Settings.java revision c5be12e7ac43cbe8c68219fa702c6fb7f06183c3
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    // End of Intent actions for Settings
1271
1272    /**
1273     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1274     */
1275    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1276
1277    /**
1278     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1279     */
1280    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1281
1282    /**
1283     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1284     */
1285    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1286
1287    /**
1288     * @hide - Specifies that the caller of the fast-path call()-based flow tracks
1289     * the settings generation in order to cache values locally. If this key is
1290     * mapped to a <code>null</code> string extra in the request bundle, the response
1291     * bundle will contain the same key mapped to a parcelable extra which would be
1292     * an {@link android.util.MemoryIntArray}. The response will also contain an
1293     * integer mapped to the {@link #CALL_METHOD_GENERATION_INDEX_KEY} which is the
1294     * index in the array clients should use to lookup the generation. For efficiency
1295     * the caller should request the generation tracking memory array only if it
1296     * doesn't already have it.
1297     *
1298     * @see #CALL_METHOD_GENERATION_INDEX_KEY
1299     */
1300    public static final String CALL_METHOD_TRACK_GENERATION_KEY = "_track_generation";
1301
1302    /**
1303     * @hide Key with the location in the {@link android.util.MemoryIntArray} where
1304     * to look up the generation id of the backing table.
1305     *
1306     * @see #CALL_METHOD_TRACK_GENERATION_KEY
1307     */
1308    public static final String CALL_METHOD_GENERATION_INDEX_KEY = "_generation_index";
1309
1310    /**
1311     * @hide - User handle argument extra to the fast-path call()-based requests
1312     */
1313    public static final String CALL_METHOD_USER_KEY = "_user";
1314
1315    /** @hide - Private call() method to write to 'system' table */
1316    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1317
1318    /** @hide - Private call() method to write to 'secure' table */
1319    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1320
1321    /** @hide - Private call() method to write to 'global' table */
1322    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1323
1324    /**
1325     * Activity Extra: Limit available options in launched activity based on the given authority.
1326     * <p>
1327     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1328     * provider's authorities as a String[]. This field is used by some intents to alter the
1329     * behavior of the called activity.
1330     * <p>
1331     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1332     * on the authority given.
1333     */
1334    public static final String EXTRA_AUTHORITIES = "authorities";
1335
1336    /**
1337     * Activity Extra: Limit available options in launched activity based on the given account
1338     * types.
1339     * <p>
1340     * This can be passed as an extra field in an Activity Intent with one or more account types
1341     * as a String[]. This field is used by some intents to alter the behavior of the called
1342     * activity.
1343     * <p>
1344     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1345     * list.
1346     */
1347    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1348
1349    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1350
1351    /**
1352     * Activity Extra: The device identifier to act upon.
1353     * <p>
1354     * This can be passed as an extra field in an Activity Intent with a single
1355     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1356     * settings for the given device.
1357     * <p>
1358     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1359     * dialog for the given device.
1360     * @hide
1361     */
1362    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1363
1364    /**
1365     * Activity Extra: Enable or disable Airplane Mode.
1366     * <p>
1367     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1368     * intent as a boolean to indicate if it should be enabled.
1369     */
1370    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1371
1372    /**
1373     * Activity Extra: Enable or disable Battery saver mode.
1374     * <p>
1375     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1376     * intent as a boolean to indicate if it should be enabled.
1377     */
1378    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1379            "android.settings.extra.battery_saver_mode_enabled";
1380
1381    /**
1382     * Activity Extra: Enable or disable Do Not Disturb mode.
1383     * <p>
1384     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1385     * intent as a boolean to indicate if it should be enabled.
1386     */
1387    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1388            "android.settings.extra.do_not_disturb_mode_enabled";
1389
1390    /**
1391     * Activity Extra: How many minutes to enable do not disturb mode for.
1392     * <p>
1393     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1394     * intent to indicate how long do not disturb mode should be enabled for.
1395     */
1396    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1397            "android.settings.extra.do_not_disturb_mode_minutes";
1398
1399    /**
1400     * Activity Extra: Number of certificates
1401     * <p>
1402     * This can be passed as an extra field to the {@link #ACTION_MONITORING_CERT_INFO}
1403     * intent to indicate the number of certificates
1404     * @hide
1405     */
1406    public static final String EXTRA_NUMBER_OF_CERTIFICATES =
1407            "android.settings.extra.number_of_certificates";
1408
1409    private static final String JID_RESOURCE_PREFIX = "android";
1410
1411    public static final String AUTHORITY = "settings";
1412
1413    private static final String TAG = "Settings";
1414    private static final boolean LOCAL_LOGV = false;
1415
1416    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1417    // with a partial enable/disable state in multi-threaded situations.
1418    private static final Object mLocationSettingsLock = new Object();
1419
1420    public static class SettingNotFoundException extends AndroidException {
1421        public SettingNotFoundException(String msg) {
1422            super(msg);
1423        }
1424    }
1425
1426    /**
1427     * Common base for tables of name/value settings.
1428     */
1429    public static class NameValueTable implements BaseColumns {
1430        public static final String NAME = "name";
1431        public static final String VALUE = "value";
1432
1433        protected static boolean putString(ContentResolver resolver, Uri uri,
1434                String name, String value) {
1435            // The database will take care of replacing duplicates.
1436            try {
1437                ContentValues values = new ContentValues();
1438                values.put(NAME, name);
1439                values.put(VALUE, value);
1440                resolver.insert(uri, values);
1441                return true;
1442            } catch (SQLException e) {
1443                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1444                return false;
1445            }
1446        }
1447
1448        public static Uri getUriFor(Uri uri, String name) {
1449            return Uri.withAppendedPath(uri, name);
1450        }
1451    }
1452
1453    private static final class GenerationTracker {
1454        private final MemoryIntArray mArray;
1455        private final int mIndex;
1456        private int mCurrentGeneration;
1457
1458        public GenerationTracker(@NonNull MemoryIntArray array, int index) {
1459            mArray = array;
1460            mIndex = index;
1461            mCurrentGeneration = readCurrentGeneration();
1462        }
1463
1464        public boolean isGenerationChanged() {
1465            final int currentGeneration = readCurrentGeneration();
1466            if (currentGeneration >= 0) {
1467                if (currentGeneration == mCurrentGeneration) {
1468                    return false;
1469                }
1470                mCurrentGeneration = currentGeneration;
1471            }
1472            return true;
1473        }
1474
1475        private int readCurrentGeneration() {
1476            try {
1477                return mArray.get(mIndex);
1478            } catch (IOException e) {
1479                Log.e(TAG, "Error getting current generation", e);
1480            }
1481            return -1;
1482        }
1483    }
1484
1485    // Thread-safe.
1486    private static class NameValueCache {
1487        private static final boolean DEBUG = false;
1488
1489        private final Uri mUri;
1490
1491        private static final String[] SELECT_VALUE =
1492            new String[] { Settings.NameValueTable.VALUE };
1493        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1494
1495        // Must synchronize on 'this' to access mValues and mValuesVersion.
1496        private final HashMap<String, String> mValues = new HashMap<String, String>();
1497
1498        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1499        private IContentProvider mContentProvider = null;
1500
1501        // The method we'll call (or null, to not use) on the provider
1502        // for the fast path of retrieving settings.
1503        private final String mCallGetCommand;
1504        private final String mCallSetCommand;
1505
1506        @GuardedBy("this")
1507        private GenerationTracker mGenerationTracker;
1508
1509        public NameValueCache(Uri uri, String getCommand, String setCommand) {
1510            mUri = uri;
1511            mCallGetCommand = getCommand;
1512            mCallSetCommand = setCommand;
1513        }
1514
1515        private IContentProvider lazyGetProvider(ContentResolver cr) {
1516            IContentProvider cp = null;
1517            synchronized (this) {
1518                cp = mContentProvider;
1519                if (cp == null) {
1520                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1521                }
1522            }
1523            return cp;
1524        }
1525
1526        public boolean putStringForUser(ContentResolver cr, String name, String value,
1527                final int userHandle) {
1528            try {
1529                Bundle arg = new Bundle();
1530                arg.putString(Settings.NameValueTable.VALUE, value);
1531                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1532                IContentProvider cp = lazyGetProvider(cr);
1533                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1534            } catch (RemoteException e) {
1535                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1536                return false;
1537            }
1538            return true;
1539        }
1540
1541        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1542            final boolean isSelf = (userHandle == UserHandle.myUserId());
1543            if (isSelf) {
1544                synchronized (this) {
1545                    if (mGenerationTracker != null) {
1546                        if (mGenerationTracker.isGenerationChanged()) {
1547                            if (DEBUG) {
1548                                Log.i(TAG, "Generation changed for type:"
1549                                        + mUri.getPath() + " in package:"
1550                                        + cr.getPackageName() +" and user:" + userHandle);
1551                            }
1552                            mValues.clear();
1553                        } else if (mValues.containsKey(name)) {
1554                            return mValues.get(name);
1555                        }
1556                    }
1557                }
1558            } else {
1559                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1560                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1561            }
1562
1563            IContentProvider cp = lazyGetProvider(cr);
1564
1565            // Try the fast path first, not using query().  If this
1566            // fails (alternate Settings provider that doesn't support
1567            // this interface?) then we fall back to the query/table
1568            // interface.
1569            if (mCallGetCommand != null) {
1570                try {
1571                    Bundle args = null;
1572                    if (!isSelf) {
1573                        args = new Bundle();
1574                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1575                    }
1576                    boolean needsGenerationTracker = false;
1577                    synchronized (this) {
1578                        if (isSelf && mGenerationTracker == null) {
1579                            needsGenerationTracker = true;
1580                            if (args == null) {
1581                                args = new Bundle();
1582                            }
1583                            args.putString(CALL_METHOD_TRACK_GENERATION_KEY, null);
1584                            if (DEBUG) {
1585                                Log.i(TAG, "Requested generation tracker for type: "+ mUri.getPath()
1586                                        + " in package:" + cr.getPackageName() +" and user:"
1587                                        + userHandle);
1588                            }
1589                        }
1590                    }
1591                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1592                    if (b != null) {
1593                        String value = b.getString(Settings.NameValueTable.VALUE);
1594                        // Don't update our cache for reads of other users' data
1595                        if (isSelf) {
1596                            synchronized (this) {
1597                                if (needsGenerationTracker) {
1598                                    MemoryIntArray array = b.getParcelable(
1599                                            CALL_METHOD_TRACK_GENERATION_KEY);
1600                                    final int index = b.getInt(
1601                                            CALL_METHOD_GENERATION_INDEX_KEY, -1);
1602                                    if (array != null && index >= 0) {
1603                                        if (DEBUG) {
1604                                            Log.i(TAG, "Received generation tracker for type:"
1605                                                    + mUri.getPath() + " in package:"
1606                                                    + cr.getPackageName() + " and user:"
1607                                                    + userHandle + " with index:" + index);
1608                                        }
1609                                        mGenerationTracker = new GenerationTracker(array, index);
1610                                    }
1611                                }
1612                                mValues.put(name, value);
1613                            }
1614                        } else {
1615                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1616                                    + " by " + UserHandle.myUserId()
1617                                    + " so not updating cache");
1618                        }
1619                        return value;
1620                    }
1621                    // If the response Bundle is null, we fall through
1622                    // to the query interface below.
1623                } catch (RemoteException e) {
1624                    // Not supported by the remote side?  Fall through
1625                    // to query().
1626                }
1627            }
1628
1629            Cursor c = null;
1630            try {
1631                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1632                             new String[]{name}, null, null);
1633                if (c == null) {
1634                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1635                    return null;
1636                }
1637
1638                String value = c.moveToNext() ? c.getString(0) : null;
1639                synchronized (this) {
1640                    mValues.put(name, value);
1641                }
1642                if (LOCAL_LOGV) {
1643                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1644                            name + " = " + (value == null ? "(null)" : value));
1645                }
1646                return value;
1647            } catch (RemoteException e) {
1648                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1649                return null;  // Return null, but don't cache it.
1650            } finally {
1651                if (c != null) c.close();
1652            }
1653        }
1654    }
1655
1656    /**
1657     * Checks if the specified context can draw on top of other apps. As of API
1658     * level 23, an app cannot draw on top of other apps unless it declares the
1659     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its
1660     * manifest, <em>and</em> the user specifically grants the app this
1661     * capability. To prompt the user to grant this approval, the app must send an
1662     * intent with the action
1663     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}, which
1664     * causes the system to display a permission management screen.
1665     *
1666     * @param context App context.
1667     * @return true if the specified context can draw on top of other apps, false otherwise
1668     */
1669    public static boolean canDrawOverlays(Context context) {
1670        return Settings.isCallingPackageAllowedToDrawOverlays(context, Process.myUid(),
1671                context.getOpPackageName(), false);
1672    }
1673
1674    /**
1675     * System settings, containing miscellaneous system preferences.  This
1676     * table holds simple name/value pairs.  There are convenience
1677     * functions for accessing individual settings entries.
1678     */
1679    public static final class System extends NameValueTable {
1680        private static final float DEFAULT_FONT_SCALE = 1.0f;
1681
1682        /** @hide */
1683        public static interface Validator {
1684            public boolean validate(String value);
1685        }
1686
1687        /**
1688         * The content:// style URL for this table
1689         */
1690        public static final Uri CONTENT_URI =
1691            Uri.parse("content://" + AUTHORITY + "/system");
1692
1693        private static final NameValueCache sNameValueCache = new NameValueCache(
1694                CONTENT_URI,
1695                CALL_METHOD_GET_SYSTEM,
1696                CALL_METHOD_PUT_SYSTEM);
1697
1698        private static final HashSet<String> MOVED_TO_SECURE;
1699        static {
1700            MOVED_TO_SECURE = new HashSet<String>(30);
1701            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1702            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1703            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1704            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1705            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1706            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1707            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1708            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1709            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1710            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1711            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1712            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1713            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1714            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1715            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1716            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1717            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1718            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1719            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1720            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1721            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1722            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1723            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1724            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1725            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1726            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1727            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1728            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1729
1730            // At one time in System, then Global, but now back in Secure
1731            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1732        }
1733
1734        private static final HashSet<String> MOVED_TO_GLOBAL;
1735        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1736        static {
1737            MOVED_TO_GLOBAL = new HashSet<String>();
1738            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1739
1740            // these were originally in system but migrated to secure in the past,
1741            // so are duplicated in the Secure.* namespace
1742            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1743            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1744            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1745            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1746            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1747            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1748
1749            // these are moving directly from system to global
1750            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1751            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1752            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1753            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1754            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1755            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1756            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1757            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1758            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1759            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1760            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1761            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1762            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1763            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1764            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1765            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1766            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1767            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1768            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1769            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1770            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1771            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1772            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1773            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1774            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1775            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1776            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1777            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1778            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1779            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1780            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1781            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1782            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1783            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1784            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1785            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1786        }
1787
1788        private static final Validator sBooleanValidator =
1789                new DiscreteValueValidator(new String[] {"0", "1"});
1790
1791        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1792            @Override
1793            public boolean validate(String value) {
1794                try {
1795                    return Integer.parseInt(value) >= 0;
1796                } catch (NumberFormatException e) {
1797                    return false;
1798                }
1799            }
1800        };
1801
1802        private static final Validator sUriValidator = new Validator() {
1803            @Override
1804            public boolean validate(String value) {
1805                try {
1806                    Uri.decode(value);
1807                    return true;
1808                } catch (IllegalArgumentException e) {
1809                    return false;
1810                }
1811            }
1812        };
1813
1814        private static final Validator sLenientIpAddressValidator = new Validator() {
1815            private static final int MAX_IPV6_LENGTH = 45;
1816
1817            @Override
1818            public boolean validate(String value) {
1819                return value.length() <= MAX_IPV6_LENGTH;
1820            }
1821        };
1822
1823        /** @hide */
1824        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1825            outKeySet.addAll(MOVED_TO_GLOBAL);
1826            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1827        }
1828
1829        /** @hide */
1830        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1831            outKeySet.addAll(MOVED_TO_SECURE);
1832        }
1833
1834        /** @hide */
1835        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1836            outKeySet.addAll(MOVED_TO_GLOBAL);
1837        }
1838
1839        /**
1840         * Look up a name in the database.
1841         * @param resolver to access the database with
1842         * @param name to look up in the table
1843         * @return the corresponding value, or null if not present
1844         */
1845        public static String getString(ContentResolver resolver, String name) {
1846            return getStringForUser(resolver, name, UserHandle.myUserId());
1847        }
1848
1849        /** @hide */
1850        public static String getStringForUser(ContentResolver resolver, String name,
1851                int userHandle) {
1852            if (MOVED_TO_SECURE.contains(name)) {
1853                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1854                        + " to android.provider.Settings.Secure, returning read-only value.");
1855                return Secure.getStringForUser(resolver, name, userHandle);
1856            }
1857            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1858                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1859                        + " to android.provider.Settings.Global, returning read-only value.");
1860                return Global.getStringForUser(resolver, name, userHandle);
1861            }
1862            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1863        }
1864
1865        /**
1866         * Store a name/value pair into the database.
1867         * @param resolver to access the database with
1868         * @param name to store
1869         * @param value to associate with the name
1870         * @return true if the value was set, false on database errors
1871         */
1872        public static boolean putString(ContentResolver resolver, String name, String value) {
1873            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1874        }
1875
1876        /** @hide */
1877        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1878                int userHandle) {
1879            if (MOVED_TO_SECURE.contains(name)) {
1880                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1881                        + " to android.provider.Settings.Secure, value is unchanged.");
1882                return false;
1883            }
1884            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1885                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1886                        + " to android.provider.Settings.Global, value is unchanged.");
1887                return false;
1888            }
1889            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1890        }
1891
1892        /**
1893         * Construct the content URI for a particular name/value pair,
1894         * useful for monitoring changes with a ContentObserver.
1895         * @param name to look up in the table
1896         * @return the corresponding content URI, or null if not present
1897         */
1898        public static Uri getUriFor(String name) {
1899            if (MOVED_TO_SECURE.contains(name)) {
1900                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1901                    + " to android.provider.Settings.Secure, returning Secure URI.");
1902                return Secure.getUriFor(Secure.CONTENT_URI, name);
1903            }
1904            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1905                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1906                        + " to android.provider.Settings.Global, returning read-only global URI.");
1907                return Global.getUriFor(Global.CONTENT_URI, name);
1908            }
1909            return getUriFor(CONTENT_URI, name);
1910        }
1911
1912        /**
1913         * Convenience function for retrieving a single system settings value
1914         * as an integer.  Note that internally setting values are always
1915         * stored as strings; this function converts the string to an integer
1916         * for you.  The default value will be returned if the setting is
1917         * not defined or not an integer.
1918         *
1919         * @param cr The ContentResolver to access.
1920         * @param name The name of the setting to retrieve.
1921         * @param def Value to return if the setting is not defined.
1922         *
1923         * @return The setting's current value, or 'def' if it is not defined
1924         * or not a valid integer.
1925         */
1926        public static int getInt(ContentResolver cr, String name, int def) {
1927            return getIntForUser(cr, name, def, UserHandle.myUserId());
1928        }
1929
1930        /** @hide */
1931        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1932            String v = getStringForUser(cr, name, userHandle);
1933            try {
1934                return v != null ? Integer.parseInt(v) : def;
1935            } catch (NumberFormatException e) {
1936                return def;
1937            }
1938        }
1939
1940        /**
1941         * Convenience function for retrieving a single system settings value
1942         * as an integer.  Note that internally setting values are always
1943         * stored as strings; this function converts the string to an integer
1944         * for you.
1945         * <p>
1946         * This version does not take a default value.  If the setting has not
1947         * been set, or the string value is not a number,
1948         * it throws {@link SettingNotFoundException}.
1949         *
1950         * @param cr The ContentResolver to access.
1951         * @param name The name of the setting to retrieve.
1952         *
1953         * @throws SettingNotFoundException Thrown if a setting by the given
1954         * name can't be found or the setting value is not an integer.
1955         *
1956         * @return The setting's current value.
1957         */
1958        public static int getInt(ContentResolver cr, String name)
1959                throws SettingNotFoundException {
1960            return getIntForUser(cr, name, UserHandle.myUserId());
1961        }
1962
1963        /** @hide */
1964        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1965                throws SettingNotFoundException {
1966            String v = getStringForUser(cr, name, userHandle);
1967            try {
1968                return Integer.parseInt(v);
1969            } catch (NumberFormatException e) {
1970                throw new SettingNotFoundException(name);
1971            }
1972        }
1973
1974        /**
1975         * Convenience function for updating a single settings value as an
1976         * integer. This will either create a new entry in the table if the
1977         * given name does not exist, or modify the value of the existing row
1978         * with that name.  Note that internally setting values are always
1979         * stored as strings, so this function converts the given value to a
1980         * string before storing it.
1981         *
1982         * @param cr The ContentResolver to access.
1983         * @param name The name of the setting to modify.
1984         * @param value The new value for the setting.
1985         * @return true if the value was set, false on database errors
1986         */
1987        public static boolean putInt(ContentResolver cr, String name, int value) {
1988            return putIntForUser(cr, name, value, UserHandle.myUserId());
1989        }
1990
1991        /** @hide */
1992        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1993                int userHandle) {
1994            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1995        }
1996
1997        /**
1998         * Convenience function for retrieving a single system settings value
1999         * as a {@code long}.  Note that internally setting values are always
2000         * stored as strings; this function converts the string to a {@code long}
2001         * for you.  The default value will be returned if the setting is
2002         * not defined or not a {@code long}.
2003         *
2004         * @param cr The ContentResolver to access.
2005         * @param name The name of the setting to retrieve.
2006         * @param def Value to return if the setting is not defined.
2007         *
2008         * @return The setting's current value, or 'def' if it is not defined
2009         * or not a valid {@code long}.
2010         */
2011        public static long getLong(ContentResolver cr, String name, long def) {
2012            return getLongForUser(cr, name, def, UserHandle.myUserId());
2013        }
2014
2015        /** @hide */
2016        public static long getLongForUser(ContentResolver cr, String name, long def,
2017                int userHandle) {
2018            String valString = getStringForUser(cr, name, userHandle);
2019            long value;
2020            try {
2021                value = valString != null ? Long.parseLong(valString) : def;
2022            } catch (NumberFormatException e) {
2023                value = def;
2024            }
2025            return value;
2026        }
2027
2028        /**
2029         * Convenience function for retrieving a single system settings value
2030         * as a {@code long}.  Note that internally setting values are always
2031         * stored as strings; this function converts the string to a {@code long}
2032         * for you.
2033         * <p>
2034         * This version does not take a default value.  If the setting has not
2035         * been set, or the string value is not a number,
2036         * it throws {@link SettingNotFoundException}.
2037         *
2038         * @param cr The ContentResolver to access.
2039         * @param name The name of the setting to retrieve.
2040         *
2041         * @return The setting's current value.
2042         * @throws SettingNotFoundException Thrown if a setting by the given
2043         * name can't be found or the setting value is not an integer.
2044         */
2045        public static long getLong(ContentResolver cr, String name)
2046                throws SettingNotFoundException {
2047            return getLongForUser(cr, name, UserHandle.myUserId());
2048        }
2049
2050        /** @hide */
2051        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
2052                throws SettingNotFoundException {
2053            String valString = getStringForUser(cr, name, userHandle);
2054            try {
2055                return Long.parseLong(valString);
2056            } catch (NumberFormatException e) {
2057                throw new SettingNotFoundException(name);
2058            }
2059        }
2060
2061        /**
2062         * Convenience function for updating a single settings value as a long
2063         * integer. This will either create a new entry in the table if the
2064         * given name does not exist, or modify the value of the existing row
2065         * with that name.  Note that internally setting values are always
2066         * stored as strings, so this function converts the given value to a
2067         * string before storing it.
2068         *
2069         * @param cr The ContentResolver to access.
2070         * @param name The name of the setting to modify.
2071         * @param value The new value for the setting.
2072         * @return true if the value was set, false on database errors
2073         */
2074        public static boolean putLong(ContentResolver cr, String name, long value) {
2075            return putLongForUser(cr, name, value, UserHandle.myUserId());
2076        }
2077
2078        /** @hide */
2079        public static boolean putLongForUser(ContentResolver cr, String name, long value,
2080                int userHandle) {
2081            return putStringForUser(cr, name, Long.toString(value), userHandle);
2082        }
2083
2084        /**
2085         * Convenience function for retrieving a single system settings value
2086         * as a floating point number.  Note that internally setting values are
2087         * always stored as strings; this function converts the string to an
2088         * float for you. The default value will be returned if the setting
2089         * is not defined or not a valid float.
2090         *
2091         * @param cr The ContentResolver to access.
2092         * @param name The name of the setting to retrieve.
2093         * @param def Value to return if the setting is not defined.
2094         *
2095         * @return The setting's current value, or 'def' if it is not defined
2096         * or not a valid float.
2097         */
2098        public static float getFloat(ContentResolver cr, String name, float def) {
2099            return getFloatForUser(cr, name, def, UserHandle.myUserId());
2100        }
2101
2102        /** @hide */
2103        public static float getFloatForUser(ContentResolver cr, String name, float def,
2104                int userHandle) {
2105            String v = getStringForUser(cr, name, userHandle);
2106            try {
2107                return v != null ? Float.parseFloat(v) : def;
2108            } catch (NumberFormatException e) {
2109                return def;
2110            }
2111        }
2112
2113        /**
2114         * Convenience function for retrieving a single system settings value
2115         * as a float.  Note that internally setting values are always
2116         * stored as strings; this function converts the string to a float
2117         * for you.
2118         * <p>
2119         * This version does not take a default value.  If the setting has not
2120         * been set, or the string value is not a number,
2121         * it throws {@link SettingNotFoundException}.
2122         *
2123         * @param cr The ContentResolver to access.
2124         * @param name The name of the setting to retrieve.
2125         *
2126         * @throws SettingNotFoundException Thrown if a setting by the given
2127         * name can't be found or the setting value is not a float.
2128         *
2129         * @return The setting's current value.
2130         */
2131        public static float getFloat(ContentResolver cr, String name)
2132                throws SettingNotFoundException {
2133            return getFloatForUser(cr, name, UserHandle.myUserId());
2134        }
2135
2136        /** @hide */
2137        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
2138                throws SettingNotFoundException {
2139            String v = getStringForUser(cr, name, userHandle);
2140            if (v == null) {
2141                throw new SettingNotFoundException(name);
2142            }
2143            try {
2144                return Float.parseFloat(v);
2145            } catch (NumberFormatException e) {
2146                throw new SettingNotFoundException(name);
2147            }
2148        }
2149
2150        /**
2151         * Convenience function for updating a single settings value as a
2152         * floating point number. This will either create a new entry in the
2153         * table if the given name does not exist, or modify the value of the
2154         * existing row with that name.  Note that internally setting values
2155         * are always stored as strings, so this function converts the given
2156         * value to a string before storing it.
2157         *
2158         * @param cr The ContentResolver to access.
2159         * @param name The name of the setting to modify.
2160         * @param value The new value for the setting.
2161         * @return true if the value was set, false on database errors
2162         */
2163        public static boolean putFloat(ContentResolver cr, String name, float value) {
2164            return putFloatForUser(cr, name, value, UserHandle.myUserId());
2165        }
2166
2167        /** @hide */
2168        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
2169                int userHandle) {
2170            return putStringForUser(cr, name, Float.toString(value), userHandle);
2171        }
2172
2173        /**
2174         * Convenience function to read all of the current
2175         * configuration-related settings into a
2176         * {@link Configuration} object.
2177         *
2178         * @param cr The ContentResolver to access.
2179         * @param outConfig Where to place the configuration settings.
2180         */
2181        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
2182            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
2183        }
2184
2185        /** @hide */
2186        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
2187                int userHandle) {
2188            outConfig.fontScale = Settings.System.getFloatForUser(
2189                    cr, FONT_SCALE, DEFAULT_FONT_SCALE, userHandle);
2190            if (outConfig.fontScale < 0) {
2191                outConfig.fontScale = DEFAULT_FONT_SCALE;
2192            }
2193            outConfig.setLocales(LocaleList.forLanguageTags(
2194                    Settings.System.getStringForUser(cr, SYSTEM_LOCALES, userHandle)));
2195        }
2196
2197        /**
2198         * @hide Erase the fields in the Configuration that should be applied
2199         * by the settings.
2200         */
2201        public static void clearConfiguration(Configuration inoutConfig) {
2202            inoutConfig.fontScale = 0;
2203            if (!inoutConfig.userSetLocale && !inoutConfig.getLocales().isEmpty()) {
2204                inoutConfig.setLocales(LocaleList.getEmptyLocaleList());
2205            }
2206        }
2207
2208        /**
2209         * Convenience function to write a batch of configuration-related
2210         * settings from a {@link Configuration} object.
2211         *
2212         * @param cr The ContentResolver to access.
2213         * @param config The settings to write.
2214         * @return true if the values were set, false on database errors
2215         */
2216        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2217            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2218        }
2219
2220        /** @hide */
2221        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2222                int userHandle) {
2223            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle) &&
2224                    Settings.System.putStringForUser(
2225                            cr, SYSTEM_LOCALES, config.getLocales().toLanguageTags(), userHandle);
2226        }
2227
2228        /** @hide */
2229        public static boolean hasInterestingConfigurationChanges(int changes) {
2230            return (changes & ActivityInfo.CONFIG_FONT_SCALE) != 0 ||
2231                    (changes & ActivityInfo.CONFIG_LOCALE) != 0;
2232        }
2233
2234        /** @deprecated - Do not use */
2235        @Deprecated
2236        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2237            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2238        }
2239
2240        /**
2241         * @hide
2242         * @deprecated - Do not use
2243         */
2244        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2245                int userHandle) {
2246            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2247        }
2248
2249        /** @deprecated - Do not use */
2250        @Deprecated
2251        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2252            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2253        }
2254
2255        /**
2256         * @hide
2257         * @deprecated - Do not use
2258         */
2259        @Deprecated
2260        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2261                int userHandle) {
2262            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2263        }
2264
2265        private static final class DiscreteValueValidator implements Validator {
2266            private final String[] mValues;
2267
2268            public DiscreteValueValidator(String[] values) {
2269                mValues = values;
2270            }
2271
2272            @Override
2273            public boolean validate(String value) {
2274                return ArrayUtils.contains(mValues, value);
2275            }
2276        }
2277
2278        private static final class InclusiveIntegerRangeValidator implements Validator {
2279            private final int mMin;
2280            private final int mMax;
2281
2282            public InclusiveIntegerRangeValidator(int min, int max) {
2283                mMin = min;
2284                mMax = max;
2285            }
2286
2287            @Override
2288            public boolean validate(String value) {
2289                try {
2290                    final int intValue = Integer.parseInt(value);
2291                    return intValue >= mMin && intValue <= mMax;
2292                } catch (NumberFormatException e) {
2293                    return false;
2294                }
2295            }
2296        }
2297
2298        private static final class InclusiveFloatRangeValidator implements Validator {
2299            private final float mMin;
2300            private final float mMax;
2301
2302            public InclusiveFloatRangeValidator(float min, float max) {
2303                mMin = min;
2304                mMax = max;
2305            }
2306
2307            @Override
2308            public boolean validate(String value) {
2309                try {
2310                    final float floatValue = Float.parseFloat(value);
2311                    return floatValue >= mMin && floatValue <= mMax;
2312                } catch (NumberFormatException e) {
2313                    return false;
2314                }
2315            }
2316        }
2317
2318        /**
2319         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2320         */
2321        @Deprecated
2322        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2323
2324        /**
2325         * What happens when the user presses the end call button if they're not
2326         * on a call.<br/>
2327         * <b>Values:</b><br/>
2328         * 0 - The end button does nothing.<br/>
2329         * 1 - The end button goes to the home screen.<br/>
2330         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2331         * 3 - The end button goes to the home screen.  If the user is already on the
2332         * home screen, it puts the device to sleep.
2333         */
2334        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2335
2336        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2337                new InclusiveIntegerRangeValidator(0, 3);
2338
2339        /**
2340         * END_BUTTON_BEHAVIOR value for "go home".
2341         * @hide
2342         */
2343        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2344
2345        /**
2346         * END_BUTTON_BEHAVIOR value for "go to sleep".
2347         * @hide
2348         */
2349        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2350
2351        /**
2352         * END_BUTTON_BEHAVIOR default value.
2353         * @hide
2354         */
2355        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2356
2357        /**
2358         * Is advanced settings mode turned on. 0 == no, 1 == yes
2359         * @hide
2360         */
2361        public static final String ADVANCED_SETTINGS = "advanced_settings";
2362
2363        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2364
2365        /**
2366         * ADVANCED_SETTINGS default value.
2367         * @hide
2368         */
2369        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2370
2371        /**
2372         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2373         */
2374        @Deprecated
2375        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2376
2377        /**
2378         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2379         */
2380        @Deprecated
2381        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2382
2383        /**
2384         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2385         */
2386        @Deprecated
2387        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2388
2389        /**
2390         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2391         * {@hide}
2392         */
2393        @Deprecated
2394        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2395
2396        /**
2397         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2398         */
2399        @Deprecated
2400        public static final String RADIO_CELL = Global.RADIO_CELL;
2401
2402        /**
2403         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2404         */
2405        @Deprecated
2406        public static final String RADIO_NFC = Global.RADIO_NFC;
2407
2408        /**
2409         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2410         */
2411        @Deprecated
2412        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2413
2414        /**
2415         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2416         *
2417         * {@hide}
2418         */
2419        @Deprecated
2420        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2421                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2422
2423        /**
2424         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2425         */
2426        @Deprecated
2427        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2428
2429        /**
2430         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2431         */
2432        @Deprecated
2433        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2434
2435        /**
2436         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2437         */
2438        @Deprecated
2439        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2440                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2441
2442        /**
2443         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2444         */
2445        @Deprecated
2446        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2447
2448        /**
2449         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2450         */
2451        @Deprecated
2452        public static final String MODE_RINGER = Global.MODE_RINGER;
2453
2454        /**
2455         * Whether to use static IP and other static network attributes.
2456         * <p>
2457         * Set to 1 for true and 0 for false.
2458         *
2459         * @deprecated Use {@link WifiManager} instead
2460         */
2461        @Deprecated
2462        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2463
2464        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2465
2466        /**
2467         * The static IP address.
2468         * <p>
2469         * Example: "192.168.1.51"
2470         *
2471         * @deprecated Use {@link WifiManager} instead
2472         */
2473        @Deprecated
2474        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2475
2476        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2477
2478        /**
2479         * If using static IP, the gateway's IP address.
2480         * <p>
2481         * Example: "192.168.1.1"
2482         *
2483         * @deprecated Use {@link WifiManager} instead
2484         */
2485        @Deprecated
2486        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2487
2488        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2489
2490        /**
2491         * If using static IP, the net mask.
2492         * <p>
2493         * Example: "255.255.255.0"
2494         *
2495         * @deprecated Use {@link WifiManager} instead
2496         */
2497        @Deprecated
2498        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2499
2500        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2501
2502        /**
2503         * If using static IP, the primary DNS's IP address.
2504         * <p>
2505         * Example: "192.168.1.1"
2506         *
2507         * @deprecated Use {@link WifiManager} instead
2508         */
2509        @Deprecated
2510        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2511
2512        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2513
2514        /**
2515         * If using static IP, the secondary DNS's IP address.
2516         * <p>
2517         * Example: "192.168.1.2"
2518         *
2519         * @deprecated Use {@link WifiManager} instead
2520         */
2521        @Deprecated
2522        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2523
2524        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2525
2526        /**
2527         * Determines whether remote devices may discover and/or connect to
2528         * this device.
2529         * <P>Type: INT</P>
2530         * 2 -- discoverable and connectable
2531         * 1 -- connectable but not discoverable
2532         * 0 -- neither connectable nor discoverable
2533         */
2534        public static final String BLUETOOTH_DISCOVERABILITY =
2535            "bluetooth_discoverability";
2536
2537        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2538                new InclusiveIntegerRangeValidator(0, 2);
2539
2540        /**
2541         * Bluetooth discoverability timeout.  If this value is nonzero, then
2542         * Bluetooth becomes discoverable for a certain number of seconds,
2543         * after which is becomes simply connectable.  The value is in seconds.
2544         */
2545        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2546            "bluetooth_discoverability_timeout";
2547
2548        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2549                sNonNegativeIntegerValidator;
2550
2551        /**
2552         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2553         * instead
2554         */
2555        @Deprecated
2556        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2557
2558        /**
2559         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2560         * instead
2561         */
2562        @Deprecated
2563        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2564
2565        /**
2566         * @deprecated Use
2567         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2568         * instead
2569         */
2570        @Deprecated
2571        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2572            "lock_pattern_tactile_feedback_enabled";
2573
2574        /**
2575         * A formatted string of the next alarm that is set, or the empty string
2576         * if there is no alarm set.
2577         *
2578         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2579         */
2580        @Deprecated
2581        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2582
2583        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2584            private static final int MAX_LENGTH = 1000;
2585
2586            @Override
2587            public boolean validate(String value) {
2588                // TODO: No idea what the correct format is.
2589                return value == null || value.length() < MAX_LENGTH;
2590            }
2591        };
2592
2593        /**
2594         * Scaling factor for fonts, float.
2595         */
2596        public static final String FONT_SCALE = "font_scale";
2597
2598        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2599            @Override
2600            public boolean validate(String value) {
2601                try {
2602                    return Float.parseFloat(value) >= 0;
2603                } catch (NumberFormatException e) {
2604                    return false;
2605                }
2606            }
2607        };
2608
2609        /**
2610         * The serialized system locale value.
2611         *
2612         * Do not use this value directory.
2613         * To get system locale, use {@link android.util.LocaleList#getDefault} instead.
2614         * To update system locale, use {@link com.android.internal.app.LocalePicker#updateLocales}
2615         * instead.
2616         * @hide
2617         */
2618        public static final String SYSTEM_LOCALES = "system_locales";
2619
2620
2621        /**
2622         * Name of an application package to be debugged.
2623         *
2624         * @deprecated Use {@link Global#DEBUG_APP} instead
2625         */
2626        @Deprecated
2627        public static final String DEBUG_APP = Global.DEBUG_APP;
2628
2629        /**
2630         * If 1, when launching DEBUG_APP it will wait for the debugger before
2631         * starting user code.  If 0, it will run normally.
2632         *
2633         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2634         */
2635        @Deprecated
2636        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2637
2638        /**
2639         * Whether or not to dim the screen. 0=no  1=yes
2640         * @deprecated This setting is no longer used.
2641         */
2642        @Deprecated
2643        public static final String DIM_SCREEN = "dim_screen";
2644
2645        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2646
2647        /**
2648         * The amount of time in milliseconds before the device goes to sleep or begins
2649         * to dream after a period of inactivity.  This value is also known as the
2650         * user activity timeout period since the screen isn't necessarily turned off
2651         * when it expires.
2652         */
2653        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2654
2655        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2656
2657        /**
2658         * The screen backlight brightness between 0 and 255.
2659         */
2660        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2661
2662        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2663                new InclusiveIntegerRangeValidator(0, 255);
2664
2665        /**
2666         * Control whether to enable automatic brightness mode.
2667         */
2668        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2669
2670        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2671
2672        /**
2673         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2674         * or less (<0.0 >-1.0) bright.
2675         * @hide
2676         */
2677        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2678
2679        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2680                new InclusiveFloatRangeValidator(-1, 1);
2681
2682        /**
2683         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2684         */
2685        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2686
2687        /**
2688         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2689         */
2690        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2691
2692        /**
2693         * Control whether the process CPU usage meter should be shown.
2694         *
2695         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2696         */
2697        @Deprecated
2698        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2699
2700        /**
2701         * If 1, the activity manager will aggressively finish activities and
2702         * processes as soon as they are no longer needed.  If 0, the normal
2703         * extended lifetime is used.
2704         *
2705         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2706         */
2707        @Deprecated
2708        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2709
2710        /**
2711         * Determines which streams are affected by ringer mode changes. The
2712         * stream type's bit should be set to 1 if it should be muted when going
2713         * into an inaudible ringer mode.
2714         */
2715        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2716
2717        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2718                sNonNegativeIntegerValidator;
2719
2720        /**
2721          * Determines which streams are affected by mute. The
2722          * stream type's bit should be set to 1 if it should be muted when a mute request
2723          * is received.
2724          */
2725        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2726
2727        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2728                sNonNegativeIntegerValidator;
2729
2730        /**
2731         * Whether vibrate is on for different events. This is used internally,
2732         * changing this value will not change the vibrate. See AudioManager.
2733         */
2734        public static final String VIBRATE_ON = "vibrate_on";
2735
2736        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2737
2738        /**
2739         * If 1, redirects the system vibrator to all currently attached input devices
2740         * that support vibration.  If there are no such input devices, then the system
2741         * vibrator is used instead.
2742         * If 0, does not register the system vibrator.
2743         *
2744         * This setting is mainly intended to provide a compatibility mechanism for
2745         * applications that only know about the system vibrator and do not use the
2746         * input device vibrator API.
2747         *
2748         * @hide
2749         */
2750        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2751
2752        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2753
2754        /**
2755         * Ringer volume. This is used internally, changing this value will not
2756         * change the volume. See AudioManager.
2757         *
2758         * @removed Not used by anything since API 2.
2759         */
2760        public static final String VOLUME_RING = "volume_ring";
2761
2762        /**
2763         * System/notifications volume. This is used internally, changing this
2764         * value will not change the volume. See AudioManager.
2765         *
2766         * @removed Not used by anything since API 2.
2767         */
2768        public static final String VOLUME_SYSTEM = "volume_system";
2769
2770        /**
2771         * Voice call volume. This is used internally, changing this value will
2772         * not change the volume. See AudioManager.
2773         *
2774         * @removed Not used by anything since API 2.
2775         */
2776        public static final String VOLUME_VOICE = "volume_voice";
2777
2778        /**
2779         * Music/media/gaming volume. This is used internally, changing this
2780         * value will not change the volume. See AudioManager.
2781         *
2782         * @removed Not used by anything since API 2.
2783         */
2784        public static final String VOLUME_MUSIC = "volume_music";
2785
2786        /**
2787         * Alarm volume. This is used internally, changing this
2788         * value will not change the volume. See AudioManager.
2789         *
2790         * @removed Not used by anything since API 2.
2791         */
2792        public static final String VOLUME_ALARM = "volume_alarm";
2793
2794        /**
2795         * Notification volume. This is used internally, changing this
2796         * value will not change the volume. See AudioManager.
2797         *
2798         * @removed Not used by anything since API 2.
2799         */
2800        public static final String VOLUME_NOTIFICATION = "volume_notification";
2801
2802        /**
2803         * Bluetooth Headset volume. This is used internally, changing this value will
2804         * not change the volume. See AudioManager.
2805         *
2806         * @removed Not used by anything since API 2.
2807         */
2808        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2809
2810        /**
2811         * Master volume (float in the range 0.0f to 1.0f).
2812         *
2813         * @hide
2814         */
2815        public static final String VOLUME_MASTER = "volume_master";
2816
2817        /**
2818         * Master mono (int 1 = mono, 0 = normal).
2819         *
2820         * @hide
2821         */
2822        public static final String MASTER_MONO = "master_mono";
2823
2824        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2825
2826        /**
2827         * Whether the notifications should use the ring volume (value of 1) or
2828         * a separate notification volume (value of 0). In most cases, users
2829         * will have this enabled so the notification and ringer volumes will be
2830         * the same. However, power users can disable this and use the separate
2831         * notification volume control.
2832         * <p>
2833         * Note: This is a one-off setting that will be removed in the future
2834         * when there is profile support. For this reason, it is kept hidden
2835         * from the public APIs.
2836         *
2837         * @hide
2838         * @deprecated
2839         */
2840        @Deprecated
2841        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2842            "notifications_use_ring_volume";
2843
2844        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2845
2846        /**
2847         * Whether silent mode should allow vibration feedback. This is used
2848         * internally in AudioService and the Sound settings activity to
2849         * coordinate decoupling of vibrate and silent modes. This setting
2850         * will likely be removed in a future release with support for
2851         * audio/vibe feedback profiles.
2852         *
2853         * Not used anymore. On devices with vibrator, the user explicitly selects
2854         * silent or vibrate mode.
2855         * Kept for use by legacy database upgrade code in DatabaseHelper.
2856         * @hide
2857         */
2858        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2859
2860        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2861
2862        /**
2863         * The mapping of stream type (integer) to its setting.
2864         *
2865         * @removed  Not used by anything since API 2.
2866         */
2867        public static final String[] VOLUME_SETTINGS = {
2868            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2869            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2870        };
2871
2872        /**
2873         * Appended to various volume related settings to record the previous
2874         * values before they the settings were affected by a silent/vibrate
2875         * ringer mode change.
2876         *
2877         * @removed  Not used by anything since API 2.
2878         */
2879        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2880
2881        /**
2882         * Persistent store for the system-wide default ringtone URI.
2883         * <p>
2884         * If you need to play the default ringtone at any given time, it is recommended
2885         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2886         * to the set default ringtone at the time of playing.
2887         *
2888         * @see #DEFAULT_RINGTONE_URI
2889         */
2890        public static final String RINGTONE = "ringtone";
2891
2892        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2893
2894        /**
2895         * A {@link Uri} that will point to the current default ringtone at any
2896         * given time.
2897         * <p>
2898         * If the current default ringtone is in the DRM provider and the caller
2899         * does not have permission, the exception will be a
2900         * FileNotFoundException.
2901         */
2902        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2903
2904        /** {@hide} */
2905        public static final String RINGTONE_CACHE = "ringtone_cache";
2906        /** {@hide} */
2907        public static final Uri RINGTONE_CACHE_URI = getUriFor(RINGTONE_CACHE);
2908
2909        /**
2910         * Persistent store for the system-wide default notification sound.
2911         *
2912         * @see #RINGTONE
2913         * @see #DEFAULT_NOTIFICATION_URI
2914         */
2915        public static final String NOTIFICATION_SOUND = "notification_sound";
2916
2917        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2918
2919        /**
2920         * A {@link Uri} that will point to the current default notification
2921         * sound at any given time.
2922         *
2923         * @see #DEFAULT_RINGTONE_URI
2924         */
2925        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2926
2927        /** {@hide} */
2928        public static final String NOTIFICATION_SOUND_CACHE = "notification_sound_cache";
2929        /** {@hide} */
2930        public static final Uri NOTIFICATION_SOUND_CACHE_URI = getUriFor(NOTIFICATION_SOUND_CACHE);
2931
2932        /**
2933         * Persistent store for the system-wide default alarm alert.
2934         *
2935         * @see #RINGTONE
2936         * @see #DEFAULT_ALARM_ALERT_URI
2937         */
2938        public static final String ALARM_ALERT = "alarm_alert";
2939
2940        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2941
2942        /**
2943         * A {@link Uri} that will point to the current default alarm alert at
2944         * any given time.
2945         *
2946         * @see #DEFAULT_ALARM_ALERT_URI
2947         */
2948        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2949
2950        /** {@hide} */
2951        public static final String ALARM_ALERT_CACHE = "alarm_alert_cache";
2952        /** {@hide} */
2953        public static final Uri ALARM_ALERT_CACHE_URI = getUriFor(ALARM_ALERT_CACHE);
2954
2955        /**
2956         * Persistent store for the system default media button event receiver.
2957         *
2958         * @hide
2959         */
2960        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2961
2962        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2963            @Override
2964            public boolean validate(String value) {
2965                try {
2966                    ComponentName.unflattenFromString(value);
2967                    return true;
2968                } catch (NullPointerException e) {
2969                    return false;
2970                }
2971            }
2972        };
2973
2974        /**
2975         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2976         */
2977        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2978
2979        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2980
2981        /**
2982         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2983         */
2984        public static final String TEXT_AUTO_CAPS = "auto_caps";
2985
2986        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2987
2988        /**
2989         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2990         * feature converts two spaces to a "." and space.
2991         */
2992        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2993
2994        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2995
2996        /**
2997         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2998         */
2999        public static final String TEXT_SHOW_PASSWORD = "show_password";
3000
3001        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
3002
3003        public static final String SHOW_GTALK_SERVICE_STATUS =
3004                "SHOW_GTALK_SERVICE_STATUS";
3005
3006        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
3007
3008        /**
3009         * Name of activity to use for wallpaper on the home screen.
3010         *
3011         * @deprecated Use {@link WallpaperManager} instead.
3012         */
3013        @Deprecated
3014        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
3015
3016        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
3017            private static final int MAX_LENGTH = 1000;
3018
3019            @Override
3020            public boolean validate(String value) {
3021                if (value != null && value.length() > MAX_LENGTH) {
3022                    return false;
3023                }
3024                return ComponentName.unflattenFromString(value) != null;
3025            }
3026        };
3027
3028        /**
3029         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
3030         * instead
3031         */
3032        @Deprecated
3033        public static final String AUTO_TIME = Global.AUTO_TIME;
3034
3035        /**
3036         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
3037         * instead
3038         */
3039        @Deprecated
3040        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
3041
3042        /**
3043         * Display times as 12 or 24 hours
3044         *   12
3045         *   24
3046         */
3047        public static final String TIME_12_24 = "time_12_24";
3048
3049        /** @hide */
3050        public static final Validator TIME_12_24_VALIDATOR =
3051                new DiscreteValueValidator(new String[] {"12", "24"});
3052
3053        /**
3054         * Date format string
3055         *   mm/dd/yyyy
3056         *   dd/mm/yyyy
3057         *   yyyy/mm/dd
3058         */
3059        public static final String DATE_FORMAT = "date_format";
3060
3061        /** @hide */
3062        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
3063            @Override
3064            public boolean validate(String value) {
3065                try {
3066                    new SimpleDateFormat(value);
3067                    return true;
3068                } catch (IllegalArgumentException e) {
3069                    return false;
3070                }
3071            }
3072        };
3073
3074        /**
3075         * Whether the setup wizard has been run before (on first boot), or if
3076         * it still needs to be run.
3077         *
3078         * nonzero = it has been run in the past
3079         * 0 = it has not been run in the past
3080         */
3081        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
3082
3083        /** @hide */
3084        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
3085
3086        /**
3087         * Scaling factor for normal window animations. Setting to 0 will disable window
3088         * animations.
3089         *
3090         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
3091         */
3092        @Deprecated
3093        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
3094
3095        /**
3096         * Scaling factor for activity transition animations. Setting to 0 will disable window
3097         * animations.
3098         *
3099         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
3100         */
3101        @Deprecated
3102        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
3103
3104        /**
3105         * Scaling factor for Animator-based animations. This affects both the start delay and
3106         * duration of all such animations. Setting to 0 will cause animations to end immediately.
3107         * The default value is 1.
3108         *
3109         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
3110         */
3111        @Deprecated
3112        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
3113
3114        /**
3115         * Control whether the accelerometer will be used to change screen
3116         * orientation.  If 0, it will not be used unless explicitly requested
3117         * by the application; if 1, it will be used by default unless explicitly
3118         * disabled by the application.
3119         */
3120        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
3121
3122        /** @hide */
3123        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
3124
3125        /**
3126         * Default screen rotation when no other policy applies.
3127         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
3128         * preference, this rotation value will be used. Must be one of the
3129         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
3130         *
3131         * @see android.view.Display#getRotation
3132         */
3133        public static final String USER_ROTATION = "user_rotation";
3134
3135        /** @hide */
3136        public static final Validator USER_ROTATION_VALIDATOR =
3137                new InclusiveIntegerRangeValidator(0, 3);
3138
3139        /**
3140         * Control whether the rotation lock toggle in the System UI should be hidden.
3141         * Typically this is done for accessibility purposes to make it harder for
3142         * the user to accidentally toggle the rotation lock while the display rotation
3143         * has been locked for accessibility.
3144         *
3145         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
3146         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
3147         *
3148         * @hide
3149         */
3150        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
3151                "hide_rotation_lock_toggle_for_accessibility";
3152
3153        /** @hide */
3154        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
3155                sBooleanValidator;
3156
3157        /**
3158         * Whether the phone vibrates when it is ringing due to an incoming call. This will
3159         * be used by Phone and Setting apps; it shouldn't affect other apps.
3160         * The value is boolean (1 or 0).
3161         *
3162         * Note: this is not same as "vibrate on ring", which had been available until ICS.
3163         * It was about AudioManager's setting and thus affected all the applications which
3164         * relied on the setting, while this is purely about the vibration setting for incoming
3165         * calls.
3166         */
3167        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
3168
3169        /** @hide */
3170        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
3171
3172        /**
3173         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
3174         * boolean (1 or 0).
3175         */
3176        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
3177
3178        /** @hide */
3179        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3180
3181        /**
3182         * CDMA only settings
3183         * DTMF tone type played by the dialer when dialing.
3184         *                 0 = Normal
3185         *                 1 = Long
3186         */
3187        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3188
3189        /** @hide */
3190        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3191
3192        /**
3193         * Whether the hearing aid is enabled. The value is
3194         * boolean (1 or 0).
3195         * @hide
3196         */
3197        public static final String HEARING_AID = "hearing_aid";
3198
3199        /** @hide */
3200        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3201
3202        /**
3203         * CDMA only settings
3204         * TTY Mode
3205         * 0 = OFF
3206         * 1 = FULL
3207         * 2 = VCO
3208         * 3 = HCO
3209         * @hide
3210         */
3211        public static final String TTY_MODE = "tty_mode";
3212
3213        /** @hide */
3214        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3215
3216        /**
3217         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3218         * boolean (1 or 0).
3219         */
3220        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3221
3222        /** @hide */
3223        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3224
3225        /**
3226         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3227         * boolean (1 or 0).
3228         */
3229        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3230
3231        /** @hide */
3232        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3233
3234        /**
3235         * @deprecated Each application that shows web suggestions should have its own
3236         * setting for this.
3237         */
3238        @Deprecated
3239        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3240
3241        /** @hide */
3242        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3243
3244        /**
3245         * Whether the notification LED should repeatedly flash when a notification is
3246         * pending. The value is boolean (1 or 0).
3247         * @hide
3248         */
3249        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3250
3251        /** @hide */
3252        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3253
3254        /**
3255         * Show pointer location on screen?
3256         * 0 = no
3257         * 1 = yes
3258         * @hide
3259         */
3260        public static final String POINTER_LOCATION = "pointer_location";
3261
3262        /** @hide */
3263        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3264
3265        /**
3266         * Show touch positions on screen?
3267         * 0 = no
3268         * 1 = yes
3269         * @hide
3270         */
3271        public static final String SHOW_TOUCHES = "show_touches";
3272
3273        /** @hide */
3274        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3275
3276        /**
3277         * Log raw orientation data from
3278         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3279         * orientationplot.py tool.
3280         * 0 = no
3281         * 1 = yes
3282         * @hide
3283         */
3284        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3285                "window_orientation_listener_log";
3286
3287        /** @hide */
3288        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3289
3290        /**
3291         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3292         * instead
3293         * @hide
3294         */
3295        @Deprecated
3296        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3297
3298        /**
3299         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3300         * instead
3301         * @hide
3302         */
3303        @Deprecated
3304        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3305
3306        /**
3307         * Whether to play sounds when the keyguard is shown and dismissed.
3308         * @hide
3309         */
3310        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3311
3312        /** @hide */
3313        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3314
3315        /**
3316         * Whether the lockscreen should be completely disabled.
3317         * @hide
3318         */
3319        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3320
3321        /** @hide */
3322        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3323
3324        /**
3325         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3326         * instead
3327         * @hide
3328         */
3329        @Deprecated
3330        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3331
3332        /**
3333         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3334         * instead
3335         * @hide
3336         */
3337        @Deprecated
3338        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3339
3340        /**
3341         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3342         * instead
3343         * @hide
3344         */
3345        @Deprecated
3346        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3347
3348        /**
3349         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3350         * instead
3351         * @hide
3352         */
3353        @Deprecated
3354        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3355
3356        /**
3357         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3358         * instead
3359         * @hide
3360         */
3361        @Deprecated
3362        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3363
3364        /**
3365         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3366         * instead
3367         * @hide
3368         */
3369        @Deprecated
3370        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3371
3372        /**
3373         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3374         * instead
3375         * @hide
3376         */
3377        @Deprecated
3378        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3379
3380        /**
3381         * Receive incoming SIP calls?
3382         * 0 = no
3383         * 1 = yes
3384         * @hide
3385         */
3386        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3387
3388        /** @hide */
3389        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3390
3391        /**
3392         * Call Preference String.
3393         * "SIP_ALWAYS" : Always use SIP with network access
3394         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3395         * @hide
3396         */
3397        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3398
3399        /** @hide */
3400        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3401                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3402
3403        /**
3404         * One of the sip call options: Always use SIP with network access.
3405         * @hide
3406         */
3407        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3408
3409        /** @hide */
3410        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3411
3412        /**
3413         * One of the sip call options: Only if destination is a SIP address.
3414         * @hide
3415         */
3416        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3417
3418        /** @hide */
3419        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3420
3421        /**
3422         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3423         * the user should be prompted each time a call is made whether it should be placed using
3424         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3425         * SIP_ADDRESS_ONLY.
3426         * @hide
3427         */
3428        @Deprecated
3429        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3430
3431        /** @hide */
3432        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3433
3434        /**
3435         * Pointer speed setting.
3436         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3437         *   -7 = slowest
3438         *    0 = default speed
3439         *   +7 = fastest
3440         * @hide
3441         */
3442        public static final String POINTER_SPEED = "pointer_speed";
3443
3444        /** @hide */
3445        public static final Validator POINTER_SPEED_VALIDATOR =
3446                new InclusiveFloatRangeValidator(-7, 7);
3447
3448        /**
3449         * Whether lock-to-app will be triggered by long-press on recents.
3450         * @hide
3451         */
3452        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3453
3454        /** @hide */
3455        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3456
3457        /**
3458         * I am the lolrus.
3459         * <p>
3460         * Nonzero values indicate that the user has a bukkit.
3461         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3462         * @hide
3463         */
3464        public static final String EGG_MODE = "egg_mode";
3465
3466        /** @hide */
3467        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3468            @Override
3469            public boolean validate(String value) {
3470                try {
3471                    return Long.parseLong(value) >= 0;
3472                } catch (NumberFormatException e) {
3473                    return false;
3474                }
3475            }
3476        };
3477
3478        /**
3479         * IMPORTANT: If you add a new public settings you also have to add it to
3480         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3481         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3482         * the setting value. See an example above.
3483         */
3484
3485        /**
3486         * Settings to backup. This is here so that it's in the same place as the settings
3487         * keys and easy to update.
3488         *
3489         * NOTE: Settings are backed up and restored in the order they appear
3490         *       in this array. If you have one setting depending on another,
3491         *       make sure that they are ordered appropriately.
3492         *
3493         * @hide
3494         */
3495        public static final String[] SETTINGS_TO_BACKUP = {
3496            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3497            WIFI_USE_STATIC_IP,
3498            WIFI_STATIC_IP,
3499            WIFI_STATIC_GATEWAY,
3500            WIFI_STATIC_NETMASK,
3501            WIFI_STATIC_DNS1,
3502            WIFI_STATIC_DNS2,
3503            BLUETOOTH_DISCOVERABILITY,
3504            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3505            FONT_SCALE,
3506            DIM_SCREEN,
3507            SCREEN_OFF_TIMEOUT,
3508            SCREEN_BRIGHTNESS,
3509            SCREEN_BRIGHTNESS_MODE,
3510            SCREEN_AUTO_BRIGHTNESS_ADJ,
3511            VIBRATE_INPUT_DEVICES,
3512            MODE_RINGER_STREAMS_AFFECTED,
3513            TEXT_AUTO_REPLACE,
3514            TEXT_AUTO_CAPS,
3515            TEXT_AUTO_PUNCTUATE,
3516            TEXT_SHOW_PASSWORD,
3517            AUTO_TIME,                  // moved to global
3518            AUTO_TIME_ZONE,             // moved to global
3519            TIME_12_24,
3520            DATE_FORMAT,
3521            DTMF_TONE_WHEN_DIALING,
3522            DTMF_TONE_TYPE_WHEN_DIALING,
3523            HEARING_AID,
3524            TTY_MODE,
3525            SOUND_EFFECTS_ENABLED,
3526            HAPTIC_FEEDBACK_ENABLED,
3527            POWER_SOUNDS_ENABLED,       // moved to global
3528            DOCK_SOUNDS_ENABLED,        // moved to global
3529            LOCKSCREEN_SOUNDS_ENABLED,
3530            SHOW_WEB_SUGGESTIONS,
3531            SIP_CALL_OPTIONS,
3532            SIP_RECEIVE_CALLS,
3533            POINTER_SPEED,
3534            VIBRATE_WHEN_RINGING,
3535            RINGTONE,
3536            LOCK_TO_APP_ENABLED,
3537            NOTIFICATION_SOUND,
3538            ACCELEROMETER_ROTATION
3539        };
3540
3541        /**
3542         * These are all public system settings
3543         *
3544         * @hide
3545         */
3546        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3547        static {
3548            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3549            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3550            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3551            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3552            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3553            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3554            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3555            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3556            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3557            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3558            PUBLIC_SETTINGS.add(FONT_SCALE);
3559            PUBLIC_SETTINGS.add(DIM_SCREEN);
3560            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3561            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3562            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3563            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3564            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3565            PUBLIC_SETTINGS.add(VIBRATE_ON);
3566            PUBLIC_SETTINGS.add(VOLUME_RING);
3567            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3568            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3569            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3570            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3571            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3572            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3573            PUBLIC_SETTINGS.add(RINGTONE);
3574            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3575            PUBLIC_SETTINGS.add(ALARM_ALERT);
3576            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3577            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3578            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3579            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3580            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3581            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3582            PUBLIC_SETTINGS.add(TIME_12_24);
3583            PUBLIC_SETTINGS.add(DATE_FORMAT);
3584            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3585            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3586            PUBLIC_SETTINGS.add(USER_ROTATION);
3587            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3588            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3589            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3590            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3591            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3592        }
3593
3594        /**
3595         * These are all hidden system settings.
3596         *
3597         * @hide
3598         */
3599        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3600        static {
3601            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3602            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3603            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3604            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3605            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3606            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3607            PRIVATE_SETTINGS.add(MASTER_MONO);
3608            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3609            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3610            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3611            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3612            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3613            PRIVATE_SETTINGS.add(HEARING_AID);
3614            PRIVATE_SETTINGS.add(TTY_MODE);
3615            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3616            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3617            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3618            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3619            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3620            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3621            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3622            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3623            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3624            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3625            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3626            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3627            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3628            PRIVATE_SETTINGS.add(LOCK_SOUND);
3629            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3630            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3631            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3632            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3633            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3634            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3635            PRIVATE_SETTINGS.add(POINTER_SPEED);
3636            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3637            PRIVATE_SETTINGS.add(EGG_MODE);
3638        }
3639
3640        /**
3641         * These are all public system settings
3642         *
3643         * @hide
3644         */
3645        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3646        static {
3647            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3648            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3649            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3650            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3651                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3652            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3653            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3654            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3655            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3656            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3657            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3658            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3659            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3660            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3661            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3662            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3663            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3664            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3665            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3666            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3667            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3668            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3669            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3670            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3671            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3672            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3673            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3674            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3675            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3676            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3677            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3678            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3679            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3680            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3681            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3682            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3683            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3684            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3685            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3686            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3687            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3688            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3689                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3690            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3691            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3692            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3693            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3694            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3695            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3696            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3697            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3698                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3699            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3700            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3701            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3702            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3703            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3704            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3705            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3706            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3707            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3708            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3709            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3710            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3711            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3712            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3713            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3714        }
3715
3716        /**
3717         * These entries are considered common between the personal and the managed profile,
3718         * since the managed profile doesn't get to change them.
3719         */
3720        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3721        static {
3722            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3723            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3724            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3725            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3726            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3727        }
3728
3729        /** @hide */
3730        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3731            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3732        }
3733
3734        /**
3735         * When to use Wi-Fi calling
3736         *
3737         * @see android.telephony.TelephonyManager.WifiCallingChoices
3738         * @hide
3739         */
3740        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3741
3742        // Settings moved to Settings.Secure
3743
3744        /**
3745         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3746         * instead
3747         */
3748        @Deprecated
3749        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3750
3751        /**
3752         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3753         */
3754        @Deprecated
3755        public static final String ANDROID_ID = Secure.ANDROID_ID;
3756
3757        /**
3758         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3759         */
3760        @Deprecated
3761        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3762
3763        /**
3764         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3765         */
3766        @Deprecated
3767        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3768
3769        /**
3770         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3771         */
3772        @Deprecated
3773        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3774
3775        /**
3776         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3777         */
3778        @Deprecated
3779        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3780
3781        /**
3782         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3783         */
3784        @Deprecated
3785        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3786
3787        /**
3788         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3789         * instead
3790         */
3791        @Deprecated
3792        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3793
3794        /**
3795         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3796         */
3797        @Deprecated
3798        public static final String LOGGING_ID = Secure.LOGGING_ID;
3799
3800        /**
3801         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3802         */
3803        @Deprecated
3804        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3805
3806        /**
3807         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3808         * instead
3809         */
3810        @Deprecated
3811        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3812
3813        /**
3814         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3815         * instead
3816         */
3817        @Deprecated
3818        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3819
3820        /**
3821         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3822         * instead
3823         */
3824        @Deprecated
3825        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3826            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3827
3828        /**
3829         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3830         */
3831        @Deprecated
3832        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3833
3834        /**
3835         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3836         */
3837        @Deprecated
3838        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3839
3840        /**
3841         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3842         */
3843        @Deprecated
3844        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3845
3846       /**
3847         * @deprecated Use
3848         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3849         */
3850        @Deprecated
3851        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3852
3853        /**
3854         * @deprecated Use
3855         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3856         */
3857        @Deprecated
3858        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3859                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3860
3861        /**
3862         * @deprecated Use
3863         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3864         */
3865        @Deprecated
3866        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3867                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3868
3869        /**
3870         * @deprecated Use
3871         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3872         */
3873        @Deprecated
3874        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3875                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3876
3877        /**
3878         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3879         * instead
3880         */
3881        @Deprecated
3882        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3883
3884        /**
3885         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3886         */
3887        @Deprecated
3888        public static final String WIFI_ON = Global.WIFI_ON;
3889
3890        /**
3891         * @deprecated Use
3892         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3893         * instead
3894         */
3895        @Deprecated
3896        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3897                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3898
3899        /**
3900         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3901         */
3902        @Deprecated
3903        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3904
3905        /**
3906         * @deprecated Use
3907         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3908         */
3909        @Deprecated
3910        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3911                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3912
3913        /**
3914         * @deprecated Use
3915         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3916         */
3917        @Deprecated
3918        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3919                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3920
3921        /**
3922         * @deprecated Use
3923         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3924         * instead
3925         */
3926        @Deprecated
3927        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3928                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3929
3930        /**
3931         * @deprecated Use
3932         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3933         */
3934        @Deprecated
3935        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3936            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3937
3938        /**
3939         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3940         * instead
3941         */
3942        @Deprecated
3943        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3944
3945        /**
3946         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3947         */
3948        @Deprecated
3949        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3950
3951        /**
3952         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3953         */
3954        @Deprecated
3955        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3956
3957        /**
3958         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3959         * instead
3960         */
3961        @Deprecated
3962        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3963
3964        /**
3965         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3966         * instead
3967         */
3968        @Deprecated
3969        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3970            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3971
3972        /**
3973         * Checks if the specified app can modify system settings. As of API
3974         * level 23, an app cannot modify system settings unless it declares the
3975         * {@link android.Manifest.permission#WRITE_SETTINGS}
3976         * permission in its manifest, <em>and</em> the user specifically grants
3977         * the app this capability. To prompt the user to grant this approval,
3978         * the app must send an intent with the action {@link
3979         * android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}, which causes
3980         * the system to display a permission management screen.
3981         *
3982         * @param context App context.
3983         * @return true if the calling app can write to system settings, false otherwise
3984         */
3985        public static boolean canWrite(Context context) {
3986            return isCallingPackageAllowedToWriteSettings(context, Process.myUid(),
3987                    context.getOpPackageName(), false);
3988        }
3989    }
3990
3991    /**
3992     * Secure system settings, containing system preferences that applications
3993     * can read but are not allowed to write.  These are for preferences that
3994     * the user must explicitly modify through the system UI or specialized
3995     * APIs for those values, not modified directly by applications.
3996     */
3997    public static final class Secure extends NameValueTable {
3998        /**
3999         * The content:// style URL for this table
4000         */
4001        public static final Uri CONTENT_URI =
4002            Uri.parse("content://" + AUTHORITY + "/secure");
4003
4004        // Populated lazily, guarded by class object:
4005        private static final NameValueCache sNameValueCache = new NameValueCache(
4006                CONTENT_URI,
4007                CALL_METHOD_GET_SECURE,
4008                CALL_METHOD_PUT_SECURE);
4009
4010        private static ILockSettings sLockSettings = null;
4011
4012        private static boolean sIsSystemProcess;
4013        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
4014        private static final HashSet<String> MOVED_TO_GLOBAL;
4015        static {
4016            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
4017            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
4018            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
4019            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
4020
4021            MOVED_TO_GLOBAL = new HashSet<String>();
4022            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
4023            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
4024            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
4025            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
4026            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
4027            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
4028            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
4029            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
4030            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
4031            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
4032            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
4033            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
4034            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
4035            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
4036            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
4037            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
4038            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
4039            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
4040            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
4041            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
4042            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
4043            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
4044            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
4045            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
4046            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
4047            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
4048            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
4049            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
4050            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
4051            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
4052            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
4053            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
4054            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
4055            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
4056            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
4057            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
4058            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
4059            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
4060            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
4061            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
4062            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
4063            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
4064            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
4065            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
4066            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
4067            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
4068            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
4069            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
4070            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
4071            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
4072            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
4073            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
4074            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
4075            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
4076            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
4077            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
4078            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
4079            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
4080            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4081            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
4082            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
4083            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
4084            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
4085            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
4086            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
4087            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
4088            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED);
4089            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
4090            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
4091            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
4092            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
4093            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4094            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
4095            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
4096            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
4097            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
4098            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
4099            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
4100            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
4101            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
4102            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
4103            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
4104            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
4105            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
4106            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
4107            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
4108            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
4109            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
4110            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
4111            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
4112            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
4113            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
4114            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
4115            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
4116            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
4117            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
4118            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
4119            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
4120            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
4121            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
4122            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
4123            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
4124            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
4125            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
4126            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
4127            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
4128            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
4129            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
4130            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
4131            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
4132            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
4133            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
4134        }
4135
4136        /** @hide */
4137        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
4138            outKeySet.addAll(MOVED_TO_GLOBAL);
4139        }
4140
4141        /**
4142         * Look up a name in the database.
4143         * @param resolver to access the database with
4144         * @param name to look up in the table
4145         * @return the corresponding value, or null if not present
4146         */
4147        public static String getString(ContentResolver resolver, String name) {
4148            return getStringForUser(resolver, name, UserHandle.myUserId());
4149        }
4150
4151        /** @hide */
4152        public static String getStringForUser(ContentResolver resolver, String name,
4153                int userHandle) {
4154            if (MOVED_TO_GLOBAL.contains(name)) {
4155                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4156                        + " to android.provider.Settings.Global.");
4157                return Global.getStringForUser(resolver, name, userHandle);
4158            }
4159
4160            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
4161                synchronized (Secure.class) {
4162                    if (sLockSettings == null) {
4163                        sLockSettings = ILockSettings.Stub.asInterface(
4164                                (IBinder) ServiceManager.getService("lock_settings"));
4165                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
4166                    }
4167                }
4168                if (sLockSettings != null && !sIsSystemProcess) {
4169                    // No context; use the ActivityThread's context as an approximation for
4170                    // determining the target API level.
4171                    Application application = ActivityThread.currentApplication();
4172
4173                    boolean isPreMnc = application != null
4174                            && application.getApplicationInfo() != null
4175                            && application.getApplicationInfo().targetSdkVersion
4176                            <= VERSION_CODES.LOLLIPOP_MR1;
4177                    if (isPreMnc) {
4178                        try {
4179                            return sLockSettings.getString(name, "0", userHandle);
4180                        } catch (RemoteException re) {
4181                            // Fall through
4182                        }
4183                    } else {
4184                        throw new SecurityException("Settings.Secure." + name
4185                                + " is deprecated and no longer accessible."
4186                                + " See API documentation for potential replacements.");
4187                    }
4188                }
4189            }
4190
4191            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4192        }
4193
4194        /**
4195         * Store a name/value pair into the database.
4196         * @param resolver to access the database with
4197         * @param name to store
4198         * @param value to associate with the name
4199         * @return true if the value was set, false on database errors
4200         */
4201        public static boolean putString(ContentResolver resolver, String name, String value) {
4202            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4203        }
4204
4205        /** @hide */
4206        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4207                int userHandle) {
4208            if (LOCATION_MODE.equals(name)) {
4209                // HACK ALERT: temporary hack to work around b/10491283.
4210                // TODO: once b/10491283 fixed, remove this hack
4211                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4212            }
4213            if (MOVED_TO_GLOBAL.contains(name)) {
4214                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4215                        + " to android.provider.Settings.Global");
4216                return Global.putStringForUser(resolver, name, value, userHandle);
4217            }
4218            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4219        }
4220
4221        /**
4222         * Construct the content URI for a particular name/value pair,
4223         * useful for monitoring changes with a ContentObserver.
4224         * @param name to look up in the table
4225         * @return the corresponding content URI, or null if not present
4226         */
4227        public static Uri getUriFor(String name) {
4228            if (MOVED_TO_GLOBAL.contains(name)) {
4229                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4230                        + " to android.provider.Settings.Global, returning global URI.");
4231                return Global.getUriFor(Global.CONTENT_URI, name);
4232            }
4233            return getUriFor(CONTENT_URI, name);
4234        }
4235
4236        /**
4237         * Convenience function for retrieving a single secure settings value
4238         * as an integer.  Note that internally setting values are always
4239         * stored as strings; this function converts the string to an integer
4240         * for you.  The default value will be returned if the setting is
4241         * not defined or not an integer.
4242         *
4243         * @param cr The ContentResolver to access.
4244         * @param name The name of the setting to retrieve.
4245         * @param def Value to return if the setting is not defined.
4246         *
4247         * @return The setting's current value, or 'def' if it is not defined
4248         * or not a valid integer.
4249         */
4250        public static int getInt(ContentResolver cr, String name, int def) {
4251            return getIntForUser(cr, name, def, UserHandle.myUserId());
4252        }
4253
4254        /** @hide */
4255        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4256            if (LOCATION_MODE.equals(name)) {
4257                // HACK ALERT: temporary hack to work around b/10491283.
4258                // TODO: once b/10491283 fixed, remove this hack
4259                return getLocationModeForUser(cr, userHandle);
4260            }
4261            String v = getStringForUser(cr, name, userHandle);
4262            try {
4263                return v != null ? Integer.parseInt(v) : def;
4264            } catch (NumberFormatException e) {
4265                return def;
4266            }
4267        }
4268
4269        /**
4270         * Convenience function for retrieving a single secure settings value
4271         * as an integer.  Note that internally setting values are always
4272         * stored as strings; this function converts the string to an integer
4273         * for you.
4274         * <p>
4275         * This version does not take a default value.  If the setting has not
4276         * been set, or the string value is not a number,
4277         * it throws {@link SettingNotFoundException}.
4278         *
4279         * @param cr The ContentResolver to access.
4280         * @param name The name of the setting to retrieve.
4281         *
4282         * @throws SettingNotFoundException Thrown if a setting by the given
4283         * name can't be found or the setting value is not an integer.
4284         *
4285         * @return The setting's current value.
4286         */
4287        public static int getInt(ContentResolver cr, String name)
4288                throws SettingNotFoundException {
4289            return getIntForUser(cr, name, UserHandle.myUserId());
4290        }
4291
4292        /** @hide */
4293        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4294                throws SettingNotFoundException {
4295            if (LOCATION_MODE.equals(name)) {
4296                // HACK ALERT: temporary hack to work around b/10491283.
4297                // TODO: once b/10491283 fixed, remove this hack
4298                return getLocationModeForUser(cr, userHandle);
4299            }
4300            String v = getStringForUser(cr, name, userHandle);
4301            try {
4302                return Integer.parseInt(v);
4303            } catch (NumberFormatException e) {
4304                throw new SettingNotFoundException(name);
4305            }
4306        }
4307
4308        /**
4309         * Convenience function for updating a single settings value as an
4310         * integer. This will either create a new entry in the table if the
4311         * given name does not exist, or modify the value of the existing row
4312         * with that name.  Note that internally setting values are always
4313         * stored as strings, so this function converts the given value to a
4314         * string before storing it.
4315         *
4316         * @param cr The ContentResolver to access.
4317         * @param name The name of the setting to modify.
4318         * @param value The new value for the setting.
4319         * @return true if the value was set, false on database errors
4320         */
4321        public static boolean putInt(ContentResolver cr, String name, int value) {
4322            return putIntForUser(cr, name, value, UserHandle.myUserId());
4323        }
4324
4325        /** @hide */
4326        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4327                int userHandle) {
4328            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4329        }
4330
4331        /**
4332         * Convenience function for retrieving a single secure settings value
4333         * as a {@code long}.  Note that internally setting values are always
4334         * stored as strings; this function converts the string to a {@code long}
4335         * for you.  The default value will be returned if the setting is
4336         * not defined or not a {@code long}.
4337         *
4338         * @param cr The ContentResolver to access.
4339         * @param name The name of the setting to retrieve.
4340         * @param def Value to return if the setting is not defined.
4341         *
4342         * @return The setting's current value, or 'def' if it is not defined
4343         * or not a valid {@code long}.
4344         */
4345        public static long getLong(ContentResolver cr, String name, long def) {
4346            return getLongForUser(cr, name, def, UserHandle.myUserId());
4347        }
4348
4349        /** @hide */
4350        public static long getLongForUser(ContentResolver cr, String name, long def,
4351                int userHandle) {
4352            String valString = getStringForUser(cr, name, userHandle);
4353            long value;
4354            try {
4355                value = valString != null ? Long.parseLong(valString) : def;
4356            } catch (NumberFormatException e) {
4357                value = def;
4358            }
4359            return value;
4360        }
4361
4362        /**
4363         * Convenience function for retrieving a single secure settings value
4364         * as a {@code long}.  Note that internally setting values are always
4365         * stored as strings; this function converts the string to a {@code long}
4366         * for you.
4367         * <p>
4368         * This version does not take a default value.  If the setting has not
4369         * been set, or the string value is not a number,
4370         * it throws {@link SettingNotFoundException}.
4371         *
4372         * @param cr The ContentResolver to access.
4373         * @param name The name of the setting to retrieve.
4374         *
4375         * @return The setting's current value.
4376         * @throws SettingNotFoundException Thrown if a setting by the given
4377         * name can't be found or the setting value is not an integer.
4378         */
4379        public static long getLong(ContentResolver cr, String name)
4380                throws SettingNotFoundException {
4381            return getLongForUser(cr, name, UserHandle.myUserId());
4382        }
4383
4384        /** @hide */
4385        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4386                throws SettingNotFoundException {
4387            String valString = getStringForUser(cr, name, userHandle);
4388            try {
4389                return Long.parseLong(valString);
4390            } catch (NumberFormatException e) {
4391                throw new SettingNotFoundException(name);
4392            }
4393        }
4394
4395        /**
4396         * Convenience function for updating a secure settings value as a long
4397         * integer. This will either create a new entry in the table if the
4398         * given name does not exist, or modify the value of the existing row
4399         * with that name.  Note that internally setting values are always
4400         * stored as strings, so this function converts the given value to a
4401         * string before storing it.
4402         *
4403         * @param cr The ContentResolver to access.
4404         * @param name The name of the setting to modify.
4405         * @param value The new value for the setting.
4406         * @return true if the value was set, false on database errors
4407         */
4408        public static boolean putLong(ContentResolver cr, String name, long value) {
4409            return putLongForUser(cr, name, value, UserHandle.myUserId());
4410        }
4411
4412        /** @hide */
4413        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4414                int userHandle) {
4415            return putStringForUser(cr, name, Long.toString(value), userHandle);
4416        }
4417
4418        /**
4419         * Convenience function for retrieving a single secure settings value
4420         * as a floating point number.  Note that internally setting values are
4421         * always stored as strings; this function converts the string to an
4422         * float for you. The default value will be returned if the setting
4423         * is not defined or not a valid float.
4424         *
4425         * @param cr The ContentResolver to access.
4426         * @param name The name of the setting to retrieve.
4427         * @param def Value to return if the setting is not defined.
4428         *
4429         * @return The setting's current value, or 'def' if it is not defined
4430         * or not a valid float.
4431         */
4432        public static float getFloat(ContentResolver cr, String name, float def) {
4433            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4434        }
4435
4436        /** @hide */
4437        public static float getFloatForUser(ContentResolver cr, String name, float def,
4438                int userHandle) {
4439            String v = getStringForUser(cr, name, userHandle);
4440            try {
4441                return v != null ? Float.parseFloat(v) : def;
4442            } catch (NumberFormatException e) {
4443                return def;
4444            }
4445        }
4446
4447        /**
4448         * Convenience function for retrieving a single secure settings value
4449         * as a float.  Note that internally setting values are always
4450         * stored as strings; this function converts the string to a float
4451         * for you.
4452         * <p>
4453         * This version does not take a default value.  If the setting has not
4454         * been set, or the string value is not a number,
4455         * it throws {@link SettingNotFoundException}.
4456         *
4457         * @param cr The ContentResolver to access.
4458         * @param name The name of the setting to retrieve.
4459         *
4460         * @throws SettingNotFoundException Thrown if a setting by the given
4461         * name can't be found or the setting value is not a float.
4462         *
4463         * @return The setting's current value.
4464         */
4465        public static float getFloat(ContentResolver cr, String name)
4466                throws SettingNotFoundException {
4467            return getFloatForUser(cr, name, UserHandle.myUserId());
4468        }
4469
4470        /** @hide */
4471        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4472                throws SettingNotFoundException {
4473            String v = getStringForUser(cr, name, userHandle);
4474            if (v == null) {
4475                throw new SettingNotFoundException(name);
4476            }
4477            try {
4478                return Float.parseFloat(v);
4479            } catch (NumberFormatException e) {
4480                throw new SettingNotFoundException(name);
4481            }
4482        }
4483
4484        /**
4485         * Convenience function for updating a single settings value as a
4486         * floating point number. This will either create a new entry in the
4487         * table if the given name does not exist, or modify the value of the
4488         * existing row with that name.  Note that internally setting values
4489         * are always stored as strings, so this function converts the given
4490         * value to a string before storing it.
4491         *
4492         * @param cr The ContentResolver to access.
4493         * @param name The name of the setting to modify.
4494         * @param value The new value for the setting.
4495         * @return true if the value was set, false on database errors
4496         */
4497        public static boolean putFloat(ContentResolver cr, String name, float value) {
4498            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4499        }
4500
4501        /** @hide */
4502        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4503                int userHandle) {
4504            return putStringForUser(cr, name, Float.toString(value), userHandle);
4505        }
4506
4507        /**
4508         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4509         * instead
4510         */
4511        @Deprecated
4512        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4513                Global.DEVELOPMENT_SETTINGS_ENABLED;
4514
4515        /**
4516         * When the user has enable the option to have a "bug report" command
4517         * in the power menu.
4518         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4519         * @hide
4520         */
4521        @Deprecated
4522        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4523
4524        /**
4525         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4526         */
4527        @Deprecated
4528        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4529
4530        /**
4531         * Setting to allow mock locations and location provider status to be injected into the
4532         * LocationManager service for testing purposes during application development.  These
4533         * locations and status values  override actual location and status information generated
4534         * by network, gps, or other location providers.
4535         *
4536         * @deprecated This settings is not used anymore.
4537         */
4538        @Deprecated
4539        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4540
4541        /**
4542         * A 64-bit number (as a hex string) that is randomly
4543         * generated when the user first sets up the device and should remain
4544         * constant for the lifetime of the user's device. The value may
4545         * change if a factory reset is performed on the device.
4546         * <p class="note"><strong>Note:</strong> When a device has <a
4547         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4548         * (available on certain devices running Android 4.2 or higher), each user appears as a
4549         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4550         * user.</p>
4551         */
4552        public static final String ANDROID_ID = "android_id";
4553
4554        /**
4555         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4556         */
4557        @Deprecated
4558        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4559
4560        /**
4561         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4562         */
4563        @Deprecated
4564        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4565
4566        /**
4567         * Setting to record the input method used by default, holding the ID
4568         * of the desired method.
4569         */
4570        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4571
4572        /**
4573         * Setting to record the input method subtype used by default, holding the ID
4574         * of the desired method.
4575         */
4576        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4577                "selected_input_method_subtype";
4578
4579        /**
4580         * Setting to record the history of input method subtype, holding the pair of ID of IME
4581         * and its last used subtype.
4582         * @hide
4583         */
4584        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4585                "input_methods_subtype_history";
4586
4587        /**
4588         * Setting to record the visibility of input method selector
4589         */
4590        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4591                "input_method_selector_visibility";
4592
4593        /**
4594         * The currently selected voice interaction service flattened ComponentName.
4595         * @hide
4596         */
4597        @TestApi
4598        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4599
4600        /**
4601         * bluetooth HCI snoop log configuration
4602         * @hide
4603         */
4604        public static final String BLUETOOTH_HCI_LOG =
4605                "bluetooth_hci_log";
4606
4607        /**
4608         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4609         */
4610        @Deprecated
4611        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4612
4613        /**
4614         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4615         * @hide
4616         */
4617        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4618
4619        /**
4620         * Prefix for category name that marks whether a suggested action from that category was
4621         * completed.
4622         * @hide
4623         */
4624        public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
4625
4626        /**
4627         * List of input methods that are currently enabled.  This is a string
4628         * containing the IDs of all enabled input methods, each ID separated
4629         * by ':'.
4630         */
4631        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4632
4633        /**
4634         * List of system input methods that are currently disabled.  This is a string
4635         * containing the IDs of all disabled input methods, each ID separated
4636         * by ':'.
4637         * @hide
4638         */
4639        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4640
4641        /**
4642         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4643         * determines if the IME should be shown when a hard keyboard is attached.
4644         * @hide
4645         */
4646        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4647
4648        /**
4649         * Host name and port for global http proxy. Uses ':' seperator for
4650         * between host and port.
4651         *
4652         * @deprecated Use {@link Global#HTTP_PROXY}
4653         */
4654        @Deprecated
4655        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4656
4657        /**
4658         * Package designated as always-on VPN provider.
4659         *
4660         * @hide
4661         */
4662        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4663
4664        /**
4665         * Whether applications can be installed for this user via the system's
4666         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4667         *
4668         * <p>1 = permit app installation via the system package installer intent
4669         * <p>0 = do not allow use of the package installer
4670         */
4671        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4672
4673        /**
4674         * Comma-separated list of location providers that activities may access. Do not rely on
4675         * this value being present in settings.db or on ContentObserver notifications on the
4676         * corresponding Uri.
4677         *
4678         * @deprecated use {@link #LOCATION_MODE} and
4679         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4680         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4681         */
4682        @Deprecated
4683        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4684
4685        /**
4686         * The degree of location access enabled by the user.
4687         * <p>
4688         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4689         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4690         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4691         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4692         * modes that might be added in the future.
4693         * <p>
4694         * Note: do not rely on this value being present in settings.db or on ContentObserver
4695         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4696         * to receive changes in this value.
4697         */
4698        public static final String LOCATION_MODE = "location_mode";
4699        /**
4700         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4701         * {@link #LOCATION_MODE_OFF}
4702         * @hide
4703         */
4704        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4705
4706        /**
4707         * Sets all location providers to the previous states before location was turned off.
4708         * @hide
4709         */
4710        public static final int LOCATION_MODE_PREVIOUS = -1;
4711        /**
4712         * Location access disabled.
4713         */
4714        public static final int LOCATION_MODE_OFF = 0;
4715        /**
4716         * Network Location Provider disabled, but GPS and other sensors enabled.
4717         */
4718        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4719        /**
4720         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4721         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4722         * {@link android.location.Criteria#POWER_MEDIUM}.
4723         */
4724        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4725        /**
4726         * Best-effort location computation allowed.
4727         */
4728        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4729
4730        /**
4731         * A flag containing settings used for biometric weak
4732         * @hide
4733         */
4734        @Deprecated
4735        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4736                "lock_biometric_weak_flags";
4737
4738        /**
4739         * Whether lock-to-app will lock the keyguard when exiting.
4740         * @hide
4741         */
4742        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4743
4744        /**
4745         * Whether autolock is enabled (0 = false, 1 = true)
4746         *
4747         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4748         *             level of the keyguard. Accessing this setting from an app that is targeting
4749         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4750         */
4751        @Deprecated
4752        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4753
4754        /**
4755         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4756         *
4757         * @deprecated Accessing this setting from an app that is targeting
4758         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4759         */
4760        @Deprecated
4761        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4762
4763        /**
4764         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4765         * true)
4766         *
4767         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4768         *             lockscreen uses
4769         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4770         *             Accessing this setting from an app that is targeting
4771         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4772         */
4773        @Deprecated
4774        public static final String
4775                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4776
4777        /**
4778         * This preference allows the device to be locked given time after screen goes off,
4779         * subject to current DeviceAdmin policy limits.
4780         * @hide
4781         */
4782        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4783
4784
4785        /**
4786         * This preference contains the string that shows for owner info on LockScreen.
4787         * @hide
4788         * @deprecated
4789         */
4790        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4791
4792        /**
4793         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4794         * @hide
4795         */
4796        @Deprecated
4797        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4798            "lock_screen_appwidget_ids";
4799
4800        /**
4801         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4802         * @hide
4803         */
4804        @Deprecated
4805        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4806            "lock_screen_fallback_appwidget_id";
4807
4808        /**
4809         * Index of the lockscreen appwidget to restore, -1 if none.
4810         * @hide
4811         */
4812        @Deprecated
4813        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4814            "lock_screen_sticky_appwidget";
4815
4816        /**
4817         * This preference enables showing the owner info on LockScreen.
4818         * @hide
4819         * @deprecated
4820         */
4821        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4822            "lock_screen_owner_info_enabled";
4823
4824        /**
4825         * When set by a user, allows notifications to be shown atop a securely locked screen
4826         * in their full "private" form (same as when the device is unlocked).
4827         * @hide
4828         */
4829        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4830                "lock_screen_allow_private_notifications";
4831
4832        /**
4833         * When set by a user, allows notification remote input atop a securely locked screen
4834         * without having to unlock
4835         * @hide
4836         */
4837        public static final String LOCK_SCREEN_ALLOW_REMOTE_INPUT =
4838                "lock_screen_allow_remote_input";
4839
4840        /**
4841         * Set by the system to track if the user needs to see the call to action for
4842         * the lockscreen notification policy.
4843         * @hide
4844         */
4845        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4846                "show_note_about_notification_hiding";
4847
4848        /**
4849         * Set to 1 by the system after trust agents have been initialized.
4850         * @hide
4851         */
4852        public static final String TRUST_AGENTS_INITIALIZED =
4853                "trust_agents_initialized";
4854
4855        /**
4856         * The Logging ID (a unique 64-bit value) as a hex string.
4857         * Used as a pseudonymous identifier for logging.
4858         * @deprecated This identifier is poorly initialized and has
4859         * many collisions.  It should not be used.
4860         */
4861        @Deprecated
4862        public static final String LOGGING_ID = "logging_id";
4863
4864        /**
4865         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4866         */
4867        @Deprecated
4868        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4869
4870        /**
4871         * No longer supported.
4872         */
4873        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4874
4875        /**
4876         * No longer supported.
4877         */
4878        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4879
4880        /**
4881         * No longer supported.
4882         */
4883        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4884
4885        /**
4886         * Settings classname to launch when Settings is clicked from All
4887         * Applications.  Needed because of user testing between the old
4888         * and new Settings apps.
4889         */
4890        // TODO: 881807
4891        public static final String SETTINGS_CLASSNAME = "settings_classname";
4892
4893        /**
4894         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4895         */
4896        @Deprecated
4897        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4898
4899        /**
4900         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4901         */
4902        @Deprecated
4903        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4904
4905        /**
4906         * If accessibility is enabled.
4907         */
4908        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4909
4910        /**
4911         * If touch exploration is enabled.
4912         */
4913        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4914
4915        /**
4916         * List of the enabled accessibility providers.
4917         */
4918        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4919            "enabled_accessibility_services";
4920
4921        /**
4922         * List of the accessibility services to which the user has granted
4923         * permission to put the device into touch exploration mode.
4924         *
4925         * @hide
4926         */
4927        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4928            "touch_exploration_granted_accessibility_services";
4929
4930        /**
4931         * Whether to speak passwords while in accessibility mode.
4932         */
4933        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4934
4935        /**
4936         * Whether to draw text with high contrast while in accessibility mode.
4937         *
4938         * @hide
4939         */
4940        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4941                "high_text_contrast_enabled";
4942
4943        /**
4944         * If injection of accessibility enhancing JavaScript screen-reader
4945         * is enabled.
4946         * <p>
4947         *   Note: The JavaScript based screen-reader is served by the
4948         *   Google infrastructure and enable users with disabilities to
4949         *   efficiently navigate in and explore web content.
4950         * </p>
4951         * <p>
4952         *   This property represents a boolean value.
4953         * </p>
4954         * @hide
4955         */
4956        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4957            "accessibility_script_injection";
4958
4959        /**
4960         * The URL for the injected JavaScript based screen-reader used
4961         * for providing accessibility of content in WebView.
4962         * <p>
4963         *   Note: The JavaScript based screen-reader is served by the
4964         *   Google infrastructure and enable users with disabilities to
4965         *   efficiently navigate in and explore web content.
4966         * </p>
4967         * <p>
4968         *   This property represents a string value.
4969         * </p>
4970         * @hide
4971         */
4972        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4973            "accessibility_script_injection_url";
4974
4975        /**
4976         * Key bindings for navigation in built-in accessibility support for web content.
4977         * <p>
4978         *   Note: These key bindings are for the built-in accessibility navigation for
4979         *   web content which is used as a fall back solution if JavaScript in a WebView
4980         *   is not enabled or the user has not opted-in script injection from Google.
4981         * </p>
4982         * <p>
4983         *   The bindings are separated by semi-colon. A binding is a mapping from
4984         *   a key to a sequence of actions (for more details look at
4985         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4986         *   string representation of an integer obtained from a meta state (optional) shifted
4987         *   sixteen times left and bitwise ored with a key code. An action is represented
4988         *   as a hexademical string representation of an integer where the first two digits
4989         *   are navigation action index, the second, the third, and the fourth digit pairs
4990         *   represent the action arguments. The separate actions in a binding are colon
4991         *   separated. The key and the action sequence it maps to are separated by equals.
4992         * </p>
4993         * <p>
4994         *   For example, the binding below maps the DPAD right button to traverse the
4995         *   current navigation axis once without firing an accessibility event and to
4996         *   perform the same traversal again but to fire an event:
4997         *   <code>
4998         *     0x16=0x01000100:0x01000101;
4999         *   </code>
5000         * </p>
5001         * <p>
5002         *   The goal of this binding is to enable dynamic rebinding of keys to
5003         *   navigation actions for web content without requiring a framework change.
5004         * </p>
5005         * <p>
5006         *   This property represents a string value.
5007         * </p>
5008         * @hide
5009         */
5010        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
5011            "accessibility_web_content_key_bindings";
5012
5013        /**
5014         * Setting that specifies whether the display magnification is enabled.
5015         * Display magnifications allows the user to zoom in the display content
5016         * and is targeted to low vision users. The current magnification scale
5017         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
5018         *
5019         * @hide
5020         */
5021        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
5022                "accessibility_display_magnification_enabled";
5023
5024        /**
5025         * Setting that specifies what the display magnification scale is.
5026         * Display magnifications allows the user to zoom in the display
5027         * content and is targeted to low vision users. Whether a display
5028         * magnification is performed is controlled by
5029         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5030         *
5031         * @hide
5032         */
5033        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
5034                "accessibility_display_magnification_scale";
5035
5036        /**
5037         * Setting that specifies whether the display magnification should be
5038         * automatically updated. If this fearture is enabled the system will
5039         * exit magnification mode or pan the viewport when a context change
5040         * occurs. For example, on staring a new activity or rotating the screen,
5041         * the system may zoom out so the user can see the new context he is in.
5042         * Another example is on showing a window that is not visible in the
5043         * magnified viewport the system may pan the viewport to make the window
5044         * the has popped up so the user knows that the context has changed.
5045         * Whether a screen magnification is performed is controlled by
5046         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
5047         *
5048         * @hide
5049         */
5050        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
5051                "accessibility_display_magnification_auto_update";
5052
5053        /**
5054         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
5055         * modified from an AccessibilityService using the SoftKeyboardController.
5056         *
5057         * @hide
5058         */
5059        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
5060                "accessibility_soft_keyboard_mode";
5061
5062        /**
5063         * Default soft keyboard behavior.
5064         *
5065         * @hide
5066         */
5067        public static final int SHOW_MODE_AUTO = 0;
5068
5069        /**
5070         * Soft keyboard is never shown.
5071         *
5072         * @hide
5073         */
5074        public static final int SHOW_MODE_HIDDEN = 1;
5075
5076        /**
5077         * Setting that specifies whether timed text (captions) should be
5078         * displayed in video content. Text display properties are controlled by
5079         * the following settings:
5080         * <ul>
5081         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
5082         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
5083         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
5084         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
5085         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
5086         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
5087         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
5088         * </ul>
5089         *
5090         * @hide
5091         */
5092        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
5093                "accessibility_captioning_enabled";
5094
5095        /**
5096         * Setting that specifies the language for captions as a locale string,
5097         * e.g. en_US.
5098         *
5099         * @see java.util.Locale#toString
5100         * @hide
5101         */
5102        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
5103                "accessibility_captioning_locale";
5104
5105        /**
5106         * Integer property that specifies the preset style for captions, one
5107         * of:
5108         * <ul>
5109         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
5110         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
5111         * </ul>
5112         *
5113         * @see java.util.Locale#toString
5114         * @hide
5115         */
5116        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
5117                "accessibility_captioning_preset";
5118
5119        /**
5120         * Integer property that specifes the background color for captions as a
5121         * packed 32-bit color.
5122         *
5123         * @see android.graphics.Color#argb
5124         * @hide
5125         */
5126        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
5127                "accessibility_captioning_background_color";
5128
5129        /**
5130         * Integer property that specifes the foreground color for captions as a
5131         * packed 32-bit color.
5132         *
5133         * @see android.graphics.Color#argb
5134         * @hide
5135         */
5136        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
5137                "accessibility_captioning_foreground_color";
5138
5139        /**
5140         * Integer property that specifes the edge type for captions, one of:
5141         * <ul>
5142         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
5143         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
5144         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
5145         * </ul>
5146         *
5147         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
5148         * @hide
5149         */
5150        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
5151                "accessibility_captioning_edge_type";
5152
5153        /**
5154         * Integer property that specifes the edge color for captions as a
5155         * packed 32-bit color.
5156         *
5157         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
5158         * @see android.graphics.Color#argb
5159         * @hide
5160         */
5161        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
5162                "accessibility_captioning_edge_color";
5163
5164        /**
5165         * Integer property that specifes the window color for captions as a
5166         * packed 32-bit color.
5167         *
5168         * @see android.graphics.Color#argb
5169         * @hide
5170         */
5171        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
5172                "accessibility_captioning_window_color";
5173
5174        /**
5175         * String property that specifies the typeface for captions, one of:
5176         * <ul>
5177         * <li>DEFAULT
5178         * <li>MONOSPACE
5179         * <li>SANS_SERIF
5180         * <li>SERIF
5181         * </ul>
5182         *
5183         * @see android.graphics.Typeface
5184         * @hide
5185         */
5186        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
5187                "accessibility_captioning_typeface";
5188
5189        /**
5190         * Floating point property that specifies font scaling for captions.
5191         *
5192         * @hide
5193         */
5194        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5195                "accessibility_captioning_font_scale";
5196
5197        /**
5198         * Setting that specifies whether display color inversion is enabled.
5199         */
5200        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5201                "accessibility_display_inversion_enabled";
5202
5203        /**
5204         * Setting that specifies whether display color space adjustment is
5205         * enabled.
5206         *
5207         * @hide
5208         */
5209        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5210                "accessibility_display_daltonizer_enabled";
5211
5212        /**
5213         * Integer property that specifies the type of color space adjustment to
5214         * perform. Valid values are defined in AccessibilityManager.
5215         *
5216         * @hide
5217         */
5218        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5219                "accessibility_display_daltonizer";
5220
5221        /**
5222         * Float list that specifies the color matrix to apply to
5223         * the display. Valid values are defined in AccessibilityManager.
5224         *
5225         * @hide
5226         */
5227        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5228                "accessibility_display_color_matrix";
5229
5230        /**
5231         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5232         * enabled.
5233         *
5234         * @hide
5235         */
5236        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5237                "accessibility_autoclick_enabled";
5238
5239        /**
5240         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5241         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5242         *
5243         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5244         * @hide
5245         */
5246        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5247                "accessibility_autoclick_delay";
5248
5249        /**
5250         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5251         * accessibility.
5252         * (0 = false, 1 = true)
5253         * @hide
5254         */
5255        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5256                "accessibility_large_pointer_icon";
5257
5258        /**
5259         * The timeout for considering a press to be a long press in milliseconds.
5260         * @hide
5261         */
5262        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5263
5264        /**
5265         * List of the enabled print services.
5266         *
5267         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5268         * from pre-N.
5269         *
5270         * @hide
5271         */
5272        public static final String ENABLED_PRINT_SERVICES =
5273            "enabled_print_services";
5274
5275        /**
5276         * List of the disabled print services.
5277         *
5278         * @hide
5279         */
5280        public static final String DISABLED_PRINT_SERVICES =
5281            "disabled_print_services";
5282
5283        /**
5284         * The saved value for WindowManagerService.setForcedDisplayDensity()
5285         * formatted as a single integer representing DPI. If unset, then use
5286         * the real display density.
5287         *
5288         * @hide
5289         */
5290        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5291
5292        /**
5293         * Setting to always use the default text-to-speech settings regardless
5294         * of the application settings.
5295         * 1 = override application settings,
5296         * 0 = use application settings (if specified).
5297         *
5298         * @deprecated  The value of this setting is no longer respected by
5299         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5300         */
5301        @Deprecated
5302        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5303
5304        /**
5305         * Default text-to-speech engine speech rate. 100 = 1x
5306         */
5307        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5308
5309        /**
5310         * Default text-to-speech engine pitch. 100 = 1x
5311         */
5312        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5313
5314        /**
5315         * Default text-to-speech engine.
5316         */
5317        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5318
5319        /**
5320         * Default text-to-speech language.
5321         *
5322         * @deprecated this setting is no longer in use, as of the Ice Cream
5323         * Sandwich release. Apps should never need to read this setting directly,
5324         * instead can query the TextToSpeech framework classes for the default
5325         * locale. {@link TextToSpeech#getLanguage()}.
5326         */
5327        @Deprecated
5328        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5329
5330        /**
5331         * Default text-to-speech country.
5332         *
5333         * @deprecated this setting is no longer in use, as of the Ice Cream
5334         * Sandwich release. Apps should never need to read this setting directly,
5335         * instead can query the TextToSpeech framework classes for the default
5336         * locale. {@link TextToSpeech#getLanguage()}.
5337         */
5338        @Deprecated
5339        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5340
5341        /**
5342         * Default text-to-speech locale variant.
5343         *
5344         * @deprecated this setting is no longer in use, as of the Ice Cream
5345         * Sandwich release. Apps should never need to read this setting directly,
5346         * instead can query the TextToSpeech framework classes for the
5347         * locale that is in use {@link TextToSpeech#getLanguage()}.
5348         */
5349        @Deprecated
5350        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5351
5352        /**
5353         * Stores the default tts locales on a per engine basis. Stored as
5354         * a comma seperated list of values, each value being of the form
5355         * {@code engine_name:locale} for example,
5356         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5357         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5358         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5359         * setting directly, and can query the TextToSpeech framework classes
5360         * for the locale that is in use.
5361         *
5362         * @hide
5363         */
5364        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5365
5366        /**
5367         * Space delimited list of plugin packages that are enabled.
5368         */
5369        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5370
5371        /**
5372         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5373         * instead.
5374         */
5375        @Deprecated
5376        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5377                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5378
5379        /**
5380         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5381         * instead.
5382         */
5383        @Deprecated
5384        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5385                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5386
5387        /**
5388         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5389         * instead.
5390         */
5391        @Deprecated
5392        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5393                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5394
5395        /**
5396         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5397         * instead.
5398         */
5399        @Deprecated
5400        public static final String WIFI_ON = Global.WIFI_ON;
5401
5402        /**
5403         * The acceptable packet loss percentage (range 0 - 100) before trying
5404         * another AP on the same network.
5405         * @deprecated This setting is not used.
5406         */
5407        @Deprecated
5408        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5409                "wifi_watchdog_acceptable_packet_loss_percentage";
5410
5411        /**
5412         * The number of access points required for a network in order for the
5413         * watchdog to monitor it.
5414         * @deprecated This setting is not used.
5415         */
5416        @Deprecated
5417        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5418
5419        /**
5420         * The delay between background checks.
5421         * @deprecated This setting is not used.
5422         */
5423        @Deprecated
5424        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5425                "wifi_watchdog_background_check_delay_ms";
5426
5427        /**
5428         * Whether the Wi-Fi watchdog is enabled for background checking even
5429         * after it thinks the user has connected to a good access point.
5430         * @deprecated This setting is not used.
5431         */
5432        @Deprecated
5433        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5434                "wifi_watchdog_background_check_enabled";
5435
5436        /**
5437         * The timeout for a background ping
5438         * @deprecated This setting is not used.
5439         */
5440        @Deprecated
5441        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5442                "wifi_watchdog_background_check_timeout_ms";
5443
5444        /**
5445         * The number of initial pings to perform that *may* be ignored if they
5446         * fail. Again, if these fail, they will *not* be used in packet loss
5447         * calculation. For example, one network always seemed to time out for
5448         * the first couple pings, so this is set to 3 by default.
5449         * @deprecated This setting is not used.
5450         */
5451        @Deprecated
5452        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5453            "wifi_watchdog_initial_ignored_ping_count";
5454
5455        /**
5456         * The maximum number of access points (per network) to attempt to test.
5457         * If this number is reached, the watchdog will no longer monitor the
5458         * initial connection state for the network. This is a safeguard for
5459         * networks containing multiple APs whose DNS does not respond to pings.
5460         * @deprecated This setting is not used.
5461         */
5462        @Deprecated
5463        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5464
5465        /**
5466         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5467         */
5468        @Deprecated
5469        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5470
5471        /**
5472         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5473         * @deprecated This setting is not used.
5474         */
5475        @Deprecated
5476        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5477
5478        /**
5479         * The number of pings to test if an access point is a good connection.
5480         * @deprecated This setting is not used.
5481         */
5482        @Deprecated
5483        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5484
5485        /**
5486         * The delay between pings.
5487         * @deprecated This setting is not used.
5488         */
5489        @Deprecated
5490        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5491
5492        /**
5493         * The timeout per ping.
5494         * @deprecated This setting is not used.
5495         */
5496        @Deprecated
5497        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5498
5499        /**
5500         * @deprecated Use
5501         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5502         */
5503        @Deprecated
5504        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5505
5506        /**
5507         * @deprecated Use
5508         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5509         */
5510        @Deprecated
5511        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5512                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5513
5514        /**
5515         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5516         * the receivers of the PendingIntent an opportunity to make a new network request before
5517         * the Network satisfying the request is potentially removed.
5518         *
5519         * @hide
5520         */
5521        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5522                "connectivity_release_pending_intent_delay_ms";
5523
5524        /**
5525         * Whether background data usage is allowed.
5526         *
5527         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5528         *             availability of background data depends on several
5529         *             combined factors. When background data is unavailable,
5530         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5531         *             now appear disconnected.
5532         */
5533        @Deprecated
5534        public static final String BACKGROUND_DATA = "background_data";
5535
5536        /**
5537         * Origins for which browsers should allow geolocation by default.
5538         * The value is a space-separated list of origins.
5539         */
5540        public static final String ALLOWED_GEOLOCATION_ORIGINS
5541                = "allowed_geolocation_origins";
5542
5543        /**
5544         * The preferred TTY mode     0 = TTy Off, CDMA default
5545         *                            1 = TTY Full
5546         *                            2 = TTY HCO
5547         *                            3 = TTY VCO
5548         * @hide
5549         */
5550        public static final String PREFERRED_TTY_MODE =
5551                "preferred_tty_mode";
5552
5553        /**
5554         * Whether the enhanced voice privacy mode is enabled.
5555         * 0 = normal voice privacy
5556         * 1 = enhanced voice privacy
5557         * @hide
5558         */
5559        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5560
5561        /**
5562         * Whether the TTY mode mode is enabled.
5563         * 0 = disabled
5564         * 1 = enabled
5565         * @hide
5566         */
5567        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5568
5569        /**
5570         * Controls whether settings backup is enabled.
5571         * Type: int ( 0 = disabled, 1 = enabled )
5572         * @hide
5573         */
5574        public static final String BACKUP_ENABLED = "backup_enabled";
5575
5576        /**
5577         * Controls whether application data is automatically restored from backup
5578         * at install time.
5579         * Type: int ( 0 = disabled, 1 = enabled )
5580         * @hide
5581         */
5582        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5583
5584        /**
5585         * Indicates whether settings backup has been fully provisioned.
5586         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5587         * @hide
5588         */
5589        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5590
5591        /**
5592         * Component of the transport to use for backup/restore.
5593         * @hide
5594         */
5595        public static final String BACKUP_TRANSPORT = "backup_transport";
5596
5597        /**
5598         * Version for which the setup wizard was last shown.  Bumped for
5599         * each release when there is new setup information to show.
5600         * @hide
5601         */
5602        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5603
5604        /**
5605         * The interval in milliseconds after which Wi-Fi is considered idle.
5606         * When idle, it is possible for the device to be switched from Wi-Fi to
5607         * the mobile data network.
5608         * @hide
5609         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5610         * instead.
5611         */
5612        @Deprecated
5613        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5614
5615        /**
5616         * The global search provider chosen by the user (if multiple global
5617         * search providers are installed). This will be the provider returned
5618         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5619         * installed. This setting is stored as a flattened component name as
5620         * per {@link ComponentName#flattenToString()}.
5621         *
5622         * @hide
5623         */
5624        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5625                "search_global_search_activity";
5626
5627        /**
5628         * The number of promoted sources in GlobalSearch.
5629         * @hide
5630         */
5631        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5632        /**
5633         * The maximum number of suggestions returned by GlobalSearch.
5634         * @hide
5635         */
5636        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5637        /**
5638         * The number of suggestions GlobalSearch will ask each non-web search source for.
5639         * @hide
5640         */
5641        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5642        /**
5643         * The number of suggestions the GlobalSearch will ask the web search source for.
5644         * @hide
5645         */
5646        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5647                "search_web_results_override_limit";
5648        /**
5649         * The number of milliseconds that GlobalSearch will wait for suggestions from
5650         * promoted sources before continuing with all other sources.
5651         * @hide
5652         */
5653        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5654                "search_promoted_source_deadline_millis";
5655        /**
5656         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5657         * @hide
5658         */
5659        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5660        /**
5661         * The maximum number of milliseconds that GlobalSearch shows the previous results
5662         * after receiving a new query.
5663         * @hide
5664         */
5665        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5666        /**
5667         * The maximum age of log data used for shortcuts in GlobalSearch.
5668         * @hide
5669         */
5670        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5671        /**
5672         * The maximum age of log data used for source ranking in GlobalSearch.
5673         * @hide
5674         */
5675        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5676                "search_max_source_event_age_millis";
5677        /**
5678         * The minimum number of impressions needed to rank a source in GlobalSearch.
5679         * @hide
5680         */
5681        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5682                "search_min_impressions_for_source_ranking";
5683        /**
5684         * The minimum number of clicks needed to rank a source in GlobalSearch.
5685         * @hide
5686         */
5687        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5688                "search_min_clicks_for_source_ranking";
5689        /**
5690         * The maximum number of shortcuts shown by GlobalSearch.
5691         * @hide
5692         */
5693        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5694        /**
5695         * The size of the core thread pool for suggestion queries in GlobalSearch.
5696         * @hide
5697         */
5698        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5699                "search_query_thread_core_pool_size";
5700        /**
5701         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5702         * @hide
5703         */
5704        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5705                "search_query_thread_max_pool_size";
5706        /**
5707         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5708         * @hide
5709         */
5710        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5711                "search_shortcut_refresh_core_pool_size";
5712        /**
5713         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5714         * @hide
5715         */
5716        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5717                "search_shortcut_refresh_max_pool_size";
5718        /**
5719         * The maximun time that excess threads in the GlobalSeach thread pools will
5720         * wait before terminating.
5721         * @hide
5722         */
5723        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5724                "search_thread_keepalive_seconds";
5725        /**
5726         * The maximum number of concurrent suggestion queries to each source.
5727         * @hide
5728         */
5729        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5730                "search_per_source_concurrent_query_limit";
5731
5732        /**
5733         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5734         * @hide
5735         */
5736        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5737
5738        /**
5739         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5740         * @hide
5741         */
5742        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5743
5744        /**
5745         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5746         * @hide
5747         */
5748        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5749
5750        /**
5751         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5752         * @hide
5753         */
5754        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5755
5756        /**
5757         * If nonzero, ANRs in invisible background processes bring up a dialog.
5758         * Otherwise, the process will be silently killed.
5759         * @hide
5760         */
5761        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5762
5763        /**
5764         * The {@link ComponentName} string of the service to be used as the voice recognition
5765         * service.
5766         *
5767         * @hide
5768         */
5769        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5770
5771        /**
5772         * Stores whether an user has consented to have apps verified through PAM.
5773         * The value is boolean (1 or 0).
5774         *
5775         * @hide
5776         */
5777        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5778            "package_verifier_user_consent";
5779
5780        /**
5781         * The {@link ComponentName} string of the selected spell checker service which is
5782         * one of the services managed by the text service manager.
5783         *
5784         * @hide
5785         */
5786        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5787
5788        /**
5789         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5790         * service which is one of the services managed by the text service manager.
5791         *
5792         * @hide
5793         */
5794        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5795                "selected_spell_checker_subtype";
5796
5797        /**
5798         * The {@link ComponentName} string whether spell checker is enabled or not.
5799         *
5800         * @hide
5801         */
5802        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5803
5804        /**
5805         * What happens when the user presses the Power button while in-call
5806         * and the screen is on.<br/>
5807         * <b>Values:</b><br/>
5808         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5809         * 2 - The Power button hangs up the current call.<br/>
5810         *
5811         * @hide
5812         */
5813        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5814
5815        /**
5816         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5817         * @hide
5818         */
5819        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5820
5821        /**
5822         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5823         * @hide
5824         */
5825        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5826
5827        /**
5828         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5829         * @hide
5830         */
5831        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5832                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5833
5834        /**
5835         * Whether the device should wake when the wake gesture sensor detects motion.
5836         * @hide
5837         */
5838        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5839
5840        /**
5841         * Whether the device should doze if configured.
5842         * @hide
5843         */
5844        public static final String DOZE_ENABLED = "doze_enabled";
5845
5846        /**
5847         * The current night mode that has been selected by the user.  Owned
5848         * and controlled by UiModeManagerService.  Constants are as per
5849         * UiModeManager.
5850         * @hide
5851         */
5852        public static final String UI_NIGHT_MODE = "ui_night_mode";
5853
5854        /**
5855         * Whether screensavers are enabled.
5856         * @hide
5857         */
5858        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5859
5860        /**
5861         * The user's chosen screensaver components.
5862         *
5863         * These will be launched by the PhoneWindowManager after a timeout when not on
5864         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5865         * @hide
5866         */
5867        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5868
5869        /**
5870         * If screensavers are enabled, whether the screensaver should be automatically launched
5871         * when the device is inserted into a (desk) dock.
5872         * @hide
5873         */
5874        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5875
5876        /**
5877         * If screensavers are enabled, whether the screensaver should be automatically launched
5878         * when the screen times out when not on battery.
5879         * @hide
5880         */
5881        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5882
5883        /**
5884         * If screensavers are enabled, the default screensaver component.
5885         * @hide
5886         */
5887        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5888
5889        /**
5890         * The default NFC payment component
5891         * @hide
5892         */
5893        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5894
5895        /**
5896         * Whether NFC payment is handled by the foreground application or a default.
5897         * @hide
5898         */
5899        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5900
5901        /**
5902         * Specifies the package name currently configured to be the primary sms application
5903         * @hide
5904         */
5905        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5906
5907        /**
5908         * Specifies the package name currently configured to be the default dialer application
5909         * @hide
5910         */
5911        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5912
5913        /**
5914         * Specifies the package name currently configured to be the emergency assistance application
5915         *
5916         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5917         *
5918         * @hide
5919         */
5920        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5921
5922        /**
5923         * Specifies whether the current app context on scren (assist data) will be sent to the
5924         * assist application (active voice interaction service).
5925         *
5926         * @hide
5927         */
5928        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5929
5930        /**
5931         * Specifies whether a screenshot of the screen contents will be sent to the assist
5932         * application (active voice interaction service).
5933         *
5934         * @hide
5935         */
5936        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5937
5938        /**
5939         * Names of the service components that the current user has explicitly allowed to
5940         * see all of the user's notifications, separated by ':'.
5941         *
5942         * @hide
5943         */
5944        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5945
5946        /**
5947         * Names of the packages that the current user has explicitly allowed to
5948         * manage notification policy configuration, separated by ':'.
5949         *
5950         * @hide
5951         */
5952        @TestApi
5953        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5954                "enabled_notification_policy_access_packages";
5955
5956        /** @hide */
5957        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5958
5959        /** @hide */
5960        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5961                = "volume_controller_service_component";
5962
5963        /** @hide */
5964        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5965
5966        /**
5967         * This is the query URI for finding a print service to install.
5968         *
5969         * @hide
5970         */
5971        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5972
5973        /**
5974         * This is the query URI for finding a NFC payment service to install.
5975         *
5976         * @hide
5977         */
5978        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5979
5980        /**
5981         * If enabled, apps should try to skip any introductory hints on first launch. This might
5982         * apply to users that are already familiar with the environment or temporary users.
5983         * <p>
5984         * Type : int (0 to show hints, 1 to skip showing hints)
5985         */
5986        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5987
5988        /**
5989         * Persisted playback time after a user confirmation of an unsafe volume level.
5990         *
5991         * @hide
5992         */
5993        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5994
5995        /**
5996         * This preference enables notification display on the lockscreen.
5997         * @hide
5998         */
5999        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
6000                "lock_screen_show_notifications";
6001
6002        /**
6003         * List of TV inputs that are currently hidden. This is a string
6004         * containing the IDs of all hidden TV inputs. Each ID is encoded by
6005         * {@link android.net.Uri#encode(String)} and separated by ':'.
6006         * @hide
6007         */
6008        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
6009
6010        /**
6011         * List of custom TV input labels. This is a string containing <TV input id, custom name>
6012         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
6013         * and separated by ','. Each pair is separated by ':'.
6014         * @hide
6015         */
6016        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
6017
6018        /**
6019         * Whether automatic routing of system audio to USB audio peripheral is disabled.
6020         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
6021         * and 0 means automatic routing is enabled.
6022         *
6023         * @hide
6024         */
6025        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
6026                "usb_audio_automatic_routing_disabled";
6027
6028        /**
6029         * The timeout in milliseconds before the device fully goes to sleep after
6030         * a period of inactivity.  This value sets an upper bound on how long the device
6031         * will stay awake or dreaming without user activity.  It should generally
6032         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
6033         * will sleep before it ever has a chance to dream.
6034         * <p>
6035         * Use -1 to disable this timeout.
6036         * </p>
6037         *
6038         * @hide
6039         */
6040        public static final String SLEEP_TIMEOUT = "sleep_timeout";
6041
6042        /**
6043         * Controls whether double tap to wake is enabled.
6044         * @hide
6045         */
6046        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
6047
6048        /**
6049         * The current assistant component. It could be a voice interaction service,
6050         * or an activity that handles ACTION_ASSIST, or empty which means using the default
6051         * handling.
6052         *
6053         * @hide
6054         */
6055        public static final String ASSISTANT = "assistant";
6056
6057        /**
6058         * Whether the camera launch gesture should be disabled.
6059         *
6060         * @hide
6061         */
6062        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
6063
6064        /**
6065         * Whether the camera launch gesture to double tap the power button when the screen is off
6066         * should be disabled.
6067         *
6068         * @hide
6069         */
6070        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
6071                "camera_double_tap_power_gesture_disabled";
6072
6073        /**
6074
6075        /**
6076         * Behavior of twilight on the device.
6077         * One of {@link #TWILIGHT_MODE_LOCKED_OFF}, {@link #TWILIGHT_MODE_LOCKED_ON}
6078         * or {@link #TWILIGHT_MODE_AUTO}.
6079         * @hide
6080         */
6081        public static final String TWILIGHT_MODE = "twilight_mode";
6082
6083        /**
6084         * Twilight mode always off.
6085         * @hide
6086         */
6087        public static final int TWILIGHT_MODE_LOCKED_OFF = 0;
6088
6089        /**
6090         * Twilight mode always on.
6091         * @hide
6092         */
6093        public static final int TWILIGHT_MODE_LOCKED_ON = 1;
6094
6095        /**
6096         * Twilight mode auto.
6097         * @hide
6098         */
6099        public static final int TWILIGHT_MODE_AUTO = 2;
6100
6101        /**
6102         * Twilight mode auto, temporarily overriden to on.
6103         * @hide
6104         */
6105        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_OFF = 3;
6106
6107        /**
6108         * Twilight mode auto, temporarily overriden to off.
6109         * @hide
6110         */
6111        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_ON = 4;
6112
6113        /**
6114         * Whether brightness should automatically adjust based on twilight state.
6115         * @hide
6116         */
6117        public static final String BRIGHTNESS_USE_TWILIGHT = "brightness_use_twilight";
6118
6119        /**
6120         * Names of the service components that the current user has explicitly allowed to
6121         * be a VR mode listener, separated by ':'.
6122         *
6123         * @hide
6124         */
6125        public static final String ENABLED_VR_LISTENERS = "enabled_vr_listeners";
6126
6127        /**
6128         * Behavior of the display while in VR mode.
6129         *
6130         * One of {@link #VR_DISPLAY_MODE_LOW_PERSISTENCE} or {@link #VR_DISPLAY_MODE_OFF}.
6131         *
6132         * @hide
6133         */
6134        public static final String VR_DISPLAY_MODE = "vr_display_mode";
6135
6136        /**
6137         * Lower the display persistence while the system is in VR mode.
6138         *
6139         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6140         *
6141         * @hide.
6142         */
6143        public static final int VR_DISPLAY_MODE_LOW_PERSISTENCE = 0;
6144
6145        /**
6146         * Do not alter the display persistence while the system is in VR mode.
6147         *
6148         * @see PackageManager#FEATURE_VR_MODE_HIGH_PERFORMANCE
6149         *
6150         * @hide.
6151         */
6152        public static final int VR_DISPLAY_MODE_OFF = 1;
6153
6154        /**
6155         * This are the settings to be backed up.
6156         *
6157         * NOTE: Settings are backed up and restored in the order they appear
6158         *       in this array. If you have one setting depending on another,
6159         *       make sure that they are ordered appropriately.
6160         *
6161         * @hide
6162         */
6163        public static final String[] SETTINGS_TO_BACKUP = {
6164            BUGREPORT_IN_POWER_MENU,                            // moved to global
6165            ALLOW_MOCK_LOCATION,
6166            PARENTAL_CONTROL_ENABLED,
6167            PARENTAL_CONTROL_REDIRECT_URL,
6168            USB_MASS_STORAGE_ENABLED,                           // moved to global
6169            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
6170            ACCESSIBILITY_DISPLAY_DALTONIZER,
6171            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
6172            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
6173            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
6174            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
6175            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
6176            ACCESSIBILITY_SCRIPT_INJECTION,
6177            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
6178            BACKUP_AUTO_RESTORE,
6179            ENABLED_ACCESSIBILITY_SERVICES,
6180            ENABLED_NOTIFICATION_LISTENERS,
6181            ENABLED_VR_LISTENERS,
6182            ENABLED_INPUT_METHODS,
6183            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
6184            TOUCH_EXPLORATION_ENABLED,
6185            ACCESSIBILITY_ENABLED,
6186            ACCESSIBILITY_SPEAK_PASSWORD,
6187            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
6188            ACCESSIBILITY_CAPTIONING_PRESET,
6189            ACCESSIBILITY_CAPTIONING_ENABLED,
6190            ACCESSIBILITY_CAPTIONING_LOCALE,
6191            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
6192            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
6193            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
6194            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
6195            ACCESSIBILITY_CAPTIONING_TYPEFACE,
6196            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
6197            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
6198            TTS_USE_DEFAULTS,
6199            TTS_DEFAULT_RATE,
6200            TTS_DEFAULT_PITCH,
6201            TTS_DEFAULT_SYNTH,
6202            TTS_DEFAULT_LANG,
6203            TTS_DEFAULT_COUNTRY,
6204            TTS_ENABLED_PLUGINS,
6205            TTS_DEFAULT_LOCALE,
6206            SHOW_IME_WITH_HARD_KEYBOARD,
6207            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
6208            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
6209            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
6210            SELECTED_SPELL_CHECKER,
6211            SELECTED_SPELL_CHECKER_SUBTYPE,
6212            SPELL_CHECKER_ENABLED,
6213            MOUNT_PLAY_NOTIFICATION_SND,
6214            MOUNT_UMS_AUTOSTART,
6215            MOUNT_UMS_PROMPT,
6216            MOUNT_UMS_NOTIFY_ENABLED,
6217            SLEEP_TIMEOUT,
6218            DOUBLE_TAP_TO_WAKE,
6219            WAKE_GESTURE_ENABLED,
6220            LONG_PRESS_TIMEOUT,
6221            CAMERA_GESTURE_DISABLED,
6222            ACCESSIBILITY_AUTOCLICK_ENABLED,
6223            ACCESSIBILITY_AUTOCLICK_DELAY,
6224            ACCESSIBILITY_LARGE_POINTER_ICON,
6225            PREFERRED_TTY_MODE,
6226            ENHANCED_VOICE_PRIVACY_ENABLED,
6227            TTY_MODE_ENABLED,
6228            INCALL_POWER_BUTTON_BEHAVIOR
6229        };
6230
6231        /**
6232         * These entries are considered common between the personal and the managed profile,
6233         * since the managed profile doesn't get to change them.
6234         */
6235        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
6236
6237        static {
6238            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
6239            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
6240            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
6241            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
6242            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
6243            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
6244            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
6245            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
6246            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
6247            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
6248            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
6249            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
6250        }
6251
6252        /** @hide */
6253        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
6254            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6255        }
6256
6257        /**
6258         * Helper method for determining if a location provider is enabled.
6259         *
6260         * @param cr the content resolver to use
6261         * @param provider the location provider to query
6262         * @return true if the provider is enabled
6263         *
6264         * @deprecated use {@link #LOCATION_MODE} or
6265         *             {@link LocationManager#isProviderEnabled(String)}
6266         */
6267        @Deprecated
6268        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6269            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6270        }
6271
6272        /**
6273         * Helper method for determining if a location provider is enabled.
6274         * @param cr the content resolver to use
6275         * @param provider the location provider to query
6276         * @param userId the userId to query
6277         * @return true if the provider is enabled
6278         * @deprecated use {@link #LOCATION_MODE} or
6279         *             {@link LocationManager#isProviderEnabled(String)}
6280         * @hide
6281         */
6282        @Deprecated
6283        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6284            String allowedProviders = Settings.Secure.getStringForUser(cr,
6285                    LOCATION_PROVIDERS_ALLOWED, userId);
6286            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6287        }
6288
6289        /**
6290         * Thread-safe method for enabling or disabling a single location provider.
6291         * @param cr the content resolver to use
6292         * @param provider the location provider to enable or disable
6293         * @param enabled true if the provider should be enabled
6294         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6295         */
6296        @Deprecated
6297        public static final void setLocationProviderEnabled(ContentResolver cr,
6298                String provider, boolean enabled) {
6299            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6300        }
6301
6302        /**
6303         * Thread-safe method for enabling or disabling a single location provider.
6304         *
6305         * @param cr the content resolver to use
6306         * @param provider the location provider to enable or disable
6307         * @param enabled true if the provider should be enabled
6308         * @param userId the userId for which to enable/disable providers
6309         * @return true if the value was set, false on database errors
6310         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6311         *             {@link #LOCATION_MODE}
6312         * @hide
6313         */
6314        @Deprecated
6315        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6316                String provider, boolean enabled, int userId) {
6317            synchronized (mLocationSettingsLock) {
6318                // to ensure thread safety, we write the provider name with a '+' or '-'
6319                // and let the SettingsProvider handle it rather than reading and modifying
6320                // the list of enabled providers.
6321                if (enabled) {
6322                    provider = "+" + provider;
6323                } else {
6324                    provider = "-" + provider;
6325                }
6326                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6327                        userId);
6328            }
6329        }
6330
6331        /**
6332         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6333         */
6334        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6335            final int mode = getLocationModeForUser(cr, userId);
6336            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6337        }
6338
6339        /**
6340         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6341         */
6342        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6343            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6344                    LOCATION_MODE_HIGH_ACCURACY, userId);
6345            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6346            // turn on location any longer.
6347            if (mode == LOCATION_MODE_OFF) {
6348                mode = LOCATION_MODE_HIGH_ACCURACY;
6349            }
6350            return setLocationModeForUser(cr, mode, userId);
6351        }
6352
6353        /**
6354         * Thread-safe method for setting the location mode to one of
6355         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6356         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6357         *
6358         * @param cr the content resolver to use
6359         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6360         * @param userId the userId for which to change mode
6361         * @return true if the value was set, false on database errors
6362         *
6363         * @throws IllegalArgumentException if mode is not one of the supported values
6364         */
6365        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6366                int userId) {
6367            synchronized (mLocationSettingsLock) {
6368                boolean gps = false;
6369                boolean network = false;
6370                switch (mode) {
6371                    case LOCATION_MODE_PREVIOUS:
6372                        // Retrieve the actual mode and set to that mode.
6373                        return restoreLocationModeForUser(cr, userId);
6374                    case LOCATION_MODE_OFF:
6375                        saveLocationModeForUser(cr, userId);
6376                        break;
6377                    case LOCATION_MODE_SENSORS_ONLY:
6378                        gps = true;
6379                        break;
6380                    case LOCATION_MODE_BATTERY_SAVING:
6381                        network = true;
6382                        break;
6383                    case LOCATION_MODE_HIGH_ACCURACY:
6384                        gps = true;
6385                        network = true;
6386                        break;
6387                    default:
6388                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6389                }
6390                // Note it's important that we set the NLP mode first. The Google implementation
6391                // of NLP clears its NLP consent setting any time it receives a
6392                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6393                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6394                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6395                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6396                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6397                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6398                // dialog. Then the people who wrote the setup wizard would be sad.
6399                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6400                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6401                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6402                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6403                return gpsSuccess && nlpSuccess;
6404            }
6405        }
6406
6407        /**
6408         * Thread-safe method for reading the location mode, returns one of
6409         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6410         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6411         *
6412         * @param cr the content resolver to use
6413         * @param userId the userId for which to read the mode
6414         * @return the location mode
6415         */
6416        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6417            synchronized (mLocationSettingsLock) {
6418                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6419                        cr, LocationManager.GPS_PROVIDER, userId);
6420                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6421                        cr, LocationManager.NETWORK_PROVIDER, userId);
6422                if (gpsEnabled && networkEnabled) {
6423                    return LOCATION_MODE_HIGH_ACCURACY;
6424                } else if (gpsEnabled) {
6425                    return LOCATION_MODE_SENSORS_ONLY;
6426                } else if (networkEnabled) {
6427                    return LOCATION_MODE_BATTERY_SAVING;
6428                } else {
6429                    return LOCATION_MODE_OFF;
6430                }
6431            }
6432        }
6433    }
6434
6435    /**
6436     * Global system settings, containing preferences that always apply identically
6437     * to all defined users.  Applications can read these but are not allowed to write;
6438     * like the "Secure" settings, these are for preferences that the user must
6439     * explicitly modify through the system UI or specialized APIs for those values.
6440     */
6441    public static final class Global extends NameValueTable {
6442        /**
6443         * The content:// style URL for global secure settings items.  Not public.
6444         */
6445        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6446
6447        /**
6448         * Whether users are allowed to add more users or guest from lockscreen.
6449         * <p>
6450         * Type: int
6451         * @hide
6452         */
6453        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6454
6455        /**
6456         * Setting whether the global gesture for enabling accessibility is enabled.
6457         * If this gesture is enabled the user will be able to perfrom it to enable
6458         * the accessibility state without visiting the settings app.
6459         * @hide
6460         */
6461        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6462                "enable_accessibility_global_gesture_enabled";
6463
6464        /**
6465         * Whether Airplane Mode is on.
6466         */
6467        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6468
6469        /**
6470         * Whether Theater Mode is on.
6471         * {@hide}
6472         */
6473        @SystemApi
6474        public static final String THEATER_MODE_ON = "theater_mode_on";
6475
6476        /**
6477         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6478         */
6479        public static final String RADIO_BLUETOOTH = "bluetooth";
6480
6481        /**
6482         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6483         */
6484        public static final String RADIO_WIFI = "wifi";
6485
6486        /**
6487         * {@hide}
6488         */
6489        public static final String RADIO_WIMAX = "wimax";
6490        /**
6491         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6492         */
6493        public static final String RADIO_CELL = "cell";
6494
6495        /**
6496         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6497         */
6498        public static final String RADIO_NFC = "nfc";
6499
6500        /**
6501         * A comma separated list of radios that need to be disabled when airplane mode
6502         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6503         * included in the comma separated list.
6504         */
6505        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6506
6507        /**
6508         * A comma separated list of radios that should to be disabled when airplane mode
6509         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6510         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6511         * will be turned off when entering airplane mode, but the user will be able to reenable
6512         * Wifi in the Settings app.
6513         *
6514         * {@hide}
6515         */
6516        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6517
6518        /**
6519         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6520         * See {@link android.bluetooth.BluetoothProfile}.
6521         * {@hide}
6522         */
6523        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6524
6525        /**
6526         * A semi-colon separated list of Bluetooth interoperability workarounds.
6527         * Each entry is a partial Bluetooth device address string and an integer representing
6528         * the feature to be disabled, separated by a comma. The integer must correspond
6529         * to a interoperability feature as defined in "interop.h" in /system/bt.
6530         * <p>
6531         * Example: <br/>
6532         *   "00:11:22,0;01:02:03:04,2"
6533         * @hide
6534         */
6535       public static final String BLUETOOTH_INTEROPERABILITY_LIST = "bluetooth_interoperability_list";
6536
6537        /**
6538         * The policy for deciding when Wi-Fi should go to sleep (which will in
6539         * turn switch to using the mobile data as an Internet connection).
6540         * <p>
6541         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6542         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6543         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6544         */
6545        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6546
6547        /**
6548         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6549         * policy, which is to sleep shortly after the turning off
6550         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6551         */
6552        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6553
6554        /**
6555         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6556         * the device is on battery, and never go to sleep when the device is
6557         * plugged in.
6558         */
6559        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6560
6561        /**
6562         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6563         */
6564        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6565
6566        /**
6567         * Value to specify if the user prefers the date, time and time zone
6568         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6569         */
6570        public static final String AUTO_TIME = "auto_time";
6571
6572        /**
6573         * Value to specify if the user prefers the time zone
6574         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6575         */
6576        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6577
6578        /**
6579         * URI for the car dock "in" event sound.
6580         * @hide
6581         */
6582        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6583
6584        /**
6585         * URI for the car dock "out" event sound.
6586         * @hide
6587         */
6588        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6589
6590        /**
6591         * URI for the desk dock "in" event sound.
6592         * @hide
6593         */
6594        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6595
6596        /**
6597         * URI for the desk dock "out" event sound.
6598         * @hide
6599         */
6600        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6601
6602        /**
6603         * Whether to play a sound for dock events.
6604         * @hide
6605         */
6606        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6607
6608        /**
6609         * URI for the "device locked" (keyguard shown) sound.
6610         * @hide
6611         */
6612        public static final String LOCK_SOUND = "lock_sound";
6613
6614        /**
6615         * URI for the "device unlocked" sound.
6616         * @hide
6617         */
6618        public static final String UNLOCK_SOUND = "unlock_sound";
6619
6620        /**
6621         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6622         * state without unlocking.
6623         * @hide
6624         */
6625        public static final String TRUSTED_SOUND = "trusted_sound";
6626
6627        /**
6628         * URI for the low battery sound file.
6629         * @hide
6630         */
6631        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6632
6633        /**
6634         * Whether to play a sound for low-battery alerts.
6635         * @hide
6636         */
6637        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6638
6639        /**
6640         * URI for the "wireless charging started" sound.
6641         * @hide
6642         */
6643        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6644                "wireless_charging_started_sound";
6645
6646        /**
6647         * Whether to play a sound for charging events.
6648         * @hide
6649         */
6650        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6651
6652        /**
6653         * Whether we keep the device on while the device is plugged in.
6654         * Supported values are:
6655         * <ul>
6656         * <li>{@code 0} to never stay on while plugged in</li>
6657         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6658         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6659         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6660         * </ul>
6661         * These values can be OR-ed together.
6662         */
6663        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6664
6665        /**
6666         * When the user has enable the option to have a "bug report" command
6667         * in the power menu.
6668         * @hide
6669         */
6670        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6671
6672        /**
6673         * Whether ADB is enabled.
6674         */
6675        public static final String ADB_ENABLED = "adb_enabled";
6676
6677        /**
6678         * Whether Views are allowed to save their attribute data.
6679         * @hide
6680         */
6681        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6682
6683        /**
6684         * Whether assisted GPS should be enabled or not.
6685         * @hide
6686         */
6687        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6688
6689        /**
6690         * Whether bluetooth is enabled/disabled
6691         * 0=disabled. 1=enabled.
6692         */
6693        public static final String BLUETOOTH_ON = "bluetooth_on";
6694
6695        /**
6696         * CDMA Cell Broadcast SMS
6697         *                            0 = CDMA Cell Broadcast SMS disabled
6698         *                            1 = CDMA Cell Broadcast SMS enabled
6699         * @hide
6700         */
6701        public static final String CDMA_CELL_BROADCAST_SMS =
6702                "cdma_cell_broadcast_sms";
6703
6704        /**
6705         * The CDMA roaming mode 0 = Home Networks, CDMA default
6706         *                       1 = Roaming on Affiliated networks
6707         *                       2 = Roaming on any networks
6708         * @hide
6709         */
6710        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6711
6712        /**
6713         * The CDMA subscription mode 0 = RUIM/SIM (default)
6714         *                                1 = NV
6715         * @hide
6716         */
6717        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6718
6719        /** Inactivity timeout to track mobile data activity.
6720        *
6721        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6722        * infer the data activity of mobile network. After a period of no activity on mobile
6723        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6724        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6725        * subsequent activity on mobile networks triggers the firing of {@code
6726        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6727        *
6728        * Network activity refers to transmitting or receiving data on the network interfaces.
6729        *
6730        * Tracking is disabled if set to zero or negative value.
6731        *
6732        * @hide
6733        */
6734       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6735
6736       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6737        * but for Wifi network.
6738        * @hide
6739        */
6740       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6741
6742       /**
6743        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6744        */
6745       public static final String DATA_ROAMING = "data_roaming";
6746
6747       /**
6748        * The value passed to a Mobile DataConnection via bringUp which defines the
6749        * number of retries to preform when setting up the initial connection. The default
6750        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6751        * @hide
6752        */
6753       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6754
6755       /**
6756        * Whether any package can be on external storage. When this is true, any
6757        * package, regardless of manifest values, is a candidate for installing
6758        * or moving onto external storage. (0 = false, 1 = true)
6759        * @hide
6760        */
6761       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6762
6763        /**
6764         * Whether any activity can be resized. When this is true, any
6765         * activity, regardless of manifest values, can be resized for multi-window.
6766         * (0 = false, 1 = true)
6767         * @hide
6768         */
6769        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6770                = "force_resizable_activities";
6771
6772        /**
6773         * Whether to enable experimental freeform support for windows.
6774         * @hide
6775         */
6776        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6777                = "enable_freeform_support";
6778
6779       /**
6780        * Whether user has enabled development settings.
6781        */
6782       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6783
6784       /**
6785        * Whether the device has been provisioned (0 = false, 1 = true).
6786        * <p>On a multiuser device with a separate system user, the screen may be locked
6787        * as soon as this is set to true and further activities cannot be launched on the
6788        * system user unless they are marked to show over keyguard.
6789        */
6790       public static final String DEVICE_PROVISIONED = "device_provisioned";
6791
6792       /**
6793        * Whether mobile data should be allowed while the device is being provisioned.
6794        * This allows the provisioning process to turn off mobile data before the user
6795        * has an opportunity to set things up, preventing other processes from burning
6796        * precious bytes before wifi is setup.
6797        * (0 = false, 1 = true)
6798        * @hide
6799        */
6800       public static final String DEVICE_PROVISIONING_MOBILE_DATA_ENABLED =
6801               "device_provisioning_mobile_data";
6802
6803       /**
6804        * The saved value for WindowManagerService.setForcedDisplaySize().
6805        * Two integers separated by a comma.  If unset, then use the real display size.
6806        * @hide
6807        */
6808       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6809
6810       /**
6811        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6812        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6813        * @hide
6814        */
6815       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6816
6817       /**
6818        * The maximum size, in bytes, of a download that the download manager will transfer over
6819        * a non-wifi connection.
6820        * @hide
6821        */
6822       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6823               "download_manager_max_bytes_over_mobile";
6824
6825       /**
6826        * The recommended maximum size, in bytes, of a download that the download manager should
6827        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6828        * have the option to start the download over the mobile connection anyway.
6829        * @hide
6830        */
6831       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6832               "download_manager_recommended_max_bytes_over_mobile";
6833
6834       /**
6835        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6836        */
6837       @Deprecated
6838       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6839
6840       /**
6841        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6842        * sent or processed. (0 = false, 1 = true)
6843        * @hide
6844        */
6845       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6846
6847       /**
6848        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6849        * and the output is redirected to AV Receiver connected via
6850        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6851        * @hide
6852        */
6853       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6854
6855       /**
6856        * Whether TV will automatically turn on upon reception of the CEC command
6857        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6858        * @hide
6859        */
6860       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6861               "hdmi_control_auto_wakeup_enabled";
6862
6863       /**
6864        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6865        * (0 = false, 1 = true)
6866        * @hide
6867        */
6868       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6869               "hdmi_control_auto_device_off_enabled";
6870
6871       /**
6872        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6873        * client.
6874        * (0 = false, 1 = true)
6875        * @hide
6876        */
6877       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6878
6879       /**
6880        * Whether TV will switch to MHL port when a mobile device is plugged in.
6881        * (0 = false, 1 = true)
6882        * @hide
6883        */
6884       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6885
6886       /**
6887        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6888        * @hide
6889        */
6890       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6891
6892       /**
6893        * Whether mobile data connections are allowed by the user.  See
6894        * ConnectivityManager for more info.
6895        * @hide
6896        */
6897       public static final String MOBILE_DATA = "mobile_data";
6898
6899       /**
6900        * Whether the mobile data connection should remain active even when higher
6901        * priority networks like WiFi are active, to help make network switching faster.
6902        *
6903        * See ConnectivityService for more info.
6904        *
6905        * (0 = disabled, 1 = enabled)
6906        * @hide
6907        */
6908       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6909
6910       /** {@hide} */
6911       public static final String NETSTATS_ENABLED = "netstats_enabled";
6912       /** {@hide} */
6913       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6914       /** {@hide} */
6915       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6916       /** {@hide} */
6917       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6918       /** {@hide} */
6919       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6920
6921       /** {@hide} */
6922       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6923       /** {@hide} */
6924       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6925       /** {@hide} */
6926       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6927       /** {@hide} */
6928       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6929
6930       /** {@hide} */
6931       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6932       /** {@hide} */
6933       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6934       /** {@hide} */
6935       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6936       /** {@hide} */
6937       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6938
6939       /** {@hide} */
6940       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6941       /** {@hide} */
6942       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6943       /** {@hide} */
6944       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6945       /** {@hide} */
6946       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6947
6948       /**
6949        * User preference for which network(s) should be used. Only the
6950        * connectivity service should touch this.
6951        */
6952       public static final String NETWORK_PREFERENCE = "network_preference";
6953
6954       /**
6955        * Which package name to use for network scoring. If null, or if the package is not a valid
6956        * scorer app, external network scores will neither be requested nor accepted.
6957        * @hide
6958        */
6959       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6960
6961       /**
6962        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6963        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6964        * exceeded.
6965        * @hide
6966        */
6967       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6968
6969       /**
6970        * The length of time in milli-seconds that automatic small adjustments to
6971        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6972        * @hide
6973        */
6974       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6975
6976       /** Preferred NTP server. {@hide} */
6977       public static final String NTP_SERVER = "ntp_server";
6978       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6979       public static final String NTP_TIMEOUT = "ntp_timeout";
6980
6981       /** {@hide} */
6982       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6983
6984       /**
6985        * Whether to disable the automatic scheduling of system updates.
6986        * 1 = system updates won't be automatically scheduled (will always
6987        * present notification instead).
6988        * 0 = system updates will be automatically scheduled. (default)
6989        * @hide
6990        */
6991       @SystemApi
6992       public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
6993
6994       /**
6995        * Whether the package manager should send package verification broadcasts for verifiers to
6996        * review apps prior to installation.
6997        * 1 = request apps to be verified prior to installation, if a verifier exists.
6998        * 0 = do not verify apps before installation
6999        * @hide
7000        */
7001       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
7002
7003       /** Timeout for package verification.
7004        * @hide */
7005       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
7006
7007       /** Default response code for package verification.
7008        * @hide */
7009       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
7010
7011       /**
7012        * Show package verification setting in the Settings app.
7013        * 1 = show (default)
7014        * 0 = hide
7015        * @hide
7016        */
7017       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
7018
7019       /**
7020        * Run package verification on apps installed through ADB/ADT/USB
7021        * 1 = perform package verification on ADB installs (default)
7022        * 0 = bypass package verification on ADB installs
7023        * @hide
7024        */
7025       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
7026
7027       /**
7028        * Time since last fstrim (milliseconds) after which we force one to happen
7029        * during device startup.  If unset, the default is 3 days.
7030        * @hide
7031        */
7032       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
7033
7034       /**
7035        * The interval in milliseconds at which to check packet counts on the
7036        * mobile data interface when screen is on, to detect possible data
7037        * connection problems.
7038        * @hide
7039        */
7040       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
7041               "pdp_watchdog_poll_interval_ms";
7042
7043       /**
7044        * The interval in milliseconds at which to check packet counts on the
7045        * mobile data interface when screen is off, to detect possible data
7046        * connection problems.
7047        * @hide
7048        */
7049       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
7050               "pdp_watchdog_long_poll_interval_ms";
7051
7052       /**
7053        * The interval in milliseconds at which to check packet counts on the
7054        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
7055        * outgoing packets has been reached without incoming packets.
7056        * @hide
7057        */
7058       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
7059               "pdp_watchdog_error_poll_interval_ms";
7060
7061       /**
7062        * The number of outgoing packets sent without seeing an incoming packet
7063        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
7064        * device is logged to the event log
7065        * @hide
7066        */
7067       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
7068               "pdp_watchdog_trigger_packet_count";
7069
7070       /**
7071        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
7072        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
7073        * attempting data connection recovery.
7074        * @hide
7075        */
7076       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
7077               "pdp_watchdog_error_poll_count";
7078
7079       /**
7080        * The number of failed PDP reset attempts before moving to something more
7081        * drastic: re-registering to the network.
7082        * @hide
7083        */
7084       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
7085               "pdp_watchdog_max_pdp_reset_fail_count";
7086
7087       /**
7088        * A positive value indicates how often the SamplingProfiler
7089        * should take snapshots. Zero value means SamplingProfiler
7090        * is disabled.
7091        *
7092        * @hide
7093        */
7094       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
7095
7096       /**
7097        * URL to open browser on to allow user to manage a prepay account
7098        * @hide
7099        */
7100       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
7101               "setup_prepaid_data_service_url";
7102
7103       /**
7104        * URL to attempt a GET on to see if this is a prepay device
7105        * @hide
7106        */
7107       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
7108               "setup_prepaid_detection_target_url";
7109
7110       /**
7111        * Host to check for a redirect to after an attempt to GET
7112        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
7113        * this is a prepaid device with zero balance.)
7114        * @hide
7115        */
7116       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
7117               "setup_prepaid_detection_redir_host";
7118
7119       /**
7120        * The interval in milliseconds at which to check the number of SMS sent out without asking
7121        * for use permit, to limit the un-authorized SMS usage.
7122        *
7123        * @hide
7124        */
7125       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
7126               "sms_outgoing_check_interval_ms";
7127
7128       /**
7129        * The number of outgoing SMS sent without asking for user permit (of {@link
7130        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
7131        *
7132        * @hide
7133        */
7134       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
7135               "sms_outgoing_check_max_count";
7136
7137       /**
7138        * Used to disable SMS short code confirmation - defaults to true.
7139        * True indcates we will do the check, etc.  Set to false to disable.
7140        * @see com.android.internal.telephony.SmsUsageMonitor
7141        * @hide
7142        */
7143       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
7144
7145        /**
7146         * Used to select which country we use to determine premium sms codes.
7147         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
7148         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
7149         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
7150         * @hide
7151         */
7152        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
7153
7154       /**
7155        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
7156        * @hide
7157        */
7158       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
7159
7160       /**
7161        * Used to disable Tethering on a device - defaults to true
7162        * @hide
7163        */
7164       public static final String TETHER_SUPPORTED = "tether_supported";
7165
7166       /**
7167        * Used to require DUN APN on the device or not - defaults to a build config value
7168        * which defaults to false
7169        * @hide
7170        */
7171       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
7172
7173       /**
7174        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
7175        * corresponding build config values are set it will override the APN DB
7176        * values.
7177        * Consists of a comma seperated list of strings:
7178        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
7179        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
7180        * @hide
7181        */
7182       public static final String TETHER_DUN_APN = "tether_dun_apn";
7183
7184       /**
7185        * List of carrier apps which are whitelisted to prompt the user for install when
7186        * a sim card with matching uicc carrier privilege rules is inserted.
7187        *
7188        * The value is "package1;package2;..."
7189        * @hide
7190        */
7191       public static final String CARRIER_APP_WHITELIST = "carrier_app_whitelist";
7192
7193       /**
7194        * USB Mass Storage Enabled
7195        */
7196       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
7197
7198       /**
7199        * If this setting is set (to anything), then all references
7200        * to Gmail on the device must change to Google Mail.
7201        */
7202       public static final String USE_GOOGLE_MAIL = "use_google_mail";
7203
7204        /**
7205         * Webview Data reduction proxy key.
7206         * @hide
7207         */
7208        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
7209                "webview_data_reduction_proxy_key";
7210
7211        /**
7212         * Whether or not the WebView fallback mechanism should be enabled.
7213         * 0=disabled, 1=enabled.
7214         * @hide
7215         */
7216        public static final String WEBVIEW_FALLBACK_LOGIC_ENABLED =
7217                "webview_fallback_logic_enabled";
7218
7219        /**
7220         * Name of the package used as WebView provider (if unset the provider is instead determined
7221         * by the system).
7222         * @hide
7223         */
7224        public static final String WEBVIEW_PROVIDER = "webview_provider";
7225
7226        /**
7227         * Developer setting to enable WebView multiprocess rendering.
7228         * @hide
7229         */
7230        @SystemApi
7231        public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
7232
7233       /**
7234        * Whether Wifi display is enabled/disabled
7235        * 0=disabled. 1=enabled.
7236        * @hide
7237        */
7238       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
7239
7240       /**
7241        * Whether Wifi display certification mode is enabled/disabled
7242        * 0=disabled. 1=enabled.
7243        * @hide
7244        */
7245       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
7246               "wifi_display_certification_on";
7247
7248       /**
7249        * WPS Configuration method used by Wifi display, this setting only
7250        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
7251        *
7252        * Possible values are:
7253        *
7254        * WpsInfo.INVALID: use default WPS method chosen by framework
7255        * WpsInfo.PBC    : use Push button
7256        * WpsInfo.KEYPAD : use Keypad
7257        * WpsInfo.DISPLAY: use Display
7258        * @hide
7259        */
7260       public static final String WIFI_DISPLAY_WPS_CONFIG =
7261           "wifi_display_wps_config";
7262
7263       /**
7264        * Whether to notify the user of open networks.
7265        * <p>
7266        * If not connected and the scan results have an open network, we will
7267        * put this notification up. If we attempt to connect to a network or
7268        * the open network(s) disappear, we remove the notification. When we
7269        * show the notification, we will not show it again for
7270        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
7271        */
7272       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7273               "wifi_networks_available_notification_on";
7274       /**
7275        * {@hide}
7276        */
7277       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7278               "wimax_networks_available_notification_on";
7279
7280       /**
7281        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
7282        * Connecting to a network will reset the timer.
7283        */
7284       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
7285               "wifi_networks_available_repeat_delay";
7286
7287       /**
7288        * 802.11 country code in ISO 3166 format
7289        * @hide
7290        */
7291       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
7292
7293       /**
7294        * The interval in milliseconds to issue wake up scans when wifi needs
7295        * to connect. This is necessary to connect to an access point when
7296        * device is on the move and the screen is off.
7297        * @hide
7298        */
7299       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
7300               "wifi_framework_scan_interval_ms";
7301
7302       /**
7303        * The interval in milliseconds after which Wi-Fi is considered idle.
7304        * When idle, it is possible for the device to be switched from Wi-Fi to
7305        * the mobile data network.
7306        * @hide
7307        */
7308       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
7309
7310       /**
7311        * When the number of open networks exceeds this number, the
7312        * least-recently-used excess networks will be removed.
7313        */
7314       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
7315
7316       /**
7317        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7318        */
7319       public static final String WIFI_ON = "wifi_on";
7320
7321       /**
7322        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7323        * @hide
7324        */
7325       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7326                "wifi_scan_always_enabled";
7327
7328       /**
7329        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7330        * connectivity.
7331        * @hide
7332        */
7333       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7334               "ble_scan_always_enabled";
7335
7336       /**
7337        * Used to save the Wifi_ON state prior to tethering.
7338        * This state will be checked to restore Wifi after
7339        * the user turns off tethering.
7340        *
7341        * @hide
7342        */
7343       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7344
7345       /**
7346        * The interval in milliseconds to scan as used by the wifi supplicant
7347        * @hide
7348        */
7349       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7350               "wifi_supplicant_scan_interval_ms";
7351
7352        /**
7353         * whether frameworks handles wifi auto-join
7354         * @hide
7355         */
7356       public static final String WIFI_ENHANCED_AUTO_JOIN =
7357                "wifi_enhanced_auto_join";
7358
7359        /**
7360         * whether settings show RSSI
7361         * @hide
7362         */
7363        public static final String WIFI_NETWORK_SHOW_RSSI =
7364                "wifi_network_show_rssi";
7365
7366        /**
7367        * The interval in milliseconds to scan at supplicant when p2p is connected
7368        * @hide
7369        */
7370       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7371               "wifi_scan_interval_p2p_connected_ms";
7372
7373       /**
7374        * Whether the Wi-Fi watchdog is enabled.
7375        */
7376       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7377
7378       /**
7379        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7380        * the setting needs to be set to 0 to disable it.
7381        * @hide
7382        */
7383       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7384               "wifi_watchdog_poor_network_test_enabled";
7385
7386       /**
7387        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7388        * needs to be set to 0 to disable it.
7389        * @hide
7390        */
7391       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7392               "wifi_suspend_optimizations_enabled";
7393
7394       /**
7395        * Setting to enable verbose logging in Wi-Fi; disabled by default, and setting to 1
7396        * will enable it. In the future, additional values may be supported.
7397        * @hide
7398        */
7399       public static final String WIFI_VERBOSE_LOGGING_ENABLED =
7400               "wifi_verbose_logging_enabled";
7401
7402       /**
7403        * The maximum number of times we will retry a connection to an access
7404        * point for which we have failed in acquiring an IP address from DHCP.
7405        * A value of N means that we will make N+1 connection attempts in all.
7406        */
7407       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7408
7409       /**
7410        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7411        * data connectivity to be established after a disconnect from Wi-Fi.
7412        */
7413       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7414           "wifi_mobile_data_transition_wakelock_timeout_ms";
7415
7416       /**
7417        * This setting controls whether WiFi configurations created by a Device Owner app
7418        * should be locked down (that is, be editable or removable only by the Device Owner App,
7419        * not even by Settings app).
7420        * This setting takes integer values. Non-zero values mean DO created configurations
7421        * are locked down. Value of zero means they are not. Default value in the absence of
7422        * actual value to this setting is 0.
7423        */
7424       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7425               "wifi_device_owner_configs_lockdown";
7426
7427       /**
7428        * The operational wifi frequency band
7429        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7430        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7431        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7432        *
7433        * @hide
7434        */
7435       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7436
7437       /**
7438        * The Wi-Fi peer-to-peer device name
7439        * @hide
7440        */
7441       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7442
7443       /**
7444        * The min time between wifi disable and wifi enable
7445        * @hide
7446        */
7447       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7448
7449       /**
7450        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7451        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7452        * has been seen in this time period.
7453        *
7454        * If this is less than or equal to zero, we use a more conservative behavior and only check
7455        * for a non-null score from the currently connected or target BSSID.
7456        * @hide
7457        */
7458       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7459               "wifi_ephemeral_out_of_range_timeout_ms";
7460
7461       /**
7462        * The number of milliseconds to delay when checking for data stalls during
7463        * non-aggressive detection. (screen is turned off.)
7464        * @hide
7465        */
7466       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7467               "data_stall_alarm_non_aggressive_delay_in_ms";
7468
7469       /**
7470        * The number of milliseconds to delay when checking for data stalls during
7471        * aggressive detection. (screen on or suspected data stall)
7472        * @hide
7473        */
7474       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7475               "data_stall_alarm_aggressive_delay_in_ms";
7476
7477       /**
7478        * The number of milliseconds to allow the provisioning apn to remain active
7479        * @hide
7480        */
7481       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7482               "provisioning_apn_alarm_delay_in_ms";
7483
7484       /**
7485        * The interval in milliseconds at which to check gprs registration
7486        * after the first registration mismatch of gprs and voice service,
7487        * to detect possible data network registration problems.
7488        *
7489        * @hide
7490        */
7491       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7492               "gprs_register_check_period_ms";
7493
7494       /**
7495        * Nonzero causes Log.wtf() to crash.
7496        * @hide
7497        */
7498       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7499
7500       /**
7501        * Ringer mode. This is used internally, changing this value will not
7502        * change the ringer mode. See AudioManager.
7503        */
7504       public static final String MODE_RINGER = "mode_ringer";
7505
7506       /**
7507        * Overlay display devices setting.
7508        * The associated value is a specially formatted string that describes the
7509        * size and density of simulated secondary display devices.
7510        * <p>
7511        * Format: {width}x{height}/{dpi};...
7512        * </p><p>
7513        * Example:
7514        * <ul>
7515        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7516        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7517        * at 1080p and the second at 720p.</li>
7518        * <li>If the value is empty, then no overlay display devices are created.</li>
7519        * </ul></p>
7520        *
7521        * @hide
7522        */
7523       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7524
7525        /**
7526         * Threshold values for the duration and level of a discharge cycle,
7527         * under which we log discharge cycle info.
7528         *
7529         * @hide
7530         */
7531        public static final String
7532                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7533
7534        /** @hide */
7535        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7536
7537        /**
7538         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7539         * intents on application crashes and ANRs. If this is disabled, the
7540         * crash/ANR dialog will never display the "Report" button.
7541         * <p>
7542         * Type: int (0 = disallow, 1 = allow)
7543         *
7544         * @hide
7545         */
7546        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7547
7548        /**
7549         * Maximum age of entries kept by {@link DropBoxManager}.
7550         *
7551         * @hide
7552         */
7553        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7554
7555        /**
7556         * Maximum number of entry files which {@link DropBoxManager} will keep
7557         * around.
7558         *
7559         * @hide
7560         */
7561        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7562
7563        /**
7564         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7565         * what.
7566         *
7567         * @hide
7568         */
7569        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7570
7571        /**
7572         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7573         * will use.
7574         *
7575         * @hide
7576         */
7577        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7578
7579        /**
7580         * Percent of total disk which {@link DropBoxManager} will never dip
7581         * into.
7582         *
7583         * @hide
7584         */
7585        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7586
7587        /**
7588         * Prefix for per-tag dropbox disable/enable settings.
7589         *
7590         * @hide
7591         */
7592        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7593
7594        /**
7595         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7596         * prefix of the dropbox tag of the report type. For example,
7597         * "logcat_for_system_server_anr" controls the lines of logcat captured
7598         * with system server ANR reports. 0 to disable.
7599         *
7600         * @hide
7601         */
7602        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7603
7604        /**
7605         * The interval in minutes after which the amount of free storage left
7606         * on the device is logged to the event log
7607         *
7608         * @hide
7609         */
7610        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7611
7612        /**
7613         * Threshold for the amount of change in disk free space required to
7614         * report the amount of free space. Used to prevent spamming the logs
7615         * when the disk free space isn't changing frequently.
7616         *
7617         * @hide
7618         */
7619        public static final String
7620                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7621
7622        /**
7623         * Minimum percentage of free storage on the device that is used to
7624         * determine if the device is running low on storage. The default is 10.
7625         * <p>
7626         * Say this value is set to 10, the device is considered running low on
7627         * storage if 90% or more of the device storage is filled up.
7628         *
7629         * @hide
7630         */
7631        public static final String
7632                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7633
7634        /**
7635         * Maximum byte size of the low storage threshold. This is to ensure
7636         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7637         * overly large threshold for large storage devices. Currently this must
7638         * be less than 2GB. This default is 500MB.
7639         *
7640         * @hide
7641         */
7642        public static final String
7643                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7644
7645        /**
7646         * Minimum bytes of free storage on the device before the data partition
7647         * is considered full. By default, 1 MB is reserved to avoid system-wide
7648         * SQLite disk full exceptions.
7649         *
7650         * @hide
7651         */
7652        public static final String
7653                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7654
7655        /**
7656         * The maximum reconnect delay for short network outages or when the
7657         * network is suspended due to phone use.
7658         *
7659         * @hide
7660         */
7661        public static final String
7662                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7663
7664        /**
7665         * The number of milliseconds to delay before sending out
7666         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7667         *
7668         * @hide
7669         */
7670        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7671
7672
7673        /**
7674         * Network sampling interval, in seconds. We'll generate link information
7675         * about bytes/packets sent and error rates based on data sampled in this interval
7676         *
7677         * @hide
7678         */
7679
7680        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7681                "connectivity_sampling_interval_in_seconds";
7682
7683        /**
7684         * The series of successively longer delays used in retrying to download PAC file.
7685         * Last delay is used between successful PAC downloads.
7686         *
7687         * @hide
7688         */
7689        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7690
7691        /**
7692         * Setting to turn off captive portal detection. Feature is enabled by
7693         * default and the setting needs to be set to 0 to disable it.
7694         *
7695         * @hide
7696         */
7697        public static final String
7698                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7699
7700        /**
7701         * The server used for captive portal detection upon a new conection. A
7702         * 204 response code from the server is used for validation.
7703         *
7704         * @hide
7705         */
7706        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7707
7708        /**
7709         * Whether to use HTTPS for network validation. This is enabled by default and the setting
7710         * needs to be set to 0 to disable it. This setting is a misnomer because captive portals
7711         * don't actually use HTTPS, but it's consistent with the other settings.
7712         *
7713         * @hide
7714         */
7715        public static final String CAPTIVE_PORTAL_USE_HTTPS = "captive_portal_use_https";
7716
7717        /**
7718         * Whether network service discovery is enabled.
7719         *
7720         * @hide
7721         */
7722        public static final String NSD_ON = "nsd_on";
7723
7724        /**
7725         * Let user pick default install location.
7726         *
7727         * @hide
7728         */
7729        public static final String SET_INSTALL_LOCATION = "set_install_location";
7730
7731        /**
7732         * Default install location value.
7733         * 0 = auto, let system decide
7734         * 1 = internal
7735         * 2 = sdcard
7736         * @hide
7737         */
7738        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7739
7740        /**
7741         * ms during which to consume extra events related to Inet connection
7742         * condition after a transtion to fully-connected
7743         *
7744         * @hide
7745         */
7746        public static final String
7747                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7748
7749        /**
7750         * ms during which to consume extra events related to Inet connection
7751         * condtion after a transtion to partly-connected
7752         *
7753         * @hide
7754         */
7755        public static final String
7756                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7757
7758        /** {@hide} */
7759        public static final String
7760                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7761
7762        /**
7763         * Host name and port for global http proxy. Uses ':' seperator for
7764         * between host and port.
7765         */
7766        public static final String HTTP_PROXY = "http_proxy";
7767
7768        /**
7769         * Host name for global http proxy. Set via ConnectivityManager.
7770         *
7771         * @hide
7772         */
7773        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7774
7775        /**
7776         * Integer host port for global http proxy. Set via ConnectivityManager.
7777         *
7778         * @hide
7779         */
7780        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7781
7782        /**
7783         * Exclusion list for global proxy. This string contains a list of
7784         * comma-separated domains where the global proxy does not apply.
7785         * Domains should be listed in a comma- separated list. Example of
7786         * acceptable formats: ".domain1.com,my.domain2.com" Use
7787         * ConnectivityManager to set/get.
7788         *
7789         * @hide
7790         */
7791        public static final String
7792                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7793
7794        /**
7795         * The location PAC File for the proxy.
7796         * @hide
7797         */
7798        public static final String
7799                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7800
7801        /**
7802         * Enables the UI setting to allow the user to specify the global HTTP
7803         * proxy and associated exclusion list.
7804         *
7805         * @hide
7806         */
7807        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7808
7809        /**
7810         * Setting for default DNS in case nobody suggests one
7811         *
7812         * @hide
7813         */
7814        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7815
7816        /** {@hide} */
7817        public static final String
7818                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7819        /** {@hide} */
7820        public static final String
7821                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7822        /** {@hide} */
7823        public static final String
7824                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7825        /** {@hide} */
7826        public static final String
7827                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7828        /** {@hide} */
7829        public static final String
7830                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7831        /** {@hide} */
7832        public static final String
7833                BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX = "bluetooth_pbap_client_priority_";
7834        /** {@hide} */
7835        public static final String
7836                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7837
7838        /**
7839         * Device Idle (Doze) specific settings.
7840         * This is encoded as a key=value list, separated by commas. Ex:
7841         *
7842         * "inactive_timeout=60000,sensing_timeout=400000"
7843         *
7844         * The following keys are supported:
7845         *
7846         * <pre>
7847         * inactive_to                      (long)
7848         * sensing_to                       (long)
7849         * motion_inactive_to               (long)
7850         * idle_after_inactive_to           (long)
7851         * idle_pending_to                  (long)
7852         * max_idle_pending_to              (long)
7853         * idle_pending_factor              (float)
7854         * idle_to                          (long)
7855         * max_idle_to                      (long)
7856         * idle_factor                      (float)
7857         * min_time_to_alarm                (long)
7858         * max_temp_app_whitelist_duration  (long)
7859         * </pre>
7860         *
7861         * <p>
7862         * Type: string
7863         * @hide
7864         * @see com.android.server.DeviceIdleController.Constants
7865         */
7866        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7867
7868        /**
7869         * Device Idle (Doze) specific settings for watches. See {@code #DEVICE_IDLE_CONSTANTS}
7870         *
7871         * <p>
7872         * Type: string
7873         * @hide
7874         * @see com.android.server.DeviceIdleController.Constants
7875         */
7876        public static final String DEVICE_IDLE_CONSTANTS_WATCH = "device_idle_constants_watch";
7877
7878        /**
7879         * App standby (app idle) specific settings.
7880         * This is encoded as a key=value list, separated by commas. Ex:
7881         *
7882         * "idle_duration=5000,parole_interval=4500"
7883         *
7884         * The following keys are supported:
7885         *
7886         * <pre>
7887         * idle_duration2       (long)
7888         * wallclock_threshold  (long)
7889         * parole_interval      (long)
7890         * parole_duration      (long)
7891         *
7892         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7893         * </pre>
7894         *
7895         * <p>
7896         * Type: string
7897         * @hide
7898         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7899         */
7900        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7901
7902        /**
7903         * Alarm manager specific settings.
7904         * This is encoded as a key=value list, separated by commas. Ex:
7905         *
7906         * "min_futurity=5000,allow_while_idle_short_time=4500"
7907         *
7908         * The following keys are supported:
7909         *
7910         * <pre>
7911         * min_futurity                         (long)
7912         * min_interval                         (long)
7913         * allow_while_idle_short_time          (long)
7914         * allow_while_idle_long_time           (long)
7915         * allow_while_idle_whitelist_duration  (long)
7916         * </pre>
7917         *
7918         * <p>
7919         * Type: string
7920         * @hide
7921         * @see com.android.server.AlarmManagerService.Constants
7922         */
7923        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7924
7925        /**
7926         * ShortcutManager specific settings.
7927         * This is encoded as a key=value list, separated by commas. Ex:
7928         *
7929         * "reset_interval_sec=86400,max_updates_per_interval=1"
7930         *
7931         * The following keys are supported:
7932         *
7933         * <pre>
7934         * reset_interval_sec              (long)
7935         * max_updates_per_interval        (int)
7936         * max_icon_dimension_dp           (int, DP)
7937         * max_icon_dimension_dp_lowram    (int, DP)
7938         * max_shortcuts                   (int)
7939         * icon_quality                    (int, 0-100)
7940         * icon_format                     (String)
7941         * </pre>
7942         *
7943         * <p>
7944         * Type: string
7945         * @hide
7946         * @see com.android.server.pm.ShortcutService.ConfigConstants
7947         */
7948        public static final String SHORTCUT_MANAGER_CONSTANTS = "shortcut_manager_constants";
7949
7950        /**
7951         * Get the key that retrieves a bluetooth headset's priority.
7952         * @hide
7953         */
7954        public static final String getBluetoothHeadsetPriorityKey(String address) {
7955            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7956        }
7957
7958        /**
7959         * Get the key that retrieves a bluetooth a2dp sink's priority.
7960         * @hide
7961         */
7962        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7963            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7964        }
7965
7966        /**
7967         * Get the key that retrieves a bluetooth a2dp src's priority.
7968         * @hide
7969         */
7970        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
7971            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7972        }
7973
7974        /**
7975         * Get the key that retrieves a bluetooth Input Device's priority.
7976         * @hide
7977         */
7978        public static final String getBluetoothInputDevicePriorityKey(String address) {
7979            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7980        }
7981
7982        /**
7983         * Get the key that retrieves a bluetooth map priority.
7984         * @hide
7985         */
7986        public static final String getBluetoothMapPriorityKey(String address) {
7987            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7988        }
7989
7990        /**
7991         * Get the key that retrieves a bluetooth pbap client priority.
7992         * @hide
7993         */
7994        public static final String getBluetoothPbapClientPriorityKey(String address) {
7995            return BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7996        }
7997
7998        /**
7999         * Get the key that retrieves a bluetooth map priority.
8000         * @hide
8001         */
8002        public static final String getBluetoothSapPriorityKey(String address) {
8003            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
8004        }
8005
8006        /**
8007         * Scaling factor for normal window animations. Setting to 0 will
8008         * disable window animations.
8009         */
8010        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
8011
8012        /**
8013         * Scaling factor for activity transition animations. Setting to 0 will
8014         * disable window animations.
8015         */
8016        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
8017
8018        /**
8019         * Scaling factor for Animator-based animations. This affects both the
8020         * start delay and duration of all such animations. Setting to 0 will
8021         * cause animations to end immediately. The default value is 1.
8022         */
8023        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
8024
8025        /**
8026         * Scaling factor for normal window animations. Setting to 0 will
8027         * disable window animations.
8028         *
8029         * @hide
8030         */
8031        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
8032
8033        /**
8034         * If 0, the compatibility mode is off for all applications.
8035         * If 1, older applications run under compatibility mode.
8036         * TODO: remove this settings before code freeze (bug/1907571)
8037         * @hide
8038         */
8039        public static final String COMPATIBILITY_MODE = "compatibility_mode";
8040
8041        /**
8042         * CDMA only settings
8043         * Emergency Tone  0 = Off
8044         *                 1 = Alert
8045         *                 2 = Vibrate
8046         * @hide
8047         */
8048        public static final String EMERGENCY_TONE = "emergency_tone";
8049
8050        /**
8051         * CDMA only settings
8052         * Whether the auto retry is enabled. The value is
8053         * boolean (1 or 0).
8054         * @hide
8055         */
8056        public static final String CALL_AUTO_RETRY = "call_auto_retry";
8057
8058        /**
8059         * See RIL_PreferredNetworkType in ril.h
8060         * @hide
8061         */
8062        public static final String PREFERRED_NETWORK_MODE =
8063                "preferred_network_mode";
8064
8065        /**
8066         * Name of an application package to be debugged.
8067         */
8068        public static final String DEBUG_APP = "debug_app";
8069
8070        /**
8071         * If 1, when launching DEBUG_APP it will wait for the debugger before
8072         * starting user code.  If 0, it will run normally.
8073         */
8074        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
8075
8076        /**
8077         * Control whether the process CPU usage meter should be shown.
8078         */
8079        public static final String SHOW_PROCESSES = "show_processes";
8080
8081        /**
8082         * If 1 low power mode is enabled.
8083         * @hide
8084         */
8085        public static final String LOW_POWER_MODE = "low_power";
8086
8087        /**
8088         * Battery level [1-99] at which low power mode automatically turns on.
8089         * If 0, it will not automatically turn on.
8090         * @hide
8091         */
8092        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
8093
8094         /**
8095         * If not 0, the activity manager will aggressively finish activities and
8096         * processes as soon as they are no longer needed.  If 0, the normal
8097         * extended lifetime is used.
8098         */
8099        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
8100
8101        /**
8102         * @hide
8103         * If not 0, the activity manager will implement a looser version of background
8104         * check that is more compatible with existing apps.
8105         */
8106        public static final String LENIENT_BACKGROUND_CHECK = "lenient_background_check";
8107
8108        /**
8109         * Use Dock audio output for media:
8110         *      0 = disabled
8111         *      1 = enabled
8112         * @hide
8113         */
8114        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
8115
8116        /**
8117         * The surround sound formats AC3, DTS or IEC61937 are
8118         * available for use if they are detected.
8119         * This is the default mode.
8120         *
8121         * Note that AUTO is equivalent to ALWAYS for Android TVs and other
8122         * devices that have an S/PDIF output. This is because S/PDIF
8123         * is unidirectional and the TV cannot know if a decoder is
8124         * connected. So it assumes they are always available.
8125         * @hide
8126         */
8127         public static final int ENCODED_SURROUND_OUTPUT_AUTO = 0;
8128
8129        /**
8130         * AC3, DTS or IEC61937 are NEVER available, even if they
8131         * are detected by the hardware. Those formats will not be
8132         * reported.
8133         *
8134         * An example use case would be an AVR reports that it is capable of
8135         * surround sound decoding but is broken. If NEVER is chosen
8136         * then apps must use PCM output instead of encoded output.
8137         * @hide
8138         */
8139         public static final int ENCODED_SURROUND_OUTPUT_NEVER = 1;
8140
8141        /**
8142         * AC3, DTS or IEC61937 are ALWAYS available, even if they
8143         * are not detected by the hardware. Those formats will be
8144         * reported as part of the HDMI output capability. Applications
8145         * are then free to use either PCM or encoded output.
8146         *
8147         * An example use case would be a when TV was connected over
8148         * TOS-link to an AVR. But the TV could not see it because TOS-link
8149         * is unidirectional.
8150         * @hide
8151         */
8152         public static final int ENCODED_SURROUND_OUTPUT_ALWAYS = 2;
8153
8154        /**
8155         * Set to ENCODED_SURROUND_OUTPUT_AUTO,
8156         * ENCODED_SURROUND_OUTPUT_NEVER or
8157         * ENCODED_SURROUND_OUTPUT_ALWAYS
8158         * @hide
8159         */
8160        public static final String ENCODED_SURROUND_OUTPUT = "encoded_surround_output";
8161
8162        /**
8163         * Persisted safe headphone volume management state by AudioService
8164         * @hide
8165         */
8166        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
8167
8168        /**
8169         * URL for tzinfo (time zone) updates
8170         * @hide
8171         */
8172        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
8173
8174        /**
8175         * URL for tzinfo (time zone) update metadata
8176         * @hide
8177         */
8178        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
8179
8180        /**
8181         * URL for selinux (mandatory access control) updates
8182         * @hide
8183         */
8184        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
8185
8186        /**
8187         * URL for selinux (mandatory access control) update metadata
8188         * @hide
8189         */
8190        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
8191
8192        /**
8193         * URL for sms short code updates
8194         * @hide
8195         */
8196        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
8197                "sms_short_codes_content_url";
8198
8199        /**
8200         * URL for sms short code update metadata
8201         * @hide
8202         */
8203        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
8204                "sms_short_codes_metadata_url";
8205
8206        /**
8207         * URL for apn_db updates
8208         * @hide
8209         */
8210        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
8211
8212        /**
8213         * URL for apn_db update metadata
8214         * @hide
8215         */
8216        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
8217
8218        /**
8219         * URL for cert pinlist updates
8220         * @hide
8221         */
8222        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
8223
8224        /**
8225         * URL for cert pinlist updates
8226         * @hide
8227         */
8228        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
8229
8230        /**
8231         * URL for intent firewall updates
8232         * @hide
8233         */
8234        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
8235                "intent_firewall_content_url";
8236
8237        /**
8238         * URL for intent firewall update metadata
8239         * @hide
8240         */
8241        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
8242                "intent_firewall_metadata_url";
8243
8244        /**
8245         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
8246         * @hide
8247         */
8248        public static final String SELINUX_STATUS = "selinux_status";
8249
8250        /**
8251         * Developer setting to force RTL layout.
8252         * @hide
8253         */
8254        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
8255
8256        /**
8257         * Milliseconds after screen-off after which low battery sounds will be silenced.
8258         *
8259         * If zero, battery sounds will always play.
8260         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
8261         *
8262         * @hide
8263         */
8264        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
8265
8266        /**
8267         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
8268         * the caller is done with this, they should call {@link ContentResolver#delete} to
8269         * clean up any value that they may have written.
8270         *
8271         * @hide
8272         */
8273        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
8274
8275        /**
8276         * Defines global runtime overrides to window policy.
8277         *
8278         * See {@link com.android.server.policy.PolicyControl} for value format.
8279         *
8280         * @hide
8281         */
8282        public static final String POLICY_CONTROL = "policy_control";
8283
8284        /**
8285         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
8286         * or ZEN_MODE_NO_INTERRUPTIONS.
8287         *
8288         * @hide
8289         */
8290        public static final String ZEN_MODE = "zen_mode";
8291
8292        /** @hide */ public static final int ZEN_MODE_OFF = 0;
8293        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
8294        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
8295        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
8296
8297        /** @hide */ public static String zenModeToString(int mode) {
8298            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
8299            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
8300            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
8301            return "ZEN_MODE_OFF";
8302        }
8303
8304        /** @hide */ public static boolean isValidZenMode(int value) {
8305            switch (value) {
8306                case Global.ZEN_MODE_OFF:
8307                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
8308                case Global.ZEN_MODE_ALARMS:
8309                case Global.ZEN_MODE_NO_INTERRUPTIONS:
8310                    return true;
8311                default:
8312                    return false;
8313            }
8314        }
8315
8316        /**
8317         * Value of the ringer before entering zen mode.
8318         *
8319         * @hide
8320         */
8321        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
8322
8323        /**
8324         * Opaque value, changes when persisted zen mode configuration changes.
8325         *
8326         * @hide
8327         */
8328        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
8329
8330        /**
8331         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
8332         *
8333         * @hide
8334         */
8335        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
8336                "heads_up_notifications_enabled";
8337
8338        /** @hide */ public static final int HEADS_UP_OFF = 0;
8339        /** @hide */ public static final int HEADS_UP_ON = 1;
8340
8341        /**
8342         * The name of the device
8343         *
8344         * @hide
8345         */
8346        public static final String DEVICE_NAME = "device_name";
8347
8348        /**
8349         * Whether the NetworkScoringService has been first initialized.
8350         * <p>
8351         * Type: int (0 for false, 1 for true)
8352         * @hide
8353         */
8354        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
8355
8356        /**
8357         * Whether the user wants to be prompted for password to decrypt the device on boot.
8358         * This only matters if the storage is encrypted.
8359         * <p>
8360         * Type: int (0 for false, 1 for true)
8361         * @hide
8362         */
8363        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
8364
8365        /**
8366         * Whether the Volte is enabled
8367         * <p>
8368         * Type: int (0 for false, 1 for true)
8369         * @hide
8370         */
8371        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
8372
8373        /**
8374         * Whether VT (Video Telephony over IMS) is enabled
8375         * <p>
8376         * Type: int (0 for false, 1 for true)
8377         *
8378         * @hide
8379         */
8380        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
8381
8382        /**
8383         * Whether WFC is enabled
8384         * <p>
8385         * Type: int (0 for false, 1 for true)
8386         *
8387         * @hide
8388         */
8389        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
8390
8391        /**
8392         * WFC Mode.
8393         * <p>
8394         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
8395         *
8396         * @hide
8397         */
8398        public static final String WFC_IMS_MODE = "wfc_ims_mode";
8399
8400        /**
8401         * Whether WFC roaming is enabled
8402         * <p>
8403         * Type: int (0 for false, 1 for true)
8404         *
8405         * @hide
8406         */
8407        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
8408
8409        /**
8410         * Whether user can enable/disable LTE as a preferred network. A carrier might control
8411         * this via gservices, OMA-DM, carrier app, etc.
8412         * <p>
8413         * Type: int (0 for false, 1 for true)
8414         * @hide
8415         */
8416        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
8417
8418        /**
8419         * Ephemeral app cookie max size in bytes.
8420         * <p>
8421         * Type: int
8422         * @hide
8423         */
8424        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
8425                "ephemeral_cookie_max_size_bytes";
8426
8427        /**
8428         * The duration for caching uninstalled ephemeral apps.
8429         * <p>
8430         * Type: long
8431         * @hide
8432         */
8433        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8434                "uninstalled_ephemeral_app_cache_duration_millis";
8435
8436        /**
8437         * Allows switching users when system user is locked.
8438         * <p>
8439         * Type: int
8440         * @hide
8441         */
8442        public static final String ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED =
8443                "allow_user_switching_when_system_user_locked";
8444
8445        /**
8446         * Boot count since the device starts running APK level 24.
8447         * <p>
8448         * Type: int
8449         */
8450        public static final String BOOT_COUNT = "boot_count";
8451
8452        /**
8453         * Whether the safe boot is disallowed.
8454         *
8455         * <p>This setting should have the identical value as the corresponding user restriction.
8456         * The purpose of the setting is to make the restriction available in early boot stages
8457         * before the user restrictions are loaded.
8458         * @hide
8459         */
8460        public static final String SAFE_BOOT_DISALLOWED = "safe_boot_disallowed";
8461
8462        /**
8463         * Settings to backup. This is here so that it's in the same place as the settings
8464         * keys and easy to update.
8465         *
8466         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8467         * and Secure as well.  This is because those tables drive both backup and
8468         * restore, and restore needs to properly whitelist keys that used to live
8469         * in those namespaces.  The keys will only actually be backed up / restored
8470         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8471         *
8472         * NOTE: Settings are backed up and restored in the order they appear
8473         *       in this array. If you have one setting depending on another,
8474         *       make sure that they are ordered appropriately.
8475         *
8476         * @hide
8477         */
8478        public static final String[] SETTINGS_TO_BACKUP = {
8479            BUGREPORT_IN_POWER_MENU,
8480            STAY_ON_WHILE_PLUGGED_IN,
8481            AUTO_TIME,
8482            AUTO_TIME_ZONE,
8483            POWER_SOUNDS_ENABLED,
8484            DOCK_SOUNDS_ENABLED,
8485            CHARGING_SOUNDS_ENABLED,
8486            USB_MASS_STORAGE_ENABLED,
8487            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8488            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8489            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8490            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8491            WIFI_NUM_OPEN_NETWORKS_KEPT,
8492            EMERGENCY_TONE,
8493            CALL_AUTO_RETRY,
8494            DOCK_AUDIO_MEDIA_ENABLED,
8495            ENCODED_SURROUND_OUTPUT,
8496            LOW_POWER_MODE_TRIGGER_LEVEL
8497        };
8498
8499        // Populated lazily, guarded by class object:
8500        private static NameValueCache sNameValueCache = new NameValueCache(
8501                    CONTENT_URI,
8502                    CALL_METHOD_GET_GLOBAL,
8503                    CALL_METHOD_PUT_GLOBAL);
8504
8505        // Certain settings have been moved from global to the per-user secure namespace
8506        private static final HashSet<String> MOVED_TO_SECURE;
8507        static {
8508            MOVED_TO_SECURE = new HashSet<String>(1);
8509            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8510        }
8511
8512        /** @hide */
8513        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8514            outKeySet.addAll(MOVED_TO_SECURE);
8515        }
8516
8517        /**
8518         * Look up a name in the database.
8519         * @param resolver to access the database with
8520         * @param name to look up in the table
8521         * @return the corresponding value, or null if not present
8522         */
8523        public static String getString(ContentResolver resolver, String name) {
8524            return getStringForUser(resolver, name, UserHandle.myUserId());
8525        }
8526
8527        /** @hide */
8528        public static String getStringForUser(ContentResolver resolver, String name,
8529                int userHandle) {
8530            if (MOVED_TO_SECURE.contains(name)) {
8531                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8532                        + " to android.provider.Settings.Secure, returning read-only value.");
8533                return Secure.getStringForUser(resolver, name, userHandle);
8534            }
8535            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8536        }
8537
8538        /**
8539         * Store a name/value pair into the database.
8540         * @param resolver to access the database with
8541         * @param name to store
8542         * @param value to associate with the name
8543         * @return true if the value was set, false on database errors
8544         */
8545        public static boolean putString(ContentResolver resolver,
8546                String name, String value) {
8547            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8548        }
8549
8550        /** @hide */
8551        public static boolean putStringForUser(ContentResolver resolver,
8552                String name, String value, int userHandle) {
8553            if (LOCAL_LOGV) {
8554                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8555                        + " for " + userHandle);
8556            }
8557            // Global and Secure have the same access policy so we can forward writes
8558            if (MOVED_TO_SECURE.contains(name)) {
8559                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8560                        + " to android.provider.Settings.Secure, value is unchanged.");
8561                return Secure.putStringForUser(resolver, name, value, userHandle);
8562            }
8563            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8564        }
8565
8566        /**
8567         * Construct the content URI for a particular name/value pair,
8568         * useful for monitoring changes with a ContentObserver.
8569         * @param name to look up in the table
8570         * @return the corresponding content URI, or null if not present
8571         */
8572        public static Uri getUriFor(String name) {
8573            return getUriFor(CONTENT_URI, name);
8574        }
8575
8576        /**
8577         * Convenience function for retrieving a single secure settings value
8578         * as an integer.  Note that internally setting values are always
8579         * stored as strings; this function converts the string to an integer
8580         * for you.  The default value will be returned if the setting is
8581         * not defined or not an integer.
8582         *
8583         * @param cr The ContentResolver to access.
8584         * @param name The name of the setting to retrieve.
8585         * @param def Value to return if the setting is not defined.
8586         *
8587         * @return The setting's current value, or 'def' if it is not defined
8588         * or not a valid integer.
8589         */
8590        public static int getInt(ContentResolver cr, String name, int def) {
8591            String v = getString(cr, name);
8592            try {
8593                return v != null ? Integer.parseInt(v) : def;
8594            } catch (NumberFormatException e) {
8595                return def;
8596            }
8597        }
8598
8599        /**
8600         * Convenience function for retrieving a single secure settings value
8601         * as an integer.  Note that internally setting values are always
8602         * stored as strings; this function converts the string to an integer
8603         * for you.
8604         * <p>
8605         * This version does not take a default value.  If the setting has not
8606         * been set, or the string value is not a number,
8607         * it throws {@link SettingNotFoundException}.
8608         *
8609         * @param cr The ContentResolver to access.
8610         * @param name The name of the setting to retrieve.
8611         *
8612         * @throws SettingNotFoundException Thrown if a setting by the given
8613         * name can't be found or the setting value is not an integer.
8614         *
8615         * @return The setting's current value.
8616         */
8617        public static int getInt(ContentResolver cr, String name)
8618                throws SettingNotFoundException {
8619            String v = getString(cr, name);
8620            try {
8621                return Integer.parseInt(v);
8622            } catch (NumberFormatException e) {
8623                throw new SettingNotFoundException(name);
8624            }
8625        }
8626
8627        /**
8628         * Convenience function for updating a single settings value as an
8629         * integer. This will either create a new entry in the table if the
8630         * given name does not exist, or modify the value of the existing row
8631         * with that name.  Note that internally setting values are always
8632         * stored as strings, so this function converts the given value to a
8633         * string before storing it.
8634         *
8635         * @param cr The ContentResolver to access.
8636         * @param name The name of the setting to modify.
8637         * @param value The new value for the setting.
8638         * @return true if the value was set, false on database errors
8639         */
8640        public static boolean putInt(ContentResolver cr, String name, int value) {
8641            return putString(cr, name, Integer.toString(value));
8642        }
8643
8644        /**
8645         * Convenience function for retrieving a single secure settings value
8646         * as a {@code long}.  Note that internally setting values are always
8647         * stored as strings; this function converts the string to a {@code long}
8648         * for you.  The default value will be returned if the setting is
8649         * not defined or not a {@code long}.
8650         *
8651         * @param cr The ContentResolver to access.
8652         * @param name The name of the setting to retrieve.
8653         * @param def Value to return if the setting is not defined.
8654         *
8655         * @return The setting's current value, or 'def' if it is not defined
8656         * or not a valid {@code long}.
8657         */
8658        public static long getLong(ContentResolver cr, String name, long def) {
8659            String valString = getString(cr, name);
8660            long value;
8661            try {
8662                value = valString != null ? Long.parseLong(valString) : def;
8663            } catch (NumberFormatException e) {
8664                value = def;
8665            }
8666            return value;
8667        }
8668
8669        /**
8670         * Convenience function for retrieving a single secure settings value
8671         * as a {@code long}.  Note that internally setting values are always
8672         * stored as strings; this function converts the string to a {@code long}
8673         * for you.
8674         * <p>
8675         * This version does not take a default value.  If the setting has not
8676         * been set, or the string value is not a number,
8677         * it throws {@link SettingNotFoundException}.
8678         *
8679         * @param cr The ContentResolver to access.
8680         * @param name The name of the setting to retrieve.
8681         *
8682         * @return The setting's current value.
8683         * @throws SettingNotFoundException Thrown if a setting by the given
8684         * name can't be found or the setting value is not an integer.
8685         */
8686        public static long getLong(ContentResolver cr, String name)
8687                throws SettingNotFoundException {
8688            String valString = getString(cr, name);
8689            try {
8690                return Long.parseLong(valString);
8691            } catch (NumberFormatException e) {
8692                throw new SettingNotFoundException(name);
8693            }
8694        }
8695
8696        /**
8697         * Convenience function for updating a secure settings value as a long
8698         * integer. This will either create a new entry in the table if the
8699         * given name does not exist, or modify the value of the existing row
8700         * with that name.  Note that internally setting values are always
8701         * stored as strings, so this function converts the given value to a
8702         * string before storing it.
8703         *
8704         * @param cr The ContentResolver to access.
8705         * @param name The name of the setting to modify.
8706         * @param value The new value for the setting.
8707         * @return true if the value was set, false on database errors
8708         */
8709        public static boolean putLong(ContentResolver cr, String name, long value) {
8710            return putString(cr, name, Long.toString(value));
8711        }
8712
8713        /**
8714         * Convenience function for retrieving a single secure settings value
8715         * as a floating point number.  Note that internally setting values are
8716         * always stored as strings; this function converts the string to an
8717         * float for you. The default value will be returned if the setting
8718         * is not defined or not a valid float.
8719         *
8720         * @param cr The ContentResolver to access.
8721         * @param name The name of the setting to retrieve.
8722         * @param def Value to return if the setting is not defined.
8723         *
8724         * @return The setting's current value, or 'def' if it is not defined
8725         * or not a valid float.
8726         */
8727        public static float getFloat(ContentResolver cr, String name, float def) {
8728            String v = getString(cr, name);
8729            try {
8730                return v != null ? Float.parseFloat(v) : def;
8731            } catch (NumberFormatException e) {
8732                return def;
8733            }
8734        }
8735
8736        /**
8737         * Convenience function for retrieving a single secure settings value
8738         * as a float.  Note that internally setting values are always
8739         * stored as strings; this function converts the string to a float
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         * @throws SettingNotFoundException Thrown if a setting by the given
8750         * name can't be found or the setting value is not a float.
8751         *
8752         * @return The setting's current value.
8753         */
8754        public static float getFloat(ContentResolver cr, String name)
8755                throws SettingNotFoundException {
8756            String v = getString(cr, name);
8757            if (v == null) {
8758                throw new SettingNotFoundException(name);
8759            }
8760            try {
8761                return Float.parseFloat(v);
8762            } catch (NumberFormatException e) {
8763                throw new SettingNotFoundException(name);
8764            }
8765        }
8766
8767        /**
8768         * Convenience function for updating a single settings value as a
8769         * floating point number. This will either create a new entry in the
8770         * table if the given name does not exist, or modify the value of the
8771         * existing row with that name.  Note that internally setting values
8772         * are always stored as strings, so this function converts the given
8773         * value to a string before storing it.
8774         *
8775         * @param cr The ContentResolver to access.
8776         * @param name The name of the setting to modify.
8777         * @param value The new value for the setting.
8778         * @return true if the value was set, false on database errors
8779         */
8780        public static boolean putFloat(ContentResolver cr, String name, float value) {
8781            return putString(cr, name, Float.toString(value));
8782        }
8783
8784
8785        /**
8786          * Subscription to be used for voice call on a multi sim device. The supported values
8787          * are 0 = SUB1, 1 = SUB2 and etc.
8788          * @hide
8789          */
8790        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8791
8792        /**
8793          * Used to provide option to user to select subscription during dial.
8794          * The supported values are 0 = disable or 1 = enable prompt.
8795          * @hide
8796          */
8797        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8798
8799        /**
8800          * Subscription to be used for data call on a multi sim device. The supported values
8801          * are 0 = SUB1, 1 = SUB2 and etc.
8802          * @hide
8803          */
8804        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8805
8806        /**
8807          * Subscription to be used for SMS on a multi sim device. The supported values
8808          * are 0 = SUB1, 1 = SUB2 and etc.
8809          * @hide
8810          */
8811        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8812
8813       /**
8814          * Used to provide option to user to select subscription during send SMS.
8815          * The value 1 - enable, 0 - disable
8816          * @hide
8817          */
8818        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8819
8820
8821
8822        /** User preferred subscriptions setting.
8823          * This holds the details of the user selected subscription from the card and
8824          * the activation status. Each settings string have the coma separated values
8825          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8826          * @hide
8827         */
8828        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8829                "user_preferred_sub2","user_preferred_sub3"};
8830
8831        /**
8832         * Whether to enable new contacts aggregator or not.
8833         * The value 1 - enable, 0 - disable
8834         * @hide
8835         */
8836        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8837
8838        /**
8839         * Whether to enable contacts metadata syncing or not
8840         * The value 1 - enable, 0 - disable
8841         */
8842        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8843
8844        /**
8845         * Whether to enable cellular on boot.
8846         * The value 1 - enable, 0 - disable
8847         * @hide
8848         */
8849        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8850    }
8851
8852    /**
8853     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8854     * Intent URL, allowing it to be either a web page or a particular
8855     * application activity.
8856     *
8857     * @hide
8858     */
8859    public static final class Bookmarks implements BaseColumns
8860    {
8861        private static final String TAG = "Bookmarks";
8862
8863        /**
8864         * The content:// style URL for this table
8865         */
8866        public static final Uri CONTENT_URI =
8867            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8868
8869        /**
8870         * The row ID.
8871         * <p>Type: INTEGER</p>
8872         */
8873        public static final String ID = "_id";
8874
8875        /**
8876         * Descriptive name of the bookmark that can be displayed to the user.
8877         * If this is empty, the title should be resolved at display time (use
8878         * {@link #getTitle(Context, Cursor)} any time you want to display the
8879         * title of a bookmark.)
8880         * <P>
8881         * Type: TEXT
8882         * </P>
8883         */
8884        public static final String TITLE = "title";
8885
8886        /**
8887         * Arbitrary string (displayed to the user) that allows bookmarks to be
8888         * organized into categories.  There are some special names for
8889         * standard folders, which all start with '@'.  The label displayed for
8890         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8891         * the folder name does not change so you can consistently query for
8892         * the folder regardless of the current locale.
8893         *
8894         * <P>Type: TEXT</P>
8895         *
8896         */
8897        public static final String FOLDER = "folder";
8898
8899        /**
8900         * The Intent URL of the bookmark, describing what it points to.  This
8901         * value is given to {@link android.content.Intent#getIntent} to create
8902         * an Intent that can be launched.
8903         * <P>Type: TEXT</P>
8904         */
8905        public static final String INTENT = "intent";
8906
8907        /**
8908         * Optional shortcut character associated with this bookmark.
8909         * <P>Type: INTEGER</P>
8910         */
8911        public static final String SHORTCUT = "shortcut";
8912
8913        /**
8914         * The order in which the bookmark should be displayed
8915         * <P>Type: INTEGER</P>
8916         */
8917        public static final String ORDERING = "ordering";
8918
8919        private static final String[] sIntentProjection = { INTENT };
8920        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8921        private static final String sShortcutSelection = SHORTCUT + "=?";
8922
8923        /**
8924         * Convenience function to retrieve the bookmarked Intent for a
8925         * particular shortcut key.
8926         *
8927         * @param cr The ContentResolver to query.
8928         * @param shortcut The shortcut key.
8929         *
8930         * @return Intent The bookmarked URL, or null if there is no bookmark
8931         *         matching the given shortcut.
8932         */
8933        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8934        {
8935            Intent intent = null;
8936
8937            Cursor c = cr.query(CONTENT_URI,
8938                    sIntentProjection, sShortcutSelection,
8939                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8940            // Keep trying until we find a valid shortcut
8941            try {
8942                while (intent == null && c.moveToNext()) {
8943                    try {
8944                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8945                        intent = Intent.parseUri(intentURI, 0);
8946                    } catch (java.net.URISyntaxException e) {
8947                        // The stored URL is bad...  ignore it.
8948                    } catch (IllegalArgumentException e) {
8949                        // Column not found
8950                        Log.w(TAG, "Intent column not found", e);
8951                    }
8952                }
8953            } finally {
8954                if (c != null) c.close();
8955            }
8956
8957            return intent;
8958        }
8959
8960        /**
8961         * Add a new bookmark to the system.
8962         *
8963         * @param cr The ContentResolver to query.
8964         * @param intent The desired target of the bookmark.
8965         * @param title Bookmark title that is shown to the user; null if none
8966         *            or it should be resolved to the intent's title.
8967         * @param folder Folder in which to place the bookmark; null if none.
8968         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8969         *            this is non-zero and there is an existing bookmark entry
8970         *            with this same shortcut, then that existing shortcut is
8971         *            cleared (the bookmark is not removed).
8972         * @return The unique content URL for the new bookmark entry.
8973         */
8974        public static Uri add(ContentResolver cr,
8975                                           Intent intent,
8976                                           String title,
8977                                           String folder,
8978                                           char shortcut,
8979                                           int ordering)
8980        {
8981            // If a shortcut is supplied, and it is already defined for
8982            // another bookmark, then remove the old definition.
8983            if (shortcut != 0) {
8984                cr.delete(CONTENT_URI, sShortcutSelection,
8985                        new String[] { String.valueOf((int) shortcut) });
8986            }
8987
8988            ContentValues values = new ContentValues();
8989            if (title != null) values.put(TITLE, title);
8990            if (folder != null) values.put(FOLDER, folder);
8991            values.put(INTENT, intent.toUri(0));
8992            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8993            values.put(ORDERING, ordering);
8994            return cr.insert(CONTENT_URI, values);
8995        }
8996
8997        /**
8998         * Return the folder name as it should be displayed to the user.  This
8999         * takes care of localizing special folders.
9000         *
9001         * @param r Resources object for current locale; only need access to
9002         *          system resources.
9003         * @param folder The value found in the {@link #FOLDER} column.
9004         *
9005         * @return CharSequence The label for this folder that should be shown
9006         *         to the user.
9007         */
9008        public static CharSequence getLabelForFolder(Resources r, String folder) {
9009            return folder;
9010        }
9011
9012        /**
9013         * Return the title as it should be displayed to the user. This takes
9014         * care of localizing bookmarks that point to activities.
9015         *
9016         * @param context A context.
9017         * @param cursor A cursor pointing to the row whose title should be
9018         *        returned. The cursor must contain at least the {@link #TITLE}
9019         *        and {@link #INTENT} columns.
9020         * @return A title that is localized and can be displayed to the user,
9021         *         or the empty string if one could not be found.
9022         */
9023        public static CharSequence getTitle(Context context, Cursor cursor) {
9024            int titleColumn = cursor.getColumnIndex(TITLE);
9025            int intentColumn = cursor.getColumnIndex(INTENT);
9026            if (titleColumn == -1 || intentColumn == -1) {
9027                throw new IllegalArgumentException(
9028                        "The cursor must contain the TITLE and INTENT columns.");
9029            }
9030
9031            String title = cursor.getString(titleColumn);
9032            if (!TextUtils.isEmpty(title)) {
9033                return title;
9034            }
9035
9036            String intentUri = cursor.getString(intentColumn);
9037            if (TextUtils.isEmpty(intentUri)) {
9038                return "";
9039            }
9040
9041            Intent intent;
9042            try {
9043                intent = Intent.parseUri(intentUri, 0);
9044            } catch (URISyntaxException e) {
9045                return "";
9046            }
9047
9048            PackageManager packageManager = context.getPackageManager();
9049            ResolveInfo info = packageManager.resolveActivity(intent, 0);
9050            return info != null ? info.loadLabel(packageManager) : "";
9051        }
9052    }
9053
9054    /**
9055     * Returns the device ID that we should use when connecting to the mobile gtalk server.
9056     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
9057     * from the GoogleLoginService.
9058     *
9059     * @param androidId The Android ID for this device.
9060     * @return The device ID that should be used when connecting to the mobile gtalk server.
9061     * @hide
9062     */
9063    public static String getGTalkDeviceId(long androidId) {
9064        return "android-" + Long.toHexString(androidId);
9065    }
9066
9067    private static final String[] PM_WRITE_SETTINGS = {
9068        android.Manifest.permission.WRITE_SETTINGS
9069    };
9070    private static final String[] PM_CHANGE_NETWORK_STATE = {
9071        android.Manifest.permission.CHANGE_NETWORK_STATE,
9072        android.Manifest.permission.WRITE_SETTINGS
9073    };
9074    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
9075        android.Manifest.permission.SYSTEM_ALERT_WINDOW
9076    };
9077
9078    /**
9079     * Performs a strict and comprehensive check of whether a calling package is allowed to
9080     * write/modify system settings, as the condition differs for pre-M, M+, and
9081     * privileged/preinstalled apps. If the provided uid does not match the
9082     * callingPackage, a negative result will be returned.
9083     * @hide
9084     */
9085    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
9086            String callingPackage, boolean throwException) {
9087        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9088                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9089                PM_WRITE_SETTINGS, false);
9090    }
9091
9092    /**
9093     * Performs a strict and comprehensive check of whether a calling package is allowed to
9094     * write/modify system settings, as the condition differs for pre-M, M+, and
9095     * privileged/preinstalled apps. If the provided uid does not match the
9096     * callingPackage, a negative result will be returned. The caller is expected to have
9097     * the WRITE_SETTINGS permission declared.
9098     *
9099     * Note: if the check is successful, the operation of this app will be updated to the
9100     * current time.
9101     * @hide
9102     */
9103    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
9104            String callingPackage, boolean throwException) {
9105        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9106                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9107                PM_WRITE_SETTINGS, true);
9108    }
9109
9110    /**
9111     * Performs a strict and comprehensive check of whether a calling package is allowed to
9112     * change the state of network, as the condition differs for pre-M, M+, and
9113     * privileged/preinstalled apps. The caller is expected to have either the
9114     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
9115     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
9116     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
9117     * permission and cannot be revoked. See http://b/23597341
9118     *
9119     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
9120     * of this app will be updated to the current time.
9121     * @hide
9122     */
9123    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
9124            String callingPackage, boolean throwException) {
9125        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
9126                == PackageManager.PERMISSION_GRANTED) {
9127            return true;
9128        }
9129        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9130                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
9131                PM_CHANGE_NETWORK_STATE, true);
9132    }
9133
9134    /**
9135     * Performs a strict and comprehensive check of whether a calling package is allowed to
9136     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9137     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9138     * a negative result will be returned.
9139     * @hide
9140     */
9141    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
9142            String callingPackage, boolean throwException) {
9143        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9144                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9145                PM_SYSTEM_ALERT_WINDOW, false);
9146    }
9147
9148    /**
9149     * Performs a strict and comprehensive check of whether a calling package is allowed to
9150     * draw on top of other apps, as the conditions differs for pre-M, M+, and
9151     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
9152     * a negative result will be returned.
9153     *
9154     * Note: if the check is successful, the operation of this app will be updated to the
9155     * current time.
9156     * @hide
9157     */
9158    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
9159            callingPackage, boolean throwException) {
9160        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
9161                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
9162                PM_SYSTEM_ALERT_WINDOW, true);
9163    }
9164
9165    /**
9166     * Helper method to perform a general and comprehensive check of whether an operation that is
9167     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
9168     * OP_WRITE_SETTINGS
9169     * @hide
9170     */
9171    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
9172            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
9173            permissions, boolean makeNote) {
9174        if (callingPackage == null) {
9175            return false;
9176        }
9177
9178        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
9179        int mode = AppOpsManager.MODE_DEFAULT;
9180        if (makeNote) {
9181            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
9182        } else {
9183            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
9184        }
9185
9186        switch (mode) {
9187            case AppOpsManager.MODE_ALLOWED:
9188                return true;
9189
9190            case AppOpsManager.MODE_DEFAULT:
9191                // this is the default operating mode after an app's installation
9192                // In this case we will check all associated static permission to see
9193                // if it is granted during install time.
9194                for (String permission : permissions) {
9195                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
9196                            .PERMISSION_GRANTED) {
9197                        // if either of the permissions are granted, we will allow it
9198                        return true;
9199                    }
9200                }
9201
9202            default:
9203                // this is for all other cases trickled down here...
9204                if (!throwException) {
9205                    return false;
9206                }
9207        }
9208
9209        // prepare string to throw SecurityException
9210        StringBuilder exceptionMessage = new StringBuilder();
9211        exceptionMessage.append(callingPackage);
9212        exceptionMessage.append(" was not granted ");
9213        if (permissions.length > 1) {
9214            exceptionMessage.append(" either of these permissions: ");
9215        } else {
9216            exceptionMessage.append(" this permission: ");
9217        }
9218        for (int i = 0; i < permissions.length; i++) {
9219            exceptionMessage.append(permissions[i]);
9220            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
9221        }
9222
9223        throw new SecurityException(exceptionMessage.toString());
9224    }
9225
9226    /**
9227     * Retrieves a correponding package name for a given uid. It will query all
9228     * packages that are associated with the given uid, but it will return only
9229     * the zeroth result.
9230     * Note: If package could not be found, a null is returned.
9231     * @hide
9232     */
9233    public static String getPackageNameForUid(Context context, int uid) {
9234        String[] packages = context.getPackageManager().getPackagesForUid(uid);
9235        if (packages == null) {
9236            return null;
9237        }
9238        return packages[0];
9239    }
9240}
9241