Settings.java revision 386f8349709380143f9bf38b41d8dffe736075bf
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     * An app can use this method to check if it is currently allowed to change the network
1438     * state. In order to be allowed to do so, an app must first declare either the
1439     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} or
1440     * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it
1441     * is currently disallowed, it can prompt the user to grant it this capability through a
1442     * management UI by sending an Intent with action
1443     * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
1444     *
1445     * @param context A context
1446     * @return true if the calling app can change the state of network, false otherwise.
1447     * @hide
1448     */
1449    public static boolean canChangeNetworkState(Context context) {
1450        int uid = Binder.getCallingUid();
1451        return Settings.isCallingPackageAllowedToChangeNetworkState(context, uid, Settings
1452                .getPackageNameForUid(context, uid), false);
1453    }
1454
1455    /**
1456     * System settings, containing miscellaneous system preferences.  This
1457     * table holds simple name/value pairs.  There are convenience
1458     * functions for accessing individual settings entries.
1459     */
1460    public static final class System extends NameValueTable {
1461        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1462
1463        /** @hide */
1464        public static interface Validator {
1465            public boolean validate(String value);
1466        }
1467
1468        /**
1469         * The content:// style URL for this table
1470         */
1471        public static final Uri CONTENT_URI =
1472            Uri.parse("content://" + AUTHORITY + "/system");
1473
1474        private static final NameValueCache sNameValueCache = new NameValueCache(
1475                SYS_PROP_SETTING_VERSION,
1476                CONTENT_URI,
1477                CALL_METHOD_GET_SYSTEM,
1478                CALL_METHOD_PUT_SYSTEM);
1479
1480        private static final HashSet<String> MOVED_TO_SECURE;
1481        static {
1482            MOVED_TO_SECURE = new HashSet<String>(30);
1483            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1484            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1485            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1486            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1487            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1488            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1489            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1490            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1491            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1492            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1493            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1494            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1495            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1496            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1497            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1498            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1499            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1500            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1501            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1502            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1503            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1504            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1505            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1506            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1507            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1508            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1509            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1510            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1511
1512            // At one time in System, then Global, but now back in Secure
1513            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1514        }
1515
1516        private static final HashSet<String> MOVED_TO_GLOBAL;
1517        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1518        static {
1519            MOVED_TO_GLOBAL = new HashSet<String>();
1520            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1521
1522            // these were originally in system but migrated to secure in the past,
1523            // so are duplicated in the Secure.* namespace
1524            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1525            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1526            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1527            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1528            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1529            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1530
1531            // these are moving directly from system to global
1532            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1533            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1534            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1535            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1536            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1537            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1538            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1539            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1540            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1541            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1542            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1543            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1544            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1545            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1546            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1547            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1548            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1549            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1550            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1551            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1552            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1553            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1554            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1555            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1556            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1557            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1558            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1559            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1560            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1561            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1562            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1563            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1564            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1565            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1566            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1567            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1568        }
1569
1570        private static final Validator sBooleanValidator =
1571                new DiscreteValueValidator(new String[] {"0", "1"});
1572
1573        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1574            @Override
1575            public boolean validate(String value) {
1576                try {
1577                    return Integer.parseInt(value) >= 0;
1578                } catch (NumberFormatException e) {
1579                    return false;
1580                }
1581            }
1582        };
1583
1584        private static final Validator sUriValidator = new Validator() {
1585            @Override
1586            public boolean validate(String value) {
1587                try {
1588                    Uri.decode(value);
1589                    return true;
1590                } catch (IllegalArgumentException e) {
1591                    return false;
1592                }
1593            }
1594        };
1595
1596        private static final Validator sLenientIpAddressValidator = new Validator() {
1597            private static final int MAX_IPV6_LENGTH = 45;
1598
1599            @Override
1600            public boolean validate(String value) {
1601                return value.length() <= MAX_IPV6_LENGTH;
1602            }
1603        };
1604
1605        /** @hide */
1606        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1607            outKeySet.addAll(MOVED_TO_GLOBAL);
1608            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1609        }
1610
1611        /** @hide */
1612        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1613            outKeySet.addAll(MOVED_TO_SECURE);
1614        }
1615
1616        /** @hide */
1617        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1618            outKeySet.addAll(MOVED_TO_GLOBAL);
1619        }
1620
1621        /**
1622         * Look up a name in the database.
1623         * @param resolver to access the database with
1624         * @param name to look up in the table
1625         * @return the corresponding value, or null if not present
1626         */
1627        public static String getString(ContentResolver resolver, String name) {
1628            return getStringForUser(resolver, name, UserHandle.myUserId());
1629        }
1630
1631        /** @hide */
1632        public static String getStringForUser(ContentResolver resolver, String name,
1633                int userHandle) {
1634            if (MOVED_TO_SECURE.contains(name)) {
1635                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1636                        + " to android.provider.Settings.Secure, returning read-only value.");
1637                return Secure.getStringForUser(resolver, name, userHandle);
1638            }
1639            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1640                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1641                        + " to android.provider.Settings.Global, returning read-only value.");
1642                return Global.getStringForUser(resolver, name, userHandle);
1643            }
1644            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1645        }
1646
1647        /**
1648         * Store a name/value pair into the database.
1649         * @param resolver to access the database with
1650         * @param name to store
1651         * @param value to associate with the name
1652         * @return true if the value was set, false on database errors
1653         */
1654        public static boolean putString(ContentResolver resolver, String name, String value) {
1655            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1656        }
1657
1658        /** @hide */
1659        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1660                int userHandle) {
1661            if (MOVED_TO_SECURE.contains(name)) {
1662                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1663                        + " to android.provider.Settings.Secure, value is unchanged.");
1664                return false;
1665            }
1666            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1667                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1668                        + " to android.provider.Settings.Global, value is unchanged.");
1669                return false;
1670            }
1671            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1672        }
1673
1674        /**
1675         * Construct the content URI for a particular name/value pair,
1676         * useful for monitoring changes with a ContentObserver.
1677         * @param name to look up in the table
1678         * @return the corresponding content URI, or null if not present
1679         */
1680        public static Uri getUriFor(String name) {
1681            if (MOVED_TO_SECURE.contains(name)) {
1682                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1683                    + " to android.provider.Settings.Secure, returning Secure URI.");
1684                return Secure.getUriFor(Secure.CONTENT_URI, name);
1685            }
1686            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1687                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1688                        + " to android.provider.Settings.Global, returning read-only global URI.");
1689                return Global.getUriFor(Global.CONTENT_URI, name);
1690            }
1691            return getUriFor(CONTENT_URI, name);
1692        }
1693
1694        /**
1695         * Convenience function for retrieving a single system settings value
1696         * as an integer.  Note that internally setting values are always
1697         * stored as strings; this function converts the string to an integer
1698         * for you.  The default value will be returned if the setting is
1699         * not defined or not an integer.
1700         *
1701         * @param cr The ContentResolver to access.
1702         * @param name The name of the setting to retrieve.
1703         * @param def Value to return if the setting is not defined.
1704         *
1705         * @return The setting's current value, or 'def' if it is not defined
1706         * or not a valid integer.
1707         */
1708        public static int getInt(ContentResolver cr, String name, int def) {
1709            return getIntForUser(cr, name, def, UserHandle.myUserId());
1710        }
1711
1712        /** @hide */
1713        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1714            String v = getStringForUser(cr, name, userHandle);
1715            try {
1716                return v != null ? Integer.parseInt(v) : def;
1717            } catch (NumberFormatException e) {
1718                return def;
1719            }
1720        }
1721
1722        /**
1723         * Convenience function for retrieving a single system settings value
1724         * as an integer.  Note that internally setting values are always
1725         * stored as strings; this function converts the string to an integer
1726         * for you.
1727         * <p>
1728         * This version does not take a default value.  If the setting has not
1729         * been set, or the string value is not a number,
1730         * it throws {@link SettingNotFoundException}.
1731         *
1732         * @param cr The ContentResolver to access.
1733         * @param name The name of the setting to retrieve.
1734         *
1735         * @throws SettingNotFoundException Thrown if a setting by the given
1736         * name can't be found or the setting value is not an integer.
1737         *
1738         * @return The setting's current value.
1739         */
1740        public static int getInt(ContentResolver cr, String name)
1741                throws SettingNotFoundException {
1742            return getIntForUser(cr, name, UserHandle.myUserId());
1743        }
1744
1745        /** @hide */
1746        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1747                throws SettingNotFoundException {
1748            String v = getStringForUser(cr, name, userHandle);
1749            try {
1750                return Integer.parseInt(v);
1751            } catch (NumberFormatException e) {
1752                throw new SettingNotFoundException(name);
1753            }
1754        }
1755
1756        /**
1757         * Convenience function for updating a single settings value as an
1758         * integer. This will either create a new entry in the table if the
1759         * given name does not exist, or modify the value of the existing row
1760         * with that name.  Note that internally setting values are always
1761         * stored as strings, so this function converts the given value to a
1762         * string before storing it.
1763         *
1764         * @param cr The ContentResolver to access.
1765         * @param name The name of the setting to modify.
1766         * @param value The new value for the setting.
1767         * @return true if the value was set, false on database errors
1768         */
1769        public static boolean putInt(ContentResolver cr, String name, int value) {
1770            return putIntForUser(cr, name, value, UserHandle.myUserId());
1771        }
1772
1773        /** @hide */
1774        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1775                int userHandle) {
1776            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1777        }
1778
1779        /**
1780         * Convenience function for retrieving a single system settings value
1781         * as a {@code long}.  Note that internally setting values are always
1782         * stored as strings; this function converts the string to a {@code long}
1783         * for you.  The default value will be returned if the setting is
1784         * not defined or not a {@code long}.
1785         *
1786         * @param cr The ContentResolver to access.
1787         * @param name The name of the setting to retrieve.
1788         * @param def Value to return if the setting is not defined.
1789         *
1790         * @return The setting's current value, or 'def' if it is not defined
1791         * or not a valid {@code long}.
1792         */
1793        public static long getLong(ContentResolver cr, String name, long def) {
1794            return getLongForUser(cr, name, def, UserHandle.myUserId());
1795        }
1796
1797        /** @hide */
1798        public static long getLongForUser(ContentResolver cr, String name, long def,
1799                int userHandle) {
1800            String valString = getStringForUser(cr, name, userHandle);
1801            long value;
1802            try {
1803                value = valString != null ? Long.parseLong(valString) : def;
1804            } catch (NumberFormatException e) {
1805                value = def;
1806            }
1807            return value;
1808        }
1809
1810        /**
1811         * Convenience function for retrieving a single system settings value
1812         * as a {@code long}.  Note that internally setting values are always
1813         * stored as strings; this function converts the string to a {@code long}
1814         * for you.
1815         * <p>
1816         * This version does not take a default value.  If the setting has not
1817         * been set, or the string value is not a number,
1818         * it throws {@link SettingNotFoundException}.
1819         *
1820         * @param cr The ContentResolver to access.
1821         * @param name The name of the setting to retrieve.
1822         *
1823         * @return The setting's current value.
1824         * @throws SettingNotFoundException Thrown if a setting by the given
1825         * name can't be found or the setting value is not an integer.
1826         */
1827        public static long getLong(ContentResolver cr, String name)
1828                throws SettingNotFoundException {
1829            return getLongForUser(cr, name, UserHandle.myUserId());
1830        }
1831
1832        /** @hide */
1833        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1834                throws SettingNotFoundException {
1835            String valString = getStringForUser(cr, name, userHandle);
1836            try {
1837                return Long.parseLong(valString);
1838            } catch (NumberFormatException e) {
1839                throw new SettingNotFoundException(name);
1840            }
1841        }
1842
1843        /**
1844         * Convenience function for updating a single settings value as a long
1845         * integer. This will either create a new entry in the table if the
1846         * given name does not exist, or modify the value of the existing row
1847         * with that name.  Note that internally setting values are always
1848         * stored as strings, so this function converts the given value to a
1849         * string before storing it.
1850         *
1851         * @param cr The ContentResolver to access.
1852         * @param name The name of the setting to modify.
1853         * @param value The new value for the setting.
1854         * @return true if the value was set, false on database errors
1855         */
1856        public static boolean putLong(ContentResolver cr, String name, long value) {
1857            return putLongForUser(cr, name, value, UserHandle.myUserId());
1858        }
1859
1860        /** @hide */
1861        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1862                int userHandle) {
1863            return putStringForUser(cr, name, Long.toString(value), userHandle);
1864        }
1865
1866        /**
1867         * Convenience function for retrieving a single system settings value
1868         * as a floating point number.  Note that internally setting values are
1869         * always stored as strings; this function converts the string to an
1870         * float for you. The default value will be returned if the setting
1871         * is not defined or not a valid float.
1872         *
1873         * @param cr The ContentResolver to access.
1874         * @param name The name of the setting to retrieve.
1875         * @param def Value to return if the setting is not defined.
1876         *
1877         * @return The setting's current value, or 'def' if it is not defined
1878         * or not a valid float.
1879         */
1880        public static float getFloat(ContentResolver cr, String name, float def) {
1881            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1882        }
1883
1884        /** @hide */
1885        public static float getFloatForUser(ContentResolver cr, String name, float def,
1886                int userHandle) {
1887            String v = getStringForUser(cr, name, userHandle);
1888            try {
1889                return v != null ? Float.parseFloat(v) : def;
1890            } catch (NumberFormatException e) {
1891                return def;
1892            }
1893        }
1894
1895        /**
1896         * Convenience function for retrieving a single system settings value
1897         * as a float.  Note that internally setting values are always
1898         * stored as strings; this function converts the string to a float
1899         * for you.
1900         * <p>
1901         * This version does not take a default value.  If the setting has not
1902         * been set, or the string value is not a number,
1903         * it throws {@link SettingNotFoundException}.
1904         *
1905         * @param cr The ContentResolver to access.
1906         * @param name The name of the setting to retrieve.
1907         *
1908         * @throws SettingNotFoundException Thrown if a setting by the given
1909         * name can't be found or the setting value is not a float.
1910         *
1911         * @return The setting's current value.
1912         */
1913        public static float getFloat(ContentResolver cr, String name)
1914                throws SettingNotFoundException {
1915            return getFloatForUser(cr, name, UserHandle.myUserId());
1916        }
1917
1918        /** @hide */
1919        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1920                throws SettingNotFoundException {
1921            String v = getStringForUser(cr, name, userHandle);
1922            if (v == null) {
1923                throw new SettingNotFoundException(name);
1924            }
1925            try {
1926                return Float.parseFloat(v);
1927            } catch (NumberFormatException e) {
1928                throw new SettingNotFoundException(name);
1929            }
1930        }
1931
1932        /**
1933         * Convenience function for updating a single settings value as a
1934         * floating point number. This will either create a new entry in the
1935         * table if the given name does not exist, or modify the value of the
1936         * existing row with that name.  Note that internally setting values
1937         * are always stored as strings, so this function converts the given
1938         * value to a string before storing it.
1939         *
1940         * @param cr The ContentResolver to access.
1941         * @param name The name of the setting to modify.
1942         * @param value The new value for the setting.
1943         * @return true if the value was set, false on database errors
1944         */
1945        public static boolean putFloat(ContentResolver cr, String name, float value) {
1946            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1947        }
1948
1949        /** @hide */
1950        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1951                int userHandle) {
1952            return putStringForUser(cr, name, Float.toString(value), userHandle);
1953        }
1954
1955        /**
1956         * Convenience function to read all of the current
1957         * configuration-related settings into a
1958         * {@link Configuration} object.
1959         *
1960         * @param cr The ContentResolver to access.
1961         * @param outConfig Where to place the configuration settings.
1962         */
1963        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1964            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1965        }
1966
1967        /** @hide */
1968        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1969                int userHandle) {
1970            outConfig.fontScale = Settings.System.getFloatForUser(
1971                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1972            if (outConfig.fontScale < 0) {
1973                outConfig.fontScale = 1;
1974            }
1975        }
1976
1977        /**
1978         * @hide Erase the fields in the Configuration that should be applied
1979         * by the settings.
1980         */
1981        public static void clearConfiguration(Configuration inoutConfig) {
1982            inoutConfig.fontScale = 0;
1983        }
1984
1985        /**
1986         * Convenience function to write a batch of configuration-related
1987         * settings from a {@link Configuration} object.
1988         *
1989         * @param cr The ContentResolver to access.
1990         * @param config The settings to write.
1991         * @return true if the values were set, false on database errors
1992         */
1993        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1994            return putConfigurationForUser(cr, config, UserHandle.myUserId());
1995        }
1996
1997        /** @hide */
1998        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
1999                int userHandle) {
2000            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
2001        }
2002
2003        /** @hide */
2004        public static boolean hasInterestingConfigurationChanges(int changes) {
2005            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
2006        }
2007
2008        /** @deprecated - Do not use */
2009        @Deprecated
2010        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2011            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2012        }
2013
2014        /**
2015         * @hide
2016         * @deprecated - Do not use
2017         */
2018        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2019                int userHandle) {
2020            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2021        }
2022
2023        /** @deprecated - Do not use */
2024        @Deprecated
2025        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2026            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2027        }
2028
2029        /**
2030         * @hide
2031         * @deprecated - Do not use
2032         */
2033        @Deprecated
2034        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2035                int userHandle) {
2036            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2037        }
2038
2039        private static final class DiscreteValueValidator implements Validator {
2040            private final String[] mValues;
2041
2042            public DiscreteValueValidator(String[] values) {
2043                mValues = values;
2044            }
2045
2046            @Override
2047            public boolean validate(String value) {
2048                return ArrayUtils.contains(mValues, value);
2049            }
2050        }
2051
2052        private static final class InclusiveIntegerRangeValidator implements Validator {
2053            private final int mMin;
2054            private final int mMax;
2055
2056            public InclusiveIntegerRangeValidator(int min, int max) {
2057                mMin = min;
2058                mMax = max;
2059            }
2060
2061            @Override
2062            public boolean validate(String value) {
2063                try {
2064                    final int intValue = Integer.parseInt(value);
2065                    return intValue >= mMin && intValue <= mMax;
2066                } catch (NumberFormatException e) {
2067                    return false;
2068                }
2069            }
2070        }
2071
2072        private static final class InclusiveFloatRangeValidator implements Validator {
2073            private final float mMin;
2074            private final float mMax;
2075
2076            public InclusiveFloatRangeValidator(float min, float max) {
2077                mMin = min;
2078                mMax = max;
2079            }
2080
2081            @Override
2082            public boolean validate(String value) {
2083                try {
2084                    final float floatValue = Float.parseFloat(value);
2085                    return floatValue >= mMin && floatValue <= mMax;
2086                } catch (NumberFormatException e) {
2087                    return false;
2088                }
2089            }
2090        }
2091
2092        /**
2093         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2094         */
2095        @Deprecated
2096        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2097
2098        /**
2099         * What happens when the user presses the end call button if they're not
2100         * on a call.<br/>
2101         * <b>Values:</b><br/>
2102         * 0 - The end button does nothing.<br/>
2103         * 1 - The end button goes to the home screen.<br/>
2104         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2105         * 3 - The end button goes to the home screen.  If the user is already on the
2106         * home screen, it puts the device to sleep.
2107         */
2108        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2109
2110        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2111                new InclusiveIntegerRangeValidator(0, 3);
2112
2113        /**
2114         * END_BUTTON_BEHAVIOR value for "go home".
2115         * @hide
2116         */
2117        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2118
2119        /**
2120         * END_BUTTON_BEHAVIOR value for "go to sleep".
2121         * @hide
2122         */
2123        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2124
2125        /**
2126         * END_BUTTON_BEHAVIOR default value.
2127         * @hide
2128         */
2129        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2130
2131        /**
2132         * Is advanced settings mode turned on. 0 == no, 1 == yes
2133         * @hide
2134         */
2135        public static final String ADVANCED_SETTINGS = "advanced_settings";
2136
2137        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2138
2139        /**
2140         * ADVANCED_SETTINGS default value.
2141         * @hide
2142         */
2143        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2144
2145        /**
2146         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2147         */
2148        @Deprecated
2149        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2150
2151        /**
2152         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2153         */
2154        @Deprecated
2155        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2156
2157        /**
2158         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2159         */
2160        @Deprecated
2161        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2162
2163        /**
2164         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2165         * {@hide}
2166         */
2167        @Deprecated
2168        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2169
2170        /**
2171         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2172         */
2173        @Deprecated
2174        public static final String RADIO_CELL = Global.RADIO_CELL;
2175
2176        /**
2177         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2178         */
2179        @Deprecated
2180        public static final String RADIO_NFC = Global.RADIO_NFC;
2181
2182        /**
2183         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2184         */
2185        @Deprecated
2186        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2187
2188        /**
2189         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2190         *
2191         * {@hide}
2192         */
2193        @Deprecated
2194        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2195                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2196
2197        /**
2198         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2199         */
2200        @Deprecated
2201        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2202
2203        /**
2204         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2205         */
2206        @Deprecated
2207        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2208
2209        /**
2210         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2211         */
2212        @Deprecated
2213        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2214                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2215
2216        /**
2217         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2218         */
2219        @Deprecated
2220        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2221
2222        /**
2223         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2224         */
2225        @Deprecated
2226        public static final String MODE_RINGER = Global.MODE_RINGER;
2227
2228        /**
2229         * Whether to use static IP and other static network attributes.
2230         * <p>
2231         * Set to 1 for true and 0 for false.
2232         *
2233         * @deprecated Use {@link WifiManager} instead
2234         */
2235        @Deprecated
2236        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2237
2238        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2239
2240        /**
2241         * The static IP address.
2242         * <p>
2243         * Example: "192.168.1.51"
2244         *
2245         * @deprecated Use {@link WifiManager} instead
2246         */
2247        @Deprecated
2248        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2249
2250        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2251
2252        /**
2253         * If using static IP, the gateway's IP address.
2254         * <p>
2255         * Example: "192.168.1.1"
2256         *
2257         * @deprecated Use {@link WifiManager} instead
2258         */
2259        @Deprecated
2260        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2261
2262        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2263
2264        /**
2265         * If using static IP, the net mask.
2266         * <p>
2267         * Example: "255.255.255.0"
2268         *
2269         * @deprecated Use {@link WifiManager} instead
2270         */
2271        @Deprecated
2272        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2273
2274        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2275
2276        /**
2277         * If using static IP, the primary DNS's IP address.
2278         * <p>
2279         * Example: "192.168.1.1"
2280         *
2281         * @deprecated Use {@link WifiManager} instead
2282         */
2283        @Deprecated
2284        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2285
2286        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2287
2288        /**
2289         * If using static IP, the secondary DNS's IP address.
2290         * <p>
2291         * Example: "192.168.1.2"
2292         *
2293         * @deprecated Use {@link WifiManager} instead
2294         */
2295        @Deprecated
2296        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2297
2298        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2299
2300        /**
2301         * Determines whether remote devices may discover and/or connect to
2302         * this device.
2303         * <P>Type: INT</P>
2304         * 2 -- discoverable and connectable
2305         * 1 -- connectable but not discoverable
2306         * 0 -- neither connectable nor discoverable
2307         */
2308        public static final String BLUETOOTH_DISCOVERABILITY =
2309            "bluetooth_discoverability";
2310
2311        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2312                new InclusiveIntegerRangeValidator(0, 2);
2313
2314        /**
2315         * Bluetooth discoverability timeout.  If this value is nonzero, then
2316         * Bluetooth becomes discoverable for a certain number of seconds,
2317         * after which is becomes simply connectable.  The value is in seconds.
2318         */
2319        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2320            "bluetooth_discoverability_timeout";
2321
2322        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2323                sNonNegativeIntegerValidator;
2324
2325        /**
2326         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2327         * instead
2328         */
2329        @Deprecated
2330        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2331
2332        /**
2333         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2334         * instead
2335         */
2336        @Deprecated
2337        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2338
2339        /**
2340         * @deprecated Use
2341         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2342         * instead
2343         */
2344        @Deprecated
2345        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2346            "lock_pattern_tactile_feedback_enabled";
2347
2348        /**
2349         * A formatted string of the next alarm that is set, or the empty string
2350         * if there is no alarm set.
2351         *
2352         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2353         */
2354        @Deprecated
2355        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2356
2357        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2358            private static final int MAX_LENGTH = 1000;
2359
2360            @Override
2361            public boolean validate(String value) {
2362                // TODO: No idea what the correct format is.
2363                return value == null || value.length() < MAX_LENGTH;
2364            }
2365        };
2366
2367        /**
2368         * Scaling factor for fonts, float.
2369         */
2370        public static final String FONT_SCALE = "font_scale";
2371
2372        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2373            @Override
2374            public boolean validate(String value) {
2375                try {
2376                    return Float.parseFloat(value) >= 0;
2377                } catch (NumberFormatException e) {
2378                    return false;
2379                }
2380            }
2381        };
2382
2383        /**
2384         * Name of an application package to be debugged.
2385         *
2386         * @deprecated Use {@link Global#DEBUG_APP} instead
2387         */
2388        @Deprecated
2389        public static final String DEBUG_APP = Global.DEBUG_APP;
2390
2391        /**
2392         * If 1, when launching DEBUG_APP it will wait for the debugger before
2393         * starting user code.  If 0, it will run normally.
2394         *
2395         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2396         */
2397        @Deprecated
2398        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2399
2400        /**
2401         * Whether or not to dim the screen. 0=no  1=yes
2402         * @deprecated This setting is no longer used.
2403         */
2404        @Deprecated
2405        public static final String DIM_SCREEN = "dim_screen";
2406
2407        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2408
2409        /**
2410         * The amount of time in milliseconds before the device goes to sleep or begins
2411         * to dream after a period of inactivity.  This value is also known as the
2412         * user activity timeout period since the screen isn't necessarily turned off
2413         * when it expires.
2414         */
2415        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2416
2417        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2418
2419        /**
2420         * The screen backlight brightness between 0 and 255.
2421         */
2422        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2423
2424        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2425                new InclusiveIntegerRangeValidator(0, 255);
2426
2427        /**
2428         * Control whether to enable automatic brightness mode.
2429         */
2430        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2431
2432        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2433
2434        /**
2435         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2436         * or less (<0.0 >-1.0) bright.
2437         * @hide
2438         */
2439        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2440
2441        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2442                new InclusiveFloatRangeValidator(-1, 1);
2443
2444        /**
2445         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2446         */
2447        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2448
2449        /**
2450         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2451         */
2452        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2453
2454        /**
2455         * Control whether the process CPU usage meter should be shown.
2456         *
2457         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2458         */
2459        @Deprecated
2460        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2461
2462        /**
2463         * If 1, the activity manager will aggressively finish activities and
2464         * processes as soon as they are no longer needed.  If 0, the normal
2465         * extended lifetime is used.
2466         *
2467         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2468         */
2469        @Deprecated
2470        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2471
2472        /**
2473         * Determines which streams are affected by ringer mode changes. The
2474         * stream type's bit should be set to 1 if it should be muted when going
2475         * into an inaudible ringer mode.
2476         */
2477        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2478
2479        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2480                sNonNegativeIntegerValidator;
2481
2482        /**
2483          * Determines which streams are affected by mute. The
2484          * stream type's bit should be set to 1 if it should be muted when a mute request
2485          * is received.
2486          */
2487        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2488
2489        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2490                sNonNegativeIntegerValidator;
2491
2492        /**
2493         * Whether vibrate is on for different events. This is used internally,
2494         * changing this value will not change the vibrate. See AudioManager.
2495         */
2496        public static final String VIBRATE_ON = "vibrate_on";
2497
2498        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2499
2500        /**
2501         * If 1, redirects the system vibrator to all currently attached input devices
2502         * that support vibration.  If there are no such input devices, then the system
2503         * vibrator is used instead.
2504         * If 0, does not register the system vibrator.
2505         *
2506         * This setting is mainly intended to provide a compatibility mechanism for
2507         * applications that only know about the system vibrator and do not use the
2508         * input device vibrator API.
2509         *
2510         * @hide
2511         */
2512        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2513
2514        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2515
2516        /**
2517         * Ringer volume. This is used internally, changing this value will not
2518         * change the volume. See AudioManager.
2519         *
2520         * @removed Not used by anything since API 2.
2521         */
2522        public static final String VOLUME_RING = "volume_ring";
2523
2524        /**
2525         * System/notifications volume. This is used internally, changing this
2526         * value will not change the volume. See AudioManager.
2527         *
2528         * @removed Not used by anything since API 2.
2529         */
2530        public static final String VOLUME_SYSTEM = "volume_system";
2531
2532        /**
2533         * Voice call volume. This is used internally, changing this value will
2534         * not change the volume. See AudioManager.
2535         *
2536         * @removed Not used by anything since API 2.
2537         */
2538        public static final String VOLUME_VOICE = "volume_voice";
2539
2540        /**
2541         * Music/media/gaming volume. This is used internally, changing this
2542         * value will not change the volume. See AudioManager.
2543         *
2544         * @removed Not used by anything since API 2.
2545         */
2546        public static final String VOLUME_MUSIC = "volume_music";
2547
2548        /**
2549         * Alarm volume. This is used internally, changing this
2550         * value will not change the volume. See AudioManager.
2551         *
2552         * @removed Not used by anything since API 2.
2553         */
2554        public static final String VOLUME_ALARM = "volume_alarm";
2555
2556        /**
2557         * Notification volume. This is used internally, changing this
2558         * value will not change the volume. See AudioManager.
2559         *
2560         * @removed Not used by anything since API 2.
2561         */
2562        public static final String VOLUME_NOTIFICATION = "volume_notification";
2563
2564        /**
2565         * Bluetooth Headset volume. This is used internally, changing this value will
2566         * not change the volume. See AudioManager.
2567         *
2568         * @removed Not used by anything since API 2.
2569         */
2570        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2571
2572        /**
2573         * Master volume (float in the range 0.0f to 1.0f).
2574         *
2575         * @hide
2576         */
2577        public static final String VOLUME_MASTER = "volume_master";
2578
2579        /**
2580         * Master volume mute (int 1 = mute, 0 = not muted).
2581         *
2582         * @hide
2583         */
2584        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2585
2586        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2587
2588        /**
2589         * Microphone mute (int 1 = mute, 0 = not muted).
2590         *
2591         * @hide
2592         */
2593        public static final String MICROPHONE_MUTE = "microphone_mute";
2594
2595        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2596
2597        /**
2598         * Whether the notifications should use the ring volume (value of 1) or
2599         * a separate notification volume (value of 0). In most cases, users
2600         * will have this enabled so the notification and ringer volumes will be
2601         * the same. However, power users can disable this and use the separate
2602         * notification volume control.
2603         * <p>
2604         * Note: This is a one-off setting that will be removed in the future
2605         * when there is profile support. For this reason, it is kept hidden
2606         * from the public APIs.
2607         *
2608         * @hide
2609         * @deprecated
2610         */
2611        @Deprecated
2612        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2613            "notifications_use_ring_volume";
2614
2615        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2616
2617        /**
2618         * Whether silent mode should allow vibration feedback. This is used
2619         * internally in AudioService and the Sound settings activity to
2620         * coordinate decoupling of vibrate and silent modes. This setting
2621         * will likely be removed in a future release with support for
2622         * audio/vibe feedback profiles.
2623         *
2624         * Not used anymore. On devices with vibrator, the user explicitly selects
2625         * silent or vibrate mode.
2626         * Kept for use by legacy database upgrade code in DatabaseHelper.
2627         * @hide
2628         */
2629        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2630
2631        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2632
2633        /**
2634         * The mapping of stream type (integer) to its setting.
2635         *
2636         * @removed  Not used by anything since API 2.
2637         */
2638        public static final String[] VOLUME_SETTINGS = {
2639            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2640            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2641        };
2642
2643        /**
2644         * Appended to various volume related settings to record the previous
2645         * values before they the settings were affected by a silent/vibrate
2646         * ringer mode change.
2647         *
2648         * @removed  Not used by anything since API 2.
2649         */
2650        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2651
2652        /**
2653         * Persistent store for the system-wide default ringtone URI.
2654         * <p>
2655         * If you need to play the default ringtone at any given time, it is recommended
2656         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2657         * to the set default ringtone at the time of playing.
2658         *
2659         * @see #DEFAULT_RINGTONE_URI
2660         */
2661        public static final String RINGTONE = "ringtone";
2662
2663        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2664
2665        /**
2666         * A {@link Uri} that will point to the current default ringtone at any
2667         * given time.
2668         * <p>
2669         * If the current default ringtone is in the DRM provider and the caller
2670         * does not have permission, the exception will be a
2671         * FileNotFoundException.
2672         */
2673        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2674
2675        /**
2676         * Persistent store for the system-wide default notification sound.
2677         *
2678         * @see #RINGTONE
2679         * @see #DEFAULT_NOTIFICATION_URI
2680         */
2681        public static final String NOTIFICATION_SOUND = "notification_sound";
2682
2683        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2684
2685        /**
2686         * A {@link Uri} that will point to the current default notification
2687         * sound at any given time.
2688         *
2689         * @see #DEFAULT_RINGTONE_URI
2690         */
2691        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2692
2693        /**
2694         * Persistent store for the system-wide default alarm alert.
2695         *
2696         * @see #RINGTONE
2697         * @see #DEFAULT_ALARM_ALERT_URI
2698         */
2699        public static final String ALARM_ALERT = "alarm_alert";
2700
2701        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2702
2703        /**
2704         * A {@link Uri} that will point to the current default alarm alert at
2705         * any given time.
2706         *
2707         * @see #DEFAULT_ALARM_ALERT_URI
2708         */
2709        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2710
2711        /**
2712         * Persistent store for the system default media button event receiver.
2713         *
2714         * @hide
2715         */
2716        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2717
2718        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2719            @Override
2720            public boolean validate(String value) {
2721                try {
2722                    ComponentName.unflattenFromString(value);
2723                    return true;
2724                } catch (NullPointerException e) {
2725                    return false;
2726                }
2727            }
2728        };
2729
2730        /**
2731         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2732         */
2733        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2734
2735        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2736
2737        /**
2738         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2739         */
2740        public static final String TEXT_AUTO_CAPS = "auto_caps";
2741
2742        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2743
2744        /**
2745         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2746         * feature converts two spaces to a "." and space.
2747         */
2748        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2749
2750        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2751
2752        /**
2753         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2754         */
2755        public static final String TEXT_SHOW_PASSWORD = "show_password";
2756
2757        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2758
2759        public static final String SHOW_GTALK_SERVICE_STATUS =
2760                "SHOW_GTALK_SERVICE_STATUS";
2761
2762        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2763
2764        /**
2765         * Name of activity to use for wallpaper on the home screen.
2766         *
2767         * @deprecated Use {@link WallpaperManager} instead.
2768         */
2769        @Deprecated
2770        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2771
2772        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2773            private static final int MAX_LENGTH = 1000;
2774
2775            @Override
2776            public boolean validate(String value) {
2777                if (value != null && value.length() > MAX_LENGTH) {
2778                    return false;
2779                }
2780                return ComponentName.unflattenFromString(value) != null;
2781            }
2782        };
2783
2784        /**
2785         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2786         * instead
2787         */
2788        @Deprecated
2789        public static final String AUTO_TIME = Global.AUTO_TIME;
2790
2791        /**
2792         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2793         * instead
2794         */
2795        @Deprecated
2796        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2797
2798        /**
2799         * Display times as 12 or 24 hours
2800         *   12
2801         *   24
2802         */
2803        public static final String TIME_12_24 = "time_12_24";
2804
2805        /** @hide */
2806        public static final Validator TIME_12_24_VALIDATOR =
2807                new DiscreteValueValidator(new String[] {"12", "24"});
2808
2809        /**
2810         * Date format string
2811         *   mm/dd/yyyy
2812         *   dd/mm/yyyy
2813         *   yyyy/mm/dd
2814         */
2815        public static final String DATE_FORMAT = "date_format";
2816
2817        /** @hide */
2818        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2819            @Override
2820            public boolean validate(String value) {
2821                try {
2822                    new SimpleDateFormat(value);
2823                    return true;
2824                } catch (IllegalArgumentException e) {
2825                    return false;
2826                }
2827            }
2828        };
2829
2830        /**
2831         * Whether the setup wizard has been run before (on first boot), or if
2832         * it still needs to be run.
2833         *
2834         * nonzero = it has been run in the past
2835         * 0 = it has not been run in the past
2836         */
2837        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2838
2839        /** @hide */
2840        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2841
2842        /**
2843         * Scaling factor for normal window animations. Setting to 0 will disable window
2844         * animations.
2845         *
2846         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2847         */
2848        @Deprecated
2849        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2850
2851        /**
2852         * Scaling factor for activity transition animations. Setting to 0 will disable window
2853         * animations.
2854         *
2855         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2856         */
2857        @Deprecated
2858        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2859
2860        /**
2861         * Scaling factor for Animator-based animations. This affects both the start delay and
2862         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2863         * The default value is 1.
2864         *
2865         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2866         */
2867        @Deprecated
2868        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2869
2870        /**
2871         * Control whether the accelerometer will be used to change screen
2872         * orientation.  If 0, it will not be used unless explicitly requested
2873         * by the application; if 1, it will be used by default unless explicitly
2874         * disabled by the application.
2875         */
2876        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2877
2878        /** @hide */
2879        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2880
2881        /**
2882         * Default screen rotation when no other policy applies.
2883         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2884         * preference, this rotation value will be used. Must be one of the
2885         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2886         *
2887         * @see android.view.Display#getRotation
2888         */
2889        public static final String USER_ROTATION = "user_rotation";
2890
2891        /** @hide */
2892        public static final Validator USER_ROTATION_VALIDATOR =
2893                new InclusiveIntegerRangeValidator(0, 3);
2894
2895        /**
2896         * Control whether the rotation lock toggle in the System UI should be hidden.
2897         * Typically this is done for accessibility purposes to make it harder for
2898         * the user to accidentally toggle the rotation lock while the display rotation
2899         * has been locked for accessibility.
2900         *
2901         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2902         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2903         *
2904         * @hide
2905         */
2906        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2907                "hide_rotation_lock_toggle_for_accessibility";
2908
2909        /** @hide */
2910        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2911                sBooleanValidator;
2912
2913        /**
2914         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2915         * be used by Phone and Setting apps; it shouldn't affect other apps.
2916         * The value is boolean (1 or 0).
2917         *
2918         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2919         * It was about AudioManager's setting and thus affected all the applications which
2920         * relied on the setting, while this is purely about the vibration setting for incoming
2921         * calls.
2922         */
2923        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2924
2925        /** @hide */
2926        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2927
2928        /**
2929         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2930         * boolean (1 or 0).
2931         */
2932        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2933
2934        /** @hide */
2935        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2936
2937        /**
2938         * CDMA only settings
2939         * DTMF tone type played by the dialer when dialing.
2940         *                 0 = Normal
2941         *                 1 = Long
2942         */
2943        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2944
2945        /** @hide */
2946        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2947
2948        /**
2949         * Whether the hearing aid is enabled. The value is
2950         * boolean (1 or 0).
2951         * @hide
2952         */
2953        public static final String HEARING_AID = "hearing_aid";
2954
2955        /** @hide */
2956        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2957
2958        /**
2959         * CDMA only settings
2960         * TTY Mode
2961         * 0 = OFF
2962         * 1 = FULL
2963         * 2 = VCO
2964         * 3 = HCO
2965         * @hide
2966         */
2967        public static final String TTY_MODE = "tty_mode";
2968
2969        /** @hide */
2970        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2971
2972        /**
2973         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2974         * boolean (1 or 0).
2975         */
2976        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2977
2978        /** @hide */
2979        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
2980
2981        /**
2982         * Whether the haptic feedback (long presses, ...) are enabled. The value is
2983         * boolean (1 or 0).
2984         */
2985        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
2986
2987        /** @hide */
2988        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
2989
2990        /**
2991         * @deprecated Each application that shows web suggestions should have its own
2992         * setting for this.
2993         */
2994        @Deprecated
2995        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
2996
2997        /** @hide */
2998        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
2999
3000        /**
3001         * Whether the notification LED should repeatedly flash when a notification is
3002         * pending. The value is boolean (1 or 0).
3003         * @hide
3004         */
3005        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3006
3007        /** @hide */
3008        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3009
3010        /**
3011         * Show pointer location on screen?
3012         * 0 = no
3013         * 1 = yes
3014         * @hide
3015         */
3016        public static final String POINTER_LOCATION = "pointer_location";
3017
3018        /** @hide */
3019        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3020
3021        /**
3022         * Show touch positions on screen?
3023         * 0 = no
3024         * 1 = yes
3025         * @hide
3026         */
3027        public static final String SHOW_TOUCHES = "show_touches";
3028
3029        /** @hide */
3030        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3031
3032        /**
3033         * Log raw orientation data from
3034         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3035         * orientationplot.py tool.
3036         * 0 = no
3037         * 1 = yes
3038         * @hide
3039         */
3040        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3041                "window_orientation_listener_log";
3042
3043        /** @hide */
3044        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3045
3046        /**
3047         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3048         * instead
3049         * @hide
3050         */
3051        @Deprecated
3052        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3053
3054        /**
3055         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3056         * instead
3057         * @hide
3058         */
3059        @Deprecated
3060        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3061
3062        /**
3063         * Whether to play sounds when the keyguard is shown and dismissed.
3064         * @hide
3065         */
3066        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3067
3068        /** @hide */
3069        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3070
3071        /**
3072         * Whether the lockscreen should be completely disabled.
3073         * @hide
3074         */
3075        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3076
3077        /** @hide */
3078        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3079
3080        /**
3081         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3082         * instead
3083         * @hide
3084         */
3085        @Deprecated
3086        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3087
3088        /**
3089         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3090         * instead
3091         * @hide
3092         */
3093        @Deprecated
3094        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3095
3096        /**
3097         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3098         * instead
3099         * @hide
3100         */
3101        @Deprecated
3102        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3103
3104        /**
3105         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3106         * instead
3107         * @hide
3108         */
3109        @Deprecated
3110        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3111
3112        /**
3113         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3114         * instead
3115         * @hide
3116         */
3117        @Deprecated
3118        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3119
3120        /**
3121         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3122         * instead
3123         * @hide
3124         */
3125        @Deprecated
3126        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3127
3128        /**
3129         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3130         * instead
3131         * @hide
3132         */
3133        @Deprecated
3134        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3135
3136        /**
3137         * Receive incoming SIP calls?
3138         * 0 = no
3139         * 1 = yes
3140         * @hide
3141         */
3142        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3143
3144        /** @hide */
3145        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3146
3147        /**
3148         * Call Preference String.
3149         * "SIP_ALWAYS" : Always use SIP with network access
3150         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3151         * @hide
3152         */
3153        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3154
3155        /** @hide */
3156        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3157                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3158
3159        /**
3160         * One of the sip call options: Always use SIP with network access.
3161         * @hide
3162         */
3163        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3164
3165        /** @hide */
3166        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3167
3168        /**
3169         * One of the sip call options: Only if destination is a SIP address.
3170         * @hide
3171         */
3172        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3173
3174        /** @hide */
3175        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3176
3177        /**
3178         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3179         * the user should be prompted each time a call is made whether it should be placed using
3180         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3181         * SIP_ADDRESS_ONLY.
3182         * @hide
3183         */
3184        @Deprecated
3185        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3186
3187        /** @hide */
3188        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3189
3190        /**
3191         * Pointer speed setting.
3192         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3193         *   -7 = slowest
3194         *    0 = default speed
3195         *   +7 = fastest
3196         * @hide
3197         */
3198        public static final String POINTER_SPEED = "pointer_speed";
3199
3200        /** @hide */
3201        public static final Validator POINTER_SPEED_VALIDATOR =
3202                new InclusiveFloatRangeValidator(-7, 7);
3203
3204        /**
3205         * Whether lock-to-app will be triggered by long-press on recents.
3206         * @hide
3207         */
3208        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3209
3210        /** @hide */
3211        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3212
3213        /**
3214         * I am the lolrus.
3215         * <p>
3216         * Nonzero values indicate that the user has a bukkit.
3217         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3218         * @hide
3219         */
3220        public static final String EGG_MODE = "egg_mode";
3221
3222        /** @hide */
3223        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3224            @Override
3225            public boolean validate(String value) {
3226                try {
3227                    return Long.parseLong(value) >= 0;
3228                } catch (NumberFormatException e) {
3229                    return false;
3230                }
3231            }
3232        };
3233
3234        /**
3235         * IMPORTANT: If you add a new public settings you also have to add it to
3236         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3237         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3238         * the setting value. See an example above.
3239         */
3240
3241        /**
3242         * Settings to backup. This is here so that it's in the same place as the settings
3243         * keys and easy to update.
3244         *
3245         * NOTE: Settings are backed up and restored in the order they appear
3246         *       in this array. If you have one setting depending on another,
3247         *       make sure that they are ordered appropriately.
3248         *
3249         * @hide
3250         */
3251        public static final String[] SETTINGS_TO_BACKUP = {
3252            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3253            WIFI_USE_STATIC_IP,
3254            WIFI_STATIC_IP,
3255            WIFI_STATIC_GATEWAY,
3256            WIFI_STATIC_NETMASK,
3257            WIFI_STATIC_DNS1,
3258            WIFI_STATIC_DNS2,
3259            BLUETOOTH_DISCOVERABILITY,
3260            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3261            DIM_SCREEN,
3262            SCREEN_OFF_TIMEOUT,
3263            SCREEN_BRIGHTNESS,
3264            SCREEN_BRIGHTNESS_MODE,
3265            SCREEN_AUTO_BRIGHTNESS_ADJ,
3266            VIBRATE_INPUT_DEVICES,
3267            MODE_RINGER_STREAMS_AFFECTED,
3268            TEXT_AUTO_REPLACE,
3269            TEXT_AUTO_CAPS,
3270            TEXT_AUTO_PUNCTUATE,
3271            TEXT_SHOW_PASSWORD,
3272            AUTO_TIME,                  // moved to global
3273            AUTO_TIME_ZONE,             // moved to global
3274            TIME_12_24,
3275            DATE_FORMAT,
3276            DTMF_TONE_WHEN_DIALING,
3277            DTMF_TONE_TYPE_WHEN_DIALING,
3278            HEARING_AID,
3279            TTY_MODE,
3280            SOUND_EFFECTS_ENABLED,
3281            HAPTIC_FEEDBACK_ENABLED,
3282            POWER_SOUNDS_ENABLED,       // moved to global
3283            DOCK_SOUNDS_ENABLED,        // moved to global
3284            LOCKSCREEN_SOUNDS_ENABLED,
3285            SHOW_WEB_SUGGESTIONS,
3286            NOTIFICATION_LIGHT_PULSE,
3287            SIP_CALL_OPTIONS,
3288            SIP_RECEIVE_CALLS,
3289            POINTER_SPEED,
3290            VIBRATE_WHEN_RINGING,
3291            RINGTONE,
3292            LOCK_TO_APP_ENABLED,
3293            NOTIFICATION_SOUND
3294        };
3295
3296        /**
3297         * These are all public system settings
3298         *
3299         * @hide
3300         */
3301        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3302        static {
3303            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3304            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3305            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3306            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3307            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3308            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3309            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3310            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3311            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3312            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3313            PUBLIC_SETTINGS.add(FONT_SCALE);
3314            PUBLIC_SETTINGS.add(DIM_SCREEN);
3315            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3316            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3317            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3318            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3319            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3320            PUBLIC_SETTINGS.add(VIBRATE_ON);
3321            PUBLIC_SETTINGS.add(VOLUME_RING);
3322            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3323            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3324            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3325            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3326            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3327            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3328            PUBLIC_SETTINGS.add(RINGTONE);
3329            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3330            PUBLIC_SETTINGS.add(ALARM_ALERT);
3331            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3332            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3333            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3334            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3335            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3336            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3337            PUBLIC_SETTINGS.add(TIME_12_24);
3338            PUBLIC_SETTINGS.add(DATE_FORMAT);
3339            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3340            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3341            PUBLIC_SETTINGS.add(USER_ROTATION);
3342            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3343            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3344            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3345            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3346        }
3347
3348        /**
3349         * These are all hidden system settings.
3350         *
3351         * @hide
3352         */
3353        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3354        static {
3355            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3356            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3357            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3358            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3359            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3360            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3361            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3362            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3363            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3364            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3365            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3366            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3367            PRIVATE_SETTINGS.add(VIBRATE_WHEN_RINGING);
3368            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3369            PRIVATE_SETTINGS.add(HEARING_AID);
3370            PRIVATE_SETTINGS.add(TTY_MODE);
3371            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3372            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3373            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3374            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3375            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3376            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3377            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3378            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3379            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3380            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3381            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3382            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3383            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3384            PRIVATE_SETTINGS.add(LOCK_SOUND);
3385            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3386            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3387            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3388            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3389            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3390            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3391            PRIVATE_SETTINGS.add(POINTER_SPEED);
3392            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3393            PRIVATE_SETTINGS.add(EGG_MODE);
3394        }
3395
3396        /**
3397         * These are all public system settings
3398         *
3399         * @hide
3400         */
3401        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3402        static {
3403            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3404            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3405            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3406            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3407                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3408            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3409            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3410            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3411            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3412            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3413            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3414            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3415            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3416            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3417            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3418            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3419            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3420            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3421            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3422            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3423            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3424            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3425            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3426            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3427            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3428            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3429            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3430            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3431            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3432            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3433            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3434            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3435            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3436            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3437            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3438            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3439            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3440            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3441            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3442            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3443            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3444            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3445            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3446                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3447            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3448            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3449            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3450            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3451            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3452            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3453            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3454            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3455                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3456            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3457            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3458            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3459            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3460            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3461            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3462            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3463            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3464            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3465            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3466            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3467            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3468            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3469            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3470            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3471        }
3472
3473        /**
3474         * These entries are considered common between the personal and the managed profile,
3475         * since the managed profile doesn't get to change them.
3476         */
3477        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3478        static {
3479            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3480            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3481            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3482            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3483            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3484        }
3485
3486        /** @hide */
3487        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3488            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3489        }
3490
3491        /**
3492         * When to use Wi-Fi calling
3493         *
3494         * @see android.telephony.TelephonyManager.WifiCallingChoices
3495         * @hide
3496         */
3497        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3498
3499        // Settings moved to Settings.Secure
3500
3501        /**
3502         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3503         * instead
3504         */
3505        @Deprecated
3506        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3507
3508        /**
3509         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3510         */
3511        @Deprecated
3512        public static final String ANDROID_ID = Secure.ANDROID_ID;
3513
3514        /**
3515         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3516         */
3517        @Deprecated
3518        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3519
3520        /**
3521         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3522         */
3523        @Deprecated
3524        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3525
3526        /**
3527         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3528         */
3529        @Deprecated
3530        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3531
3532        /**
3533         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3534         */
3535        @Deprecated
3536        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3537
3538        /**
3539         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3540         */
3541        @Deprecated
3542        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3543
3544        /**
3545         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3546         * instead
3547         */
3548        @Deprecated
3549        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3550
3551        /**
3552         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3553         */
3554        @Deprecated
3555        public static final String LOGGING_ID = Secure.LOGGING_ID;
3556
3557        /**
3558         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3559         */
3560        @Deprecated
3561        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3562
3563        /**
3564         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3565         * instead
3566         */
3567        @Deprecated
3568        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3569
3570        /**
3571         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3572         * instead
3573         */
3574        @Deprecated
3575        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3576
3577        /**
3578         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3579         * instead
3580         */
3581        @Deprecated
3582        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3583            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3584
3585        /**
3586         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3587         */
3588        @Deprecated
3589        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3590
3591        /**
3592         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3593         */
3594        @Deprecated
3595        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3596
3597        /**
3598         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3599         */
3600        @Deprecated
3601        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3602
3603       /**
3604         * @deprecated Use
3605         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3606         */
3607        @Deprecated
3608        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3609
3610        /**
3611         * @deprecated Use
3612         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3613         */
3614        @Deprecated
3615        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3616                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3617
3618        /**
3619         * @deprecated Use
3620         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3621         */
3622        @Deprecated
3623        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3624                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3625
3626        /**
3627         * @deprecated Use
3628         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3629         */
3630        @Deprecated
3631        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3632                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3633
3634        /**
3635         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3636         * instead
3637         */
3638        @Deprecated
3639        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3640
3641        /**
3642         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3643         */
3644        @Deprecated
3645        public static final String WIFI_ON = Global.WIFI_ON;
3646
3647        /**
3648         * @deprecated Use
3649         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3650         * instead
3651         */
3652        @Deprecated
3653        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3654                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3655
3656        /**
3657         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3658         */
3659        @Deprecated
3660        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3661
3662        /**
3663         * @deprecated Use
3664         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3665         */
3666        @Deprecated
3667        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3668                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3669
3670        /**
3671         * @deprecated Use
3672         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3673         */
3674        @Deprecated
3675        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3676                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3677
3678        /**
3679         * @deprecated Use
3680         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3681         * instead
3682         */
3683        @Deprecated
3684        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3685                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3686
3687        /**
3688         * @deprecated Use
3689         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3690         */
3691        @Deprecated
3692        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3693            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3694
3695        /**
3696         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3697         * instead
3698         */
3699        @Deprecated
3700        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3701
3702        /**
3703         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3704         */
3705        @Deprecated
3706        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3707
3708        /**
3709         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3710         */
3711        @Deprecated
3712        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3713
3714        /**
3715         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3716         * instead
3717         */
3718        @Deprecated
3719        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3720
3721        /**
3722         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3723         * instead
3724         */
3725        @Deprecated
3726        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3727            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3728
3729        /**
3730         * An app can use this method to check if it is currently allowed to write or modify system
3731         * settings. In order to gain write access to the system settings, an app must declare the
3732         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3733         * currently disallowed, it can prompt the user to grant it this capability through a
3734         * management UI by sending an Intent with action
3735         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3736         *
3737         * @param context A context
3738         * @return true if the calling app can write to system settings, false otherwise
3739         */
3740        public static boolean canWrite(Context context) {
3741            int uid = Binder.getCallingUid();
3742            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3743                    context, uid), false);
3744        }
3745    }
3746
3747    /**
3748     * Secure system settings, containing system preferences that applications
3749     * can read but are not allowed to write.  These are for preferences that
3750     * the user must explicitly modify through the system UI or specialized
3751     * APIs for those values, not modified directly by applications.
3752     */
3753    public static final class Secure extends NameValueTable {
3754        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3755
3756        /**
3757         * The content:// style URL for this table
3758         */
3759        public static final Uri CONTENT_URI =
3760            Uri.parse("content://" + AUTHORITY + "/secure");
3761
3762        // Populated lazily, guarded by class object:
3763        private static final NameValueCache sNameValueCache = new NameValueCache(
3764                SYS_PROP_SETTING_VERSION,
3765                CONTENT_URI,
3766                CALL_METHOD_GET_SECURE,
3767                CALL_METHOD_PUT_SECURE);
3768
3769        private static ILockSettings sLockSettings = null;
3770
3771        private static boolean sIsSystemProcess;
3772        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3773        private static final HashSet<String> MOVED_TO_GLOBAL;
3774        static {
3775            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3776            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3777            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3778            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3779
3780            MOVED_TO_GLOBAL = new HashSet<String>();
3781            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3782            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3783            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3784            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3785            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3786            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3787            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3788            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3789            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3790            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3791            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3792            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3793            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3794            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3795            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3796            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3797            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3798            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3799            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3800            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3801            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3802            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3803            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3804            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3805            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3806            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3807            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3808            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3809            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3810            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3811            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3812            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3813            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3814            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3815            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3816            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3817            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3818            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3819            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3820            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3821            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3822            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3823            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3824            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3825            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3826            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3827            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3828            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3829            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3830            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3831            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3832            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3833            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3834            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3835            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3836            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3837            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3838            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3839            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3840            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3841            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3842            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3843            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3844            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3845            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3846            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3847            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3848            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3849            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3850            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3851            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3852            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3853            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3854            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3855            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3856            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3857            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3858            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3859            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3860            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3861            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3862            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3863            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3864            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3865            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3866            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3867            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3868            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3869            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3870            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3871            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3872            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3873            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3874            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3875            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3876            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3877            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3878            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3879            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3880            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3881            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3882            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3883            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3884            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3885            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3886            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3887            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3888            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3889            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3890            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3891            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3892            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3893        }
3894
3895        /** @hide */
3896        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3897            outKeySet.addAll(MOVED_TO_GLOBAL);
3898        }
3899
3900        /**
3901         * Look up a name in the database.
3902         * @param resolver to access the database with
3903         * @param name to look up in the table
3904         * @return the corresponding value, or null if not present
3905         */
3906        public static String getString(ContentResolver resolver, String name) {
3907            return getStringForUser(resolver, name, UserHandle.myUserId());
3908        }
3909
3910        /** @hide */
3911        public static String getStringForUser(ContentResolver resolver, String name,
3912                int userHandle) {
3913            if (MOVED_TO_GLOBAL.contains(name)) {
3914                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3915                        + " to android.provider.Settings.Global.");
3916                return Global.getStringForUser(resolver, name, userHandle);
3917            }
3918
3919            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3920                synchronized (Secure.class) {
3921                    if (sLockSettings == null) {
3922                        sLockSettings = ILockSettings.Stub.asInterface(
3923                                (IBinder) ServiceManager.getService("lock_settings"));
3924                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3925                    }
3926                }
3927                if (sLockSettings != null && !sIsSystemProcess) {
3928                    // No context; use the ActivityThread's context as an approximation for
3929                    // determining the target API level.
3930                    Application application = ActivityThread.currentApplication();
3931
3932                    boolean isPreMnc = application != null
3933                            && application.getApplicationInfo() != null
3934                            && application.getApplicationInfo().targetSdkVersion
3935                            <= VERSION_CODES.LOLLIPOP_MR1;
3936                    if (isPreMnc) {
3937                        try {
3938                            return sLockSettings.getString(name, "0", userHandle);
3939                        } catch (RemoteException re) {
3940                            // Fall through
3941                        }
3942                    } else {
3943                        throw new SecurityException("Settings.Secure." + name
3944                                + " is deprecated and no longer accessible."
3945                                + " See API documentation for potential replacements.");
3946                    }
3947                }
3948            }
3949
3950            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3951        }
3952
3953        /**
3954         * Store a name/value pair into the database.
3955         * @param resolver to access the database with
3956         * @param name to store
3957         * @param value to associate with the name
3958         * @return true if the value was set, false on database errors
3959         */
3960        public static boolean putString(ContentResolver resolver, String name, String value) {
3961            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3962        }
3963
3964        /** @hide */
3965        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3966                int userHandle) {
3967            if (LOCATION_MODE.equals(name)) {
3968                // HACK ALERT: temporary hack to work around b/10491283.
3969                // TODO: once b/10491283 fixed, remove this hack
3970                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3971            }
3972            if (MOVED_TO_GLOBAL.contains(name)) {
3973                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3974                        + " to android.provider.Settings.Global");
3975                return Global.putStringForUser(resolver, name, value, userHandle);
3976            }
3977            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
3978        }
3979
3980        /**
3981         * Construct the content URI for a particular name/value pair,
3982         * useful for monitoring changes with a ContentObserver.
3983         * @param name to look up in the table
3984         * @return the corresponding content URI, or null if not present
3985         */
3986        public static Uri getUriFor(String name) {
3987            if (MOVED_TO_GLOBAL.contains(name)) {
3988                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3989                        + " to android.provider.Settings.Global, returning global URI.");
3990                return Global.getUriFor(Global.CONTENT_URI, name);
3991            }
3992            return getUriFor(CONTENT_URI, name);
3993        }
3994
3995        /**
3996         * Convenience function for retrieving a single secure settings value
3997         * as an integer.  Note that internally setting values are always
3998         * stored as strings; this function converts the string to an integer
3999         * for you.  The default value will be returned if the setting is
4000         * not defined or not an integer.
4001         *
4002         * @param cr The ContentResolver to access.
4003         * @param name The name of the setting to retrieve.
4004         * @param def Value to return if the setting is not defined.
4005         *
4006         * @return The setting's current value, or 'def' if it is not defined
4007         * or not a valid integer.
4008         */
4009        public static int getInt(ContentResolver cr, String name, int def) {
4010            return getIntForUser(cr, name, def, UserHandle.myUserId());
4011        }
4012
4013        /** @hide */
4014        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4015            if (LOCATION_MODE.equals(name)) {
4016                // HACK ALERT: temporary hack to work around b/10491283.
4017                // TODO: once b/10491283 fixed, remove this hack
4018                return getLocationModeForUser(cr, userHandle);
4019            }
4020            String v = getStringForUser(cr, name, userHandle);
4021            try {
4022                return v != null ? Integer.parseInt(v) : def;
4023            } catch (NumberFormatException e) {
4024                return def;
4025            }
4026        }
4027
4028        /**
4029         * Convenience function for retrieving a single secure settings value
4030         * as an integer.  Note that internally setting values are always
4031         * stored as strings; this function converts the string to an integer
4032         * for you.
4033         * <p>
4034         * This version does not take a default value.  If the setting has not
4035         * been set, or the string value is not a number,
4036         * it throws {@link SettingNotFoundException}.
4037         *
4038         * @param cr The ContentResolver to access.
4039         * @param name The name of the setting to retrieve.
4040         *
4041         * @throws SettingNotFoundException Thrown if a setting by the given
4042         * name can't be found or the setting value is not an integer.
4043         *
4044         * @return The setting's current value.
4045         */
4046        public static int getInt(ContentResolver cr, String name)
4047                throws SettingNotFoundException {
4048            return getIntForUser(cr, name, UserHandle.myUserId());
4049        }
4050
4051        /** @hide */
4052        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4053                throws SettingNotFoundException {
4054            if (LOCATION_MODE.equals(name)) {
4055                // HACK ALERT: temporary hack to work around b/10491283.
4056                // TODO: once b/10491283 fixed, remove this hack
4057                return getLocationModeForUser(cr, userHandle);
4058            }
4059            String v = getStringForUser(cr, name, userHandle);
4060            try {
4061                return Integer.parseInt(v);
4062            } catch (NumberFormatException e) {
4063                throw new SettingNotFoundException(name);
4064            }
4065        }
4066
4067        /**
4068         * Convenience function for updating a single settings value as an
4069         * integer. This will either create a new entry in the table if the
4070         * given name does not exist, or modify the value of the existing row
4071         * with that name.  Note that internally setting values are always
4072         * stored as strings, so this function converts the given value to a
4073         * string before storing it.
4074         *
4075         * @param cr The ContentResolver to access.
4076         * @param name The name of the setting to modify.
4077         * @param value The new value for the setting.
4078         * @return true if the value was set, false on database errors
4079         */
4080        public static boolean putInt(ContentResolver cr, String name, int value) {
4081            return putIntForUser(cr, name, value, UserHandle.myUserId());
4082        }
4083
4084        /** @hide */
4085        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4086                int userHandle) {
4087            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4088        }
4089
4090        /**
4091         * Convenience function for retrieving a single secure settings value
4092         * as a {@code long}.  Note that internally setting values are always
4093         * stored as strings; this function converts the string to a {@code long}
4094         * for you.  The default value will be returned if the setting is
4095         * not defined or not a {@code long}.
4096         *
4097         * @param cr The ContentResolver to access.
4098         * @param name The name of the setting to retrieve.
4099         * @param def Value to return if the setting is not defined.
4100         *
4101         * @return The setting's current value, or 'def' if it is not defined
4102         * or not a valid {@code long}.
4103         */
4104        public static long getLong(ContentResolver cr, String name, long def) {
4105            return getLongForUser(cr, name, def, UserHandle.myUserId());
4106        }
4107
4108        /** @hide */
4109        public static long getLongForUser(ContentResolver cr, String name, long def,
4110                int userHandle) {
4111            String valString = getStringForUser(cr, name, userHandle);
4112            long value;
4113            try {
4114                value = valString != null ? Long.parseLong(valString) : def;
4115            } catch (NumberFormatException e) {
4116                value = def;
4117            }
4118            return value;
4119        }
4120
4121        /**
4122         * Convenience function for retrieving a single secure settings value
4123         * as a {@code long}.  Note that internally setting values are always
4124         * stored as strings; this function converts the string to a {@code long}
4125         * for you.
4126         * <p>
4127         * This version does not take a default value.  If the setting has not
4128         * been set, or the string value is not a number,
4129         * it throws {@link SettingNotFoundException}.
4130         *
4131         * @param cr The ContentResolver to access.
4132         * @param name The name of the setting to retrieve.
4133         *
4134         * @return The setting's current value.
4135         * @throws SettingNotFoundException Thrown if a setting by the given
4136         * name can't be found or the setting value is not an integer.
4137         */
4138        public static long getLong(ContentResolver cr, String name)
4139                throws SettingNotFoundException {
4140            return getLongForUser(cr, name, UserHandle.myUserId());
4141        }
4142
4143        /** @hide */
4144        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4145                throws SettingNotFoundException {
4146            String valString = getStringForUser(cr, name, userHandle);
4147            try {
4148                return Long.parseLong(valString);
4149            } catch (NumberFormatException e) {
4150                throw new SettingNotFoundException(name);
4151            }
4152        }
4153
4154        /**
4155         * Convenience function for updating a secure settings value as a long
4156         * integer. This will either create a new entry in the table if the
4157         * given name does not exist, or modify the value of the existing row
4158         * with that name.  Note that internally setting values are always
4159         * stored as strings, so this function converts the given value to a
4160         * string before storing it.
4161         *
4162         * @param cr The ContentResolver to access.
4163         * @param name The name of the setting to modify.
4164         * @param value The new value for the setting.
4165         * @return true if the value was set, false on database errors
4166         */
4167        public static boolean putLong(ContentResolver cr, String name, long value) {
4168            return putLongForUser(cr, name, value, UserHandle.myUserId());
4169        }
4170
4171        /** @hide */
4172        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4173                int userHandle) {
4174            return putStringForUser(cr, name, Long.toString(value), userHandle);
4175        }
4176
4177        /**
4178         * Convenience function for retrieving a single secure settings value
4179         * as a floating point number.  Note that internally setting values are
4180         * always stored as strings; this function converts the string to an
4181         * float for you. The default value will be returned if the setting
4182         * is not defined or not a valid float.
4183         *
4184         * @param cr The ContentResolver to access.
4185         * @param name The name of the setting to retrieve.
4186         * @param def Value to return if the setting is not defined.
4187         *
4188         * @return The setting's current value, or 'def' if it is not defined
4189         * or not a valid float.
4190         */
4191        public static float getFloat(ContentResolver cr, String name, float def) {
4192            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4193        }
4194
4195        /** @hide */
4196        public static float getFloatForUser(ContentResolver cr, String name, float def,
4197                int userHandle) {
4198            String v = getStringForUser(cr, name, userHandle);
4199            try {
4200                return v != null ? Float.parseFloat(v) : def;
4201            } catch (NumberFormatException e) {
4202                return def;
4203            }
4204        }
4205
4206        /**
4207         * Convenience function for retrieving a single secure settings value
4208         * as a float.  Note that internally setting values are always
4209         * stored as strings; this function converts the string to a float
4210         * for you.
4211         * <p>
4212         * This version does not take a default value.  If the setting has not
4213         * been set, or the string value is not a number,
4214         * it throws {@link SettingNotFoundException}.
4215         *
4216         * @param cr The ContentResolver to access.
4217         * @param name The name of the setting to retrieve.
4218         *
4219         * @throws SettingNotFoundException Thrown if a setting by the given
4220         * name can't be found or the setting value is not a float.
4221         *
4222         * @return The setting's current value.
4223         */
4224        public static float getFloat(ContentResolver cr, String name)
4225                throws SettingNotFoundException {
4226            return getFloatForUser(cr, name, UserHandle.myUserId());
4227        }
4228
4229        /** @hide */
4230        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4231                throws SettingNotFoundException {
4232            String v = getStringForUser(cr, name, userHandle);
4233            if (v == null) {
4234                throw new SettingNotFoundException(name);
4235            }
4236            try {
4237                return Float.parseFloat(v);
4238            } catch (NumberFormatException e) {
4239                throw new SettingNotFoundException(name);
4240            }
4241        }
4242
4243        /**
4244         * Convenience function for updating a single settings value as a
4245         * floating point number. This will either create a new entry in the
4246         * table if the given name does not exist, or modify the value of the
4247         * existing row with that name.  Note that internally setting values
4248         * are always stored as strings, so this function converts the given
4249         * value to a string before storing it.
4250         *
4251         * @param cr The ContentResolver to access.
4252         * @param name The name of the setting to modify.
4253         * @param value The new value for the setting.
4254         * @return true if the value was set, false on database errors
4255         */
4256        public static boolean putFloat(ContentResolver cr, String name, float value) {
4257            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4258        }
4259
4260        /** @hide */
4261        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4262                int userHandle) {
4263            return putStringForUser(cr, name, Float.toString(value), userHandle);
4264        }
4265
4266        /**
4267         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4268         * instead
4269         */
4270        @Deprecated
4271        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4272                Global.DEVELOPMENT_SETTINGS_ENABLED;
4273
4274        /**
4275         * When the user has enable the option to have a "bug report" command
4276         * in the power menu.
4277         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4278         * @hide
4279         */
4280        @Deprecated
4281        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4282
4283        /**
4284         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4285         */
4286        @Deprecated
4287        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4288
4289        /**
4290         * Setting to allow mock locations and location provider status to be injected into the
4291         * LocationManager service for testing purposes during application development.  These
4292         * locations and status values  override actual location and status information generated
4293         * by network, gps, or other location providers.
4294         *
4295         * @deprecated This settings is not used anymore.
4296         */
4297        @Deprecated
4298        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4299
4300        /**
4301         * A 64-bit number (as a hex string) that is randomly
4302         * generated when the user first sets up the device and should remain
4303         * constant for the lifetime of the user's device. The value may
4304         * change if a factory reset is performed on the device.
4305         * <p class="note"><strong>Note:</strong> When a device has <a
4306         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4307         * (available on certain devices running Android 4.2 or higher), each user appears as a
4308         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4309         * user.</p>
4310         */
4311        public static final String ANDROID_ID = "android_id";
4312
4313        /**
4314         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4315         */
4316        @Deprecated
4317        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4318
4319        /**
4320         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4321         */
4322        @Deprecated
4323        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4324
4325        /**
4326         * Setting to record the input method used by default, holding the ID
4327         * of the desired method.
4328         */
4329        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4330
4331        /**
4332         * Setting to record the input method subtype used by default, holding the ID
4333         * of the desired method.
4334         */
4335        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4336                "selected_input_method_subtype";
4337
4338        /**
4339         * Setting to record the history of input method subtype, holding the pair of ID of IME
4340         * and its last used subtype.
4341         * @hide
4342         */
4343        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4344                "input_methods_subtype_history";
4345
4346        /**
4347         * Setting to record the visibility of input method selector
4348         */
4349        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4350                "input_method_selector_visibility";
4351
4352        /**
4353         * The currently selected voice interaction service flattened ComponentName.
4354         * @hide
4355         */
4356        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4357
4358        /**
4359         * bluetooth HCI snoop log configuration
4360         * @hide
4361         */
4362        public static final String BLUETOOTH_HCI_LOG =
4363                "bluetooth_hci_log";
4364
4365        /**
4366         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4367         */
4368        @Deprecated
4369        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4370
4371        /**
4372         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4373         * @hide
4374         */
4375        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4376
4377        /**
4378         * List of input methods that are currently enabled.  This is a string
4379         * containing the IDs of all enabled input methods, each ID separated
4380         * by ':'.
4381         */
4382        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4383
4384        /**
4385         * List of system input methods that are currently disabled.  This is a string
4386         * containing the IDs of all disabled input methods, each ID separated
4387         * by ':'.
4388         * @hide
4389         */
4390        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4391
4392        /**
4393         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4394         * determines if the IME should be shown when a hard keyboard is attached.
4395         * @hide
4396         */
4397        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4398
4399        /**
4400         * Host name and port for global http proxy. Uses ':' seperator for
4401         * between host and port.
4402         *
4403         * @deprecated Use {@link Global#HTTP_PROXY}
4404         */
4405        @Deprecated
4406        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4407
4408        /**
4409         * Whether applications can be installed for this user via the system's
4410         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4411         *
4412         * <p>1 = permit app installation via the system package installer intent
4413         * <p>0 = do not allow use of the package installer
4414         */
4415        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4416
4417        /**
4418         * Comma-separated list of location providers that activities may access. Do not rely on
4419         * this value being present in settings.db or on ContentObserver notifications on the
4420         * corresponding Uri.
4421         *
4422         * @deprecated use {@link #LOCATION_MODE} and
4423         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4424         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4425         */
4426        @Deprecated
4427        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4428
4429        /**
4430         * The degree of location access enabled by the user.
4431         * <p>
4432         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4433         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4434         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4435         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4436         * modes that might be added in the future.
4437         * <p>
4438         * Note: do not rely on this value being present in settings.db or on ContentObserver
4439         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4440         * to receive changes in this value.
4441         */
4442        public static final String LOCATION_MODE = "location_mode";
4443
4444        /**
4445         * Location access disabled.
4446         */
4447        public static final int LOCATION_MODE_OFF = 0;
4448        /**
4449         * Network Location Provider disabled, but GPS and other sensors enabled.
4450         */
4451        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4452        /**
4453         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4454         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4455         * {@link android.location.Criteria#POWER_MEDIUM}.
4456         */
4457        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4458        /**
4459         * Best-effort location computation allowed.
4460         */
4461        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4462
4463        /**
4464         * A flag containing settings used for biometric weak
4465         * @hide
4466         */
4467        @Deprecated
4468        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4469                "lock_biometric_weak_flags";
4470
4471        /**
4472         * Whether lock-to-app will lock the keyguard when exiting.
4473         * @hide
4474         */
4475        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4476
4477        /**
4478         * Whether autolock is enabled (0 = false, 1 = true)
4479         *
4480         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4481         *             level of the keyguard. 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_ENABLED = "lock_pattern_autolock";
4486
4487        /**
4488         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4489         *
4490         * @deprecated Accessing this setting from an app that is targeting
4491         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4492         */
4493        @Deprecated
4494        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4495
4496        /**
4497         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4498         * true)
4499         *
4500         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4501         *             lockscreen uses
4502         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4503         *             Accessing this setting from an app that is targeting
4504         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4505         */
4506        @Deprecated
4507        public static final String
4508                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4509
4510        /**
4511         * This preference allows the device to be locked given time after screen goes off,
4512         * subject to current DeviceAdmin policy limits.
4513         * @hide
4514         */
4515        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4516
4517
4518        /**
4519         * This preference contains the string that shows for owner info on LockScreen.
4520         * @hide
4521         * @deprecated
4522         */
4523        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4524
4525        /**
4526         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4527         * @hide
4528         */
4529        @Deprecated
4530        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4531            "lock_screen_appwidget_ids";
4532
4533        /**
4534         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4535         * @hide
4536         */
4537        @Deprecated
4538        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4539            "lock_screen_fallback_appwidget_id";
4540
4541        /**
4542         * Index of the lockscreen appwidget to restore, -1 if none.
4543         * @hide
4544         */
4545        @Deprecated
4546        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4547            "lock_screen_sticky_appwidget";
4548
4549        /**
4550         * This preference enables showing the owner info on LockScreen.
4551         * @hide
4552         * @deprecated
4553         */
4554        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4555            "lock_screen_owner_info_enabled";
4556
4557        /**
4558         * When set by a user, allows notifications to be shown atop a securely locked screen
4559         * in their full "private" form (same as when the device is unlocked).
4560         * @hide
4561         */
4562        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4563                "lock_screen_allow_private_notifications";
4564
4565        /**
4566         * Set by the system to track if the user needs to see the call to action for
4567         * the lockscreen notification policy.
4568         * @hide
4569         */
4570        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4571                "show_note_about_notification_hiding";
4572
4573        /**
4574         * Set to 1 by the system after trust agents have been initialized.
4575         * @hide
4576         */
4577        public static final String TRUST_AGENTS_INITIALIZED =
4578                "trust_agents_initialized";
4579
4580        /**
4581         * The Logging ID (a unique 64-bit value) as a hex string.
4582         * Used as a pseudonymous identifier for logging.
4583         * @deprecated This identifier is poorly initialized and has
4584         * many collisions.  It should not be used.
4585         */
4586        @Deprecated
4587        public static final String LOGGING_ID = "logging_id";
4588
4589        /**
4590         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4591         */
4592        @Deprecated
4593        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4594
4595        /**
4596         * No longer supported.
4597         */
4598        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4599
4600        /**
4601         * No longer supported.
4602         */
4603        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4604
4605        /**
4606         * No longer supported.
4607         */
4608        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4609
4610        /**
4611         * Settings classname to launch when Settings is clicked from All
4612         * Applications.  Needed because of user testing between the old
4613         * and new Settings apps.
4614         */
4615        // TODO: 881807
4616        public static final String SETTINGS_CLASSNAME = "settings_classname";
4617
4618        /**
4619         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4620         */
4621        @Deprecated
4622        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4623
4624        /**
4625         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4626         */
4627        @Deprecated
4628        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4629
4630        /**
4631         * If accessibility is enabled.
4632         */
4633        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4634
4635        /**
4636         * If touch exploration is enabled.
4637         */
4638        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4639
4640        /**
4641         * List of the enabled accessibility providers.
4642         */
4643        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4644            "enabled_accessibility_services";
4645
4646        /**
4647         * List of the accessibility services to which the user has granted
4648         * permission to put the device into touch exploration mode.
4649         *
4650         * @hide
4651         */
4652        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4653            "touch_exploration_granted_accessibility_services";
4654
4655        /**
4656         * Whether to speak passwords while in accessibility mode.
4657         */
4658        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4659
4660        /**
4661         * Whether to draw text with high contrast while in accessibility mode.
4662         *
4663         * @hide
4664         */
4665        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4666                "high_text_contrast_enabled";
4667
4668        /**
4669         * If injection of accessibility enhancing JavaScript screen-reader
4670         * is enabled.
4671         * <p>
4672         *   Note: The JavaScript based screen-reader is served by the
4673         *   Google infrastructure and enable users with disabilities to
4674         *   efficiently navigate in and explore web content.
4675         * </p>
4676         * <p>
4677         *   This property represents a boolean value.
4678         * </p>
4679         * @hide
4680         */
4681        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4682            "accessibility_script_injection";
4683
4684        /**
4685         * The URL for the injected JavaScript based screen-reader used
4686         * for providing accessibility of content in WebView.
4687         * <p>
4688         *   Note: The JavaScript based screen-reader is served by the
4689         *   Google infrastructure and enable users with disabilities to
4690         *   efficiently navigate in and explore web content.
4691         * </p>
4692         * <p>
4693         *   This property represents a string value.
4694         * </p>
4695         * @hide
4696         */
4697        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4698            "accessibility_script_injection_url";
4699
4700        /**
4701         * Key bindings for navigation in built-in accessibility support for web content.
4702         * <p>
4703         *   Note: These key bindings are for the built-in accessibility navigation for
4704         *   web content which is used as a fall back solution if JavaScript in a WebView
4705         *   is not enabled or the user has not opted-in script injection from Google.
4706         * </p>
4707         * <p>
4708         *   The bindings are separated by semi-colon. A binding is a mapping from
4709         *   a key to a sequence of actions (for more details look at
4710         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4711         *   string representation of an integer obtained from a meta state (optional) shifted
4712         *   sixteen times left and bitwise ored with a key code. An action is represented
4713         *   as a hexademical string representation of an integer where the first two digits
4714         *   are navigation action index, the second, the third, and the fourth digit pairs
4715         *   represent the action arguments. The separate actions in a binding are colon
4716         *   separated. The key and the action sequence it maps to are separated by equals.
4717         * </p>
4718         * <p>
4719         *   For example, the binding below maps the DPAD right button to traverse the
4720         *   current navigation axis once without firing an accessibility event and to
4721         *   perform the same traversal again but to fire an event:
4722         *   <code>
4723         *     0x16=0x01000100:0x01000101;
4724         *   </code>
4725         * </p>
4726         * <p>
4727         *   The goal of this binding is to enable dynamic rebinding of keys to
4728         *   navigation actions for web content without requiring a framework change.
4729         * </p>
4730         * <p>
4731         *   This property represents a string value.
4732         * </p>
4733         * @hide
4734         */
4735        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4736            "accessibility_web_content_key_bindings";
4737
4738        /**
4739         * Setting that specifies whether the display magnification is enabled.
4740         * Display magnifications allows the user to zoom in the display content
4741         * and is targeted to low vision users. The current magnification scale
4742         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4743         *
4744         * @hide
4745         */
4746        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4747                "accessibility_display_magnification_enabled";
4748
4749        /**
4750         * Setting that specifies what the display magnification scale is.
4751         * Display magnifications allows the user to zoom in the display
4752         * content and is targeted to low vision users. Whether a display
4753         * magnification is performed is controlled by
4754         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4755         *
4756         * @hide
4757         */
4758        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4759                "accessibility_display_magnification_scale";
4760
4761        /**
4762         * Setting that specifies whether the display magnification should be
4763         * automatically updated. If this fearture is enabled the system will
4764         * exit magnification mode or pan the viewport when a context change
4765         * occurs. For example, on staring a new activity or rotating the screen,
4766         * the system may zoom out so the user can see the new context he is in.
4767         * Another example is on showing a window that is not visible in the
4768         * magnified viewport the system may pan the viewport to make the window
4769         * the has popped up so the user knows that the context has changed.
4770         * Whether a screen magnification is performed is controlled by
4771         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4772         *
4773         * @hide
4774         */
4775        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4776                "accessibility_display_magnification_auto_update";
4777
4778        /**
4779         * Setting that specifies whether timed text (captions) should be
4780         * displayed in video content. Text display properties are controlled by
4781         * the following settings:
4782         * <ul>
4783         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4784         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4785         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4786         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4787         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4788         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4789         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4790         * </ul>
4791         *
4792         * @hide
4793         */
4794        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4795                "accessibility_captioning_enabled";
4796
4797        /**
4798         * Setting that specifies the language for captions as a locale string,
4799         * e.g. en_US.
4800         *
4801         * @see java.util.Locale#toString
4802         * @hide
4803         */
4804        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4805                "accessibility_captioning_locale";
4806
4807        /**
4808         * Integer property that specifies the preset style for captions, one
4809         * of:
4810         * <ul>
4811         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4812         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4813         * </ul>
4814         *
4815         * @see java.util.Locale#toString
4816         * @hide
4817         */
4818        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4819                "accessibility_captioning_preset";
4820
4821        /**
4822         * Integer property that specifes the background color for captions as a
4823         * packed 32-bit color.
4824         *
4825         * @see android.graphics.Color#argb
4826         * @hide
4827         */
4828        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4829                "accessibility_captioning_background_color";
4830
4831        /**
4832         * Integer property that specifes the foreground color for captions as a
4833         * packed 32-bit color.
4834         *
4835         * @see android.graphics.Color#argb
4836         * @hide
4837         */
4838        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4839                "accessibility_captioning_foreground_color";
4840
4841        /**
4842         * Integer property that specifes the edge type for captions, one of:
4843         * <ul>
4844         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4845         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4846         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4847         * </ul>
4848         *
4849         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4850         * @hide
4851         */
4852        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4853                "accessibility_captioning_edge_type";
4854
4855        /**
4856         * Integer property that specifes the edge color for captions as a
4857         * packed 32-bit color.
4858         *
4859         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4860         * @see android.graphics.Color#argb
4861         * @hide
4862         */
4863        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4864                "accessibility_captioning_edge_color";
4865
4866        /**
4867         * Integer property that specifes the window color for captions as a
4868         * packed 32-bit color.
4869         *
4870         * @see android.graphics.Color#argb
4871         * @hide
4872         */
4873        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4874                "accessibility_captioning_window_color";
4875
4876        /**
4877         * String property that specifies the typeface for captions, one of:
4878         * <ul>
4879         * <li>DEFAULT
4880         * <li>MONOSPACE
4881         * <li>SANS_SERIF
4882         * <li>SERIF
4883         * </ul>
4884         *
4885         * @see android.graphics.Typeface
4886         * @hide
4887         */
4888        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4889                "accessibility_captioning_typeface";
4890
4891        /**
4892         * Floating point property that specifies font scaling for captions.
4893         *
4894         * @hide
4895         */
4896        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4897                "accessibility_captioning_font_scale";
4898
4899        /**
4900         * Setting that specifies whether display color inversion is enabled.
4901         */
4902        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4903                "accessibility_display_inversion_enabled";
4904
4905        /**
4906         * Setting that specifies whether display color space adjustment is
4907         * enabled.
4908         *
4909         * @hide
4910         */
4911        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4912                "accessibility_display_daltonizer_enabled";
4913
4914        /**
4915         * Integer property that specifies the type of color space adjustment to
4916         * perform. Valid values are defined in AccessibilityManager.
4917         *
4918         * @hide
4919         */
4920        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4921                "accessibility_display_daltonizer";
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         * The timeout for considering a press to be a long press in milliseconds.
4944         * @hide
4945         */
4946        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4947
4948        /**
4949         * List of the enabled print services.
4950         * @hide
4951         */
4952        public static final String ENABLED_PRINT_SERVICES =
4953            "enabled_print_services";
4954
4955        /**
4956         * List of the system print services we enabled on first boot. On
4957         * first boot we enable all system, i.e. bundled print services,
4958         * once, so they work out-of-the-box.
4959         * @hide
4960         */
4961        public static final String ENABLED_ON_FIRST_BOOT_SYSTEM_PRINT_SERVICES =
4962            "enabled_on_first_boot_system_print_services";
4963
4964        /**
4965         * Setting to always use the default text-to-speech settings regardless
4966         * of the application settings.
4967         * 1 = override application settings,
4968         * 0 = use application settings (if specified).
4969         *
4970         * @deprecated  The value of this setting is no longer respected by
4971         * the framework text to speech APIs as of the Ice Cream Sandwich release.
4972         */
4973        @Deprecated
4974        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
4975
4976        /**
4977         * Default text-to-speech engine speech rate. 100 = 1x
4978         */
4979        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
4980
4981        /**
4982         * Default text-to-speech engine pitch. 100 = 1x
4983         */
4984        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
4985
4986        /**
4987         * Default text-to-speech engine.
4988         */
4989        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
4990
4991        /**
4992         * Default text-to-speech language.
4993         *
4994         * @deprecated this setting is no longer in use, as of the Ice Cream
4995         * Sandwich release. Apps should never need to read this setting directly,
4996         * instead can query the TextToSpeech framework classes for the default
4997         * locale. {@link TextToSpeech#getLanguage()}.
4998         */
4999        @Deprecated
5000        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5001
5002        /**
5003         * Default text-to-speech country.
5004         *
5005         * @deprecated this setting is no longer in use, as of the Ice Cream
5006         * Sandwich release. Apps should never need to read this setting directly,
5007         * instead can query the TextToSpeech framework classes for the default
5008         * locale. {@link TextToSpeech#getLanguage()}.
5009         */
5010        @Deprecated
5011        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5012
5013        /**
5014         * Default text-to-speech locale variant.
5015         *
5016         * @deprecated this setting is no longer in use, as of the Ice Cream
5017         * Sandwich release. Apps should never need to read this setting directly,
5018         * instead can query the TextToSpeech framework classes for the
5019         * locale that is in use {@link TextToSpeech#getLanguage()}.
5020         */
5021        @Deprecated
5022        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5023
5024        /**
5025         * Stores the default tts locales on a per engine basis. Stored as
5026         * a comma seperated list of values, each value being of the form
5027         * {@code engine_name:locale} for example,
5028         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5029         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5030         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5031         * setting directly, and can query the TextToSpeech framework classes
5032         * for the locale that is in use.
5033         *
5034         * @hide
5035         */
5036        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5037
5038        /**
5039         * Space delimited list of plugin packages that are enabled.
5040         */
5041        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5042
5043        /**
5044         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5045         * instead.
5046         */
5047        @Deprecated
5048        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5049                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5050
5051        /**
5052         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5053         * instead.
5054         */
5055        @Deprecated
5056        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5057                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5058
5059        /**
5060         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5061         * instead.
5062         */
5063        @Deprecated
5064        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5065                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5066
5067        /**
5068         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5069         * instead.
5070         */
5071        @Deprecated
5072        public static final String WIFI_ON = Global.WIFI_ON;
5073
5074        /**
5075         * The acceptable packet loss percentage (range 0 - 100) before trying
5076         * another AP on the same network.
5077         * @deprecated This setting is not used.
5078         */
5079        @Deprecated
5080        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5081                "wifi_watchdog_acceptable_packet_loss_percentage";
5082
5083        /**
5084         * The number of access points required for a network in order for the
5085         * watchdog to monitor it.
5086         * @deprecated This setting is not used.
5087         */
5088        @Deprecated
5089        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5090
5091        /**
5092         * The delay between background checks.
5093         * @deprecated This setting is not used.
5094         */
5095        @Deprecated
5096        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5097                "wifi_watchdog_background_check_delay_ms";
5098
5099        /**
5100         * Whether the Wi-Fi watchdog is enabled for background checking even
5101         * after it thinks the user has connected to a good access point.
5102         * @deprecated This setting is not used.
5103         */
5104        @Deprecated
5105        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5106                "wifi_watchdog_background_check_enabled";
5107
5108        /**
5109         * The timeout for a background ping
5110         * @deprecated This setting is not used.
5111         */
5112        @Deprecated
5113        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5114                "wifi_watchdog_background_check_timeout_ms";
5115
5116        /**
5117         * The number of initial pings to perform that *may* be ignored if they
5118         * fail. Again, if these fail, they will *not* be used in packet loss
5119         * calculation. For example, one network always seemed to time out for
5120         * the first couple pings, so this is set to 3 by default.
5121         * @deprecated This setting is not used.
5122         */
5123        @Deprecated
5124        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5125            "wifi_watchdog_initial_ignored_ping_count";
5126
5127        /**
5128         * The maximum number of access points (per network) to attempt to test.
5129         * If this number is reached, the watchdog will no longer monitor the
5130         * initial connection state for the network. This is a safeguard for
5131         * networks containing multiple APs whose DNS does not respond to pings.
5132         * @deprecated This setting is not used.
5133         */
5134        @Deprecated
5135        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5136
5137        /**
5138         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5139         */
5140        @Deprecated
5141        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5142
5143        /**
5144         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5145         * @deprecated This setting is not used.
5146         */
5147        @Deprecated
5148        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5149
5150        /**
5151         * The number of pings to test if an access point is a good connection.
5152         * @deprecated This setting is not used.
5153         */
5154        @Deprecated
5155        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5156
5157        /**
5158         * The delay between pings.
5159         * @deprecated This setting is not used.
5160         */
5161        @Deprecated
5162        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5163
5164        /**
5165         * The timeout per ping.
5166         * @deprecated This setting is not used.
5167         */
5168        @Deprecated
5169        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5170
5171        /**
5172         * @deprecated Use
5173         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5174         */
5175        @Deprecated
5176        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5177
5178        /**
5179         * @deprecated Use
5180         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5181         */
5182        @Deprecated
5183        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5184                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5185
5186        /**
5187         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5188         * the receivers of the PendingIntent an opportunity to make a new network request before
5189         * the Network satisfying the request is potentially removed.
5190         *
5191         * @hide
5192         */
5193        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5194                "connectivity_release_pending_intent_delay_ms";
5195
5196        /**
5197         * Whether background data usage is allowed.
5198         *
5199         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5200         *             availability of background data depends on several
5201         *             combined factors. When background data is unavailable,
5202         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5203         *             now appear disconnected.
5204         */
5205        @Deprecated
5206        public static final String BACKGROUND_DATA = "background_data";
5207
5208        /**
5209         * Origins for which browsers should allow geolocation by default.
5210         * The value is a space-separated list of origins.
5211         */
5212        public static final String ALLOWED_GEOLOCATION_ORIGINS
5213                = "allowed_geolocation_origins";
5214
5215        /**
5216         * The preferred TTY mode     0 = TTy Off, CDMA default
5217         *                            1 = TTY Full
5218         *                            2 = TTY HCO
5219         *                            3 = TTY VCO
5220         * @hide
5221         */
5222        public static final String PREFERRED_TTY_MODE =
5223                "preferred_tty_mode";
5224
5225        /**
5226         * Whether the enhanced voice privacy mode is enabled.
5227         * 0 = normal voice privacy
5228         * 1 = enhanced voice privacy
5229         * @hide
5230         */
5231        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5232
5233        /**
5234         * Whether the TTY mode mode is enabled.
5235         * 0 = disabled
5236         * 1 = enabled
5237         * @hide
5238         */
5239        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5240
5241        /**
5242         * Controls whether settings backup is enabled.
5243         * Type: int ( 0 = disabled, 1 = enabled )
5244         * @hide
5245         */
5246        public static final String BACKUP_ENABLED = "backup_enabled";
5247
5248        /**
5249         * Controls whether application data is automatically restored from backup
5250         * at install time.
5251         * Type: int ( 0 = disabled, 1 = enabled )
5252         * @hide
5253         */
5254        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5255
5256        /**
5257         * Indicates whether settings backup has been fully provisioned.
5258         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5259         * @hide
5260         */
5261        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5262
5263        /**
5264         * Component of the transport to use for backup/restore.
5265         * @hide
5266         */
5267        public static final String BACKUP_TRANSPORT = "backup_transport";
5268
5269        /**
5270         * Version for which the setup wizard was last shown.  Bumped for
5271         * each release when there is new setup information to show.
5272         * @hide
5273         */
5274        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5275
5276        /**
5277         * The interval in milliseconds after which Wi-Fi is considered idle.
5278         * When idle, it is possible for the device to be switched from Wi-Fi to
5279         * the mobile data network.
5280         * @hide
5281         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5282         * instead.
5283         */
5284        @Deprecated
5285        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5286
5287        /**
5288         * The global search provider chosen by the user (if multiple global
5289         * search providers are installed). This will be the provider returned
5290         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5291         * installed. This setting is stored as a flattened component name as
5292         * per {@link ComponentName#flattenToString()}.
5293         *
5294         * @hide
5295         */
5296        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5297                "search_global_search_activity";
5298
5299        /**
5300         * The number of promoted sources in GlobalSearch.
5301         * @hide
5302         */
5303        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5304        /**
5305         * The maximum number of suggestions returned by GlobalSearch.
5306         * @hide
5307         */
5308        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5309        /**
5310         * The number of suggestions GlobalSearch will ask each non-web search source for.
5311         * @hide
5312         */
5313        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5314        /**
5315         * The number of suggestions the GlobalSearch will ask the web search source for.
5316         * @hide
5317         */
5318        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5319                "search_web_results_override_limit";
5320        /**
5321         * The number of milliseconds that GlobalSearch will wait for suggestions from
5322         * promoted sources before continuing with all other sources.
5323         * @hide
5324         */
5325        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5326                "search_promoted_source_deadline_millis";
5327        /**
5328         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5329         * @hide
5330         */
5331        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5332        /**
5333         * The maximum number of milliseconds that GlobalSearch shows the previous results
5334         * after receiving a new query.
5335         * @hide
5336         */
5337        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5338        /**
5339         * The maximum age of log data used for shortcuts in GlobalSearch.
5340         * @hide
5341         */
5342        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5343        /**
5344         * The maximum age of log data used for source ranking in GlobalSearch.
5345         * @hide
5346         */
5347        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5348                "search_max_source_event_age_millis";
5349        /**
5350         * The minimum number of impressions needed to rank a source in GlobalSearch.
5351         * @hide
5352         */
5353        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5354                "search_min_impressions_for_source_ranking";
5355        /**
5356         * The minimum number of clicks needed to rank a source in GlobalSearch.
5357         * @hide
5358         */
5359        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5360                "search_min_clicks_for_source_ranking";
5361        /**
5362         * The maximum number of shortcuts shown by GlobalSearch.
5363         * @hide
5364         */
5365        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5366        /**
5367         * The size of the core thread pool for suggestion queries in GlobalSearch.
5368         * @hide
5369         */
5370        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5371                "search_query_thread_core_pool_size";
5372        /**
5373         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5374         * @hide
5375         */
5376        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5377                "search_query_thread_max_pool_size";
5378        /**
5379         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5380         * @hide
5381         */
5382        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5383                "search_shortcut_refresh_core_pool_size";
5384        /**
5385         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5386         * @hide
5387         */
5388        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5389                "search_shortcut_refresh_max_pool_size";
5390        /**
5391         * The maximun time that excess threads in the GlobalSeach thread pools will
5392         * wait before terminating.
5393         * @hide
5394         */
5395        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5396                "search_thread_keepalive_seconds";
5397        /**
5398         * The maximum number of concurrent suggestion queries to each source.
5399         * @hide
5400         */
5401        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5402                "search_per_source_concurrent_query_limit";
5403
5404        /**
5405         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5406         * @hide
5407         */
5408        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5409
5410        /**
5411         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5412         * @hide
5413         */
5414        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5415
5416        /**
5417         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5418         * @hide
5419         */
5420        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5421
5422        /**
5423         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5424         * @hide
5425         */
5426        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5427
5428        /**
5429         * If nonzero, ANRs in invisible background processes bring up a dialog.
5430         * Otherwise, the process will be silently killed.
5431         * @hide
5432         */
5433        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5434
5435        /**
5436         * The {@link ComponentName} string of the service to be used as the voice recognition
5437         * service.
5438         *
5439         * @hide
5440         */
5441        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5442
5443        /**
5444         * Stores whether an user has consented to have apps verified through PAM.
5445         * The value is boolean (1 or 0).
5446         *
5447         * @hide
5448         */
5449        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5450            "package_verifier_user_consent";
5451
5452        /**
5453         * The {@link ComponentName} string of the selected spell checker service which is
5454         * one of the services managed by the text service manager.
5455         *
5456         * @hide
5457         */
5458        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5459
5460        /**
5461         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5462         * service which is one of the services managed by the text service manager.
5463         *
5464         * @hide
5465         */
5466        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5467                "selected_spell_checker_subtype";
5468
5469        /**
5470         * The {@link ComponentName} string whether spell checker is enabled or not.
5471         *
5472         * @hide
5473         */
5474        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5475
5476        /**
5477         * What happens when the user presses the Power button while in-call
5478         * and the screen is on.<br/>
5479         * <b>Values:</b><br/>
5480         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5481         * 2 - The Power button hangs up the current call.<br/>
5482         *
5483         * @hide
5484         */
5485        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5486
5487        /**
5488         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5489         * @hide
5490         */
5491        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5492
5493        /**
5494         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5495         * @hide
5496         */
5497        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5498
5499        /**
5500         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5501         * @hide
5502         */
5503        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5504                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5505
5506        /**
5507         * Whether the device should wake when the wake gesture sensor detects motion.
5508         * @hide
5509         */
5510        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5511
5512        /**
5513         * Whether the device should doze if configured.
5514         * @hide
5515         */
5516        public static final String DOZE_ENABLED = "doze_enabled";
5517
5518        /**
5519         * The current night mode that has been selected by the user.  Owned
5520         * and controlled by UiModeManagerService.  Constants are as per
5521         * UiModeManager.
5522         * @hide
5523         */
5524        public static final String UI_NIGHT_MODE = "ui_night_mode";
5525
5526        /**
5527         * Whether screensavers are enabled.
5528         * @hide
5529         */
5530        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5531
5532        /**
5533         * The user's chosen screensaver components.
5534         *
5535         * These will be launched by the PhoneWindowManager after a timeout when not on
5536         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5537         * @hide
5538         */
5539        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5540
5541        /**
5542         * If screensavers are enabled, whether the screensaver should be automatically launched
5543         * when the device is inserted into a (desk) dock.
5544         * @hide
5545         */
5546        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5547
5548        /**
5549         * If screensavers are enabled, whether the screensaver should be automatically launched
5550         * when the screen times out when not on battery.
5551         * @hide
5552         */
5553        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5554
5555        /**
5556         * If screensavers are enabled, the default screensaver component.
5557         * @hide
5558         */
5559        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5560
5561        /**
5562         * The default NFC payment component
5563         * @hide
5564         */
5565        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5566
5567        /**
5568         * Whether NFC payment is handled by the foreground application or a default.
5569         * @hide
5570         */
5571        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5572
5573        /**
5574         * Specifies the package name currently configured to be the primary sms application
5575         * @hide
5576         */
5577        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5578
5579        /**
5580         * Specifies the package name currently configured to be the default dialer application
5581         * @hide
5582         */
5583        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5584
5585        /**
5586         * Specifies the package name currently configured to be the emergency assistance application
5587         *
5588         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5589         *
5590         * @hide
5591         */
5592        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5593
5594        /**
5595         * Specifies whether the current app context on scren (assist data) will be sent to the
5596         * assist application (active voice interaction service).
5597         *
5598         * @hide
5599         */
5600        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5601
5602        /**
5603         * Specifies whether a screenshot of the screen contents will be sent to the assist
5604         * application (active voice interaction service).
5605         *
5606         * @hide
5607         */
5608        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5609
5610        /**
5611         * Names of the service components that the current user has explicitly allowed to
5612         * see all of the user's notifications, separated by ':'.
5613         *
5614         * @hide
5615         */
5616        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5617
5618        /**
5619         * Names of the packages that the current user has explicitly allowed to
5620         * manage notification policy configuration, separated by ':'.
5621         *
5622         * @hide
5623         */
5624        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5625                "enabled_notification_policy_access_packages";
5626
5627        /**
5628         * @hide
5629         */
5630        public static final String ENABLED_CONDITION_PROVIDERS = "enabled_condition_providers";
5631
5632        /** @hide */
5633        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5634
5635        /** @hide */
5636        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5637                = "volume_controller_service_component";
5638
5639        /** @hide */
5640        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5641
5642        /**
5643         * This is the query URI for finding a print service to install.
5644         *
5645         * @hide
5646         */
5647        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5648
5649        /**
5650         * This is the query URI for finding a NFC payment service to install.
5651         *
5652         * @hide
5653         */
5654        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5655
5656        /**
5657         * If enabled, apps should try to skip any introductory hints on first launch. This might
5658         * apply to users that are already familiar with the environment or temporary users.
5659         * <p>
5660         * Type : int (0 to show hints, 1 to skip showing hints)
5661         */
5662        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5663
5664        /**
5665         * Persisted playback time after a user confirmation of an unsafe volume level.
5666         *
5667         * @hide
5668         */
5669        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5670
5671        /**
5672         * This preference enables notification display on the lockscreen.
5673         * @hide
5674         */
5675        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5676                "lock_screen_show_notifications";
5677
5678        /**
5679         * List of TV inputs that are currently hidden. This is a string
5680         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5681         * {@link android.net.Uri#encode(String)} and separated by ':'.
5682         * @hide
5683         */
5684        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5685
5686        /**
5687         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5688         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5689         * and separated by ','. Each pair is separated by ':'.
5690         * @hide
5691         */
5692        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5693
5694        /**
5695         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5696         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5697         * and 0 means automatic routing is enabled.
5698         *
5699         * @hide
5700         */
5701        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5702                "usb_audio_automatic_routing_disabled";
5703
5704        /**
5705         * The timeout in milliseconds before the device fully goes to sleep after
5706         * a period of inactivity.  This value sets an upper bound on how long the device
5707         * will stay awake or dreaming without user activity.  It should generally
5708         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5709         * will sleep before it ever has a chance to dream.
5710         * <p>
5711         * Use -1 to disable this timeout.
5712         * </p>
5713         *
5714         * @hide
5715         */
5716        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5717
5718        /**
5719         * Controls whether double tap to wake is enabled.
5720         * @hide
5721         */
5722        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5723
5724        /**
5725         * The current assistant component. It could be a voice interaction service,
5726         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5727         * handling.
5728         *
5729         * @hide
5730         */
5731        public static final String ASSISTANT = "assistant";
5732
5733        /**
5734         * Whether the camera launch gesture should be disabled.
5735         *
5736         * @hide
5737         */
5738        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5739
5740        /**
5741         * Whether the camera launch gesture to double tap the power button when the screen is off
5742         * should be disabled.
5743         *
5744         * @hide
5745         */
5746        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5747                "camera_double_tap_power_gesture_disabled";
5748
5749        /**
5750         * This are the settings to be backed up.
5751         *
5752         * NOTE: Settings are backed up and restored in the order they appear
5753         *       in this array. If you have one setting depending on another,
5754         *       make sure that they are ordered appropriately.
5755         *
5756         * @hide
5757         */
5758        public static final String[] SETTINGS_TO_BACKUP = {
5759            BUGREPORT_IN_POWER_MENU,                            // moved to global
5760            ALLOW_MOCK_LOCATION,
5761            PARENTAL_CONTROL_ENABLED,
5762            PARENTAL_CONTROL_REDIRECT_URL,
5763            USB_MASS_STORAGE_ENABLED,                           // moved to global
5764            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5765            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5766            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5767            ACCESSIBILITY_SCRIPT_INJECTION,
5768            BACKUP_AUTO_RESTORE,
5769            ENABLED_ACCESSIBILITY_SERVICES,
5770            ENABLED_NOTIFICATION_LISTENERS,
5771            ENABLED_INPUT_METHODS,
5772            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5773            TOUCH_EXPLORATION_ENABLED,
5774            ACCESSIBILITY_ENABLED,
5775            ACCESSIBILITY_SPEAK_PASSWORD,
5776            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5777            ACCESSIBILITY_CAPTIONING_ENABLED,
5778            ACCESSIBILITY_CAPTIONING_LOCALE,
5779            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5780            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5781            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5782            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5783            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5784            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5785            TTS_USE_DEFAULTS,
5786            TTS_DEFAULT_RATE,
5787            TTS_DEFAULT_PITCH,
5788            TTS_DEFAULT_SYNTH,
5789            TTS_DEFAULT_LANG,
5790            TTS_DEFAULT_COUNTRY,
5791            TTS_ENABLED_PLUGINS,
5792            TTS_DEFAULT_LOCALE,
5793            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5794            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5795            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5796            SELECTED_SPELL_CHECKER,
5797            SELECTED_SPELL_CHECKER_SUBTYPE,
5798            SPELL_CHECKER_ENABLED,
5799            MOUNT_PLAY_NOTIFICATION_SND,
5800            MOUNT_UMS_AUTOSTART,
5801            MOUNT_UMS_PROMPT,
5802            MOUNT_UMS_NOTIFY_ENABLED,
5803            UI_NIGHT_MODE,
5804            SLEEP_TIMEOUT,
5805            DOUBLE_TAP_TO_WAKE,
5806            CAMERA_GESTURE_DISABLED,
5807            ACCESSIBILITY_AUTOCLICK_ENABLED,
5808            ACCESSIBILITY_AUTOCLICK_DELAY
5809        };
5810
5811        /**
5812         * These entries are considered common between the personal and the managed profile,
5813         * since the managed profile doesn't get to change them.
5814         */
5815        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5816
5817        static {
5818            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5819            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5820            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5821            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5822            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5823            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5824            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5825            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5826            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5827            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5828            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5829            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5830        }
5831
5832        /** @hide */
5833        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5834            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5835        }
5836
5837        /**
5838         * Helper method for determining if a location provider is enabled.
5839         *
5840         * @param cr the content resolver to use
5841         * @param provider the location provider to query
5842         * @return true if the provider is enabled
5843         *
5844         * @deprecated use {@link #LOCATION_MODE} or
5845         *             {@link LocationManager#isProviderEnabled(String)}
5846         */
5847        @Deprecated
5848        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5849            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5850        }
5851
5852        /**
5853         * Helper method for determining if a location provider is enabled.
5854         * @param cr the content resolver to use
5855         * @param provider the location provider to query
5856         * @param userId the userId to query
5857         * @return true if the provider is enabled
5858         * @deprecated use {@link #LOCATION_MODE} or
5859         *             {@link LocationManager#isProviderEnabled(String)}
5860         * @hide
5861         */
5862        @Deprecated
5863        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5864            String allowedProviders = Settings.Secure.getStringForUser(cr,
5865                    LOCATION_PROVIDERS_ALLOWED, userId);
5866            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5867        }
5868
5869        /**
5870         * Thread-safe method for enabling or disabling a single location provider.
5871         * @param cr the content resolver to use
5872         * @param provider the location provider to enable or disable
5873         * @param enabled true if the provider should be enabled
5874         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5875         */
5876        @Deprecated
5877        public static final void setLocationProviderEnabled(ContentResolver cr,
5878                String provider, boolean enabled) {
5879            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5880        }
5881
5882        /**
5883         * Thread-safe method for enabling or disabling a single location provider.
5884         *
5885         * @param cr the content resolver to use
5886         * @param provider the location provider to enable or disable
5887         * @param enabled true if the provider should be enabled
5888         * @param userId the userId for which to enable/disable providers
5889         * @return true if the value was set, false on database errors
5890         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5891         *             {@link #LOCATION_MODE}
5892         * @hide
5893         */
5894        @Deprecated
5895        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5896                String provider, boolean enabled, int userId) {
5897            synchronized (mLocationSettingsLock) {
5898                // to ensure thread safety, we write the provider name with a '+' or '-'
5899                // and let the SettingsProvider handle it rather than reading and modifying
5900                // the list of enabled providers.
5901                if (enabled) {
5902                    provider = "+" + provider;
5903                } else {
5904                    provider = "-" + provider;
5905                }
5906                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5907                        userId);
5908            }
5909        }
5910
5911        /**
5912         * Thread-safe method for setting the location mode to one of
5913         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5914         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5915         *
5916         * @param cr the content resolver to use
5917         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
5918         * @param userId the userId for which to change mode
5919         * @return true if the value was set, false on database errors
5920         *
5921         * @throws IllegalArgumentException if mode is not one of the supported values
5922         */
5923        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
5924                int userId) {
5925            synchronized (mLocationSettingsLock) {
5926                boolean gps = false;
5927                boolean network = false;
5928                switch (mode) {
5929                    case LOCATION_MODE_OFF:
5930                        break;
5931                    case LOCATION_MODE_SENSORS_ONLY:
5932                        gps = true;
5933                        break;
5934                    case LOCATION_MODE_BATTERY_SAVING:
5935                        network = true;
5936                        break;
5937                    case LOCATION_MODE_HIGH_ACCURACY:
5938                        gps = true;
5939                        network = true;
5940                        break;
5941                    default:
5942                        throw new IllegalArgumentException("Invalid location mode: " + mode);
5943                }
5944                // Note it's important that we set the NLP mode first. The Google implementation
5945                // of NLP clears its NLP consent setting any time it receives a
5946                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
5947                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
5948                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
5949                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
5950                // and 3) the receiver happened to complete before we enabled NLP, then the Google
5951                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
5952                // dialog. Then the people who wrote the setup wizard would be sad.
5953                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5954                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
5955                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5956                        cr, LocationManager.GPS_PROVIDER, gps, userId);
5957                return gpsSuccess && nlpSuccess;
5958            }
5959        }
5960
5961        /**
5962         * Thread-safe method for reading the location mode, returns one of
5963         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5964         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5965         *
5966         * @param cr the content resolver to use
5967         * @param userId the userId for which to read the mode
5968         * @return the location mode
5969         */
5970        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
5971            synchronized (mLocationSettingsLock) {
5972                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5973                        cr, LocationManager.GPS_PROVIDER, userId);
5974                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5975                        cr, LocationManager.NETWORK_PROVIDER, userId);
5976                if (gpsEnabled && networkEnabled) {
5977                    return LOCATION_MODE_HIGH_ACCURACY;
5978                } else if (gpsEnabled) {
5979                    return LOCATION_MODE_SENSORS_ONLY;
5980                } else if (networkEnabled) {
5981                    return LOCATION_MODE_BATTERY_SAVING;
5982                } else {
5983                    return LOCATION_MODE_OFF;
5984                }
5985            }
5986        }
5987    }
5988
5989    /**
5990     * Global system settings, containing preferences that always apply identically
5991     * to all defined users.  Applications can read these but are not allowed to write;
5992     * like the "Secure" settings, these are for preferences that the user must
5993     * explicitly modify through the system UI or specialized APIs for those values.
5994     */
5995    public static final class Global extends NameValueTable {
5996        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
5997
5998        /**
5999         * The content:// style URL for global secure settings items.  Not public.
6000         */
6001        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6002
6003        /**
6004         * Whether users are allowed to add more users or guest from lockscreen.
6005         * <p>
6006         * Type: int
6007         * @hide
6008         */
6009        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6010
6011        /**
6012         * Setting whether the global gesture for enabling accessibility is enabled.
6013         * If this gesture is enabled the user will be able to perfrom it to enable
6014         * the accessibility state without visiting the settings app.
6015         * @hide
6016         */
6017        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6018                "enable_accessibility_global_gesture_enabled";
6019
6020        /**
6021         * Whether Airplane Mode is on.
6022         */
6023        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6024
6025        /**
6026         * Whether Theater Mode is on.
6027         * {@hide}
6028         */
6029        @SystemApi
6030        public static final String THEATER_MODE_ON = "theater_mode_on";
6031
6032        /**
6033         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6034         */
6035        public static final String RADIO_BLUETOOTH = "bluetooth";
6036
6037        /**
6038         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6039         */
6040        public static final String RADIO_WIFI = "wifi";
6041
6042        /**
6043         * {@hide}
6044         */
6045        public static final String RADIO_WIMAX = "wimax";
6046        /**
6047         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6048         */
6049        public static final String RADIO_CELL = "cell";
6050
6051        /**
6052         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6053         */
6054        public static final String RADIO_NFC = "nfc";
6055
6056        /**
6057         * A comma separated list of radios that need to be disabled when airplane mode
6058         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6059         * included in the comma separated list.
6060         */
6061        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6062
6063        /**
6064         * A comma separated list of radios that should to be disabled when airplane mode
6065         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6066         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6067         * will be turned off when entering airplane mode, but the user will be able to reenable
6068         * Wifi in the Settings app.
6069         *
6070         * {@hide}
6071         */
6072        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6073
6074        /**
6075         * The policy for deciding when Wi-Fi should go to sleep (which will in
6076         * turn switch to using the mobile data as an Internet connection).
6077         * <p>
6078         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6079         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6080         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6081         */
6082        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6083
6084        /**
6085         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6086         * policy, which is to sleep shortly after the turning off
6087         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6088         */
6089        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6090
6091        /**
6092         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6093         * the device is on battery, and never go to sleep when the device is
6094         * plugged in.
6095         */
6096        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6097
6098        /**
6099         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6100         */
6101        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6102
6103        /**
6104         * Value to specify if the user prefers the date, time and time zone
6105         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6106         */
6107        public static final String AUTO_TIME = "auto_time";
6108
6109        /**
6110         * Value to specify if the user prefers the time zone
6111         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6112         */
6113        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6114
6115        /**
6116         * URI for the car dock "in" event sound.
6117         * @hide
6118         */
6119        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6120
6121        /**
6122         * URI for the car dock "out" event sound.
6123         * @hide
6124         */
6125        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6126
6127        /**
6128         * URI for the desk dock "in" event sound.
6129         * @hide
6130         */
6131        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6132
6133        /**
6134         * URI for the desk dock "out" event sound.
6135         * @hide
6136         */
6137        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6138
6139        /**
6140         * Whether to play a sound for dock events.
6141         * @hide
6142         */
6143        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6144
6145        /**
6146         * URI for the "device locked" (keyguard shown) sound.
6147         * @hide
6148         */
6149        public static final String LOCK_SOUND = "lock_sound";
6150
6151        /**
6152         * URI for the "device unlocked" sound.
6153         * @hide
6154         */
6155        public static final String UNLOCK_SOUND = "unlock_sound";
6156
6157        /**
6158         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6159         * state without unlocking.
6160         * @hide
6161         */
6162        public static final String TRUSTED_SOUND = "trusted_sound";
6163
6164        /**
6165         * URI for the low battery sound file.
6166         * @hide
6167         */
6168        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6169
6170        /**
6171         * Whether to play a sound for low-battery alerts.
6172         * @hide
6173         */
6174        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6175
6176        /**
6177         * URI for the "wireless charging started" sound.
6178         * @hide
6179         */
6180        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6181                "wireless_charging_started_sound";
6182
6183        /**
6184         * Whether to play a sound for charging events.
6185         * @hide
6186         */
6187        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6188
6189        /**
6190         * Whether we keep the device on while the device is plugged in.
6191         * Supported values are:
6192         * <ul>
6193         * <li>{@code 0} to never stay on while plugged in</li>
6194         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6195         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6196         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6197         * </ul>
6198         * These values can be OR-ed together.
6199         */
6200        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6201
6202        /**
6203         * When the user has enable the option to have a "bug report" command
6204         * in the power menu.
6205         * @hide
6206         */
6207        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6208
6209        /**
6210         * Whether ADB is enabled.
6211         */
6212        public static final String ADB_ENABLED = "adb_enabled";
6213
6214        /**
6215         * Whether Views are allowed to save their attribute data.
6216         * @hide
6217         */
6218        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6219
6220        /**
6221         * Whether assisted GPS should be enabled or not.
6222         * @hide
6223         */
6224        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6225
6226        /**
6227         * Whether bluetooth is enabled/disabled
6228         * 0=disabled. 1=enabled.
6229         */
6230        public static final String BLUETOOTH_ON = "bluetooth_on";
6231
6232        /**
6233         * CDMA Cell Broadcast SMS
6234         *                            0 = CDMA Cell Broadcast SMS disabled
6235         *                            1 = CDMA Cell Broadcast SMS enabled
6236         * @hide
6237         */
6238        public static final String CDMA_CELL_BROADCAST_SMS =
6239                "cdma_cell_broadcast_sms";
6240
6241        /**
6242         * The CDMA roaming mode 0 = Home Networks, CDMA default
6243         *                       1 = Roaming on Affiliated networks
6244         *                       2 = Roaming on any networks
6245         * @hide
6246         */
6247        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6248
6249        /**
6250         * The CDMA subscription mode 0 = RUIM/SIM (default)
6251         *                                1 = NV
6252         * @hide
6253         */
6254        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6255
6256        /** Inactivity timeout to track mobile data activity.
6257        *
6258        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6259        * infer the data activity of mobile network. After a period of no activity on mobile
6260        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6261        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6262        * subsequent activity on mobile networks triggers the firing of {@code
6263        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6264        *
6265        * Network activity refers to transmitting or receiving data on the network interfaces.
6266        *
6267        * Tracking is disabled if set to zero or negative value.
6268        *
6269        * @hide
6270        */
6271       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6272
6273       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6274        * but for Wifi network.
6275        * @hide
6276        */
6277       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6278
6279       /**
6280        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6281        */
6282       public static final String DATA_ROAMING = "data_roaming";
6283
6284       /**
6285        * The value passed to a Mobile DataConnection via bringUp which defines the
6286        * number of retries to preform when setting up the initial connection. The default
6287        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6288        * @hide
6289        */
6290       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6291
6292       /**
6293        * Whether any package can be on external storage. When this is true, any
6294        * package, regardless of manifest values, is a candidate for installing
6295        * or moving onto external storage. (0 = false, 1 = true)
6296        * @hide
6297        */
6298       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6299
6300       /**
6301        * Whether user has enabled development settings.
6302        */
6303       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6304
6305       /**
6306        * Whether the device has been provisioned (0 = false, 1 = true)
6307        */
6308       public static final String DEVICE_PROVISIONED = "device_provisioned";
6309
6310       /**
6311        * The saved value for WindowManagerService.setForcedDisplayDensity().
6312        * One integer in dpi.  If unset, then use the real display density.
6313        * @hide
6314        */
6315       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6316
6317       /**
6318        * The saved value for WindowManagerService.setForcedDisplaySize().
6319        * Two integers separated by a comma.  If unset, then use the real display size.
6320        * @hide
6321        */
6322       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6323
6324       /**
6325        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6326        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6327        * @hide
6328        */
6329       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6330
6331       /**
6332        * The maximum size, in bytes, of a download that the download manager will transfer over
6333        * a non-wifi connection.
6334        * @hide
6335        */
6336       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6337               "download_manager_max_bytes_over_mobile";
6338
6339       /**
6340        * The recommended maximum size, in bytes, of a download that the download manager should
6341        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6342        * have the option to start the download over the mobile connection anyway.
6343        * @hide
6344        */
6345       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6346               "download_manager_recommended_max_bytes_over_mobile";
6347
6348       /**
6349        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6350        */
6351       @Deprecated
6352       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6353
6354       /**
6355        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6356        * sent or processed. (0 = false, 1 = true)
6357        * @hide
6358        */
6359       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6360
6361       /**
6362        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6363        * and the output is redirected to AV Receiver connected via
6364        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6365        * @hide
6366        */
6367       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6368
6369       /**
6370        * Whether TV will automatically turn on upon reception of the CEC command
6371        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6372        * @hide
6373        */
6374       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6375               "hdmi_control_auto_wakeup_enabled";
6376
6377       /**
6378        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6379        * (0 = false, 1 = true)
6380        * @hide
6381        */
6382       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6383               "hdmi_control_auto_device_off_enabled";
6384
6385       /**
6386        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6387        * client.
6388        * (0 = false, 1 = true)
6389        * @hide
6390        */
6391       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6392
6393       /**
6394        * Whether TV will switch to MHL port when a mobile device is plugged in.
6395        * (0 = false, 1 = true)
6396        * @hide
6397        */
6398       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6399
6400       /**
6401        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6402        * @hide
6403        */
6404       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6405
6406       /**
6407        * Whether mobile data connections are allowed by the user.  See
6408        * ConnectivityManager for more info.
6409        * @hide
6410        */
6411       public static final String MOBILE_DATA = "mobile_data";
6412
6413       /**
6414        * Whether the mobile data connection should remain active even when higher
6415        * priority networks like WiFi are active, to help make network switching faster.
6416        *
6417        * See ConnectivityService for more info.
6418        *
6419        * (0 = disabled, 1 = enabled)
6420        * @hide
6421        */
6422       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6423
6424       /** {@hide} */
6425       public static final String NETSTATS_ENABLED = "netstats_enabled";
6426       /** {@hide} */
6427       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6428       /** {@hide} */
6429       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6430       /** {@hide} */
6431       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6432       /** {@hide} */
6433       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6434
6435       /** {@hide} */
6436       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6437       /** {@hide} */
6438       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6439       /** {@hide} */
6440       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6441       /** {@hide} */
6442       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6443
6444       /** {@hide} */
6445       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6446       /** {@hide} */
6447       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6448       /** {@hide} */
6449       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6450       /** {@hide} */
6451       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6452
6453       /** {@hide} */
6454       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6455       /** {@hide} */
6456       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6457       /** {@hide} */
6458       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6459       /** {@hide} */
6460       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6461
6462       /**
6463        * User preference for which network(s) should be used. Only the
6464        * connectivity service should touch this.
6465        */
6466       public static final String NETWORK_PREFERENCE = "network_preference";
6467
6468       /**
6469        * Which package name to use for network scoring. If null, or if the package is not a valid
6470        * scorer app, external network scores will neither be requested nor accepted.
6471        * @hide
6472        */
6473       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6474
6475       /**
6476        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6477        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6478        * exceeded.
6479        * @hide
6480        */
6481       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6482
6483       /**
6484        * The length of time in milli-seconds that automatic small adjustments to
6485        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6486        * @hide
6487        */
6488       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6489
6490       /** Preferred NTP server. {@hide} */
6491       public static final String NTP_SERVER = "ntp_server";
6492       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6493       public static final String NTP_TIMEOUT = "ntp_timeout";
6494
6495       /** {@hide} */
6496       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6497
6498       /**
6499        * Whether the package manager should send package verification broadcasts for verifiers to
6500        * review apps prior to installation.
6501        * 1 = request apps to be verified prior to installation, if a verifier exists.
6502        * 0 = do not verify apps before installation
6503        * @hide
6504        */
6505       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6506
6507       /** Timeout for package verification.
6508        * @hide */
6509       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6510
6511       /** Default response code for package verification.
6512        * @hide */
6513       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6514
6515       /**
6516        * Show package verification setting in the Settings app.
6517        * 1 = show (default)
6518        * 0 = hide
6519        * @hide
6520        */
6521       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6522
6523       /**
6524        * Run package verification on apps installed through ADB/ADT/USB
6525        * 1 = perform package verification on ADB installs (default)
6526        * 0 = bypass package verification on ADB installs
6527        * @hide
6528        */
6529       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6530
6531       /**
6532        * Time since last fstrim (milliseconds) after which we force one to happen
6533        * during device startup.  If unset, the default is 3 days.
6534        * @hide
6535        */
6536       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6537
6538       /**
6539        * The interval in milliseconds at which to check packet counts on the
6540        * mobile data interface when screen is on, to detect possible data
6541        * connection problems.
6542        * @hide
6543        */
6544       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6545               "pdp_watchdog_poll_interval_ms";
6546
6547       /**
6548        * The interval in milliseconds at which to check packet counts on the
6549        * mobile data interface when screen is off, to detect possible data
6550        * connection problems.
6551        * @hide
6552        */
6553       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6554               "pdp_watchdog_long_poll_interval_ms";
6555
6556       /**
6557        * The interval in milliseconds at which to check packet counts on the
6558        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6559        * outgoing packets has been reached without incoming packets.
6560        * @hide
6561        */
6562       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6563               "pdp_watchdog_error_poll_interval_ms";
6564
6565       /**
6566        * The number of outgoing packets sent without seeing an incoming packet
6567        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6568        * device is logged to the event log
6569        * @hide
6570        */
6571       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6572               "pdp_watchdog_trigger_packet_count";
6573
6574       /**
6575        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6576        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6577        * attempting data connection recovery.
6578        * @hide
6579        */
6580       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6581               "pdp_watchdog_error_poll_count";
6582
6583       /**
6584        * The number of failed PDP reset attempts before moving to something more
6585        * drastic: re-registering to the network.
6586        * @hide
6587        */
6588       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6589               "pdp_watchdog_max_pdp_reset_fail_count";
6590
6591       /**
6592        * A positive value indicates how often the SamplingProfiler
6593        * should take snapshots. Zero value means SamplingProfiler
6594        * is disabled.
6595        *
6596        * @hide
6597        */
6598       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6599
6600       /**
6601        * URL to open browser on to allow user to manage a prepay account
6602        * @hide
6603        */
6604       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6605               "setup_prepaid_data_service_url";
6606
6607       /**
6608        * URL to attempt a GET on to see if this is a prepay device
6609        * @hide
6610        */
6611       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6612               "setup_prepaid_detection_target_url";
6613
6614       /**
6615        * Host to check for a redirect to after an attempt to GET
6616        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6617        * this is a prepaid device with zero balance.)
6618        * @hide
6619        */
6620       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6621               "setup_prepaid_detection_redir_host";
6622
6623       /**
6624        * The interval in milliseconds at which to check the number of SMS sent out without asking
6625        * for use permit, to limit the un-authorized SMS usage.
6626        *
6627        * @hide
6628        */
6629       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6630               "sms_outgoing_check_interval_ms";
6631
6632       /**
6633        * The number of outgoing SMS sent without asking for user permit (of {@link
6634        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6635        *
6636        * @hide
6637        */
6638       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6639               "sms_outgoing_check_max_count";
6640
6641       /**
6642        * Used to disable SMS short code confirmation - defaults to true.
6643        * True indcates we will do the check, etc.  Set to false to disable.
6644        * @see com.android.internal.telephony.SmsUsageMonitor
6645        * @hide
6646        */
6647       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6648
6649        /**
6650         * Used to select which country we use to determine premium sms codes.
6651         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6652         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6653         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6654         * @hide
6655         */
6656        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6657
6658       /**
6659        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6660        * @hide
6661        */
6662       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6663
6664       /**
6665        * Used to disable Tethering on a device - defaults to true
6666        * @hide
6667        */
6668       public static final String TETHER_SUPPORTED = "tether_supported";
6669
6670       /**
6671        * Used to require DUN APN on the device or not - defaults to a build config value
6672        * which defaults to false
6673        * @hide
6674        */
6675       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6676
6677       /**
6678        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6679        * corresponding build config values are set it will override the APN DB
6680        * values.
6681        * Consists of a comma seperated list of strings:
6682        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6683        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6684        * @hide
6685        */
6686       public static final String TETHER_DUN_APN = "tether_dun_apn";
6687
6688       /**
6689        * USB Mass Storage Enabled
6690        */
6691       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6692
6693       /**
6694        * If this setting is set (to anything), then all references
6695        * to Gmail on the device must change to Google Mail.
6696        */
6697       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6698
6699        /**
6700         * Webview Data reduction proxy key.
6701         * @hide
6702         */
6703        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6704                "webview_data_reduction_proxy_key";
6705
6706       /**
6707        * Whether Wifi display is enabled/disabled
6708        * 0=disabled. 1=enabled.
6709        * @hide
6710        */
6711       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6712
6713       /**
6714        * Whether Wifi display certification mode is enabled/disabled
6715        * 0=disabled. 1=enabled.
6716        * @hide
6717        */
6718       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6719               "wifi_display_certification_on";
6720
6721       /**
6722        * WPS Configuration method used by Wifi display, this setting only
6723        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6724        *
6725        * Possible values are:
6726        *
6727        * WpsInfo.INVALID: use default WPS method chosen by framework
6728        * WpsInfo.PBC    : use Push button
6729        * WpsInfo.KEYPAD : use Keypad
6730        * WpsInfo.DISPLAY: use Display
6731        * @hide
6732        */
6733       public static final String WIFI_DISPLAY_WPS_CONFIG =
6734           "wifi_display_wps_config";
6735
6736       /**
6737        * Whether to notify the user of open networks.
6738        * <p>
6739        * If not connected and the scan results have an open network, we will
6740        * put this notification up. If we attempt to connect to a network or
6741        * the open network(s) disappear, we remove the notification. When we
6742        * show the notification, we will not show it again for
6743        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6744        */
6745       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6746               "wifi_networks_available_notification_on";
6747       /**
6748        * {@hide}
6749        */
6750       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6751               "wimax_networks_available_notification_on";
6752
6753       /**
6754        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6755        * Connecting to a network will reset the timer.
6756        */
6757       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6758               "wifi_networks_available_repeat_delay";
6759
6760       /**
6761        * 802.11 country code in ISO 3166 format
6762        * @hide
6763        */
6764       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6765
6766       /**
6767        * The interval in milliseconds to issue wake up scans when wifi needs
6768        * to connect. This is necessary to connect to an access point when
6769        * device is on the move and the screen is off.
6770        * @hide
6771        */
6772       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6773               "wifi_framework_scan_interval_ms";
6774
6775       /**
6776        * The interval in milliseconds after which Wi-Fi is considered idle.
6777        * When idle, it is possible for the device to be switched from Wi-Fi to
6778        * the mobile data network.
6779        * @hide
6780        */
6781       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6782
6783       /**
6784        * When the number of open networks exceeds this number, the
6785        * least-recently-used excess networks will be removed.
6786        */
6787       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6788
6789       /**
6790        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6791        */
6792       public static final String WIFI_ON = "wifi_on";
6793
6794       /**
6795        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6796        * @hide
6797        */
6798       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6799                "wifi_scan_always_enabled";
6800
6801       /**
6802        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6803        * connectivity.
6804        * @hide
6805        */
6806       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6807               "ble_scan_always_enabled";
6808
6809       /**
6810        * Used to save the Wifi_ON state prior to tethering.
6811        * This state will be checked to restore Wifi after
6812        * the user turns off tethering.
6813        *
6814        * @hide
6815        */
6816       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6817
6818       /**
6819        * The interval in milliseconds to scan as used by the wifi supplicant
6820        * @hide
6821        */
6822       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6823               "wifi_supplicant_scan_interval_ms";
6824
6825        /**
6826         * whether frameworks handles wifi auto-join
6827         * @hide
6828         */
6829       public static final String WIFI_ENHANCED_AUTO_JOIN =
6830                "wifi_enhanced_auto_join";
6831
6832        /**
6833         * whether settings show RSSI
6834         * @hide
6835         */
6836        public static final String WIFI_NETWORK_SHOW_RSSI =
6837                "wifi_network_show_rssi";
6838
6839        /**
6840        * The interval in milliseconds to scan at supplicant when p2p is connected
6841        * @hide
6842        */
6843       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6844               "wifi_scan_interval_p2p_connected_ms";
6845
6846       /**
6847        * Whether the Wi-Fi watchdog is enabled.
6848        */
6849       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6850
6851       /**
6852        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6853        * the setting needs to be set to 0 to disable it.
6854        * @hide
6855        */
6856       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6857               "wifi_watchdog_poor_network_test_enabled";
6858
6859       /**
6860        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6861        * needs to be set to 0 to disable it.
6862        * @hide
6863        */
6864       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6865               "wifi_suspend_optimizations_enabled";
6866
6867       /**
6868        * The maximum number of times we will retry a connection to an access
6869        * point for which we have failed in acquiring an IP address from DHCP.
6870        * A value of N means that we will make N+1 connection attempts in all.
6871        */
6872       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
6873
6874       /**
6875        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
6876        * data connectivity to be established after a disconnect from Wi-Fi.
6877        */
6878       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
6879           "wifi_mobile_data_transition_wakelock_timeout_ms";
6880
6881       /**
6882        * This setting controls whether WiFi configurations created by a Device Owner app
6883        * should be locked down (that is, be editable or removable only by the Device Owner App,
6884        * not even by Settings app).
6885        * This setting takes integer values. Non-zero values mean DO created configurations
6886        * are locked down. Value of zero means they are not. Default value in the absence of
6887        * actual value to this setting is 0.
6888        */
6889       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
6890               "wifi_device_owner_configs_lockdown";
6891
6892       /**
6893        * The operational wifi frequency band
6894        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
6895        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
6896        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
6897        *
6898        * @hide
6899        */
6900       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
6901
6902       /**
6903        * The Wi-Fi peer-to-peer device name
6904        * @hide
6905        */
6906       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
6907
6908       /**
6909        * The min time between wifi disable and wifi enable
6910        * @hide
6911        */
6912       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
6913
6914       /**
6915        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
6916        * from an ephemeral network if there is no BSSID for that network with a non-null score that
6917        * has been seen in this time period.
6918        *
6919        * If this is less than or equal to zero, we use a more conservative behavior and only check
6920        * for a non-null score from the currently connected or target BSSID.
6921        * @hide
6922        */
6923       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
6924               "wifi_ephemeral_out_of_range_timeout_ms";
6925
6926       /**
6927        * The number of milliseconds to delay when checking for data stalls during
6928        * non-aggressive detection. (screen is turned off.)
6929        * @hide
6930        */
6931       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
6932               "data_stall_alarm_non_aggressive_delay_in_ms";
6933
6934       /**
6935        * The number of milliseconds to delay when checking for data stalls during
6936        * aggressive detection. (screen on or suspected data stall)
6937        * @hide
6938        */
6939       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
6940               "data_stall_alarm_aggressive_delay_in_ms";
6941
6942       /**
6943        * The number of milliseconds to allow the provisioning apn to remain active
6944        * @hide
6945        */
6946       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
6947               "provisioning_apn_alarm_delay_in_ms";
6948
6949       /**
6950        * The interval in milliseconds at which to check gprs registration
6951        * after the first registration mismatch of gprs and voice service,
6952        * to detect possible data network registration problems.
6953        *
6954        * @hide
6955        */
6956       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
6957               "gprs_register_check_period_ms";
6958
6959       /**
6960        * Nonzero causes Log.wtf() to crash.
6961        * @hide
6962        */
6963       public static final String WTF_IS_FATAL = "wtf_is_fatal";
6964
6965       /**
6966        * Ringer mode. This is used internally, changing this value will not
6967        * change the ringer mode. See AudioManager.
6968        */
6969       public static final String MODE_RINGER = "mode_ringer";
6970
6971       /**
6972        * Overlay display devices setting.
6973        * The associated value is a specially formatted string that describes the
6974        * size and density of simulated secondary display devices.
6975        * <p>
6976        * Format: {width}x{height}/{dpi};...
6977        * </p><p>
6978        * Example:
6979        * <ul>
6980        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
6981        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
6982        * at 1080p and the second at 720p.</li>
6983        * <li>If the value is empty, then no overlay display devices are created.</li>
6984        * </ul></p>
6985        *
6986        * @hide
6987        */
6988       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
6989
6990        /**
6991         * Threshold values for the duration and level of a discharge cycle,
6992         * under which we log discharge cycle info.
6993         *
6994         * @hide
6995         */
6996        public static final String
6997                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
6998
6999        /** @hide */
7000        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7001
7002        /**
7003         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7004         * intents on application crashes and ANRs. If this is disabled, the
7005         * crash/ANR dialog will never display the "Report" button.
7006         * <p>
7007         * Type: int (0 = disallow, 1 = allow)
7008         *
7009         * @hide
7010         */
7011        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7012
7013        /**
7014         * Maximum age of entries kept by {@link DropBoxManager}.
7015         *
7016         * @hide
7017         */
7018        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7019
7020        /**
7021         * Maximum number of entry files which {@link DropBoxManager} will keep
7022         * around.
7023         *
7024         * @hide
7025         */
7026        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7027
7028        /**
7029         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7030         * what.
7031         *
7032         * @hide
7033         */
7034        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7035
7036        /**
7037         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7038         * will use.
7039         *
7040         * @hide
7041         */
7042        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7043
7044        /**
7045         * Percent of total disk which {@link DropBoxManager} will never dip
7046         * into.
7047         *
7048         * @hide
7049         */
7050        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7051
7052        /**
7053         * Prefix for per-tag dropbox disable/enable settings.
7054         *
7055         * @hide
7056         */
7057        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7058
7059        /**
7060         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7061         * prefix of the dropbox tag of the report type. For example,
7062         * "logcat_for_system_server_anr" controls the lines of logcat captured
7063         * with system server ANR reports. 0 to disable.
7064         *
7065         * @hide
7066         */
7067        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7068
7069        /**
7070         * The interval in minutes after which the amount of free storage left
7071         * on the device is logged to the event log
7072         *
7073         * @hide
7074         */
7075        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7076
7077        /**
7078         * Threshold for the amount of change in disk free space required to
7079         * report the amount of free space. Used to prevent spamming the logs
7080         * when the disk free space isn't changing frequently.
7081         *
7082         * @hide
7083         */
7084        public static final String
7085                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7086
7087        /**
7088         * Minimum percentage of free storage on the device that is used to
7089         * determine if the device is running low on storage. The default is 10.
7090         * <p>
7091         * Say this value is set to 10, the device is considered running low on
7092         * storage if 90% or more of the device storage is filled up.
7093         *
7094         * @hide
7095         */
7096        public static final String
7097                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7098
7099        /**
7100         * Maximum byte size of the low storage threshold. This is to ensure
7101         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7102         * overly large threshold for large storage devices. Currently this must
7103         * be less than 2GB. This default is 500MB.
7104         *
7105         * @hide
7106         */
7107        public static final String
7108                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7109
7110        /**
7111         * Minimum bytes of free storage on the device before the data partition
7112         * is considered full. By default, 1 MB is reserved to avoid system-wide
7113         * SQLite disk full exceptions.
7114         *
7115         * @hide
7116         */
7117        public static final String
7118                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7119
7120        /**
7121         * The maximum reconnect delay for short network outages or when the
7122         * network is suspended due to phone use.
7123         *
7124         * @hide
7125         */
7126        public static final String
7127                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7128
7129        /**
7130         * The number of milliseconds to delay before sending out
7131         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7132         *
7133         * @hide
7134         */
7135        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7136
7137
7138        /**
7139         * Network sampling interval, in seconds. We'll generate link information
7140         * about bytes/packets sent and error rates based on data sampled in this interval
7141         *
7142         * @hide
7143         */
7144
7145        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7146                "connectivity_sampling_interval_in_seconds";
7147
7148        /**
7149         * The series of successively longer delays used in retrying to download PAC file.
7150         * Last delay is used between successful PAC downloads.
7151         *
7152         * @hide
7153         */
7154        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7155
7156        /**
7157         * Setting to turn off captive portal detection. Feature is enabled by
7158         * default and the setting needs to be set to 0 to disable it.
7159         *
7160         * @hide
7161         */
7162        public static final String
7163                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7164
7165        /**
7166         * The server used for captive portal detection upon a new conection. A
7167         * 204 response code from the server is used for validation.
7168         *
7169         * @hide
7170         */
7171        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7172
7173        /**
7174         * Whether network service discovery is enabled.
7175         *
7176         * @hide
7177         */
7178        public static final String NSD_ON = "nsd_on";
7179
7180        /**
7181         * Let user pick default install location.
7182         *
7183         * @hide
7184         */
7185        public static final String SET_INSTALL_LOCATION = "set_install_location";
7186
7187        /**
7188         * Default install location value.
7189         * 0 = auto, let system decide
7190         * 1 = internal
7191         * 2 = sdcard
7192         * @hide
7193         */
7194        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7195
7196        /**
7197         * ms during which to consume extra events related to Inet connection
7198         * condition after a transtion to fully-connected
7199         *
7200         * @hide
7201         */
7202        public static final String
7203                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7204
7205        /**
7206         * ms during which to consume extra events related to Inet connection
7207         * condtion after a transtion to partly-connected
7208         *
7209         * @hide
7210         */
7211        public static final String
7212                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7213
7214        /** {@hide} */
7215        public static final String
7216                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7217
7218        /**
7219         * Host name and port for global http proxy. Uses ':' seperator for
7220         * between host and port.
7221         */
7222        public static final String HTTP_PROXY = "http_proxy";
7223
7224        /**
7225         * Host name for global http proxy. Set via ConnectivityManager.
7226         *
7227         * @hide
7228         */
7229        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7230
7231        /**
7232         * Integer host port for global http proxy. Set via ConnectivityManager.
7233         *
7234         * @hide
7235         */
7236        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7237
7238        /**
7239         * Exclusion list for global proxy. This string contains a list of
7240         * comma-separated domains where the global proxy does not apply.
7241         * Domains should be listed in a comma- separated list. Example of
7242         * acceptable formats: ".domain1.com,my.domain2.com" Use
7243         * ConnectivityManager to set/get.
7244         *
7245         * @hide
7246         */
7247        public static final String
7248                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7249
7250        /**
7251         * The location PAC File for the proxy.
7252         * @hide
7253         */
7254        public static final String
7255                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7256
7257        /**
7258         * Enables the UI setting to allow the user to specify the global HTTP
7259         * proxy and associated exclusion list.
7260         *
7261         * @hide
7262         */
7263        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7264
7265        /**
7266         * Setting for default DNS in case nobody suggests one
7267         *
7268         * @hide
7269         */
7270        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7271
7272        /** {@hide} */
7273        public static final String
7274                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7275        /** {@hide} */
7276        public static final String
7277                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7278        /** {@hide} */
7279        public static final String
7280                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7281        /** {@hide} */
7282        public static final String
7283                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7284        /** {@hide} */
7285        public static final String
7286                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7287
7288        /**
7289         * Device Idle (Doze) specific settings.
7290         * This is encoded as a key=value list, separated by commas. Ex:
7291         *
7292         * "inactive_timeout=60000,sensing_timeout=400000"
7293         *
7294         * The following keys are supported:
7295         *
7296         * <pre>
7297         * inactive_to                      (long)
7298         * sensing_to                       (long)
7299         * motion_inactive_to               (long)
7300         * idle_after_inactive_to           (long)
7301         * idle_pending_to                  (long)
7302         * max_idle_pending_to              (long)
7303         * idle_pending_factor              (float)
7304         * idle_to                          (long)
7305         * max_idle_to                      (long)
7306         * idle_factor                      (float)
7307         * min_time_to_alarm                (long)
7308         * max_temp_app_whitelist_duration  (long)
7309         * </pre>
7310         *
7311         * <p>
7312         * Type: string
7313         * @hide
7314         * @see com.android.server.DeviceIdleController.Constants
7315         */
7316        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7317
7318        /**
7319         * App standby (app idle) specific settings.
7320         * This is encoded as a key=value list, separated by commas. Ex:
7321         *
7322         * "idle_duration=5000,parole_interval=4500"
7323         *
7324         * The following keys are supported:
7325         *
7326         * <pre>
7327         * idle_duration        (long)
7328         * wallclock_threshold  (long)
7329         * parole_interval      (long)
7330         * parole_duration      (long)
7331         * </pre>
7332         *
7333         * <p>
7334         * Type: string
7335         * @hide
7336         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7337         */
7338        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7339
7340        /**
7341         * Alarm manager specific settings.
7342         * This is encoded as a key=value list, separated by commas. Ex:
7343         *
7344         * "min_futurity=5000,allow_while_idle_short_time=4500"
7345         *
7346         * The following keys are supported:
7347         *
7348         * <pre>
7349         * min_futurity                         (long)
7350         * min_interval                         (long)
7351         * allow_while_idle_short_time          (long)
7352         * allow_while_idle_long_time           (long)
7353         * allow_while_idle_whitelist_duration  (long)
7354         * </pre>
7355         *
7356         * <p>
7357         * Type: string
7358         * @hide
7359         * @see com.android.server.AlarmManagerService.Constants
7360         */
7361        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7362
7363        /**
7364         * Get the key that retrieves a bluetooth headset's priority.
7365         * @hide
7366         */
7367        public static final String getBluetoothHeadsetPriorityKey(String address) {
7368            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7369        }
7370
7371        /**
7372         * Get the key that retrieves a bluetooth a2dp sink's priority.
7373         * @hide
7374         */
7375        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7376            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7377        }
7378
7379        /**
7380         * Get the key that retrieves a bluetooth Input Device's priority.
7381         * @hide
7382         */
7383        public static final String getBluetoothInputDevicePriorityKey(String address) {
7384            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7385        }
7386
7387        /**
7388         * Get the key that retrieves a bluetooth map priority.
7389         * @hide
7390         */
7391        public static final String getBluetoothMapPriorityKey(String address) {
7392            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7393        }
7394
7395        /**
7396         * Get the key that retrieves a bluetooth map priority.
7397         * @hide
7398         */
7399        public static final String getBluetoothSapPriorityKey(String address) {
7400            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7401        }
7402
7403        /**
7404         * Scaling factor for normal window animations. Setting to 0 will
7405         * disable window animations.
7406         */
7407        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7408
7409        /**
7410         * Scaling factor for activity transition animations. Setting to 0 will
7411         * disable window animations.
7412         */
7413        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7414
7415        /**
7416         * Scaling factor for Animator-based animations. This affects both the
7417         * start delay and duration of all such animations. Setting to 0 will
7418         * cause animations to end immediately. The default value is 1.
7419         */
7420        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7421
7422        /**
7423         * Scaling factor for normal window animations. Setting to 0 will
7424         * disable window animations.
7425         *
7426         * @hide
7427         */
7428        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7429
7430        /**
7431         * If 0, the compatibility mode is off for all applications.
7432         * If 1, older applications run under compatibility mode.
7433         * TODO: remove this settings before code freeze (bug/1907571)
7434         * @hide
7435         */
7436        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7437
7438        /**
7439         * CDMA only settings
7440         * Emergency Tone  0 = Off
7441         *                 1 = Alert
7442         *                 2 = Vibrate
7443         * @hide
7444         */
7445        public static final String EMERGENCY_TONE = "emergency_tone";
7446
7447        /**
7448         * CDMA only settings
7449         * Whether the auto retry is enabled. The value is
7450         * boolean (1 or 0).
7451         * @hide
7452         */
7453        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7454
7455        /**
7456         * See RIL_PreferredNetworkType in ril.h
7457         * @hide
7458         */
7459        public static final String PREFERRED_NETWORK_MODE =
7460                "preferred_network_mode";
7461
7462        /**
7463         * Name of an application package to be debugged.
7464         */
7465        public static final String DEBUG_APP = "debug_app";
7466
7467        /**
7468         * If 1, when launching DEBUG_APP it will wait for the debugger before
7469         * starting user code.  If 0, it will run normally.
7470         */
7471        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7472
7473        /**
7474         * Control whether the process CPU usage meter should be shown.
7475         */
7476        public static final String SHOW_PROCESSES = "show_processes";
7477
7478        /**
7479         * If 1 low power mode is enabled.
7480         * @hide
7481         */
7482        public static final String LOW_POWER_MODE = "low_power";
7483
7484        /**
7485         * Battery level [1-99] at which low power mode automatically turns on.
7486         * If 0, it will not automatically turn on.
7487         * @hide
7488         */
7489        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7490
7491         /**
7492         * If 1, the activity manager will aggressively finish activities and
7493         * processes as soon as they are no longer needed.  If 0, the normal
7494         * extended lifetime is used.
7495         */
7496        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7497
7498        /**
7499         * Use Dock audio output for media:
7500         *      0 = disabled
7501         *      1 = enabled
7502         * @hide
7503         */
7504        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7505
7506        /**
7507         * Persisted safe headphone volume management state by AudioService
7508         * @hide
7509         */
7510        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7511
7512        /**
7513         * URL for tzinfo (time zone) updates
7514         * @hide
7515         */
7516        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7517
7518        /**
7519         * URL for tzinfo (time zone) update metadata
7520         * @hide
7521         */
7522        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7523
7524        /**
7525         * URL for selinux (mandatory access control) updates
7526         * @hide
7527         */
7528        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7529
7530        /**
7531         * URL for selinux (mandatory access control) update metadata
7532         * @hide
7533         */
7534        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7535
7536        /**
7537         * URL for sms short code updates
7538         * @hide
7539         */
7540        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7541                "sms_short_codes_content_url";
7542
7543        /**
7544         * URL for sms short code update metadata
7545         * @hide
7546         */
7547        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7548                "sms_short_codes_metadata_url";
7549
7550        /**
7551         * URL for apn_db updates
7552         * @hide
7553         */
7554        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7555
7556        /**
7557         * URL for apn_db update metadata
7558         * @hide
7559         */
7560        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7561
7562        /**
7563         * URL for cert pinlist updates
7564         * @hide
7565         */
7566        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7567
7568        /**
7569         * URL for cert pinlist updates
7570         * @hide
7571         */
7572        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7573
7574        /**
7575         * URL for intent firewall updates
7576         * @hide
7577         */
7578        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7579                "intent_firewall_content_url";
7580
7581        /**
7582         * URL for intent firewall update metadata
7583         * @hide
7584         */
7585        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7586                "intent_firewall_metadata_url";
7587
7588        /**
7589         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7590         * @hide
7591         */
7592        public static final String SELINUX_STATUS = "selinux_status";
7593
7594        /**
7595         * Developer setting to force RTL layout.
7596         * @hide
7597         */
7598        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7599
7600        /**
7601         * Milliseconds after screen-off after which low battery sounds will be silenced.
7602         *
7603         * If zero, battery sounds will always play.
7604         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7605         *
7606         * @hide
7607         */
7608        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7609
7610        /**
7611         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7612         * the caller is done with this, they should call {@link ContentResolver#delete} to
7613         * clean up any value that they may have written.
7614         *
7615         * @hide
7616         */
7617        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7618
7619        /**
7620         * Defines global runtime overrides to window policy.
7621         *
7622         * See {@link com.android.server.policy.PolicyControl} for value format.
7623         *
7624         * @hide
7625         */
7626        public static final String POLICY_CONTROL = "policy_control";
7627
7628        /**
7629         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7630         * or ZEN_MODE_NO_INTERRUPTIONS.
7631         *
7632         * @hide
7633         */
7634        public static final String ZEN_MODE = "zen_mode";
7635
7636        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7637        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7638        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7639        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7640
7641        /** @hide */ public static String zenModeToString(int mode) {
7642            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7643            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7644            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7645            return "ZEN_MODE_OFF";
7646        }
7647
7648        /** @hide */ public static boolean isValidZenMode(int value) {
7649            switch (value) {
7650                case Global.ZEN_MODE_OFF:
7651                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7652                case Global.ZEN_MODE_ALARMS:
7653                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7654                    return true;
7655                default:
7656                    return false;
7657            }
7658        }
7659
7660        /**
7661         * Value of the ringer before entering zen mode.
7662         *
7663         * @hide
7664         */
7665        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7666
7667        /**
7668         * Opaque value, changes when persisted zen mode configuration changes.
7669         *
7670         * @hide
7671         */
7672        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7673
7674        /**
7675         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7676         *
7677         * @hide
7678         */
7679        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7680                "heads_up_notifications_enabled";
7681
7682        /** @hide */ public static final int HEADS_UP_OFF = 0;
7683        /** @hide */ public static final int HEADS_UP_ON = 1;
7684
7685        /**
7686         * The name of the device
7687         *
7688         * @hide
7689         */
7690        public static final String DEVICE_NAME = "device_name";
7691
7692        /**
7693         * Whether it should be possible to create a guest user on the device.
7694         * <p>
7695         * Type: int (0 for disabled, 1 for enabled)
7696         * @hide
7697         */
7698        public static final String GUEST_USER_ENABLED = "guest_user_enabled";
7699
7700        /**
7701         * Whether the NetworkScoringService has been first initialized.
7702         * <p>
7703         * Type: int (0 for false, 1 for true)
7704         * @hide
7705         */
7706        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7707
7708        /**
7709         * Whether the user wants to be prompted for password to decrypt the device on boot.
7710         * This only matters if the storage is encrypted.
7711         * <p>
7712         * Type: int (0 for false, 1 for true)
7713         * @hide
7714         */
7715        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7716
7717        /**
7718         * Whether the Volte/VT is enabled
7719         * <p>
7720         * Type: int (0 for false, 1 for true)
7721         * @hide
7722         */
7723        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7724
7725        /**
7726         * Whether WFC is enabled
7727         * <p>
7728         * Type: int (0 for false, 1 for true)
7729         *
7730         * @hide
7731         */
7732        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7733
7734        /**
7735         * WFC Mode.
7736         * <p>
7737         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7738         *
7739         * @hide
7740         */
7741        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7742
7743        /**
7744         * Whether WFC roaming is enabled
7745         * <p>
7746         * Type: int (0 for false, 1 for true)
7747         *
7748         * @hide
7749         */
7750        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7751
7752        /**
7753         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7754         * this via gservices, OMA-DM, carrier app, etc.
7755         * <p>
7756         * Type: int (0 for false, 1 for true)
7757         * @hide
7758         */
7759        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7760
7761        /**
7762         * Settings to backup. This is here so that it's in the same place as the settings
7763         * keys and easy to update.
7764         *
7765         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7766         * and Secure as well.  This is because those tables drive both backup and
7767         * restore, and restore needs to properly whitelist keys that used to live
7768         * in those namespaces.  The keys will only actually be backed up / restored
7769         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7770         *
7771         * NOTE: Settings are backed up and restored in the order they appear
7772         *       in this array. If you have one setting depending on another,
7773         *       make sure that they are ordered appropriately.
7774         *
7775         * @hide
7776         */
7777        public static final String[] SETTINGS_TO_BACKUP = {
7778            BUGREPORT_IN_POWER_MENU,
7779            STAY_ON_WHILE_PLUGGED_IN,
7780            AUTO_TIME,
7781            AUTO_TIME_ZONE,
7782            POWER_SOUNDS_ENABLED,
7783            DOCK_SOUNDS_ENABLED,
7784            USB_MASS_STORAGE_ENABLED,
7785            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7786            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7787            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7788            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7789            WIFI_NUM_OPEN_NETWORKS_KEPT,
7790            EMERGENCY_TONE,
7791            CALL_AUTO_RETRY,
7792            DOCK_AUDIO_MEDIA_ENABLED,
7793            LOW_POWER_MODE_TRIGGER_LEVEL
7794        };
7795
7796        // Populated lazily, guarded by class object:
7797        private static NameValueCache sNameValueCache = new NameValueCache(
7798                    SYS_PROP_SETTING_VERSION,
7799                    CONTENT_URI,
7800                    CALL_METHOD_GET_GLOBAL,
7801                    CALL_METHOD_PUT_GLOBAL);
7802
7803        // Certain settings have been moved from global to the per-user secure namespace
7804        private static final HashSet<String> MOVED_TO_SECURE;
7805        static {
7806            MOVED_TO_SECURE = new HashSet<String>(1);
7807            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7808        }
7809
7810        /** @hide */
7811        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7812            outKeySet.addAll(MOVED_TO_SECURE);
7813        }
7814
7815        /**
7816         * Look up a name in the database.
7817         * @param resolver to access the database with
7818         * @param name to look up in the table
7819         * @return the corresponding value, or null if not present
7820         */
7821        public static String getString(ContentResolver resolver, String name) {
7822            return getStringForUser(resolver, name, UserHandle.myUserId());
7823        }
7824
7825        /** @hide */
7826        public static String getStringForUser(ContentResolver resolver, String name,
7827                int userHandle) {
7828            if (MOVED_TO_SECURE.contains(name)) {
7829                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7830                        + " to android.provider.Settings.Secure, returning read-only value.");
7831                return Secure.getStringForUser(resolver, name, userHandle);
7832            }
7833            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7834        }
7835
7836        /**
7837         * Store a name/value pair into the database.
7838         * @param resolver to access the database with
7839         * @param name to store
7840         * @param value to associate with the name
7841         * @return true if the value was set, false on database errors
7842         */
7843        public static boolean putString(ContentResolver resolver,
7844                String name, String value) {
7845            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7846        }
7847
7848        /** @hide */
7849        public static boolean putStringForUser(ContentResolver resolver,
7850                String name, String value, int userHandle) {
7851            if (LOCAL_LOGV) {
7852                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
7853                        + " for " + userHandle);
7854            }
7855            // Global and Secure have the same access policy so we can forward writes
7856            if (MOVED_TO_SECURE.contains(name)) {
7857                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7858                        + " to android.provider.Settings.Secure, value is unchanged.");
7859                return Secure.putStringForUser(resolver, name, value, userHandle);
7860            }
7861            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
7862        }
7863
7864        /**
7865         * Construct the content URI for a particular name/value pair,
7866         * useful for monitoring changes with a ContentObserver.
7867         * @param name to look up in the table
7868         * @return the corresponding content URI, or null if not present
7869         */
7870        public static Uri getUriFor(String name) {
7871            return getUriFor(CONTENT_URI, name);
7872        }
7873
7874        /**
7875         * Convenience function for retrieving a single secure settings value
7876         * as an integer.  Note that internally setting values are always
7877         * stored as strings; this function converts the string to an integer
7878         * for you.  The default value will be returned if the setting is
7879         * not defined or not an integer.
7880         *
7881         * @param cr The ContentResolver to access.
7882         * @param name The name of the setting to retrieve.
7883         * @param def Value to return if the setting is not defined.
7884         *
7885         * @return The setting's current value, or 'def' if it is not defined
7886         * or not a valid integer.
7887         */
7888        public static int getInt(ContentResolver cr, String name, int def) {
7889            String v = getString(cr, name);
7890            try {
7891                return v != null ? Integer.parseInt(v) : def;
7892            } catch (NumberFormatException e) {
7893                return def;
7894            }
7895        }
7896
7897        /**
7898         * Convenience function for retrieving a single secure settings value
7899         * as an integer.  Note that internally setting values are always
7900         * stored as strings; this function converts the string to an integer
7901         * for you.
7902         * <p>
7903         * This version does not take a default value.  If the setting has not
7904         * been set, or the string value is not a number,
7905         * it throws {@link SettingNotFoundException}.
7906         *
7907         * @param cr The ContentResolver to access.
7908         * @param name The name of the setting to retrieve.
7909         *
7910         * @throws SettingNotFoundException Thrown if a setting by the given
7911         * name can't be found or the setting value is not an integer.
7912         *
7913         * @return The setting's current value.
7914         */
7915        public static int getInt(ContentResolver cr, String name)
7916                throws SettingNotFoundException {
7917            String v = getString(cr, name);
7918            try {
7919                return Integer.parseInt(v);
7920            } catch (NumberFormatException e) {
7921                throw new SettingNotFoundException(name);
7922            }
7923        }
7924
7925        /**
7926         * Convenience function for updating a single settings value as an
7927         * integer. This will either create a new entry in the table if the
7928         * given name does not exist, or modify the value of the existing row
7929         * with that name.  Note that internally setting values are always
7930         * stored as strings, so this function converts the given value to a
7931         * string before storing it.
7932         *
7933         * @param cr The ContentResolver to access.
7934         * @param name The name of the setting to modify.
7935         * @param value The new value for the setting.
7936         * @return true if the value was set, false on database errors
7937         */
7938        public static boolean putInt(ContentResolver cr, String name, int value) {
7939            return putString(cr, name, Integer.toString(value));
7940        }
7941
7942        /**
7943         * Convenience function for retrieving a single secure settings value
7944         * as a {@code long}.  Note that internally setting values are always
7945         * stored as strings; this function converts the string to a {@code long}
7946         * for you.  The default value will be returned if the setting is
7947         * not defined or not a {@code long}.
7948         *
7949         * @param cr The ContentResolver to access.
7950         * @param name The name of the setting to retrieve.
7951         * @param def Value to return if the setting is not defined.
7952         *
7953         * @return The setting's current value, or 'def' if it is not defined
7954         * or not a valid {@code long}.
7955         */
7956        public static long getLong(ContentResolver cr, String name, long def) {
7957            String valString = getString(cr, name);
7958            long value;
7959            try {
7960                value = valString != null ? Long.parseLong(valString) : def;
7961            } catch (NumberFormatException e) {
7962                value = def;
7963            }
7964            return value;
7965        }
7966
7967        /**
7968         * Convenience function for retrieving a single secure settings value
7969         * as a {@code long}.  Note that internally setting values are always
7970         * stored as strings; this function converts the string to a {@code long}
7971         * for you.
7972         * <p>
7973         * This version does not take a default value.  If the setting has not
7974         * been set, or the string value is not a number,
7975         * it throws {@link SettingNotFoundException}.
7976         *
7977         * @param cr The ContentResolver to access.
7978         * @param name The name of the setting to retrieve.
7979         *
7980         * @return The setting's current value.
7981         * @throws SettingNotFoundException Thrown if a setting by the given
7982         * name can't be found or the setting value is not an integer.
7983         */
7984        public static long getLong(ContentResolver cr, String name)
7985                throws SettingNotFoundException {
7986            String valString = getString(cr, name);
7987            try {
7988                return Long.parseLong(valString);
7989            } catch (NumberFormatException e) {
7990                throw new SettingNotFoundException(name);
7991            }
7992        }
7993
7994        /**
7995         * Convenience function for updating a secure settings value as a long
7996         * integer. This will either create a new entry in the table if the
7997         * given name does not exist, or modify the value of the existing row
7998         * with that name.  Note that internally setting values are always
7999         * stored as strings, so this function converts the given value to a
8000         * string before storing it.
8001         *
8002         * @param cr The ContentResolver to access.
8003         * @param name The name of the setting to modify.
8004         * @param value The new value for the setting.
8005         * @return true if the value was set, false on database errors
8006         */
8007        public static boolean putLong(ContentResolver cr, String name, long value) {
8008            return putString(cr, name, Long.toString(value));
8009        }
8010
8011        /**
8012         * Convenience function for retrieving a single secure settings value
8013         * as a floating point number.  Note that internally setting values are
8014         * always stored as strings; this function converts the string to an
8015         * float for you. The default value will be returned if the setting
8016         * is not defined or not a valid float.
8017         *
8018         * @param cr The ContentResolver to access.
8019         * @param name The name of the setting to retrieve.
8020         * @param def Value to return if the setting is not defined.
8021         *
8022         * @return The setting's current value, or 'def' if it is not defined
8023         * or not a valid float.
8024         */
8025        public static float getFloat(ContentResolver cr, String name, float def) {
8026            String v = getString(cr, name);
8027            try {
8028                return v != null ? Float.parseFloat(v) : def;
8029            } catch (NumberFormatException e) {
8030                return def;
8031            }
8032        }
8033
8034        /**
8035         * Convenience function for retrieving a single secure settings value
8036         * as a float.  Note that internally setting values are always
8037         * stored as strings; this function converts the string to a float
8038         * for you.
8039         * <p>
8040         * This version does not take a default value.  If the setting has not
8041         * been set, or the string value is not a number,
8042         * it throws {@link SettingNotFoundException}.
8043         *
8044         * @param cr The ContentResolver to access.
8045         * @param name The name of the setting to retrieve.
8046         *
8047         * @throws SettingNotFoundException Thrown if a setting by the given
8048         * name can't be found or the setting value is not a float.
8049         *
8050         * @return The setting's current value.
8051         */
8052        public static float getFloat(ContentResolver cr, String name)
8053                throws SettingNotFoundException {
8054            String v = getString(cr, name);
8055            if (v == null) {
8056                throw new SettingNotFoundException(name);
8057            }
8058            try {
8059                return Float.parseFloat(v);
8060            } catch (NumberFormatException e) {
8061                throw new SettingNotFoundException(name);
8062            }
8063        }
8064
8065        /**
8066         * Convenience function for updating a single settings value as a
8067         * floating point number. This will either create a new entry in the
8068         * table if the given name does not exist, or modify the value of the
8069         * existing row with that name.  Note that internally setting values
8070         * are always stored as strings, so this function converts the given
8071         * value to a string before storing it.
8072         *
8073         * @param cr The ContentResolver to access.
8074         * @param name The name of the setting to modify.
8075         * @param value The new value for the setting.
8076         * @return true if the value was set, false on database errors
8077         */
8078        public static boolean putFloat(ContentResolver cr, String name, float value) {
8079            return putString(cr, name, Float.toString(value));
8080        }
8081
8082
8083        /**
8084          * Subscription to be used for voice call on a multi sim device. The supported values
8085          * are 0 = SUB1, 1 = SUB2 and etc.
8086          * @hide
8087          */
8088        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8089
8090        /**
8091          * Used to provide option to user to select subscription during dial.
8092          * The supported values are 0 = disable or 1 = enable prompt.
8093          * @hide
8094          */
8095        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8096
8097        /**
8098          * Subscription to be used for data call on a multi sim device. The supported values
8099          * are 0 = SUB1, 1 = SUB2 and etc.
8100          * @hide
8101          */
8102        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8103
8104        /**
8105          * Subscription to be used for SMS on a multi sim device. The supported values
8106          * are 0 = SUB1, 1 = SUB2 and etc.
8107          * @hide
8108          */
8109        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8110
8111       /**
8112          * Used to provide option to user to select subscription during send SMS.
8113          * The value 1 - enable, 0 - disable
8114          * @hide
8115          */
8116        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8117
8118
8119
8120        /** User preferred subscriptions setting.
8121          * This holds the details of the user selected subscription from the card and
8122          * the activation status. Each settings string have the coma separated values
8123          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8124          * @hide
8125         */
8126        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8127                "user_preferred_sub2","user_preferred_sub3"};
8128
8129        /**
8130         * Whether to enable new contacts aggregator or not.
8131         * The value 1 - enable, 0 - disable
8132         * @hide
8133         */
8134        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8135
8136        /**
8137         * Whether to enable contacts metadata syncing or not
8138         * The value 1 - enable, 0 - disable
8139         * @hide
8140         */
8141        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8142
8143        /**
8144         * Whether to enable cellular on boot.
8145         * The value 1 - enable, 0 - disable
8146         * @hide
8147         */
8148        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8149    }
8150
8151    /**
8152     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8153     * Intent URL, allowing it to be either a web page or a particular
8154     * application activity.
8155     *
8156     * @hide
8157     */
8158    public static final class Bookmarks implements BaseColumns
8159    {
8160        private static final String TAG = "Bookmarks";
8161
8162        /**
8163         * The content:// style URL for this table
8164         */
8165        public static final Uri CONTENT_URI =
8166            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8167
8168        /**
8169         * The row ID.
8170         * <p>Type: INTEGER</p>
8171         */
8172        public static final String ID = "_id";
8173
8174        /**
8175         * Descriptive name of the bookmark that can be displayed to the user.
8176         * If this is empty, the title should be resolved at display time (use
8177         * {@link #getTitle(Context, Cursor)} any time you want to display the
8178         * title of a bookmark.)
8179         * <P>
8180         * Type: TEXT
8181         * </P>
8182         */
8183        public static final String TITLE = "title";
8184
8185        /**
8186         * Arbitrary string (displayed to the user) that allows bookmarks to be
8187         * organized into categories.  There are some special names for
8188         * standard folders, which all start with '@'.  The label displayed for
8189         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8190         * the folder name does not change so you can consistently query for
8191         * the folder regardless of the current locale.
8192         *
8193         * <P>Type: TEXT</P>
8194         *
8195         */
8196        public static final String FOLDER = "folder";
8197
8198        /**
8199         * The Intent URL of the bookmark, describing what it points to.  This
8200         * value is given to {@link android.content.Intent#getIntent} to create
8201         * an Intent that can be launched.
8202         * <P>Type: TEXT</P>
8203         */
8204        public static final String INTENT = "intent";
8205
8206        /**
8207         * Optional shortcut character associated with this bookmark.
8208         * <P>Type: INTEGER</P>
8209         */
8210        public static final String SHORTCUT = "shortcut";
8211
8212        /**
8213         * The order in which the bookmark should be displayed
8214         * <P>Type: INTEGER</P>
8215         */
8216        public static final String ORDERING = "ordering";
8217
8218        private static final String[] sIntentProjection = { INTENT };
8219        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8220        private static final String sShortcutSelection = SHORTCUT + "=?";
8221
8222        /**
8223         * Convenience function to retrieve the bookmarked Intent for a
8224         * particular shortcut key.
8225         *
8226         * @param cr The ContentResolver to query.
8227         * @param shortcut The shortcut key.
8228         *
8229         * @return Intent The bookmarked URL, or null if there is no bookmark
8230         *         matching the given shortcut.
8231         */
8232        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8233        {
8234            Intent intent = null;
8235
8236            Cursor c = cr.query(CONTENT_URI,
8237                    sIntentProjection, sShortcutSelection,
8238                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8239            // Keep trying until we find a valid shortcut
8240            try {
8241                while (intent == null && c.moveToNext()) {
8242                    try {
8243                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8244                        intent = Intent.parseUri(intentURI, 0);
8245                    } catch (java.net.URISyntaxException e) {
8246                        // The stored URL is bad...  ignore it.
8247                    } catch (IllegalArgumentException e) {
8248                        // Column not found
8249                        Log.w(TAG, "Intent column not found", e);
8250                    }
8251                }
8252            } finally {
8253                if (c != null) c.close();
8254            }
8255
8256            return intent;
8257        }
8258
8259        /**
8260         * Add a new bookmark to the system.
8261         *
8262         * @param cr The ContentResolver to query.
8263         * @param intent The desired target of the bookmark.
8264         * @param title Bookmark title that is shown to the user; null if none
8265         *            or it should be resolved to the intent's title.
8266         * @param folder Folder in which to place the bookmark; null if none.
8267         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8268         *            this is non-zero and there is an existing bookmark entry
8269         *            with this same shortcut, then that existing shortcut is
8270         *            cleared (the bookmark is not removed).
8271         * @return The unique content URL for the new bookmark entry.
8272         */
8273        public static Uri add(ContentResolver cr,
8274                                           Intent intent,
8275                                           String title,
8276                                           String folder,
8277                                           char shortcut,
8278                                           int ordering)
8279        {
8280            // If a shortcut is supplied, and it is already defined for
8281            // another bookmark, then remove the old definition.
8282            if (shortcut != 0) {
8283                cr.delete(CONTENT_URI, sShortcutSelection,
8284                        new String[] { String.valueOf((int) shortcut) });
8285            }
8286
8287            ContentValues values = new ContentValues();
8288            if (title != null) values.put(TITLE, title);
8289            if (folder != null) values.put(FOLDER, folder);
8290            values.put(INTENT, intent.toUri(0));
8291            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8292            values.put(ORDERING, ordering);
8293            return cr.insert(CONTENT_URI, values);
8294        }
8295
8296        /**
8297         * Return the folder name as it should be displayed to the user.  This
8298         * takes care of localizing special folders.
8299         *
8300         * @param r Resources object for current locale; only need access to
8301         *          system resources.
8302         * @param folder The value found in the {@link #FOLDER} column.
8303         *
8304         * @return CharSequence The label for this folder that should be shown
8305         *         to the user.
8306         */
8307        public static CharSequence getLabelForFolder(Resources r, String folder) {
8308            return folder;
8309        }
8310
8311        /**
8312         * Return the title as it should be displayed to the user. This takes
8313         * care of localizing bookmarks that point to activities.
8314         *
8315         * @param context A context.
8316         * @param cursor A cursor pointing to the row whose title should be
8317         *        returned. The cursor must contain at least the {@link #TITLE}
8318         *        and {@link #INTENT} columns.
8319         * @return A title that is localized and can be displayed to the user,
8320         *         or the empty string if one could not be found.
8321         */
8322        public static CharSequence getTitle(Context context, Cursor cursor) {
8323            int titleColumn = cursor.getColumnIndex(TITLE);
8324            int intentColumn = cursor.getColumnIndex(INTENT);
8325            if (titleColumn == -1 || intentColumn == -1) {
8326                throw new IllegalArgumentException(
8327                        "The cursor must contain the TITLE and INTENT columns.");
8328            }
8329
8330            String title = cursor.getString(titleColumn);
8331            if (!TextUtils.isEmpty(title)) {
8332                return title;
8333            }
8334
8335            String intentUri = cursor.getString(intentColumn);
8336            if (TextUtils.isEmpty(intentUri)) {
8337                return "";
8338            }
8339
8340            Intent intent;
8341            try {
8342                intent = Intent.parseUri(intentUri, 0);
8343            } catch (URISyntaxException e) {
8344                return "";
8345            }
8346
8347            PackageManager packageManager = context.getPackageManager();
8348            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8349            return info != null ? info.loadLabel(packageManager) : "";
8350        }
8351    }
8352
8353    /**
8354     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8355     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8356     * from the GoogleLoginService.
8357     *
8358     * @param androidId The Android ID for this device.
8359     * @return The device ID that should be used when connecting to the mobile gtalk server.
8360     * @hide
8361     */
8362    public static String getGTalkDeviceId(long androidId) {
8363        return "android-" + Long.toHexString(androidId);
8364    }
8365
8366    private static final String[] PM_WRITE_SETTINGS = {
8367        android.Manifest.permission.WRITE_SETTINGS
8368    };
8369    private static final String[] PM_CHANGE_NETWORK_STATE = {
8370        android.Manifest.permission.CHANGE_NETWORK_STATE,
8371        android.Manifest.permission.WRITE_SETTINGS
8372    };
8373    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8374        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8375    };
8376
8377    /**
8378     * Performs a strict and comprehensive check of whether a calling package is allowed to
8379     * write/modify system settings, as the condition differs for pre-M, M+, and
8380     * privileged/preinstalled apps. If the provided uid does not match the
8381     * callingPackage, a negative result will be returned.
8382     * @hide
8383     */
8384    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8385            String callingPackage, boolean throwException) {
8386        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8387                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8388                PM_WRITE_SETTINGS, false);
8389    }
8390
8391    /**
8392     * Performs a strict and comprehensive check of whether a calling package is allowed to
8393     * write/modify system settings, as the condition differs for pre-M, M+, and
8394     * privileged/preinstalled apps. If the provided uid does not match the
8395     * callingPackage, a negative result will be returned. The caller is expected to have
8396     * either WRITE_SETTINGS or CHANGE_NETWORK_STATE permission declared.
8397     *
8398     * Note: if the check is successful, the operation of this app will be updated to the
8399     * current time.
8400     * @hide
8401     */
8402    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8403            String callingPackage, boolean throwException) {
8404        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8405                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8406                PM_WRITE_SETTINGS, true);
8407    }
8408
8409    /**
8410     * Performs a strict and comprehensive check of whether a calling package is allowed to
8411     * change the state of network, as the condition differs for pre-M, M+, and
8412     * privileged/preinstalled apps. If the provided uid does not match the
8413     * callingPackage, a negative result will be returned. The caller is expected to have
8414     * either of CHANGE_NETWORK_STATE or WRITE_SETTINGS permission declared.
8415     * @hide
8416     */
8417    public static boolean isCallingPackageAllowedToChangeNetworkState(Context context, int uid,
8418            String callingPackage, boolean throwException) {
8419        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8420                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8421                PM_CHANGE_NETWORK_STATE, false);
8422    }
8423
8424    /**
8425     * Performs a strict and comprehensive check of whether a calling package is allowed to
8426     * change the state of network, as the condition differs for pre-M, M+, and
8427     * privileged/preinstalled apps. If the provided uid does not match the
8428     * callingPackage, a negative result will be returned. The caller is expected to have
8429     * either CHANGE_NETWORK_STATE or WRITE_SETTINGS permission declared.
8430     *
8431     * Note: if the check is successful, the operation of this app will be updated to the
8432     * current time.
8433     * @hide
8434     */
8435    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8436            String callingPackage, boolean throwException) {
8437        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8438                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8439                PM_CHANGE_NETWORK_STATE, true);
8440    }
8441
8442    /**
8443     * Performs a strict and comprehensive check of whether a calling package is allowed to
8444     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8445     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8446     * a negative result will be returned.
8447     * @hide
8448     */
8449    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8450            String callingPackage, boolean throwException) {
8451        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8452                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8453                PM_SYSTEM_ALERT_WINDOW, false);
8454    }
8455
8456    /**
8457     * Performs a strict and comprehensive check of whether a calling package is allowed to
8458     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8459     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8460     * a negative result will be returned.
8461     *
8462     * Note: if the check is successful, the operation of this app will be updated to the
8463     * current time.
8464     * @hide
8465     */
8466    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8467            callingPackage, boolean throwException) {
8468        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8469                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8470                PM_SYSTEM_ALERT_WINDOW, true);
8471    }
8472
8473    /**
8474     * Helper method to perform a general and comprehensive check of whether an operation that is
8475     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8476     * OP_WRITE_SETTINGS
8477     * @hide
8478     */
8479    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8480            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8481            permissions, boolean makeNote) {
8482        if (callingPackage == null) {
8483            return false;
8484        }
8485
8486        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8487        int mode = AppOpsManager.MODE_DEFAULT;
8488        if (makeNote) {
8489            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8490        } else {
8491            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8492        }
8493
8494        switch (mode) {
8495            case AppOpsManager.MODE_ALLOWED:
8496                return true;
8497
8498            case AppOpsManager.MODE_DEFAULT:
8499                // this is the default operating mode after an app's installation
8500                // In this case we will check all associated static permission to see
8501                // if it is granted during install time.
8502                for (String permission : permissions) {
8503                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8504                            .PERMISSION_GRANTED) {
8505                        // if either of the permissions are granted, we will allow it
8506                        return true;
8507                    }
8508                }
8509
8510            default:
8511                // this is for all other cases trickled down here...
8512                if (!throwException) {
8513                    return false;
8514                }
8515        }
8516
8517        // prepare string to throw SecurityException
8518        StringBuilder exceptionMessage = new StringBuilder();
8519        exceptionMessage.append(callingPackage);
8520        exceptionMessage.append(" was not granted ");
8521        if (permissions.length > 1) {
8522            exceptionMessage.append(" either of these permissions: ");
8523        } else {
8524            exceptionMessage.append(" this permission: ");
8525        }
8526        for (int i = 0; i < permissions.length; i++) {
8527            exceptionMessage.append(permissions[i]);
8528            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8529        }
8530
8531        throw new SecurityException(exceptionMessage.toString());
8532    }
8533
8534    /**
8535     * Retrieves a correponding package name for a given uid. It will query all
8536     * packages that are associated with the given uid, but it will return only
8537     * the zeroth result.
8538     * Note: If package could not be found, a null is returned.
8539     * @hide
8540     */
8541    public static String getPackageNameForUid(Context context, int uid) {
8542        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8543        if (packages == null) {
8544            return null;
8545        }
8546        return packages[0];
8547    }
8548}
8549