Settings.java revision 8141bdfa56f13c3946bed12ba7801e492ec25c11
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.annotation.TestApi;
23import android.app.ActivityThread;
24import android.app.AppOpsManager;
25import android.app.Application;
26import android.app.SearchManager;
27import android.app.WallpaperManager;
28import android.content.ComponentName;
29import android.content.ContentResolver;
30import android.content.ContentValues;
31import android.content.Context;
32import android.content.IContentProvider;
33import android.content.Intent;
34import android.content.pm.ActivityInfo;
35import android.content.pm.PackageManager;
36import android.content.pm.ResolveInfo;
37import android.content.res.Configuration;
38import android.content.res.Resources;
39import android.database.Cursor;
40import android.database.SQLException;
41import android.location.LocationManager;
42import android.net.ConnectivityManager;
43import android.net.Uri;
44import android.net.wifi.WifiManager;
45import android.os.BatteryManager;
46import android.os.Binder;
47import android.os.Bundle;
48import android.os.DropBoxManager;
49import android.os.IBinder;
50import android.os.Process;
51import android.os.RemoteException;
52import android.os.ServiceManager;
53import android.os.SystemProperties;
54import android.os.UserHandle;
55import android.os.Build.VERSION_CODES;
56import android.speech.tts.TextToSpeech;
57import android.text.TextUtils;
58import android.util.AndroidException;
59import android.util.ArrayMap;
60import android.util.ArraySet;
61import android.util.Log;
62
63import com.android.internal.util.ArrayUtils;
64import com.android.internal.widget.ILockSettings;
65
66import java.net.URISyntaxException;
67import java.text.SimpleDateFormat;
68import java.util.HashMap;
69import java.util.HashSet;
70import java.util.Locale;
71import java.util.Map;
72import java.util.Set;
73
74/**
75 * The Settings provider contains global system-level device preferences.
76 */
77public final class Settings {
78
79    // Intent actions for Settings
80
81    /**
82     * Activity Action: Show system settings.
83     * <p>
84     * Input: Nothing.
85     * <p>
86     * Output: Nothing.
87     */
88    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
89    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
90
91    /**
92     * Activity Action: Show settings to allow configuration of APNs.
93     * <p>
94     * Input: Nothing.
95     * <p>
96     * Output: Nothing.
97     */
98    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
99    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
100
101    /**
102     * Activity Action: Show settings to allow configuration of current location
103     * sources.
104     * <p>
105     * In some cases, a matching Activity may not exist, so ensure you
106     * safeguard against this.
107     * <p>
108     * Input: Nothing.
109     * <p>
110     * Output: Nothing.
111     */
112    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
113    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
114            "android.settings.LOCATION_SOURCE_SETTINGS";
115
116    /**
117     * Activity Action: Show settings to allow configuration of wireless controls
118     * such as Wi-Fi, Bluetooth and Mobile networks.
119     * <p>
120     * In some cases, a matching Activity may not exist, so ensure you
121     * safeguard against this.
122     * <p>
123     * Input: Nothing.
124     * <p>
125     * Output: Nothing.
126     */
127    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
128    public static final String ACTION_WIRELESS_SETTINGS =
129            "android.settings.WIRELESS_SETTINGS";
130
131    /**
132     * Activity Action: Show settings to allow entering/exiting airplane mode.
133     * <p>
134     * In some cases, a matching Activity may not exist, so ensure you
135     * safeguard against this.
136     * <p>
137     * Input: Nothing.
138     * <p>
139     * Output: Nothing.
140     */
141    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
142    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
143            "android.settings.AIRPLANE_MODE_SETTINGS";
144
145    /**
146     * Activity Action: Modify Airplane mode settings using a voice command.
147     * <p>
148     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
149     * <p>
150     * This intent MUST be started using
151     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
152     * startVoiceActivity}.
153     * <p>
154     * Note: The activity implementing this intent MUST verify that
155     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
156     * modifying the setting.
157     * <p>
158     * Input: To tell which state airplane mode should be set to, add the
159     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
160     * If the extra is not included, no changes will be made.
161     * <p>
162     * Output: Nothing.
163     */
164    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
165    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
166            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
167
168    /**
169     * Activity Action: Show settings for accessibility modules.
170     * <p>
171     * In some cases, a matching Activity may not exist, so ensure you
172     * safeguard against this.
173     * <p>
174     * Input: Nothing.
175     * <p>
176     * Output: Nothing.
177     */
178    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
179    public static final String ACTION_ACCESSIBILITY_SETTINGS =
180            "android.settings.ACCESSIBILITY_SETTINGS";
181
182    /**
183     * Activity Action: Show settings to control access to usage information.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you
186     * safeguard against this.
187     * <p>
188     * Input: Nothing.
189     * <p>
190     * Output: Nothing.
191     */
192    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
193    public static final String ACTION_USAGE_ACCESS_SETTINGS =
194            "android.settings.USAGE_ACCESS_SETTINGS";
195
196    /**
197     * Activity Category: Show application settings related to usage access.
198     * <p>
199     * An activity that provides a user interface for adjusting usage access related
200     * preferences for its containing application. Optional but recommended for apps that
201     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
202     * <p>
203     * The activity may define meta-data to describe what usage access is
204     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
205     * will be displayed in Settings.
206     * <p>
207     * Input: Nothing.
208     * <p>
209     * Output: Nothing.
210     */
211    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
212    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
213            "android.intent.category.USAGE_ACCESS_CONFIG";
214
215    /**
216     * Metadata key: Reason for needing usage access.
217     * <p>
218     * A key for metadata attached to an activity that receives action
219     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
220     * user as description of how the app uses usage access.
221     * <p>
222     */
223    public static final String METADATA_USAGE_ACCESS_REASON =
224            "android.settings.metadata.USAGE_ACCESS_REASON";
225
226    /**
227     * Activity Action: Show settings to allow configuration of security and
228     * location privacy.
229     * <p>
230     * In some cases, a matching Activity may not exist, so ensure you
231     * safeguard against this.
232     * <p>
233     * Input: Nothing.
234     * <p>
235     * Output: Nothing.
236     */
237    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
238    public static final String ACTION_SECURITY_SETTINGS =
239            "android.settings.SECURITY_SETTINGS";
240
241    /**
242     * Activity Action: Show trusted credentials settings, opening to the user tab,
243     * to allow management of installed credentials.
244     * <p>
245     * In some cases, a matching Activity may not exist, so ensure you
246     * safeguard against this.
247     * <p>
248     * Input: Nothing.
249     * <p>
250     * Output: Nothing.
251     * @hide
252     */
253    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
254    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
255            "com.android.settings.TRUSTED_CREDENTIALS_USER";
256
257    /**
258     * Activity Action: Show dialog explaining that an installed CA cert may enable
259     * monitoring of encrypted network traffic.
260     * <p>
261     * In some cases, a matching Activity may not exist, so ensure you
262     * safeguard against this.
263     * <p>
264     * Input: Nothing.
265     * <p>
266     * Output: Nothing.
267     * @hide
268     */
269    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
270    public static final String ACTION_MONITORING_CERT_INFO =
271            "com.android.settings.MONITORING_CERT_INFO";
272
273    /**
274     * Activity Action: Show settings to allow configuration of privacy options.
275     * <p>
276     * In some cases, a matching Activity may not exist, so ensure you
277     * safeguard against this.
278     * <p>
279     * Input: Nothing.
280     * <p>
281     * Output: Nothing.
282     */
283    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
284    public static final String ACTION_PRIVACY_SETTINGS =
285            "android.settings.PRIVACY_SETTINGS";
286
287    /**
288     * Activity Action: Show settings to allow configuration of Wi-Fi.
289     * <p>
290     * In some cases, a matching Activity may not exist, so ensure you
291     * safeguard against this.
292     * <p>
293     * Input: Nothing.
294     * <p>
295     * Output: Nothing.
296
297     */
298    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
299    public static final String ACTION_WIFI_SETTINGS =
300            "android.settings.WIFI_SETTINGS";
301
302    /**
303     * Activity Action: Show settings to allow configuration of a static IP
304     * address for Wi-Fi.
305     * <p>
306     * In some cases, a matching Activity may not exist, so ensure you safeguard
307     * against this.
308     * <p>
309     * Input: Nothing.
310     * <p>
311     * Output: Nothing.
312     */
313    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
314    public static final String ACTION_WIFI_IP_SETTINGS =
315            "android.settings.WIFI_IP_SETTINGS";
316
317    /**
318     * Activity Action: Show settings to allow configuration of Bluetooth.
319     * <p>
320     * In some cases, a matching Activity may not exist, so ensure you
321     * safeguard against this.
322     * <p>
323     * Input: Nothing.
324     * <p>
325     * Output: Nothing.
326     */
327    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
328    public static final String ACTION_BLUETOOTH_SETTINGS =
329            "android.settings.BLUETOOTH_SETTINGS";
330
331    /**
332     * Activity Action: Show settings to allow configuration of cast endpoints.
333     * <p>
334     * In some cases, a matching Activity may not exist, so ensure you
335     * safeguard against this.
336     * <p>
337     * Input: Nothing.
338     * <p>
339     * Output: Nothing.
340     */
341    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
342    public static final String ACTION_CAST_SETTINGS =
343            "android.settings.CAST_SETTINGS";
344
345    /**
346     * Activity Action: Show settings to allow configuration of date and time.
347     * <p>
348     * In some cases, a matching Activity may not exist, so ensure you
349     * safeguard against this.
350     * <p>
351     * Input: Nothing.
352     * <p>
353     * Output: Nothing.
354     */
355    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
356    public static final String ACTION_DATE_SETTINGS =
357            "android.settings.DATE_SETTINGS";
358
359    /**
360     * Activity Action: Show settings to allow configuration of sound and volume.
361     * <p>
362     * In some cases, a matching Activity may not exist, so ensure you
363     * safeguard against this.
364     * <p>
365     * Input: Nothing.
366     * <p>
367     * Output: Nothing.
368     */
369    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
370    public static final String ACTION_SOUND_SETTINGS =
371            "android.settings.SOUND_SETTINGS";
372
373    /**
374     * Activity Action: Show settings to allow configuration of display.
375     * <p>
376     * In some cases, a matching Activity may not exist, so ensure you
377     * safeguard against this.
378     * <p>
379     * Input: Nothing.
380     * <p>
381     * Output: Nothing.
382     */
383    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
384    public static final String ACTION_DISPLAY_SETTINGS =
385            "android.settings.DISPLAY_SETTINGS";
386
387    /**
388     * Activity Action: Show settings to allow configuration of locale.
389     * <p>
390     * In some cases, a matching Activity may not exist, so ensure you
391     * safeguard against this.
392     * <p>
393     * Input: Nothing.
394     * <p>
395     * Output: Nothing.
396     */
397    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
398    public static final String ACTION_LOCALE_SETTINGS =
399            "android.settings.LOCALE_SETTINGS";
400
401    /**
402     * Activity Action: Show settings to configure input methods, in particular
403     * allowing the user to enable input methods.
404     * <p>
405     * In some cases, a matching Activity may not exist, so ensure you
406     * safeguard against this.
407     * <p>
408     * Input: Nothing.
409     * <p>
410     * Output: Nothing.
411     */
412    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
413    public static final String ACTION_VOICE_INPUT_SETTINGS =
414            "android.settings.VOICE_INPUT_SETTINGS";
415
416    /**
417     * Activity Action: Show settings to configure input methods, in particular
418     * allowing the user to enable input methods.
419     * <p>
420     * In some cases, a matching Activity may not exist, so ensure you
421     * safeguard against this.
422     * <p>
423     * Input: Nothing.
424     * <p>
425     * Output: Nothing.
426     */
427    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
428    public static final String ACTION_INPUT_METHOD_SETTINGS =
429            "android.settings.INPUT_METHOD_SETTINGS";
430
431    /**
432     * Activity Action: Show settings to enable/disable input method subtypes.
433     * <p>
434     * In some cases, a matching Activity may not exist, so ensure you
435     * safeguard against this.
436     * <p>
437     * To tell which input method's subtypes are displayed in the settings, add
438     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
439     * If there is no extra in this Intent, subtypes from all installed input methods
440     * will be displayed in the settings.
441     *
442     * @see android.view.inputmethod.InputMethodInfo#getId
443     * <p>
444     * Input: Nothing.
445     * <p>
446     * Output: Nothing.
447     */
448    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
449    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
450            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
451
452    /**
453     * Activity Action: Show a dialog to select input method.
454     * <p>
455     * In some cases, a matching Activity may not exist, so ensure you
456     * safeguard against this.
457     * <p>
458     * Input: Nothing.
459     * <p>
460     * Output: Nothing.
461     * @hide
462     */
463    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
464    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
465            "android.settings.SHOW_INPUT_METHOD_PICKER";
466
467    /**
468     * Activity Action: Show settings to manage the user input dictionary.
469     * <p>
470     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
471     * it is guaranteed there will always be an appropriate implementation for this Intent action.
472     * In prior releases of the platform this was optional, so ensure you safeguard against it.
473     * <p>
474     * Input: Nothing.
475     * <p>
476     * Output: Nothing.
477     */
478    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
479    public static final String ACTION_USER_DICTIONARY_SETTINGS =
480            "android.settings.USER_DICTIONARY_SETTINGS";
481
482    /**
483     * Activity Action: Adds a word to the user dictionary.
484     * <p>
485     * In some cases, a matching Activity may not exist, so ensure you
486     * safeguard against this.
487     * <p>
488     * Input: An extra with key <code>word</code> that contains the word
489     * that should be added to the dictionary.
490     * <p>
491     * Output: Nothing.
492     *
493     * @hide
494     */
495    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
496    public static final String ACTION_USER_DICTIONARY_INSERT =
497            "com.android.settings.USER_DICTIONARY_INSERT";
498
499    /**
500     * Activity Action: Show settings to allow configuration of application-related settings.
501     * <p>
502     * In some cases, a matching Activity may not exist, so ensure you
503     * safeguard against this.
504     * <p>
505     * Input: Nothing.
506     * <p>
507     * Output: Nothing.
508     */
509    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
510    public static final String ACTION_APPLICATION_SETTINGS =
511            "android.settings.APPLICATION_SETTINGS";
512
513    /**
514     * Activity Action: Show settings to allow configuration of application
515     * development-related settings.  As of
516     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
517     * a required part of the platform.
518     * <p>
519     * Input: Nothing.
520     * <p>
521     * Output: Nothing.
522     */
523    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
524    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
525            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
526
527    /**
528     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
529     * <p>
530     * In some cases, a matching Activity may not exist, so ensure you
531     * safeguard against this.
532     * <p>
533     * Input: Nothing.
534     * <p>
535     * Output: Nothing.
536     */
537    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
538    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
539            "android.settings.QUICK_LAUNCH_SETTINGS";
540
541    /**
542     * Activity Action: Show settings to manage installed applications.
543     * <p>
544     * In some cases, a matching Activity may not exist, so ensure you
545     * safeguard against this.
546     * <p>
547     * Input: Nothing.
548     * <p>
549     * Output: Nothing.
550     */
551    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
552    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
553            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
554
555    /**
556     * Activity Action: Show settings to manage all applications.
557     * <p>
558     * In some cases, a matching Activity may not exist, so ensure you
559     * safeguard against this.
560     * <p>
561     * Input: Nothing.
562     * <p>
563     * Output: Nothing.
564     */
565    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
566    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
567            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
568
569    /**
570     * Activity Action: Show screen for controlling which apps can draw on top of other apps.
571     * <p>
572     * In some cases, a matching Activity may not exist, so ensure you
573     * safeguard against this.
574     * <p>
575     * Input: Optionally, the Intent's data URI can specify the application package name to
576     * directly invoke the management GUI specific to the package name. For example
577     * "package:com.my.app".
578     * <p>
579     * Output: Nothing.
580     */
581    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
582    public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
583            "android.settings.action.MANAGE_OVERLAY_PERMISSION";
584
585    /**
586     * Activity Action: Show screen for controlling which apps are allowed to write/modify
587     * system settings.
588     * <p>
589     * In some cases, a matching Activity may not exist, so ensure you
590     * safeguard against this.
591     * <p>
592     * Input: Optionally, the Intent's data URI can specify the application package name to
593     * directly invoke the management GUI specific to the package name. For example
594     * "package:com.my.app".
595     * <p>
596     * Output: Nothing.
597     */
598    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
599    public static final String ACTION_MANAGE_WRITE_SETTINGS =
600            "android.settings.action.MANAGE_WRITE_SETTINGS";
601
602    /**
603     * Activity Action: Show screen of details about a particular application.
604     * <p>
605     * In some cases, a matching Activity may not exist, so ensure you
606     * safeguard against this.
607     * <p>
608     * Input: The Intent's data URI specifies the application package name
609     * to be shown, with the "package" scheme.  That is "package:com.my.app".
610     * <p>
611     * Output: Nothing.
612     */
613    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
614    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
615            "android.settings.APPLICATION_DETAILS_SETTINGS";
616
617    /**
618     * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
619     * <p>
620     * Input: Nothing.
621     * <p>
622     * Output: Nothing.
623     * <p>
624     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
625     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
626     * already ignoring optimizations.  You can use
627     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
628     * on this list.
629     */
630    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
631    public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
632            "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
633
634    /**
635     * Activity Action: Ask the user to allow an to ignore battery optimizations (that is,
636     * put them on the whitelist of apps shown by
637     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
638     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
639     * permission.
640     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
641     * provided by the platform for applications to operate correctly in the various power
642     * saving mode.  This is only for unusual applications that need to deeply control their own
643     * execution, at the potential expense of the user's battery life.  Note that these applications
644     * greatly run the risk of showing to the user has how power consumers on their device.</p>
645     * <p>
646     * Input: The Intent's data URI must specify the application package name
647     * to be shown, with the "package" scheme.  That is "package:com.my.app".
648     * <p>
649     * Output: Nothing.
650     * <p>
651     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
652     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
653     * already ignoring optimizations.
654     */
655    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
656    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
657            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
658
659    /**
660     * @hide
661     * Activity Action: Show the "app ops" settings screen.
662     * <p>
663     * Input: Nothing.
664     * <p>
665     * Output: Nothing.
666     */
667    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
668    public static final String ACTION_APP_OPS_SETTINGS =
669            "android.settings.APP_OPS_SETTINGS";
670
671    /**
672     * Activity Action: Show settings for system update functionality.
673     * <p>
674     * In some cases, a matching Activity may not exist, so ensure you
675     * safeguard against this.
676     * <p>
677     * Input: Nothing.
678     * <p>
679     * Output: Nothing.
680     *
681     * @hide
682     */
683    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
684    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
685            "android.settings.SYSTEM_UPDATE_SETTINGS";
686
687    /**
688     * Activity Action: Show settings to allow configuration of sync settings.
689     * <p>
690     * In some cases, a matching Activity may not exist, so ensure you
691     * safeguard against this.
692     * <p>
693     * The account types available to add via the add account button may be restricted by adding an
694     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
695     * authorities. Only account types which can sync with that content provider will be offered to
696     * the user.
697     * <p>
698     * Input: Nothing.
699     * <p>
700     * Output: Nothing.
701     */
702    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
703    public static final String ACTION_SYNC_SETTINGS =
704            "android.settings.SYNC_SETTINGS";
705
706    /**
707     * Activity Action: Show add account screen for creating a new account.
708     * <p>
709     * In some cases, a matching Activity may not exist, so ensure you
710     * safeguard against this.
711     * <p>
712     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
713     * extra to the Intent with one or more syncable content provider's authorities.  Only account
714     * types which can sync with that content provider will be offered to the user.
715     * <p>
716     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
717     * Intent with one or more account types.
718     * <p>
719     * Input: Nothing.
720     * <p>
721     * Output: Nothing.
722     */
723    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
724    public static final String ACTION_ADD_ACCOUNT =
725            "android.settings.ADD_ACCOUNT_SETTINGS";
726
727    /**
728     * Activity Action: Show settings for selecting the network operator.
729     * <p>
730     * In some cases, a matching Activity may not exist, so ensure you
731     * safeguard against this.
732     * <p>
733     * Input: Nothing.
734     * <p>
735     * Output: Nothing.
736     */
737    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
738    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
739            "android.settings.NETWORK_OPERATOR_SETTINGS";
740
741    /**
742     * Activity Action: Show settings for selection of 2G/3G.
743     * <p>
744     * In some cases, a matching Activity may not exist, so ensure you
745     * safeguard against this.
746     * <p>
747     * Input: Nothing.
748     * <p>
749     * Output: Nothing.
750     */
751    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
752    public static final String ACTION_DATA_ROAMING_SETTINGS =
753            "android.settings.DATA_ROAMING_SETTINGS";
754
755    /**
756     * Activity Action: Show settings for internal storage.
757     * <p>
758     * In some cases, a matching Activity may not exist, so ensure you
759     * safeguard against this.
760     * <p>
761     * Input: Nothing.
762     * <p>
763     * Output: Nothing.
764     */
765    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
766    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
767            "android.settings.INTERNAL_STORAGE_SETTINGS";
768    /**
769     * Activity Action: Show settings for memory card storage.
770     * <p>
771     * In some cases, a matching Activity may not exist, so ensure you
772     * safeguard against this.
773     * <p>
774     * Input: Nothing.
775     * <p>
776     * Output: Nothing.
777     */
778    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
779    public static final String ACTION_MEMORY_CARD_SETTINGS =
780            "android.settings.MEMORY_CARD_SETTINGS";
781
782    /**
783     * Activity Action: Show settings for global search.
784     * <p>
785     * In some cases, a matching Activity may not exist, so ensure you
786     * safeguard against this.
787     * <p>
788     * Input: Nothing.
789     * <p>
790     * Output: Nothing
791     */
792    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
793    public static final String ACTION_SEARCH_SETTINGS =
794        "android.search.action.SEARCH_SETTINGS";
795
796    /**
797     * Activity Action: Show general device information settings (serial
798     * number, software version, phone number, etc.).
799     * <p>
800     * In some cases, a matching Activity may not exist, so ensure you
801     * safeguard against this.
802     * <p>
803     * Input: Nothing.
804     * <p>
805     * Output: Nothing
806     */
807    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
808    public static final String ACTION_DEVICE_INFO_SETTINGS =
809        "android.settings.DEVICE_INFO_SETTINGS";
810
811    /**
812     * Activity Action: Show NFC settings.
813     * <p>
814     * This shows UI that allows NFC to be turned on or off.
815     * <p>
816     * In some cases, a matching Activity may not exist, so ensure you
817     * safeguard against this.
818     * <p>
819     * Input: Nothing.
820     * <p>
821     * Output: Nothing
822     * @see android.nfc.NfcAdapter#isEnabled()
823     */
824    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
825    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
826
827    /**
828     * Activity Action: Show NFC Sharing settings.
829     * <p>
830     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
831     * off.
832     * <p>
833     * In some cases, a matching Activity may not exist, so ensure you
834     * safeguard against this.
835     * <p>
836     * Input: Nothing.
837     * <p>
838     * Output: Nothing
839     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
840     */
841    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
842    public static final String ACTION_NFCSHARING_SETTINGS =
843        "android.settings.NFCSHARING_SETTINGS";
844
845    /**
846     * Activity Action: Show NFC Tap & Pay settings
847     * <p>
848     * This shows UI that allows the user to configure Tap&Pay
849     * settings.
850     * <p>
851     * In some cases, a matching Activity may not exist, so ensure you
852     * safeguard against this.
853     * <p>
854     * Input: Nothing.
855     * <p>
856     * Output: Nothing
857     */
858    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
859    public static final String ACTION_NFC_PAYMENT_SETTINGS =
860        "android.settings.NFC_PAYMENT_SETTINGS";
861
862    /**
863     * Activity Action: Show Daydream settings.
864     * <p>
865     * In some cases, a matching Activity may not exist, so ensure you
866     * safeguard against this.
867     * <p>
868     * Input: Nothing.
869     * <p>
870     * Output: Nothing.
871     * @see android.service.dreams.DreamService
872     */
873    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
874    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
875
876    /**
877     * Activity Action: Show Notification listener settings.
878     * <p>
879     * In some cases, a matching Activity may not exist, so ensure you
880     * safeguard against this.
881     * <p>
882     * Input: Nothing.
883     * <p>
884     * Output: Nothing.
885     * @see android.service.notification.NotificationListenerService
886     */
887    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
888    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
889            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
890
891    /**
892     * Activity Action: Show Do Not Disturb access settings.
893     * <p>
894     * Users can grant and deny access to Do Not Disturb configuration from here.
895     * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
896     * details.
897     * <p>
898     * Input: Nothing.
899     * <p>
900     * Output: Nothing.
901     */
902    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
903    public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
904            = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";
905
906    /**
907     * @hide
908     */
909    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
910    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
911            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
912
913    /**
914     * Activity Action: Show settings for video captioning.
915     * <p>
916     * In some cases, a matching Activity may not exist, so ensure you safeguard
917     * against this.
918     * <p>
919     * Input: Nothing.
920     * <p>
921     * Output: Nothing.
922     */
923    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
924    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
925
926    /**
927     * Activity Action: Show the top level print settings.
928     * <p>
929     * In some cases, a matching Activity may not exist, so ensure you
930     * safeguard against this.
931     * <p>
932     * Input: Nothing.
933     * <p>
934     * Output: Nothing.
935     */
936    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
937    public static final String ACTION_PRINT_SETTINGS =
938            "android.settings.ACTION_PRINT_SETTINGS";
939
940    /**
941     * Activity Action: Show Zen Mode configuration settings.
942     *
943     * @hide
944     */
945    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
946    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
947
948    /**
949     * Activity Action: Show Zen Mode priority configuration settings.
950     *
951     * @hide
952     */
953    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
954    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
955            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
956
957    /**
958     * Activity Action: Show Zen Mode automation configuration settings.
959     *
960     * @hide
961     */
962    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
963    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
964            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
965
966    /**
967     * Activity Action: Modify do not disturb mode settings.
968     * <p>
969     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
970     * <p>
971     * This intent MUST be started using
972     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
973     * startVoiceActivity}.
974     * <p>
975     * Note: The Activity implementing this intent MUST verify that
976     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
977     * returns true before modifying the setting.
978     * <p>
979     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
980     * how long the user wishes to avoid interruptions for. The optional
981     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
982     * enabling or disabling do not disturb mode. If either extra is not included, the
983     * user maybe asked to provide the value.
984     * <p>
985     * Output: Nothing.
986     */
987    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
988    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
989            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
990
991    /**
992     * Activity Action: Show Zen Mode schedule rule configuration settings.
993     *
994     * @hide
995     */
996    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
997    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
998            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
999
1000    /**
1001     * Activity Action: Show Zen Mode event rule configuration settings.
1002     *
1003     * @hide
1004     */
1005    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1006    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
1007            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
1008
1009    /**
1010     * Activity Action: Show Zen Mode external rule configuration settings.
1011     *
1012     * @hide
1013     */
1014    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1015    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
1016            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
1017
1018    /**
1019     * Activity Action: Show the regulatory information screen for the device.
1020     * <p>
1021     * In some cases, a matching Activity may not exist, so ensure you safeguard
1022     * against this.
1023     * <p>
1024     * Input: Nothing.
1025     * <p>
1026     * Output: Nothing.
1027     */
1028    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1029    public static final String
1030            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
1031
1032    /**
1033     * Activity Action: Show Device Name Settings.
1034     * <p>
1035     * In some cases, a matching Activity may not exist, so ensure you safeguard
1036     * against this.
1037     *
1038     * @hide
1039     */
1040    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1041    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
1042
1043    /**
1044     * Activity Action: Show pairing settings.
1045     * <p>
1046     * In some cases, a matching Activity may not exist, so ensure you safeguard
1047     * against this.
1048     *
1049     * @hide
1050     */
1051    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1052    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
1053
1054    /**
1055     * Activity Action: Show battery saver settings.
1056     * <p>
1057     * In some cases, a matching Activity may not exist, so ensure you safeguard
1058     * against this.
1059     */
1060    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1061    public static final String ACTION_BATTERY_SAVER_SETTINGS
1062            = "android.settings.BATTERY_SAVER_SETTINGS";
1063
1064    /**
1065     * Activity Action: Modify Battery Saver mode setting using a voice command.
1066     * <p>
1067     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1068     * <p>
1069     * This intent MUST be started using
1070     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1071     * startVoiceActivity}.
1072     * <p>
1073     * Note: The activity implementing this intent MUST verify that
1074     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
1075     * modifying the setting.
1076     * <p>
1077     * Input: To tell which state batter saver mode should be set to, add the
1078     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
1079     * If the extra is not included, no changes will be made.
1080     * <p>
1081     * Output: Nothing.
1082     */
1083    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1084    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1085            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1086
1087    /**
1088     * Activity Action: Show Home selection settings. If there are multiple activities
1089     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1090     * to pick your preferred activity.
1091     */
1092    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1093    public static final String ACTION_HOME_SETTINGS
1094            = "android.settings.HOME_SETTINGS";
1095
1096
1097
1098    /**
1099     * Activity Action: Show Default apps settings.
1100     * <p>
1101     * In some cases, a matching Activity may not exist, so ensure you
1102     * safeguard against this.
1103     * <p>
1104     * Input: Nothing.
1105     * <p>
1106     * Output: Nothing.
1107     */
1108    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1109    public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
1110            = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
1111
1112    /**
1113     * Activity Action: Show notification settings.
1114     *
1115     * @hide
1116     */
1117    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1118    public static final String ACTION_NOTIFICATION_SETTINGS
1119            = "android.settings.NOTIFICATION_SETTINGS";
1120
1121    /**
1122     * Activity Action: Show notification settings for a single app.
1123     *
1124     * @hide
1125     */
1126    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1127    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1128            = "android.settings.APP_NOTIFICATION_SETTINGS";
1129
1130    /**
1131     * Activity Action: Show notification redaction settings.
1132     *
1133     * @hide
1134     */
1135    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1136    public static final String ACTION_APP_NOTIFICATION_REDACTION
1137            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1138
1139    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1140    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1141
1142    // End of Intent actions for Settings
1143
1144    /**
1145     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1146     */
1147    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1148
1149    /**
1150     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1151     */
1152    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1153
1154    /**
1155     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1156     */
1157    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1158
1159    /**
1160     * @hide - User handle argument extra to the fast-path call()-based requests
1161     */
1162    public static final String CALL_METHOD_USER_KEY = "_user";
1163
1164    /** @hide - Private call() method to write to 'system' table */
1165    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1166
1167    /** @hide - Private call() method to write to 'secure' table */
1168    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1169
1170    /** @hide - Private call() method to write to 'global' table */
1171    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1172
1173    /**
1174     * Activity Extra: Limit available options in launched activity based on the given authority.
1175     * <p>
1176     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1177     * provider's authorities as a String[]. This field is used by some intents to alter the
1178     * behavior of the called activity.
1179     * <p>
1180     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1181     * on the authority given.
1182     */
1183    public static final String EXTRA_AUTHORITIES = "authorities";
1184
1185    /**
1186     * Activity Extra: Limit available options in launched activity based on the given account
1187     * types.
1188     * <p>
1189     * This can be passed as an extra field in an Activity Intent with one or more account types
1190     * as a String[]. This field is used by some intents to alter the behavior of the called
1191     * activity.
1192     * <p>
1193     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1194     * list.
1195     */
1196    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1197
1198    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1199
1200    /**
1201     * Activity Extra: The device identifier to act upon.
1202     * <p>
1203     * This can be passed as an extra field in an Activity Intent with a single
1204     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1205     * settings for the given device.
1206     * <p>
1207     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1208     * dialog for the given device.
1209     * @hide
1210     */
1211    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1212
1213    /**
1214     * Activity Extra: Enable or disable Airplane Mode.
1215     * <p>
1216     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1217     * intent as a boolean to indicate if it should be enabled.
1218     */
1219    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1220
1221    /**
1222     * Activity Extra: Enable or disable Battery saver mode.
1223     * <p>
1224     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1225     * intent as a boolean to indicate if it should be enabled.
1226     */
1227    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1228            "android.settings.extra.battery_saver_mode_enabled";
1229
1230    /**
1231     * Activity Extra: Enable or disable Do Not Disturb mode.
1232     * <p>
1233     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1234     * intent as a boolean to indicate if it should be enabled.
1235     */
1236    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1237            "android.settings.extra.do_not_disturb_mode_enabled";
1238
1239    /**
1240     * Activity Extra: How many minutes to enable do not disturb mode for.
1241     * <p>
1242     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1243     * intent to indicate how long do not disturb mode should be enabled for.
1244     */
1245    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1246            "android.settings.extra.do_not_disturb_mode_minutes";
1247
1248    private static final String JID_RESOURCE_PREFIX = "android";
1249
1250    public static final String AUTHORITY = "settings";
1251
1252    private static final String TAG = "Settings";
1253    private static final boolean LOCAL_LOGV = false;
1254
1255    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1256    // with a partial enable/disable state in multi-threaded situations.
1257    private static final Object mLocationSettingsLock = new Object();
1258
1259    public static class SettingNotFoundException extends AndroidException {
1260        public SettingNotFoundException(String msg) {
1261            super(msg);
1262        }
1263    }
1264
1265    /**
1266     * Common base for tables of name/value settings.
1267     */
1268    public static class NameValueTable implements BaseColumns {
1269        public static final String NAME = "name";
1270        public static final String VALUE = "value";
1271
1272        protected static boolean putString(ContentResolver resolver, Uri uri,
1273                String name, String value) {
1274            // The database will take care of replacing duplicates.
1275            try {
1276                ContentValues values = new ContentValues();
1277                values.put(NAME, name);
1278                values.put(VALUE, value);
1279                resolver.insert(uri, values);
1280                return true;
1281            } catch (SQLException e) {
1282                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1283                return false;
1284            }
1285        }
1286
1287        public static Uri getUriFor(Uri uri, String name) {
1288            return Uri.withAppendedPath(uri, name);
1289        }
1290    }
1291
1292    // Thread-safe.
1293    private static class NameValueCache {
1294        private final String mVersionSystemProperty;
1295        private final Uri mUri;
1296
1297        private static final String[] SELECT_VALUE =
1298            new String[] { Settings.NameValueTable.VALUE };
1299        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1300
1301        // Must synchronize on 'this' to access mValues and mValuesVersion.
1302        private final HashMap<String, String> mValues = new HashMap<String, String>();
1303        private long mValuesVersion = 0;
1304
1305        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1306        private IContentProvider mContentProvider = null;
1307
1308        // The method we'll call (or null, to not use) on the provider
1309        // for the fast path of retrieving settings.
1310        private final String mCallGetCommand;
1311        private final String mCallSetCommand;
1312
1313        public NameValueCache(String versionSystemProperty, Uri uri,
1314                String getCommand, String setCommand) {
1315            mVersionSystemProperty = versionSystemProperty;
1316            mUri = uri;
1317            mCallGetCommand = getCommand;
1318            mCallSetCommand = setCommand;
1319        }
1320
1321        private IContentProvider lazyGetProvider(ContentResolver cr) {
1322            IContentProvider cp = null;
1323            synchronized (this) {
1324                cp = mContentProvider;
1325                if (cp == null) {
1326                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1327                }
1328            }
1329            return cp;
1330        }
1331
1332        public boolean putStringForUser(ContentResolver cr, String name, String value,
1333                final int userHandle) {
1334            try {
1335                Bundle arg = new Bundle();
1336                arg.putString(Settings.NameValueTable.VALUE, value);
1337                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1338                IContentProvider cp = lazyGetProvider(cr);
1339                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1340            } catch (RemoteException e) {
1341                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1342                return false;
1343            }
1344            return true;
1345        }
1346
1347        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1348            final boolean isSelf = (userHandle == UserHandle.myUserId());
1349            if (isSelf) {
1350                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1351
1352                // Our own user's settings data uses a client-side cache
1353                synchronized (this) {
1354                    if (mValuesVersion != newValuesVersion) {
1355                        if (LOCAL_LOGV || false) {
1356                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1357                                    + newValuesVersion + " != cached " + mValuesVersion);
1358                        }
1359
1360                        mValues.clear();
1361                        mValuesVersion = newValuesVersion;
1362                    }
1363
1364                    if (mValues.containsKey(name)) {
1365                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1366                    }
1367                }
1368            } else {
1369                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1370                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1371            }
1372
1373            IContentProvider cp = lazyGetProvider(cr);
1374
1375            // Try the fast path first, not using query().  If this
1376            // fails (alternate Settings provider that doesn't support
1377            // this interface?) then we fall back to the query/table
1378            // interface.
1379            if (mCallGetCommand != null) {
1380                try {
1381                    Bundle args = null;
1382                    if (!isSelf) {
1383                        args = new Bundle();
1384                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1385                    }
1386                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1387                    if (b != null) {
1388                        String value = b.getPairValue();
1389                        // Don't update our cache for reads of other users' data
1390                        if (isSelf) {
1391                            synchronized (this) {
1392                                mValues.put(name, value);
1393                            }
1394                        } else {
1395                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1396                                    + " by " + UserHandle.myUserId()
1397                                    + " so not updating cache");
1398                        }
1399                        return value;
1400                    }
1401                    // If the response Bundle is null, we fall through
1402                    // to the query interface below.
1403                } catch (RemoteException e) {
1404                    // Not supported by the remote side?  Fall through
1405                    // to query().
1406                }
1407            }
1408
1409            Cursor c = null;
1410            try {
1411                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1412                             new String[]{name}, null, null);
1413                if (c == null) {
1414                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1415                    return null;
1416                }
1417
1418                String value = c.moveToNext() ? c.getString(0) : null;
1419                synchronized (this) {
1420                    mValues.put(name, value);
1421                }
1422                if (LOCAL_LOGV) {
1423                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1424                            name + " = " + (value == null ? "(null)" : value));
1425                }
1426                return value;
1427            } catch (RemoteException e) {
1428                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1429                return null;  // Return null, but don't cache it.
1430            } finally {
1431                if (c != null) c.close();
1432            }
1433        }
1434    }
1435
1436    /**
1437     * An app can use this method to check if it is currently allowed to draw on top of other
1438     * apps. In order to be allowed to do so, an app must first declare the
1439     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its manifest. If it
1440     * is currently disallowed, it can prompt the user to grant it this capability through a
1441     * management UI by sending an Intent with action
1442     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}.
1443     *
1444     * @param context A context
1445     * @return true if the calling app can draw on top of other apps, false otherwise.
1446     */
1447    public static boolean canDrawOverlays(Context context) {
1448        int uid = Binder.getCallingUid();
1449        return Settings.isCallingPackageAllowedToDrawOverlays(context, uid, Settings
1450                .getPackageNameForUid(context, uid), false);
1451    }
1452
1453    /**
1454     * System settings, containing miscellaneous system preferences.  This
1455     * table holds simple name/value pairs.  There are convenience
1456     * functions for accessing individual settings entries.
1457     */
1458    public static final class System extends NameValueTable {
1459        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1460
1461        /** @hide */
1462        public static interface Validator {
1463            public boolean validate(String value);
1464        }
1465
1466        /**
1467         * The content:// style URL for this table
1468         */
1469        public static final Uri CONTENT_URI =
1470            Uri.parse("content://" + AUTHORITY + "/system");
1471
1472        private static final NameValueCache sNameValueCache = new NameValueCache(
1473                SYS_PROP_SETTING_VERSION,
1474                CONTENT_URI,
1475                CALL_METHOD_GET_SYSTEM,
1476                CALL_METHOD_PUT_SYSTEM);
1477
1478        private static final HashSet<String> MOVED_TO_SECURE;
1479        static {
1480            MOVED_TO_SECURE = new HashSet<String>(30);
1481            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1482            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1483            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1484            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1485            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1486            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1487            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1488            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1489            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1490            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1491            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1492            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1493            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1494            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1495            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1496            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1497            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1498            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1499            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1500            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1501            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1502            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1503            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1504            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1505            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1506            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1507            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1508            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1509
1510            // At one time in System, then Global, but now back in Secure
1511            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1512        }
1513
1514        private static final HashSet<String> MOVED_TO_GLOBAL;
1515        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1516        static {
1517            MOVED_TO_GLOBAL = new HashSet<String>();
1518            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1519
1520            // these were originally in system but migrated to secure in the past,
1521            // so are duplicated in the Secure.* namespace
1522            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1523            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1524            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1525            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1526            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1527            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1528
1529            // these are moving directly from system to global
1530            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1531            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1532            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1533            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1534            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1535            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1536            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1537            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1538            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1539            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1540            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1541            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1542            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1543            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1544            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1545            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1546            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1547            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1548            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1549            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1550            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1551            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1552            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1553            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1554            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1555            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1556            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1557            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1558            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1559            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1560            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1561            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1562            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1563            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1564            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1565            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1566        }
1567
1568        private static final Validator sBooleanValidator =
1569                new DiscreteValueValidator(new String[] {"0", "1"});
1570
1571        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1572            @Override
1573            public boolean validate(String value) {
1574                try {
1575                    return Integer.parseInt(value) >= 0;
1576                } catch (NumberFormatException e) {
1577                    return false;
1578                }
1579            }
1580        };
1581
1582        private static final Validator sUriValidator = new Validator() {
1583            @Override
1584            public boolean validate(String value) {
1585                try {
1586                    Uri.decode(value);
1587                    return true;
1588                } catch (IllegalArgumentException e) {
1589                    return false;
1590                }
1591            }
1592        };
1593
1594        private static final Validator sLenientIpAddressValidator = new Validator() {
1595            private static final int MAX_IPV6_LENGTH = 45;
1596
1597            @Override
1598            public boolean validate(String value) {
1599                return value.length() <= MAX_IPV6_LENGTH;
1600            }
1601        };
1602
1603        /** @hide */
1604        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1605            outKeySet.addAll(MOVED_TO_GLOBAL);
1606            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1607        }
1608
1609        /** @hide */
1610        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1611            outKeySet.addAll(MOVED_TO_SECURE);
1612        }
1613
1614        /** @hide */
1615        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1616            outKeySet.addAll(MOVED_TO_GLOBAL);
1617        }
1618
1619        /**
1620         * Look up a name in the database.
1621         * @param resolver to access the database with
1622         * @param name to look up in the table
1623         * @return the corresponding value, or null if not present
1624         */
1625        public static String getString(ContentResolver resolver, String name) {
1626            return getStringForUser(resolver, name, UserHandle.myUserId());
1627        }
1628
1629        /** @hide */
1630        public static String getStringForUser(ContentResolver resolver, String name,
1631                int userHandle) {
1632            if (MOVED_TO_SECURE.contains(name)) {
1633                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1634                        + " to android.provider.Settings.Secure, returning read-only value.");
1635                return Secure.getStringForUser(resolver, name, userHandle);
1636            }
1637            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1638                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1639                        + " to android.provider.Settings.Global, returning read-only value.");
1640                return Global.getStringForUser(resolver, name, userHandle);
1641            }
1642            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1643        }
1644
1645        /**
1646         * Store a name/value pair into the database.
1647         * @param resolver to access the database with
1648         * @param name to store
1649         * @param value to associate with the name
1650         * @return true if the value was set, false on database errors
1651         */
1652        public static boolean putString(ContentResolver resolver, String name, String value) {
1653            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1654        }
1655
1656        /** @hide */
1657        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1658                int userHandle) {
1659            if (MOVED_TO_SECURE.contains(name)) {
1660                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1661                        + " to android.provider.Settings.Secure, value is unchanged.");
1662                return false;
1663            }
1664            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1665                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1666                        + " to android.provider.Settings.Global, value is unchanged.");
1667                return false;
1668            }
1669            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1670        }
1671
1672        /**
1673         * Construct the content URI for a particular name/value pair,
1674         * useful for monitoring changes with a ContentObserver.
1675         * @param name to look up in the table
1676         * @return the corresponding content URI, or null if not present
1677         */
1678        public static Uri getUriFor(String name) {
1679            if (MOVED_TO_SECURE.contains(name)) {
1680                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1681                    + " to android.provider.Settings.Secure, returning Secure URI.");
1682                return Secure.getUriFor(Secure.CONTENT_URI, name);
1683            }
1684            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1685                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1686                        + " to android.provider.Settings.Global, returning read-only global URI.");
1687                return Global.getUriFor(Global.CONTENT_URI, name);
1688            }
1689            return getUriFor(CONTENT_URI, name);
1690        }
1691
1692        /**
1693         * Convenience function for retrieving a single system settings value
1694         * as an integer.  Note that internally setting values are always
1695         * stored as strings; this function converts the string to an integer
1696         * for you.  The default value will be returned if the setting is
1697         * not defined or not an integer.
1698         *
1699         * @param cr The ContentResolver to access.
1700         * @param name The name of the setting to retrieve.
1701         * @param def Value to return if the setting is not defined.
1702         *
1703         * @return The setting's current value, or 'def' if it is not defined
1704         * or not a valid integer.
1705         */
1706        public static int getInt(ContentResolver cr, String name, int def) {
1707            return getIntForUser(cr, name, def, UserHandle.myUserId());
1708        }
1709
1710        /** @hide */
1711        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1712            String v = getStringForUser(cr, name, userHandle);
1713            try {
1714                return v != null ? Integer.parseInt(v) : def;
1715            } catch (NumberFormatException e) {
1716                return def;
1717            }
1718        }
1719
1720        /**
1721         * Convenience function for retrieving a single system settings value
1722         * as an integer.  Note that internally setting values are always
1723         * stored as strings; this function converts the string to an integer
1724         * for you.
1725         * <p>
1726         * This version does not take a default value.  If the setting has not
1727         * been set, or the string value is not a number,
1728         * it throws {@link SettingNotFoundException}.
1729         *
1730         * @param cr The ContentResolver to access.
1731         * @param name The name of the setting to retrieve.
1732         *
1733         * @throws SettingNotFoundException Thrown if a setting by the given
1734         * name can't be found or the setting value is not an integer.
1735         *
1736         * @return The setting's current value.
1737         */
1738        public static int getInt(ContentResolver cr, String name)
1739                throws SettingNotFoundException {
1740            return getIntForUser(cr, name, UserHandle.myUserId());
1741        }
1742
1743        /** @hide */
1744        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1745                throws SettingNotFoundException {
1746            String v = getStringForUser(cr, name, userHandle);
1747            try {
1748                return Integer.parseInt(v);
1749            } catch (NumberFormatException e) {
1750                throw new SettingNotFoundException(name);
1751            }
1752        }
1753
1754        /**
1755         * Convenience function for updating a single settings value as an
1756         * integer. This will either create a new entry in the table if the
1757         * given name does not exist, or modify the value of the existing row
1758         * with that name.  Note that internally setting values are always
1759         * stored as strings, so this function converts the given value to a
1760         * string before storing it.
1761         *
1762         * @param cr The ContentResolver to access.
1763         * @param name The name of the setting to modify.
1764         * @param value The new value for the setting.
1765         * @return true if the value was set, false on database errors
1766         */
1767        public static boolean putInt(ContentResolver cr, String name, int value) {
1768            return putIntForUser(cr, name, value, UserHandle.myUserId());
1769        }
1770
1771        /** @hide */
1772        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1773                int userHandle) {
1774            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1775        }
1776
1777        /**
1778         * Convenience function for retrieving a single system settings value
1779         * as a {@code long}.  Note that internally setting values are always
1780         * stored as strings; this function converts the string to a {@code long}
1781         * for you.  The default value will be returned if the setting is
1782         * not defined or not a {@code long}.
1783         *
1784         * @param cr The ContentResolver to access.
1785         * @param name The name of the setting to retrieve.
1786         * @param def Value to return if the setting is not defined.
1787         *
1788         * @return The setting's current value, or 'def' if it is not defined
1789         * or not a valid {@code long}.
1790         */
1791        public static long getLong(ContentResolver cr, String name, long def) {
1792            return getLongForUser(cr, name, def, UserHandle.myUserId());
1793        }
1794
1795        /** @hide */
1796        public static long getLongForUser(ContentResolver cr, String name, long def,
1797                int userHandle) {
1798            String valString = getStringForUser(cr, name, userHandle);
1799            long value;
1800            try {
1801                value = valString != null ? Long.parseLong(valString) : def;
1802            } catch (NumberFormatException e) {
1803                value = def;
1804            }
1805            return value;
1806        }
1807
1808        /**
1809         * Convenience function for retrieving a single system settings value
1810         * as a {@code long}.  Note that internally setting values are always
1811         * stored as strings; this function converts the string to a {@code long}
1812         * for you.
1813         * <p>
1814         * This version does not take a default value.  If the setting has not
1815         * been set, or the string value is not a number,
1816         * it throws {@link SettingNotFoundException}.
1817         *
1818         * @param cr The ContentResolver to access.
1819         * @param name The name of the setting to retrieve.
1820         *
1821         * @return The setting's current value.
1822         * @throws SettingNotFoundException Thrown if a setting by the given
1823         * name can't be found or the setting value is not an integer.
1824         */
1825        public static long getLong(ContentResolver cr, String name)
1826                throws SettingNotFoundException {
1827            return getLongForUser(cr, name, UserHandle.myUserId());
1828        }
1829
1830        /** @hide */
1831        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1832                throws SettingNotFoundException {
1833            String valString = getStringForUser(cr, name, userHandle);
1834            try {
1835                return Long.parseLong(valString);
1836            } catch (NumberFormatException e) {
1837                throw new SettingNotFoundException(name);
1838            }
1839        }
1840
1841        /**
1842         * Convenience function for updating a single settings value as a long
1843         * integer. This will either create a new entry in the table if the
1844         * given name does not exist, or modify the value of the existing row
1845         * with that name.  Note that internally setting values are always
1846         * stored as strings, so this function converts the given value to a
1847         * string before storing it.
1848         *
1849         * @param cr The ContentResolver to access.
1850         * @param name The name of the setting to modify.
1851         * @param value The new value for the setting.
1852         * @return true if the value was set, false on database errors
1853         */
1854        public static boolean putLong(ContentResolver cr, String name, long value) {
1855            return putLongForUser(cr, name, value, UserHandle.myUserId());
1856        }
1857
1858        /** @hide */
1859        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1860                int userHandle) {
1861            return putStringForUser(cr, name, Long.toString(value), userHandle);
1862        }
1863
1864        /**
1865         * Convenience function for retrieving a single system settings value
1866         * as a floating point number.  Note that internally setting values are
1867         * always stored as strings; this function converts the string to an
1868         * float for you. The default value will be returned if the setting
1869         * is not defined or not a valid float.
1870         *
1871         * @param cr The ContentResolver to access.
1872         * @param name The name of the setting to retrieve.
1873         * @param def Value to return if the setting is not defined.
1874         *
1875         * @return The setting's current value, or 'def' if it is not defined
1876         * or not a valid float.
1877         */
1878        public static float getFloat(ContentResolver cr, String name, float def) {
1879            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1880        }
1881
1882        /** @hide */
1883        public static float getFloatForUser(ContentResolver cr, String name, float def,
1884                int userHandle) {
1885            String v = getStringForUser(cr, name, userHandle);
1886            try {
1887                return v != null ? Float.parseFloat(v) : def;
1888            } catch (NumberFormatException e) {
1889                return def;
1890            }
1891        }
1892
1893        /**
1894         * Convenience function for retrieving a single system settings value
1895         * as a float.  Note that internally setting values are always
1896         * stored as strings; this function converts the string to a float
1897         * for you.
1898         * <p>
1899         * This version does not take a default value.  If the setting has not
1900         * been set, or the string value is not a number,
1901         * it throws {@link SettingNotFoundException}.
1902         *
1903         * @param cr The ContentResolver to access.
1904         * @param name The name of the setting to retrieve.
1905         *
1906         * @throws SettingNotFoundException Thrown if a setting by the given
1907         * name can't be found or the setting value is not a float.
1908         *
1909         * @return The setting's current value.
1910         */
1911        public static float getFloat(ContentResolver cr, String name)
1912                throws SettingNotFoundException {
1913            return getFloatForUser(cr, name, UserHandle.myUserId());
1914        }
1915
1916        /** @hide */
1917        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1918                throws SettingNotFoundException {
1919            String v = getStringForUser(cr, name, userHandle);
1920            if (v == null) {
1921                throw new SettingNotFoundException(name);
1922            }
1923            try {
1924                return Float.parseFloat(v);
1925            } catch (NumberFormatException e) {
1926                throw new SettingNotFoundException(name);
1927            }
1928        }
1929
1930        /**
1931         * Convenience function for updating a single settings value as a
1932         * floating point number. This will either create a new entry in the
1933         * table if the given name does not exist, or modify the value of the
1934         * existing row with that name.  Note that internally setting values
1935         * are always stored as strings, so this function converts the given
1936         * value to a string before storing it.
1937         *
1938         * @param cr The ContentResolver to access.
1939         * @param name The name of the setting to modify.
1940         * @param value The new value for the setting.
1941         * @return true if the value was set, false on database errors
1942         */
1943        public static boolean putFloat(ContentResolver cr, String name, float value) {
1944            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1945        }
1946
1947        /** @hide */
1948        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1949                int userHandle) {
1950            return putStringForUser(cr, name, Float.toString(value), userHandle);
1951        }
1952
1953        /**
1954         * Convenience function to read all of the current
1955         * configuration-related settings into a
1956         * {@link Configuration} object.
1957         *
1958         * @param cr The ContentResolver to access.
1959         * @param outConfig Where to place the configuration settings.
1960         */
1961        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1962            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1963        }
1964
1965        /** @hide */
1966        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1967                int userHandle) {
1968            outConfig.fontScale = Settings.System.getFloatForUser(
1969                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1970            if (outConfig.fontScale < 0) {
1971                outConfig.fontScale = 1;
1972            }
1973        }
1974
1975        /**
1976         * @hide Erase the fields in the Configuration that should be applied
1977         * by the settings.
1978         */
1979        public static void clearConfiguration(Configuration inoutConfig) {
1980            inoutConfig.fontScale = 0;
1981        }
1982
1983        /**
1984         * Convenience function to write a batch of configuration-related
1985         * settings from a {@link Configuration} object.
1986         *
1987         * @param cr The ContentResolver to access.
1988         * @param config The settings to write.
1989         * @return true if the values were set, false on database errors
1990         */
1991        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1992            return putConfigurationForUser(cr, config, UserHandle.myUserId());
1993        }
1994
1995        /** @hide */
1996        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
1997                int userHandle) {
1998            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
1999        }
2000
2001        /** @hide */
2002        public static boolean hasInterestingConfigurationChanges(int changes) {
2003            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
2004        }
2005
2006        /** @deprecated - Do not use */
2007        @Deprecated
2008        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2009            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2010        }
2011
2012        /**
2013         * @hide
2014         * @deprecated - Do not use
2015         */
2016        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2017                int userHandle) {
2018            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2019        }
2020
2021        /** @deprecated - Do not use */
2022        @Deprecated
2023        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2024            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2025        }
2026
2027        /**
2028         * @hide
2029         * @deprecated - Do not use
2030         */
2031        @Deprecated
2032        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2033                int userHandle) {
2034            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2035        }
2036
2037        private static final class DiscreteValueValidator implements Validator {
2038            private final String[] mValues;
2039
2040            public DiscreteValueValidator(String[] values) {
2041                mValues = values;
2042            }
2043
2044            @Override
2045            public boolean validate(String value) {
2046                return ArrayUtils.contains(mValues, value);
2047            }
2048        }
2049
2050        private static final class InclusiveIntegerRangeValidator implements Validator {
2051            private final int mMin;
2052            private final int mMax;
2053
2054            public InclusiveIntegerRangeValidator(int min, int max) {
2055                mMin = min;
2056                mMax = max;
2057            }
2058
2059            @Override
2060            public boolean validate(String value) {
2061                try {
2062                    final int intValue = Integer.parseInt(value);
2063                    return intValue >= mMin && intValue <= mMax;
2064                } catch (NumberFormatException e) {
2065                    return false;
2066                }
2067            }
2068        }
2069
2070        private static final class InclusiveFloatRangeValidator implements Validator {
2071            private final float mMin;
2072            private final float mMax;
2073
2074            public InclusiveFloatRangeValidator(float min, float max) {
2075                mMin = min;
2076                mMax = max;
2077            }
2078
2079            @Override
2080            public boolean validate(String value) {
2081                try {
2082                    final float floatValue = Float.parseFloat(value);
2083                    return floatValue >= mMin && floatValue <= mMax;
2084                } catch (NumberFormatException e) {
2085                    return false;
2086                }
2087            }
2088        }
2089
2090        /**
2091         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2092         */
2093        @Deprecated
2094        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2095
2096        /**
2097         * What happens when the user presses the end call button if they're not
2098         * on a call.<br/>
2099         * <b>Values:</b><br/>
2100         * 0 - The end button does nothing.<br/>
2101         * 1 - The end button goes to the home screen.<br/>
2102         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2103         * 3 - The end button goes to the home screen.  If the user is already on the
2104         * home screen, it puts the device to sleep.
2105         */
2106        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2107
2108        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2109                new InclusiveIntegerRangeValidator(0, 3);
2110
2111        /**
2112         * END_BUTTON_BEHAVIOR value for "go home".
2113         * @hide
2114         */
2115        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2116
2117        /**
2118         * END_BUTTON_BEHAVIOR value for "go to sleep".
2119         * @hide
2120         */
2121        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2122
2123        /**
2124         * END_BUTTON_BEHAVIOR default value.
2125         * @hide
2126         */
2127        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2128
2129        /**
2130         * Is advanced settings mode turned on. 0 == no, 1 == yes
2131         * @hide
2132         */
2133        public static final String ADVANCED_SETTINGS = "advanced_settings";
2134
2135        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2136
2137        /**
2138         * ADVANCED_SETTINGS default value.
2139         * @hide
2140         */
2141        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2142
2143        /**
2144         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2145         */
2146        @Deprecated
2147        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2148
2149        /**
2150         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2151         */
2152        @Deprecated
2153        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2154
2155        /**
2156         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2157         */
2158        @Deprecated
2159        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2160
2161        /**
2162         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2163         * {@hide}
2164         */
2165        @Deprecated
2166        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2167
2168        /**
2169         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2170         */
2171        @Deprecated
2172        public static final String RADIO_CELL = Global.RADIO_CELL;
2173
2174        /**
2175         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2176         */
2177        @Deprecated
2178        public static final String RADIO_NFC = Global.RADIO_NFC;
2179
2180        /**
2181         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2182         */
2183        @Deprecated
2184        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2185
2186        /**
2187         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2188         *
2189         * {@hide}
2190         */
2191        @Deprecated
2192        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2193                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2194
2195        /**
2196         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2197         */
2198        @Deprecated
2199        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2200
2201        /**
2202         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2203         */
2204        @Deprecated
2205        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2206
2207        /**
2208         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2209         */
2210        @Deprecated
2211        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2212                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2213
2214        /**
2215         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2216         */
2217        @Deprecated
2218        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2219
2220        /**
2221         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2222         */
2223        @Deprecated
2224        public static final String MODE_RINGER = Global.MODE_RINGER;
2225
2226        /**
2227         * Whether to use static IP and other static network attributes.
2228         * <p>
2229         * Set to 1 for true and 0 for false.
2230         *
2231         * @deprecated Use {@link WifiManager} instead
2232         */
2233        @Deprecated
2234        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2235
2236        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2237
2238        /**
2239         * The static IP address.
2240         * <p>
2241         * Example: "192.168.1.51"
2242         *
2243         * @deprecated Use {@link WifiManager} instead
2244         */
2245        @Deprecated
2246        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2247
2248        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2249
2250        /**
2251         * If using static IP, the gateway's IP address.
2252         * <p>
2253         * Example: "192.168.1.1"
2254         *
2255         * @deprecated Use {@link WifiManager} instead
2256         */
2257        @Deprecated
2258        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2259
2260        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2261
2262        /**
2263         * If using static IP, the net mask.
2264         * <p>
2265         * Example: "255.255.255.0"
2266         *
2267         * @deprecated Use {@link WifiManager} instead
2268         */
2269        @Deprecated
2270        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2271
2272        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2273
2274        /**
2275         * If using static IP, the primary DNS's IP address.
2276         * <p>
2277         * Example: "192.168.1.1"
2278         *
2279         * @deprecated Use {@link WifiManager} instead
2280         */
2281        @Deprecated
2282        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2283
2284        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2285
2286        /**
2287         * If using static IP, the secondary DNS's IP address.
2288         * <p>
2289         * Example: "192.168.1.2"
2290         *
2291         * @deprecated Use {@link WifiManager} instead
2292         */
2293        @Deprecated
2294        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2295
2296        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2297
2298        /**
2299         * Determines whether remote devices may discover and/or connect to
2300         * this device.
2301         * <P>Type: INT</P>
2302         * 2 -- discoverable and connectable
2303         * 1 -- connectable but not discoverable
2304         * 0 -- neither connectable nor discoverable
2305         */
2306        public static final String BLUETOOTH_DISCOVERABILITY =
2307            "bluetooth_discoverability";
2308
2309        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2310                new InclusiveIntegerRangeValidator(0, 2);
2311
2312        /**
2313         * Bluetooth discoverability timeout.  If this value is nonzero, then
2314         * Bluetooth becomes discoverable for a certain number of seconds,
2315         * after which is becomes simply connectable.  The value is in seconds.
2316         */
2317        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2318            "bluetooth_discoverability_timeout";
2319
2320        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2321                sNonNegativeIntegerValidator;
2322
2323        /**
2324         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2325         * instead
2326         */
2327        @Deprecated
2328        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2329
2330        /**
2331         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2332         * instead
2333         */
2334        @Deprecated
2335        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2336
2337        /**
2338         * @deprecated Use
2339         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2340         * instead
2341         */
2342        @Deprecated
2343        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2344            "lock_pattern_tactile_feedback_enabled";
2345
2346        /**
2347         * A formatted string of the next alarm that is set, or the empty string
2348         * if there is no alarm set.
2349         *
2350         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2351         */
2352        @Deprecated
2353        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2354
2355        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2356            private static final int MAX_LENGTH = 1000;
2357
2358            @Override
2359            public boolean validate(String value) {
2360                // TODO: No idea what the correct format is.
2361                return value == null || value.length() < MAX_LENGTH;
2362            }
2363        };
2364
2365        /**
2366         * Scaling factor for fonts, float.
2367         */
2368        public static final String FONT_SCALE = "font_scale";
2369
2370        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2371            @Override
2372            public boolean validate(String value) {
2373                try {
2374                    return Float.parseFloat(value) >= 0;
2375                } catch (NumberFormatException e) {
2376                    return false;
2377                }
2378            }
2379        };
2380
2381        /**
2382         * Name of an application package to be debugged.
2383         *
2384         * @deprecated Use {@link Global#DEBUG_APP} instead
2385         */
2386        @Deprecated
2387        public static final String DEBUG_APP = Global.DEBUG_APP;
2388
2389        /**
2390         * If 1, when launching DEBUG_APP it will wait for the debugger before
2391         * starting user code.  If 0, it will run normally.
2392         *
2393         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2394         */
2395        @Deprecated
2396        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2397
2398        /**
2399         * Whether or not to dim the screen. 0=no  1=yes
2400         * @deprecated This setting is no longer used.
2401         */
2402        @Deprecated
2403        public static final String DIM_SCREEN = "dim_screen";
2404
2405        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2406
2407        /**
2408         * The amount of time in milliseconds before the device goes to sleep or begins
2409         * to dream after a period of inactivity.  This value is also known as the
2410         * user activity timeout period since the screen isn't necessarily turned off
2411         * when it expires.
2412         */
2413        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2414
2415        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2416
2417        /**
2418         * The screen backlight brightness between 0 and 255.
2419         */
2420        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2421
2422        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2423                new InclusiveIntegerRangeValidator(0, 255);
2424
2425        /**
2426         * Control whether to enable automatic brightness mode.
2427         */
2428        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2429
2430        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2431
2432        /**
2433         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2434         * or less (<0.0 >-1.0) bright.
2435         * @hide
2436         */
2437        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2438
2439        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2440                new InclusiveFloatRangeValidator(-1, 1);
2441
2442        /**
2443         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2444         */
2445        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2446
2447        /**
2448         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2449         */
2450        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2451
2452        /**
2453         * Control whether the process CPU usage meter should be shown.
2454         *
2455         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2456         */
2457        @Deprecated
2458        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2459
2460        /**
2461         * If 1, the activity manager will aggressively finish activities and
2462         * processes as soon as they are no longer needed.  If 0, the normal
2463         * extended lifetime is used.
2464         *
2465         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2466         */
2467        @Deprecated
2468        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2469
2470        /**
2471         * Determines which streams are affected by ringer mode changes. The
2472         * stream type's bit should be set to 1 if it should be muted when going
2473         * into an inaudible ringer mode.
2474         */
2475        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2476
2477        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2478                sNonNegativeIntegerValidator;
2479
2480        /**
2481          * Determines which streams are affected by mute. The
2482          * stream type's bit should be set to 1 if it should be muted when a mute request
2483          * is received.
2484          */
2485        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2486
2487        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2488                sNonNegativeIntegerValidator;
2489
2490        /**
2491         * Whether vibrate is on for different events. This is used internally,
2492         * changing this value will not change the vibrate. See AudioManager.
2493         */
2494        public static final String VIBRATE_ON = "vibrate_on";
2495
2496        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2497
2498        /**
2499         * If 1, redirects the system vibrator to all currently attached input devices
2500         * that support vibration.  If there are no such input devices, then the system
2501         * vibrator is used instead.
2502         * If 0, does not register the system vibrator.
2503         *
2504         * This setting is mainly intended to provide a compatibility mechanism for
2505         * applications that only know about the system vibrator and do not use the
2506         * input device vibrator API.
2507         *
2508         * @hide
2509         */
2510        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2511
2512        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2513
2514        /**
2515         * Ringer volume. This is used internally, changing this value will not
2516         * change the volume. See AudioManager.
2517         *
2518         * @removed Not used by anything since API 2.
2519         */
2520        public static final String VOLUME_RING = "volume_ring";
2521
2522        /**
2523         * System/notifications volume. This is used internally, changing this
2524         * value will not change the volume. See AudioManager.
2525         *
2526         * @removed Not used by anything since API 2.
2527         */
2528        public static final String VOLUME_SYSTEM = "volume_system";
2529
2530        /**
2531         * Voice call volume. This is used internally, changing this value will
2532         * not change the volume. See AudioManager.
2533         *
2534         * @removed Not used by anything since API 2.
2535         */
2536        public static final String VOLUME_VOICE = "volume_voice";
2537
2538        /**
2539         * Music/media/gaming volume. This is used internally, changing this
2540         * value will not change the volume. See AudioManager.
2541         *
2542         * @removed Not used by anything since API 2.
2543         */
2544        public static final String VOLUME_MUSIC = "volume_music";
2545
2546        /**
2547         * Alarm volume. This is used internally, changing this
2548         * value will not change the volume. See AudioManager.
2549         *
2550         * @removed Not used by anything since API 2.
2551         */
2552        public static final String VOLUME_ALARM = "volume_alarm";
2553
2554        /**
2555         * Notification volume. This is used internally, changing this
2556         * value will not change the volume. See AudioManager.
2557         *
2558         * @removed Not used by anything since API 2.
2559         */
2560        public static final String VOLUME_NOTIFICATION = "volume_notification";
2561
2562        /**
2563         * Bluetooth Headset volume. This is used internally, changing this value will
2564         * not change the volume. See AudioManager.
2565         *
2566         * @removed Not used by anything since API 2.
2567         */
2568        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2569
2570        /**
2571         * Master volume (float in the range 0.0f to 1.0f).
2572         *
2573         * @hide
2574         */
2575        public static final String VOLUME_MASTER = "volume_master";
2576
2577        /**
2578         * Master volume mute (int 1 = mute, 0 = not muted).
2579         *
2580         * @hide
2581         */
2582        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2583
2584        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2585
2586        /**
2587         * Microphone mute (int 1 = mute, 0 = not muted).
2588         *
2589         * @hide
2590         */
2591        public static final String MICROPHONE_MUTE = "microphone_mute";
2592
2593        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2594
2595        /**
2596         * Whether the notifications should use the ring volume (value of 1) or
2597         * a separate notification volume (value of 0). In most cases, users
2598         * will have this enabled so the notification and ringer volumes will be
2599         * the same. However, power users can disable this and use the separate
2600         * notification volume control.
2601         * <p>
2602         * Note: This is a one-off setting that will be removed in the future
2603         * when there is profile support. For this reason, it is kept hidden
2604         * from the public APIs.
2605         *
2606         * @hide
2607         * @deprecated
2608         */
2609        @Deprecated
2610        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2611            "notifications_use_ring_volume";
2612
2613        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2614
2615        /**
2616         * Whether silent mode should allow vibration feedback. This is used
2617         * internally in AudioService and the Sound settings activity to
2618         * coordinate decoupling of vibrate and silent modes. This setting
2619         * will likely be removed in a future release with support for
2620         * audio/vibe feedback profiles.
2621         *
2622         * Not used anymore. On devices with vibrator, the user explicitly selects
2623         * silent or vibrate mode.
2624         * Kept for use by legacy database upgrade code in DatabaseHelper.
2625         * @hide
2626         */
2627        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2628
2629        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2630
2631        /**
2632         * The mapping of stream type (integer) to its setting.
2633         *
2634         * @removed  Not used by anything since API 2.
2635         */
2636        public static final String[] VOLUME_SETTINGS = {
2637            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2638            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2639        };
2640
2641        /**
2642         * Appended to various volume related settings to record the previous
2643         * values before they the settings were affected by a silent/vibrate
2644         * ringer mode change.
2645         *
2646         * @removed  Not used by anything since API 2.
2647         */
2648        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2649
2650        /**
2651         * Persistent store for the system-wide default ringtone URI.
2652         * <p>
2653         * If you need to play the default ringtone at any given time, it is recommended
2654         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2655         * to the set default ringtone at the time of playing.
2656         *
2657         * @see #DEFAULT_RINGTONE_URI
2658         */
2659        public static final String RINGTONE = "ringtone";
2660
2661        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2662
2663        /**
2664         * A {@link Uri} that will point to the current default ringtone at any
2665         * given time.
2666         * <p>
2667         * If the current default ringtone is in the DRM provider and the caller
2668         * does not have permission, the exception will be a
2669         * FileNotFoundException.
2670         */
2671        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2672
2673        /**
2674         * Persistent store for the system-wide default notification sound.
2675         *
2676         * @see #RINGTONE
2677         * @see #DEFAULT_NOTIFICATION_URI
2678         */
2679        public static final String NOTIFICATION_SOUND = "notification_sound";
2680
2681        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2682
2683        /**
2684         * A {@link Uri} that will point to the current default notification
2685         * sound at any given time.
2686         *
2687         * @see #DEFAULT_RINGTONE_URI
2688         */
2689        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2690
2691        /**
2692         * Persistent store for the system-wide default alarm alert.
2693         *
2694         * @see #RINGTONE
2695         * @see #DEFAULT_ALARM_ALERT_URI
2696         */
2697        public static final String ALARM_ALERT = "alarm_alert";
2698
2699        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2700
2701        /**
2702         * A {@link Uri} that will point to the current default alarm alert at
2703         * any given time.
2704         *
2705         * @see #DEFAULT_ALARM_ALERT_URI
2706         */
2707        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2708
2709        /**
2710         * Persistent store for the system default media button event receiver.
2711         *
2712         * @hide
2713         */
2714        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2715
2716        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2717            @Override
2718            public boolean validate(String value) {
2719                try {
2720                    ComponentName.unflattenFromString(value);
2721                    return true;
2722                } catch (NullPointerException e) {
2723                    return false;
2724                }
2725            }
2726        };
2727
2728        /**
2729         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2730         */
2731        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2732
2733        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2734
2735        /**
2736         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2737         */
2738        public static final String TEXT_AUTO_CAPS = "auto_caps";
2739
2740        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2741
2742        /**
2743         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2744         * feature converts two spaces to a "." and space.
2745         */
2746        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2747
2748        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2749
2750        /**
2751         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2752         */
2753        public static final String TEXT_SHOW_PASSWORD = "show_password";
2754
2755        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2756
2757        public static final String SHOW_GTALK_SERVICE_STATUS =
2758                "SHOW_GTALK_SERVICE_STATUS";
2759
2760        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2761
2762        /**
2763         * Name of activity to use for wallpaper on the home screen.
2764         *
2765         * @deprecated Use {@link WallpaperManager} instead.
2766         */
2767        @Deprecated
2768        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2769
2770        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2771            private static final int MAX_LENGTH = 1000;
2772
2773            @Override
2774            public boolean validate(String value) {
2775                if (value != null && value.length() > MAX_LENGTH) {
2776                    return false;
2777                }
2778                return ComponentName.unflattenFromString(value) != null;
2779            }
2780        };
2781
2782        /**
2783         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2784         * instead
2785         */
2786        @Deprecated
2787        public static final String AUTO_TIME = Global.AUTO_TIME;
2788
2789        /**
2790         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2791         * instead
2792         */
2793        @Deprecated
2794        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2795
2796        /**
2797         * Display times as 12 or 24 hours
2798         *   12
2799         *   24
2800         */
2801        public static final String TIME_12_24 = "time_12_24";
2802
2803        /** @hide */
2804        public static final Validator TIME_12_24_VALIDATOR =
2805                new DiscreteValueValidator(new String[] {"12", "24"});
2806
2807        /**
2808         * Date format string
2809         *   mm/dd/yyyy
2810         *   dd/mm/yyyy
2811         *   yyyy/mm/dd
2812         */
2813        public static final String DATE_FORMAT = "date_format";
2814
2815        /** @hide */
2816        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2817            @Override
2818            public boolean validate(String value) {
2819                try {
2820                    new SimpleDateFormat(value);
2821                    return true;
2822                } catch (IllegalArgumentException e) {
2823                    return false;
2824                }
2825            }
2826        };
2827
2828        /**
2829         * Whether the setup wizard has been run before (on first boot), or if
2830         * it still needs to be run.
2831         *
2832         * nonzero = it has been run in the past
2833         * 0 = it has not been run in the past
2834         */
2835        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2836
2837        /** @hide */
2838        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2839
2840        /**
2841         * Scaling factor for normal window animations. Setting to 0 will disable window
2842         * animations.
2843         *
2844         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2845         */
2846        @Deprecated
2847        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2848
2849        /**
2850         * Scaling factor for activity transition animations. Setting to 0 will disable window
2851         * animations.
2852         *
2853         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2854         */
2855        @Deprecated
2856        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2857
2858        /**
2859         * Scaling factor for Animator-based animations. This affects both the start delay and
2860         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2861         * The default value is 1.
2862         *
2863         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2864         */
2865        @Deprecated
2866        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2867
2868        /**
2869         * Control whether the accelerometer will be used to change screen
2870         * orientation.  If 0, it will not be used unless explicitly requested
2871         * by the application; if 1, it will be used by default unless explicitly
2872         * disabled by the application.
2873         */
2874        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2875
2876        /** @hide */
2877        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2878
2879        /**
2880         * Default screen rotation when no other policy applies.
2881         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2882         * preference, this rotation value will be used. Must be one of the
2883         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2884         *
2885         * @see android.view.Display#getRotation
2886         */
2887        public static final String USER_ROTATION = "user_rotation";
2888
2889        /** @hide */
2890        public static final Validator USER_ROTATION_VALIDATOR =
2891                new InclusiveIntegerRangeValidator(0, 3);
2892
2893        /**
2894         * Control whether the rotation lock toggle in the System UI should be hidden.
2895         * Typically this is done for accessibility purposes to make it harder for
2896         * the user to accidentally toggle the rotation lock while the display rotation
2897         * has been locked for accessibility.
2898         *
2899         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2900         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2901         *
2902         * @hide
2903         */
2904        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2905                "hide_rotation_lock_toggle_for_accessibility";
2906
2907        /** @hide */
2908        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2909                sBooleanValidator;
2910
2911        /**
2912         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2913         * be used by Phone and Setting apps; it shouldn't affect other apps.
2914         * The value is boolean (1 or 0).
2915         *
2916         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2917         * It was about AudioManager's setting and thus affected all the applications which
2918         * relied on the setting, while this is purely about the vibration setting for incoming
2919         * calls.
2920         */
2921        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2922
2923        /** @hide */
2924        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2925
2926        /**
2927         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2928         * boolean (1 or 0).
2929         */
2930        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2931
2932        /** @hide */
2933        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2934
2935        /**
2936         * CDMA only settings
2937         * DTMF tone type played by the dialer when dialing.
2938         *                 0 = Normal
2939         *                 1 = Long
2940         */
2941        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2942
2943        /** @hide */
2944        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2945
2946        /**
2947         * Whether the hearing aid is enabled. The value is
2948         * boolean (1 or 0).
2949         * @hide
2950         */
2951        public static final String HEARING_AID = "hearing_aid";
2952
2953        /** @hide */
2954        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2955
2956        /**
2957         * CDMA only settings
2958         * TTY Mode
2959         * 0 = OFF
2960         * 1 = FULL
2961         * 2 = VCO
2962         * 3 = HCO
2963         * @hide
2964         */
2965        public static final String TTY_MODE = "tty_mode";
2966
2967        /** @hide */
2968        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2969
2970        /**
2971         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2972         * boolean (1 or 0).
2973         */
2974        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2975
2976        /** @hide */
2977        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
2978
2979        /**
2980         * Whether the haptic feedback (long presses, ...) are enabled. The value is
2981         * boolean (1 or 0).
2982         */
2983        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
2984
2985        /** @hide */
2986        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
2987
2988        /**
2989         * @deprecated Each application that shows web suggestions should have its own
2990         * setting for this.
2991         */
2992        @Deprecated
2993        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
2994
2995        /** @hide */
2996        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
2997
2998        /**
2999         * Whether the notification LED should repeatedly flash when a notification is
3000         * pending. The value is boolean (1 or 0).
3001         * @hide
3002         */
3003        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3004
3005        /** @hide */
3006        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3007
3008        /**
3009         * Show pointer location on screen?
3010         * 0 = no
3011         * 1 = yes
3012         * @hide
3013         */
3014        public static final String POINTER_LOCATION = "pointer_location";
3015
3016        /** @hide */
3017        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3018
3019        /**
3020         * Show touch positions on screen?
3021         * 0 = no
3022         * 1 = yes
3023         * @hide
3024         */
3025        public static final String SHOW_TOUCHES = "show_touches";
3026
3027        /** @hide */
3028        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3029
3030        /**
3031         * Log raw orientation data from
3032         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3033         * orientationplot.py tool.
3034         * 0 = no
3035         * 1 = yes
3036         * @hide
3037         */
3038        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3039                "window_orientation_listener_log";
3040
3041        /** @hide */
3042        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3043
3044        /**
3045         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3046         * instead
3047         * @hide
3048         */
3049        @Deprecated
3050        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3051
3052        /**
3053         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3054         * instead
3055         * @hide
3056         */
3057        @Deprecated
3058        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3059
3060        /**
3061         * Whether to play sounds when the keyguard is shown and dismissed.
3062         * @hide
3063         */
3064        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3065
3066        /** @hide */
3067        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3068
3069        /**
3070         * Whether the lockscreen should be completely disabled.
3071         * @hide
3072         */
3073        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3074
3075        /** @hide */
3076        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3077
3078        /**
3079         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3080         * instead
3081         * @hide
3082         */
3083        @Deprecated
3084        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3085
3086        /**
3087         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3088         * instead
3089         * @hide
3090         */
3091        @Deprecated
3092        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3093
3094        /**
3095         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3096         * instead
3097         * @hide
3098         */
3099        @Deprecated
3100        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3101
3102        /**
3103         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3104         * instead
3105         * @hide
3106         */
3107        @Deprecated
3108        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3109
3110        /**
3111         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3112         * instead
3113         * @hide
3114         */
3115        @Deprecated
3116        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3117
3118        /**
3119         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3120         * instead
3121         * @hide
3122         */
3123        @Deprecated
3124        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3125
3126        /**
3127         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3128         * instead
3129         * @hide
3130         */
3131        @Deprecated
3132        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3133
3134        /**
3135         * Receive incoming SIP calls?
3136         * 0 = no
3137         * 1 = yes
3138         * @hide
3139         */
3140        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3141
3142        /** @hide */
3143        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3144
3145        /**
3146         * Call Preference String.
3147         * "SIP_ALWAYS" : Always use SIP with network access
3148         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3149         * @hide
3150         */
3151        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3152
3153        /** @hide */
3154        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3155                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3156
3157        /**
3158         * One of the sip call options: Always use SIP with network access.
3159         * @hide
3160         */
3161        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3162
3163        /** @hide */
3164        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3165
3166        /**
3167         * One of the sip call options: Only if destination is a SIP address.
3168         * @hide
3169         */
3170        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3171
3172        /** @hide */
3173        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3174
3175        /**
3176         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3177         * the user should be prompted each time a call is made whether it should be placed using
3178         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3179         * SIP_ADDRESS_ONLY.
3180         * @hide
3181         */
3182        @Deprecated
3183        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3184
3185        /** @hide */
3186        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3187
3188        /**
3189         * Pointer speed setting.
3190         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3191         *   -7 = slowest
3192         *    0 = default speed
3193         *   +7 = fastest
3194         * @hide
3195         */
3196        public static final String POINTER_SPEED = "pointer_speed";
3197
3198        /** @hide */
3199        public static final Validator POINTER_SPEED_VALIDATOR =
3200                new InclusiveFloatRangeValidator(-7, 7);
3201
3202        /**
3203         * Whether lock-to-app will be triggered by long-press on recents.
3204         * @hide
3205         */
3206        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3207
3208        /** @hide */
3209        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3210
3211        /**
3212         * I am the lolrus.
3213         * <p>
3214         * Nonzero values indicate that the user has a bukkit.
3215         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3216         * @hide
3217         */
3218        public static final String EGG_MODE = "egg_mode";
3219
3220        /** @hide */
3221        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3222            @Override
3223            public boolean validate(String value) {
3224                try {
3225                    return Long.parseLong(value) >= 0;
3226                } catch (NumberFormatException e) {
3227                    return false;
3228                }
3229            }
3230        };
3231
3232        /**
3233         * IMPORTANT: If you add a new public settings you also have to add it to
3234         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3235         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3236         * the setting value. See an example above.
3237         */
3238
3239        /**
3240         * Settings to backup. This is here so that it's in the same place as the settings
3241         * keys and easy to update.
3242         *
3243         * NOTE: Settings are backed up and restored in the order they appear
3244         *       in this array. If you have one setting depending on another,
3245         *       make sure that they are ordered appropriately.
3246         *
3247         * @hide
3248         */
3249        public static final String[] SETTINGS_TO_BACKUP = {
3250            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3251            WIFI_USE_STATIC_IP,
3252            WIFI_STATIC_IP,
3253            WIFI_STATIC_GATEWAY,
3254            WIFI_STATIC_NETMASK,
3255            WIFI_STATIC_DNS1,
3256            WIFI_STATIC_DNS2,
3257            BLUETOOTH_DISCOVERABILITY,
3258            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3259            DIM_SCREEN,
3260            SCREEN_OFF_TIMEOUT,
3261            SCREEN_BRIGHTNESS,
3262            SCREEN_BRIGHTNESS_MODE,
3263            SCREEN_AUTO_BRIGHTNESS_ADJ,
3264            VIBRATE_INPUT_DEVICES,
3265            MODE_RINGER_STREAMS_AFFECTED,
3266            TEXT_AUTO_REPLACE,
3267            TEXT_AUTO_CAPS,
3268            TEXT_AUTO_PUNCTUATE,
3269            TEXT_SHOW_PASSWORD,
3270            AUTO_TIME,                  // moved to global
3271            AUTO_TIME_ZONE,             // moved to global
3272            TIME_12_24,
3273            DATE_FORMAT,
3274            DTMF_TONE_WHEN_DIALING,
3275            DTMF_TONE_TYPE_WHEN_DIALING,
3276            HEARING_AID,
3277            TTY_MODE,
3278            SOUND_EFFECTS_ENABLED,
3279            HAPTIC_FEEDBACK_ENABLED,
3280            POWER_SOUNDS_ENABLED,       // moved to global
3281            DOCK_SOUNDS_ENABLED,        // moved to global
3282            LOCKSCREEN_SOUNDS_ENABLED,
3283            SHOW_WEB_SUGGESTIONS,
3284            SIP_CALL_OPTIONS,
3285            SIP_RECEIVE_CALLS,
3286            POINTER_SPEED,
3287            VIBRATE_WHEN_RINGING,
3288            RINGTONE,
3289            LOCK_TO_APP_ENABLED,
3290            NOTIFICATION_SOUND
3291        };
3292
3293        /**
3294         * These are all public system settings
3295         *
3296         * @hide
3297         */
3298        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3299        static {
3300            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3301            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3302            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3303            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3304            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3305            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3306            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3307            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3308            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3309            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3310            PUBLIC_SETTINGS.add(FONT_SCALE);
3311            PUBLIC_SETTINGS.add(DIM_SCREEN);
3312            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3313            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3314            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3315            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3316            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3317            PUBLIC_SETTINGS.add(VIBRATE_ON);
3318            PUBLIC_SETTINGS.add(VOLUME_RING);
3319            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3320            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3321            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3322            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3323            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3324            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3325            PUBLIC_SETTINGS.add(RINGTONE);
3326            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3327            PUBLIC_SETTINGS.add(ALARM_ALERT);
3328            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3329            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3330            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3331            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3332            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3333            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3334            PUBLIC_SETTINGS.add(TIME_12_24);
3335            PUBLIC_SETTINGS.add(DATE_FORMAT);
3336            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3337            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3338            PUBLIC_SETTINGS.add(USER_ROTATION);
3339            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3340            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3341            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3342            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3343            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3344        }
3345
3346        /**
3347         * These are all hidden system settings.
3348         *
3349         * @hide
3350         */
3351        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3352        static {
3353            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3354            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3355            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3356            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3357            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3358            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3359            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3360            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3361            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3362            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3363            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3364            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3365            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3366            PRIVATE_SETTINGS.add(HEARING_AID);
3367            PRIVATE_SETTINGS.add(TTY_MODE);
3368            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3369            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3370            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3371            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3372            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3373            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3374            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3375            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3376            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3377            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3378            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3379            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3380            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3381            PRIVATE_SETTINGS.add(LOCK_SOUND);
3382            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3383            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3384            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3385            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3386            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3387            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3388            PRIVATE_SETTINGS.add(POINTER_SPEED);
3389            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3390            PRIVATE_SETTINGS.add(EGG_MODE);
3391        }
3392
3393        /**
3394         * These are all public system settings
3395         *
3396         * @hide
3397         */
3398        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3399        static {
3400            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3401            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3402            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3403            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3404                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3405            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3406            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3407            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3408            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3409            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3410            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3411            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3412            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3413            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3414            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3415            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3416            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3417            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3418            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3419            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3420            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3421            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3422            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3423            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3424            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3425            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3426            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3427            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3428            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3429            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3430            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3431            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3432            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3433            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3434            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3435            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3436            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3437            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3438            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3439            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3440            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3441            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3442            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3443                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3444            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3445            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3446            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3447            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3448            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3449            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3450            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3451            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3452                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3453            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3454            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3455            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3456            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3457            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3458            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3459            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3460            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3461            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3462            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3463            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3464            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3465            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3466            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3467            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3468        }
3469
3470        /**
3471         * These entries are considered common between the personal and the managed profile,
3472         * since the managed profile doesn't get to change them.
3473         */
3474        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3475        static {
3476            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3477            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3478            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3479            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3480            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3481        }
3482
3483        /** @hide */
3484        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3485            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3486        }
3487
3488        /**
3489         * When to use Wi-Fi calling
3490         *
3491         * @see android.telephony.TelephonyManager.WifiCallingChoices
3492         * @hide
3493         */
3494        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3495
3496        // Settings moved to Settings.Secure
3497
3498        /**
3499         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3500         * instead
3501         */
3502        @Deprecated
3503        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3504
3505        /**
3506         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3507         */
3508        @Deprecated
3509        public static final String ANDROID_ID = Secure.ANDROID_ID;
3510
3511        /**
3512         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3513         */
3514        @Deprecated
3515        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3516
3517        /**
3518         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3519         */
3520        @Deprecated
3521        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3522
3523        /**
3524         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3525         */
3526        @Deprecated
3527        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3528
3529        /**
3530         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3531         */
3532        @Deprecated
3533        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3534
3535        /**
3536         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3537         */
3538        @Deprecated
3539        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3540
3541        /**
3542         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3543         * instead
3544         */
3545        @Deprecated
3546        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3547
3548        /**
3549         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3550         */
3551        @Deprecated
3552        public static final String LOGGING_ID = Secure.LOGGING_ID;
3553
3554        /**
3555         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3556         */
3557        @Deprecated
3558        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3559
3560        /**
3561         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3562         * instead
3563         */
3564        @Deprecated
3565        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3566
3567        /**
3568         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3569         * instead
3570         */
3571        @Deprecated
3572        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3573
3574        /**
3575         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3576         * instead
3577         */
3578        @Deprecated
3579        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3580            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3581
3582        /**
3583         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3584         */
3585        @Deprecated
3586        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3587
3588        /**
3589         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3590         */
3591        @Deprecated
3592        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3593
3594        /**
3595         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3596         */
3597        @Deprecated
3598        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3599
3600       /**
3601         * @deprecated Use
3602         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3603         */
3604        @Deprecated
3605        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3606
3607        /**
3608         * @deprecated Use
3609         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3610         */
3611        @Deprecated
3612        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3613                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3614
3615        /**
3616         * @deprecated Use
3617         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3618         */
3619        @Deprecated
3620        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3621                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3622
3623        /**
3624         * @deprecated Use
3625         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3626         */
3627        @Deprecated
3628        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3629                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3630
3631        /**
3632         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3633         * instead
3634         */
3635        @Deprecated
3636        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3637
3638        /**
3639         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3640         */
3641        @Deprecated
3642        public static final String WIFI_ON = Global.WIFI_ON;
3643
3644        /**
3645         * @deprecated Use
3646         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3647         * instead
3648         */
3649        @Deprecated
3650        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3651                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3652
3653        /**
3654         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3655         */
3656        @Deprecated
3657        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3658
3659        /**
3660         * @deprecated Use
3661         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3662         */
3663        @Deprecated
3664        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3665                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3666
3667        /**
3668         * @deprecated Use
3669         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3670         */
3671        @Deprecated
3672        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3673                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3674
3675        /**
3676         * @deprecated Use
3677         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3678         * instead
3679         */
3680        @Deprecated
3681        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3682                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3683
3684        /**
3685         * @deprecated Use
3686         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3687         */
3688        @Deprecated
3689        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3690            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3691
3692        /**
3693         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3694         * instead
3695         */
3696        @Deprecated
3697        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3698
3699        /**
3700         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3701         */
3702        @Deprecated
3703        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3704
3705        /**
3706         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3707         */
3708        @Deprecated
3709        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3710
3711        /**
3712         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3713         * instead
3714         */
3715        @Deprecated
3716        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3717
3718        /**
3719         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3720         * instead
3721         */
3722        @Deprecated
3723        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3724            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3725
3726        /**
3727         * An app can use this method to check if it is currently allowed to write or modify system
3728         * settings. In order to gain write access to the system settings, an app must declare the
3729         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3730         * currently disallowed, it can prompt the user to grant it this capability through a
3731         * management UI by sending an Intent with action
3732         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3733         *
3734         * @param context A context
3735         * @return true if the calling app can write to system settings, false otherwise
3736         */
3737        public static boolean canWrite(Context context) {
3738            int uid = Binder.getCallingUid();
3739            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3740                    context, uid), false);
3741        }
3742    }
3743
3744    /**
3745     * Secure system settings, containing system preferences that applications
3746     * can read but are not allowed to write.  These are for preferences that
3747     * the user must explicitly modify through the system UI or specialized
3748     * APIs for those values, not modified directly by applications.
3749     */
3750    public static final class Secure extends NameValueTable {
3751        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3752
3753        /**
3754         * The content:// style URL for this table
3755         */
3756        public static final Uri CONTENT_URI =
3757            Uri.parse("content://" + AUTHORITY + "/secure");
3758
3759        // Populated lazily, guarded by class object:
3760        private static final NameValueCache sNameValueCache = new NameValueCache(
3761                SYS_PROP_SETTING_VERSION,
3762                CONTENT_URI,
3763                CALL_METHOD_GET_SECURE,
3764                CALL_METHOD_PUT_SECURE);
3765
3766        private static ILockSettings sLockSettings = null;
3767
3768        private static boolean sIsSystemProcess;
3769        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3770        private static final HashSet<String> MOVED_TO_GLOBAL;
3771        static {
3772            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3773            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3774            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3775            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3776
3777            MOVED_TO_GLOBAL = new HashSet<String>();
3778            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3779            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3780            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3781            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3782            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3783            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3784            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3785            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3786            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3787            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3788            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3789            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3790            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3791            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3792            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3793            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3794            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3795            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3796            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3797            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3798            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3799            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3800            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3801            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3802            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3803            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3804            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3805            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3806            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3807            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3808            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3809            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3810            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3811            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3812            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3813            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3814            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3815            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3816            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3817            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3818            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3819            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3820            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3821            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3822            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3823            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3824            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3825            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3826            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3827            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3828            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3829            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3830            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3831            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3832            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3833            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3834            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3835            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3836            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3837            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3838            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3839            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3840            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3841            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3842            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3843            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3844            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3845            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3846            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3847            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3848            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3849            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3850            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3851            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3852            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3853            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3854            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3855            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3856            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3857            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3858            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3859            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3860            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3861            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3862            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3863            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3864            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3865            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3866            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3867            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3868            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3869            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3870            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3871            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3872            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3873            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3874            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3875            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3876            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3877            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3878            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3879            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3880            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3881            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3882            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3883            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3884            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3885            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3886            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3887            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3888            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3889            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3890        }
3891
3892        /** @hide */
3893        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3894            outKeySet.addAll(MOVED_TO_GLOBAL);
3895        }
3896
3897        /**
3898         * Look up a name in the database.
3899         * @param resolver to access the database with
3900         * @param name to look up in the table
3901         * @return the corresponding value, or null if not present
3902         */
3903        public static String getString(ContentResolver resolver, String name) {
3904            return getStringForUser(resolver, name, UserHandle.myUserId());
3905        }
3906
3907        /** @hide */
3908        public static String getStringForUser(ContentResolver resolver, String name,
3909                int userHandle) {
3910            if (MOVED_TO_GLOBAL.contains(name)) {
3911                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3912                        + " to android.provider.Settings.Global.");
3913                return Global.getStringForUser(resolver, name, userHandle);
3914            }
3915
3916            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3917                synchronized (Secure.class) {
3918                    if (sLockSettings == null) {
3919                        sLockSettings = ILockSettings.Stub.asInterface(
3920                                (IBinder) ServiceManager.getService("lock_settings"));
3921                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3922                    }
3923                }
3924                if (sLockSettings != null && !sIsSystemProcess) {
3925                    // No context; use the ActivityThread's context as an approximation for
3926                    // determining the target API level.
3927                    Application application = ActivityThread.currentApplication();
3928
3929                    boolean isPreMnc = application != null
3930                            && application.getApplicationInfo() != null
3931                            && application.getApplicationInfo().targetSdkVersion
3932                            <= VERSION_CODES.LOLLIPOP_MR1;
3933                    if (isPreMnc) {
3934                        try {
3935                            return sLockSettings.getString(name, "0", userHandle);
3936                        } catch (RemoteException re) {
3937                            // Fall through
3938                        }
3939                    } else {
3940                        throw new SecurityException("Settings.Secure." + name
3941                                + " is deprecated and no longer accessible."
3942                                + " See API documentation for potential replacements.");
3943                    }
3944                }
3945            }
3946
3947            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3948        }
3949
3950        /**
3951         * Store a name/value pair into the database.
3952         * @param resolver to access the database with
3953         * @param name to store
3954         * @param value to associate with the name
3955         * @return true if the value was set, false on database errors
3956         */
3957        public static boolean putString(ContentResolver resolver, String name, String value) {
3958            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3959        }
3960
3961        /** @hide */
3962        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3963                int userHandle) {
3964            if (LOCATION_MODE.equals(name)) {
3965                // HACK ALERT: temporary hack to work around b/10491283.
3966                // TODO: once b/10491283 fixed, remove this hack
3967                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3968            }
3969            if (MOVED_TO_GLOBAL.contains(name)) {
3970                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3971                        + " to android.provider.Settings.Global");
3972                return Global.putStringForUser(resolver, name, value, userHandle);
3973            }
3974            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
3975        }
3976
3977        /**
3978         * Construct the content URI for a particular name/value pair,
3979         * useful for monitoring changes with a ContentObserver.
3980         * @param name to look up in the table
3981         * @return the corresponding content URI, or null if not present
3982         */
3983        public static Uri getUriFor(String name) {
3984            if (MOVED_TO_GLOBAL.contains(name)) {
3985                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3986                        + " to android.provider.Settings.Global, returning global URI.");
3987                return Global.getUriFor(Global.CONTENT_URI, name);
3988            }
3989            return getUriFor(CONTENT_URI, name);
3990        }
3991
3992        /**
3993         * Convenience function for retrieving a single secure settings value
3994         * as an integer.  Note that internally setting values are always
3995         * stored as strings; this function converts the string to an integer
3996         * for you.  The default value will be returned if the setting is
3997         * not defined or not an integer.
3998         *
3999         * @param cr The ContentResolver to access.
4000         * @param name The name of the setting to retrieve.
4001         * @param def Value to return if the setting is not defined.
4002         *
4003         * @return The setting's current value, or 'def' if it is not defined
4004         * or not a valid integer.
4005         */
4006        public static int getInt(ContentResolver cr, String name, int def) {
4007            return getIntForUser(cr, name, def, UserHandle.myUserId());
4008        }
4009
4010        /** @hide */
4011        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4012            if (LOCATION_MODE.equals(name)) {
4013                // HACK ALERT: temporary hack to work around b/10491283.
4014                // TODO: once b/10491283 fixed, remove this hack
4015                return getLocationModeForUser(cr, userHandle);
4016            }
4017            String v = getStringForUser(cr, name, userHandle);
4018            try {
4019                return v != null ? Integer.parseInt(v) : def;
4020            } catch (NumberFormatException e) {
4021                return def;
4022            }
4023        }
4024
4025        /**
4026         * Convenience function for retrieving a single secure settings value
4027         * as an integer.  Note that internally setting values are always
4028         * stored as strings; this function converts the string to an integer
4029         * for you.
4030         * <p>
4031         * This version does not take a default value.  If the setting has not
4032         * been set, or the string value is not a number,
4033         * it throws {@link SettingNotFoundException}.
4034         *
4035         * @param cr The ContentResolver to access.
4036         * @param name The name of the setting to retrieve.
4037         *
4038         * @throws SettingNotFoundException Thrown if a setting by the given
4039         * name can't be found or the setting value is not an integer.
4040         *
4041         * @return The setting's current value.
4042         */
4043        public static int getInt(ContentResolver cr, String name)
4044                throws SettingNotFoundException {
4045            return getIntForUser(cr, name, UserHandle.myUserId());
4046        }
4047
4048        /** @hide */
4049        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4050                throws SettingNotFoundException {
4051            if (LOCATION_MODE.equals(name)) {
4052                // HACK ALERT: temporary hack to work around b/10491283.
4053                // TODO: once b/10491283 fixed, remove this hack
4054                return getLocationModeForUser(cr, userHandle);
4055            }
4056            String v = getStringForUser(cr, name, userHandle);
4057            try {
4058                return Integer.parseInt(v);
4059            } catch (NumberFormatException e) {
4060                throw new SettingNotFoundException(name);
4061            }
4062        }
4063
4064        /**
4065         * Convenience function for updating a single settings value as an
4066         * integer. This will either create a new entry in the table if the
4067         * given name does not exist, or modify the value of the existing row
4068         * with that name.  Note that internally setting values are always
4069         * stored as strings, so this function converts the given value to a
4070         * string before storing it.
4071         *
4072         * @param cr The ContentResolver to access.
4073         * @param name The name of the setting to modify.
4074         * @param value The new value for the setting.
4075         * @return true if the value was set, false on database errors
4076         */
4077        public static boolean putInt(ContentResolver cr, String name, int value) {
4078            return putIntForUser(cr, name, value, UserHandle.myUserId());
4079        }
4080
4081        /** @hide */
4082        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4083                int userHandle) {
4084            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4085        }
4086
4087        /**
4088         * Convenience function for retrieving a single secure settings value
4089         * as a {@code long}.  Note that internally setting values are always
4090         * stored as strings; this function converts the string to a {@code long}
4091         * for you.  The default value will be returned if the setting is
4092         * not defined or not a {@code long}.
4093         *
4094         * @param cr The ContentResolver to access.
4095         * @param name The name of the setting to retrieve.
4096         * @param def Value to return if the setting is not defined.
4097         *
4098         * @return The setting's current value, or 'def' if it is not defined
4099         * or not a valid {@code long}.
4100         */
4101        public static long getLong(ContentResolver cr, String name, long def) {
4102            return getLongForUser(cr, name, def, UserHandle.myUserId());
4103        }
4104
4105        /** @hide */
4106        public static long getLongForUser(ContentResolver cr, String name, long def,
4107                int userHandle) {
4108            String valString = getStringForUser(cr, name, userHandle);
4109            long value;
4110            try {
4111                value = valString != null ? Long.parseLong(valString) : def;
4112            } catch (NumberFormatException e) {
4113                value = def;
4114            }
4115            return value;
4116        }
4117
4118        /**
4119         * Convenience function for retrieving a single secure settings value
4120         * as a {@code long}.  Note that internally setting values are always
4121         * stored as strings; this function converts the string to a {@code long}
4122         * for you.
4123         * <p>
4124         * This version does not take a default value.  If the setting has not
4125         * been set, or the string value is not a number,
4126         * it throws {@link SettingNotFoundException}.
4127         *
4128         * @param cr The ContentResolver to access.
4129         * @param name The name of the setting to retrieve.
4130         *
4131         * @return The setting's current value.
4132         * @throws SettingNotFoundException Thrown if a setting by the given
4133         * name can't be found or the setting value is not an integer.
4134         */
4135        public static long getLong(ContentResolver cr, String name)
4136                throws SettingNotFoundException {
4137            return getLongForUser(cr, name, UserHandle.myUserId());
4138        }
4139
4140        /** @hide */
4141        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4142                throws SettingNotFoundException {
4143            String valString = getStringForUser(cr, name, userHandle);
4144            try {
4145                return Long.parseLong(valString);
4146            } catch (NumberFormatException e) {
4147                throw new SettingNotFoundException(name);
4148            }
4149        }
4150
4151        /**
4152         * Convenience function for updating a secure settings value as a long
4153         * integer. This will either create a new entry in the table if the
4154         * given name does not exist, or modify the value of the existing row
4155         * with that name.  Note that internally setting values are always
4156         * stored as strings, so this function converts the given value to a
4157         * string before storing it.
4158         *
4159         * @param cr The ContentResolver to access.
4160         * @param name The name of the setting to modify.
4161         * @param value The new value for the setting.
4162         * @return true if the value was set, false on database errors
4163         */
4164        public static boolean putLong(ContentResolver cr, String name, long value) {
4165            return putLongForUser(cr, name, value, UserHandle.myUserId());
4166        }
4167
4168        /** @hide */
4169        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4170                int userHandle) {
4171            return putStringForUser(cr, name, Long.toString(value), userHandle);
4172        }
4173
4174        /**
4175         * Convenience function for retrieving a single secure settings value
4176         * as a floating point number.  Note that internally setting values are
4177         * always stored as strings; this function converts the string to an
4178         * float for you. The default value will be returned if the setting
4179         * is not defined or not a valid float.
4180         *
4181         * @param cr The ContentResolver to access.
4182         * @param name The name of the setting to retrieve.
4183         * @param def Value to return if the setting is not defined.
4184         *
4185         * @return The setting's current value, or 'def' if it is not defined
4186         * or not a valid float.
4187         */
4188        public static float getFloat(ContentResolver cr, String name, float def) {
4189            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4190        }
4191
4192        /** @hide */
4193        public static float getFloatForUser(ContentResolver cr, String name, float def,
4194                int userHandle) {
4195            String v = getStringForUser(cr, name, userHandle);
4196            try {
4197                return v != null ? Float.parseFloat(v) : def;
4198            } catch (NumberFormatException e) {
4199                return def;
4200            }
4201        }
4202
4203        /**
4204         * Convenience function for retrieving a single secure settings value
4205         * as a float.  Note that internally setting values are always
4206         * stored as strings; this function converts the string to a float
4207         * for you.
4208         * <p>
4209         * This version does not take a default value.  If the setting has not
4210         * been set, or the string value is not a number,
4211         * it throws {@link SettingNotFoundException}.
4212         *
4213         * @param cr The ContentResolver to access.
4214         * @param name The name of the setting to retrieve.
4215         *
4216         * @throws SettingNotFoundException Thrown if a setting by the given
4217         * name can't be found or the setting value is not a float.
4218         *
4219         * @return The setting's current value.
4220         */
4221        public static float getFloat(ContentResolver cr, String name)
4222                throws SettingNotFoundException {
4223            return getFloatForUser(cr, name, UserHandle.myUserId());
4224        }
4225
4226        /** @hide */
4227        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4228                throws SettingNotFoundException {
4229            String v = getStringForUser(cr, name, userHandle);
4230            if (v == null) {
4231                throw new SettingNotFoundException(name);
4232            }
4233            try {
4234                return Float.parseFloat(v);
4235            } catch (NumberFormatException e) {
4236                throw new SettingNotFoundException(name);
4237            }
4238        }
4239
4240        /**
4241         * Convenience function for updating a single settings value as a
4242         * floating point number. This will either create a new entry in the
4243         * table if the given name does not exist, or modify the value of the
4244         * existing row with that name.  Note that internally setting values
4245         * are always stored as strings, so this function converts the given
4246         * value to a string before storing it.
4247         *
4248         * @param cr The ContentResolver to access.
4249         * @param name The name of the setting to modify.
4250         * @param value The new value for the setting.
4251         * @return true if the value was set, false on database errors
4252         */
4253        public static boolean putFloat(ContentResolver cr, String name, float value) {
4254            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4255        }
4256
4257        /** @hide */
4258        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4259                int userHandle) {
4260            return putStringForUser(cr, name, Float.toString(value), userHandle);
4261        }
4262
4263        /**
4264         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4265         * instead
4266         */
4267        @Deprecated
4268        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4269                Global.DEVELOPMENT_SETTINGS_ENABLED;
4270
4271        /**
4272         * When the user has enable the option to have a "bug report" command
4273         * in the power menu.
4274         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4275         * @hide
4276         */
4277        @Deprecated
4278        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4279
4280        /**
4281         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4282         */
4283        @Deprecated
4284        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4285
4286        /**
4287         * Setting to allow mock locations and location provider status to be injected into the
4288         * LocationManager service for testing purposes during application development.  These
4289         * locations and status values  override actual location and status information generated
4290         * by network, gps, or other location providers.
4291         *
4292         * @deprecated This settings is not used anymore.
4293         */
4294        @Deprecated
4295        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4296
4297        /**
4298         * A 64-bit number (as a hex string) that is randomly
4299         * generated when the user first sets up the device and should remain
4300         * constant for the lifetime of the user's device. The value may
4301         * change if a factory reset is performed on the device.
4302         * <p class="note"><strong>Note:</strong> When a device has <a
4303         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4304         * (available on certain devices running Android 4.2 or higher), each user appears as a
4305         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4306         * user.</p>
4307         */
4308        public static final String ANDROID_ID = "android_id";
4309
4310        /**
4311         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4312         */
4313        @Deprecated
4314        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4315
4316        /**
4317         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4318         */
4319        @Deprecated
4320        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4321
4322        /**
4323         * Setting to record the input method used by default, holding the ID
4324         * of the desired method.
4325         */
4326        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4327
4328        /**
4329         * Setting to record the input method subtype used by default, holding the ID
4330         * of the desired method.
4331         */
4332        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4333                "selected_input_method_subtype";
4334
4335        /**
4336         * Setting to record the history of input method subtype, holding the pair of ID of IME
4337         * and its last used subtype.
4338         * @hide
4339         */
4340        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4341                "input_methods_subtype_history";
4342
4343        /**
4344         * Setting to record the visibility of input method selector
4345         */
4346        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4347                "input_method_selector_visibility";
4348
4349        /**
4350         * The currently selected voice interaction service flattened ComponentName.
4351         * @hide
4352         */
4353        @TestApi
4354        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4355
4356        /**
4357         * bluetooth HCI snoop log configuration
4358         * @hide
4359         */
4360        public static final String BLUETOOTH_HCI_LOG =
4361                "bluetooth_hci_log";
4362
4363        /**
4364         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4365         */
4366        @Deprecated
4367        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4368
4369        /**
4370         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4371         * @hide
4372         */
4373        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4374
4375        /**
4376         * List of input methods that are currently enabled.  This is a string
4377         * containing the IDs of all enabled input methods, each ID separated
4378         * by ':'.
4379         */
4380        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4381
4382        /**
4383         * List of system input methods that are currently disabled.  This is a string
4384         * containing the IDs of all disabled input methods, each ID separated
4385         * by ':'.
4386         * @hide
4387         */
4388        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4389
4390        /**
4391         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4392         * determines if the IME should be shown when a hard keyboard is attached.
4393         * @hide
4394         */
4395        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4396
4397        /**
4398         * Host name and port for global http proxy. Uses ':' seperator for
4399         * between host and port.
4400         *
4401         * @deprecated Use {@link Global#HTTP_PROXY}
4402         */
4403        @Deprecated
4404        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4405
4406        /**
4407         * Whether applications can be installed for this user via the system's
4408         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4409         *
4410         * <p>1 = permit app installation via the system package installer intent
4411         * <p>0 = do not allow use of the package installer
4412         */
4413        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4414
4415        /**
4416         * Comma-separated list of location providers that activities may access. Do not rely on
4417         * this value being present in settings.db or on ContentObserver notifications on the
4418         * corresponding Uri.
4419         *
4420         * @deprecated use {@link #LOCATION_MODE} and
4421         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4422         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4423         */
4424        @Deprecated
4425        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4426
4427        /**
4428         * The degree of location access enabled by the user.
4429         * <p>
4430         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4431         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4432         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4433         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4434         * modes that might be added in the future.
4435         * <p>
4436         * Note: do not rely on this value being present in settings.db or on ContentObserver
4437         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4438         * to receive changes in this value.
4439         */
4440        public static final String LOCATION_MODE = "location_mode";
4441        /**
4442         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4443         * {@link #LOCATION_MODE_OFF}
4444         * @hide
4445         */
4446        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4447
4448        /**
4449         * Sets all location providers to the previous states before location was turned off.
4450         * @hide
4451         */
4452        public static final int LOCATION_MODE_PREVIOUS = -1;
4453        /**
4454         * Location access disabled.
4455         */
4456        public static final int LOCATION_MODE_OFF = 0;
4457        /**
4458         * Network Location Provider disabled, but GPS and other sensors enabled.
4459         */
4460        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4461        /**
4462         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4463         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4464         * {@link android.location.Criteria#POWER_MEDIUM}.
4465         */
4466        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4467        /**
4468         * Best-effort location computation allowed.
4469         */
4470        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4471
4472        /**
4473         * A flag containing settings used for biometric weak
4474         * @hide
4475         */
4476        @Deprecated
4477        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4478                "lock_biometric_weak_flags";
4479
4480        /**
4481         * Whether lock-to-app will lock the keyguard when exiting.
4482         * @hide
4483         */
4484        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4485
4486        /**
4487         * Whether autolock is enabled (0 = false, 1 = true)
4488         *
4489         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4490         *             level of the keyguard. 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_ENABLED = "lock_pattern_autolock";
4495
4496        /**
4497         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4498         *
4499         * @deprecated Accessing this setting from an app that is targeting
4500         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4501         */
4502        @Deprecated
4503        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4504
4505        /**
4506         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4507         * true)
4508         *
4509         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4510         *             lockscreen uses
4511         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4512         *             Accessing this setting from an app that is targeting
4513         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4514         */
4515        @Deprecated
4516        public static final String
4517                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4518
4519        /**
4520         * This preference allows the device to be locked given time after screen goes off,
4521         * subject to current DeviceAdmin policy limits.
4522         * @hide
4523         */
4524        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4525
4526
4527        /**
4528         * This preference contains the string that shows for owner info on LockScreen.
4529         * @hide
4530         * @deprecated
4531         */
4532        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4533
4534        /**
4535         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4536         * @hide
4537         */
4538        @Deprecated
4539        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4540            "lock_screen_appwidget_ids";
4541
4542        /**
4543         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4544         * @hide
4545         */
4546        @Deprecated
4547        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4548            "lock_screen_fallback_appwidget_id";
4549
4550        /**
4551         * Index of the lockscreen appwidget to restore, -1 if none.
4552         * @hide
4553         */
4554        @Deprecated
4555        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4556            "lock_screen_sticky_appwidget";
4557
4558        /**
4559         * This preference enables showing the owner info on LockScreen.
4560         * @hide
4561         * @deprecated
4562         */
4563        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4564            "lock_screen_owner_info_enabled";
4565
4566        /**
4567         * When set by a user, allows notifications to be shown atop a securely locked screen
4568         * in their full "private" form (same as when the device is unlocked).
4569         * @hide
4570         */
4571        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4572                "lock_screen_allow_private_notifications";
4573
4574        /**
4575         * Set by the system to track if the user needs to see the call to action for
4576         * the lockscreen notification policy.
4577         * @hide
4578         */
4579        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4580                "show_note_about_notification_hiding";
4581
4582        /**
4583         * Set to 1 by the system after trust agents have been initialized.
4584         * @hide
4585         */
4586        public static final String TRUST_AGENTS_INITIALIZED =
4587                "trust_agents_initialized";
4588
4589        /**
4590         * The Logging ID (a unique 64-bit value) as a hex string.
4591         * Used as a pseudonymous identifier for logging.
4592         * @deprecated This identifier is poorly initialized and has
4593         * many collisions.  It should not be used.
4594         */
4595        @Deprecated
4596        public static final String LOGGING_ID = "logging_id";
4597
4598        /**
4599         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4600         */
4601        @Deprecated
4602        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4603
4604        /**
4605         * No longer supported.
4606         */
4607        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4608
4609        /**
4610         * No longer supported.
4611         */
4612        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4613
4614        /**
4615         * No longer supported.
4616         */
4617        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4618
4619        /**
4620         * Settings classname to launch when Settings is clicked from All
4621         * Applications.  Needed because of user testing between the old
4622         * and new Settings apps.
4623         */
4624        // TODO: 881807
4625        public static final String SETTINGS_CLASSNAME = "settings_classname";
4626
4627        /**
4628         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4629         */
4630        @Deprecated
4631        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4632
4633        /**
4634         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4635         */
4636        @Deprecated
4637        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4638
4639        /**
4640         * If accessibility is enabled.
4641         */
4642        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4643
4644        /**
4645         * If touch exploration is enabled.
4646         */
4647        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4648
4649        /**
4650         * List of the enabled accessibility providers.
4651         */
4652        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4653            "enabled_accessibility_services";
4654
4655        /**
4656         * List of the accessibility services to which the user has granted
4657         * permission to put the device into touch exploration mode.
4658         *
4659         * @hide
4660         */
4661        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4662            "touch_exploration_granted_accessibility_services";
4663
4664        /**
4665         * Whether to speak passwords while in accessibility mode.
4666         */
4667        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4668
4669        /**
4670         * Whether to draw text with high contrast while in accessibility mode.
4671         *
4672         * @hide
4673         */
4674        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4675                "high_text_contrast_enabled";
4676
4677        /**
4678         * If injection of accessibility enhancing JavaScript screen-reader
4679         * is enabled.
4680         * <p>
4681         *   Note: The JavaScript based screen-reader is served by the
4682         *   Google infrastructure and enable users with disabilities to
4683         *   efficiently navigate in and explore web content.
4684         * </p>
4685         * <p>
4686         *   This property represents a boolean value.
4687         * </p>
4688         * @hide
4689         */
4690        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4691            "accessibility_script_injection";
4692
4693        /**
4694         * The URL for the injected JavaScript based screen-reader used
4695         * for providing accessibility of content in WebView.
4696         * <p>
4697         *   Note: The JavaScript based screen-reader is served by the
4698         *   Google infrastructure and enable users with disabilities to
4699         *   efficiently navigate in and explore web content.
4700         * </p>
4701         * <p>
4702         *   This property represents a string value.
4703         * </p>
4704         * @hide
4705         */
4706        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4707            "accessibility_script_injection_url";
4708
4709        /**
4710         * Key bindings for navigation in built-in accessibility support for web content.
4711         * <p>
4712         *   Note: These key bindings are for the built-in accessibility navigation for
4713         *   web content which is used as a fall back solution if JavaScript in a WebView
4714         *   is not enabled or the user has not opted-in script injection from Google.
4715         * </p>
4716         * <p>
4717         *   The bindings are separated by semi-colon. A binding is a mapping from
4718         *   a key to a sequence of actions (for more details look at
4719         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4720         *   string representation of an integer obtained from a meta state (optional) shifted
4721         *   sixteen times left and bitwise ored with a key code. An action is represented
4722         *   as a hexademical string representation of an integer where the first two digits
4723         *   are navigation action index, the second, the third, and the fourth digit pairs
4724         *   represent the action arguments. The separate actions in a binding are colon
4725         *   separated. The key and the action sequence it maps to are separated by equals.
4726         * </p>
4727         * <p>
4728         *   For example, the binding below maps the DPAD right button to traverse the
4729         *   current navigation axis once without firing an accessibility event and to
4730         *   perform the same traversal again but to fire an event:
4731         *   <code>
4732         *     0x16=0x01000100:0x01000101;
4733         *   </code>
4734         * </p>
4735         * <p>
4736         *   The goal of this binding is to enable dynamic rebinding of keys to
4737         *   navigation actions for web content without requiring a framework change.
4738         * </p>
4739         * <p>
4740         *   This property represents a string value.
4741         * </p>
4742         * @hide
4743         */
4744        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4745            "accessibility_web_content_key_bindings";
4746
4747        /**
4748         * Setting that specifies whether the display magnification is enabled.
4749         * Display magnifications allows the user to zoom in the display content
4750         * and is targeted to low vision users. The current magnification scale
4751         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4752         *
4753         * @hide
4754         */
4755        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4756                "accessibility_display_magnification_enabled";
4757
4758        /**
4759         * Setting that specifies what the display magnification scale is.
4760         * Display magnifications allows the user to zoom in the display
4761         * content and is targeted to low vision users. Whether a display
4762         * magnification is performed is controlled by
4763         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4764         *
4765         * @hide
4766         */
4767        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4768                "accessibility_display_magnification_scale";
4769
4770        /**
4771         * Setting that specifies whether the display magnification should be
4772         * automatically updated. If this fearture is enabled the system will
4773         * exit magnification mode or pan the viewport when a context change
4774         * occurs. For example, on staring a new activity or rotating the screen,
4775         * the system may zoom out so the user can see the new context he is in.
4776         * Another example is on showing a window that is not visible in the
4777         * magnified viewport the system may pan the viewport to make the window
4778         * the has popped up so the user knows that the context has changed.
4779         * Whether a screen magnification is performed is controlled by
4780         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4781         *
4782         * @hide
4783         */
4784        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4785                "accessibility_display_magnification_auto_update";
4786
4787        /**
4788         * Setting that specifies whether timed text (captions) should be
4789         * displayed in video content. Text display properties are controlled by
4790         * the following settings:
4791         * <ul>
4792         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4793         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4794         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4795         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4796         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4797         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4798         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4799         * </ul>
4800         *
4801         * @hide
4802         */
4803        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4804                "accessibility_captioning_enabled";
4805
4806        /**
4807         * Setting that specifies the language for captions as a locale string,
4808         * e.g. en_US.
4809         *
4810         * @see java.util.Locale#toString
4811         * @hide
4812         */
4813        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4814                "accessibility_captioning_locale";
4815
4816        /**
4817         * Integer property that specifies the preset style for captions, one
4818         * of:
4819         * <ul>
4820         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4821         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4822         * </ul>
4823         *
4824         * @see java.util.Locale#toString
4825         * @hide
4826         */
4827        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4828                "accessibility_captioning_preset";
4829
4830        /**
4831         * Integer property that specifes the background color for captions as a
4832         * packed 32-bit color.
4833         *
4834         * @see android.graphics.Color#argb
4835         * @hide
4836         */
4837        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4838                "accessibility_captioning_background_color";
4839
4840        /**
4841         * Integer property that specifes the foreground color for captions as a
4842         * packed 32-bit color.
4843         *
4844         * @see android.graphics.Color#argb
4845         * @hide
4846         */
4847        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4848                "accessibility_captioning_foreground_color";
4849
4850        /**
4851         * Integer property that specifes the edge type for captions, one of:
4852         * <ul>
4853         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4854         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4855         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4856         * </ul>
4857         *
4858         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4859         * @hide
4860         */
4861        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4862                "accessibility_captioning_edge_type";
4863
4864        /**
4865         * Integer property that specifes the edge color for captions as a
4866         * packed 32-bit color.
4867         *
4868         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4869         * @see android.graphics.Color#argb
4870         * @hide
4871         */
4872        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4873                "accessibility_captioning_edge_color";
4874
4875        /**
4876         * Integer property that specifes the window color for captions as a
4877         * packed 32-bit color.
4878         *
4879         * @see android.graphics.Color#argb
4880         * @hide
4881         */
4882        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4883                "accessibility_captioning_window_color";
4884
4885        /**
4886         * String property that specifies the typeface for captions, one of:
4887         * <ul>
4888         * <li>DEFAULT
4889         * <li>MONOSPACE
4890         * <li>SANS_SERIF
4891         * <li>SERIF
4892         * </ul>
4893         *
4894         * @see android.graphics.Typeface
4895         * @hide
4896         */
4897        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4898                "accessibility_captioning_typeface";
4899
4900        /**
4901         * Floating point property that specifies font scaling for captions.
4902         *
4903         * @hide
4904         */
4905        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4906                "accessibility_captioning_font_scale";
4907
4908        /**
4909         * Setting that specifies whether display color inversion is enabled.
4910         */
4911        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4912                "accessibility_display_inversion_enabled";
4913
4914        /**
4915         * Setting that specifies whether display color space adjustment is
4916         * enabled.
4917         *
4918         * @hide
4919         */
4920        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4921                "accessibility_display_daltonizer_enabled";
4922
4923        /**
4924         * Integer property that specifies the type of color space adjustment to
4925         * perform. Valid values are defined in AccessibilityManager.
4926         *
4927         * @hide
4928         */
4929        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4930                "accessibility_display_daltonizer";
4931
4932        /**
4933         * Float list that specifies the color matrix to apply to
4934         * the display. Valid values are defined in AccessibilityManager.
4935         *
4936         * @hide
4937         */
4938        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
4939                "accessibility_display_color_matrix";
4940
4941        /**
4942         * Setting that specifies whether automatic click when the mouse pointer stops moving is
4943         * enabled.
4944         *
4945         * @hide
4946         */
4947        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
4948                "accessibility_autoclick_enabled";
4949
4950        /**
4951         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
4952         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
4953         *
4954         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
4955         * @hide
4956         */
4957        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
4958                "accessibility_autoclick_delay";
4959
4960        /**
4961         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
4962         * accessibility.
4963         * (0 = false, 1 = true)
4964         * @hide
4965         */
4966        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
4967                "accessibility_large_pointer_icon";
4968
4969        /**
4970         * The timeout for considering a press to be a long press in milliseconds.
4971         * @hide
4972         */
4973        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4974
4975        /**
4976         * List of the enabled print services.
4977         *
4978         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
4979         * from pre-N.
4980         *
4981         * @hide
4982         */
4983        public static final String ENABLED_PRINT_SERVICES =
4984            "enabled_print_services";
4985
4986        /**
4987         * List of the disabled print services.
4988         *
4989         * @hide
4990         */
4991        public static final String DISABLED_PRINT_SERVICES =
4992            "disabled_print_services";
4993
4994        /**
4995         * Setting to always use the default text-to-speech settings regardless
4996         * of the application settings.
4997         * 1 = override application settings,
4998         * 0 = use application settings (if specified).
4999         *
5000         * @deprecated  The value of this setting is no longer respected by
5001         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5002         */
5003        @Deprecated
5004        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5005
5006        /**
5007         * Default text-to-speech engine speech rate. 100 = 1x
5008         */
5009        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5010
5011        /**
5012         * Default text-to-speech engine pitch. 100 = 1x
5013         */
5014        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5015
5016        /**
5017         * Default text-to-speech engine.
5018         */
5019        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5020
5021        /**
5022         * Default text-to-speech language.
5023         *
5024         * @deprecated this setting is no longer in use, as of the Ice Cream
5025         * Sandwich release. Apps should never need to read this setting directly,
5026         * instead can query the TextToSpeech framework classes for the default
5027         * locale. {@link TextToSpeech#getLanguage()}.
5028         */
5029        @Deprecated
5030        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5031
5032        /**
5033         * Default text-to-speech country.
5034         *
5035         * @deprecated this setting is no longer in use, as of the Ice Cream
5036         * Sandwich release. Apps should never need to read this setting directly,
5037         * instead can query the TextToSpeech framework classes for the default
5038         * locale. {@link TextToSpeech#getLanguage()}.
5039         */
5040        @Deprecated
5041        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5042
5043        /**
5044         * Default text-to-speech locale variant.
5045         *
5046         * @deprecated this setting is no longer in use, as of the Ice Cream
5047         * Sandwich release. Apps should never need to read this setting directly,
5048         * instead can query the TextToSpeech framework classes for the
5049         * locale that is in use {@link TextToSpeech#getLanguage()}.
5050         */
5051        @Deprecated
5052        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5053
5054        /**
5055         * Stores the default tts locales on a per engine basis. Stored as
5056         * a comma seperated list of values, each value being of the form
5057         * {@code engine_name:locale} for example,
5058         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5059         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5060         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5061         * setting directly, and can query the TextToSpeech framework classes
5062         * for the locale that is in use.
5063         *
5064         * @hide
5065         */
5066        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5067
5068        /**
5069         * Space delimited list of plugin packages that are enabled.
5070         */
5071        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5072
5073        /**
5074         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5075         * instead.
5076         */
5077        @Deprecated
5078        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5079                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5080
5081        /**
5082         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5083         * instead.
5084         */
5085        @Deprecated
5086        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5087                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5088
5089        /**
5090         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5091         * instead.
5092         */
5093        @Deprecated
5094        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5095                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5096
5097        /**
5098         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5099         * instead.
5100         */
5101        @Deprecated
5102        public static final String WIFI_ON = Global.WIFI_ON;
5103
5104        /**
5105         * The acceptable packet loss percentage (range 0 - 100) before trying
5106         * another AP on the same network.
5107         * @deprecated This setting is not used.
5108         */
5109        @Deprecated
5110        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5111                "wifi_watchdog_acceptable_packet_loss_percentage";
5112
5113        /**
5114         * The number of access points required for a network in order for the
5115         * watchdog to monitor it.
5116         * @deprecated This setting is not used.
5117         */
5118        @Deprecated
5119        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5120
5121        /**
5122         * The delay between background checks.
5123         * @deprecated This setting is not used.
5124         */
5125        @Deprecated
5126        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5127                "wifi_watchdog_background_check_delay_ms";
5128
5129        /**
5130         * Whether the Wi-Fi watchdog is enabled for background checking even
5131         * after it thinks the user has connected to a good access point.
5132         * @deprecated This setting is not used.
5133         */
5134        @Deprecated
5135        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5136                "wifi_watchdog_background_check_enabled";
5137
5138        /**
5139         * The timeout for a background ping
5140         * @deprecated This setting is not used.
5141         */
5142        @Deprecated
5143        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5144                "wifi_watchdog_background_check_timeout_ms";
5145
5146        /**
5147         * The number of initial pings to perform that *may* be ignored if they
5148         * fail. Again, if these fail, they will *not* be used in packet loss
5149         * calculation. For example, one network always seemed to time out for
5150         * the first couple pings, so this is set to 3 by default.
5151         * @deprecated This setting is not used.
5152         */
5153        @Deprecated
5154        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5155            "wifi_watchdog_initial_ignored_ping_count";
5156
5157        /**
5158         * The maximum number of access points (per network) to attempt to test.
5159         * If this number is reached, the watchdog will no longer monitor the
5160         * initial connection state for the network. This is a safeguard for
5161         * networks containing multiple APs whose DNS does not respond to pings.
5162         * @deprecated This setting is not used.
5163         */
5164        @Deprecated
5165        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5166
5167        /**
5168         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5169         */
5170        @Deprecated
5171        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5172
5173        /**
5174         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5175         * @deprecated This setting is not used.
5176         */
5177        @Deprecated
5178        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5179
5180        /**
5181         * The number of pings to test if an access point is a good connection.
5182         * @deprecated This setting is not used.
5183         */
5184        @Deprecated
5185        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5186
5187        /**
5188         * The delay between pings.
5189         * @deprecated This setting is not used.
5190         */
5191        @Deprecated
5192        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5193
5194        /**
5195         * The timeout per ping.
5196         * @deprecated This setting is not used.
5197         */
5198        @Deprecated
5199        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5200
5201        /**
5202         * @deprecated Use
5203         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5204         */
5205        @Deprecated
5206        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5207
5208        /**
5209         * @deprecated Use
5210         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5211         */
5212        @Deprecated
5213        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5214                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5215
5216        /**
5217         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5218         * the receivers of the PendingIntent an opportunity to make a new network request before
5219         * the Network satisfying the request is potentially removed.
5220         *
5221         * @hide
5222         */
5223        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5224                "connectivity_release_pending_intent_delay_ms";
5225
5226        /**
5227         * Whether background data usage is allowed.
5228         *
5229         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5230         *             availability of background data depends on several
5231         *             combined factors. When background data is unavailable,
5232         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5233         *             now appear disconnected.
5234         */
5235        @Deprecated
5236        public static final String BACKGROUND_DATA = "background_data";
5237
5238        /**
5239         * Origins for which browsers should allow geolocation by default.
5240         * The value is a space-separated list of origins.
5241         */
5242        public static final String ALLOWED_GEOLOCATION_ORIGINS
5243                = "allowed_geolocation_origins";
5244
5245        /**
5246         * The preferred TTY mode     0 = TTy Off, CDMA default
5247         *                            1 = TTY Full
5248         *                            2 = TTY HCO
5249         *                            3 = TTY VCO
5250         * @hide
5251         */
5252        public static final String PREFERRED_TTY_MODE =
5253                "preferred_tty_mode";
5254
5255        /**
5256         * Whether the enhanced voice privacy mode is enabled.
5257         * 0 = normal voice privacy
5258         * 1 = enhanced voice privacy
5259         * @hide
5260         */
5261        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5262
5263        /**
5264         * Whether the TTY mode mode is enabled.
5265         * 0 = disabled
5266         * 1 = enabled
5267         * @hide
5268         */
5269        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5270
5271        /**
5272         * Controls whether settings backup is enabled.
5273         * Type: int ( 0 = disabled, 1 = enabled )
5274         * @hide
5275         */
5276        public static final String BACKUP_ENABLED = "backup_enabled";
5277
5278        /**
5279         * Controls whether application data is automatically restored from backup
5280         * at install time.
5281         * Type: int ( 0 = disabled, 1 = enabled )
5282         * @hide
5283         */
5284        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5285
5286        /**
5287         * Indicates whether settings backup has been fully provisioned.
5288         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5289         * @hide
5290         */
5291        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5292
5293        /**
5294         * Component of the transport to use for backup/restore.
5295         * @hide
5296         */
5297        public static final String BACKUP_TRANSPORT = "backup_transport";
5298
5299        /**
5300         * Version for which the setup wizard was last shown.  Bumped for
5301         * each release when there is new setup information to show.
5302         * @hide
5303         */
5304        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5305
5306        /**
5307         * The interval in milliseconds after which Wi-Fi is considered idle.
5308         * When idle, it is possible for the device to be switched from Wi-Fi to
5309         * the mobile data network.
5310         * @hide
5311         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5312         * instead.
5313         */
5314        @Deprecated
5315        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5316
5317        /**
5318         * The global search provider chosen by the user (if multiple global
5319         * search providers are installed). This will be the provider returned
5320         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5321         * installed. This setting is stored as a flattened component name as
5322         * per {@link ComponentName#flattenToString()}.
5323         *
5324         * @hide
5325         */
5326        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5327                "search_global_search_activity";
5328
5329        /**
5330         * The number of promoted sources in GlobalSearch.
5331         * @hide
5332         */
5333        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5334        /**
5335         * The maximum number of suggestions returned by GlobalSearch.
5336         * @hide
5337         */
5338        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5339        /**
5340         * The number of suggestions GlobalSearch will ask each non-web search source for.
5341         * @hide
5342         */
5343        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5344        /**
5345         * The number of suggestions the GlobalSearch will ask the web search source for.
5346         * @hide
5347         */
5348        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5349                "search_web_results_override_limit";
5350        /**
5351         * The number of milliseconds that GlobalSearch will wait for suggestions from
5352         * promoted sources before continuing with all other sources.
5353         * @hide
5354         */
5355        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5356                "search_promoted_source_deadline_millis";
5357        /**
5358         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5359         * @hide
5360         */
5361        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5362        /**
5363         * The maximum number of milliseconds that GlobalSearch shows the previous results
5364         * after receiving a new query.
5365         * @hide
5366         */
5367        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5368        /**
5369         * The maximum age of log data used for shortcuts in GlobalSearch.
5370         * @hide
5371         */
5372        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5373        /**
5374         * The maximum age of log data used for source ranking in GlobalSearch.
5375         * @hide
5376         */
5377        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5378                "search_max_source_event_age_millis";
5379        /**
5380         * The minimum number of impressions needed to rank a source in GlobalSearch.
5381         * @hide
5382         */
5383        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5384                "search_min_impressions_for_source_ranking";
5385        /**
5386         * The minimum number of clicks needed to rank a source in GlobalSearch.
5387         * @hide
5388         */
5389        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5390                "search_min_clicks_for_source_ranking";
5391        /**
5392         * The maximum number of shortcuts shown by GlobalSearch.
5393         * @hide
5394         */
5395        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5396        /**
5397         * The size of the core thread pool for suggestion queries in GlobalSearch.
5398         * @hide
5399         */
5400        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5401                "search_query_thread_core_pool_size";
5402        /**
5403         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5404         * @hide
5405         */
5406        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5407                "search_query_thread_max_pool_size";
5408        /**
5409         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5410         * @hide
5411         */
5412        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5413                "search_shortcut_refresh_core_pool_size";
5414        /**
5415         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5416         * @hide
5417         */
5418        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5419                "search_shortcut_refresh_max_pool_size";
5420        /**
5421         * The maximun time that excess threads in the GlobalSeach thread pools will
5422         * wait before terminating.
5423         * @hide
5424         */
5425        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5426                "search_thread_keepalive_seconds";
5427        /**
5428         * The maximum number of concurrent suggestion queries to each source.
5429         * @hide
5430         */
5431        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5432                "search_per_source_concurrent_query_limit";
5433
5434        /**
5435         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5436         * @hide
5437         */
5438        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5439
5440        /**
5441         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5442         * @hide
5443         */
5444        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5445
5446        /**
5447         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5448         * @hide
5449         */
5450        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5451
5452        /**
5453         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5454         * @hide
5455         */
5456        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5457
5458        /**
5459         * If nonzero, ANRs in invisible background processes bring up a dialog.
5460         * Otherwise, the process will be silently killed.
5461         * @hide
5462         */
5463        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5464
5465        /**
5466         * The {@link ComponentName} string of the service to be used as the voice recognition
5467         * service.
5468         *
5469         * @hide
5470         */
5471        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5472
5473        /**
5474         * Stores whether an user has consented to have apps verified through PAM.
5475         * The value is boolean (1 or 0).
5476         *
5477         * @hide
5478         */
5479        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5480            "package_verifier_user_consent";
5481
5482        /**
5483         * The {@link ComponentName} string of the selected spell checker service which is
5484         * one of the services managed by the text service manager.
5485         *
5486         * @hide
5487         */
5488        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5489
5490        /**
5491         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5492         * service which is one of the services managed by the text service manager.
5493         *
5494         * @hide
5495         */
5496        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5497                "selected_spell_checker_subtype";
5498
5499        /**
5500         * The {@link ComponentName} string whether spell checker is enabled or not.
5501         *
5502         * @hide
5503         */
5504        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5505
5506        /**
5507         * What happens when the user presses the Power button while in-call
5508         * and the screen is on.<br/>
5509         * <b>Values:</b><br/>
5510         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5511         * 2 - The Power button hangs up the current call.<br/>
5512         *
5513         * @hide
5514         */
5515        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5516
5517        /**
5518         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5519         * @hide
5520         */
5521        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5522
5523        /**
5524         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5525         * @hide
5526         */
5527        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5528
5529        /**
5530         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5531         * @hide
5532         */
5533        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5534                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5535
5536        /**
5537         * Whether the device should wake when the wake gesture sensor detects motion.
5538         * @hide
5539         */
5540        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5541
5542        /**
5543         * Whether the device should doze if configured.
5544         * @hide
5545         */
5546        public static final String DOZE_ENABLED = "doze_enabled";
5547
5548        /**
5549         * The current night mode that has been selected by the user.  Owned
5550         * and controlled by UiModeManagerService.  Constants are as per
5551         * UiModeManager.
5552         * @hide
5553         */
5554        public static final String UI_NIGHT_MODE = "ui_night_mode";
5555
5556        /**
5557         * Whether screensavers are enabled.
5558         * @hide
5559         */
5560        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5561
5562        /**
5563         * The user's chosen screensaver components.
5564         *
5565         * These will be launched by the PhoneWindowManager after a timeout when not on
5566         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5567         * @hide
5568         */
5569        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5570
5571        /**
5572         * If screensavers are enabled, whether the screensaver should be automatically launched
5573         * when the device is inserted into a (desk) dock.
5574         * @hide
5575         */
5576        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5577
5578        /**
5579         * If screensavers are enabled, whether the screensaver should be automatically launched
5580         * when the screen times out when not on battery.
5581         * @hide
5582         */
5583        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5584
5585        /**
5586         * If screensavers are enabled, the default screensaver component.
5587         * @hide
5588         */
5589        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5590
5591        /**
5592         * The default NFC payment component
5593         * @hide
5594         */
5595        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5596
5597        /**
5598         * Whether NFC payment is handled by the foreground application or a default.
5599         * @hide
5600         */
5601        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5602
5603        /**
5604         * Specifies the package name currently configured to be the primary sms application
5605         * @hide
5606         */
5607        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5608
5609        /**
5610         * Specifies the package name currently configured to be the default dialer application
5611         * @hide
5612         */
5613        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5614
5615        /**
5616         * Specifies the package name currently configured to be the emergency assistance application
5617         *
5618         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5619         *
5620         * @hide
5621         */
5622        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5623
5624        /**
5625         * Specifies whether the current app context on scren (assist data) will be sent to the
5626         * assist application (active voice interaction service).
5627         *
5628         * @hide
5629         */
5630        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5631
5632        /**
5633         * Specifies whether a screenshot of the screen contents will be sent to the assist
5634         * application (active voice interaction service).
5635         *
5636         * @hide
5637         */
5638        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5639
5640        /**
5641         * Names of the service component that the current user has explicitly allowed to
5642         * see and change the importance of all of the user's notifications.
5643         *
5644         * @hide
5645         */
5646        public static final String ENABLED_NOTIFICATION_ASSISTANT
5647                = "enabled_notification_assistant";
5648
5649        /**
5650         * Names of the service components that the current user has explicitly allowed to
5651         * see all of the user's notifications, separated by ':'.
5652         *
5653         * @hide
5654         */
5655        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5656
5657        /**
5658         * Names of the packages that the current user has explicitly allowed to
5659         * manage notification policy configuration, separated by ':'.
5660         */
5661        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5662                "enabled_notification_policy_access_packages";
5663
5664        /** @hide */
5665        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5666
5667        /** @hide */
5668        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5669                = "volume_controller_service_component";
5670
5671        /** @hide */
5672        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5673
5674        /**
5675         * This is the query URI for finding a print service to install.
5676         *
5677         * @hide
5678         */
5679        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5680
5681        /**
5682         * This is the query URI for finding a NFC payment service to install.
5683         *
5684         * @hide
5685         */
5686        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5687
5688        /**
5689         * If enabled, apps should try to skip any introductory hints on first launch. This might
5690         * apply to users that are already familiar with the environment or temporary users.
5691         * <p>
5692         * Type : int (0 to show hints, 1 to skip showing hints)
5693         */
5694        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5695
5696        /**
5697         * Persisted playback time after a user confirmation of an unsafe volume level.
5698         *
5699         * @hide
5700         */
5701        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5702
5703        /**
5704         * This preference enables notification display on the lockscreen.
5705         * @hide
5706         */
5707        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5708                "lock_screen_show_notifications";
5709
5710        /**
5711         * List of TV inputs that are currently hidden. This is a string
5712         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5713         * {@link android.net.Uri#encode(String)} and separated by ':'.
5714         * @hide
5715         */
5716        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5717
5718        /**
5719         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5720         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5721         * and separated by ','. Each pair is separated by ':'.
5722         * @hide
5723         */
5724        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5725
5726        /**
5727         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5728         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5729         * and 0 means automatic routing is enabled.
5730         *
5731         * @hide
5732         */
5733        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5734                "usb_audio_automatic_routing_disabled";
5735
5736        /**
5737         * The timeout in milliseconds before the device fully goes to sleep after
5738         * a period of inactivity.  This value sets an upper bound on how long the device
5739         * will stay awake or dreaming without user activity.  It should generally
5740         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5741         * will sleep before it ever has a chance to dream.
5742         * <p>
5743         * Use -1 to disable this timeout.
5744         * </p>
5745         *
5746         * @hide
5747         */
5748        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5749
5750        /**
5751         * Controls whether double tap to wake is enabled.
5752         * @hide
5753         */
5754        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5755
5756        /**
5757         * The current assistant component. It could be a voice interaction service,
5758         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5759         * handling.
5760         *
5761         * @hide
5762         */
5763        public static final String ASSISTANT = "assistant";
5764
5765        /**
5766         * Whether the camera launch gesture should be disabled.
5767         *
5768         * @hide
5769         */
5770        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5771
5772        /**
5773         * Whether the camera launch gesture to double tap the power button when the screen is off
5774         * should be disabled.
5775         *
5776         * @hide
5777         */
5778        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5779                "camera_double_tap_power_gesture_disabled";
5780
5781        /**
5782         * Name of the package used as WebView provider (if unset the provider is instead determined
5783         * by the system).
5784         * @hide
5785         */
5786        public static final String WEBVIEW_PROVIDER = "webview_provider";
5787
5788        /**
5789         * This are the settings to be backed up.
5790         *
5791         * NOTE: Settings are backed up and restored in the order they appear
5792         *       in this array. If you have one setting depending on another,
5793         *       make sure that they are ordered appropriately.
5794         *
5795         * @hide
5796         */
5797        public static final String[] SETTINGS_TO_BACKUP = {
5798            BUGREPORT_IN_POWER_MENU,                            // moved to global
5799            ALLOW_MOCK_LOCATION,
5800            PARENTAL_CONTROL_ENABLED,
5801            PARENTAL_CONTROL_REDIRECT_URL,
5802            USB_MASS_STORAGE_ENABLED,                           // moved to global
5803            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5804            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5805            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5806            ACCESSIBILITY_SCRIPT_INJECTION,
5807            BACKUP_AUTO_RESTORE,
5808            ENABLED_ACCESSIBILITY_SERVICES,
5809            ENABLED_NOTIFICATION_LISTENERS,
5810            ENABLED_INPUT_METHODS,
5811            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5812            TOUCH_EXPLORATION_ENABLED,
5813            ACCESSIBILITY_ENABLED,
5814            ACCESSIBILITY_SPEAK_PASSWORD,
5815            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5816            ACCESSIBILITY_CAPTIONING_ENABLED,
5817            ACCESSIBILITY_CAPTIONING_LOCALE,
5818            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5819            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5820            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5821            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5822            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5823            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5824            TTS_USE_DEFAULTS,
5825            TTS_DEFAULT_RATE,
5826            TTS_DEFAULT_PITCH,
5827            TTS_DEFAULT_SYNTH,
5828            TTS_DEFAULT_LANG,
5829            TTS_DEFAULT_COUNTRY,
5830            TTS_ENABLED_PLUGINS,
5831            TTS_DEFAULT_LOCALE,
5832            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5833            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5834            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5835            SELECTED_SPELL_CHECKER,
5836            SELECTED_SPELL_CHECKER_SUBTYPE,
5837            SPELL_CHECKER_ENABLED,
5838            MOUNT_PLAY_NOTIFICATION_SND,
5839            MOUNT_UMS_AUTOSTART,
5840            MOUNT_UMS_PROMPT,
5841            MOUNT_UMS_NOTIFY_ENABLED,
5842            UI_NIGHT_MODE,
5843            SLEEP_TIMEOUT,
5844            DOUBLE_TAP_TO_WAKE,
5845            CAMERA_GESTURE_DISABLED,
5846            ACCESSIBILITY_AUTOCLICK_ENABLED,
5847            ACCESSIBILITY_AUTOCLICK_DELAY
5848        };
5849
5850        /**
5851         * These entries are considered common between the personal and the managed profile,
5852         * since the managed profile doesn't get to change them.
5853         */
5854        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5855
5856        static {
5857            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5858            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5859            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5860            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5861            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5862            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5863            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5864            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5865            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5866            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5867            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5868            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5869            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5870        }
5871
5872        /** @hide */
5873        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5874            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5875        }
5876
5877        /**
5878         * Helper method for determining if a location provider is enabled.
5879         *
5880         * @param cr the content resolver to use
5881         * @param provider the location provider to query
5882         * @return true if the provider is enabled
5883         *
5884         * @deprecated use {@link #LOCATION_MODE} or
5885         *             {@link LocationManager#isProviderEnabled(String)}
5886         */
5887        @Deprecated
5888        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5889            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5890        }
5891
5892        /**
5893         * Helper method for determining if a location provider is enabled.
5894         * @param cr the content resolver to use
5895         * @param provider the location provider to query
5896         * @param userId the userId to query
5897         * @return true if the provider is enabled
5898         * @deprecated use {@link #LOCATION_MODE} or
5899         *             {@link LocationManager#isProviderEnabled(String)}
5900         * @hide
5901         */
5902        @Deprecated
5903        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5904            String allowedProviders = Settings.Secure.getStringForUser(cr,
5905                    LOCATION_PROVIDERS_ALLOWED, userId);
5906            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5907        }
5908
5909        /**
5910         * Thread-safe method for enabling or disabling a single location provider.
5911         * @param cr the content resolver to use
5912         * @param provider the location provider to enable or disable
5913         * @param enabled true if the provider should be enabled
5914         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5915         */
5916        @Deprecated
5917        public static final void setLocationProviderEnabled(ContentResolver cr,
5918                String provider, boolean enabled) {
5919            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5920        }
5921
5922        /**
5923         * Thread-safe method for enabling or disabling a single location provider.
5924         *
5925         * @param cr the content resolver to use
5926         * @param provider the location provider to enable or disable
5927         * @param enabled true if the provider should be enabled
5928         * @param userId the userId for which to enable/disable providers
5929         * @return true if the value was set, false on database errors
5930         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5931         *             {@link #LOCATION_MODE}
5932         * @hide
5933         */
5934        @Deprecated
5935        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5936                String provider, boolean enabled, int userId) {
5937            synchronized (mLocationSettingsLock) {
5938                // to ensure thread safety, we write the provider name with a '+' or '-'
5939                // and let the SettingsProvider handle it rather than reading and modifying
5940                // the list of enabled providers.
5941                if (enabled) {
5942                    provider = "+" + provider;
5943                } else {
5944                    provider = "-" + provider;
5945                }
5946                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5947                        userId);
5948            }
5949        }
5950
5951        /**
5952         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
5953         */
5954        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
5955            final int mode = getLocationModeForUser(cr, userId);
5956            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
5957        }
5958
5959        /**
5960         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
5961         */
5962        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
5963            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
5964                    LOCATION_MODE_HIGH_ACCURACY, userId);
5965            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
5966            // turn on location any longer.
5967            if (mode == LOCATION_MODE_OFF) {
5968                mode = LOCATION_MODE_HIGH_ACCURACY;
5969            }
5970            return setLocationModeForUser(cr, mode, userId);
5971        }
5972
5973        /**
5974         * Thread-safe method for setting the location mode to one of
5975         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5976         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5977         *
5978         * @param cr the content resolver to use
5979         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
5980         * @param userId the userId for which to change mode
5981         * @return true if the value was set, false on database errors
5982         *
5983         * @throws IllegalArgumentException if mode is not one of the supported values
5984         */
5985        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
5986                int userId) {
5987            synchronized (mLocationSettingsLock) {
5988                boolean gps = false;
5989                boolean network = false;
5990                switch (mode) {
5991                    case LOCATION_MODE_PREVIOUS:
5992                        // Retrieve the actual mode and set to that mode.
5993                        return restoreLocationModeForUser(cr, userId);
5994                    case LOCATION_MODE_OFF:
5995                        saveLocationModeForUser(cr, userId);
5996                        break;
5997                    case LOCATION_MODE_SENSORS_ONLY:
5998                        gps = true;
5999                        break;
6000                    case LOCATION_MODE_BATTERY_SAVING:
6001                        network = true;
6002                        break;
6003                    case LOCATION_MODE_HIGH_ACCURACY:
6004                        gps = true;
6005                        network = true;
6006                        break;
6007                    default:
6008                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6009                }
6010                // Note it's important that we set the NLP mode first. The Google implementation
6011                // of NLP clears its NLP consent setting any time it receives a
6012                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6013                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6014                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6015                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6016                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6017                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6018                // dialog. Then the people who wrote the setup wizard would be sad.
6019                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6020                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6021                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6022                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6023                return gpsSuccess && nlpSuccess;
6024            }
6025        }
6026
6027        /**
6028         * Thread-safe method for reading the location mode, returns one of
6029         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6030         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6031         *
6032         * @param cr the content resolver to use
6033         * @param userId the userId for which to read the mode
6034         * @return the location mode
6035         */
6036        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6037            synchronized (mLocationSettingsLock) {
6038                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6039                        cr, LocationManager.GPS_PROVIDER, userId);
6040                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6041                        cr, LocationManager.NETWORK_PROVIDER, userId);
6042                if (gpsEnabled && networkEnabled) {
6043                    return LOCATION_MODE_HIGH_ACCURACY;
6044                } else if (gpsEnabled) {
6045                    return LOCATION_MODE_SENSORS_ONLY;
6046                } else if (networkEnabled) {
6047                    return LOCATION_MODE_BATTERY_SAVING;
6048                } else {
6049                    return LOCATION_MODE_OFF;
6050                }
6051            }
6052        }
6053    }
6054
6055    /**
6056     * Global system settings, containing preferences that always apply identically
6057     * to all defined users.  Applications can read these but are not allowed to write;
6058     * like the "Secure" settings, these are for preferences that the user must
6059     * explicitly modify through the system UI or specialized APIs for those values.
6060     */
6061    public static final class Global extends NameValueTable {
6062        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6063
6064        /**
6065         * The content:// style URL for global secure settings items.  Not public.
6066         */
6067        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6068
6069        /**
6070         * Whether users are allowed to add more users or guest from lockscreen.
6071         * <p>
6072         * Type: int
6073         * @hide
6074         */
6075        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6076
6077        /**
6078         * Setting whether the global gesture for enabling accessibility is enabled.
6079         * If this gesture is enabled the user will be able to perfrom it to enable
6080         * the accessibility state without visiting the settings app.
6081         * @hide
6082         */
6083        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6084                "enable_accessibility_global_gesture_enabled";
6085
6086        /**
6087         * Whether Airplane Mode is on.
6088         */
6089        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6090
6091        /**
6092         * Whether Theater Mode is on.
6093         * {@hide}
6094         */
6095        @SystemApi
6096        public static final String THEATER_MODE_ON = "theater_mode_on";
6097
6098        /**
6099         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6100         */
6101        public static final String RADIO_BLUETOOTH = "bluetooth";
6102
6103        /**
6104         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6105         */
6106        public static final String RADIO_WIFI = "wifi";
6107
6108        /**
6109         * {@hide}
6110         */
6111        public static final String RADIO_WIMAX = "wimax";
6112        /**
6113         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6114         */
6115        public static final String RADIO_CELL = "cell";
6116
6117        /**
6118         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6119         */
6120        public static final String RADIO_NFC = "nfc";
6121
6122        /**
6123         * A comma separated list of radios that need to be disabled when airplane mode
6124         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6125         * included in the comma separated list.
6126         */
6127        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6128
6129        /**
6130         * A comma separated list of radios that should to be disabled when airplane mode
6131         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6132         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6133         * will be turned off when entering airplane mode, but the user will be able to reenable
6134         * Wifi in the Settings app.
6135         *
6136         * {@hide}
6137         */
6138        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6139
6140        /**
6141         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6142         * See {@link android.bluetooth.BluetoothProfile}.
6143         * {@hide}
6144         */
6145        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6146
6147        /**
6148         * The policy for deciding when Wi-Fi should go to sleep (which will in
6149         * turn switch to using the mobile data as an Internet connection).
6150         * <p>
6151         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6152         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6153         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6154         */
6155        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6156
6157        /**
6158         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6159         * policy, which is to sleep shortly after the turning off
6160         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6161         */
6162        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6163
6164        /**
6165         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6166         * the device is on battery, and never go to sleep when the device is
6167         * plugged in.
6168         */
6169        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6170
6171        /**
6172         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6173         */
6174        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6175
6176        /**
6177         * Value to specify if the user prefers the date, time and time zone
6178         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6179         */
6180        public static final String AUTO_TIME = "auto_time";
6181
6182        /**
6183         * Value to specify if the user prefers the time zone
6184         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6185         */
6186        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6187
6188        /**
6189         * URI for the car dock "in" event sound.
6190         * @hide
6191         */
6192        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6193
6194        /**
6195         * URI for the car dock "out" event sound.
6196         * @hide
6197         */
6198        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6199
6200        /**
6201         * URI for the desk dock "in" event sound.
6202         * @hide
6203         */
6204        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6205
6206        /**
6207         * URI for the desk dock "out" event sound.
6208         * @hide
6209         */
6210        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6211
6212        /**
6213         * Whether to play a sound for dock events.
6214         * @hide
6215         */
6216        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6217
6218        /**
6219         * URI for the "device locked" (keyguard shown) sound.
6220         * @hide
6221         */
6222        public static final String LOCK_SOUND = "lock_sound";
6223
6224        /**
6225         * URI for the "device unlocked" sound.
6226         * @hide
6227         */
6228        public static final String UNLOCK_SOUND = "unlock_sound";
6229
6230        /**
6231         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6232         * state without unlocking.
6233         * @hide
6234         */
6235        public static final String TRUSTED_SOUND = "trusted_sound";
6236
6237        /**
6238         * URI for the low battery sound file.
6239         * @hide
6240         */
6241        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6242
6243        /**
6244         * Whether to play a sound for low-battery alerts.
6245         * @hide
6246         */
6247        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6248
6249        /**
6250         * URI for the "wireless charging started" sound.
6251         * @hide
6252         */
6253        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6254                "wireless_charging_started_sound";
6255
6256        /**
6257         * Whether to play a sound for charging events.
6258         * @hide
6259         */
6260        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6261
6262        /**
6263         * Whether we keep the device on while the device is plugged in.
6264         * Supported values are:
6265         * <ul>
6266         * <li>{@code 0} to never stay on while plugged in</li>
6267         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6268         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6269         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6270         * </ul>
6271         * These values can be OR-ed together.
6272         */
6273        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6274
6275        /**
6276         * When the user has enable the option to have a "bug report" command
6277         * in the power menu.
6278         * @hide
6279         */
6280        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6281
6282        /**
6283         * Whether ADB is enabled.
6284         */
6285        public static final String ADB_ENABLED = "adb_enabled";
6286
6287        /**
6288         * Whether Views are allowed to save their attribute data.
6289         * @hide
6290         */
6291        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6292
6293        /**
6294         * Whether assisted GPS should be enabled or not.
6295         * @hide
6296         */
6297        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6298
6299        /**
6300         * Whether bluetooth is enabled/disabled
6301         * 0=disabled. 1=enabled.
6302         */
6303        public static final String BLUETOOTH_ON = "bluetooth_on";
6304
6305        /**
6306         * CDMA Cell Broadcast SMS
6307         *                            0 = CDMA Cell Broadcast SMS disabled
6308         *                            1 = CDMA Cell Broadcast SMS enabled
6309         * @hide
6310         */
6311        public static final String CDMA_CELL_BROADCAST_SMS =
6312                "cdma_cell_broadcast_sms";
6313
6314        /**
6315         * The CDMA roaming mode 0 = Home Networks, CDMA default
6316         *                       1 = Roaming on Affiliated networks
6317         *                       2 = Roaming on any networks
6318         * @hide
6319         */
6320        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6321
6322        /**
6323         * The CDMA subscription mode 0 = RUIM/SIM (default)
6324         *                                1 = NV
6325         * @hide
6326         */
6327        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6328
6329        /** Inactivity timeout to track mobile data activity.
6330        *
6331        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6332        * infer the data activity of mobile network. After a period of no activity on mobile
6333        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6334        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6335        * subsequent activity on mobile networks triggers the firing of {@code
6336        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6337        *
6338        * Network activity refers to transmitting or receiving data on the network interfaces.
6339        *
6340        * Tracking is disabled if set to zero or negative value.
6341        *
6342        * @hide
6343        */
6344       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6345
6346       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6347        * but for Wifi network.
6348        * @hide
6349        */
6350       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6351
6352       /**
6353        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6354        */
6355       public static final String DATA_ROAMING = "data_roaming";
6356
6357       /**
6358        * The value passed to a Mobile DataConnection via bringUp which defines the
6359        * number of retries to preform when setting up the initial connection. The default
6360        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6361        * @hide
6362        */
6363       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6364
6365       /**
6366        * Whether any package can be on external storage. When this is true, any
6367        * package, regardless of manifest values, is a candidate for installing
6368        * or moving onto external storage. (0 = false, 1 = true)
6369        * @hide
6370        */
6371       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6372
6373        /**
6374         * Whether any activity can be resized. When this is true, any
6375         * activity, regardless of manifest values, can be resized for multi-window.
6376         * (0 = false, 1 = true)
6377         * @hide
6378         */
6379        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6380                = "force_resizable_activities";
6381
6382        /**
6383         * Whether to enable experimental freeform support for windows.
6384         * @hide
6385         */
6386        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6387                = "enable_freeform_support";
6388
6389       /**
6390        * Whether user has enabled development settings.
6391        */
6392       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6393
6394       /**
6395        * Whether the device has been provisioned (0 = false, 1 = true).
6396        * <p>On a multiuser device with a separate system user, the screen may be locked
6397        * as soon as this is set to true and further activities cannot be launched on the
6398        * system user unless they are marked to show over keyguard.
6399        */
6400       public static final String DEVICE_PROVISIONED = "device_provisioned";
6401
6402       /**
6403        * The saved value for WindowManagerService.setForcedDisplayDensity().
6404        * One integer in dpi.  If unset, then use the real display density.
6405        * @hide
6406        */
6407       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6408
6409       /**
6410        * The saved value for WindowManagerService.setForcedDisplaySize().
6411        * Two integers separated by a comma.  If unset, then use the real display size.
6412        * @hide
6413        */
6414       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6415
6416       /**
6417        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6418        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6419        * @hide
6420        */
6421       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6422
6423       /**
6424        * The maximum size, in bytes, of a download that the download manager will transfer over
6425        * a non-wifi connection.
6426        * @hide
6427        */
6428       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6429               "download_manager_max_bytes_over_mobile";
6430
6431       /**
6432        * The recommended maximum size, in bytes, of a download that the download manager should
6433        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6434        * have the option to start the download over the mobile connection anyway.
6435        * @hide
6436        */
6437       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6438               "download_manager_recommended_max_bytes_over_mobile";
6439
6440       /**
6441        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6442        */
6443       @Deprecated
6444       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6445
6446       /**
6447        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6448        * sent or processed. (0 = false, 1 = true)
6449        * @hide
6450        */
6451       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6452
6453       /**
6454        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6455        * and the output is redirected to AV Receiver connected via
6456        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6457        * @hide
6458        */
6459       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6460
6461       /**
6462        * Whether TV will automatically turn on upon reception of the CEC command
6463        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6464        * @hide
6465        */
6466       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6467               "hdmi_control_auto_wakeup_enabled";
6468
6469       /**
6470        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6471        * (0 = false, 1 = true)
6472        * @hide
6473        */
6474       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6475               "hdmi_control_auto_device_off_enabled";
6476
6477       /**
6478        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6479        * client.
6480        * (0 = false, 1 = true)
6481        * @hide
6482        */
6483       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6484
6485       /**
6486        * Whether TV will switch to MHL port when a mobile device is plugged in.
6487        * (0 = false, 1 = true)
6488        * @hide
6489        */
6490       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6491
6492       /**
6493        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6494        * @hide
6495        */
6496       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6497
6498       /**
6499        * Whether mobile data connections are allowed by the user.  See
6500        * ConnectivityManager for more info.
6501        * @hide
6502        */
6503       public static final String MOBILE_DATA = "mobile_data";
6504
6505       /**
6506        * Whether the mobile data connection should remain active even when higher
6507        * priority networks like WiFi are active, to help make network switching faster.
6508        *
6509        * See ConnectivityService for more info.
6510        *
6511        * (0 = disabled, 1 = enabled)
6512        * @hide
6513        */
6514       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6515
6516       /** {@hide} */
6517       public static final String NETSTATS_ENABLED = "netstats_enabled";
6518       /** {@hide} */
6519       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6520       /** {@hide} */
6521       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6522       /** {@hide} */
6523       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6524       /** {@hide} */
6525       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6526
6527       /** {@hide} */
6528       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6529       /** {@hide} */
6530       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6531       /** {@hide} */
6532       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6533       /** {@hide} */
6534       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6535
6536       /** {@hide} */
6537       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6538       /** {@hide} */
6539       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6540       /** {@hide} */
6541       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6542       /** {@hide} */
6543       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6544
6545       /** {@hide} */
6546       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6547       /** {@hide} */
6548       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6549       /** {@hide} */
6550       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6551       /** {@hide} */
6552       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6553
6554       /**
6555        * User preference for which network(s) should be used. Only the
6556        * connectivity service should touch this.
6557        */
6558       public static final String NETWORK_PREFERENCE = "network_preference";
6559
6560       /**
6561        * Which package name to use for network scoring. If null, or if the package is not a valid
6562        * scorer app, external network scores will neither be requested nor accepted.
6563        * @hide
6564        */
6565       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6566
6567       /**
6568        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6569        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6570        * exceeded.
6571        * @hide
6572        */
6573       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6574
6575       /**
6576        * The length of time in milli-seconds that automatic small adjustments to
6577        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6578        * @hide
6579        */
6580       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6581
6582       /** Preferred NTP server. {@hide} */
6583       public static final String NTP_SERVER = "ntp_server";
6584       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6585       public static final String NTP_TIMEOUT = "ntp_timeout";
6586
6587       /** {@hide} */
6588       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6589
6590       /**
6591        * Whether the package manager should send package verification broadcasts for verifiers to
6592        * review apps prior to installation.
6593        * 1 = request apps to be verified prior to installation, if a verifier exists.
6594        * 0 = do not verify apps before installation
6595        * @hide
6596        */
6597       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6598
6599       /** Timeout for package verification.
6600        * @hide */
6601       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6602
6603       /** Default response code for package verification.
6604        * @hide */
6605       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6606
6607       /**
6608        * Show package verification setting in the Settings app.
6609        * 1 = show (default)
6610        * 0 = hide
6611        * @hide
6612        */
6613       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6614
6615       /**
6616        * Run package verification on apps installed through ADB/ADT/USB
6617        * 1 = perform package verification on ADB installs (default)
6618        * 0 = bypass package verification on ADB installs
6619        * @hide
6620        */
6621       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6622
6623       /**
6624        * Time since last fstrim (milliseconds) after which we force one to happen
6625        * during device startup.  If unset, the default is 3 days.
6626        * @hide
6627        */
6628       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6629
6630       /**
6631        * The interval in milliseconds at which to check packet counts on the
6632        * mobile data interface when screen is on, to detect possible data
6633        * connection problems.
6634        * @hide
6635        */
6636       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6637               "pdp_watchdog_poll_interval_ms";
6638
6639       /**
6640        * The interval in milliseconds at which to check packet counts on the
6641        * mobile data interface when screen is off, to detect possible data
6642        * connection problems.
6643        * @hide
6644        */
6645       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6646               "pdp_watchdog_long_poll_interval_ms";
6647
6648       /**
6649        * The interval in milliseconds at which to check packet counts on the
6650        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6651        * outgoing packets has been reached without incoming packets.
6652        * @hide
6653        */
6654       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6655               "pdp_watchdog_error_poll_interval_ms";
6656
6657       /**
6658        * The number of outgoing packets sent without seeing an incoming packet
6659        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6660        * device is logged to the event log
6661        * @hide
6662        */
6663       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6664               "pdp_watchdog_trigger_packet_count";
6665
6666       /**
6667        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6668        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6669        * attempting data connection recovery.
6670        * @hide
6671        */
6672       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6673               "pdp_watchdog_error_poll_count";
6674
6675       /**
6676        * The number of failed PDP reset attempts before moving to something more
6677        * drastic: re-registering to the network.
6678        * @hide
6679        */
6680       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6681               "pdp_watchdog_max_pdp_reset_fail_count";
6682
6683       /**
6684        * A positive value indicates how often the SamplingProfiler
6685        * should take snapshots. Zero value means SamplingProfiler
6686        * is disabled.
6687        *
6688        * @hide
6689        */
6690       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6691
6692       /**
6693        * URL to open browser on to allow user to manage a prepay account
6694        * @hide
6695        */
6696       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6697               "setup_prepaid_data_service_url";
6698
6699       /**
6700        * URL to attempt a GET on to see if this is a prepay device
6701        * @hide
6702        */
6703       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6704               "setup_prepaid_detection_target_url";
6705
6706       /**
6707        * Host to check for a redirect to after an attempt to GET
6708        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6709        * this is a prepaid device with zero balance.)
6710        * @hide
6711        */
6712       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6713               "setup_prepaid_detection_redir_host";
6714
6715       /**
6716        * The interval in milliseconds at which to check the number of SMS sent out without asking
6717        * for use permit, to limit the un-authorized SMS usage.
6718        *
6719        * @hide
6720        */
6721       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6722               "sms_outgoing_check_interval_ms";
6723
6724       /**
6725        * The number of outgoing SMS sent without asking for user permit (of {@link
6726        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6727        *
6728        * @hide
6729        */
6730       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6731               "sms_outgoing_check_max_count";
6732
6733       /**
6734        * Used to disable SMS short code confirmation - defaults to true.
6735        * True indcates we will do the check, etc.  Set to false to disable.
6736        * @see com.android.internal.telephony.SmsUsageMonitor
6737        * @hide
6738        */
6739       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6740
6741        /**
6742         * Used to select which country we use to determine premium sms codes.
6743         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6744         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6745         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6746         * @hide
6747         */
6748        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6749
6750       /**
6751        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6752        * @hide
6753        */
6754       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6755
6756       /**
6757        * Used to disable Tethering on a device - defaults to true
6758        * @hide
6759        */
6760       public static final String TETHER_SUPPORTED = "tether_supported";
6761
6762       /**
6763        * Used to require DUN APN on the device or not - defaults to a build config value
6764        * which defaults to false
6765        * @hide
6766        */
6767       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6768
6769       /**
6770        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6771        * corresponding build config values are set it will override the APN DB
6772        * values.
6773        * Consists of a comma seperated list of strings:
6774        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6775        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6776        * @hide
6777        */
6778       public static final String TETHER_DUN_APN = "tether_dun_apn";
6779
6780       /**
6781        * USB Mass Storage Enabled
6782        */
6783       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6784
6785       /**
6786        * If this setting is set (to anything), then all references
6787        * to Gmail on the device must change to Google Mail.
6788        */
6789       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6790
6791        /**
6792         * Webview Data reduction proxy key.
6793         * @hide
6794         */
6795        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6796                "webview_data_reduction_proxy_key";
6797
6798       /**
6799        * Whether Wifi display is enabled/disabled
6800        * 0=disabled. 1=enabled.
6801        * @hide
6802        */
6803       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6804
6805       /**
6806        * Whether Wifi display certification mode is enabled/disabled
6807        * 0=disabled. 1=enabled.
6808        * @hide
6809        */
6810       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6811               "wifi_display_certification_on";
6812
6813       /**
6814        * WPS Configuration method used by Wifi display, this setting only
6815        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6816        *
6817        * Possible values are:
6818        *
6819        * WpsInfo.INVALID: use default WPS method chosen by framework
6820        * WpsInfo.PBC    : use Push button
6821        * WpsInfo.KEYPAD : use Keypad
6822        * WpsInfo.DISPLAY: use Display
6823        * @hide
6824        */
6825       public static final String WIFI_DISPLAY_WPS_CONFIG =
6826           "wifi_display_wps_config";
6827
6828       /**
6829        * Whether to notify the user of open networks.
6830        * <p>
6831        * If not connected and the scan results have an open network, we will
6832        * put this notification up. If we attempt to connect to a network or
6833        * the open network(s) disappear, we remove the notification. When we
6834        * show the notification, we will not show it again for
6835        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6836        */
6837       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6838               "wifi_networks_available_notification_on";
6839       /**
6840        * {@hide}
6841        */
6842       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6843               "wimax_networks_available_notification_on";
6844
6845       /**
6846        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6847        * Connecting to a network will reset the timer.
6848        */
6849       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6850               "wifi_networks_available_repeat_delay";
6851
6852       /**
6853        * 802.11 country code in ISO 3166 format
6854        * @hide
6855        */
6856       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6857
6858       /**
6859        * The interval in milliseconds to issue wake up scans when wifi needs
6860        * to connect. This is necessary to connect to an access point when
6861        * device is on the move and the screen is off.
6862        * @hide
6863        */
6864       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6865               "wifi_framework_scan_interval_ms";
6866
6867       /**
6868        * The interval in milliseconds after which Wi-Fi is considered idle.
6869        * When idle, it is possible for the device to be switched from Wi-Fi to
6870        * the mobile data network.
6871        * @hide
6872        */
6873       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6874
6875       /**
6876        * When the number of open networks exceeds this number, the
6877        * least-recently-used excess networks will be removed.
6878        */
6879       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6880
6881       /**
6882        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6883        */
6884       public static final String WIFI_ON = "wifi_on";
6885
6886       /**
6887        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6888        * @hide
6889        */
6890       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6891                "wifi_scan_always_enabled";
6892
6893       /**
6894        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6895        * connectivity.
6896        * @hide
6897        */
6898       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6899               "ble_scan_always_enabled";
6900
6901       /**
6902        * Used to save the Wifi_ON state prior to tethering.
6903        * This state will be checked to restore Wifi after
6904        * the user turns off tethering.
6905        *
6906        * @hide
6907        */
6908       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6909
6910       /**
6911        * The interval in milliseconds to scan as used by the wifi supplicant
6912        * @hide
6913        */
6914       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6915               "wifi_supplicant_scan_interval_ms";
6916
6917        /**
6918         * whether frameworks handles wifi auto-join
6919         * @hide
6920         */
6921       public static final String WIFI_ENHANCED_AUTO_JOIN =
6922                "wifi_enhanced_auto_join";
6923
6924        /**
6925         * whether settings show RSSI
6926         * @hide
6927         */
6928        public static final String WIFI_NETWORK_SHOW_RSSI =
6929                "wifi_network_show_rssi";
6930
6931        /**
6932        * The interval in milliseconds to scan at supplicant when p2p is connected
6933        * @hide
6934        */
6935       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6936               "wifi_scan_interval_p2p_connected_ms";
6937
6938       /**
6939        * Whether the Wi-Fi watchdog is enabled.
6940        */
6941       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6942
6943       /**
6944        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6945        * the setting needs to be set to 0 to disable it.
6946        * @hide
6947        */
6948       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6949               "wifi_watchdog_poor_network_test_enabled";
6950
6951       /**
6952        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6953        * needs to be set to 0 to disable it.
6954        * @hide
6955        */
6956       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6957               "wifi_suspend_optimizations_enabled";
6958
6959       /**
6960        * The maximum number of times we will retry a connection to an access
6961        * point for which we have failed in acquiring an IP address from DHCP.
6962        * A value of N means that we will make N+1 connection attempts in all.
6963        */
6964       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
6965
6966       /**
6967        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
6968        * data connectivity to be established after a disconnect from Wi-Fi.
6969        */
6970       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
6971           "wifi_mobile_data_transition_wakelock_timeout_ms";
6972
6973       /**
6974        * This setting controls whether WiFi configurations created by a Device Owner app
6975        * should be locked down (that is, be editable or removable only by the Device Owner App,
6976        * not even by Settings app).
6977        * This setting takes integer values. Non-zero values mean DO created configurations
6978        * are locked down. Value of zero means they are not. Default value in the absence of
6979        * actual value to this setting is 0.
6980        */
6981       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
6982               "wifi_device_owner_configs_lockdown";
6983
6984       /**
6985        * The operational wifi frequency band
6986        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
6987        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
6988        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
6989        *
6990        * @hide
6991        */
6992       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
6993
6994       /**
6995        * The Wi-Fi peer-to-peer device name
6996        * @hide
6997        */
6998       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
6999
7000       /**
7001        * The min time between wifi disable and wifi enable
7002        * @hide
7003        */
7004       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7005
7006       /**
7007        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7008        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7009        * has been seen in this time period.
7010        *
7011        * If this is less than or equal to zero, we use a more conservative behavior and only check
7012        * for a non-null score from the currently connected or target BSSID.
7013        * @hide
7014        */
7015       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7016               "wifi_ephemeral_out_of_range_timeout_ms";
7017
7018       /**
7019        * The number of milliseconds to delay when checking for data stalls during
7020        * non-aggressive detection. (screen is turned off.)
7021        * @hide
7022        */
7023       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7024               "data_stall_alarm_non_aggressive_delay_in_ms";
7025
7026       /**
7027        * The number of milliseconds to delay when checking for data stalls during
7028        * aggressive detection. (screen on or suspected data stall)
7029        * @hide
7030        */
7031       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7032               "data_stall_alarm_aggressive_delay_in_ms";
7033
7034       /**
7035        * The number of milliseconds to allow the provisioning apn to remain active
7036        * @hide
7037        */
7038       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7039               "provisioning_apn_alarm_delay_in_ms";
7040
7041       /**
7042        * The interval in milliseconds at which to check gprs registration
7043        * after the first registration mismatch of gprs and voice service,
7044        * to detect possible data network registration problems.
7045        *
7046        * @hide
7047        */
7048       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7049               "gprs_register_check_period_ms";
7050
7051       /**
7052        * Nonzero causes Log.wtf() to crash.
7053        * @hide
7054        */
7055       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7056
7057       /**
7058        * Ringer mode. This is used internally, changing this value will not
7059        * change the ringer mode. See AudioManager.
7060        */
7061       public static final String MODE_RINGER = "mode_ringer";
7062
7063       /**
7064        * Overlay display devices setting.
7065        * The associated value is a specially formatted string that describes the
7066        * size and density of simulated secondary display devices.
7067        * <p>
7068        * Format: {width}x{height}/{dpi};...
7069        * </p><p>
7070        * Example:
7071        * <ul>
7072        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7073        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7074        * at 1080p and the second at 720p.</li>
7075        * <li>If the value is empty, then no overlay display devices are created.</li>
7076        * </ul></p>
7077        *
7078        * @hide
7079        */
7080       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7081
7082        /**
7083         * Threshold values for the duration and level of a discharge cycle,
7084         * under which we log discharge cycle info.
7085         *
7086         * @hide
7087         */
7088        public static final String
7089                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7090
7091        /** @hide */
7092        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7093
7094        /**
7095         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7096         * intents on application crashes and ANRs. If this is disabled, the
7097         * crash/ANR dialog will never display the "Report" button.
7098         * <p>
7099         * Type: int (0 = disallow, 1 = allow)
7100         *
7101         * @hide
7102         */
7103        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7104
7105        /**
7106         * Maximum age of entries kept by {@link DropBoxManager}.
7107         *
7108         * @hide
7109         */
7110        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7111
7112        /**
7113         * Maximum number of entry files which {@link DropBoxManager} will keep
7114         * around.
7115         *
7116         * @hide
7117         */
7118        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7119
7120        /**
7121         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7122         * what.
7123         *
7124         * @hide
7125         */
7126        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7127
7128        /**
7129         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7130         * will use.
7131         *
7132         * @hide
7133         */
7134        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7135
7136        /**
7137         * Percent of total disk which {@link DropBoxManager} will never dip
7138         * into.
7139         *
7140         * @hide
7141         */
7142        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7143
7144        /**
7145         * Prefix for per-tag dropbox disable/enable settings.
7146         *
7147         * @hide
7148         */
7149        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7150
7151        /**
7152         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7153         * prefix of the dropbox tag of the report type. For example,
7154         * "logcat_for_system_server_anr" controls the lines of logcat captured
7155         * with system server ANR reports. 0 to disable.
7156         *
7157         * @hide
7158         */
7159        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7160
7161        /**
7162         * The interval in minutes after which the amount of free storage left
7163         * on the device is logged to the event log
7164         *
7165         * @hide
7166         */
7167        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7168
7169        /**
7170         * Threshold for the amount of change in disk free space required to
7171         * report the amount of free space. Used to prevent spamming the logs
7172         * when the disk free space isn't changing frequently.
7173         *
7174         * @hide
7175         */
7176        public static final String
7177                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7178
7179        /**
7180         * Minimum percentage of free storage on the device that is used to
7181         * determine if the device is running low on storage. The default is 10.
7182         * <p>
7183         * Say this value is set to 10, the device is considered running low on
7184         * storage if 90% or more of the device storage is filled up.
7185         *
7186         * @hide
7187         */
7188        public static final String
7189                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7190
7191        /**
7192         * Maximum byte size of the low storage threshold. This is to ensure
7193         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7194         * overly large threshold for large storage devices. Currently this must
7195         * be less than 2GB. This default is 500MB.
7196         *
7197         * @hide
7198         */
7199        public static final String
7200                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7201
7202        /**
7203         * Minimum bytes of free storage on the device before the data partition
7204         * is considered full. By default, 1 MB is reserved to avoid system-wide
7205         * SQLite disk full exceptions.
7206         *
7207         * @hide
7208         */
7209        public static final String
7210                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7211
7212        /**
7213         * The maximum reconnect delay for short network outages or when the
7214         * network is suspended due to phone use.
7215         *
7216         * @hide
7217         */
7218        public static final String
7219                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7220
7221        /**
7222         * The number of milliseconds to delay before sending out
7223         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7224         *
7225         * @hide
7226         */
7227        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7228
7229
7230        /**
7231         * Network sampling interval, in seconds. We'll generate link information
7232         * about bytes/packets sent and error rates based on data sampled in this interval
7233         *
7234         * @hide
7235         */
7236
7237        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7238                "connectivity_sampling_interval_in_seconds";
7239
7240        /**
7241         * The series of successively longer delays used in retrying to download PAC file.
7242         * Last delay is used between successful PAC downloads.
7243         *
7244         * @hide
7245         */
7246        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7247
7248        /**
7249         * Setting to turn off captive portal detection. Feature is enabled by
7250         * default and the setting needs to be set to 0 to disable it.
7251         *
7252         * @hide
7253         */
7254        public static final String
7255                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7256
7257        /**
7258         * The server used for captive portal detection upon a new conection. A
7259         * 204 response code from the server is used for validation.
7260         *
7261         * @hide
7262         */
7263        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7264
7265        /**
7266         * Whether network service discovery is enabled.
7267         *
7268         * @hide
7269         */
7270        public static final String NSD_ON = "nsd_on";
7271
7272        /**
7273         * Let user pick default install location.
7274         *
7275         * @hide
7276         */
7277        public static final String SET_INSTALL_LOCATION = "set_install_location";
7278
7279        /**
7280         * Default install location value.
7281         * 0 = auto, let system decide
7282         * 1 = internal
7283         * 2 = sdcard
7284         * @hide
7285         */
7286        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7287
7288        /**
7289         * ms during which to consume extra events related to Inet connection
7290         * condition after a transtion to fully-connected
7291         *
7292         * @hide
7293         */
7294        public static final String
7295                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7296
7297        /**
7298         * ms during which to consume extra events related to Inet connection
7299         * condtion after a transtion to partly-connected
7300         *
7301         * @hide
7302         */
7303        public static final String
7304                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7305
7306        /** {@hide} */
7307        public static final String
7308                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7309
7310        /**
7311         * Host name and port for global http proxy. Uses ':' seperator for
7312         * between host and port.
7313         */
7314        public static final String HTTP_PROXY = "http_proxy";
7315
7316        /**
7317         * Host name for global http proxy. Set via ConnectivityManager.
7318         *
7319         * @hide
7320         */
7321        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7322
7323        /**
7324         * Integer host port for global http proxy. Set via ConnectivityManager.
7325         *
7326         * @hide
7327         */
7328        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7329
7330        /**
7331         * Exclusion list for global proxy. This string contains a list of
7332         * comma-separated domains where the global proxy does not apply.
7333         * Domains should be listed in a comma- separated list. Example of
7334         * acceptable formats: ".domain1.com,my.domain2.com" Use
7335         * ConnectivityManager to set/get.
7336         *
7337         * @hide
7338         */
7339        public static final String
7340                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7341
7342        /**
7343         * The location PAC File for the proxy.
7344         * @hide
7345         */
7346        public static final String
7347                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7348
7349        /**
7350         * Enables the UI setting to allow the user to specify the global HTTP
7351         * proxy and associated exclusion list.
7352         *
7353         * @hide
7354         */
7355        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7356
7357        /**
7358         * Setting for default DNS in case nobody suggests one
7359         *
7360         * @hide
7361         */
7362        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7363
7364        /** {@hide} */
7365        public static final String
7366                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7367        /** {@hide} */
7368        public static final String
7369                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7370        /** {@hide} */
7371        public static final String
7372                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7373        /** {@hide} */
7374        public static final String
7375                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7376        /** {@hide} */
7377        public static final String
7378                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7379
7380        /**
7381         * Device Idle (Doze) specific settings.
7382         * This is encoded as a key=value list, separated by commas. Ex:
7383         *
7384         * "inactive_timeout=60000,sensing_timeout=400000"
7385         *
7386         * The following keys are supported:
7387         *
7388         * <pre>
7389         * inactive_to                      (long)
7390         * sensing_to                       (long)
7391         * motion_inactive_to               (long)
7392         * idle_after_inactive_to           (long)
7393         * idle_pending_to                  (long)
7394         * max_idle_pending_to              (long)
7395         * idle_pending_factor              (float)
7396         * idle_to                          (long)
7397         * max_idle_to                      (long)
7398         * idle_factor                      (float)
7399         * min_time_to_alarm                (long)
7400         * max_temp_app_whitelist_duration  (long)
7401         * </pre>
7402         *
7403         * <p>
7404         * Type: string
7405         * @hide
7406         * @see com.android.server.DeviceIdleController.Constants
7407         */
7408        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7409
7410        /**
7411         * App standby (app idle) specific settings.
7412         * This is encoded as a key=value list, separated by commas. Ex:
7413         *
7414         * "idle_duration=5000,parole_interval=4500"
7415         *
7416         * The following keys are supported:
7417         *
7418         * <pre>
7419         * idle_duration        (long)
7420         * wallclock_threshold  (long)
7421         * parole_interval      (long)
7422         * parole_duration      (long)
7423         * </pre>
7424         *
7425         * <p>
7426         * Type: string
7427         * @hide
7428         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7429         */
7430        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7431
7432        /**
7433         * Alarm manager specific settings.
7434         * This is encoded as a key=value list, separated by commas. Ex:
7435         *
7436         * "min_futurity=5000,allow_while_idle_short_time=4500"
7437         *
7438         * The following keys are supported:
7439         *
7440         * <pre>
7441         * min_futurity                         (long)
7442         * min_interval                         (long)
7443         * allow_while_idle_short_time          (long)
7444         * allow_while_idle_long_time           (long)
7445         * allow_while_idle_whitelist_duration  (long)
7446         * </pre>
7447         *
7448         * <p>
7449         * Type: string
7450         * @hide
7451         * @see com.android.server.AlarmManagerService.Constants
7452         */
7453        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7454
7455        /**
7456         * Get the key that retrieves a bluetooth headset's priority.
7457         * @hide
7458         */
7459        public static final String getBluetoothHeadsetPriorityKey(String address) {
7460            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7461        }
7462
7463        /**
7464         * Get the key that retrieves a bluetooth a2dp sink's priority.
7465         * @hide
7466         */
7467        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7468            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7469        }
7470
7471        /**
7472         * Get the key that retrieves a bluetooth Input Device's priority.
7473         * @hide
7474         */
7475        public static final String getBluetoothInputDevicePriorityKey(String address) {
7476            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7477        }
7478
7479        /**
7480         * Get the key that retrieves a bluetooth map priority.
7481         * @hide
7482         */
7483        public static final String getBluetoothMapPriorityKey(String address) {
7484            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7485        }
7486
7487        /**
7488         * Get the key that retrieves a bluetooth map priority.
7489         * @hide
7490         */
7491        public static final String getBluetoothSapPriorityKey(String address) {
7492            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7493        }
7494
7495        /**
7496         * Scaling factor for normal window animations. Setting to 0 will
7497         * disable window animations.
7498         */
7499        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7500
7501        /**
7502         * Scaling factor for activity transition animations. Setting to 0 will
7503         * disable window animations.
7504         */
7505        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7506
7507        /**
7508         * Scaling factor for Animator-based animations. This affects both the
7509         * start delay and duration of all such animations. Setting to 0 will
7510         * cause animations to end immediately. The default value is 1.
7511         */
7512        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7513
7514        /**
7515         * Scaling factor for normal window animations. Setting to 0 will
7516         * disable window animations.
7517         *
7518         * @hide
7519         */
7520        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7521
7522        /**
7523         * If 0, the compatibility mode is off for all applications.
7524         * If 1, older applications run under compatibility mode.
7525         * TODO: remove this settings before code freeze (bug/1907571)
7526         * @hide
7527         */
7528        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7529
7530        /**
7531         * CDMA only settings
7532         * Emergency Tone  0 = Off
7533         *                 1 = Alert
7534         *                 2 = Vibrate
7535         * @hide
7536         */
7537        public static final String EMERGENCY_TONE = "emergency_tone";
7538
7539        /**
7540         * CDMA only settings
7541         * Whether the auto retry is enabled. The value is
7542         * boolean (1 or 0).
7543         * @hide
7544         */
7545        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7546
7547        /**
7548         * See RIL_PreferredNetworkType in ril.h
7549         * @hide
7550         */
7551        public static final String PREFERRED_NETWORK_MODE =
7552                "preferred_network_mode";
7553
7554        /**
7555         * Name of an application package to be debugged.
7556         */
7557        public static final String DEBUG_APP = "debug_app";
7558
7559        /**
7560         * If 1, when launching DEBUG_APP it will wait for the debugger before
7561         * starting user code.  If 0, it will run normally.
7562         */
7563        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7564
7565        /**
7566         * Control whether the process CPU usage meter should be shown.
7567         */
7568        public static final String SHOW_PROCESSES = "show_processes";
7569
7570        /**
7571         * If 1 low power mode is enabled.
7572         * @hide
7573         */
7574        public static final String LOW_POWER_MODE = "low_power";
7575
7576        /**
7577         * Battery level [1-99] at which low power mode automatically turns on.
7578         * If 0, it will not automatically turn on.
7579         * @hide
7580         */
7581        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7582
7583         /**
7584         * If 1, the activity manager will aggressively finish activities and
7585         * processes as soon as they are no longer needed.  If 0, the normal
7586         * extended lifetime is used.
7587         */
7588        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7589
7590        /**
7591         * Use Dock audio output for media:
7592         *      0 = disabled
7593         *      1 = enabled
7594         * @hide
7595         */
7596        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7597
7598        /**
7599         * Persisted safe headphone volume management state by AudioService
7600         * @hide
7601         */
7602        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7603
7604        /**
7605         * URL for tzinfo (time zone) updates
7606         * @hide
7607         */
7608        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7609
7610        /**
7611         * URL for tzinfo (time zone) update metadata
7612         * @hide
7613         */
7614        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7615
7616        /**
7617         * URL for selinux (mandatory access control) updates
7618         * @hide
7619         */
7620        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7621
7622        /**
7623         * URL for selinux (mandatory access control) update metadata
7624         * @hide
7625         */
7626        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7627
7628        /**
7629         * URL for sms short code updates
7630         * @hide
7631         */
7632        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7633                "sms_short_codes_content_url";
7634
7635        /**
7636         * URL for sms short code update metadata
7637         * @hide
7638         */
7639        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7640                "sms_short_codes_metadata_url";
7641
7642        /**
7643         * URL for apn_db updates
7644         * @hide
7645         */
7646        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7647
7648        /**
7649         * URL for apn_db update metadata
7650         * @hide
7651         */
7652        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7653
7654        /**
7655         * URL for cert pinlist updates
7656         * @hide
7657         */
7658        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7659
7660        /**
7661         * URL for cert pinlist updates
7662         * @hide
7663         */
7664        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7665
7666        /**
7667         * URL for intent firewall updates
7668         * @hide
7669         */
7670        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7671                "intent_firewall_content_url";
7672
7673        /**
7674         * URL for intent firewall update metadata
7675         * @hide
7676         */
7677        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7678                "intent_firewall_metadata_url";
7679
7680        /**
7681         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7682         * @hide
7683         */
7684        public static final String SELINUX_STATUS = "selinux_status";
7685
7686        /**
7687         * Developer setting to force RTL layout.
7688         * @hide
7689         */
7690        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7691
7692        /**
7693         * Milliseconds after screen-off after which low battery sounds will be silenced.
7694         *
7695         * If zero, battery sounds will always play.
7696         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7697         *
7698         * @hide
7699         */
7700        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7701
7702        /**
7703         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7704         * the caller is done with this, they should call {@link ContentResolver#delete} to
7705         * clean up any value that they may have written.
7706         *
7707         * @hide
7708         */
7709        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7710
7711        /**
7712         * Defines global runtime overrides to window policy.
7713         *
7714         * See {@link com.android.server.policy.PolicyControl} for value format.
7715         *
7716         * @hide
7717         */
7718        public static final String POLICY_CONTROL = "policy_control";
7719
7720        /**
7721         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7722         * or ZEN_MODE_NO_INTERRUPTIONS.
7723         *
7724         * @hide
7725         */
7726        public static final String ZEN_MODE = "zen_mode";
7727
7728        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7729        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7730        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7731        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7732
7733        /** @hide */ public static String zenModeToString(int mode) {
7734            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7735            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7736            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7737            return "ZEN_MODE_OFF";
7738        }
7739
7740        /** @hide */ public static boolean isValidZenMode(int value) {
7741            switch (value) {
7742                case Global.ZEN_MODE_OFF:
7743                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7744                case Global.ZEN_MODE_ALARMS:
7745                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7746                    return true;
7747                default:
7748                    return false;
7749            }
7750        }
7751
7752        /**
7753         * Value of the ringer before entering zen mode.
7754         *
7755         * @hide
7756         */
7757        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7758
7759        /**
7760         * Opaque value, changes when persisted zen mode configuration changes.
7761         *
7762         * @hide
7763         */
7764        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7765
7766        /**
7767         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7768         *
7769         * @hide
7770         */
7771        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7772                "heads_up_notifications_enabled";
7773
7774        /** @hide */ public static final int HEADS_UP_OFF = 0;
7775        /** @hide */ public static final int HEADS_UP_ON = 1;
7776
7777        /**
7778         * The name of the device
7779         *
7780         * @hide
7781         */
7782        public static final String DEVICE_NAME = "device_name";
7783
7784        /**
7785         * Whether the NetworkScoringService has been first initialized.
7786         * <p>
7787         * Type: int (0 for false, 1 for true)
7788         * @hide
7789         */
7790        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7791
7792        /**
7793         * Whether the user wants to be prompted for password to decrypt the device on boot.
7794         * This only matters if the storage is encrypted.
7795         * <p>
7796         * Type: int (0 for false, 1 for true)
7797         * @hide
7798         */
7799        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7800
7801        /**
7802         * Whether the Volte is enabled
7803         * <p>
7804         * Type: int (0 for false, 1 for true)
7805         * @hide
7806         */
7807        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7808
7809        /**
7810         * Whether VT (Video Telephony over IMS) is enabled
7811         * <p>
7812         * Type: int (0 for false, 1 for true)
7813         *
7814         * @hide
7815         */
7816        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7817
7818        /**
7819         * Whether WFC is enabled
7820         * <p>
7821         * Type: int (0 for false, 1 for true)
7822         *
7823         * @hide
7824         */
7825        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7826
7827        /**
7828         * WFC Mode.
7829         * <p>
7830         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7831         *
7832         * @hide
7833         */
7834        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7835
7836        /**
7837         * Whether WFC roaming is enabled
7838         * <p>
7839         * Type: int (0 for false, 1 for true)
7840         *
7841         * @hide
7842         */
7843        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7844
7845        /**
7846         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7847         * this via gservices, OMA-DM, carrier app, etc.
7848         * <p>
7849         * Type: int (0 for false, 1 for true)
7850         * @hide
7851         */
7852        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7853
7854        /**
7855         * Ephemeral app cookie max size in bytes.
7856         * <p>
7857         * Type: int
7858         * @hide
7859         */
7860        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
7861                "ephemeral_cookie_max_size_bytes";
7862
7863        /**
7864         * The duration for caching uninstalled ephemeral apps.
7865         * <p>
7866         * Type: long
7867         * @hide
7868         */
7869        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
7870                "uninstalled_ephemeral_app_cache_duration_millis";
7871
7872        /**
7873         * Settings to backup. This is here so that it's in the same place as the settings
7874         * keys and easy to update.
7875         *
7876         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7877         * and Secure as well.  This is because those tables drive both backup and
7878         * restore, and restore needs to properly whitelist keys that used to live
7879         * in those namespaces.  The keys will only actually be backed up / restored
7880         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7881         *
7882         * NOTE: Settings are backed up and restored in the order they appear
7883         *       in this array. If you have one setting depending on another,
7884         *       make sure that they are ordered appropriately.
7885         *
7886         * @hide
7887         */
7888        public static final String[] SETTINGS_TO_BACKUP = {
7889            BUGREPORT_IN_POWER_MENU,
7890            STAY_ON_WHILE_PLUGGED_IN,
7891            AUTO_TIME,
7892            AUTO_TIME_ZONE,
7893            POWER_SOUNDS_ENABLED,
7894            DOCK_SOUNDS_ENABLED,
7895            CHARGING_SOUNDS_ENABLED,
7896            USB_MASS_STORAGE_ENABLED,
7897            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7898            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7899            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7900            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7901            WIFI_NUM_OPEN_NETWORKS_KEPT,
7902            EMERGENCY_TONE,
7903            CALL_AUTO_RETRY,
7904            DOCK_AUDIO_MEDIA_ENABLED,
7905            LOW_POWER_MODE_TRIGGER_LEVEL
7906        };
7907
7908        // Populated lazily, guarded by class object:
7909        private static NameValueCache sNameValueCache = new NameValueCache(
7910                    SYS_PROP_SETTING_VERSION,
7911                    CONTENT_URI,
7912                    CALL_METHOD_GET_GLOBAL,
7913                    CALL_METHOD_PUT_GLOBAL);
7914
7915        // Certain settings have been moved from global to the per-user secure namespace
7916        private static final HashSet<String> MOVED_TO_SECURE;
7917        static {
7918            MOVED_TO_SECURE = new HashSet<String>(1);
7919            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7920        }
7921
7922        /** @hide */
7923        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7924            outKeySet.addAll(MOVED_TO_SECURE);
7925        }
7926
7927        /**
7928         * Look up a name in the database.
7929         * @param resolver to access the database with
7930         * @param name to look up in the table
7931         * @return the corresponding value, or null if not present
7932         */
7933        public static String getString(ContentResolver resolver, String name) {
7934            return getStringForUser(resolver, name, UserHandle.myUserId());
7935        }
7936
7937        /** @hide */
7938        public static String getStringForUser(ContentResolver resolver, String name,
7939                int userHandle) {
7940            if (MOVED_TO_SECURE.contains(name)) {
7941                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7942                        + " to android.provider.Settings.Secure, returning read-only value.");
7943                return Secure.getStringForUser(resolver, name, userHandle);
7944            }
7945            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7946        }
7947
7948        /**
7949         * Store a name/value pair into the database.
7950         * @param resolver to access the database with
7951         * @param name to store
7952         * @param value to associate with the name
7953         * @return true if the value was set, false on database errors
7954         */
7955        public static boolean putString(ContentResolver resolver,
7956                String name, String value) {
7957            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7958        }
7959
7960        /** @hide */
7961        public static boolean putStringForUser(ContentResolver resolver,
7962                String name, String value, int userHandle) {
7963            if (LOCAL_LOGV) {
7964                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
7965                        + " for " + userHandle);
7966            }
7967            // Global and Secure have the same access policy so we can forward writes
7968            if (MOVED_TO_SECURE.contains(name)) {
7969                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7970                        + " to android.provider.Settings.Secure, value is unchanged.");
7971                return Secure.putStringForUser(resolver, name, value, userHandle);
7972            }
7973            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
7974        }
7975
7976        /**
7977         * Construct the content URI for a particular name/value pair,
7978         * useful for monitoring changes with a ContentObserver.
7979         * @param name to look up in the table
7980         * @return the corresponding content URI, or null if not present
7981         */
7982        public static Uri getUriFor(String name) {
7983            return getUriFor(CONTENT_URI, name);
7984        }
7985
7986        /**
7987         * Convenience function for retrieving a single secure settings value
7988         * as an integer.  Note that internally setting values are always
7989         * stored as strings; this function converts the string to an integer
7990         * for you.  The default value will be returned if the setting is
7991         * not defined or not an integer.
7992         *
7993         * @param cr The ContentResolver to access.
7994         * @param name The name of the setting to retrieve.
7995         * @param def Value to return if the setting is not defined.
7996         *
7997         * @return The setting's current value, or 'def' if it is not defined
7998         * or not a valid integer.
7999         */
8000        public static int getInt(ContentResolver cr, String name, int def) {
8001            String v = getString(cr, name);
8002            try {
8003                return v != null ? Integer.parseInt(v) : def;
8004            } catch (NumberFormatException e) {
8005                return def;
8006            }
8007        }
8008
8009        /**
8010         * Convenience function for retrieving a single secure settings value
8011         * as an integer.  Note that internally setting values are always
8012         * stored as strings; this function converts the string to an integer
8013         * for you.
8014         * <p>
8015         * This version does not take a default value.  If the setting has not
8016         * been set, or the string value is not a number,
8017         * it throws {@link SettingNotFoundException}.
8018         *
8019         * @param cr The ContentResolver to access.
8020         * @param name The name of the setting to retrieve.
8021         *
8022         * @throws SettingNotFoundException Thrown if a setting by the given
8023         * name can't be found or the setting value is not an integer.
8024         *
8025         * @return The setting's current value.
8026         */
8027        public static int getInt(ContentResolver cr, String name)
8028                throws SettingNotFoundException {
8029            String v = getString(cr, name);
8030            try {
8031                return Integer.parseInt(v);
8032            } catch (NumberFormatException e) {
8033                throw new SettingNotFoundException(name);
8034            }
8035        }
8036
8037        /**
8038         * Convenience function for updating a single settings value as an
8039         * integer. This will either create a new entry in the table if the
8040         * given name does not exist, or modify the value of the existing row
8041         * with that name.  Note that internally setting values are always
8042         * stored as strings, so this function converts the given value to a
8043         * string before storing it.
8044         *
8045         * @param cr The ContentResolver to access.
8046         * @param name The name of the setting to modify.
8047         * @param value The new value for the setting.
8048         * @return true if the value was set, false on database errors
8049         */
8050        public static boolean putInt(ContentResolver cr, String name, int value) {
8051            return putString(cr, name, Integer.toString(value));
8052        }
8053
8054        /**
8055         * Convenience function for retrieving a single secure settings value
8056         * as a {@code long}.  Note that internally setting values are always
8057         * stored as strings; this function converts the string to a {@code long}
8058         * for you.  The default value will be returned if the setting is
8059         * not defined or not a {@code long}.
8060         *
8061         * @param cr The ContentResolver to access.
8062         * @param name The name of the setting to retrieve.
8063         * @param def Value to return if the setting is not defined.
8064         *
8065         * @return The setting's current value, or 'def' if it is not defined
8066         * or not a valid {@code long}.
8067         */
8068        public static long getLong(ContentResolver cr, String name, long def) {
8069            String valString = getString(cr, name);
8070            long value;
8071            try {
8072                value = valString != null ? Long.parseLong(valString) : def;
8073            } catch (NumberFormatException e) {
8074                value = def;
8075            }
8076            return value;
8077        }
8078
8079        /**
8080         * Convenience function for retrieving a single secure settings value
8081         * as a {@code long}.  Note that internally setting values are always
8082         * stored as strings; this function converts the string to a {@code long}
8083         * for you.
8084         * <p>
8085         * This version does not take a default value.  If the setting has not
8086         * been set, or the string value is not a number,
8087         * it throws {@link SettingNotFoundException}.
8088         *
8089         * @param cr The ContentResolver to access.
8090         * @param name The name of the setting to retrieve.
8091         *
8092         * @return The setting's current value.
8093         * @throws SettingNotFoundException Thrown if a setting by the given
8094         * name can't be found or the setting value is not an integer.
8095         */
8096        public static long getLong(ContentResolver cr, String name)
8097                throws SettingNotFoundException {
8098            String valString = getString(cr, name);
8099            try {
8100                return Long.parseLong(valString);
8101            } catch (NumberFormatException e) {
8102                throw new SettingNotFoundException(name);
8103            }
8104        }
8105
8106        /**
8107         * Convenience function for updating a secure settings value as a long
8108         * integer. This will either create a new entry in the table if the
8109         * given name does not exist, or modify the value of the existing row
8110         * with that name.  Note that internally setting values are always
8111         * stored as strings, so this function converts the given value to a
8112         * string before storing it.
8113         *
8114         * @param cr The ContentResolver to access.
8115         * @param name The name of the setting to modify.
8116         * @param value The new value for the setting.
8117         * @return true if the value was set, false on database errors
8118         */
8119        public static boolean putLong(ContentResolver cr, String name, long value) {
8120            return putString(cr, name, Long.toString(value));
8121        }
8122
8123        /**
8124         * Convenience function for retrieving a single secure settings value
8125         * as a floating point number.  Note that internally setting values are
8126         * always stored as strings; this function converts the string to an
8127         * float for you. The default value will be returned if the setting
8128         * is not defined or not a valid float.
8129         *
8130         * @param cr The ContentResolver to access.
8131         * @param name The name of the setting to retrieve.
8132         * @param def Value to return if the setting is not defined.
8133         *
8134         * @return The setting's current value, or 'def' if it is not defined
8135         * or not a valid float.
8136         */
8137        public static float getFloat(ContentResolver cr, String name, float def) {
8138            String v = getString(cr, name);
8139            try {
8140                return v != null ? Float.parseFloat(v) : def;
8141            } catch (NumberFormatException e) {
8142                return def;
8143            }
8144        }
8145
8146        /**
8147         * Convenience function for retrieving a single secure settings value
8148         * as a float.  Note that internally setting values are always
8149         * stored as strings; this function converts the string to a float
8150         * for you.
8151         * <p>
8152         * This version does not take a default value.  If the setting has not
8153         * been set, or the string value is not a number,
8154         * it throws {@link SettingNotFoundException}.
8155         *
8156         * @param cr The ContentResolver to access.
8157         * @param name The name of the setting to retrieve.
8158         *
8159         * @throws SettingNotFoundException Thrown if a setting by the given
8160         * name can't be found or the setting value is not a float.
8161         *
8162         * @return The setting's current value.
8163         */
8164        public static float getFloat(ContentResolver cr, String name)
8165                throws SettingNotFoundException {
8166            String v = getString(cr, name);
8167            if (v == null) {
8168                throw new SettingNotFoundException(name);
8169            }
8170            try {
8171                return Float.parseFloat(v);
8172            } catch (NumberFormatException e) {
8173                throw new SettingNotFoundException(name);
8174            }
8175        }
8176
8177        /**
8178         * Convenience function for updating a single settings value as a
8179         * floating point number. This will either create a new entry in the
8180         * table if the given name does not exist, or modify the value of the
8181         * existing row with that name.  Note that internally setting values
8182         * are always stored as strings, so this function converts the given
8183         * value to a string before storing it.
8184         *
8185         * @param cr The ContentResolver to access.
8186         * @param name The name of the setting to modify.
8187         * @param value The new value for the setting.
8188         * @return true if the value was set, false on database errors
8189         */
8190        public static boolean putFloat(ContentResolver cr, String name, float value) {
8191            return putString(cr, name, Float.toString(value));
8192        }
8193
8194
8195        /**
8196          * Subscription to be used for voice call on a multi sim device. The supported values
8197          * are 0 = SUB1, 1 = SUB2 and etc.
8198          * @hide
8199          */
8200        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8201
8202        /**
8203          * Used to provide option to user to select subscription during dial.
8204          * The supported values are 0 = disable or 1 = enable prompt.
8205          * @hide
8206          */
8207        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8208
8209        /**
8210          * Subscription to be used for data call on a multi sim device. The supported values
8211          * are 0 = SUB1, 1 = SUB2 and etc.
8212          * @hide
8213          */
8214        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8215
8216        /**
8217          * Subscription to be used for SMS on a multi sim device. The supported values
8218          * are 0 = SUB1, 1 = SUB2 and etc.
8219          * @hide
8220          */
8221        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8222
8223       /**
8224          * Used to provide option to user to select subscription during send SMS.
8225          * The value 1 - enable, 0 - disable
8226          * @hide
8227          */
8228        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8229
8230
8231
8232        /** User preferred subscriptions setting.
8233          * This holds the details of the user selected subscription from the card and
8234          * the activation status. Each settings string have the coma separated values
8235          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8236          * @hide
8237         */
8238        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8239                "user_preferred_sub2","user_preferred_sub3"};
8240
8241        /**
8242         * Whether to enable new contacts aggregator or not.
8243         * The value 1 - enable, 0 - disable
8244         * @hide
8245         */
8246        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8247
8248        /**
8249         * Whether to enable contacts metadata syncing or not
8250         * The value 1 - enable, 0 - disable
8251         * @hide
8252         */
8253        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8254
8255        /**
8256         * Whether to enable cellular on boot.
8257         * The value 1 - enable, 0 - disable
8258         * @hide
8259         */
8260        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8261    }
8262
8263    /**
8264     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8265     * Intent URL, allowing it to be either a web page or a particular
8266     * application activity.
8267     *
8268     * @hide
8269     */
8270    public static final class Bookmarks implements BaseColumns
8271    {
8272        private static final String TAG = "Bookmarks";
8273
8274        /**
8275         * The content:// style URL for this table
8276         */
8277        public static final Uri CONTENT_URI =
8278            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8279
8280        /**
8281         * The row ID.
8282         * <p>Type: INTEGER</p>
8283         */
8284        public static final String ID = "_id";
8285
8286        /**
8287         * Descriptive name of the bookmark that can be displayed to the user.
8288         * If this is empty, the title should be resolved at display time (use
8289         * {@link #getTitle(Context, Cursor)} any time you want to display the
8290         * title of a bookmark.)
8291         * <P>
8292         * Type: TEXT
8293         * </P>
8294         */
8295        public static final String TITLE = "title";
8296
8297        /**
8298         * Arbitrary string (displayed to the user) that allows bookmarks to be
8299         * organized into categories.  There are some special names for
8300         * standard folders, which all start with '@'.  The label displayed for
8301         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8302         * the folder name does not change so you can consistently query for
8303         * the folder regardless of the current locale.
8304         *
8305         * <P>Type: TEXT</P>
8306         *
8307         */
8308        public static final String FOLDER = "folder";
8309
8310        /**
8311         * The Intent URL of the bookmark, describing what it points to.  This
8312         * value is given to {@link android.content.Intent#getIntent} to create
8313         * an Intent that can be launched.
8314         * <P>Type: TEXT</P>
8315         */
8316        public static final String INTENT = "intent";
8317
8318        /**
8319         * Optional shortcut character associated with this bookmark.
8320         * <P>Type: INTEGER</P>
8321         */
8322        public static final String SHORTCUT = "shortcut";
8323
8324        /**
8325         * The order in which the bookmark should be displayed
8326         * <P>Type: INTEGER</P>
8327         */
8328        public static final String ORDERING = "ordering";
8329
8330        private static final String[] sIntentProjection = { INTENT };
8331        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8332        private static final String sShortcutSelection = SHORTCUT + "=?";
8333
8334        /**
8335         * Convenience function to retrieve the bookmarked Intent for a
8336         * particular shortcut key.
8337         *
8338         * @param cr The ContentResolver to query.
8339         * @param shortcut The shortcut key.
8340         *
8341         * @return Intent The bookmarked URL, or null if there is no bookmark
8342         *         matching the given shortcut.
8343         */
8344        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8345        {
8346            Intent intent = null;
8347
8348            Cursor c = cr.query(CONTENT_URI,
8349                    sIntentProjection, sShortcutSelection,
8350                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8351            // Keep trying until we find a valid shortcut
8352            try {
8353                while (intent == null && c.moveToNext()) {
8354                    try {
8355                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8356                        intent = Intent.parseUri(intentURI, 0);
8357                    } catch (java.net.URISyntaxException e) {
8358                        // The stored URL is bad...  ignore it.
8359                    } catch (IllegalArgumentException e) {
8360                        // Column not found
8361                        Log.w(TAG, "Intent column not found", e);
8362                    }
8363                }
8364            } finally {
8365                if (c != null) c.close();
8366            }
8367
8368            return intent;
8369        }
8370
8371        /**
8372         * Add a new bookmark to the system.
8373         *
8374         * @param cr The ContentResolver to query.
8375         * @param intent The desired target of the bookmark.
8376         * @param title Bookmark title that is shown to the user; null if none
8377         *            or it should be resolved to the intent's title.
8378         * @param folder Folder in which to place the bookmark; null if none.
8379         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8380         *            this is non-zero and there is an existing bookmark entry
8381         *            with this same shortcut, then that existing shortcut is
8382         *            cleared (the bookmark is not removed).
8383         * @return The unique content URL for the new bookmark entry.
8384         */
8385        public static Uri add(ContentResolver cr,
8386                                           Intent intent,
8387                                           String title,
8388                                           String folder,
8389                                           char shortcut,
8390                                           int ordering)
8391        {
8392            // If a shortcut is supplied, and it is already defined for
8393            // another bookmark, then remove the old definition.
8394            if (shortcut != 0) {
8395                cr.delete(CONTENT_URI, sShortcutSelection,
8396                        new String[] { String.valueOf((int) shortcut) });
8397            }
8398
8399            ContentValues values = new ContentValues();
8400            if (title != null) values.put(TITLE, title);
8401            if (folder != null) values.put(FOLDER, folder);
8402            values.put(INTENT, intent.toUri(0));
8403            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8404            values.put(ORDERING, ordering);
8405            return cr.insert(CONTENT_URI, values);
8406        }
8407
8408        /**
8409         * Return the folder name as it should be displayed to the user.  This
8410         * takes care of localizing special folders.
8411         *
8412         * @param r Resources object for current locale; only need access to
8413         *          system resources.
8414         * @param folder The value found in the {@link #FOLDER} column.
8415         *
8416         * @return CharSequence The label for this folder that should be shown
8417         *         to the user.
8418         */
8419        public static CharSequence getLabelForFolder(Resources r, String folder) {
8420            return folder;
8421        }
8422
8423        /**
8424         * Return the title as it should be displayed to the user. This takes
8425         * care of localizing bookmarks that point to activities.
8426         *
8427         * @param context A context.
8428         * @param cursor A cursor pointing to the row whose title should be
8429         *        returned. The cursor must contain at least the {@link #TITLE}
8430         *        and {@link #INTENT} columns.
8431         * @return A title that is localized and can be displayed to the user,
8432         *         or the empty string if one could not be found.
8433         */
8434        public static CharSequence getTitle(Context context, Cursor cursor) {
8435            int titleColumn = cursor.getColumnIndex(TITLE);
8436            int intentColumn = cursor.getColumnIndex(INTENT);
8437            if (titleColumn == -1 || intentColumn == -1) {
8438                throw new IllegalArgumentException(
8439                        "The cursor must contain the TITLE and INTENT columns.");
8440            }
8441
8442            String title = cursor.getString(titleColumn);
8443            if (!TextUtils.isEmpty(title)) {
8444                return title;
8445            }
8446
8447            String intentUri = cursor.getString(intentColumn);
8448            if (TextUtils.isEmpty(intentUri)) {
8449                return "";
8450            }
8451
8452            Intent intent;
8453            try {
8454                intent = Intent.parseUri(intentUri, 0);
8455            } catch (URISyntaxException e) {
8456                return "";
8457            }
8458
8459            PackageManager packageManager = context.getPackageManager();
8460            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8461            return info != null ? info.loadLabel(packageManager) : "";
8462        }
8463    }
8464
8465    /**
8466     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8467     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8468     * from the GoogleLoginService.
8469     *
8470     * @param androidId The Android ID for this device.
8471     * @return The device ID that should be used when connecting to the mobile gtalk server.
8472     * @hide
8473     */
8474    public static String getGTalkDeviceId(long androidId) {
8475        return "android-" + Long.toHexString(androidId);
8476    }
8477
8478    private static final String[] PM_WRITE_SETTINGS = {
8479        android.Manifest.permission.WRITE_SETTINGS
8480    };
8481    private static final String[] PM_CHANGE_NETWORK_STATE = {
8482        android.Manifest.permission.CHANGE_NETWORK_STATE,
8483        android.Manifest.permission.WRITE_SETTINGS
8484    };
8485    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8486        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8487    };
8488
8489    /**
8490     * Performs a strict and comprehensive check of whether a calling package is allowed to
8491     * write/modify system settings, as the condition differs for pre-M, M+, and
8492     * privileged/preinstalled apps. If the provided uid does not match the
8493     * callingPackage, a negative result will be returned.
8494     * @hide
8495     */
8496    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8497            String callingPackage, boolean throwException) {
8498        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8499                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8500                PM_WRITE_SETTINGS, false);
8501    }
8502
8503    /**
8504     * Performs a strict and comprehensive check of whether a calling package is allowed to
8505     * write/modify system settings, as the condition differs for pre-M, M+, and
8506     * privileged/preinstalled apps. If the provided uid does not match the
8507     * callingPackage, a negative result will be returned. The caller is expected to have
8508     * the WRITE_SETTINGS permission declared.
8509     *
8510     * Note: if the check is successful, the operation of this app will be updated to the
8511     * current time.
8512     * @hide
8513     */
8514    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8515            String callingPackage, boolean throwException) {
8516        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8517                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8518                PM_WRITE_SETTINGS, true);
8519    }
8520
8521    /**
8522     * Performs a strict and comprehensive check of whether a calling package is allowed to
8523     * change the state of network, as the condition differs for pre-M, M+, and
8524     * privileged/preinstalled apps. The caller is expected to have either the
8525     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8526     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8527     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8528     * permission and cannot be revoked. See http://b/23597341
8529     *
8530     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8531     * of this app will be updated to the current time.
8532     * @hide
8533     */
8534    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8535            String callingPackage, boolean throwException) {
8536        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8537                == PackageManager.PERMISSION_GRANTED) {
8538            return true;
8539        }
8540        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8541                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8542                PM_CHANGE_NETWORK_STATE, true);
8543    }
8544
8545    /**
8546     * Performs a strict and comprehensive check of whether a calling package is allowed to
8547     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8548     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8549     * a negative result will be returned.
8550     * @hide
8551     */
8552    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8553            String callingPackage, boolean throwException) {
8554        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8555                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8556                PM_SYSTEM_ALERT_WINDOW, false);
8557    }
8558
8559    /**
8560     * Performs a strict and comprehensive check of whether a calling package is allowed to
8561     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8562     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8563     * a negative result will be returned.
8564     *
8565     * Note: if the check is successful, the operation of this app will be updated to the
8566     * current time.
8567     * @hide
8568     */
8569    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8570            callingPackage, boolean throwException) {
8571        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8572                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8573                PM_SYSTEM_ALERT_WINDOW, true);
8574    }
8575
8576    /**
8577     * Helper method to perform a general and comprehensive check of whether an operation that is
8578     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8579     * OP_WRITE_SETTINGS
8580     * @hide
8581     */
8582    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8583            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8584            permissions, boolean makeNote) {
8585        if (callingPackage == null) {
8586            return false;
8587        }
8588
8589        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8590        int mode = AppOpsManager.MODE_DEFAULT;
8591        if (makeNote) {
8592            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8593        } else {
8594            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8595        }
8596
8597        switch (mode) {
8598            case AppOpsManager.MODE_ALLOWED:
8599                return true;
8600
8601            case AppOpsManager.MODE_DEFAULT:
8602                // this is the default operating mode after an app's installation
8603                // In this case we will check all associated static permission to see
8604                // if it is granted during install time.
8605                for (String permission : permissions) {
8606                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8607                            .PERMISSION_GRANTED) {
8608                        // if either of the permissions are granted, we will allow it
8609                        return true;
8610                    }
8611                }
8612
8613            default:
8614                // this is for all other cases trickled down here...
8615                if (!throwException) {
8616                    return false;
8617                }
8618        }
8619
8620        // prepare string to throw SecurityException
8621        StringBuilder exceptionMessage = new StringBuilder();
8622        exceptionMessage.append(callingPackage);
8623        exceptionMessage.append(" was not granted ");
8624        if (permissions.length > 1) {
8625            exceptionMessage.append(" either of these permissions: ");
8626        } else {
8627            exceptionMessage.append(" this permission: ");
8628        }
8629        for (int i = 0; i < permissions.length; i++) {
8630            exceptionMessage.append(permissions[i]);
8631            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8632        }
8633
8634        throw new SecurityException(exceptionMessage.toString());
8635    }
8636
8637    /**
8638     * Retrieves a correponding package name for a given uid. It will query all
8639     * packages that are associated with the given uid, but it will return only
8640     * the zeroth result.
8641     * Note: If package could not be found, a null is returned.
8642     * @hide
8643     */
8644    public static String getPackageNameForUid(Context context, int uid) {
8645        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8646        if (packages == null) {
8647            return null;
8648        }
8649        return packages[0];
8650    }
8651}
8652