Settings.java revision 08e7fa9b6918f442669970aa0dc048625424c07b
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.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.annotation.SystemApi;
22import android.app.ActivityThread;
23import android.app.AppOpsManager;
24import android.app.Application;
25import android.app.SearchManager;
26import android.app.WallpaperManager;
27import android.content.ComponentName;
28import android.content.ContentResolver;
29import android.content.ContentValues;
30import android.content.Context;
31import android.content.IContentProvider;
32import android.content.Intent;
33import android.content.pm.ActivityInfo;
34import android.content.pm.PackageManager;
35import android.content.pm.ResolveInfo;
36import android.content.res.Configuration;
37import android.content.res.Resources;
38import android.database.Cursor;
39import android.database.SQLException;
40import android.location.LocationManager;
41import android.net.ConnectivityManager;
42import android.net.Uri;
43import android.net.wifi.WifiManager;
44import android.os.BatteryManager;
45import android.os.Binder;
46import android.os.Bundle;
47import android.os.DropBoxManager;
48import android.os.IBinder;
49import android.os.Process;
50import android.os.RemoteException;
51import android.os.ServiceManager;
52import android.os.SystemProperties;
53import android.os.UserHandle;
54import android.os.Build.VERSION_CODES;
55import android.speech.tts.TextToSpeech;
56import android.text.TextUtils;
57import android.util.AndroidException;
58import android.util.ArrayMap;
59import android.util.ArraySet;
60import android.util.Log;
61
62import com.android.internal.util.ArrayUtils;
63import com.android.internal.widget.ILockSettings;
64
65import java.net.URISyntaxException;
66import java.text.SimpleDateFormat;
67import java.util.HashMap;
68import java.util.HashSet;
69import java.util.Locale;
70import java.util.Map;
71import java.util.Set;
72
73/**
74 * The Settings provider contains global system-level device preferences.
75 */
76public final class Settings {
77
78    // Intent actions for Settings
79
80    /**
81     * Activity Action: Show system settings.
82     * <p>
83     * Input: Nothing.
84     * <p>
85     * Output: Nothing.
86     */
87    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
88    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
89
90    /**
91     * Activity Action: Show settings to allow configuration of APNs.
92     * <p>
93     * Input: Nothing.
94     * <p>
95     * Output: Nothing.
96     */
97    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
98    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
99
100    /**
101     * Activity Action: Show settings to allow configuration of current location
102     * sources.
103     * <p>
104     * In some cases, a matching Activity may not exist, so ensure you
105     * safeguard against this.
106     * <p>
107     * Input: Nothing.
108     * <p>
109     * Output: Nothing.
110     */
111    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
112    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
113            "android.settings.LOCATION_SOURCE_SETTINGS";
114
115    /**
116     * Activity Action: Show settings to allow configuration of wireless controls
117     * such as Wi-Fi, Bluetooth and Mobile networks.
118     * <p>
119     * In some cases, a matching Activity may not exist, so ensure you
120     * safeguard against this.
121     * <p>
122     * Input: Nothing.
123     * <p>
124     * Output: Nothing.
125     */
126    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
127    public static final String ACTION_WIRELESS_SETTINGS =
128            "android.settings.WIRELESS_SETTINGS";
129
130    /**
131     * Activity Action: Show settings to allow entering/exiting airplane mode.
132     * <p>
133     * In some cases, a matching Activity may not exist, so ensure you
134     * safeguard against this.
135     * <p>
136     * Input: Nothing.
137     * <p>
138     * Output: Nothing.
139     */
140    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
141    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
142            "android.settings.AIRPLANE_MODE_SETTINGS";
143
144    /**
145     * Activity Action: Modify Airplane mode settings using a voice command.
146     * <p>
147     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
148     * <p>
149     * This intent MUST be started using
150     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
151     * startVoiceActivity}.
152     * <p>
153     * Note: The activity implementing this intent MUST verify that
154     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
155     * modifying the setting.
156     * <p>
157     * Input: To tell which state airplane mode should be set to, add the
158     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
159     * If the extra is not included, no changes will be made.
160     * <p>
161     * Output: Nothing.
162     */
163    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
164    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
165            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
166
167    /**
168     * Activity Action: Show settings for accessibility modules.
169     * <p>
170     * In some cases, a matching Activity may not exist, so ensure you
171     * safeguard against this.
172     * <p>
173     * Input: Nothing.
174     * <p>
175     * Output: Nothing.
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_ACCESSIBILITY_SETTINGS =
179            "android.settings.ACCESSIBILITY_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to control access to usage information.
183     * <p>
184     * In some cases, a matching Activity may not exist, so ensure you
185     * safeguard against this.
186     * <p>
187     * Input: Nothing.
188     * <p>
189     * Output: Nothing.
190     */
191    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
192    public static final String ACTION_USAGE_ACCESS_SETTINGS =
193            "android.settings.USAGE_ACCESS_SETTINGS";
194
195    /**
196     * Activity Category: Show application settings related to usage access.
197     * <p>
198     * An activity that provides a user interface for adjusting usage access related
199     * preferences for its containing application. Optional but recommended for apps that
200     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
201     * <p>
202     * The activity may define meta-data to describe what usage access is
203     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
204     * will be displayed in Settings.
205     * <p>
206     * Input: Nothing.
207     * <p>
208     * Output: Nothing.
209     */
210    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
211    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
212            "android.intent.category.USAGE_ACCESS_CONFIG";
213
214    /**
215     * Metadata key: Reason for needing usage access.
216     * <p>
217     * A key for metadata attached to an activity that receives action
218     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
219     * user as description of how the app uses usage access.
220     * <p>
221     */
222    public static final String METADATA_USAGE_ACCESS_REASON =
223            "android.settings.metadata.USAGE_ACCESS_REASON";
224
225    /**
226     * Activity Action: Show settings to allow configuration of security and
227     * location privacy.
228     * <p>
229     * In some cases, a matching Activity may not exist, so ensure you
230     * safeguard against this.
231     * <p>
232     * Input: Nothing.
233     * <p>
234     * Output: Nothing.
235     */
236    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
237    public static final String ACTION_SECURITY_SETTINGS =
238            "android.settings.SECURITY_SETTINGS";
239
240    /**
241     * Activity Action: Show trusted credentials settings, opening to the user tab,
242     * to allow management of installed credentials.
243     * <p>
244     * In some cases, a matching Activity may not exist, so ensure you
245     * safeguard against this.
246     * <p>
247     * Input: Nothing.
248     * <p>
249     * Output: Nothing.
250     * @hide
251     */
252    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
253    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
254            "com.android.settings.TRUSTED_CREDENTIALS_USER";
255
256    /**
257     * Activity Action: Show dialog explaining that an installed CA cert may enable
258     * monitoring of encrypted network traffic.
259     * <p>
260     * In some cases, a matching Activity may not exist, so ensure you
261     * safeguard against this.
262     * <p>
263     * Input: Nothing.
264     * <p>
265     * Output: Nothing.
266     * @hide
267     */
268    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
269    public static final String ACTION_MONITORING_CERT_INFO =
270            "com.android.settings.MONITORING_CERT_INFO";
271
272    /**
273     * Activity Action: Show settings to allow configuration of privacy options.
274     * <p>
275     * In some cases, a matching Activity may not exist, so ensure you
276     * safeguard against this.
277     * <p>
278     * Input: Nothing.
279     * <p>
280     * Output: Nothing.
281     */
282    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
283    public static final String ACTION_PRIVACY_SETTINGS =
284            "android.settings.PRIVACY_SETTINGS";
285
286    /**
287     * Activity Action: Show settings to allow configuration of Wi-Fi.
288     * <p>
289     * In some cases, a matching Activity may not exist, so ensure you
290     * safeguard against this.
291     * <p>
292     * Input: Nothing.
293     * <p>
294     * Output: Nothing.
295
296     */
297    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
298    public static final String ACTION_WIFI_SETTINGS =
299            "android.settings.WIFI_SETTINGS";
300
301    /**
302     * Activity Action: Show settings to allow configuration of a static IP
303     * address for Wi-Fi.
304     * <p>
305     * In some cases, a matching Activity may not exist, so ensure you safeguard
306     * against this.
307     * <p>
308     * Input: Nothing.
309     * <p>
310     * Output: Nothing.
311     */
312    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
313    public static final String ACTION_WIFI_IP_SETTINGS =
314            "android.settings.WIFI_IP_SETTINGS";
315
316    /**
317     * Activity Action: Show settings to allow configuration of Bluetooth.
318     * <p>
319     * In some cases, a matching Activity may not exist, so ensure you
320     * safeguard against this.
321     * <p>
322     * Input: Nothing.
323     * <p>
324     * Output: Nothing.
325     */
326    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
327    public static final String ACTION_BLUETOOTH_SETTINGS =
328            "android.settings.BLUETOOTH_SETTINGS";
329
330    /**
331     * Activity Action: Show settings to allow configuration of cast endpoints.
332     * <p>
333     * In some cases, a matching Activity may not exist, so ensure you
334     * safeguard against this.
335     * <p>
336     * Input: Nothing.
337     * <p>
338     * Output: Nothing.
339     */
340    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
341    public static final String ACTION_CAST_SETTINGS =
342            "android.settings.CAST_SETTINGS";
343
344    /**
345     * Activity Action: Show settings to allow configuration of date and time.
346     * <p>
347     * In some cases, a matching Activity may not exist, so ensure you
348     * safeguard against this.
349     * <p>
350     * Input: Nothing.
351     * <p>
352     * Output: Nothing.
353     */
354    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
355    public static final String ACTION_DATE_SETTINGS =
356            "android.settings.DATE_SETTINGS";
357
358    /**
359     * Activity Action: Show settings to allow configuration of sound and volume.
360     * <p>
361     * In some cases, a matching Activity may not exist, so ensure you
362     * safeguard 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_SOUND_SETTINGS =
370            "android.settings.SOUND_SETTINGS";
371
372    /**
373     * Activity Action: Show settings to allow configuration of display.
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_DISPLAY_SETTINGS =
384            "android.settings.DISPLAY_SETTINGS";
385
386    /**
387     * Activity Action: Show settings to allow configuration of locale.
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_LOCALE_SETTINGS =
398            "android.settings.LOCALE_SETTINGS";
399
400    /**
401     * Activity Action: Show settings to configure input methods, in particular
402     * allowing the user to enable input methods.
403     * <p>
404     * In some cases, a matching Activity may not exist, so ensure you
405     * safeguard against this.
406     * <p>
407     * Input: Nothing.
408     * <p>
409     * Output: Nothing.
410     */
411    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
412    public static final String ACTION_VOICE_INPUT_SETTINGS =
413            "android.settings.VOICE_INPUT_SETTINGS";
414
415    /**
416     * Activity Action: Show settings to configure input methods, in particular
417     * allowing the user to enable input methods.
418     * <p>
419     * In some cases, a matching Activity may not exist, so ensure you
420     * safeguard against this.
421     * <p>
422     * Input: Nothing.
423     * <p>
424     * Output: Nothing.
425     */
426    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
427    public static final String ACTION_INPUT_METHOD_SETTINGS =
428            "android.settings.INPUT_METHOD_SETTINGS";
429
430    /**
431     * Activity Action: Show settings to enable/disable input method subtypes.
432     * <p>
433     * In some cases, a matching Activity may not exist, so ensure you
434     * safeguard against this.
435     * <p>
436     * To tell which input method's subtypes are displayed in the settings, add
437     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
438     * If there is no extra in this Intent, subtypes from all installed input methods
439     * will be displayed in the settings.
440     *
441     * @see android.view.inputmethod.InputMethodInfo#getId
442     * <p>
443     * Input: Nothing.
444     * <p>
445     * Output: Nothing.
446     */
447    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
448    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
449            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
450
451    /**
452     * Activity Action: Show a dialog to select input method.
453     * <p>
454     * In some cases, a matching Activity may not exist, so ensure you
455     * safeguard against this.
456     * <p>
457     * Input: Nothing.
458     * <p>
459     * Output: Nothing.
460     * @hide
461     */
462    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
463    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
464            "android.settings.SHOW_INPUT_METHOD_PICKER";
465
466    /**
467     * Activity Action: Show settings to manage the user input dictionary.
468     * <p>
469     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
470     * it is guaranteed there will always be an appropriate implementation for this Intent action.
471     * In prior releases of the platform this was optional, so ensure you safeguard against it.
472     * <p>
473     * Input: Nothing.
474     * <p>
475     * Output: Nothing.
476     */
477    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
478    public static final String ACTION_USER_DICTIONARY_SETTINGS =
479            "android.settings.USER_DICTIONARY_SETTINGS";
480
481    /**
482     * Activity Action: Adds a word to the user dictionary.
483     * <p>
484     * In some cases, a matching Activity may not exist, so ensure you
485     * safeguard against this.
486     * <p>
487     * Input: An extra with key <code>word</code> that contains the word
488     * that should be added to the dictionary.
489     * <p>
490     * Output: Nothing.
491     *
492     * @hide
493     */
494    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
495    public static final String ACTION_USER_DICTIONARY_INSERT =
496            "com.android.settings.USER_DICTIONARY_INSERT";
497
498    /**
499     * Activity Action: Show settings to allow configuration of application-related settings.
500     * <p>
501     * In some cases, a matching Activity may not exist, so ensure you
502     * safeguard against this.
503     * <p>
504     * Input: Nothing.
505     * <p>
506     * Output: Nothing.
507     */
508    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
509    public static final String ACTION_APPLICATION_SETTINGS =
510            "android.settings.APPLICATION_SETTINGS";
511
512    /**
513     * Activity Action: Show settings to allow configuration of application
514     * development-related settings.  As of
515     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
516     * a required part of the platform.
517     * <p>
518     * Input: Nothing.
519     * <p>
520     * Output: Nothing.
521     */
522    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
523    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
524            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
525
526    /**
527     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
528     * <p>
529     * In some cases, a matching Activity may not exist, so ensure you
530     * safeguard against this.
531     * <p>
532     * Input: Nothing.
533     * <p>
534     * Output: Nothing.
535     */
536    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
537    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
538            "android.settings.QUICK_LAUNCH_SETTINGS";
539
540    /**
541     * Activity Action: Show settings to manage installed applications.
542     * <p>
543     * In some cases, a matching Activity may not exist, so ensure you
544     * safeguard against this.
545     * <p>
546     * Input: Nothing.
547     * <p>
548     * Output: Nothing.
549     */
550    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
551    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
552            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
553
554    /**
555     * Activity Action: Show settings to manage all applications.
556     * <p>
557     * In some cases, a matching Activity may not exist, so ensure you
558     * safeguard against this.
559     * <p>
560     * Input: Nothing.
561     * <p>
562     * Output: Nothing.
563     */
564    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
565    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
566            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
567
568    /**
569     * Activity Action: Show screen for controlling which apps can draw on top of other apps.
570     * <p>
571     * In some cases, a matching Activity may not exist, so ensure you
572     * safeguard against this.
573     * <p>
574     * Input: Optionally, the Intent's data URI can specify the application package name to
575     * directly invoke the management GUI specific to the package name. For example
576     * "package:com.my.app".
577     * <p>
578     * Output: Nothing.
579     */
580    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
581    public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
582            "android.settings.action.MANAGE_OVERLAY_PERMISSION";
583
584    /**
585     * Activity Action: Show screen for controlling which apps are allowed to write/modify
586     * system settings.
587     * <p>
588     * In some cases, a matching Activity may not exist, so ensure you
589     * safeguard against this.
590     * <p>
591     * Input: Optionally, the Intent's data URI can specify the application package name to
592     * directly invoke the management GUI specific to the package name. For example
593     * "package:com.my.app".
594     * <p>
595     * Output: Nothing.
596     */
597    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
598    public static final String ACTION_MANAGE_WRITE_SETTINGS =
599            "android.settings.action.MANAGE_WRITE_SETTINGS";
600
601    /**
602     * Activity Action: Show screen of details about a particular application.
603     * <p>
604     * In some cases, a matching Activity may not exist, so ensure you
605     * safeguard against this.
606     * <p>
607     * Input: The Intent's data URI specifies the application package name
608     * to be shown, with the "package" scheme.  That is "package:com.my.app".
609     * <p>
610     * Output: Nothing.
611     */
612    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
613    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
614            "android.settings.APPLICATION_DETAILS_SETTINGS";
615
616    /**
617     * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
618     * <p>
619     * Input: Nothing.
620     * <p>
621     * Output: Nothing.
622     * <p>
623     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
624     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
625     * already ignoring optimizations.  You can use
626     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
627     * on this list.
628     */
629    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
630    public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
631            "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
632
633    /**
634     * Activity Action: Ask the user to allow an to ignore battery optimizations (that is,
635     * put them on the whitelist of apps shown by
636     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
637     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
638     * permission.
639     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
640     * provided by the platform for applications to operate correctly in the various power
641     * saving mode.  This is only for unusual applications that need to deeply control their own
642     * execution, at the potential expense of the user's battery life.  Note that these applications
643     * greatly run the risk of showing to the user has how power consumers on their device.</p>
644     * <p>
645     * Input: The Intent's data URI must specify the application package name
646     * to be shown, with the "package" scheme.  That is "package:com.my.app".
647     * <p>
648     * Output: Nothing.
649     * <p>
650     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
651     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
652     * already ignoring optimizations.
653     */
654    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
655    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
656            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
657
658    /**
659     * @hide
660     * Activity Action: Show the "app ops" settings screen.
661     * <p>
662     * Input: Nothing.
663     * <p>
664     * Output: Nothing.
665     */
666    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
667    public static final String ACTION_APP_OPS_SETTINGS =
668            "android.settings.APP_OPS_SETTINGS";
669
670    /**
671     * Activity Action: Show settings for system update functionality.
672     * <p>
673     * In some cases, a matching Activity may not exist, so ensure you
674     * safeguard against this.
675     * <p>
676     * Input: Nothing.
677     * <p>
678     * Output: Nothing.
679     *
680     * @hide
681     */
682    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
683    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
684            "android.settings.SYSTEM_UPDATE_SETTINGS";
685
686    /**
687     * Activity Action: Show settings to allow configuration of sync settings.
688     * <p>
689     * In some cases, a matching Activity may not exist, so ensure you
690     * safeguard against this.
691     * <p>
692     * The account types available to add via the add account button may be restricted by adding an
693     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
694     * authorities. Only account types which can sync with that content provider will be offered to
695     * the user.
696     * <p>
697     * Input: Nothing.
698     * <p>
699     * Output: Nothing.
700     */
701    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
702    public static final String ACTION_SYNC_SETTINGS =
703            "android.settings.SYNC_SETTINGS";
704
705    /**
706     * Activity Action: Show add account screen for creating a new account.
707     * <p>
708     * In some cases, a matching Activity may not exist, so ensure you
709     * safeguard against this.
710     * <p>
711     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
712     * extra to the Intent with one or more syncable content provider's authorities.  Only account
713     * types which can sync with that content provider will be offered to the user.
714     * <p>
715     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
716     * Intent with one or more account types.
717     * <p>
718     * Input: Nothing.
719     * <p>
720     * Output: Nothing.
721     */
722    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
723    public static final String ACTION_ADD_ACCOUNT =
724            "android.settings.ADD_ACCOUNT_SETTINGS";
725
726    /**
727     * Activity Action: Show settings for selecting the network operator.
728     * <p>
729     * In some cases, a matching Activity may not exist, so ensure you
730     * safeguard against this.
731     * <p>
732     * Input: Nothing.
733     * <p>
734     * Output: Nothing.
735     */
736    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
737    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
738            "android.settings.NETWORK_OPERATOR_SETTINGS";
739
740    /**
741     * Activity Action: Show settings for selection of 2G/3G.
742     * <p>
743     * In some cases, a matching Activity may not exist, so ensure you
744     * safeguard against this.
745     * <p>
746     * Input: Nothing.
747     * <p>
748     * Output: Nothing.
749     */
750    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
751    public static final String ACTION_DATA_ROAMING_SETTINGS =
752            "android.settings.DATA_ROAMING_SETTINGS";
753
754    /**
755     * Activity Action: Show settings for internal storage.
756     * <p>
757     * In some cases, a matching Activity may not exist, so ensure you
758     * safeguard against this.
759     * <p>
760     * Input: Nothing.
761     * <p>
762     * Output: Nothing.
763     */
764    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
765    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
766            "android.settings.INTERNAL_STORAGE_SETTINGS";
767    /**
768     * Activity Action: Show settings for memory card storage.
769     * <p>
770     * In some cases, a matching Activity may not exist, so ensure you
771     * safeguard against this.
772     * <p>
773     * Input: Nothing.
774     * <p>
775     * Output: Nothing.
776     */
777    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
778    public static final String ACTION_MEMORY_CARD_SETTINGS =
779            "android.settings.MEMORY_CARD_SETTINGS";
780
781    /**
782     * Activity Action: Show settings for global search.
783     * <p>
784     * In some cases, a matching Activity may not exist, so ensure you
785     * safeguard against this.
786     * <p>
787     * Input: Nothing.
788     * <p>
789     * Output: Nothing
790     */
791    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
792    public static final String ACTION_SEARCH_SETTINGS =
793        "android.search.action.SEARCH_SETTINGS";
794
795    /**
796     * Activity Action: Show general device information settings (serial
797     * number, software version, phone number, etc.).
798     * <p>
799     * In some cases, a matching Activity may not exist, so ensure you
800     * safeguard against this.
801     * <p>
802     * Input: Nothing.
803     * <p>
804     * Output: Nothing
805     */
806    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
807    public static final String ACTION_DEVICE_INFO_SETTINGS =
808        "android.settings.DEVICE_INFO_SETTINGS";
809
810    /**
811     * Activity Action: Show NFC settings.
812     * <p>
813     * This shows UI that allows NFC to be turned on or off.
814     * <p>
815     * In some cases, a matching Activity may not exist, so ensure you
816     * safeguard against this.
817     * <p>
818     * Input: Nothing.
819     * <p>
820     * Output: Nothing
821     * @see android.nfc.NfcAdapter#isEnabled()
822     */
823    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
824    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
825
826    /**
827     * Activity Action: Show NFC Sharing settings.
828     * <p>
829     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
830     * off.
831     * <p>
832     * In some cases, a matching Activity may not exist, so ensure you
833     * safeguard against this.
834     * <p>
835     * Input: Nothing.
836     * <p>
837     * Output: Nothing
838     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
839     */
840    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
841    public static final String ACTION_NFCSHARING_SETTINGS =
842        "android.settings.NFCSHARING_SETTINGS";
843
844    /**
845     * Activity Action: Show NFC Tap & Pay settings
846     * <p>
847     * This shows UI that allows the user to configure Tap&Pay
848     * settings.
849     * <p>
850     * In some cases, a matching Activity may not exist, so ensure you
851     * safeguard against this.
852     * <p>
853     * Input: Nothing.
854     * <p>
855     * Output: Nothing
856     */
857    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
858    public static final String ACTION_NFC_PAYMENT_SETTINGS =
859        "android.settings.NFC_PAYMENT_SETTINGS";
860
861    /**
862     * Activity Action: Show Daydream settings.
863     * <p>
864     * In some cases, a matching Activity may not exist, so ensure you
865     * safeguard against this.
866     * <p>
867     * Input: Nothing.
868     * <p>
869     * Output: Nothing.
870     * @see android.service.dreams.DreamService
871     */
872    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
873    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
874
875    /**
876     * Activity Action: Show Notification listener settings.
877     * <p>
878     * In some cases, a matching Activity may not exist, so ensure you
879     * safeguard against this.
880     * <p>
881     * Input: Nothing.
882     * <p>
883     * Output: Nothing.
884     * @see android.service.notification.NotificationListenerService
885     */
886    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
887    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
888            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
889
890    /**
891     * Activity Action: Show Do Not Disturb access settings.
892     * <p>
893     * Users can grant and deny access to Do Not Disturb configuration from here.
894     * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
895     * details.
896     * <p>
897     * Input: Nothing.
898     * <p>
899     * Output: Nothing.
900     */
901    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
902    public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
903            = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";
904
905    /**
906     * @hide
907     */
908    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
909    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
910            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
911
912    /**
913     * Activity Action: Show settings for video captioning.
914     * <p>
915     * In some cases, a matching Activity may not exist, so ensure you safeguard
916     * against this.
917     * <p>
918     * Input: Nothing.
919     * <p>
920     * Output: Nothing.
921     */
922    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
923    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
924
925    /**
926     * Activity Action: Show the top level print settings.
927     * <p>
928     * In some cases, a matching Activity may not exist, so ensure you
929     * safeguard against this.
930     * <p>
931     * Input: Nothing.
932     * <p>
933     * Output: Nothing.
934     */
935    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
936    public static final String ACTION_PRINT_SETTINGS =
937            "android.settings.ACTION_PRINT_SETTINGS";
938
939    /**
940     * Activity Action: Show Zen Mode configuration settings.
941     *
942     * @hide
943     */
944    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
945    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
946
947    /**
948     * Activity Action: Show Zen Mode priority configuration settings.
949     *
950     * @hide
951     */
952    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
953    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
954            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
955
956    /**
957     * Activity Action: Show Zen Mode automation configuration settings.
958     *
959     * @hide
960     */
961    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
962    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
963            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
964
965    /**
966     * Activity Action: Modify do not disturb mode settings.
967     * <p>
968     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
969     * <p>
970     * This intent MUST be started using
971     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
972     * startVoiceActivity}.
973     * <p>
974     * Note: The Activity implementing this intent MUST verify that
975     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
976     * returns true before modifying the setting.
977     * <p>
978     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
979     * how long the user wishes to avoid interruptions for. The optional
980     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
981     * enabling or disabling do not disturb mode. If either extra is not included, the
982     * user maybe asked to provide the value.
983     * <p>
984     * Output: Nothing.
985     */
986    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
987    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
988            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
989
990    /**
991     * Activity Action: Show Zen Mode schedule rule configuration settings.
992     *
993     * @hide
994     */
995    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
996    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
997            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
998
999    /**
1000     * Activity Action: Show Zen Mode event rule configuration settings.
1001     *
1002     * @hide
1003     */
1004    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1005    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
1006            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
1007
1008    /**
1009     * Activity Action: Show Zen Mode external rule configuration settings.
1010     *
1011     * @hide
1012     */
1013    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1014    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
1015            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
1016
1017    /**
1018     * Activity Action: Show the regulatory information screen for the device.
1019     * <p>
1020     * In some cases, a matching Activity may not exist, so ensure you safeguard
1021     * against this.
1022     * <p>
1023     * Input: Nothing.
1024     * <p>
1025     * Output: Nothing.
1026     */
1027    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1028    public static final String
1029            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
1030
1031    /**
1032     * Activity Action: Show Device Name Settings.
1033     * <p>
1034     * In some cases, a matching Activity may not exist, so ensure you safeguard
1035     * against this.
1036     *
1037     * @hide
1038     */
1039    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1040    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
1041
1042    /**
1043     * Activity Action: Show pairing settings.
1044     * <p>
1045     * In some cases, a matching Activity may not exist, so ensure you safeguard
1046     * against this.
1047     *
1048     * @hide
1049     */
1050    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1051    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
1052
1053    /**
1054     * Activity Action: Show battery saver settings.
1055     * <p>
1056     * In some cases, a matching Activity may not exist, so ensure you safeguard
1057     * against this.
1058     */
1059    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1060    public static final String ACTION_BATTERY_SAVER_SETTINGS
1061            = "android.settings.BATTERY_SAVER_SETTINGS";
1062
1063    /**
1064     * Activity Action: Modify Battery Saver mode setting using a voice command.
1065     * <p>
1066     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1067     * <p>
1068     * This intent MUST be started using
1069     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1070     * startVoiceActivity}.
1071     * <p>
1072     * Note: The activity implementing this intent MUST verify that
1073     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
1074     * modifying the setting.
1075     * <p>
1076     * Input: To tell which state batter saver mode should be set to, add the
1077     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
1078     * If the extra is not included, no changes will be made.
1079     * <p>
1080     * Output: Nothing.
1081     */
1082    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1083    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1084            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1085
1086    /**
1087     * Activity Action: Show Home selection settings. If there are multiple activities
1088     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1089     * to pick your preferred activity.
1090     */
1091    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1092    public static final String ACTION_HOME_SETTINGS
1093            = "android.settings.HOME_SETTINGS";
1094
1095    /**
1096     * Activity Action: Show notification settings.
1097     *
1098     * @hide
1099     */
1100    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1101    public static final String ACTION_NOTIFICATION_SETTINGS
1102            = "android.settings.NOTIFICATION_SETTINGS";
1103
1104    /**
1105     * Activity Action: Show notification settings for a single app.
1106     *
1107     * @hide
1108     */
1109    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1110    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1111            = "android.settings.APP_NOTIFICATION_SETTINGS";
1112
1113    /**
1114     * Activity Action: Show notification redaction settings.
1115     *
1116     * @hide
1117     */
1118    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1119    public static final String ACTION_APP_NOTIFICATION_REDACTION
1120            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1121
1122    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1123    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1124
1125    // End of Intent actions for Settings
1126
1127    /**
1128     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1129     */
1130    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1131
1132    /**
1133     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1134     */
1135    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1136
1137    /**
1138     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1139     */
1140    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1141
1142    /**
1143     * @hide - User handle argument extra to the fast-path call()-based requests
1144     */
1145    public static final String CALL_METHOD_USER_KEY = "_user";
1146
1147    /** @hide - Private call() method to write to 'system' table */
1148    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1149
1150    /** @hide - Private call() method to write to 'secure' table */
1151    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1152
1153    /** @hide - Private call() method to write to 'global' table */
1154    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1155
1156    /**
1157     * Activity Extra: Limit available options in launched activity based on the given authority.
1158     * <p>
1159     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1160     * provider's authorities as a String[]. This field is used by some intents to alter the
1161     * behavior of the called activity.
1162     * <p>
1163     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1164     * on the authority given.
1165     */
1166    public static final String EXTRA_AUTHORITIES = "authorities";
1167
1168    /**
1169     * Activity Extra: Limit available options in launched activity based on the given account
1170     * types.
1171     * <p>
1172     * This can be passed as an extra field in an Activity Intent with one or more account types
1173     * as a String[]. This field is used by some intents to alter the behavior of the called
1174     * activity.
1175     * <p>
1176     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1177     * list.
1178     */
1179    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1180
1181    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1182
1183    /**
1184     * Activity Extra: The device identifier to act upon.
1185     * <p>
1186     * This can be passed as an extra field in an Activity Intent with a single
1187     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1188     * settings for the given device.
1189     * <p>
1190     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1191     * dialog for the given device.
1192     * @hide
1193     */
1194    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1195
1196    /**
1197     * Activity Extra: Enable or disable Airplane Mode.
1198     * <p>
1199     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1200     * intent as a boolean to indicate if it should be enabled.
1201     */
1202    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1203
1204    /**
1205     * Activity Extra: Enable or disable Battery saver mode.
1206     * <p>
1207     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1208     * intent as a boolean to indicate if it should be enabled.
1209     */
1210    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1211            "android.settings.extra.battery_saver_mode_enabled";
1212
1213    /**
1214     * Activity Extra: Enable or disable Do Not Disturb mode.
1215     * <p>
1216     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1217     * intent as a boolean to indicate if it should be enabled.
1218     */
1219    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1220            "android.settings.extra.do_not_disturb_mode_enabled";
1221
1222    /**
1223     * Activity Extra: How many minutes to enable do not disturb mode for.
1224     * <p>
1225     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1226     * intent to indicate how long do not disturb mode should be enabled for.
1227     */
1228    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1229            "android.settings.extra.do_not_disturb_mode_minutes";
1230
1231    private static final String JID_RESOURCE_PREFIX = "android";
1232
1233    public static final String AUTHORITY = "settings";
1234
1235    private static final String TAG = "Settings";
1236    private static final boolean LOCAL_LOGV = false;
1237
1238    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1239    // with a partial enable/disable state in multi-threaded situations.
1240    private static final Object mLocationSettingsLock = new Object();
1241
1242    public static class SettingNotFoundException extends AndroidException {
1243        public SettingNotFoundException(String msg) {
1244            super(msg);
1245        }
1246    }
1247
1248    /**
1249     * Common base for tables of name/value settings.
1250     */
1251    public static class NameValueTable implements BaseColumns {
1252        public static final String NAME = "name";
1253        public static final String VALUE = "value";
1254
1255        protected static boolean putString(ContentResolver resolver, Uri uri,
1256                String name, String value) {
1257            // The database will take care of replacing duplicates.
1258            try {
1259                ContentValues values = new ContentValues();
1260                values.put(NAME, name);
1261                values.put(VALUE, value);
1262                resolver.insert(uri, values);
1263                return true;
1264            } catch (SQLException e) {
1265                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1266                return false;
1267            }
1268        }
1269
1270        public static Uri getUriFor(Uri uri, String name) {
1271            return Uri.withAppendedPath(uri, name);
1272        }
1273    }
1274
1275    // Thread-safe.
1276    private static class NameValueCache {
1277        private final String mVersionSystemProperty;
1278        private final Uri mUri;
1279
1280        private static final String[] SELECT_VALUE =
1281            new String[] { Settings.NameValueTable.VALUE };
1282        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1283
1284        // Must synchronize on 'this' to access mValues and mValuesVersion.
1285        private final HashMap<String, String> mValues = new HashMap<String, String>();
1286        private long mValuesVersion = 0;
1287
1288        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1289        private IContentProvider mContentProvider = null;
1290
1291        // The method we'll call (or null, to not use) on the provider
1292        // for the fast path of retrieving settings.
1293        private final String mCallGetCommand;
1294        private final String mCallSetCommand;
1295
1296        public NameValueCache(String versionSystemProperty, Uri uri,
1297                String getCommand, String setCommand) {
1298            mVersionSystemProperty = versionSystemProperty;
1299            mUri = uri;
1300            mCallGetCommand = getCommand;
1301            mCallSetCommand = setCommand;
1302        }
1303
1304        private IContentProvider lazyGetProvider(ContentResolver cr) {
1305            IContentProvider cp = null;
1306            synchronized (this) {
1307                cp = mContentProvider;
1308                if (cp == null) {
1309                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1310                }
1311            }
1312            return cp;
1313        }
1314
1315        public boolean putStringForUser(ContentResolver cr, String name, String value,
1316                final int userHandle) {
1317            try {
1318                Bundle arg = new Bundle();
1319                arg.putString(Settings.NameValueTable.VALUE, value);
1320                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1321                IContentProvider cp = lazyGetProvider(cr);
1322                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1323            } catch (RemoteException e) {
1324                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1325                return false;
1326            }
1327            return true;
1328        }
1329
1330        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1331            final boolean isSelf = (userHandle == UserHandle.myUserId());
1332            if (isSelf) {
1333                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1334
1335                // Our own user's settings data uses a client-side cache
1336                synchronized (this) {
1337                    if (mValuesVersion != newValuesVersion) {
1338                        if (LOCAL_LOGV || false) {
1339                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1340                                    + newValuesVersion + " != cached " + mValuesVersion);
1341                        }
1342
1343                        mValues.clear();
1344                        mValuesVersion = newValuesVersion;
1345                    }
1346
1347                    if (mValues.containsKey(name)) {
1348                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1349                    }
1350                }
1351            } else {
1352                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1353                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1354            }
1355
1356            IContentProvider cp = lazyGetProvider(cr);
1357
1358            // Try the fast path first, not using query().  If this
1359            // fails (alternate Settings provider that doesn't support
1360            // this interface?) then we fall back to the query/table
1361            // interface.
1362            if (mCallGetCommand != null) {
1363                try {
1364                    Bundle args = null;
1365                    if (!isSelf) {
1366                        args = new Bundle();
1367                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1368                    }
1369                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1370                    if (b != null) {
1371                        String value = b.getPairValue();
1372                        // Don't update our cache for reads of other users' data
1373                        if (isSelf) {
1374                            synchronized (this) {
1375                                mValues.put(name, value);
1376                            }
1377                        } else {
1378                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1379                                    + " by " + UserHandle.myUserId()
1380                                    + " so not updating cache");
1381                        }
1382                        return value;
1383                    }
1384                    // If the response Bundle is null, we fall through
1385                    // to the query interface below.
1386                } catch (RemoteException e) {
1387                    // Not supported by the remote side?  Fall through
1388                    // to query().
1389                }
1390            }
1391
1392            Cursor c = null;
1393            try {
1394                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1395                             new String[]{name}, null, null);
1396                if (c == null) {
1397                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1398                    return null;
1399                }
1400
1401                String value = c.moveToNext() ? c.getString(0) : null;
1402                synchronized (this) {
1403                    mValues.put(name, value);
1404                }
1405                if (LOCAL_LOGV) {
1406                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1407                            name + " = " + (value == null ? "(null)" : value));
1408                }
1409                return value;
1410            } catch (RemoteException e) {
1411                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1412                return null;  // Return null, but don't cache it.
1413            } finally {
1414                if (c != null) c.close();
1415            }
1416        }
1417    }
1418
1419    /**
1420     * An app can use this method to check if it is currently allowed to draw on top of other
1421     * apps. In order to be allowed to do so, an app must first declare the
1422     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its manifest. If it
1423     * is currently disallowed, it can prompt the user to grant it this capability through a
1424     * management UI by sending an Intent with action
1425     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}.
1426     *
1427     * @param context A context
1428     * @return true if the calling app can draw on top of other apps, false otherwise.
1429     */
1430    public static boolean canDrawOverlays(Context context) {
1431        int uid = Binder.getCallingUid();
1432        return Settings.isCallingPackageAllowedToDrawOverlays(context, uid, Settings
1433                .getPackageNameForUid(context, uid), false);
1434    }
1435
1436    /**
1437     * System settings, containing miscellaneous system preferences.  This
1438     * table holds simple name/value pairs.  There are convenience
1439     * functions for accessing individual settings entries.
1440     */
1441    public static final class System extends NameValueTable {
1442        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1443
1444        /** @hide */
1445        public static interface Validator {
1446            public boolean validate(String value);
1447        }
1448
1449        /**
1450         * The content:// style URL for this table
1451         */
1452        public static final Uri CONTENT_URI =
1453            Uri.parse("content://" + AUTHORITY + "/system");
1454
1455        private static final NameValueCache sNameValueCache = new NameValueCache(
1456                SYS_PROP_SETTING_VERSION,
1457                CONTENT_URI,
1458                CALL_METHOD_GET_SYSTEM,
1459                CALL_METHOD_PUT_SYSTEM);
1460
1461        private static final HashSet<String> MOVED_TO_SECURE;
1462        static {
1463            MOVED_TO_SECURE = new HashSet<String>(30);
1464            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1465            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1466            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1467            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1468            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1469            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1470            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1471            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1472            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1473            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1474            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1475            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1476            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1477            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1478            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1479            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1480            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1481            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1482            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1483            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1484            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1485            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1486            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1487            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1488            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1489            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1490            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1491            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1492
1493            // At one time in System, then Global, but now back in Secure
1494            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1495        }
1496
1497        private static final HashSet<String> MOVED_TO_GLOBAL;
1498        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1499        static {
1500            MOVED_TO_GLOBAL = new HashSet<String>();
1501            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1502
1503            // these were originally in system but migrated to secure in the past,
1504            // so are duplicated in the Secure.* namespace
1505            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1506            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1507            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1508            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1509            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1510            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1511
1512            // these are moving directly from system to global
1513            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1514            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1515            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1516            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1517            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1518            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1519            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1520            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1521            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1522            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1523            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1524            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1525            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1526            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1527            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1528            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1529            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1530            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1531            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1532            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1533            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1534            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1535            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1536            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1537            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1538            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1539            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1540            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1541            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1542            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1543            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1544            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1545            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1546            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1547            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1548            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1549        }
1550
1551        private static final Validator sBooleanValidator =
1552                new DiscreteValueValidator(new String[] {"0", "1"});
1553
1554        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1555            @Override
1556            public boolean validate(String value) {
1557                try {
1558                    return Integer.parseInt(value) >= 0;
1559                } catch (NumberFormatException e) {
1560                    return false;
1561                }
1562            }
1563        };
1564
1565        private static final Validator sUriValidator = new Validator() {
1566            @Override
1567            public boolean validate(String value) {
1568                try {
1569                    Uri.decode(value);
1570                    return true;
1571                } catch (IllegalArgumentException e) {
1572                    return false;
1573                }
1574            }
1575        };
1576
1577        private static final Validator sLenientIpAddressValidator = new Validator() {
1578            private static final int MAX_IPV6_LENGTH = 45;
1579
1580            @Override
1581            public boolean validate(String value) {
1582                return value.length() <= MAX_IPV6_LENGTH;
1583            }
1584        };
1585
1586        /** @hide */
1587        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1588            outKeySet.addAll(MOVED_TO_GLOBAL);
1589            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1590        }
1591
1592        /** @hide */
1593        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1594            outKeySet.addAll(MOVED_TO_SECURE);
1595        }
1596
1597        /** @hide */
1598        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1599            outKeySet.addAll(MOVED_TO_GLOBAL);
1600        }
1601
1602        /**
1603         * Look up a name in the database.
1604         * @param resolver to access the database with
1605         * @param name to look up in the table
1606         * @return the corresponding value, or null if not present
1607         */
1608        public static String getString(ContentResolver resolver, String name) {
1609            return getStringForUser(resolver, name, UserHandle.myUserId());
1610        }
1611
1612        /** @hide */
1613        public static String getStringForUser(ContentResolver resolver, String name,
1614                int userHandle) {
1615            if (MOVED_TO_SECURE.contains(name)) {
1616                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1617                        + " to android.provider.Settings.Secure, returning read-only value.");
1618                return Secure.getStringForUser(resolver, name, userHandle);
1619            }
1620            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1621                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1622                        + " to android.provider.Settings.Global, returning read-only value.");
1623                return Global.getStringForUser(resolver, name, userHandle);
1624            }
1625            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1626        }
1627
1628        /**
1629         * Store a name/value pair into the database.
1630         * @param resolver to access the database with
1631         * @param name to store
1632         * @param value to associate with the name
1633         * @return true if the value was set, false on database errors
1634         */
1635        public static boolean putString(ContentResolver resolver, String name, String value) {
1636            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1637        }
1638
1639        /** @hide */
1640        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1641                int userHandle) {
1642            if (MOVED_TO_SECURE.contains(name)) {
1643                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1644                        + " to android.provider.Settings.Secure, value is unchanged.");
1645                return false;
1646            }
1647            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1648                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1649                        + " to android.provider.Settings.Global, value is unchanged.");
1650                return false;
1651            }
1652            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1653        }
1654
1655        /**
1656         * Construct the content URI for a particular name/value pair,
1657         * useful for monitoring changes with a ContentObserver.
1658         * @param name to look up in the table
1659         * @return the corresponding content URI, or null if not present
1660         */
1661        public static Uri getUriFor(String name) {
1662            if (MOVED_TO_SECURE.contains(name)) {
1663                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1664                    + " to android.provider.Settings.Secure, returning Secure URI.");
1665                return Secure.getUriFor(Secure.CONTENT_URI, name);
1666            }
1667            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1668                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1669                        + " to android.provider.Settings.Global, returning read-only global URI.");
1670                return Global.getUriFor(Global.CONTENT_URI, name);
1671            }
1672            return getUriFor(CONTENT_URI, name);
1673        }
1674
1675        /**
1676         * Convenience function for retrieving a single system settings value
1677         * as an integer.  Note that internally setting values are always
1678         * stored as strings; this function converts the string to an integer
1679         * for you.  The default value will be returned if the setting is
1680         * not defined or not an integer.
1681         *
1682         * @param cr The ContentResolver to access.
1683         * @param name The name of the setting to retrieve.
1684         * @param def Value to return if the setting is not defined.
1685         *
1686         * @return The setting's current value, or 'def' if it is not defined
1687         * or not a valid integer.
1688         */
1689        public static int getInt(ContentResolver cr, String name, int def) {
1690            return getIntForUser(cr, name, def, UserHandle.myUserId());
1691        }
1692
1693        /** @hide */
1694        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1695            String v = getStringForUser(cr, name, userHandle);
1696            try {
1697                return v != null ? Integer.parseInt(v) : def;
1698            } catch (NumberFormatException e) {
1699                return def;
1700            }
1701        }
1702
1703        /**
1704         * Convenience function for retrieving a single system settings value
1705         * as an integer.  Note that internally setting values are always
1706         * stored as strings; this function converts the string to an integer
1707         * for you.
1708         * <p>
1709         * This version does not take a default value.  If the setting has not
1710         * been set, or the string value is not a number,
1711         * it throws {@link SettingNotFoundException}.
1712         *
1713         * @param cr The ContentResolver to access.
1714         * @param name The name of the setting to retrieve.
1715         *
1716         * @throws SettingNotFoundException Thrown if a setting by the given
1717         * name can't be found or the setting value is not an integer.
1718         *
1719         * @return The setting's current value.
1720         */
1721        public static int getInt(ContentResolver cr, String name)
1722                throws SettingNotFoundException {
1723            return getIntForUser(cr, name, UserHandle.myUserId());
1724        }
1725
1726        /** @hide */
1727        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1728                throws SettingNotFoundException {
1729            String v = getStringForUser(cr, name, userHandle);
1730            try {
1731                return Integer.parseInt(v);
1732            } catch (NumberFormatException e) {
1733                throw new SettingNotFoundException(name);
1734            }
1735        }
1736
1737        /**
1738         * Convenience function for updating a single settings value as an
1739         * integer. This will either create a new entry in the table if the
1740         * given name does not exist, or modify the value of the existing row
1741         * with that name.  Note that internally setting values are always
1742         * stored as strings, so this function converts the given value to a
1743         * string before storing it.
1744         *
1745         * @param cr The ContentResolver to access.
1746         * @param name The name of the setting to modify.
1747         * @param value The new value for the setting.
1748         * @return true if the value was set, false on database errors
1749         */
1750        public static boolean putInt(ContentResolver cr, String name, int value) {
1751            return putIntForUser(cr, name, value, UserHandle.myUserId());
1752        }
1753
1754        /** @hide */
1755        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1756                int userHandle) {
1757            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1758        }
1759
1760        /**
1761         * Convenience function for retrieving a single system settings value
1762         * as a {@code long}.  Note that internally setting values are always
1763         * stored as strings; this function converts the string to a {@code long}
1764         * for you.  The default value will be returned if the setting is
1765         * not defined or not a {@code long}.
1766         *
1767         * @param cr The ContentResolver to access.
1768         * @param name The name of the setting to retrieve.
1769         * @param def Value to return if the setting is not defined.
1770         *
1771         * @return The setting's current value, or 'def' if it is not defined
1772         * or not a valid {@code long}.
1773         */
1774        public static long getLong(ContentResolver cr, String name, long def) {
1775            return getLongForUser(cr, name, def, UserHandle.myUserId());
1776        }
1777
1778        /** @hide */
1779        public static long getLongForUser(ContentResolver cr, String name, long def,
1780                int userHandle) {
1781            String valString = getStringForUser(cr, name, userHandle);
1782            long value;
1783            try {
1784                value = valString != null ? Long.parseLong(valString) : def;
1785            } catch (NumberFormatException e) {
1786                value = def;
1787            }
1788            return value;
1789        }
1790
1791        /**
1792         * Convenience function for retrieving a single system settings value
1793         * as a {@code long}.  Note that internally setting values are always
1794         * stored as strings; this function converts the string to a {@code long}
1795         * for you.
1796         * <p>
1797         * This version does not take a default value.  If the setting has not
1798         * been set, or the string value is not a number,
1799         * it throws {@link SettingNotFoundException}.
1800         *
1801         * @param cr The ContentResolver to access.
1802         * @param name The name of the setting to retrieve.
1803         *
1804         * @return The setting's current value.
1805         * @throws SettingNotFoundException Thrown if a setting by the given
1806         * name can't be found or the setting value is not an integer.
1807         */
1808        public static long getLong(ContentResolver cr, String name)
1809                throws SettingNotFoundException {
1810            return getLongForUser(cr, name, UserHandle.myUserId());
1811        }
1812
1813        /** @hide */
1814        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1815                throws SettingNotFoundException {
1816            String valString = getStringForUser(cr, name, userHandle);
1817            try {
1818                return Long.parseLong(valString);
1819            } catch (NumberFormatException e) {
1820                throw new SettingNotFoundException(name);
1821            }
1822        }
1823
1824        /**
1825         * Convenience function for updating a single settings value as a long
1826         * integer. This will either create a new entry in the table if the
1827         * given name does not exist, or modify the value of the existing row
1828         * with that name.  Note that internally setting values are always
1829         * stored as strings, so this function converts the given value to a
1830         * string before storing it.
1831         *
1832         * @param cr The ContentResolver to access.
1833         * @param name The name of the setting to modify.
1834         * @param value The new value for the setting.
1835         * @return true if the value was set, false on database errors
1836         */
1837        public static boolean putLong(ContentResolver cr, String name, long value) {
1838            return putLongForUser(cr, name, value, UserHandle.myUserId());
1839        }
1840
1841        /** @hide */
1842        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1843                int userHandle) {
1844            return putStringForUser(cr, name, Long.toString(value), userHandle);
1845        }
1846
1847        /**
1848         * Convenience function for retrieving a single system settings value
1849         * as a floating point number.  Note that internally setting values are
1850         * always stored as strings; this function converts the string to an
1851         * float for you. The default value will be returned if the setting
1852         * is not defined or not a valid float.
1853         *
1854         * @param cr The ContentResolver to access.
1855         * @param name The name of the setting to retrieve.
1856         * @param def Value to return if the setting is not defined.
1857         *
1858         * @return The setting's current value, or 'def' if it is not defined
1859         * or not a valid float.
1860         */
1861        public static float getFloat(ContentResolver cr, String name, float def) {
1862            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1863        }
1864
1865        /** @hide */
1866        public static float getFloatForUser(ContentResolver cr, String name, float def,
1867                int userHandle) {
1868            String v = getStringForUser(cr, name, userHandle);
1869            try {
1870                return v != null ? Float.parseFloat(v) : def;
1871            } catch (NumberFormatException e) {
1872                return def;
1873            }
1874        }
1875
1876        /**
1877         * Convenience function for retrieving a single system settings value
1878         * as a float.  Note that internally setting values are always
1879         * stored as strings; this function converts the string to a float
1880         * for you.
1881         * <p>
1882         * This version does not take a default value.  If the setting has not
1883         * been set, or the string value is not a number,
1884         * it throws {@link SettingNotFoundException}.
1885         *
1886         * @param cr The ContentResolver to access.
1887         * @param name The name of the setting to retrieve.
1888         *
1889         * @throws SettingNotFoundException Thrown if a setting by the given
1890         * name can't be found or the setting value is not a float.
1891         *
1892         * @return The setting's current value.
1893         */
1894        public static float getFloat(ContentResolver cr, String name)
1895                throws SettingNotFoundException {
1896            return getFloatForUser(cr, name, UserHandle.myUserId());
1897        }
1898
1899        /** @hide */
1900        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1901                throws SettingNotFoundException {
1902            String v = getStringForUser(cr, name, userHandle);
1903            if (v == null) {
1904                throw new SettingNotFoundException(name);
1905            }
1906            try {
1907                return Float.parseFloat(v);
1908            } catch (NumberFormatException e) {
1909                throw new SettingNotFoundException(name);
1910            }
1911        }
1912
1913        /**
1914         * Convenience function for updating a single settings value as a
1915         * floating point number. This will either create a new entry in the
1916         * table if the given name does not exist, or modify the value of the
1917         * existing row with that name.  Note that internally setting values
1918         * are always stored as strings, so this function converts the given
1919         * value to a string before storing it.
1920         *
1921         * @param cr The ContentResolver to access.
1922         * @param name The name of the setting to modify.
1923         * @param value The new value for the setting.
1924         * @return true if the value was set, false on database errors
1925         */
1926        public static boolean putFloat(ContentResolver cr, String name, float value) {
1927            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1928        }
1929
1930        /** @hide */
1931        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1932                int userHandle) {
1933            return putStringForUser(cr, name, Float.toString(value), userHandle);
1934        }
1935
1936        /**
1937         * Convenience function to read all of the current
1938         * configuration-related settings into a
1939         * {@link Configuration} object.
1940         *
1941         * @param cr The ContentResolver to access.
1942         * @param outConfig Where to place the configuration settings.
1943         */
1944        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1945            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1946        }
1947
1948        /** @hide */
1949        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1950                int userHandle) {
1951            outConfig.fontScale = Settings.System.getFloatForUser(
1952                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1953            if (outConfig.fontScale < 0) {
1954                outConfig.fontScale = 1;
1955            }
1956        }
1957
1958        /**
1959         * @hide Erase the fields in the Configuration that should be applied
1960         * by the settings.
1961         */
1962        public static void clearConfiguration(Configuration inoutConfig) {
1963            inoutConfig.fontScale = 0;
1964        }
1965
1966        /**
1967         * Convenience function to write a batch of configuration-related
1968         * settings from a {@link Configuration} object.
1969         *
1970         * @param cr The ContentResolver to access.
1971         * @param config The settings to write.
1972         * @return true if the values were set, false on database errors
1973         */
1974        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1975            return putConfigurationForUser(cr, config, UserHandle.myUserId());
1976        }
1977
1978        /** @hide */
1979        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
1980                int userHandle) {
1981            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
1982        }
1983
1984        /** @hide */
1985        public static boolean hasInterestingConfigurationChanges(int changes) {
1986            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1987        }
1988
1989        /** @deprecated - Do not use */
1990        @Deprecated
1991        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1992            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
1993        }
1994
1995        /**
1996         * @hide
1997         * @deprecated - Do not use
1998         */
1999        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2000                int userHandle) {
2001            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2002        }
2003
2004        /** @deprecated - Do not use */
2005        @Deprecated
2006        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2007            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2008        }
2009
2010        /**
2011         * @hide
2012         * @deprecated - Do not use
2013         */
2014        @Deprecated
2015        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2016                int userHandle) {
2017            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2018        }
2019
2020        private static final class DiscreteValueValidator implements Validator {
2021            private final String[] mValues;
2022
2023            public DiscreteValueValidator(String[] values) {
2024                mValues = values;
2025            }
2026
2027            @Override
2028            public boolean validate(String value) {
2029                return ArrayUtils.contains(mValues, value);
2030            }
2031        }
2032
2033        private static final class InclusiveIntegerRangeValidator implements Validator {
2034            private final int mMin;
2035            private final int mMax;
2036
2037            public InclusiveIntegerRangeValidator(int min, int max) {
2038                mMin = min;
2039                mMax = max;
2040            }
2041
2042            @Override
2043            public boolean validate(String value) {
2044                try {
2045                    final int intValue = Integer.parseInt(value);
2046                    return intValue >= mMin && intValue <= mMax;
2047                } catch (NumberFormatException e) {
2048                    return false;
2049                }
2050            }
2051        }
2052
2053        private static final class InclusiveFloatRangeValidator implements Validator {
2054            private final float mMin;
2055            private final float mMax;
2056
2057            public InclusiveFloatRangeValidator(float min, float max) {
2058                mMin = min;
2059                mMax = max;
2060            }
2061
2062            @Override
2063            public boolean validate(String value) {
2064                try {
2065                    final float floatValue = Float.parseFloat(value);
2066                    return floatValue >= mMin && floatValue <= mMax;
2067                } catch (NumberFormatException e) {
2068                    return false;
2069                }
2070            }
2071        }
2072
2073        /**
2074         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2075         */
2076        @Deprecated
2077        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2078
2079        /**
2080         * What happens when the user presses the end call button if they're not
2081         * on a call.<br/>
2082         * <b>Values:</b><br/>
2083         * 0 - The end button does nothing.<br/>
2084         * 1 - The end button goes to the home screen.<br/>
2085         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2086         * 3 - The end button goes to the home screen.  If the user is already on the
2087         * home screen, it puts the device to sleep.
2088         */
2089        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2090
2091        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2092                new InclusiveIntegerRangeValidator(0, 3);
2093
2094        /**
2095         * END_BUTTON_BEHAVIOR value for "go home".
2096         * @hide
2097         */
2098        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2099
2100        /**
2101         * END_BUTTON_BEHAVIOR value for "go to sleep".
2102         * @hide
2103         */
2104        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2105
2106        /**
2107         * END_BUTTON_BEHAVIOR default value.
2108         * @hide
2109         */
2110        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2111
2112        /**
2113         * Is advanced settings mode turned on. 0 == no, 1 == yes
2114         * @hide
2115         */
2116        public static final String ADVANCED_SETTINGS = "advanced_settings";
2117
2118        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2119
2120        /**
2121         * ADVANCED_SETTINGS default value.
2122         * @hide
2123         */
2124        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2125
2126        /**
2127         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2128         */
2129        @Deprecated
2130        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2131
2132        /**
2133         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2134         */
2135        @Deprecated
2136        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2137
2138        /**
2139         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2140         */
2141        @Deprecated
2142        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2143
2144        /**
2145         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2146         * {@hide}
2147         */
2148        @Deprecated
2149        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2150
2151        /**
2152         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2153         */
2154        @Deprecated
2155        public static final String RADIO_CELL = Global.RADIO_CELL;
2156
2157        /**
2158         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2159         */
2160        @Deprecated
2161        public static final String RADIO_NFC = Global.RADIO_NFC;
2162
2163        /**
2164         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2165         */
2166        @Deprecated
2167        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2168
2169        /**
2170         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2171         *
2172         * {@hide}
2173         */
2174        @Deprecated
2175        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2176                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2177
2178        /**
2179         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2180         */
2181        @Deprecated
2182        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2183
2184        /**
2185         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2186         */
2187        @Deprecated
2188        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2189
2190        /**
2191         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2192         */
2193        @Deprecated
2194        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2195                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2196
2197        /**
2198         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2199         */
2200        @Deprecated
2201        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2202
2203        /**
2204         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2205         */
2206        @Deprecated
2207        public static final String MODE_RINGER = Global.MODE_RINGER;
2208
2209        /**
2210         * Whether to use static IP and other static network attributes.
2211         * <p>
2212         * Set to 1 for true and 0 for false.
2213         *
2214         * @deprecated Use {@link WifiManager} instead
2215         */
2216        @Deprecated
2217        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2218
2219        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2220
2221        /**
2222         * The static IP address.
2223         * <p>
2224         * Example: "192.168.1.51"
2225         *
2226         * @deprecated Use {@link WifiManager} instead
2227         */
2228        @Deprecated
2229        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2230
2231        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2232
2233        /**
2234         * If using static IP, the gateway's IP address.
2235         * <p>
2236         * Example: "192.168.1.1"
2237         *
2238         * @deprecated Use {@link WifiManager} instead
2239         */
2240        @Deprecated
2241        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2242
2243        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2244
2245        /**
2246         * If using static IP, the net mask.
2247         * <p>
2248         * Example: "255.255.255.0"
2249         *
2250         * @deprecated Use {@link WifiManager} instead
2251         */
2252        @Deprecated
2253        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2254
2255        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2256
2257        /**
2258         * If using static IP, the primary DNS's IP address.
2259         * <p>
2260         * Example: "192.168.1.1"
2261         *
2262         * @deprecated Use {@link WifiManager} instead
2263         */
2264        @Deprecated
2265        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2266
2267        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2268
2269        /**
2270         * If using static IP, the secondary DNS's IP address.
2271         * <p>
2272         * Example: "192.168.1.2"
2273         *
2274         * @deprecated Use {@link WifiManager} instead
2275         */
2276        @Deprecated
2277        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2278
2279        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2280
2281        /**
2282         * Determines whether remote devices may discover and/or connect to
2283         * this device.
2284         * <P>Type: INT</P>
2285         * 2 -- discoverable and connectable
2286         * 1 -- connectable but not discoverable
2287         * 0 -- neither connectable nor discoverable
2288         */
2289        public static final String BLUETOOTH_DISCOVERABILITY =
2290            "bluetooth_discoverability";
2291
2292        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2293                new InclusiveIntegerRangeValidator(0, 2);
2294
2295        /**
2296         * Bluetooth discoverability timeout.  If this value is nonzero, then
2297         * Bluetooth becomes discoverable for a certain number of seconds,
2298         * after which is becomes simply connectable.  The value is in seconds.
2299         */
2300        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2301            "bluetooth_discoverability_timeout";
2302
2303        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2304                sNonNegativeIntegerValidator;
2305
2306        /**
2307         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2308         * instead
2309         */
2310        @Deprecated
2311        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2312
2313        /**
2314         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2315         * instead
2316         */
2317        @Deprecated
2318        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2319
2320        /**
2321         * @deprecated Use
2322         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2323         * instead
2324         */
2325        @Deprecated
2326        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2327            "lock_pattern_tactile_feedback_enabled";
2328
2329        /**
2330         * A formatted string of the next alarm that is set, or the empty string
2331         * if there is no alarm set.
2332         *
2333         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2334         */
2335        @Deprecated
2336        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2337
2338        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2339            private static final int MAX_LENGTH = 1000;
2340
2341            @Override
2342            public boolean validate(String value) {
2343                // TODO: No idea what the correct format is.
2344                return value == null || value.length() < MAX_LENGTH;
2345            }
2346        };
2347
2348        /**
2349         * Scaling factor for fonts, float.
2350         */
2351        public static final String FONT_SCALE = "font_scale";
2352
2353        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2354            @Override
2355            public boolean validate(String value) {
2356                try {
2357                    return Float.parseFloat(value) >= 0;
2358                } catch (NumberFormatException e) {
2359                    return false;
2360                }
2361            }
2362        };
2363
2364        /**
2365         * Name of an application package to be debugged.
2366         *
2367         * @deprecated Use {@link Global#DEBUG_APP} instead
2368         */
2369        @Deprecated
2370        public static final String DEBUG_APP = Global.DEBUG_APP;
2371
2372        /**
2373         * If 1, when launching DEBUG_APP it will wait for the debugger before
2374         * starting user code.  If 0, it will run normally.
2375         *
2376         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2377         */
2378        @Deprecated
2379        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2380
2381        /**
2382         * Whether or not to dim the screen. 0=no  1=yes
2383         * @deprecated This setting is no longer used.
2384         */
2385        @Deprecated
2386        public static final String DIM_SCREEN = "dim_screen";
2387
2388        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2389
2390        /**
2391         * The amount of time in milliseconds before the device goes to sleep or begins
2392         * to dream after a period of inactivity.  This value is also known as the
2393         * user activity timeout period since the screen isn't necessarily turned off
2394         * when it expires.
2395         */
2396        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2397
2398        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2399
2400        /**
2401         * The screen backlight brightness between 0 and 255.
2402         */
2403        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2404
2405        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2406                new InclusiveIntegerRangeValidator(0, 255);
2407
2408        /**
2409         * Control whether to enable automatic brightness mode.
2410         */
2411        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2412
2413        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2414
2415        /**
2416         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2417         * or less (<0.0 >-1.0) bright.
2418         * @hide
2419         */
2420        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2421
2422        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2423                new InclusiveFloatRangeValidator(-1, 1);
2424
2425        /**
2426         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2427         */
2428        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2429
2430        /**
2431         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2432         */
2433        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2434
2435        /**
2436         * Control whether the process CPU usage meter should be shown.
2437         *
2438         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2439         */
2440        @Deprecated
2441        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2442
2443        /**
2444         * If 1, the activity manager will aggressively finish activities and
2445         * processes as soon as they are no longer needed.  If 0, the normal
2446         * extended lifetime is used.
2447         *
2448         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2449         */
2450        @Deprecated
2451        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2452
2453        /**
2454         * Determines which streams are affected by ringer mode changes. The
2455         * stream type's bit should be set to 1 if it should be muted when going
2456         * into an inaudible ringer mode.
2457         */
2458        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2459
2460        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2461                sNonNegativeIntegerValidator;
2462
2463        /**
2464          * Determines which streams are affected by mute. The
2465          * stream type's bit should be set to 1 if it should be muted when a mute request
2466          * is received.
2467          */
2468        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2469
2470        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2471                sNonNegativeIntegerValidator;
2472
2473        /**
2474         * Whether vibrate is on for different events. This is used internally,
2475         * changing this value will not change the vibrate. See AudioManager.
2476         */
2477        public static final String VIBRATE_ON = "vibrate_on";
2478
2479        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2480
2481        /**
2482         * If 1, redirects the system vibrator to all currently attached input devices
2483         * that support vibration.  If there are no such input devices, then the system
2484         * vibrator is used instead.
2485         * If 0, does not register the system vibrator.
2486         *
2487         * This setting is mainly intended to provide a compatibility mechanism for
2488         * applications that only know about the system vibrator and do not use the
2489         * input device vibrator API.
2490         *
2491         * @hide
2492         */
2493        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2494
2495        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2496
2497        /**
2498         * Ringer volume. This is used internally, changing this value will not
2499         * change the volume. See AudioManager.
2500         *
2501         * @removed Not used by anything since API 2.
2502         */
2503        public static final String VOLUME_RING = "volume_ring";
2504
2505        /**
2506         * System/notifications volume. This is used internally, changing this
2507         * value will not change the volume. See AudioManager.
2508         *
2509         * @removed Not used by anything since API 2.
2510         */
2511        public static final String VOLUME_SYSTEM = "volume_system";
2512
2513        /**
2514         * Voice call volume. This is used internally, changing this value will
2515         * not change the volume. See AudioManager.
2516         *
2517         * @removed Not used by anything since API 2.
2518         */
2519        public static final String VOLUME_VOICE = "volume_voice";
2520
2521        /**
2522         * Music/media/gaming volume. This is used internally, changing this
2523         * value will not change the volume. See AudioManager.
2524         *
2525         * @removed Not used by anything since API 2.
2526         */
2527        public static final String VOLUME_MUSIC = "volume_music";
2528
2529        /**
2530         * Alarm volume. This is used internally, changing this
2531         * value will not change the volume. See AudioManager.
2532         *
2533         * @removed Not used by anything since API 2.
2534         */
2535        public static final String VOLUME_ALARM = "volume_alarm";
2536
2537        /**
2538         * Notification volume. This is used internally, changing this
2539         * value will not change the volume. See AudioManager.
2540         *
2541         * @removed Not used by anything since API 2.
2542         */
2543        public static final String VOLUME_NOTIFICATION = "volume_notification";
2544
2545        /**
2546         * Bluetooth Headset volume. This is used internally, changing this value will
2547         * not change the volume. See AudioManager.
2548         *
2549         * @removed Not used by anything since API 2.
2550         */
2551        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2552
2553        /**
2554         * Master volume (float in the range 0.0f to 1.0f).
2555         *
2556         * @hide
2557         */
2558        public static final String VOLUME_MASTER = "volume_master";
2559
2560        /**
2561         * Master volume mute (int 1 = mute, 0 = not muted).
2562         *
2563         * @hide
2564         */
2565        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2566
2567        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2568
2569        /**
2570         * Microphone mute (int 1 = mute, 0 = not muted).
2571         *
2572         * @hide
2573         */
2574        public static final String MICROPHONE_MUTE = "microphone_mute";
2575
2576        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2577
2578        /**
2579         * Whether the notifications should use the ring volume (value of 1) or
2580         * a separate notification volume (value of 0). In most cases, users
2581         * will have this enabled so the notification and ringer volumes will be
2582         * the same. However, power users can disable this and use the separate
2583         * notification volume control.
2584         * <p>
2585         * Note: This is a one-off setting that will be removed in the future
2586         * when there is profile support. For this reason, it is kept hidden
2587         * from the public APIs.
2588         *
2589         * @hide
2590         * @deprecated
2591         */
2592        @Deprecated
2593        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2594            "notifications_use_ring_volume";
2595
2596        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2597
2598        /**
2599         * Whether silent mode should allow vibration feedback. This is used
2600         * internally in AudioService and the Sound settings activity to
2601         * coordinate decoupling of vibrate and silent modes. This setting
2602         * will likely be removed in a future release with support for
2603         * audio/vibe feedback profiles.
2604         *
2605         * Not used anymore. On devices with vibrator, the user explicitly selects
2606         * silent or vibrate mode.
2607         * Kept for use by legacy database upgrade code in DatabaseHelper.
2608         * @hide
2609         */
2610        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2611
2612        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2613
2614        /**
2615         * The mapping of stream type (integer) to its setting.
2616         *
2617         * @removed  Not used by anything since API 2.
2618         */
2619        public static final String[] VOLUME_SETTINGS = {
2620            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2621            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2622        };
2623
2624        /**
2625         * Appended to various volume related settings to record the previous
2626         * values before they the settings were affected by a silent/vibrate
2627         * ringer mode change.
2628         *
2629         * @removed  Not used by anything since API 2.
2630         */
2631        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2632
2633        /**
2634         * Persistent store for the system-wide default ringtone URI.
2635         * <p>
2636         * If you need to play the default ringtone at any given time, it is recommended
2637         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2638         * to the set default ringtone at the time of playing.
2639         *
2640         * @see #DEFAULT_RINGTONE_URI
2641         */
2642        public static final String RINGTONE = "ringtone";
2643
2644        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2645
2646        /**
2647         * A {@link Uri} that will point to the current default ringtone at any
2648         * given time.
2649         * <p>
2650         * If the current default ringtone is in the DRM provider and the caller
2651         * does not have permission, the exception will be a
2652         * FileNotFoundException.
2653         */
2654        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2655
2656        /**
2657         * Persistent store for the system-wide default notification sound.
2658         *
2659         * @see #RINGTONE
2660         * @see #DEFAULT_NOTIFICATION_URI
2661         */
2662        public static final String NOTIFICATION_SOUND = "notification_sound";
2663
2664        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2665
2666        /**
2667         * A {@link Uri} that will point to the current default notification
2668         * sound at any given time.
2669         *
2670         * @see #DEFAULT_RINGTONE_URI
2671         */
2672        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2673
2674        /**
2675         * Persistent store for the system-wide default alarm alert.
2676         *
2677         * @see #RINGTONE
2678         * @see #DEFAULT_ALARM_ALERT_URI
2679         */
2680        public static final String ALARM_ALERT = "alarm_alert";
2681
2682        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2683
2684        /**
2685         * A {@link Uri} that will point to the current default alarm alert at
2686         * any given time.
2687         *
2688         * @see #DEFAULT_ALARM_ALERT_URI
2689         */
2690        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2691
2692        /**
2693         * Persistent store for the system default media button event receiver.
2694         *
2695         * @hide
2696         */
2697        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2698
2699        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2700            @Override
2701            public boolean validate(String value) {
2702                try {
2703                    ComponentName.unflattenFromString(value);
2704                    return true;
2705                } catch (NullPointerException e) {
2706                    return false;
2707                }
2708            }
2709        };
2710
2711        /**
2712         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2713         */
2714        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2715
2716        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2717
2718        /**
2719         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2720         */
2721        public static final String TEXT_AUTO_CAPS = "auto_caps";
2722
2723        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2724
2725        /**
2726         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2727         * feature converts two spaces to a "." and space.
2728         */
2729        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2730
2731        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2732
2733        /**
2734         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2735         */
2736        public static final String TEXT_SHOW_PASSWORD = "show_password";
2737
2738        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2739
2740        public static final String SHOW_GTALK_SERVICE_STATUS =
2741                "SHOW_GTALK_SERVICE_STATUS";
2742
2743        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2744
2745        /**
2746         * Name of activity to use for wallpaper on the home screen.
2747         *
2748         * @deprecated Use {@link WallpaperManager} instead.
2749         */
2750        @Deprecated
2751        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2752
2753        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2754            private static final int MAX_LENGTH = 1000;
2755
2756            @Override
2757            public boolean validate(String value) {
2758                if (value != null && value.length() > MAX_LENGTH) {
2759                    return false;
2760                }
2761                return ComponentName.unflattenFromString(value) != null;
2762            }
2763        };
2764
2765        /**
2766         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2767         * instead
2768         */
2769        @Deprecated
2770        public static final String AUTO_TIME = Global.AUTO_TIME;
2771
2772        /**
2773         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2774         * instead
2775         */
2776        @Deprecated
2777        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2778
2779        /**
2780         * Display times as 12 or 24 hours
2781         *   12
2782         *   24
2783         */
2784        public static final String TIME_12_24 = "time_12_24";
2785
2786        /** @hide */
2787        public static final Validator TIME_12_24_VALIDATOR =
2788                new DiscreteValueValidator(new String[] {"12", "24"});
2789
2790        /**
2791         * Date format string
2792         *   mm/dd/yyyy
2793         *   dd/mm/yyyy
2794         *   yyyy/mm/dd
2795         */
2796        public static final String DATE_FORMAT = "date_format";
2797
2798        /** @hide */
2799        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2800            @Override
2801            public boolean validate(String value) {
2802                try {
2803                    new SimpleDateFormat(value);
2804                    return true;
2805                } catch (IllegalArgumentException e) {
2806                    return false;
2807                }
2808            }
2809        };
2810
2811        /**
2812         * Whether the setup wizard has been run before (on first boot), or if
2813         * it still needs to be run.
2814         *
2815         * nonzero = it has been run in the past
2816         * 0 = it has not been run in the past
2817         */
2818        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2819
2820        /** @hide */
2821        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2822
2823        /**
2824         * Scaling factor for normal window animations. Setting to 0 will disable window
2825         * animations.
2826         *
2827         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2828         */
2829        @Deprecated
2830        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2831
2832        /**
2833         * Scaling factor for activity transition animations. Setting to 0 will disable window
2834         * animations.
2835         *
2836         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2837         */
2838        @Deprecated
2839        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2840
2841        /**
2842         * Scaling factor for Animator-based animations. This affects both the start delay and
2843         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2844         * The default value is 1.
2845         *
2846         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2847         */
2848        @Deprecated
2849        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2850
2851        /**
2852         * Control whether the accelerometer will be used to change screen
2853         * orientation.  If 0, it will not be used unless explicitly requested
2854         * by the application; if 1, it will be used by default unless explicitly
2855         * disabled by the application.
2856         */
2857        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2858
2859        /** @hide */
2860        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2861
2862        /**
2863         * Default screen rotation when no other policy applies.
2864         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2865         * preference, this rotation value will be used. Must be one of the
2866         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2867         *
2868         * @see android.view.Display#getRotation
2869         */
2870        public static final String USER_ROTATION = "user_rotation";
2871
2872        /** @hide */
2873        public static final Validator USER_ROTATION_VALIDATOR =
2874                new InclusiveIntegerRangeValidator(0, 3);
2875
2876        /**
2877         * Control whether the rotation lock toggle in the System UI should be hidden.
2878         * Typically this is done for accessibility purposes to make it harder for
2879         * the user to accidentally toggle the rotation lock while the display rotation
2880         * has been locked for accessibility.
2881         *
2882         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2883         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2884         *
2885         * @hide
2886         */
2887        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2888                "hide_rotation_lock_toggle_for_accessibility";
2889
2890        /** @hide */
2891        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2892                sBooleanValidator;
2893
2894        /**
2895         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2896         * be used by Phone and Setting apps; it shouldn't affect other apps.
2897         * The value is boolean (1 or 0).
2898         *
2899         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2900         * It was about AudioManager's setting and thus affected all the applications which
2901         * relied on the setting, while this is purely about the vibration setting for incoming
2902         * calls.
2903         */
2904        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2905
2906        /** @hide */
2907        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2908
2909        /**
2910         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2911         * boolean (1 or 0).
2912         */
2913        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2914
2915        /** @hide */
2916        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2917
2918        /**
2919         * CDMA only settings
2920         * DTMF tone type played by the dialer when dialing.
2921         *                 0 = Normal
2922         *                 1 = Long
2923         */
2924        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2925
2926        /** @hide */
2927        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2928
2929        /**
2930         * Whether the hearing aid is enabled. The value is
2931         * boolean (1 or 0).
2932         * @hide
2933         */
2934        public static final String HEARING_AID = "hearing_aid";
2935
2936        /** @hide */
2937        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2938
2939        /**
2940         * CDMA only settings
2941         * TTY Mode
2942         * 0 = OFF
2943         * 1 = FULL
2944         * 2 = VCO
2945         * 3 = HCO
2946         * @hide
2947         */
2948        public static final String TTY_MODE = "tty_mode";
2949
2950        /** @hide */
2951        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2952
2953        /**
2954         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2955         * boolean (1 or 0).
2956         */
2957        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2958
2959        /** @hide */
2960        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
2961
2962        /**
2963         * Whether the haptic feedback (long presses, ...) are enabled. The value is
2964         * boolean (1 or 0).
2965         */
2966        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
2967
2968        /** @hide */
2969        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
2970
2971        /**
2972         * @deprecated Each application that shows web suggestions should have its own
2973         * setting for this.
2974         */
2975        @Deprecated
2976        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
2977
2978        /** @hide */
2979        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
2980
2981        /**
2982         * Whether the notification LED should repeatedly flash when a notification is
2983         * pending. The value is boolean (1 or 0).
2984         * @hide
2985         */
2986        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
2987
2988        /** @hide */
2989        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
2990
2991        /**
2992         * Show pointer location on screen?
2993         * 0 = no
2994         * 1 = yes
2995         * @hide
2996         */
2997        public static final String POINTER_LOCATION = "pointer_location";
2998
2999        /** @hide */
3000        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3001
3002        /**
3003         * Show touch positions on screen?
3004         * 0 = no
3005         * 1 = yes
3006         * @hide
3007         */
3008        public static final String SHOW_TOUCHES = "show_touches";
3009
3010        /** @hide */
3011        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3012
3013        /**
3014         * Log raw orientation data from
3015         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3016         * orientationplot.py tool.
3017         * 0 = no
3018         * 1 = yes
3019         * @hide
3020         */
3021        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3022                "window_orientation_listener_log";
3023
3024        /** @hide */
3025        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3026
3027        /**
3028         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3029         * instead
3030         * @hide
3031         */
3032        @Deprecated
3033        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3034
3035        /**
3036         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3037         * instead
3038         * @hide
3039         */
3040        @Deprecated
3041        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3042
3043        /**
3044         * Whether to play sounds when the keyguard is shown and dismissed.
3045         * @hide
3046         */
3047        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3048
3049        /** @hide */
3050        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3051
3052        /**
3053         * Whether the lockscreen should be completely disabled.
3054         * @hide
3055         */
3056        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3057
3058        /** @hide */
3059        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3060
3061        /**
3062         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3063         * instead
3064         * @hide
3065         */
3066        @Deprecated
3067        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3068
3069        /**
3070         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3071         * instead
3072         * @hide
3073         */
3074        @Deprecated
3075        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3076
3077        /**
3078         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3079         * instead
3080         * @hide
3081         */
3082        @Deprecated
3083        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3084
3085        /**
3086         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3087         * instead
3088         * @hide
3089         */
3090        @Deprecated
3091        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3092
3093        /**
3094         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3095         * instead
3096         * @hide
3097         */
3098        @Deprecated
3099        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3100
3101        /**
3102         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3103         * instead
3104         * @hide
3105         */
3106        @Deprecated
3107        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3108
3109        /**
3110         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3111         * instead
3112         * @hide
3113         */
3114        @Deprecated
3115        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3116
3117        /**
3118         * Receive incoming SIP calls?
3119         * 0 = no
3120         * 1 = yes
3121         * @hide
3122         */
3123        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3124
3125        /** @hide */
3126        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3127
3128        /**
3129         * Call Preference String.
3130         * "SIP_ALWAYS" : Always use SIP with network access
3131         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3132         * @hide
3133         */
3134        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3135
3136        /** @hide */
3137        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3138                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3139
3140        /**
3141         * One of the sip call options: Always use SIP with network access.
3142         * @hide
3143         */
3144        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3145
3146        /** @hide */
3147        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3148
3149        /**
3150         * One of the sip call options: Only if destination is a SIP address.
3151         * @hide
3152         */
3153        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3154
3155        /** @hide */
3156        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3157
3158        /**
3159         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3160         * the user should be prompted each time a call is made whether it should be placed using
3161         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3162         * SIP_ADDRESS_ONLY.
3163         * @hide
3164         */
3165        @Deprecated
3166        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3167
3168        /** @hide */
3169        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3170
3171        /**
3172         * Pointer speed setting.
3173         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3174         *   -7 = slowest
3175         *    0 = default speed
3176         *   +7 = fastest
3177         * @hide
3178         */
3179        public static final String POINTER_SPEED = "pointer_speed";
3180
3181        /** @hide */
3182        public static final Validator POINTER_SPEED_VALIDATOR =
3183                new InclusiveFloatRangeValidator(-7, 7);
3184
3185        /**
3186         * Whether lock-to-app will be triggered by long-press on recents.
3187         * @hide
3188         */
3189        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3190
3191        /** @hide */
3192        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3193
3194        /**
3195         * I am the lolrus.
3196         * <p>
3197         * Nonzero values indicate that the user has a bukkit.
3198         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3199         * @hide
3200         */
3201        public static final String EGG_MODE = "egg_mode";
3202
3203        /** @hide */
3204        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3205            @Override
3206            public boolean validate(String value) {
3207                try {
3208                    return Long.parseLong(value) >= 0;
3209                } catch (NumberFormatException e) {
3210                    return false;
3211                }
3212            }
3213        };
3214
3215        /**
3216         * IMPORTANT: If you add a new public settings you also have to add it to
3217         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3218         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3219         * the setting value. See an example above.
3220         */
3221
3222        /**
3223         * Settings to backup. This is here so that it's in the same place as the settings
3224         * keys and easy to update.
3225         *
3226         * NOTE: Settings are backed up and restored in the order they appear
3227         *       in this array. If you have one setting depending on another,
3228         *       make sure that they are ordered appropriately.
3229         *
3230         * @hide
3231         */
3232        public static final String[] SETTINGS_TO_BACKUP = {
3233            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3234            WIFI_USE_STATIC_IP,
3235            WIFI_STATIC_IP,
3236            WIFI_STATIC_GATEWAY,
3237            WIFI_STATIC_NETMASK,
3238            WIFI_STATIC_DNS1,
3239            WIFI_STATIC_DNS2,
3240            BLUETOOTH_DISCOVERABILITY,
3241            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3242            DIM_SCREEN,
3243            SCREEN_OFF_TIMEOUT,
3244            SCREEN_BRIGHTNESS,
3245            SCREEN_BRIGHTNESS_MODE,
3246            SCREEN_AUTO_BRIGHTNESS_ADJ,
3247            VIBRATE_INPUT_DEVICES,
3248            MODE_RINGER_STREAMS_AFFECTED,
3249            TEXT_AUTO_REPLACE,
3250            TEXT_AUTO_CAPS,
3251            TEXT_AUTO_PUNCTUATE,
3252            TEXT_SHOW_PASSWORD,
3253            AUTO_TIME,                  // moved to global
3254            AUTO_TIME_ZONE,             // moved to global
3255            TIME_12_24,
3256            DATE_FORMAT,
3257            DTMF_TONE_WHEN_DIALING,
3258            DTMF_TONE_TYPE_WHEN_DIALING,
3259            HEARING_AID,
3260            TTY_MODE,
3261            SOUND_EFFECTS_ENABLED,
3262            HAPTIC_FEEDBACK_ENABLED,
3263            POWER_SOUNDS_ENABLED,       // moved to global
3264            DOCK_SOUNDS_ENABLED,        // moved to global
3265            LOCKSCREEN_SOUNDS_ENABLED,
3266            SHOW_WEB_SUGGESTIONS,
3267            SIP_CALL_OPTIONS,
3268            SIP_RECEIVE_CALLS,
3269            POINTER_SPEED,
3270            VIBRATE_WHEN_RINGING,
3271            RINGTONE,
3272            LOCK_TO_APP_ENABLED,
3273            NOTIFICATION_SOUND
3274        };
3275
3276        /**
3277         * These are all public system settings
3278         *
3279         * @hide
3280         */
3281        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3282        static {
3283            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3284            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3285            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3286            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3287            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3288            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3289            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3290            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3291            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3292            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3293            PUBLIC_SETTINGS.add(FONT_SCALE);
3294            PUBLIC_SETTINGS.add(DIM_SCREEN);
3295            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3296            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3297            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3298            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3299            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3300            PUBLIC_SETTINGS.add(VIBRATE_ON);
3301            PUBLIC_SETTINGS.add(VOLUME_RING);
3302            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3303            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3304            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3305            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3306            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3307            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3308            PUBLIC_SETTINGS.add(RINGTONE);
3309            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3310            PUBLIC_SETTINGS.add(ALARM_ALERT);
3311            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3312            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3313            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3314            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3315            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3316            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3317            PUBLIC_SETTINGS.add(TIME_12_24);
3318            PUBLIC_SETTINGS.add(DATE_FORMAT);
3319            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3320            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3321            PUBLIC_SETTINGS.add(USER_ROTATION);
3322            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3323            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3324            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3325            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3326        }
3327
3328        /**
3329         * These are all hidden system settings.
3330         *
3331         * @hide
3332         */
3333        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3334        static {
3335            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3336            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3337            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3338            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3339            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3340            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3341            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3342            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3343            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3344            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3345            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3346            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3347            PRIVATE_SETTINGS.add(VIBRATE_WHEN_RINGING);
3348            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3349            PRIVATE_SETTINGS.add(HEARING_AID);
3350            PRIVATE_SETTINGS.add(TTY_MODE);
3351            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3352            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3353            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3354            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3355            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3356            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3357            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3358            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3359            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3360            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3361            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3362            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3363            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3364            PRIVATE_SETTINGS.add(LOCK_SOUND);
3365            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3366            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3367            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3368            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3369            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3370            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3371            PRIVATE_SETTINGS.add(POINTER_SPEED);
3372            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3373            PRIVATE_SETTINGS.add(EGG_MODE);
3374        }
3375
3376        /**
3377         * These are all public system settings
3378         *
3379         * @hide
3380         */
3381        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3382        static {
3383            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3384            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3385            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3386            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3387                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3388            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3389            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3390            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3391            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3392            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3393            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3394            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3395            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3396            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3397            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3398            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3399            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3400            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3401            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3402            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3403            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3404            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3405            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3406            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3407            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3408            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3409            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3410            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3411            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3412            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3413            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3414            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3415            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3416            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3417            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3418            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3419            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3420            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3421            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3422            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3423            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3424            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3425            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3426                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3427            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3428            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3429            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3430            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3431            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3432            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3433            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3434            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3435                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3436            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3437            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3438            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3439            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3440            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3441            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3442            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3443            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3444            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3445            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3446            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3447            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3448            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3449            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3450            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3451        }
3452
3453        /**
3454         * These entries are considered common between the personal and the managed profile,
3455         * since the managed profile doesn't get to change them.
3456         */
3457        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3458        static {
3459            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3460            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3461            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3462            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3463            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3464        }
3465
3466        /** @hide */
3467        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3468            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3469        }
3470
3471        /**
3472         * When to use Wi-Fi calling
3473         *
3474         * @see android.telephony.TelephonyManager.WifiCallingChoices
3475         * @hide
3476         */
3477        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3478
3479        // Settings moved to Settings.Secure
3480
3481        /**
3482         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3483         * instead
3484         */
3485        @Deprecated
3486        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3487
3488        /**
3489         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3490         */
3491        @Deprecated
3492        public static final String ANDROID_ID = Secure.ANDROID_ID;
3493
3494        /**
3495         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3496         */
3497        @Deprecated
3498        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3499
3500        /**
3501         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3502         */
3503        @Deprecated
3504        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3505
3506        /**
3507         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3508         */
3509        @Deprecated
3510        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3511
3512        /**
3513         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3514         */
3515        @Deprecated
3516        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3517
3518        /**
3519         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3520         */
3521        @Deprecated
3522        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3523
3524        /**
3525         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3526         * instead
3527         */
3528        @Deprecated
3529        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3530
3531        /**
3532         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3533         */
3534        @Deprecated
3535        public static final String LOGGING_ID = Secure.LOGGING_ID;
3536
3537        /**
3538         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3539         */
3540        @Deprecated
3541        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3542
3543        /**
3544         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3545         * instead
3546         */
3547        @Deprecated
3548        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3549
3550        /**
3551         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3552         * instead
3553         */
3554        @Deprecated
3555        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3556
3557        /**
3558         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3559         * instead
3560         */
3561        @Deprecated
3562        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3563            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3564
3565        /**
3566         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3567         */
3568        @Deprecated
3569        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3570
3571        /**
3572         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3573         */
3574        @Deprecated
3575        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3576
3577        /**
3578         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3579         */
3580        @Deprecated
3581        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3582
3583       /**
3584         * @deprecated Use
3585         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3586         */
3587        @Deprecated
3588        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3589
3590        /**
3591         * @deprecated Use
3592         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3593         */
3594        @Deprecated
3595        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3596                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3597
3598        /**
3599         * @deprecated Use
3600         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3601         */
3602        @Deprecated
3603        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3604                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3605
3606        /**
3607         * @deprecated Use
3608         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3609         */
3610        @Deprecated
3611        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3612                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3613
3614        /**
3615         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3616         * instead
3617         */
3618        @Deprecated
3619        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3620
3621        /**
3622         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3623         */
3624        @Deprecated
3625        public static final String WIFI_ON = Global.WIFI_ON;
3626
3627        /**
3628         * @deprecated Use
3629         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3630         * instead
3631         */
3632        @Deprecated
3633        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3634                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3635
3636        /**
3637         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3638         */
3639        @Deprecated
3640        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3641
3642        /**
3643         * @deprecated Use
3644         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3645         */
3646        @Deprecated
3647        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3648                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3649
3650        /**
3651         * @deprecated Use
3652         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3653         */
3654        @Deprecated
3655        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3656                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3657
3658        /**
3659         * @deprecated Use
3660         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3661         * instead
3662         */
3663        @Deprecated
3664        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3665                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3666
3667        /**
3668         * @deprecated Use
3669         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3670         */
3671        @Deprecated
3672        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3673            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3674
3675        /**
3676         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3677         * instead
3678         */
3679        @Deprecated
3680        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3681
3682        /**
3683         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3684         */
3685        @Deprecated
3686        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3687
3688        /**
3689         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3690         */
3691        @Deprecated
3692        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3693
3694        /**
3695         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3696         * instead
3697         */
3698        @Deprecated
3699        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3700
3701        /**
3702         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3703         * instead
3704         */
3705        @Deprecated
3706        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3707            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3708
3709        /**
3710         * An app can use this method to check if it is currently allowed to write or modify system
3711         * settings. In order to gain write access to the system settings, an app must declare the
3712         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3713         * currently disallowed, it can prompt the user to grant it this capability through a
3714         * management UI by sending an Intent with action
3715         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3716         *
3717         * @param context A context
3718         * @return true if the calling app can write to system settings, false otherwise
3719         */
3720        public static boolean canWrite(Context context) {
3721            int uid = Binder.getCallingUid();
3722            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3723                    context, uid), false);
3724        }
3725    }
3726
3727    /**
3728     * Secure system settings, containing system preferences that applications
3729     * can read but are not allowed to write.  These are for preferences that
3730     * the user must explicitly modify through the system UI or specialized
3731     * APIs for those values, not modified directly by applications.
3732     */
3733    public static final class Secure extends NameValueTable {
3734        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3735
3736        /**
3737         * The content:// style URL for this table
3738         */
3739        public static final Uri CONTENT_URI =
3740            Uri.parse("content://" + AUTHORITY + "/secure");
3741
3742        // Populated lazily, guarded by class object:
3743        private static final NameValueCache sNameValueCache = new NameValueCache(
3744                SYS_PROP_SETTING_VERSION,
3745                CONTENT_URI,
3746                CALL_METHOD_GET_SECURE,
3747                CALL_METHOD_PUT_SECURE);
3748
3749        private static ILockSettings sLockSettings = null;
3750
3751        private static boolean sIsSystemProcess;
3752        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3753        private static final HashSet<String> MOVED_TO_GLOBAL;
3754        static {
3755            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3756            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3757            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3758            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3759
3760            MOVED_TO_GLOBAL = new HashSet<String>();
3761            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3762            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3763            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3764            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3765            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3766            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3767            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3768            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3769            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3770            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3771            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3772            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3773            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3774            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3775            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3776            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3777            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3778            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3779            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3780            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3781            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3782            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3783            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3784            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3785            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3786            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3787            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3788            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3789            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3790            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3791            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3792            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3793            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3794            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3795            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3796            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3797            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3798            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3799            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3800            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3801            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3802            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3803            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3804            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3805            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3806            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3807            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3808            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3809            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3810            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3811            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3812            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3813            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3814            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3815            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3816            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3817            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3818            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3819            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3820            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3821            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3822            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3823            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3824            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3825            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3826            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3827            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3828            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3829            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3830            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3831            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3832            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3833            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3834            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3835            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3836            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3837            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3838            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3839            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3840            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3841            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3842            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3843            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3844            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3845            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3846            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3847            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3848            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3849            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3850            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3851            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3852            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3853            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3854            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3855            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3856            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3857            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3858            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3859            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3860            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3861            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3862            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3863            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3864            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3865            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3866            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3867            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3868            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3869            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3870            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3871            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3872            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3873        }
3874
3875        /** @hide */
3876        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3877            outKeySet.addAll(MOVED_TO_GLOBAL);
3878        }
3879
3880        /**
3881         * Look up a name in the database.
3882         * @param resolver to access the database with
3883         * @param name to look up in the table
3884         * @return the corresponding value, or null if not present
3885         */
3886        public static String getString(ContentResolver resolver, String name) {
3887            return getStringForUser(resolver, name, UserHandle.myUserId());
3888        }
3889
3890        /** @hide */
3891        public static String getStringForUser(ContentResolver resolver, String name,
3892                int userHandle) {
3893            if (MOVED_TO_GLOBAL.contains(name)) {
3894                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3895                        + " to android.provider.Settings.Global.");
3896                return Global.getStringForUser(resolver, name, userHandle);
3897            }
3898
3899            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3900                synchronized (Secure.class) {
3901                    if (sLockSettings == null) {
3902                        sLockSettings = ILockSettings.Stub.asInterface(
3903                                (IBinder) ServiceManager.getService("lock_settings"));
3904                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3905                    }
3906                }
3907                if (sLockSettings != null && !sIsSystemProcess) {
3908                    // No context; use the ActivityThread's context as an approximation for
3909                    // determining the target API level.
3910                    Application application = ActivityThread.currentApplication();
3911
3912                    boolean isPreMnc = application != null
3913                            && application.getApplicationInfo() != null
3914                            && application.getApplicationInfo().targetSdkVersion
3915                            <= VERSION_CODES.LOLLIPOP_MR1;
3916                    if (isPreMnc) {
3917                        try {
3918                            return sLockSettings.getString(name, "0", userHandle);
3919                        } catch (RemoteException re) {
3920                            // Fall through
3921                        }
3922                    } else {
3923                        throw new SecurityException("Settings.Secure." + name
3924                                + " is deprecated and no longer accessible."
3925                                + " See API documentation for potential replacements.");
3926                    }
3927                }
3928            }
3929
3930            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3931        }
3932
3933        /**
3934         * Store a name/value pair into the database.
3935         * @param resolver to access the database with
3936         * @param name to store
3937         * @param value to associate with the name
3938         * @return true if the value was set, false on database errors
3939         */
3940        public static boolean putString(ContentResolver resolver, String name, String value) {
3941            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3942        }
3943
3944        /** @hide */
3945        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3946                int userHandle) {
3947            if (LOCATION_MODE.equals(name)) {
3948                // HACK ALERT: temporary hack to work around b/10491283.
3949                // TODO: once b/10491283 fixed, remove this hack
3950                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3951            }
3952            if (MOVED_TO_GLOBAL.contains(name)) {
3953                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3954                        + " to android.provider.Settings.Global");
3955                return Global.putStringForUser(resolver, name, value, userHandle);
3956            }
3957            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
3958        }
3959
3960        /**
3961         * Construct the content URI for a particular name/value pair,
3962         * useful for monitoring changes with a ContentObserver.
3963         * @param name to look up in the table
3964         * @return the corresponding content URI, or null if not present
3965         */
3966        public static Uri getUriFor(String name) {
3967            if (MOVED_TO_GLOBAL.contains(name)) {
3968                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3969                        + " to android.provider.Settings.Global, returning global URI.");
3970                return Global.getUriFor(Global.CONTENT_URI, name);
3971            }
3972            return getUriFor(CONTENT_URI, name);
3973        }
3974
3975        /**
3976         * Convenience function for retrieving a single secure settings value
3977         * as an integer.  Note that internally setting values are always
3978         * stored as strings; this function converts the string to an integer
3979         * for you.  The default value will be returned if the setting is
3980         * not defined or not an integer.
3981         *
3982         * @param cr The ContentResolver to access.
3983         * @param name The name of the setting to retrieve.
3984         * @param def Value to return if the setting is not defined.
3985         *
3986         * @return The setting's current value, or 'def' if it is not defined
3987         * or not a valid integer.
3988         */
3989        public static int getInt(ContentResolver cr, String name, int def) {
3990            return getIntForUser(cr, name, def, UserHandle.myUserId());
3991        }
3992
3993        /** @hide */
3994        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
3995            if (LOCATION_MODE.equals(name)) {
3996                // HACK ALERT: temporary hack to work around b/10491283.
3997                // TODO: once b/10491283 fixed, remove this hack
3998                return getLocationModeForUser(cr, userHandle);
3999            }
4000            String v = getStringForUser(cr, name, userHandle);
4001            try {
4002                return v != null ? Integer.parseInt(v) : def;
4003            } catch (NumberFormatException e) {
4004                return def;
4005            }
4006        }
4007
4008        /**
4009         * Convenience function for retrieving a single secure settings value
4010         * as an integer.  Note that internally setting values are always
4011         * stored as strings; this function converts the string to an integer
4012         * for you.
4013         * <p>
4014         * This version does not take a default value.  If the setting has not
4015         * been set, or the string value is not a number,
4016         * it throws {@link SettingNotFoundException}.
4017         *
4018         * @param cr The ContentResolver to access.
4019         * @param name The name of the setting to retrieve.
4020         *
4021         * @throws SettingNotFoundException Thrown if a setting by the given
4022         * name can't be found or the setting value is not an integer.
4023         *
4024         * @return The setting's current value.
4025         */
4026        public static int getInt(ContentResolver cr, String name)
4027                throws SettingNotFoundException {
4028            return getIntForUser(cr, name, UserHandle.myUserId());
4029        }
4030
4031        /** @hide */
4032        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4033                throws SettingNotFoundException {
4034            if (LOCATION_MODE.equals(name)) {
4035                // HACK ALERT: temporary hack to work around b/10491283.
4036                // TODO: once b/10491283 fixed, remove this hack
4037                return getLocationModeForUser(cr, userHandle);
4038            }
4039            String v = getStringForUser(cr, name, userHandle);
4040            try {
4041                return Integer.parseInt(v);
4042            } catch (NumberFormatException e) {
4043                throw new SettingNotFoundException(name);
4044            }
4045        }
4046
4047        /**
4048         * Convenience function for updating a single settings value as an
4049         * integer. This will either create a new entry in the table if the
4050         * given name does not exist, or modify the value of the existing row
4051         * with that name.  Note that internally setting values are always
4052         * stored as strings, so this function converts the given value to a
4053         * string before storing it.
4054         *
4055         * @param cr The ContentResolver to access.
4056         * @param name The name of the setting to modify.
4057         * @param value The new value for the setting.
4058         * @return true if the value was set, false on database errors
4059         */
4060        public static boolean putInt(ContentResolver cr, String name, int value) {
4061            return putIntForUser(cr, name, value, UserHandle.myUserId());
4062        }
4063
4064        /** @hide */
4065        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4066                int userHandle) {
4067            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4068        }
4069
4070        /**
4071         * Convenience function for retrieving a single secure settings value
4072         * as a {@code long}.  Note that internally setting values are always
4073         * stored as strings; this function converts the string to a {@code long}
4074         * for you.  The default value will be returned if the setting is
4075         * not defined or not a {@code long}.
4076         *
4077         * @param cr The ContentResolver to access.
4078         * @param name The name of the setting to retrieve.
4079         * @param def Value to return if the setting is not defined.
4080         *
4081         * @return The setting's current value, or 'def' if it is not defined
4082         * or not a valid {@code long}.
4083         */
4084        public static long getLong(ContentResolver cr, String name, long def) {
4085            return getLongForUser(cr, name, def, UserHandle.myUserId());
4086        }
4087
4088        /** @hide */
4089        public static long getLongForUser(ContentResolver cr, String name, long def,
4090                int userHandle) {
4091            String valString = getStringForUser(cr, name, userHandle);
4092            long value;
4093            try {
4094                value = valString != null ? Long.parseLong(valString) : def;
4095            } catch (NumberFormatException e) {
4096                value = def;
4097            }
4098            return value;
4099        }
4100
4101        /**
4102         * Convenience function for retrieving a single secure settings value
4103         * as a {@code long}.  Note that internally setting values are always
4104         * stored as strings; this function converts the string to a {@code long}
4105         * for you.
4106         * <p>
4107         * This version does not take a default value.  If the setting has not
4108         * been set, or the string value is not a number,
4109         * it throws {@link SettingNotFoundException}.
4110         *
4111         * @param cr The ContentResolver to access.
4112         * @param name The name of the setting to retrieve.
4113         *
4114         * @return The setting's current value.
4115         * @throws SettingNotFoundException Thrown if a setting by the given
4116         * name can't be found or the setting value is not an integer.
4117         */
4118        public static long getLong(ContentResolver cr, String name)
4119                throws SettingNotFoundException {
4120            return getLongForUser(cr, name, UserHandle.myUserId());
4121        }
4122
4123        /** @hide */
4124        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4125                throws SettingNotFoundException {
4126            String valString = getStringForUser(cr, name, userHandle);
4127            try {
4128                return Long.parseLong(valString);
4129            } catch (NumberFormatException e) {
4130                throw new SettingNotFoundException(name);
4131            }
4132        }
4133
4134        /**
4135         * Convenience function for updating a secure settings value as a long
4136         * integer. This will either create a new entry in the table if the
4137         * given name does not exist, or modify the value of the existing row
4138         * with that name.  Note that internally setting values are always
4139         * stored as strings, so this function converts the given value to a
4140         * string before storing it.
4141         *
4142         * @param cr The ContentResolver to access.
4143         * @param name The name of the setting to modify.
4144         * @param value The new value for the setting.
4145         * @return true if the value was set, false on database errors
4146         */
4147        public static boolean putLong(ContentResolver cr, String name, long value) {
4148            return putLongForUser(cr, name, value, UserHandle.myUserId());
4149        }
4150
4151        /** @hide */
4152        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4153                int userHandle) {
4154            return putStringForUser(cr, name, Long.toString(value), userHandle);
4155        }
4156
4157        /**
4158         * Convenience function for retrieving a single secure settings value
4159         * as a floating point number.  Note that internally setting values are
4160         * always stored as strings; this function converts the string to an
4161         * float for you. The default value will be returned if the setting
4162         * is not defined or not a valid float.
4163         *
4164         * @param cr The ContentResolver to access.
4165         * @param name The name of the setting to retrieve.
4166         * @param def Value to return if the setting is not defined.
4167         *
4168         * @return The setting's current value, or 'def' if it is not defined
4169         * or not a valid float.
4170         */
4171        public static float getFloat(ContentResolver cr, String name, float def) {
4172            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4173        }
4174
4175        /** @hide */
4176        public static float getFloatForUser(ContentResolver cr, String name, float def,
4177                int userHandle) {
4178            String v = getStringForUser(cr, name, userHandle);
4179            try {
4180                return v != null ? Float.parseFloat(v) : def;
4181            } catch (NumberFormatException e) {
4182                return def;
4183            }
4184        }
4185
4186        /**
4187         * Convenience function for retrieving a single secure settings value
4188         * as a float.  Note that internally setting values are always
4189         * stored as strings; this function converts the string to a float
4190         * for you.
4191         * <p>
4192         * This version does not take a default value.  If the setting has not
4193         * been set, or the string value is not a number,
4194         * it throws {@link SettingNotFoundException}.
4195         *
4196         * @param cr The ContentResolver to access.
4197         * @param name The name of the setting to retrieve.
4198         *
4199         * @throws SettingNotFoundException Thrown if a setting by the given
4200         * name can't be found or the setting value is not a float.
4201         *
4202         * @return The setting's current value.
4203         */
4204        public static float getFloat(ContentResolver cr, String name)
4205                throws SettingNotFoundException {
4206            return getFloatForUser(cr, name, UserHandle.myUserId());
4207        }
4208
4209        /** @hide */
4210        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4211                throws SettingNotFoundException {
4212            String v = getStringForUser(cr, name, userHandle);
4213            if (v == null) {
4214                throw new SettingNotFoundException(name);
4215            }
4216            try {
4217                return Float.parseFloat(v);
4218            } catch (NumberFormatException e) {
4219                throw new SettingNotFoundException(name);
4220            }
4221        }
4222
4223        /**
4224         * Convenience function for updating a single settings value as a
4225         * floating point number. This will either create a new entry in the
4226         * table if the given name does not exist, or modify the value of the
4227         * existing row with that name.  Note that internally setting values
4228         * are always stored as strings, so this function converts the given
4229         * value to a string before storing it.
4230         *
4231         * @param cr The ContentResolver to access.
4232         * @param name The name of the setting to modify.
4233         * @param value The new value for the setting.
4234         * @return true if the value was set, false on database errors
4235         */
4236        public static boolean putFloat(ContentResolver cr, String name, float value) {
4237            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4238        }
4239
4240        /** @hide */
4241        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4242                int userHandle) {
4243            return putStringForUser(cr, name, Float.toString(value), userHandle);
4244        }
4245
4246        /**
4247         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4248         * instead
4249         */
4250        @Deprecated
4251        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4252                Global.DEVELOPMENT_SETTINGS_ENABLED;
4253
4254        /**
4255         * When the user has enable the option to have a "bug report" command
4256         * in the power menu.
4257         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4258         * @hide
4259         */
4260        @Deprecated
4261        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4262
4263        /**
4264         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4265         */
4266        @Deprecated
4267        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4268
4269        /**
4270         * Setting to allow mock locations and location provider status to be injected into the
4271         * LocationManager service for testing purposes during application development.  These
4272         * locations and status values  override actual location and status information generated
4273         * by network, gps, or other location providers.
4274         *
4275         * @deprecated This settings is not used anymore.
4276         */
4277        @Deprecated
4278        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4279
4280        /**
4281         * A 64-bit number (as a hex string) that is randomly
4282         * generated when the user first sets up the device and should remain
4283         * constant for the lifetime of the user's device. The value may
4284         * change if a factory reset is performed on the device.
4285         * <p class="note"><strong>Note:</strong> When a device has <a
4286         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4287         * (available on certain devices running Android 4.2 or higher), each user appears as a
4288         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4289         * user.</p>
4290         */
4291        public static final String ANDROID_ID = "android_id";
4292
4293        /**
4294         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4295         */
4296        @Deprecated
4297        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4298
4299        /**
4300         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4301         */
4302        @Deprecated
4303        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4304
4305        /**
4306         * Setting to record the input method used by default, holding the ID
4307         * of the desired method.
4308         */
4309        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4310
4311        /**
4312         * Setting to record the input method subtype used by default, holding the ID
4313         * of the desired method.
4314         */
4315        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4316                "selected_input_method_subtype";
4317
4318        /**
4319         * Setting to record the history of input method subtype, holding the pair of ID of IME
4320         * and its last used subtype.
4321         * @hide
4322         */
4323        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4324                "input_methods_subtype_history";
4325
4326        /**
4327         * Setting to record the visibility of input method selector
4328         */
4329        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4330                "input_method_selector_visibility";
4331
4332        /**
4333         * The currently selected voice interaction service flattened ComponentName.
4334         * @hide
4335         */
4336        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4337
4338        /**
4339         * bluetooth HCI snoop log configuration
4340         * @hide
4341         */
4342        public static final String BLUETOOTH_HCI_LOG =
4343                "bluetooth_hci_log";
4344
4345        /**
4346         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4347         */
4348        @Deprecated
4349        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4350
4351        /**
4352         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4353         * @hide
4354         */
4355        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4356
4357        /**
4358         * List of input methods that are currently enabled.  This is a string
4359         * containing the IDs of all enabled input methods, each ID separated
4360         * by ':'.
4361         */
4362        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4363
4364        /**
4365         * List of system input methods that are currently disabled.  This is a string
4366         * containing the IDs of all disabled input methods, each ID separated
4367         * by ':'.
4368         * @hide
4369         */
4370        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4371
4372        /**
4373         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4374         * determines if the IME should be shown when a hard keyboard is attached.
4375         * @hide
4376         */
4377        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4378
4379        /**
4380         * Host name and port for global http proxy. Uses ':' seperator for
4381         * between host and port.
4382         *
4383         * @deprecated Use {@link Global#HTTP_PROXY}
4384         */
4385        @Deprecated
4386        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4387
4388        /**
4389         * Whether applications can be installed for this user via the system's
4390         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4391         *
4392         * <p>1 = permit app installation via the system package installer intent
4393         * <p>0 = do not allow use of the package installer
4394         */
4395        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4396
4397        /**
4398         * Comma-separated list of location providers that activities may access. Do not rely on
4399         * this value being present in settings.db or on ContentObserver notifications on the
4400         * corresponding Uri.
4401         *
4402         * @deprecated use {@link #LOCATION_MODE} and
4403         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4404         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4405         */
4406        @Deprecated
4407        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4408
4409        /**
4410         * The degree of location access enabled by the user.
4411         * <p>
4412         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4413         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4414         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4415         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4416         * modes that might be added in the future.
4417         * <p>
4418         * Note: do not rely on this value being present in settings.db or on ContentObserver
4419         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4420         * to receive changes in this value.
4421         */
4422        public static final String LOCATION_MODE = "location_mode";
4423        /**
4424         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4425         * {@link #LOCATION_MODE_OFF}
4426         * @hide
4427         */
4428        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4429
4430        /**
4431         * Sets all location providers to the previous states before location was turned off.
4432         * @hide
4433         */
4434        public static final int LOCATION_MODE_PREVIOUS = -1;
4435        /**
4436         * Location access disabled.
4437         */
4438        public static final int LOCATION_MODE_OFF = 0;
4439        /**
4440         * Network Location Provider disabled, but GPS and other sensors enabled.
4441         */
4442        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4443        /**
4444         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4445         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4446         * {@link android.location.Criteria#POWER_MEDIUM}.
4447         */
4448        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4449        /**
4450         * Best-effort location computation allowed.
4451         */
4452        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4453
4454        /**
4455         * A flag containing settings used for biometric weak
4456         * @hide
4457         */
4458        @Deprecated
4459        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4460                "lock_biometric_weak_flags";
4461
4462        /**
4463         * Whether lock-to-app will lock the keyguard when exiting.
4464         * @hide
4465         */
4466        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4467
4468        /**
4469         * Whether autolock is enabled (0 = false, 1 = true)
4470         *
4471         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4472         *             level of the keyguard. Accessing this setting from an app that is targeting
4473         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4474         */
4475        @Deprecated
4476        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4477
4478        /**
4479         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4480         *
4481         * @deprecated Accessing this setting from an app that is targeting
4482         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4483         */
4484        @Deprecated
4485        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4486
4487        /**
4488         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4489         * true)
4490         *
4491         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4492         *             lockscreen uses
4493         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4494         *             Accessing this setting from an app that is targeting
4495         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4496         */
4497        @Deprecated
4498        public static final String
4499                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4500
4501        /**
4502         * This preference allows the device to be locked given time after screen goes off,
4503         * subject to current DeviceAdmin policy limits.
4504         * @hide
4505         */
4506        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4507
4508
4509        /**
4510         * This preference contains the string that shows for owner info on LockScreen.
4511         * @hide
4512         * @deprecated
4513         */
4514        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4515
4516        /**
4517         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4518         * @hide
4519         */
4520        @Deprecated
4521        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4522            "lock_screen_appwidget_ids";
4523
4524        /**
4525         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4526         * @hide
4527         */
4528        @Deprecated
4529        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4530            "lock_screen_fallback_appwidget_id";
4531
4532        /**
4533         * Index of the lockscreen appwidget to restore, -1 if none.
4534         * @hide
4535         */
4536        @Deprecated
4537        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4538            "lock_screen_sticky_appwidget";
4539
4540        /**
4541         * This preference enables showing the owner info on LockScreen.
4542         * @hide
4543         * @deprecated
4544         */
4545        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4546            "lock_screen_owner_info_enabled";
4547
4548        /**
4549         * When set by a user, allows notifications to be shown atop a securely locked screen
4550         * in their full "private" form (same as when the device is unlocked).
4551         * @hide
4552         */
4553        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4554                "lock_screen_allow_private_notifications";
4555
4556        /**
4557         * Set by the system to track if the user needs to see the call to action for
4558         * the lockscreen notification policy.
4559         * @hide
4560         */
4561        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4562                "show_note_about_notification_hiding";
4563
4564        /**
4565         * Set to 1 by the system after trust agents have been initialized.
4566         * @hide
4567         */
4568        public static final String TRUST_AGENTS_INITIALIZED =
4569                "trust_agents_initialized";
4570
4571        /**
4572         * The Logging ID (a unique 64-bit value) as a hex string.
4573         * Used as a pseudonymous identifier for logging.
4574         * @deprecated This identifier is poorly initialized and has
4575         * many collisions.  It should not be used.
4576         */
4577        @Deprecated
4578        public static final String LOGGING_ID = "logging_id";
4579
4580        /**
4581         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4582         */
4583        @Deprecated
4584        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4585
4586        /**
4587         * No longer supported.
4588         */
4589        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4590
4591        /**
4592         * No longer supported.
4593         */
4594        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4595
4596        /**
4597         * No longer supported.
4598         */
4599        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4600
4601        /**
4602         * Settings classname to launch when Settings is clicked from All
4603         * Applications.  Needed because of user testing between the old
4604         * and new Settings apps.
4605         */
4606        // TODO: 881807
4607        public static final String SETTINGS_CLASSNAME = "settings_classname";
4608
4609        /**
4610         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4611         */
4612        @Deprecated
4613        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4614
4615        /**
4616         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4617         */
4618        @Deprecated
4619        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4620
4621        /**
4622         * If accessibility is enabled.
4623         */
4624        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4625
4626        /**
4627         * If touch exploration is enabled.
4628         */
4629        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4630
4631        /**
4632         * List of the enabled accessibility providers.
4633         */
4634        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4635            "enabled_accessibility_services";
4636
4637        /**
4638         * List of the accessibility services to which the user has granted
4639         * permission to put the device into touch exploration mode.
4640         *
4641         * @hide
4642         */
4643        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4644            "touch_exploration_granted_accessibility_services";
4645
4646        /**
4647         * Whether to speak passwords while in accessibility mode.
4648         */
4649        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4650
4651        /**
4652         * Whether to draw text with high contrast while in accessibility mode.
4653         *
4654         * @hide
4655         */
4656        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4657                "high_text_contrast_enabled";
4658
4659        /**
4660         * If injection of accessibility enhancing JavaScript screen-reader
4661         * is enabled.
4662         * <p>
4663         *   Note: The JavaScript based screen-reader is served by the
4664         *   Google infrastructure and enable users with disabilities to
4665         *   efficiently navigate in and explore web content.
4666         * </p>
4667         * <p>
4668         *   This property represents a boolean value.
4669         * </p>
4670         * @hide
4671         */
4672        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4673            "accessibility_script_injection";
4674
4675        /**
4676         * The URL for the injected JavaScript based screen-reader used
4677         * for providing accessibility of content in WebView.
4678         * <p>
4679         *   Note: The JavaScript based screen-reader is served by the
4680         *   Google infrastructure and enable users with disabilities to
4681         *   efficiently navigate in and explore web content.
4682         * </p>
4683         * <p>
4684         *   This property represents a string value.
4685         * </p>
4686         * @hide
4687         */
4688        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4689            "accessibility_script_injection_url";
4690
4691        /**
4692         * Key bindings for navigation in built-in accessibility support for web content.
4693         * <p>
4694         *   Note: These key bindings are for the built-in accessibility navigation for
4695         *   web content which is used as a fall back solution if JavaScript in a WebView
4696         *   is not enabled or the user has not opted-in script injection from Google.
4697         * </p>
4698         * <p>
4699         *   The bindings are separated by semi-colon. A binding is a mapping from
4700         *   a key to a sequence of actions (for more details look at
4701         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4702         *   string representation of an integer obtained from a meta state (optional) shifted
4703         *   sixteen times left and bitwise ored with a key code. An action is represented
4704         *   as a hexademical string representation of an integer where the first two digits
4705         *   are navigation action index, the second, the third, and the fourth digit pairs
4706         *   represent the action arguments. The separate actions in a binding are colon
4707         *   separated. The key and the action sequence it maps to are separated by equals.
4708         * </p>
4709         * <p>
4710         *   For example, the binding below maps the DPAD right button to traverse the
4711         *   current navigation axis once without firing an accessibility event and to
4712         *   perform the same traversal again but to fire an event:
4713         *   <code>
4714         *     0x16=0x01000100:0x01000101;
4715         *   </code>
4716         * </p>
4717         * <p>
4718         *   The goal of this binding is to enable dynamic rebinding of keys to
4719         *   navigation actions for web content without requiring a framework change.
4720         * </p>
4721         * <p>
4722         *   This property represents a string value.
4723         * </p>
4724         * @hide
4725         */
4726        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4727            "accessibility_web_content_key_bindings";
4728
4729        /**
4730         * Setting that specifies whether the display magnification is enabled.
4731         * Display magnifications allows the user to zoom in the display content
4732         * and is targeted to low vision users. The current magnification scale
4733         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4734         *
4735         * @hide
4736         */
4737        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4738                "accessibility_display_magnification_enabled";
4739
4740        /**
4741         * Setting that specifies what the display magnification scale is.
4742         * Display magnifications allows the user to zoom in the display
4743         * content and is targeted to low vision users. Whether a display
4744         * magnification is performed is controlled by
4745         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4746         *
4747         * @hide
4748         */
4749        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4750                "accessibility_display_magnification_scale";
4751
4752        /**
4753         * Setting that specifies whether the display magnification should be
4754         * automatically updated. If this fearture is enabled the system will
4755         * exit magnification mode or pan the viewport when a context change
4756         * occurs. For example, on staring a new activity or rotating the screen,
4757         * the system may zoom out so the user can see the new context he is in.
4758         * Another example is on showing a window that is not visible in the
4759         * magnified viewport the system may pan the viewport to make the window
4760         * the has popped up so the user knows that the context has changed.
4761         * Whether a screen magnification is performed is controlled by
4762         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4763         *
4764         * @hide
4765         */
4766        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4767                "accessibility_display_magnification_auto_update";
4768
4769        /**
4770         * Setting that specifies whether timed text (captions) should be
4771         * displayed in video content. Text display properties are controlled by
4772         * the following settings:
4773         * <ul>
4774         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4775         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4776         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4777         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4778         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4779         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4780         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4781         * </ul>
4782         *
4783         * @hide
4784         */
4785        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4786                "accessibility_captioning_enabled";
4787
4788        /**
4789         * Setting that specifies the language for captions as a locale string,
4790         * e.g. en_US.
4791         *
4792         * @see java.util.Locale#toString
4793         * @hide
4794         */
4795        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4796                "accessibility_captioning_locale";
4797
4798        /**
4799         * Integer property that specifies the preset style for captions, one
4800         * of:
4801         * <ul>
4802         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4803         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4804         * </ul>
4805         *
4806         * @see java.util.Locale#toString
4807         * @hide
4808         */
4809        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4810                "accessibility_captioning_preset";
4811
4812        /**
4813         * Integer property that specifes the background color for captions as a
4814         * packed 32-bit color.
4815         *
4816         * @see android.graphics.Color#argb
4817         * @hide
4818         */
4819        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4820                "accessibility_captioning_background_color";
4821
4822        /**
4823         * Integer property that specifes the foreground color for captions as a
4824         * packed 32-bit color.
4825         *
4826         * @see android.graphics.Color#argb
4827         * @hide
4828         */
4829        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4830                "accessibility_captioning_foreground_color";
4831
4832        /**
4833         * Integer property that specifes the edge type for captions, one of:
4834         * <ul>
4835         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4836         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4837         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4838         * </ul>
4839         *
4840         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4841         * @hide
4842         */
4843        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4844                "accessibility_captioning_edge_type";
4845
4846        /**
4847         * Integer property that specifes the edge color for captions as a
4848         * packed 32-bit color.
4849         *
4850         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4851         * @see android.graphics.Color#argb
4852         * @hide
4853         */
4854        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4855                "accessibility_captioning_edge_color";
4856
4857        /**
4858         * Integer property that specifes the window color for captions as a
4859         * packed 32-bit color.
4860         *
4861         * @see android.graphics.Color#argb
4862         * @hide
4863         */
4864        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4865                "accessibility_captioning_window_color";
4866
4867        /**
4868         * String property that specifies the typeface for captions, one of:
4869         * <ul>
4870         * <li>DEFAULT
4871         * <li>MONOSPACE
4872         * <li>SANS_SERIF
4873         * <li>SERIF
4874         * </ul>
4875         *
4876         * @see android.graphics.Typeface
4877         * @hide
4878         */
4879        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4880                "accessibility_captioning_typeface";
4881
4882        /**
4883         * Floating point property that specifies font scaling for captions.
4884         *
4885         * @hide
4886         */
4887        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4888                "accessibility_captioning_font_scale";
4889
4890        /**
4891         * Setting that specifies whether display color inversion is enabled.
4892         */
4893        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4894                "accessibility_display_inversion_enabled";
4895
4896        /**
4897         * Setting that specifies whether display color space adjustment is
4898         * enabled.
4899         *
4900         * @hide
4901         */
4902        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4903                "accessibility_display_daltonizer_enabled";
4904
4905        /**
4906         * Integer property that specifies the type of color space adjustment to
4907         * perform. Valid values are defined in AccessibilityManager.
4908         *
4909         * @hide
4910         */
4911        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4912                "accessibility_display_daltonizer";
4913
4914        /**
4915         * Float list that specifies the color matrix to apply to
4916         * the display. Valid values are defined in AccessibilityManager.
4917         *
4918         * @hide
4919         */
4920        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
4921                "accessibility_display_color_matrix";
4922
4923        /**
4924         * Setting that specifies whether automatic click when the mouse pointer stops moving is
4925         * enabled.
4926         *
4927         * @hide
4928         */
4929        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
4930                "accessibility_autoclick_enabled";
4931
4932        /**
4933         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
4934         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
4935         *
4936         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
4937         * @hide
4938         */
4939        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
4940                "accessibility_autoclick_delay";
4941
4942        /**
4943         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
4944         * accessibility.
4945         * (0 = false, 1 = true)
4946         * @hide
4947         */
4948        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
4949                "accessibility_large_pointer_icon";
4950
4951        /**
4952         * The timeout for considering a press to be a long press in milliseconds.
4953         * @hide
4954         */
4955        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4956
4957        /**
4958         * List of the enabled print services.
4959         * @hide
4960         */
4961        public static final String ENABLED_PRINT_SERVICES =
4962            "enabled_print_services";
4963
4964        /**
4965         * List of the system print services we enabled on first boot. On
4966         * first boot we enable all system, i.e. bundled print services,
4967         * once, so they work out-of-the-box.
4968         * @hide
4969         */
4970        public static final String ENABLED_ON_FIRST_BOOT_SYSTEM_PRINT_SERVICES =
4971            "enabled_on_first_boot_system_print_services";
4972
4973        /**
4974         * Setting to always use the default text-to-speech settings regardless
4975         * of the application settings.
4976         * 1 = override application settings,
4977         * 0 = use application settings (if specified).
4978         *
4979         * @deprecated  The value of this setting is no longer respected by
4980         * the framework text to speech APIs as of the Ice Cream Sandwich release.
4981         */
4982        @Deprecated
4983        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
4984
4985        /**
4986         * Default text-to-speech engine speech rate. 100 = 1x
4987         */
4988        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
4989
4990        /**
4991         * Default text-to-speech engine pitch. 100 = 1x
4992         */
4993        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
4994
4995        /**
4996         * Default text-to-speech engine.
4997         */
4998        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
4999
5000        /**
5001         * Default text-to-speech language.
5002         *
5003         * @deprecated this setting is no longer in use, as of the Ice Cream
5004         * Sandwich release. Apps should never need to read this setting directly,
5005         * instead can query the TextToSpeech framework classes for the default
5006         * locale. {@link TextToSpeech#getLanguage()}.
5007         */
5008        @Deprecated
5009        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5010
5011        /**
5012         * Default text-to-speech country.
5013         *
5014         * @deprecated this setting is no longer in use, as of the Ice Cream
5015         * Sandwich release. Apps should never need to read this setting directly,
5016         * instead can query the TextToSpeech framework classes for the default
5017         * locale. {@link TextToSpeech#getLanguage()}.
5018         */
5019        @Deprecated
5020        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5021
5022        /**
5023         * Default text-to-speech locale variant.
5024         *
5025         * @deprecated this setting is no longer in use, as of the Ice Cream
5026         * Sandwich release. Apps should never need to read this setting directly,
5027         * instead can query the TextToSpeech framework classes for the
5028         * locale that is in use {@link TextToSpeech#getLanguage()}.
5029         */
5030        @Deprecated
5031        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5032
5033        /**
5034         * Stores the default tts locales on a per engine basis. Stored as
5035         * a comma seperated list of values, each value being of the form
5036         * {@code engine_name:locale} for example,
5037         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5038         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5039         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5040         * setting directly, and can query the TextToSpeech framework classes
5041         * for the locale that is in use.
5042         *
5043         * @hide
5044         */
5045        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5046
5047        /**
5048         * Space delimited list of plugin packages that are enabled.
5049         */
5050        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5051
5052        /**
5053         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5054         * instead.
5055         */
5056        @Deprecated
5057        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5058                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5059
5060        /**
5061         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5062         * instead.
5063         */
5064        @Deprecated
5065        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5066                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5067
5068        /**
5069         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5070         * instead.
5071         */
5072        @Deprecated
5073        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5074                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5075
5076        /**
5077         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5078         * instead.
5079         */
5080        @Deprecated
5081        public static final String WIFI_ON = Global.WIFI_ON;
5082
5083        /**
5084         * The acceptable packet loss percentage (range 0 - 100) before trying
5085         * another AP on the same network.
5086         * @deprecated This setting is not used.
5087         */
5088        @Deprecated
5089        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5090                "wifi_watchdog_acceptable_packet_loss_percentage";
5091
5092        /**
5093         * The number of access points required for a network in order for the
5094         * watchdog to monitor it.
5095         * @deprecated This setting is not used.
5096         */
5097        @Deprecated
5098        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5099
5100        /**
5101         * The delay between background checks.
5102         * @deprecated This setting is not used.
5103         */
5104        @Deprecated
5105        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5106                "wifi_watchdog_background_check_delay_ms";
5107
5108        /**
5109         * Whether the Wi-Fi watchdog is enabled for background checking even
5110         * after it thinks the user has connected to a good access point.
5111         * @deprecated This setting is not used.
5112         */
5113        @Deprecated
5114        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5115                "wifi_watchdog_background_check_enabled";
5116
5117        /**
5118         * The timeout for a background ping
5119         * @deprecated This setting is not used.
5120         */
5121        @Deprecated
5122        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5123                "wifi_watchdog_background_check_timeout_ms";
5124
5125        /**
5126         * The number of initial pings to perform that *may* be ignored if they
5127         * fail. Again, if these fail, they will *not* be used in packet loss
5128         * calculation. For example, one network always seemed to time out for
5129         * the first couple pings, so this is set to 3 by default.
5130         * @deprecated This setting is not used.
5131         */
5132        @Deprecated
5133        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5134            "wifi_watchdog_initial_ignored_ping_count";
5135
5136        /**
5137         * The maximum number of access points (per network) to attempt to test.
5138         * If this number is reached, the watchdog will no longer monitor the
5139         * initial connection state for the network. This is a safeguard for
5140         * networks containing multiple APs whose DNS does not respond to pings.
5141         * @deprecated This setting is not used.
5142         */
5143        @Deprecated
5144        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5145
5146        /**
5147         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5148         */
5149        @Deprecated
5150        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5151
5152        /**
5153         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5154         * @deprecated This setting is not used.
5155         */
5156        @Deprecated
5157        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5158
5159        /**
5160         * The number of pings to test if an access point is a good connection.
5161         * @deprecated This setting is not used.
5162         */
5163        @Deprecated
5164        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5165
5166        /**
5167         * The delay between pings.
5168         * @deprecated This setting is not used.
5169         */
5170        @Deprecated
5171        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5172
5173        /**
5174         * The timeout per ping.
5175         * @deprecated This setting is not used.
5176         */
5177        @Deprecated
5178        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5179
5180        /**
5181         * @deprecated Use
5182         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5183         */
5184        @Deprecated
5185        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5186
5187        /**
5188         * @deprecated Use
5189         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5190         */
5191        @Deprecated
5192        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5193                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5194
5195        /**
5196         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5197         * the receivers of the PendingIntent an opportunity to make a new network request before
5198         * the Network satisfying the request is potentially removed.
5199         *
5200         * @hide
5201         */
5202        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5203                "connectivity_release_pending_intent_delay_ms";
5204
5205        /**
5206         * Whether background data usage is allowed.
5207         *
5208         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5209         *             availability of background data depends on several
5210         *             combined factors. When background data is unavailable,
5211         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5212         *             now appear disconnected.
5213         */
5214        @Deprecated
5215        public static final String BACKGROUND_DATA = "background_data";
5216
5217        /**
5218         * Origins for which browsers should allow geolocation by default.
5219         * The value is a space-separated list of origins.
5220         */
5221        public static final String ALLOWED_GEOLOCATION_ORIGINS
5222                = "allowed_geolocation_origins";
5223
5224        /**
5225         * The preferred TTY mode     0 = TTy Off, CDMA default
5226         *                            1 = TTY Full
5227         *                            2 = TTY HCO
5228         *                            3 = TTY VCO
5229         * @hide
5230         */
5231        public static final String PREFERRED_TTY_MODE =
5232                "preferred_tty_mode";
5233
5234        /**
5235         * Whether the enhanced voice privacy mode is enabled.
5236         * 0 = normal voice privacy
5237         * 1 = enhanced voice privacy
5238         * @hide
5239         */
5240        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5241
5242        /**
5243         * Whether the TTY mode mode is enabled.
5244         * 0 = disabled
5245         * 1 = enabled
5246         * @hide
5247         */
5248        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5249
5250        /**
5251         * Controls whether settings backup is enabled.
5252         * Type: int ( 0 = disabled, 1 = enabled )
5253         * @hide
5254         */
5255        public static final String BACKUP_ENABLED = "backup_enabled";
5256
5257        /**
5258         * Controls whether application data is automatically restored from backup
5259         * at install time.
5260         * Type: int ( 0 = disabled, 1 = enabled )
5261         * @hide
5262         */
5263        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5264
5265        /**
5266         * Indicates whether settings backup has been fully provisioned.
5267         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5268         * @hide
5269         */
5270        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5271
5272        /**
5273         * Component of the transport to use for backup/restore.
5274         * @hide
5275         */
5276        public static final String BACKUP_TRANSPORT = "backup_transport";
5277
5278        /**
5279         * Version for which the setup wizard was last shown.  Bumped for
5280         * each release when there is new setup information to show.
5281         * @hide
5282         */
5283        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5284
5285        /**
5286         * The interval in milliseconds after which Wi-Fi is considered idle.
5287         * When idle, it is possible for the device to be switched from Wi-Fi to
5288         * the mobile data network.
5289         * @hide
5290         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5291         * instead.
5292         */
5293        @Deprecated
5294        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5295
5296        /**
5297         * The global search provider chosen by the user (if multiple global
5298         * search providers are installed). This will be the provider returned
5299         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5300         * installed. This setting is stored as a flattened component name as
5301         * per {@link ComponentName#flattenToString()}.
5302         *
5303         * @hide
5304         */
5305        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5306                "search_global_search_activity";
5307
5308        /**
5309         * The number of promoted sources in GlobalSearch.
5310         * @hide
5311         */
5312        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5313        /**
5314         * The maximum number of suggestions returned by GlobalSearch.
5315         * @hide
5316         */
5317        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5318        /**
5319         * The number of suggestions GlobalSearch will ask each non-web search source for.
5320         * @hide
5321         */
5322        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5323        /**
5324         * The number of suggestions the GlobalSearch will ask the web search source for.
5325         * @hide
5326         */
5327        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5328                "search_web_results_override_limit";
5329        /**
5330         * The number of milliseconds that GlobalSearch will wait for suggestions from
5331         * promoted sources before continuing with all other sources.
5332         * @hide
5333         */
5334        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5335                "search_promoted_source_deadline_millis";
5336        /**
5337         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5338         * @hide
5339         */
5340        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5341        /**
5342         * The maximum number of milliseconds that GlobalSearch shows the previous results
5343         * after receiving a new query.
5344         * @hide
5345         */
5346        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5347        /**
5348         * The maximum age of log data used for shortcuts in GlobalSearch.
5349         * @hide
5350         */
5351        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5352        /**
5353         * The maximum age of log data used for source ranking in GlobalSearch.
5354         * @hide
5355         */
5356        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5357                "search_max_source_event_age_millis";
5358        /**
5359         * The minimum number of impressions needed to rank a source in GlobalSearch.
5360         * @hide
5361         */
5362        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5363                "search_min_impressions_for_source_ranking";
5364        /**
5365         * The minimum number of clicks needed to rank a source in GlobalSearch.
5366         * @hide
5367         */
5368        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5369                "search_min_clicks_for_source_ranking";
5370        /**
5371         * The maximum number of shortcuts shown by GlobalSearch.
5372         * @hide
5373         */
5374        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5375        /**
5376         * The size of the core thread pool for suggestion queries in GlobalSearch.
5377         * @hide
5378         */
5379        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5380                "search_query_thread_core_pool_size";
5381        /**
5382         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5383         * @hide
5384         */
5385        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5386                "search_query_thread_max_pool_size";
5387        /**
5388         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5389         * @hide
5390         */
5391        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5392                "search_shortcut_refresh_core_pool_size";
5393        /**
5394         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5395         * @hide
5396         */
5397        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5398                "search_shortcut_refresh_max_pool_size";
5399        /**
5400         * The maximun time that excess threads in the GlobalSeach thread pools will
5401         * wait before terminating.
5402         * @hide
5403         */
5404        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5405                "search_thread_keepalive_seconds";
5406        /**
5407         * The maximum number of concurrent suggestion queries to each source.
5408         * @hide
5409         */
5410        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5411                "search_per_source_concurrent_query_limit";
5412
5413        /**
5414         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5415         * @hide
5416         */
5417        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5418
5419        /**
5420         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5421         * @hide
5422         */
5423        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5424
5425        /**
5426         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5427         * @hide
5428         */
5429        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5430
5431        /**
5432         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5433         * @hide
5434         */
5435        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5436
5437        /**
5438         * If nonzero, ANRs in invisible background processes bring up a dialog.
5439         * Otherwise, the process will be silently killed.
5440         * @hide
5441         */
5442        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5443
5444        /**
5445         * The {@link ComponentName} string of the service to be used as the voice recognition
5446         * service.
5447         *
5448         * @hide
5449         */
5450        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5451
5452        /**
5453         * Stores whether an user has consented to have apps verified through PAM.
5454         * The value is boolean (1 or 0).
5455         *
5456         * @hide
5457         */
5458        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5459            "package_verifier_user_consent";
5460
5461        /**
5462         * The {@link ComponentName} string of the selected spell checker service which is
5463         * one of the services managed by the text service manager.
5464         *
5465         * @hide
5466         */
5467        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5468
5469        /**
5470         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5471         * service which is one of the services managed by the text service manager.
5472         *
5473         * @hide
5474         */
5475        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5476                "selected_spell_checker_subtype";
5477
5478        /**
5479         * The {@link ComponentName} string whether spell checker is enabled or not.
5480         *
5481         * @hide
5482         */
5483        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5484
5485        /**
5486         * What happens when the user presses the Power button while in-call
5487         * and the screen is on.<br/>
5488         * <b>Values:</b><br/>
5489         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5490         * 2 - The Power button hangs up the current call.<br/>
5491         *
5492         * @hide
5493         */
5494        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5495
5496        /**
5497         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5498         * @hide
5499         */
5500        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5501
5502        /**
5503         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5504         * @hide
5505         */
5506        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5507
5508        /**
5509         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5510         * @hide
5511         */
5512        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5513                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5514
5515        /**
5516         * Whether the device should wake when the wake gesture sensor detects motion.
5517         * @hide
5518         */
5519        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5520
5521        /**
5522         * Whether the device should doze if configured.
5523         * @hide
5524         */
5525        public static final String DOZE_ENABLED = "doze_enabled";
5526
5527        /**
5528         * The current night mode that has been selected by the user.  Owned
5529         * and controlled by UiModeManagerService.  Constants are as per
5530         * UiModeManager.
5531         * @hide
5532         */
5533        public static final String UI_NIGHT_MODE = "ui_night_mode";
5534
5535        /**
5536         * Whether screensavers are enabled.
5537         * @hide
5538         */
5539        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5540
5541        /**
5542         * The user's chosen screensaver components.
5543         *
5544         * These will be launched by the PhoneWindowManager after a timeout when not on
5545         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5546         * @hide
5547         */
5548        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5549
5550        /**
5551         * If screensavers are enabled, whether the screensaver should be automatically launched
5552         * when the device is inserted into a (desk) dock.
5553         * @hide
5554         */
5555        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5556
5557        /**
5558         * If screensavers are enabled, whether the screensaver should be automatically launched
5559         * when the screen times out when not on battery.
5560         * @hide
5561         */
5562        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5563
5564        /**
5565         * If screensavers are enabled, the default screensaver component.
5566         * @hide
5567         */
5568        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5569
5570        /**
5571         * The default NFC payment component
5572         * @hide
5573         */
5574        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5575
5576        /**
5577         * Whether NFC payment is handled by the foreground application or a default.
5578         * @hide
5579         */
5580        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5581
5582        /**
5583         * Specifies the package name currently configured to be the primary sms application
5584         * @hide
5585         */
5586        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5587
5588        /**
5589         * Specifies the package name currently configured to be the default dialer application
5590         * @hide
5591         */
5592        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5593
5594        /**
5595         * Specifies the package name currently configured to be the emergency assistance application
5596         *
5597         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5598         *
5599         * @hide
5600         */
5601        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5602
5603        /**
5604         * Specifies whether the current app context on scren (assist data) will be sent to the
5605         * assist application (active voice interaction service).
5606         *
5607         * @hide
5608         */
5609        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5610
5611        /**
5612         * Specifies whether a screenshot of the screen contents will be sent to the assist
5613         * application (active voice interaction service).
5614         *
5615         * @hide
5616         */
5617        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5618
5619        /**
5620         * Names of the service components that the current user has explicitly allowed to
5621         * see all of the user's notifications, separated by ':'.
5622         *
5623         * @hide
5624         */
5625        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5626
5627        /**
5628         * Names of the packages that the current user has explicitly allowed to
5629         * manage notification policy configuration, separated by ':'.
5630         */
5631        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5632                "enabled_notification_policy_access_packages";
5633
5634        /** @hide */
5635        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5636
5637        /** @hide */
5638        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5639                = "volume_controller_service_component";
5640
5641        /** @hide */
5642        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5643
5644        /**
5645         * This is the query URI for finding a print service to install.
5646         *
5647         * @hide
5648         */
5649        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5650
5651        /**
5652         * This is the query URI for finding a NFC payment service to install.
5653         *
5654         * @hide
5655         */
5656        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5657
5658        /**
5659         * If enabled, apps should try to skip any introductory hints on first launch. This might
5660         * apply to users that are already familiar with the environment or temporary users.
5661         * <p>
5662         * Type : int (0 to show hints, 1 to skip showing hints)
5663         */
5664        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5665
5666        /**
5667         * Persisted playback time after a user confirmation of an unsafe volume level.
5668         *
5669         * @hide
5670         */
5671        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5672
5673        /**
5674         * This preference enables notification display on the lockscreen.
5675         * @hide
5676         */
5677        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5678                "lock_screen_show_notifications";
5679
5680        /**
5681         * List of TV inputs that are currently hidden. This is a string
5682         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5683         * {@link android.net.Uri#encode(String)} and separated by ':'.
5684         * @hide
5685         */
5686        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5687
5688        /**
5689         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5690         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5691         * and separated by ','. Each pair is separated by ':'.
5692         * @hide
5693         */
5694        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5695
5696        /**
5697         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5698         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5699         * and 0 means automatic routing is enabled.
5700         *
5701         * @hide
5702         */
5703        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5704                "usb_audio_automatic_routing_disabled";
5705
5706        /**
5707         * The timeout in milliseconds before the device fully goes to sleep after
5708         * a period of inactivity.  This value sets an upper bound on how long the device
5709         * will stay awake or dreaming without user activity.  It should generally
5710         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5711         * will sleep before it ever has a chance to dream.
5712         * <p>
5713         * Use -1 to disable this timeout.
5714         * </p>
5715         *
5716         * @hide
5717         */
5718        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5719
5720        /**
5721         * Controls whether double tap to wake is enabled.
5722         * @hide
5723         */
5724        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5725
5726        /**
5727         * The current assistant component. It could be a voice interaction service,
5728         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5729         * handling.
5730         *
5731         * @hide
5732         */
5733        public static final String ASSISTANT = "assistant";
5734
5735        /**
5736         * Whether the camera launch gesture should be disabled.
5737         *
5738         * @hide
5739         */
5740        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5741
5742        /**
5743         * Whether the camera launch gesture to double tap the power button when the screen is off
5744         * should be disabled.
5745         *
5746         * @hide
5747         */
5748        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5749                "camera_double_tap_power_gesture_disabled";
5750
5751        /**
5752         * This are the settings to be backed up.
5753         *
5754         * NOTE: Settings are backed up and restored in the order they appear
5755         *       in this array. If you have one setting depending on another,
5756         *       make sure that they are ordered appropriately.
5757         *
5758         * @hide
5759         */
5760        public static final String[] SETTINGS_TO_BACKUP = {
5761            BUGREPORT_IN_POWER_MENU,                            // moved to global
5762            ALLOW_MOCK_LOCATION,
5763            PARENTAL_CONTROL_ENABLED,
5764            PARENTAL_CONTROL_REDIRECT_URL,
5765            USB_MASS_STORAGE_ENABLED,                           // moved to global
5766            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5767            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5768            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5769            ACCESSIBILITY_SCRIPT_INJECTION,
5770            BACKUP_AUTO_RESTORE,
5771            ENABLED_ACCESSIBILITY_SERVICES,
5772            ENABLED_NOTIFICATION_LISTENERS,
5773            ENABLED_INPUT_METHODS,
5774            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5775            TOUCH_EXPLORATION_ENABLED,
5776            ACCESSIBILITY_ENABLED,
5777            ACCESSIBILITY_SPEAK_PASSWORD,
5778            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5779            ACCESSIBILITY_CAPTIONING_ENABLED,
5780            ACCESSIBILITY_CAPTIONING_LOCALE,
5781            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5782            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5783            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5784            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5785            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5786            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5787            TTS_USE_DEFAULTS,
5788            TTS_DEFAULT_RATE,
5789            TTS_DEFAULT_PITCH,
5790            TTS_DEFAULT_SYNTH,
5791            TTS_DEFAULT_LANG,
5792            TTS_DEFAULT_COUNTRY,
5793            TTS_ENABLED_PLUGINS,
5794            TTS_DEFAULT_LOCALE,
5795            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5796            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5797            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5798            SELECTED_SPELL_CHECKER,
5799            SELECTED_SPELL_CHECKER_SUBTYPE,
5800            SPELL_CHECKER_ENABLED,
5801            MOUNT_PLAY_NOTIFICATION_SND,
5802            MOUNT_UMS_AUTOSTART,
5803            MOUNT_UMS_PROMPT,
5804            MOUNT_UMS_NOTIFY_ENABLED,
5805            UI_NIGHT_MODE,
5806            SLEEP_TIMEOUT,
5807            DOUBLE_TAP_TO_WAKE,
5808            CAMERA_GESTURE_DISABLED,
5809            ACCESSIBILITY_AUTOCLICK_ENABLED,
5810            ACCESSIBILITY_AUTOCLICK_DELAY
5811        };
5812
5813        /**
5814         * These entries are considered common between the personal and the managed profile,
5815         * since the managed profile doesn't get to change them.
5816         */
5817        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5818
5819        static {
5820            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5821            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5822            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5823            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5824            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5825            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5826            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5827            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5828            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5829            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5830            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5831            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5832            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5833        }
5834
5835        /** @hide */
5836        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5837            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5838        }
5839
5840        /**
5841         * Helper method for determining if a location provider is enabled.
5842         *
5843         * @param cr the content resolver to use
5844         * @param provider the location provider to query
5845         * @return true if the provider is enabled
5846         *
5847         * @deprecated use {@link #LOCATION_MODE} or
5848         *             {@link LocationManager#isProviderEnabled(String)}
5849         */
5850        @Deprecated
5851        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5852            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5853        }
5854
5855        /**
5856         * Helper method for determining if a location provider is enabled.
5857         * @param cr the content resolver to use
5858         * @param provider the location provider to query
5859         * @param userId the userId to query
5860         * @return true if the provider is enabled
5861         * @deprecated use {@link #LOCATION_MODE} or
5862         *             {@link LocationManager#isProviderEnabled(String)}
5863         * @hide
5864         */
5865        @Deprecated
5866        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5867            String allowedProviders = Settings.Secure.getStringForUser(cr,
5868                    LOCATION_PROVIDERS_ALLOWED, userId);
5869            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5870        }
5871
5872        /**
5873         * Thread-safe method for enabling or disabling a single location provider.
5874         * @param cr the content resolver to use
5875         * @param provider the location provider to enable or disable
5876         * @param enabled true if the provider should be enabled
5877         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5878         */
5879        @Deprecated
5880        public static final void setLocationProviderEnabled(ContentResolver cr,
5881                String provider, boolean enabled) {
5882            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5883        }
5884
5885        /**
5886         * Thread-safe method for enabling or disabling a single location provider.
5887         *
5888         * @param cr the content resolver to use
5889         * @param provider the location provider to enable or disable
5890         * @param enabled true if the provider should be enabled
5891         * @param userId the userId for which to enable/disable providers
5892         * @return true if the value was set, false on database errors
5893         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5894         *             {@link #LOCATION_MODE}
5895         * @hide
5896         */
5897        @Deprecated
5898        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5899                String provider, boolean enabled, int userId) {
5900            synchronized (mLocationSettingsLock) {
5901                // to ensure thread safety, we write the provider name with a '+' or '-'
5902                // and let the SettingsProvider handle it rather than reading and modifying
5903                // the list of enabled providers.
5904                if (enabled) {
5905                    provider = "+" + provider;
5906                } else {
5907                    provider = "-" + provider;
5908                }
5909                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5910                        userId);
5911            }
5912        }
5913
5914        /**
5915         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
5916         */
5917        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
5918            final int mode = getLocationModeForUser(cr, userId);
5919            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
5920        }
5921
5922        /**
5923         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
5924         */
5925        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
5926            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
5927                    LOCATION_MODE_HIGH_ACCURACY, userId);
5928            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
5929            // turn on location any longer.
5930            if (mode == LOCATION_MODE_OFF) {
5931                mode = LOCATION_MODE_HIGH_ACCURACY;
5932            }
5933            return setLocationModeForUser(cr, mode, userId);
5934        }
5935
5936        /**
5937         * Thread-safe method for setting the location mode to one of
5938         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5939         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5940         *
5941         * @param cr the content resolver to use
5942         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
5943         * @param userId the userId for which to change mode
5944         * @return true if the value was set, false on database errors
5945         *
5946         * @throws IllegalArgumentException if mode is not one of the supported values
5947         */
5948        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
5949                int userId) {
5950            synchronized (mLocationSettingsLock) {
5951                boolean gps = false;
5952                boolean network = false;
5953                switch (mode) {
5954                    case LOCATION_MODE_PREVIOUS:
5955                        // Retrieve the actual mode and set to that mode.
5956                        return restoreLocationModeForUser(cr, userId);
5957                    case LOCATION_MODE_OFF:
5958                        saveLocationModeForUser(cr, userId);
5959                        break;
5960                    case LOCATION_MODE_SENSORS_ONLY:
5961                        gps = true;
5962                        break;
5963                    case LOCATION_MODE_BATTERY_SAVING:
5964                        network = true;
5965                        break;
5966                    case LOCATION_MODE_HIGH_ACCURACY:
5967                        gps = true;
5968                        network = true;
5969                        break;
5970                    default:
5971                        throw new IllegalArgumentException("Invalid location mode: " + mode);
5972                }
5973                // Note it's important that we set the NLP mode first. The Google implementation
5974                // of NLP clears its NLP consent setting any time it receives a
5975                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
5976                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
5977                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
5978                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
5979                // and 3) the receiver happened to complete before we enabled NLP, then the Google
5980                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
5981                // dialog. Then the people who wrote the setup wizard would be sad.
5982                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5983                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
5984                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5985                        cr, LocationManager.GPS_PROVIDER, gps, userId);
5986                return gpsSuccess && nlpSuccess;
5987            }
5988        }
5989
5990        /**
5991         * Thread-safe method for reading the location mode, returns one of
5992         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5993         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5994         *
5995         * @param cr the content resolver to use
5996         * @param userId the userId for which to read the mode
5997         * @return the location mode
5998         */
5999        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6000            synchronized (mLocationSettingsLock) {
6001                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6002                        cr, LocationManager.GPS_PROVIDER, userId);
6003                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6004                        cr, LocationManager.NETWORK_PROVIDER, userId);
6005                if (gpsEnabled && networkEnabled) {
6006                    return LOCATION_MODE_HIGH_ACCURACY;
6007                } else if (gpsEnabled) {
6008                    return LOCATION_MODE_SENSORS_ONLY;
6009                } else if (networkEnabled) {
6010                    return LOCATION_MODE_BATTERY_SAVING;
6011                } else {
6012                    return LOCATION_MODE_OFF;
6013                }
6014            }
6015        }
6016    }
6017
6018    /**
6019     * Global system settings, containing preferences that always apply identically
6020     * to all defined users.  Applications can read these but are not allowed to write;
6021     * like the "Secure" settings, these are for preferences that the user must
6022     * explicitly modify through the system UI or specialized APIs for those values.
6023     */
6024    public static final class Global extends NameValueTable {
6025        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6026
6027        /**
6028         * The content:// style URL for global secure settings items.  Not public.
6029         */
6030        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6031
6032        /**
6033         * Whether users are allowed to add more users or guest from lockscreen.
6034         * <p>
6035         * Type: int
6036         * @hide
6037         */
6038        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6039
6040        /**
6041         * Setting whether the global gesture for enabling accessibility is enabled.
6042         * If this gesture is enabled the user will be able to perfrom it to enable
6043         * the accessibility state without visiting the settings app.
6044         * @hide
6045         */
6046        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6047                "enable_accessibility_global_gesture_enabled";
6048
6049        /**
6050         * Whether Airplane Mode is on.
6051         */
6052        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6053
6054        /**
6055         * Whether Theater Mode is on.
6056         * {@hide}
6057         */
6058        @SystemApi
6059        public static final String THEATER_MODE_ON = "theater_mode_on";
6060
6061        /**
6062         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6063         */
6064        public static final String RADIO_BLUETOOTH = "bluetooth";
6065
6066        /**
6067         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6068         */
6069        public static final String RADIO_WIFI = "wifi";
6070
6071        /**
6072         * {@hide}
6073         */
6074        public static final String RADIO_WIMAX = "wimax";
6075        /**
6076         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6077         */
6078        public static final String RADIO_CELL = "cell";
6079
6080        /**
6081         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6082         */
6083        public static final String RADIO_NFC = "nfc";
6084
6085        /**
6086         * A comma separated list of radios that need to be disabled when airplane mode
6087         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6088         * included in the comma separated list.
6089         */
6090        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6091
6092        /**
6093         * A comma separated list of radios that should to be disabled when airplane mode
6094         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6095         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6096         * will be turned off when entering airplane mode, but the user will be able to reenable
6097         * Wifi in the Settings app.
6098         *
6099         * {@hide}
6100         */
6101        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6102
6103        /**
6104         * The policy for deciding when Wi-Fi should go to sleep (which will in
6105         * turn switch to using the mobile data as an Internet connection).
6106         * <p>
6107         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6108         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6109         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6110         */
6111        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6112
6113        /**
6114         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6115         * policy, which is to sleep shortly after the turning off
6116         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6117         */
6118        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6119
6120        /**
6121         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6122         * the device is on battery, and never go to sleep when the device is
6123         * plugged in.
6124         */
6125        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6126
6127        /**
6128         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6129         */
6130        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6131
6132        /**
6133         * Value to specify if the user prefers the date, time and time zone
6134         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6135         */
6136        public static final String AUTO_TIME = "auto_time";
6137
6138        /**
6139         * Value to specify if the user prefers the time zone
6140         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6141         */
6142        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6143
6144        /**
6145         * URI for the car dock "in" event sound.
6146         * @hide
6147         */
6148        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6149
6150        /**
6151         * URI for the car dock "out" event sound.
6152         * @hide
6153         */
6154        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6155
6156        /**
6157         * URI for the desk dock "in" event sound.
6158         * @hide
6159         */
6160        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6161
6162        /**
6163         * URI for the desk dock "out" event sound.
6164         * @hide
6165         */
6166        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6167
6168        /**
6169         * Whether to play a sound for dock events.
6170         * @hide
6171         */
6172        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6173
6174        /**
6175         * URI for the "device locked" (keyguard shown) sound.
6176         * @hide
6177         */
6178        public static final String LOCK_SOUND = "lock_sound";
6179
6180        /**
6181         * URI for the "device unlocked" sound.
6182         * @hide
6183         */
6184        public static final String UNLOCK_SOUND = "unlock_sound";
6185
6186        /**
6187         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6188         * state without unlocking.
6189         * @hide
6190         */
6191        public static final String TRUSTED_SOUND = "trusted_sound";
6192
6193        /**
6194         * URI for the low battery sound file.
6195         * @hide
6196         */
6197        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6198
6199        /**
6200         * Whether to play a sound for low-battery alerts.
6201         * @hide
6202         */
6203        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6204
6205        /**
6206         * URI for the "wireless charging started" sound.
6207         * @hide
6208         */
6209        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6210                "wireless_charging_started_sound";
6211
6212        /**
6213         * Whether to play a sound for charging events.
6214         * @hide
6215         */
6216        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6217
6218        /**
6219         * Whether we keep the device on while the device is plugged in.
6220         * Supported values are:
6221         * <ul>
6222         * <li>{@code 0} to never stay on while plugged in</li>
6223         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6224         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6225         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6226         * </ul>
6227         * These values can be OR-ed together.
6228         */
6229        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6230
6231        /**
6232         * When the user has enable the option to have a "bug report" command
6233         * in the power menu.
6234         * @hide
6235         */
6236        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6237
6238        /**
6239         * Whether ADB is enabled.
6240         */
6241        public static final String ADB_ENABLED = "adb_enabled";
6242
6243        /**
6244         * Whether Views are allowed to save their attribute data.
6245         * @hide
6246         */
6247        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6248
6249        /**
6250         * Whether assisted GPS should be enabled or not.
6251         * @hide
6252         */
6253        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6254
6255        /**
6256         * Whether bluetooth is enabled/disabled
6257         * 0=disabled. 1=enabled.
6258         */
6259        public static final String BLUETOOTH_ON = "bluetooth_on";
6260
6261        /**
6262         * CDMA Cell Broadcast SMS
6263         *                            0 = CDMA Cell Broadcast SMS disabled
6264         *                            1 = CDMA Cell Broadcast SMS enabled
6265         * @hide
6266         */
6267        public static final String CDMA_CELL_BROADCAST_SMS =
6268                "cdma_cell_broadcast_sms";
6269
6270        /**
6271         * The CDMA roaming mode 0 = Home Networks, CDMA default
6272         *                       1 = Roaming on Affiliated networks
6273         *                       2 = Roaming on any networks
6274         * @hide
6275         */
6276        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6277
6278        /**
6279         * The CDMA subscription mode 0 = RUIM/SIM (default)
6280         *                                1 = NV
6281         * @hide
6282         */
6283        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6284
6285        /** Inactivity timeout to track mobile data activity.
6286        *
6287        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6288        * infer the data activity of mobile network. After a period of no activity on mobile
6289        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6290        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6291        * subsequent activity on mobile networks triggers the firing of {@code
6292        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6293        *
6294        * Network activity refers to transmitting or receiving data on the network interfaces.
6295        *
6296        * Tracking is disabled if set to zero or negative value.
6297        *
6298        * @hide
6299        */
6300       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6301
6302       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6303        * but for Wifi network.
6304        * @hide
6305        */
6306       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6307
6308       /**
6309        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6310        */
6311       public static final String DATA_ROAMING = "data_roaming";
6312
6313       /**
6314        * The value passed to a Mobile DataConnection via bringUp which defines the
6315        * number of retries to preform when setting up the initial connection. The default
6316        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6317        * @hide
6318        */
6319       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6320
6321       /**
6322        * Whether any package can be on external storage. When this is true, any
6323        * package, regardless of manifest values, is a candidate for installing
6324        * or moving onto external storage. (0 = false, 1 = true)
6325        * @hide
6326        */
6327       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6328
6329        /**
6330         * Whether any activity can be resized. When this is true, any
6331         * activity, regardless of manifest values, can be resized for multi-window.
6332         * (0 = false, 1 = true)
6333         * @hide
6334         */
6335        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6336                = "force_resizable_activities";
6337
6338       /**
6339        * Whether user has enabled development settings.
6340        */
6341       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6342
6343       /**
6344        * Whether the device has been provisioned (0 = false, 1 = true).
6345        * <p>On a multiuser device with a separate system user, the screen may be locked
6346        * as soon as this is set to true and further activities cannot be launched on the
6347        * system user unless they are marked to show over keyguard.
6348        */
6349       public static final String DEVICE_PROVISIONED = "device_provisioned";
6350
6351       /**
6352        * The saved value for WindowManagerService.setForcedDisplayDensity().
6353        * One integer in dpi.  If unset, then use the real display density.
6354        * @hide
6355        */
6356       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6357
6358       /**
6359        * The saved value for WindowManagerService.setForcedDisplaySize().
6360        * Two integers separated by a comma.  If unset, then use the real display size.
6361        * @hide
6362        */
6363       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6364
6365       /**
6366        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6367        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6368        * @hide
6369        */
6370       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6371
6372       /**
6373        * The maximum size, in bytes, of a download that the download manager will transfer over
6374        * a non-wifi connection.
6375        * @hide
6376        */
6377       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6378               "download_manager_max_bytes_over_mobile";
6379
6380       /**
6381        * The recommended maximum size, in bytes, of a download that the download manager should
6382        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6383        * have the option to start the download over the mobile connection anyway.
6384        * @hide
6385        */
6386       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6387               "download_manager_recommended_max_bytes_over_mobile";
6388
6389       /**
6390        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6391        */
6392       @Deprecated
6393       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6394
6395       /**
6396        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6397        * sent or processed. (0 = false, 1 = true)
6398        * @hide
6399        */
6400       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6401
6402       /**
6403        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6404        * and the output is redirected to AV Receiver connected via
6405        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6406        * @hide
6407        */
6408       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6409
6410       /**
6411        * Whether TV will automatically turn on upon reception of the CEC command
6412        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6413        * @hide
6414        */
6415       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6416               "hdmi_control_auto_wakeup_enabled";
6417
6418       /**
6419        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6420        * (0 = false, 1 = true)
6421        * @hide
6422        */
6423       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6424               "hdmi_control_auto_device_off_enabled";
6425
6426       /**
6427        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6428        * client.
6429        * (0 = false, 1 = true)
6430        * @hide
6431        */
6432       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6433
6434       /**
6435        * Whether TV will switch to MHL port when a mobile device is plugged in.
6436        * (0 = false, 1 = true)
6437        * @hide
6438        */
6439       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6440
6441       /**
6442        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6443        * @hide
6444        */
6445       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6446
6447       /**
6448        * Whether mobile data connections are allowed by the user.  See
6449        * ConnectivityManager for more info.
6450        * @hide
6451        */
6452       public static final String MOBILE_DATA = "mobile_data";
6453
6454       /**
6455        * Whether the mobile data connection should remain active even when higher
6456        * priority networks like WiFi are active, to help make network switching faster.
6457        *
6458        * See ConnectivityService for more info.
6459        *
6460        * (0 = disabled, 1 = enabled)
6461        * @hide
6462        */
6463       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6464
6465       /** {@hide} */
6466       public static final String NETSTATS_ENABLED = "netstats_enabled";
6467       /** {@hide} */
6468       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6469       /** {@hide} */
6470       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6471       /** {@hide} */
6472       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6473       /** {@hide} */
6474       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6475
6476       /** {@hide} */
6477       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6478       /** {@hide} */
6479       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6480       /** {@hide} */
6481       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6482       /** {@hide} */
6483       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6484
6485       /** {@hide} */
6486       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6487       /** {@hide} */
6488       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6489       /** {@hide} */
6490       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6491       /** {@hide} */
6492       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6493
6494       /** {@hide} */
6495       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6496       /** {@hide} */
6497       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6498       /** {@hide} */
6499       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6500       /** {@hide} */
6501       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6502
6503       /**
6504        * User preference for which network(s) should be used. Only the
6505        * connectivity service should touch this.
6506        */
6507       public static final String NETWORK_PREFERENCE = "network_preference";
6508
6509       /**
6510        * Which package name to use for network scoring. If null, or if the package is not a valid
6511        * scorer app, external network scores will neither be requested nor accepted.
6512        * @hide
6513        */
6514       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6515
6516       /**
6517        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6518        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6519        * exceeded.
6520        * @hide
6521        */
6522       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6523
6524       /**
6525        * The length of time in milli-seconds that automatic small adjustments to
6526        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6527        * @hide
6528        */
6529       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6530
6531       /** Preferred NTP server. {@hide} */
6532       public static final String NTP_SERVER = "ntp_server";
6533       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6534       public static final String NTP_TIMEOUT = "ntp_timeout";
6535
6536       /** {@hide} */
6537       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6538
6539       /**
6540        * Whether the package manager should send package verification broadcasts for verifiers to
6541        * review apps prior to installation.
6542        * 1 = request apps to be verified prior to installation, if a verifier exists.
6543        * 0 = do not verify apps before installation
6544        * @hide
6545        */
6546       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6547
6548       /** Timeout for package verification.
6549        * @hide */
6550       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6551
6552       /** Default response code for package verification.
6553        * @hide */
6554       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6555
6556       /**
6557        * Show package verification setting in the Settings app.
6558        * 1 = show (default)
6559        * 0 = hide
6560        * @hide
6561        */
6562       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6563
6564       /**
6565        * Run package verification on apps installed through ADB/ADT/USB
6566        * 1 = perform package verification on ADB installs (default)
6567        * 0 = bypass package verification on ADB installs
6568        * @hide
6569        */
6570       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6571
6572       /**
6573        * Time since last fstrim (milliseconds) after which we force one to happen
6574        * during device startup.  If unset, the default is 3 days.
6575        * @hide
6576        */
6577       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6578
6579       /**
6580        * The interval in milliseconds at which to check packet counts on the
6581        * mobile data interface when screen is on, to detect possible data
6582        * connection problems.
6583        * @hide
6584        */
6585       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6586               "pdp_watchdog_poll_interval_ms";
6587
6588       /**
6589        * The interval in milliseconds at which to check packet counts on the
6590        * mobile data interface when screen is off, to detect possible data
6591        * connection problems.
6592        * @hide
6593        */
6594       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6595               "pdp_watchdog_long_poll_interval_ms";
6596
6597       /**
6598        * The interval in milliseconds at which to check packet counts on the
6599        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6600        * outgoing packets has been reached without incoming packets.
6601        * @hide
6602        */
6603       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6604               "pdp_watchdog_error_poll_interval_ms";
6605
6606       /**
6607        * The number of outgoing packets sent without seeing an incoming packet
6608        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6609        * device is logged to the event log
6610        * @hide
6611        */
6612       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6613               "pdp_watchdog_trigger_packet_count";
6614
6615       /**
6616        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6617        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6618        * attempting data connection recovery.
6619        * @hide
6620        */
6621       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6622               "pdp_watchdog_error_poll_count";
6623
6624       /**
6625        * The number of failed PDP reset attempts before moving to something more
6626        * drastic: re-registering to the network.
6627        * @hide
6628        */
6629       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6630               "pdp_watchdog_max_pdp_reset_fail_count";
6631
6632       /**
6633        * A positive value indicates how often the SamplingProfiler
6634        * should take snapshots. Zero value means SamplingProfiler
6635        * is disabled.
6636        *
6637        * @hide
6638        */
6639       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6640
6641       /**
6642        * URL to open browser on to allow user to manage a prepay account
6643        * @hide
6644        */
6645       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6646               "setup_prepaid_data_service_url";
6647
6648       /**
6649        * URL to attempt a GET on to see if this is a prepay device
6650        * @hide
6651        */
6652       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6653               "setup_prepaid_detection_target_url";
6654
6655       /**
6656        * Host to check for a redirect to after an attempt to GET
6657        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6658        * this is a prepaid device with zero balance.)
6659        * @hide
6660        */
6661       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6662               "setup_prepaid_detection_redir_host";
6663
6664       /**
6665        * The interval in milliseconds at which to check the number of SMS sent out without asking
6666        * for use permit, to limit the un-authorized SMS usage.
6667        *
6668        * @hide
6669        */
6670       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6671               "sms_outgoing_check_interval_ms";
6672
6673       /**
6674        * The number of outgoing SMS sent without asking for user permit (of {@link
6675        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6676        *
6677        * @hide
6678        */
6679       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6680               "sms_outgoing_check_max_count";
6681
6682       /**
6683        * Used to disable SMS short code confirmation - defaults to true.
6684        * True indcates we will do the check, etc.  Set to false to disable.
6685        * @see com.android.internal.telephony.SmsUsageMonitor
6686        * @hide
6687        */
6688       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6689
6690        /**
6691         * Used to select which country we use to determine premium sms codes.
6692         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6693         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6694         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6695         * @hide
6696         */
6697        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6698
6699       /**
6700        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6701        * @hide
6702        */
6703       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6704
6705       /**
6706        * Used to disable Tethering on a device - defaults to true
6707        * @hide
6708        */
6709       public static final String TETHER_SUPPORTED = "tether_supported";
6710
6711       /**
6712        * Used to require DUN APN on the device or not - defaults to a build config value
6713        * which defaults to false
6714        * @hide
6715        */
6716       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6717
6718       /**
6719        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6720        * corresponding build config values are set it will override the APN DB
6721        * values.
6722        * Consists of a comma seperated list of strings:
6723        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6724        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6725        * @hide
6726        */
6727       public static final String TETHER_DUN_APN = "tether_dun_apn";
6728
6729       /**
6730        * USB Mass Storage Enabled
6731        */
6732       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6733
6734       /**
6735        * If this setting is set (to anything), then all references
6736        * to Gmail on the device must change to Google Mail.
6737        */
6738       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6739
6740        /**
6741         * Webview Data reduction proxy key.
6742         * @hide
6743         */
6744        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6745                "webview_data_reduction_proxy_key";
6746
6747       /**
6748        * Whether Wifi display is enabled/disabled
6749        * 0=disabled. 1=enabled.
6750        * @hide
6751        */
6752       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6753
6754       /**
6755        * Whether Wifi display certification mode is enabled/disabled
6756        * 0=disabled. 1=enabled.
6757        * @hide
6758        */
6759       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6760               "wifi_display_certification_on";
6761
6762       /**
6763        * WPS Configuration method used by Wifi display, this setting only
6764        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6765        *
6766        * Possible values are:
6767        *
6768        * WpsInfo.INVALID: use default WPS method chosen by framework
6769        * WpsInfo.PBC    : use Push button
6770        * WpsInfo.KEYPAD : use Keypad
6771        * WpsInfo.DISPLAY: use Display
6772        * @hide
6773        */
6774       public static final String WIFI_DISPLAY_WPS_CONFIG =
6775           "wifi_display_wps_config";
6776
6777       /**
6778        * Whether to notify the user of open networks.
6779        * <p>
6780        * If not connected and the scan results have an open network, we will
6781        * put this notification up. If we attempt to connect to a network or
6782        * the open network(s) disappear, we remove the notification. When we
6783        * show the notification, we will not show it again for
6784        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6785        */
6786       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6787               "wifi_networks_available_notification_on";
6788       /**
6789        * {@hide}
6790        */
6791       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6792               "wimax_networks_available_notification_on";
6793
6794       /**
6795        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6796        * Connecting to a network will reset the timer.
6797        */
6798       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6799               "wifi_networks_available_repeat_delay";
6800
6801       /**
6802        * 802.11 country code in ISO 3166 format
6803        * @hide
6804        */
6805       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6806
6807       /**
6808        * The interval in milliseconds to issue wake up scans when wifi needs
6809        * to connect. This is necessary to connect to an access point when
6810        * device is on the move and the screen is off.
6811        * @hide
6812        */
6813       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6814               "wifi_framework_scan_interval_ms";
6815
6816       /**
6817        * The interval in milliseconds after which Wi-Fi is considered idle.
6818        * When idle, it is possible for the device to be switched from Wi-Fi to
6819        * the mobile data network.
6820        * @hide
6821        */
6822       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6823
6824       /**
6825        * When the number of open networks exceeds this number, the
6826        * least-recently-used excess networks will be removed.
6827        */
6828       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6829
6830       /**
6831        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6832        */
6833       public static final String WIFI_ON = "wifi_on";
6834
6835       /**
6836        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6837        * @hide
6838        */
6839       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6840                "wifi_scan_always_enabled";
6841
6842       /**
6843        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6844        * connectivity.
6845        * @hide
6846        */
6847       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6848               "ble_scan_always_enabled";
6849
6850       /**
6851        * Used to save the Wifi_ON state prior to tethering.
6852        * This state will be checked to restore Wifi after
6853        * the user turns off tethering.
6854        *
6855        * @hide
6856        */
6857       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6858
6859       /**
6860        * The interval in milliseconds to scan as used by the wifi supplicant
6861        * @hide
6862        */
6863       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6864               "wifi_supplicant_scan_interval_ms";
6865
6866        /**
6867         * whether frameworks handles wifi auto-join
6868         * @hide
6869         */
6870       public static final String WIFI_ENHANCED_AUTO_JOIN =
6871                "wifi_enhanced_auto_join";
6872
6873        /**
6874         * whether settings show RSSI
6875         * @hide
6876         */
6877        public static final String WIFI_NETWORK_SHOW_RSSI =
6878                "wifi_network_show_rssi";
6879
6880        /**
6881        * The interval in milliseconds to scan at supplicant when p2p is connected
6882        * @hide
6883        */
6884       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6885               "wifi_scan_interval_p2p_connected_ms";
6886
6887       /**
6888        * Whether the Wi-Fi watchdog is enabled.
6889        */
6890       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6891
6892       /**
6893        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6894        * the setting needs to be set to 0 to disable it.
6895        * @hide
6896        */
6897       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6898               "wifi_watchdog_poor_network_test_enabled";
6899
6900       /**
6901        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6902        * needs to be set to 0 to disable it.
6903        * @hide
6904        */
6905       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6906               "wifi_suspend_optimizations_enabled";
6907
6908       /**
6909        * The maximum number of times we will retry a connection to an access
6910        * point for which we have failed in acquiring an IP address from DHCP.
6911        * A value of N means that we will make N+1 connection attempts in all.
6912        */
6913       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
6914
6915       /**
6916        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
6917        * data connectivity to be established after a disconnect from Wi-Fi.
6918        */
6919       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
6920           "wifi_mobile_data_transition_wakelock_timeout_ms";
6921
6922       /**
6923        * This setting controls whether WiFi configurations created by a Device Owner app
6924        * should be locked down (that is, be editable or removable only by the Device Owner App,
6925        * not even by Settings app).
6926        * This setting takes integer values. Non-zero values mean DO created configurations
6927        * are locked down. Value of zero means they are not. Default value in the absence of
6928        * actual value to this setting is 0.
6929        */
6930       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
6931               "wifi_device_owner_configs_lockdown";
6932
6933       /**
6934        * The operational wifi frequency band
6935        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
6936        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
6937        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
6938        *
6939        * @hide
6940        */
6941       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
6942
6943       /**
6944        * The Wi-Fi peer-to-peer device name
6945        * @hide
6946        */
6947       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
6948
6949       /**
6950        * The min time between wifi disable and wifi enable
6951        * @hide
6952        */
6953       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
6954
6955       /**
6956        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
6957        * from an ephemeral network if there is no BSSID for that network with a non-null score that
6958        * has been seen in this time period.
6959        *
6960        * If this is less than or equal to zero, we use a more conservative behavior and only check
6961        * for a non-null score from the currently connected or target BSSID.
6962        * @hide
6963        */
6964       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
6965               "wifi_ephemeral_out_of_range_timeout_ms";
6966
6967       /**
6968        * The number of milliseconds to delay when checking for data stalls during
6969        * non-aggressive detection. (screen is turned off.)
6970        * @hide
6971        */
6972       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
6973               "data_stall_alarm_non_aggressive_delay_in_ms";
6974
6975       /**
6976        * The number of milliseconds to delay when checking for data stalls during
6977        * aggressive detection. (screen on or suspected data stall)
6978        * @hide
6979        */
6980       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
6981               "data_stall_alarm_aggressive_delay_in_ms";
6982
6983       /**
6984        * The number of milliseconds to allow the provisioning apn to remain active
6985        * @hide
6986        */
6987       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
6988               "provisioning_apn_alarm_delay_in_ms";
6989
6990       /**
6991        * The interval in milliseconds at which to check gprs registration
6992        * after the first registration mismatch of gprs and voice service,
6993        * to detect possible data network registration problems.
6994        *
6995        * @hide
6996        */
6997       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
6998               "gprs_register_check_period_ms";
6999
7000       /**
7001        * Nonzero causes Log.wtf() to crash.
7002        * @hide
7003        */
7004       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7005
7006       /**
7007        * Ringer mode. This is used internally, changing this value will not
7008        * change the ringer mode. See AudioManager.
7009        */
7010       public static final String MODE_RINGER = "mode_ringer";
7011
7012       /**
7013        * Overlay display devices setting.
7014        * The associated value is a specially formatted string that describes the
7015        * size and density of simulated secondary display devices.
7016        * <p>
7017        * Format: {width}x{height}/{dpi};...
7018        * </p><p>
7019        * Example:
7020        * <ul>
7021        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7022        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7023        * at 1080p and the second at 720p.</li>
7024        * <li>If the value is empty, then no overlay display devices are created.</li>
7025        * </ul></p>
7026        *
7027        * @hide
7028        */
7029       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7030
7031        /**
7032         * Threshold values for the duration and level of a discharge cycle,
7033         * under which we log discharge cycle info.
7034         *
7035         * @hide
7036         */
7037        public static final String
7038                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7039
7040        /** @hide */
7041        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7042
7043        /**
7044         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7045         * intents on application crashes and ANRs. If this is disabled, the
7046         * crash/ANR dialog will never display the "Report" button.
7047         * <p>
7048         * Type: int (0 = disallow, 1 = allow)
7049         *
7050         * @hide
7051         */
7052        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7053
7054        /**
7055         * Maximum age of entries kept by {@link DropBoxManager}.
7056         *
7057         * @hide
7058         */
7059        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7060
7061        /**
7062         * Maximum number of entry files which {@link DropBoxManager} will keep
7063         * around.
7064         *
7065         * @hide
7066         */
7067        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7068
7069        /**
7070         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7071         * what.
7072         *
7073         * @hide
7074         */
7075        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7076
7077        /**
7078         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7079         * will use.
7080         *
7081         * @hide
7082         */
7083        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7084
7085        /**
7086         * Percent of total disk which {@link DropBoxManager} will never dip
7087         * into.
7088         *
7089         * @hide
7090         */
7091        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7092
7093        /**
7094         * Prefix for per-tag dropbox disable/enable settings.
7095         *
7096         * @hide
7097         */
7098        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7099
7100        /**
7101         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7102         * prefix of the dropbox tag of the report type. For example,
7103         * "logcat_for_system_server_anr" controls the lines of logcat captured
7104         * with system server ANR reports. 0 to disable.
7105         *
7106         * @hide
7107         */
7108        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7109
7110        /**
7111         * The interval in minutes after which the amount of free storage left
7112         * on the device is logged to the event log
7113         *
7114         * @hide
7115         */
7116        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7117
7118        /**
7119         * Threshold for the amount of change in disk free space required to
7120         * report the amount of free space. Used to prevent spamming the logs
7121         * when the disk free space isn't changing frequently.
7122         *
7123         * @hide
7124         */
7125        public static final String
7126                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7127
7128        /**
7129         * Minimum percentage of free storage on the device that is used to
7130         * determine if the device is running low on storage. The default is 10.
7131         * <p>
7132         * Say this value is set to 10, the device is considered running low on
7133         * storage if 90% or more of the device storage is filled up.
7134         *
7135         * @hide
7136         */
7137        public static final String
7138                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7139
7140        /**
7141         * Maximum byte size of the low storage threshold. This is to ensure
7142         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7143         * overly large threshold for large storage devices. Currently this must
7144         * be less than 2GB. This default is 500MB.
7145         *
7146         * @hide
7147         */
7148        public static final String
7149                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7150
7151        /**
7152         * Minimum bytes of free storage on the device before the data partition
7153         * is considered full. By default, 1 MB is reserved to avoid system-wide
7154         * SQLite disk full exceptions.
7155         *
7156         * @hide
7157         */
7158        public static final String
7159                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7160
7161        /**
7162         * The maximum reconnect delay for short network outages or when the
7163         * network is suspended due to phone use.
7164         *
7165         * @hide
7166         */
7167        public static final String
7168                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7169
7170        /**
7171         * The number of milliseconds to delay before sending out
7172         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7173         *
7174         * @hide
7175         */
7176        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7177
7178
7179        /**
7180         * Network sampling interval, in seconds. We'll generate link information
7181         * about bytes/packets sent and error rates based on data sampled in this interval
7182         *
7183         * @hide
7184         */
7185
7186        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7187                "connectivity_sampling_interval_in_seconds";
7188
7189        /**
7190         * The series of successively longer delays used in retrying to download PAC file.
7191         * Last delay is used between successful PAC downloads.
7192         *
7193         * @hide
7194         */
7195        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7196
7197        /**
7198         * Setting to turn off captive portal detection. Feature is enabled by
7199         * default and the setting needs to be set to 0 to disable it.
7200         *
7201         * @hide
7202         */
7203        public static final String
7204                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7205
7206        /**
7207         * The server used for captive portal detection upon a new conection. A
7208         * 204 response code from the server is used for validation.
7209         *
7210         * @hide
7211         */
7212        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7213
7214        /**
7215         * Whether network service discovery is enabled.
7216         *
7217         * @hide
7218         */
7219        public static final String NSD_ON = "nsd_on";
7220
7221        /**
7222         * Let user pick default install location.
7223         *
7224         * @hide
7225         */
7226        public static final String SET_INSTALL_LOCATION = "set_install_location";
7227
7228        /**
7229         * Default install location value.
7230         * 0 = auto, let system decide
7231         * 1 = internal
7232         * 2 = sdcard
7233         * @hide
7234         */
7235        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7236
7237        /**
7238         * ms during which to consume extra events related to Inet connection
7239         * condition after a transtion to fully-connected
7240         *
7241         * @hide
7242         */
7243        public static final String
7244                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7245
7246        /**
7247         * ms during which to consume extra events related to Inet connection
7248         * condtion after a transtion to partly-connected
7249         *
7250         * @hide
7251         */
7252        public static final String
7253                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7254
7255        /** {@hide} */
7256        public static final String
7257                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7258
7259        /**
7260         * Host name and port for global http proxy. Uses ':' seperator for
7261         * between host and port.
7262         */
7263        public static final String HTTP_PROXY = "http_proxy";
7264
7265        /**
7266         * Host name for global http proxy. Set via ConnectivityManager.
7267         *
7268         * @hide
7269         */
7270        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7271
7272        /**
7273         * Integer host port for global http proxy. Set via ConnectivityManager.
7274         *
7275         * @hide
7276         */
7277        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7278
7279        /**
7280         * Exclusion list for global proxy. This string contains a list of
7281         * comma-separated domains where the global proxy does not apply.
7282         * Domains should be listed in a comma- separated list. Example of
7283         * acceptable formats: ".domain1.com,my.domain2.com" Use
7284         * ConnectivityManager to set/get.
7285         *
7286         * @hide
7287         */
7288        public static final String
7289                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7290
7291        /**
7292         * The location PAC File for the proxy.
7293         * @hide
7294         */
7295        public static final String
7296                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7297
7298        /**
7299         * Enables the UI setting to allow the user to specify the global HTTP
7300         * proxy and associated exclusion list.
7301         *
7302         * @hide
7303         */
7304        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7305
7306        /**
7307         * Setting for default DNS in case nobody suggests one
7308         *
7309         * @hide
7310         */
7311        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7312
7313        /** {@hide} */
7314        public static final String
7315                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7316        /** {@hide} */
7317        public static final String
7318                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7319        /** {@hide} */
7320        public static final String
7321                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7322        /** {@hide} */
7323        public static final String
7324                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7325        /** {@hide} */
7326        public static final String
7327                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7328
7329        /**
7330         * Device Idle (Doze) specific settings.
7331         * This is encoded as a key=value list, separated by commas. Ex:
7332         *
7333         * "inactive_timeout=60000,sensing_timeout=400000"
7334         *
7335         * The following keys are supported:
7336         *
7337         * <pre>
7338         * inactive_to                      (long)
7339         * sensing_to                       (long)
7340         * motion_inactive_to               (long)
7341         * idle_after_inactive_to           (long)
7342         * idle_pending_to                  (long)
7343         * max_idle_pending_to              (long)
7344         * idle_pending_factor              (float)
7345         * idle_to                          (long)
7346         * max_idle_to                      (long)
7347         * idle_factor                      (float)
7348         * min_time_to_alarm                (long)
7349         * max_temp_app_whitelist_duration  (long)
7350         * </pre>
7351         *
7352         * <p>
7353         * Type: string
7354         * @hide
7355         * @see com.android.server.DeviceIdleController.Constants
7356         */
7357        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7358
7359        /**
7360         * App standby (app idle) specific settings.
7361         * This is encoded as a key=value list, separated by commas. Ex:
7362         *
7363         * "idle_duration=5000,parole_interval=4500"
7364         *
7365         * The following keys are supported:
7366         *
7367         * <pre>
7368         * idle_duration        (long)
7369         * wallclock_threshold  (long)
7370         * parole_interval      (long)
7371         * parole_duration      (long)
7372         * </pre>
7373         *
7374         * <p>
7375         * Type: string
7376         * @hide
7377         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7378         */
7379        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7380
7381        /**
7382         * Alarm manager specific settings.
7383         * This is encoded as a key=value list, separated by commas. Ex:
7384         *
7385         * "min_futurity=5000,allow_while_idle_short_time=4500"
7386         *
7387         * The following keys are supported:
7388         *
7389         * <pre>
7390         * min_futurity                         (long)
7391         * min_interval                         (long)
7392         * allow_while_idle_short_time          (long)
7393         * allow_while_idle_long_time           (long)
7394         * allow_while_idle_whitelist_duration  (long)
7395         * </pre>
7396         *
7397         * <p>
7398         * Type: string
7399         * @hide
7400         * @see com.android.server.AlarmManagerService.Constants
7401         */
7402        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7403
7404        /**
7405         * Get the key that retrieves a bluetooth headset's priority.
7406         * @hide
7407         */
7408        public static final String getBluetoothHeadsetPriorityKey(String address) {
7409            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7410        }
7411
7412        /**
7413         * Get the key that retrieves a bluetooth a2dp sink's priority.
7414         * @hide
7415         */
7416        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7417            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7418        }
7419
7420        /**
7421         * Get the key that retrieves a bluetooth Input Device's priority.
7422         * @hide
7423         */
7424        public static final String getBluetoothInputDevicePriorityKey(String address) {
7425            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7426        }
7427
7428        /**
7429         * Get the key that retrieves a bluetooth map priority.
7430         * @hide
7431         */
7432        public static final String getBluetoothMapPriorityKey(String address) {
7433            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7434        }
7435
7436        /**
7437         * Get the key that retrieves a bluetooth map priority.
7438         * @hide
7439         */
7440        public static final String getBluetoothSapPriorityKey(String address) {
7441            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7442        }
7443
7444        /**
7445         * Scaling factor for normal window animations. Setting to 0 will
7446         * disable window animations.
7447         */
7448        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7449
7450        /**
7451         * Scaling factor for activity transition animations. Setting to 0 will
7452         * disable window animations.
7453         */
7454        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7455
7456        /**
7457         * Scaling factor for Animator-based animations. This affects both the
7458         * start delay and duration of all such animations. Setting to 0 will
7459         * cause animations to end immediately. The default value is 1.
7460         */
7461        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7462
7463        /**
7464         * Scaling factor for normal window animations. Setting to 0 will
7465         * disable window animations.
7466         *
7467         * @hide
7468         */
7469        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7470
7471        /**
7472         * If 0, the compatibility mode is off for all applications.
7473         * If 1, older applications run under compatibility mode.
7474         * TODO: remove this settings before code freeze (bug/1907571)
7475         * @hide
7476         */
7477        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7478
7479        /**
7480         * CDMA only settings
7481         * Emergency Tone  0 = Off
7482         *                 1 = Alert
7483         *                 2 = Vibrate
7484         * @hide
7485         */
7486        public static final String EMERGENCY_TONE = "emergency_tone";
7487
7488        /**
7489         * CDMA only settings
7490         * Whether the auto retry is enabled. The value is
7491         * boolean (1 or 0).
7492         * @hide
7493         */
7494        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7495
7496        /**
7497         * See RIL_PreferredNetworkType in ril.h
7498         * @hide
7499         */
7500        public static final String PREFERRED_NETWORK_MODE =
7501                "preferred_network_mode";
7502
7503        /**
7504         * Name of an application package to be debugged.
7505         */
7506        public static final String DEBUG_APP = "debug_app";
7507
7508        /**
7509         * If 1, when launching DEBUG_APP it will wait for the debugger before
7510         * starting user code.  If 0, it will run normally.
7511         */
7512        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7513
7514        /**
7515         * Control whether the process CPU usage meter should be shown.
7516         */
7517        public static final String SHOW_PROCESSES = "show_processes";
7518
7519        /**
7520         * If 1 low power mode is enabled.
7521         * @hide
7522         */
7523        public static final String LOW_POWER_MODE = "low_power";
7524
7525        /**
7526         * Battery level [1-99] at which low power mode automatically turns on.
7527         * If 0, it will not automatically turn on.
7528         * @hide
7529         */
7530        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7531
7532         /**
7533         * If 1, the activity manager will aggressively finish activities and
7534         * processes as soon as they are no longer needed.  If 0, the normal
7535         * extended lifetime is used.
7536         */
7537        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7538
7539        /**
7540         * Use Dock audio output for media:
7541         *      0 = disabled
7542         *      1 = enabled
7543         * @hide
7544         */
7545        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7546
7547        /**
7548         * Persisted safe headphone volume management state by AudioService
7549         * @hide
7550         */
7551        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7552
7553        /**
7554         * URL for tzinfo (time zone) updates
7555         * @hide
7556         */
7557        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7558
7559        /**
7560         * URL for tzinfo (time zone) update metadata
7561         * @hide
7562         */
7563        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7564
7565        /**
7566         * URL for selinux (mandatory access control) updates
7567         * @hide
7568         */
7569        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7570
7571        /**
7572         * URL for selinux (mandatory access control) update metadata
7573         * @hide
7574         */
7575        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7576
7577        /**
7578         * URL for sms short code updates
7579         * @hide
7580         */
7581        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7582                "sms_short_codes_content_url";
7583
7584        /**
7585         * URL for sms short code update metadata
7586         * @hide
7587         */
7588        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7589                "sms_short_codes_metadata_url";
7590
7591        /**
7592         * URL for apn_db updates
7593         * @hide
7594         */
7595        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7596
7597        /**
7598         * URL for apn_db update metadata
7599         * @hide
7600         */
7601        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7602
7603        /**
7604         * URL for cert pinlist updates
7605         * @hide
7606         */
7607        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7608
7609        /**
7610         * URL for cert pinlist updates
7611         * @hide
7612         */
7613        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7614
7615        /**
7616         * URL for intent firewall updates
7617         * @hide
7618         */
7619        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7620                "intent_firewall_content_url";
7621
7622        /**
7623         * URL for intent firewall update metadata
7624         * @hide
7625         */
7626        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7627                "intent_firewall_metadata_url";
7628
7629        /**
7630         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7631         * @hide
7632         */
7633        public static final String SELINUX_STATUS = "selinux_status";
7634
7635        /**
7636         * Developer setting to force RTL layout.
7637         * @hide
7638         */
7639        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7640
7641        /**
7642         * Milliseconds after screen-off after which low battery sounds will be silenced.
7643         *
7644         * If zero, battery sounds will always play.
7645         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7646         *
7647         * @hide
7648         */
7649        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7650
7651        /**
7652         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7653         * the caller is done with this, they should call {@link ContentResolver#delete} to
7654         * clean up any value that they may have written.
7655         *
7656         * @hide
7657         */
7658        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7659
7660        /**
7661         * Defines global runtime overrides to window policy.
7662         *
7663         * See {@link com.android.server.policy.PolicyControl} for value format.
7664         *
7665         * @hide
7666         */
7667        public static final String POLICY_CONTROL = "policy_control";
7668
7669        /**
7670         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7671         * or ZEN_MODE_NO_INTERRUPTIONS.
7672         *
7673         * @hide
7674         */
7675        public static final String ZEN_MODE = "zen_mode";
7676
7677        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7678        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7679        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7680        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7681
7682        /** @hide */ public static String zenModeToString(int mode) {
7683            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7684            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7685            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7686            return "ZEN_MODE_OFF";
7687        }
7688
7689        /** @hide */ public static boolean isValidZenMode(int value) {
7690            switch (value) {
7691                case Global.ZEN_MODE_OFF:
7692                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7693                case Global.ZEN_MODE_ALARMS:
7694                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7695                    return true;
7696                default:
7697                    return false;
7698            }
7699        }
7700
7701        /**
7702         * Value of the ringer before entering zen mode.
7703         *
7704         * @hide
7705         */
7706        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7707
7708        /**
7709         * Opaque value, changes when persisted zen mode configuration changes.
7710         *
7711         * @hide
7712         */
7713        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7714
7715        /**
7716         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7717         *
7718         * @hide
7719         */
7720        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7721                "heads_up_notifications_enabled";
7722
7723        /** @hide */ public static final int HEADS_UP_OFF = 0;
7724        /** @hide */ public static final int HEADS_UP_ON = 1;
7725
7726        /**
7727         * The name of the device
7728         *
7729         * @hide
7730         */
7731        public static final String DEVICE_NAME = "device_name";
7732
7733        /**
7734         * Whether the NetworkScoringService has been first initialized.
7735         * <p>
7736         * Type: int (0 for false, 1 for true)
7737         * @hide
7738         */
7739        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7740
7741        /**
7742         * Whether the user wants to be prompted for password to decrypt the device on boot.
7743         * This only matters if the storage is encrypted.
7744         * <p>
7745         * Type: int (0 for false, 1 for true)
7746         * @hide
7747         */
7748        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7749
7750        /**
7751         * Whether the Volte is enabled
7752         * <p>
7753         * Type: int (0 for false, 1 for true)
7754         * @hide
7755         */
7756        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7757
7758        /**
7759         * Whether VT (Video Telephony over IMS) is enabled
7760         * <p>
7761         * Type: int (0 for false, 1 for true)
7762         *
7763         * @hide
7764         */
7765        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7766
7767        /**
7768         * Whether WFC is enabled
7769         * <p>
7770         * Type: int (0 for false, 1 for true)
7771         *
7772         * @hide
7773         */
7774        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7775
7776        /**
7777         * WFC Mode.
7778         * <p>
7779         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7780         *
7781         * @hide
7782         */
7783        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7784
7785        /**
7786         * Whether WFC roaming is enabled
7787         * <p>
7788         * Type: int (0 for false, 1 for true)
7789         *
7790         * @hide
7791         */
7792        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7793
7794        /**
7795         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7796         * this via gservices, OMA-DM, carrier app, etc.
7797         * <p>
7798         * Type: int (0 for false, 1 for true)
7799         * @hide
7800         */
7801        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7802
7803        /**
7804         * Settings to backup. This is here so that it's in the same place as the settings
7805         * keys and easy to update.
7806         *
7807         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7808         * and Secure as well.  This is because those tables drive both backup and
7809         * restore, and restore needs to properly whitelist keys that used to live
7810         * in those namespaces.  The keys will only actually be backed up / restored
7811         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7812         *
7813         * NOTE: Settings are backed up and restored in the order they appear
7814         *       in this array. If you have one setting depending on another,
7815         *       make sure that they are ordered appropriately.
7816         *
7817         * @hide
7818         */
7819        public static final String[] SETTINGS_TO_BACKUP = {
7820            BUGREPORT_IN_POWER_MENU,
7821            STAY_ON_WHILE_PLUGGED_IN,
7822            AUTO_TIME,
7823            AUTO_TIME_ZONE,
7824            POWER_SOUNDS_ENABLED,
7825            DOCK_SOUNDS_ENABLED,
7826            CHARGING_SOUNDS_ENABLED,
7827            USB_MASS_STORAGE_ENABLED,
7828            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7829            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7830            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7831            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7832            WIFI_NUM_OPEN_NETWORKS_KEPT,
7833            EMERGENCY_TONE,
7834            CALL_AUTO_RETRY,
7835            DOCK_AUDIO_MEDIA_ENABLED,
7836            LOW_POWER_MODE_TRIGGER_LEVEL
7837        };
7838
7839        // Populated lazily, guarded by class object:
7840        private static NameValueCache sNameValueCache = new NameValueCache(
7841                    SYS_PROP_SETTING_VERSION,
7842                    CONTENT_URI,
7843                    CALL_METHOD_GET_GLOBAL,
7844                    CALL_METHOD_PUT_GLOBAL);
7845
7846        // Certain settings have been moved from global to the per-user secure namespace
7847        private static final HashSet<String> MOVED_TO_SECURE;
7848        static {
7849            MOVED_TO_SECURE = new HashSet<String>(1);
7850            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7851        }
7852
7853        /** @hide */
7854        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7855            outKeySet.addAll(MOVED_TO_SECURE);
7856        }
7857
7858        /**
7859         * Look up a name in the database.
7860         * @param resolver to access the database with
7861         * @param name to look up in the table
7862         * @return the corresponding value, or null if not present
7863         */
7864        public static String getString(ContentResolver resolver, String name) {
7865            return getStringForUser(resolver, name, UserHandle.myUserId());
7866        }
7867
7868        /** @hide */
7869        public static String getStringForUser(ContentResolver resolver, String name,
7870                int userHandle) {
7871            if (MOVED_TO_SECURE.contains(name)) {
7872                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7873                        + " to android.provider.Settings.Secure, returning read-only value.");
7874                return Secure.getStringForUser(resolver, name, userHandle);
7875            }
7876            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7877        }
7878
7879        /**
7880         * Store a name/value pair into the database.
7881         * @param resolver to access the database with
7882         * @param name to store
7883         * @param value to associate with the name
7884         * @return true if the value was set, false on database errors
7885         */
7886        public static boolean putString(ContentResolver resolver,
7887                String name, String value) {
7888            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7889        }
7890
7891        /** @hide */
7892        public static boolean putStringForUser(ContentResolver resolver,
7893                String name, String value, int userHandle) {
7894            if (LOCAL_LOGV) {
7895                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
7896                        + " for " + userHandle);
7897            }
7898            // Global and Secure have the same access policy so we can forward writes
7899            if (MOVED_TO_SECURE.contains(name)) {
7900                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7901                        + " to android.provider.Settings.Secure, value is unchanged.");
7902                return Secure.putStringForUser(resolver, name, value, userHandle);
7903            }
7904            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
7905        }
7906
7907        /**
7908         * Construct the content URI for a particular name/value pair,
7909         * useful for monitoring changes with a ContentObserver.
7910         * @param name to look up in the table
7911         * @return the corresponding content URI, or null if not present
7912         */
7913        public static Uri getUriFor(String name) {
7914            return getUriFor(CONTENT_URI, name);
7915        }
7916
7917        /**
7918         * Convenience function for retrieving a single secure settings value
7919         * as an integer.  Note that internally setting values are always
7920         * stored as strings; this function converts the string to an integer
7921         * for you.  The default value will be returned if the setting is
7922         * not defined or not an integer.
7923         *
7924         * @param cr The ContentResolver to access.
7925         * @param name The name of the setting to retrieve.
7926         * @param def Value to return if the setting is not defined.
7927         *
7928         * @return The setting's current value, or 'def' if it is not defined
7929         * or not a valid integer.
7930         */
7931        public static int getInt(ContentResolver cr, String name, int def) {
7932            String v = getString(cr, name);
7933            try {
7934                return v != null ? Integer.parseInt(v) : def;
7935            } catch (NumberFormatException e) {
7936                return def;
7937            }
7938        }
7939
7940        /**
7941         * Convenience function for retrieving a single secure settings value
7942         * as an integer.  Note that internally setting values are always
7943         * stored as strings; this function converts the string to an integer
7944         * for you.
7945         * <p>
7946         * This version does not take a default value.  If the setting has not
7947         * been set, or the string value is not a number,
7948         * it throws {@link SettingNotFoundException}.
7949         *
7950         * @param cr The ContentResolver to access.
7951         * @param name The name of the setting to retrieve.
7952         *
7953         * @throws SettingNotFoundException Thrown if a setting by the given
7954         * name can't be found or the setting value is not an integer.
7955         *
7956         * @return The setting's current value.
7957         */
7958        public static int getInt(ContentResolver cr, String name)
7959                throws SettingNotFoundException {
7960            String v = getString(cr, name);
7961            try {
7962                return Integer.parseInt(v);
7963            } catch (NumberFormatException e) {
7964                throw new SettingNotFoundException(name);
7965            }
7966        }
7967
7968        /**
7969         * Convenience function for updating a single settings value as an
7970         * integer. This will either create a new entry in the table if the
7971         * given name does not exist, or modify the value of the existing row
7972         * with that name.  Note that internally setting values are always
7973         * stored as strings, so this function converts the given value to a
7974         * string before storing it.
7975         *
7976         * @param cr The ContentResolver to access.
7977         * @param name The name of the setting to modify.
7978         * @param value The new value for the setting.
7979         * @return true if the value was set, false on database errors
7980         */
7981        public static boolean putInt(ContentResolver cr, String name, int value) {
7982            return putString(cr, name, Integer.toString(value));
7983        }
7984
7985        /**
7986         * Convenience function for retrieving a single secure settings value
7987         * as a {@code long}.  Note that internally setting values are always
7988         * stored as strings; this function converts the string to a {@code long}
7989         * for you.  The default value will be returned if the setting is
7990         * not defined or not a {@code long}.
7991         *
7992         * @param cr The ContentResolver to access.
7993         * @param name The name of the setting to retrieve.
7994         * @param def Value to return if the setting is not defined.
7995         *
7996         * @return The setting's current value, or 'def' if it is not defined
7997         * or not a valid {@code long}.
7998         */
7999        public static long getLong(ContentResolver cr, String name, long def) {
8000            String valString = getString(cr, name);
8001            long value;
8002            try {
8003                value = valString != null ? Long.parseLong(valString) : def;
8004            } catch (NumberFormatException e) {
8005                value = def;
8006            }
8007            return value;
8008        }
8009
8010        /**
8011         * Convenience function for retrieving a single secure settings value
8012         * as a {@code long}.  Note that internally setting values are always
8013         * stored as strings; this function converts the string to a {@code long}
8014         * for you.
8015         * <p>
8016         * This version does not take a default value.  If the setting has not
8017         * been set, or the string value is not a number,
8018         * it throws {@link SettingNotFoundException}.
8019         *
8020         * @param cr The ContentResolver to access.
8021         * @param name The name of the setting to retrieve.
8022         *
8023         * @return The setting's current value.
8024         * @throws SettingNotFoundException Thrown if a setting by the given
8025         * name can't be found or the setting value is not an integer.
8026         */
8027        public static long getLong(ContentResolver cr, String name)
8028                throws SettingNotFoundException {
8029            String valString = getString(cr, name);
8030            try {
8031                return Long.parseLong(valString);
8032            } catch (NumberFormatException e) {
8033                throw new SettingNotFoundException(name);
8034            }
8035        }
8036
8037        /**
8038         * Convenience function for updating a secure settings value as a long
8039         * integer. This will either create a new entry in the table if the
8040         * given name does not exist, or modify the value of the existing row
8041         * with that name.  Note that internally setting values are always
8042         * stored as strings, so this function converts the given value to a
8043         * string before storing it.
8044         *
8045         * @param cr The ContentResolver to access.
8046         * @param name The name of the setting to modify.
8047         * @param value The new value for the setting.
8048         * @return true if the value was set, false on database errors
8049         */
8050        public static boolean putLong(ContentResolver cr, String name, long value) {
8051            return putString(cr, name, Long.toString(value));
8052        }
8053
8054        /**
8055         * Convenience function for retrieving a single secure settings value
8056         * as a floating point number.  Note that internally setting values are
8057         * always stored as strings; this function converts the string to an
8058         * float for you. The default value will be returned if the setting
8059         * is not defined or not a valid float.
8060         *
8061         * @param cr The ContentResolver to access.
8062         * @param name The name of the setting to retrieve.
8063         * @param def Value to return if the setting is not defined.
8064         *
8065         * @return The setting's current value, or 'def' if it is not defined
8066         * or not a valid float.
8067         */
8068        public static float getFloat(ContentResolver cr, String name, float def) {
8069            String v = getString(cr, name);
8070            try {
8071                return v != null ? Float.parseFloat(v) : def;
8072            } catch (NumberFormatException e) {
8073                return def;
8074            }
8075        }
8076
8077        /**
8078         * Convenience function for retrieving a single secure settings value
8079         * as a float.  Note that internally setting values are always
8080         * stored as strings; this function converts the string to a float
8081         * for you.
8082         * <p>
8083         * This version does not take a default value.  If the setting has not
8084         * been set, or the string value is not a number,
8085         * it throws {@link SettingNotFoundException}.
8086         *
8087         * @param cr The ContentResolver to access.
8088         * @param name The name of the setting to retrieve.
8089         *
8090         * @throws SettingNotFoundException Thrown if a setting by the given
8091         * name can't be found or the setting value is not a float.
8092         *
8093         * @return The setting's current value.
8094         */
8095        public static float getFloat(ContentResolver cr, String name)
8096                throws SettingNotFoundException {
8097            String v = getString(cr, name);
8098            if (v == null) {
8099                throw new SettingNotFoundException(name);
8100            }
8101            try {
8102                return Float.parseFloat(v);
8103            } catch (NumberFormatException e) {
8104                throw new SettingNotFoundException(name);
8105            }
8106        }
8107
8108        /**
8109         * Convenience function for updating a single settings value as a
8110         * floating point number. This will either create a new entry in the
8111         * table if the given name does not exist, or modify the value of the
8112         * existing row with that name.  Note that internally setting values
8113         * are always stored as strings, so this function converts the given
8114         * value to a string before storing it.
8115         *
8116         * @param cr The ContentResolver to access.
8117         * @param name The name of the setting to modify.
8118         * @param value The new value for the setting.
8119         * @return true if the value was set, false on database errors
8120         */
8121        public static boolean putFloat(ContentResolver cr, String name, float value) {
8122            return putString(cr, name, Float.toString(value));
8123        }
8124
8125
8126        /**
8127          * Subscription to be used for voice call on a multi sim device. The supported values
8128          * are 0 = SUB1, 1 = SUB2 and etc.
8129          * @hide
8130          */
8131        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8132
8133        /**
8134          * Used to provide option to user to select subscription during dial.
8135          * The supported values are 0 = disable or 1 = enable prompt.
8136          * @hide
8137          */
8138        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8139
8140        /**
8141          * Subscription to be used for data call on a multi sim device. The supported values
8142          * are 0 = SUB1, 1 = SUB2 and etc.
8143          * @hide
8144          */
8145        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8146
8147        /**
8148          * Subscription to be used for SMS on a multi sim device. The supported values
8149          * are 0 = SUB1, 1 = SUB2 and etc.
8150          * @hide
8151          */
8152        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8153
8154       /**
8155          * Used to provide option to user to select subscription during send SMS.
8156          * The value 1 - enable, 0 - disable
8157          * @hide
8158          */
8159        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8160
8161
8162
8163        /** User preferred subscriptions setting.
8164          * This holds the details of the user selected subscription from the card and
8165          * the activation status. Each settings string have the coma separated values
8166          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8167          * @hide
8168         */
8169        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8170                "user_preferred_sub2","user_preferred_sub3"};
8171
8172        /**
8173         * Whether to enable new contacts aggregator or not.
8174         * The value 1 - enable, 0 - disable
8175         * @hide
8176         */
8177        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8178
8179        /**
8180         * Whether to enable contacts metadata syncing or not
8181         * The value 1 - enable, 0 - disable
8182         * @hide
8183         */
8184        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8185
8186        /**
8187         * Whether to enable cellular on boot.
8188         * The value 1 - enable, 0 - disable
8189         * @hide
8190         */
8191        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8192    }
8193
8194    /**
8195     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8196     * Intent URL, allowing it to be either a web page or a particular
8197     * application activity.
8198     *
8199     * @hide
8200     */
8201    public static final class Bookmarks implements BaseColumns
8202    {
8203        private static final String TAG = "Bookmarks";
8204
8205        /**
8206         * The content:// style URL for this table
8207         */
8208        public static final Uri CONTENT_URI =
8209            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8210
8211        /**
8212         * The row ID.
8213         * <p>Type: INTEGER</p>
8214         */
8215        public static final String ID = "_id";
8216
8217        /**
8218         * Descriptive name of the bookmark that can be displayed to the user.
8219         * If this is empty, the title should be resolved at display time (use
8220         * {@link #getTitle(Context, Cursor)} any time you want to display the
8221         * title of a bookmark.)
8222         * <P>
8223         * Type: TEXT
8224         * </P>
8225         */
8226        public static final String TITLE = "title";
8227
8228        /**
8229         * Arbitrary string (displayed to the user) that allows bookmarks to be
8230         * organized into categories.  There are some special names for
8231         * standard folders, which all start with '@'.  The label displayed for
8232         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8233         * the folder name does not change so you can consistently query for
8234         * the folder regardless of the current locale.
8235         *
8236         * <P>Type: TEXT</P>
8237         *
8238         */
8239        public static final String FOLDER = "folder";
8240
8241        /**
8242         * The Intent URL of the bookmark, describing what it points to.  This
8243         * value is given to {@link android.content.Intent#getIntent} to create
8244         * an Intent that can be launched.
8245         * <P>Type: TEXT</P>
8246         */
8247        public static final String INTENT = "intent";
8248
8249        /**
8250         * Optional shortcut character associated with this bookmark.
8251         * <P>Type: INTEGER</P>
8252         */
8253        public static final String SHORTCUT = "shortcut";
8254
8255        /**
8256         * The order in which the bookmark should be displayed
8257         * <P>Type: INTEGER</P>
8258         */
8259        public static final String ORDERING = "ordering";
8260
8261        private static final String[] sIntentProjection = { INTENT };
8262        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8263        private static final String sShortcutSelection = SHORTCUT + "=?";
8264
8265        /**
8266         * Convenience function to retrieve the bookmarked Intent for a
8267         * particular shortcut key.
8268         *
8269         * @param cr The ContentResolver to query.
8270         * @param shortcut The shortcut key.
8271         *
8272         * @return Intent The bookmarked URL, or null if there is no bookmark
8273         *         matching the given shortcut.
8274         */
8275        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8276        {
8277            Intent intent = null;
8278
8279            Cursor c = cr.query(CONTENT_URI,
8280                    sIntentProjection, sShortcutSelection,
8281                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8282            // Keep trying until we find a valid shortcut
8283            try {
8284                while (intent == null && c.moveToNext()) {
8285                    try {
8286                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8287                        intent = Intent.parseUri(intentURI, 0);
8288                    } catch (java.net.URISyntaxException e) {
8289                        // The stored URL is bad...  ignore it.
8290                    } catch (IllegalArgumentException e) {
8291                        // Column not found
8292                        Log.w(TAG, "Intent column not found", e);
8293                    }
8294                }
8295            } finally {
8296                if (c != null) c.close();
8297            }
8298
8299            return intent;
8300        }
8301
8302        /**
8303         * Add a new bookmark to the system.
8304         *
8305         * @param cr The ContentResolver to query.
8306         * @param intent The desired target of the bookmark.
8307         * @param title Bookmark title that is shown to the user; null if none
8308         *            or it should be resolved to the intent's title.
8309         * @param folder Folder in which to place the bookmark; null if none.
8310         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8311         *            this is non-zero and there is an existing bookmark entry
8312         *            with this same shortcut, then that existing shortcut is
8313         *            cleared (the bookmark is not removed).
8314         * @return The unique content URL for the new bookmark entry.
8315         */
8316        public static Uri add(ContentResolver cr,
8317                                           Intent intent,
8318                                           String title,
8319                                           String folder,
8320                                           char shortcut,
8321                                           int ordering)
8322        {
8323            // If a shortcut is supplied, and it is already defined for
8324            // another bookmark, then remove the old definition.
8325            if (shortcut != 0) {
8326                cr.delete(CONTENT_URI, sShortcutSelection,
8327                        new String[] { String.valueOf((int) shortcut) });
8328            }
8329
8330            ContentValues values = new ContentValues();
8331            if (title != null) values.put(TITLE, title);
8332            if (folder != null) values.put(FOLDER, folder);
8333            values.put(INTENT, intent.toUri(0));
8334            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8335            values.put(ORDERING, ordering);
8336            return cr.insert(CONTENT_URI, values);
8337        }
8338
8339        /**
8340         * Return the folder name as it should be displayed to the user.  This
8341         * takes care of localizing special folders.
8342         *
8343         * @param r Resources object for current locale; only need access to
8344         *          system resources.
8345         * @param folder The value found in the {@link #FOLDER} column.
8346         *
8347         * @return CharSequence The label for this folder that should be shown
8348         *         to the user.
8349         */
8350        public static CharSequence getLabelForFolder(Resources r, String folder) {
8351            return folder;
8352        }
8353
8354        /**
8355         * Return the title as it should be displayed to the user. This takes
8356         * care of localizing bookmarks that point to activities.
8357         *
8358         * @param context A context.
8359         * @param cursor A cursor pointing to the row whose title should be
8360         *        returned. The cursor must contain at least the {@link #TITLE}
8361         *        and {@link #INTENT} columns.
8362         * @return A title that is localized and can be displayed to the user,
8363         *         or the empty string if one could not be found.
8364         */
8365        public static CharSequence getTitle(Context context, Cursor cursor) {
8366            int titleColumn = cursor.getColumnIndex(TITLE);
8367            int intentColumn = cursor.getColumnIndex(INTENT);
8368            if (titleColumn == -1 || intentColumn == -1) {
8369                throw new IllegalArgumentException(
8370                        "The cursor must contain the TITLE and INTENT columns.");
8371            }
8372
8373            String title = cursor.getString(titleColumn);
8374            if (!TextUtils.isEmpty(title)) {
8375                return title;
8376            }
8377
8378            String intentUri = cursor.getString(intentColumn);
8379            if (TextUtils.isEmpty(intentUri)) {
8380                return "";
8381            }
8382
8383            Intent intent;
8384            try {
8385                intent = Intent.parseUri(intentUri, 0);
8386            } catch (URISyntaxException e) {
8387                return "";
8388            }
8389
8390            PackageManager packageManager = context.getPackageManager();
8391            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8392            return info != null ? info.loadLabel(packageManager) : "";
8393        }
8394    }
8395
8396    /**
8397     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8398     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8399     * from the GoogleLoginService.
8400     *
8401     * @param androidId The Android ID for this device.
8402     * @return The device ID that should be used when connecting to the mobile gtalk server.
8403     * @hide
8404     */
8405    public static String getGTalkDeviceId(long androidId) {
8406        return "android-" + Long.toHexString(androidId);
8407    }
8408
8409    private static final String[] PM_WRITE_SETTINGS = {
8410        android.Manifest.permission.WRITE_SETTINGS
8411    };
8412    private static final String[] PM_CHANGE_NETWORK_STATE = {
8413        android.Manifest.permission.CHANGE_NETWORK_STATE,
8414        android.Manifest.permission.WRITE_SETTINGS
8415    };
8416    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8417        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8418    };
8419
8420    /**
8421     * Performs a strict and comprehensive check of whether a calling package is allowed to
8422     * write/modify system settings, as the condition differs for pre-M, M+, and
8423     * privileged/preinstalled apps. If the provided uid does not match the
8424     * callingPackage, a negative result will be returned.
8425     * @hide
8426     */
8427    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8428            String callingPackage, boolean throwException) {
8429        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8430                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8431                PM_WRITE_SETTINGS, false);
8432    }
8433
8434    /**
8435     * Performs a strict and comprehensive check of whether a calling package is allowed to
8436     * write/modify system settings, as the condition differs for pre-M, M+, and
8437     * privileged/preinstalled apps. If the provided uid does not match the
8438     * callingPackage, a negative result will be returned. The caller is expected to have
8439     * the WRITE_SETTINGS permission declared.
8440     *
8441     * Note: if the check is successful, the operation of this app will be updated to the
8442     * current time.
8443     * @hide
8444     */
8445    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8446            String callingPackage, boolean throwException) {
8447        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8448                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8449                PM_WRITE_SETTINGS, true);
8450    }
8451
8452    /**
8453     * Performs a strict and comprehensive check of whether a calling package is allowed to
8454     * change the state of network, as the condition differs for pre-M, M+, and
8455     * privileged/preinstalled apps. The caller is expected to have either the
8456     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8457     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8458     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8459     * permission and cannot be revoked. See http://b/23597341
8460     *
8461     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8462     * of this app will be updated to the current time.
8463     * @hide
8464     */
8465    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8466            String callingPackage, boolean throwException) {
8467        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8468                == PackageManager.PERMISSION_GRANTED) {
8469            return true;
8470        }
8471        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8472                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8473                PM_CHANGE_NETWORK_STATE, true);
8474    }
8475
8476    /**
8477     * Performs a strict and comprehensive check of whether a calling package is allowed to
8478     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8479     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8480     * a negative result will be returned.
8481     * @hide
8482     */
8483    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8484            String callingPackage, boolean throwException) {
8485        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8486                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8487                PM_SYSTEM_ALERT_WINDOW, false);
8488    }
8489
8490    /**
8491     * Performs a strict and comprehensive check of whether a calling package is allowed to
8492     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8493     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8494     * a negative result will be returned.
8495     *
8496     * Note: if the check is successful, the operation of this app will be updated to the
8497     * current time.
8498     * @hide
8499     */
8500    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8501            callingPackage, boolean throwException) {
8502        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8503                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8504                PM_SYSTEM_ALERT_WINDOW, true);
8505    }
8506
8507    /**
8508     * Helper method to perform a general and comprehensive check of whether an operation that is
8509     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8510     * OP_WRITE_SETTINGS
8511     * @hide
8512     */
8513    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8514            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8515            permissions, boolean makeNote) {
8516        if (callingPackage == null) {
8517            return false;
8518        }
8519
8520        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8521        int mode = AppOpsManager.MODE_DEFAULT;
8522        if (makeNote) {
8523            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8524        } else {
8525            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8526        }
8527
8528        switch (mode) {
8529            case AppOpsManager.MODE_ALLOWED:
8530                return true;
8531
8532            case AppOpsManager.MODE_DEFAULT:
8533                // this is the default operating mode after an app's installation
8534                // In this case we will check all associated static permission to see
8535                // if it is granted during install time.
8536                for (String permission : permissions) {
8537                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8538                            .PERMISSION_GRANTED) {
8539                        // if either of the permissions are granted, we will allow it
8540                        return true;
8541                    }
8542                }
8543
8544            default:
8545                // this is for all other cases trickled down here...
8546                if (!throwException) {
8547                    return false;
8548                }
8549        }
8550
8551        // prepare string to throw SecurityException
8552        StringBuilder exceptionMessage = new StringBuilder();
8553        exceptionMessage.append(callingPackage);
8554        exceptionMessage.append(" was not granted ");
8555        if (permissions.length > 1) {
8556            exceptionMessage.append(" either of these permissions: ");
8557        } else {
8558            exceptionMessage.append(" this permission: ");
8559        }
8560        for (int i = 0; i < permissions.length; i++) {
8561            exceptionMessage.append(permissions[i]);
8562            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8563        }
8564
8565        throw new SecurityException(exceptionMessage.toString());
8566    }
8567
8568    /**
8569     * Retrieves a correponding package name for a given uid. It will query all
8570     * packages that are associated with the given uid, but it will return only
8571     * the zeroth result.
8572     * Note: If package could not be found, a null is returned.
8573     * @hide
8574     */
8575    public static String getPackageNameForUid(Context context, int uid) {
8576        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8577        if (packages == null) {
8578            return null;
8579        }
8580        return packages[0];
8581    }
8582}
8583