Settings.java revision 04df738bcb6584dd82b731a67f4cf8d6925b061e
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.Process;
52import android.os.RemoteException;
53import android.os.ServiceManager;
54import android.os.UserHandle;
55import android.os.Build.VERSION_CODES;
56import android.speech.tts.TextToSpeech;
57import android.text.TextUtils;
58import android.util.AndroidException;
59import android.util.ArrayMap;
60import android.util.ArraySet;
61import android.util.LocaleList;
62import android.util.Log;
63
64import android.util.MemoryIntArray;
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.
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 - User handle argument extra to the fast-path call()-based requests
1322     */
1323    public static final String CALL_METHOD_USER_KEY = "_user";
1324
1325    /** @hide - Private call() method to write to 'system' table */
1326    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1327
1328    /** @hide - Private call() method to write to 'secure' table */
1329    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1330
1331    /** @hide - Private call() method to write to 'global' table */
1332    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1333
1334    /**
1335     * Activity Extra: Limit available options in launched activity based on the given authority.
1336     * <p>
1337     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1338     * provider's authorities as a String[]. This field is used by some intents to alter the
1339     * behavior of the called activity.
1340     * <p>
1341     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1342     * on the authority given.
1343     */
1344    public static final String EXTRA_AUTHORITIES = "authorities";
1345
1346    /**
1347     * Activity Extra: Limit available options in launched activity based on the given account
1348     * types.
1349     * <p>
1350     * This can be passed as an extra field in an Activity Intent with one or more account types
1351     * as a String[]. This field is used by some intents to alter the behavior of the called
1352     * activity.
1353     * <p>
1354     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1355     * list.
1356     */
1357    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1358
1359    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1360
1361    /**
1362     * Activity Extra: The device identifier to act upon.
1363     * <p>
1364     * This can be passed as an extra field in an Activity Intent with a single
1365     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1366     * settings for the given device.
1367     * <p>
1368     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1369     * dialog for the given device.
1370     * @hide
1371     */
1372    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1373
1374    /**
1375     * Activity Extra: Enable or disable Airplane Mode.
1376     * <p>
1377     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1378     * intent as a boolean to indicate if it should be enabled.
1379     */
1380    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1381
1382    /**
1383     * Activity Extra: Enable or disable Battery saver mode.
1384     * <p>
1385     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1386     * intent as a boolean to indicate if it should be enabled.
1387     */
1388    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1389            "android.settings.extra.battery_saver_mode_enabled";
1390
1391    /**
1392     * Activity Extra: Enable or disable Do Not Disturb mode.
1393     * <p>
1394     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1395     * intent as a boolean to indicate if it should be enabled.
1396     */
1397    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1398            "android.settings.extra.do_not_disturb_mode_enabled";
1399
1400    /**
1401     * Activity Extra: How many minutes to enable do not disturb mode for.
1402     * <p>
1403     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1404     * intent to indicate how long do not disturb mode should be enabled for.
1405     */
1406    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1407            "android.settings.extra.do_not_disturb_mode_minutes";
1408
1409    /**
1410     * Activity Extra: Number of certificates
1411     * <p>
1412     * This can be passed as an extra field to the {@link #ACTION_MONITORING_CERT_INFO}
1413     * intent to indicate the number of certificates
1414     * @hide
1415     */
1416    public static final String EXTRA_NUMBER_OF_CERTIFICATES =
1417            "android.settings.extra.number_of_certificates";
1418
1419    private static final String JID_RESOURCE_PREFIX = "android";
1420
1421    public static final String AUTHORITY = "settings";
1422
1423    private static final String TAG = "Settings";
1424    private static final boolean LOCAL_LOGV = false;
1425
1426    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1427    // with a partial enable/disable state in multi-threaded situations.
1428    private static final Object mLocationSettingsLock = new Object();
1429
1430    public static class SettingNotFoundException extends AndroidException {
1431        public SettingNotFoundException(String msg) {
1432            super(msg);
1433        }
1434    }
1435
1436    /**
1437     * Common base for tables of name/value settings.
1438     */
1439    public static class NameValueTable implements BaseColumns {
1440        public static final String NAME = "name";
1441        public static final String VALUE = "value";
1442
1443        protected static boolean putString(ContentResolver resolver, Uri uri,
1444                String name, String value) {
1445            // The database will take care of replacing duplicates.
1446            try {
1447                ContentValues values = new ContentValues();
1448                values.put(NAME, name);
1449                values.put(VALUE, value);
1450                resolver.insert(uri, values);
1451                return true;
1452            } catch (SQLException e) {
1453                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1454                return false;
1455            }
1456        }
1457
1458        public static Uri getUriFor(Uri uri, String name) {
1459            return Uri.withAppendedPath(uri, name);
1460        }
1461    }
1462
1463    private static final class GenerationTracker {
1464        private final MemoryIntArray mArray;
1465        private final Runnable mErrorHandler;
1466        private final int mIndex;
1467        private int mCurrentGeneration;
1468
1469        public GenerationTracker(@NonNull MemoryIntArray array, int index,
1470                Runnable errorHandler) {
1471            mArray = array;
1472            mIndex = index;
1473            mErrorHandler = errorHandler;
1474            mCurrentGeneration = readCurrentGeneration();
1475        }
1476
1477        public boolean isGenerationChanged() {
1478            final int currentGeneration = readCurrentGeneration();
1479            if (currentGeneration >= 0) {
1480                if (currentGeneration == mCurrentGeneration) {
1481                    return false;
1482                }
1483                mCurrentGeneration = currentGeneration;
1484            }
1485            return true;
1486        }
1487
1488        private int readCurrentGeneration() {
1489            try {
1490                return mArray.get(mIndex);
1491            } catch (IOException e) {
1492                Log.e(TAG, "Error getting current generation", e);
1493                if (mErrorHandler != null) {
1494                    mErrorHandler.run();
1495                }
1496            }
1497            return -1;
1498        }
1499
1500        public void destroy() {
1501            try {
1502                mArray.close();
1503            } catch (IOException e) {
1504                Log.e(TAG, "Error closing backing array", e);
1505                if (mErrorHandler != null) {
1506                    mErrorHandler.run();
1507                }
1508            }
1509        }
1510    }
1511
1512    // Thread-safe.
1513    private static class NameValueCache {
1514        private static final boolean DEBUG = false;
1515
1516        private final Uri mUri;
1517
1518        private static final String[] SELECT_VALUE =
1519            new String[] { Settings.NameValueTable.VALUE };
1520        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1521
1522        // Must synchronize on 'this' to access mValues and mValuesVersion.
1523        private final HashMap<String, String> mValues = new HashMap<String, String>();
1524
1525        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1526        private IContentProvider mContentProvider = null;
1527
1528        // The method we'll call (or null, to not use) on the provider
1529        // for the fast path of retrieving settings.
1530        private final String mCallGetCommand;
1531        private final String mCallSetCommand;
1532
1533        @GuardedBy("this")
1534        private GenerationTracker mGenerationTracker;
1535
1536        public NameValueCache(Uri uri, String getCommand, String setCommand) {
1537            mUri = uri;
1538            mCallGetCommand = getCommand;
1539            mCallSetCommand = setCommand;
1540        }
1541
1542        private IContentProvider lazyGetProvider(ContentResolver cr) {
1543            IContentProvider cp = null;
1544            synchronized (this) {
1545                cp = mContentProvider;
1546                if (cp == null) {
1547                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1548                }
1549            }
1550            return cp;
1551        }
1552
1553        public boolean putStringForUser(ContentResolver cr, String name, String value,
1554                final int userHandle) {
1555            try {
1556                Bundle arg = new Bundle();
1557                arg.putString(Settings.NameValueTable.VALUE, value);
1558                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1559                IContentProvider cp = lazyGetProvider(cr);
1560                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1561            } catch (RemoteException e) {
1562                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1563                return false;
1564            }
1565            return true;
1566        }
1567
1568        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1569            final boolean isSelf = (userHandle == UserHandle.myUserId());
1570            if (isSelf) {
1571                synchronized (this) {
1572                    if (mGenerationTracker != null) {
1573                        if (mGenerationTracker.isGenerationChanged()) {
1574                            if (DEBUG) {
1575                                Log.i(TAG, "Generation changed for type:"
1576                                        + mUri.getPath() + " in package:"
1577                                        + cr.getPackageName() +" and user:" + userHandle);
1578                            }
1579                            mValues.clear();
1580                        } else if (mValues.containsKey(name)) {
1581                            return mValues.get(name);
1582                        }
1583                    }
1584                }
1585            } else {
1586                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1587                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1588            }
1589
1590            IContentProvider cp = lazyGetProvider(cr);
1591
1592            // Try the fast path first, not using query().  If this
1593            // fails (alternate Settings provider that doesn't support
1594            // this interface?) then we fall back to the query/table
1595            // interface.
1596            if (mCallGetCommand != null) {
1597                try {
1598                    Bundle args = null;
1599                    if (!isSelf) {
1600                        args = new Bundle();
1601                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1602                    }
1603                    boolean needsGenerationTracker = false;
1604                    synchronized (this) {
1605                        if (isSelf && mGenerationTracker == null) {
1606                            needsGenerationTracker = true;
1607                            if (args == null) {
1608                                args = new Bundle();
1609                            }
1610                            args.putString(CALL_METHOD_TRACK_GENERATION_KEY, null);
1611                            if (DEBUG) {
1612                                Log.i(TAG, "Requested generation tracker for type: "+ mUri.getPath()
1613                                        + " in package:" + cr.getPackageName() +" and user:"
1614                                        + userHandle);
1615                            }
1616                        }
1617                    }
1618                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1619                    if (b != null) {
1620                        String value = b.getString(Settings.NameValueTable.VALUE);
1621                        // Don't update our cache for reads of other users' data
1622                        if (isSelf) {
1623                            synchronized (this) {
1624                                if (needsGenerationTracker) {
1625                                    MemoryIntArray array = b.getParcelable(
1626                                            CALL_METHOD_TRACK_GENERATION_KEY);
1627                                    final int index = b.getInt(
1628                                            CALL_METHOD_GENERATION_INDEX_KEY, -1);
1629                                    if (array != null && index >= 0) {
1630                                        if (DEBUG) {
1631                                            Log.i(TAG, "Received generation tracker for type:"
1632                                                    + mUri.getPath() + " in package:"
1633                                                    + cr.getPackageName() + " and user:"
1634                                                    + userHandle + " with index:" + index);
1635                                        }
1636                                        mGenerationTracker = new GenerationTracker(array, index,
1637                                                () -> {
1638                                            synchronized (this) {
1639                                                Log.e(TAG, "Error accessing generation"
1640                                                        + " tracker - removing");
1641                                                if (mGenerationTracker != null) {
1642                                                    GenerationTracker generationTracker =
1643                                                            mGenerationTracker;
1644                                                    mGenerationTracker = null;
1645                                                    generationTracker.destroy();
1646                                                    mValues.clear();
1647                                                }
1648                                            }
1649                                        });
1650                                    }
1651                                }
1652                                mValues.put(name, value);
1653                            }
1654                        } else {
1655                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1656                                    + " by " + UserHandle.myUserId()
1657                                    + " so not updating cache");
1658                        }
1659                        return value;
1660                    }
1661                    // If the response Bundle is null, we fall through
1662                    // to the query interface below.
1663                } catch (RemoteException e) {
1664                    // Not supported by the remote side?  Fall through
1665                    // to query().
1666                }
1667            }
1668
1669            Cursor c = null;
1670            try {
1671                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1672                             new String[]{name}, null, null);
1673                if (c == null) {
1674                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1675                    return null;
1676                }
1677
1678                String value = c.moveToNext() ? c.getString(0) : null;
1679                synchronized (this) {
1680                    mValues.put(name, value);
1681                }
1682                if (LOCAL_LOGV) {
1683                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1684                            name + " = " + (value == null ? "(null)" : value));
1685                }
1686                return value;
1687            } catch (RemoteException e) {
1688                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1689                return null;  // Return null, but don't cache it.
1690            } finally {
1691                if (c != null) c.close();
1692            }
1693        }
1694    }
1695
1696    /**
1697     * Checks if the specified context can draw on top of other apps. As of API
1698     * level 23, an app cannot draw on top of other apps unless it declares the
1699     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its
1700     * manifest, <em>and</em> the user specifically grants the app this
1701     * capability. To prompt the user to grant this approval, the app must send an
1702     * intent with the action
1703     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}, which
1704     * causes the system to display a permission management screen.
1705     *
1706     * @param context App context.
1707     * @return true if the specified context can draw on top of other apps, false otherwise
1708     */
1709    public static boolean canDrawOverlays(Context context) {
1710        return Settings.isCallingPackageAllowedToDrawOverlays(context, Process.myUid(),
1711                context.getOpPackageName(), false);
1712    }
1713
1714    /**
1715     * System settings, containing miscellaneous system preferences.  This
1716     * table holds simple name/value pairs.  There are convenience
1717     * functions for accessing individual settings entries.
1718     */
1719    public static final class System extends NameValueTable {
1720        private static final float DEFAULT_FONT_SCALE = 1.0f;
1721
1722        /** @hide */
1723        public static interface Validator {
1724            public boolean validate(String value);
1725        }
1726
1727        /**
1728         * The content:// style URL for this table
1729         */
1730        public static final Uri CONTENT_URI =
1731            Uri.parse("content://" + AUTHORITY + "/system");
1732
1733        private static final NameValueCache sNameValueCache = new NameValueCache(
1734                CONTENT_URI,
1735                CALL_METHOD_GET_SYSTEM,
1736                CALL_METHOD_PUT_SYSTEM);
1737
1738        private static final HashSet<String> MOVED_TO_SECURE;
1739        static {
1740            MOVED_TO_SECURE = new HashSet<String>(30);
1741            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1742            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1743            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1744            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1745            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1746            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1747            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1748            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1749            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1750            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1751            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1752            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1753            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1754            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1755            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1756            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1757            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1758            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1759            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1760            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1761            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1762            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1763            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1764            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1765            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1766            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1767            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1768            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1769
1770            // At one time in System, then Global, but now back in Secure
1771            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1772        }
1773
1774        private static final HashSet<String> MOVED_TO_GLOBAL;
1775        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1776        static {
1777            MOVED_TO_GLOBAL = new HashSet<String>();
1778            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1779
1780            // these were originally in system but migrated to secure in the past,
1781            // so are duplicated in the Secure.* namespace
1782            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1783            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1784            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1785            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1786            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1787            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1788
1789            // these are moving directly from system to global
1790            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1791            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1792            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1793            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1794            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1795            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1796            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1797            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1798            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1799            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1800            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1801            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1802            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1803            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1804            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1805            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1806            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1807            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1808            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1809            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1810            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1811            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1812            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1813            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1814            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1815            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1816            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1817            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1818            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1819            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1820            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1821            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1822            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1823            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1824            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1825            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1826        }
1827
1828        private static final Validator sBooleanValidator =
1829                new DiscreteValueValidator(new String[] {"0", "1"});
1830
1831        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1832            @Override
1833            public boolean validate(String value) {
1834                try {
1835                    return Integer.parseInt(value) >= 0;
1836                } catch (NumberFormatException e) {
1837                    return false;
1838                }
1839            }
1840        };
1841
1842        private static final Validator sUriValidator = new Validator() {
1843            @Override
1844            public boolean validate(String value) {
1845                try {
1846                    Uri.decode(value);
1847                    return true;
1848                } catch (IllegalArgumentException e) {
1849                    return false;
1850                }
1851            }
1852        };
1853
1854        private static final Validator sLenientIpAddressValidator = new Validator() {
1855            private static final int MAX_IPV6_LENGTH = 45;
1856
1857            @Override
1858            public boolean validate(String value) {
1859                return value.length() <= MAX_IPV6_LENGTH;
1860            }
1861        };
1862
1863        /** @hide */
1864        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1865            outKeySet.addAll(MOVED_TO_GLOBAL);
1866            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1867        }
1868
1869        /** @hide */
1870        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1871            outKeySet.addAll(MOVED_TO_SECURE);
1872        }
1873
1874        /** @hide */
1875        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1876            outKeySet.addAll(MOVED_TO_GLOBAL);
1877        }
1878
1879        /**
1880         * Look up a name in the database.
1881         * @param resolver to access the database with
1882         * @param name to look up in the table
1883         * @return the corresponding value, or null if not present
1884         */
1885        public static String getString(ContentResolver resolver, String name) {
1886            return getStringForUser(resolver, name, UserHandle.myUserId());
1887        }
1888
1889        /** @hide */
1890        public static String getStringForUser(ContentResolver resolver, String name,
1891                int userHandle) {
1892            if (MOVED_TO_SECURE.contains(name)) {
1893                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1894                        + " to android.provider.Settings.Secure, returning read-only value.");
1895                return Secure.getStringForUser(resolver, name, userHandle);
1896            }
1897            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1898                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1899                        + " to android.provider.Settings.Global, returning read-only value.");
1900                return Global.getStringForUser(resolver, name, userHandle);
1901            }
1902            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1903        }
1904
1905        /**
1906         * Store a name/value pair into the database.
1907         * @param resolver to access the database with
1908         * @param name to store
1909         * @param value to associate with the name
1910         * @return true if the value was set, false on database errors
1911         */
1912        public static boolean putString(ContentResolver resolver, String name, String value) {
1913            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1914        }
1915
1916        /** @hide */
1917        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1918                int userHandle) {
1919            if (MOVED_TO_SECURE.contains(name)) {
1920                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1921                        + " to android.provider.Settings.Secure, value is unchanged.");
1922                return false;
1923            }
1924            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1925                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1926                        + " to android.provider.Settings.Global, value is unchanged.");
1927                return false;
1928            }
1929            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1930        }
1931
1932        /**
1933         * Construct the content URI for a particular name/value pair,
1934         * useful for monitoring changes with a ContentObserver.
1935         * @param name to look up in the table
1936         * @return the corresponding content URI, or null if not present
1937         */
1938        public static Uri getUriFor(String name) {
1939            if (MOVED_TO_SECURE.contains(name)) {
1940                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1941                    + " to android.provider.Settings.Secure, returning Secure URI.");
1942                return Secure.getUriFor(Secure.CONTENT_URI, name);
1943            }
1944            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1945                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1946                        + " to android.provider.Settings.Global, returning read-only global URI.");
1947                return Global.getUriFor(Global.CONTENT_URI, name);
1948            }
1949            return getUriFor(CONTENT_URI, name);
1950        }
1951
1952        /**
1953         * Convenience function for retrieving a single system settings value
1954         * as an integer.  Note that internally setting values are always
1955         * stored as strings; this function converts the string to an integer
1956         * for you.  The default value will be returned if the setting is
1957         * not defined or not an integer.
1958         *
1959         * @param cr The ContentResolver to access.
1960         * @param name The name of the setting to retrieve.
1961         * @param def Value to return if the setting is not defined.
1962         *
1963         * @return The setting's current value, or 'def' if it is not defined
1964         * or not a valid integer.
1965         */
1966        public static int getInt(ContentResolver cr, String name, int def) {
1967            return getIntForUser(cr, name, def, UserHandle.myUserId());
1968        }
1969
1970        /** @hide */
1971        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1972            String v = getStringForUser(cr, name, userHandle);
1973            try {
1974                return v != null ? Integer.parseInt(v) : def;
1975            } catch (NumberFormatException e) {
1976                return def;
1977            }
1978        }
1979
1980        /**
1981         * Convenience function for retrieving a single system settings value
1982         * as an integer.  Note that internally setting values are always
1983         * stored as strings; this function converts the string to an integer
1984         * for you.
1985         * <p>
1986         * This version does not take a default value.  If the setting has not
1987         * been set, or the string value is not a number,
1988         * it throws {@link SettingNotFoundException}.
1989         *
1990         * @param cr The ContentResolver to access.
1991         * @param name The name of the setting to retrieve.
1992         *
1993         * @throws SettingNotFoundException Thrown if a setting by the given
1994         * name can't be found or the setting value is not an integer.
1995         *
1996         * @return The setting's current value.
1997         */
1998        public static int getInt(ContentResolver cr, String name)
1999                throws SettingNotFoundException {
2000            return getIntForUser(cr, name, UserHandle.myUserId());
2001        }
2002
2003        /** @hide */
2004        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
2005                throws SettingNotFoundException {
2006            String v = getStringForUser(cr, name, userHandle);
2007            try {
2008                return Integer.parseInt(v);
2009            } catch (NumberFormatException e) {
2010                throw new SettingNotFoundException(name);
2011            }
2012        }
2013
2014        /**
2015         * Convenience function for updating a single settings value as an
2016         * integer. This will either create a new entry in the table if the
2017         * given name does not exist, or modify the value of the existing row
2018         * with that name.  Note that internally setting values are always
2019         * stored as strings, so this function converts the given value to a
2020         * string before storing it.
2021         *
2022         * @param cr The ContentResolver to access.
2023         * @param name The name of the setting to modify.
2024         * @param value The new value for the setting.
2025         * @return true if the value was set, false on database errors
2026         */
2027        public static boolean putInt(ContentResolver cr, String name, int value) {
2028            return putIntForUser(cr, name, value, UserHandle.myUserId());
2029        }
2030
2031        /** @hide */
2032        public static boolean putIntForUser(ContentResolver cr, String name, int value,
2033                int userHandle) {
2034            return putStringForUser(cr, name, Integer.toString(value), userHandle);
2035        }
2036
2037        /**
2038         * Convenience function for retrieving a single system settings value
2039         * as a {@code long}.  Note that internally setting values are always
2040         * stored as strings; this function converts the string to a {@code long}
2041         * for you.  The default value will be returned if the setting is
2042         * not defined or not a {@code long}.
2043         *
2044         * @param cr The ContentResolver to access.
2045         * @param name The name of the setting to retrieve.
2046         * @param def Value to return if the setting is not defined.
2047         *
2048         * @return The setting's current value, or 'def' if it is not defined
2049         * or not a valid {@code long}.
2050         */
2051        public static long getLong(ContentResolver cr, String name, long def) {
2052            return getLongForUser(cr, name, def, UserHandle.myUserId());
2053        }
2054
2055        /** @hide */
2056        public static long getLongForUser(ContentResolver cr, String name, long def,
2057                int userHandle) {
2058            String valString = getStringForUser(cr, name, userHandle);
2059            long value;
2060            try {
2061                value = valString != null ? Long.parseLong(valString) : def;
2062            } catch (NumberFormatException e) {
2063                value = def;
2064            }
2065            return value;
2066        }
2067
2068        /**
2069         * Convenience function for retrieving a single system settings value
2070         * as a {@code long}.  Note that internally setting values are always
2071         * stored as strings; this function converts the string to a {@code long}
2072         * for you.
2073         * <p>
2074         * This version does not take a default value.  If the setting has not
2075         * been set, or the string value is not a number,
2076         * it throws {@link SettingNotFoundException}.
2077         *
2078         * @param cr The ContentResolver to access.
2079         * @param name The name of the setting to retrieve.
2080         *
2081         * @return The setting's current value.
2082         * @throws SettingNotFoundException Thrown if a setting by the given
2083         * name can't be found or the setting value is not an integer.
2084         */
2085        public static long getLong(ContentResolver cr, String name)
2086                throws SettingNotFoundException {
2087            return getLongForUser(cr, name, UserHandle.myUserId());
2088        }
2089
2090        /** @hide */
2091        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
2092                throws SettingNotFoundException {
2093            String valString = getStringForUser(cr, name, userHandle);
2094            try {
2095                return Long.parseLong(valString);
2096            } catch (NumberFormatException e) {
2097                throw new SettingNotFoundException(name);
2098            }
2099        }
2100
2101        /**
2102         * Convenience function for updating a single settings value as a long
2103         * integer. This will either create a new entry in the table if the
2104         * given name does not exist, or modify the value of the existing row
2105         * with that name.  Note that internally setting values are always
2106         * stored as strings, so this function converts the given value to a
2107         * string before storing it.
2108         *
2109         * @param cr The ContentResolver to access.
2110         * @param name The name of the setting to modify.
2111         * @param value The new value for the setting.
2112         * @return true if the value was set, false on database errors
2113         */
2114        public static boolean putLong(ContentResolver cr, String name, long value) {
2115            return putLongForUser(cr, name, value, UserHandle.myUserId());
2116        }
2117
2118        /** @hide */
2119        public static boolean putLongForUser(ContentResolver cr, String name, long value,
2120                int userHandle) {
2121            return putStringForUser(cr, name, Long.toString(value), userHandle);
2122        }
2123
2124        /**
2125         * Convenience function for retrieving a single system settings value
2126         * as a floating point number.  Note that internally setting values are
2127         * always stored as strings; this function converts the string to an
2128         * float for you. The default value will be returned if the setting
2129         * is not defined or not a valid float.
2130         *
2131         * @param cr The ContentResolver to access.
2132         * @param name The name of the setting to retrieve.
2133         * @param def Value to return if the setting is not defined.
2134         *
2135         * @return The setting's current value, or 'def' if it is not defined
2136         * or not a valid float.
2137         */
2138        public static float getFloat(ContentResolver cr, String name, float def) {
2139            return getFloatForUser(cr, name, def, UserHandle.myUserId());
2140        }
2141
2142        /** @hide */
2143        public static float getFloatForUser(ContentResolver cr, String name, float def,
2144                int userHandle) {
2145            String v = getStringForUser(cr, name, userHandle);
2146            try {
2147                return v != null ? Float.parseFloat(v) : def;
2148            } catch (NumberFormatException e) {
2149                return def;
2150            }
2151        }
2152
2153        /**
2154         * Convenience function for retrieving a single system settings value
2155         * as a float.  Note that internally setting values are always
2156         * stored as strings; this function converts the string to a float
2157         * for you.
2158         * <p>
2159         * This version does not take a default value.  If the setting has not
2160         * been set, or the string value is not a number,
2161         * it throws {@link SettingNotFoundException}.
2162         *
2163         * @param cr The ContentResolver to access.
2164         * @param name The name of the setting to retrieve.
2165         *
2166         * @throws SettingNotFoundException Thrown if a setting by the given
2167         * name can't be found or the setting value is not a float.
2168         *
2169         * @return The setting's current value.
2170         */
2171        public static float getFloat(ContentResolver cr, String name)
2172                throws SettingNotFoundException {
2173            return getFloatForUser(cr, name, UserHandle.myUserId());
2174        }
2175
2176        /** @hide */
2177        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
2178                throws SettingNotFoundException {
2179            String v = getStringForUser(cr, name, userHandle);
2180            if (v == null) {
2181                throw new SettingNotFoundException(name);
2182            }
2183            try {
2184                return Float.parseFloat(v);
2185            } catch (NumberFormatException e) {
2186                throw new SettingNotFoundException(name);
2187            }
2188        }
2189
2190        /**
2191         * Convenience function for updating a single settings value as a
2192         * floating point number. This will either create a new entry in the
2193         * table if the given name does not exist, or modify the value of the
2194         * existing row with that name.  Note that internally setting values
2195         * are always stored as strings, so this function converts the given
2196         * value to a string before storing it.
2197         *
2198         * @param cr The ContentResolver to access.
2199         * @param name The name of the setting to modify.
2200         * @param value The new value for the setting.
2201         * @return true if the value was set, false on database errors
2202         */
2203        public static boolean putFloat(ContentResolver cr, String name, float value) {
2204            return putFloatForUser(cr, name, value, UserHandle.myUserId());
2205        }
2206
2207        /** @hide */
2208        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
2209                int userHandle) {
2210            return putStringForUser(cr, name, Float.toString(value), userHandle);
2211        }
2212
2213        /**
2214         * Convenience function to read all of the current
2215         * configuration-related settings into a
2216         * {@link Configuration} object.
2217         *
2218         * @param cr The ContentResolver to access.
2219         * @param outConfig Where to place the configuration settings.
2220         */
2221        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
2222            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
2223        }
2224
2225        /** @hide */
2226        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
2227                int userHandle) {
2228            outConfig.fontScale = Settings.System.getFloatForUser(
2229                    cr, FONT_SCALE, DEFAULT_FONT_SCALE, userHandle);
2230            if (outConfig.fontScale < 0) {
2231                outConfig.fontScale = DEFAULT_FONT_SCALE;
2232            }
2233            outConfig.setLocales(LocaleList.forLanguageTags(
2234                    Settings.System.getStringForUser(cr, SYSTEM_LOCALES, userHandle)));
2235        }
2236
2237        /**
2238         * @hide Erase the fields in the Configuration that should be applied
2239         * by the settings.
2240         */
2241        public static void clearConfiguration(Configuration inoutConfig) {
2242            inoutConfig.fontScale = 0;
2243            if (!inoutConfig.userSetLocale && !inoutConfig.getLocales().isEmpty()) {
2244                inoutConfig.setLocales(LocaleList.getEmptyLocaleList());
2245            }
2246        }
2247
2248        /**
2249         * Convenience function to write a batch of configuration-related
2250         * settings from a {@link Configuration} object.
2251         *
2252         * @param cr The ContentResolver to access.
2253         * @param config The settings to write.
2254         * @return true if the values were set, false on database errors
2255         */
2256        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2257            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2258        }
2259
2260        /** @hide */
2261        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2262                int userHandle) {
2263            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle) &&
2264                    Settings.System.putStringForUser(
2265                            cr, SYSTEM_LOCALES, config.getLocales().toLanguageTags(), userHandle);
2266        }
2267
2268        /** @hide */
2269        public static boolean hasInterestingConfigurationChanges(int changes) {
2270            return (changes & ActivityInfo.CONFIG_FONT_SCALE) != 0 ||
2271                    (changes & ActivityInfo.CONFIG_LOCALE) != 0;
2272        }
2273
2274        /** @deprecated - Do not use */
2275        @Deprecated
2276        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2277            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2278        }
2279
2280        /**
2281         * @hide
2282         * @deprecated - Do not use
2283         */
2284        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2285                int userHandle) {
2286            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2287        }
2288
2289        /** @deprecated - Do not use */
2290        @Deprecated
2291        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2292            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2293        }
2294
2295        /**
2296         * @hide
2297         * @deprecated - Do not use
2298         */
2299        @Deprecated
2300        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2301                int userHandle) {
2302            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2303        }
2304
2305        private static final class DiscreteValueValidator implements Validator {
2306            private final String[] mValues;
2307
2308            public DiscreteValueValidator(String[] values) {
2309                mValues = values;
2310            }
2311
2312            @Override
2313            public boolean validate(String value) {
2314                return ArrayUtils.contains(mValues, value);
2315            }
2316        }
2317
2318        private static final class InclusiveIntegerRangeValidator implements Validator {
2319            private final int mMin;
2320            private final int mMax;
2321
2322            public InclusiveIntegerRangeValidator(int min, int max) {
2323                mMin = min;
2324                mMax = max;
2325            }
2326
2327            @Override
2328            public boolean validate(String value) {
2329                try {
2330                    final int intValue = Integer.parseInt(value);
2331                    return intValue >= mMin && intValue <= mMax;
2332                } catch (NumberFormatException e) {
2333                    return false;
2334                }
2335            }
2336        }
2337
2338        private static final class InclusiveFloatRangeValidator implements Validator {
2339            private final float mMin;
2340            private final float mMax;
2341
2342            public InclusiveFloatRangeValidator(float min, float max) {
2343                mMin = min;
2344                mMax = max;
2345            }
2346
2347            @Override
2348            public boolean validate(String value) {
2349                try {
2350                    final float floatValue = Float.parseFloat(value);
2351                    return floatValue >= mMin && floatValue <= mMax;
2352                } catch (NumberFormatException e) {
2353                    return false;
2354                }
2355            }
2356        }
2357
2358        /**
2359         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2360         */
2361        @Deprecated
2362        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2363
2364        /**
2365         * What happens when the user presses the end call button if they're not
2366         * on a call.<br/>
2367         * <b>Values:</b><br/>
2368         * 0 - The end button does nothing.<br/>
2369         * 1 - The end button goes to the home screen.<br/>
2370         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2371         * 3 - The end button goes to the home screen.  If the user is already on the
2372         * home screen, it puts the device to sleep.
2373         */
2374        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2375
2376        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2377                new InclusiveIntegerRangeValidator(0, 3);
2378
2379        /**
2380         * END_BUTTON_BEHAVIOR value for "go home".
2381         * @hide
2382         */
2383        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2384
2385        /**
2386         * END_BUTTON_BEHAVIOR value for "go to sleep".
2387         * @hide
2388         */
2389        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2390
2391        /**
2392         * END_BUTTON_BEHAVIOR default value.
2393         * @hide
2394         */
2395        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2396
2397        /**
2398         * Is advanced settings mode turned on. 0 == no, 1 == yes
2399         * @hide
2400         */
2401        public static final String ADVANCED_SETTINGS = "advanced_settings";
2402
2403        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2404
2405        /**
2406         * ADVANCED_SETTINGS default value.
2407         * @hide
2408         */
2409        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2410
2411        /**
2412         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2413         */
2414        @Deprecated
2415        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2416
2417        /**
2418         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2419         */
2420        @Deprecated
2421        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2422
2423        /**
2424         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2425         */
2426        @Deprecated
2427        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2428
2429        /**
2430         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2431         * {@hide}
2432         */
2433        @Deprecated
2434        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2435
2436        /**
2437         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2438         */
2439        @Deprecated
2440        public static final String RADIO_CELL = Global.RADIO_CELL;
2441
2442        /**
2443         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2444         */
2445        @Deprecated
2446        public static final String RADIO_NFC = Global.RADIO_NFC;
2447
2448        /**
2449         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2450         */
2451        @Deprecated
2452        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2453
2454        /**
2455         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2456         *
2457         * {@hide}
2458         */
2459        @Deprecated
2460        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2461                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2462
2463        /**
2464         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2465         */
2466        @Deprecated
2467        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2468
2469        /**
2470         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2471         */
2472        @Deprecated
2473        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2474
2475        /**
2476         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2477         */
2478        @Deprecated
2479        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2480                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2481
2482        /**
2483         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2484         */
2485        @Deprecated
2486        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2487
2488        /**
2489         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2490         */
2491        @Deprecated
2492        public static final String MODE_RINGER = Global.MODE_RINGER;
2493
2494        /**
2495         * Whether to use static IP and other static network attributes.
2496         * <p>
2497         * Set to 1 for true and 0 for false.
2498         *
2499         * @deprecated Use {@link WifiManager} instead
2500         */
2501        @Deprecated
2502        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2503
2504        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2505
2506        /**
2507         * The static IP address.
2508         * <p>
2509         * Example: "192.168.1.51"
2510         *
2511         * @deprecated Use {@link WifiManager} instead
2512         */
2513        @Deprecated
2514        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2515
2516        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2517
2518        /**
2519         * If using static IP, the gateway's IP address.
2520         * <p>
2521         * Example: "192.168.1.1"
2522         *
2523         * @deprecated Use {@link WifiManager} instead
2524         */
2525        @Deprecated
2526        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2527
2528        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2529
2530        /**
2531         * If using static IP, the net mask.
2532         * <p>
2533         * Example: "255.255.255.0"
2534         *
2535         * @deprecated Use {@link WifiManager} instead
2536         */
2537        @Deprecated
2538        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2539
2540        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2541
2542        /**
2543         * If using static IP, the primary DNS's IP address.
2544         * <p>
2545         * Example: "192.168.1.1"
2546         *
2547         * @deprecated Use {@link WifiManager} instead
2548         */
2549        @Deprecated
2550        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2551
2552        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2553
2554        /**
2555         * If using static IP, the secondary DNS's IP address.
2556         * <p>
2557         * Example: "192.168.1.2"
2558         *
2559         * @deprecated Use {@link WifiManager} instead
2560         */
2561        @Deprecated
2562        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2563
2564        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2565
2566        /**
2567         * Determines whether remote devices may discover and/or connect to
2568         * this device.
2569         * <P>Type: INT</P>
2570         * 2 -- discoverable and connectable
2571         * 1 -- connectable but not discoverable
2572         * 0 -- neither connectable nor discoverable
2573         */
2574        public static final String BLUETOOTH_DISCOVERABILITY =
2575            "bluetooth_discoverability";
2576
2577        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2578                new InclusiveIntegerRangeValidator(0, 2);
2579
2580        /**
2581         * Bluetooth discoverability timeout.  If this value is nonzero, then
2582         * Bluetooth becomes discoverable for a certain number of seconds,
2583         * after which is becomes simply connectable.  The value is in seconds.
2584         */
2585        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2586            "bluetooth_discoverability_timeout";
2587
2588        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2589                sNonNegativeIntegerValidator;
2590
2591        /**
2592         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2593         * instead
2594         */
2595        @Deprecated
2596        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2597
2598        /**
2599         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2600         * instead
2601         */
2602        @Deprecated
2603        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2604
2605        /**
2606         * @deprecated Use
2607         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2608         * instead
2609         */
2610        @Deprecated
2611        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2612            "lock_pattern_tactile_feedback_enabled";
2613
2614        /**
2615         * A formatted string of the next alarm that is set, or the empty string
2616         * if there is no alarm set.
2617         *
2618         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2619         */
2620        @Deprecated
2621        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2622
2623        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2624            private static final int MAX_LENGTH = 1000;
2625
2626            @Override
2627            public boolean validate(String value) {
2628                // TODO: No idea what the correct format is.
2629                return value == null || value.length() < MAX_LENGTH;
2630            }
2631        };
2632
2633        /**
2634         * Scaling factor for fonts, float.
2635         */
2636        public static final String FONT_SCALE = "font_scale";
2637
2638        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2639            @Override
2640            public boolean validate(String value) {
2641                try {
2642                    return Float.parseFloat(value) >= 0;
2643                } catch (NumberFormatException e) {
2644                    return false;
2645                }
2646            }
2647        };
2648
2649        /**
2650         * The serialized system locale value.
2651         *
2652         * Do not use this value directory.
2653         * To get system locale, use {@link android.util.LocaleList#getDefault} instead.
2654         * To update system locale, use {@link com.android.internal.app.LocalePicker#updateLocales}
2655         * instead.
2656         * @hide
2657         */
2658        public static final String SYSTEM_LOCALES = "system_locales";
2659
2660
2661        /**
2662         * Name of an application package to be debugged.
2663         *
2664         * @deprecated Use {@link Global#DEBUG_APP} instead
2665         */
2666        @Deprecated
2667        public static final String DEBUG_APP = Global.DEBUG_APP;
2668
2669        /**
2670         * If 1, when launching DEBUG_APP it will wait for the debugger before
2671         * starting user code.  If 0, it will run normally.
2672         *
2673         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2674         */
2675        @Deprecated
2676        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2677
2678        /**
2679         * Whether or not to dim the screen. 0=no  1=yes
2680         * @deprecated This setting is no longer used.
2681         */
2682        @Deprecated
2683        public static final String DIM_SCREEN = "dim_screen";
2684
2685        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2686
2687        /**
2688         * The amount of time in milliseconds before the device goes to sleep or begins
2689         * to dream after a period of inactivity.  This value is also known as the
2690         * user activity timeout period since the screen isn't necessarily turned off
2691         * when it expires.
2692         */
2693        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2694
2695        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2696
2697        /**
2698         * The screen backlight brightness between 0 and 255.
2699         */
2700        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2701
2702        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2703                new InclusiveIntegerRangeValidator(0, 255);
2704
2705        /**
2706         * Control whether to enable automatic brightness mode.
2707         */
2708        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2709
2710        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2711
2712        /**
2713         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2714         * or less (<0.0 >-1.0) bright.
2715         * @hide
2716         */
2717        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2718
2719        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2720                new InclusiveFloatRangeValidator(-1, 1);
2721
2722        /**
2723         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2724         */
2725        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2726
2727        /**
2728         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2729         */
2730        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2731
2732        /**
2733         * Control whether the process CPU usage meter should be shown.
2734         *
2735         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2736         */
2737        @Deprecated
2738        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2739
2740        /**
2741         * If 1, the activity manager will aggressively finish activities and
2742         * processes as soon as they are no longer needed.  If 0, the normal
2743         * extended lifetime is used.
2744         *
2745         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2746         */
2747        @Deprecated
2748        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2749
2750        /**
2751         * Determines which streams are affected by ringer mode changes. The
2752         * stream type's bit should be set to 1 if it should be muted when going
2753         * into an inaudible ringer mode.
2754         */
2755        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2756
2757        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2758                sNonNegativeIntegerValidator;
2759
2760        /**
2761          * Determines which streams are affected by mute. The
2762          * stream type's bit should be set to 1 if it should be muted when a mute request
2763          * is received.
2764          */
2765        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2766
2767        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2768                sNonNegativeIntegerValidator;
2769
2770        /**
2771         * Whether vibrate is on for different events. This is used internally,
2772         * changing this value will not change the vibrate. See AudioManager.
2773         */
2774        public static final String VIBRATE_ON = "vibrate_on";
2775
2776        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2777
2778        /**
2779         * If 1, redirects the system vibrator to all currently attached input devices
2780         * that support vibration.  If there are no such input devices, then the system
2781         * vibrator is used instead.
2782         * If 0, does not register the system vibrator.
2783         *
2784         * This setting is mainly intended to provide a compatibility mechanism for
2785         * applications that only know about the system vibrator and do not use the
2786         * input device vibrator API.
2787         *
2788         * @hide
2789         */
2790        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2791
2792        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2793
2794        /**
2795         * Ringer volume. This is used internally, changing this value will not
2796         * change the volume. See AudioManager.
2797         *
2798         * @removed Not used by anything since API 2.
2799         */
2800        public static final String VOLUME_RING = "volume_ring";
2801
2802        /**
2803         * System/notifications volume. This is used internally, changing this
2804         * value will not change the volume. See AudioManager.
2805         *
2806         * @removed Not used by anything since API 2.
2807         */
2808        public static final String VOLUME_SYSTEM = "volume_system";
2809
2810        /**
2811         * Voice call volume. This is used internally, changing this value will
2812         * not change the volume. See AudioManager.
2813         *
2814         * @removed Not used by anything since API 2.
2815         */
2816        public static final String VOLUME_VOICE = "volume_voice";
2817
2818        /**
2819         * Music/media/gaming volume. This is used internally, changing this
2820         * value will not change the volume. See AudioManager.
2821         *
2822         * @removed Not used by anything since API 2.
2823         */
2824        public static final String VOLUME_MUSIC = "volume_music";
2825
2826        /**
2827         * Alarm volume. This is used internally, changing this
2828         * value will not change the volume. See AudioManager.
2829         *
2830         * @removed Not used by anything since API 2.
2831         */
2832        public static final String VOLUME_ALARM = "volume_alarm";
2833
2834        /**
2835         * Notification volume. This is used internally, changing this
2836         * value will not change the volume. See AudioManager.
2837         *
2838         * @removed Not used by anything since API 2.
2839         */
2840        public static final String VOLUME_NOTIFICATION = "volume_notification";
2841
2842        /**
2843         * Bluetooth Headset volume. This is used internally, changing this value will
2844         * not change the volume. See AudioManager.
2845         *
2846         * @removed Not used by anything since API 2.
2847         */
2848        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2849
2850        /**
2851         * Master volume (float in the range 0.0f to 1.0f).
2852         *
2853         * @hide
2854         */
2855        public static final String VOLUME_MASTER = "volume_master";
2856
2857        /**
2858         * Master mono (int 1 = mono, 0 = normal).
2859         *
2860         * @hide
2861         */
2862        public static final String MASTER_MONO = "master_mono";
2863
2864        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2865
2866        /**
2867         * Whether the notifications should use the ring volume (value of 1) or
2868         * a separate notification volume (value of 0). In most cases, users
2869         * will have this enabled so the notification and ringer volumes will be
2870         * the same. However, power users can disable this and use the separate
2871         * notification volume control.
2872         * <p>
2873         * Note: This is a one-off setting that will be removed in the future
2874         * when there is profile support. For this reason, it is kept hidden
2875         * from the public APIs.
2876         *
2877         * @hide
2878         * @deprecated
2879         */
2880        @Deprecated
2881        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2882            "notifications_use_ring_volume";
2883
2884        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2885
2886        /**
2887         * Whether silent mode should allow vibration feedback. This is used
2888         * internally in AudioService and the Sound settings activity to
2889         * coordinate decoupling of vibrate and silent modes. This setting
2890         * will likely be removed in a future release with support for
2891         * audio/vibe feedback profiles.
2892         *
2893         * Not used anymore. On devices with vibrator, the user explicitly selects
2894         * silent or vibrate mode.
2895         * Kept for use by legacy database upgrade code in DatabaseHelper.
2896         * @hide
2897         */
2898        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2899
2900        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2901
2902        /**
2903         * The mapping of stream type (integer) to its setting.
2904         *
2905         * @removed  Not used by anything since API 2.
2906         */
2907        public static final String[] VOLUME_SETTINGS = {
2908            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2909            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2910        };
2911
2912        /**
2913         * Appended to various volume related settings to record the previous
2914         * values before they the settings were affected by a silent/vibrate
2915         * ringer mode change.
2916         *
2917         * @removed  Not used by anything since API 2.
2918         */
2919        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2920
2921        /**
2922         * Persistent store for the system-wide default ringtone URI.
2923         * <p>
2924         * If you need to play the default ringtone at any given time, it is recommended
2925         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2926         * to the set default ringtone at the time of playing.
2927         *
2928         * @see #DEFAULT_RINGTONE_URI
2929         */
2930        public static final String RINGTONE = "ringtone";
2931
2932        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2933
2934        /**
2935         * A {@link Uri} that will point to the current default ringtone at any
2936         * given time.
2937         * <p>
2938         * If the current default ringtone is in the DRM provider and the caller
2939         * does not have permission, the exception will be a
2940         * FileNotFoundException.
2941         */
2942        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2943
2944        /** {@hide} */
2945        public static final String RINGTONE_CACHE = "ringtone_cache";
2946        /** {@hide} */
2947        public static final Uri RINGTONE_CACHE_URI = getUriFor(RINGTONE_CACHE);
2948
2949        /**
2950         * Persistent store for the system-wide default notification sound.
2951         *
2952         * @see #RINGTONE
2953         * @see #DEFAULT_NOTIFICATION_URI
2954         */
2955        public static final String NOTIFICATION_SOUND = "notification_sound";
2956
2957        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2958
2959        /**
2960         * A {@link Uri} that will point to the current default notification
2961         * sound at any given time.
2962         *
2963         * @see #DEFAULT_RINGTONE_URI
2964         */
2965        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2966
2967        /** {@hide} */
2968        public static final String NOTIFICATION_SOUND_CACHE = "notification_sound_cache";
2969        /** {@hide} */
2970        public static final Uri NOTIFICATION_SOUND_CACHE_URI = getUriFor(NOTIFICATION_SOUND_CACHE);
2971
2972        /**
2973         * Persistent store for the system-wide default alarm alert.
2974         *
2975         * @see #RINGTONE
2976         * @see #DEFAULT_ALARM_ALERT_URI
2977         */
2978        public static final String ALARM_ALERT = "alarm_alert";
2979
2980        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2981
2982        /**
2983         * A {@link Uri} that will point to the current default alarm alert at
2984         * any given time.
2985         *
2986         * @see #DEFAULT_ALARM_ALERT_URI
2987         */
2988        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2989
2990        /** {@hide} */
2991        public static final String ALARM_ALERT_CACHE = "alarm_alert_cache";
2992        /** {@hide} */
2993        public static final Uri ALARM_ALERT_CACHE_URI = getUriFor(ALARM_ALERT_CACHE);
2994
2995        /**
2996         * Persistent store for the system default media button event receiver.
2997         *
2998         * @hide
2999         */
3000        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
3001
3002        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
3003            @Override
3004            public boolean validate(String value) {
3005                try {
3006                    ComponentName.unflattenFromString(value);
3007                    return true;
3008                } catch (NullPointerException e) {
3009                    return false;
3010                }
3011            }
3012        };
3013
3014        /**
3015         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
3016         */
3017        public static final String TEXT_AUTO_REPLACE = "auto_replace";
3018
3019        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
3020
3021        /**
3022         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
3023         */
3024        public static final String TEXT_AUTO_CAPS = "auto_caps";
3025
3026        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
3027
3028        /**
3029         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
3030         * feature converts two spaces to a "." and space.
3031         */
3032        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
3033
3034        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
3035
3036        /**
3037         * Setting to showing password characters in text editors. 1 = On, 0 = Off
3038         */
3039        public static final String TEXT_SHOW_PASSWORD = "show_password";
3040
3041        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
3042
3043        public static final String SHOW_GTALK_SERVICE_STATUS =
3044                "SHOW_GTALK_SERVICE_STATUS";
3045
3046        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
3047
3048        /**
3049         * Name of activity to use for wallpaper on the home screen.
3050         *
3051         * @deprecated Use {@link WallpaperManager} instead.
3052         */
3053        @Deprecated
3054        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
3055
3056        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
3057            private static final int MAX_LENGTH = 1000;
3058
3059            @Override
3060            public boolean validate(String value) {
3061                if (value != null && value.length() > MAX_LENGTH) {
3062                    return false;
3063                }
3064                return ComponentName.unflattenFromString(value) != null;
3065            }
3066        };
3067
3068        /**
3069         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
3070         * instead
3071         */
3072        @Deprecated
3073        public static final String AUTO_TIME = Global.AUTO_TIME;
3074
3075        /**
3076         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
3077         * instead
3078         */
3079        @Deprecated
3080        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
3081
3082        /**
3083         * Display times as 12 or 24 hours
3084         *   12
3085         *   24
3086         */
3087        public static final String TIME_12_24 = "time_12_24";
3088
3089        /** @hide */
3090        public static final Validator TIME_12_24_VALIDATOR =
3091                new DiscreteValueValidator(new String[] {"12", "24"});
3092
3093        /**
3094         * Date format string
3095         *   mm/dd/yyyy
3096         *   dd/mm/yyyy
3097         *   yyyy/mm/dd
3098         */
3099        public static final String DATE_FORMAT = "date_format";
3100
3101        /** @hide */
3102        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
3103            @Override
3104            public boolean validate(String value) {
3105                try {
3106                    new SimpleDateFormat(value);
3107                    return true;
3108                } catch (IllegalArgumentException e) {
3109                    return false;
3110                }
3111            }
3112        };
3113
3114        /**
3115         * Whether the setup wizard has been run before (on first boot), or if
3116         * it still needs to be run.
3117         *
3118         * nonzero = it has been run in the past
3119         * 0 = it has not been run in the past
3120         */
3121        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
3122
3123        /** @hide */
3124        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
3125
3126        /**
3127         * Scaling factor for normal window animations. Setting to 0 will disable window
3128         * animations.
3129         *
3130         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
3131         */
3132        @Deprecated
3133        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
3134
3135        /**
3136         * Scaling factor for activity transition animations. Setting to 0 will disable window
3137         * animations.
3138         *
3139         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
3140         */
3141        @Deprecated
3142        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
3143
3144        /**
3145         * Scaling factor for Animator-based animations. This affects both the start delay and
3146         * duration of all such animations. Setting to 0 will cause animations to end immediately.
3147         * The default value is 1.
3148         *
3149         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
3150         */
3151        @Deprecated
3152        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
3153
3154        /**
3155         * Control whether the accelerometer will be used to change screen
3156         * orientation.  If 0, it will not be used unless explicitly requested
3157         * by the application; if 1, it will be used by default unless explicitly
3158         * disabled by the application.
3159         */
3160        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
3161
3162        /** @hide */
3163        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
3164
3165        /**
3166         * Default screen rotation when no other policy applies.
3167         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
3168         * preference, this rotation value will be used. Must be one of the
3169         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
3170         *
3171         * @see android.view.Display#getRotation
3172         */
3173        public static final String USER_ROTATION = "user_rotation";
3174
3175        /** @hide */
3176        public static final Validator USER_ROTATION_VALIDATOR =
3177                new InclusiveIntegerRangeValidator(0, 3);
3178
3179        /**
3180         * Control whether the rotation lock toggle in the System UI should be hidden.
3181         * Typically this is done for accessibility purposes to make it harder for
3182         * the user to accidentally toggle the rotation lock while the display rotation
3183         * has been locked for accessibility.
3184         *
3185         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
3186         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
3187         *
3188         * @hide
3189         */
3190        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
3191                "hide_rotation_lock_toggle_for_accessibility";
3192
3193        /** @hide */
3194        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
3195                sBooleanValidator;
3196
3197        /**
3198         * Whether the phone vibrates when it is ringing due to an incoming call. This will
3199         * be used by Phone and Setting apps; it shouldn't affect other apps.
3200         * The value is boolean (1 or 0).
3201         *
3202         * Note: this is not same as "vibrate on ring", which had been available until ICS.
3203         * It was about AudioManager's setting and thus affected all the applications which
3204         * relied on the setting, while this is purely about the vibration setting for incoming
3205         * calls.
3206         */
3207        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
3208
3209        /** @hide */
3210        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
3211
3212        /**
3213         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
3214         * boolean (1 or 0).
3215         */
3216        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
3217
3218        /** @hide */
3219        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3220
3221        /**
3222         * CDMA only settings
3223         * DTMF tone type played by the dialer when dialing.
3224         *                 0 = Normal
3225         *                 1 = Long
3226         */
3227        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3228
3229        /** @hide */
3230        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3231
3232        /**
3233         * Whether the hearing aid is enabled. The value is
3234         * boolean (1 or 0).
3235         * @hide
3236         */
3237        public static final String HEARING_AID = "hearing_aid";
3238
3239        /** @hide */
3240        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3241
3242        /**
3243         * CDMA only settings
3244         * TTY Mode
3245         * 0 = OFF
3246         * 1 = FULL
3247         * 2 = VCO
3248         * 3 = HCO
3249         * @hide
3250         */
3251        public static final String TTY_MODE = "tty_mode";
3252
3253        /** @hide */
3254        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3255
3256        /**
3257         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3258         * boolean (1 or 0).
3259         */
3260        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3261
3262        /** @hide */
3263        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3264
3265        /**
3266         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3267         * boolean (1 or 0).
3268         */
3269        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3270
3271        /** @hide */
3272        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3273
3274        /**
3275         * @deprecated Each application that shows web suggestions should have its own
3276         * setting for this.
3277         */
3278        @Deprecated
3279        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3280
3281        /** @hide */
3282        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3283
3284        /**
3285         * Whether the notification LED should repeatedly flash when a notification is
3286         * pending. The value is boolean (1 or 0).
3287         * @hide
3288         */
3289        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3290
3291        /** @hide */
3292        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3293
3294        /**
3295         * Show pointer location on screen?
3296         * 0 = no
3297         * 1 = yes
3298         * @hide
3299         */
3300        public static final String POINTER_LOCATION = "pointer_location";
3301
3302        /** @hide */
3303        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3304
3305        /**
3306         * Show touch positions on screen?
3307         * 0 = no
3308         * 1 = yes
3309         * @hide
3310         */
3311        public static final String SHOW_TOUCHES = "show_touches";
3312
3313        /** @hide */
3314        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3315
3316        /**
3317         * Log raw orientation data from
3318         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3319         * orientationplot.py tool.
3320         * 0 = no
3321         * 1 = yes
3322         * @hide
3323         */
3324        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3325                "window_orientation_listener_log";
3326
3327        /** @hide */
3328        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3329
3330        /**
3331         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3332         * instead
3333         * @hide
3334         */
3335        @Deprecated
3336        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3337
3338        /**
3339         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3340         * instead
3341         * @hide
3342         */
3343        @Deprecated
3344        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3345
3346        /**
3347         * Whether to play sounds when the keyguard is shown and dismissed.
3348         * @hide
3349         */
3350        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3351
3352        /** @hide */
3353        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3354
3355        /**
3356         * Whether the lockscreen should be completely disabled.
3357         * @hide
3358         */
3359        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3360
3361        /** @hide */
3362        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3363
3364        /**
3365         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3366         * instead
3367         * @hide
3368         */
3369        @Deprecated
3370        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3371
3372        /**
3373         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3374         * instead
3375         * @hide
3376         */
3377        @Deprecated
3378        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3379
3380        /**
3381         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3382         * instead
3383         * @hide
3384         */
3385        @Deprecated
3386        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3387
3388        /**
3389         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3390         * instead
3391         * @hide
3392         */
3393        @Deprecated
3394        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3395
3396        /**
3397         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3398         * instead
3399         * @hide
3400         */
3401        @Deprecated
3402        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3403
3404        /**
3405         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3406         * instead
3407         * @hide
3408         */
3409        @Deprecated
3410        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3411
3412        /**
3413         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3414         * instead
3415         * @hide
3416         */
3417        @Deprecated
3418        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3419
3420        /**
3421         * Receive incoming SIP calls?
3422         * 0 = no
3423         * 1 = yes
3424         * @hide
3425         */
3426        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3427
3428        /** @hide */
3429        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3430
3431        /**
3432         * Call Preference String.
3433         * "SIP_ALWAYS" : Always use SIP with network access
3434         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3435         * @hide
3436         */
3437        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3438
3439        /** @hide */
3440        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3441                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3442
3443        /**
3444         * One of the sip call options: Always use SIP with network access.
3445         * @hide
3446         */
3447        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3448
3449        /** @hide */
3450        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3451
3452        /**
3453         * One of the sip call options: Only if destination is a SIP address.
3454         * @hide
3455         */
3456        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3457
3458        /** @hide */
3459        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3460
3461        /**
3462         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3463         * the user should be prompted each time a call is made whether it should be placed using
3464         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3465         * SIP_ADDRESS_ONLY.
3466         * @hide
3467         */
3468        @Deprecated
3469        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3470
3471        /** @hide */
3472        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3473
3474        /**
3475         * Pointer speed setting.
3476         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3477         *   -7 = slowest
3478         *    0 = default speed
3479         *   +7 = fastest
3480         * @hide
3481         */
3482        public static final String POINTER_SPEED = "pointer_speed";
3483
3484        /** @hide */
3485        public static final Validator POINTER_SPEED_VALIDATOR =
3486                new InclusiveFloatRangeValidator(-7, 7);
3487
3488        /**
3489         * Whether lock-to-app will be triggered by long-press on recents.
3490         * @hide
3491         */
3492        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3493
3494        /** @hide */
3495        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3496
3497        /**
3498         * I am the lolrus.
3499         * <p>
3500         * Nonzero values indicate that the user has a bukkit.
3501         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3502         * @hide
3503         */
3504        public static final String EGG_MODE = "egg_mode";
3505
3506        /** @hide */
3507        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3508            @Override
3509            public boolean validate(String value) {
3510                try {
3511                    return Long.parseLong(value) >= 0;
3512                } catch (NumberFormatException e) {
3513                    return false;
3514                }
3515            }
3516        };
3517
3518        /**
3519         * IMPORTANT: If you add a new public settings you also have to add it to
3520         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3521         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3522         * the setting value. See an example above.
3523         */
3524
3525        /**
3526         * Settings to backup. This is here so that it's in the same place as the settings
3527         * keys and easy to update.
3528         *
3529         * NOTE: Settings are backed up and restored in the order they appear
3530         *       in this array. If you have one setting depending on another,
3531         *       make sure that they are ordered appropriately.
3532         *
3533         * @hide
3534         */
3535        public static final String[] SETTINGS_TO_BACKUP = {
3536            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3537            WIFI_USE_STATIC_IP,
3538            WIFI_STATIC_IP,
3539            WIFI_STATIC_GATEWAY,
3540            WIFI_STATIC_NETMASK,
3541            WIFI_STATIC_DNS1,
3542            WIFI_STATIC_DNS2,
3543            BLUETOOTH_DISCOVERABILITY,
3544            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3545            FONT_SCALE,
3546            DIM_SCREEN,
3547            SCREEN_OFF_TIMEOUT,
3548            SCREEN_BRIGHTNESS,
3549            SCREEN_BRIGHTNESS_MODE,
3550            SCREEN_AUTO_BRIGHTNESS_ADJ,
3551            VIBRATE_INPUT_DEVICES,
3552            MODE_RINGER_STREAMS_AFFECTED,
3553            TEXT_AUTO_REPLACE,
3554            TEXT_AUTO_CAPS,
3555            TEXT_AUTO_PUNCTUATE,
3556            TEXT_SHOW_PASSWORD,
3557            AUTO_TIME,                  // moved to global
3558            AUTO_TIME_ZONE,             // moved to global
3559            TIME_12_24,
3560            DATE_FORMAT,
3561            DTMF_TONE_WHEN_DIALING,
3562            DTMF_TONE_TYPE_WHEN_DIALING,
3563            HEARING_AID,
3564            TTY_MODE,
3565            SOUND_EFFECTS_ENABLED,
3566            HAPTIC_FEEDBACK_ENABLED,
3567            POWER_SOUNDS_ENABLED,       // moved to global
3568            DOCK_SOUNDS_ENABLED,        // moved to global
3569            LOCKSCREEN_SOUNDS_ENABLED,
3570            SHOW_WEB_SUGGESTIONS,
3571            SIP_CALL_OPTIONS,
3572            SIP_RECEIVE_CALLS,
3573            POINTER_SPEED,
3574            VIBRATE_WHEN_RINGING,
3575            RINGTONE,
3576            LOCK_TO_APP_ENABLED,
3577            NOTIFICATION_SOUND,
3578            ACCELEROMETER_ROTATION
3579        };
3580
3581        /**
3582         * These are all public system settings
3583         *
3584         * @hide
3585         */
3586        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3587        static {
3588            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3589            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3590            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3591            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3592            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3593            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3594            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3595            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3596            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3597            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3598            PUBLIC_SETTINGS.add(FONT_SCALE);
3599            PUBLIC_SETTINGS.add(DIM_SCREEN);
3600            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3601            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3602            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3603            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3604            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3605            PUBLIC_SETTINGS.add(VIBRATE_ON);
3606            PUBLIC_SETTINGS.add(VOLUME_RING);
3607            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3608            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3609            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3610            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3611            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3612            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3613            PUBLIC_SETTINGS.add(RINGTONE);
3614            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3615            PUBLIC_SETTINGS.add(ALARM_ALERT);
3616            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3617            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3618            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3619            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3620            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3621            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3622            PUBLIC_SETTINGS.add(TIME_12_24);
3623            PUBLIC_SETTINGS.add(DATE_FORMAT);
3624            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3625            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3626            PUBLIC_SETTINGS.add(USER_ROTATION);
3627            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3628            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3629            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3630            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3631            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3632        }
3633
3634        /**
3635         * These are all hidden system settings.
3636         *
3637         * @hide
3638         */
3639        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3640        static {
3641            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3642            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3643            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3644            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3645            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3646            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3647            PRIVATE_SETTINGS.add(MASTER_MONO);
3648            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3649            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3650            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3651            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3652            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3653            PRIVATE_SETTINGS.add(HEARING_AID);
3654            PRIVATE_SETTINGS.add(TTY_MODE);
3655            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3656            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3657            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3658            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3659            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3660            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3661            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3662            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3663            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3664            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3665            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3666            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3667            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3668            PRIVATE_SETTINGS.add(LOCK_SOUND);
3669            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3670            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3671            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3672            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3673            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3674            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3675            PRIVATE_SETTINGS.add(POINTER_SPEED);
3676            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3677            PRIVATE_SETTINGS.add(EGG_MODE);
3678        }
3679
3680        /**
3681         * These are all public system settings
3682         *
3683         * @hide
3684         */
3685        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3686        static {
3687            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3688            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3689            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3690            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3691                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3692            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3693            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3694            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3695            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3696            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3697            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3698            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3699            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3700            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3701            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3702            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3703            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3704            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3705            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3706            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3707            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3708            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3709            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3710            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3711            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3712            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3713            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3714            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3715            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3716            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3717            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3718            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3719            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3720            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3721            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3722            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3723            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3724            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3725            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3726            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3727            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3728            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3729                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3730            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3731            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3732            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3733            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3734            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3735            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3736            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3737            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3738                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3739            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3740            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3741            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3742            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3743            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3744            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3745            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3746            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3747            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3748            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3749            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3750            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3751            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3752            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3753            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3754        }
3755
3756        /**
3757         * These entries are considered common between the personal and the managed profile,
3758         * since the managed profile doesn't get to change them.
3759         */
3760        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3761        static {
3762            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3763            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3764            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3765            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3766            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3767        }
3768
3769        /** @hide */
3770        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3771            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3772        }
3773
3774        /**
3775         * When to use Wi-Fi calling
3776         *
3777         * @see android.telephony.TelephonyManager.WifiCallingChoices
3778         * @hide
3779         */
3780        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3781
3782        // Settings moved to Settings.Secure
3783
3784        /**
3785         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3786         * instead
3787         */
3788        @Deprecated
3789        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3790
3791        /**
3792         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3793         */
3794        @Deprecated
3795        public static final String ANDROID_ID = Secure.ANDROID_ID;
3796
3797        /**
3798         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3799         */
3800        @Deprecated
3801        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3802
3803        /**
3804         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3805         */
3806        @Deprecated
3807        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3808
3809        /**
3810         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3811         */
3812        @Deprecated
3813        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3814
3815        /**
3816         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3817         */
3818        @Deprecated
3819        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3820
3821        /**
3822         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3823         */
3824        @Deprecated
3825        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3826
3827        /**
3828         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3829         * instead
3830         */
3831        @Deprecated
3832        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3833
3834        /**
3835         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3836         */
3837        @Deprecated
3838        public static final String LOGGING_ID = Secure.LOGGING_ID;
3839
3840        /**
3841         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3842         */
3843        @Deprecated
3844        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3845
3846        /**
3847         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3848         * instead
3849         */
3850        @Deprecated
3851        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3852
3853        /**
3854         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3855         * instead
3856         */
3857        @Deprecated
3858        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3859
3860        /**
3861         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3862         * instead
3863         */
3864        @Deprecated
3865        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3866            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3867
3868        /**
3869         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3870         */
3871        @Deprecated
3872        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3873
3874        /**
3875         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3876         */
3877        @Deprecated
3878        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3879
3880        /**
3881         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3882         */
3883        @Deprecated
3884        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3885
3886       /**
3887         * @deprecated Use
3888         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3889         */
3890        @Deprecated
3891        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3892
3893        /**
3894         * @deprecated Use
3895         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3896         */
3897        @Deprecated
3898        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3899                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3900
3901        /**
3902         * @deprecated Use
3903         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3904         */
3905        @Deprecated
3906        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3907                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3908
3909        /**
3910         * @deprecated Use
3911         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3912         */
3913        @Deprecated
3914        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3915                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3916
3917        /**
3918         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3919         * instead
3920         */
3921        @Deprecated
3922        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3923
3924        /**
3925         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3926         */
3927        @Deprecated
3928        public static final String WIFI_ON = Global.WIFI_ON;
3929
3930        /**
3931         * @deprecated Use
3932         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3933         * instead
3934         */
3935        @Deprecated
3936        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3937                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3938
3939        /**
3940         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3941         */
3942        @Deprecated
3943        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3944
3945        /**
3946         * @deprecated Use
3947         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3948         */
3949        @Deprecated
3950        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3951                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3952
3953        /**
3954         * @deprecated Use
3955         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3956         */
3957        @Deprecated
3958        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3959                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3960
3961        /**
3962         * @deprecated Use
3963         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3964         * instead
3965         */
3966        @Deprecated
3967        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3968                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3969
3970        /**
3971         * @deprecated Use
3972         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3973         */
3974        @Deprecated
3975        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3976            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3977
3978        /**
3979         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3980         * instead
3981         */
3982        @Deprecated
3983        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3984
3985        /**
3986         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3987         */
3988        @Deprecated
3989        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3990
3991        /**
3992         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3993         */
3994        @Deprecated
3995        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3996
3997        /**
3998         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3999         * instead
4000         */
4001        @Deprecated
4002        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
4003
4004        /**
4005         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
4006         * instead
4007         */
4008        @Deprecated
4009        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
4010            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
4011
4012        /**
4013         * Checks if the specified app can modify system settings. As of API
4014         * level 23, an app cannot modify system settings unless it declares the
4015         * {@link android.Manifest.permission#WRITE_SETTINGS}
4016         * permission in its manifest, <em>and</em> the user specifically grants
4017         * the app this capability. To prompt the user to grant this approval,
4018         * the app must send an intent with the action {@link
4019         * android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}, which causes
4020         * the system to display a permission management screen.
4021         *
4022         * @param context App context.
4023         * @return true if the calling app can write to system settings, false otherwise
4024         */
4025        public static boolean canWrite(Context context) {
4026            return isCallingPackageAllowedToWriteSettings(context, Process.myUid(),
4027                    context.getOpPackageName(), false);
4028        }
4029    }
4030
4031    /**
4032     * Secure system settings, containing system preferences that applications
4033     * can read but are not allowed to write.  These are for preferences that
4034     * the user must explicitly modify through the system UI or specialized
4035     * APIs for those values, not modified directly by applications.
4036     */
4037    public static final class Secure extends NameValueTable {
4038        /**
4039         * The content:// style URL for this table
4040         */
4041        public static final Uri CONTENT_URI =
4042            Uri.parse("content://" + AUTHORITY + "/secure");
4043
4044        // Populated lazily, guarded by class object:
4045        private static final NameValueCache sNameValueCache = new NameValueCache(
4046                CONTENT_URI,
4047                CALL_METHOD_GET_SECURE,
4048                CALL_METHOD_PUT_SECURE);
4049
4050        private static ILockSettings sLockSettings = null;
4051
4052        private static boolean sIsSystemProcess;
4053        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
4054        private static final HashSet<String> MOVED_TO_GLOBAL;
4055        static {
4056            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
4057            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
4058            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
4059            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
4060
4061            MOVED_TO_GLOBAL = new HashSet<String>();
4062            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
4063            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
4064            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
4065            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
4066            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
4067            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
4068            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
4069            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
4070            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
4071            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
4072            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
4073            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
4074            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
4075            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
4076            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
4077            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
4078            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
4079            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
4080            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
4081            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
4082            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
4083            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
4084            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
4085            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
4086            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
4087            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
4088            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
4089            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
4090            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
4091            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
4092            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
4093            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
4094            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
4095            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
4096            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
4097            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
4098            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
4099            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
4100            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
4101            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
4102            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
4103            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
4104            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
4105            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
4106            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
4107            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
4108            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
4109            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
4110            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
4111            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
4112            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
4113            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
4114            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
4115            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
4116            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
4117            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
4118            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
4119            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
4120            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4121            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
4122            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
4123            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
4124            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
4125            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
4126            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
4127            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
4128            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED);
4129            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
4130            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
4131            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
4132            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
4133            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4134            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
4135            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
4136            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
4137            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
4138            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
4139            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
4140            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
4141            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
4142            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
4143            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
4144            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
4145            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
4146            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
4147            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
4148            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
4149            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
4150            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
4151            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
4152            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
4153            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
4154            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
4155            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
4156            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
4157            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
4158            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
4159            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
4160            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
4161            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
4162            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
4163            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
4164            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
4165            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
4166            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
4167            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
4168            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
4169            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
4170            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
4171            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
4172            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
4173            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
4174        }
4175
4176        /** @hide */
4177        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
4178            outKeySet.addAll(MOVED_TO_GLOBAL);
4179        }
4180
4181        /**
4182         * Look up a name in the database.
4183         * @param resolver to access the database with
4184         * @param name to look up in the table
4185         * @return the corresponding value, or null if not present
4186         */
4187        public static String getString(ContentResolver resolver, String name) {
4188            return getStringForUser(resolver, name, UserHandle.myUserId());
4189        }
4190
4191        /** @hide */
4192        public static String getStringForUser(ContentResolver resolver, String name,
4193                int userHandle) {
4194            if (MOVED_TO_GLOBAL.contains(name)) {
4195                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4196                        + " to android.provider.Settings.Global.");
4197                return Global.getStringForUser(resolver, name, userHandle);
4198            }
4199
4200            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
4201                synchronized (Secure.class) {
4202                    if (sLockSettings == null) {
4203                        sLockSettings = ILockSettings.Stub.asInterface(
4204                                (IBinder) ServiceManager.getService("lock_settings"));
4205                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
4206                    }
4207                }
4208                if (sLockSettings != null && !sIsSystemProcess) {
4209                    // No context; use the ActivityThread's context as an approximation for
4210                    // determining the target API level.
4211                    Application application = ActivityThread.currentApplication();
4212
4213                    boolean isPreMnc = application != null
4214                            && application.getApplicationInfo() != null
4215                            && application.getApplicationInfo().targetSdkVersion
4216                            <= VERSION_CODES.LOLLIPOP_MR1;
4217                    if (isPreMnc) {
4218                        try {
4219                            return sLockSettings.getString(name, "0", userHandle);
4220                        } catch (RemoteException re) {
4221                            // Fall through
4222                        }
4223                    } else {
4224                        throw new SecurityException("Settings.Secure." + name
4225                                + " is deprecated and no longer accessible."
4226                                + " See API documentation for potential replacements.");
4227                    }
4228                }
4229            }
4230
4231            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4232        }
4233
4234        /**
4235         * Store a name/value pair into the database.
4236         * @param resolver to access the database with
4237         * @param name to store
4238         * @param value to associate with the name
4239         * @return true if the value was set, false on database errors
4240         */
4241        public static boolean putString(ContentResolver resolver, String name, String value) {
4242            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4243        }
4244
4245        /** @hide */
4246        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4247                int userHandle) {
4248            if (LOCATION_MODE.equals(name)) {
4249                // HACK ALERT: temporary hack to work around b/10491283.
4250                // TODO: once b/10491283 fixed, remove this hack
4251                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4252            }
4253            if (MOVED_TO_GLOBAL.contains(name)) {
4254                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4255                        + " to android.provider.Settings.Global");
4256                return Global.putStringForUser(resolver, name, value, userHandle);
4257            }
4258            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4259        }
4260
4261        /**
4262         * Construct the content URI for a particular name/value pair,
4263         * useful for monitoring changes with a ContentObserver.
4264         * @param name to look up in the table
4265         * @return the corresponding content URI, or null if not present
4266         */
4267        public static Uri getUriFor(String name) {
4268            if (MOVED_TO_GLOBAL.contains(name)) {
4269                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4270                        + " to android.provider.Settings.Global, returning global URI.");
4271                return Global.getUriFor(Global.CONTENT_URI, name);
4272            }
4273            return getUriFor(CONTENT_URI, name);
4274        }
4275
4276        /**
4277         * Convenience function for retrieving a single secure settings value
4278         * as an integer.  Note that internally setting values are always
4279         * stored as strings; this function converts the string to an integer
4280         * for you.  The default value will be returned if the setting is
4281         * not defined or not an integer.
4282         *
4283         * @param cr The ContentResolver to access.
4284         * @param name The name of the setting to retrieve.
4285         * @param def Value to return if the setting is not defined.
4286         *
4287         * @return The setting's current value, or 'def' if it is not defined
4288         * or not a valid integer.
4289         */
4290        public static int getInt(ContentResolver cr, String name, int def) {
4291            return getIntForUser(cr, name, def, UserHandle.myUserId());
4292        }
4293
4294        /** @hide */
4295        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4296            if (LOCATION_MODE.equals(name)) {
4297                // HACK ALERT: temporary hack to work around b/10491283.
4298                // TODO: once b/10491283 fixed, remove this hack
4299                return getLocationModeForUser(cr, userHandle);
4300            }
4301            String v = getStringForUser(cr, name, userHandle);
4302            try {
4303                return v != null ? Integer.parseInt(v) : def;
4304            } catch (NumberFormatException e) {
4305                return def;
4306            }
4307        }
4308
4309        /**
4310         * Convenience function for retrieving a single secure settings value
4311         * as an integer.  Note that internally setting values are always
4312         * stored as strings; this function converts the string to an integer
4313         * for you.
4314         * <p>
4315         * This version does not take a default value.  If the setting has not
4316         * been set, or the string value is not a number,
4317         * it throws {@link SettingNotFoundException}.
4318         *
4319         * @param cr The ContentResolver to access.
4320         * @param name The name of the setting to retrieve.
4321         *
4322         * @throws SettingNotFoundException Thrown if a setting by the given
4323         * name can't be found or the setting value is not an integer.
4324         *
4325         * @return The setting's current value.
4326         */
4327        public static int getInt(ContentResolver cr, String name)
4328                throws SettingNotFoundException {
4329            return getIntForUser(cr, name, UserHandle.myUserId());
4330        }
4331
4332        /** @hide */
4333        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4334                throws SettingNotFoundException {
4335            if (LOCATION_MODE.equals(name)) {
4336                // HACK ALERT: temporary hack to work around b/10491283.
4337                // TODO: once b/10491283 fixed, remove this hack
4338                return getLocationModeForUser(cr, userHandle);
4339            }
4340            String v = getStringForUser(cr, name, userHandle);
4341            try {
4342                return Integer.parseInt(v);
4343            } catch (NumberFormatException e) {
4344                throw new SettingNotFoundException(name);
4345            }
4346        }
4347
4348        /**
4349         * Convenience function for updating a single settings value as an
4350         * integer. This will either create a new entry in the table if the
4351         * given name does not exist, or modify the value of the existing row
4352         * with that name.  Note that internally setting values are always
4353         * stored as strings, so this function converts the given value to a
4354         * string before storing it.
4355         *
4356         * @param cr The ContentResolver to access.
4357         * @param name The name of the setting to modify.
4358         * @param value The new value for the setting.
4359         * @return true if the value was set, false on database errors
4360         */
4361        public static boolean putInt(ContentResolver cr, String name, int value) {
4362            return putIntForUser(cr, name, value, UserHandle.myUserId());
4363        }
4364
4365        /** @hide */
4366        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4367                int userHandle) {
4368            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4369        }
4370
4371        /**
4372         * Convenience function for retrieving a single secure settings value
4373         * as a {@code long}.  Note that internally setting values are always
4374         * stored as strings; this function converts the string to a {@code long}
4375         * for you.  The default value will be returned if the setting is
4376         * not defined or not a {@code long}.
4377         *
4378         * @param cr The ContentResolver to access.
4379         * @param name The name of the setting to retrieve.
4380         * @param def Value to return if the setting is not defined.
4381         *
4382         * @return The setting's current value, or 'def' if it is not defined
4383         * or not a valid {@code long}.
4384         */
4385        public static long getLong(ContentResolver cr, String name, long def) {
4386            return getLongForUser(cr, name, def, UserHandle.myUserId());
4387        }
4388
4389        /** @hide */
4390        public static long getLongForUser(ContentResolver cr, String name, long def,
4391                int userHandle) {
4392            String valString = getStringForUser(cr, name, userHandle);
4393            long value;
4394            try {
4395                value = valString != null ? Long.parseLong(valString) : def;
4396            } catch (NumberFormatException e) {
4397                value = def;
4398            }
4399            return value;
4400        }
4401
4402        /**
4403         * Convenience function for retrieving a single secure settings value
4404         * as a {@code long}.  Note that internally setting values are always
4405         * stored as strings; this function converts the string to a {@code long}
4406         * for you.
4407         * <p>
4408         * This version does not take a default value.  If the setting has not
4409         * been set, or the string value is not a number,
4410         * it throws {@link SettingNotFoundException}.
4411         *
4412         * @param cr The ContentResolver to access.
4413         * @param name The name of the setting to retrieve.
4414         *
4415         * @return The setting's current value.
4416         * @throws SettingNotFoundException Thrown if a setting by the given
4417         * name can't be found or the setting value is not an integer.
4418         */
4419        public static long getLong(ContentResolver cr, String name)
4420                throws SettingNotFoundException {
4421            return getLongForUser(cr, name, UserHandle.myUserId());
4422        }
4423
4424        /** @hide */
4425        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4426                throws SettingNotFoundException {
4427            String valString = getStringForUser(cr, name, userHandle);
4428            try {
4429                return Long.parseLong(valString);
4430            } catch (NumberFormatException e) {
4431                throw new SettingNotFoundException(name);
4432            }
4433        }
4434
4435        /**
4436         * Convenience function for updating a secure settings value as a long
4437         * integer. This will either create a new entry in the table if the
4438         * given name does not exist, or modify the value of the existing row
4439         * with that name.  Note that internally setting values are always
4440         * stored as strings, so this function converts the given value to a
4441         * string before storing it.
4442         *
4443         * @param cr The ContentResolver to access.
4444         * @param name The name of the setting to modify.
4445         * @param value The new value for the setting.
4446         * @return true if the value was set, false on database errors
4447         */
4448        public static boolean putLong(ContentResolver cr, String name, long value) {
4449            return putLongForUser(cr, name, value, UserHandle.myUserId());
4450        }
4451
4452        /** @hide */
4453        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4454                int userHandle) {
4455            return putStringForUser(cr, name, Long.toString(value), userHandle);
4456        }
4457
4458        /**
4459         * Convenience function for retrieving a single secure settings value
4460         * as a floating point number.  Note that internally setting values are
4461         * always stored as strings; this function converts the string to an
4462         * float for you. The default value will be returned if the setting
4463         * is not defined or not a valid float.
4464         *
4465         * @param cr The ContentResolver to access.
4466         * @param name The name of the setting to retrieve.
4467         * @param def Value to return if the setting is not defined.
4468         *
4469         * @return The setting's current value, or 'def' if it is not defined
4470         * or not a valid float.
4471         */
4472        public static float getFloat(ContentResolver cr, String name, float def) {
4473            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4474        }
4475
4476        /** @hide */
4477        public static float getFloatForUser(ContentResolver cr, String name, float def,
4478                int userHandle) {
4479            String v = getStringForUser(cr, name, userHandle);
4480            try {
4481                return v != null ? Float.parseFloat(v) : def;
4482            } catch (NumberFormatException e) {
4483                return def;
4484            }
4485        }
4486
4487        /**
4488         * Convenience function for retrieving a single secure settings value
4489         * as a float.  Note that internally setting values are always
4490         * stored as strings; this function converts the string to a float
4491         * for you.
4492         * <p>
4493         * This version does not take a default value.  If the setting has not
4494         * been set, or the string value is not a number,
4495         * it throws {@link SettingNotFoundException}.
4496         *
4497         * @param cr The ContentResolver to access.
4498         * @param name The name of the setting to retrieve.
4499         *
4500         * @throws SettingNotFoundException Thrown if a setting by the given
4501         * name can't be found or the setting value is not a float.
4502         *
4503         * @return The setting's current value.
4504         */
4505        public static float getFloat(ContentResolver cr, String name)
4506                throws SettingNotFoundException {
4507            return getFloatForUser(cr, name, UserHandle.myUserId());
4508        }
4509
4510        /** @hide */
4511        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4512                throws SettingNotFoundException {
4513            String v = getStringForUser(cr, name, userHandle);
4514            if (v == null) {
4515                throw new SettingNotFoundException(name);
4516            }
4517            try {
4518                return Float.parseFloat(v);
4519            } catch (NumberFormatException e) {
4520                throw new SettingNotFoundException(name);
4521            }
4522        }
4523
4524        /**
4525         * Convenience function for updating a single settings value as a
4526         * floating point number. This will either create a new entry in the
4527         * table if the given name does not exist, or modify the value of the
4528         * existing row with that name.  Note that internally setting values
4529         * are always stored as strings, so this function converts the given
4530         * value to a string before storing it.
4531         *
4532         * @param cr The ContentResolver to access.
4533         * @param name The name of the setting to modify.
4534         * @param value The new value for the setting.
4535         * @return true if the value was set, false on database errors
4536         */
4537        public static boolean putFloat(ContentResolver cr, String name, float value) {
4538            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4539        }
4540
4541        /** @hide */
4542        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4543                int userHandle) {
4544            return putStringForUser(cr, name, Float.toString(value), userHandle);
4545        }
4546
4547        /**
4548         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4549         * instead
4550         */
4551        @Deprecated
4552        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4553                Global.DEVELOPMENT_SETTINGS_ENABLED;
4554
4555        /**
4556         * When the user has enable the option to have a "bug report" command
4557         * in the power menu.
4558         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4559         * @hide
4560         */
4561        @Deprecated
4562        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4563
4564        /**
4565         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4566         */
4567        @Deprecated
4568        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4569
4570        /**
4571         * Setting to allow mock locations and location provider status to be injected into the
4572         * LocationManager service for testing purposes during application development.  These
4573         * locations and status values  override actual location and status information generated
4574         * by network, gps, or other location providers.
4575         *
4576         * @deprecated This settings is not used anymore.
4577         */
4578        @Deprecated
4579        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4580
4581        /**
4582         * A 64-bit number (as a hex string) that is randomly
4583         * generated when the user first sets up the device and should remain
4584         * constant for the lifetime of the user's device. The value may
4585         * change if a factory reset is performed on the device.
4586         * <p class="note"><strong>Note:</strong> When a device has <a
4587         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4588         * (available on certain devices running Android 4.2 or higher), each user appears as a
4589         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4590         * user.</p>
4591         */
4592        public static final String ANDROID_ID = "android_id";
4593
4594        /**
4595         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4596         */
4597        @Deprecated
4598        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4599
4600        /**
4601         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4602         */
4603        @Deprecated
4604        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4605
4606        /**
4607         * Setting to record the input method used by default, holding the ID
4608         * of the desired method.
4609         */
4610        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4611
4612        /**
4613         * Setting to record the input method subtype used by default, holding the ID
4614         * of the desired method.
4615         */
4616        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4617                "selected_input_method_subtype";
4618
4619        /**
4620         * Setting to record the history of input method subtype, holding the pair of ID of IME
4621         * and its last used subtype.
4622         * @hide
4623         */
4624        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4625                "input_methods_subtype_history";
4626
4627        /**
4628         * Setting to record the visibility of input method selector
4629         */
4630        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4631                "input_method_selector_visibility";
4632
4633        /**
4634         * The currently selected voice interaction service flattened ComponentName.
4635         * @hide
4636         */
4637        @TestApi
4638        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4639
4640        /**
4641         * bluetooth HCI snoop log configuration
4642         * @hide
4643         */
4644        public static final String BLUETOOTH_HCI_LOG =
4645                "bluetooth_hci_log";
4646
4647        /**
4648         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4649         */
4650        @Deprecated
4651        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4652
4653        /**
4654         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4655         * @hide
4656         */
4657        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4658
4659        /**
4660         * Prefix for category name that marks whether a suggested action from that category was
4661         * completed.
4662         * @hide
4663         */
4664        public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
4665
4666        /**
4667         * List of input methods that are currently enabled.  This is a string
4668         * containing the IDs of all enabled input methods, each ID separated
4669         * by ':'.
4670         */
4671        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4672
4673        /**
4674         * List of system input methods that are currently disabled.  This is a string
4675         * containing the IDs of all disabled input methods, each ID separated
4676         * by ':'.
4677         * @hide
4678         */
4679        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4680
4681        /**
4682         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4683         * determines if the IME should be shown when a hard keyboard is attached.
4684         * @hide
4685         */
4686        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4687
4688        /**
4689         * Host name and port for global http proxy. Uses ':' seperator for
4690         * between host and port.
4691         *
4692         * @deprecated Use {@link Global#HTTP_PROXY}
4693         */
4694        @Deprecated
4695        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4696
4697        /**
4698         * Package designated as always-on VPN provider.
4699         *
4700         * @hide
4701         */
4702        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4703
4704        /**
4705         * Whether applications can be installed for this user via the system's
4706         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4707         *
4708         * <p>1 = permit app installation via the system package installer intent
4709         * <p>0 = do not allow use of the package installer
4710         */
4711        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4712
4713        /**
4714         * Comma-separated list of location providers that activities may access. Do not rely on
4715         * this value being present in settings.db or on ContentObserver notifications on the
4716         * corresponding Uri.
4717         *
4718         * @deprecated use {@link #LOCATION_MODE} and
4719         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4720         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4721         */
4722        @Deprecated
4723        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4724
4725        /**
4726         * The degree of location access enabled by the user.
4727         * <p>
4728         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4729         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4730         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4731         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4732         * modes that might be added in the future.
4733         * <p>
4734         * Note: do not rely on this value being present in settings.db or on ContentObserver
4735         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4736         * to receive changes in this value.
4737         */
4738        public static final String LOCATION_MODE = "location_mode";
4739        /**
4740         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4741         * {@link #LOCATION_MODE_OFF}
4742         * @hide
4743         */
4744        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4745
4746        /**
4747         * Sets all location providers to the previous states before location was turned off.
4748         * @hide
4749         */
4750        public static final int LOCATION_MODE_PREVIOUS = -1;
4751        /**
4752         * Location access disabled.
4753         */
4754        public static final int LOCATION_MODE_OFF = 0;
4755        /**
4756         * Network Location Provider disabled, but GPS and other sensors enabled.
4757         */
4758        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4759        /**
4760         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4761         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4762         * {@link android.location.Criteria#POWER_MEDIUM}.
4763         */
4764        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4765        /**
4766         * Best-effort location computation allowed.
4767         */
4768        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4769
4770        /**
4771         * A flag containing settings used for biometric weak
4772         * @hide
4773         */
4774        @Deprecated
4775        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4776                "lock_biometric_weak_flags";
4777
4778        /**
4779         * Whether lock-to-app will lock the keyguard when exiting.
4780         * @hide
4781         */
4782        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4783
4784        /**
4785         * Whether autolock is enabled (0 = false, 1 = true)
4786         *
4787         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4788         *             level of the keyguard. Accessing this setting from an app that is targeting
4789         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4790         */
4791        @Deprecated
4792        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4793
4794        /**
4795         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4796         *
4797         * @deprecated Accessing this setting from an app that is targeting
4798         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4799         */
4800        @Deprecated
4801        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4802
4803        /**
4804         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4805         * true)
4806         *
4807         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4808         *             lockscreen uses
4809         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4810         *             Accessing this setting from an app that is targeting
4811         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4812         */
4813        @Deprecated
4814        public static final String
4815                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4816
4817        /**
4818         * This preference allows the device to be locked given time after screen goes off,
4819         * subject to current DeviceAdmin policy limits.
4820         * @hide
4821         */
4822        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4823
4824
4825        /**
4826         * This preference contains the string that shows for owner info on LockScreen.
4827         * @hide
4828         * @deprecated
4829         */
4830        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4831
4832        /**
4833         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4834         * @hide
4835         */
4836        @Deprecated
4837        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4838            "lock_screen_appwidget_ids";
4839
4840        /**
4841         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4842         * @hide
4843         */
4844        @Deprecated
4845        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4846            "lock_screen_fallback_appwidget_id";
4847
4848        /**
4849         * Index of the lockscreen appwidget to restore, -1 if none.
4850         * @hide
4851         */
4852        @Deprecated
4853        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4854            "lock_screen_sticky_appwidget";
4855
4856        /**
4857         * This preference enables showing the owner info on LockScreen.
4858         * @hide
4859         * @deprecated
4860         */
4861        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4862            "lock_screen_owner_info_enabled";
4863
4864        /**
4865         * When set by a user, allows notifications to be shown atop a securely locked screen
4866         * in their full "private" form (same as when the device is unlocked).
4867         * @hide
4868         */
4869        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4870                "lock_screen_allow_private_notifications";
4871
4872        /**
4873         * When set by a user, allows notification remote input atop a securely locked screen
4874         * without having to unlock
4875         * @hide
4876         */
4877        public static final String LOCK_SCREEN_ALLOW_REMOTE_INPUT =
4878                "lock_screen_allow_remote_input";
4879
4880        /**
4881         * Set by the system to track if the user needs to see the call to action for
4882         * the lockscreen notification policy.
4883         * @hide
4884         */
4885        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4886                "show_note_about_notification_hiding";
4887
4888        /**
4889         * Set to 1 by the system after trust agents have been initialized.
4890         * @hide
4891         */
4892        public static final String TRUST_AGENTS_INITIALIZED =
4893                "trust_agents_initialized";
4894
4895        /**
4896         * The Logging ID (a unique 64-bit value) as a hex string.
4897         * Used as a pseudonymous identifier for logging.
4898         * @deprecated This identifier is poorly initialized and has
4899         * many collisions.  It should not be used.
4900         */
4901        @Deprecated
4902        public static final String LOGGING_ID = "logging_id";
4903
4904        /**
4905         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4906         */
4907        @Deprecated
4908        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4909
4910        /**
4911         * No longer supported.
4912         */
4913        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4914
4915        /**
4916         * No longer supported.
4917         */
4918        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4919
4920        /**
4921         * No longer supported.
4922         */
4923        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4924
4925        /**
4926         * Settings classname to launch when Settings is clicked from All
4927         * Applications.  Needed because of user testing between the old
4928         * and new Settings apps.
4929         */
4930        // TODO: 881807
4931        public static final String SETTINGS_CLASSNAME = "settings_classname";
4932
4933        /**
4934         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4935         */
4936        @Deprecated
4937        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4938
4939        /**
4940         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4941         */
4942        @Deprecated
4943        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4944
4945        /**
4946         * If accessibility is enabled.
4947         */
4948        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4949
4950        /**
4951         * If touch exploration is enabled.
4952         */
4953        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4954
4955        /**
4956         * List of the enabled accessibility providers.
4957         */
4958        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4959            "enabled_accessibility_services";
4960
4961        /**
4962         * List of the accessibility services to which the user has granted
4963         * permission to put the device into touch exploration mode.
4964         *
4965         * @hide
4966         */
4967        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4968            "touch_exploration_granted_accessibility_services";
4969
4970        /**
4971         * Whether to speak passwords while in accessibility mode.
4972         */
4973        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4974
4975        /**
4976         * Whether to draw text with high contrast while in accessibility mode.
4977         *
4978         * @hide
4979         */
4980        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4981                "high_text_contrast_enabled";
4982
4983        /**
4984         * If injection of accessibility enhancing JavaScript screen-reader
4985         * is enabled.
4986         * <p>
4987         *   Note: The JavaScript based screen-reader is served by the
4988         *   Google infrastructure and enable users with disabilities to
4989         *   efficiently navigate in and explore web content.
4990         * </p>
4991         * <p>
4992         *   This property represents a boolean value.
4993         * </p>
4994         * @hide
4995         */
4996        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4997            "accessibility_script_injection";
4998
4999        /**
5000         * The URL for the injected JavaScript based screen-reader used
5001         * for providing accessibility of content in WebView.
5002         * <p>
5003         *   Note: The JavaScript based screen-reader is served by the
5004         *   Google infrastructure and enable users with disabilities to
5005         *   efficiently navigate in and explore web content.
5006         * </p>
5007         * <p>
5008         *   This property represents a string value.
5009         * </p>
5010         * @hide
5011         */
5012        public static final String ACCESSIBILITY_SCREEN_READER_URL =
5013            "accessibility_script_injection_url";
5014
5015        /**
5016         * Key bindings for navigation in built-in accessibility support for web content.
5017         * <p>
5018         *   Note: These key bindings are for the built-in accessibility navigation for
5019         *   web content which is used as a fall back solution if JavaScript in a WebView
5020         *   is not enabled or the user has not opted-in script injection from Google.
5021         * </p>
5022         * <p>
5023         *   The bindings are separated by semi-colon. A binding is a mapping from
5024         *   a key to a sequence of actions (for more details look at
5025         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
5026         *   string representation of an integer obtained from a meta state (optional) shifted
5027         *   sixteen times left and bitwise ored with a key code. An action is represented
5028         *   as a hexademical string representation of an integer where the first two digits
5029         *   are navigation action index, the second, the third, and the fourth digit pairs
5030         *   represent the action arguments. The separate actions in a binding are colon
5031         *   separated. The key and the action sequence it maps to are separated by equals.
5032         * </p>
5033         * <p>
5034         *   For example, the binding below maps the DPAD right button to traverse the
5035         *   current navigation axis once without firing an accessibility event and to
5036         *   perform the same traversal again but to fire an event:
5037         *   <code>
5038         *     0x16=0x01000100:0x01000101;
5039         *   </code>
5040         * </p>
5041         * <p>
5042         *   The goal of this binding is to enable dynamic rebinding of keys to
5043         *   navigation actions for web content without requiring a framework change.
5044         * </p>
5045         * <p>
5046         *   This property represents a string value.
5047         * </p>
5048         * @hide
5049         */
5050        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
5051            "accessibility_web_content_key_bindings";
5052
5053        /**
5054         * Setting that specifies whether the display magnification is enabled.
5055         * Display magnifications allows the user to zoom in the display content
5056         * and is targeted to low vision users. The current magnification scale
5057         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
5058         *
5059         * @hide
5060         */
5061        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
5062                "accessibility_display_magnification_enabled";
5063
5064        /**
5065         * Setting that specifies what the display magnification scale is.
5066         * Display magnifications allows the user to zoom in the display
5067         * content and is targeted to low vision users. Whether a display
5068         * magnification is performed is controlled by
5069         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5070         *
5071         * @hide
5072         */
5073        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
5074                "accessibility_display_magnification_scale";
5075
5076        /**
5077         * Setting that specifies whether the display magnification should be
5078         * automatically updated. If this fearture is enabled the system will
5079         * exit magnification mode or pan the viewport when a context change
5080         * occurs. For example, on staring a new activity or rotating the screen,
5081         * the system may zoom out so the user can see the new context he is in.
5082         * Another example is on showing a window that is not visible in the
5083         * magnified viewport the system may pan the viewport to make the window
5084         * the has popped up so the user knows that the context has changed.
5085         * Whether a screen magnification is performed is controlled by
5086         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5087         *
5088         * @hide
5089         */
5090        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
5091                "accessibility_display_magnification_auto_update";
5092
5093        /**
5094         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
5095         * modified from an AccessibilityService using the SoftKeyboardController.
5096         *
5097         * @hide
5098         */
5099        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
5100                "accessibility_soft_keyboard_mode";
5101
5102        /**
5103         * Default soft keyboard behavior.
5104         *
5105         * @hide
5106         */
5107        public static final int SHOW_MODE_AUTO = 0;
5108
5109        /**
5110         * Soft keyboard is never shown.
5111         *
5112         * @hide
5113         */
5114        public static final int SHOW_MODE_HIDDEN = 1;
5115
5116        /**
5117         * Setting that specifies whether timed text (captions) should be
5118         * displayed in video content. Text display properties are controlled by
5119         * the following settings:
5120         * <ul>
5121         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
5122         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
5123         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
5124         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
5125         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
5126         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
5127         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
5128         * </ul>
5129         *
5130         * @hide
5131         */
5132        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
5133                "accessibility_captioning_enabled";
5134
5135        /**
5136         * Setting that specifies the language for captions as a locale string,
5137         * e.g. en_US.
5138         *
5139         * @see java.util.Locale#toString
5140         * @hide
5141         */
5142        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
5143                "accessibility_captioning_locale";
5144
5145        /**
5146         * Integer property that specifies the preset style for captions, one
5147         * of:
5148         * <ul>
5149         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
5150         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
5151         * </ul>
5152         *
5153         * @see java.util.Locale#toString
5154         * @hide
5155         */
5156        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
5157                "accessibility_captioning_preset";
5158
5159        /**
5160         * Integer property that specifes the background color for captions as a
5161         * packed 32-bit color.
5162         *
5163         * @see android.graphics.Color#argb
5164         * @hide
5165         */
5166        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
5167                "accessibility_captioning_background_color";
5168
5169        /**
5170         * Integer property that specifes the foreground color for captions as a
5171         * packed 32-bit color.
5172         *
5173         * @see android.graphics.Color#argb
5174         * @hide
5175         */
5176        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
5177                "accessibility_captioning_foreground_color";
5178
5179        /**
5180         * Integer property that specifes the edge type for captions, one of:
5181         * <ul>
5182         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
5183         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
5184         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
5185         * </ul>
5186         *
5187         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
5188         * @hide
5189         */
5190        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
5191                "accessibility_captioning_edge_type";
5192
5193        /**
5194         * Integer property that specifes the edge color for captions as a
5195         * packed 32-bit color.
5196         *
5197         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
5198         * @see android.graphics.Color#argb
5199         * @hide
5200         */
5201        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
5202                "accessibility_captioning_edge_color";
5203
5204        /**
5205         * Integer property that specifes the window color for captions as a
5206         * packed 32-bit color.
5207         *
5208         * @see android.graphics.Color#argb
5209         * @hide
5210         */
5211        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
5212                "accessibility_captioning_window_color";
5213
5214        /**
5215         * String property that specifies the typeface for captions, one of:
5216         * <ul>
5217         * <li>DEFAULT
5218         * <li>MONOSPACE
5219         * <li>SANS_SERIF
5220         * <li>SERIF
5221         * </ul>
5222         *
5223         * @see android.graphics.Typeface
5224         * @hide
5225         */
5226        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
5227                "accessibility_captioning_typeface";
5228
5229        /**
5230         * Floating point property that specifies font scaling for captions.
5231         *
5232         * @hide
5233         */
5234        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5235                "accessibility_captioning_font_scale";
5236
5237        /**
5238         * Setting that specifies whether display color inversion is enabled.
5239         */
5240        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5241                "accessibility_display_inversion_enabled";
5242
5243        /**
5244         * Setting that specifies whether display color space adjustment is
5245         * enabled.
5246         *
5247         * @hide
5248         */
5249        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5250                "accessibility_display_daltonizer_enabled";
5251
5252        /**
5253         * Integer property that specifies the type of color space adjustment to
5254         * perform. Valid values are defined in AccessibilityManager.
5255         *
5256         * @hide
5257         */
5258        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5259                "accessibility_display_daltonizer";
5260
5261        /**
5262         * Float list that specifies the color matrix to apply to
5263         * the display. Valid values are defined in AccessibilityManager.
5264         *
5265         * @hide
5266         */
5267        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5268                "accessibility_display_color_matrix";
5269
5270        /**
5271         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5272         * enabled.
5273         *
5274         * @hide
5275         */
5276        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5277                "accessibility_autoclick_enabled";
5278
5279        /**
5280         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5281         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5282         *
5283         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5284         * @hide
5285         */
5286        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5287                "accessibility_autoclick_delay";
5288
5289        /**
5290         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5291         * accessibility.
5292         * (0 = false, 1 = true)
5293         * @hide
5294         */
5295        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5296                "accessibility_large_pointer_icon";
5297
5298        /**
5299         * The timeout for considering a press to be a long press in milliseconds.
5300         * @hide
5301         */
5302        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5303
5304        /**
5305         * List of the enabled print services.
5306         *
5307         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5308         * from pre-N.
5309         *
5310         * @hide
5311         */
5312        public static final String ENABLED_PRINT_SERVICES =
5313            "enabled_print_services";
5314
5315        /**
5316         * List of the disabled print services.
5317         *
5318         * @hide
5319         */
5320        public static final String DISABLED_PRINT_SERVICES =
5321            "disabled_print_services";
5322
5323        /**
5324         * The saved value for WindowManagerService.setForcedDisplayDensity()
5325         * formatted as a single integer representing DPI. If unset, then use
5326         * the real display density.
5327         *
5328         * @hide
5329         */
5330        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5331
5332        /**
5333         * Setting to always use the default text-to-speech settings regardless
5334         * of the application settings.
5335         * 1 = override application settings,
5336         * 0 = use application settings (if specified).
5337         *
5338         * @deprecated  The value of this setting is no longer respected by
5339         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5340         */
5341        @Deprecated
5342        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5343
5344        /**
5345         * Default text-to-speech engine speech rate. 100 = 1x
5346         */
5347        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5348
5349        /**
5350         * Default text-to-speech engine pitch. 100 = 1x
5351         */
5352        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5353
5354        /**
5355         * Default text-to-speech engine.
5356         */
5357        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5358
5359        /**
5360         * Default text-to-speech language.
5361         *
5362         * @deprecated this setting is no longer in use, as of the Ice Cream
5363         * Sandwich release. Apps should never need to read this setting directly,
5364         * instead can query the TextToSpeech framework classes for the default
5365         * locale. {@link TextToSpeech#getLanguage()}.
5366         */
5367        @Deprecated
5368        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5369
5370        /**
5371         * Default text-to-speech country.
5372         *
5373         * @deprecated this setting is no longer in use, as of the Ice Cream
5374         * Sandwich release. Apps should never need to read this setting directly,
5375         * instead can query the TextToSpeech framework classes for the default
5376         * locale. {@link TextToSpeech#getLanguage()}.
5377         */
5378        @Deprecated
5379        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5380
5381        /**
5382         * Default text-to-speech locale variant.
5383         *
5384         * @deprecated this setting is no longer in use, as of the Ice Cream
5385         * Sandwich release. Apps should never need to read this setting directly,
5386         * instead can query the TextToSpeech framework classes for the
5387         * locale that is in use {@link TextToSpeech#getLanguage()}.
5388         */
5389        @Deprecated
5390        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5391
5392        /**
5393         * Stores the default tts locales on a per engine basis. Stored as
5394         * a comma seperated list of values, each value being of the form
5395         * {@code engine_name:locale} for example,
5396         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5397         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5398         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5399         * setting directly, and can query the TextToSpeech framework classes
5400         * for the locale that is in use.
5401         *
5402         * @hide
5403         */
5404        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5405
5406        /**
5407         * Space delimited list of plugin packages that are enabled.
5408         */
5409        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5410
5411        /**
5412         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5413         * instead.
5414         */
5415        @Deprecated
5416        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5417                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5418
5419        /**
5420         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5421         * instead.
5422         */
5423        @Deprecated
5424        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5425                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5426
5427        /**
5428         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5429         * instead.
5430         */
5431        @Deprecated
5432        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5433                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5434
5435        /**
5436         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5437         * instead.
5438         */
5439        @Deprecated
5440        public static final String WIFI_ON = Global.WIFI_ON;
5441
5442        /**
5443         * The acceptable packet loss percentage (range 0 - 100) before trying
5444         * another AP on the same network.
5445         * @deprecated This setting is not used.
5446         */
5447        @Deprecated
5448        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5449                "wifi_watchdog_acceptable_packet_loss_percentage";
5450
5451        /**
5452         * The number of access points required for a network in order for the
5453         * watchdog to monitor it.
5454         * @deprecated This setting is not used.
5455         */
5456        @Deprecated
5457        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5458
5459        /**
5460         * The delay between background checks.
5461         * @deprecated This setting is not used.
5462         */
5463        @Deprecated
5464        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5465                "wifi_watchdog_background_check_delay_ms";
5466
5467        /**
5468         * Whether the Wi-Fi watchdog is enabled for background checking even
5469         * after it thinks the user has connected to a good access point.
5470         * @deprecated This setting is not used.
5471         */
5472        @Deprecated
5473        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5474                "wifi_watchdog_background_check_enabled";
5475
5476        /**
5477         * The timeout for a background ping
5478         * @deprecated This setting is not used.
5479         */
5480        @Deprecated
5481        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5482                "wifi_watchdog_background_check_timeout_ms";
5483
5484        /**
5485         * The number of initial pings to perform that *may* be ignored if they
5486         * fail. Again, if these fail, they will *not* be used in packet loss
5487         * calculation. For example, one network always seemed to time out for
5488         * the first couple pings, so this is set to 3 by default.
5489         * @deprecated This setting is not used.
5490         */
5491        @Deprecated
5492        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5493            "wifi_watchdog_initial_ignored_ping_count";
5494
5495        /**
5496         * The maximum number of access points (per network) to attempt to test.
5497         * If this number is reached, the watchdog will no longer monitor the
5498         * initial connection state for the network. This is a safeguard for
5499         * networks containing multiple APs whose DNS does not respond to pings.
5500         * @deprecated This setting is not used.
5501         */
5502        @Deprecated
5503        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5504
5505        /**
5506         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5507         */
5508        @Deprecated
5509        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5510
5511        /**
5512         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5513         * @deprecated This setting is not used.
5514         */
5515        @Deprecated
5516        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5517
5518        /**
5519         * The number of pings to test if an access point is a good connection.
5520         * @deprecated This setting is not used.
5521         */
5522        @Deprecated
5523        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5524
5525        /**
5526         * The delay between pings.
5527         * @deprecated This setting is not used.
5528         */
5529        @Deprecated
5530        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5531
5532        /**
5533         * The timeout per ping.
5534         * @deprecated This setting is not used.
5535         */
5536        @Deprecated
5537        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5538
5539        /**
5540         * @deprecated Use
5541         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5542         */
5543        @Deprecated
5544        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5545
5546        /**
5547         * @deprecated Use
5548         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5549         */
5550        @Deprecated
5551        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5552                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5553
5554        /**
5555         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5556         * the receivers of the PendingIntent an opportunity to make a new network request before
5557         * the Network satisfying the request is potentially removed.
5558         *
5559         * @hide
5560         */
5561        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5562                "connectivity_release_pending_intent_delay_ms";
5563
5564        /**
5565         * Whether background data usage is allowed.
5566         *
5567         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5568         *             availability of background data depends on several
5569         *             combined factors. When background data is unavailable,
5570         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5571         *             now appear disconnected.
5572         */
5573        @Deprecated
5574        public static final String BACKGROUND_DATA = "background_data";
5575
5576        /**
5577         * Origins for which browsers should allow geolocation by default.
5578         * The value is a space-separated list of origins.
5579         */
5580        public static final String ALLOWED_GEOLOCATION_ORIGINS
5581                = "allowed_geolocation_origins";
5582
5583        /**
5584         * The preferred TTY mode     0 = TTy Off, CDMA default
5585         *                            1 = TTY Full
5586         *                            2 = TTY HCO
5587         *                            3 = TTY VCO
5588         * @hide
5589         */
5590        public static final String PREFERRED_TTY_MODE =
5591                "preferred_tty_mode";
5592
5593        /**
5594         * Whether the enhanced voice privacy mode is enabled.
5595         * 0 = normal voice privacy
5596         * 1 = enhanced voice privacy
5597         * @hide
5598         */
5599        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5600
5601        /**
5602         * Whether the TTY mode mode is enabled.
5603         * 0 = disabled
5604         * 1 = enabled
5605         * @hide
5606         */
5607        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5608
5609        /**
5610         * Controls whether settings backup is enabled.
5611         * Type: int ( 0 = disabled, 1 = enabled )
5612         * @hide
5613         */
5614        public static final String BACKUP_ENABLED = "backup_enabled";
5615
5616        /**
5617         * Controls whether application data is automatically restored from backup
5618         * at install time.
5619         * Type: int ( 0 = disabled, 1 = enabled )
5620         * @hide
5621         */
5622        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5623
5624        /**
5625         * Indicates whether settings backup has been fully provisioned.
5626         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5627         * @hide
5628         */
5629        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5630
5631        /**
5632         * Component of the transport to use for backup/restore.
5633         * @hide
5634         */
5635        public static final String BACKUP_TRANSPORT = "backup_transport";
5636
5637        /**
5638         * Version for which the setup wizard was last shown.  Bumped for
5639         * each release when there is new setup information to show.
5640         * @hide
5641         */
5642        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5643
5644        /**
5645         * The interval in milliseconds after which Wi-Fi is considered idle.
5646         * When idle, it is possible for the device to be switched from Wi-Fi to
5647         * the mobile data network.
5648         * @hide
5649         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5650         * instead.
5651         */
5652        @Deprecated
5653        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5654
5655        /**
5656         * The global search provider chosen by the user (if multiple global
5657         * search providers are installed). This will be the provider returned
5658         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5659         * installed. This setting is stored as a flattened component name as
5660         * per {@link ComponentName#flattenToString()}.
5661         *
5662         * @hide
5663         */
5664        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5665                "search_global_search_activity";
5666
5667        /**
5668         * The number of promoted sources in GlobalSearch.
5669         * @hide
5670         */
5671        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5672        /**
5673         * The maximum number of suggestions returned by GlobalSearch.
5674         * @hide
5675         */
5676        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5677        /**
5678         * The number of suggestions GlobalSearch will ask each non-web search source for.
5679         * @hide
5680         */
5681        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5682        /**
5683         * The number of suggestions the GlobalSearch will ask the web search source for.
5684         * @hide
5685         */
5686        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5687                "search_web_results_override_limit";
5688        /**
5689         * The number of milliseconds that GlobalSearch will wait for suggestions from
5690         * promoted sources before continuing with all other sources.
5691         * @hide
5692         */
5693        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5694                "search_promoted_source_deadline_millis";
5695        /**
5696         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5697         * @hide
5698         */
5699        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5700        /**
5701         * The maximum number of milliseconds that GlobalSearch shows the previous results
5702         * after receiving a new query.
5703         * @hide
5704         */
5705        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5706        /**
5707         * The maximum age of log data used for shortcuts in GlobalSearch.
5708         * @hide
5709         */
5710        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5711        /**
5712         * The maximum age of log data used for source ranking in GlobalSearch.
5713         * @hide
5714         */
5715        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5716                "search_max_source_event_age_millis";
5717        /**
5718         * The minimum number of impressions needed to rank a source in GlobalSearch.
5719         * @hide
5720         */
5721        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5722                "search_min_impressions_for_source_ranking";
5723        /**
5724         * The minimum number of clicks needed to rank a source in GlobalSearch.
5725         * @hide
5726         */
5727        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5728                "search_min_clicks_for_source_ranking";
5729        /**
5730         * The maximum number of shortcuts shown by GlobalSearch.
5731         * @hide
5732         */
5733        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5734        /**
5735         * The size of the core thread pool for suggestion queries in GlobalSearch.
5736         * @hide
5737         */
5738        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5739                "search_query_thread_core_pool_size";
5740        /**
5741         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5742         * @hide
5743         */
5744        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5745                "search_query_thread_max_pool_size";
5746        /**
5747         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5748         * @hide
5749         */
5750        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5751                "search_shortcut_refresh_core_pool_size";
5752        /**
5753         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5754         * @hide
5755         */
5756        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5757                "search_shortcut_refresh_max_pool_size";
5758        /**
5759         * The maximun time that excess threads in the GlobalSeach thread pools will
5760         * wait before terminating.
5761         * @hide
5762         */
5763        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5764                "search_thread_keepalive_seconds";
5765        /**
5766         * The maximum number of concurrent suggestion queries to each source.
5767         * @hide
5768         */
5769        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5770                "search_per_source_concurrent_query_limit";
5771
5772        /**
5773         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5774         * @hide
5775         */
5776        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5777
5778        /**
5779         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5780         * @hide
5781         */
5782        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5783
5784        /**
5785         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5786         * @hide
5787         */
5788        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5789
5790        /**
5791         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5792         * @hide
5793         */
5794        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5795
5796        /**
5797         * If nonzero, ANRs in invisible background processes bring up a dialog.
5798         * Otherwise, the process will be silently killed.
5799         * @hide
5800         */
5801        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5802
5803        /**
5804         * The {@link ComponentName} string of the service to be used as the voice recognition
5805         * service.
5806         *
5807         * @hide
5808         */
5809        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5810
5811        /**
5812         * Stores whether an user has consented to have apps verified through PAM.
5813         * The value is boolean (1 or 0).
5814         *
5815         * @hide
5816         */
5817        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5818            "package_verifier_user_consent";
5819
5820        /**
5821         * The {@link ComponentName} string of the selected spell checker service which is
5822         * one of the services managed by the text service manager.
5823         *
5824         * @hide
5825         */
5826        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5827
5828        /**
5829         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5830         * service which is one of the services managed by the text service manager.
5831         *
5832         * @hide
5833         */
5834        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5835                "selected_spell_checker_subtype";
5836
5837        /**
5838         * The {@link ComponentName} string whether spell checker is enabled or not.
5839         *
5840         * @hide
5841         */
5842        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5843
5844        /**
5845         * What happens when the user presses the Power button while in-call
5846         * and the screen is on.<br/>
5847         * <b>Values:</b><br/>
5848         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5849         * 2 - The Power button hangs up the current call.<br/>
5850         *
5851         * @hide
5852         */
5853        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5854
5855        /**
5856         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5857         * @hide
5858         */
5859        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5860
5861        /**
5862         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5863         * @hide
5864         */
5865        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5866
5867        /**
5868         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5869         * @hide
5870         */
5871        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5872                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5873
5874        /**
5875         * Whether the device should wake when the wake gesture sensor detects motion.
5876         * @hide
5877         */
5878        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5879
5880        /**
5881         * Whether the device should doze if configured.
5882         * @hide
5883         */
5884        public static final String DOZE_ENABLED = "doze_enabled";
5885
5886        /**
5887         * The current night mode that has been selected by the user.  Owned
5888         * and controlled by UiModeManagerService.  Constants are as per
5889         * UiModeManager.
5890         * @hide
5891         */
5892        public static final String UI_NIGHT_MODE = "ui_night_mode";
5893
5894        /**
5895         * Whether screensavers are enabled.
5896         * @hide
5897         */
5898        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5899
5900        /**
5901         * The user's chosen screensaver components.
5902         *
5903         * These will be launched by the PhoneWindowManager after a timeout when not on
5904         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5905         * @hide
5906         */
5907        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5908
5909        /**
5910         * If screensavers are enabled, whether the screensaver should be automatically launched
5911         * when the device is inserted into a (desk) dock.
5912         * @hide
5913         */
5914        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5915
5916        /**
5917         * If screensavers are enabled, whether the screensaver should be automatically launched
5918         * when the screen times out when not on battery.
5919         * @hide
5920         */
5921        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5922
5923        /**
5924         * If screensavers are enabled, the default screensaver component.
5925         * @hide
5926         */
5927        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5928
5929        /**
5930         * The default NFC payment component
5931         * @hide
5932         */
5933        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5934
5935        /**
5936         * Whether NFC payment is handled by the foreground application or a default.
5937         * @hide
5938         */
5939        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5940
5941        /**
5942         * Specifies the package name currently configured to be the primary sms application
5943         * @hide
5944         */
5945        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5946
5947        /**
5948         * Specifies the package name currently configured to be the default dialer application
5949         * @hide
5950         */
5951        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5952
5953        /**
5954         * Specifies the package name currently configured to be the emergency assistance application
5955         *
5956         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5957         *
5958         * @hide
5959         */
5960        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5961
5962        /**
5963         * Specifies whether the current app context on scren (assist data) will be sent to the
5964         * assist application (active voice interaction service).
5965         *
5966         * @hide
5967         */
5968        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5969
5970        /**
5971         * Specifies whether a screenshot of the screen contents will be sent to the assist
5972         * application (active voice interaction service).
5973         *
5974         * @hide
5975         */
5976        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5977
5978        /**
5979         * Names of the service components that the current user has explicitly allowed to
5980         * see all of the user's notifications, separated by ':'.
5981         *
5982         * @hide
5983         */
5984        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5985
5986        /**
5987         * Names of the packages that the current user has explicitly allowed to
5988         * manage notification policy configuration, separated by ':'.
5989         *
5990         * @hide
5991         */
5992        @TestApi
5993        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5994                "enabled_notification_policy_access_packages";
5995
5996        /** @hide */
5997        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5998
5999        /** @hide */
6000        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
6001                = "volume_controller_service_component";
6002
6003        /** @hide */
6004        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
6005
6006        /**
6007         * This is the query URI for finding a print service to install.
6008         *
6009         * @hide
6010         */
6011        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
6012
6013        /**
6014         * This is the query URI for finding a NFC payment service to install.
6015         *
6016         * @hide
6017         */
6018        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
6019
6020        /**
6021         * If enabled, apps should try to skip any introductory hints on first launch. This might
6022         * apply to users that are already familiar with the environment or temporary users.
6023         * <p>
6024         * Type : int (0 to show hints, 1 to skip showing hints)
6025         */
6026        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
6027
6028        /**
6029         * Persisted playback time after a user confirmation of an unsafe volume level.
6030         *
6031         * @hide
6032         */
6033        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
6034
6035        /**
6036         * This preference enables notification display on the lockscreen.
6037         * @hide
6038         */
6039        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
6040                "lock_screen_show_notifications";
6041
6042        /**
6043         * List of TV inputs that are currently hidden. This is a string
6044         * containing the IDs of all hidden TV inputs. Each ID is encoded by
6045         * {@link android.net.Uri#encode(String)} and separated by ':'.
6046         * @hide
6047         */
6048        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
6049
6050        /**
6051         * List of custom TV input labels. This is a string containing <TV input id, custom name>
6052         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
6053         * and separated by ','. Each pair is separated by ':'.
6054         * @hide
6055         */
6056        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
6057
6058        /**
6059         * Whether automatic routing of system audio to USB audio peripheral is disabled.
6060         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
6061         * and 0 means automatic routing is enabled.
6062         *
6063         * @hide
6064         */
6065        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
6066                "usb_audio_automatic_routing_disabled";
6067
6068        /**
6069         * The timeout in milliseconds before the device fully goes to sleep after
6070         * a period of inactivity.  This value sets an upper bound on how long the device
6071         * will stay awake or dreaming without user activity.  It should generally
6072         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
6073         * will sleep before it ever has a chance to dream.
6074         * <p>
6075         * Use -1 to disable this timeout.
6076         * </p>
6077         *
6078         * @hide
6079         */
6080        public static final String SLEEP_TIMEOUT = "sleep_timeout";
6081
6082        /**
6083         * Controls whether double tap to wake is enabled.
6084         * @hide
6085         */
6086        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
6087
6088        /**
6089         * The current assistant component. It could be a voice interaction service,
6090         * or an activity that handles ACTION_ASSIST, or empty which means using the default
6091         * handling.
6092         *
6093         * @hide
6094         */
6095        public static final String ASSISTANT = "assistant";
6096
6097        /**
6098         * Whether the camera launch gesture should be disabled.
6099         *
6100         * @hide
6101         */
6102        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
6103
6104        /**
6105         * Whether the camera launch gesture to double tap the power button when the screen is off
6106         * should be disabled.
6107         *
6108         * @hide
6109         */
6110        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
6111                "camera_double_tap_power_gesture_disabled";
6112
6113        /**
6114
6115        /**
6116         * Behavior of twilight on the device.
6117         * One of {@link #TWILIGHT_MODE_LOCKED_OFF}, {@link #TWILIGHT_MODE_LOCKED_ON}
6118         * or {@link #TWILIGHT_MODE_AUTO}.
6119         * @hide
6120         */
6121        public static final String TWILIGHT_MODE = "twilight_mode";
6122
6123        /**
6124         * Twilight mode always off.
6125         * @hide
6126         */
6127        public static final int TWILIGHT_MODE_LOCKED_OFF = 0;
6128
6129        /**
6130         * Twilight mode always on.
6131         * @hide
6132         */
6133        public static final int TWILIGHT_MODE_LOCKED_ON = 1;
6134
6135        /**
6136         * Twilight mode auto.
6137         * @hide
6138         */
6139        public static final int TWILIGHT_MODE_AUTO = 2;
6140
6141        /**
6142         * Twilight mode auto, temporarily overriden to on.
6143         * @hide
6144         */
6145        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_OFF = 3;
6146
6147        /**
6148         * Twilight mode auto, temporarily overriden to off.
6149         * @hide
6150         */
6151        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_ON = 4;
6152
6153        /**
6154         * Whether brightness should automatically adjust based on twilight state.
6155         * @hide
6156         */
6157        public static final String BRIGHTNESS_USE_TWILIGHT = "brightness_use_twilight";
6158
6159        /**
6160         * Names of the service components that the current user has explicitly allowed to
6161         * be a VR mode listener, separated by ':'.
6162         *
6163         * @hide
6164         */
6165        public static final String ENABLED_VR_LISTENERS = "enabled_vr_listeners";
6166
6167        /**
6168         * Behavior of the display while in VR mode.
6169         *
6170         * One of {@link #VR_DISPLAY_MODE_LOW_PERSISTENCE} or {@link #VR_DISPLAY_MODE_OFF}.
6171         *
6172         * @hide
6173         */
6174        public static final String VR_DISPLAY_MODE = "vr_display_mode";
6175
6176        /**
6177         * Lower the display persistence while the system is in VR mode.
6178         *
6179         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6180         *
6181         * @hide.
6182         */
6183        public static final int VR_DISPLAY_MODE_LOW_PERSISTENCE = 0;
6184
6185        /**
6186         * Do not alter the display persistence while the system is in VR mode.
6187         *
6188         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6189         *
6190         * @hide.
6191         */
6192        public static final int VR_DISPLAY_MODE_OFF = 1;
6193
6194        /**
6195         * Whether parent user can access remote contact in managed profile.
6196         *
6197         * @hide
6198         */
6199        public static final String MANAGED_PROFILE_CONTACT_REMOTE_SEARCH =
6200                "managed_profile_contact_remote_search";
6201
6202        /**
6203         * This are the settings to be backed up.
6204         *
6205         * NOTE: Settings are backed up and restored in the order they appear
6206         *       in this array. If you have one setting depending on another,
6207         *       make sure that they are ordered appropriately.
6208         *
6209         * @hide
6210         */
6211        public static final String[] SETTINGS_TO_BACKUP = {
6212            BUGREPORT_IN_POWER_MENU,                            // moved to global
6213            ALLOW_MOCK_LOCATION,
6214            PARENTAL_CONTROL_ENABLED,
6215            PARENTAL_CONTROL_REDIRECT_URL,
6216            USB_MASS_STORAGE_ENABLED,                           // moved to global
6217            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
6218            ACCESSIBILITY_DISPLAY_DALTONIZER,
6219            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
6220            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
6221            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
6222            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
6223            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
6224            ACCESSIBILITY_SCRIPT_INJECTION,
6225            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
6226            BACKUP_AUTO_RESTORE,
6227            ENABLED_ACCESSIBILITY_SERVICES,
6228            ENABLED_NOTIFICATION_LISTENERS,
6229            ENABLED_VR_LISTENERS,
6230            ENABLED_INPUT_METHODS,
6231            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
6232            TOUCH_EXPLORATION_ENABLED,
6233            ACCESSIBILITY_ENABLED,
6234            ACCESSIBILITY_SPEAK_PASSWORD,
6235            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
6236            ACCESSIBILITY_CAPTIONING_PRESET,
6237            ACCESSIBILITY_CAPTIONING_ENABLED,
6238            ACCESSIBILITY_CAPTIONING_LOCALE,
6239            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
6240            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
6241            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
6242            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
6243            ACCESSIBILITY_CAPTIONING_TYPEFACE,
6244            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
6245            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
6246            TTS_USE_DEFAULTS,
6247            TTS_DEFAULT_RATE,
6248            TTS_DEFAULT_PITCH,
6249            TTS_DEFAULT_SYNTH,
6250            TTS_DEFAULT_LANG,
6251            TTS_DEFAULT_COUNTRY,
6252            TTS_ENABLED_PLUGINS,
6253            TTS_DEFAULT_LOCALE,
6254            SHOW_IME_WITH_HARD_KEYBOARD,
6255            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
6256            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
6257            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
6258            SELECTED_SPELL_CHECKER,
6259            SELECTED_SPELL_CHECKER_SUBTYPE,
6260            SPELL_CHECKER_ENABLED,
6261            MOUNT_PLAY_NOTIFICATION_SND,
6262            MOUNT_UMS_AUTOSTART,
6263            MOUNT_UMS_PROMPT,
6264            MOUNT_UMS_NOTIFY_ENABLED,
6265            SLEEP_TIMEOUT,
6266            DOUBLE_TAP_TO_WAKE,
6267            WAKE_GESTURE_ENABLED,
6268            LONG_PRESS_TIMEOUT,
6269            CAMERA_GESTURE_DISABLED,
6270            ACCESSIBILITY_AUTOCLICK_ENABLED,
6271            ACCESSIBILITY_AUTOCLICK_DELAY,
6272            ACCESSIBILITY_LARGE_POINTER_ICON,
6273            PREFERRED_TTY_MODE,
6274            ENHANCED_VOICE_PRIVACY_ENABLED,
6275            TTY_MODE_ENABLED,
6276            INCALL_POWER_BUTTON_BEHAVIOR
6277        };
6278
6279        /**
6280         * These entries are considered common between the personal and the managed profile,
6281         * since the managed profile doesn't get to change them.
6282         */
6283        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
6284
6285        static {
6286            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
6287            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
6288            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
6289            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
6290            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
6291            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
6292            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
6293            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
6294            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
6295            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
6296            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
6297            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
6298        }
6299
6300        /** @hide */
6301        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
6302            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6303        }
6304
6305        /**
6306         * Helper method for determining if a location provider is enabled.
6307         *
6308         * @param cr the content resolver to use
6309         * @param provider the location provider to query
6310         * @return true if the provider is enabled
6311         *
6312         * @deprecated use {@link #LOCATION_MODE} or
6313         *             {@link LocationManager#isProviderEnabled(String)}
6314         */
6315        @Deprecated
6316        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6317            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6318        }
6319
6320        /**
6321         * Helper method for determining if a location provider is enabled.
6322         * @param cr the content resolver to use
6323         * @param provider the location provider to query
6324         * @param userId the userId to query
6325         * @return true if the provider is enabled
6326         * @deprecated use {@link #LOCATION_MODE} or
6327         *             {@link LocationManager#isProviderEnabled(String)}
6328         * @hide
6329         */
6330        @Deprecated
6331        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6332            String allowedProviders = Settings.Secure.getStringForUser(cr,
6333                    LOCATION_PROVIDERS_ALLOWED, userId);
6334            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6335        }
6336
6337        /**
6338         * Thread-safe method for enabling or disabling a single location provider.
6339         * @param cr the content resolver to use
6340         * @param provider the location provider to enable or disable
6341         * @param enabled true if the provider should be enabled
6342         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6343         */
6344        @Deprecated
6345        public static final void setLocationProviderEnabled(ContentResolver cr,
6346                String provider, boolean enabled) {
6347            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6348        }
6349
6350        /**
6351         * Thread-safe method for enabling or disabling a single location provider.
6352         *
6353         * @param cr the content resolver to use
6354         * @param provider the location provider to enable or disable
6355         * @param enabled true if the provider should be enabled
6356         * @param userId the userId for which to enable/disable providers
6357         * @return true if the value was set, false on database errors
6358         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6359         *             {@link #LOCATION_MODE}
6360         * @hide
6361         */
6362        @Deprecated
6363        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6364                String provider, boolean enabled, int userId) {
6365            synchronized (mLocationSettingsLock) {
6366                // to ensure thread safety, we write the provider name with a '+' or '-'
6367                // and let the SettingsProvider handle it rather than reading and modifying
6368                // the list of enabled providers.
6369                if (enabled) {
6370                    provider = "+" + provider;
6371                } else {
6372                    provider = "-" + provider;
6373                }
6374                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6375                        userId);
6376            }
6377        }
6378
6379        /**
6380         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6381         */
6382        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6383            final int mode = getLocationModeForUser(cr, userId);
6384            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6385        }
6386
6387        /**
6388         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6389         */
6390        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6391            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6392                    LOCATION_MODE_HIGH_ACCURACY, userId);
6393            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6394            // turn on location any longer.
6395            if (mode == LOCATION_MODE_OFF) {
6396                mode = LOCATION_MODE_HIGH_ACCURACY;
6397            }
6398            return setLocationModeForUser(cr, mode, userId);
6399        }
6400
6401        /**
6402         * Thread-safe method for setting the location mode to one of
6403         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6404         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6405         *
6406         * @param cr the content resolver to use
6407         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6408         * @param userId the userId for which to change mode
6409         * @return true if the value was set, false on database errors
6410         *
6411         * @throws IllegalArgumentException if mode is not one of the supported values
6412         */
6413        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6414                int userId) {
6415            synchronized (mLocationSettingsLock) {
6416                boolean gps = false;
6417                boolean network = false;
6418                switch (mode) {
6419                    case LOCATION_MODE_PREVIOUS:
6420                        // Retrieve the actual mode and set to that mode.
6421                        return restoreLocationModeForUser(cr, userId);
6422                    case LOCATION_MODE_OFF:
6423                        saveLocationModeForUser(cr, userId);
6424                        break;
6425                    case LOCATION_MODE_SENSORS_ONLY:
6426                        gps = true;
6427                        break;
6428                    case LOCATION_MODE_BATTERY_SAVING:
6429                        network = true;
6430                        break;
6431                    case LOCATION_MODE_HIGH_ACCURACY:
6432                        gps = true;
6433                        network = true;
6434                        break;
6435                    default:
6436                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6437                }
6438                // Note it's important that we set the NLP mode first. The Google implementation
6439                // of NLP clears its NLP consent setting any time it receives a
6440                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6441                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6442                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6443                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6444                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6445                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6446                // dialog. Then the people who wrote the setup wizard would be sad.
6447                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6448                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6449                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6450                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6451                return gpsSuccess && nlpSuccess;
6452            }
6453        }
6454
6455        /**
6456         * Thread-safe method for reading the location mode, returns one of
6457         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6458         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6459         *
6460         * @param cr the content resolver to use
6461         * @param userId the userId for which to read the mode
6462         * @return the location mode
6463         */
6464        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6465            synchronized (mLocationSettingsLock) {
6466                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6467                        cr, LocationManager.GPS_PROVIDER, userId);
6468                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6469                        cr, LocationManager.NETWORK_PROVIDER, userId);
6470                if (gpsEnabled && networkEnabled) {
6471                    return LOCATION_MODE_HIGH_ACCURACY;
6472                } else if (gpsEnabled) {
6473                    return LOCATION_MODE_SENSORS_ONLY;
6474                } else if (networkEnabled) {
6475                    return LOCATION_MODE_BATTERY_SAVING;
6476                } else {
6477                    return LOCATION_MODE_OFF;
6478                }
6479            }
6480        }
6481    }
6482
6483    /**
6484     * Global system settings, containing preferences that always apply identically
6485     * to all defined users.  Applications can read these but are not allowed to write;
6486     * like the "Secure" settings, these are for preferences that the user must
6487     * explicitly modify through the system UI or specialized APIs for those values.
6488     */
6489    public static final class Global extends NameValueTable {
6490        /**
6491         * The content:// style URL for global secure settings items.  Not public.
6492         */
6493        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6494
6495        /**
6496         * Whether users are allowed to add more users or guest from lockscreen.
6497         * <p>
6498         * Type: int
6499         * @hide
6500         */
6501        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6502
6503        /**
6504         * Setting whether the global gesture for enabling accessibility is enabled.
6505         * If this gesture is enabled the user will be able to perfrom it to enable
6506         * the accessibility state without visiting the settings app.
6507         * @hide
6508         */
6509        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6510                "enable_accessibility_global_gesture_enabled";
6511
6512        /**
6513         * Whether Airplane Mode is on.
6514         */
6515        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6516
6517        /**
6518         * Whether Theater Mode is on.
6519         * {@hide}
6520         */
6521        @SystemApi
6522        public static final String THEATER_MODE_ON = "theater_mode_on";
6523
6524        /**
6525         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6526         */
6527        public static final String RADIO_BLUETOOTH = "bluetooth";
6528
6529        /**
6530         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6531         */
6532        public static final String RADIO_WIFI = "wifi";
6533
6534        /**
6535         * {@hide}
6536         */
6537        public static final String RADIO_WIMAX = "wimax";
6538        /**
6539         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6540         */
6541        public static final String RADIO_CELL = "cell";
6542
6543        /**
6544         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6545         */
6546        public static final String RADIO_NFC = "nfc";
6547
6548        /**
6549         * A comma separated list of radios that need to be disabled when airplane mode
6550         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6551         * included in the comma separated list.
6552         */
6553        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6554
6555        /**
6556         * A comma separated list of radios that should to be disabled when airplane mode
6557         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6558         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6559         * will be turned off when entering airplane mode, but the user will be able to reenable
6560         * Wifi in the Settings app.
6561         *
6562         * {@hide}
6563         */
6564        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6565
6566        /**
6567         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6568         * See {@link android.bluetooth.BluetoothProfile}.
6569         * {@hide}
6570         */
6571        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6572
6573        /**
6574         * A semi-colon separated list of Bluetooth interoperability workarounds.
6575         * Each entry is a partial Bluetooth device address string and an integer representing
6576         * the feature to be disabled, separated by a comma. The integer must correspond
6577         * to a interoperability feature as defined in "interop.h" in /system/bt.
6578         * <p>
6579         * Example: <br/>
6580         *   "00:11:22,0;01:02:03:04,2"
6581         * @hide
6582         */
6583       public static final String BLUETOOTH_INTEROPERABILITY_LIST = "bluetooth_interoperability_list";
6584
6585        /**
6586         * The policy for deciding when Wi-Fi should go to sleep (which will in
6587         * turn switch to using the mobile data as an Internet connection).
6588         * <p>
6589         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6590         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6591         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6592         */
6593        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6594
6595        /**
6596         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6597         * policy, which is to sleep shortly after the turning off
6598         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6599         */
6600        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6601
6602        /**
6603         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6604         * the device is on battery, and never go to sleep when the device is
6605         * plugged in.
6606         */
6607        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6608
6609        /**
6610         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6611         */
6612        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6613
6614        /**
6615         * Value to specify if the user prefers the date, time and time zone
6616         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6617         */
6618        public static final String AUTO_TIME = "auto_time";
6619
6620        /**
6621         * Value to specify if the user prefers the time zone
6622         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6623         */
6624        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6625
6626        /**
6627         * URI for the car dock "in" event sound.
6628         * @hide
6629         */
6630        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6631
6632        /**
6633         * URI for the car dock "out" event sound.
6634         * @hide
6635         */
6636        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6637
6638        /**
6639         * URI for the desk dock "in" event sound.
6640         * @hide
6641         */
6642        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6643
6644        /**
6645         * URI for the desk dock "out" event sound.
6646         * @hide
6647         */
6648        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6649
6650        /**
6651         * Whether to play a sound for dock events.
6652         * @hide
6653         */
6654        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6655
6656        /**
6657         * URI for the "device locked" (keyguard shown) sound.
6658         * @hide
6659         */
6660        public static final String LOCK_SOUND = "lock_sound";
6661
6662        /**
6663         * URI for the "device unlocked" sound.
6664         * @hide
6665         */
6666        public static final String UNLOCK_SOUND = "unlock_sound";
6667
6668        /**
6669         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6670         * state without unlocking.
6671         * @hide
6672         */
6673        public static final String TRUSTED_SOUND = "trusted_sound";
6674
6675        /**
6676         * URI for the low battery sound file.
6677         * @hide
6678         */
6679        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6680
6681        /**
6682         * Whether to play a sound for low-battery alerts.
6683         * @hide
6684         */
6685        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6686
6687        /**
6688         * URI for the "wireless charging started" sound.
6689         * @hide
6690         */
6691        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6692                "wireless_charging_started_sound";
6693
6694        /**
6695         * Whether to play a sound for charging events.
6696         * @hide
6697         */
6698        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6699
6700        /**
6701         * Whether we keep the device on while the device is plugged in.
6702         * Supported values are:
6703         * <ul>
6704         * <li>{@code 0} to never stay on while plugged in</li>
6705         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6706         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6707         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6708         * </ul>
6709         * These values can be OR-ed together.
6710         */
6711        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6712
6713        /**
6714         * When the user has enable the option to have a "bug report" command
6715         * in the power menu.
6716         * @hide
6717         */
6718        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6719
6720        /**
6721         * Whether ADB is enabled.
6722         */
6723        public static final String ADB_ENABLED = "adb_enabled";
6724
6725        /**
6726         * Whether Views are allowed to save their attribute data.
6727         * @hide
6728         */
6729        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6730
6731        /**
6732         * Whether assisted GPS should be enabled or not.
6733         * @hide
6734         */
6735        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6736
6737        /**
6738         * Whether bluetooth is enabled/disabled
6739         * 0=disabled. 1=enabled.
6740         */
6741        public static final String BLUETOOTH_ON = "bluetooth_on";
6742
6743        /**
6744         * CDMA Cell Broadcast SMS
6745         *                            0 = CDMA Cell Broadcast SMS disabled
6746         *                            1 = CDMA Cell Broadcast SMS enabled
6747         * @hide
6748         */
6749        public static final String CDMA_CELL_BROADCAST_SMS =
6750                "cdma_cell_broadcast_sms";
6751
6752        /**
6753         * The CDMA roaming mode 0 = Home Networks, CDMA default
6754         *                       1 = Roaming on Affiliated networks
6755         *                       2 = Roaming on any networks
6756         * @hide
6757         */
6758        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6759
6760        /**
6761         * The CDMA subscription mode 0 = RUIM/SIM (default)
6762         *                                1 = NV
6763         * @hide
6764         */
6765        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6766
6767        /** Inactivity timeout to track mobile data activity.
6768        *
6769        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6770        * infer the data activity of mobile network. After a period of no activity on mobile
6771        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6772        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6773        * subsequent activity on mobile networks triggers the firing of {@code
6774        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6775        *
6776        * Network activity refers to transmitting or receiving data on the network interfaces.
6777        *
6778        * Tracking is disabled if set to zero or negative value.
6779        *
6780        * @hide
6781        */
6782       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6783
6784       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6785        * but for Wifi network.
6786        * @hide
6787        */
6788       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6789
6790       /**
6791        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6792        */
6793       public static final String DATA_ROAMING = "data_roaming";
6794
6795       /**
6796        * The value passed to a Mobile DataConnection via bringUp which defines the
6797        * number of retries to preform when setting up the initial connection. The default
6798        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6799        * @hide
6800        */
6801       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6802
6803       /**
6804        * Whether any package can be on external storage. When this is true, any
6805        * package, regardless of manifest values, is a candidate for installing
6806        * or moving onto external storage. (0 = false, 1 = true)
6807        * @hide
6808        */
6809       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6810
6811        /**
6812         * Whether any activity can be resized. When this is true, any
6813         * activity, regardless of manifest values, can be resized for multi-window.
6814         * (0 = false, 1 = true)
6815         * @hide
6816         */
6817        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6818                = "force_resizable_activities";
6819
6820        /**
6821         * Whether to enable experimental freeform support for windows.
6822         * @hide
6823         */
6824        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6825                = "enable_freeform_support";
6826
6827       /**
6828        * Whether user has enabled development settings.
6829        */
6830       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6831
6832       /**
6833        * Whether the device has been provisioned (0 = false, 1 = true).
6834        * <p>On a multiuser device with a separate system user, the screen may be locked
6835        * as soon as this is set to true and further activities cannot be launched on the
6836        * system user unless they are marked to show over keyguard.
6837        */
6838       public static final String DEVICE_PROVISIONED = "device_provisioned";
6839
6840       /**
6841        * Whether mobile data should be allowed while the device is being provisioned.
6842        * This allows the provisioning process to turn off mobile data before the user
6843        * has an opportunity to set things up, preventing other processes from burning
6844        * precious bytes before wifi is setup.
6845        * (0 = false, 1 = true)
6846        * @hide
6847        */
6848       public static final String DEVICE_PROVISIONING_MOBILE_DATA_ENABLED =
6849               "device_provisioning_mobile_data";
6850
6851       /**
6852        * The saved value for WindowManagerService.setForcedDisplaySize().
6853        * Two integers separated by a comma.  If unset, then use the real display size.
6854        * @hide
6855        */
6856       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6857
6858       /**
6859        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6860        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6861        * @hide
6862        */
6863       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6864
6865       /**
6866        * The maximum size, in bytes, of a download that the download manager will transfer over
6867        * a non-wifi connection.
6868        * @hide
6869        */
6870       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6871               "download_manager_max_bytes_over_mobile";
6872
6873       /**
6874        * The recommended maximum size, in bytes, of a download that the download manager should
6875        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6876        * have the option to start the download over the mobile connection anyway.
6877        * @hide
6878        */
6879       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6880               "download_manager_recommended_max_bytes_over_mobile";
6881
6882       /**
6883        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6884        */
6885       @Deprecated
6886       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6887
6888       /**
6889        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6890        * sent or processed. (0 = false, 1 = true)
6891        * @hide
6892        */
6893       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6894
6895       /**
6896        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6897        * and the output is redirected to AV Receiver connected via
6898        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6899        * @hide
6900        */
6901       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6902
6903       /**
6904        * Whether TV will automatically turn on upon reception of the CEC command
6905        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6906        * @hide
6907        */
6908       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6909               "hdmi_control_auto_wakeup_enabled";
6910
6911       /**
6912        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6913        * (0 = false, 1 = true)
6914        * @hide
6915        */
6916       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6917               "hdmi_control_auto_device_off_enabled";
6918
6919       /**
6920        * Whether TV will switch to MHL port when a mobile device is plugged in.
6921        * (0 = false, 1 = true)
6922        * @hide
6923        */
6924       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6925
6926       /**
6927        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6928        * @hide
6929        */
6930       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6931
6932       /**
6933        * Whether mobile data connections are allowed by the user.  See
6934        * ConnectivityManager for more info.
6935        * @hide
6936        */
6937       public static final String MOBILE_DATA = "mobile_data";
6938
6939       /**
6940        * Whether the mobile data connection should remain active even when higher
6941        * priority networks like WiFi are active, to help make network switching faster.
6942        *
6943        * See ConnectivityService for more info.
6944        *
6945        * (0 = disabled, 1 = enabled)
6946        * @hide
6947        */
6948       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6949
6950       /** {@hide} */
6951       public static final String NETSTATS_ENABLED = "netstats_enabled";
6952       /** {@hide} */
6953       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6954       /** {@hide} */
6955       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6956       /** {@hide} */
6957       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6958       /** {@hide} */
6959       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6960
6961       /** {@hide} */
6962       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6963       /** {@hide} */
6964       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6965       /** {@hide} */
6966       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6967       /** {@hide} */
6968       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6969
6970       /** {@hide} */
6971       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6972       /** {@hide} */
6973       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6974       /** {@hide} */
6975       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6976       /** {@hide} */
6977       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6978
6979       /** {@hide} */
6980       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6981       /** {@hide} */
6982       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6983       /** {@hide} */
6984       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6985       /** {@hide} */
6986       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6987
6988       /**
6989        * User preference for which network(s) should be used. Only the
6990        * connectivity service should touch this.
6991        */
6992       public static final String NETWORK_PREFERENCE = "network_preference";
6993
6994       /**
6995        * Which package name to use for network scoring. If null, or if the package is not a valid
6996        * scorer app, external network scores will neither be requested nor accepted.
6997        * @hide
6998        */
6999       public static final String NETWORK_SCORER_APP = "network_scorer_app";
7000
7001       /**
7002        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
7003        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
7004        * exceeded.
7005        * @hide
7006        */
7007       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
7008
7009       /**
7010        * The length of time in milli-seconds that automatic small adjustments to
7011        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
7012        * @hide
7013        */
7014       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
7015
7016       /** Preferred NTP server. {@hide} */
7017       public static final String NTP_SERVER = "ntp_server";
7018       /** Timeout in milliseconds to wait for NTP server. {@hide} */
7019       public static final String NTP_TIMEOUT = "ntp_timeout";
7020
7021       /** {@hide} */
7022       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
7023
7024       /**
7025        * Sample validity in seconds to configure for the system DNS resolver.
7026        * {@hide}
7027        */
7028       public static final String DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS =
7029               "dns_resolver_sample_validity_seconds";
7030
7031       /**
7032        * Success threshold in percent for use with the system DNS resolver.
7033        * {@hide}
7034        */
7035       public static final String DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT =
7036                "dns_resolver_success_threshold_percent";
7037
7038       /**
7039        * Minimum number of samples needed for statistics to be considered meaningful in the
7040        * system DNS resolver.
7041        * {@hide}
7042        */
7043       public static final String DNS_RESOLVER_MIN_SAMPLES = "dns_resolver_min_samples";
7044
7045       /**
7046        * Maximum number taken into account for statistics purposes in the system DNS resolver.
7047        * {@hide}
7048        */
7049       public static final String DNS_RESOLVER_MAX_SAMPLES = "dns_resolver_max_samples";
7050
7051       /**
7052        * Whether to disable the automatic scheduling of system updates.
7053        * 1 = system updates won't be automatically scheduled (will always
7054        * present notification instead).
7055        * 0 = system updates will be automatically scheduled. (default)
7056        * @hide
7057        */
7058       @SystemApi
7059       public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
7060
7061       /**
7062        * Whether the package manager should send package verification broadcasts for verifiers to
7063        * review apps prior to installation.
7064        * 1 = request apps to be verified prior to installation, if a verifier exists.
7065        * 0 = do not verify apps before installation
7066        * @hide
7067        */
7068       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
7069
7070       /** Timeout for package verification.
7071        * @hide */
7072       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
7073
7074       /** Default response code for package verification.
7075        * @hide */
7076       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
7077
7078       /**
7079        * Show package verification setting in the Settings app.
7080        * 1 = show (default)
7081        * 0 = hide
7082        * @hide
7083        */
7084       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
7085
7086       /**
7087        * Run package verification on apps installed through ADB/ADT/USB
7088        * 1 = perform package verification on ADB installs (default)
7089        * 0 = bypass package verification on ADB installs
7090        * @hide
7091        */
7092       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
7093
7094       /**
7095        * Time since last fstrim (milliseconds) after which we force one to happen
7096        * during device startup.  If unset, the default is 3 days.
7097        * @hide
7098        */
7099       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
7100
7101       /**
7102        * The interval in milliseconds at which to check packet counts on the
7103        * mobile data interface when screen is on, to detect possible data
7104        * connection problems.
7105        * @hide
7106        */
7107       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
7108               "pdp_watchdog_poll_interval_ms";
7109
7110       /**
7111        * The interval in milliseconds at which to check packet counts on the
7112        * mobile data interface when screen is off, to detect possible data
7113        * connection problems.
7114        * @hide
7115        */
7116       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
7117               "pdp_watchdog_long_poll_interval_ms";
7118
7119       /**
7120        * The interval in milliseconds at which to check packet counts on the
7121        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
7122        * outgoing packets has been reached without incoming packets.
7123        * @hide
7124        */
7125       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
7126               "pdp_watchdog_error_poll_interval_ms";
7127
7128       /**
7129        * The number of outgoing packets sent without seeing an incoming packet
7130        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
7131        * device is logged to the event log
7132        * @hide
7133        */
7134       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
7135               "pdp_watchdog_trigger_packet_count";
7136
7137       /**
7138        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
7139        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
7140        * attempting data connection recovery.
7141        * @hide
7142        */
7143       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
7144               "pdp_watchdog_error_poll_count";
7145
7146       /**
7147        * The number of failed PDP reset attempts before moving to something more
7148        * drastic: re-registering to the network.
7149        * @hide
7150        */
7151       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
7152               "pdp_watchdog_max_pdp_reset_fail_count";
7153
7154       /**
7155        * A positive value indicates how often the SamplingProfiler
7156        * should take snapshots. Zero value means SamplingProfiler
7157        * is disabled.
7158        *
7159        * @hide
7160        */
7161       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
7162
7163       /**
7164        * URL to open browser on to allow user to manage a prepay account
7165        * @hide
7166        */
7167       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
7168               "setup_prepaid_data_service_url";
7169
7170       /**
7171        * URL to attempt a GET on to see if this is a prepay device
7172        * @hide
7173        */
7174       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
7175               "setup_prepaid_detection_target_url";
7176
7177       /**
7178        * Host to check for a redirect to after an attempt to GET
7179        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
7180        * this is a prepaid device with zero balance.)
7181        * @hide
7182        */
7183       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
7184               "setup_prepaid_detection_redir_host";
7185
7186       /**
7187        * The interval in milliseconds at which to check the number of SMS sent out without asking
7188        * for use permit, to limit the un-authorized SMS usage.
7189        *
7190        * @hide
7191        */
7192       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
7193               "sms_outgoing_check_interval_ms";
7194
7195       /**
7196        * The number of outgoing SMS sent without asking for user permit (of {@link
7197        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
7198        *
7199        * @hide
7200        */
7201       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
7202               "sms_outgoing_check_max_count";
7203
7204       /**
7205        * Used to disable SMS short code confirmation - defaults to true.
7206        * True indcates we will do the check, etc.  Set to false to disable.
7207        * @see com.android.internal.telephony.SmsUsageMonitor
7208        * @hide
7209        */
7210       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
7211
7212        /**
7213         * Used to select which country we use to determine premium sms codes.
7214         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
7215         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
7216         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
7217         * @hide
7218         */
7219        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
7220
7221       /**
7222        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
7223        * @hide
7224        */
7225       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
7226
7227       /**
7228        * Used to disable Tethering on a device - defaults to true
7229        * @hide
7230        */
7231       public static final String TETHER_SUPPORTED = "tether_supported";
7232
7233       /**
7234        * Used to require DUN APN on the device or not - defaults to a build config value
7235        * which defaults to false
7236        * @hide
7237        */
7238       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
7239
7240       /**
7241        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
7242        * corresponding build config values are set it will override the APN DB
7243        * values.
7244        * Consists of a comma seperated list of strings:
7245        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
7246        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
7247        * @hide
7248        */
7249       public static final String TETHER_DUN_APN = "tether_dun_apn";
7250
7251       /**
7252        * List of carrier apps which are whitelisted to prompt the user for install when
7253        * a sim card with matching uicc carrier privilege rules is inserted.
7254        *
7255        * The value is "package1;package2;..."
7256        * @hide
7257        */
7258       public static final String CARRIER_APP_WHITELIST = "carrier_app_whitelist";
7259
7260       /**
7261        * USB Mass Storage Enabled
7262        */
7263       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
7264
7265       /**
7266        * If this setting is set (to anything), then all references
7267        * to Gmail on the device must change to Google Mail.
7268        */
7269       public static final String USE_GOOGLE_MAIL = "use_google_mail";
7270
7271        /**
7272         * Webview Data reduction proxy key.
7273         * @hide
7274         */
7275        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
7276                "webview_data_reduction_proxy_key";
7277
7278        /**
7279         * Whether or not the WebView fallback mechanism should be enabled.
7280         * 0=disabled, 1=enabled.
7281         * @hide
7282         */
7283        public static final String WEBVIEW_FALLBACK_LOGIC_ENABLED =
7284                "webview_fallback_logic_enabled";
7285
7286        /**
7287         * Name of the package used as WebView provider (if unset the provider is instead determined
7288         * by the system).
7289         * @hide
7290         */
7291        public static final String WEBVIEW_PROVIDER = "webview_provider";
7292
7293        /**
7294         * Developer setting to enable WebView multiprocess rendering.
7295         * @hide
7296         */
7297        @SystemApi
7298        public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
7299
7300       /**
7301        * Whether Wifi display is enabled/disabled
7302        * 0=disabled. 1=enabled.
7303        * @hide
7304        */
7305       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
7306
7307       /**
7308        * Whether Wifi display certification mode is enabled/disabled
7309        * 0=disabled. 1=enabled.
7310        * @hide
7311        */
7312       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
7313               "wifi_display_certification_on";
7314
7315       /**
7316        * WPS Configuration method used by Wifi display, this setting only
7317        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
7318        *
7319        * Possible values are:
7320        *
7321        * WpsInfo.INVALID: use default WPS method chosen by framework
7322        * WpsInfo.PBC    : use Push button
7323        * WpsInfo.KEYPAD : use Keypad
7324        * WpsInfo.DISPLAY: use Display
7325        * @hide
7326        */
7327       public static final String WIFI_DISPLAY_WPS_CONFIG =
7328           "wifi_display_wps_config";
7329
7330       /**
7331        * Whether to notify the user of open networks.
7332        * <p>
7333        * If not connected and the scan results have an open network, we will
7334        * put this notification up. If we attempt to connect to a network or
7335        * the open network(s) disappear, we remove the notification. When we
7336        * show the notification, we will not show it again for
7337        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
7338        */
7339       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7340               "wifi_networks_available_notification_on";
7341       /**
7342        * {@hide}
7343        */
7344       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7345               "wimax_networks_available_notification_on";
7346
7347       /**
7348        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
7349        * Connecting to a network will reset the timer.
7350        */
7351       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
7352               "wifi_networks_available_repeat_delay";
7353
7354       /**
7355        * 802.11 country code in ISO 3166 format
7356        * @hide
7357        */
7358       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
7359
7360       /**
7361        * The interval in milliseconds to issue wake up scans when wifi needs
7362        * to connect. This is necessary to connect to an access point when
7363        * device is on the move and the screen is off.
7364        * @hide
7365        */
7366       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
7367               "wifi_framework_scan_interval_ms";
7368
7369       /**
7370        * The interval in milliseconds after which Wi-Fi is considered idle.
7371        * When idle, it is possible for the device to be switched from Wi-Fi to
7372        * the mobile data network.
7373        * @hide
7374        */
7375       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
7376
7377       /**
7378        * When the number of open networks exceeds this number, the
7379        * least-recently-used excess networks will be removed.
7380        */
7381       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
7382
7383       /**
7384        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7385        */
7386       public static final String WIFI_ON = "wifi_on";
7387
7388       /**
7389        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7390        * @hide
7391        */
7392       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7393                "wifi_scan_always_enabled";
7394
7395       /**
7396        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7397        * connectivity.
7398        * @hide
7399        */
7400       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7401               "ble_scan_always_enabled";
7402
7403       /**
7404        * Used to save the Wifi_ON state prior to tethering.
7405        * This state will be checked to restore Wifi after
7406        * the user turns off tethering.
7407        *
7408        * @hide
7409        */
7410       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7411
7412       /**
7413        * The interval in milliseconds to scan as used by the wifi supplicant
7414        * @hide
7415        */
7416       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7417               "wifi_supplicant_scan_interval_ms";
7418
7419        /**
7420         * whether frameworks handles wifi auto-join
7421         * @hide
7422         */
7423       public static final String WIFI_ENHANCED_AUTO_JOIN =
7424                "wifi_enhanced_auto_join";
7425
7426        /**
7427         * whether settings show RSSI
7428         * @hide
7429         */
7430        public static final String WIFI_NETWORK_SHOW_RSSI =
7431                "wifi_network_show_rssi";
7432
7433        /**
7434        * The interval in milliseconds to scan at supplicant when p2p is connected
7435        * @hide
7436        */
7437       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7438               "wifi_scan_interval_p2p_connected_ms";
7439
7440       /**
7441        * Whether the Wi-Fi watchdog is enabled.
7442        */
7443       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7444
7445       /**
7446        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7447        * the setting needs to be set to 0 to disable it.
7448        * @hide
7449        */
7450       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7451               "wifi_watchdog_poor_network_test_enabled";
7452
7453       /**
7454        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7455        * needs to be set to 0 to disable it.
7456        * @hide
7457        */
7458       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7459               "wifi_suspend_optimizations_enabled";
7460
7461       /**
7462        * Setting to enable verbose logging in Wi-Fi; disabled by default, and setting to 1
7463        * will enable it. In the future, additional values may be supported.
7464        * @hide
7465        */
7466       public static final String WIFI_VERBOSE_LOGGING_ENABLED =
7467               "wifi_verbose_logging_enabled";
7468
7469       /**
7470        * The maximum number of times we will retry a connection to an access
7471        * point for which we have failed in acquiring an IP address from DHCP.
7472        * A value of N means that we will make N+1 connection attempts in all.
7473        */
7474       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7475
7476       /**
7477        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7478        * data connectivity to be established after a disconnect from Wi-Fi.
7479        */
7480       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7481           "wifi_mobile_data_transition_wakelock_timeout_ms";
7482
7483       /**
7484        * This setting controls whether WiFi configurations created by a Device Owner app
7485        * should be locked down (that is, be editable or removable only by the Device Owner App,
7486        * not even by Settings app).
7487        * This setting takes integer values. Non-zero values mean DO created configurations
7488        * are locked down. Value of zero means they are not. Default value in the absence of
7489        * actual value to this setting is 0.
7490        */
7491       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7492               "wifi_device_owner_configs_lockdown";
7493
7494       /**
7495        * The operational wifi frequency band
7496        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7497        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7498        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7499        *
7500        * @hide
7501        */
7502       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7503
7504       /**
7505        * The Wi-Fi peer-to-peer device name
7506        * @hide
7507        */
7508       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7509
7510       /**
7511        * The min time between wifi disable and wifi enable
7512        * @hide
7513        */
7514       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7515
7516       /**
7517        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7518        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7519        * has been seen in this time period.
7520        *
7521        * If this is less than or equal to zero, we use a more conservative behavior and only check
7522        * for a non-null score from the currently connected or target BSSID.
7523        * @hide
7524        */
7525       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7526               "wifi_ephemeral_out_of_range_timeout_ms";
7527
7528       /**
7529        * The number of milliseconds to delay when checking for data stalls during
7530        * non-aggressive detection. (screen is turned off.)
7531        * @hide
7532        */
7533       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7534               "data_stall_alarm_non_aggressive_delay_in_ms";
7535
7536       /**
7537        * The number of milliseconds to delay when checking for data stalls during
7538        * aggressive detection. (screen on or suspected data stall)
7539        * @hide
7540        */
7541       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7542               "data_stall_alarm_aggressive_delay_in_ms";
7543
7544       /**
7545        * The number of milliseconds to allow the provisioning apn to remain active
7546        * @hide
7547        */
7548       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7549               "provisioning_apn_alarm_delay_in_ms";
7550
7551       /**
7552        * The interval in milliseconds at which to check gprs registration
7553        * after the first registration mismatch of gprs and voice service,
7554        * to detect possible data network registration problems.
7555        *
7556        * @hide
7557        */
7558       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7559               "gprs_register_check_period_ms";
7560
7561       /**
7562        * Nonzero causes Log.wtf() to crash.
7563        * @hide
7564        */
7565       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7566
7567       /**
7568        * Ringer mode. This is used internally, changing this value will not
7569        * change the ringer mode. See AudioManager.
7570        */
7571       public static final String MODE_RINGER = "mode_ringer";
7572
7573       /**
7574        * Overlay display devices setting.
7575        * The associated value is a specially formatted string that describes the
7576        * size and density of simulated secondary display devices.
7577        * <p>
7578        * Format: {width}x{height}/{dpi};...
7579        * </p><p>
7580        * Example:
7581        * <ul>
7582        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7583        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7584        * at 1080p and the second at 720p.</li>
7585        * <li>If the value is empty, then no overlay display devices are created.</li>
7586        * </ul></p>
7587        *
7588        * @hide
7589        */
7590       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7591
7592        /**
7593         * Threshold values for the duration and level of a discharge cycle,
7594         * under which we log discharge cycle info.
7595         *
7596         * @hide
7597         */
7598        public static final String
7599                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7600
7601        /** @hide */
7602        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7603
7604        /**
7605         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7606         * intents on application crashes and ANRs. If this is disabled, the
7607         * crash/ANR dialog will never display the "Report" button.
7608         * <p>
7609         * Type: int (0 = disallow, 1 = allow)
7610         *
7611         * @hide
7612         */
7613        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7614
7615        /**
7616         * Maximum age of entries kept by {@link DropBoxManager}.
7617         *
7618         * @hide
7619         */
7620        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7621
7622        /**
7623         * Maximum number of entry files which {@link DropBoxManager} will keep
7624         * around.
7625         *
7626         * @hide
7627         */
7628        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7629
7630        /**
7631         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7632         * what.
7633         *
7634         * @hide
7635         */
7636        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7637
7638        /**
7639         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7640         * will use.
7641         *
7642         * @hide
7643         */
7644        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7645
7646        /**
7647         * Percent of total disk which {@link DropBoxManager} will never dip
7648         * into.
7649         *
7650         * @hide
7651         */
7652        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7653
7654        /**
7655         * Prefix for per-tag dropbox disable/enable settings.
7656         *
7657         * @hide
7658         */
7659        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7660
7661        /**
7662         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7663         * prefix of the dropbox tag of the report type. For example,
7664         * "logcat_for_system_server_anr" controls the lines of logcat captured
7665         * with system server ANR reports. 0 to disable.
7666         *
7667         * @hide
7668         */
7669        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7670
7671        /**
7672         * The interval in minutes after which the amount of free storage left
7673         * on the device is logged to the event log
7674         *
7675         * @hide
7676         */
7677        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7678
7679        /**
7680         * Threshold for the amount of change in disk free space required to
7681         * report the amount of free space. Used to prevent spamming the logs
7682         * when the disk free space isn't changing frequently.
7683         *
7684         * @hide
7685         */
7686        public static final String
7687                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7688
7689        /**
7690         * Minimum percentage of free storage on the device that is used to
7691         * determine if the device is running low on storage. The default is 10.
7692         * <p>
7693         * Say this value is set to 10, the device is considered running low on
7694         * storage if 90% or more of the device storage is filled up.
7695         *
7696         * @hide
7697         */
7698        public static final String
7699                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7700
7701        /**
7702         * Maximum byte size of the low storage threshold. This is to ensure
7703         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7704         * overly large threshold for large storage devices. Currently this must
7705         * be less than 2GB. This default is 500MB.
7706         *
7707         * @hide
7708         */
7709        public static final String
7710                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7711
7712        /**
7713         * Minimum bytes of free storage on the device before the data partition
7714         * is considered full. By default, 1 MB is reserved to avoid system-wide
7715         * SQLite disk full exceptions.
7716         *
7717         * @hide
7718         */
7719        public static final String
7720                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7721
7722        /**
7723         * The maximum reconnect delay for short network outages or when the
7724         * network is suspended due to phone use.
7725         *
7726         * @hide
7727         */
7728        public static final String
7729                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7730
7731        /**
7732         * The number of milliseconds to delay before sending out
7733         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7734         *
7735         * @hide
7736         */
7737        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7738
7739
7740        /**
7741         * Network sampling interval, in seconds. We'll generate link information
7742         * about bytes/packets sent and error rates based on data sampled in this interval
7743         *
7744         * @hide
7745         */
7746
7747        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7748                "connectivity_sampling_interval_in_seconds";
7749
7750        /**
7751         * The series of successively longer delays used in retrying to download PAC file.
7752         * Last delay is used between successful PAC downloads.
7753         *
7754         * @hide
7755         */
7756        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7757
7758        /**
7759         * Setting to turn off captive portal detection. Feature is enabled by
7760         * default and the setting needs to be set to 0 to disable it.
7761         *
7762         * @hide
7763         */
7764        public static final String
7765                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7766
7767        /**
7768         * The server used for captive portal detection upon a new conection. A
7769         * 204 response code from the server is used for validation.
7770         *
7771         * @hide
7772         */
7773        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7774
7775        /**
7776         * Whether to use HTTPS for network validation. This is enabled by default and the setting
7777         * needs to be set to 0 to disable it. This setting is a misnomer because captive portals
7778         * don't actually use HTTPS, but it's consistent with the other settings.
7779         *
7780         * @hide
7781         */
7782        public static final String CAPTIVE_PORTAL_USE_HTTPS = "captive_portal_use_https";
7783
7784        /**
7785         * Whether network service discovery is enabled.
7786         *
7787         * @hide
7788         */
7789        public static final String NSD_ON = "nsd_on";
7790
7791        /**
7792         * Let user pick default install location.
7793         *
7794         * @hide
7795         */
7796        public static final String SET_INSTALL_LOCATION = "set_install_location";
7797
7798        /**
7799         * Default install location value.
7800         * 0 = auto, let system decide
7801         * 1 = internal
7802         * 2 = sdcard
7803         * @hide
7804         */
7805        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7806
7807        /**
7808         * ms during which to consume extra events related to Inet connection
7809         * condition after a transtion to fully-connected
7810         *
7811         * @hide
7812         */
7813        public static final String
7814                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7815
7816        /**
7817         * ms during which to consume extra events related to Inet connection
7818         * condtion after a transtion to partly-connected
7819         *
7820         * @hide
7821         */
7822        public static final String
7823                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7824
7825        /** {@hide} */
7826        public static final String
7827                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7828
7829        /**
7830         * Host name and port for global http proxy. Uses ':' seperator for
7831         * between host and port.
7832         */
7833        public static final String HTTP_PROXY = "http_proxy";
7834
7835        /**
7836         * Host name for global http proxy. Set via ConnectivityManager.
7837         *
7838         * @hide
7839         */
7840        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7841
7842        /**
7843         * Integer host port for global http proxy. Set via ConnectivityManager.
7844         *
7845         * @hide
7846         */
7847        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7848
7849        /**
7850         * Exclusion list for global proxy. This string contains a list of
7851         * comma-separated domains where the global proxy does not apply.
7852         * Domains should be listed in a comma- separated list. Example of
7853         * acceptable formats: ".domain1.com,my.domain2.com" Use
7854         * ConnectivityManager to set/get.
7855         *
7856         * @hide
7857         */
7858        public static final String
7859                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7860
7861        /**
7862         * The location PAC File for the proxy.
7863         * @hide
7864         */
7865        public static final String
7866                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7867
7868        /**
7869         * Enables the UI setting to allow the user to specify the global HTTP
7870         * proxy and associated exclusion list.
7871         *
7872         * @hide
7873         */
7874        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7875
7876        /**
7877         * Setting for default DNS in case nobody suggests one
7878         *
7879         * @hide
7880         */
7881        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7882
7883        /** {@hide} */
7884        public static final String
7885                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7886        /** {@hide} */
7887        public static final String
7888                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7889        /** {@hide} */
7890        public static final String
7891                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7892        /** {@hide} */
7893        public static final String
7894                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7895        /** {@hide} */
7896        public static final String
7897                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7898        /** {@hide} */
7899        public static final String
7900                BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX = "bluetooth_pbap_client_priority_";
7901        /** {@hide} */
7902        public static final String
7903                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7904
7905        /**
7906         * Device Idle (Doze) specific settings.
7907         * This is encoded as a key=value list, separated by commas. Ex:
7908         *
7909         * "inactive_timeout=60000,sensing_timeout=400000"
7910         *
7911         * The following keys are supported:
7912         *
7913         * <pre>
7914         * inactive_to                      (long)
7915         * sensing_to                       (long)
7916         * motion_inactive_to               (long)
7917         * idle_after_inactive_to           (long)
7918         * idle_pending_to                  (long)
7919         * max_idle_pending_to              (long)
7920         * idle_pending_factor              (float)
7921         * idle_to                          (long)
7922         * max_idle_to                      (long)
7923         * idle_factor                      (float)
7924         * min_time_to_alarm                (long)
7925         * max_temp_app_whitelist_duration  (long)
7926         * </pre>
7927         *
7928         * <p>
7929         * Type: string
7930         * @hide
7931         * @see com.android.server.DeviceIdleController.Constants
7932         */
7933        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7934
7935        /**
7936         * Device Idle (Doze) specific settings for watches. See {@code #DEVICE_IDLE_CONSTANTS}
7937         *
7938         * <p>
7939         * Type: string
7940         * @hide
7941         * @see com.android.server.DeviceIdleController.Constants
7942         */
7943        public static final String DEVICE_IDLE_CONSTANTS_WATCH = "device_idle_constants_watch";
7944
7945        /**
7946         * App standby (app idle) specific settings.
7947         * This is encoded as a key=value list, separated by commas. Ex:
7948         *
7949         * "idle_duration=5000,parole_interval=4500"
7950         *
7951         * The following keys are supported:
7952         *
7953         * <pre>
7954         * idle_duration2       (long)
7955         * wallclock_threshold  (long)
7956         * parole_interval      (long)
7957         * parole_duration      (long)
7958         *
7959         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7960         * </pre>
7961         *
7962         * <p>
7963         * Type: string
7964         * @hide
7965         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7966         */
7967        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7968
7969        /**
7970         * Alarm manager specific settings.
7971         * This is encoded as a key=value list, separated by commas. Ex:
7972         *
7973         * "min_futurity=5000,allow_while_idle_short_time=4500"
7974         *
7975         * The following keys are supported:
7976         *
7977         * <pre>
7978         * min_futurity                         (long)
7979         * min_interval                         (long)
7980         * allow_while_idle_short_time          (long)
7981         * allow_while_idle_long_time           (long)
7982         * allow_while_idle_whitelist_duration  (long)
7983         * </pre>
7984         *
7985         * <p>
7986         * Type: string
7987         * @hide
7988         * @see com.android.server.AlarmManagerService.Constants
7989         */
7990        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7991
7992        /**
7993         * ShortcutManager specific settings.
7994         * This is encoded as a key=value list, separated by commas. Ex:
7995         *
7996         * "reset_interval_sec=86400,max_updates_per_interval=1"
7997         *
7998         * The following keys are supported:
7999         *
8000         * <pre>
8001         * reset_interval_sec              (long)
8002         * max_updates_per_interval        (int)
8003         * max_icon_dimension_dp           (int, DP)
8004         * max_icon_dimension_dp_lowram    (int, DP)
8005         * max_shortcuts                   (int)
8006         * icon_quality                    (int, 0-100)
8007         * icon_format                     (String)
8008         * </pre>
8009         *
8010         * <p>
8011         * Type: string
8012         * @hide
8013         * @see com.android.server.pm.ShortcutService.ConfigConstants
8014         */
8015        public static final String SHORTCUT_MANAGER_CONSTANTS = "shortcut_manager_constants";
8016
8017        /**
8018         * Get the key that retrieves a bluetooth headset's priority.
8019         * @hide
8020         */
8021        public static final String getBluetoothHeadsetPriorityKey(String address) {
8022            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8023        }
8024
8025        /**
8026         * Get the key that retrieves a bluetooth a2dp sink's priority.
8027         * @hide
8028         */
8029        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
8030            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8031        }
8032
8033        /**
8034         * Get the key that retrieves a bluetooth a2dp src's priority.
8035         * @hide
8036         */
8037        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
8038            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8039        }
8040
8041        /**
8042         * Get the key that retrieves a bluetooth Input Device's priority.
8043         * @hide
8044         */
8045        public static final String getBluetoothInputDevicePriorityKey(String address) {
8046            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8047        }
8048
8049        /**
8050         * Get the key that retrieves a bluetooth map priority.
8051         * @hide
8052         */
8053        public static final String getBluetoothMapPriorityKey(String address) {
8054            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8055        }
8056
8057        /**
8058         * Get the key that retrieves a bluetooth pbap client priority.
8059         * @hide
8060         */
8061        public static final String getBluetoothPbapClientPriorityKey(String address) {
8062            return BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8063        }
8064
8065        /**
8066         * Get the key that retrieves a bluetooth map priority.
8067         * @hide
8068         */
8069        public static final String getBluetoothSapPriorityKey(String address) {
8070            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8071        }
8072
8073        /**
8074         * Scaling factor for normal window animations. Setting to 0 will
8075         * disable window animations.
8076         */
8077        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
8078
8079        /**
8080         * Scaling factor for activity transition animations. Setting to 0 will
8081         * disable window animations.
8082         */
8083        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
8084
8085        /**
8086         * Scaling factor for Animator-based animations. This affects both the
8087         * start delay and duration of all such animations. Setting to 0 will
8088         * cause animations to end immediately. The default value is 1.
8089         */
8090        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
8091
8092        /**
8093         * Scaling factor for normal window animations. Setting to 0 will
8094         * disable window animations.
8095         *
8096         * @hide
8097         */
8098        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
8099
8100        /**
8101         * If 0, the compatibility mode is off for all applications.
8102         * If 1, older applications run under compatibility mode.
8103         * TODO: remove this settings before code freeze (bug/1907571)
8104         * @hide
8105         */
8106        public static final String COMPATIBILITY_MODE = "compatibility_mode";
8107
8108        /**
8109         * CDMA only settings
8110         * Emergency Tone  0 = Off
8111         *                 1 = Alert
8112         *                 2 = Vibrate
8113         * @hide
8114         */
8115        public static final String EMERGENCY_TONE = "emergency_tone";
8116
8117        /**
8118         * CDMA only settings
8119         * Whether the auto retry is enabled. The value is
8120         * boolean (1 or 0).
8121         * @hide
8122         */
8123        public static final String CALL_AUTO_RETRY = "call_auto_retry";
8124
8125        /**
8126         * See RIL_PreferredNetworkType in ril.h
8127         * @hide
8128         */
8129        public static final String PREFERRED_NETWORK_MODE =
8130                "preferred_network_mode";
8131
8132        /**
8133         * Name of an application package to be debugged.
8134         */
8135        public static final String DEBUG_APP = "debug_app";
8136
8137        /**
8138         * If 1, when launching DEBUG_APP it will wait for the debugger before
8139         * starting user code.  If 0, it will run normally.
8140         */
8141        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
8142
8143        /**
8144         * Control whether the process CPU usage meter should be shown.
8145         */
8146        public static final String SHOW_PROCESSES = "show_processes";
8147
8148        /**
8149         * If 1 low power mode is enabled.
8150         * @hide
8151         */
8152        public static final String LOW_POWER_MODE = "low_power";
8153
8154        /**
8155         * Battery level [1-99] at which low power mode automatically turns on.
8156         * If 0, it will not automatically turn on.
8157         * @hide
8158         */
8159        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
8160
8161         /**
8162         * If not 0, the activity manager will aggressively finish activities and
8163         * processes as soon as they are no longer needed.  If 0, the normal
8164         * extended lifetime is used.
8165         */
8166        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
8167
8168        /**
8169         * @hide
8170         * If not 0, the activity manager will implement a looser version of background
8171         * check that is more compatible with existing apps.
8172         */
8173        public static final String LENIENT_BACKGROUND_CHECK = "lenient_background_check";
8174
8175        /**
8176         * Use Dock audio output for media:
8177         *      0 = disabled
8178         *      1 = enabled
8179         * @hide
8180         */
8181        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
8182
8183        /**
8184         * The surround sound formats AC3, DTS or IEC61937 are
8185         * available for use if they are detected.
8186         * This is the default mode.
8187         *
8188         * Note that AUTO is equivalent to ALWAYS for Android TVs and other
8189         * devices that have an S/PDIF output. This is because S/PDIF
8190         * is unidirectional and the TV cannot know if a decoder is
8191         * connected. So it assumes they are always available.
8192         * @hide
8193         */
8194         public static final int ENCODED_SURROUND_OUTPUT_AUTO = 0;
8195
8196        /**
8197         * AC3, DTS or IEC61937 are NEVER available, even if they
8198         * are detected by the hardware. Those formats will not be
8199         * reported.
8200         *
8201         * An example use case would be an AVR reports that it is capable of
8202         * surround sound decoding but is broken. If NEVER is chosen
8203         * then apps must use PCM output instead of encoded output.
8204         * @hide
8205         */
8206         public static final int ENCODED_SURROUND_OUTPUT_NEVER = 1;
8207
8208        /**
8209         * AC3, DTS or IEC61937 are ALWAYS available, even if they
8210         * are not detected by the hardware. Those formats will be
8211         * reported as part of the HDMI output capability. Applications
8212         * are then free to use either PCM or encoded output.
8213         *
8214         * An example use case would be a when TV was connected over
8215         * TOS-link to an AVR. But the TV could not see it because TOS-link
8216         * is unidirectional.
8217         * @hide
8218         */
8219         public static final int ENCODED_SURROUND_OUTPUT_ALWAYS = 2;
8220
8221        /**
8222         * Set to ENCODED_SURROUND_OUTPUT_AUTO,
8223         * ENCODED_SURROUND_OUTPUT_NEVER or
8224         * ENCODED_SURROUND_OUTPUT_ALWAYS
8225         * @hide
8226         */
8227        public static final String ENCODED_SURROUND_OUTPUT = "encoded_surround_output";
8228
8229        /**
8230         * Persisted safe headphone volume management state by AudioService
8231         * @hide
8232         */
8233        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
8234
8235        /**
8236         * URL for tzinfo (time zone) updates
8237         * @hide
8238         */
8239        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
8240
8241        /**
8242         * URL for tzinfo (time zone) update metadata
8243         * @hide
8244         */
8245        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
8246
8247        /**
8248         * URL for selinux (mandatory access control) updates
8249         * @hide
8250         */
8251        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
8252
8253        /**
8254         * URL for selinux (mandatory access control) update metadata
8255         * @hide
8256         */
8257        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
8258
8259        /**
8260         * URL for sms short code updates
8261         * @hide
8262         */
8263        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
8264                "sms_short_codes_content_url";
8265
8266        /**
8267         * URL for sms short code update metadata
8268         * @hide
8269         */
8270        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
8271                "sms_short_codes_metadata_url";
8272
8273        /**
8274         * URL for apn_db updates
8275         * @hide
8276         */
8277        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
8278
8279        /**
8280         * URL for apn_db update metadata
8281         * @hide
8282         */
8283        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
8284
8285        /**
8286         * URL for cert pinlist updates
8287         * @hide
8288         */
8289        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
8290
8291        /**
8292         * URL for cert pinlist updates
8293         * @hide
8294         */
8295        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
8296
8297        /**
8298         * URL for intent firewall updates
8299         * @hide
8300         */
8301        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
8302                "intent_firewall_content_url";
8303
8304        /**
8305         * URL for intent firewall update metadata
8306         * @hide
8307         */
8308        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
8309                "intent_firewall_metadata_url";
8310
8311        /**
8312         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
8313         * @hide
8314         */
8315        public static final String SELINUX_STATUS = "selinux_status";
8316
8317        /**
8318         * Developer setting to force RTL layout.
8319         * @hide
8320         */
8321        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
8322
8323        /**
8324         * Milliseconds after screen-off after which low battery sounds will be silenced.
8325         *
8326         * If zero, battery sounds will always play.
8327         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
8328         *
8329         * @hide
8330         */
8331        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
8332
8333        /**
8334         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
8335         * the caller is done with this, they should call {@link ContentResolver#delete} to
8336         * clean up any value that they may have written.
8337         *
8338         * @hide
8339         */
8340        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
8341
8342        /**
8343         * Defines global runtime overrides to window policy.
8344         *
8345         * See {@link com.android.server.policy.PolicyControl} for value format.
8346         *
8347         * @hide
8348         */
8349        public static final String POLICY_CONTROL = "policy_control";
8350
8351        /**
8352         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
8353         * or ZEN_MODE_NO_INTERRUPTIONS.
8354         *
8355         * @hide
8356         */
8357        public static final String ZEN_MODE = "zen_mode";
8358
8359        /** @hide */ public static final int ZEN_MODE_OFF = 0;
8360        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
8361        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
8362        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
8363
8364        /** @hide */ public static String zenModeToString(int mode) {
8365            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
8366            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
8367            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
8368            return "ZEN_MODE_OFF";
8369        }
8370
8371        /** @hide */ public static boolean isValidZenMode(int value) {
8372            switch (value) {
8373                case Global.ZEN_MODE_OFF:
8374                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
8375                case Global.ZEN_MODE_ALARMS:
8376                case Global.ZEN_MODE_NO_INTERRUPTIONS:
8377                    return true;
8378                default:
8379                    return false;
8380            }
8381        }
8382
8383        /**
8384         * Value of the ringer before entering zen mode.
8385         *
8386         * @hide
8387         */
8388        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
8389
8390        /**
8391         * Opaque value, changes when persisted zen mode configuration changes.
8392         *
8393         * @hide
8394         */
8395        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
8396
8397        /**
8398         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
8399         *
8400         * @hide
8401         */
8402        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
8403                "heads_up_notifications_enabled";
8404
8405        /** @hide */ public static final int HEADS_UP_OFF = 0;
8406        /** @hide */ public static final int HEADS_UP_ON = 1;
8407
8408        /**
8409         * The name of the device
8410         *
8411         * @hide
8412         */
8413        public static final String DEVICE_NAME = "device_name";
8414
8415        /**
8416         * Whether the NetworkScoringService has been first initialized.
8417         * <p>
8418         * Type: int (0 for false, 1 for true)
8419         * @hide
8420         */
8421        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
8422
8423        /**
8424         * Whether the user wants to be prompted for password to decrypt the device on boot.
8425         * This only matters if the storage is encrypted.
8426         * <p>
8427         * Type: int (0 for false, 1 for true)
8428         * @hide
8429         */
8430        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
8431
8432        /**
8433         * Whether the Volte is enabled
8434         * <p>
8435         * Type: int (0 for false, 1 for true)
8436         * @hide
8437         */
8438        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
8439
8440        /**
8441         * Whether VT (Video Telephony over IMS) is enabled
8442         * <p>
8443         * Type: int (0 for false, 1 for true)
8444         *
8445         * @hide
8446         */
8447        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
8448
8449        /**
8450         * Whether WFC is enabled
8451         * <p>
8452         * Type: int (0 for false, 1 for true)
8453         *
8454         * @hide
8455         */
8456        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
8457
8458        /**
8459         * WFC Mode.
8460         * <p>
8461         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
8462         *
8463         * @hide
8464         */
8465        public static final String WFC_IMS_MODE = "wfc_ims_mode";
8466
8467        /**
8468         * Whether WFC roaming is enabled
8469         * <p>
8470         * Type: int (0 for false, 1 for true)
8471         *
8472         * @hide
8473         */
8474        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
8475
8476        /**
8477         * Whether user can enable/disable LTE as a preferred network. A carrier might control
8478         * this via gservices, OMA-DM, carrier app, etc.
8479         * <p>
8480         * Type: int (0 for false, 1 for true)
8481         * @hide
8482         */
8483        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
8484
8485        /**
8486         * Ephemeral app cookie max size in bytes.
8487         * <p>
8488         * Type: int
8489         * @hide
8490         */
8491        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
8492                "ephemeral_cookie_max_size_bytes";
8493
8494        /**
8495         * The duration for caching uninstalled ephemeral apps.
8496         * <p>
8497         * Type: long
8498         * @hide
8499         */
8500        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8501                "uninstalled_ephemeral_app_cache_duration_millis";
8502
8503        /**
8504         * Allows switching users when system user is locked.
8505         * <p>
8506         * Type: int
8507         * @hide
8508         */
8509        public static final String ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED =
8510                "allow_user_switching_when_system_user_locked";
8511
8512        /**
8513         * Boot count since the device starts running APK level 24.
8514         * <p>
8515         * Type: int
8516         */
8517        public static final String BOOT_COUNT = "boot_count";
8518
8519        /**
8520         * Whether the safe boot is disallowed.
8521         *
8522         * <p>This setting should have the identical value as the corresponding user restriction.
8523         * The purpose of the setting is to make the restriction available in early boot stages
8524         * before the user restrictions are loaded.
8525         * @hide
8526         */
8527        public static final String SAFE_BOOT_DISALLOWED = "safe_boot_disallowed";
8528
8529        /**
8530         * Settings to backup. This is here so that it's in the same place as the settings
8531         * keys and easy to update.
8532         *
8533         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8534         * and Secure as well.  This is because those tables drive both backup and
8535         * restore, and restore needs to properly whitelist keys that used to live
8536         * in those namespaces.  The keys will only actually be backed up / restored
8537         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8538         *
8539         * NOTE: Settings are backed up and restored in the order they appear
8540         *       in this array. If you have one setting depending on another,
8541         *       make sure that they are ordered appropriately.
8542         *
8543         * @hide
8544         */
8545        public static final String[] SETTINGS_TO_BACKUP = {
8546            BUGREPORT_IN_POWER_MENU,
8547            STAY_ON_WHILE_PLUGGED_IN,
8548            AUTO_TIME,
8549            AUTO_TIME_ZONE,
8550            POWER_SOUNDS_ENABLED,
8551            DOCK_SOUNDS_ENABLED,
8552            CHARGING_SOUNDS_ENABLED,
8553            USB_MASS_STORAGE_ENABLED,
8554            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8555            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8556            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8557            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8558            WIFI_NUM_OPEN_NETWORKS_KEPT,
8559            EMERGENCY_TONE,
8560            CALL_AUTO_RETRY,
8561            DOCK_AUDIO_MEDIA_ENABLED,
8562            ENCODED_SURROUND_OUTPUT,
8563            LOW_POWER_MODE_TRIGGER_LEVEL
8564        };
8565
8566        // Populated lazily, guarded by class object:
8567        private static NameValueCache sNameValueCache = new NameValueCache(
8568                    CONTENT_URI,
8569                    CALL_METHOD_GET_GLOBAL,
8570                    CALL_METHOD_PUT_GLOBAL);
8571
8572        // Certain settings have been moved from global to the per-user secure namespace
8573        private static final HashSet<String> MOVED_TO_SECURE;
8574        static {
8575            MOVED_TO_SECURE = new HashSet<String>(1);
8576            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8577        }
8578
8579        /** @hide */
8580        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8581            outKeySet.addAll(MOVED_TO_SECURE);
8582        }
8583
8584        /**
8585         * Look up a name in the database.
8586         * @param resolver to access the database with
8587         * @param name to look up in the table
8588         * @return the corresponding value, or null if not present
8589         */
8590        public static String getString(ContentResolver resolver, String name) {
8591            return getStringForUser(resolver, name, UserHandle.myUserId());
8592        }
8593
8594        /** @hide */
8595        public static String getStringForUser(ContentResolver resolver, String name,
8596                int userHandle) {
8597            if (MOVED_TO_SECURE.contains(name)) {
8598                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8599                        + " to android.provider.Settings.Secure, returning read-only value.");
8600                return Secure.getStringForUser(resolver, name, userHandle);
8601            }
8602            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8603        }
8604
8605        /**
8606         * Store a name/value pair into the database.
8607         * @param resolver to access the database with
8608         * @param name to store
8609         * @param value to associate with the name
8610         * @return true if the value was set, false on database errors
8611         */
8612        public static boolean putString(ContentResolver resolver,
8613                String name, String value) {
8614            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8615        }
8616
8617        /** @hide */
8618        public static boolean putStringForUser(ContentResolver resolver,
8619                String name, String value, int userHandle) {
8620            if (LOCAL_LOGV) {
8621                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8622                        + " for " + userHandle);
8623            }
8624            // Global and Secure have the same access policy so we can forward writes
8625            if (MOVED_TO_SECURE.contains(name)) {
8626                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8627                        + " to android.provider.Settings.Secure, value is unchanged.");
8628                return Secure.putStringForUser(resolver, name, value, userHandle);
8629            }
8630            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8631        }
8632
8633        /**
8634         * Construct the content URI for a particular name/value pair,
8635         * useful for monitoring changes with a ContentObserver.
8636         * @param name to look up in the table
8637         * @return the corresponding content URI, or null if not present
8638         */
8639        public static Uri getUriFor(String name) {
8640            return getUriFor(CONTENT_URI, name);
8641        }
8642
8643        /**
8644         * Convenience function for retrieving a single secure settings value
8645         * as an integer.  Note that internally setting values are always
8646         * stored as strings; this function converts the string to an integer
8647         * for you.  The default value will be returned if the setting is
8648         * not defined or not an integer.
8649         *
8650         * @param cr The ContentResolver to access.
8651         * @param name The name of the setting to retrieve.
8652         * @param def Value to return if the setting is not defined.
8653         *
8654         * @return The setting's current value, or 'def' if it is not defined
8655         * or not a valid integer.
8656         */
8657        public static int getInt(ContentResolver cr, String name, int def) {
8658            String v = getString(cr, name);
8659            try {
8660                return v != null ? Integer.parseInt(v) : def;
8661            } catch (NumberFormatException e) {
8662                return def;
8663            }
8664        }
8665
8666        /**
8667         * Convenience function for retrieving a single secure settings value
8668         * as an integer.  Note that internally setting values are always
8669         * stored as strings; this function converts the string to an integer
8670         * for you.
8671         * <p>
8672         * This version does not take a default value.  If the setting has not
8673         * been set, or the string value is not a number,
8674         * it throws {@link SettingNotFoundException}.
8675         *
8676         * @param cr The ContentResolver to access.
8677         * @param name The name of the setting to retrieve.
8678         *
8679         * @throws SettingNotFoundException Thrown if a setting by the given
8680         * name can't be found or the setting value is not an integer.
8681         *
8682         * @return The setting's current value.
8683         */
8684        public static int getInt(ContentResolver cr, String name)
8685                throws SettingNotFoundException {
8686            String v = getString(cr, name);
8687            try {
8688                return Integer.parseInt(v);
8689            } catch (NumberFormatException e) {
8690                throw new SettingNotFoundException(name);
8691            }
8692        }
8693
8694        /**
8695         * Convenience function for updating a single settings value as an
8696         * integer. This will either create a new entry in the table if the
8697         * given name does not exist, or modify the value of the existing row
8698         * with that name.  Note that internally setting values are always
8699         * stored as strings, so this function converts the given value to a
8700         * string before storing it.
8701         *
8702         * @param cr The ContentResolver to access.
8703         * @param name The name of the setting to modify.
8704         * @param value The new value for the setting.
8705         * @return true if the value was set, false on database errors
8706         */
8707        public static boolean putInt(ContentResolver cr, String name, int value) {
8708            return putString(cr, name, Integer.toString(value));
8709        }
8710
8711        /**
8712         * Convenience function for retrieving a single secure settings value
8713         * as a {@code long}.  Note that internally setting values are always
8714         * stored as strings; this function converts the string to a {@code long}
8715         * for you.  The default value will be returned if the setting is
8716         * not defined or not a {@code long}.
8717         *
8718         * @param cr The ContentResolver to access.
8719         * @param name The name of the setting to retrieve.
8720         * @param def Value to return if the setting is not defined.
8721         *
8722         * @return The setting's current value, or 'def' if it is not defined
8723         * or not a valid {@code long}.
8724         */
8725        public static long getLong(ContentResolver cr, String name, long def) {
8726            String valString = getString(cr, name);
8727            long value;
8728            try {
8729                value = valString != null ? Long.parseLong(valString) : def;
8730            } catch (NumberFormatException e) {
8731                value = def;
8732            }
8733            return value;
8734        }
8735
8736        /**
8737         * Convenience function for retrieving a single secure settings value
8738         * as a {@code long}.  Note that internally setting values are always
8739         * stored as strings; this function converts the string to a {@code long}
8740         * for you.
8741         * <p>
8742         * This version does not take a default value.  If the setting has not
8743         * been set, or the string value is not a number,
8744         * it throws {@link SettingNotFoundException}.
8745         *
8746         * @param cr The ContentResolver to access.
8747         * @param name The name of the setting to retrieve.
8748         *
8749         * @return The setting's current value.
8750         * @throws SettingNotFoundException Thrown if a setting by the given
8751         * name can't be found or the setting value is not an integer.
8752         */
8753        public static long getLong(ContentResolver cr, String name)
8754                throws SettingNotFoundException {
8755            String valString = getString(cr, name);
8756            try {
8757                return Long.parseLong(valString);
8758            } catch (NumberFormatException e) {
8759                throw new SettingNotFoundException(name);
8760            }
8761        }
8762
8763        /**
8764         * Convenience function for updating a secure settings value as a long
8765         * integer. This will either create a new entry in the table if the
8766         * given name does not exist, or modify the value of the existing row
8767         * with that name.  Note that internally setting values are always
8768         * stored as strings, so this function converts the given value to a
8769         * string before storing it.
8770         *
8771         * @param cr The ContentResolver to access.
8772         * @param name The name of the setting to modify.
8773         * @param value The new value for the setting.
8774         * @return true if the value was set, false on database errors
8775         */
8776        public static boolean putLong(ContentResolver cr, String name, long value) {
8777            return putString(cr, name, Long.toString(value));
8778        }
8779
8780        /**
8781         * Convenience function for retrieving a single secure settings value
8782         * as a floating point number.  Note that internally setting values are
8783         * always stored as strings; this function converts the string to an
8784         * float for you. The default value will be returned if the setting
8785         * is not defined or not a valid float.
8786         *
8787         * @param cr The ContentResolver to access.
8788         * @param name The name of the setting to retrieve.
8789         * @param def Value to return if the setting is not defined.
8790         *
8791         * @return The setting's current value, or 'def' if it is not defined
8792         * or not a valid float.
8793         */
8794        public static float getFloat(ContentResolver cr, String name, float def) {
8795            String v = getString(cr, name);
8796            try {
8797                return v != null ? Float.parseFloat(v) : def;
8798            } catch (NumberFormatException e) {
8799                return def;
8800            }
8801        }
8802
8803        /**
8804         * Convenience function for retrieving a single secure settings value
8805         * as a float.  Note that internally setting values are always
8806         * stored as strings; this function converts the string to a float
8807         * for you.
8808         * <p>
8809         * This version does not take a default value.  If the setting has not
8810         * been set, or the string value is not a number,
8811         * it throws {@link SettingNotFoundException}.
8812         *
8813         * @param cr The ContentResolver to access.
8814         * @param name The name of the setting to retrieve.
8815         *
8816         * @throws SettingNotFoundException Thrown if a setting by the given
8817         * name can't be found or the setting value is not a float.
8818         *
8819         * @return The setting's current value.
8820         */
8821        public static float getFloat(ContentResolver cr, String name)
8822                throws SettingNotFoundException {
8823            String v = getString(cr, name);
8824            if (v == null) {
8825                throw new SettingNotFoundException(name);
8826            }
8827            try {
8828                return Float.parseFloat(v);
8829            } catch (NumberFormatException e) {
8830                throw new SettingNotFoundException(name);
8831            }
8832        }
8833
8834        /**
8835         * Convenience function for updating a single settings value as a
8836         * floating point number. This will either create a new entry in the
8837         * table if the given name does not exist, or modify the value of the
8838         * existing row with that name.  Note that internally setting values
8839         * are always stored as strings, so this function converts the given
8840         * value to a string before storing it.
8841         *
8842         * @param cr The ContentResolver to access.
8843         * @param name The name of the setting to modify.
8844         * @param value The new value for the setting.
8845         * @return true if the value was set, false on database errors
8846         */
8847        public static boolean putFloat(ContentResolver cr, String name, float value) {
8848            return putString(cr, name, Float.toString(value));
8849        }
8850
8851
8852        /**
8853          * Subscription to be used for voice call on a multi sim device. The supported values
8854          * are 0 = SUB1, 1 = SUB2 and etc.
8855          * @hide
8856          */
8857        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8858
8859        /**
8860          * Used to provide option to user to select subscription during dial.
8861          * The supported values are 0 = disable or 1 = enable prompt.
8862          * @hide
8863          */
8864        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8865
8866        /**
8867          * Subscription to be used for data call on a multi sim device. The supported values
8868          * are 0 = SUB1, 1 = SUB2 and etc.
8869          * @hide
8870          */
8871        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8872
8873        /**
8874          * Subscription to be used for SMS on a multi sim device. The supported values
8875          * are 0 = SUB1, 1 = SUB2 and etc.
8876          * @hide
8877          */
8878        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8879
8880       /**
8881          * Used to provide option to user to select subscription during send SMS.
8882          * The value 1 - enable, 0 - disable
8883          * @hide
8884          */
8885        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8886
8887
8888
8889        /** User preferred subscriptions setting.
8890          * This holds the details of the user selected subscription from the card and
8891          * the activation status. Each settings string have the coma separated values
8892          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8893          * @hide
8894         */
8895        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8896                "user_preferred_sub2","user_preferred_sub3"};
8897
8898        /**
8899         * Whether to enable new contacts aggregator or not.
8900         * The value 1 - enable, 0 - disable
8901         * @hide
8902         */
8903        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8904
8905        /**
8906         * Whether to enable contacts metadata syncing or not
8907         * The value 1 - enable, 0 - disable
8908         */
8909        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8910
8911        /**
8912         * Whether to enable cellular on boot.
8913         * The value 1 - enable, 0 - disable
8914         * @hide
8915         */
8916        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8917    }
8918
8919    /**
8920     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8921     * Intent URL, allowing it to be either a web page or a particular
8922     * application activity.
8923     *
8924     * @hide
8925     */
8926    public static final class Bookmarks implements BaseColumns
8927    {
8928        private static final String TAG = "Bookmarks";
8929
8930        /**
8931         * The content:// style URL for this table
8932         */
8933        public static final Uri CONTENT_URI =
8934            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8935
8936        /**
8937         * The row ID.
8938         * <p>Type: INTEGER</p>
8939         */
8940        public static final String ID = "_id";
8941
8942        /**
8943         * Descriptive name of the bookmark that can be displayed to the user.
8944         * If this is empty, the title should be resolved at display time (use
8945         * {@link #getTitle(Context, Cursor)} any time you want to display the
8946         * title of a bookmark.)
8947         * <P>
8948         * Type: TEXT
8949         * </P>
8950         */
8951        public static final String TITLE = "title";
8952
8953        /**
8954         * Arbitrary string (displayed to the user) that allows bookmarks to be
8955         * organized into categories.  There are some special names for
8956         * standard folders, which all start with '@'.  The label displayed for
8957         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8958         * the folder name does not change so you can consistently query for
8959         * the folder regardless of the current locale.
8960         *
8961         * <P>Type: TEXT</P>
8962         *
8963         */
8964        public static final String FOLDER = "folder";
8965
8966        /**
8967         * The Intent URL of the bookmark, describing what it points to.  This
8968         * value is given to {@link android.content.Intent#getIntent} to create
8969         * an Intent that can be launched.
8970         * <P>Type: TEXT</P>
8971         */
8972        public static final String INTENT = "intent";
8973
8974        /**
8975         * Optional shortcut character associated with this bookmark.
8976         * <P>Type: INTEGER</P>
8977         */
8978        public static final String SHORTCUT = "shortcut";
8979
8980        /**
8981         * The order in which the bookmark should be displayed
8982         * <P>Type: INTEGER</P>
8983         */
8984        public static final String ORDERING = "ordering";
8985
8986        private static final String[] sIntentProjection = { INTENT };
8987        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8988        private static final String sShortcutSelection = SHORTCUT + "=?";
8989
8990        /**
8991         * Convenience function to retrieve the bookmarked Intent for a
8992         * particular shortcut key.
8993         *
8994         * @param cr The ContentResolver to query.
8995         * @param shortcut The shortcut key.
8996         *
8997         * @return Intent The bookmarked URL, or null if there is no bookmark
8998         *         matching the given shortcut.
8999         */
9000        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
9001        {
9002            Intent intent = null;
9003
9004            Cursor c = cr.query(CONTENT_URI,
9005                    sIntentProjection, sShortcutSelection,
9006                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
9007            // Keep trying until we find a valid shortcut
9008            try {
9009                while (intent == null && c.moveToNext()) {
9010                    try {
9011                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
9012                        intent = Intent.parseUri(intentURI, 0);
9013                    } catch (java.net.URISyntaxException e) {
9014                        // The stored URL is bad...  ignore it.
9015                    } catch (IllegalArgumentException e) {
9016                        // Column not found
9017                        Log.w(TAG, "Intent column not found", e);
9018                    }
9019                }
9020            } finally {
9021                if (c != null) c.close();
9022            }
9023
9024            return intent;
9025        }
9026
9027        /**
9028         * Add a new bookmark to the system.
9029         *
9030         * @param cr The ContentResolver to query.
9031         * @param intent The desired target of the bookmark.
9032         * @param title Bookmark title that is shown to the user; null if none
9033         *            or it should be resolved to the intent's title.
9034         * @param folder Folder in which to place the bookmark; null if none.
9035         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
9036         *            this is non-zero and there is an existing bookmark entry
9037         *            with this same shortcut, then that existing shortcut is
9038         *            cleared (the bookmark is not removed).
9039         * @return The unique content URL for the new bookmark entry.
9040         */
9041        public static Uri add(ContentResolver cr,
9042                                           Intent intent,
9043                                           String title,
9044                                           String folder,
9045                                           char shortcut,
9046                                           int ordering)
9047        {
9048            // If a shortcut is supplied, and it is already defined for
9049            // another bookmark, then remove the old definition.
9050            if (shortcut != 0) {
9051                cr.delete(CONTENT_URI, sShortcutSelection,
9052                        new String[] { String.valueOf((int) shortcut) });
9053            }
9054
9055            ContentValues values = new ContentValues();
9056            if (title != null) values.put(TITLE, title);
9057            if (folder != null) values.put(FOLDER, folder);
9058            values.put(INTENT, intent.toUri(0));
9059            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
9060            values.put(ORDERING, ordering);
9061            return cr.insert(CONTENT_URI, values);
9062        }
9063
9064        /**
9065         * Return the folder name as it should be displayed to the user.  This
9066         * takes care of localizing special folders.
9067         *
9068         * @param r Resources object for current locale; only need access to
9069         *          system resources.
9070         * @param folder The value found in the {@link #FOLDER} column.
9071         *
9072         * @return CharSequence The label for this folder that should be shown
9073         *         to the user.
9074         */
9075        public static CharSequence getLabelForFolder(Resources r, String folder) {
9076            return folder;
9077        }
9078
9079        /**
9080         * Return the title as it should be displayed to the user. This takes
9081         * care of localizing bookmarks that point to activities.
9082         *
9083         * @param context A context.
9084         * @param cursor A cursor pointing to the row whose title should be
9085         *        returned. The cursor must contain at least the {@link #TITLE}
9086         *        and {@link #INTENT} columns.
9087         * @return A title that is localized and can be displayed to the user,
9088         *         or the empty string if one could not be found.
9089         */
9090        public static CharSequence getTitle(Context context, Cursor cursor) {
9091            int titleColumn = cursor.getColumnIndex(TITLE);
9092            int intentColumn = cursor.getColumnIndex(INTENT);
9093            if (titleColumn == -1 || intentColumn == -1) {
9094                throw new IllegalArgumentException(
9095                        "The cursor must contain the TITLE and INTENT columns.");
9096            }
9097
9098            String title = cursor.getString(titleColumn);
9099            if (!TextUtils.isEmpty(title)) {
9100                return title;
9101            }
9102
9103            String intentUri = cursor.getString(intentColumn);
9104            if (TextUtils.isEmpty(intentUri)) {
9105                return "";
9106            }
9107
9108            Intent intent;
9109            try {
9110                intent = Intent.parseUri(intentUri, 0);
9111            } catch (URISyntaxException e) {
9112                return "";
9113            }
9114
9115            PackageManager packageManager = context.getPackageManager();
9116            ResolveInfo info = packageManager.resolveActivity(intent, 0);
9117            return info != null ? info.loadLabel(packageManager) : "";
9118        }
9119    }
9120
9121    /**
9122     * Returns the device ID that we should use when connecting to the mobile gtalk server.
9123     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
9124     * from the GoogleLoginService.
9125     *
9126     * @param androidId The Android ID for this device.
9127     * @return The device ID that should be used when connecting to the mobile gtalk server.
9128     * @hide
9129     */
9130    public static String getGTalkDeviceId(long androidId) {
9131        return "android-" + Long.toHexString(androidId);
9132    }
9133
9134    private static final String[] PM_WRITE_SETTINGS = {
9135        android.Manifest.permission.WRITE_SETTINGS
9136    };
9137    private static final String[] PM_CHANGE_NETWORK_STATE = {
9138        android.Manifest.permission.CHANGE_NETWORK_STATE,
9139        android.Manifest.permission.WRITE_SETTINGS
9140    };
9141    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
9142        android.Manifest.permission.SYSTEM_ALERT_WINDOW
9143    };
9144
9145    /**
9146     * Performs a strict and comprehensive check of whether a calling package is allowed to
9147     * write/modify system settings, as the condition differs for pre-M, M+, and
9148     * privileged/preinstalled apps. If the provided uid does not match the
9149     * callingPackage, a negative result will be returned.
9150     * @hide
9151     */
9152    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
9153            String callingPackage, boolean throwException) {
9154        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9155                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9156                PM_WRITE_SETTINGS, false);
9157    }
9158
9159    /**
9160     * Performs a strict and comprehensive check of whether a calling package is allowed to
9161     * write/modify system settings, as the condition differs for pre-M, M+, and
9162     * privileged/preinstalled apps. If the provided uid does not match the
9163     * callingPackage, a negative result will be returned. The caller is expected to have
9164     * the WRITE_SETTINGS permission declared.
9165     *
9166     * Note: if the check is successful, the operation of this app will be updated to the
9167     * current time.
9168     * @hide
9169     */
9170    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
9171            String callingPackage, boolean throwException) {
9172        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9173                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9174                PM_WRITE_SETTINGS, true);
9175    }
9176
9177    /**
9178     * Performs a strict and comprehensive check of whether a calling package is allowed to
9179     * change the state of network, as the condition differs for pre-M, M+, and
9180     * privileged/preinstalled apps. The caller is expected to have either the
9181     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
9182     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
9183     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
9184     * permission and cannot be revoked. See http://b/23597341
9185     *
9186     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
9187     * of this app will be updated to the current time.
9188     * @hide
9189     */
9190    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
9191            String callingPackage, boolean throwException) {
9192        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
9193                == PackageManager.PERMISSION_GRANTED) {
9194            return true;
9195        }
9196        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9197                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9198                PM_CHANGE_NETWORK_STATE, true);
9199    }
9200
9201    /**
9202     * Performs a strict and comprehensive check of whether a calling package is allowed to
9203     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9204     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9205     * a negative result will be returned.
9206     * @hide
9207     */
9208    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
9209            String callingPackage, boolean throwException) {
9210        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9211                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9212                PM_SYSTEM_ALERT_WINDOW, false);
9213    }
9214
9215    /**
9216     * Performs a strict and comprehensive check of whether a calling package is allowed to
9217     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9218     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9219     * a negative result will be returned.
9220     *
9221     * Note: if the check is successful, the operation of this app will be updated to the
9222     * current time.
9223     * @hide
9224     */
9225    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
9226            callingPackage, boolean throwException) {
9227        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9228                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9229                PM_SYSTEM_ALERT_WINDOW, true);
9230    }
9231
9232    /**
9233     * Helper method to perform a general and comprehensive check of whether an operation that is
9234     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
9235     * OP_WRITE_SETTINGS
9236     * @hide
9237     */
9238    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
9239            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
9240            permissions, boolean makeNote) {
9241        if (callingPackage == null) {
9242            return false;
9243        }
9244
9245        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
9246        int mode = AppOpsManager.MODE_DEFAULT;
9247        if (makeNote) {
9248            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
9249        } else {
9250            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
9251        }
9252
9253        switch (mode) {
9254            case AppOpsManager.MODE_ALLOWED:
9255                return true;
9256
9257            case AppOpsManager.MODE_DEFAULT:
9258                // this is the default operating mode after an app's installation
9259                // In this case we will check all associated static permission to see
9260                // if it is granted during install time.
9261                for (String permission : permissions) {
9262                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
9263                            .PERMISSION_GRANTED) {
9264                        // if either of the permissions are granted, we will allow it
9265                        return true;
9266                    }
9267                }
9268
9269            default:
9270                // this is for all other cases trickled down here...
9271                if (!throwException) {
9272                    return false;
9273                }
9274        }
9275
9276        // prepare string to throw SecurityException
9277        StringBuilder exceptionMessage = new StringBuilder();
9278        exceptionMessage.append(callingPackage);
9279        exceptionMessage.append(" was not granted ");
9280        if (permissions.length > 1) {
9281            exceptionMessage.append(" either of these permissions: ");
9282        } else {
9283            exceptionMessage.append(" this permission: ");
9284        }
9285        for (int i = 0; i < permissions.length; i++) {
9286            exceptionMessage.append(permissions[i]);
9287            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
9288        }
9289
9290        throw new SecurityException(exceptionMessage.toString());
9291    }
9292
9293    /**
9294     * Retrieves a correponding package name for a given uid. It will query all
9295     * packages that are associated with the given uid, but it will return only
9296     * the zeroth result.
9297     * Note: If package could not be found, a null is returned.
9298     * @hide
9299     */
9300    public static String getPackageNameForUid(Context context, int uid) {
9301        String[] packages = context.getPackageManager().getPackagesForUid(uid);
9302        if (packages == null) {
9303            return null;
9304        }
9305        return packages[0];
9306    }
9307}
9308