Settings.java revision 029c2f4e3f9be621d7f82361decbbcdabeff9861
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import android.annotation.NonNull;
20import android.annotation.SdkConstant;
21import android.annotation.SdkConstant.SdkConstantType;
22import android.annotation.SystemApi;
23import android.annotation.TestApi;
24import android.app.ActivityThread;
25import android.app.AppOpsManager;
26import android.app.Application;
27import android.app.SearchManager;
28import android.app.WallpaperManager;
29import android.content.ComponentName;
30import android.content.ContentResolver;
31import android.content.ContentValues;
32import android.content.Context;
33import android.content.IContentProvider;
34import android.content.Intent;
35import android.content.pm.ActivityInfo;
36import android.content.pm.PackageManager;
37import android.content.pm.ResolveInfo;
38import android.content.res.Configuration;
39import android.content.res.Resources;
40import android.database.Cursor;
41import android.database.SQLException;
42import android.location.LocationManager;
43import android.net.ConnectivityManager;
44import android.net.Uri;
45import android.net.wifi.WifiManager;
46import android.os.BatteryManager;
47import android.os.Binder;
48import android.os.Bundle;
49import android.os.DropBoxManager;
50import android.os.IBinder;
51import android.os.LocaleList;
52import android.os.Process;
53import android.os.RemoteException;
54import android.os.ServiceManager;
55import android.os.UserHandle;
56import android.os.Build.VERSION_CODES;
57import android.speech.tts.TextToSpeech;
58import android.text.TextUtils;
59import android.util.AndroidException;
60import android.util.ArrayMap;
61import android.util.ArraySet;
62import android.util.Log;
63import android.util.MemoryIntArray;
64
65import com.android.internal.annotations.GuardedBy;
66import com.android.internal.util.ArrayUtils;
67import com.android.internal.widget.ILockSettings;
68
69import java.io.IOException;
70import java.net.URISyntaxException;
71import java.text.SimpleDateFormat;
72import java.util.HashMap;
73import java.util.HashSet;
74import java.util.Locale;
75import java.util.Map;
76import java.util.Set;
77
78/**
79 * The Settings provider contains global system-level device preferences.
80 */
81public final class Settings {
82
83    // Intent actions for Settings
84
85    /**
86     * Activity Action: Show system settings.
87     * <p>
88     * Input: Nothing.
89     * <p>
90     * Output: Nothing.
91     */
92    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
93    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
94
95    /**
96     * Activity Action: Show settings to allow configuration of APNs.
97     * <p>
98     * Input: Nothing.
99     * <p>
100     * Output: Nothing.
101     */
102    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
103    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
104
105    /**
106     * Activity Action: Show settings to allow configuration of current location
107     * sources.
108     * <p>
109     * In some cases, a matching Activity may not exist, so ensure you
110     * safeguard against this.
111     * <p>
112     * Input: Nothing.
113     * <p>
114     * Output: Nothing.
115     */
116    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
117    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
118            "android.settings.LOCATION_SOURCE_SETTINGS";
119
120    /**
121     * Activity Action: Show settings to allow configuration of users.
122     * <p>
123     * In some cases, a matching Activity may not exist, so ensure you
124     * safeguard against this.
125     * <p>
126     * Input: Nothing.
127     * <p>
128     * Output: Nothing.
129     * @hide
130     */
131    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
132    public static final String ACTION_USER_SETTINGS =
133            "android.settings.USER_SETTINGS";
134
135    /**
136     * Activity Action: Show settings to allow configuration of wireless controls
137     * such as Wi-Fi, Bluetooth and Mobile networks.
138     * <p>
139     * In some cases, a matching Activity may not exist, so ensure you
140     * safeguard against this.
141     * <p>
142     * Input: Nothing.
143     * <p>
144     * Output: Nothing.
145     */
146    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
147    public static final String ACTION_WIRELESS_SETTINGS =
148            "android.settings.WIRELESS_SETTINGS";
149
150    /**
151     * Activity Action: Show tether provisioning activity.
152     *
153     * <p>
154     * In some cases, a matching Activity may not exist, so ensure you
155     * safeguard against this.
156     * <p>
157     * Input: {@link ConnectivityManager.EXTRA_TETHER_TYPE} should be included to specify which type
158     * of tethering should be checked. {@link ConnectivityManager.EXTRA_PROVISION_CALLBACK} should
159     * contain a {@link ResultReceiver} which will be called back with a tether result code.
160     * <p>
161     * Output: The result of the provisioning check.
162     * {@link ConnectivityManager.TETHER_ERROR_NO_ERROR} if successful,
163     * {@link ConnectivityManager.TETHER_ERROR_PROVISION_FAILED} for failure.
164     *
165     * @hide
166     */
167    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
168    public static final String ACTION_TETHER_PROVISIONING =
169            "android.settings.TETHER_PROVISIONING_UI";
170
171    /**
172     * Activity Action: Show settings to allow entering/exiting airplane mode.
173     * <p>
174     * In some cases, a matching Activity may not exist, so ensure you
175     * safeguard against this.
176     * <p>
177     * Input: Nothing.
178     * <p>
179     * Output: Nothing.
180     */
181    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
182    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
183            "android.settings.AIRPLANE_MODE_SETTINGS";
184
185    /**
186     * Activity Action: Modify Airplane mode settings using a voice command.
187     * <p>
188     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
189     * <p>
190     * This intent MUST be started using
191     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
192     * startVoiceActivity}.
193     * <p>
194     * Note: The activity implementing this intent MUST verify that
195     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
196     * modifying the setting.
197     * <p>
198     * Input: To tell which state airplane mode should be set to, add the
199     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
200     * If the extra is not included, no changes will be made.
201     * <p>
202     * Output: Nothing.
203     */
204    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
205    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
206            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
207
208    /**
209     * Activity Action: Show settings for accessibility modules.
210     * <p>
211     * In some cases, a matching Activity may not exist, so ensure you
212     * safeguard against this.
213     * <p>
214     * Input: Nothing.
215     * <p>
216     * Output: Nothing.
217     */
218    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
219    public static final String ACTION_ACCESSIBILITY_SETTINGS =
220            "android.settings.ACCESSIBILITY_SETTINGS";
221
222    /**
223     * Activity Action: Show settings to control access to usage information.
224     * <p>
225     * In some cases, a matching Activity may not exist, so ensure you
226     * safeguard against this.
227     * <p>
228     * Input: Nothing.
229     * <p>
230     * Output: Nothing.
231     */
232    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
233    public static final String ACTION_USAGE_ACCESS_SETTINGS =
234            "android.settings.USAGE_ACCESS_SETTINGS";
235
236    /**
237     * Activity Category: Show application settings related to usage access.
238     * <p>
239     * An activity that provides a user interface for adjusting usage access related
240     * preferences for its containing application. Optional but recommended for apps that
241     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
242     * <p>
243     * The activity may define meta-data to describe what usage access is
244     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
245     * will be displayed in Settings.
246     * <p>
247     * Input: Nothing.
248     * <p>
249     * Output: Nothing.
250     */
251    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
252    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
253            "android.intent.category.USAGE_ACCESS_CONFIG";
254
255    /**
256     * Metadata key: Reason for needing usage access.
257     * <p>
258     * A key for metadata attached to an activity that receives action
259     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
260     * user as description of how the app uses usage access.
261     * <p>
262     */
263    public static final String METADATA_USAGE_ACCESS_REASON =
264            "android.settings.metadata.USAGE_ACCESS_REASON";
265
266    /**
267     * Activity Action: Show settings to allow configuration of security and
268     * location privacy.
269     * <p>
270     * In some cases, a matching Activity may not exist, so ensure you
271     * safeguard against this.
272     * <p>
273     * Input: Nothing.
274     * <p>
275     * Output: Nothing.
276     */
277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
278    public static final String ACTION_SECURITY_SETTINGS =
279            "android.settings.SECURITY_SETTINGS";
280
281    /**
282     * Activity Action: Show trusted credentials settings, opening to the user tab,
283     * to allow management of installed credentials.
284     * <p>
285     * In some cases, a matching Activity may not exist, so ensure you
286     * safeguard against this.
287     * <p>
288     * Input: Nothing.
289     * <p>
290     * Output: Nothing.
291     * @hide
292     */
293    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
294    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
295            "com.android.settings.TRUSTED_CREDENTIALS_USER";
296
297    /**
298     * Activity Action: Show dialog explaining that an installed CA cert may enable
299     * monitoring of encrypted network traffic.
300     * <p>
301     * In some cases, a matching Activity may not exist, so ensure you
302     * safeguard against this. Add {@link #EXTRA_NUMBER_OF_CERTIFICATES} extra to indicate the
303     * number of certificates.
304     * <p>
305     * Input: Nothing.
306     * <p>
307     * Output: Nothing.
308     * @hide
309     */
310    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
311    public static final String ACTION_MONITORING_CERT_INFO =
312            "com.android.settings.MONITORING_CERT_INFO";
313
314    /**
315     * Activity Action: Show settings to allow configuration of privacy options.
316     * <p>
317     * In some cases, a matching Activity may not exist, so ensure you
318     * safeguard against this.
319     * <p>
320     * Input: Nothing.
321     * <p>
322     * Output: Nothing.
323     */
324    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
325    public static final String ACTION_PRIVACY_SETTINGS =
326            "android.settings.PRIVACY_SETTINGS";
327
328    /**
329     * Activity Action: Show settings to allow configuration of VPN.
330     * <p>
331     * In some cases, a matching Activity may not exist, so ensure you
332     * safeguard against this.
333     * <p>
334     * Input: Nothing.
335     * <p>
336     * Output: Nothing.
337     */
338    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
339    public static final String ACTION_VPN_SETTINGS =
340            "android.settings.VPN_SETTINGS";
341
342    /**
343     * Activity Action: Show settings to allow configuration of Wi-Fi.
344     * <p>
345     * In some cases, a matching Activity may not exist, so ensure you
346     * safeguard against this.
347     * <p>
348     * Input: Nothing.
349     * <p>
350     * Output: Nothing.
351
352     */
353    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
354    public static final String ACTION_WIFI_SETTINGS =
355            "android.settings.WIFI_SETTINGS";
356
357    /**
358     * Activity Action: Show settings to allow configuration of a static IP
359     * address for Wi-Fi.
360     * <p>
361     * In some cases, a matching Activity may not exist, so ensure you safeguard
362     * against this.
363     * <p>
364     * Input: Nothing.
365     * <p>
366     * Output: Nothing.
367     */
368    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
369    public static final String ACTION_WIFI_IP_SETTINGS =
370            "android.settings.WIFI_IP_SETTINGS";
371
372    /**
373     * Activity Action: Show settings to allow configuration of Bluetooth.
374     * <p>
375     * In some cases, a matching Activity may not exist, so ensure you
376     * safeguard against this.
377     * <p>
378     * Input: Nothing.
379     * <p>
380     * Output: Nothing.
381     */
382    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
383    public static final String ACTION_BLUETOOTH_SETTINGS =
384            "android.settings.BLUETOOTH_SETTINGS";
385
386    /**
387     * Activity Action: Show settings to allow configuration of cast endpoints.
388     * <p>
389     * In some cases, a matching Activity may not exist, so ensure you
390     * safeguard against this.
391     * <p>
392     * Input: Nothing.
393     * <p>
394     * Output: Nothing.
395     */
396    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
397    public static final String ACTION_CAST_SETTINGS =
398            "android.settings.CAST_SETTINGS";
399
400    /**
401     * Activity Action: Show settings to allow configuration of date and time.
402     * <p>
403     * In some cases, a matching Activity may not exist, so ensure you
404     * safeguard against this.
405     * <p>
406     * Input: Nothing.
407     * <p>
408     * Output: Nothing.
409     */
410    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
411    public static final String ACTION_DATE_SETTINGS =
412            "android.settings.DATE_SETTINGS";
413
414    /**
415     * Activity Action: Show settings to allow configuration of sound and volume.
416     * <p>
417     * In some cases, a matching Activity may not exist, so ensure you
418     * safeguard against this.
419     * <p>
420     * Input: Nothing.
421     * <p>
422     * Output: Nothing.
423     */
424    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
425    public static final String ACTION_SOUND_SETTINGS =
426            "android.settings.SOUND_SETTINGS";
427
428    /**
429     * Activity Action: Show settings to allow configuration of display.
430     * <p>
431     * In some cases, a matching Activity may not exist, so ensure you
432     * safeguard against this.
433     * <p>
434     * Input: Nothing.
435     * <p>
436     * Output: Nothing.
437     */
438    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
439    public static final String ACTION_DISPLAY_SETTINGS =
440            "android.settings.DISPLAY_SETTINGS";
441
442    /**
443     * Activity Action: Show settings to allow configuration of locale.
444     * <p>
445     * In some cases, a matching Activity may not exist, so ensure you
446     * safeguard against this.
447     * <p>
448     * Input: Nothing.
449     * <p>
450     * Output: Nothing.
451     */
452    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
453    public static final String ACTION_LOCALE_SETTINGS =
454            "android.settings.LOCALE_SETTINGS";
455
456    /**
457     * Activity Action: Show settings to configure input methods, in particular
458     * allowing the user to enable input methods.
459     * <p>
460     * In some cases, a matching Activity may not exist, so ensure you
461     * safeguard against this.
462     * <p>
463     * Input: Nothing.
464     * <p>
465     * Output: Nothing.
466     */
467    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
468    public static final String ACTION_VOICE_INPUT_SETTINGS =
469            "android.settings.VOICE_INPUT_SETTINGS";
470
471    /**
472     * Activity Action: Show settings to configure input methods, in particular
473     * allowing the user to enable input methods.
474     * <p>
475     * In some cases, a matching Activity may not exist, so ensure you
476     * safeguard against this.
477     * <p>
478     * Input: Nothing.
479     * <p>
480     * Output: Nothing.
481     */
482    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
483    public static final String ACTION_INPUT_METHOD_SETTINGS =
484            "android.settings.INPUT_METHOD_SETTINGS";
485
486    /**
487     * Activity Action: Show settings to enable/disable input method subtypes.
488     * <p>
489     * In some cases, a matching Activity may not exist, so ensure you
490     * safeguard against this.
491     * <p>
492     * To tell which input method's subtypes are displayed in the settings, add
493     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
494     * If there is no extra in this Intent, subtypes from all installed input methods
495     * will be displayed in the settings.
496     *
497     * @see android.view.inputmethod.InputMethodInfo#getId
498     * <p>
499     * Input: Nothing.
500     * <p>
501     * Output: Nothing.
502     */
503    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
504    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
505            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
506
507    /**
508     * Activity Action: Show a dialog to select input method.
509     * <p>
510     * In some cases, a matching Activity may not exist, so ensure you
511     * safeguard against this.
512     * <p>
513     * Input: Nothing.
514     * <p>
515     * Output: Nothing.
516     * @hide
517     */
518    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
519    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
520            "android.settings.SHOW_INPUT_METHOD_PICKER";
521
522    /**
523     * Activity Action: Show settings to manage the user input dictionary.
524     * <p>
525     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
526     * it is guaranteed there will always be an appropriate implementation for this Intent action.
527     * In prior releases of the platform this was optional, so ensure you safeguard against it.
528     * <p>
529     * Input: Nothing.
530     * <p>
531     * Output: Nothing.
532     */
533    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
534    public static final String ACTION_USER_DICTIONARY_SETTINGS =
535            "android.settings.USER_DICTIONARY_SETTINGS";
536
537    /**
538     * Activity Action: Show settings to configure the hardware keyboard.
539     * <p>
540     * In some cases, a matching Activity may not exist, so ensure you
541     * safeguard against this.
542     * <p>
543     * Input: Nothing.
544     * <p>
545     * Output: Nothing.
546     */
547    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
548    public static final String ACTION_HARD_KEYBOARD_SETTINGS =
549            "android.settings.HARD_KEYBOARD_SETTINGS";
550
551    /**
552     * Activity Action: Adds a word to the user dictionary.
553     * <p>
554     * In some cases, a matching Activity may not exist, so ensure you
555     * safeguard against this.
556     * <p>
557     * Input: An extra with key <code>word</code> that contains the word
558     * that should be added to the dictionary.
559     * <p>
560     * Output: Nothing.
561     *
562     * @hide
563     */
564    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
565    public static final String ACTION_USER_DICTIONARY_INSERT =
566            "com.android.settings.USER_DICTIONARY_INSERT";
567
568    /**
569     * Activity Action: Show settings to allow configuration of application-related settings.
570     * <p>
571     * In some cases, a matching Activity may not exist, so ensure you
572     * safeguard against this.
573     * <p>
574     * Input: Nothing.
575     * <p>
576     * Output: Nothing.
577     */
578    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
579    public static final String ACTION_APPLICATION_SETTINGS =
580            "android.settings.APPLICATION_SETTINGS";
581
582    /**
583     * Activity Action: Show settings to allow configuration of application
584     * development-related settings.  As of
585     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
586     * a required part of the platform.
587     * <p>
588     * Input: Nothing.
589     * <p>
590     * Output: Nothing.
591     */
592    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
593    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
594            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
595
596    /**
597     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
598     * <p>
599     * In some cases, a matching Activity may not exist, so ensure you
600     * safeguard against this.
601     * <p>
602     * Input: Nothing.
603     * <p>
604     * Output: Nothing.
605     */
606    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
607    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
608            "android.settings.QUICK_LAUNCH_SETTINGS";
609
610    /**
611     * Activity Action: Show settings to manage installed applications.
612     * <p>
613     * In some cases, a matching Activity may not exist, so ensure you
614     * safeguard against this.
615     * <p>
616     * Input: Nothing.
617     * <p>
618     * Output: Nothing.
619     */
620    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
621    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
622            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
623
624    /**
625     * Activity Action: Show settings to manage all applications.
626     * <p>
627     * In some cases, a matching Activity may not exist, so ensure you
628     * safeguard against this.
629     * <p>
630     * Input: Nothing.
631     * <p>
632     * Output: Nothing.
633     */
634    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
635    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
636            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
637
638    /**
639     * Activity Action: Show screen for controlling which apps can draw on top of other apps.
640     * <p>
641     * In some cases, a matching Activity may not exist, so ensure you
642     * safeguard against this.
643     * <p>
644     * Input: Optionally, the Intent's data URI can specify the application package name to
645     * directly invoke the management GUI specific to the package name. For example
646     * "package:com.my.app".
647     * <p>
648     * Output: Nothing.
649     */
650    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
651    public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
652            "android.settings.action.MANAGE_OVERLAY_PERMISSION";
653
654    /**
655     * Activity Action: Show screen for controlling which apps are allowed to write/modify
656     * system settings.
657     * <p>
658     * In some cases, a matching Activity may not exist, so ensure you
659     * safeguard against this.
660     * <p>
661     * Input: Optionally, the Intent's data URI can specify the application package name to
662     * directly invoke the management GUI specific to the package name. For example
663     * "package:com.my.app".
664     * <p>
665     * Output: Nothing.
666     */
667    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
668    public static final String ACTION_MANAGE_WRITE_SETTINGS =
669            "android.settings.action.MANAGE_WRITE_SETTINGS";
670
671    /**
672     * Activity Action: Show screen of details about a particular application.
673     * <p>
674     * In some cases, a matching Activity may not exist, so ensure you
675     * safeguard against this.
676     * <p>
677     * Input: The Intent's data URI specifies the application package name
678     * to be shown, with the "package" scheme.  That is "package:com.my.app".
679     * <p>
680     * Output: Nothing.
681     */
682    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
683    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
684            "android.settings.APPLICATION_DETAILS_SETTINGS";
685
686    /**
687     * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
688     * <p>
689     * Input: Nothing.
690     * <p>
691     * Output: Nothing.
692     * <p>
693     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
694     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
695     * already ignoring optimizations.  You can use
696     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
697     * on this list.
698     */
699    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
700    public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
701            "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
702
703    /**
704     * Activity Action: Ask the user to allow an app to ignore battery optimizations (that is,
705     * put them on the whitelist of apps shown by
706     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
707     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
708     * permission.
709     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
710     * provided by the platform for applications to operate correctly in the various power
711     * saving modes.  This is only for unusual applications that need to deeply control their own
712     * execution, at the potential expense of the user's battery life.  Note that these applications
713     * greatly run the risk of showing to the user as high power consumers on their device.</p>
714     * <p>
715     * Input: The Intent's data URI must specify the application package name
716     * to be shown, with the "package" scheme.  That is "package:com.my.app".
717     * <p>
718     * Output: Nothing.
719     * <p>
720     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
721     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
722     * already ignoring optimizations.
723     */
724    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
725    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
726            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
727
728    /**
729     * Activity Action: Show screen for controlling background data
730     * restrictions for a particular application.
731     * <p>
732     * Input: Intent's data URI set with an application name, using the
733     * "package" schema (like "package:com.my.app").
734     *
735     * <p>
736     * Output: Nothing.
737     * <p>
738     * Applications can also use {@link android.net.ConnectivityManager#getRestrictBackgroundStatus
739     * ConnectivityManager#getRestrictBackgroundStatus()} to determine the
740     * status of the background data restrictions for them.
741     */
742    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
743    public static final String ACTION_IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS =
744            "android.settings.IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS";
745
746    /**
747     * @hide
748     * Activity Action: Show the "app ops" settings screen.
749     * <p>
750     * Input: Nothing.
751     * <p>
752     * Output: Nothing.
753     */
754    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
755    public static final String ACTION_APP_OPS_SETTINGS =
756            "android.settings.APP_OPS_SETTINGS";
757
758    /**
759     * Activity Action: Show settings for system update functionality.
760     * <p>
761     * In some cases, a matching Activity may not exist, so ensure you
762     * safeguard against this.
763     * <p>
764     * Input: Nothing.
765     * <p>
766     * Output: Nothing.
767     *
768     * @hide
769     */
770    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
771    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
772            "android.settings.SYSTEM_UPDATE_SETTINGS";
773
774    /**
775     * Activity Action: Show settings to allow configuration of sync settings.
776     * <p>
777     * In some cases, a matching Activity may not exist, so ensure you
778     * safeguard against this.
779     * <p>
780     * The account types available to add via the add account button may be restricted by adding an
781     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
782     * authorities. Only account types which can sync with that content provider will be offered to
783     * the user.
784     * <p>
785     * Input: Nothing.
786     * <p>
787     * Output: Nothing.
788     */
789    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
790    public static final String ACTION_SYNC_SETTINGS =
791            "android.settings.SYNC_SETTINGS";
792
793    /**
794     * Activity Action: Show add account screen for creating a new account.
795     * <p>
796     * In some cases, a matching Activity may not exist, so ensure you
797     * safeguard against this.
798     * <p>
799     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
800     * extra to the Intent with one or more syncable content provider's authorities.  Only account
801     * types which can sync with that content provider will be offered to the user.
802     * <p>
803     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
804     * Intent with one or more account types.
805     * <p>
806     * Input: Nothing.
807     * <p>
808     * Output: Nothing.
809     */
810    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
811    public static final String ACTION_ADD_ACCOUNT =
812            "android.settings.ADD_ACCOUNT_SETTINGS";
813
814    /**
815     * Activity Action: Show settings for selecting the network operator.
816     * <p>
817     * In some cases, a matching Activity may not exist, so ensure you
818     * safeguard against this.
819     * <p>
820     * Input: Nothing.
821     * <p>
822     * Output: Nothing.
823     */
824    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
825    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
826            "android.settings.NETWORK_OPERATOR_SETTINGS";
827
828    /**
829     * Activity Action: Show settings for selection of 2G/3G.
830     * <p>
831     * In some cases, a matching Activity may not exist, so ensure you
832     * safeguard against this.
833     * <p>
834     * Input: Nothing.
835     * <p>
836     * Output: Nothing.
837     */
838    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
839    public static final String ACTION_DATA_ROAMING_SETTINGS =
840            "android.settings.DATA_ROAMING_SETTINGS";
841
842    /**
843     * Activity Action: Show settings for internal storage.
844     * <p>
845     * In some cases, a matching Activity may not exist, so ensure you
846     * safeguard against this.
847     * <p>
848     * Input: Nothing.
849     * <p>
850     * Output: Nothing.
851     */
852    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
853    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
854            "android.settings.INTERNAL_STORAGE_SETTINGS";
855    /**
856     * Activity Action: Show settings for memory card storage.
857     * <p>
858     * In some cases, a matching Activity may not exist, so ensure you
859     * safeguard against this.
860     * <p>
861     * Input: Nothing.
862     * <p>
863     * Output: Nothing.
864     */
865    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
866    public static final String ACTION_MEMORY_CARD_SETTINGS =
867            "android.settings.MEMORY_CARD_SETTINGS";
868
869    /**
870     * Activity Action: Show settings for global search.
871     * <p>
872     * In some cases, a matching Activity may not exist, so ensure you
873     * safeguard against this.
874     * <p>
875     * Input: Nothing.
876     * <p>
877     * Output: Nothing
878     */
879    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
880    public static final String ACTION_SEARCH_SETTINGS =
881        "android.search.action.SEARCH_SETTINGS";
882
883    /**
884     * Activity Action: Show general device information settings (serial
885     * number, software version, phone number, etc.).
886     * <p>
887     * In some cases, a matching Activity may not exist, so ensure you
888     * safeguard against this.
889     * <p>
890     * Input: Nothing.
891     * <p>
892     * Output: Nothing
893     */
894    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
895    public static final String ACTION_DEVICE_INFO_SETTINGS =
896        "android.settings.DEVICE_INFO_SETTINGS";
897
898    /**
899     * Activity Action: Show NFC settings.
900     * <p>
901     * This shows UI that allows NFC to be turned on or off.
902     * <p>
903     * In some cases, a matching Activity may not exist, so ensure you
904     * safeguard against this.
905     * <p>
906     * Input: Nothing.
907     * <p>
908     * Output: Nothing
909     * @see android.nfc.NfcAdapter#isEnabled()
910     */
911    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
912    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
913
914    /**
915     * Activity Action: Show NFC Sharing settings.
916     * <p>
917     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
918     * off.
919     * <p>
920     * In some cases, a matching Activity may not exist, so ensure you
921     * safeguard against this.
922     * <p>
923     * Input: Nothing.
924     * <p>
925     * Output: Nothing
926     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
927     */
928    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
929    public static final String ACTION_NFCSHARING_SETTINGS =
930        "android.settings.NFCSHARING_SETTINGS";
931
932    /**
933     * Activity Action: Show NFC Tap & Pay settings
934     * <p>
935     * This shows UI that allows the user to configure Tap&Pay
936     * settings.
937     * <p>
938     * In some cases, a matching Activity may not exist, so ensure you
939     * safeguard against this.
940     * <p>
941     * Input: Nothing.
942     * <p>
943     * Output: Nothing
944     */
945    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
946    public static final String ACTION_NFC_PAYMENT_SETTINGS =
947        "android.settings.NFC_PAYMENT_SETTINGS";
948
949    /**
950     * Activity Action: Show Daydream settings.
951     * <p>
952     * In some cases, a matching Activity may not exist, so ensure you
953     * safeguard against this.
954     * <p>
955     * Input: Nothing.
956     * <p>
957     * Output: Nothing.
958     * @see android.service.dreams.DreamService
959     */
960    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
961    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
962
963    /**
964     * Activity Action: Show Notification listener settings.
965     * <p>
966     * In some cases, a matching Activity may not exist, so ensure you
967     * safeguard against this.
968     * <p>
969     * Input: Nothing.
970     * <p>
971     * Output: Nothing.
972     * @see android.service.notification.NotificationListenerService
973     */
974    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
975    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
976            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
977
978    /**
979     * Activity Action: Show Do Not Disturb access settings.
980     * <p>
981     * Users can grant and deny access to Do Not Disturb configuration from here.
982     * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
983     * details.
984     * <p>
985     * Input: Nothing.
986     * <p>
987     * Output: Nothing.
988     */
989    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
990    public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
991            = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";
992
993    /**
994     * @hide
995     */
996    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
997    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
998            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
999
1000    /**
1001     * Activity Action: Show settings for video captioning.
1002     * <p>
1003     * In some cases, a matching Activity may not exist, so ensure you safeguard
1004     * against this.
1005     * <p>
1006     * Input: Nothing.
1007     * <p>
1008     * Output: Nothing.
1009     */
1010    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1011    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
1012
1013    /**
1014     * Activity Action: Show the top level print settings.
1015     * <p>
1016     * In some cases, a matching Activity may not exist, so ensure you
1017     * safeguard against this.
1018     * <p>
1019     * Input: Nothing.
1020     * <p>
1021     * Output: Nothing.
1022     */
1023    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1024    public static final String ACTION_PRINT_SETTINGS =
1025            "android.settings.ACTION_PRINT_SETTINGS";
1026
1027    /**
1028     * Activity Action: Show Zen Mode configuration settings.
1029     *
1030     * @hide
1031     */
1032    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1033    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
1034
1035    /**
1036     * Activity Action: Show Zen Mode priority configuration settings.
1037     *
1038     * @hide
1039     */
1040    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1041    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
1042            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
1043
1044    /**
1045     * Activity Action: Show Zen Mode automation configuration settings.
1046     *
1047     * @hide
1048     */
1049    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1050    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
1051            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
1052
1053    /**
1054     * Activity Action: Modify do not disturb mode settings.
1055     * <p>
1056     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1057     * <p>
1058     * This intent MUST be started using
1059     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1060     * startVoiceActivity}.
1061     * <p>
1062     * Note: The Activity implementing this intent MUST verify that
1063     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
1064     * returns true before modifying the setting.
1065     * <p>
1066     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
1067     * how long the user wishes to avoid interruptions for. The optional
1068     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
1069     * enabling or disabling do not disturb mode. If either extra is not included, the
1070     * user maybe asked to provide the value.
1071     * <p>
1072     * Output: Nothing.
1073     */
1074    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1075    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
1076            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
1077
1078    /**
1079     * Activity Action: Show Zen Mode schedule rule configuration settings.
1080     *
1081     * @hide
1082     */
1083    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1084    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
1085            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
1086
1087    /**
1088     * Activity Action: Show Zen Mode event rule configuration settings.
1089     *
1090     * @hide
1091     */
1092    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1093    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
1094            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
1095
1096    /**
1097     * Activity Action: Show Zen Mode external rule configuration settings.
1098     *
1099     * @hide
1100     */
1101    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1102    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
1103            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
1104
1105    /**
1106     * Activity Action: Show the regulatory information screen for the device.
1107     * <p>
1108     * In some cases, a matching Activity may not exist, so ensure you safeguard
1109     * against this.
1110     * <p>
1111     * Input: Nothing.
1112     * <p>
1113     * Output: Nothing.
1114     */
1115    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1116    public static final String
1117            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
1118
1119    /**
1120     * Activity Action: Show Device Name Settings.
1121     * <p>
1122     * In some cases, a matching Activity may not exist, so ensure you safeguard
1123     * against this.
1124     *
1125     * @hide
1126     */
1127    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1128    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
1129
1130    /**
1131     * Activity Action: Show pairing settings.
1132     * <p>
1133     * In some cases, a matching Activity may not exist, so ensure you safeguard
1134     * against this.
1135     *
1136     * @hide
1137     */
1138    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1139    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
1140
1141    /**
1142     * Activity Action: Show battery saver settings.
1143     * <p>
1144     * In some cases, a matching Activity may not exist, so ensure you safeguard
1145     * against this.
1146     */
1147    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1148    public static final String ACTION_BATTERY_SAVER_SETTINGS
1149            = "android.settings.BATTERY_SAVER_SETTINGS";
1150
1151    /**
1152     * Activity Action: Modify Battery Saver mode setting using a voice command.
1153     * <p>
1154     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1155     * <p>
1156     * This intent MUST be started using
1157     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1158     * startVoiceActivity}.
1159     * <p>
1160     * Note: The activity implementing this intent MUST verify that
1161     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
1162     * modifying the setting.
1163     * <p>
1164     * Input: To tell which state batter saver mode should be set to, add the
1165     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
1166     * If the extra is not included, no changes will be made.
1167     * <p>
1168     * Output: Nothing.
1169     */
1170    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1171    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1172            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1173
1174    /**
1175     * Activity Action: Show Home selection settings. If there are multiple activities
1176     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1177     * to pick your preferred activity.
1178     */
1179    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1180    public static final String ACTION_HOME_SETTINGS
1181            = "android.settings.HOME_SETTINGS";
1182
1183
1184
1185    /**
1186     * Activity Action: Show Default apps settings.
1187     * <p>
1188     * In some cases, a matching Activity may not exist, so ensure you
1189     * safeguard against this.
1190     * <p>
1191     * Input: Nothing.
1192     * <p>
1193     * Output: Nothing.
1194     */
1195    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1196    public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
1197            = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
1198
1199    /**
1200     * Activity Action: Show notification settings.
1201     *
1202     * @hide
1203     */
1204    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1205    public static final String ACTION_NOTIFICATION_SETTINGS
1206            = "android.settings.NOTIFICATION_SETTINGS";
1207
1208    /**
1209     * Activity Action: Show notification settings for a single app.
1210     *
1211     * @hide
1212     */
1213    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1214    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1215            = "android.settings.APP_NOTIFICATION_SETTINGS";
1216
1217    /**
1218     * Activity Action: Show notification redaction settings.
1219     *
1220     * @hide
1221     */
1222    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1223    public static final String ACTION_APP_NOTIFICATION_REDACTION
1224            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1225
1226    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1227    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1228
1229    /**
1230     * Activity Action: Show a dialog with disabled by policy message.
1231     * <p> If an user action is disabled by policy, this dialog can be triggered to let
1232     * the user know about this.
1233     * <p>
1234     * Input: Nothing.
1235     * <p>
1236     * Output: Nothing.
1237     *
1238     * @hide
1239     */
1240    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1241    public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
1242            = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";
1243
1244    /**
1245     * Activity Action: Show a dialog for remote bugreport flow.
1246     * <p>
1247     * Input: Nothing.
1248     * <p>
1249     * Output: Nothing.
1250     *
1251     * @hide
1252     */
1253    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1254    public static final String ACTION_SHOW_REMOTE_BUGREPORT_DIALOG
1255            = "android.settings.SHOW_REMOTE_BUGREPORT_DIALOG";
1256
1257    /**
1258     * Activity Action: Show VR listener settings.
1259     * <p>
1260     * Input: Nothing.
1261     * <p>
1262     * Output: Nothing.
1263     *
1264     * @see android.service.vr.VrListenerService
1265     */
1266    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1267    public static final String ACTION_VR_LISTENER_SETTINGS
1268            = "android.settings.VR_LISTENER_SETTINGS";
1269
1270    /**
1271     * Activity Action: Allows user to select current webview implementation.
1272     * <p>
1273     * Input: Nothing.
1274     * <p>
1275     * Output: Nothing.
1276     */
1277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1278    public static final String ACTION_WEBVIEW_SETTINGS = "android.settings.WEBVIEW_SETTINGS";
1279
1280    // End of Intent actions for Settings
1281
1282    /**
1283     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1284     */
1285    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1286
1287    /**
1288     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1289     */
1290    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1291
1292    /**
1293     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1294     */
1295    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1296
1297    /**
1298     * @hide - Specifies that the caller of the fast-path call()-based flow tracks
1299     * the settings generation in order to cache values locally. If this key is
1300     * mapped to a <code>null</code> string extra in the request bundle, the response
1301     * bundle will contain the same key mapped to a parcelable extra which would be
1302     * an {@link android.util.MemoryIntArray}. The response will also contain an
1303     * integer mapped to the {@link #CALL_METHOD_GENERATION_INDEX_KEY} which is the
1304     * index in the array clients should use to lookup the generation. For efficiency
1305     * the caller should request the generation tracking memory array only if it
1306     * doesn't already have it.
1307     *
1308     * @see #CALL_METHOD_GENERATION_INDEX_KEY
1309     */
1310    public static final String CALL_METHOD_TRACK_GENERATION_KEY = "_track_generation";
1311
1312    /**
1313     * @hide Key with the location in the {@link android.util.MemoryIntArray} where
1314     * to look up the generation id of the backing table. The value is an integer.
1315     *
1316     * @see #CALL_METHOD_TRACK_GENERATION_KEY
1317     */
1318    public static final String CALL_METHOD_GENERATION_INDEX_KEY = "_generation_index";
1319
1320    /**
1321     * @hide Key with the settings table generation. The value is an integer.
1322     *
1323     * @see #CALL_METHOD_TRACK_GENERATION_KEY
1324     */
1325    public static final String CALL_METHOD_GENERATION_KEY = "_generation";
1326
1327    /**
1328     * @hide - User handle argument extra to the fast-path call()-based requests
1329     */
1330    public static final String CALL_METHOD_USER_KEY = "_user";
1331
1332    /** @hide - Private call() method to write to 'system' table */
1333    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1334
1335    /** @hide - Private call() method to write to 'secure' table */
1336    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1337
1338    /** @hide - Private call() method to write to 'global' table */
1339    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1340
1341    /**
1342     * Activity Extra: Limit available options in launched activity based on the given authority.
1343     * <p>
1344     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1345     * provider's authorities as a String[]. This field is used by some intents to alter the
1346     * behavior of the called activity.
1347     * <p>
1348     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1349     * on the authority given.
1350     */
1351    public static final String EXTRA_AUTHORITIES = "authorities";
1352
1353    /**
1354     * Activity Extra: Limit available options in launched activity based on the given account
1355     * types.
1356     * <p>
1357     * This can be passed as an extra field in an Activity Intent with one or more account types
1358     * as a String[]. This field is used by some intents to alter the behavior of the called
1359     * activity.
1360     * <p>
1361     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1362     * list.
1363     */
1364    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1365
1366    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1367
1368    /**
1369     * Activity Extra: The device identifier to act upon.
1370     * <p>
1371     * This can be passed as an extra field in an Activity Intent with a single
1372     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1373     * settings for the given device.
1374     * <p>
1375     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1376     * dialog for the given device.
1377     * @hide
1378     */
1379    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1380
1381    /**
1382     * Activity Extra: Enable or disable Airplane Mode.
1383     * <p>
1384     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1385     * intent as a boolean to indicate if it should be enabled.
1386     */
1387    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1388
1389    /**
1390     * Activity Extra: Enable or disable Battery saver mode.
1391     * <p>
1392     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1393     * intent as a boolean to indicate if it should be enabled.
1394     */
1395    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1396            "android.settings.extra.battery_saver_mode_enabled";
1397
1398    /**
1399     * Activity Extra: Enable or disable Do Not Disturb mode.
1400     * <p>
1401     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1402     * intent as a boolean to indicate if it should be enabled.
1403     */
1404    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1405            "android.settings.extra.do_not_disturb_mode_enabled";
1406
1407    /**
1408     * Activity Extra: How many minutes to enable do not disturb mode for.
1409     * <p>
1410     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1411     * intent to indicate how long do not disturb mode should be enabled for.
1412     */
1413    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1414            "android.settings.extra.do_not_disturb_mode_minutes";
1415
1416    /**
1417     * Activity Extra: Number of certificates
1418     * <p>
1419     * This can be passed as an extra field to the {@link #ACTION_MONITORING_CERT_INFO}
1420     * intent to indicate the number of certificates
1421     * @hide
1422     */
1423    public static final String EXTRA_NUMBER_OF_CERTIFICATES =
1424            "android.settings.extra.number_of_certificates";
1425
1426    private static final String JID_RESOURCE_PREFIX = "android";
1427
1428    public static final String AUTHORITY = "settings";
1429
1430    private static final String TAG = "Settings";
1431    private static final boolean LOCAL_LOGV = false;
1432
1433    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1434    // with a partial enable/disable state in multi-threaded situations.
1435    private static final Object mLocationSettingsLock = new Object();
1436
1437    public static class SettingNotFoundException extends AndroidException {
1438        public SettingNotFoundException(String msg) {
1439            super(msg);
1440        }
1441    }
1442
1443    /**
1444     * Common base for tables of name/value settings.
1445     */
1446    public static class NameValueTable implements BaseColumns {
1447        public static final String NAME = "name";
1448        public static final String VALUE = "value";
1449
1450        protected static boolean putString(ContentResolver resolver, Uri uri,
1451                String name, String value) {
1452            // The database will take care of replacing duplicates.
1453            try {
1454                ContentValues values = new ContentValues();
1455                values.put(NAME, name);
1456                values.put(VALUE, value);
1457                resolver.insert(uri, values);
1458                return true;
1459            } catch (SQLException e) {
1460                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1461                return false;
1462            }
1463        }
1464
1465        public static Uri getUriFor(Uri uri, String name) {
1466            return Uri.withAppendedPath(uri, name);
1467        }
1468    }
1469
1470    private static final class GenerationTracker {
1471        private final MemoryIntArray mArray;
1472        private final Runnable mErrorHandler;
1473        private final int mIndex;
1474        private int mCurrentGeneration;
1475
1476        public GenerationTracker(@NonNull MemoryIntArray array, int index,
1477                int generation, Runnable errorHandler) {
1478            mArray = array;
1479            mIndex = index;
1480            mErrorHandler = errorHandler;
1481            mCurrentGeneration = generation;
1482        }
1483
1484        public boolean isGenerationChanged() {
1485            final int currentGeneration = readCurrentGeneration();
1486            if (currentGeneration >= 0) {
1487                if (currentGeneration == mCurrentGeneration) {
1488                    return false;
1489                }
1490                mCurrentGeneration = currentGeneration;
1491            }
1492            return true;
1493        }
1494
1495        private int readCurrentGeneration() {
1496            try {
1497                return mArray.get(mIndex);
1498            } catch (IOException e) {
1499                Log.e(TAG, "Error getting current generation", e);
1500                if (mErrorHandler != null) {
1501                    mErrorHandler.run();
1502                }
1503            }
1504            return -1;
1505        }
1506
1507        public void destroy() {
1508            try {
1509                mArray.close();
1510            } catch (IOException e) {
1511                Log.e(TAG, "Error closing backing array", e);
1512                if (mErrorHandler != null) {
1513                    mErrorHandler.run();
1514                }
1515            }
1516        }
1517    }
1518
1519    // Thread-safe.
1520    private static class NameValueCache {
1521        private static final boolean DEBUG = false;
1522
1523        private final Uri mUri;
1524
1525        private static final String[] SELECT_VALUE =
1526            new String[] { Settings.NameValueTable.VALUE };
1527        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1528
1529        // Must synchronize on 'this' to access mValues and mValuesVersion.
1530        private final HashMap<String, String> mValues = new HashMap<String, String>();
1531
1532        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1533        private IContentProvider mContentProvider = null;
1534
1535        // The method we'll call (or null, to not use) on the provider
1536        // for the fast path of retrieving settings.
1537        private final String mCallGetCommand;
1538        private final String mCallSetCommand;
1539
1540        @GuardedBy("this")
1541        private GenerationTracker mGenerationTracker;
1542
1543        public NameValueCache(Uri uri, String getCommand, String setCommand) {
1544            mUri = uri;
1545            mCallGetCommand = getCommand;
1546            mCallSetCommand = setCommand;
1547        }
1548
1549        private IContentProvider lazyGetProvider(ContentResolver cr) {
1550            IContentProvider cp = null;
1551            synchronized (NameValueCache.this) {
1552                cp = mContentProvider;
1553                if (cp == null) {
1554                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1555                }
1556            }
1557            return cp;
1558        }
1559
1560        public boolean putStringForUser(ContentResolver cr, String name, String value,
1561                final int userHandle) {
1562            try {
1563                Bundle arg = new Bundle();
1564                arg.putString(Settings.NameValueTable.VALUE, value);
1565                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1566                IContentProvider cp = lazyGetProvider(cr);
1567                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1568            } catch (RemoteException e) {
1569                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1570                return false;
1571            }
1572            return true;
1573        }
1574
1575        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1576            final boolean isSelf = (userHandle == UserHandle.myUserId());
1577            if (isSelf) {
1578                synchronized (NameValueCache.this) {
1579                    if (mGenerationTracker != null) {
1580                        if (mGenerationTracker.isGenerationChanged()) {
1581                            if (DEBUG) {
1582                                Log.i(TAG, "Generation changed for type:"
1583                                        + mUri.getPath() + " in package:"
1584                                        + cr.getPackageName() +" and user:" + userHandle);
1585                            }
1586                            mValues.clear();
1587                        } else if (mValues.containsKey(name)) {
1588                            return mValues.get(name);
1589                        }
1590                    }
1591                }
1592            } else {
1593                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1594                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1595            }
1596
1597            IContentProvider cp = lazyGetProvider(cr);
1598
1599            // Try the fast path first, not using query().  If this
1600            // fails (alternate Settings provider that doesn't support
1601            // this interface?) then we fall back to the query/table
1602            // interface.
1603            if (mCallGetCommand != null) {
1604                try {
1605                    Bundle args = null;
1606                    if (!isSelf) {
1607                        args = new Bundle();
1608                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1609                    }
1610                    boolean needsGenerationTracker = false;
1611                    synchronized (NameValueCache.this) {
1612                        if (isSelf && mGenerationTracker == null) {
1613                            needsGenerationTracker = true;
1614                            if (args == null) {
1615                                args = new Bundle();
1616                            }
1617                            args.putString(CALL_METHOD_TRACK_GENERATION_KEY, null);
1618                            if (DEBUG) {
1619                                Log.i(TAG, "Requested generation tracker for type: "+ mUri.getPath()
1620                                        + " in package:" + cr.getPackageName() +" and user:"
1621                                        + userHandle);
1622                            }
1623                        }
1624                    }
1625                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1626                    if (b != null) {
1627                        String value = b.getString(Settings.NameValueTable.VALUE);
1628                        // Don't update our cache for reads of other users' data
1629                        if (isSelf) {
1630                            synchronized (NameValueCache.this) {
1631                                if (needsGenerationTracker) {
1632                                    MemoryIntArray array = b.getParcelable(
1633                                            CALL_METHOD_TRACK_GENERATION_KEY);
1634                                    final int index = b.getInt(
1635                                            CALL_METHOD_GENERATION_INDEX_KEY, -1);
1636                                    if (array != null && index >= 0) {
1637                                        final int generation = b.getInt(
1638                                                CALL_METHOD_GENERATION_KEY, 0);
1639                                        if (DEBUG) {
1640                                            Log.i(TAG, "Received generation tracker for type:"
1641                                                    + mUri.getPath() + " in package:"
1642                                                    + cr.getPackageName() + " and user:"
1643                                                    + userHandle + " with index:" + index);
1644                                        }
1645                                        mGenerationTracker = new GenerationTracker(array, index,
1646                                                generation, () -> {
1647                                            synchronized (NameValueCache.this) {
1648                                                Log.e(TAG, "Error accessing generation"
1649                                                        + " tracker - removing");
1650                                                if (mGenerationTracker != null) {
1651                                                    GenerationTracker generationTracker =
1652                                                            mGenerationTracker;
1653                                                    mGenerationTracker = null;
1654                                                    generationTracker.destroy();
1655                                                    mValues.clear();
1656                                                }
1657                                            }
1658                                        });
1659                                    }
1660                                }
1661                                mValues.put(name, value);
1662                            }
1663                        } else {
1664                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1665                                    + " by " + UserHandle.myUserId()
1666                                    + " so not updating cache");
1667                        }
1668                        return value;
1669                    }
1670                    // If the response Bundle is null, we fall through
1671                    // to the query interface below.
1672                } catch (RemoteException e) {
1673                    // Not supported by the remote side?  Fall through
1674                    // to query().
1675                }
1676            }
1677
1678            Cursor c = null;
1679            try {
1680                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1681                             new String[]{name}, null, null);
1682                if (c == null) {
1683                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1684                    return null;
1685                }
1686
1687                String value = c.moveToNext() ? c.getString(0) : null;
1688                synchronized (NameValueCache.this) {
1689                    mValues.put(name, value);
1690                }
1691                if (LOCAL_LOGV) {
1692                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1693                            name + " = " + (value == null ? "(null)" : value));
1694                }
1695                return value;
1696            } catch (RemoteException e) {
1697                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1698                return null;  // Return null, but don't cache it.
1699            } finally {
1700                if (c != null) c.close();
1701            }
1702        }
1703    }
1704
1705    /**
1706     * Checks if the specified context can draw on top of other apps. As of API
1707     * level 23, an app cannot draw on top of other apps unless it declares the
1708     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its
1709     * manifest, <em>and</em> the user specifically grants the app this
1710     * capability. To prompt the user to grant this approval, the app must send an
1711     * intent with the action
1712     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}, which
1713     * causes the system to display a permission management screen.
1714     *
1715     * @param context App context.
1716     * @return true if the specified context can draw on top of other apps, false otherwise
1717     */
1718    public static boolean canDrawOverlays(Context context) {
1719        return Settings.isCallingPackageAllowedToDrawOverlays(context, Process.myUid(),
1720                context.getOpPackageName(), false);
1721    }
1722
1723    /**
1724     * System settings, containing miscellaneous system preferences.  This
1725     * table holds simple name/value pairs.  There are convenience
1726     * functions for accessing individual settings entries.
1727     */
1728    public static final class System extends NameValueTable {
1729        private static final float DEFAULT_FONT_SCALE = 1.0f;
1730
1731        /** @hide */
1732        public static interface Validator {
1733            public boolean validate(String value);
1734        }
1735
1736        /**
1737         * The content:// style URL for this table
1738         */
1739        public static final Uri CONTENT_URI =
1740            Uri.parse("content://" + AUTHORITY + "/system");
1741
1742        private static final NameValueCache sNameValueCache = new NameValueCache(
1743                CONTENT_URI,
1744                CALL_METHOD_GET_SYSTEM,
1745                CALL_METHOD_PUT_SYSTEM);
1746
1747        private static final HashSet<String> MOVED_TO_SECURE;
1748        static {
1749            MOVED_TO_SECURE = new HashSet<String>(30);
1750            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1751            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1752            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1753            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1754            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1755            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1756            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1757            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1758            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1759            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1760            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1761            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1762            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1763            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1764            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1765            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1766            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1767            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1768            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1769            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1770            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1771            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1772            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1773            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1774            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1775            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1776            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1777            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1778
1779            // At one time in System, then Global, but now back in Secure
1780            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1781        }
1782
1783        private static final HashSet<String> MOVED_TO_GLOBAL;
1784        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1785        static {
1786            MOVED_TO_GLOBAL = new HashSet<String>();
1787            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1788
1789            // these were originally in system but migrated to secure in the past,
1790            // so are duplicated in the Secure.* namespace
1791            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1792            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1793            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1794            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1795            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1796            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1797
1798            // these are moving directly from system to global
1799            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1800            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1801            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1802            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1803            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1804            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1805            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1806            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1807            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1808            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1809            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1810            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1811            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1812            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1813            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1814            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1815            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1816            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1817            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1818            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1819            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1820            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1821            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1822            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1823            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1824            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1825            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1826            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1827            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1828            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1829            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1830            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1831            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1832            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1833            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1834            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1835        }
1836
1837        private static final Validator sBooleanValidator =
1838                new DiscreteValueValidator(new String[] {"0", "1"});
1839
1840        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1841            @Override
1842            public boolean validate(String value) {
1843                try {
1844                    return Integer.parseInt(value) >= 0;
1845                } catch (NumberFormatException e) {
1846                    return false;
1847                }
1848            }
1849        };
1850
1851        private static final Validator sUriValidator = new Validator() {
1852            @Override
1853            public boolean validate(String value) {
1854                try {
1855                    Uri.decode(value);
1856                    return true;
1857                } catch (IllegalArgumentException e) {
1858                    return false;
1859                }
1860            }
1861        };
1862
1863        private static final Validator sLenientIpAddressValidator = new Validator() {
1864            private static final int MAX_IPV6_LENGTH = 45;
1865
1866            @Override
1867            public boolean validate(String value) {
1868                return value.length() <= MAX_IPV6_LENGTH;
1869            }
1870        };
1871
1872        /** @hide */
1873        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1874            outKeySet.addAll(MOVED_TO_GLOBAL);
1875            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1876        }
1877
1878        /** @hide */
1879        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1880            outKeySet.addAll(MOVED_TO_SECURE);
1881        }
1882
1883        /** @hide */
1884        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1885            outKeySet.addAll(MOVED_TO_GLOBAL);
1886        }
1887
1888        /**
1889         * Look up a name in the database.
1890         * @param resolver to access the database with
1891         * @param name to look up in the table
1892         * @return the corresponding value, or null if not present
1893         */
1894        public static String getString(ContentResolver resolver, String name) {
1895            return getStringForUser(resolver, name, UserHandle.myUserId());
1896        }
1897
1898        /** @hide */
1899        public static String getStringForUser(ContentResolver resolver, String name,
1900                int userHandle) {
1901            if (MOVED_TO_SECURE.contains(name)) {
1902                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1903                        + " to android.provider.Settings.Secure, returning read-only value.");
1904                return Secure.getStringForUser(resolver, name, userHandle);
1905            }
1906            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1907                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1908                        + " to android.provider.Settings.Global, returning read-only value.");
1909                return Global.getStringForUser(resolver, name, userHandle);
1910            }
1911            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1912        }
1913
1914        /**
1915         * Store a name/value pair into the database.
1916         * @param resolver to access the database with
1917         * @param name to store
1918         * @param value to associate with the name
1919         * @return true if the value was set, false on database errors
1920         */
1921        public static boolean putString(ContentResolver resolver, String name, String value) {
1922            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1923        }
1924
1925        /** @hide */
1926        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1927                int userHandle) {
1928            if (MOVED_TO_SECURE.contains(name)) {
1929                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1930                        + " to android.provider.Settings.Secure, value is unchanged.");
1931                return false;
1932            }
1933            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1934                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1935                        + " to android.provider.Settings.Global, value is unchanged.");
1936                return false;
1937            }
1938            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1939        }
1940
1941        /**
1942         * Construct the content URI for a particular name/value pair,
1943         * useful for monitoring changes with a ContentObserver.
1944         * @param name to look up in the table
1945         * @return the corresponding content URI, or null if not present
1946         */
1947        public static Uri getUriFor(String name) {
1948            if (MOVED_TO_SECURE.contains(name)) {
1949                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1950                    + " to android.provider.Settings.Secure, returning Secure URI.");
1951                return Secure.getUriFor(Secure.CONTENT_URI, name);
1952            }
1953            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1954                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1955                        + " to android.provider.Settings.Global, returning read-only global URI.");
1956                return Global.getUriFor(Global.CONTENT_URI, name);
1957            }
1958            return getUriFor(CONTENT_URI, name);
1959        }
1960
1961        /**
1962         * Convenience function for retrieving a single system settings value
1963         * as an integer.  Note that internally setting values are always
1964         * stored as strings; this function converts the string to an integer
1965         * for you.  The default value will be returned if the setting is
1966         * not defined or not an integer.
1967         *
1968         * @param cr The ContentResolver to access.
1969         * @param name The name of the setting to retrieve.
1970         * @param def Value to return if the setting is not defined.
1971         *
1972         * @return The setting's current value, or 'def' if it is not defined
1973         * or not a valid integer.
1974         */
1975        public static int getInt(ContentResolver cr, String name, int def) {
1976            return getIntForUser(cr, name, def, UserHandle.myUserId());
1977        }
1978
1979        /** @hide */
1980        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1981            String v = getStringForUser(cr, name, userHandle);
1982            try {
1983                return v != null ? Integer.parseInt(v) : def;
1984            } catch (NumberFormatException e) {
1985                return def;
1986            }
1987        }
1988
1989        /**
1990         * Convenience function for retrieving a single system settings value
1991         * as an integer.  Note that internally setting values are always
1992         * stored as strings; this function converts the string to an integer
1993         * for you.
1994         * <p>
1995         * This version does not take a default value.  If the setting has not
1996         * been set, or the string value is not a number,
1997         * it throws {@link SettingNotFoundException}.
1998         *
1999         * @param cr The ContentResolver to access.
2000         * @param name The name of the setting to retrieve.
2001         *
2002         * @throws SettingNotFoundException Thrown if a setting by the given
2003         * name can't be found or the setting value is not an integer.
2004         *
2005         * @return The setting's current value.
2006         */
2007        public static int getInt(ContentResolver cr, String name)
2008                throws SettingNotFoundException {
2009            return getIntForUser(cr, name, UserHandle.myUserId());
2010        }
2011
2012        /** @hide */
2013        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
2014                throws SettingNotFoundException {
2015            String v = getStringForUser(cr, name, userHandle);
2016            try {
2017                return Integer.parseInt(v);
2018            } catch (NumberFormatException e) {
2019                throw new SettingNotFoundException(name);
2020            }
2021        }
2022
2023        /**
2024         * Convenience function for updating a single settings value as an
2025         * integer. This will either create a new entry in the table if the
2026         * given name does not exist, or modify the value of the existing row
2027         * with that name.  Note that internally setting values are always
2028         * stored as strings, so this function converts the given value to a
2029         * string before storing it.
2030         *
2031         * @param cr The ContentResolver to access.
2032         * @param name The name of the setting to modify.
2033         * @param value The new value for the setting.
2034         * @return true if the value was set, false on database errors
2035         */
2036        public static boolean putInt(ContentResolver cr, String name, int value) {
2037            return putIntForUser(cr, name, value, UserHandle.myUserId());
2038        }
2039
2040        /** @hide */
2041        public static boolean putIntForUser(ContentResolver cr, String name, int value,
2042                int userHandle) {
2043            return putStringForUser(cr, name, Integer.toString(value), userHandle);
2044        }
2045
2046        /**
2047         * Convenience function for retrieving a single system settings value
2048         * as a {@code long}.  Note that internally setting values are always
2049         * stored as strings; this function converts the string to a {@code long}
2050         * for you.  The default value will be returned if the setting is
2051         * not defined or not a {@code long}.
2052         *
2053         * @param cr The ContentResolver to access.
2054         * @param name The name of the setting to retrieve.
2055         * @param def Value to return if the setting is not defined.
2056         *
2057         * @return The setting's current value, or 'def' if it is not defined
2058         * or not a valid {@code long}.
2059         */
2060        public static long getLong(ContentResolver cr, String name, long def) {
2061            return getLongForUser(cr, name, def, UserHandle.myUserId());
2062        }
2063
2064        /** @hide */
2065        public static long getLongForUser(ContentResolver cr, String name, long def,
2066                int userHandle) {
2067            String valString = getStringForUser(cr, name, userHandle);
2068            long value;
2069            try {
2070                value = valString != null ? Long.parseLong(valString) : def;
2071            } catch (NumberFormatException e) {
2072                value = def;
2073            }
2074            return value;
2075        }
2076
2077        /**
2078         * Convenience function for retrieving a single system settings value
2079         * as a {@code long}.  Note that internally setting values are always
2080         * stored as strings; this function converts the string to a {@code long}
2081         * for you.
2082         * <p>
2083         * This version does not take a default value.  If the setting has not
2084         * been set, or the string value is not a number,
2085         * it throws {@link SettingNotFoundException}.
2086         *
2087         * @param cr The ContentResolver to access.
2088         * @param name The name of the setting to retrieve.
2089         *
2090         * @return The setting's current value.
2091         * @throws SettingNotFoundException Thrown if a setting by the given
2092         * name can't be found or the setting value is not an integer.
2093         */
2094        public static long getLong(ContentResolver cr, String name)
2095                throws SettingNotFoundException {
2096            return getLongForUser(cr, name, UserHandle.myUserId());
2097        }
2098
2099        /** @hide */
2100        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
2101                throws SettingNotFoundException {
2102            String valString = getStringForUser(cr, name, userHandle);
2103            try {
2104                return Long.parseLong(valString);
2105            } catch (NumberFormatException e) {
2106                throw new SettingNotFoundException(name);
2107            }
2108        }
2109
2110        /**
2111         * Convenience function for updating a single settings value as a long
2112         * integer. This will either create a new entry in the table if the
2113         * given name does not exist, or modify the value of the existing row
2114         * with that name.  Note that internally setting values are always
2115         * stored as strings, so this function converts the given value to a
2116         * string before storing it.
2117         *
2118         * @param cr The ContentResolver to access.
2119         * @param name The name of the setting to modify.
2120         * @param value The new value for the setting.
2121         * @return true if the value was set, false on database errors
2122         */
2123        public static boolean putLong(ContentResolver cr, String name, long value) {
2124            return putLongForUser(cr, name, value, UserHandle.myUserId());
2125        }
2126
2127        /** @hide */
2128        public static boolean putLongForUser(ContentResolver cr, String name, long value,
2129                int userHandle) {
2130            return putStringForUser(cr, name, Long.toString(value), userHandle);
2131        }
2132
2133        /**
2134         * Convenience function for retrieving a single system settings value
2135         * as a floating point number.  Note that internally setting values are
2136         * always stored as strings; this function converts the string to an
2137         * float for you. The default value will be returned if the setting
2138         * is not defined or not a valid float.
2139         *
2140         * @param cr The ContentResolver to access.
2141         * @param name The name of the setting to retrieve.
2142         * @param def Value to return if the setting is not defined.
2143         *
2144         * @return The setting's current value, or 'def' if it is not defined
2145         * or not a valid float.
2146         */
2147        public static float getFloat(ContentResolver cr, String name, float def) {
2148            return getFloatForUser(cr, name, def, UserHandle.myUserId());
2149        }
2150
2151        /** @hide */
2152        public static float getFloatForUser(ContentResolver cr, String name, float def,
2153                int userHandle) {
2154            String v = getStringForUser(cr, name, userHandle);
2155            try {
2156                return v != null ? Float.parseFloat(v) : def;
2157            } catch (NumberFormatException e) {
2158                return def;
2159            }
2160        }
2161
2162        /**
2163         * Convenience function for retrieving a single system settings value
2164         * as a float.  Note that internally setting values are always
2165         * stored as strings; this function converts the string to a float
2166         * for you.
2167         * <p>
2168         * This version does not take a default value.  If the setting has not
2169         * been set, or the string value is not a number,
2170         * it throws {@link SettingNotFoundException}.
2171         *
2172         * @param cr The ContentResolver to access.
2173         * @param name The name of the setting to retrieve.
2174         *
2175         * @throws SettingNotFoundException Thrown if a setting by the given
2176         * name can't be found or the setting value is not a float.
2177         *
2178         * @return The setting's current value.
2179         */
2180        public static float getFloat(ContentResolver cr, String name)
2181                throws SettingNotFoundException {
2182            return getFloatForUser(cr, name, UserHandle.myUserId());
2183        }
2184
2185        /** @hide */
2186        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
2187                throws SettingNotFoundException {
2188            String v = getStringForUser(cr, name, userHandle);
2189            if (v == null) {
2190                throw new SettingNotFoundException(name);
2191            }
2192            try {
2193                return Float.parseFloat(v);
2194            } catch (NumberFormatException e) {
2195                throw new SettingNotFoundException(name);
2196            }
2197        }
2198
2199        /**
2200         * Convenience function for updating a single settings value as a
2201         * floating point number. This will either create a new entry in the
2202         * table if the given name does not exist, or modify the value of the
2203         * existing row with that name.  Note that internally setting values
2204         * are always stored as strings, so this function converts the given
2205         * value to a string before storing it.
2206         *
2207         * @param cr The ContentResolver to access.
2208         * @param name The name of the setting to modify.
2209         * @param value The new value for the setting.
2210         * @return true if the value was set, false on database errors
2211         */
2212        public static boolean putFloat(ContentResolver cr, String name, float value) {
2213            return putFloatForUser(cr, name, value, UserHandle.myUserId());
2214        }
2215
2216        /** @hide */
2217        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
2218                int userHandle) {
2219            return putStringForUser(cr, name, Float.toString(value), userHandle);
2220        }
2221
2222        /**
2223         * Convenience function to read all of the current
2224         * configuration-related settings into a
2225         * {@link Configuration} object.
2226         *
2227         * @param cr The ContentResolver to access.
2228         * @param outConfig Where to place the configuration settings.
2229         */
2230        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
2231            adjustConfigurationForUser(cr, outConfig, UserHandle.myUserId(),
2232                    false /* updateSettingsIfEmpty */);
2233        }
2234
2235        /** @hide */
2236        public static void adjustConfigurationForUser(ContentResolver cr, Configuration outConfig,
2237                int userHandle, boolean updateSettingsIfEmpty) {
2238            outConfig.fontScale = Settings.System.getFloatForUser(
2239                    cr, FONT_SCALE, DEFAULT_FONT_SCALE, userHandle);
2240            if (outConfig.fontScale < 0) {
2241                outConfig.fontScale = DEFAULT_FONT_SCALE;
2242            }
2243
2244            final String localeValue =
2245                    Settings.System.getStringForUser(cr, SYSTEM_LOCALES, userHandle);
2246            if (localeValue != null) {
2247                outConfig.setLocales(LocaleList.forLanguageTags(localeValue));
2248            } else {
2249                // Do not update configuration with emtpy settings since we need to take over the
2250                // locale list of previous user if the settings value is empty. This happens when a
2251                // new user is created.
2252
2253                if (updateSettingsIfEmpty) {
2254                    // Make current configuration persistent. This is necessary the first time a
2255                    // user log in. At the first login, the configuration settings are empty, so we
2256                    // need to store the adjusted configuration as the initial settings.
2257                    Settings.System.putStringForUser(
2258                            cr, SYSTEM_LOCALES, outConfig.getLocales().toLanguageTags(),
2259                            userHandle);
2260                }
2261            }
2262        }
2263
2264        /**
2265         * @hide Erase the fields in the Configuration that should be applied
2266         * by the settings.
2267         */
2268        public static void clearConfiguration(Configuration inoutConfig) {
2269            inoutConfig.fontScale = 0;
2270            if (!inoutConfig.userSetLocale && !inoutConfig.getLocales().isEmpty()) {
2271                inoutConfig.clearLocales();
2272            }
2273        }
2274
2275        /**
2276         * Convenience function to write a batch of configuration-related
2277         * settings from a {@link Configuration} object.
2278         *
2279         * @param cr The ContentResolver to access.
2280         * @param config The settings to write.
2281         * @return true if the values were set, false on database errors
2282         */
2283        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2284            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2285        }
2286
2287        /** @hide */
2288        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2289                int userHandle) {
2290            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle) &&
2291                    Settings.System.putStringForUser(
2292                            cr, SYSTEM_LOCALES, config.getLocales().toLanguageTags(), userHandle);
2293        }
2294
2295        /** @hide */
2296        public static boolean hasInterestingConfigurationChanges(int changes) {
2297            return (changes & ActivityInfo.CONFIG_FONT_SCALE) != 0 ||
2298                    (changes & ActivityInfo.CONFIG_LOCALE) != 0;
2299        }
2300
2301        /** @deprecated - Do not use */
2302        @Deprecated
2303        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2304            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2305        }
2306
2307        /**
2308         * @hide
2309         * @deprecated - Do not use
2310         */
2311        @Deprecated
2312        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2313                int userHandle) {
2314            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2315        }
2316
2317        /** @deprecated - Do not use */
2318        @Deprecated
2319        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2320            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2321        }
2322
2323        /**
2324         * @hide
2325         * @deprecated - Do not use
2326         */
2327        @Deprecated
2328        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2329                int userHandle) {
2330            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2331        }
2332
2333        private static final class DiscreteValueValidator implements Validator {
2334            private final String[] mValues;
2335
2336            public DiscreteValueValidator(String[] values) {
2337                mValues = values;
2338            }
2339
2340            @Override
2341            public boolean validate(String value) {
2342                return ArrayUtils.contains(mValues, value);
2343            }
2344        }
2345
2346        private static final class InclusiveIntegerRangeValidator implements Validator {
2347            private final int mMin;
2348            private final int mMax;
2349
2350            public InclusiveIntegerRangeValidator(int min, int max) {
2351                mMin = min;
2352                mMax = max;
2353            }
2354
2355            @Override
2356            public boolean validate(String value) {
2357                try {
2358                    final int intValue = Integer.parseInt(value);
2359                    return intValue >= mMin && intValue <= mMax;
2360                } catch (NumberFormatException e) {
2361                    return false;
2362                }
2363            }
2364        }
2365
2366        private static final class InclusiveFloatRangeValidator implements Validator {
2367            private final float mMin;
2368            private final float mMax;
2369
2370            public InclusiveFloatRangeValidator(float min, float max) {
2371                mMin = min;
2372                mMax = max;
2373            }
2374
2375            @Override
2376            public boolean validate(String value) {
2377                try {
2378                    final float floatValue = Float.parseFloat(value);
2379                    return floatValue >= mMin && floatValue <= mMax;
2380                } catch (NumberFormatException e) {
2381                    return false;
2382                }
2383            }
2384        }
2385
2386        /**
2387         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2388         */
2389        @Deprecated
2390        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2391
2392        /**
2393         * What happens when the user presses the end call button if they're not
2394         * on a call.<br/>
2395         * <b>Values:</b><br/>
2396         * 0 - The end button does nothing.<br/>
2397         * 1 - The end button goes to the home screen.<br/>
2398         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2399         * 3 - The end button goes to the home screen.  If the user is already on the
2400         * home screen, it puts the device to sleep.
2401         */
2402        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2403
2404        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2405                new InclusiveIntegerRangeValidator(0, 3);
2406
2407        /**
2408         * END_BUTTON_BEHAVIOR value for "go home".
2409         * @hide
2410         */
2411        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2412
2413        /**
2414         * END_BUTTON_BEHAVIOR value for "go to sleep".
2415         * @hide
2416         */
2417        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2418
2419        /**
2420         * END_BUTTON_BEHAVIOR default value.
2421         * @hide
2422         */
2423        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2424
2425        /**
2426         * Is advanced settings mode turned on. 0 == no, 1 == yes
2427         * @hide
2428         */
2429        public static final String ADVANCED_SETTINGS = "advanced_settings";
2430
2431        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2432
2433        /**
2434         * ADVANCED_SETTINGS default value.
2435         * @hide
2436         */
2437        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2438
2439        /**
2440         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2441         */
2442        @Deprecated
2443        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2444
2445        /**
2446         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2447         */
2448        @Deprecated
2449        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2450
2451        /**
2452         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2453         */
2454        @Deprecated
2455        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2456
2457        /**
2458         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2459         * {@hide}
2460         */
2461        @Deprecated
2462        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2463
2464        /**
2465         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2466         */
2467        @Deprecated
2468        public static final String RADIO_CELL = Global.RADIO_CELL;
2469
2470        /**
2471         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2472         */
2473        @Deprecated
2474        public static final String RADIO_NFC = Global.RADIO_NFC;
2475
2476        /**
2477         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2478         */
2479        @Deprecated
2480        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2481
2482        /**
2483         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2484         *
2485         * {@hide}
2486         */
2487        @Deprecated
2488        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2489                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2490
2491        /**
2492         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2493         */
2494        @Deprecated
2495        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2496
2497        /**
2498         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2499         */
2500        @Deprecated
2501        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2502
2503        /**
2504         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2505         */
2506        @Deprecated
2507        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2508                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2509
2510        /**
2511         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2512         */
2513        @Deprecated
2514        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2515
2516        /**
2517         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2518         */
2519        @Deprecated
2520        public static final String MODE_RINGER = Global.MODE_RINGER;
2521
2522        /**
2523         * Whether to use static IP and other static network attributes.
2524         * <p>
2525         * Set to 1 for true and 0 for false.
2526         *
2527         * @deprecated Use {@link WifiManager} instead
2528         */
2529        @Deprecated
2530        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2531
2532        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2533
2534        /**
2535         * The static IP address.
2536         * <p>
2537         * Example: "192.168.1.51"
2538         *
2539         * @deprecated Use {@link WifiManager} instead
2540         */
2541        @Deprecated
2542        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2543
2544        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2545
2546        /**
2547         * If using static IP, the gateway's IP address.
2548         * <p>
2549         * Example: "192.168.1.1"
2550         *
2551         * @deprecated Use {@link WifiManager} instead
2552         */
2553        @Deprecated
2554        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2555
2556        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2557
2558        /**
2559         * If using static IP, the net mask.
2560         * <p>
2561         * Example: "255.255.255.0"
2562         *
2563         * @deprecated Use {@link WifiManager} instead
2564         */
2565        @Deprecated
2566        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2567
2568        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2569
2570        /**
2571         * If using static IP, the primary DNS's IP address.
2572         * <p>
2573         * Example: "192.168.1.1"
2574         *
2575         * @deprecated Use {@link WifiManager} instead
2576         */
2577        @Deprecated
2578        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2579
2580        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2581
2582        /**
2583         * If using static IP, the secondary DNS's IP address.
2584         * <p>
2585         * Example: "192.168.1.2"
2586         *
2587         * @deprecated Use {@link WifiManager} instead
2588         */
2589        @Deprecated
2590        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2591
2592        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2593
2594        /**
2595         * Determines whether remote devices may discover and/or connect to
2596         * this device.
2597         * <P>Type: INT</P>
2598         * 2 -- discoverable and connectable
2599         * 1 -- connectable but not discoverable
2600         * 0 -- neither connectable nor discoverable
2601         */
2602        public static final String BLUETOOTH_DISCOVERABILITY =
2603            "bluetooth_discoverability";
2604
2605        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2606                new InclusiveIntegerRangeValidator(0, 2);
2607
2608        /**
2609         * Bluetooth discoverability timeout.  If this value is nonzero, then
2610         * Bluetooth becomes discoverable for a certain number of seconds,
2611         * after which is becomes simply connectable.  The value is in seconds.
2612         */
2613        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2614            "bluetooth_discoverability_timeout";
2615
2616        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2617                sNonNegativeIntegerValidator;
2618
2619        /**
2620         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2621         * instead
2622         */
2623        @Deprecated
2624        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2625
2626        /**
2627         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2628         * instead
2629         */
2630        @Deprecated
2631        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2632
2633        /**
2634         * @deprecated Use
2635         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2636         * instead
2637         */
2638        @Deprecated
2639        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2640            "lock_pattern_tactile_feedback_enabled";
2641
2642        /**
2643         * A formatted string of the next alarm that is set, or the empty string
2644         * if there is no alarm set.
2645         *
2646         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2647         */
2648        @Deprecated
2649        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2650
2651        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2652            private static final int MAX_LENGTH = 1000;
2653
2654            @Override
2655            public boolean validate(String value) {
2656                // TODO: No idea what the correct format is.
2657                return value == null || value.length() < MAX_LENGTH;
2658            }
2659        };
2660
2661        /**
2662         * Scaling factor for fonts, float.
2663         */
2664        public static final String FONT_SCALE = "font_scale";
2665
2666        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2667            @Override
2668            public boolean validate(String value) {
2669                try {
2670                    return Float.parseFloat(value) >= 0;
2671                } catch (NumberFormatException e) {
2672                    return false;
2673                }
2674            }
2675        };
2676
2677        /**
2678         * The serialized system locale value.
2679         *
2680         * Do not use this value directory.
2681         * To get system locale, use {@link LocaleList#getDefault} instead.
2682         * To update system locale, use {@link com.android.internal.app.LocalePicker#updateLocales}
2683         * instead.
2684         * @hide
2685         */
2686        public static final String SYSTEM_LOCALES = "system_locales";
2687
2688
2689        /**
2690         * Name of an application package to be debugged.
2691         *
2692         * @deprecated Use {@link Global#DEBUG_APP} instead
2693         */
2694        @Deprecated
2695        public static final String DEBUG_APP = Global.DEBUG_APP;
2696
2697        /**
2698         * If 1, when launching DEBUG_APP it will wait for the debugger before
2699         * starting user code.  If 0, it will run normally.
2700         *
2701         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2702         */
2703        @Deprecated
2704        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2705
2706        /**
2707         * Whether or not to dim the screen. 0=no  1=yes
2708         * @deprecated This setting is no longer used.
2709         */
2710        @Deprecated
2711        public static final String DIM_SCREEN = "dim_screen";
2712
2713        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2714
2715        /**
2716         * The amount of time in milliseconds before the device goes to sleep or begins
2717         * to dream after a period of inactivity.  This value is also known as the
2718         * user activity timeout period since the screen isn't necessarily turned off
2719         * when it expires.
2720         */
2721        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2722
2723        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2724
2725        /**
2726         * The screen backlight brightness between 0 and 255.
2727         */
2728        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2729
2730        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2731                new InclusiveIntegerRangeValidator(0, 255);
2732
2733        /**
2734         * Control whether to enable automatic brightness mode.
2735         */
2736        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2737
2738        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2739
2740        /**
2741         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2742         * or less (<0.0 >-1.0) bright.
2743         * @hide
2744         */
2745        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2746
2747        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2748                new InclusiveFloatRangeValidator(-1, 1);
2749
2750        /**
2751         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2752         */
2753        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2754
2755        /**
2756         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2757         */
2758        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2759
2760        /**
2761         * Control whether the process CPU usage meter should be shown.
2762         *
2763         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2764         */
2765        @Deprecated
2766        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2767
2768        /**
2769         * If 1, the activity manager will aggressively finish activities and
2770         * processes as soon as they are no longer needed.  If 0, the normal
2771         * extended lifetime is used.
2772         *
2773         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2774         */
2775        @Deprecated
2776        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2777
2778        /**
2779         * Determines which streams are affected by ringer mode changes. The
2780         * stream type's bit should be set to 1 if it should be muted when going
2781         * into an inaudible ringer mode.
2782         */
2783        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2784
2785        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2786                sNonNegativeIntegerValidator;
2787
2788        /**
2789          * Determines which streams are affected by mute. The
2790          * stream type's bit should be set to 1 if it should be muted when a mute request
2791          * is received.
2792          */
2793        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2794
2795        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2796                sNonNegativeIntegerValidator;
2797
2798        /**
2799         * Whether vibrate is on for different events. This is used internally,
2800         * changing this value will not change the vibrate. See AudioManager.
2801         */
2802        public static final String VIBRATE_ON = "vibrate_on";
2803
2804        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2805
2806        /**
2807         * If 1, redirects the system vibrator to all currently attached input devices
2808         * that support vibration.  If there are no such input devices, then the system
2809         * vibrator is used instead.
2810         * If 0, does not register the system vibrator.
2811         *
2812         * This setting is mainly intended to provide a compatibility mechanism for
2813         * applications that only know about the system vibrator and do not use the
2814         * input device vibrator API.
2815         *
2816         * @hide
2817         */
2818        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2819
2820        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2821
2822        /**
2823         * Ringer volume. This is used internally, changing this value will not
2824         * change the volume. See AudioManager.
2825         *
2826         * @removed Not used by anything since API 2.
2827         */
2828        public static final String VOLUME_RING = "volume_ring";
2829
2830        /**
2831         * System/notifications volume. This is used internally, changing this
2832         * value will not change the volume. See AudioManager.
2833         *
2834         * @removed Not used by anything since API 2.
2835         */
2836        public static final String VOLUME_SYSTEM = "volume_system";
2837
2838        /**
2839         * Voice call volume. This is used internally, changing this value will
2840         * not change the volume. See AudioManager.
2841         *
2842         * @removed Not used by anything since API 2.
2843         */
2844        public static final String VOLUME_VOICE = "volume_voice";
2845
2846        /**
2847         * Music/media/gaming volume. This is used internally, changing this
2848         * value will not change the volume. See AudioManager.
2849         *
2850         * @removed Not used by anything since API 2.
2851         */
2852        public static final String VOLUME_MUSIC = "volume_music";
2853
2854        /**
2855         * Alarm volume. This is used internally, changing this
2856         * value will not change the volume. See AudioManager.
2857         *
2858         * @removed Not used by anything since API 2.
2859         */
2860        public static final String VOLUME_ALARM = "volume_alarm";
2861
2862        /**
2863         * Notification volume. This is used internally, changing this
2864         * value will not change the volume. See AudioManager.
2865         *
2866         * @removed Not used by anything since API 2.
2867         */
2868        public static final String VOLUME_NOTIFICATION = "volume_notification";
2869
2870        /**
2871         * Bluetooth Headset volume. This is used internally, changing this value will
2872         * not change the volume. See AudioManager.
2873         *
2874         * @removed Not used by anything since API 2.
2875         */
2876        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2877
2878        /**
2879         * Master volume (float in the range 0.0f to 1.0f).
2880         *
2881         * @hide
2882         */
2883        public static final String VOLUME_MASTER = "volume_master";
2884
2885        /**
2886         * Master mono (int 1 = mono, 0 = normal).
2887         *
2888         * @hide
2889         */
2890        public static final String MASTER_MONO = "master_mono";
2891
2892        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2893
2894        /**
2895         * Whether the notifications should use the ring volume (value of 1) or
2896         * a separate notification volume (value of 0). In most cases, users
2897         * will have this enabled so the notification and ringer volumes will be
2898         * the same. However, power users can disable this and use the separate
2899         * notification volume control.
2900         * <p>
2901         * Note: This is a one-off setting that will be removed in the future
2902         * when there is profile support. For this reason, it is kept hidden
2903         * from the public APIs.
2904         *
2905         * @hide
2906         * @deprecated
2907         */
2908        @Deprecated
2909        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2910            "notifications_use_ring_volume";
2911
2912        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2913
2914        /**
2915         * Whether silent mode should allow vibration feedback. This is used
2916         * internally in AudioService and the Sound settings activity to
2917         * coordinate decoupling of vibrate and silent modes. This setting
2918         * will likely be removed in a future release with support for
2919         * audio/vibe feedback profiles.
2920         *
2921         * Not used anymore. On devices with vibrator, the user explicitly selects
2922         * silent or vibrate mode.
2923         * Kept for use by legacy database upgrade code in DatabaseHelper.
2924         * @hide
2925         */
2926        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2927
2928        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2929
2930        /**
2931         * The mapping of stream type (integer) to its setting.
2932         *
2933         * @removed  Not used by anything since API 2.
2934         */
2935        public static final String[] VOLUME_SETTINGS = {
2936            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2937            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2938        };
2939
2940        /**
2941         * Appended to various volume related settings to record the previous
2942         * values before they the settings were affected by a silent/vibrate
2943         * ringer mode change.
2944         *
2945         * @removed  Not used by anything since API 2.
2946         */
2947        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2948
2949        /**
2950         * Persistent store for the system-wide default ringtone URI.
2951         * <p>
2952         * If you need to play the default ringtone at any given time, it is recommended
2953         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2954         * to the set default ringtone at the time of playing.
2955         *
2956         * @see #DEFAULT_RINGTONE_URI
2957         */
2958        public static final String RINGTONE = "ringtone";
2959
2960        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2961
2962        /**
2963         * A {@link Uri} that will point to the current default ringtone at any
2964         * given time.
2965         * <p>
2966         * If the current default ringtone is in the DRM provider and the caller
2967         * does not have permission, the exception will be a
2968         * FileNotFoundException.
2969         */
2970        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2971
2972        /** {@hide} */
2973        public static final String RINGTONE_CACHE = "ringtone_cache";
2974        /** {@hide} */
2975        public static final Uri RINGTONE_CACHE_URI = getUriFor(RINGTONE_CACHE);
2976
2977        /**
2978         * Persistent store for the system-wide default notification sound.
2979         *
2980         * @see #RINGTONE
2981         * @see #DEFAULT_NOTIFICATION_URI
2982         */
2983        public static final String NOTIFICATION_SOUND = "notification_sound";
2984
2985        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2986
2987        /**
2988         * A {@link Uri} that will point to the current default notification
2989         * sound at any given time.
2990         *
2991         * @see #DEFAULT_RINGTONE_URI
2992         */
2993        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2994
2995        /** {@hide} */
2996        public static final String NOTIFICATION_SOUND_CACHE = "notification_sound_cache";
2997        /** {@hide} */
2998        public static final Uri NOTIFICATION_SOUND_CACHE_URI = getUriFor(NOTIFICATION_SOUND_CACHE);
2999
3000        /**
3001         * Persistent store for the system-wide default alarm alert.
3002         *
3003         * @see #RINGTONE
3004         * @see #DEFAULT_ALARM_ALERT_URI
3005         */
3006        public static final String ALARM_ALERT = "alarm_alert";
3007
3008        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
3009
3010        /**
3011         * A {@link Uri} that will point to the current default alarm alert at
3012         * any given time.
3013         *
3014         * @see #DEFAULT_ALARM_ALERT_URI
3015         */
3016        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
3017
3018        /** {@hide} */
3019        public static final String ALARM_ALERT_CACHE = "alarm_alert_cache";
3020        /** {@hide} */
3021        public static final Uri ALARM_ALERT_CACHE_URI = getUriFor(ALARM_ALERT_CACHE);
3022
3023        /**
3024         * Persistent store for the system default media button event receiver.
3025         *
3026         * @hide
3027         */
3028        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
3029
3030        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
3031            @Override
3032            public boolean validate(String value) {
3033                try {
3034                    ComponentName.unflattenFromString(value);
3035                    return true;
3036                } catch (NullPointerException e) {
3037                    return false;
3038                }
3039            }
3040        };
3041
3042        /**
3043         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
3044         */
3045        public static final String TEXT_AUTO_REPLACE = "auto_replace";
3046
3047        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
3048
3049        /**
3050         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
3051         */
3052        public static final String TEXT_AUTO_CAPS = "auto_caps";
3053
3054        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
3055
3056        /**
3057         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
3058         * feature converts two spaces to a "." and space.
3059         */
3060        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
3061
3062        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
3063
3064        /**
3065         * Setting to showing password characters in text editors. 1 = On, 0 = Off
3066         */
3067        public static final String TEXT_SHOW_PASSWORD = "show_password";
3068
3069        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
3070
3071        public static final String SHOW_GTALK_SERVICE_STATUS =
3072                "SHOW_GTALK_SERVICE_STATUS";
3073
3074        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
3075
3076        /**
3077         * Name of activity to use for wallpaper on the home screen.
3078         *
3079         * @deprecated Use {@link WallpaperManager} instead.
3080         */
3081        @Deprecated
3082        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
3083
3084        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
3085            private static final int MAX_LENGTH = 1000;
3086
3087            @Override
3088            public boolean validate(String value) {
3089                if (value != null && value.length() > MAX_LENGTH) {
3090                    return false;
3091                }
3092                return ComponentName.unflattenFromString(value) != null;
3093            }
3094        };
3095
3096        /**
3097         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
3098         * instead
3099         */
3100        @Deprecated
3101        public static final String AUTO_TIME = Global.AUTO_TIME;
3102
3103        /**
3104         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
3105         * instead
3106         */
3107        @Deprecated
3108        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
3109
3110        /**
3111         * Display times as 12 or 24 hours
3112         *   12
3113         *   24
3114         */
3115        public static final String TIME_12_24 = "time_12_24";
3116
3117        /** @hide */
3118        public static final Validator TIME_12_24_VALIDATOR =
3119                new DiscreteValueValidator(new String[] {"12", "24"});
3120
3121        /**
3122         * Date format string
3123         *   mm/dd/yyyy
3124         *   dd/mm/yyyy
3125         *   yyyy/mm/dd
3126         */
3127        public static final String DATE_FORMAT = "date_format";
3128
3129        /** @hide */
3130        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
3131            @Override
3132            public boolean validate(String value) {
3133                try {
3134                    new SimpleDateFormat(value);
3135                    return true;
3136                } catch (IllegalArgumentException e) {
3137                    return false;
3138                }
3139            }
3140        };
3141
3142        /**
3143         * Whether the setup wizard has been run before (on first boot), or if
3144         * it still needs to be run.
3145         *
3146         * nonzero = it has been run in the past
3147         * 0 = it has not been run in the past
3148         */
3149        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
3150
3151        /** @hide */
3152        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
3153
3154        /**
3155         * Scaling factor for normal window animations. Setting to 0 will disable window
3156         * animations.
3157         *
3158         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
3159         */
3160        @Deprecated
3161        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
3162
3163        /**
3164         * Scaling factor for activity transition animations. Setting to 0 will disable window
3165         * animations.
3166         *
3167         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
3168         */
3169        @Deprecated
3170        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
3171
3172        /**
3173         * Scaling factor for Animator-based animations. This affects both the start delay and
3174         * duration of all such animations. Setting to 0 will cause animations to end immediately.
3175         * The default value is 1.
3176         *
3177         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
3178         */
3179        @Deprecated
3180        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
3181
3182        /**
3183         * Control whether the accelerometer will be used to change screen
3184         * orientation.  If 0, it will not be used unless explicitly requested
3185         * by the application; if 1, it will be used by default unless explicitly
3186         * disabled by the application.
3187         */
3188        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
3189
3190        /** @hide */
3191        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
3192
3193        /**
3194         * Default screen rotation when no other policy applies.
3195         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
3196         * preference, this rotation value will be used. Must be one of the
3197         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
3198         *
3199         * @see android.view.Display#getRotation
3200         */
3201        public static final String USER_ROTATION = "user_rotation";
3202
3203        /** @hide */
3204        public static final Validator USER_ROTATION_VALIDATOR =
3205                new InclusiveIntegerRangeValidator(0, 3);
3206
3207        /**
3208         * Control whether the rotation lock toggle in the System UI should be hidden.
3209         * Typically this is done for accessibility purposes to make it harder for
3210         * the user to accidentally toggle the rotation lock while the display rotation
3211         * has been locked for accessibility.
3212         *
3213         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
3214         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
3215         *
3216         * @hide
3217         */
3218        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
3219                "hide_rotation_lock_toggle_for_accessibility";
3220
3221        /** @hide */
3222        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
3223                sBooleanValidator;
3224
3225        /**
3226         * Whether the phone vibrates when it is ringing due to an incoming call. This will
3227         * be used by Phone and Setting apps; it shouldn't affect other apps.
3228         * The value is boolean (1 or 0).
3229         *
3230         * Note: this is not same as "vibrate on ring", which had been available until ICS.
3231         * It was about AudioManager's setting and thus affected all the applications which
3232         * relied on the setting, while this is purely about the vibration setting for incoming
3233         * calls.
3234         */
3235        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
3236
3237        /** @hide */
3238        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
3239
3240        /**
3241         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
3242         * boolean (1 or 0).
3243         */
3244        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
3245
3246        /** @hide */
3247        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3248
3249        /**
3250         * CDMA only settings
3251         * DTMF tone type played by the dialer when dialing.
3252         *                 0 = Normal
3253         *                 1 = Long
3254         */
3255        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3256
3257        /** @hide */
3258        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3259
3260        /**
3261         * Whether the hearing aid is enabled. The value is
3262         * boolean (1 or 0).
3263         * @hide
3264         */
3265        public static final String HEARING_AID = "hearing_aid";
3266
3267        /** @hide */
3268        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3269
3270        /**
3271         * CDMA only settings
3272         * TTY Mode
3273         * 0 = OFF
3274         * 1 = FULL
3275         * 2 = VCO
3276         * 3 = HCO
3277         * @hide
3278         */
3279        public static final String TTY_MODE = "tty_mode";
3280
3281        /** @hide */
3282        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3283
3284        /**
3285         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3286         * boolean (1 or 0).
3287         */
3288        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3289
3290        /** @hide */
3291        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3292
3293        /**
3294         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3295         * boolean (1 or 0).
3296         */
3297        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3298
3299        /** @hide */
3300        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3301
3302        /**
3303         * @deprecated Each application that shows web suggestions should have its own
3304         * setting for this.
3305         */
3306        @Deprecated
3307        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3308
3309        /** @hide */
3310        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3311
3312        /**
3313         * Whether the notification LED should repeatedly flash when a notification is
3314         * pending. The value is boolean (1 or 0).
3315         * @hide
3316         */
3317        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3318
3319        /** @hide */
3320        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3321
3322        /**
3323         * Show pointer location on screen?
3324         * 0 = no
3325         * 1 = yes
3326         * @hide
3327         */
3328        public static final String POINTER_LOCATION = "pointer_location";
3329
3330        /** @hide */
3331        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3332
3333        /**
3334         * Show touch positions on screen?
3335         * 0 = no
3336         * 1 = yes
3337         * @hide
3338         */
3339        public static final String SHOW_TOUCHES = "show_touches";
3340
3341        /** @hide */
3342        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3343
3344        /**
3345         * Log raw orientation data from
3346         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3347         * orientationplot.py tool.
3348         * 0 = no
3349         * 1 = yes
3350         * @hide
3351         */
3352        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3353                "window_orientation_listener_log";
3354
3355        /** @hide */
3356        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3357
3358        /**
3359         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3360         * instead
3361         * @hide
3362         */
3363        @Deprecated
3364        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3365
3366        /**
3367         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3368         * instead
3369         * @hide
3370         */
3371        @Deprecated
3372        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3373
3374        /**
3375         * Whether to play sounds when the keyguard is shown and dismissed.
3376         * @hide
3377         */
3378        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3379
3380        /** @hide */
3381        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3382
3383        /**
3384         * Whether the lockscreen should be completely disabled.
3385         * @hide
3386         */
3387        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3388
3389        /** @hide */
3390        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3391
3392        /**
3393         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3394         * instead
3395         * @hide
3396         */
3397        @Deprecated
3398        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3399
3400        /**
3401         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3402         * instead
3403         * @hide
3404         */
3405        @Deprecated
3406        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3407
3408        /**
3409         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3410         * instead
3411         * @hide
3412         */
3413        @Deprecated
3414        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3415
3416        /**
3417         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3418         * instead
3419         * @hide
3420         */
3421        @Deprecated
3422        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3423
3424        /**
3425         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3426         * instead
3427         * @hide
3428         */
3429        @Deprecated
3430        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3431
3432        /**
3433         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3434         * instead
3435         * @hide
3436         */
3437        @Deprecated
3438        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3439
3440        /**
3441         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3442         * instead
3443         * @hide
3444         */
3445        @Deprecated
3446        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3447
3448        /**
3449         * Receive incoming SIP calls?
3450         * 0 = no
3451         * 1 = yes
3452         * @hide
3453         */
3454        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3455
3456        /** @hide */
3457        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3458
3459        /**
3460         * Call Preference String.
3461         * "SIP_ALWAYS" : Always use SIP with network access
3462         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3463         * @hide
3464         */
3465        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3466
3467        /** @hide */
3468        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3469                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3470
3471        /**
3472         * One of the sip call options: Always use SIP with network access.
3473         * @hide
3474         */
3475        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3476
3477        /** @hide */
3478        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3479
3480        /**
3481         * One of the sip call options: Only if destination is a SIP address.
3482         * @hide
3483         */
3484        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3485
3486        /** @hide */
3487        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3488
3489        /**
3490         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3491         * the user should be prompted each time a call is made whether it should be placed using
3492         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3493         * SIP_ADDRESS_ONLY.
3494         * @hide
3495         */
3496        @Deprecated
3497        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3498
3499        /** @hide */
3500        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3501
3502        /**
3503         * Pointer speed setting.
3504         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3505         *   -7 = slowest
3506         *    0 = default speed
3507         *   +7 = fastest
3508         * @hide
3509         */
3510        public static final String POINTER_SPEED = "pointer_speed";
3511
3512        /** @hide */
3513        public static final Validator POINTER_SPEED_VALIDATOR =
3514                new InclusiveFloatRangeValidator(-7, 7);
3515
3516        /**
3517         * Whether lock-to-app will be triggered by long-press on recents.
3518         * @hide
3519         */
3520        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3521
3522        /** @hide */
3523        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3524
3525        /**
3526         * I am the lolrus.
3527         * <p>
3528         * Nonzero values indicate that the user has a bukkit.
3529         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3530         * @hide
3531         */
3532        public static final String EGG_MODE = "egg_mode";
3533
3534        /** @hide */
3535        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3536            @Override
3537            public boolean validate(String value) {
3538                try {
3539                    return Long.parseLong(value) >= 0;
3540                } catch (NumberFormatException e) {
3541                    return false;
3542                }
3543            }
3544        };
3545
3546        /**
3547         * IMPORTANT: If you add a new public settings you also have to add it to
3548         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3549         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3550         * the setting value. See an example above.
3551         */
3552
3553        /**
3554         * Settings to backup. This is here so that it's in the same place as the settings
3555         * keys and easy to update.
3556         *
3557         * NOTE: Settings are backed up and restored in the order they appear
3558         *       in this array. If you have one setting depending on another,
3559         *       make sure that they are ordered appropriately.
3560         *
3561         * @hide
3562         */
3563        public static final String[] SETTINGS_TO_BACKUP = {
3564            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3565            WIFI_USE_STATIC_IP,
3566            WIFI_STATIC_IP,
3567            WIFI_STATIC_GATEWAY,
3568            WIFI_STATIC_NETMASK,
3569            WIFI_STATIC_DNS1,
3570            WIFI_STATIC_DNS2,
3571            BLUETOOTH_DISCOVERABILITY,
3572            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3573            FONT_SCALE,
3574            DIM_SCREEN,
3575            SCREEN_OFF_TIMEOUT,
3576            SCREEN_BRIGHTNESS,
3577            SCREEN_BRIGHTNESS_MODE,
3578            SCREEN_AUTO_BRIGHTNESS_ADJ,
3579            VIBRATE_INPUT_DEVICES,
3580            MODE_RINGER_STREAMS_AFFECTED,
3581            TEXT_AUTO_REPLACE,
3582            TEXT_AUTO_CAPS,
3583            TEXT_AUTO_PUNCTUATE,
3584            TEXT_SHOW_PASSWORD,
3585            AUTO_TIME,                  // moved to global
3586            AUTO_TIME_ZONE,             // moved to global
3587            TIME_12_24,
3588            DATE_FORMAT,
3589            DTMF_TONE_WHEN_DIALING,
3590            DTMF_TONE_TYPE_WHEN_DIALING,
3591            HEARING_AID,
3592            TTY_MODE,
3593            MASTER_MONO,
3594            SOUND_EFFECTS_ENABLED,
3595            HAPTIC_FEEDBACK_ENABLED,
3596            POWER_SOUNDS_ENABLED,       // moved to global
3597            DOCK_SOUNDS_ENABLED,        // moved to global
3598            LOCKSCREEN_SOUNDS_ENABLED,
3599            SHOW_WEB_SUGGESTIONS,
3600            SIP_CALL_OPTIONS,
3601            SIP_RECEIVE_CALLS,
3602            POINTER_SPEED,
3603            VIBRATE_WHEN_RINGING,
3604            RINGTONE,
3605            LOCK_TO_APP_ENABLED,
3606            NOTIFICATION_SOUND,
3607            ACCELEROMETER_ROTATION
3608        };
3609
3610        /**
3611         * These are all public system settings
3612         *
3613         * @hide
3614         */
3615        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3616        static {
3617            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3618            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3619            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3620            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3621            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3622            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3623            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3624            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3625            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3626            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3627            PUBLIC_SETTINGS.add(FONT_SCALE);
3628            PUBLIC_SETTINGS.add(DIM_SCREEN);
3629            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3630            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3631            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3632            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3633            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3634            PUBLIC_SETTINGS.add(VIBRATE_ON);
3635            PUBLIC_SETTINGS.add(VOLUME_RING);
3636            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3637            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3638            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3639            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3640            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3641            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3642            PUBLIC_SETTINGS.add(RINGTONE);
3643            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3644            PUBLIC_SETTINGS.add(ALARM_ALERT);
3645            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3646            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3647            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3648            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3649            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3650            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3651            PUBLIC_SETTINGS.add(TIME_12_24);
3652            PUBLIC_SETTINGS.add(DATE_FORMAT);
3653            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3654            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3655            PUBLIC_SETTINGS.add(USER_ROTATION);
3656            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3657            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3658            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3659            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3660            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3661        }
3662
3663        /**
3664         * These are all hidden system settings.
3665         *
3666         * @hide
3667         */
3668        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3669        static {
3670            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3671            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3672            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3673            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3674            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3675            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3676            PRIVATE_SETTINGS.add(MASTER_MONO);
3677            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3678            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3679            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3680            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3681            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3682            PRIVATE_SETTINGS.add(HEARING_AID);
3683            PRIVATE_SETTINGS.add(TTY_MODE);
3684            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3685            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3686            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3687            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3688            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3689            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3690            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3691            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3692            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3693            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3694            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3695            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3696            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3697            PRIVATE_SETTINGS.add(LOCK_SOUND);
3698            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3699            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3700            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3701            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3702            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3703            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3704            PRIVATE_SETTINGS.add(POINTER_SPEED);
3705            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3706            PRIVATE_SETTINGS.add(EGG_MODE);
3707        }
3708
3709        /**
3710         * These are all public system settings
3711         *
3712         * @hide
3713         */
3714        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3715        static {
3716            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3717            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3718            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3719            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3720                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3721            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3722            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3723            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3724            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3725            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3726            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3727            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3728            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3729            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3730            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3731            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3732            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3733            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3734            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3735            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3736            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3737            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3738            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3739            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3740            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3741            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3742            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3743            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3744            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3745            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3746            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3747            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3748            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3749            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3750            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3751            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3752            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3753            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3754            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3755            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3756            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3757            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3758                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3759            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3760            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3761            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3762            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3763            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3764            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3765            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3766            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3767                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3768            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3769            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3770            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3771            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3772            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3773            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3774            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3775            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3776            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3777            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3778            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3779            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3780            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3781            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3782            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3783        }
3784
3785        /**
3786         * These entries are considered common between the personal and the managed profile,
3787         * since the managed profile doesn't get to change them.
3788         */
3789        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3790        static {
3791            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3792            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3793            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3794            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3795            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3796        }
3797
3798        /** @hide */
3799        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3800            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3801        }
3802
3803        /**
3804         * When to use Wi-Fi calling
3805         *
3806         * @see android.telephony.TelephonyManager.WifiCallingChoices
3807         * @hide
3808         */
3809        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3810
3811        // Settings moved to Settings.Secure
3812
3813        /**
3814         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3815         * instead
3816         */
3817        @Deprecated
3818        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3819
3820        /**
3821         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3822         */
3823        @Deprecated
3824        public static final String ANDROID_ID = Secure.ANDROID_ID;
3825
3826        /**
3827         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3828         */
3829        @Deprecated
3830        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3831
3832        /**
3833         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3834         */
3835        @Deprecated
3836        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3837
3838        /**
3839         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3840         */
3841        @Deprecated
3842        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3843
3844        /**
3845         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3846         */
3847        @Deprecated
3848        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3849
3850        /**
3851         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3852         */
3853        @Deprecated
3854        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3855
3856        /**
3857         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3858         * instead
3859         */
3860        @Deprecated
3861        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3862
3863        /**
3864         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3865         */
3866        @Deprecated
3867        public static final String LOGGING_ID = Secure.LOGGING_ID;
3868
3869        /**
3870         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3871         */
3872        @Deprecated
3873        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3874
3875        /**
3876         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3877         * instead
3878         */
3879        @Deprecated
3880        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3881
3882        /**
3883         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3884         * instead
3885         */
3886        @Deprecated
3887        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3888
3889        /**
3890         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3891         * instead
3892         */
3893        @Deprecated
3894        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3895            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3896
3897        /**
3898         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3899         */
3900        @Deprecated
3901        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3902
3903        /**
3904         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3905         */
3906        @Deprecated
3907        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3908
3909        /**
3910         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3911         */
3912        @Deprecated
3913        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3914
3915       /**
3916         * @deprecated Use
3917         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3918         */
3919        @Deprecated
3920        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3921
3922        /**
3923         * @deprecated Use
3924         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3925         */
3926        @Deprecated
3927        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3928                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3929
3930        /**
3931         * @deprecated Use
3932         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3933         */
3934        @Deprecated
3935        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3936                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3937
3938        /**
3939         * @deprecated Use
3940         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3941         */
3942        @Deprecated
3943        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3944                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3945
3946        /**
3947         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3948         * instead
3949         */
3950        @Deprecated
3951        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3952
3953        /**
3954         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3955         */
3956        @Deprecated
3957        public static final String WIFI_ON = Global.WIFI_ON;
3958
3959        /**
3960         * @deprecated Use
3961         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3962         * instead
3963         */
3964        @Deprecated
3965        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3966                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3967
3968        /**
3969         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3970         */
3971        @Deprecated
3972        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3973
3974        /**
3975         * @deprecated Use
3976         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3977         */
3978        @Deprecated
3979        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3980                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3981
3982        /**
3983         * @deprecated Use
3984         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3985         */
3986        @Deprecated
3987        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3988                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3989
3990        /**
3991         * @deprecated Use
3992         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3993         * instead
3994         */
3995        @Deprecated
3996        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3997                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3998
3999        /**
4000         * @deprecated Use
4001         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
4002         */
4003        @Deprecated
4004        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
4005            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
4006
4007        /**
4008         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
4009         * instead
4010         */
4011        @Deprecated
4012        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
4013
4014        /**
4015         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
4016         */
4017        @Deprecated
4018        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
4019
4020        /**
4021         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
4022         */
4023        @Deprecated
4024        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
4025
4026        /**
4027         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
4028         * instead
4029         */
4030        @Deprecated
4031        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
4032
4033        /**
4034         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
4035         * instead
4036         */
4037        @Deprecated
4038        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
4039            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
4040
4041        /**
4042         * Checks if the specified app can modify system settings. As of API
4043         * level 23, an app cannot modify system settings unless it declares the
4044         * {@link android.Manifest.permission#WRITE_SETTINGS}
4045         * permission in its manifest, <em>and</em> the user specifically grants
4046         * the app this capability. To prompt the user to grant this approval,
4047         * the app must send an intent with the action {@link
4048         * android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}, which causes
4049         * the system to display a permission management screen.
4050         *
4051         * @param context App context.
4052         * @return true if the calling app can write to system settings, false otherwise
4053         */
4054        public static boolean canWrite(Context context) {
4055            return isCallingPackageAllowedToWriteSettings(context, Process.myUid(),
4056                    context.getOpPackageName(), false);
4057        }
4058    }
4059
4060    /**
4061     * Secure system settings, containing system preferences that applications
4062     * can read but are not allowed to write.  These are for preferences that
4063     * the user must explicitly modify through the system UI or specialized
4064     * APIs for those values, not modified directly by applications.
4065     */
4066    public static final class Secure extends NameValueTable {
4067        /**
4068         * The content:// style URL for this table
4069         */
4070        public static final Uri CONTENT_URI =
4071            Uri.parse("content://" + AUTHORITY + "/secure");
4072
4073        // Populated lazily, guarded by class object:
4074        private static final NameValueCache sNameValueCache = new NameValueCache(
4075                CONTENT_URI,
4076                CALL_METHOD_GET_SECURE,
4077                CALL_METHOD_PUT_SECURE);
4078
4079        private static ILockSettings sLockSettings = null;
4080
4081        private static boolean sIsSystemProcess;
4082        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
4083        private static final HashSet<String> MOVED_TO_GLOBAL;
4084        static {
4085            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
4086            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
4087            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
4088            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
4089
4090            MOVED_TO_GLOBAL = new HashSet<String>();
4091            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
4092            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
4093            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
4094            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
4095            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
4096            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
4097            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
4098            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
4099            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
4100            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
4101            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
4102            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
4103            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
4104            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
4105            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
4106            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
4107            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
4108            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
4109            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
4110            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
4111            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
4112            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
4113            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
4114            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
4115            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
4116            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
4117            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
4118            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
4119            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
4120            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
4121            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
4122            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
4123            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
4124            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
4125            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
4126            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
4127            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
4128            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
4129            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
4130            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
4131            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
4132            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
4133            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
4134            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
4135            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
4136            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
4137            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
4138            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
4139            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
4140            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
4141            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
4142            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
4143            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
4144            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
4145            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
4146            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
4147            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
4148            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
4149            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4150            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
4151            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
4152            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
4153            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
4154            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
4155            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
4156            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
4157            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED);
4158            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
4159            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
4160            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
4161            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
4162            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4163            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
4164            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
4165            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
4166            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
4167            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
4168            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
4169            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
4170            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
4171            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
4172            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
4173            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
4174            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
4175            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
4176            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
4177            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
4178            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
4179            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
4180            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
4181            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
4182            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
4183            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
4184            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
4185            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
4186            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
4187            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
4188            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
4189            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
4190            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
4191            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
4192            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
4193            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
4194            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
4195            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
4196            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
4197            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
4198            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
4199            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
4200            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
4201            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
4202            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
4203        }
4204
4205        /** @hide */
4206        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
4207            outKeySet.addAll(MOVED_TO_GLOBAL);
4208        }
4209
4210        /**
4211         * Look up a name in the database.
4212         * @param resolver to access the database with
4213         * @param name to look up in the table
4214         * @return the corresponding value, or null if not present
4215         */
4216        public static String getString(ContentResolver resolver, String name) {
4217            return getStringForUser(resolver, name, UserHandle.myUserId());
4218        }
4219
4220        /** @hide */
4221        public static String getStringForUser(ContentResolver resolver, String name,
4222                int userHandle) {
4223            if (MOVED_TO_GLOBAL.contains(name)) {
4224                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4225                        + " to android.provider.Settings.Global.");
4226                return Global.getStringForUser(resolver, name, userHandle);
4227            }
4228
4229            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
4230                synchronized (Secure.class) {
4231                    if (sLockSettings == null) {
4232                        sLockSettings = ILockSettings.Stub.asInterface(
4233                                (IBinder) ServiceManager.getService("lock_settings"));
4234                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
4235                    }
4236                }
4237                if (sLockSettings != null && !sIsSystemProcess) {
4238                    // No context; use the ActivityThread's context as an approximation for
4239                    // determining the target API level.
4240                    Application application = ActivityThread.currentApplication();
4241
4242                    boolean isPreMnc = application != null
4243                            && application.getApplicationInfo() != null
4244                            && application.getApplicationInfo().targetSdkVersion
4245                            <= VERSION_CODES.LOLLIPOP_MR1;
4246                    if (isPreMnc) {
4247                        try {
4248                            return sLockSettings.getString(name, "0", userHandle);
4249                        } catch (RemoteException re) {
4250                            // Fall through
4251                        }
4252                    } else {
4253                        throw new SecurityException("Settings.Secure." + name
4254                                + " is deprecated and no longer accessible."
4255                                + " See API documentation for potential replacements.");
4256                    }
4257                }
4258            }
4259
4260            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4261        }
4262
4263        /**
4264         * Store a name/value pair into the database.
4265         * @param resolver to access the database with
4266         * @param name to store
4267         * @param value to associate with the name
4268         * @return true if the value was set, false on database errors
4269         */
4270        public static boolean putString(ContentResolver resolver, String name, String value) {
4271            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4272        }
4273
4274        /** @hide */
4275        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4276                int userHandle) {
4277            if (LOCATION_MODE.equals(name)) {
4278                // HACK ALERT: temporary hack to work around b/10491283.
4279                // TODO: once b/10491283 fixed, remove this hack
4280                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4281            }
4282            if (MOVED_TO_GLOBAL.contains(name)) {
4283                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4284                        + " to android.provider.Settings.Global");
4285                return Global.putStringForUser(resolver, name, value, userHandle);
4286            }
4287            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4288        }
4289
4290        /**
4291         * Construct the content URI for a particular name/value pair,
4292         * useful for monitoring changes with a ContentObserver.
4293         * @param name to look up in the table
4294         * @return the corresponding content URI, or null if not present
4295         */
4296        public static Uri getUriFor(String name) {
4297            if (MOVED_TO_GLOBAL.contains(name)) {
4298                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4299                        + " to android.provider.Settings.Global, returning global URI.");
4300                return Global.getUriFor(Global.CONTENT_URI, name);
4301            }
4302            return getUriFor(CONTENT_URI, name);
4303        }
4304
4305        /**
4306         * Convenience function for retrieving a single secure settings value
4307         * as an integer.  Note that internally setting values are always
4308         * stored as strings; this function converts the string to an integer
4309         * for you.  The default value will be returned if the setting is
4310         * not defined or not an integer.
4311         *
4312         * @param cr The ContentResolver to access.
4313         * @param name The name of the setting to retrieve.
4314         * @param def Value to return if the setting is not defined.
4315         *
4316         * @return The setting's current value, or 'def' if it is not defined
4317         * or not a valid integer.
4318         */
4319        public static int getInt(ContentResolver cr, String name, int def) {
4320            return getIntForUser(cr, name, def, UserHandle.myUserId());
4321        }
4322
4323        /** @hide */
4324        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4325            if (LOCATION_MODE.equals(name)) {
4326                // HACK ALERT: temporary hack to work around b/10491283.
4327                // TODO: once b/10491283 fixed, remove this hack
4328                return getLocationModeForUser(cr, userHandle);
4329            }
4330            String v = getStringForUser(cr, name, userHandle);
4331            try {
4332                return v != null ? Integer.parseInt(v) : def;
4333            } catch (NumberFormatException e) {
4334                return def;
4335            }
4336        }
4337
4338        /**
4339         * Convenience function for retrieving a single secure settings value
4340         * as an integer.  Note that internally setting values are always
4341         * stored as strings; this function converts the string to an integer
4342         * for you.
4343         * <p>
4344         * This version does not take a default value.  If the setting has not
4345         * been set, or the string value is not a number,
4346         * it throws {@link SettingNotFoundException}.
4347         *
4348         * @param cr The ContentResolver to access.
4349         * @param name The name of the setting to retrieve.
4350         *
4351         * @throws SettingNotFoundException Thrown if a setting by the given
4352         * name can't be found or the setting value is not an integer.
4353         *
4354         * @return The setting's current value.
4355         */
4356        public static int getInt(ContentResolver cr, String name)
4357                throws SettingNotFoundException {
4358            return getIntForUser(cr, name, UserHandle.myUserId());
4359        }
4360
4361        /** @hide */
4362        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4363                throws SettingNotFoundException {
4364            if (LOCATION_MODE.equals(name)) {
4365                // HACK ALERT: temporary hack to work around b/10491283.
4366                // TODO: once b/10491283 fixed, remove this hack
4367                return getLocationModeForUser(cr, userHandle);
4368            }
4369            String v = getStringForUser(cr, name, userHandle);
4370            try {
4371                return Integer.parseInt(v);
4372            } catch (NumberFormatException e) {
4373                throw new SettingNotFoundException(name);
4374            }
4375        }
4376
4377        /**
4378         * Convenience function for updating a single settings value as an
4379         * integer. This will either create a new entry in the table if the
4380         * given name does not exist, or modify the value of the existing row
4381         * with that name.  Note that internally setting values are always
4382         * stored as strings, so this function converts the given value to a
4383         * string before storing it.
4384         *
4385         * @param cr The ContentResolver to access.
4386         * @param name The name of the setting to modify.
4387         * @param value The new value for the setting.
4388         * @return true if the value was set, false on database errors
4389         */
4390        public static boolean putInt(ContentResolver cr, String name, int value) {
4391            return putIntForUser(cr, name, value, UserHandle.myUserId());
4392        }
4393
4394        /** @hide */
4395        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4396                int userHandle) {
4397            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4398        }
4399
4400        /**
4401         * Convenience function for retrieving a single secure settings value
4402         * as a {@code long}.  Note that internally setting values are always
4403         * stored as strings; this function converts the string to a {@code long}
4404         * for you.  The default value will be returned if the setting is
4405         * not defined or not a {@code long}.
4406         *
4407         * @param cr The ContentResolver to access.
4408         * @param name The name of the setting to retrieve.
4409         * @param def Value to return if the setting is not defined.
4410         *
4411         * @return The setting's current value, or 'def' if it is not defined
4412         * or not a valid {@code long}.
4413         */
4414        public static long getLong(ContentResolver cr, String name, long def) {
4415            return getLongForUser(cr, name, def, UserHandle.myUserId());
4416        }
4417
4418        /** @hide */
4419        public static long getLongForUser(ContentResolver cr, String name, long def,
4420                int userHandle) {
4421            String valString = getStringForUser(cr, name, userHandle);
4422            long value;
4423            try {
4424                value = valString != null ? Long.parseLong(valString) : def;
4425            } catch (NumberFormatException e) {
4426                value = def;
4427            }
4428            return value;
4429        }
4430
4431        /**
4432         * Convenience function for retrieving a single secure settings value
4433         * as a {@code long}.  Note that internally setting values are always
4434         * stored as strings; this function converts the string to a {@code long}
4435         * for you.
4436         * <p>
4437         * This version does not take a default value.  If the setting has not
4438         * been set, or the string value is not a number,
4439         * it throws {@link SettingNotFoundException}.
4440         *
4441         * @param cr The ContentResolver to access.
4442         * @param name The name of the setting to retrieve.
4443         *
4444         * @return The setting's current value.
4445         * @throws SettingNotFoundException Thrown if a setting by the given
4446         * name can't be found or the setting value is not an integer.
4447         */
4448        public static long getLong(ContentResolver cr, String name)
4449                throws SettingNotFoundException {
4450            return getLongForUser(cr, name, UserHandle.myUserId());
4451        }
4452
4453        /** @hide */
4454        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4455                throws SettingNotFoundException {
4456            String valString = getStringForUser(cr, name, userHandle);
4457            try {
4458                return Long.parseLong(valString);
4459            } catch (NumberFormatException e) {
4460                throw new SettingNotFoundException(name);
4461            }
4462        }
4463
4464        /**
4465         * Convenience function for updating a secure settings value as a long
4466         * integer. This will either create a new entry in the table if the
4467         * given name does not exist, or modify the value of the existing row
4468         * with that name.  Note that internally setting values are always
4469         * stored as strings, so this function converts the given value to a
4470         * string before storing it.
4471         *
4472         * @param cr The ContentResolver to access.
4473         * @param name The name of the setting to modify.
4474         * @param value The new value for the setting.
4475         * @return true if the value was set, false on database errors
4476         */
4477        public static boolean putLong(ContentResolver cr, String name, long value) {
4478            return putLongForUser(cr, name, value, UserHandle.myUserId());
4479        }
4480
4481        /** @hide */
4482        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4483                int userHandle) {
4484            return putStringForUser(cr, name, Long.toString(value), userHandle);
4485        }
4486
4487        /**
4488         * Convenience function for retrieving a single secure settings value
4489         * as a floating point number.  Note that internally setting values are
4490         * always stored as strings; this function converts the string to an
4491         * float for you. The default value will be returned if the setting
4492         * is not defined or not a valid float.
4493         *
4494         * @param cr The ContentResolver to access.
4495         * @param name The name of the setting to retrieve.
4496         * @param def Value to return if the setting is not defined.
4497         *
4498         * @return The setting's current value, or 'def' if it is not defined
4499         * or not a valid float.
4500         */
4501        public static float getFloat(ContentResolver cr, String name, float def) {
4502            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4503        }
4504
4505        /** @hide */
4506        public static float getFloatForUser(ContentResolver cr, String name, float def,
4507                int userHandle) {
4508            String v = getStringForUser(cr, name, userHandle);
4509            try {
4510                return v != null ? Float.parseFloat(v) : def;
4511            } catch (NumberFormatException e) {
4512                return def;
4513            }
4514        }
4515
4516        /**
4517         * Convenience function for retrieving a single secure settings value
4518         * as a float.  Note that internally setting values are always
4519         * stored as strings; this function converts the string to a float
4520         * for you.
4521         * <p>
4522         * This version does not take a default value.  If the setting has not
4523         * been set, or the string value is not a number,
4524         * it throws {@link SettingNotFoundException}.
4525         *
4526         * @param cr The ContentResolver to access.
4527         * @param name The name of the setting to retrieve.
4528         *
4529         * @throws SettingNotFoundException Thrown if a setting by the given
4530         * name can't be found or the setting value is not a float.
4531         *
4532         * @return The setting's current value.
4533         */
4534        public static float getFloat(ContentResolver cr, String name)
4535                throws SettingNotFoundException {
4536            return getFloatForUser(cr, name, UserHandle.myUserId());
4537        }
4538
4539        /** @hide */
4540        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4541                throws SettingNotFoundException {
4542            String v = getStringForUser(cr, name, userHandle);
4543            if (v == null) {
4544                throw new SettingNotFoundException(name);
4545            }
4546            try {
4547                return Float.parseFloat(v);
4548            } catch (NumberFormatException e) {
4549                throw new SettingNotFoundException(name);
4550            }
4551        }
4552
4553        /**
4554         * Convenience function for updating a single settings value as a
4555         * floating point number. This will either create a new entry in the
4556         * table if the given name does not exist, or modify the value of the
4557         * existing row with that name.  Note that internally setting values
4558         * are always stored as strings, so this function converts the given
4559         * value to a string before storing it.
4560         *
4561         * @param cr The ContentResolver to access.
4562         * @param name The name of the setting to modify.
4563         * @param value The new value for the setting.
4564         * @return true if the value was set, false on database errors
4565         */
4566        public static boolean putFloat(ContentResolver cr, String name, float value) {
4567            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4568        }
4569
4570        /** @hide */
4571        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4572                int userHandle) {
4573            return putStringForUser(cr, name, Float.toString(value), userHandle);
4574        }
4575
4576        /**
4577         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4578         * instead
4579         */
4580        @Deprecated
4581        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4582                Global.DEVELOPMENT_SETTINGS_ENABLED;
4583
4584        /**
4585         * When the user has enable the option to have a "bug report" command
4586         * in the power menu.
4587         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4588         * @hide
4589         */
4590        @Deprecated
4591        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4592
4593        /**
4594         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4595         */
4596        @Deprecated
4597        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4598
4599        /**
4600         * Setting to allow mock locations and location provider status to be injected into the
4601         * LocationManager service for testing purposes during application development.  These
4602         * locations and status values  override actual location and status information generated
4603         * by network, gps, or other location providers.
4604         *
4605         * @deprecated This settings is not used anymore.
4606         */
4607        @Deprecated
4608        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4609
4610        /**
4611         * A 64-bit number (as a hex string) that is randomly
4612         * generated when the user first sets up the device and should remain
4613         * constant for the lifetime of the user's device. The value may
4614         * change if a factory reset is performed on the device.
4615         * <p class="note"><strong>Note:</strong> When a device has <a
4616         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4617         * (available on certain devices running Android 4.2 or higher), each user appears as a
4618         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4619         * user.</p>
4620         */
4621        public static final String ANDROID_ID = "android_id";
4622
4623        /**
4624         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4625         */
4626        @Deprecated
4627        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4628
4629        /**
4630         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4631         */
4632        @Deprecated
4633        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4634
4635        /**
4636         * Setting to record the input method used by default, holding the ID
4637         * of the desired method.
4638         */
4639        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4640
4641        /**
4642         * Setting to record the input method subtype used by default, holding the ID
4643         * of the desired method.
4644         */
4645        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4646                "selected_input_method_subtype";
4647
4648        /**
4649         * Setting to record the history of input method subtype, holding the pair of ID of IME
4650         * and its last used subtype.
4651         * @hide
4652         */
4653        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4654                "input_methods_subtype_history";
4655
4656        /**
4657         * Setting to record the visibility of input method selector
4658         */
4659        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4660                "input_method_selector_visibility";
4661
4662        /**
4663         * The currently selected voice interaction service flattened ComponentName.
4664         * @hide
4665         */
4666        @TestApi
4667        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4668
4669        /**
4670         * bluetooth HCI snoop log configuration
4671         * @hide
4672         */
4673        public static final String BLUETOOTH_HCI_LOG =
4674                "bluetooth_hci_log";
4675
4676        /**
4677         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4678         */
4679        @Deprecated
4680        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4681
4682        /**
4683         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4684         * @hide
4685         */
4686        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4687
4688        /**
4689         * Prefix for category name that marks whether a suggested action from that category was
4690         * completed.
4691         * @hide
4692         */
4693        public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
4694
4695        /**
4696         * List of input methods that are currently enabled.  This is a string
4697         * containing the IDs of all enabled input methods, each ID separated
4698         * by ':'.
4699         */
4700        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4701
4702        /**
4703         * List of system input methods that are currently disabled.  This is a string
4704         * containing the IDs of all disabled input methods, each ID separated
4705         * by ':'.
4706         * @hide
4707         */
4708        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4709
4710        /**
4711         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4712         * determines if the IME should be shown when a hard keyboard is attached.
4713         * @hide
4714         */
4715        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4716
4717        /**
4718         * Host name and port for global http proxy. Uses ':' seperator for
4719         * between host and port.
4720         *
4721         * @deprecated Use {@link Global#HTTP_PROXY}
4722         */
4723        @Deprecated
4724        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4725
4726        /**
4727         * Package designated as always-on VPN provider.
4728         *
4729         * @hide
4730         */
4731        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4732
4733        /**
4734         * Whether to block networking outside of VPN connections while always-on is set.
4735         * @see #ALWAYS_ON_VPN_APP
4736         *
4737         * @hide
4738         */
4739        public static final String ALWAYS_ON_VPN_LOCKDOWN = "always_on_vpn_lockdown";
4740
4741        /**
4742         * Whether applications can be installed for this user via the system's
4743         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4744         *
4745         * <p>1 = permit app installation via the system package installer intent
4746         * <p>0 = do not allow use of the package installer
4747         */
4748        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4749
4750        /**
4751         * Comma-separated list of location providers that activities may access. Do not rely on
4752         * this value being present in settings.db or on ContentObserver notifications on the
4753         * corresponding Uri.
4754         *
4755         * @deprecated use {@link #LOCATION_MODE} and
4756         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4757         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4758         */
4759        @Deprecated
4760        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4761
4762        /**
4763         * The degree of location access enabled by the user.
4764         * <p>
4765         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4766         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4767         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4768         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4769         * modes that might be added in the future.
4770         * <p>
4771         * Note: do not rely on this value being present in settings.db or on ContentObserver
4772         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4773         * to receive changes in this value.
4774         */
4775        public static final String LOCATION_MODE = "location_mode";
4776        /**
4777         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4778         * {@link #LOCATION_MODE_OFF}
4779         * @hide
4780         */
4781        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4782
4783        /**
4784         * Sets all location providers to the previous states before location was turned off.
4785         * @hide
4786         */
4787        public static final int LOCATION_MODE_PREVIOUS = -1;
4788        /**
4789         * Location access disabled.
4790         */
4791        public static final int LOCATION_MODE_OFF = 0;
4792        /**
4793         * Network Location Provider disabled, but GPS and other sensors enabled.
4794         */
4795        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4796        /**
4797         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4798         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4799         * {@link android.location.Criteria#POWER_MEDIUM}.
4800         */
4801        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4802        /**
4803         * Best-effort location computation allowed.
4804         */
4805        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4806
4807        /**
4808         * A flag containing settings used for biometric weak
4809         * @hide
4810         */
4811        @Deprecated
4812        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4813                "lock_biometric_weak_flags";
4814
4815        /**
4816         * Whether lock-to-app will lock the keyguard when exiting.
4817         * @hide
4818         */
4819        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4820
4821        /**
4822         * Whether autolock is enabled (0 = false, 1 = true)
4823         *
4824         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4825         *             level of the keyguard. Accessing this setting from an app that is targeting
4826         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4827         */
4828        @Deprecated
4829        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4830
4831        /**
4832         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4833         *
4834         * @deprecated Accessing this setting from an app that is targeting
4835         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4836         */
4837        @Deprecated
4838        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4839
4840        /**
4841         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4842         * true)
4843         *
4844         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4845         *             lockscreen uses
4846         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4847         *             Accessing this setting from an app that is targeting
4848         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4849         */
4850        @Deprecated
4851        public static final String
4852                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4853
4854        /**
4855         * This preference allows the device to be locked given time after screen goes off,
4856         * subject to current DeviceAdmin policy limits.
4857         * @hide
4858         */
4859        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4860
4861
4862        /**
4863         * This preference contains the string that shows for owner info on LockScreen.
4864         * @hide
4865         * @deprecated
4866         */
4867        @Deprecated
4868        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4869
4870        /**
4871         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4872         * @hide
4873         */
4874        @Deprecated
4875        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4876            "lock_screen_appwidget_ids";
4877
4878        /**
4879         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4880         * @hide
4881         */
4882        @Deprecated
4883        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4884            "lock_screen_fallback_appwidget_id";
4885
4886        /**
4887         * Index of the lockscreen appwidget to restore, -1 if none.
4888         * @hide
4889         */
4890        @Deprecated
4891        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4892            "lock_screen_sticky_appwidget";
4893
4894        /**
4895         * This preference enables showing the owner info on LockScreen.
4896         * @hide
4897         * @deprecated
4898         */
4899        @Deprecated
4900        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4901            "lock_screen_owner_info_enabled";
4902
4903        /**
4904         * When set by a user, allows notifications to be shown atop a securely locked screen
4905         * in their full "private" form (same as when the device is unlocked).
4906         * @hide
4907         */
4908        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4909                "lock_screen_allow_private_notifications";
4910
4911        /**
4912         * When set by a user, allows notification remote input atop a securely locked screen
4913         * without having to unlock
4914         * @hide
4915         */
4916        public static final String LOCK_SCREEN_ALLOW_REMOTE_INPUT =
4917                "lock_screen_allow_remote_input";
4918
4919        /**
4920         * Set by the system to track if the user needs to see the call to action for
4921         * the lockscreen notification policy.
4922         * @hide
4923         */
4924        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4925                "show_note_about_notification_hiding";
4926
4927        /**
4928         * Set to 1 by the system after trust agents have been initialized.
4929         * @hide
4930         */
4931        public static final String TRUST_AGENTS_INITIALIZED =
4932                "trust_agents_initialized";
4933
4934        /**
4935         * The Logging ID (a unique 64-bit value) as a hex string.
4936         * Used as a pseudonymous identifier for logging.
4937         * @deprecated This identifier is poorly initialized and has
4938         * many collisions.  It should not be used.
4939         */
4940        @Deprecated
4941        public static final String LOGGING_ID = "logging_id";
4942
4943        /**
4944         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4945         */
4946        @Deprecated
4947        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4948
4949        /**
4950         * No longer supported.
4951         */
4952        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4953
4954        /**
4955         * No longer supported.
4956         */
4957        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4958
4959        /**
4960         * No longer supported.
4961         */
4962        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4963
4964        /**
4965         * Settings classname to launch when Settings is clicked from All
4966         * Applications.  Needed because of user testing between the old
4967         * and new Settings apps.
4968         */
4969        // TODO: 881807
4970        public static final String SETTINGS_CLASSNAME = "settings_classname";
4971
4972        /**
4973         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4974         */
4975        @Deprecated
4976        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4977
4978        /**
4979         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4980         */
4981        @Deprecated
4982        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4983
4984        /**
4985         * If accessibility is enabled.
4986         */
4987        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4988
4989        /**
4990         * If touch exploration is enabled.
4991         */
4992        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4993
4994        /**
4995         * List of the enabled accessibility providers.
4996         */
4997        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4998            "enabled_accessibility_services";
4999
5000        /**
5001         * List of the accessibility services to which the user has granted
5002         * permission to put the device into touch exploration mode.
5003         *
5004         * @hide
5005         */
5006        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
5007            "touch_exploration_granted_accessibility_services";
5008
5009        /**
5010         * Whether to speak passwords while in accessibility mode.
5011         */
5012        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
5013
5014        /**
5015         * Whether to draw text with high contrast while in accessibility mode.
5016         *
5017         * @hide
5018         */
5019        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
5020                "high_text_contrast_enabled";
5021
5022        /**
5023         * If injection of accessibility enhancing JavaScript screen-reader
5024         * is enabled.
5025         * <p>
5026         *   Note: The JavaScript based screen-reader is served by the
5027         *   Google infrastructure and enable users with disabilities to
5028         *   efficiently navigate in and explore web content.
5029         * </p>
5030         * <p>
5031         *   This property represents a boolean value.
5032         * </p>
5033         * @hide
5034         */
5035        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
5036            "accessibility_script_injection";
5037
5038        /**
5039         * The URL for the injected JavaScript based screen-reader used
5040         * for providing accessibility of content in WebView.
5041         * <p>
5042         *   Note: The JavaScript based screen-reader is served by the
5043         *   Google infrastructure and enable users with disabilities to
5044         *   efficiently navigate in and explore web content.
5045         * </p>
5046         * <p>
5047         *   This property represents a string value.
5048         * </p>
5049         * @hide
5050         */
5051        public static final String ACCESSIBILITY_SCREEN_READER_URL =
5052            "accessibility_script_injection_url";
5053
5054        /**
5055         * Key bindings for navigation in built-in accessibility support for web content.
5056         * <p>
5057         *   Note: These key bindings are for the built-in accessibility navigation for
5058         *   web content which is used as a fall back solution if JavaScript in a WebView
5059         *   is not enabled or the user has not opted-in script injection from Google.
5060         * </p>
5061         * <p>
5062         *   The bindings are separated by semi-colon. A binding is a mapping from
5063         *   a key to a sequence of actions (for more details look at
5064         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
5065         *   string representation of an integer obtained from a meta state (optional) shifted
5066         *   sixteen times left and bitwise ored with a key code. An action is represented
5067         *   as a hexademical string representation of an integer where the first two digits
5068         *   are navigation action index, the second, the third, and the fourth digit pairs
5069         *   represent the action arguments. The separate actions in a binding are colon
5070         *   separated. The key and the action sequence it maps to are separated by equals.
5071         * </p>
5072         * <p>
5073         *   For example, the binding below maps the DPAD right button to traverse the
5074         *   current navigation axis once without firing an accessibility event and to
5075         *   perform the same traversal again but to fire an event:
5076         *   <code>
5077         *     0x16=0x01000100:0x01000101;
5078         *   </code>
5079         * </p>
5080         * <p>
5081         *   The goal of this binding is to enable dynamic rebinding of keys to
5082         *   navigation actions for web content without requiring a framework change.
5083         * </p>
5084         * <p>
5085         *   This property represents a string value.
5086         * </p>
5087         * @hide
5088         */
5089        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
5090            "accessibility_web_content_key_bindings";
5091
5092        /**
5093         * Setting that specifies whether the display magnification is enabled.
5094         * Display magnifications allows the user to zoom in the display content
5095         * and is targeted to low vision users. The current magnification scale
5096         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
5097         *
5098         * @hide
5099         */
5100        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
5101                "accessibility_display_magnification_enabled";
5102
5103        /**
5104         * Setting that specifies what the display magnification scale is.
5105         * Display magnifications allows the user to zoom in the display
5106         * content and is targeted to low vision users. Whether a display
5107         * magnification is performed is controlled by
5108         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5109         *
5110         * @hide
5111         */
5112        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
5113                "accessibility_display_magnification_scale";
5114
5115        /**
5116         * Setting that specifies whether the display magnification should be
5117         * automatically updated. If this fearture is enabled the system will
5118         * exit magnification mode or pan the viewport when a context change
5119         * occurs. For example, on staring a new activity or rotating the screen,
5120         * the system may zoom out so the user can see the new context he is in.
5121         * Another example is on showing a window that is not visible in the
5122         * magnified viewport the system may pan the viewport to make the window
5123         * the has popped up so the user knows that the context has changed.
5124         * Whether a screen magnification is performed is controlled by
5125         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5126         *
5127         * @hide
5128         */
5129        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
5130                "accessibility_display_magnification_auto_update";
5131
5132        /**
5133         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
5134         * modified from an AccessibilityService using the SoftKeyboardController.
5135         *
5136         * @hide
5137         */
5138        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
5139                "accessibility_soft_keyboard_mode";
5140
5141        /**
5142         * Default soft keyboard behavior.
5143         *
5144         * @hide
5145         */
5146        public static final int SHOW_MODE_AUTO = 0;
5147
5148        /**
5149         * Soft keyboard is never shown.
5150         *
5151         * @hide
5152         */
5153        public static final int SHOW_MODE_HIDDEN = 1;
5154
5155        /**
5156         * Setting that specifies whether timed text (captions) should be
5157         * displayed in video content. Text display properties are controlled by
5158         * the following settings:
5159         * <ul>
5160         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
5161         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
5162         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
5163         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
5164         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
5165         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
5166         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
5167         * </ul>
5168         *
5169         * @hide
5170         */
5171        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
5172                "accessibility_captioning_enabled";
5173
5174        /**
5175         * Setting that specifies the language for captions as a locale string,
5176         * e.g. en_US.
5177         *
5178         * @see java.util.Locale#toString
5179         * @hide
5180         */
5181        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
5182                "accessibility_captioning_locale";
5183
5184        /**
5185         * Integer property that specifies the preset style for captions, one
5186         * of:
5187         * <ul>
5188         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
5189         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
5190         * </ul>
5191         *
5192         * @see java.util.Locale#toString
5193         * @hide
5194         */
5195        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
5196                "accessibility_captioning_preset";
5197
5198        /**
5199         * Integer property that specifes the background color for captions as a
5200         * packed 32-bit color.
5201         *
5202         * @see android.graphics.Color#argb
5203         * @hide
5204         */
5205        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
5206                "accessibility_captioning_background_color";
5207
5208        /**
5209         * Integer property that specifes the foreground color for captions as a
5210         * packed 32-bit color.
5211         *
5212         * @see android.graphics.Color#argb
5213         * @hide
5214         */
5215        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
5216                "accessibility_captioning_foreground_color";
5217
5218        /**
5219         * Integer property that specifes the edge type for captions, one of:
5220         * <ul>
5221         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
5222         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
5223         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
5224         * </ul>
5225         *
5226         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
5227         * @hide
5228         */
5229        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
5230                "accessibility_captioning_edge_type";
5231
5232        /**
5233         * Integer property that specifes the edge color for captions as a
5234         * packed 32-bit color.
5235         *
5236         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
5237         * @see android.graphics.Color#argb
5238         * @hide
5239         */
5240        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
5241                "accessibility_captioning_edge_color";
5242
5243        /**
5244         * Integer property that specifes the window color for captions as a
5245         * packed 32-bit color.
5246         *
5247         * @see android.graphics.Color#argb
5248         * @hide
5249         */
5250        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
5251                "accessibility_captioning_window_color";
5252
5253        /**
5254         * String property that specifies the typeface for captions, one of:
5255         * <ul>
5256         * <li>DEFAULT
5257         * <li>MONOSPACE
5258         * <li>SANS_SERIF
5259         * <li>SERIF
5260         * </ul>
5261         *
5262         * @see android.graphics.Typeface
5263         * @hide
5264         */
5265        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
5266                "accessibility_captioning_typeface";
5267
5268        /**
5269         * Floating point property that specifies font scaling for captions.
5270         *
5271         * @hide
5272         */
5273        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5274                "accessibility_captioning_font_scale";
5275
5276        /**
5277         * Setting that specifies whether display color inversion is enabled.
5278         */
5279        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5280                "accessibility_display_inversion_enabled";
5281
5282        /**
5283         * Setting that specifies whether display color space adjustment is
5284         * enabled.
5285         *
5286         * @hide
5287         */
5288        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5289                "accessibility_display_daltonizer_enabled";
5290
5291        /**
5292         * Integer property that specifies the type of color space adjustment to
5293         * perform. Valid values are defined in AccessibilityManager.
5294         *
5295         * @hide
5296         */
5297        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5298                "accessibility_display_daltonizer";
5299
5300        /**
5301         * Float list that specifies the color matrix to apply to
5302         * the display. Valid values are defined in AccessibilityManager.
5303         *
5304         * @hide
5305         */
5306        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5307                "accessibility_display_color_matrix";
5308
5309        /**
5310         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5311         * enabled.
5312         *
5313         * @hide
5314         */
5315        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5316                "accessibility_autoclick_enabled";
5317
5318        /**
5319         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5320         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5321         *
5322         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5323         * @hide
5324         */
5325        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5326                "accessibility_autoclick_delay";
5327
5328        /**
5329         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5330         * accessibility.
5331         * (0 = false, 1 = true)
5332         * @hide
5333         */
5334        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5335                "accessibility_large_pointer_icon";
5336
5337        /**
5338         * The timeout for considering a press to be a long press in milliseconds.
5339         * @hide
5340         */
5341        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5342
5343        /**
5344         * List of the enabled print services.
5345         *
5346         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5347         * from pre-N.
5348         *
5349         * @hide
5350         */
5351        public static final String ENABLED_PRINT_SERVICES =
5352            "enabled_print_services";
5353
5354        /**
5355         * List of the disabled print services.
5356         *
5357         * @hide
5358         */
5359        public static final String DISABLED_PRINT_SERVICES =
5360            "disabled_print_services";
5361
5362        /**
5363         * The saved value for WindowManagerService.setForcedDisplayDensity()
5364         * formatted as a single integer representing DPI. If unset, then use
5365         * the real display density.
5366         *
5367         * @hide
5368         */
5369        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5370
5371        /**
5372         * Setting to always use the default text-to-speech settings regardless
5373         * of the application settings.
5374         * 1 = override application settings,
5375         * 0 = use application settings (if specified).
5376         *
5377         * @deprecated  The value of this setting is no longer respected by
5378         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5379         */
5380        @Deprecated
5381        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5382
5383        /**
5384         * Default text-to-speech engine speech rate. 100 = 1x
5385         */
5386        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5387
5388        /**
5389         * Default text-to-speech engine pitch. 100 = 1x
5390         */
5391        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5392
5393        /**
5394         * Default text-to-speech engine.
5395         */
5396        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5397
5398        /**
5399         * Default text-to-speech language.
5400         *
5401         * @deprecated this setting is no longer in use, as of the Ice Cream
5402         * Sandwich release. Apps should never need to read this setting directly,
5403         * instead can query the TextToSpeech framework classes for the default
5404         * locale. {@link TextToSpeech#getLanguage()}.
5405         */
5406        @Deprecated
5407        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5408
5409        /**
5410         * Default text-to-speech country.
5411         *
5412         * @deprecated this setting is no longer in use, as of the Ice Cream
5413         * Sandwich release. Apps should never need to read this setting directly,
5414         * instead can query the TextToSpeech framework classes for the default
5415         * locale. {@link TextToSpeech#getLanguage()}.
5416         */
5417        @Deprecated
5418        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5419
5420        /**
5421         * Default text-to-speech locale variant.
5422         *
5423         * @deprecated this setting is no longer in use, as of the Ice Cream
5424         * Sandwich release. Apps should never need to read this setting directly,
5425         * instead can query the TextToSpeech framework classes for the
5426         * locale that is in use {@link TextToSpeech#getLanguage()}.
5427         */
5428        @Deprecated
5429        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5430
5431        /**
5432         * Stores the default tts locales on a per engine basis. Stored as
5433         * a comma seperated list of values, each value being of the form
5434         * {@code engine_name:locale} for example,
5435         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5436         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5437         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5438         * setting directly, and can query the TextToSpeech framework classes
5439         * for the locale that is in use.
5440         *
5441         * @hide
5442         */
5443        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5444
5445        /**
5446         * Space delimited list of plugin packages that are enabled.
5447         */
5448        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5449
5450        /**
5451         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5452         * instead.
5453         */
5454        @Deprecated
5455        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5456                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5457
5458        /**
5459         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5460         * instead.
5461         */
5462        @Deprecated
5463        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5464                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5465
5466        /**
5467         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5468         * instead.
5469         */
5470        @Deprecated
5471        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5472                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5473
5474        /**
5475         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5476         * instead.
5477         */
5478        @Deprecated
5479        public static final String WIFI_ON = Global.WIFI_ON;
5480
5481        /**
5482         * The acceptable packet loss percentage (range 0 - 100) before trying
5483         * another AP on the same network.
5484         * @deprecated This setting is not used.
5485         */
5486        @Deprecated
5487        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5488                "wifi_watchdog_acceptable_packet_loss_percentage";
5489
5490        /**
5491         * The number of access points required for a network in order for the
5492         * watchdog to monitor it.
5493         * @deprecated This setting is not used.
5494         */
5495        @Deprecated
5496        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5497
5498        /**
5499         * The delay between background checks.
5500         * @deprecated This setting is not used.
5501         */
5502        @Deprecated
5503        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5504                "wifi_watchdog_background_check_delay_ms";
5505
5506        /**
5507         * Whether the Wi-Fi watchdog is enabled for background checking even
5508         * after it thinks the user has connected to a good access point.
5509         * @deprecated This setting is not used.
5510         */
5511        @Deprecated
5512        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5513                "wifi_watchdog_background_check_enabled";
5514
5515        /**
5516         * The timeout for a background ping
5517         * @deprecated This setting is not used.
5518         */
5519        @Deprecated
5520        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5521                "wifi_watchdog_background_check_timeout_ms";
5522
5523        /**
5524         * The number of initial pings to perform that *may* be ignored if they
5525         * fail. Again, if these fail, they will *not* be used in packet loss
5526         * calculation. For example, one network always seemed to time out for
5527         * the first couple pings, so this is set to 3 by default.
5528         * @deprecated This setting is not used.
5529         */
5530        @Deprecated
5531        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5532            "wifi_watchdog_initial_ignored_ping_count";
5533
5534        /**
5535         * The maximum number of access points (per network) to attempt to test.
5536         * If this number is reached, the watchdog will no longer monitor the
5537         * initial connection state for the network. This is a safeguard for
5538         * networks containing multiple APs whose DNS does not respond to pings.
5539         * @deprecated This setting is not used.
5540         */
5541        @Deprecated
5542        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5543
5544        /**
5545         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5546         */
5547        @Deprecated
5548        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5549
5550        /**
5551         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5552         * @deprecated This setting is not used.
5553         */
5554        @Deprecated
5555        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5556
5557        /**
5558         * The number of pings to test if an access point is a good connection.
5559         * @deprecated This setting is not used.
5560         */
5561        @Deprecated
5562        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5563
5564        /**
5565         * The delay between pings.
5566         * @deprecated This setting is not used.
5567         */
5568        @Deprecated
5569        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5570
5571        /**
5572         * The timeout per ping.
5573         * @deprecated This setting is not used.
5574         */
5575        @Deprecated
5576        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5577
5578        /**
5579         * @deprecated Use
5580         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5581         */
5582        @Deprecated
5583        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5584
5585        /**
5586         * @deprecated Use
5587         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5588         */
5589        @Deprecated
5590        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5591                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5592
5593        /**
5594         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5595         * the receivers of the PendingIntent an opportunity to make a new network request before
5596         * the Network satisfying the request is potentially removed.
5597         *
5598         * @hide
5599         */
5600        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5601                "connectivity_release_pending_intent_delay_ms";
5602
5603        /**
5604         * Whether background data usage is allowed.
5605         *
5606         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5607         *             availability of background data depends on several
5608         *             combined factors. When background data is unavailable,
5609         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5610         *             now appear disconnected.
5611         */
5612        @Deprecated
5613        public static final String BACKGROUND_DATA = "background_data";
5614
5615        /**
5616         * Origins for which browsers should allow geolocation by default.
5617         * The value is a space-separated list of origins.
5618         */
5619        public static final String ALLOWED_GEOLOCATION_ORIGINS
5620                = "allowed_geolocation_origins";
5621
5622        /**
5623         * The preferred TTY mode     0 = TTy Off, CDMA default
5624         *                            1 = TTY Full
5625         *                            2 = TTY HCO
5626         *                            3 = TTY VCO
5627         * @hide
5628         */
5629        public static final String PREFERRED_TTY_MODE =
5630                "preferred_tty_mode";
5631
5632        /**
5633         * Whether the enhanced voice privacy mode is enabled.
5634         * 0 = normal voice privacy
5635         * 1 = enhanced voice privacy
5636         * @hide
5637         */
5638        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5639
5640        /**
5641         * Whether the TTY mode mode is enabled.
5642         * 0 = disabled
5643         * 1 = enabled
5644         * @hide
5645         */
5646        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5647
5648        /**
5649         * Controls whether settings backup is enabled.
5650         * Type: int ( 0 = disabled, 1 = enabled )
5651         * @hide
5652         */
5653        public static final String BACKUP_ENABLED = "backup_enabled";
5654
5655        /**
5656         * Controls whether application data is automatically restored from backup
5657         * at install time.
5658         * Type: int ( 0 = disabled, 1 = enabled )
5659         * @hide
5660         */
5661        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5662
5663        /**
5664         * Indicates whether settings backup has been fully provisioned.
5665         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5666         * @hide
5667         */
5668        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5669
5670        /**
5671         * Component of the transport to use for backup/restore.
5672         * @hide
5673         */
5674        public static final String BACKUP_TRANSPORT = "backup_transport";
5675
5676        /**
5677         * Version for which the setup wizard was last shown.  Bumped for
5678         * each release when there is new setup information to show.
5679         * @hide
5680         */
5681        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5682
5683        /**
5684         * The interval in milliseconds after which Wi-Fi is considered idle.
5685         * When idle, it is possible for the device to be switched from Wi-Fi to
5686         * the mobile data network.
5687         * @hide
5688         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5689         * instead.
5690         */
5691        @Deprecated
5692        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5693
5694        /**
5695         * The global search provider chosen by the user (if multiple global
5696         * search providers are installed). This will be the provider returned
5697         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5698         * installed. This setting is stored as a flattened component name as
5699         * per {@link ComponentName#flattenToString()}.
5700         *
5701         * @hide
5702         */
5703        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5704                "search_global_search_activity";
5705
5706        /**
5707         * The number of promoted sources in GlobalSearch.
5708         * @hide
5709         */
5710        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5711        /**
5712         * The maximum number of suggestions returned by GlobalSearch.
5713         * @hide
5714         */
5715        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5716        /**
5717         * The number of suggestions GlobalSearch will ask each non-web search source for.
5718         * @hide
5719         */
5720        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5721        /**
5722         * The number of suggestions the GlobalSearch will ask the web search source for.
5723         * @hide
5724         */
5725        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5726                "search_web_results_override_limit";
5727        /**
5728         * The number of milliseconds that GlobalSearch will wait for suggestions from
5729         * promoted sources before continuing with all other sources.
5730         * @hide
5731         */
5732        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5733                "search_promoted_source_deadline_millis";
5734        /**
5735         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5736         * @hide
5737         */
5738        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5739        /**
5740         * The maximum number of milliseconds that GlobalSearch shows the previous results
5741         * after receiving a new query.
5742         * @hide
5743         */
5744        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5745        /**
5746         * The maximum age of log data used for shortcuts in GlobalSearch.
5747         * @hide
5748         */
5749        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5750        /**
5751         * The maximum age of log data used for source ranking in GlobalSearch.
5752         * @hide
5753         */
5754        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5755                "search_max_source_event_age_millis";
5756        /**
5757         * The minimum number of impressions needed to rank a source in GlobalSearch.
5758         * @hide
5759         */
5760        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5761                "search_min_impressions_for_source_ranking";
5762        /**
5763         * The minimum number of clicks needed to rank a source in GlobalSearch.
5764         * @hide
5765         */
5766        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5767                "search_min_clicks_for_source_ranking";
5768        /**
5769         * The maximum number of shortcuts shown by GlobalSearch.
5770         * @hide
5771         */
5772        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5773        /**
5774         * The size of the core thread pool for suggestion queries in GlobalSearch.
5775         * @hide
5776         */
5777        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5778                "search_query_thread_core_pool_size";
5779        /**
5780         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5781         * @hide
5782         */
5783        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5784                "search_query_thread_max_pool_size";
5785        /**
5786         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5787         * @hide
5788         */
5789        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5790                "search_shortcut_refresh_core_pool_size";
5791        /**
5792         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5793         * @hide
5794         */
5795        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5796                "search_shortcut_refresh_max_pool_size";
5797        /**
5798         * The maximun time that excess threads in the GlobalSeach thread pools will
5799         * wait before terminating.
5800         * @hide
5801         */
5802        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5803                "search_thread_keepalive_seconds";
5804        /**
5805         * The maximum number of concurrent suggestion queries to each source.
5806         * @hide
5807         */
5808        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5809                "search_per_source_concurrent_query_limit";
5810
5811        /**
5812         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5813         * @hide
5814         */
5815        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5816
5817        /**
5818         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5819         * @hide
5820         */
5821        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5822
5823        /**
5824         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5825         * @hide
5826         */
5827        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5828
5829        /**
5830         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5831         * @hide
5832         */
5833        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5834
5835        /**
5836         * If nonzero, ANRs in invisible background processes bring up a dialog.
5837         * Otherwise, the process will be silently killed.
5838         * @hide
5839         */
5840        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5841
5842        /**
5843         * The {@link ComponentName} string of the service to be used as the voice recognition
5844         * service.
5845         *
5846         * @hide
5847         */
5848        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5849
5850        /**
5851         * Stores whether an user has consented to have apps verified through PAM.
5852         * The value is boolean (1 or 0).
5853         *
5854         * @hide
5855         */
5856        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5857            "package_verifier_user_consent";
5858
5859        /**
5860         * The {@link ComponentName} string of the selected spell checker service which is
5861         * one of the services managed by the text service manager.
5862         *
5863         * @hide
5864         */
5865        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5866
5867        /**
5868         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5869         * service which is one of the services managed by the text service manager.
5870         *
5871         * @hide
5872         */
5873        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5874                "selected_spell_checker_subtype";
5875
5876        /**
5877         * The {@link ComponentName} string whether spell checker is enabled or not.
5878         *
5879         * @hide
5880         */
5881        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5882
5883        /**
5884         * What happens when the user presses the Power button while in-call
5885         * and the screen is on.<br/>
5886         * <b>Values:</b><br/>
5887         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5888         * 2 - The Power button hangs up the current call.<br/>
5889         *
5890         * @hide
5891         */
5892        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5893
5894        /**
5895         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5896         * @hide
5897         */
5898        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5899
5900        /**
5901         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5902         * @hide
5903         */
5904        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5905
5906        /**
5907         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5908         * @hide
5909         */
5910        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5911                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5912
5913        /**
5914         * Whether the device should wake when the wake gesture sensor detects motion.
5915         * @hide
5916         */
5917        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5918
5919        /**
5920         * Whether the device should doze if configured.
5921         * @hide
5922         */
5923        public static final String DOZE_ENABLED = "doze_enabled";
5924
5925        /**
5926         * The current night mode that has been selected by the user.  Owned
5927         * and controlled by UiModeManagerService.  Constants are as per
5928         * UiModeManager.
5929         * @hide
5930         */
5931        public static final String UI_NIGHT_MODE = "ui_night_mode";
5932
5933        /**
5934         * Whether screensavers are enabled.
5935         * @hide
5936         */
5937        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5938
5939        /**
5940         * The user's chosen screensaver components.
5941         *
5942         * These will be launched by the PhoneWindowManager after a timeout when not on
5943         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5944         * @hide
5945         */
5946        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5947
5948        /**
5949         * If screensavers are enabled, whether the screensaver should be automatically launched
5950         * when the device is inserted into a (desk) dock.
5951         * @hide
5952         */
5953        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5954
5955        /**
5956         * If screensavers are enabled, whether the screensaver should be automatically launched
5957         * when the screen times out when not on battery.
5958         * @hide
5959         */
5960        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5961
5962        /**
5963         * If screensavers are enabled, the default screensaver component.
5964         * @hide
5965         */
5966        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5967
5968        /**
5969         * The default NFC payment component
5970         * @hide
5971         */
5972        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5973
5974        /**
5975         * Whether NFC payment is handled by the foreground application or a default.
5976         * @hide
5977         */
5978        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5979
5980        /**
5981         * Specifies the package name currently configured to be the primary sms application
5982         * @hide
5983         */
5984        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5985
5986        /**
5987         * Specifies the package name currently configured to be the default dialer application
5988         * @hide
5989         */
5990        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5991
5992        /**
5993         * Specifies the package name currently configured to be the emergency assistance application
5994         *
5995         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5996         *
5997         * @hide
5998         */
5999        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
6000
6001        /**
6002         * Specifies whether the current app context on scren (assist data) will be sent to the
6003         * assist application (active voice interaction service).
6004         *
6005         * @hide
6006         */
6007        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
6008
6009        /**
6010         * Specifies whether a screenshot of the screen contents will be sent to the assist
6011         * application (active voice interaction service).
6012         *
6013         * @hide
6014         */
6015        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
6016
6017        /**
6018         * Names of the service components that the current user has explicitly allowed to
6019         * see all of the user's notifications, separated by ':'.
6020         *
6021         * @hide
6022         */
6023        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
6024
6025        /**
6026         * Names of the packages that the current user has explicitly allowed to
6027         * manage notification policy configuration, separated by ':'.
6028         *
6029         * @hide
6030         */
6031        @TestApi
6032        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
6033                "enabled_notification_policy_access_packages";
6034
6035        /** @hide */
6036        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
6037
6038        /** @hide */
6039        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
6040                = "volume_controller_service_component";
6041
6042        /** @hide */
6043        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
6044
6045        /**
6046         * This is the query URI for finding a print service to install.
6047         *
6048         * @hide
6049         */
6050        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
6051
6052        /**
6053         * This is the query URI for finding a NFC payment service to install.
6054         *
6055         * @hide
6056         */
6057        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
6058
6059        /**
6060         * If enabled, apps should try to skip any introductory hints on first launch. This might
6061         * apply to users that are already familiar with the environment or temporary users.
6062         * <p>
6063         * Type : int (0 to show hints, 1 to skip showing hints)
6064         */
6065        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
6066
6067        /**
6068         * Persisted playback time after a user confirmation of an unsafe volume level.
6069         *
6070         * @hide
6071         */
6072        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
6073
6074        /**
6075         * This preference enables notification display on the lockscreen.
6076         * @hide
6077         */
6078        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
6079                "lock_screen_show_notifications";
6080
6081        /**
6082         * List of TV inputs that are currently hidden. This is a string
6083         * containing the IDs of all hidden TV inputs. Each ID is encoded by
6084         * {@link android.net.Uri#encode(String)} and separated by ':'.
6085         * @hide
6086         */
6087        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
6088
6089        /**
6090         * List of custom TV input labels. This is a string containing <TV input id, custom name>
6091         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
6092         * and separated by ','. Each pair is separated by ':'.
6093         * @hide
6094         */
6095        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
6096
6097        /**
6098         * Whether automatic routing of system audio to USB audio peripheral is disabled.
6099         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
6100         * and 0 means automatic routing is enabled.
6101         *
6102         * @hide
6103         */
6104        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
6105                "usb_audio_automatic_routing_disabled";
6106
6107        /**
6108         * The timeout in milliseconds before the device fully goes to sleep after
6109         * a period of inactivity.  This value sets an upper bound on how long the device
6110         * will stay awake or dreaming without user activity.  It should generally
6111         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
6112         * will sleep before it ever has a chance to dream.
6113         * <p>
6114         * Use -1 to disable this timeout.
6115         * </p>
6116         *
6117         * @hide
6118         */
6119        public static final String SLEEP_TIMEOUT = "sleep_timeout";
6120
6121        /**
6122         * Controls whether double tap to wake is enabled.
6123         * @hide
6124         */
6125        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
6126
6127        /**
6128         * The current assistant component. It could be a voice interaction service,
6129         * or an activity that handles ACTION_ASSIST, or empty which means using the default
6130         * handling.
6131         *
6132         * @hide
6133         */
6134        public static final String ASSISTANT = "assistant";
6135
6136        /**
6137         * Whether the camera launch gesture should be disabled.
6138         *
6139         * @hide
6140         */
6141        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
6142
6143        /**
6144         * Whether the camera launch gesture to double tap the power button when the screen is off
6145         * should be disabled.
6146         *
6147         * @hide
6148         */
6149        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
6150                "camera_double_tap_power_gesture_disabled";
6151
6152        /**
6153         * Control whether Night display is currently activated.
6154         * @hide
6155         */
6156        public static final String NIGHT_DISPLAY_ACTIVATED = "night_display_activated";
6157
6158        /**
6159         * Control whether Night display will automatically activate/deactivate.
6160         * @hide
6161         */
6162        public static final String NIGHT_DISPLAY_AUTO_MODE = "night_display_auto_mode";
6163
6164        /**
6165         * Custom time when Night display is scheduled to activate.
6166         * Represented as milliseconds from midnight (e.g. 79200000 == 10pm).
6167         * @hide
6168         */
6169        public static final String NIGHT_DISPLAY_CUSTOM_START_TIME = "night_display_custom_start_time";
6170
6171        /**
6172         * Custom time when Night display is scheduled to deactivate.
6173         * Represented as milliseconds from midnight (e.g. 21600000 == 6am).
6174         * @hide
6175         */
6176        public static final String NIGHT_DISPLAY_CUSTOM_END_TIME = "night_display_custom_end_time";
6177
6178        /**
6179         * Behavior of twilight on the device.
6180         * One of {@link #TWILIGHT_MODE_LOCKED_OFF}, {@link #TWILIGHT_MODE_LOCKED_ON}
6181         * or {@link #TWILIGHT_MODE_AUTO}.
6182         * @hide
6183         */
6184        public static final String TWILIGHT_MODE = "twilight_mode";
6185
6186        /**
6187         * Twilight mode always off.
6188         * @hide
6189         */
6190        public static final int TWILIGHT_MODE_LOCKED_OFF = 0;
6191
6192        /**
6193         * Twilight mode always on.
6194         * @hide
6195         */
6196        public static final int TWILIGHT_MODE_LOCKED_ON = 1;
6197
6198        /**
6199         * Twilight mode auto.
6200         * @hide
6201         */
6202        public static final int TWILIGHT_MODE_AUTO = 2;
6203
6204        /**
6205         * Twilight mode auto, temporarily overriden to on.
6206         * @hide
6207         */
6208        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_OFF = 3;
6209
6210        /**
6211         * Twilight mode auto, temporarily overriden to off.
6212         * @hide
6213         */
6214        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_ON = 4;
6215
6216        /**
6217         * Whether brightness should automatically adjust based on twilight state.
6218         * @hide
6219         */
6220        public static final String BRIGHTNESS_USE_TWILIGHT = "brightness_use_twilight";
6221
6222        /**
6223         * Names of the service components that the current user has explicitly allowed to
6224         * be a VR mode listener, separated by ':'.
6225         *
6226         * @hide
6227         */
6228        public static final String ENABLED_VR_LISTENERS = "enabled_vr_listeners";
6229
6230        /**
6231         * Behavior of the display while in VR mode.
6232         *
6233         * One of {@link #VR_DISPLAY_MODE_LOW_PERSISTENCE} or {@link #VR_DISPLAY_MODE_OFF}.
6234         *
6235         * @hide
6236         */
6237        public static final String VR_DISPLAY_MODE = "vr_display_mode";
6238
6239        /**
6240         * Lower the display persistence while the system is in VR mode.
6241         *
6242         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6243         *
6244         * @hide.
6245         */
6246        public static final int VR_DISPLAY_MODE_LOW_PERSISTENCE = 0;
6247
6248        /**
6249         * Do not alter the display persistence while the system is in VR mode.
6250         *
6251         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6252         *
6253         * @hide.
6254         */
6255        public static final int VR_DISPLAY_MODE_OFF = 1;
6256
6257        /**
6258         * Whether parent user can access remote contact in managed profile.
6259         *
6260         * @hide
6261         */
6262        public static final String MANAGED_PROFILE_CONTACT_REMOTE_SEARCH =
6263                "managed_profile_contact_remote_search";
6264
6265        /**
6266         * Whether or not the automatic storage manager is enabled and should run on the device.
6267         *
6268         * @hide
6269         */
6270        public static final String AUTOMATIC_STORAGE_MANAGER_ENABLED =
6271                "automatic_storage_manager_enabled";
6272
6273        /**
6274         * How many days of information for the automatic storage manager to retain on the device.
6275         *
6276         * @hide
6277         */
6278        public static final String AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN =
6279                "automatic_storage_manager_days_to_retain";
6280
6281        /**
6282         * Default number of days of information for the automatic storage manager to retain.
6283         *
6284         * @hide
6285         */
6286        public static final int AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN_DEFAULT = 90;
6287
6288        /**
6289         * How many bytes the automatic storage manager has cleared out.
6290         *
6291         * @hide
6292         */
6293        public static final String AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED =
6294                "automatic_storage_manager_bytes_cleared";
6295
6296
6297        /**
6298         * Last run time for the automatic storage manager.
6299         *
6300         * @hide
6301         */
6302        public static final String AUTOMATIC_STORAGE_MANAGER_LAST_RUN =
6303                "automatic_storage_manager_last_run";
6304
6305
6306        /**
6307         * This are the settings to be backed up.
6308         *
6309         * NOTE: Settings are backed up and restored in the order they appear
6310         *       in this array. If you have one setting depending on another,
6311         *       make sure that they are ordered appropriately.
6312         *
6313         * @hide
6314         */
6315        public static final String[] SETTINGS_TO_BACKUP = {
6316            BUGREPORT_IN_POWER_MENU,                            // moved to global
6317            ALLOW_MOCK_LOCATION,
6318            PARENTAL_CONTROL_ENABLED,
6319            PARENTAL_CONTROL_REDIRECT_URL,
6320            USB_MASS_STORAGE_ENABLED,                           // moved to global
6321            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
6322            ACCESSIBILITY_DISPLAY_DALTONIZER,
6323            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
6324            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
6325            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
6326            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
6327            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
6328            ACCESSIBILITY_SCRIPT_INJECTION,
6329            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
6330            ENABLED_ACCESSIBILITY_SERVICES,
6331            ENABLED_NOTIFICATION_LISTENERS,
6332            ENABLED_VR_LISTENERS,
6333            ENABLED_INPUT_METHODS,
6334            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
6335            TOUCH_EXPLORATION_ENABLED,
6336            ACCESSIBILITY_ENABLED,
6337            ACCESSIBILITY_SPEAK_PASSWORD,
6338            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
6339            ACCESSIBILITY_CAPTIONING_PRESET,
6340            ACCESSIBILITY_CAPTIONING_ENABLED,
6341            ACCESSIBILITY_CAPTIONING_LOCALE,
6342            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
6343            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
6344            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
6345            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
6346            ACCESSIBILITY_CAPTIONING_TYPEFACE,
6347            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
6348            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
6349            TTS_USE_DEFAULTS,
6350            TTS_DEFAULT_RATE,
6351            TTS_DEFAULT_PITCH,
6352            TTS_DEFAULT_SYNTH,
6353            TTS_DEFAULT_LANG,
6354            TTS_DEFAULT_COUNTRY,
6355            TTS_ENABLED_PLUGINS,
6356            TTS_DEFAULT_LOCALE,
6357            SHOW_IME_WITH_HARD_KEYBOARD,
6358            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
6359            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
6360            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
6361            SELECTED_SPELL_CHECKER,
6362            SELECTED_SPELL_CHECKER_SUBTYPE,
6363            SPELL_CHECKER_ENABLED,
6364            MOUNT_PLAY_NOTIFICATION_SND,
6365            MOUNT_UMS_AUTOSTART,
6366            MOUNT_UMS_PROMPT,
6367            MOUNT_UMS_NOTIFY_ENABLED,
6368            SLEEP_TIMEOUT,
6369            DOUBLE_TAP_TO_WAKE,
6370            WAKE_GESTURE_ENABLED,
6371            LONG_PRESS_TIMEOUT,
6372            CAMERA_GESTURE_DISABLED,
6373            ACCESSIBILITY_AUTOCLICK_ENABLED,
6374            ACCESSIBILITY_AUTOCLICK_DELAY,
6375            ACCESSIBILITY_LARGE_POINTER_ICON,
6376            PREFERRED_TTY_MODE,
6377            ENHANCED_VOICE_PRIVACY_ENABLED,
6378            TTY_MODE_ENABLED,
6379            INCALL_POWER_BUTTON_BEHAVIOR
6380        };
6381
6382        /**
6383         * These entries are considered common between the personal and the managed profile,
6384         * since the managed profile doesn't get to change them.
6385         */
6386        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
6387
6388        static {
6389            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
6390            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
6391            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
6392            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
6393            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
6394            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
6395            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
6396            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
6397            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
6398            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
6399            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
6400            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
6401        }
6402
6403        /** @hide */
6404        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
6405            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6406        }
6407
6408        /**
6409         * Helper method for determining if a location provider is enabled.
6410         *
6411         * @param cr the content resolver to use
6412         * @param provider the location provider to query
6413         * @return true if the provider is enabled
6414         *
6415         * @deprecated use {@link #LOCATION_MODE} or
6416         *             {@link LocationManager#isProviderEnabled(String)}
6417         */
6418        @Deprecated
6419        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6420            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6421        }
6422
6423        /**
6424         * Helper method for determining if a location provider is enabled.
6425         * @param cr the content resolver to use
6426         * @param provider the location provider to query
6427         * @param userId the userId to query
6428         * @return true if the provider is enabled
6429         * @deprecated use {@link #LOCATION_MODE} or
6430         *             {@link LocationManager#isProviderEnabled(String)}
6431         * @hide
6432         */
6433        @Deprecated
6434        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6435            String allowedProviders = Settings.Secure.getStringForUser(cr,
6436                    LOCATION_PROVIDERS_ALLOWED, userId);
6437            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6438        }
6439
6440        /**
6441         * Thread-safe method for enabling or disabling a single location provider.
6442         * @param cr the content resolver to use
6443         * @param provider the location provider to enable or disable
6444         * @param enabled true if the provider should be enabled
6445         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6446         */
6447        @Deprecated
6448        public static final void setLocationProviderEnabled(ContentResolver cr,
6449                String provider, boolean enabled) {
6450            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6451        }
6452
6453        /**
6454         * Thread-safe method for enabling or disabling a single location provider.
6455         *
6456         * @param cr the content resolver to use
6457         * @param provider the location provider to enable or disable
6458         * @param enabled true if the provider should be enabled
6459         * @param userId the userId for which to enable/disable providers
6460         * @return true if the value was set, false on database errors
6461         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6462         *             {@link #LOCATION_MODE}
6463         * @hide
6464         */
6465        @Deprecated
6466        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6467                String provider, boolean enabled, int userId) {
6468            synchronized (mLocationSettingsLock) {
6469                // to ensure thread safety, we write the provider name with a '+' or '-'
6470                // and let the SettingsProvider handle it rather than reading and modifying
6471                // the list of enabled providers.
6472                if (enabled) {
6473                    provider = "+" + provider;
6474                } else {
6475                    provider = "-" + provider;
6476                }
6477                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6478                        userId);
6479            }
6480        }
6481
6482        /**
6483         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6484         */
6485        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6486            final int mode = getLocationModeForUser(cr, userId);
6487            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6488        }
6489
6490        /**
6491         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6492         */
6493        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6494            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6495                    LOCATION_MODE_HIGH_ACCURACY, userId);
6496            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6497            // turn on location any longer.
6498            if (mode == LOCATION_MODE_OFF) {
6499                mode = LOCATION_MODE_HIGH_ACCURACY;
6500            }
6501            return setLocationModeForUser(cr, mode, userId);
6502        }
6503
6504        /**
6505         * Thread-safe method for setting the location mode to one of
6506         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6507         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6508         *
6509         * @param cr the content resolver to use
6510         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6511         * @param userId the userId for which to change mode
6512         * @return true if the value was set, false on database errors
6513         *
6514         * @throws IllegalArgumentException if mode is not one of the supported values
6515         */
6516        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6517                int userId) {
6518            synchronized (mLocationSettingsLock) {
6519                boolean gps = false;
6520                boolean network = false;
6521                switch (mode) {
6522                    case LOCATION_MODE_PREVIOUS:
6523                        // Retrieve the actual mode and set to that mode.
6524                        return restoreLocationModeForUser(cr, userId);
6525                    case LOCATION_MODE_OFF:
6526                        saveLocationModeForUser(cr, userId);
6527                        break;
6528                    case LOCATION_MODE_SENSORS_ONLY:
6529                        gps = true;
6530                        break;
6531                    case LOCATION_MODE_BATTERY_SAVING:
6532                        network = true;
6533                        break;
6534                    case LOCATION_MODE_HIGH_ACCURACY:
6535                        gps = true;
6536                        network = true;
6537                        break;
6538                    default:
6539                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6540                }
6541                // Note it's important that we set the NLP mode first. The Google implementation
6542                // of NLP clears its NLP consent setting any time it receives a
6543                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6544                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6545                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6546                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6547                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6548                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6549                // dialog. Then the people who wrote the setup wizard would be sad.
6550                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6551                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6552                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6553                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6554                return gpsSuccess && nlpSuccess;
6555            }
6556        }
6557
6558        /**
6559         * Thread-safe method for reading the location mode, returns one of
6560         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6561         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6562         *
6563         * @param cr the content resolver to use
6564         * @param userId the userId for which to read the mode
6565         * @return the location mode
6566         */
6567        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6568            synchronized (mLocationSettingsLock) {
6569                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6570                        cr, LocationManager.GPS_PROVIDER, userId);
6571                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6572                        cr, LocationManager.NETWORK_PROVIDER, userId);
6573                if (gpsEnabled && networkEnabled) {
6574                    return LOCATION_MODE_HIGH_ACCURACY;
6575                } else if (gpsEnabled) {
6576                    return LOCATION_MODE_SENSORS_ONLY;
6577                } else if (networkEnabled) {
6578                    return LOCATION_MODE_BATTERY_SAVING;
6579                } else {
6580                    return LOCATION_MODE_OFF;
6581                }
6582            }
6583        }
6584    }
6585
6586    /**
6587     * Global system settings, containing preferences that always apply identically
6588     * to all defined users.  Applications can read these but are not allowed to write;
6589     * like the "Secure" settings, these are for preferences that the user must
6590     * explicitly modify through the system UI or specialized APIs for those values.
6591     */
6592    public static final class Global extends NameValueTable {
6593        /**
6594         * The content:// style URL for global secure settings items.  Not public.
6595         */
6596        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6597
6598        /**
6599         * Whether users are allowed to add more users or guest from lockscreen.
6600         * <p>
6601         * Type: int
6602         * @hide
6603         */
6604        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6605
6606        /**
6607         * Setting whether the global gesture for enabling accessibility is enabled.
6608         * If this gesture is enabled the user will be able to perfrom it to enable
6609         * the accessibility state without visiting the settings app.
6610         * @hide
6611         */
6612        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6613                "enable_accessibility_global_gesture_enabled";
6614
6615        /**
6616         * Whether Airplane Mode is on.
6617         */
6618        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6619
6620        /**
6621         * Whether Theater Mode is on.
6622         * {@hide}
6623         */
6624        @SystemApi
6625        public static final String THEATER_MODE_ON = "theater_mode_on";
6626
6627        /**
6628         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6629         */
6630        public static final String RADIO_BLUETOOTH = "bluetooth";
6631
6632        /**
6633         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6634         */
6635        public static final String RADIO_WIFI = "wifi";
6636
6637        /**
6638         * {@hide}
6639         */
6640        public static final String RADIO_WIMAX = "wimax";
6641        /**
6642         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6643         */
6644        public static final String RADIO_CELL = "cell";
6645
6646        /**
6647         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6648         */
6649        public static final String RADIO_NFC = "nfc";
6650
6651        /**
6652         * A comma separated list of radios that need to be disabled when airplane mode
6653         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6654         * included in the comma separated list.
6655         */
6656        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6657
6658        /**
6659         * A comma separated list of radios that should to be disabled when airplane mode
6660         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6661         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6662         * will be turned off when entering airplane mode, but the user will be able to reenable
6663         * Wifi in the Settings app.
6664         *
6665         * {@hide}
6666         */
6667        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6668
6669        /**
6670         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6671         * See {@link android.bluetooth.BluetoothProfile}.
6672         * {@hide}
6673         */
6674        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6675
6676        /**
6677         * A semi-colon separated list of Bluetooth interoperability workarounds.
6678         * Each entry is a partial Bluetooth device address string and an integer representing
6679         * the feature to be disabled, separated by a comma. The integer must correspond
6680         * to a interoperability feature as defined in "interop.h" in /system/bt.
6681         * <p>
6682         * Example: <br/>
6683         *   "00:11:22,0;01:02:03:04,2"
6684         * @hide
6685         */
6686       public static final String BLUETOOTH_INTEROPERABILITY_LIST = "bluetooth_interoperability_list";
6687
6688        /**
6689         * The policy for deciding when Wi-Fi should go to sleep (which will in
6690         * turn switch to using the mobile data as an Internet connection).
6691         * <p>
6692         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6693         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6694         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6695         */
6696        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6697
6698        /**
6699         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6700         * policy, which is to sleep shortly after the turning off
6701         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6702         */
6703        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6704
6705        /**
6706         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6707         * the device is on battery, and never go to sleep when the device is
6708         * plugged in.
6709         */
6710        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6711
6712        /**
6713         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6714         */
6715        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6716
6717        /**
6718         * Value to specify if the user prefers the date, time and time zone
6719         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6720         */
6721        public static final String AUTO_TIME = "auto_time";
6722
6723        /**
6724         * Value to specify if the user prefers the time zone
6725         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6726         */
6727        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6728
6729        /**
6730         * URI for the car dock "in" event sound.
6731         * @hide
6732         */
6733        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6734
6735        /**
6736         * URI for the car dock "out" event sound.
6737         * @hide
6738         */
6739        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6740
6741        /**
6742         * URI for the desk dock "in" event sound.
6743         * @hide
6744         */
6745        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6746
6747        /**
6748         * URI for the desk dock "out" event sound.
6749         * @hide
6750         */
6751        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6752
6753        /**
6754         * Whether to play a sound for dock events.
6755         * @hide
6756         */
6757        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6758
6759        /**
6760         * URI for the "device locked" (keyguard shown) sound.
6761         * @hide
6762         */
6763        public static final String LOCK_SOUND = "lock_sound";
6764
6765        /**
6766         * URI for the "device unlocked" sound.
6767         * @hide
6768         */
6769        public static final String UNLOCK_SOUND = "unlock_sound";
6770
6771        /**
6772         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6773         * state without unlocking.
6774         * @hide
6775         */
6776        public static final String TRUSTED_SOUND = "trusted_sound";
6777
6778        /**
6779         * URI for the low battery sound file.
6780         * @hide
6781         */
6782        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6783
6784        /**
6785         * Whether to play a sound for low-battery alerts.
6786         * @hide
6787         */
6788        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6789
6790        /**
6791         * URI for the "wireless charging started" sound.
6792         * @hide
6793         */
6794        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6795                "wireless_charging_started_sound";
6796
6797        /**
6798         * Whether to play a sound for charging events.
6799         * @hide
6800         */
6801        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6802
6803        /**
6804         * Whether we keep the device on while the device is plugged in.
6805         * Supported values are:
6806         * <ul>
6807         * <li>{@code 0} to never stay on while plugged in</li>
6808         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6809         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6810         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6811         * </ul>
6812         * These values can be OR-ed together.
6813         */
6814        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6815
6816        /**
6817         * When the user has enable the option to have a "bug report" command
6818         * in the power menu.
6819         * @hide
6820         */
6821        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6822
6823        /**
6824         * Whether ADB is enabled.
6825         */
6826        public static final String ADB_ENABLED = "adb_enabled";
6827
6828        /**
6829         * Whether Views are allowed to save their attribute data.
6830         * @hide
6831         */
6832        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6833
6834        /**
6835         * Whether assisted GPS should be enabled or not.
6836         * @hide
6837         */
6838        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6839
6840        /**
6841         * Whether bluetooth is enabled/disabled
6842         * 0=disabled. 1=enabled.
6843         */
6844        public static final String BLUETOOTH_ON = "bluetooth_on";
6845
6846        /**
6847         * CDMA Cell Broadcast SMS
6848         *                            0 = CDMA Cell Broadcast SMS disabled
6849         *                            1 = CDMA Cell Broadcast SMS enabled
6850         * @hide
6851         */
6852        public static final String CDMA_CELL_BROADCAST_SMS =
6853                "cdma_cell_broadcast_sms";
6854
6855        /**
6856         * The CDMA roaming mode 0 = Home Networks, CDMA default
6857         *                       1 = Roaming on Affiliated networks
6858         *                       2 = Roaming on any networks
6859         * @hide
6860         */
6861        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6862
6863        /**
6864         * The CDMA subscription mode 0 = RUIM/SIM (default)
6865         *                                1 = NV
6866         * @hide
6867         */
6868        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6869
6870        /** Inactivity timeout to track mobile data activity.
6871        *
6872        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6873        * infer the data activity of mobile network. After a period of no activity on mobile
6874        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6875        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6876        * subsequent activity on mobile networks triggers the firing of {@code
6877        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6878        *
6879        * Network activity refers to transmitting or receiving data on the network interfaces.
6880        *
6881        * Tracking is disabled if set to zero or negative value.
6882        *
6883        * @hide
6884        */
6885       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6886
6887       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6888        * but for Wifi network.
6889        * @hide
6890        */
6891       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6892
6893       /**
6894        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6895        */
6896       public static final String DATA_ROAMING = "data_roaming";
6897
6898       /**
6899        * The value passed to a Mobile DataConnection via bringUp which defines the
6900        * number of retries to preform when setting up the initial connection. The default
6901        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6902        * @hide
6903        */
6904       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6905
6906       /**
6907        * Whether any package can be on external storage. When this is true, any
6908        * package, regardless of manifest values, is a candidate for installing
6909        * or moving onto external storage. (0 = false, 1 = true)
6910        * @hide
6911        */
6912       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6913
6914        /**
6915         * Whether any activity can be resized. When this is true, any
6916         * activity, regardless of manifest values, can be resized for multi-window.
6917         * (0 = false, 1 = true)
6918         * @hide
6919         */
6920        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6921                = "force_resizable_activities";
6922
6923        /**
6924         * Whether to enable experimental freeform support for windows.
6925         * @hide
6926         */
6927        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6928                = "enable_freeform_support";
6929
6930       /**
6931        * Whether user has enabled development settings.
6932        */
6933       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6934
6935       /**
6936        * Whether the device has been provisioned (0 = false, 1 = true).
6937        * <p>On a multiuser device with a separate system user, the screen may be locked
6938        * as soon as this is set to true and further activities cannot be launched on the
6939        * system user unless they are marked to show over keyguard.
6940        */
6941       public static final String DEVICE_PROVISIONED = "device_provisioned";
6942
6943       /**
6944        * Whether mobile data should be allowed while the device is being provisioned.
6945        * This allows the provisioning process to turn off mobile data before the user
6946        * has an opportunity to set things up, preventing other processes from burning
6947        * precious bytes before wifi is setup.
6948        * (0 = false, 1 = true)
6949        * @hide
6950        */
6951       public static final String DEVICE_PROVISIONING_MOBILE_DATA_ENABLED =
6952               "device_provisioning_mobile_data";
6953
6954       /**
6955        * The saved value for WindowManagerService.setForcedDisplaySize().
6956        * Two integers separated by a comma.  If unset, then use the real display size.
6957        * @hide
6958        */
6959       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6960
6961       /**
6962        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6963        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6964        * @hide
6965        */
6966       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6967
6968       /**
6969        * The maximum size, in bytes, of a download that the download manager will transfer over
6970        * a non-wifi connection.
6971        * @hide
6972        */
6973       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6974               "download_manager_max_bytes_over_mobile";
6975
6976       /**
6977        * The recommended maximum size, in bytes, of a download that the download manager should
6978        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6979        * have the option to start the download over the mobile connection anyway.
6980        * @hide
6981        */
6982       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6983               "download_manager_recommended_max_bytes_over_mobile";
6984
6985       /**
6986        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6987        */
6988       @Deprecated
6989       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6990
6991       /**
6992        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6993        * sent or processed. (0 = false, 1 = true)
6994        * @hide
6995        */
6996       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6997
6998       /**
6999        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
7000        * and the output is redirected to AV Receiver connected via
7001        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
7002        * @hide
7003        */
7004       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
7005
7006       /**
7007        * Whether TV will automatically turn on upon reception of the CEC command
7008        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
7009        * @hide
7010        */
7011       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
7012               "hdmi_control_auto_wakeup_enabled";
7013
7014       /**
7015        * Whether TV will also turn off other CEC devices when it goes to standby mode.
7016        * (0 = false, 1 = true)
7017        * @hide
7018        */
7019       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
7020               "hdmi_control_auto_device_off_enabled";
7021
7022       /**
7023        * Whether TV will switch to MHL port when a mobile device is plugged in.
7024        * (0 = false, 1 = true)
7025        * @hide
7026        */
7027       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
7028
7029       /**
7030        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
7031        * @hide
7032        */
7033       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
7034
7035       /**
7036        * Whether mobile data connections are allowed by the user.  See
7037        * ConnectivityManager for more info.
7038        * @hide
7039        */
7040       public static final String MOBILE_DATA = "mobile_data";
7041
7042       /**
7043        * Whether the mobile data connection should remain active even when higher
7044        * priority networks like WiFi are active, to help make network switching faster.
7045        *
7046        * See ConnectivityService for more info.
7047        *
7048        * (0 = disabled, 1 = enabled)
7049        * @hide
7050        */
7051       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
7052
7053       /** {@hide} */
7054       public static final String NETSTATS_ENABLED = "netstats_enabled";
7055       /** {@hide} */
7056       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
7057       /** {@hide} */
7058       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
7059       /** {@hide} */
7060       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
7061       /** {@hide} */
7062       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
7063
7064       /** {@hide} */
7065       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
7066       /** {@hide} */
7067       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
7068       /** {@hide} */
7069       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
7070       /** {@hide} */
7071       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
7072
7073       /** {@hide} */
7074       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
7075       /** {@hide} */
7076       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
7077       /** {@hide} */
7078       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
7079       /** {@hide} */
7080       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
7081
7082       /** {@hide} */
7083       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
7084       /** {@hide} */
7085       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
7086       /** {@hide} */
7087       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
7088       /** {@hide} */
7089       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
7090
7091       /**
7092        * User preference for which network(s) should be used. Only the
7093        * connectivity service should touch this.
7094        */
7095       public static final String NETWORK_PREFERENCE = "network_preference";
7096
7097       /**
7098        * Which package name to use for network scoring. If null, or if the package is not a valid
7099        * scorer app, external network scores will neither be requested nor accepted.
7100        * @hide
7101        */
7102       public static final String NETWORK_SCORER_APP = "network_scorer_app";
7103
7104       /**
7105        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
7106        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
7107        * exceeded.
7108        * @hide
7109        */
7110       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
7111
7112       /**
7113        * The length of time in milli-seconds that automatic small adjustments to
7114        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
7115        * @hide
7116        */
7117       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
7118
7119       /** Preferred NTP server. {@hide} */
7120       public static final String NTP_SERVER = "ntp_server";
7121       /** Timeout in milliseconds to wait for NTP server. {@hide} */
7122       public static final String NTP_TIMEOUT = "ntp_timeout";
7123
7124       /** {@hide} */
7125       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
7126
7127       /**
7128        * Sample validity in seconds to configure for the system DNS resolver.
7129        * {@hide}
7130        */
7131       public static final String DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS =
7132               "dns_resolver_sample_validity_seconds";
7133
7134       /**
7135        * Success threshold in percent for use with the system DNS resolver.
7136        * {@hide}
7137        */
7138       public static final String DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT =
7139                "dns_resolver_success_threshold_percent";
7140
7141       /**
7142        * Minimum number of samples needed for statistics to be considered meaningful in the
7143        * system DNS resolver.
7144        * {@hide}
7145        */
7146       public static final String DNS_RESOLVER_MIN_SAMPLES = "dns_resolver_min_samples";
7147
7148       /**
7149        * Maximum number taken into account for statistics purposes in the system DNS resolver.
7150        * {@hide}
7151        */
7152       public static final String DNS_RESOLVER_MAX_SAMPLES = "dns_resolver_max_samples";
7153
7154       /**
7155        * Whether to disable the automatic scheduling of system updates.
7156        * 1 = system updates won't be automatically scheduled (will always
7157        * present notification instead).
7158        * 0 = system updates will be automatically scheduled. (default)
7159        * @hide
7160        */
7161       @SystemApi
7162       public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
7163
7164       /**
7165        * Whether the package manager should send package verification broadcasts for verifiers to
7166        * review apps prior to installation.
7167        * 1 = request apps to be verified prior to installation, if a verifier exists.
7168        * 0 = do not verify apps before installation
7169        * @hide
7170        */
7171       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
7172
7173       /** Timeout for package verification.
7174        * @hide */
7175       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
7176
7177       /** Default response code for package verification.
7178        * @hide */
7179       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
7180
7181       /**
7182        * Show package verification setting in the Settings app.
7183        * 1 = show (default)
7184        * 0 = hide
7185        * @hide
7186        */
7187       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
7188
7189       /**
7190        * Run package verification on apps installed through ADB/ADT/USB
7191        * 1 = perform package verification on ADB installs (default)
7192        * 0 = bypass package verification on ADB installs
7193        * @hide
7194        */
7195       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
7196
7197       /**
7198        * Time since last fstrim (milliseconds) after which we force one to happen
7199        * during device startup.  If unset, the default is 3 days.
7200        * @hide
7201        */
7202       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
7203
7204       /**
7205        * The interval in milliseconds at which to check packet counts on the
7206        * mobile data interface when screen is on, to detect possible data
7207        * connection problems.
7208        * @hide
7209        */
7210       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
7211               "pdp_watchdog_poll_interval_ms";
7212
7213       /**
7214        * The interval in milliseconds at which to check packet counts on the
7215        * mobile data interface when screen is off, to detect possible data
7216        * connection problems.
7217        * @hide
7218        */
7219       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
7220               "pdp_watchdog_long_poll_interval_ms";
7221
7222       /**
7223        * The interval in milliseconds at which to check packet counts on the
7224        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
7225        * outgoing packets has been reached without incoming packets.
7226        * @hide
7227        */
7228       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
7229               "pdp_watchdog_error_poll_interval_ms";
7230
7231       /**
7232        * The number of outgoing packets sent without seeing an incoming packet
7233        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
7234        * device is logged to the event log
7235        * @hide
7236        */
7237       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
7238               "pdp_watchdog_trigger_packet_count";
7239
7240       /**
7241        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
7242        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
7243        * attempting data connection recovery.
7244        * @hide
7245        */
7246       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
7247               "pdp_watchdog_error_poll_count";
7248
7249       /**
7250        * The number of failed PDP reset attempts before moving to something more
7251        * drastic: re-registering to the network.
7252        * @hide
7253        */
7254       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
7255               "pdp_watchdog_max_pdp_reset_fail_count";
7256
7257       /**
7258        * A positive value indicates how often the SamplingProfiler
7259        * should take snapshots. Zero value means SamplingProfiler
7260        * is disabled.
7261        *
7262        * @hide
7263        */
7264       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
7265
7266       /**
7267        * URL to open browser on to allow user to manage a prepay account
7268        * @hide
7269        */
7270       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
7271               "setup_prepaid_data_service_url";
7272
7273       /**
7274        * URL to attempt a GET on to see if this is a prepay device
7275        * @hide
7276        */
7277       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
7278               "setup_prepaid_detection_target_url";
7279
7280       /**
7281        * Host to check for a redirect to after an attempt to GET
7282        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
7283        * this is a prepaid device with zero balance.)
7284        * @hide
7285        */
7286       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
7287               "setup_prepaid_detection_redir_host";
7288
7289       /**
7290        * The interval in milliseconds at which to check the number of SMS sent out without asking
7291        * for use permit, to limit the un-authorized SMS usage.
7292        *
7293        * @hide
7294        */
7295       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
7296               "sms_outgoing_check_interval_ms";
7297
7298       /**
7299        * The number of outgoing SMS sent without asking for user permit (of {@link
7300        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
7301        *
7302        * @hide
7303        */
7304       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
7305               "sms_outgoing_check_max_count";
7306
7307       /**
7308        * Used to disable SMS short code confirmation - defaults to true.
7309        * True indcates we will do the check, etc.  Set to false to disable.
7310        * @see com.android.internal.telephony.SmsUsageMonitor
7311        * @hide
7312        */
7313       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
7314
7315        /**
7316         * Used to select which country we use to determine premium sms codes.
7317         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
7318         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
7319         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
7320         * @hide
7321         */
7322        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
7323
7324       /**
7325        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
7326        * @hide
7327        */
7328       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
7329
7330       /**
7331        * Used to disable Tethering on a device - defaults to true
7332        * @hide
7333        */
7334       public static final String TETHER_SUPPORTED = "tether_supported";
7335
7336       /**
7337        * Used to require DUN APN on the device or not - defaults to a build config value
7338        * which defaults to false
7339        * @hide
7340        */
7341       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
7342
7343       /**
7344        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
7345        * corresponding build config values are set it will override the APN DB
7346        * values.
7347        * Consists of a comma seperated list of strings:
7348        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
7349        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
7350        * @hide
7351        */
7352       public static final String TETHER_DUN_APN = "tether_dun_apn";
7353
7354       /**
7355        * List of carrier apps which are whitelisted to prompt the user for install when
7356        * a sim card with matching uicc carrier privilege rules is inserted.
7357        *
7358        * The value is "package1;package2;..."
7359        * @hide
7360        */
7361       public static final String CARRIER_APP_WHITELIST = "carrier_app_whitelist";
7362
7363       /**
7364        * USB Mass Storage Enabled
7365        */
7366       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
7367
7368       /**
7369        * If this setting is set (to anything), then all references
7370        * to Gmail on the device must change to Google Mail.
7371        */
7372       public static final String USE_GOOGLE_MAIL = "use_google_mail";
7373
7374        /**
7375         * Webview Data reduction proxy key.
7376         * @hide
7377         */
7378        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
7379                "webview_data_reduction_proxy_key";
7380
7381        /**
7382         * Whether or not the WebView fallback mechanism should be enabled.
7383         * 0=disabled, 1=enabled.
7384         * @hide
7385         */
7386        public static final String WEBVIEW_FALLBACK_LOGIC_ENABLED =
7387                "webview_fallback_logic_enabled";
7388
7389        /**
7390         * Name of the package used as WebView provider (if unset the provider is instead determined
7391         * by the system).
7392         * @hide
7393         */
7394        public static final String WEBVIEW_PROVIDER = "webview_provider";
7395
7396        /**
7397         * Developer setting to enable WebView multiprocess rendering.
7398         * @hide
7399         */
7400        @SystemApi
7401        public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
7402
7403       /**
7404        * Whether Wifi display is enabled/disabled
7405        * 0=disabled. 1=enabled.
7406        * @hide
7407        */
7408       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
7409
7410       /**
7411        * Whether Wifi display certification mode is enabled/disabled
7412        * 0=disabled. 1=enabled.
7413        * @hide
7414        */
7415       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
7416               "wifi_display_certification_on";
7417
7418       /**
7419        * WPS Configuration method used by Wifi display, this setting only
7420        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
7421        *
7422        * Possible values are:
7423        *
7424        * WpsInfo.INVALID: use default WPS method chosen by framework
7425        * WpsInfo.PBC    : use Push button
7426        * WpsInfo.KEYPAD : use Keypad
7427        * WpsInfo.DISPLAY: use Display
7428        * @hide
7429        */
7430       public static final String WIFI_DISPLAY_WPS_CONFIG =
7431           "wifi_display_wps_config";
7432
7433       /**
7434        * Whether to notify the user of open networks.
7435        * <p>
7436        * If not connected and the scan results have an open network, we will
7437        * put this notification up. If we attempt to connect to a network or
7438        * the open network(s) disappear, we remove the notification. When we
7439        * show the notification, we will not show it again for
7440        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
7441        */
7442       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7443               "wifi_networks_available_notification_on";
7444       /**
7445        * {@hide}
7446        */
7447       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7448               "wimax_networks_available_notification_on";
7449
7450       /**
7451        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
7452        * Connecting to a network will reset the timer.
7453        */
7454       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
7455               "wifi_networks_available_repeat_delay";
7456
7457       /**
7458        * 802.11 country code in ISO 3166 format
7459        * @hide
7460        */
7461       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
7462
7463       /**
7464        * The interval in milliseconds to issue wake up scans when wifi needs
7465        * to connect. This is necessary to connect to an access point when
7466        * device is on the move and the screen is off.
7467        * @hide
7468        */
7469       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
7470               "wifi_framework_scan_interval_ms";
7471
7472       /**
7473        * The interval in milliseconds after which Wi-Fi is considered idle.
7474        * When idle, it is possible for the device to be switched from Wi-Fi to
7475        * the mobile data network.
7476        * @hide
7477        */
7478       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
7479
7480       /**
7481        * When the number of open networks exceeds this number, the
7482        * least-recently-used excess networks will be removed.
7483        */
7484       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
7485
7486       /**
7487        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7488        */
7489       public static final String WIFI_ON = "wifi_on";
7490
7491       /**
7492        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7493        * @hide
7494        */
7495       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7496                "wifi_scan_always_enabled";
7497
7498       /**
7499        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7500        * connectivity.
7501        * @hide
7502        */
7503       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7504               "ble_scan_always_enabled";
7505
7506       /**
7507        * Used to save the Wifi_ON state prior to tethering.
7508        * This state will be checked to restore Wifi after
7509        * the user turns off tethering.
7510        *
7511        * @hide
7512        */
7513       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7514
7515       /**
7516        * The interval in milliseconds to scan as used by the wifi supplicant
7517        * @hide
7518        */
7519       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7520               "wifi_supplicant_scan_interval_ms";
7521
7522        /**
7523         * whether frameworks handles wifi auto-join
7524         * @hide
7525         */
7526       public static final String WIFI_ENHANCED_AUTO_JOIN =
7527                "wifi_enhanced_auto_join";
7528
7529        /**
7530         * whether settings show RSSI
7531         * @hide
7532         */
7533        public static final String WIFI_NETWORK_SHOW_RSSI =
7534                "wifi_network_show_rssi";
7535
7536        /**
7537        * The interval in milliseconds to scan at supplicant when p2p is connected
7538        * @hide
7539        */
7540       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7541               "wifi_scan_interval_p2p_connected_ms";
7542
7543       /**
7544        * Whether the Wi-Fi watchdog is enabled.
7545        */
7546       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7547
7548       /**
7549        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7550        * the setting needs to be set to 0 to disable it.
7551        * @hide
7552        */
7553       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7554               "wifi_watchdog_poor_network_test_enabled";
7555
7556       /**
7557        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7558        * needs to be set to 0 to disable it.
7559        * @hide
7560        */
7561       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7562               "wifi_suspend_optimizations_enabled";
7563
7564       /**
7565        * Setting to enable verbose logging in Wi-Fi; disabled by default, and setting to 1
7566        * will enable it. In the future, additional values may be supported.
7567        * @hide
7568        */
7569       public static final String WIFI_VERBOSE_LOGGING_ENABLED =
7570               "wifi_verbose_logging_enabled";
7571
7572       /**
7573        * The maximum number of times we will retry a connection to an access
7574        * point for which we have failed in acquiring an IP address from DHCP.
7575        * A value of N means that we will make N+1 connection attempts in all.
7576        */
7577       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7578
7579       /**
7580        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7581        * data connectivity to be established after a disconnect from Wi-Fi.
7582        */
7583       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7584           "wifi_mobile_data_transition_wakelock_timeout_ms";
7585
7586       /**
7587        * This setting controls whether WiFi configurations created by a Device Owner app
7588        * should be locked down (that is, be editable or removable only by the Device Owner App,
7589        * not even by Settings app).
7590        * This setting takes integer values. Non-zero values mean DO created configurations
7591        * are locked down. Value of zero means they are not. Default value in the absence of
7592        * actual value to this setting is 0.
7593        */
7594       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7595               "wifi_device_owner_configs_lockdown";
7596
7597       /**
7598        * The operational wifi frequency band
7599        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7600        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7601        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7602        *
7603        * @hide
7604        */
7605       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7606
7607       /**
7608        * The Wi-Fi peer-to-peer device name
7609        * @hide
7610        */
7611       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7612
7613       /**
7614        * The min time between wifi disable and wifi enable
7615        * @hide
7616        */
7617       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7618
7619       /**
7620        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7621        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7622        * has been seen in this time period.
7623        *
7624        * If this is less than or equal to zero, we use a more conservative behavior and only check
7625        * for a non-null score from the currently connected or target BSSID.
7626        * @hide
7627        */
7628       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7629               "wifi_ephemeral_out_of_range_timeout_ms";
7630
7631       /**
7632        * The number of milliseconds to delay when checking for data stalls during
7633        * non-aggressive detection. (screen is turned off.)
7634        * @hide
7635        */
7636       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7637               "data_stall_alarm_non_aggressive_delay_in_ms";
7638
7639       /**
7640        * The number of milliseconds to delay when checking for data stalls during
7641        * aggressive detection. (screen on or suspected data stall)
7642        * @hide
7643        */
7644       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7645               "data_stall_alarm_aggressive_delay_in_ms";
7646
7647       /**
7648        * The number of milliseconds to allow the provisioning apn to remain active
7649        * @hide
7650        */
7651       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7652               "provisioning_apn_alarm_delay_in_ms";
7653
7654       /**
7655        * The interval in milliseconds at which to check gprs registration
7656        * after the first registration mismatch of gprs and voice service,
7657        * to detect possible data network registration problems.
7658        *
7659        * @hide
7660        */
7661       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7662               "gprs_register_check_period_ms";
7663
7664       /**
7665        * Nonzero causes Log.wtf() to crash.
7666        * @hide
7667        */
7668       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7669
7670       /**
7671        * Ringer mode. This is used internally, changing this value will not
7672        * change the ringer mode. See AudioManager.
7673        */
7674       public static final String MODE_RINGER = "mode_ringer";
7675
7676       /**
7677        * Overlay display devices setting.
7678        * The associated value is a specially formatted string that describes the
7679        * size and density of simulated secondary display devices.
7680        * <p>
7681        * Format: {width}x{height}/{dpi};...
7682        * </p><p>
7683        * Example:
7684        * <ul>
7685        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7686        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7687        * at 1080p and the second at 720p.</li>
7688        * <li>If the value is empty, then no overlay display devices are created.</li>
7689        * </ul></p>
7690        *
7691        * @hide
7692        */
7693       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7694
7695        /**
7696         * Threshold values for the duration and level of a discharge cycle,
7697         * under which we log discharge cycle info.
7698         *
7699         * @hide
7700         */
7701        public static final String
7702                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7703
7704        /** @hide */
7705        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7706
7707        /**
7708         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7709         * intents on application crashes and ANRs. If this is disabled, the
7710         * crash/ANR dialog will never display the "Report" button.
7711         * <p>
7712         * Type: int (0 = disallow, 1 = allow)
7713         *
7714         * @hide
7715         */
7716        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7717
7718        /**
7719         * Maximum age of entries kept by {@link DropBoxManager}.
7720         *
7721         * @hide
7722         */
7723        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7724
7725        /**
7726         * Maximum number of entry files which {@link DropBoxManager} will keep
7727         * around.
7728         *
7729         * @hide
7730         */
7731        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7732
7733        /**
7734         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7735         * what.
7736         *
7737         * @hide
7738         */
7739        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7740
7741        /**
7742         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7743         * will use.
7744         *
7745         * @hide
7746         */
7747        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7748
7749        /**
7750         * Percent of total disk which {@link DropBoxManager} will never dip
7751         * into.
7752         *
7753         * @hide
7754         */
7755        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7756
7757        /**
7758         * Prefix for per-tag dropbox disable/enable settings.
7759         *
7760         * @hide
7761         */
7762        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7763
7764        /**
7765         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7766         * prefix of the dropbox tag of the report type. For example,
7767         * "logcat_for_system_server_anr" controls the lines of logcat captured
7768         * with system server ANR reports. 0 to disable.
7769         *
7770         * @hide
7771         */
7772        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7773
7774        /**
7775         * The interval in minutes after which the amount of free storage left
7776         * on the device is logged to the event log
7777         *
7778         * @hide
7779         */
7780        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7781
7782        /**
7783         * Threshold for the amount of change in disk free space required to
7784         * report the amount of free space. Used to prevent spamming the logs
7785         * when the disk free space isn't changing frequently.
7786         *
7787         * @hide
7788         */
7789        public static final String
7790                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7791
7792        /**
7793         * Minimum percentage of free storage on the device that is used to
7794         * determine if the device is running low on storage. The default is 10.
7795         * <p>
7796         * Say this value is set to 10, the device is considered running low on
7797         * storage if 90% or more of the device storage is filled up.
7798         *
7799         * @hide
7800         */
7801        public static final String
7802                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7803
7804        /**
7805         * Maximum byte size of the low storage threshold. This is to ensure
7806         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7807         * overly large threshold for large storage devices. Currently this must
7808         * be less than 2GB. This default is 500MB.
7809         *
7810         * @hide
7811         */
7812        public static final String
7813                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7814
7815        /**
7816         * Minimum bytes of free storage on the device before the data partition
7817         * is considered full. By default, 1 MB is reserved to avoid system-wide
7818         * SQLite disk full exceptions.
7819         *
7820         * @hide
7821         */
7822        public static final String
7823                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7824
7825        /**
7826         * The maximum reconnect delay for short network outages or when the
7827         * network is suspended due to phone use.
7828         *
7829         * @hide
7830         */
7831        public static final String
7832                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7833
7834        /**
7835         * The number of milliseconds to delay before sending out
7836         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7837         *
7838         * @hide
7839         */
7840        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7841
7842
7843        /**
7844         * Network sampling interval, in seconds. We'll generate link information
7845         * about bytes/packets sent and error rates based on data sampled in this interval
7846         *
7847         * @hide
7848         */
7849
7850        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7851                "connectivity_sampling_interval_in_seconds";
7852
7853        /**
7854         * The series of successively longer delays used in retrying to download PAC file.
7855         * Last delay is used between successful PAC downloads.
7856         *
7857         * @hide
7858         */
7859        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7860
7861        /**
7862         * Setting to turn off captive portal detection. Feature is enabled by
7863         * default and the setting needs to be set to 0 to disable it.
7864         *
7865         * @hide
7866         */
7867        public static final String
7868                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7869
7870        /**
7871         * The server used for captive portal detection upon a new conection. A
7872         * 204 response code from the server is used for validation.
7873         *
7874         * @hide
7875         */
7876        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7877
7878        /**
7879         * Whether to use HTTPS for network validation. This is enabled by default and the setting
7880         * needs to be set to 0 to disable it. This setting is a misnomer because captive portals
7881         * don't actually use HTTPS, but it's consistent with the other settings.
7882         *
7883         * @hide
7884         */
7885        public static final String CAPTIVE_PORTAL_USE_HTTPS = "captive_portal_use_https";
7886
7887        /**
7888         * Whether network service discovery is enabled.
7889         *
7890         * @hide
7891         */
7892        public static final String NSD_ON = "nsd_on";
7893
7894        /**
7895         * Let user pick default install location.
7896         *
7897         * @hide
7898         */
7899        public static final String SET_INSTALL_LOCATION = "set_install_location";
7900
7901        /**
7902         * Default install location value.
7903         * 0 = auto, let system decide
7904         * 1 = internal
7905         * 2 = sdcard
7906         * @hide
7907         */
7908        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7909
7910        /**
7911         * ms during which to consume extra events related to Inet connection
7912         * condition after a transtion to fully-connected
7913         *
7914         * @hide
7915         */
7916        public static final String
7917                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7918
7919        /**
7920         * ms during which to consume extra events related to Inet connection
7921         * condtion after a transtion to partly-connected
7922         *
7923         * @hide
7924         */
7925        public static final String
7926                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7927
7928        /** {@hide} */
7929        public static final String
7930                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7931
7932        /**
7933         * Host name and port for global http proxy. Uses ':' seperator for
7934         * between host and port.
7935         */
7936        public static final String HTTP_PROXY = "http_proxy";
7937
7938        /**
7939         * Host name for global http proxy. Set via ConnectivityManager.
7940         *
7941         * @hide
7942         */
7943        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7944
7945        /**
7946         * Integer host port for global http proxy. Set via ConnectivityManager.
7947         *
7948         * @hide
7949         */
7950        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7951
7952        /**
7953         * Exclusion list for global proxy. This string contains a list of
7954         * comma-separated domains where the global proxy does not apply.
7955         * Domains should be listed in a comma- separated list. Example of
7956         * acceptable formats: ".domain1.com,my.domain2.com" Use
7957         * ConnectivityManager to set/get.
7958         *
7959         * @hide
7960         */
7961        public static final String
7962                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7963
7964        /**
7965         * The location PAC File for the proxy.
7966         * @hide
7967         */
7968        public static final String
7969                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7970
7971        /**
7972         * Enables the UI setting to allow the user to specify the global HTTP
7973         * proxy and associated exclusion list.
7974         *
7975         * @hide
7976         */
7977        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7978
7979        /**
7980         * Setting for default DNS in case nobody suggests one
7981         *
7982         * @hide
7983         */
7984        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7985
7986        /** {@hide} */
7987        public static final String
7988                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7989        /** {@hide} */
7990        public static final String
7991                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7992        /** {@hide} */
7993        public static final String
7994                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7995        /** {@hide} */
7996        public static final String
7997                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7998        /** {@hide} */
7999        public static final String
8000                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
8001        /** {@hide} */
8002        public static final String
8003                BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX = "bluetooth_pbap_client_priority_";
8004        /** {@hide} */
8005        public static final String
8006                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
8007
8008        /**
8009         * Device Idle (Doze) specific settings.
8010         * This is encoded as a key=value list, separated by commas. Ex:
8011         *
8012         * "inactive_to=60000,sensing_to=400000"
8013         *
8014         * The following keys are supported:
8015         *
8016         * <pre>
8017         * inactive_to                      (long)
8018         * sensing_to                       (long)
8019         * motion_inactive_to               (long)
8020         * idle_after_inactive_to           (long)
8021         * idle_pending_to                  (long)
8022         * max_idle_pending_to              (long)
8023         * idle_pending_factor              (float)
8024         * idle_to                          (long)
8025         * max_idle_to                      (long)
8026         * idle_factor                      (float)
8027         * min_time_to_alarm                (long)
8028         * max_temp_app_whitelist_duration  (long)
8029         * notification_whitelist_duration  (long)
8030         * </pre>
8031         *
8032         * <p>
8033         * Type: string
8034         * @hide
8035         * @see com.android.server.DeviceIdleController.Constants
8036         */
8037        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
8038
8039        /**
8040         * Device Idle (Doze) specific settings for watches. See {@code #DEVICE_IDLE_CONSTANTS}
8041         *
8042         * <p>
8043         * Type: string
8044         * @hide
8045         * @see com.android.server.DeviceIdleController.Constants
8046         */
8047        public static final String DEVICE_IDLE_CONSTANTS_WATCH = "device_idle_constants_watch";
8048
8049        /**
8050         * App standby (app idle) specific settings.
8051         * This is encoded as a key=value list, separated by commas. Ex:
8052         *
8053         * "idle_duration=5000,parole_interval=4500"
8054         *
8055         * The following keys are supported:
8056         *
8057         * <pre>
8058         * idle_duration2       (long)
8059         * wallclock_threshold  (long)
8060         * parole_interval      (long)
8061         * parole_duration      (long)
8062         *
8063         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
8064         * </pre>
8065         *
8066         * <p>
8067         * Type: string
8068         * @hide
8069         * @see com.android.server.usage.UsageStatsService.SettingsObserver
8070         */
8071        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
8072
8073        /**
8074         * Alarm manager specific settings.
8075         * This is encoded as a key=value list, separated by commas. Ex:
8076         *
8077         * "min_futurity=5000,allow_while_idle_short_time=4500"
8078         *
8079         * The following keys are supported:
8080         *
8081         * <pre>
8082         * min_futurity                         (long)
8083         * min_interval                         (long)
8084         * allow_while_idle_short_time          (long)
8085         * allow_while_idle_long_time           (long)
8086         * allow_while_idle_whitelist_duration  (long)
8087         * </pre>
8088         *
8089         * <p>
8090         * Type: string
8091         * @hide
8092         * @see com.android.server.AlarmManagerService.Constants
8093         */
8094        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
8095
8096        /**
8097         * Job scheduler specific settings.
8098         * This is encoded as a key=value list, separated by commas. Ex:
8099         *
8100         * "min_ready_jobs_count=2,moderate_use_factor=.5"
8101         *
8102         * The following keys are supported:
8103         *
8104         * <pre>
8105         * min_idle_count                       (int)
8106         * min_charging_count                   (int)
8107         * min_connectivity_count               (int)
8108         * min_content_count                    (int)
8109         * min_ready_jobs_count                 (int)
8110         * heavy_use_factor                     (float)
8111         * moderate_use_factor                  (float)
8112         * fg_job_count                         (int)
8113         * bg_normal_job_count                  (int)
8114         * bg_moderate_job_count                (int)
8115         * bg_low_job_count                     (int)
8116         * bg_critical_job_count                (int)
8117         * </pre>
8118         *
8119         * <p>
8120         * Type: string
8121         * @hide
8122         * @see com.android.server.job.JobSchedulerService.Constants
8123         */
8124        public static final String JOB_SCHEDULER_CONSTANTS = "job_scheduler_constants";
8125
8126        /**
8127         * ShortcutManager specific settings.
8128         * This is encoded as a key=value list, separated by commas. Ex:
8129         *
8130         * "reset_interval_sec=86400,max_updates_per_interval=1"
8131         *
8132         * The following keys are supported:
8133         *
8134         * <pre>
8135         * reset_interval_sec              (long)
8136         * max_updates_per_interval        (int)
8137         * max_icon_dimension_dp           (int, DP)
8138         * max_icon_dimension_dp_lowram    (int, DP)
8139         * max_shortcuts                   (int)
8140         * icon_quality                    (int, 0-100)
8141         * icon_format                     (String)
8142         * </pre>
8143         *
8144         * <p>
8145         * Type: string
8146         * @hide
8147         * @see com.android.server.pm.ShortcutService.ConfigConstants
8148         */
8149        public static final String SHORTCUT_MANAGER_CONSTANTS = "shortcut_manager_constants";
8150
8151        /**
8152         * Get the key that retrieves a bluetooth headset's priority.
8153         * @hide
8154         */
8155        public static final String getBluetoothHeadsetPriorityKey(String address) {
8156            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8157        }
8158
8159        /**
8160         * Get the key that retrieves a bluetooth a2dp sink's priority.
8161         * @hide
8162         */
8163        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
8164            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8165        }
8166
8167        /**
8168         * Get the key that retrieves a bluetooth a2dp src's priority.
8169         * @hide
8170         */
8171        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
8172            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8173        }
8174
8175        /**
8176         * Get the key that retrieves a bluetooth Input Device's priority.
8177         * @hide
8178         */
8179        public static final String getBluetoothInputDevicePriorityKey(String address) {
8180            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8181        }
8182
8183        /**
8184         * Get the key that retrieves a bluetooth map priority.
8185         * @hide
8186         */
8187        public static final String getBluetoothMapPriorityKey(String address) {
8188            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8189        }
8190
8191        /**
8192         * Get the key that retrieves a bluetooth pbap client priority.
8193         * @hide
8194         */
8195        public static final String getBluetoothPbapClientPriorityKey(String address) {
8196            return BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8197        }
8198
8199        /**
8200         * Get the key that retrieves a bluetooth map priority.
8201         * @hide
8202         */
8203        public static final String getBluetoothSapPriorityKey(String address) {
8204            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8205        }
8206
8207        /**
8208         * Scaling factor for normal window animations. Setting to 0 will
8209         * disable window animations.
8210         */
8211        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
8212
8213        /**
8214         * Scaling factor for activity transition animations. Setting to 0 will
8215         * disable window animations.
8216         */
8217        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
8218
8219        /**
8220         * Scaling factor for Animator-based animations. This affects both the
8221         * start delay and duration of all such animations. Setting to 0 will
8222         * cause animations to end immediately. The default value is 1.
8223         */
8224        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
8225
8226        /**
8227         * Scaling factor for normal window animations. Setting to 0 will
8228         * disable window animations.
8229         *
8230         * @hide
8231         */
8232        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
8233
8234        /**
8235         * If 0, the compatibility mode is off for all applications.
8236         * If 1, older applications run under compatibility mode.
8237         * TODO: remove this settings before code freeze (bug/1907571)
8238         * @hide
8239         */
8240        public static final String COMPATIBILITY_MODE = "compatibility_mode";
8241
8242        /**
8243         * CDMA only settings
8244         * Emergency Tone  0 = Off
8245         *                 1 = Alert
8246         *                 2 = Vibrate
8247         * @hide
8248         */
8249        public static final String EMERGENCY_TONE = "emergency_tone";
8250
8251        /**
8252         * CDMA only settings
8253         * Whether the auto retry is enabled. The value is
8254         * boolean (1 or 0).
8255         * @hide
8256         */
8257        public static final String CALL_AUTO_RETRY = "call_auto_retry";
8258
8259        /**
8260         * See RIL_PreferredNetworkType in ril.h
8261         * @hide
8262         */
8263        public static final String PREFERRED_NETWORK_MODE =
8264                "preferred_network_mode";
8265
8266        /**
8267         * Name of an application package to be debugged.
8268         */
8269        public static final String DEBUG_APP = "debug_app";
8270
8271        /**
8272         * If 1, when launching DEBUG_APP it will wait for the debugger before
8273         * starting user code.  If 0, it will run normally.
8274         */
8275        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
8276
8277        /**
8278         * Control whether the process CPU usage meter should be shown.
8279         */
8280        public static final String SHOW_PROCESSES = "show_processes";
8281
8282        /**
8283         * If 1 low power mode is enabled.
8284         * @hide
8285         */
8286        public static final String LOW_POWER_MODE = "low_power";
8287
8288        /**
8289         * Battery level [1-99] at which low power mode automatically turns on.
8290         * If 0, it will not automatically turn on.
8291         * @hide
8292         */
8293        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
8294
8295         /**
8296         * If not 0, the activity manager will aggressively finish activities and
8297         * processes as soon as they are no longer needed.  If 0, the normal
8298         * extended lifetime is used.
8299         */
8300        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
8301
8302        /**
8303         * @hide
8304         * If not 0, the activity manager will implement a looser version of background
8305         * check that is more compatible with existing apps.
8306         */
8307        public static final String LENIENT_BACKGROUND_CHECK = "lenient_background_check";
8308
8309        /**
8310         * Use Dock audio output for media:
8311         *      0 = disabled
8312         *      1 = enabled
8313         * @hide
8314         */
8315        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
8316
8317        /**
8318         * The surround sound formats AC3, DTS or IEC61937 are
8319         * available for use if they are detected.
8320         * This is the default mode.
8321         *
8322         * Note that AUTO is equivalent to ALWAYS for Android TVs and other
8323         * devices that have an S/PDIF output. This is because S/PDIF
8324         * is unidirectional and the TV cannot know if a decoder is
8325         * connected. So it assumes they are always available.
8326         * @hide
8327         */
8328         public static final int ENCODED_SURROUND_OUTPUT_AUTO = 0;
8329
8330        /**
8331         * AC3, DTS or IEC61937 are NEVER available, even if they
8332         * are detected by the hardware. Those formats will not be
8333         * reported.
8334         *
8335         * An example use case would be an AVR reports that it is capable of
8336         * surround sound decoding but is broken. If NEVER is chosen
8337         * then apps must use PCM output instead of encoded output.
8338         * @hide
8339         */
8340         public static final int ENCODED_SURROUND_OUTPUT_NEVER = 1;
8341
8342        /**
8343         * AC3, DTS or IEC61937 are ALWAYS available, even if they
8344         * are not detected by the hardware. Those formats will be
8345         * reported as part of the HDMI output capability. Applications
8346         * are then free to use either PCM or encoded output.
8347         *
8348         * An example use case would be a when TV was connected over
8349         * TOS-link to an AVR. But the TV could not see it because TOS-link
8350         * is unidirectional.
8351         * @hide
8352         */
8353         public static final int ENCODED_SURROUND_OUTPUT_ALWAYS = 2;
8354
8355        /**
8356         * Set to ENCODED_SURROUND_OUTPUT_AUTO,
8357         * ENCODED_SURROUND_OUTPUT_NEVER or
8358         * ENCODED_SURROUND_OUTPUT_ALWAYS
8359         * @hide
8360         */
8361        public static final String ENCODED_SURROUND_OUTPUT = "encoded_surround_output";
8362
8363        /**
8364         * Persisted safe headphone volume management state by AudioService
8365         * @hide
8366         */
8367        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
8368
8369        /**
8370         * URL for tzinfo (time zone) updates
8371         * @hide
8372         */
8373        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
8374
8375        /**
8376         * URL for tzinfo (time zone) update metadata
8377         * @hide
8378         */
8379        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
8380
8381        /**
8382         * URL for selinux (mandatory access control) updates
8383         * @hide
8384         */
8385        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
8386
8387        /**
8388         * URL for selinux (mandatory access control) update metadata
8389         * @hide
8390         */
8391        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
8392
8393        /**
8394         * URL for sms short code updates
8395         * @hide
8396         */
8397        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
8398                "sms_short_codes_content_url";
8399
8400        /**
8401         * URL for sms short code update metadata
8402         * @hide
8403         */
8404        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
8405                "sms_short_codes_metadata_url";
8406
8407        /**
8408         * URL for apn_db updates
8409         * @hide
8410         */
8411        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
8412
8413        /**
8414         * URL for apn_db update metadata
8415         * @hide
8416         */
8417        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
8418
8419        /**
8420         * URL for cert pinlist updates
8421         * @hide
8422         */
8423        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
8424
8425        /**
8426         * URL for cert pinlist updates
8427         * @hide
8428         */
8429        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
8430
8431        /**
8432         * URL for intent firewall updates
8433         * @hide
8434         */
8435        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
8436                "intent_firewall_content_url";
8437
8438        /**
8439         * URL for intent firewall update metadata
8440         * @hide
8441         */
8442        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
8443                "intent_firewall_metadata_url";
8444
8445        /**
8446         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
8447         * @hide
8448         */
8449        public static final String SELINUX_STATUS = "selinux_status";
8450
8451        /**
8452         * Developer setting to force RTL layout.
8453         * @hide
8454         */
8455        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
8456
8457        /**
8458         * Milliseconds after screen-off after which low battery sounds will be silenced.
8459         *
8460         * If zero, battery sounds will always play.
8461         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
8462         *
8463         * @hide
8464         */
8465        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
8466
8467        /**
8468         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
8469         * the caller is done with this, they should call {@link ContentResolver#delete} to
8470         * clean up any value that they may have written.
8471         *
8472         * @hide
8473         */
8474        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
8475
8476        /**
8477         * Defines global runtime overrides to window policy.
8478         *
8479         * See {@link com.android.server.policy.PolicyControl} for value format.
8480         *
8481         * @hide
8482         */
8483        public static final String POLICY_CONTROL = "policy_control";
8484
8485        /**
8486         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
8487         * or ZEN_MODE_NO_INTERRUPTIONS.
8488         *
8489         * @hide
8490         */
8491        public static final String ZEN_MODE = "zen_mode";
8492
8493        /** @hide */ public static final int ZEN_MODE_OFF = 0;
8494        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
8495        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
8496        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
8497
8498        /** @hide */ public static String zenModeToString(int mode) {
8499            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
8500            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
8501            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
8502            return "ZEN_MODE_OFF";
8503        }
8504
8505        /** @hide */ public static boolean isValidZenMode(int value) {
8506            switch (value) {
8507                case Global.ZEN_MODE_OFF:
8508                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
8509                case Global.ZEN_MODE_ALARMS:
8510                case Global.ZEN_MODE_NO_INTERRUPTIONS:
8511                    return true;
8512                default:
8513                    return false;
8514            }
8515        }
8516
8517        /**
8518         * Value of the ringer before entering zen mode.
8519         *
8520         * @hide
8521         */
8522        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
8523
8524        /**
8525         * Opaque value, changes when persisted zen mode configuration changes.
8526         *
8527         * @hide
8528         */
8529        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
8530
8531        /**
8532         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
8533         *
8534         * @hide
8535         */
8536        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
8537                "heads_up_notifications_enabled";
8538
8539        /** @hide */ public static final int HEADS_UP_OFF = 0;
8540        /** @hide */ public static final int HEADS_UP_ON = 1;
8541
8542        /**
8543         * The name of the device
8544         */
8545        public static final String DEVICE_NAME = "device_name";
8546
8547        /**
8548         * Whether the NetworkScoringService has been first initialized.
8549         * <p>
8550         * Type: int (0 for false, 1 for true)
8551         * @hide
8552         */
8553        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
8554
8555        /**
8556         * Whether the user wants to be prompted for password to decrypt the device on boot.
8557         * This only matters if the storage is encrypted.
8558         * <p>
8559         * Type: int (0 for false, 1 for true)
8560         * @hide
8561         */
8562        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
8563
8564        /**
8565         * Whether the Volte is enabled
8566         * <p>
8567         * Type: int (0 for false, 1 for true)
8568         * @hide
8569         */
8570        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
8571
8572        /**
8573         * Whether VT (Video Telephony over IMS) is enabled
8574         * <p>
8575         * Type: int (0 for false, 1 for true)
8576         *
8577         * @hide
8578         */
8579        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
8580
8581        /**
8582         * Whether WFC is enabled
8583         * <p>
8584         * Type: int (0 for false, 1 for true)
8585         *
8586         * @hide
8587         */
8588        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
8589
8590        /**
8591         * WFC Mode.
8592         * <p>
8593         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
8594         *
8595         * @hide
8596         */
8597        public static final String WFC_IMS_MODE = "wfc_ims_mode";
8598
8599        /**
8600         * Whether WFC roaming is enabled
8601         * <p>
8602         * Type: int (0 for false, 1 for true)
8603         *
8604         * @hide
8605         */
8606        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
8607
8608        /**
8609         * Whether user can enable/disable LTE as a preferred network. A carrier might control
8610         * this via gservices, OMA-DM, carrier app, etc.
8611         * <p>
8612         * Type: int (0 for false, 1 for true)
8613         * @hide
8614         */
8615        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
8616
8617        /**
8618         * Ephemeral app cookie max size in bytes.
8619         * <p>
8620         * Type: int
8621         * @hide
8622         */
8623        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
8624                "ephemeral_cookie_max_size_bytes";
8625
8626        /**
8627         * A mask applied to the ephemeral hash to generate the hash prefix.
8628         * <p>
8629         * Type: int
8630         *
8631         * @hide
8632         */
8633        public static final String EPHEMERAL_HASH_PREFIX_MASK = "ephemeral_hash_prefix_mask";
8634
8635        /**
8636         * Number of hash prefixes to send during ephemeral resolution.
8637         * <p>
8638         * Type: int
8639         *
8640         * @hide
8641         */
8642        public static final String EPHEMERAL_HASH_PREFIX_COUNT = "ephemeral_hash_prefix_count";
8643
8644        /**
8645         * The duration for caching uninstalled ephemeral apps.
8646         * <p>
8647         * Type: long
8648         * @hide
8649         */
8650        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8651                "uninstalled_ephemeral_app_cache_duration_millis";
8652
8653        /**
8654         * Allows switching users when system user is locked.
8655         * <p>
8656         * Type: int
8657         * @hide
8658         */
8659        public static final String ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED =
8660                "allow_user_switching_when_system_user_locked";
8661
8662        /**
8663         * Boot count since the device starts running APK level 24.
8664         * <p>
8665         * Type: int
8666         */
8667        public static final String BOOT_COUNT = "boot_count";
8668
8669        /**
8670         * Whether the safe boot is disallowed.
8671         *
8672         * <p>This setting should have the identical value as the corresponding user restriction.
8673         * The purpose of the setting is to make the restriction available in early boot stages
8674         * before the user restrictions are loaded.
8675         * @hide
8676         */
8677        public static final String SAFE_BOOT_DISALLOWED = "safe_boot_disallowed";
8678
8679        /**
8680         * Whether this device is currently in retail demo mode. If true, device
8681         * usage is severely limited.
8682         * <p>
8683         * Type: int (0 for false, 1 for true)
8684         * @hide
8685         */
8686        public static final String DEVICE_DEMO_MODE = "device_demo_mode";
8687
8688        /**
8689         * Retail mode specific settings. This is encoded as a key=value list, separated by commas.
8690         * Ex: "user_inactivity_timeout_ms=30000,warning_dialog_timeout_ms=10000". The following
8691         * keys are supported:
8692         *
8693         * <pre>
8694         * user_inactivity_timeout_ms  (long)
8695         * warning_dialog_timeout_ms   (long)
8696         * </pre>
8697         * <p>
8698         * Type: string
8699         *
8700         * @hide
8701         */
8702        public static final String RETAIL_DEMO_MODE_CONSTANTS = "retail_demo_mode_constants";
8703
8704        /**
8705         * Settings to backup. This is here so that it's in the same place as the settings
8706         * keys and easy to update.
8707         *
8708         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8709         * and Secure as well.  This is because those tables drive both backup and
8710         * restore, and restore needs to properly whitelist keys that used to live
8711         * in those namespaces.  The keys will only actually be backed up / restored
8712         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8713         *
8714         * NOTE: Settings are backed up and restored in the order they appear
8715         *       in this array. If you have one setting depending on another,
8716         *       make sure that they are ordered appropriately.
8717         *
8718         * @hide
8719         */
8720        public static final String[] SETTINGS_TO_BACKUP = {
8721            BUGREPORT_IN_POWER_MENU,
8722            STAY_ON_WHILE_PLUGGED_IN,
8723            AUTO_TIME,
8724            AUTO_TIME_ZONE,
8725            POWER_SOUNDS_ENABLED,
8726            DOCK_SOUNDS_ENABLED,
8727            CHARGING_SOUNDS_ENABLED,
8728            USB_MASS_STORAGE_ENABLED,
8729            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8730            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8731            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8732            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8733            WIFI_NUM_OPEN_NETWORKS_KEPT,
8734            EMERGENCY_TONE,
8735            CALL_AUTO_RETRY,
8736            DOCK_AUDIO_MEDIA_ENABLED,
8737            ENCODED_SURROUND_OUTPUT,
8738            LOW_POWER_MODE_TRIGGER_LEVEL
8739        };
8740
8741        // Populated lazily, guarded by class object:
8742        private static NameValueCache sNameValueCache = new NameValueCache(
8743                    CONTENT_URI,
8744                    CALL_METHOD_GET_GLOBAL,
8745                    CALL_METHOD_PUT_GLOBAL);
8746
8747        // Certain settings have been moved from global to the per-user secure namespace
8748        private static final HashSet<String> MOVED_TO_SECURE;
8749        static {
8750            MOVED_TO_SECURE = new HashSet<String>(1);
8751            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8752        }
8753
8754        /** @hide */
8755        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8756            outKeySet.addAll(MOVED_TO_SECURE);
8757        }
8758
8759        /**
8760         * Look up a name in the database.
8761         * @param resolver to access the database with
8762         * @param name to look up in the table
8763         * @return the corresponding value, or null if not present
8764         */
8765        public static String getString(ContentResolver resolver, String name) {
8766            return getStringForUser(resolver, name, UserHandle.myUserId());
8767        }
8768
8769        /** @hide */
8770        public static String getStringForUser(ContentResolver resolver, String name,
8771                int userHandle) {
8772            if (MOVED_TO_SECURE.contains(name)) {
8773                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8774                        + " to android.provider.Settings.Secure, returning read-only value.");
8775                return Secure.getStringForUser(resolver, name, userHandle);
8776            }
8777            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8778        }
8779
8780        /**
8781         * Store a name/value pair into the database.
8782         * @param resolver to access the database with
8783         * @param name to store
8784         * @param value to associate with the name
8785         * @return true if the value was set, false on database errors
8786         */
8787        public static boolean putString(ContentResolver resolver,
8788                String name, String value) {
8789            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8790        }
8791
8792        /** @hide */
8793        public static boolean putStringForUser(ContentResolver resolver,
8794                String name, String value, int userHandle) {
8795            if (LOCAL_LOGV) {
8796                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8797                        + " for " + userHandle);
8798            }
8799            // Global and Secure have the same access policy so we can forward writes
8800            if (MOVED_TO_SECURE.contains(name)) {
8801                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8802                        + " to android.provider.Settings.Secure, value is unchanged.");
8803                return Secure.putStringForUser(resolver, name, value, userHandle);
8804            }
8805            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8806        }
8807
8808        /**
8809         * Construct the content URI for a particular name/value pair,
8810         * useful for monitoring changes with a ContentObserver.
8811         * @param name to look up in the table
8812         * @return the corresponding content URI, or null if not present
8813         */
8814        public static Uri getUriFor(String name) {
8815            return getUriFor(CONTENT_URI, name);
8816        }
8817
8818        /**
8819         * Convenience function for retrieving a single secure settings value
8820         * as an integer.  Note that internally setting values are always
8821         * stored as strings; this function converts the string to an integer
8822         * for you.  The default value will be returned if the setting is
8823         * not defined or not an integer.
8824         *
8825         * @param cr The ContentResolver to access.
8826         * @param name The name of the setting to retrieve.
8827         * @param def Value to return if the setting is not defined.
8828         *
8829         * @return The setting's current value, or 'def' if it is not defined
8830         * or not a valid integer.
8831         */
8832        public static int getInt(ContentResolver cr, String name, int def) {
8833            String v = getString(cr, name);
8834            try {
8835                return v != null ? Integer.parseInt(v) : def;
8836            } catch (NumberFormatException e) {
8837                return def;
8838            }
8839        }
8840
8841        /**
8842         * Convenience function for retrieving a single secure settings value
8843         * as an integer.  Note that internally setting values are always
8844         * stored as strings; this function converts the string to an integer
8845         * for you.
8846         * <p>
8847         * This version does not take a default value.  If the setting has not
8848         * been set, or the string value is not a number,
8849         * it throws {@link SettingNotFoundException}.
8850         *
8851         * @param cr The ContentResolver to access.
8852         * @param name The name of the setting to retrieve.
8853         *
8854         * @throws SettingNotFoundException Thrown if a setting by the given
8855         * name can't be found or the setting value is not an integer.
8856         *
8857         * @return The setting's current value.
8858         */
8859        public static int getInt(ContentResolver cr, String name)
8860                throws SettingNotFoundException {
8861            String v = getString(cr, name);
8862            try {
8863                return Integer.parseInt(v);
8864            } catch (NumberFormatException e) {
8865                throw new SettingNotFoundException(name);
8866            }
8867        }
8868
8869        /**
8870         * Convenience function for updating a single settings value as an
8871         * integer. This will either create a new entry in the table if the
8872         * given name does not exist, or modify the value of the existing row
8873         * with that name.  Note that internally setting values are always
8874         * stored as strings, so this function converts the given value to a
8875         * string before storing it.
8876         *
8877         * @param cr The ContentResolver to access.
8878         * @param name The name of the setting to modify.
8879         * @param value The new value for the setting.
8880         * @return true if the value was set, false on database errors
8881         */
8882        public static boolean putInt(ContentResolver cr, String name, int value) {
8883            return putString(cr, name, Integer.toString(value));
8884        }
8885
8886        /**
8887         * Convenience function for retrieving a single secure settings value
8888         * as a {@code long}.  Note that internally setting values are always
8889         * stored as strings; this function converts the string to a {@code long}
8890         * for you.  The default value will be returned if the setting is
8891         * not defined or not a {@code long}.
8892         *
8893         * @param cr The ContentResolver to access.
8894         * @param name The name of the setting to retrieve.
8895         * @param def Value to return if the setting is not defined.
8896         *
8897         * @return The setting's current value, or 'def' if it is not defined
8898         * or not a valid {@code long}.
8899         */
8900        public static long getLong(ContentResolver cr, String name, long def) {
8901            String valString = getString(cr, name);
8902            long value;
8903            try {
8904                value = valString != null ? Long.parseLong(valString) : def;
8905            } catch (NumberFormatException e) {
8906                value = def;
8907            }
8908            return value;
8909        }
8910
8911        /**
8912         * Convenience function for retrieving a single secure settings value
8913         * as a {@code long}.  Note that internally setting values are always
8914         * stored as strings; this function converts the string to a {@code long}
8915         * for you.
8916         * <p>
8917         * This version does not take a default value.  If the setting has not
8918         * been set, or the string value is not a number,
8919         * it throws {@link SettingNotFoundException}.
8920         *
8921         * @param cr The ContentResolver to access.
8922         * @param name The name of the setting to retrieve.
8923         *
8924         * @return The setting's current value.
8925         * @throws SettingNotFoundException Thrown if a setting by the given
8926         * name can't be found or the setting value is not an integer.
8927         */
8928        public static long getLong(ContentResolver cr, String name)
8929                throws SettingNotFoundException {
8930            String valString = getString(cr, name);
8931            try {
8932                return Long.parseLong(valString);
8933            } catch (NumberFormatException e) {
8934                throw new SettingNotFoundException(name);
8935            }
8936        }
8937
8938        /**
8939         * Convenience function for updating a secure settings value as a long
8940         * integer. This will either create a new entry in the table if the
8941         * given name does not exist, or modify the value of the existing row
8942         * with that name.  Note that internally setting values are always
8943         * stored as strings, so this function converts the given value to a
8944         * string before storing it.
8945         *
8946         * @param cr The ContentResolver to access.
8947         * @param name The name of the setting to modify.
8948         * @param value The new value for the setting.
8949         * @return true if the value was set, false on database errors
8950         */
8951        public static boolean putLong(ContentResolver cr, String name, long value) {
8952            return putString(cr, name, Long.toString(value));
8953        }
8954
8955        /**
8956         * Convenience function for retrieving a single secure settings value
8957         * as a floating point number.  Note that internally setting values are
8958         * always stored as strings; this function converts the string to an
8959         * float for you. The default value will be returned if the setting
8960         * is not defined or not a valid float.
8961         *
8962         * @param cr The ContentResolver to access.
8963         * @param name The name of the setting to retrieve.
8964         * @param def Value to return if the setting is not defined.
8965         *
8966         * @return The setting's current value, or 'def' if it is not defined
8967         * or not a valid float.
8968         */
8969        public static float getFloat(ContentResolver cr, String name, float def) {
8970            String v = getString(cr, name);
8971            try {
8972                return v != null ? Float.parseFloat(v) : def;
8973            } catch (NumberFormatException e) {
8974                return def;
8975            }
8976        }
8977
8978        /**
8979         * Convenience function for retrieving a single secure settings value
8980         * as a float.  Note that internally setting values are always
8981         * stored as strings; this function converts the string to a float
8982         * for you.
8983         * <p>
8984         * This version does not take a default value.  If the setting has not
8985         * been set, or the string value is not a number,
8986         * it throws {@link SettingNotFoundException}.
8987         *
8988         * @param cr The ContentResolver to access.
8989         * @param name The name of the setting to retrieve.
8990         *
8991         * @throws SettingNotFoundException Thrown if a setting by the given
8992         * name can't be found or the setting value is not a float.
8993         *
8994         * @return The setting's current value.
8995         */
8996        public static float getFloat(ContentResolver cr, String name)
8997                throws SettingNotFoundException {
8998            String v = getString(cr, name);
8999            if (v == null) {
9000                throw new SettingNotFoundException(name);
9001            }
9002            try {
9003                return Float.parseFloat(v);
9004            } catch (NumberFormatException e) {
9005                throw new SettingNotFoundException(name);
9006            }
9007        }
9008
9009        /**
9010         * Convenience function for updating a single settings value as a
9011         * floating point number. This will either create a new entry in the
9012         * table if the given name does not exist, or modify the value of the
9013         * existing row with that name.  Note that internally setting values
9014         * are always stored as strings, so this function converts the given
9015         * value to a string before storing it.
9016         *
9017         * @param cr The ContentResolver to access.
9018         * @param name The name of the setting to modify.
9019         * @param value The new value for the setting.
9020         * @return true if the value was set, false on database errors
9021         */
9022        public static boolean putFloat(ContentResolver cr, String name, float value) {
9023            return putString(cr, name, Float.toString(value));
9024        }
9025
9026
9027        /**
9028          * Subscription to be used for voice call on a multi sim device. The supported values
9029          * are 0 = SUB1, 1 = SUB2 and etc.
9030          * @hide
9031          */
9032        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
9033
9034        /**
9035          * Used to provide option to user to select subscription during dial.
9036          * The supported values are 0 = disable or 1 = enable prompt.
9037          * @hide
9038          */
9039        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
9040
9041        /**
9042          * Subscription to be used for data call on a multi sim device. The supported values
9043          * are 0 = SUB1, 1 = SUB2 and etc.
9044          * @hide
9045          */
9046        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
9047
9048        /**
9049          * Subscription to be used for SMS on a multi sim device. The supported values
9050          * are 0 = SUB1, 1 = SUB2 and etc.
9051          * @hide
9052          */
9053        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
9054
9055       /**
9056          * Used to provide option to user to select subscription during send SMS.
9057          * The value 1 - enable, 0 - disable
9058          * @hide
9059          */
9060        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
9061
9062
9063
9064        /** User preferred subscriptions setting.
9065          * This holds the details of the user selected subscription from the card and
9066          * the activation status. Each settings string have the coma separated values
9067          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
9068          * @hide
9069         */
9070        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
9071                "user_preferred_sub2","user_preferred_sub3"};
9072
9073        /**
9074         * Whether to enable new contacts aggregator or not.
9075         * The value 1 - enable, 0 - disable
9076         * @hide
9077         */
9078        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
9079
9080        /**
9081         * Whether to enable contacts metadata syncing or not
9082         * The value 1 - enable, 0 - disable
9083         *
9084         * @removed
9085         */
9086        @Deprecated
9087        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
9088
9089        /**
9090         * Whether to enable contacts metadata syncing or not
9091         * The value 1 - enable, 0 - disable
9092         */
9093        public static final String CONTACT_METADATA_SYNC_ENABLED = "contact_metadata_sync_enabled";
9094
9095        /**
9096         * Whether to enable cellular on boot.
9097         * The value 1 - enable, 0 - disable
9098         * @hide
9099         */
9100        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
9101
9102        /**
9103         * Whether toggling OEM unlock is disallowed. If disallowed, it is not possible to enable or
9104         * disable OEM unlock.
9105         * <p>
9106         * Type: int (0: allow OEM unlock setting. 1: disallow OEM unlock)
9107         * @hide
9108         */
9109        public static final String OEM_UNLOCK_DISALLOWED = "oem_unlock_disallowed";
9110
9111        /**
9112         * The maximum allowed notification enqueue rate in Hertz.
9113         *
9114         * Should be a float, and includes both posts and updates.
9115         * @hide
9116         */
9117        public static final String MAX_NOTIFICATION_ENQUEUE_RATE = "max_notification_enqueue_rate";
9118
9119        /**
9120         * Whether SystemUI navigation keys is enabled.
9121         * @hide
9122         */
9123        public static final String SYSTEM_NAVIGATION_KEYS_ENABLED =
9124                "system_navigation_keys_enabled";
9125
9126        /**
9127         * Whether cell is enabled/disabled
9128         * @hide
9129         */
9130        public static final String CELL_ON = "cell_on";
9131    }
9132
9133    /**
9134     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
9135     * Intent URL, allowing it to be either a web page or a particular
9136     * application activity.
9137     *
9138     * @hide
9139     */
9140    public static final class Bookmarks implements BaseColumns
9141    {
9142        private static final String TAG = "Bookmarks";
9143
9144        /**
9145         * The content:// style URL for this table
9146         */
9147        public static final Uri CONTENT_URI =
9148            Uri.parse("content://" + AUTHORITY + "/bookmarks");
9149
9150        /**
9151         * The row ID.
9152         * <p>Type: INTEGER</p>
9153         */
9154        public static final String ID = "_id";
9155
9156        /**
9157         * Descriptive name of the bookmark that can be displayed to the user.
9158         * If this is empty, the title should be resolved at display time (use
9159         * {@link #getTitle(Context, Cursor)} any time you want to display the
9160         * title of a bookmark.)
9161         * <P>
9162         * Type: TEXT
9163         * </P>
9164         */
9165        public static final String TITLE = "title";
9166
9167        /**
9168         * Arbitrary string (displayed to the user) that allows bookmarks to be
9169         * organized into categories.  There are some special names for
9170         * standard folders, which all start with '@'.  The label displayed for
9171         * the folder changes with the locale (via {@link #getLabelForFolder}) but
9172         * the folder name does not change so you can consistently query for
9173         * the folder regardless of the current locale.
9174         *
9175         * <P>Type: TEXT</P>
9176         *
9177         */
9178        public static final String FOLDER = "folder";
9179
9180        /**
9181         * The Intent URL of the bookmark, describing what it points to.  This
9182         * value is given to {@link android.content.Intent#getIntent} to create
9183         * an Intent that can be launched.
9184         * <P>Type: TEXT</P>
9185         */
9186        public static final String INTENT = "intent";
9187
9188        /**
9189         * Optional shortcut character associated with this bookmark.
9190         * <P>Type: INTEGER</P>
9191         */
9192        public static final String SHORTCUT = "shortcut";
9193
9194        /**
9195         * The order in which the bookmark should be displayed
9196         * <P>Type: INTEGER</P>
9197         */
9198        public static final String ORDERING = "ordering";
9199
9200        private static final String[] sIntentProjection = { INTENT };
9201        private static final String[] sShortcutProjection = { ID, SHORTCUT };
9202        private static final String sShortcutSelection = SHORTCUT + "=?";
9203
9204        /**
9205         * Convenience function to retrieve the bookmarked Intent for a
9206         * particular shortcut key.
9207         *
9208         * @param cr The ContentResolver to query.
9209         * @param shortcut The shortcut key.
9210         *
9211         * @return Intent The bookmarked URL, or null if there is no bookmark
9212         *         matching the given shortcut.
9213         */
9214        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
9215        {
9216            Intent intent = null;
9217
9218            Cursor c = cr.query(CONTENT_URI,
9219                    sIntentProjection, sShortcutSelection,
9220                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
9221            // Keep trying until we find a valid shortcut
9222            try {
9223                while (intent == null && c.moveToNext()) {
9224                    try {
9225                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
9226                        intent = Intent.parseUri(intentURI, 0);
9227                    } catch (java.net.URISyntaxException e) {
9228                        // The stored URL is bad...  ignore it.
9229                    } catch (IllegalArgumentException e) {
9230                        // Column not found
9231                        Log.w(TAG, "Intent column not found", e);
9232                    }
9233                }
9234            } finally {
9235                if (c != null) c.close();
9236            }
9237
9238            return intent;
9239        }
9240
9241        /**
9242         * Add a new bookmark to the system.
9243         *
9244         * @param cr The ContentResolver to query.
9245         * @param intent The desired target of the bookmark.
9246         * @param title Bookmark title that is shown to the user; null if none
9247         *            or it should be resolved to the intent's title.
9248         * @param folder Folder in which to place the bookmark; null if none.
9249         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
9250         *            this is non-zero and there is an existing bookmark entry
9251         *            with this same shortcut, then that existing shortcut is
9252         *            cleared (the bookmark is not removed).
9253         * @return The unique content URL for the new bookmark entry.
9254         */
9255        public static Uri add(ContentResolver cr,
9256                                           Intent intent,
9257                                           String title,
9258                                           String folder,
9259                                           char shortcut,
9260                                           int ordering)
9261        {
9262            // If a shortcut is supplied, and it is already defined for
9263            // another bookmark, then remove the old definition.
9264            if (shortcut != 0) {
9265                cr.delete(CONTENT_URI, sShortcutSelection,
9266                        new String[] { String.valueOf((int) shortcut) });
9267            }
9268
9269            ContentValues values = new ContentValues();
9270            if (title != null) values.put(TITLE, title);
9271            if (folder != null) values.put(FOLDER, folder);
9272            values.put(INTENT, intent.toUri(0));
9273            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
9274            values.put(ORDERING, ordering);
9275            return cr.insert(CONTENT_URI, values);
9276        }
9277
9278        /**
9279         * Return the folder name as it should be displayed to the user.  This
9280         * takes care of localizing special folders.
9281         *
9282         * @param r Resources object for current locale; only need access to
9283         *          system resources.
9284         * @param folder The value found in the {@link #FOLDER} column.
9285         *
9286         * @return CharSequence The label for this folder that should be shown
9287         *         to the user.
9288         */
9289        public static CharSequence getLabelForFolder(Resources r, String folder) {
9290            return folder;
9291        }
9292
9293        /**
9294         * Return the title as it should be displayed to the user. This takes
9295         * care of localizing bookmarks that point to activities.
9296         *
9297         * @param context A context.
9298         * @param cursor A cursor pointing to the row whose title should be
9299         *        returned. The cursor must contain at least the {@link #TITLE}
9300         *        and {@link #INTENT} columns.
9301         * @return A title that is localized and can be displayed to the user,
9302         *         or the empty string if one could not be found.
9303         */
9304        public static CharSequence getTitle(Context context, Cursor cursor) {
9305            int titleColumn = cursor.getColumnIndex(TITLE);
9306            int intentColumn = cursor.getColumnIndex(INTENT);
9307            if (titleColumn == -1 || intentColumn == -1) {
9308                throw new IllegalArgumentException(
9309                        "The cursor must contain the TITLE and INTENT columns.");
9310            }
9311
9312            String title = cursor.getString(titleColumn);
9313            if (!TextUtils.isEmpty(title)) {
9314                return title;
9315            }
9316
9317            String intentUri = cursor.getString(intentColumn);
9318            if (TextUtils.isEmpty(intentUri)) {
9319                return "";
9320            }
9321
9322            Intent intent;
9323            try {
9324                intent = Intent.parseUri(intentUri, 0);
9325            } catch (URISyntaxException e) {
9326                return "";
9327            }
9328
9329            PackageManager packageManager = context.getPackageManager();
9330            ResolveInfo info = packageManager.resolveActivity(intent, 0);
9331            return info != null ? info.loadLabel(packageManager) : "";
9332        }
9333    }
9334
9335    /**
9336     * Returns the device ID that we should use when connecting to the mobile gtalk server.
9337     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
9338     * from the GoogleLoginService.
9339     *
9340     * @param androidId The Android ID for this device.
9341     * @return The device ID that should be used when connecting to the mobile gtalk server.
9342     * @hide
9343     */
9344    public static String getGTalkDeviceId(long androidId) {
9345        return "android-" + Long.toHexString(androidId);
9346    }
9347
9348    private static final String[] PM_WRITE_SETTINGS = {
9349        android.Manifest.permission.WRITE_SETTINGS
9350    };
9351    private static final String[] PM_CHANGE_NETWORK_STATE = {
9352        android.Manifest.permission.CHANGE_NETWORK_STATE,
9353        android.Manifest.permission.WRITE_SETTINGS
9354    };
9355    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
9356        android.Manifest.permission.SYSTEM_ALERT_WINDOW
9357    };
9358
9359    /**
9360     * Performs a strict and comprehensive check of whether a calling package is allowed to
9361     * write/modify system settings, as the condition differs for pre-M, M+, and
9362     * privileged/preinstalled apps. If the provided uid does not match the
9363     * callingPackage, a negative result will be returned.
9364     * @hide
9365     */
9366    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
9367            String callingPackage, boolean throwException) {
9368        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9369                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9370                PM_WRITE_SETTINGS, false);
9371    }
9372
9373    /**
9374     * Performs a strict and comprehensive check of whether a calling package is allowed to
9375     * write/modify system settings, as the condition differs for pre-M, M+, and
9376     * privileged/preinstalled apps. If the provided uid does not match the
9377     * callingPackage, a negative result will be returned. The caller is expected to have
9378     * the WRITE_SETTINGS permission declared.
9379     *
9380     * Note: if the check is successful, the operation of this app will be updated to the
9381     * current time.
9382     * @hide
9383     */
9384    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
9385            String callingPackage, boolean throwException) {
9386        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9387                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9388                PM_WRITE_SETTINGS, true);
9389    }
9390
9391    /**
9392     * Performs a strict and comprehensive check of whether a calling package is allowed to
9393     * change the state of network, as the condition differs for pre-M, M+, and
9394     * privileged/preinstalled apps. The caller is expected to have either the
9395     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
9396     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
9397     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
9398     * permission and cannot be revoked. See http://b/23597341
9399     *
9400     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
9401     * of this app will be updated to the current time.
9402     * @hide
9403     */
9404    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
9405            String callingPackage, boolean throwException) {
9406        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
9407                == PackageManager.PERMISSION_GRANTED) {
9408            return true;
9409        }
9410        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9411                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9412                PM_CHANGE_NETWORK_STATE, true);
9413    }
9414
9415    /**
9416     * Performs a strict and comprehensive check of whether a calling package is allowed to
9417     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9418     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9419     * a negative result will be returned.
9420     * @hide
9421     */
9422    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
9423            String callingPackage, boolean throwException) {
9424        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9425                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9426                PM_SYSTEM_ALERT_WINDOW, false);
9427    }
9428
9429    /**
9430     * Performs a strict and comprehensive check of whether a calling package is allowed to
9431     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9432     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9433     * a negative result will be returned.
9434     *
9435     * Note: if the check is successful, the operation of this app will be updated to the
9436     * current time.
9437     * @hide
9438     */
9439    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
9440            callingPackage, boolean throwException) {
9441        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9442                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9443                PM_SYSTEM_ALERT_WINDOW, true);
9444    }
9445
9446    /**
9447     * Helper method to perform a general and comprehensive check of whether an operation that is
9448     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
9449     * OP_WRITE_SETTINGS
9450     * @hide
9451     */
9452    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
9453            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
9454            permissions, boolean makeNote) {
9455        if (callingPackage == null) {
9456            return false;
9457        }
9458
9459        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
9460        int mode = AppOpsManager.MODE_DEFAULT;
9461        if (makeNote) {
9462            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
9463        } else {
9464            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
9465        }
9466
9467        switch (mode) {
9468            case AppOpsManager.MODE_ALLOWED:
9469                return true;
9470
9471            case AppOpsManager.MODE_DEFAULT:
9472                // this is the default operating mode after an app's installation
9473                // In this case we will check all associated static permission to see
9474                // if it is granted during install time.
9475                for (String permission : permissions) {
9476                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
9477                            .PERMISSION_GRANTED) {
9478                        // if either of the permissions are granted, we will allow it
9479                        return true;
9480                    }
9481                }
9482
9483            default:
9484                // this is for all other cases trickled down here...
9485                if (!throwException) {
9486                    return false;
9487                }
9488        }
9489
9490        // prepare string to throw SecurityException
9491        StringBuilder exceptionMessage = new StringBuilder();
9492        exceptionMessage.append(callingPackage);
9493        exceptionMessage.append(" was not granted ");
9494        if (permissions.length > 1) {
9495            exceptionMessage.append(" either of these permissions: ");
9496        } else {
9497            exceptionMessage.append(" this permission: ");
9498        }
9499        for (int i = 0; i < permissions.length; i++) {
9500            exceptionMessage.append(permissions[i]);
9501            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
9502        }
9503
9504        throw new SecurityException(exceptionMessage.toString());
9505    }
9506
9507    /**
9508     * Retrieves a correponding package name for a given uid. It will query all
9509     * packages that are associated with the given uid, but it will return only
9510     * the zeroth result.
9511     * Note: If package could not be found, a null is returned.
9512     * @hide
9513     */
9514    public static String getPackageNameForUid(Context context, int uid) {
9515        String[] packages = context.getPackageManager().getPackagesForUid(uid);
9516        if (packages == null) {
9517            return null;
9518        }
9519        return packages[0];
9520    }
9521}
9522