Settings.java revision 9b278112467581e2b8d99f29cf48b9fbef9cc53f
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    /**
1143     * Activity Action: Show a dialog with disabled by policy message.
1144     * <p> If an user action is disabled by policy, this dialog can be triggered to let
1145     * the user know about this.
1146     * <p>
1147     * Input: Nothing.
1148     * <p>
1149     * Output: Nothing.
1150     */
1151    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1152    public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
1153            = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";
1154
1155    // End of Intent actions for Settings
1156
1157    /**
1158     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1159     */
1160    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1161
1162    /**
1163     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1164     */
1165    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1166
1167    /**
1168     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1169     */
1170    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1171
1172    /**
1173     * @hide - User handle argument extra to the fast-path call()-based requests
1174     */
1175    public static final String CALL_METHOD_USER_KEY = "_user";
1176
1177    /** @hide - Private call() method to write to 'system' table */
1178    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1179
1180    /** @hide - Private call() method to write to 'secure' table */
1181    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1182
1183    /** @hide - Private call() method to write to 'global' table */
1184    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1185
1186    /**
1187     * Activity Extra: Limit available options in launched activity based on the given authority.
1188     * <p>
1189     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1190     * provider's authorities as a String[]. This field is used by some intents to alter the
1191     * behavior of the called activity.
1192     * <p>
1193     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1194     * on the authority given.
1195     */
1196    public static final String EXTRA_AUTHORITIES = "authorities";
1197
1198    /**
1199     * Activity Extra: Limit available options in launched activity based on the given account
1200     * types.
1201     * <p>
1202     * This can be passed as an extra field in an Activity Intent with one or more account types
1203     * as a String[]. This field is used by some intents to alter the behavior of the called
1204     * activity.
1205     * <p>
1206     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1207     * list.
1208     */
1209    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1210
1211    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1212
1213    /**
1214     * Activity Extra: The device identifier to act upon.
1215     * <p>
1216     * This can be passed as an extra field in an Activity Intent with a single
1217     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1218     * settings for the given device.
1219     * <p>
1220     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1221     * dialog for the given device.
1222     * @hide
1223     */
1224    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1225
1226    /**
1227     * Activity Extra: Enable or disable Airplane Mode.
1228     * <p>
1229     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1230     * intent as a boolean to indicate if it should be enabled.
1231     */
1232    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1233
1234    /**
1235     * Activity Extra: Enable or disable Battery saver mode.
1236     * <p>
1237     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1238     * intent as a boolean to indicate if it should be enabled.
1239     */
1240    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1241            "android.settings.extra.battery_saver_mode_enabled";
1242
1243    /**
1244     * Activity Extra: Enable or disable Do Not Disturb mode.
1245     * <p>
1246     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1247     * intent as a boolean to indicate if it should be enabled.
1248     */
1249    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1250            "android.settings.extra.do_not_disturb_mode_enabled";
1251
1252    /**
1253     * Activity Extra: How many minutes to enable do not disturb mode for.
1254     * <p>
1255     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1256     * intent to indicate how long do not disturb mode should be enabled for.
1257     */
1258    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1259            "android.settings.extra.do_not_disturb_mode_minutes";
1260
1261    private static final String JID_RESOURCE_PREFIX = "android";
1262
1263    public static final String AUTHORITY = "settings";
1264
1265    private static final String TAG = "Settings";
1266    private static final boolean LOCAL_LOGV = false;
1267
1268    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1269    // with a partial enable/disable state in multi-threaded situations.
1270    private static final Object mLocationSettingsLock = new Object();
1271
1272    public static class SettingNotFoundException extends AndroidException {
1273        public SettingNotFoundException(String msg) {
1274            super(msg);
1275        }
1276    }
1277
1278    /**
1279     * Common base for tables of name/value settings.
1280     */
1281    public static class NameValueTable implements BaseColumns {
1282        public static final String NAME = "name";
1283        public static final String VALUE = "value";
1284
1285        protected static boolean putString(ContentResolver resolver, Uri uri,
1286                String name, String value) {
1287            // The database will take care of replacing duplicates.
1288            try {
1289                ContentValues values = new ContentValues();
1290                values.put(NAME, name);
1291                values.put(VALUE, value);
1292                resolver.insert(uri, values);
1293                return true;
1294            } catch (SQLException e) {
1295                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1296                return false;
1297            }
1298        }
1299
1300        public static Uri getUriFor(Uri uri, String name) {
1301            return Uri.withAppendedPath(uri, name);
1302        }
1303    }
1304
1305    // Thread-safe.
1306    private static class NameValueCache {
1307        private final String mVersionSystemProperty;
1308        private final Uri mUri;
1309
1310        private static final String[] SELECT_VALUE =
1311            new String[] { Settings.NameValueTable.VALUE };
1312        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1313
1314        // Must synchronize on 'this' to access mValues and mValuesVersion.
1315        private final HashMap<String, String> mValues = new HashMap<String, String>();
1316        private long mValuesVersion = 0;
1317
1318        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1319        private IContentProvider mContentProvider = null;
1320
1321        // The method we'll call (or null, to not use) on the provider
1322        // for the fast path of retrieving settings.
1323        private final String mCallGetCommand;
1324        private final String mCallSetCommand;
1325
1326        public NameValueCache(String versionSystemProperty, Uri uri,
1327                String getCommand, String setCommand) {
1328            mVersionSystemProperty = versionSystemProperty;
1329            mUri = uri;
1330            mCallGetCommand = getCommand;
1331            mCallSetCommand = setCommand;
1332        }
1333
1334        private IContentProvider lazyGetProvider(ContentResolver cr) {
1335            IContentProvider cp = null;
1336            synchronized (this) {
1337                cp = mContentProvider;
1338                if (cp == null) {
1339                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1340                }
1341            }
1342            return cp;
1343        }
1344
1345        public boolean putStringForUser(ContentResolver cr, String name, String value,
1346                final int userHandle) {
1347            try {
1348                Bundle arg = new Bundle();
1349                arg.putString(Settings.NameValueTable.VALUE, value);
1350                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1351                IContentProvider cp = lazyGetProvider(cr);
1352                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1353            } catch (RemoteException e) {
1354                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1355                return false;
1356            }
1357            return true;
1358        }
1359
1360        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1361            final boolean isSelf = (userHandle == UserHandle.myUserId());
1362            if (isSelf) {
1363                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1364
1365                // Our own user's settings data uses a client-side cache
1366                synchronized (this) {
1367                    if (mValuesVersion != newValuesVersion) {
1368                        if (LOCAL_LOGV || false) {
1369                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1370                                    + newValuesVersion + " != cached " + mValuesVersion);
1371                        }
1372
1373                        mValues.clear();
1374                        mValuesVersion = newValuesVersion;
1375                    }
1376
1377                    if (mValues.containsKey(name)) {
1378                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1379                    }
1380                }
1381            } else {
1382                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1383                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1384            }
1385
1386            IContentProvider cp = lazyGetProvider(cr);
1387
1388            // Try the fast path first, not using query().  If this
1389            // fails (alternate Settings provider that doesn't support
1390            // this interface?) then we fall back to the query/table
1391            // interface.
1392            if (mCallGetCommand != null) {
1393                try {
1394                    Bundle args = null;
1395                    if (!isSelf) {
1396                        args = new Bundle();
1397                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1398                    }
1399                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1400                    if (b != null) {
1401                        String value = b.getPairValue();
1402                        // Don't update our cache for reads of other users' data
1403                        if (isSelf) {
1404                            synchronized (this) {
1405                                mValues.put(name, value);
1406                            }
1407                        } else {
1408                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1409                                    + " by " + UserHandle.myUserId()
1410                                    + " so not updating cache");
1411                        }
1412                        return value;
1413                    }
1414                    // If the response Bundle is null, we fall through
1415                    // to the query interface below.
1416                } catch (RemoteException e) {
1417                    // Not supported by the remote side?  Fall through
1418                    // to query().
1419                }
1420            }
1421
1422            Cursor c = null;
1423            try {
1424                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1425                             new String[]{name}, null, null);
1426                if (c == null) {
1427                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1428                    return null;
1429                }
1430
1431                String value = c.moveToNext() ? c.getString(0) : null;
1432                synchronized (this) {
1433                    mValues.put(name, value);
1434                }
1435                if (LOCAL_LOGV) {
1436                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1437                            name + " = " + (value == null ? "(null)" : value));
1438                }
1439                return value;
1440            } catch (RemoteException e) {
1441                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1442                return null;  // Return null, but don't cache it.
1443            } finally {
1444                if (c != null) c.close();
1445            }
1446        }
1447    }
1448
1449    /**
1450     * An app can use this method to check if it is currently allowed to draw on top of other
1451     * apps. In order to be allowed to do so, an app must first declare the
1452     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its manifest. If it
1453     * is currently disallowed, it can prompt the user to grant it this capability through a
1454     * management UI by sending an Intent with action
1455     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}.
1456     *
1457     * @param context A context
1458     * @return true if the calling app can draw on top of other apps, false otherwise.
1459     */
1460    public static boolean canDrawOverlays(Context context) {
1461        int uid = Binder.getCallingUid();
1462        return Settings.isCallingPackageAllowedToDrawOverlays(context, uid, Settings
1463                .getPackageNameForUid(context, uid), false);
1464    }
1465
1466    /**
1467     * System settings, containing miscellaneous system preferences.  This
1468     * table holds simple name/value pairs.  There are convenience
1469     * functions for accessing individual settings entries.
1470     */
1471    public static final class System extends NameValueTable {
1472        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1473
1474        /** @hide */
1475        public static interface Validator {
1476            public boolean validate(String value);
1477        }
1478
1479        /**
1480         * The content:// style URL for this table
1481         */
1482        public static final Uri CONTENT_URI =
1483            Uri.parse("content://" + AUTHORITY + "/system");
1484
1485        private static final NameValueCache sNameValueCache = new NameValueCache(
1486                SYS_PROP_SETTING_VERSION,
1487                CONTENT_URI,
1488                CALL_METHOD_GET_SYSTEM,
1489                CALL_METHOD_PUT_SYSTEM);
1490
1491        private static final HashSet<String> MOVED_TO_SECURE;
1492        static {
1493            MOVED_TO_SECURE = new HashSet<String>(30);
1494            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1495            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1496            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1497            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1498            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1499            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1500            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1501            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1502            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1503            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1504            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1505            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1506            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1507            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1508            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1509            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1510            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1511            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1512            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1513            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1514            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1515            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1516            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1517            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1518            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1519            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1520            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1521            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1522
1523            // At one time in System, then Global, but now back in Secure
1524            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1525        }
1526
1527        private static final HashSet<String> MOVED_TO_GLOBAL;
1528        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1529        static {
1530            MOVED_TO_GLOBAL = new HashSet<String>();
1531            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1532
1533            // these were originally in system but migrated to secure in the past,
1534            // so are duplicated in the Secure.* namespace
1535            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1536            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1537            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1538            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1539            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1540            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1541
1542            // these are moving directly from system to global
1543            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1544            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1545            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1546            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1547            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1548            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1549            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1550            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1551            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1552            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1553            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1554            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1555            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1556            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1557            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1558            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1559            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1560            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1561            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1562            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1563            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1564            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1565            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1566            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1567            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1568            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1569            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1570            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1571            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1572            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1573            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1574            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1575            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1576            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1577            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1578            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1579        }
1580
1581        private static final Validator sBooleanValidator =
1582                new DiscreteValueValidator(new String[] {"0", "1"});
1583
1584        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1585            @Override
1586            public boolean validate(String value) {
1587                try {
1588                    return Integer.parseInt(value) >= 0;
1589                } catch (NumberFormatException e) {
1590                    return false;
1591                }
1592            }
1593        };
1594
1595        private static final Validator sUriValidator = new Validator() {
1596            @Override
1597            public boolean validate(String value) {
1598                try {
1599                    Uri.decode(value);
1600                    return true;
1601                } catch (IllegalArgumentException e) {
1602                    return false;
1603                }
1604            }
1605        };
1606
1607        private static final Validator sLenientIpAddressValidator = new Validator() {
1608            private static final int MAX_IPV6_LENGTH = 45;
1609
1610            @Override
1611            public boolean validate(String value) {
1612                return value.length() <= MAX_IPV6_LENGTH;
1613            }
1614        };
1615
1616        /** @hide */
1617        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1618            outKeySet.addAll(MOVED_TO_GLOBAL);
1619            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1620        }
1621
1622        /** @hide */
1623        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1624            outKeySet.addAll(MOVED_TO_SECURE);
1625        }
1626
1627        /** @hide */
1628        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1629            outKeySet.addAll(MOVED_TO_GLOBAL);
1630        }
1631
1632        /**
1633         * Look up a name in the database.
1634         * @param resolver to access the database with
1635         * @param name to look up in the table
1636         * @return the corresponding value, or null if not present
1637         */
1638        public static String getString(ContentResolver resolver, String name) {
1639            return getStringForUser(resolver, name, UserHandle.myUserId());
1640        }
1641
1642        /** @hide */
1643        public static String getStringForUser(ContentResolver resolver, String name,
1644                int userHandle) {
1645            if (MOVED_TO_SECURE.contains(name)) {
1646                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1647                        + " to android.provider.Settings.Secure, returning read-only value.");
1648                return Secure.getStringForUser(resolver, name, userHandle);
1649            }
1650            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1651                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1652                        + " to android.provider.Settings.Global, returning read-only value.");
1653                return Global.getStringForUser(resolver, name, userHandle);
1654            }
1655            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1656        }
1657
1658        /**
1659         * Store a name/value pair into the database.
1660         * @param resolver to access the database with
1661         * @param name to store
1662         * @param value to associate with the name
1663         * @return true if the value was set, false on database errors
1664         */
1665        public static boolean putString(ContentResolver resolver, String name, String value) {
1666            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1667        }
1668
1669        /** @hide */
1670        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1671                int userHandle) {
1672            if (MOVED_TO_SECURE.contains(name)) {
1673                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1674                        + " to android.provider.Settings.Secure, value is unchanged.");
1675                return false;
1676            }
1677            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1678                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1679                        + " to android.provider.Settings.Global, value is unchanged.");
1680                return false;
1681            }
1682            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1683        }
1684
1685        /**
1686         * Construct the content URI for a particular name/value pair,
1687         * useful for monitoring changes with a ContentObserver.
1688         * @param name to look up in the table
1689         * @return the corresponding content URI, or null if not present
1690         */
1691        public static Uri getUriFor(String name) {
1692            if (MOVED_TO_SECURE.contains(name)) {
1693                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1694                    + " to android.provider.Settings.Secure, returning Secure URI.");
1695                return Secure.getUriFor(Secure.CONTENT_URI, name);
1696            }
1697            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1698                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1699                        + " to android.provider.Settings.Global, returning read-only global URI.");
1700                return Global.getUriFor(Global.CONTENT_URI, name);
1701            }
1702            return getUriFor(CONTENT_URI, name);
1703        }
1704
1705        /**
1706         * Convenience function for retrieving a single system settings value
1707         * as an integer.  Note that internally setting values are always
1708         * stored as strings; this function converts the string to an integer
1709         * for you.  The default value will be returned if the setting is
1710         * not defined or not an integer.
1711         *
1712         * @param cr The ContentResolver to access.
1713         * @param name The name of the setting to retrieve.
1714         * @param def Value to return if the setting is not defined.
1715         *
1716         * @return The setting's current value, or 'def' if it is not defined
1717         * or not a valid integer.
1718         */
1719        public static int getInt(ContentResolver cr, String name, int def) {
1720            return getIntForUser(cr, name, def, UserHandle.myUserId());
1721        }
1722
1723        /** @hide */
1724        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1725            String v = getStringForUser(cr, name, userHandle);
1726            try {
1727                return v != null ? Integer.parseInt(v) : def;
1728            } catch (NumberFormatException e) {
1729                return def;
1730            }
1731        }
1732
1733        /**
1734         * Convenience function for retrieving a single system settings value
1735         * as an integer.  Note that internally setting values are always
1736         * stored as strings; this function converts the string to an integer
1737         * for you.
1738         * <p>
1739         * This version does not take a default value.  If the setting has not
1740         * been set, or the string value is not a number,
1741         * it throws {@link SettingNotFoundException}.
1742         *
1743         * @param cr The ContentResolver to access.
1744         * @param name The name of the setting to retrieve.
1745         *
1746         * @throws SettingNotFoundException Thrown if a setting by the given
1747         * name can't be found or the setting value is not an integer.
1748         *
1749         * @return The setting's current value.
1750         */
1751        public static int getInt(ContentResolver cr, String name)
1752                throws SettingNotFoundException {
1753            return getIntForUser(cr, name, UserHandle.myUserId());
1754        }
1755
1756        /** @hide */
1757        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1758                throws SettingNotFoundException {
1759            String v = getStringForUser(cr, name, userHandle);
1760            try {
1761                return Integer.parseInt(v);
1762            } catch (NumberFormatException e) {
1763                throw new SettingNotFoundException(name);
1764            }
1765        }
1766
1767        /**
1768         * Convenience function for updating a single settings value as an
1769         * integer. This will either create a new entry in the table if the
1770         * given name does not exist, or modify the value of the existing row
1771         * with that name.  Note that internally setting values are always
1772         * stored as strings, so this function converts the given value to a
1773         * string before storing it.
1774         *
1775         * @param cr The ContentResolver to access.
1776         * @param name The name of the setting to modify.
1777         * @param value The new value for the setting.
1778         * @return true if the value was set, false on database errors
1779         */
1780        public static boolean putInt(ContentResolver cr, String name, int value) {
1781            return putIntForUser(cr, name, value, UserHandle.myUserId());
1782        }
1783
1784        /** @hide */
1785        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1786                int userHandle) {
1787            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1788        }
1789
1790        /**
1791         * Convenience function for retrieving a single system settings value
1792         * as a {@code long}.  Note that internally setting values are always
1793         * stored as strings; this function converts the string to a {@code long}
1794         * for you.  The default value will be returned if the setting is
1795         * not defined or not a {@code long}.
1796         *
1797         * @param cr The ContentResolver to access.
1798         * @param name The name of the setting to retrieve.
1799         * @param def Value to return if the setting is not defined.
1800         *
1801         * @return The setting's current value, or 'def' if it is not defined
1802         * or not a valid {@code long}.
1803         */
1804        public static long getLong(ContentResolver cr, String name, long def) {
1805            return getLongForUser(cr, name, def, UserHandle.myUserId());
1806        }
1807
1808        /** @hide */
1809        public static long getLongForUser(ContentResolver cr, String name, long def,
1810                int userHandle) {
1811            String valString = getStringForUser(cr, name, userHandle);
1812            long value;
1813            try {
1814                value = valString != null ? Long.parseLong(valString) : def;
1815            } catch (NumberFormatException e) {
1816                value = def;
1817            }
1818            return value;
1819        }
1820
1821        /**
1822         * Convenience function for retrieving a single system settings value
1823         * as a {@code long}.  Note that internally setting values are always
1824         * stored as strings; this function converts the string to a {@code long}
1825         * for you.
1826         * <p>
1827         * This version does not take a default value.  If the setting has not
1828         * been set, or the string value is not a number,
1829         * it throws {@link SettingNotFoundException}.
1830         *
1831         * @param cr The ContentResolver to access.
1832         * @param name The name of the setting to retrieve.
1833         *
1834         * @return The setting's current value.
1835         * @throws SettingNotFoundException Thrown if a setting by the given
1836         * name can't be found or the setting value is not an integer.
1837         */
1838        public static long getLong(ContentResolver cr, String name)
1839                throws SettingNotFoundException {
1840            return getLongForUser(cr, name, UserHandle.myUserId());
1841        }
1842
1843        /** @hide */
1844        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1845                throws SettingNotFoundException {
1846            String valString = getStringForUser(cr, name, userHandle);
1847            try {
1848                return Long.parseLong(valString);
1849            } catch (NumberFormatException e) {
1850                throw new SettingNotFoundException(name);
1851            }
1852        }
1853
1854        /**
1855         * Convenience function for updating a single settings value as a long
1856         * integer. This will either create a new entry in the table if the
1857         * given name does not exist, or modify the value of the existing row
1858         * with that name.  Note that internally setting values are always
1859         * stored as strings, so this function converts the given value to a
1860         * string before storing it.
1861         *
1862         * @param cr The ContentResolver to access.
1863         * @param name The name of the setting to modify.
1864         * @param value The new value for the setting.
1865         * @return true if the value was set, false on database errors
1866         */
1867        public static boolean putLong(ContentResolver cr, String name, long value) {
1868            return putLongForUser(cr, name, value, UserHandle.myUserId());
1869        }
1870
1871        /** @hide */
1872        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1873                int userHandle) {
1874            return putStringForUser(cr, name, Long.toString(value), userHandle);
1875        }
1876
1877        /**
1878         * Convenience function for retrieving a single system settings value
1879         * as a floating point number.  Note that internally setting values are
1880         * always stored as strings; this function converts the string to an
1881         * float for you. The default value will be returned if the setting
1882         * is not defined or not a valid float.
1883         *
1884         * @param cr The ContentResolver to access.
1885         * @param name The name of the setting to retrieve.
1886         * @param def Value to return if the setting is not defined.
1887         *
1888         * @return The setting's current value, or 'def' if it is not defined
1889         * or not a valid float.
1890         */
1891        public static float getFloat(ContentResolver cr, String name, float def) {
1892            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1893        }
1894
1895        /** @hide */
1896        public static float getFloatForUser(ContentResolver cr, String name, float def,
1897                int userHandle) {
1898            String v = getStringForUser(cr, name, userHandle);
1899            try {
1900                return v != null ? Float.parseFloat(v) : def;
1901            } catch (NumberFormatException e) {
1902                return def;
1903            }
1904        }
1905
1906        /**
1907         * Convenience function for retrieving a single system settings value
1908         * as a float.  Note that internally setting values are always
1909         * stored as strings; this function converts the string to a float
1910         * for you.
1911         * <p>
1912         * This version does not take a default value.  If the setting has not
1913         * been set, or the string value is not a number,
1914         * it throws {@link SettingNotFoundException}.
1915         *
1916         * @param cr The ContentResolver to access.
1917         * @param name The name of the setting to retrieve.
1918         *
1919         * @throws SettingNotFoundException Thrown if a setting by the given
1920         * name can't be found or the setting value is not a float.
1921         *
1922         * @return The setting's current value.
1923         */
1924        public static float getFloat(ContentResolver cr, String name)
1925                throws SettingNotFoundException {
1926            return getFloatForUser(cr, name, UserHandle.myUserId());
1927        }
1928
1929        /** @hide */
1930        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1931                throws SettingNotFoundException {
1932            String v = getStringForUser(cr, name, userHandle);
1933            if (v == null) {
1934                throw new SettingNotFoundException(name);
1935            }
1936            try {
1937                return Float.parseFloat(v);
1938            } catch (NumberFormatException e) {
1939                throw new SettingNotFoundException(name);
1940            }
1941        }
1942
1943        /**
1944         * Convenience function for updating a single settings value as a
1945         * floating point number. This will either create a new entry in the
1946         * table if the given name does not exist, or modify the value of the
1947         * existing row with that name.  Note that internally setting values
1948         * are always stored as strings, so this function converts the given
1949         * value to a string before storing it.
1950         *
1951         * @param cr The ContentResolver to access.
1952         * @param name The name of the setting to modify.
1953         * @param value The new value for the setting.
1954         * @return true if the value was set, false on database errors
1955         */
1956        public static boolean putFloat(ContentResolver cr, String name, float value) {
1957            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1958        }
1959
1960        /** @hide */
1961        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1962                int userHandle) {
1963            return putStringForUser(cr, name, Float.toString(value), userHandle);
1964        }
1965
1966        /**
1967         * Convenience function to read all of the current
1968         * configuration-related settings into a
1969         * {@link Configuration} object.
1970         *
1971         * @param cr The ContentResolver to access.
1972         * @param outConfig Where to place the configuration settings.
1973         */
1974        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1975            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1976        }
1977
1978        /** @hide */
1979        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1980                int userHandle) {
1981            outConfig.fontScale = Settings.System.getFloatForUser(
1982                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1983            if (outConfig.fontScale < 0) {
1984                outConfig.fontScale = 1;
1985            }
1986        }
1987
1988        /**
1989         * @hide Erase the fields in the Configuration that should be applied
1990         * by the settings.
1991         */
1992        public static void clearConfiguration(Configuration inoutConfig) {
1993            inoutConfig.fontScale = 0;
1994        }
1995
1996        /**
1997         * Convenience function to write a batch of configuration-related
1998         * settings from a {@link Configuration} object.
1999         *
2000         * @param cr The ContentResolver to access.
2001         * @param config The settings to write.
2002         * @return true if the values were set, false on database errors
2003         */
2004        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2005            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2006        }
2007
2008        /** @hide */
2009        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2010                int userHandle) {
2011            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
2012        }
2013
2014        /** @hide */
2015        public static boolean hasInterestingConfigurationChanges(int changes) {
2016            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
2017        }
2018
2019        /** @deprecated - Do not use */
2020        @Deprecated
2021        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2022            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2023        }
2024
2025        /**
2026         * @hide
2027         * @deprecated - Do not use
2028         */
2029        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2030                int userHandle) {
2031            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2032        }
2033
2034        /** @deprecated - Do not use */
2035        @Deprecated
2036        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2037            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2038        }
2039
2040        /**
2041         * @hide
2042         * @deprecated - Do not use
2043         */
2044        @Deprecated
2045        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2046                int userHandle) {
2047            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2048        }
2049
2050        private static final class DiscreteValueValidator implements Validator {
2051            private final String[] mValues;
2052
2053            public DiscreteValueValidator(String[] values) {
2054                mValues = values;
2055            }
2056
2057            @Override
2058            public boolean validate(String value) {
2059                return ArrayUtils.contains(mValues, value);
2060            }
2061        }
2062
2063        private static final class InclusiveIntegerRangeValidator implements Validator {
2064            private final int mMin;
2065            private final int mMax;
2066
2067            public InclusiveIntegerRangeValidator(int min, int max) {
2068                mMin = min;
2069                mMax = max;
2070            }
2071
2072            @Override
2073            public boolean validate(String value) {
2074                try {
2075                    final int intValue = Integer.parseInt(value);
2076                    return intValue >= mMin && intValue <= mMax;
2077                } catch (NumberFormatException e) {
2078                    return false;
2079                }
2080            }
2081        }
2082
2083        private static final class InclusiveFloatRangeValidator implements Validator {
2084            private final float mMin;
2085            private final float mMax;
2086
2087            public InclusiveFloatRangeValidator(float min, float max) {
2088                mMin = min;
2089                mMax = max;
2090            }
2091
2092            @Override
2093            public boolean validate(String value) {
2094                try {
2095                    final float floatValue = Float.parseFloat(value);
2096                    return floatValue >= mMin && floatValue <= mMax;
2097                } catch (NumberFormatException e) {
2098                    return false;
2099                }
2100            }
2101        }
2102
2103        /**
2104         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2105         */
2106        @Deprecated
2107        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2108
2109        /**
2110         * What happens when the user presses the end call button if they're not
2111         * on a call.<br/>
2112         * <b>Values:</b><br/>
2113         * 0 - The end button does nothing.<br/>
2114         * 1 - The end button goes to the home screen.<br/>
2115         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2116         * 3 - The end button goes to the home screen.  If the user is already on the
2117         * home screen, it puts the device to sleep.
2118         */
2119        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2120
2121        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2122                new InclusiveIntegerRangeValidator(0, 3);
2123
2124        /**
2125         * END_BUTTON_BEHAVIOR value for "go home".
2126         * @hide
2127         */
2128        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2129
2130        /**
2131         * END_BUTTON_BEHAVIOR value for "go to sleep".
2132         * @hide
2133         */
2134        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2135
2136        /**
2137         * END_BUTTON_BEHAVIOR default value.
2138         * @hide
2139         */
2140        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2141
2142        /**
2143         * Is advanced settings mode turned on. 0 == no, 1 == yes
2144         * @hide
2145         */
2146        public static final String ADVANCED_SETTINGS = "advanced_settings";
2147
2148        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2149
2150        /**
2151         * ADVANCED_SETTINGS default value.
2152         * @hide
2153         */
2154        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2155
2156        /**
2157         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2158         */
2159        @Deprecated
2160        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2161
2162        /**
2163         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2164         */
2165        @Deprecated
2166        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2167
2168        /**
2169         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2170         */
2171        @Deprecated
2172        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2173
2174        /**
2175         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2176         * {@hide}
2177         */
2178        @Deprecated
2179        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2180
2181        /**
2182         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2183         */
2184        @Deprecated
2185        public static final String RADIO_CELL = Global.RADIO_CELL;
2186
2187        /**
2188         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2189         */
2190        @Deprecated
2191        public static final String RADIO_NFC = Global.RADIO_NFC;
2192
2193        /**
2194         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2195         */
2196        @Deprecated
2197        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2198
2199        /**
2200         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2201         *
2202         * {@hide}
2203         */
2204        @Deprecated
2205        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2206                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2207
2208        /**
2209         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2210         */
2211        @Deprecated
2212        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2213
2214        /**
2215         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2216         */
2217        @Deprecated
2218        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2219
2220        /**
2221         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2222         */
2223        @Deprecated
2224        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2225                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2226
2227        /**
2228         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2229         */
2230        @Deprecated
2231        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2232
2233        /**
2234         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2235         */
2236        @Deprecated
2237        public static final String MODE_RINGER = Global.MODE_RINGER;
2238
2239        /**
2240         * Whether to use static IP and other static network attributes.
2241         * <p>
2242         * Set to 1 for true and 0 for false.
2243         *
2244         * @deprecated Use {@link WifiManager} instead
2245         */
2246        @Deprecated
2247        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2248
2249        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2250
2251        /**
2252         * The static IP address.
2253         * <p>
2254         * Example: "192.168.1.51"
2255         *
2256         * @deprecated Use {@link WifiManager} instead
2257         */
2258        @Deprecated
2259        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2260
2261        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2262
2263        /**
2264         * If using static IP, the gateway's IP address.
2265         * <p>
2266         * Example: "192.168.1.1"
2267         *
2268         * @deprecated Use {@link WifiManager} instead
2269         */
2270        @Deprecated
2271        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2272
2273        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2274
2275        /**
2276         * If using static IP, the net mask.
2277         * <p>
2278         * Example: "255.255.255.0"
2279         *
2280         * @deprecated Use {@link WifiManager} instead
2281         */
2282        @Deprecated
2283        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2284
2285        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2286
2287        /**
2288         * If using static IP, the primary DNS's IP address.
2289         * <p>
2290         * Example: "192.168.1.1"
2291         *
2292         * @deprecated Use {@link WifiManager} instead
2293         */
2294        @Deprecated
2295        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2296
2297        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2298
2299        /**
2300         * If using static IP, the secondary DNS's IP address.
2301         * <p>
2302         * Example: "192.168.1.2"
2303         *
2304         * @deprecated Use {@link WifiManager} instead
2305         */
2306        @Deprecated
2307        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2308
2309        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2310
2311        /**
2312         * Determines whether remote devices may discover and/or connect to
2313         * this device.
2314         * <P>Type: INT</P>
2315         * 2 -- discoverable and connectable
2316         * 1 -- connectable but not discoverable
2317         * 0 -- neither connectable nor discoverable
2318         */
2319        public static final String BLUETOOTH_DISCOVERABILITY =
2320            "bluetooth_discoverability";
2321
2322        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2323                new InclusiveIntegerRangeValidator(0, 2);
2324
2325        /**
2326         * Bluetooth discoverability timeout.  If this value is nonzero, then
2327         * Bluetooth becomes discoverable for a certain number of seconds,
2328         * after which is becomes simply connectable.  The value is in seconds.
2329         */
2330        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2331            "bluetooth_discoverability_timeout";
2332
2333        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2334                sNonNegativeIntegerValidator;
2335
2336        /**
2337         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2338         * instead
2339         */
2340        @Deprecated
2341        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2342
2343        /**
2344         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2345         * instead
2346         */
2347        @Deprecated
2348        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2349
2350        /**
2351         * @deprecated Use
2352         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2353         * instead
2354         */
2355        @Deprecated
2356        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2357            "lock_pattern_tactile_feedback_enabled";
2358
2359        /**
2360         * A formatted string of the next alarm that is set, or the empty string
2361         * if there is no alarm set.
2362         *
2363         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2364         */
2365        @Deprecated
2366        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2367
2368        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2369            private static final int MAX_LENGTH = 1000;
2370
2371            @Override
2372            public boolean validate(String value) {
2373                // TODO: No idea what the correct format is.
2374                return value == null || value.length() < MAX_LENGTH;
2375            }
2376        };
2377
2378        /**
2379         * Scaling factor for fonts, float.
2380         */
2381        public static final String FONT_SCALE = "font_scale";
2382
2383        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2384            @Override
2385            public boolean validate(String value) {
2386                try {
2387                    return Float.parseFloat(value) >= 0;
2388                } catch (NumberFormatException e) {
2389                    return false;
2390                }
2391            }
2392        };
2393
2394        /**
2395         * Name of an application package to be debugged.
2396         *
2397         * @deprecated Use {@link Global#DEBUG_APP} instead
2398         */
2399        @Deprecated
2400        public static final String DEBUG_APP = Global.DEBUG_APP;
2401
2402        /**
2403         * If 1, when launching DEBUG_APP it will wait for the debugger before
2404         * starting user code.  If 0, it will run normally.
2405         *
2406         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2407         */
2408        @Deprecated
2409        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2410
2411        /**
2412         * Whether or not to dim the screen. 0=no  1=yes
2413         * @deprecated This setting is no longer used.
2414         */
2415        @Deprecated
2416        public static final String DIM_SCREEN = "dim_screen";
2417
2418        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2419
2420        /**
2421         * The amount of time in milliseconds before the device goes to sleep or begins
2422         * to dream after a period of inactivity.  This value is also known as the
2423         * user activity timeout period since the screen isn't necessarily turned off
2424         * when it expires.
2425         */
2426        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2427
2428        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2429
2430        /**
2431         * The screen backlight brightness between 0 and 255.
2432         */
2433        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2434
2435        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2436                new InclusiveIntegerRangeValidator(0, 255);
2437
2438        /**
2439         * Control whether to enable automatic brightness mode.
2440         */
2441        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2442
2443        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2444
2445        /**
2446         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2447         * or less (<0.0 >-1.0) bright.
2448         * @hide
2449         */
2450        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2451
2452        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2453                new InclusiveFloatRangeValidator(-1, 1);
2454
2455        /**
2456         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2457         */
2458        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2459
2460        /**
2461         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2462         */
2463        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2464
2465        /**
2466         * Control whether the process CPU usage meter should be shown.
2467         *
2468         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2469         */
2470        @Deprecated
2471        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2472
2473        /**
2474         * If 1, the activity manager will aggressively finish activities and
2475         * processes as soon as they are no longer needed.  If 0, the normal
2476         * extended lifetime is used.
2477         *
2478         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2479         */
2480        @Deprecated
2481        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2482
2483        /**
2484         * Determines which streams are affected by ringer mode changes. The
2485         * stream type's bit should be set to 1 if it should be muted when going
2486         * into an inaudible ringer mode.
2487         */
2488        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2489
2490        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2491                sNonNegativeIntegerValidator;
2492
2493        /**
2494          * Determines which streams are affected by mute. The
2495          * stream type's bit should be set to 1 if it should be muted when a mute request
2496          * is received.
2497          */
2498        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2499
2500        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2501                sNonNegativeIntegerValidator;
2502
2503        /**
2504         * Whether vibrate is on for different events. This is used internally,
2505         * changing this value will not change the vibrate. See AudioManager.
2506         */
2507        public static final String VIBRATE_ON = "vibrate_on";
2508
2509        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2510
2511        /**
2512         * If 1, redirects the system vibrator to all currently attached input devices
2513         * that support vibration.  If there are no such input devices, then the system
2514         * vibrator is used instead.
2515         * If 0, does not register the system vibrator.
2516         *
2517         * This setting is mainly intended to provide a compatibility mechanism for
2518         * applications that only know about the system vibrator and do not use the
2519         * input device vibrator API.
2520         *
2521         * @hide
2522         */
2523        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2524
2525        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2526
2527        /**
2528         * Ringer volume. This is used internally, changing this value will not
2529         * change the volume. See AudioManager.
2530         *
2531         * @removed Not used by anything since API 2.
2532         */
2533        public static final String VOLUME_RING = "volume_ring";
2534
2535        /**
2536         * System/notifications volume. This is used internally, changing this
2537         * value will not change the volume. See AudioManager.
2538         *
2539         * @removed Not used by anything since API 2.
2540         */
2541        public static final String VOLUME_SYSTEM = "volume_system";
2542
2543        /**
2544         * Voice call volume. This is used internally, changing this value will
2545         * not change the volume. See AudioManager.
2546         *
2547         * @removed Not used by anything since API 2.
2548         */
2549        public static final String VOLUME_VOICE = "volume_voice";
2550
2551        /**
2552         * Music/media/gaming volume. This is used internally, changing this
2553         * value will not change the volume. See AudioManager.
2554         *
2555         * @removed Not used by anything since API 2.
2556         */
2557        public static final String VOLUME_MUSIC = "volume_music";
2558
2559        /**
2560         * Alarm volume. This is used internally, changing this
2561         * value will not change the volume. See AudioManager.
2562         *
2563         * @removed Not used by anything since API 2.
2564         */
2565        public static final String VOLUME_ALARM = "volume_alarm";
2566
2567        /**
2568         * Notification volume. This is used internally, changing this
2569         * value will not change the volume. See AudioManager.
2570         *
2571         * @removed Not used by anything since API 2.
2572         */
2573        public static final String VOLUME_NOTIFICATION = "volume_notification";
2574
2575        /**
2576         * Bluetooth Headset volume. This is used internally, changing this value will
2577         * not change the volume. See AudioManager.
2578         *
2579         * @removed Not used by anything since API 2.
2580         */
2581        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2582
2583        /**
2584         * Master volume (float in the range 0.0f to 1.0f).
2585         *
2586         * @hide
2587         */
2588        public static final String VOLUME_MASTER = "volume_master";
2589
2590        /**
2591         * Master volume mute (int 1 = mute, 0 = not muted).
2592         *
2593         * @hide
2594         */
2595        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2596
2597        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2598
2599        /**
2600         * Microphone mute (int 1 = mute, 0 = not muted).
2601         *
2602         * @hide
2603         */
2604        public static final String MICROPHONE_MUTE = "microphone_mute";
2605
2606        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2607
2608        /**
2609         * Master mono (int 1 = mono, 0 = normal).
2610         *
2611         * @hide
2612         */
2613        public static final String MASTER_MONO = "master_mono";
2614
2615        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2616
2617        /**
2618         * Whether the notifications should use the ring volume (value of 1) or
2619         * a separate notification volume (value of 0). In most cases, users
2620         * will have this enabled so the notification and ringer volumes will be
2621         * the same. However, power users can disable this and use the separate
2622         * notification volume control.
2623         * <p>
2624         * Note: This is a one-off setting that will be removed in the future
2625         * when there is profile support. For this reason, it is kept hidden
2626         * from the public APIs.
2627         *
2628         * @hide
2629         * @deprecated
2630         */
2631        @Deprecated
2632        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2633            "notifications_use_ring_volume";
2634
2635        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2636
2637        /**
2638         * Whether silent mode should allow vibration feedback. This is used
2639         * internally in AudioService and the Sound settings activity to
2640         * coordinate decoupling of vibrate and silent modes. This setting
2641         * will likely be removed in a future release with support for
2642         * audio/vibe feedback profiles.
2643         *
2644         * Not used anymore. On devices with vibrator, the user explicitly selects
2645         * silent or vibrate mode.
2646         * Kept for use by legacy database upgrade code in DatabaseHelper.
2647         * @hide
2648         */
2649        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2650
2651        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2652
2653        /**
2654         * The mapping of stream type (integer) to its setting.
2655         *
2656         * @removed  Not used by anything since API 2.
2657         */
2658        public static final String[] VOLUME_SETTINGS = {
2659            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2660            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2661        };
2662
2663        /**
2664         * Appended to various volume related settings to record the previous
2665         * values before they the settings were affected by a silent/vibrate
2666         * ringer mode change.
2667         *
2668         * @removed  Not used by anything since API 2.
2669         */
2670        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2671
2672        /**
2673         * Persistent store for the system-wide default ringtone URI.
2674         * <p>
2675         * If you need to play the default ringtone at any given time, it is recommended
2676         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2677         * to the set default ringtone at the time of playing.
2678         *
2679         * @see #DEFAULT_RINGTONE_URI
2680         */
2681        public static final String RINGTONE = "ringtone";
2682
2683        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2684
2685        /**
2686         * A {@link Uri} that will point to the current default ringtone at any
2687         * given time.
2688         * <p>
2689         * If the current default ringtone is in the DRM provider and the caller
2690         * does not have permission, the exception will be a
2691         * FileNotFoundException.
2692         */
2693        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2694
2695        /**
2696         * Persistent store for the system-wide default notification sound.
2697         *
2698         * @see #RINGTONE
2699         * @see #DEFAULT_NOTIFICATION_URI
2700         */
2701        public static final String NOTIFICATION_SOUND = "notification_sound";
2702
2703        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2704
2705        /**
2706         * A {@link Uri} that will point to the current default notification
2707         * sound at any given time.
2708         *
2709         * @see #DEFAULT_RINGTONE_URI
2710         */
2711        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2712
2713        /**
2714         * Persistent store for the system-wide default alarm alert.
2715         *
2716         * @see #RINGTONE
2717         * @see #DEFAULT_ALARM_ALERT_URI
2718         */
2719        public static final String ALARM_ALERT = "alarm_alert";
2720
2721        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2722
2723        /**
2724         * A {@link Uri} that will point to the current default alarm alert at
2725         * any given time.
2726         *
2727         * @see #DEFAULT_ALARM_ALERT_URI
2728         */
2729        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2730
2731        /**
2732         * Persistent store for the system default media button event receiver.
2733         *
2734         * @hide
2735         */
2736        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2737
2738        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2739            @Override
2740            public boolean validate(String value) {
2741                try {
2742                    ComponentName.unflattenFromString(value);
2743                    return true;
2744                } catch (NullPointerException e) {
2745                    return false;
2746                }
2747            }
2748        };
2749
2750        /**
2751         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2752         */
2753        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2754
2755        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2756
2757        /**
2758         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2759         */
2760        public static final String TEXT_AUTO_CAPS = "auto_caps";
2761
2762        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2763
2764        /**
2765         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2766         * feature converts two spaces to a "." and space.
2767         */
2768        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2769
2770        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2771
2772        /**
2773         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2774         */
2775        public static final String TEXT_SHOW_PASSWORD = "show_password";
2776
2777        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2778
2779        public static final String SHOW_GTALK_SERVICE_STATUS =
2780                "SHOW_GTALK_SERVICE_STATUS";
2781
2782        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2783
2784        /**
2785         * Name of activity to use for wallpaper on the home screen.
2786         *
2787         * @deprecated Use {@link WallpaperManager} instead.
2788         */
2789        @Deprecated
2790        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2791
2792        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2793            private static final int MAX_LENGTH = 1000;
2794
2795            @Override
2796            public boolean validate(String value) {
2797                if (value != null && value.length() > MAX_LENGTH) {
2798                    return false;
2799                }
2800                return ComponentName.unflattenFromString(value) != null;
2801            }
2802        };
2803
2804        /**
2805         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2806         * instead
2807         */
2808        @Deprecated
2809        public static final String AUTO_TIME = Global.AUTO_TIME;
2810
2811        /**
2812         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2813         * instead
2814         */
2815        @Deprecated
2816        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2817
2818        /**
2819         * Display times as 12 or 24 hours
2820         *   12
2821         *   24
2822         */
2823        public static final String TIME_12_24 = "time_12_24";
2824
2825        /** @hide */
2826        public static final Validator TIME_12_24_VALIDATOR =
2827                new DiscreteValueValidator(new String[] {"12", "24"});
2828
2829        /**
2830         * Date format string
2831         *   mm/dd/yyyy
2832         *   dd/mm/yyyy
2833         *   yyyy/mm/dd
2834         */
2835        public static final String DATE_FORMAT = "date_format";
2836
2837        /** @hide */
2838        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2839            @Override
2840            public boolean validate(String value) {
2841                try {
2842                    new SimpleDateFormat(value);
2843                    return true;
2844                } catch (IllegalArgumentException e) {
2845                    return false;
2846                }
2847            }
2848        };
2849
2850        /**
2851         * Whether the setup wizard has been run before (on first boot), or if
2852         * it still needs to be run.
2853         *
2854         * nonzero = it has been run in the past
2855         * 0 = it has not been run in the past
2856         */
2857        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2858
2859        /** @hide */
2860        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2861
2862        /**
2863         * Scaling factor for normal window animations. Setting to 0 will disable window
2864         * animations.
2865         *
2866         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2867         */
2868        @Deprecated
2869        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2870
2871        /**
2872         * Scaling factor for activity transition animations. Setting to 0 will disable window
2873         * animations.
2874         *
2875         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2876         */
2877        @Deprecated
2878        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2879
2880        /**
2881         * Scaling factor for Animator-based animations. This affects both the start delay and
2882         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2883         * The default value is 1.
2884         *
2885         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2886         */
2887        @Deprecated
2888        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2889
2890        /**
2891         * Control whether the accelerometer will be used to change screen
2892         * orientation.  If 0, it will not be used unless explicitly requested
2893         * by the application; if 1, it will be used by default unless explicitly
2894         * disabled by the application.
2895         */
2896        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2897
2898        /** @hide */
2899        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2900
2901        /**
2902         * Default screen rotation when no other policy applies.
2903         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2904         * preference, this rotation value will be used. Must be one of the
2905         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2906         *
2907         * @see android.view.Display#getRotation
2908         */
2909        public static final String USER_ROTATION = "user_rotation";
2910
2911        /** @hide */
2912        public static final Validator USER_ROTATION_VALIDATOR =
2913                new InclusiveIntegerRangeValidator(0, 3);
2914
2915        /**
2916         * Control whether the rotation lock toggle in the System UI should be hidden.
2917         * Typically this is done for accessibility purposes to make it harder for
2918         * the user to accidentally toggle the rotation lock while the display rotation
2919         * has been locked for accessibility.
2920         *
2921         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2922         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2923         *
2924         * @hide
2925         */
2926        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2927                "hide_rotation_lock_toggle_for_accessibility";
2928
2929        /** @hide */
2930        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2931                sBooleanValidator;
2932
2933        /**
2934         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2935         * be used by Phone and Setting apps; it shouldn't affect other apps.
2936         * The value is boolean (1 or 0).
2937         *
2938         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2939         * It was about AudioManager's setting and thus affected all the applications which
2940         * relied on the setting, while this is purely about the vibration setting for incoming
2941         * calls.
2942         */
2943        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2944
2945        /** @hide */
2946        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2947
2948        /**
2949         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2950         * boolean (1 or 0).
2951         */
2952        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2953
2954        /** @hide */
2955        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2956
2957        /**
2958         * CDMA only settings
2959         * DTMF tone type played by the dialer when dialing.
2960         *                 0 = Normal
2961         *                 1 = Long
2962         */
2963        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2964
2965        /** @hide */
2966        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2967
2968        /**
2969         * Whether the hearing aid is enabled. The value is
2970         * boolean (1 or 0).
2971         * @hide
2972         */
2973        public static final String HEARING_AID = "hearing_aid";
2974
2975        /** @hide */
2976        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2977
2978        /**
2979         * CDMA only settings
2980         * TTY Mode
2981         * 0 = OFF
2982         * 1 = FULL
2983         * 2 = VCO
2984         * 3 = HCO
2985         * @hide
2986         */
2987        public static final String TTY_MODE = "tty_mode";
2988
2989        /** @hide */
2990        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2991
2992        /**
2993         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2994         * boolean (1 or 0).
2995         */
2996        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2997
2998        /** @hide */
2999        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3000
3001        /**
3002         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3003         * boolean (1 or 0).
3004         */
3005        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3006
3007        /** @hide */
3008        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3009
3010        /**
3011         * @deprecated Each application that shows web suggestions should have its own
3012         * setting for this.
3013         */
3014        @Deprecated
3015        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3016
3017        /** @hide */
3018        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3019
3020        /**
3021         * Whether the notification LED should repeatedly flash when a notification is
3022         * pending. The value is boolean (1 or 0).
3023         * @hide
3024         */
3025        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3026
3027        /** @hide */
3028        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3029
3030        /**
3031         * Show pointer location on screen?
3032         * 0 = no
3033         * 1 = yes
3034         * @hide
3035         */
3036        public static final String POINTER_LOCATION = "pointer_location";
3037
3038        /** @hide */
3039        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3040
3041        /**
3042         * Show touch positions on screen?
3043         * 0 = no
3044         * 1 = yes
3045         * @hide
3046         */
3047        public static final String SHOW_TOUCHES = "show_touches";
3048
3049        /** @hide */
3050        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3051
3052        /**
3053         * Log raw orientation data from
3054         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3055         * orientationplot.py tool.
3056         * 0 = no
3057         * 1 = yes
3058         * @hide
3059         */
3060        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3061                "window_orientation_listener_log";
3062
3063        /** @hide */
3064        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3065
3066        /**
3067         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3068         * instead
3069         * @hide
3070         */
3071        @Deprecated
3072        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3073
3074        /**
3075         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3076         * instead
3077         * @hide
3078         */
3079        @Deprecated
3080        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3081
3082        /**
3083         * Whether to play sounds when the keyguard is shown and dismissed.
3084         * @hide
3085         */
3086        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3087
3088        /** @hide */
3089        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3090
3091        /**
3092         * Whether the lockscreen should be completely disabled.
3093         * @hide
3094         */
3095        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3096
3097        /** @hide */
3098        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3099
3100        /**
3101         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3102         * instead
3103         * @hide
3104         */
3105        @Deprecated
3106        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3107
3108        /**
3109         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3110         * instead
3111         * @hide
3112         */
3113        @Deprecated
3114        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3115
3116        /**
3117         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3118         * instead
3119         * @hide
3120         */
3121        @Deprecated
3122        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3123
3124        /**
3125         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3126         * instead
3127         * @hide
3128         */
3129        @Deprecated
3130        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3131
3132        /**
3133         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3134         * instead
3135         * @hide
3136         */
3137        @Deprecated
3138        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3139
3140        /**
3141         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3142         * instead
3143         * @hide
3144         */
3145        @Deprecated
3146        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3147
3148        /**
3149         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3150         * instead
3151         * @hide
3152         */
3153        @Deprecated
3154        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3155
3156        /**
3157         * Receive incoming SIP calls?
3158         * 0 = no
3159         * 1 = yes
3160         * @hide
3161         */
3162        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3163
3164        /** @hide */
3165        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3166
3167        /**
3168         * Call Preference String.
3169         * "SIP_ALWAYS" : Always use SIP with network access
3170         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3171         * @hide
3172         */
3173        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3174
3175        /** @hide */
3176        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3177                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3178
3179        /**
3180         * One of the sip call options: Always use SIP with network access.
3181         * @hide
3182         */
3183        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3184
3185        /** @hide */
3186        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3187
3188        /**
3189         * One of the sip call options: Only if destination is a SIP address.
3190         * @hide
3191         */
3192        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3193
3194        /** @hide */
3195        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3196
3197        /**
3198         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3199         * the user should be prompted each time a call is made whether it should be placed using
3200         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3201         * SIP_ADDRESS_ONLY.
3202         * @hide
3203         */
3204        @Deprecated
3205        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3206
3207        /** @hide */
3208        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3209
3210        /**
3211         * Pointer speed setting.
3212         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3213         *   -7 = slowest
3214         *    0 = default speed
3215         *   +7 = fastest
3216         * @hide
3217         */
3218        public static final String POINTER_SPEED = "pointer_speed";
3219
3220        /** @hide */
3221        public static final Validator POINTER_SPEED_VALIDATOR =
3222                new InclusiveFloatRangeValidator(-7, 7);
3223
3224        /**
3225         * Whether lock-to-app will be triggered by long-press on recents.
3226         * @hide
3227         */
3228        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3229
3230        /** @hide */
3231        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3232
3233        /**
3234         * I am the lolrus.
3235         * <p>
3236         * Nonzero values indicate that the user has a bukkit.
3237         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3238         * @hide
3239         */
3240        public static final String EGG_MODE = "egg_mode";
3241
3242        /** @hide */
3243        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3244            @Override
3245            public boolean validate(String value) {
3246                try {
3247                    return Long.parseLong(value) >= 0;
3248                } catch (NumberFormatException e) {
3249                    return false;
3250                }
3251            }
3252        };
3253
3254        /**
3255         * IMPORTANT: If you add a new public settings you also have to add it to
3256         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3257         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3258         * the setting value. See an example above.
3259         */
3260
3261        /**
3262         * Settings to backup. This is here so that it's in the same place as the settings
3263         * keys and easy to update.
3264         *
3265         * NOTE: Settings are backed up and restored in the order they appear
3266         *       in this array. If you have one setting depending on another,
3267         *       make sure that they are ordered appropriately.
3268         *
3269         * @hide
3270         */
3271        public static final String[] SETTINGS_TO_BACKUP = {
3272            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3273            WIFI_USE_STATIC_IP,
3274            WIFI_STATIC_IP,
3275            WIFI_STATIC_GATEWAY,
3276            WIFI_STATIC_NETMASK,
3277            WIFI_STATIC_DNS1,
3278            WIFI_STATIC_DNS2,
3279            BLUETOOTH_DISCOVERABILITY,
3280            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3281            DIM_SCREEN,
3282            SCREEN_OFF_TIMEOUT,
3283            SCREEN_BRIGHTNESS,
3284            SCREEN_BRIGHTNESS_MODE,
3285            SCREEN_AUTO_BRIGHTNESS_ADJ,
3286            VIBRATE_INPUT_DEVICES,
3287            MODE_RINGER_STREAMS_AFFECTED,
3288            TEXT_AUTO_REPLACE,
3289            TEXT_AUTO_CAPS,
3290            TEXT_AUTO_PUNCTUATE,
3291            TEXT_SHOW_PASSWORD,
3292            AUTO_TIME,                  // moved to global
3293            AUTO_TIME_ZONE,             // moved to global
3294            TIME_12_24,
3295            DATE_FORMAT,
3296            DTMF_TONE_WHEN_DIALING,
3297            DTMF_TONE_TYPE_WHEN_DIALING,
3298            HEARING_AID,
3299            TTY_MODE,
3300            SOUND_EFFECTS_ENABLED,
3301            HAPTIC_FEEDBACK_ENABLED,
3302            POWER_SOUNDS_ENABLED,       // moved to global
3303            DOCK_SOUNDS_ENABLED,        // moved to global
3304            LOCKSCREEN_SOUNDS_ENABLED,
3305            SHOW_WEB_SUGGESTIONS,
3306            SIP_CALL_OPTIONS,
3307            SIP_RECEIVE_CALLS,
3308            POINTER_SPEED,
3309            VIBRATE_WHEN_RINGING,
3310            RINGTONE,
3311            LOCK_TO_APP_ENABLED,
3312            NOTIFICATION_SOUND,
3313            ACCELEROMETER_ROTATION
3314        };
3315
3316        /**
3317         * These are all public system settings
3318         *
3319         * @hide
3320         */
3321        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3322        static {
3323            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3324            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3325            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3326            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3327            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3328            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3329            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3330            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3331            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3332            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3333            PUBLIC_SETTINGS.add(FONT_SCALE);
3334            PUBLIC_SETTINGS.add(DIM_SCREEN);
3335            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3336            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3337            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3338            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3339            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3340            PUBLIC_SETTINGS.add(VIBRATE_ON);
3341            PUBLIC_SETTINGS.add(VOLUME_RING);
3342            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3343            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3344            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3345            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3346            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3347            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3348            PUBLIC_SETTINGS.add(RINGTONE);
3349            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3350            PUBLIC_SETTINGS.add(ALARM_ALERT);
3351            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3352            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3353            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3354            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3355            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3356            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3357            PUBLIC_SETTINGS.add(TIME_12_24);
3358            PUBLIC_SETTINGS.add(DATE_FORMAT);
3359            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3360            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3361            PUBLIC_SETTINGS.add(USER_ROTATION);
3362            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3363            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3364            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3365            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3366            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3367        }
3368
3369        /**
3370         * These are all hidden system settings.
3371         *
3372         * @hide
3373         */
3374        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3375        static {
3376            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3377            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3378            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3379            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3380            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3381            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3382            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3383            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3384            PRIVATE_SETTINGS.add(MASTER_MONO);
3385            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3386            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3387            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3388            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3389            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3390            PRIVATE_SETTINGS.add(HEARING_AID);
3391            PRIVATE_SETTINGS.add(TTY_MODE);
3392            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3393            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3394            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3395            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3396            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3397            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3398            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3399            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3400            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3401            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3402            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3403            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3404            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3405            PRIVATE_SETTINGS.add(LOCK_SOUND);
3406            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3407            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3408            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3409            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3410            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3411            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3412            PRIVATE_SETTINGS.add(POINTER_SPEED);
3413            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3414            PRIVATE_SETTINGS.add(EGG_MODE);
3415        }
3416
3417        /**
3418         * These are all public system settings
3419         *
3420         * @hide
3421         */
3422        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3423        static {
3424            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3425            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3426            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3427            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3428                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3429            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3430            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3431            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3432            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3433            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3434            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3435            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3436            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3437            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3438            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3439            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3440            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3441            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3442            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3443            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3444            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3445            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3446            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3447            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3448            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3449            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3450            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3451            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3452            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3453            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3454            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3455            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3456            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3457            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3458            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3459            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3460            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3461            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3462            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3463            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3464            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3465            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3466            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3467            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3468                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3469            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3470            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3471            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3472            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3473            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3474            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3475            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3476            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3477                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3478            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3479            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3480            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3481            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3482            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3483            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3484            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3485            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3486            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3487            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3488            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3489            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3490            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3491            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3492            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3493        }
3494
3495        /**
3496         * These entries are considered common between the personal and the managed profile,
3497         * since the managed profile doesn't get to change them.
3498         */
3499        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3500        static {
3501            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3502            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3503            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3504            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3505            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3506        }
3507
3508        /** @hide */
3509        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3510            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3511        }
3512
3513        /**
3514         * When to use Wi-Fi calling
3515         *
3516         * @see android.telephony.TelephonyManager.WifiCallingChoices
3517         * @hide
3518         */
3519        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3520
3521        // Settings moved to Settings.Secure
3522
3523        /**
3524         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3525         * instead
3526         */
3527        @Deprecated
3528        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3529
3530        /**
3531         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3532         */
3533        @Deprecated
3534        public static final String ANDROID_ID = Secure.ANDROID_ID;
3535
3536        /**
3537         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3538         */
3539        @Deprecated
3540        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3541
3542        /**
3543         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3544         */
3545        @Deprecated
3546        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3547
3548        /**
3549         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3550         */
3551        @Deprecated
3552        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3553
3554        /**
3555         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3556         */
3557        @Deprecated
3558        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3559
3560        /**
3561         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3562         */
3563        @Deprecated
3564        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3565
3566        /**
3567         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3568         * instead
3569         */
3570        @Deprecated
3571        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3572
3573        /**
3574         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3575         */
3576        @Deprecated
3577        public static final String LOGGING_ID = Secure.LOGGING_ID;
3578
3579        /**
3580         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3581         */
3582        @Deprecated
3583        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3584
3585        /**
3586         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3587         * instead
3588         */
3589        @Deprecated
3590        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3591
3592        /**
3593         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3594         * instead
3595         */
3596        @Deprecated
3597        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3598
3599        /**
3600         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3601         * instead
3602         */
3603        @Deprecated
3604        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3605            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3606
3607        /**
3608         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3609         */
3610        @Deprecated
3611        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3612
3613        /**
3614         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3615         */
3616        @Deprecated
3617        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3618
3619        /**
3620         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3621         */
3622        @Deprecated
3623        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3624
3625       /**
3626         * @deprecated Use
3627         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3628         */
3629        @Deprecated
3630        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3631
3632        /**
3633         * @deprecated Use
3634         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3635         */
3636        @Deprecated
3637        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3638                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3639
3640        /**
3641         * @deprecated Use
3642         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3643         */
3644        @Deprecated
3645        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3646                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3647
3648        /**
3649         * @deprecated Use
3650         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3651         */
3652        @Deprecated
3653        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3654                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3655
3656        /**
3657         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3658         * instead
3659         */
3660        @Deprecated
3661        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3662
3663        /**
3664         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3665         */
3666        @Deprecated
3667        public static final String WIFI_ON = Global.WIFI_ON;
3668
3669        /**
3670         * @deprecated Use
3671         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3672         * instead
3673         */
3674        @Deprecated
3675        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3676                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3677
3678        /**
3679         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3680         */
3681        @Deprecated
3682        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3683
3684        /**
3685         * @deprecated Use
3686         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3687         */
3688        @Deprecated
3689        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3690                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3691
3692        /**
3693         * @deprecated Use
3694         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3695         */
3696        @Deprecated
3697        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3698                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3699
3700        /**
3701         * @deprecated Use
3702         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3703         * instead
3704         */
3705        @Deprecated
3706        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3707                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3708
3709        /**
3710         * @deprecated Use
3711         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3712         */
3713        @Deprecated
3714        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3715            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3716
3717        /**
3718         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3719         * instead
3720         */
3721        @Deprecated
3722        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3723
3724        /**
3725         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3726         */
3727        @Deprecated
3728        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3729
3730        /**
3731         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3732         */
3733        @Deprecated
3734        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3735
3736        /**
3737         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3738         * instead
3739         */
3740        @Deprecated
3741        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3742
3743        /**
3744         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3745         * instead
3746         */
3747        @Deprecated
3748        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3749            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3750
3751        /**
3752         * An app can use this method to check if it is currently allowed to write or modify system
3753         * settings. In order to gain write access to the system settings, an app must declare the
3754         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3755         * currently disallowed, it can prompt the user to grant it this capability through a
3756         * management UI by sending an Intent with action
3757         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3758         *
3759         * @param context A context
3760         * @return true if the calling app can write to system settings, false otherwise
3761         */
3762        public static boolean canWrite(Context context) {
3763            int uid = Binder.getCallingUid();
3764            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3765                    context, uid), false);
3766        }
3767    }
3768
3769    /**
3770     * Secure system settings, containing system preferences that applications
3771     * can read but are not allowed to write.  These are for preferences that
3772     * the user must explicitly modify through the system UI or specialized
3773     * APIs for those values, not modified directly by applications.
3774     */
3775    public static final class Secure extends NameValueTable {
3776        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3777
3778        /**
3779         * The content:// style URL for this table
3780         */
3781        public static final Uri CONTENT_URI =
3782            Uri.parse("content://" + AUTHORITY + "/secure");
3783
3784        // Populated lazily, guarded by class object:
3785        private static final NameValueCache sNameValueCache = new NameValueCache(
3786                SYS_PROP_SETTING_VERSION,
3787                CONTENT_URI,
3788                CALL_METHOD_GET_SECURE,
3789                CALL_METHOD_PUT_SECURE);
3790
3791        private static ILockSettings sLockSettings = null;
3792
3793        private static boolean sIsSystemProcess;
3794        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3795        private static final HashSet<String> MOVED_TO_GLOBAL;
3796        static {
3797            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3798            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3799            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3800            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3801
3802            MOVED_TO_GLOBAL = new HashSet<String>();
3803            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3804            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3805            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3806            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3807            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3808            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3809            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3810            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3811            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3812            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3813            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3814            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3815            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3816            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3817            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3818            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3819            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3820            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3821            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3822            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3823            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3824            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3825            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3826            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3827            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3828            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3829            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3830            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3831            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3832            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3833            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3834            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3835            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3836            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3837            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3838            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3839            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3840            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3841            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3842            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3843            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3844            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3845            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3846            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3847            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3848            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3849            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3850            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3851            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3852            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3853            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3854            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3855            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3856            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3857            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3858            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3859            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3860            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3861            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3862            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3863            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3864            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3865            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3866            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3867            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3868            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3869            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3870            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3871            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3872            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3873            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3874            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3875            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3876            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3877            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3878            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3879            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3880            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3881            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3882            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3883            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3884            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3885            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3886            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3887            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3888            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3889            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3890            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3891            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3892            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3893            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3894            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3895            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3896            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3897            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3898            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3899            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3900            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3901            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3902            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3903            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3904            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3905            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3906            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3907            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3908            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3909            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3910            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3911            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3912            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3913            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3914            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3915        }
3916
3917        /** @hide */
3918        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3919            outKeySet.addAll(MOVED_TO_GLOBAL);
3920        }
3921
3922        /**
3923         * Look up a name in the database.
3924         * @param resolver to access the database with
3925         * @param name to look up in the table
3926         * @return the corresponding value, or null if not present
3927         */
3928        public static String getString(ContentResolver resolver, String name) {
3929            return getStringForUser(resolver, name, UserHandle.myUserId());
3930        }
3931
3932        /** @hide */
3933        public static String getStringForUser(ContentResolver resolver, String name,
3934                int userHandle) {
3935            if (MOVED_TO_GLOBAL.contains(name)) {
3936                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3937                        + " to android.provider.Settings.Global.");
3938                return Global.getStringForUser(resolver, name, userHandle);
3939            }
3940
3941            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3942                synchronized (Secure.class) {
3943                    if (sLockSettings == null) {
3944                        sLockSettings = ILockSettings.Stub.asInterface(
3945                                (IBinder) ServiceManager.getService("lock_settings"));
3946                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3947                    }
3948                }
3949                if (sLockSettings != null && !sIsSystemProcess) {
3950                    // No context; use the ActivityThread's context as an approximation for
3951                    // determining the target API level.
3952                    Application application = ActivityThread.currentApplication();
3953
3954                    boolean isPreMnc = application != null
3955                            && application.getApplicationInfo() != null
3956                            && application.getApplicationInfo().targetSdkVersion
3957                            <= VERSION_CODES.LOLLIPOP_MR1;
3958                    if (isPreMnc) {
3959                        try {
3960                            return sLockSettings.getString(name, "0", userHandle);
3961                        } catch (RemoteException re) {
3962                            // Fall through
3963                        }
3964                    } else {
3965                        throw new SecurityException("Settings.Secure." + name
3966                                + " is deprecated and no longer accessible."
3967                                + " See API documentation for potential replacements.");
3968                    }
3969                }
3970            }
3971
3972            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3973        }
3974
3975        /**
3976         * Store a name/value pair into the database.
3977         * @param resolver to access the database with
3978         * @param name to store
3979         * @param value to associate with the name
3980         * @return true if the value was set, false on database errors
3981         */
3982        public static boolean putString(ContentResolver resolver, String name, String value) {
3983            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3984        }
3985
3986        /** @hide */
3987        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3988                int userHandle) {
3989            if (LOCATION_MODE.equals(name)) {
3990                // HACK ALERT: temporary hack to work around b/10491283.
3991                // TODO: once b/10491283 fixed, remove this hack
3992                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3993            }
3994            if (MOVED_TO_GLOBAL.contains(name)) {
3995                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3996                        + " to android.provider.Settings.Global");
3997                return Global.putStringForUser(resolver, name, value, userHandle);
3998            }
3999            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4000        }
4001
4002        /**
4003         * Construct the content URI for a particular name/value pair,
4004         * useful for monitoring changes with a ContentObserver.
4005         * @param name to look up in the table
4006         * @return the corresponding content URI, or null if not present
4007         */
4008        public static Uri getUriFor(String name) {
4009            if (MOVED_TO_GLOBAL.contains(name)) {
4010                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4011                        + " to android.provider.Settings.Global, returning global URI.");
4012                return Global.getUriFor(Global.CONTENT_URI, name);
4013            }
4014            return getUriFor(CONTENT_URI, name);
4015        }
4016
4017        /**
4018         * Convenience function for retrieving a single secure settings value
4019         * as an integer.  Note that internally setting values are always
4020         * stored as strings; this function converts the string to an integer
4021         * for you.  The default value will be returned if the setting is
4022         * not defined or not an integer.
4023         *
4024         * @param cr The ContentResolver to access.
4025         * @param name The name of the setting to retrieve.
4026         * @param def Value to return if the setting is not defined.
4027         *
4028         * @return The setting's current value, or 'def' if it is not defined
4029         * or not a valid integer.
4030         */
4031        public static int getInt(ContentResolver cr, String name, int def) {
4032            return getIntForUser(cr, name, def, UserHandle.myUserId());
4033        }
4034
4035        /** @hide */
4036        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4037            if (LOCATION_MODE.equals(name)) {
4038                // HACK ALERT: temporary hack to work around b/10491283.
4039                // TODO: once b/10491283 fixed, remove this hack
4040                return getLocationModeForUser(cr, userHandle);
4041            }
4042            String v = getStringForUser(cr, name, userHandle);
4043            try {
4044                return v != null ? Integer.parseInt(v) : def;
4045            } catch (NumberFormatException e) {
4046                return def;
4047            }
4048        }
4049
4050        /**
4051         * Convenience function for retrieving a single secure settings value
4052         * as an integer.  Note that internally setting values are always
4053         * stored as strings; this function converts the string to an integer
4054         * for you.
4055         * <p>
4056         * This version does not take a default value.  If the setting has not
4057         * been set, or the string value is not a number,
4058         * it throws {@link SettingNotFoundException}.
4059         *
4060         * @param cr The ContentResolver to access.
4061         * @param name The name of the setting to retrieve.
4062         *
4063         * @throws SettingNotFoundException Thrown if a setting by the given
4064         * name can't be found or the setting value is not an integer.
4065         *
4066         * @return The setting's current value.
4067         */
4068        public static int getInt(ContentResolver cr, String name)
4069                throws SettingNotFoundException {
4070            return getIntForUser(cr, name, UserHandle.myUserId());
4071        }
4072
4073        /** @hide */
4074        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4075                throws SettingNotFoundException {
4076            if (LOCATION_MODE.equals(name)) {
4077                // HACK ALERT: temporary hack to work around b/10491283.
4078                // TODO: once b/10491283 fixed, remove this hack
4079                return getLocationModeForUser(cr, userHandle);
4080            }
4081            String v = getStringForUser(cr, name, userHandle);
4082            try {
4083                return Integer.parseInt(v);
4084            } catch (NumberFormatException e) {
4085                throw new SettingNotFoundException(name);
4086            }
4087        }
4088
4089        /**
4090         * Convenience function for updating a single settings value as an
4091         * integer. This will either create a new entry in the table if the
4092         * given name does not exist, or modify the value of the existing row
4093         * with that name.  Note that internally setting values are always
4094         * stored as strings, so this function converts the given value to a
4095         * string before storing it.
4096         *
4097         * @param cr The ContentResolver to access.
4098         * @param name The name of the setting to modify.
4099         * @param value The new value for the setting.
4100         * @return true if the value was set, false on database errors
4101         */
4102        public static boolean putInt(ContentResolver cr, String name, int value) {
4103            return putIntForUser(cr, name, value, UserHandle.myUserId());
4104        }
4105
4106        /** @hide */
4107        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4108                int userHandle) {
4109            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4110        }
4111
4112        /**
4113         * Convenience function for retrieving a single secure settings value
4114         * as a {@code long}.  Note that internally setting values are always
4115         * stored as strings; this function converts the string to a {@code long}
4116         * for you.  The default value will be returned if the setting is
4117         * not defined or not a {@code long}.
4118         *
4119         * @param cr The ContentResolver to access.
4120         * @param name The name of the setting to retrieve.
4121         * @param def Value to return if the setting is not defined.
4122         *
4123         * @return The setting's current value, or 'def' if it is not defined
4124         * or not a valid {@code long}.
4125         */
4126        public static long getLong(ContentResolver cr, String name, long def) {
4127            return getLongForUser(cr, name, def, UserHandle.myUserId());
4128        }
4129
4130        /** @hide */
4131        public static long getLongForUser(ContentResolver cr, String name, long def,
4132                int userHandle) {
4133            String valString = getStringForUser(cr, name, userHandle);
4134            long value;
4135            try {
4136                value = valString != null ? Long.parseLong(valString) : def;
4137            } catch (NumberFormatException e) {
4138                value = def;
4139            }
4140            return value;
4141        }
4142
4143        /**
4144         * Convenience function for retrieving a single secure settings value
4145         * as a {@code long}.  Note that internally setting values are always
4146         * stored as strings; this function converts the string to a {@code long}
4147         * for you.
4148         * <p>
4149         * This version does not take a default value.  If the setting has not
4150         * been set, or the string value is not a number,
4151         * it throws {@link SettingNotFoundException}.
4152         *
4153         * @param cr The ContentResolver to access.
4154         * @param name The name of the setting to retrieve.
4155         *
4156         * @return The setting's current value.
4157         * @throws SettingNotFoundException Thrown if a setting by the given
4158         * name can't be found or the setting value is not an integer.
4159         */
4160        public static long getLong(ContentResolver cr, String name)
4161                throws SettingNotFoundException {
4162            return getLongForUser(cr, name, UserHandle.myUserId());
4163        }
4164
4165        /** @hide */
4166        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4167                throws SettingNotFoundException {
4168            String valString = getStringForUser(cr, name, userHandle);
4169            try {
4170                return Long.parseLong(valString);
4171            } catch (NumberFormatException e) {
4172                throw new SettingNotFoundException(name);
4173            }
4174        }
4175
4176        /**
4177         * Convenience function for updating a secure settings value as a long
4178         * integer. This will either create a new entry in the table if the
4179         * given name does not exist, or modify the value of the existing row
4180         * with that name.  Note that internally setting values are always
4181         * stored as strings, so this function converts the given value to a
4182         * string before storing it.
4183         *
4184         * @param cr The ContentResolver to access.
4185         * @param name The name of the setting to modify.
4186         * @param value The new value for the setting.
4187         * @return true if the value was set, false on database errors
4188         */
4189        public static boolean putLong(ContentResolver cr, String name, long value) {
4190            return putLongForUser(cr, name, value, UserHandle.myUserId());
4191        }
4192
4193        /** @hide */
4194        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4195                int userHandle) {
4196            return putStringForUser(cr, name, Long.toString(value), userHandle);
4197        }
4198
4199        /**
4200         * Convenience function for retrieving a single secure settings value
4201         * as a floating point number.  Note that internally setting values are
4202         * always stored as strings; this function converts the string to an
4203         * float for you. The default value will be returned if the setting
4204         * is not defined or not a valid float.
4205         *
4206         * @param cr The ContentResolver to access.
4207         * @param name The name of the setting to retrieve.
4208         * @param def Value to return if the setting is not defined.
4209         *
4210         * @return The setting's current value, or 'def' if it is not defined
4211         * or not a valid float.
4212         */
4213        public static float getFloat(ContentResolver cr, String name, float def) {
4214            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4215        }
4216
4217        /** @hide */
4218        public static float getFloatForUser(ContentResolver cr, String name, float def,
4219                int userHandle) {
4220            String v = getStringForUser(cr, name, userHandle);
4221            try {
4222                return v != null ? Float.parseFloat(v) : def;
4223            } catch (NumberFormatException e) {
4224                return def;
4225            }
4226        }
4227
4228        /**
4229         * Convenience function for retrieving a single secure settings value
4230         * as a float.  Note that internally setting values are always
4231         * stored as strings; this function converts the string to a float
4232         * for you.
4233         * <p>
4234         * This version does not take a default value.  If the setting has not
4235         * been set, or the string value is not a number,
4236         * it throws {@link SettingNotFoundException}.
4237         *
4238         * @param cr The ContentResolver to access.
4239         * @param name The name of the setting to retrieve.
4240         *
4241         * @throws SettingNotFoundException Thrown if a setting by the given
4242         * name can't be found or the setting value is not a float.
4243         *
4244         * @return The setting's current value.
4245         */
4246        public static float getFloat(ContentResolver cr, String name)
4247                throws SettingNotFoundException {
4248            return getFloatForUser(cr, name, UserHandle.myUserId());
4249        }
4250
4251        /** @hide */
4252        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4253                throws SettingNotFoundException {
4254            String v = getStringForUser(cr, name, userHandle);
4255            if (v == null) {
4256                throw new SettingNotFoundException(name);
4257            }
4258            try {
4259                return Float.parseFloat(v);
4260            } catch (NumberFormatException e) {
4261                throw new SettingNotFoundException(name);
4262            }
4263        }
4264
4265        /**
4266         * Convenience function for updating a single settings value as a
4267         * floating point number. This will either create a new entry in the
4268         * table if the given name does not exist, or modify the value of the
4269         * existing row with that name.  Note that internally setting values
4270         * are always stored as strings, so this function converts the given
4271         * value to a string before storing it.
4272         *
4273         * @param cr The ContentResolver to access.
4274         * @param name The name of the setting to modify.
4275         * @param value The new value for the setting.
4276         * @return true if the value was set, false on database errors
4277         */
4278        public static boolean putFloat(ContentResolver cr, String name, float value) {
4279            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4280        }
4281
4282        /** @hide */
4283        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4284                int userHandle) {
4285            return putStringForUser(cr, name, Float.toString(value), userHandle);
4286        }
4287
4288        /**
4289         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4290         * instead
4291         */
4292        @Deprecated
4293        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4294                Global.DEVELOPMENT_SETTINGS_ENABLED;
4295
4296        /**
4297         * When the user has enable the option to have a "bug report" command
4298         * in the power menu.
4299         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4300         * @hide
4301         */
4302        @Deprecated
4303        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4304
4305        /**
4306         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4307         */
4308        @Deprecated
4309        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4310
4311        /**
4312         * Setting to allow mock locations and location provider status to be injected into the
4313         * LocationManager service for testing purposes during application development.  These
4314         * locations and status values  override actual location and status information generated
4315         * by network, gps, or other location providers.
4316         *
4317         * @deprecated This settings is not used anymore.
4318         */
4319        @Deprecated
4320        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4321
4322        /**
4323         * A 64-bit number (as a hex string) that is randomly
4324         * generated when the user first sets up the device and should remain
4325         * constant for the lifetime of the user's device. The value may
4326         * change if a factory reset is performed on the device.
4327         * <p class="note"><strong>Note:</strong> When a device has <a
4328         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4329         * (available on certain devices running Android 4.2 or higher), each user appears as a
4330         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4331         * user.</p>
4332         */
4333        public static final String ANDROID_ID = "android_id";
4334
4335        /**
4336         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4337         */
4338        @Deprecated
4339        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4340
4341        /**
4342         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4343         */
4344        @Deprecated
4345        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4346
4347        /**
4348         * Setting to record the input method used by default, holding the ID
4349         * of the desired method.
4350         */
4351        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4352
4353        /**
4354         * Setting to record the input method subtype used by default, holding the ID
4355         * of the desired method.
4356         */
4357        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4358                "selected_input_method_subtype";
4359
4360        /**
4361         * Setting to record the history of input method subtype, holding the pair of ID of IME
4362         * and its last used subtype.
4363         * @hide
4364         */
4365        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4366                "input_methods_subtype_history";
4367
4368        /**
4369         * Setting to record the visibility of input method selector
4370         */
4371        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4372                "input_method_selector_visibility";
4373
4374        /**
4375         * The currently selected voice interaction service flattened ComponentName.
4376         * @hide
4377         */
4378        @TestApi
4379        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4380
4381        /**
4382         * bluetooth HCI snoop log configuration
4383         * @hide
4384         */
4385        public static final String BLUETOOTH_HCI_LOG =
4386                "bluetooth_hci_log";
4387
4388        /**
4389         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4390         */
4391        @Deprecated
4392        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4393
4394        /**
4395         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4396         * @hide
4397         */
4398        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4399
4400        /**
4401         * List of input methods that are currently enabled.  This is a string
4402         * containing the IDs of all enabled input methods, each ID separated
4403         * by ':'.
4404         */
4405        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4406
4407        /**
4408         * List of system input methods that are currently disabled.  This is a string
4409         * containing the IDs of all disabled input methods, each ID separated
4410         * by ':'.
4411         * @hide
4412         */
4413        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4414
4415        /**
4416         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4417         * determines if the IME should be shown when a hard keyboard is attached.
4418         * @hide
4419         */
4420        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4421
4422        /**
4423         * Host name and port for global http proxy. Uses ':' seperator for
4424         * between host and port.
4425         *
4426         * @deprecated Use {@link Global#HTTP_PROXY}
4427         */
4428        @Deprecated
4429        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4430
4431        /**
4432         * Whether applications can be installed for this user via the system's
4433         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4434         *
4435         * <p>1 = permit app installation via the system package installer intent
4436         * <p>0 = do not allow use of the package installer
4437         */
4438        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4439
4440        /**
4441         * Comma-separated list of location providers that activities may access. Do not rely on
4442         * this value being present in settings.db or on ContentObserver notifications on the
4443         * corresponding Uri.
4444         *
4445         * @deprecated use {@link #LOCATION_MODE} and
4446         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4447         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4448         */
4449        @Deprecated
4450        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4451
4452        /**
4453         * The degree of location access enabled by the user.
4454         * <p>
4455         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4456         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4457         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4458         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4459         * modes that might be added in the future.
4460         * <p>
4461         * Note: do not rely on this value being present in settings.db or on ContentObserver
4462         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4463         * to receive changes in this value.
4464         */
4465        public static final String LOCATION_MODE = "location_mode";
4466        /**
4467         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4468         * {@link #LOCATION_MODE_OFF}
4469         * @hide
4470         */
4471        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4472
4473        /**
4474         * Sets all location providers to the previous states before location was turned off.
4475         * @hide
4476         */
4477        public static final int LOCATION_MODE_PREVIOUS = -1;
4478        /**
4479         * Location access disabled.
4480         */
4481        public static final int LOCATION_MODE_OFF = 0;
4482        /**
4483         * Network Location Provider disabled, but GPS and other sensors enabled.
4484         */
4485        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4486        /**
4487         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4488         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4489         * {@link android.location.Criteria#POWER_MEDIUM}.
4490         */
4491        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4492        /**
4493         * Best-effort location computation allowed.
4494         */
4495        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4496
4497        /**
4498         * A flag containing settings used for biometric weak
4499         * @hide
4500         */
4501        @Deprecated
4502        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4503                "lock_biometric_weak_flags";
4504
4505        /**
4506         * Whether lock-to-app will lock the keyguard when exiting.
4507         * @hide
4508         */
4509        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4510
4511        /**
4512         * Whether autolock is enabled (0 = false, 1 = true)
4513         *
4514         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4515         *             level of the keyguard. Accessing this setting from an app that is targeting
4516         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4517         */
4518        @Deprecated
4519        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4520
4521        /**
4522         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4523         *
4524         * @deprecated Accessing this setting from an app that is targeting
4525         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4526         */
4527        @Deprecated
4528        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4529
4530        /**
4531         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4532         * true)
4533         *
4534         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4535         *             lockscreen uses
4536         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4537         *             Accessing this setting from an app that is targeting
4538         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4539         */
4540        @Deprecated
4541        public static final String
4542                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4543
4544        /**
4545         * This preference allows the device to be locked given time after screen goes off,
4546         * subject to current DeviceAdmin policy limits.
4547         * @hide
4548         */
4549        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4550
4551
4552        /**
4553         * This preference contains the string that shows for owner info on LockScreen.
4554         * @hide
4555         * @deprecated
4556         */
4557        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4558
4559        /**
4560         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4561         * @hide
4562         */
4563        @Deprecated
4564        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4565            "lock_screen_appwidget_ids";
4566
4567        /**
4568         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4569         * @hide
4570         */
4571        @Deprecated
4572        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4573            "lock_screen_fallback_appwidget_id";
4574
4575        /**
4576         * Index of the lockscreen appwidget to restore, -1 if none.
4577         * @hide
4578         */
4579        @Deprecated
4580        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4581            "lock_screen_sticky_appwidget";
4582
4583        /**
4584         * This preference enables showing the owner info on LockScreen.
4585         * @hide
4586         * @deprecated
4587         */
4588        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4589            "lock_screen_owner_info_enabled";
4590
4591        /**
4592         * When set by a user, allows notifications to be shown atop a securely locked screen
4593         * in their full "private" form (same as when the device is unlocked).
4594         * @hide
4595         */
4596        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4597                "lock_screen_allow_private_notifications";
4598
4599        /**
4600         * Set by the system to track if the user needs to see the call to action for
4601         * the lockscreen notification policy.
4602         * @hide
4603         */
4604        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4605                "show_note_about_notification_hiding";
4606
4607        /**
4608         * Set to 1 by the system after trust agents have been initialized.
4609         * @hide
4610         */
4611        public static final String TRUST_AGENTS_INITIALIZED =
4612                "trust_agents_initialized";
4613
4614        /**
4615         * The Logging ID (a unique 64-bit value) as a hex string.
4616         * Used as a pseudonymous identifier for logging.
4617         * @deprecated This identifier is poorly initialized and has
4618         * many collisions.  It should not be used.
4619         */
4620        @Deprecated
4621        public static final String LOGGING_ID = "logging_id";
4622
4623        /**
4624         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4625         */
4626        @Deprecated
4627        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4628
4629        /**
4630         * No longer supported.
4631         */
4632        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4633
4634        /**
4635         * No longer supported.
4636         */
4637        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4638
4639        /**
4640         * No longer supported.
4641         */
4642        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4643
4644        /**
4645         * Settings classname to launch when Settings is clicked from All
4646         * Applications.  Needed because of user testing between the old
4647         * and new Settings apps.
4648         */
4649        // TODO: 881807
4650        public static final String SETTINGS_CLASSNAME = "settings_classname";
4651
4652        /**
4653         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4654         */
4655        @Deprecated
4656        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4657
4658        /**
4659         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4660         */
4661        @Deprecated
4662        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4663
4664        /**
4665         * If accessibility is enabled.
4666         */
4667        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4668
4669        /**
4670         * If touch exploration is enabled.
4671         */
4672        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4673
4674        /**
4675         * List of the enabled accessibility providers.
4676         */
4677        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4678            "enabled_accessibility_services";
4679
4680        /**
4681         * List of the accessibility services to which the user has granted
4682         * permission to put the device into touch exploration mode.
4683         *
4684         * @hide
4685         */
4686        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4687            "touch_exploration_granted_accessibility_services";
4688
4689        /**
4690         * Whether to speak passwords while in accessibility mode.
4691         */
4692        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4693
4694        /**
4695         * Whether to draw text with high contrast while in accessibility mode.
4696         *
4697         * @hide
4698         */
4699        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4700                "high_text_contrast_enabled";
4701
4702        /**
4703         * If injection of accessibility enhancing JavaScript screen-reader
4704         * is enabled.
4705         * <p>
4706         *   Note: The JavaScript based screen-reader is served by the
4707         *   Google infrastructure and enable users with disabilities to
4708         *   efficiently navigate in and explore web content.
4709         * </p>
4710         * <p>
4711         *   This property represents a boolean value.
4712         * </p>
4713         * @hide
4714         */
4715        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4716            "accessibility_script_injection";
4717
4718        /**
4719         * The URL for the injected JavaScript based screen-reader used
4720         * for providing accessibility of content in WebView.
4721         * <p>
4722         *   Note: The JavaScript based screen-reader is served by the
4723         *   Google infrastructure and enable users with disabilities to
4724         *   efficiently navigate in and explore web content.
4725         * </p>
4726         * <p>
4727         *   This property represents a string value.
4728         * </p>
4729         * @hide
4730         */
4731        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4732            "accessibility_script_injection_url";
4733
4734        /**
4735         * Key bindings for navigation in built-in accessibility support for web content.
4736         * <p>
4737         *   Note: These key bindings are for the built-in accessibility navigation for
4738         *   web content which is used as a fall back solution if JavaScript in a WebView
4739         *   is not enabled or the user has not opted-in script injection from Google.
4740         * </p>
4741         * <p>
4742         *   The bindings are separated by semi-colon. A binding is a mapping from
4743         *   a key to a sequence of actions (for more details look at
4744         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4745         *   string representation of an integer obtained from a meta state (optional) shifted
4746         *   sixteen times left and bitwise ored with a key code. An action is represented
4747         *   as a hexademical string representation of an integer where the first two digits
4748         *   are navigation action index, the second, the third, and the fourth digit pairs
4749         *   represent the action arguments. The separate actions in a binding are colon
4750         *   separated. The key and the action sequence it maps to are separated by equals.
4751         * </p>
4752         * <p>
4753         *   For example, the binding below maps the DPAD right button to traverse the
4754         *   current navigation axis once without firing an accessibility event and to
4755         *   perform the same traversal again but to fire an event:
4756         *   <code>
4757         *     0x16=0x01000100:0x01000101;
4758         *   </code>
4759         * </p>
4760         * <p>
4761         *   The goal of this binding is to enable dynamic rebinding of keys to
4762         *   navigation actions for web content without requiring a framework change.
4763         * </p>
4764         * <p>
4765         *   This property represents a string value.
4766         * </p>
4767         * @hide
4768         */
4769        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4770            "accessibility_web_content_key_bindings";
4771
4772        /**
4773         * Setting that specifies whether the display magnification is enabled.
4774         * Display magnifications allows the user to zoom in the display content
4775         * and is targeted to low vision users. The current magnification scale
4776         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4777         *
4778         * @hide
4779         */
4780        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4781                "accessibility_display_magnification_enabled";
4782
4783        /**
4784         * Setting that specifies what the display magnification scale is.
4785         * Display magnifications allows the user to zoom in the display
4786         * content and is targeted to low vision users. Whether a display
4787         * magnification is performed is controlled by
4788         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4789         *
4790         * @hide
4791         */
4792        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4793                "accessibility_display_magnification_scale";
4794
4795        /**
4796         * Setting that specifies whether the display magnification should be
4797         * automatically updated. If this fearture is enabled the system will
4798         * exit magnification mode or pan the viewport when a context change
4799         * occurs. For example, on staring a new activity or rotating the screen,
4800         * the system may zoom out so the user can see the new context he is in.
4801         * Another example is on showing a window that is not visible in the
4802         * magnified viewport the system may pan the viewport to make the window
4803         * the has popped up so the user knows that the context has changed.
4804         * Whether a screen magnification is performed is controlled by
4805         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4806         *
4807         * @hide
4808         */
4809        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4810                "accessibility_display_magnification_auto_update";
4811
4812        /**
4813         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
4814         * modified from an AccessibilityService using the SoftKeyboardController.
4815         *
4816         * @hide
4817         */
4818        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
4819                "accessibility_soft_keyboard_mode";
4820
4821        /**
4822         * Default soft keyboard behavior.
4823         *
4824         * @hide
4825         */
4826        public static final int SHOW_MODE_AUTO = 0;
4827
4828        /**
4829         * Soft keyboard is never shown.
4830         *
4831         * @hide
4832         */
4833        public static final int SHOW_MODE_HIDDEN = 1;
4834
4835        /**
4836         * Setting that specifies whether timed text (captions) should be
4837         * displayed in video content. Text display properties are controlled by
4838         * the following settings:
4839         * <ul>
4840         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4841         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4842         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4843         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4844         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4845         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4846         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4847         * </ul>
4848         *
4849         * @hide
4850         */
4851        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4852                "accessibility_captioning_enabled";
4853
4854        /**
4855         * Setting that specifies the language for captions as a locale string,
4856         * e.g. en_US.
4857         *
4858         * @see java.util.Locale#toString
4859         * @hide
4860         */
4861        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4862                "accessibility_captioning_locale";
4863
4864        /**
4865         * Integer property that specifies the preset style for captions, one
4866         * of:
4867         * <ul>
4868         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4869         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4870         * </ul>
4871         *
4872         * @see java.util.Locale#toString
4873         * @hide
4874         */
4875        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4876                "accessibility_captioning_preset";
4877
4878        /**
4879         * Integer property that specifes the background color for captions as a
4880         * packed 32-bit color.
4881         *
4882         * @see android.graphics.Color#argb
4883         * @hide
4884         */
4885        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4886                "accessibility_captioning_background_color";
4887
4888        /**
4889         * Integer property that specifes the foreground color for captions as a
4890         * packed 32-bit color.
4891         *
4892         * @see android.graphics.Color#argb
4893         * @hide
4894         */
4895        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4896                "accessibility_captioning_foreground_color";
4897
4898        /**
4899         * Integer property that specifes the edge type for captions, one of:
4900         * <ul>
4901         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4902         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4903         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4904         * </ul>
4905         *
4906         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4907         * @hide
4908         */
4909        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4910                "accessibility_captioning_edge_type";
4911
4912        /**
4913         * Integer property that specifes the edge color for captions as a
4914         * packed 32-bit color.
4915         *
4916         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4917         * @see android.graphics.Color#argb
4918         * @hide
4919         */
4920        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4921                "accessibility_captioning_edge_color";
4922
4923        /**
4924         * Integer property that specifes the window color for captions as a
4925         * packed 32-bit color.
4926         *
4927         * @see android.graphics.Color#argb
4928         * @hide
4929         */
4930        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4931                "accessibility_captioning_window_color";
4932
4933        /**
4934         * String property that specifies the typeface for captions, one of:
4935         * <ul>
4936         * <li>DEFAULT
4937         * <li>MONOSPACE
4938         * <li>SANS_SERIF
4939         * <li>SERIF
4940         * </ul>
4941         *
4942         * @see android.graphics.Typeface
4943         * @hide
4944         */
4945        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4946                "accessibility_captioning_typeface";
4947
4948        /**
4949         * Floating point property that specifies font scaling for captions.
4950         *
4951         * @hide
4952         */
4953        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4954                "accessibility_captioning_font_scale";
4955
4956        /**
4957         * Setting that specifies whether display color inversion is enabled.
4958         */
4959        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4960                "accessibility_display_inversion_enabled";
4961
4962        /**
4963         * Setting that specifies whether display color space adjustment is
4964         * enabled.
4965         *
4966         * @hide
4967         */
4968        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4969                "accessibility_display_daltonizer_enabled";
4970
4971        /**
4972         * Integer property that specifies the type of color space adjustment to
4973         * perform. Valid values are defined in AccessibilityManager.
4974         *
4975         * @hide
4976         */
4977        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4978                "accessibility_display_daltonizer";
4979
4980        /**
4981         * Float list that specifies the color matrix to apply to
4982         * the display. Valid values are defined in AccessibilityManager.
4983         *
4984         * @hide
4985         */
4986        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
4987                "accessibility_display_color_matrix";
4988
4989        /**
4990         * Setting that specifies whether automatic click when the mouse pointer stops moving is
4991         * enabled.
4992         *
4993         * @hide
4994         */
4995        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
4996                "accessibility_autoclick_enabled";
4997
4998        /**
4999         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5000         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5001         *
5002         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5003         * @hide
5004         */
5005        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5006                "accessibility_autoclick_delay";
5007
5008        /**
5009         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5010         * accessibility.
5011         * (0 = false, 1 = true)
5012         * @hide
5013         */
5014        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5015                "accessibility_large_pointer_icon";
5016
5017        /**
5018         * The timeout for considering a press to be a long press in milliseconds.
5019         * @hide
5020         */
5021        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5022
5023        /**
5024         * List of the enabled print services.
5025         *
5026         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5027         * from pre-N.
5028         *
5029         * @hide
5030         */
5031        public static final String ENABLED_PRINT_SERVICES =
5032            "enabled_print_services";
5033
5034        /**
5035         * List of the disabled print services.
5036         *
5037         * @hide
5038         */
5039        public static final String DISABLED_PRINT_SERVICES =
5040            "disabled_print_services";
5041
5042        /**
5043         * Setting to always use the default text-to-speech settings regardless
5044         * of the application settings.
5045         * 1 = override application settings,
5046         * 0 = use application settings (if specified).
5047         *
5048         * @deprecated  The value of this setting is no longer respected by
5049         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5050         */
5051        @Deprecated
5052        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5053
5054        /**
5055         * Default text-to-speech engine speech rate. 100 = 1x
5056         */
5057        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5058
5059        /**
5060         * Default text-to-speech engine pitch. 100 = 1x
5061         */
5062        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5063
5064        /**
5065         * Default text-to-speech engine.
5066         */
5067        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5068
5069        /**
5070         * Default text-to-speech language.
5071         *
5072         * @deprecated this setting is no longer in use, as of the Ice Cream
5073         * Sandwich release. Apps should never need to read this setting directly,
5074         * instead can query the TextToSpeech framework classes for the default
5075         * locale. {@link TextToSpeech#getLanguage()}.
5076         */
5077        @Deprecated
5078        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5079
5080        /**
5081         * Default text-to-speech country.
5082         *
5083         * @deprecated this setting is no longer in use, as of the Ice Cream
5084         * Sandwich release. Apps should never need to read this setting directly,
5085         * instead can query the TextToSpeech framework classes for the default
5086         * locale. {@link TextToSpeech#getLanguage()}.
5087         */
5088        @Deprecated
5089        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5090
5091        /**
5092         * Default text-to-speech locale variant.
5093         *
5094         * @deprecated this setting is no longer in use, as of the Ice Cream
5095         * Sandwich release. Apps should never need to read this setting directly,
5096         * instead can query the TextToSpeech framework classes for the
5097         * locale that is in use {@link TextToSpeech#getLanguage()}.
5098         */
5099        @Deprecated
5100        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5101
5102        /**
5103         * Stores the default tts locales on a per engine basis. Stored as
5104         * a comma seperated list of values, each value being of the form
5105         * {@code engine_name:locale} for example,
5106         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5107         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5108         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5109         * setting directly, and can query the TextToSpeech framework classes
5110         * for the locale that is in use.
5111         *
5112         * @hide
5113         */
5114        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5115
5116        /**
5117         * Space delimited list of plugin packages that are enabled.
5118         */
5119        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5120
5121        /**
5122         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5123         * instead.
5124         */
5125        @Deprecated
5126        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5127                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5128
5129        /**
5130         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5131         * instead.
5132         */
5133        @Deprecated
5134        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5135                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5136
5137        /**
5138         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5139         * instead.
5140         */
5141        @Deprecated
5142        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5143                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5144
5145        /**
5146         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5147         * instead.
5148         */
5149        @Deprecated
5150        public static final String WIFI_ON = Global.WIFI_ON;
5151
5152        /**
5153         * The acceptable packet loss percentage (range 0 - 100) before trying
5154         * another AP on the same network.
5155         * @deprecated This setting is not used.
5156         */
5157        @Deprecated
5158        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5159                "wifi_watchdog_acceptable_packet_loss_percentage";
5160
5161        /**
5162         * The number of access points required for a network in order for the
5163         * watchdog to monitor it.
5164         * @deprecated This setting is not used.
5165         */
5166        @Deprecated
5167        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5168
5169        /**
5170         * The delay between background checks.
5171         * @deprecated This setting is not used.
5172         */
5173        @Deprecated
5174        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5175                "wifi_watchdog_background_check_delay_ms";
5176
5177        /**
5178         * Whether the Wi-Fi watchdog is enabled for background checking even
5179         * after it thinks the user has connected to a good access point.
5180         * @deprecated This setting is not used.
5181         */
5182        @Deprecated
5183        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5184                "wifi_watchdog_background_check_enabled";
5185
5186        /**
5187         * The timeout for a background ping
5188         * @deprecated This setting is not used.
5189         */
5190        @Deprecated
5191        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5192                "wifi_watchdog_background_check_timeout_ms";
5193
5194        /**
5195         * The number of initial pings to perform that *may* be ignored if they
5196         * fail. Again, if these fail, they will *not* be used in packet loss
5197         * calculation. For example, one network always seemed to time out for
5198         * the first couple pings, so this is set to 3 by default.
5199         * @deprecated This setting is not used.
5200         */
5201        @Deprecated
5202        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5203            "wifi_watchdog_initial_ignored_ping_count";
5204
5205        /**
5206         * The maximum number of access points (per network) to attempt to test.
5207         * If this number is reached, the watchdog will no longer monitor the
5208         * initial connection state for the network. This is a safeguard for
5209         * networks containing multiple APs whose DNS does not respond to pings.
5210         * @deprecated This setting is not used.
5211         */
5212        @Deprecated
5213        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5214
5215        /**
5216         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5217         */
5218        @Deprecated
5219        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5220
5221        /**
5222         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5223         * @deprecated This setting is not used.
5224         */
5225        @Deprecated
5226        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5227
5228        /**
5229         * The number of pings to test if an access point is a good connection.
5230         * @deprecated This setting is not used.
5231         */
5232        @Deprecated
5233        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5234
5235        /**
5236         * The delay between pings.
5237         * @deprecated This setting is not used.
5238         */
5239        @Deprecated
5240        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5241
5242        /**
5243         * The timeout per ping.
5244         * @deprecated This setting is not used.
5245         */
5246        @Deprecated
5247        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5248
5249        /**
5250         * @deprecated Use
5251         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5252         */
5253        @Deprecated
5254        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5255
5256        /**
5257         * @deprecated Use
5258         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5259         */
5260        @Deprecated
5261        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5262                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5263
5264        /**
5265         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5266         * the receivers of the PendingIntent an opportunity to make a new network request before
5267         * the Network satisfying the request is potentially removed.
5268         *
5269         * @hide
5270         */
5271        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5272                "connectivity_release_pending_intent_delay_ms";
5273
5274        /**
5275         * Whether background data usage is allowed.
5276         *
5277         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5278         *             availability of background data depends on several
5279         *             combined factors. When background data is unavailable,
5280         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5281         *             now appear disconnected.
5282         */
5283        @Deprecated
5284        public static final String BACKGROUND_DATA = "background_data";
5285
5286        /**
5287         * Origins for which browsers should allow geolocation by default.
5288         * The value is a space-separated list of origins.
5289         */
5290        public static final String ALLOWED_GEOLOCATION_ORIGINS
5291                = "allowed_geolocation_origins";
5292
5293        /**
5294         * The preferred TTY mode     0 = TTy Off, CDMA default
5295         *                            1 = TTY Full
5296         *                            2 = TTY HCO
5297         *                            3 = TTY VCO
5298         * @hide
5299         */
5300        public static final String PREFERRED_TTY_MODE =
5301                "preferred_tty_mode";
5302
5303        /**
5304         * Whether the enhanced voice privacy mode is enabled.
5305         * 0 = normal voice privacy
5306         * 1 = enhanced voice privacy
5307         * @hide
5308         */
5309        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5310
5311        /**
5312         * Whether the TTY mode mode is enabled.
5313         * 0 = disabled
5314         * 1 = enabled
5315         * @hide
5316         */
5317        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5318
5319        /**
5320         * Controls whether settings backup is enabled.
5321         * Type: int ( 0 = disabled, 1 = enabled )
5322         * @hide
5323         */
5324        public static final String BACKUP_ENABLED = "backup_enabled";
5325
5326        /**
5327         * Controls whether application data is automatically restored from backup
5328         * at install time.
5329         * Type: int ( 0 = disabled, 1 = enabled )
5330         * @hide
5331         */
5332        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5333
5334        /**
5335         * Indicates whether settings backup has been fully provisioned.
5336         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5337         * @hide
5338         */
5339        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5340
5341        /**
5342         * Component of the transport to use for backup/restore.
5343         * @hide
5344         */
5345        public static final String BACKUP_TRANSPORT = "backup_transport";
5346
5347        /**
5348         * Version for which the setup wizard was last shown.  Bumped for
5349         * each release when there is new setup information to show.
5350         * @hide
5351         */
5352        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5353
5354        /**
5355         * The interval in milliseconds after which Wi-Fi is considered idle.
5356         * When idle, it is possible for the device to be switched from Wi-Fi to
5357         * the mobile data network.
5358         * @hide
5359         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5360         * instead.
5361         */
5362        @Deprecated
5363        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5364
5365        /**
5366         * The global search provider chosen by the user (if multiple global
5367         * search providers are installed). This will be the provider returned
5368         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5369         * installed. This setting is stored as a flattened component name as
5370         * per {@link ComponentName#flattenToString()}.
5371         *
5372         * @hide
5373         */
5374        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5375                "search_global_search_activity";
5376
5377        /**
5378         * The number of promoted sources in GlobalSearch.
5379         * @hide
5380         */
5381        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5382        /**
5383         * The maximum number of suggestions returned by GlobalSearch.
5384         * @hide
5385         */
5386        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5387        /**
5388         * The number of suggestions GlobalSearch will ask each non-web search source for.
5389         * @hide
5390         */
5391        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5392        /**
5393         * The number of suggestions the GlobalSearch will ask the web search source for.
5394         * @hide
5395         */
5396        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5397                "search_web_results_override_limit";
5398        /**
5399         * The number of milliseconds that GlobalSearch will wait for suggestions from
5400         * promoted sources before continuing with all other sources.
5401         * @hide
5402         */
5403        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5404                "search_promoted_source_deadline_millis";
5405        /**
5406         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5407         * @hide
5408         */
5409        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5410        /**
5411         * The maximum number of milliseconds that GlobalSearch shows the previous results
5412         * after receiving a new query.
5413         * @hide
5414         */
5415        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5416        /**
5417         * The maximum age of log data used for shortcuts in GlobalSearch.
5418         * @hide
5419         */
5420        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5421        /**
5422         * The maximum age of log data used for source ranking in GlobalSearch.
5423         * @hide
5424         */
5425        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5426                "search_max_source_event_age_millis";
5427        /**
5428         * The minimum number of impressions needed to rank a source in GlobalSearch.
5429         * @hide
5430         */
5431        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5432                "search_min_impressions_for_source_ranking";
5433        /**
5434         * The minimum number of clicks needed to rank a source in GlobalSearch.
5435         * @hide
5436         */
5437        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5438                "search_min_clicks_for_source_ranking";
5439        /**
5440         * The maximum number of shortcuts shown by GlobalSearch.
5441         * @hide
5442         */
5443        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5444        /**
5445         * The size of the core thread pool for suggestion queries in GlobalSearch.
5446         * @hide
5447         */
5448        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5449                "search_query_thread_core_pool_size";
5450        /**
5451         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5452         * @hide
5453         */
5454        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5455                "search_query_thread_max_pool_size";
5456        /**
5457         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5458         * @hide
5459         */
5460        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5461                "search_shortcut_refresh_core_pool_size";
5462        /**
5463         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5464         * @hide
5465         */
5466        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5467                "search_shortcut_refresh_max_pool_size";
5468        /**
5469         * The maximun time that excess threads in the GlobalSeach thread pools will
5470         * wait before terminating.
5471         * @hide
5472         */
5473        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5474                "search_thread_keepalive_seconds";
5475        /**
5476         * The maximum number of concurrent suggestion queries to each source.
5477         * @hide
5478         */
5479        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5480                "search_per_source_concurrent_query_limit";
5481
5482        /**
5483         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5484         * @hide
5485         */
5486        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5487
5488        /**
5489         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5490         * @hide
5491         */
5492        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5493
5494        /**
5495         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5496         * @hide
5497         */
5498        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5499
5500        /**
5501         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5502         * @hide
5503         */
5504        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5505
5506        /**
5507         * If nonzero, ANRs in invisible background processes bring up a dialog.
5508         * Otherwise, the process will be silently killed.
5509         * @hide
5510         */
5511        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5512
5513        /**
5514         * The {@link ComponentName} string of the service to be used as the voice recognition
5515         * service.
5516         *
5517         * @hide
5518         */
5519        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5520
5521        /**
5522         * Stores whether an user has consented to have apps verified through PAM.
5523         * The value is boolean (1 or 0).
5524         *
5525         * @hide
5526         */
5527        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5528            "package_verifier_user_consent";
5529
5530        /**
5531         * The {@link ComponentName} string of the selected spell checker service which is
5532         * one of the services managed by the text service manager.
5533         *
5534         * @hide
5535         */
5536        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5537
5538        /**
5539         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5540         * service which is one of the services managed by the text service manager.
5541         *
5542         * @hide
5543         */
5544        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5545                "selected_spell_checker_subtype";
5546
5547        /**
5548         * The {@link ComponentName} string whether spell checker is enabled or not.
5549         *
5550         * @hide
5551         */
5552        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5553
5554        /**
5555         * What happens when the user presses the Power button while in-call
5556         * and the screen is on.<br/>
5557         * <b>Values:</b><br/>
5558         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5559         * 2 - The Power button hangs up the current call.<br/>
5560         *
5561         * @hide
5562         */
5563        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5564
5565        /**
5566         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5567         * @hide
5568         */
5569        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5570
5571        /**
5572         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5573         * @hide
5574         */
5575        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5576
5577        /**
5578         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5579         * @hide
5580         */
5581        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5582                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5583
5584        /**
5585         * Whether the device should wake when the wake gesture sensor detects motion.
5586         * @hide
5587         */
5588        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5589
5590        /**
5591         * Whether the device should doze if configured.
5592         * @hide
5593         */
5594        public static final String DOZE_ENABLED = "doze_enabled";
5595
5596        /**
5597         * The current night mode that has been selected by the user.  Owned
5598         * and controlled by UiModeManagerService.  Constants are as per
5599         * UiModeManager.
5600         * @hide
5601         */
5602        public static final String UI_NIGHT_MODE = "ui_night_mode";
5603
5604        /**
5605         * Whether screensavers are enabled.
5606         * @hide
5607         */
5608        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5609
5610        /**
5611         * The user's chosen screensaver components.
5612         *
5613         * These will be launched by the PhoneWindowManager after a timeout when not on
5614         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5615         * @hide
5616         */
5617        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5618
5619        /**
5620         * If screensavers are enabled, whether the screensaver should be automatically launched
5621         * when the device is inserted into a (desk) dock.
5622         * @hide
5623         */
5624        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5625
5626        /**
5627         * If screensavers are enabled, whether the screensaver should be automatically launched
5628         * when the screen times out when not on battery.
5629         * @hide
5630         */
5631        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5632
5633        /**
5634         * If screensavers are enabled, the default screensaver component.
5635         * @hide
5636         */
5637        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5638
5639        /**
5640         * The default NFC payment component
5641         * @hide
5642         */
5643        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5644
5645        /**
5646         * Whether NFC payment is handled by the foreground application or a default.
5647         * @hide
5648         */
5649        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5650
5651        /**
5652         * Specifies the package name currently configured to be the primary sms application
5653         * @hide
5654         */
5655        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5656
5657        /**
5658         * Specifies the package name currently configured to be the default dialer application
5659         * @hide
5660         */
5661        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5662
5663        /**
5664         * Specifies the package name currently configured to be the emergency assistance application
5665         *
5666         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5667         *
5668         * @hide
5669         */
5670        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5671
5672        /**
5673         * Specifies whether the current app context on scren (assist data) will be sent to the
5674         * assist application (active voice interaction service).
5675         *
5676         * @hide
5677         */
5678        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5679
5680        /**
5681         * Specifies whether a screenshot of the screen contents will be sent to the assist
5682         * application (active voice interaction service).
5683         *
5684         * @hide
5685         */
5686        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5687
5688        /**
5689         * Names of the service component that the current user has explicitly allowed to
5690         * see and change the importance of all of the user's notifications.
5691         *
5692         * @hide
5693         */
5694        public static final String ENABLED_NOTIFICATION_ASSISTANT
5695                = "enabled_notification_assistant";
5696
5697        /**
5698         * Names of the service components that the current user has explicitly allowed to
5699         * see all of the user's notifications, separated by ':'.
5700         *
5701         * @hide
5702         */
5703        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5704
5705        /**
5706         * Names of the packages that the current user has explicitly allowed to
5707         * manage notification policy configuration, separated by ':'.
5708         */
5709        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5710                "enabled_notification_policy_access_packages";
5711
5712        /** @hide */
5713        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5714
5715        /** @hide */
5716        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5717                = "volume_controller_service_component";
5718
5719        /** @hide */
5720        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5721
5722        /**
5723         * This is the query URI for finding a print service to install.
5724         *
5725         * @hide
5726         */
5727        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5728
5729        /**
5730         * This is the query URI for finding a NFC payment service to install.
5731         *
5732         * @hide
5733         */
5734        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5735
5736        /**
5737         * If enabled, apps should try to skip any introductory hints on first launch. This might
5738         * apply to users that are already familiar with the environment or temporary users.
5739         * <p>
5740         * Type : int (0 to show hints, 1 to skip showing hints)
5741         */
5742        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5743
5744        /**
5745         * Persisted playback time after a user confirmation of an unsafe volume level.
5746         *
5747         * @hide
5748         */
5749        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5750
5751        /**
5752         * This preference enables notification display on the lockscreen.
5753         * @hide
5754         */
5755        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5756                "lock_screen_show_notifications";
5757
5758        /**
5759         * List of TV inputs that are currently hidden. This is a string
5760         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5761         * {@link android.net.Uri#encode(String)} and separated by ':'.
5762         * @hide
5763         */
5764        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5765
5766        /**
5767         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5768         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5769         * and separated by ','. Each pair is separated by ':'.
5770         * @hide
5771         */
5772        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5773
5774        /**
5775         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5776         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5777         * and 0 means automatic routing is enabled.
5778         *
5779         * @hide
5780         */
5781        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5782                "usb_audio_automatic_routing_disabled";
5783
5784        /**
5785         * The timeout in milliseconds before the device fully goes to sleep after
5786         * a period of inactivity.  This value sets an upper bound on how long the device
5787         * will stay awake or dreaming without user activity.  It should generally
5788         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5789         * will sleep before it ever has a chance to dream.
5790         * <p>
5791         * Use -1 to disable this timeout.
5792         * </p>
5793         *
5794         * @hide
5795         */
5796        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5797
5798        /**
5799         * Controls whether double tap to wake is enabled.
5800         * @hide
5801         */
5802        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5803
5804        /**
5805         * The current assistant component. It could be a voice interaction service,
5806         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5807         * handling.
5808         *
5809         * @hide
5810         */
5811        public static final String ASSISTANT = "assistant";
5812
5813        /**
5814         * Whether the camera launch gesture should be disabled.
5815         *
5816         * @hide
5817         */
5818        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5819
5820        /**
5821         * Whether the camera launch gesture to double tap the power button when the screen is off
5822         * should be disabled.
5823         *
5824         * @hide
5825         */
5826        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5827                "camera_double_tap_power_gesture_disabled";
5828
5829        /**
5830         * Name of the package used as WebView provider (if unset the provider is instead determined
5831         * by the system).
5832         * @hide
5833         */
5834        public static final String WEBVIEW_PROVIDER = "webview_provider";
5835
5836        /**
5837         * This are the settings to be backed up.
5838         *
5839         * NOTE: Settings are backed up and restored in the order they appear
5840         *       in this array. If you have one setting depending on another,
5841         *       make sure that they are ordered appropriately.
5842         *
5843         * @hide
5844         */
5845        public static final String[] SETTINGS_TO_BACKUP = {
5846            BUGREPORT_IN_POWER_MENU,                            // moved to global
5847            ALLOW_MOCK_LOCATION,
5848            PARENTAL_CONTROL_ENABLED,
5849            PARENTAL_CONTROL_REDIRECT_URL,
5850            USB_MASS_STORAGE_ENABLED,                           // moved to global
5851            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
5852            ACCESSIBILITY_DISPLAY_DALTONIZER,
5853            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
5854            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
5855            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5856            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5857            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5858            ACCESSIBILITY_SCRIPT_INJECTION,
5859            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
5860            BACKUP_AUTO_RESTORE,
5861            ENABLED_ACCESSIBILITY_SERVICES,
5862            ENABLED_NOTIFICATION_LISTENERS,
5863            ENABLED_INPUT_METHODS,
5864            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5865            TOUCH_EXPLORATION_ENABLED,
5866            ACCESSIBILITY_ENABLED,
5867            ACCESSIBILITY_SPEAK_PASSWORD,
5868            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5869            ACCESSIBILITY_CAPTIONING_PRESET,
5870            ACCESSIBILITY_CAPTIONING_ENABLED,
5871            ACCESSIBILITY_CAPTIONING_LOCALE,
5872            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5873            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5874            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5875            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5876            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5877            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5878            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
5879            TTS_USE_DEFAULTS,
5880            TTS_DEFAULT_RATE,
5881            TTS_DEFAULT_PITCH,
5882            TTS_DEFAULT_SYNTH,
5883            TTS_DEFAULT_LANG,
5884            TTS_DEFAULT_COUNTRY,
5885            TTS_ENABLED_PLUGINS,
5886            TTS_DEFAULT_LOCALE,
5887            SHOW_IME_WITH_HARD_KEYBOARD,
5888            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5889            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5890            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5891            SELECTED_SPELL_CHECKER,
5892            SELECTED_SPELL_CHECKER_SUBTYPE,
5893            SPELL_CHECKER_ENABLED,
5894            MOUNT_PLAY_NOTIFICATION_SND,
5895            MOUNT_UMS_AUTOSTART,
5896            MOUNT_UMS_PROMPT,
5897            MOUNT_UMS_NOTIFY_ENABLED,
5898            UI_NIGHT_MODE,
5899            SLEEP_TIMEOUT,
5900            DOUBLE_TAP_TO_WAKE,
5901            WAKE_GESTURE_ENABLED,
5902            LONG_PRESS_TIMEOUT,
5903            CAMERA_GESTURE_DISABLED,
5904            ACCESSIBILITY_AUTOCLICK_ENABLED,
5905            ACCESSIBILITY_AUTOCLICK_DELAY,
5906            ACCESSIBILITY_LARGE_POINTER_ICON,
5907            PREFERRED_TTY_MODE,
5908            ENHANCED_VOICE_PRIVACY_ENABLED,
5909            TTY_MODE_ENABLED,
5910            INCALL_POWER_BUTTON_BEHAVIOR
5911        };
5912
5913        /**
5914         * These entries are considered common between the personal and the managed profile,
5915         * since the managed profile doesn't get to change them.
5916         */
5917        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5918
5919        static {
5920            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5921            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5922            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5923            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5924            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5925            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5926            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5927            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5928            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5929            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5930            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5931            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5932            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5933        }
5934
5935        /** @hide */
5936        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5937            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5938        }
5939
5940        /**
5941         * Helper method for determining if a location provider is enabled.
5942         *
5943         * @param cr the content resolver to use
5944         * @param provider the location provider to query
5945         * @return true if the provider is enabled
5946         *
5947         * @deprecated use {@link #LOCATION_MODE} or
5948         *             {@link LocationManager#isProviderEnabled(String)}
5949         */
5950        @Deprecated
5951        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5952            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5953        }
5954
5955        /**
5956         * Helper method for determining if a location provider is enabled.
5957         * @param cr the content resolver to use
5958         * @param provider the location provider to query
5959         * @param userId the userId to query
5960         * @return true if the provider is enabled
5961         * @deprecated use {@link #LOCATION_MODE} or
5962         *             {@link LocationManager#isProviderEnabled(String)}
5963         * @hide
5964         */
5965        @Deprecated
5966        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5967            String allowedProviders = Settings.Secure.getStringForUser(cr,
5968                    LOCATION_PROVIDERS_ALLOWED, userId);
5969            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5970        }
5971
5972        /**
5973         * Thread-safe method for enabling or disabling a single location provider.
5974         * @param cr the content resolver to use
5975         * @param provider the location provider to enable or disable
5976         * @param enabled true if the provider should be enabled
5977         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5978         */
5979        @Deprecated
5980        public static final void setLocationProviderEnabled(ContentResolver cr,
5981                String provider, boolean enabled) {
5982            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5983        }
5984
5985        /**
5986         * Thread-safe method for enabling or disabling a single location provider.
5987         *
5988         * @param cr the content resolver to use
5989         * @param provider the location provider to enable or disable
5990         * @param enabled true if the provider should be enabled
5991         * @param userId the userId for which to enable/disable providers
5992         * @return true if the value was set, false on database errors
5993         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5994         *             {@link #LOCATION_MODE}
5995         * @hide
5996         */
5997        @Deprecated
5998        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5999                String provider, boolean enabled, int userId) {
6000            synchronized (mLocationSettingsLock) {
6001                // to ensure thread safety, we write the provider name with a '+' or '-'
6002                // and let the SettingsProvider handle it rather than reading and modifying
6003                // the list of enabled providers.
6004                if (enabled) {
6005                    provider = "+" + provider;
6006                } else {
6007                    provider = "-" + provider;
6008                }
6009                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6010                        userId);
6011            }
6012        }
6013
6014        /**
6015         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6016         */
6017        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6018            final int mode = getLocationModeForUser(cr, userId);
6019            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6020        }
6021
6022        /**
6023         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6024         */
6025        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6026            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6027                    LOCATION_MODE_HIGH_ACCURACY, userId);
6028            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6029            // turn on location any longer.
6030            if (mode == LOCATION_MODE_OFF) {
6031                mode = LOCATION_MODE_HIGH_ACCURACY;
6032            }
6033            return setLocationModeForUser(cr, mode, userId);
6034        }
6035
6036        /**
6037         * Thread-safe method for setting the location mode to one of
6038         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6039         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6040         *
6041         * @param cr the content resolver to use
6042         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6043         * @param userId the userId for which to change mode
6044         * @return true if the value was set, false on database errors
6045         *
6046         * @throws IllegalArgumentException if mode is not one of the supported values
6047         */
6048        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6049                int userId) {
6050            synchronized (mLocationSettingsLock) {
6051                boolean gps = false;
6052                boolean network = false;
6053                switch (mode) {
6054                    case LOCATION_MODE_PREVIOUS:
6055                        // Retrieve the actual mode and set to that mode.
6056                        return restoreLocationModeForUser(cr, userId);
6057                    case LOCATION_MODE_OFF:
6058                        saveLocationModeForUser(cr, userId);
6059                        break;
6060                    case LOCATION_MODE_SENSORS_ONLY:
6061                        gps = true;
6062                        break;
6063                    case LOCATION_MODE_BATTERY_SAVING:
6064                        network = true;
6065                        break;
6066                    case LOCATION_MODE_HIGH_ACCURACY:
6067                        gps = true;
6068                        network = true;
6069                        break;
6070                    default:
6071                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6072                }
6073                // Note it's important that we set the NLP mode first. The Google implementation
6074                // of NLP clears its NLP consent setting any time it receives a
6075                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6076                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6077                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6078                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6079                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6080                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6081                // dialog. Then the people who wrote the setup wizard would be sad.
6082                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6083                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6084                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6085                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6086                return gpsSuccess && nlpSuccess;
6087            }
6088        }
6089
6090        /**
6091         * Thread-safe method for reading the location mode, returns one of
6092         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6093         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6094         *
6095         * @param cr the content resolver to use
6096         * @param userId the userId for which to read the mode
6097         * @return the location mode
6098         */
6099        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6100            synchronized (mLocationSettingsLock) {
6101                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6102                        cr, LocationManager.GPS_PROVIDER, userId);
6103                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6104                        cr, LocationManager.NETWORK_PROVIDER, userId);
6105                if (gpsEnabled && networkEnabled) {
6106                    return LOCATION_MODE_HIGH_ACCURACY;
6107                } else if (gpsEnabled) {
6108                    return LOCATION_MODE_SENSORS_ONLY;
6109                } else if (networkEnabled) {
6110                    return LOCATION_MODE_BATTERY_SAVING;
6111                } else {
6112                    return LOCATION_MODE_OFF;
6113                }
6114            }
6115        }
6116    }
6117
6118    /**
6119     * Global system settings, containing preferences that always apply identically
6120     * to all defined users.  Applications can read these but are not allowed to write;
6121     * like the "Secure" settings, these are for preferences that the user must
6122     * explicitly modify through the system UI or specialized APIs for those values.
6123     */
6124    public static final class Global extends NameValueTable {
6125        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6126
6127        /**
6128         * The content:// style URL for global secure settings items.  Not public.
6129         */
6130        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6131
6132        /**
6133         * Whether users are allowed to add more users or guest from lockscreen.
6134         * <p>
6135         * Type: int
6136         * @hide
6137         */
6138        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6139
6140        /**
6141         * Setting whether the global gesture for enabling accessibility is enabled.
6142         * If this gesture is enabled the user will be able to perfrom it to enable
6143         * the accessibility state without visiting the settings app.
6144         * @hide
6145         */
6146        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6147                "enable_accessibility_global_gesture_enabled";
6148
6149        /**
6150         * Whether Airplane Mode is on.
6151         */
6152        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6153
6154        /**
6155         * Whether Theater Mode is on.
6156         * {@hide}
6157         */
6158        @SystemApi
6159        public static final String THEATER_MODE_ON = "theater_mode_on";
6160
6161        /**
6162         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6163         */
6164        public static final String RADIO_BLUETOOTH = "bluetooth";
6165
6166        /**
6167         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6168         */
6169        public static final String RADIO_WIFI = "wifi";
6170
6171        /**
6172         * {@hide}
6173         */
6174        public static final String RADIO_WIMAX = "wimax";
6175        /**
6176         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6177         */
6178        public static final String RADIO_CELL = "cell";
6179
6180        /**
6181         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6182         */
6183        public static final String RADIO_NFC = "nfc";
6184
6185        /**
6186         * A comma separated list of radios that need to be disabled when airplane mode
6187         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6188         * included in the comma separated list.
6189         */
6190        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6191
6192        /**
6193         * A comma separated list of radios that should to be disabled when airplane mode
6194         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6195         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6196         * will be turned off when entering airplane mode, but the user will be able to reenable
6197         * Wifi in the Settings app.
6198         *
6199         * {@hide}
6200         */
6201        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6202
6203        /**
6204         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6205         * See {@link android.bluetooth.BluetoothProfile}.
6206         * {@hide}
6207         */
6208        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6209
6210        /**
6211         * The policy for deciding when Wi-Fi should go to sleep (which will in
6212         * turn switch to using the mobile data as an Internet connection).
6213         * <p>
6214         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6215         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6216         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6217         */
6218        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6219
6220        /**
6221         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6222         * policy, which is to sleep shortly after the turning off
6223         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6224         */
6225        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6226
6227        /**
6228         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6229         * the device is on battery, and never go to sleep when the device is
6230         * plugged in.
6231         */
6232        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6233
6234        /**
6235         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6236         */
6237        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6238
6239        /**
6240         * Value to specify if the user prefers the date, time and time zone
6241         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6242         */
6243        public static final String AUTO_TIME = "auto_time";
6244
6245        /**
6246         * Value to specify if the user prefers the time zone
6247         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6248         */
6249        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6250
6251        /**
6252         * URI for the car dock "in" event sound.
6253         * @hide
6254         */
6255        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6256
6257        /**
6258         * URI for the car dock "out" event sound.
6259         * @hide
6260         */
6261        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6262
6263        /**
6264         * URI for the desk dock "in" event sound.
6265         * @hide
6266         */
6267        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6268
6269        /**
6270         * URI for the desk dock "out" event sound.
6271         * @hide
6272         */
6273        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6274
6275        /**
6276         * Whether to play a sound for dock events.
6277         * @hide
6278         */
6279        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6280
6281        /**
6282         * URI for the "device locked" (keyguard shown) sound.
6283         * @hide
6284         */
6285        public static final String LOCK_SOUND = "lock_sound";
6286
6287        /**
6288         * URI for the "device unlocked" sound.
6289         * @hide
6290         */
6291        public static final String UNLOCK_SOUND = "unlock_sound";
6292
6293        /**
6294         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6295         * state without unlocking.
6296         * @hide
6297         */
6298        public static final String TRUSTED_SOUND = "trusted_sound";
6299
6300        /**
6301         * URI for the low battery sound file.
6302         * @hide
6303         */
6304        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6305
6306        /**
6307         * Whether to play a sound for low-battery alerts.
6308         * @hide
6309         */
6310        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6311
6312        /**
6313         * URI for the "wireless charging started" sound.
6314         * @hide
6315         */
6316        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6317                "wireless_charging_started_sound";
6318
6319        /**
6320         * Whether to play a sound for charging events.
6321         * @hide
6322         */
6323        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6324
6325        /**
6326         * Whether we keep the device on while the device is plugged in.
6327         * Supported values are:
6328         * <ul>
6329         * <li>{@code 0} to never stay on while plugged in</li>
6330         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6331         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6332         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6333         * </ul>
6334         * These values can be OR-ed together.
6335         */
6336        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6337
6338        /**
6339         * When the user has enable the option to have a "bug report" command
6340         * in the power menu.
6341         * @hide
6342         */
6343        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6344
6345        /**
6346         * Whether ADB is enabled.
6347         */
6348        public static final String ADB_ENABLED = "adb_enabled";
6349
6350        /**
6351         * Whether Views are allowed to save their attribute data.
6352         * @hide
6353         */
6354        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6355
6356        /**
6357         * Whether assisted GPS should be enabled or not.
6358         * @hide
6359         */
6360        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6361
6362        /**
6363         * Whether bluetooth is enabled/disabled
6364         * 0=disabled. 1=enabled.
6365         */
6366        public static final String BLUETOOTH_ON = "bluetooth_on";
6367
6368        /**
6369         * CDMA Cell Broadcast SMS
6370         *                            0 = CDMA Cell Broadcast SMS disabled
6371         *                            1 = CDMA Cell Broadcast SMS enabled
6372         * @hide
6373         */
6374        public static final String CDMA_CELL_BROADCAST_SMS =
6375                "cdma_cell_broadcast_sms";
6376
6377        /**
6378         * The CDMA roaming mode 0 = Home Networks, CDMA default
6379         *                       1 = Roaming on Affiliated networks
6380         *                       2 = Roaming on any networks
6381         * @hide
6382         */
6383        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6384
6385        /**
6386         * The CDMA subscription mode 0 = RUIM/SIM (default)
6387         *                                1 = NV
6388         * @hide
6389         */
6390        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6391
6392        /** Inactivity timeout to track mobile data activity.
6393        *
6394        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6395        * infer the data activity of mobile network. After a period of no activity on mobile
6396        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6397        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6398        * subsequent activity on mobile networks triggers the firing of {@code
6399        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6400        *
6401        * Network activity refers to transmitting or receiving data on the network interfaces.
6402        *
6403        * Tracking is disabled if set to zero or negative value.
6404        *
6405        * @hide
6406        */
6407       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6408
6409       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6410        * but for Wifi network.
6411        * @hide
6412        */
6413       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6414
6415       /**
6416        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6417        */
6418       public static final String DATA_ROAMING = "data_roaming";
6419
6420       /**
6421        * The value passed to a Mobile DataConnection via bringUp which defines the
6422        * number of retries to preform when setting up the initial connection. The default
6423        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6424        * @hide
6425        */
6426       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6427
6428       /**
6429        * Whether any package can be on external storage. When this is true, any
6430        * package, regardless of manifest values, is a candidate for installing
6431        * or moving onto external storage. (0 = false, 1 = true)
6432        * @hide
6433        */
6434       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6435
6436        /**
6437         * Whether any activity can be resized. When this is true, any
6438         * activity, regardless of manifest values, can be resized for multi-window.
6439         * (0 = false, 1 = true)
6440         * @hide
6441         */
6442        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6443                = "force_resizable_activities";
6444
6445        /**
6446         * Whether to enable experimental freeform support for windows.
6447         * @hide
6448         */
6449        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6450                = "enable_freeform_support";
6451
6452       /**
6453        * Whether user has enabled development settings.
6454        */
6455       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6456
6457       /**
6458        * Whether the device has been provisioned (0 = false, 1 = true).
6459        * <p>On a multiuser device with a separate system user, the screen may be locked
6460        * as soon as this is set to true and further activities cannot be launched on the
6461        * system user unless they are marked to show over keyguard.
6462        */
6463       public static final String DEVICE_PROVISIONED = "device_provisioned";
6464
6465       /**
6466        * The saved value for WindowManagerService.setForcedDisplayDensity().
6467        * One integer in dpi.  If unset, then use the real display density.
6468        * @hide
6469        */
6470       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6471
6472       /**
6473        * The saved value for WindowManagerService.setForcedDisplaySize().
6474        * Two integers separated by a comma.  If unset, then use the real display size.
6475        * @hide
6476        */
6477       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6478
6479       /**
6480        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6481        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6482        * @hide
6483        */
6484       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6485
6486       /**
6487        * The maximum size, in bytes, of a download that the download manager will transfer over
6488        * a non-wifi connection.
6489        * @hide
6490        */
6491       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6492               "download_manager_max_bytes_over_mobile";
6493
6494       /**
6495        * The recommended maximum size, in bytes, of a download that the download manager should
6496        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6497        * have the option to start the download over the mobile connection anyway.
6498        * @hide
6499        */
6500       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6501               "download_manager_recommended_max_bytes_over_mobile";
6502
6503       /**
6504        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6505        */
6506       @Deprecated
6507       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6508
6509       /**
6510        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6511        * sent or processed. (0 = false, 1 = true)
6512        * @hide
6513        */
6514       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6515
6516       /**
6517        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6518        * and the output is redirected to AV Receiver connected via
6519        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6520        * @hide
6521        */
6522       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6523
6524       /**
6525        * Whether TV will automatically turn on upon reception of the CEC command
6526        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6527        * @hide
6528        */
6529       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6530               "hdmi_control_auto_wakeup_enabled";
6531
6532       /**
6533        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6534        * (0 = false, 1 = true)
6535        * @hide
6536        */
6537       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6538               "hdmi_control_auto_device_off_enabled";
6539
6540       /**
6541        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6542        * client.
6543        * (0 = false, 1 = true)
6544        * @hide
6545        */
6546       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6547
6548       /**
6549        * Whether TV will switch to MHL port when a mobile device is plugged in.
6550        * (0 = false, 1 = true)
6551        * @hide
6552        */
6553       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6554
6555       /**
6556        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6557        * @hide
6558        */
6559       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6560
6561       /**
6562        * Whether mobile data connections are allowed by the user.  See
6563        * ConnectivityManager for more info.
6564        * @hide
6565        */
6566       public static final String MOBILE_DATA = "mobile_data";
6567
6568       /**
6569        * Whether the mobile data connection should remain active even when higher
6570        * priority networks like WiFi are active, to help make network switching faster.
6571        *
6572        * See ConnectivityService for more info.
6573        *
6574        * (0 = disabled, 1 = enabled)
6575        * @hide
6576        */
6577       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6578
6579       /** {@hide} */
6580       public static final String NETSTATS_ENABLED = "netstats_enabled";
6581       /** {@hide} */
6582       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6583       /** {@hide} */
6584       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6585       /** {@hide} */
6586       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6587       /** {@hide} */
6588       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6589
6590       /** {@hide} */
6591       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6592       /** {@hide} */
6593       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6594       /** {@hide} */
6595       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6596       /** {@hide} */
6597       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6598
6599       /** {@hide} */
6600       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6601       /** {@hide} */
6602       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6603       /** {@hide} */
6604       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6605       /** {@hide} */
6606       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6607
6608       /** {@hide} */
6609       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6610       /** {@hide} */
6611       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6612       /** {@hide} */
6613       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6614       /** {@hide} */
6615       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6616
6617       /**
6618        * User preference for which network(s) should be used. Only the
6619        * connectivity service should touch this.
6620        */
6621       public static final String NETWORK_PREFERENCE = "network_preference";
6622
6623       /**
6624        * Which package name to use for network scoring. If null, or if the package is not a valid
6625        * scorer app, external network scores will neither be requested nor accepted.
6626        * @hide
6627        */
6628       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6629
6630       /**
6631        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6632        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6633        * exceeded.
6634        * @hide
6635        */
6636       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6637
6638       /**
6639        * The length of time in milli-seconds that automatic small adjustments to
6640        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6641        * @hide
6642        */
6643       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6644
6645       /** Preferred NTP server. {@hide} */
6646       public static final String NTP_SERVER = "ntp_server";
6647       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6648       public static final String NTP_TIMEOUT = "ntp_timeout";
6649
6650       /** {@hide} */
6651       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6652
6653       /**
6654        * Whether the package manager should send package verification broadcasts for verifiers to
6655        * review apps prior to installation.
6656        * 1 = request apps to be verified prior to installation, if a verifier exists.
6657        * 0 = do not verify apps before installation
6658        * @hide
6659        */
6660       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6661
6662       /** Timeout for package verification.
6663        * @hide */
6664       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6665
6666       /** Default response code for package verification.
6667        * @hide */
6668       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6669
6670       /**
6671        * Show package verification setting in the Settings app.
6672        * 1 = show (default)
6673        * 0 = hide
6674        * @hide
6675        */
6676       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6677
6678       /**
6679        * Run package verification on apps installed through ADB/ADT/USB
6680        * 1 = perform package verification on ADB installs (default)
6681        * 0 = bypass package verification on ADB installs
6682        * @hide
6683        */
6684       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6685
6686       /**
6687        * Time since last fstrim (milliseconds) after which we force one to happen
6688        * during device startup.  If unset, the default is 3 days.
6689        * @hide
6690        */
6691       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6692
6693       /**
6694        * The interval in milliseconds at which to check packet counts on the
6695        * mobile data interface when screen is on, to detect possible data
6696        * connection problems.
6697        * @hide
6698        */
6699       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6700               "pdp_watchdog_poll_interval_ms";
6701
6702       /**
6703        * The interval in milliseconds at which to check packet counts on the
6704        * mobile data interface when screen is off, to detect possible data
6705        * connection problems.
6706        * @hide
6707        */
6708       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6709               "pdp_watchdog_long_poll_interval_ms";
6710
6711       /**
6712        * The interval in milliseconds at which to check packet counts on the
6713        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6714        * outgoing packets has been reached without incoming packets.
6715        * @hide
6716        */
6717       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6718               "pdp_watchdog_error_poll_interval_ms";
6719
6720       /**
6721        * The number of outgoing packets sent without seeing an incoming packet
6722        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6723        * device is logged to the event log
6724        * @hide
6725        */
6726       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6727               "pdp_watchdog_trigger_packet_count";
6728
6729       /**
6730        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6731        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6732        * attempting data connection recovery.
6733        * @hide
6734        */
6735       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6736               "pdp_watchdog_error_poll_count";
6737
6738       /**
6739        * The number of failed PDP reset attempts before moving to something more
6740        * drastic: re-registering to the network.
6741        * @hide
6742        */
6743       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6744               "pdp_watchdog_max_pdp_reset_fail_count";
6745
6746       /**
6747        * A positive value indicates how often the SamplingProfiler
6748        * should take snapshots. Zero value means SamplingProfiler
6749        * is disabled.
6750        *
6751        * @hide
6752        */
6753       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6754
6755       /**
6756        * URL to open browser on to allow user to manage a prepay account
6757        * @hide
6758        */
6759       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6760               "setup_prepaid_data_service_url";
6761
6762       /**
6763        * URL to attempt a GET on to see if this is a prepay device
6764        * @hide
6765        */
6766       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6767               "setup_prepaid_detection_target_url";
6768
6769       /**
6770        * Host to check for a redirect to after an attempt to GET
6771        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6772        * this is a prepaid device with zero balance.)
6773        * @hide
6774        */
6775       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6776               "setup_prepaid_detection_redir_host";
6777
6778       /**
6779        * The interval in milliseconds at which to check the number of SMS sent out without asking
6780        * for use permit, to limit the un-authorized SMS usage.
6781        *
6782        * @hide
6783        */
6784       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6785               "sms_outgoing_check_interval_ms";
6786
6787       /**
6788        * The number of outgoing SMS sent without asking for user permit (of {@link
6789        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6790        *
6791        * @hide
6792        */
6793       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6794               "sms_outgoing_check_max_count";
6795
6796       /**
6797        * Used to disable SMS short code confirmation - defaults to true.
6798        * True indcates we will do the check, etc.  Set to false to disable.
6799        * @see com.android.internal.telephony.SmsUsageMonitor
6800        * @hide
6801        */
6802       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6803
6804        /**
6805         * Used to select which country we use to determine premium sms codes.
6806         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6807         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6808         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6809         * @hide
6810         */
6811        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6812
6813       /**
6814        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6815        * @hide
6816        */
6817       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6818
6819       /**
6820        * Used to disable Tethering on a device - defaults to true
6821        * @hide
6822        */
6823       public static final String TETHER_SUPPORTED = "tether_supported";
6824
6825       /**
6826        * Used to require DUN APN on the device or not - defaults to a build config value
6827        * which defaults to false
6828        * @hide
6829        */
6830       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6831
6832       /**
6833        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6834        * corresponding build config values are set it will override the APN DB
6835        * values.
6836        * Consists of a comma seperated list of strings:
6837        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6838        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6839        * @hide
6840        */
6841       public static final String TETHER_DUN_APN = "tether_dun_apn";
6842
6843       /**
6844        * USB Mass Storage Enabled
6845        */
6846       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6847
6848       /**
6849        * If this setting is set (to anything), then all references
6850        * to Gmail on the device must change to Google Mail.
6851        */
6852       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6853
6854        /**
6855         * Webview Data reduction proxy key.
6856         * @hide
6857         */
6858        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6859                "webview_data_reduction_proxy_key";
6860
6861       /**
6862        * Whether Wifi display is enabled/disabled
6863        * 0=disabled. 1=enabled.
6864        * @hide
6865        */
6866       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6867
6868       /**
6869        * Whether Wifi display certification mode is enabled/disabled
6870        * 0=disabled. 1=enabled.
6871        * @hide
6872        */
6873       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6874               "wifi_display_certification_on";
6875
6876       /**
6877        * WPS Configuration method used by Wifi display, this setting only
6878        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6879        *
6880        * Possible values are:
6881        *
6882        * WpsInfo.INVALID: use default WPS method chosen by framework
6883        * WpsInfo.PBC    : use Push button
6884        * WpsInfo.KEYPAD : use Keypad
6885        * WpsInfo.DISPLAY: use Display
6886        * @hide
6887        */
6888       public static final String WIFI_DISPLAY_WPS_CONFIG =
6889           "wifi_display_wps_config";
6890
6891       /**
6892        * Whether to notify the user of open networks.
6893        * <p>
6894        * If not connected and the scan results have an open network, we will
6895        * put this notification up. If we attempt to connect to a network or
6896        * the open network(s) disappear, we remove the notification. When we
6897        * show the notification, we will not show it again for
6898        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6899        */
6900       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6901               "wifi_networks_available_notification_on";
6902       /**
6903        * {@hide}
6904        */
6905       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6906               "wimax_networks_available_notification_on";
6907
6908       /**
6909        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6910        * Connecting to a network will reset the timer.
6911        */
6912       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6913               "wifi_networks_available_repeat_delay";
6914
6915       /**
6916        * 802.11 country code in ISO 3166 format
6917        * @hide
6918        */
6919       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6920
6921       /**
6922        * The interval in milliseconds to issue wake up scans when wifi needs
6923        * to connect. This is necessary to connect to an access point when
6924        * device is on the move and the screen is off.
6925        * @hide
6926        */
6927       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6928               "wifi_framework_scan_interval_ms";
6929
6930       /**
6931        * The interval in milliseconds after which Wi-Fi is considered idle.
6932        * When idle, it is possible for the device to be switched from Wi-Fi to
6933        * the mobile data network.
6934        * @hide
6935        */
6936       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6937
6938       /**
6939        * When the number of open networks exceeds this number, the
6940        * least-recently-used excess networks will be removed.
6941        */
6942       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6943
6944       /**
6945        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6946        */
6947       public static final String WIFI_ON = "wifi_on";
6948
6949       /**
6950        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6951        * @hide
6952        */
6953       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6954                "wifi_scan_always_enabled";
6955
6956       /**
6957        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6958        * connectivity.
6959        * @hide
6960        */
6961       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6962               "ble_scan_always_enabled";
6963
6964       /**
6965        * Used to save the Wifi_ON state prior to tethering.
6966        * This state will be checked to restore Wifi after
6967        * the user turns off tethering.
6968        *
6969        * @hide
6970        */
6971       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6972
6973       /**
6974        * The interval in milliseconds to scan as used by the wifi supplicant
6975        * @hide
6976        */
6977       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6978               "wifi_supplicant_scan_interval_ms";
6979
6980        /**
6981         * whether frameworks handles wifi auto-join
6982         * @hide
6983         */
6984       public static final String WIFI_ENHANCED_AUTO_JOIN =
6985                "wifi_enhanced_auto_join";
6986
6987        /**
6988         * whether settings show RSSI
6989         * @hide
6990         */
6991        public static final String WIFI_NETWORK_SHOW_RSSI =
6992                "wifi_network_show_rssi";
6993
6994        /**
6995        * The interval in milliseconds to scan at supplicant when p2p is connected
6996        * @hide
6997        */
6998       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6999               "wifi_scan_interval_p2p_connected_ms";
7000
7001       /**
7002        * Whether the Wi-Fi watchdog is enabled.
7003        */
7004       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7005
7006       /**
7007        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7008        * the setting needs to be set to 0 to disable it.
7009        * @hide
7010        */
7011       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7012               "wifi_watchdog_poor_network_test_enabled";
7013
7014       /**
7015        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7016        * needs to be set to 0 to disable it.
7017        * @hide
7018        */
7019       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7020               "wifi_suspend_optimizations_enabled";
7021
7022       /**
7023        * The maximum number of times we will retry a connection to an access
7024        * point for which we have failed in acquiring an IP address from DHCP.
7025        * A value of N means that we will make N+1 connection attempts in all.
7026        */
7027       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7028
7029       /**
7030        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7031        * data connectivity to be established after a disconnect from Wi-Fi.
7032        */
7033       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7034           "wifi_mobile_data_transition_wakelock_timeout_ms";
7035
7036       /**
7037        * This setting controls whether WiFi configurations created by a Device Owner app
7038        * should be locked down (that is, be editable or removable only by the Device Owner App,
7039        * not even by Settings app).
7040        * This setting takes integer values. Non-zero values mean DO created configurations
7041        * are locked down. Value of zero means they are not. Default value in the absence of
7042        * actual value to this setting is 0.
7043        */
7044       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7045               "wifi_device_owner_configs_lockdown";
7046
7047       /**
7048        * The operational wifi frequency band
7049        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7050        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7051        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7052        *
7053        * @hide
7054        */
7055       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7056
7057       /**
7058        * The Wi-Fi peer-to-peer device name
7059        * @hide
7060        */
7061       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7062
7063       /**
7064        * The min time between wifi disable and wifi enable
7065        * @hide
7066        */
7067       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7068
7069       /**
7070        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7071        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7072        * has been seen in this time period.
7073        *
7074        * If this is less than or equal to zero, we use a more conservative behavior and only check
7075        * for a non-null score from the currently connected or target BSSID.
7076        * @hide
7077        */
7078       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7079               "wifi_ephemeral_out_of_range_timeout_ms";
7080
7081       /**
7082        * The number of milliseconds to delay when checking for data stalls during
7083        * non-aggressive detection. (screen is turned off.)
7084        * @hide
7085        */
7086       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7087               "data_stall_alarm_non_aggressive_delay_in_ms";
7088
7089       /**
7090        * The number of milliseconds to delay when checking for data stalls during
7091        * aggressive detection. (screen on or suspected data stall)
7092        * @hide
7093        */
7094       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7095               "data_stall_alarm_aggressive_delay_in_ms";
7096
7097       /**
7098        * The number of milliseconds to allow the provisioning apn to remain active
7099        * @hide
7100        */
7101       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7102               "provisioning_apn_alarm_delay_in_ms";
7103
7104       /**
7105        * The interval in milliseconds at which to check gprs registration
7106        * after the first registration mismatch of gprs and voice service,
7107        * to detect possible data network registration problems.
7108        *
7109        * @hide
7110        */
7111       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7112               "gprs_register_check_period_ms";
7113
7114       /**
7115        * Nonzero causes Log.wtf() to crash.
7116        * @hide
7117        */
7118       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7119
7120       /**
7121        * Ringer mode. This is used internally, changing this value will not
7122        * change the ringer mode. See AudioManager.
7123        */
7124       public static final String MODE_RINGER = "mode_ringer";
7125
7126       /**
7127        * Overlay display devices setting.
7128        * The associated value is a specially formatted string that describes the
7129        * size and density of simulated secondary display devices.
7130        * <p>
7131        * Format: {width}x{height}/{dpi};...
7132        * </p><p>
7133        * Example:
7134        * <ul>
7135        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7136        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7137        * at 1080p and the second at 720p.</li>
7138        * <li>If the value is empty, then no overlay display devices are created.</li>
7139        * </ul></p>
7140        *
7141        * @hide
7142        */
7143       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7144
7145        /**
7146         * Threshold values for the duration and level of a discharge cycle,
7147         * under which we log discharge cycle info.
7148         *
7149         * @hide
7150         */
7151        public static final String
7152                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7153
7154        /** @hide */
7155        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7156
7157        /**
7158         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7159         * intents on application crashes and ANRs. If this is disabled, the
7160         * crash/ANR dialog will never display the "Report" button.
7161         * <p>
7162         * Type: int (0 = disallow, 1 = allow)
7163         *
7164         * @hide
7165         */
7166        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7167
7168        /**
7169         * Maximum age of entries kept by {@link DropBoxManager}.
7170         *
7171         * @hide
7172         */
7173        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7174
7175        /**
7176         * Maximum number of entry files which {@link DropBoxManager} will keep
7177         * around.
7178         *
7179         * @hide
7180         */
7181        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7182
7183        /**
7184         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7185         * what.
7186         *
7187         * @hide
7188         */
7189        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7190
7191        /**
7192         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7193         * will use.
7194         *
7195         * @hide
7196         */
7197        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7198
7199        /**
7200         * Percent of total disk which {@link DropBoxManager} will never dip
7201         * into.
7202         *
7203         * @hide
7204         */
7205        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7206
7207        /**
7208         * Prefix for per-tag dropbox disable/enable settings.
7209         *
7210         * @hide
7211         */
7212        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7213
7214        /**
7215         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7216         * prefix of the dropbox tag of the report type. For example,
7217         * "logcat_for_system_server_anr" controls the lines of logcat captured
7218         * with system server ANR reports. 0 to disable.
7219         *
7220         * @hide
7221         */
7222        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7223
7224        /**
7225         * The interval in minutes after which the amount of free storage left
7226         * on the device is logged to the event log
7227         *
7228         * @hide
7229         */
7230        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7231
7232        /**
7233         * Threshold for the amount of change in disk free space required to
7234         * report the amount of free space. Used to prevent spamming the logs
7235         * when the disk free space isn't changing frequently.
7236         *
7237         * @hide
7238         */
7239        public static final String
7240                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7241
7242        /**
7243         * Minimum percentage of free storage on the device that is used to
7244         * determine if the device is running low on storage. The default is 10.
7245         * <p>
7246         * Say this value is set to 10, the device is considered running low on
7247         * storage if 90% or more of the device storage is filled up.
7248         *
7249         * @hide
7250         */
7251        public static final String
7252                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7253
7254        /**
7255         * Maximum byte size of the low storage threshold. This is to ensure
7256         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7257         * overly large threshold for large storage devices. Currently this must
7258         * be less than 2GB. This default is 500MB.
7259         *
7260         * @hide
7261         */
7262        public static final String
7263                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7264
7265        /**
7266         * Minimum bytes of free storage on the device before the data partition
7267         * is considered full. By default, 1 MB is reserved to avoid system-wide
7268         * SQLite disk full exceptions.
7269         *
7270         * @hide
7271         */
7272        public static final String
7273                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7274
7275        /**
7276         * The maximum reconnect delay for short network outages or when the
7277         * network is suspended due to phone use.
7278         *
7279         * @hide
7280         */
7281        public static final String
7282                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7283
7284        /**
7285         * The number of milliseconds to delay before sending out
7286         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7287         *
7288         * @hide
7289         */
7290        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7291
7292
7293        /**
7294         * Network sampling interval, in seconds. We'll generate link information
7295         * about bytes/packets sent and error rates based on data sampled in this interval
7296         *
7297         * @hide
7298         */
7299
7300        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7301                "connectivity_sampling_interval_in_seconds";
7302
7303        /**
7304         * The series of successively longer delays used in retrying to download PAC file.
7305         * Last delay is used between successful PAC downloads.
7306         *
7307         * @hide
7308         */
7309        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7310
7311        /**
7312         * Setting to turn off captive portal detection. Feature is enabled by
7313         * default and the setting needs to be set to 0 to disable it.
7314         *
7315         * @hide
7316         */
7317        public static final String
7318                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7319
7320        /**
7321         * The server used for captive portal detection upon a new conection. A
7322         * 204 response code from the server is used for validation.
7323         *
7324         * @hide
7325         */
7326        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7327
7328        /**
7329         * Whether network service discovery is enabled.
7330         *
7331         * @hide
7332         */
7333        public static final String NSD_ON = "nsd_on";
7334
7335        /**
7336         * Let user pick default install location.
7337         *
7338         * @hide
7339         */
7340        public static final String SET_INSTALL_LOCATION = "set_install_location";
7341
7342        /**
7343         * Default install location value.
7344         * 0 = auto, let system decide
7345         * 1 = internal
7346         * 2 = sdcard
7347         * @hide
7348         */
7349        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7350
7351        /**
7352         * ms during which to consume extra events related to Inet connection
7353         * condition after a transtion to fully-connected
7354         *
7355         * @hide
7356         */
7357        public static final String
7358                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7359
7360        /**
7361         * ms during which to consume extra events related to Inet connection
7362         * condtion after a transtion to partly-connected
7363         *
7364         * @hide
7365         */
7366        public static final String
7367                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7368
7369        /** {@hide} */
7370        public static final String
7371                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7372
7373        /**
7374         * Host name and port for global http proxy. Uses ':' seperator for
7375         * between host and port.
7376         */
7377        public static final String HTTP_PROXY = "http_proxy";
7378
7379        /**
7380         * Host name for global http proxy. Set via ConnectivityManager.
7381         *
7382         * @hide
7383         */
7384        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7385
7386        /**
7387         * Integer host port for global http proxy. Set via ConnectivityManager.
7388         *
7389         * @hide
7390         */
7391        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7392
7393        /**
7394         * Exclusion list for global proxy. This string contains a list of
7395         * comma-separated domains where the global proxy does not apply.
7396         * Domains should be listed in a comma- separated list. Example of
7397         * acceptable formats: ".domain1.com,my.domain2.com" Use
7398         * ConnectivityManager to set/get.
7399         *
7400         * @hide
7401         */
7402        public static final String
7403                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7404
7405        /**
7406         * The location PAC File for the proxy.
7407         * @hide
7408         */
7409        public static final String
7410                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7411
7412        /**
7413         * Enables the UI setting to allow the user to specify the global HTTP
7414         * proxy and associated exclusion list.
7415         *
7416         * @hide
7417         */
7418        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7419
7420        /**
7421         * Setting for default DNS in case nobody suggests one
7422         *
7423         * @hide
7424         */
7425        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7426
7427        /** {@hide} */
7428        public static final String
7429                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7430        /** {@hide} */
7431        public static final String
7432                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7433        /** {@hide} */
7434        public static final String
7435                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7436        /** {@hide} */
7437        public static final String
7438                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7439        /** {@hide} */
7440        public static final String
7441                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7442
7443        /**
7444         * Device Idle (Doze) specific settings.
7445         * This is encoded as a key=value list, separated by commas. Ex:
7446         *
7447         * "inactive_timeout=60000,sensing_timeout=400000"
7448         *
7449         * The following keys are supported:
7450         *
7451         * <pre>
7452         * inactive_to                      (long)
7453         * sensing_to                       (long)
7454         * motion_inactive_to               (long)
7455         * idle_after_inactive_to           (long)
7456         * idle_pending_to                  (long)
7457         * max_idle_pending_to              (long)
7458         * idle_pending_factor              (float)
7459         * idle_to                          (long)
7460         * max_idle_to                      (long)
7461         * idle_factor                      (float)
7462         * min_time_to_alarm                (long)
7463         * max_temp_app_whitelist_duration  (long)
7464         * </pre>
7465         *
7466         * <p>
7467         * Type: string
7468         * @hide
7469         * @see com.android.server.DeviceIdleController.Constants
7470         */
7471        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7472
7473        /**
7474         * App standby (app idle) specific settings.
7475         * This is encoded as a key=value list, separated by commas. Ex:
7476         *
7477         * "idle_duration=5000,parole_interval=4500"
7478         *
7479         * The following keys are supported:
7480         *
7481         * <pre>
7482         * idle_duration        (long)
7483         * wallclock_threshold  (long)
7484         * parole_interval      (long)
7485         * parole_duration      (long)
7486         * </pre>
7487         *
7488         * <p>
7489         * Type: string
7490         * @hide
7491         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7492         */
7493        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7494
7495        /**
7496         * Alarm manager specific settings.
7497         * This is encoded as a key=value list, separated by commas. Ex:
7498         *
7499         * "min_futurity=5000,allow_while_idle_short_time=4500"
7500         *
7501         * The following keys are supported:
7502         *
7503         * <pre>
7504         * min_futurity                         (long)
7505         * min_interval                         (long)
7506         * allow_while_idle_short_time          (long)
7507         * allow_while_idle_long_time           (long)
7508         * allow_while_idle_whitelist_duration  (long)
7509         * </pre>
7510         *
7511         * <p>
7512         * Type: string
7513         * @hide
7514         * @see com.android.server.AlarmManagerService.Constants
7515         */
7516        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7517
7518        /**
7519         * Get the key that retrieves a bluetooth headset's priority.
7520         * @hide
7521         */
7522        public static final String getBluetoothHeadsetPriorityKey(String address) {
7523            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7524        }
7525
7526        /**
7527         * Get the key that retrieves a bluetooth a2dp sink's priority.
7528         * @hide
7529         */
7530        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7531            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7532        }
7533
7534        /**
7535         * Get the key that retrieves a bluetooth Input Device's priority.
7536         * @hide
7537         */
7538        public static final String getBluetoothInputDevicePriorityKey(String address) {
7539            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7540        }
7541
7542        /**
7543         * Get the key that retrieves a bluetooth map priority.
7544         * @hide
7545         */
7546        public static final String getBluetoothMapPriorityKey(String address) {
7547            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7548        }
7549
7550        /**
7551         * Get the key that retrieves a bluetooth map priority.
7552         * @hide
7553         */
7554        public static final String getBluetoothSapPriorityKey(String address) {
7555            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7556        }
7557
7558        /**
7559         * Scaling factor for normal window animations. Setting to 0 will
7560         * disable window animations.
7561         */
7562        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7563
7564        /**
7565         * Scaling factor for activity transition animations. Setting to 0 will
7566         * disable window animations.
7567         */
7568        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7569
7570        /**
7571         * Scaling factor for Animator-based animations. This affects both the
7572         * start delay and duration of all such animations. Setting to 0 will
7573         * cause animations to end immediately. The default value is 1.
7574         */
7575        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7576
7577        /**
7578         * Scaling factor for normal window animations. Setting to 0 will
7579         * disable window animations.
7580         *
7581         * @hide
7582         */
7583        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7584
7585        /**
7586         * If 0, the compatibility mode is off for all applications.
7587         * If 1, older applications run under compatibility mode.
7588         * TODO: remove this settings before code freeze (bug/1907571)
7589         * @hide
7590         */
7591        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7592
7593        /**
7594         * CDMA only settings
7595         * Emergency Tone  0 = Off
7596         *                 1 = Alert
7597         *                 2 = Vibrate
7598         * @hide
7599         */
7600        public static final String EMERGENCY_TONE = "emergency_tone";
7601
7602        /**
7603         * CDMA only settings
7604         * Whether the auto retry is enabled. The value is
7605         * boolean (1 or 0).
7606         * @hide
7607         */
7608        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7609
7610        /**
7611         * See RIL_PreferredNetworkType in ril.h
7612         * @hide
7613         */
7614        public static final String PREFERRED_NETWORK_MODE =
7615                "preferred_network_mode";
7616
7617        /**
7618         * Name of an application package to be debugged.
7619         */
7620        public static final String DEBUG_APP = "debug_app";
7621
7622        /**
7623         * If 1, when launching DEBUG_APP it will wait for the debugger before
7624         * starting user code.  If 0, it will run normally.
7625         */
7626        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7627
7628        /**
7629         * Control whether the process CPU usage meter should be shown.
7630         */
7631        public static final String SHOW_PROCESSES = "show_processes";
7632
7633        /**
7634         * If 1 low power mode is enabled.
7635         * @hide
7636         */
7637        public static final String LOW_POWER_MODE = "low_power";
7638
7639        /**
7640         * Battery level [1-99] at which low power mode automatically turns on.
7641         * If 0, it will not automatically turn on.
7642         * @hide
7643         */
7644        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7645
7646         /**
7647         * If 1, the activity manager will aggressively finish activities and
7648         * processes as soon as they are no longer needed.  If 0, the normal
7649         * extended lifetime is used.
7650         */
7651        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7652
7653        /**
7654         * Use Dock audio output for media:
7655         *      0 = disabled
7656         *      1 = enabled
7657         * @hide
7658         */
7659        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7660
7661        /**
7662         * Persisted safe headphone volume management state by AudioService
7663         * @hide
7664         */
7665        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7666
7667        /**
7668         * URL for tzinfo (time zone) updates
7669         * @hide
7670         */
7671        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7672
7673        /**
7674         * URL for tzinfo (time zone) update metadata
7675         * @hide
7676         */
7677        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7678
7679        /**
7680         * URL for selinux (mandatory access control) updates
7681         * @hide
7682         */
7683        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7684
7685        /**
7686         * URL for selinux (mandatory access control) update metadata
7687         * @hide
7688         */
7689        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7690
7691        /**
7692         * URL for sms short code updates
7693         * @hide
7694         */
7695        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7696                "sms_short_codes_content_url";
7697
7698        /**
7699         * URL for sms short code update metadata
7700         * @hide
7701         */
7702        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7703                "sms_short_codes_metadata_url";
7704
7705        /**
7706         * URL for apn_db updates
7707         * @hide
7708         */
7709        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7710
7711        /**
7712         * URL for apn_db update metadata
7713         * @hide
7714         */
7715        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7716
7717        /**
7718         * URL for cert pinlist updates
7719         * @hide
7720         */
7721        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7722
7723        /**
7724         * URL for cert pinlist updates
7725         * @hide
7726         */
7727        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7728
7729        /**
7730         * URL for intent firewall updates
7731         * @hide
7732         */
7733        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7734                "intent_firewall_content_url";
7735
7736        /**
7737         * URL for intent firewall update metadata
7738         * @hide
7739         */
7740        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7741                "intent_firewall_metadata_url";
7742
7743        /**
7744         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7745         * @hide
7746         */
7747        public static final String SELINUX_STATUS = "selinux_status";
7748
7749        /**
7750         * Developer setting to force RTL layout.
7751         * @hide
7752         */
7753        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7754
7755        /**
7756         * Milliseconds after screen-off after which low battery sounds will be silenced.
7757         *
7758         * If zero, battery sounds will always play.
7759         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7760         *
7761         * @hide
7762         */
7763        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7764
7765        /**
7766         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7767         * the caller is done with this, they should call {@link ContentResolver#delete} to
7768         * clean up any value that they may have written.
7769         *
7770         * @hide
7771         */
7772        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7773
7774        /**
7775         * Defines global runtime overrides to window policy.
7776         *
7777         * See {@link com.android.server.policy.PolicyControl} for value format.
7778         *
7779         * @hide
7780         */
7781        public static final String POLICY_CONTROL = "policy_control";
7782
7783        /**
7784         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7785         * or ZEN_MODE_NO_INTERRUPTIONS.
7786         *
7787         * @hide
7788         */
7789        public static final String ZEN_MODE = "zen_mode";
7790
7791        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7792        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7793        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7794        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7795
7796        /** @hide */ public static String zenModeToString(int mode) {
7797            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7798            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7799            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7800            return "ZEN_MODE_OFF";
7801        }
7802
7803        /** @hide */ public static boolean isValidZenMode(int value) {
7804            switch (value) {
7805                case Global.ZEN_MODE_OFF:
7806                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7807                case Global.ZEN_MODE_ALARMS:
7808                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7809                    return true;
7810                default:
7811                    return false;
7812            }
7813        }
7814
7815        /**
7816         * Value of the ringer before entering zen mode.
7817         *
7818         * @hide
7819         */
7820        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7821
7822        /**
7823         * Opaque value, changes when persisted zen mode configuration changes.
7824         *
7825         * @hide
7826         */
7827        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7828
7829        /**
7830         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7831         *
7832         * @hide
7833         */
7834        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7835                "heads_up_notifications_enabled";
7836
7837        /** @hide */ public static final int HEADS_UP_OFF = 0;
7838        /** @hide */ public static final int HEADS_UP_ON = 1;
7839
7840        /**
7841         * The name of the device
7842         *
7843         * @hide
7844         */
7845        public static final String DEVICE_NAME = "device_name";
7846
7847        /**
7848         * Whether the NetworkScoringService has been first initialized.
7849         * <p>
7850         * Type: int (0 for false, 1 for true)
7851         * @hide
7852         */
7853        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7854
7855        /**
7856         * Whether the user wants to be prompted for password to decrypt the device on boot.
7857         * This only matters if the storage is encrypted.
7858         * <p>
7859         * Type: int (0 for false, 1 for true)
7860         * @hide
7861         */
7862        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7863
7864        /**
7865         * Whether the Volte is enabled
7866         * <p>
7867         * Type: int (0 for false, 1 for true)
7868         * @hide
7869         */
7870        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7871
7872        /**
7873         * Whether VT (Video Telephony over IMS) is enabled
7874         * <p>
7875         * Type: int (0 for false, 1 for true)
7876         *
7877         * @hide
7878         */
7879        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7880
7881        /**
7882         * Whether WFC is enabled
7883         * <p>
7884         * Type: int (0 for false, 1 for true)
7885         *
7886         * @hide
7887         */
7888        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7889
7890        /**
7891         * WFC Mode.
7892         * <p>
7893         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7894         *
7895         * @hide
7896         */
7897        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7898
7899        /**
7900         * Whether WFC roaming is enabled
7901         * <p>
7902         * Type: int (0 for false, 1 for true)
7903         *
7904         * @hide
7905         */
7906        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7907
7908        /**
7909         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7910         * this via gservices, OMA-DM, carrier app, etc.
7911         * <p>
7912         * Type: int (0 for false, 1 for true)
7913         * @hide
7914         */
7915        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7916
7917        /**
7918         * Ephemeral app cookie max size in bytes.
7919         * <p>
7920         * Type: int
7921         * @hide
7922         */
7923        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
7924                "ephemeral_cookie_max_size_bytes";
7925
7926        /**
7927         * The duration for caching uninstalled ephemeral apps.
7928         * <p>
7929         * Type: long
7930         * @hide
7931         */
7932        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
7933                "uninstalled_ephemeral_app_cache_duration_millis";
7934
7935        /**
7936         * Settings to backup. This is here so that it's in the same place as the settings
7937         * keys and easy to update.
7938         *
7939         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7940         * and Secure as well.  This is because those tables drive both backup and
7941         * restore, and restore needs to properly whitelist keys that used to live
7942         * in those namespaces.  The keys will only actually be backed up / restored
7943         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7944         *
7945         * NOTE: Settings are backed up and restored in the order they appear
7946         *       in this array. If you have one setting depending on another,
7947         *       make sure that they are ordered appropriately.
7948         *
7949         * @hide
7950         */
7951        public static final String[] SETTINGS_TO_BACKUP = {
7952            BUGREPORT_IN_POWER_MENU,
7953            STAY_ON_WHILE_PLUGGED_IN,
7954            AUTO_TIME,
7955            AUTO_TIME_ZONE,
7956            POWER_SOUNDS_ENABLED,
7957            DOCK_SOUNDS_ENABLED,
7958            CHARGING_SOUNDS_ENABLED,
7959            USB_MASS_STORAGE_ENABLED,
7960            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7961            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7962            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7963            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7964            WIFI_NUM_OPEN_NETWORKS_KEPT,
7965            EMERGENCY_TONE,
7966            CALL_AUTO_RETRY,
7967            DOCK_AUDIO_MEDIA_ENABLED,
7968            LOW_POWER_MODE_TRIGGER_LEVEL
7969        };
7970
7971        // Populated lazily, guarded by class object:
7972        private static NameValueCache sNameValueCache = new NameValueCache(
7973                    SYS_PROP_SETTING_VERSION,
7974                    CONTENT_URI,
7975                    CALL_METHOD_GET_GLOBAL,
7976                    CALL_METHOD_PUT_GLOBAL);
7977
7978        // Certain settings have been moved from global to the per-user secure namespace
7979        private static final HashSet<String> MOVED_TO_SECURE;
7980        static {
7981            MOVED_TO_SECURE = new HashSet<String>(1);
7982            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7983        }
7984
7985        /** @hide */
7986        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7987            outKeySet.addAll(MOVED_TO_SECURE);
7988        }
7989
7990        /**
7991         * Look up a name in the database.
7992         * @param resolver to access the database with
7993         * @param name to look up in the table
7994         * @return the corresponding value, or null if not present
7995         */
7996        public static String getString(ContentResolver resolver, String name) {
7997            return getStringForUser(resolver, name, UserHandle.myUserId());
7998        }
7999
8000        /** @hide */
8001        public static String getStringForUser(ContentResolver resolver, String name,
8002                int userHandle) {
8003            if (MOVED_TO_SECURE.contains(name)) {
8004                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8005                        + " to android.provider.Settings.Secure, returning read-only value.");
8006                return Secure.getStringForUser(resolver, name, userHandle);
8007            }
8008            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8009        }
8010
8011        /**
8012         * Store a name/value pair into the database.
8013         * @param resolver to access the database with
8014         * @param name to store
8015         * @param value to associate with the name
8016         * @return true if the value was set, false on database errors
8017         */
8018        public static boolean putString(ContentResolver resolver,
8019                String name, String value) {
8020            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8021        }
8022
8023        /** @hide */
8024        public static boolean putStringForUser(ContentResolver resolver,
8025                String name, String value, int userHandle) {
8026            if (LOCAL_LOGV) {
8027                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8028                        + " for " + userHandle);
8029            }
8030            // Global and Secure have the same access policy so we can forward writes
8031            if (MOVED_TO_SECURE.contains(name)) {
8032                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8033                        + " to android.provider.Settings.Secure, value is unchanged.");
8034                return Secure.putStringForUser(resolver, name, value, userHandle);
8035            }
8036            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8037        }
8038
8039        /**
8040         * Construct the content URI for a particular name/value pair,
8041         * useful for monitoring changes with a ContentObserver.
8042         * @param name to look up in the table
8043         * @return the corresponding content URI, or null if not present
8044         */
8045        public static Uri getUriFor(String name) {
8046            return getUriFor(CONTENT_URI, name);
8047        }
8048
8049        /**
8050         * Convenience function for retrieving a single secure settings value
8051         * as an integer.  Note that internally setting values are always
8052         * stored as strings; this function converts the string to an integer
8053         * for you.  The default value will be returned if the setting is
8054         * not defined or not an integer.
8055         *
8056         * @param cr The ContentResolver to access.
8057         * @param name The name of the setting to retrieve.
8058         * @param def Value to return if the setting is not defined.
8059         *
8060         * @return The setting's current value, or 'def' if it is not defined
8061         * or not a valid integer.
8062         */
8063        public static int getInt(ContentResolver cr, String name, int def) {
8064            String v = getString(cr, name);
8065            try {
8066                return v != null ? Integer.parseInt(v) : def;
8067            } catch (NumberFormatException e) {
8068                return def;
8069            }
8070        }
8071
8072        /**
8073         * Convenience function for retrieving a single secure settings value
8074         * as an integer.  Note that internally setting values are always
8075         * stored as strings; this function converts the string to an integer
8076         * for you.
8077         * <p>
8078         * This version does not take a default value.  If the setting has not
8079         * been set, or the string value is not a number,
8080         * it throws {@link SettingNotFoundException}.
8081         *
8082         * @param cr The ContentResolver to access.
8083         * @param name The name of the setting to retrieve.
8084         *
8085         * @throws SettingNotFoundException Thrown if a setting by the given
8086         * name can't be found or the setting value is not an integer.
8087         *
8088         * @return The setting's current value.
8089         */
8090        public static int getInt(ContentResolver cr, String name)
8091                throws SettingNotFoundException {
8092            String v = getString(cr, name);
8093            try {
8094                return Integer.parseInt(v);
8095            } catch (NumberFormatException e) {
8096                throw new SettingNotFoundException(name);
8097            }
8098        }
8099
8100        /**
8101         * Convenience function for updating a single settings value as an
8102         * integer. This will either create a new entry in the table if the
8103         * given name does not exist, or modify the value of the existing row
8104         * with that name.  Note that internally setting values are always
8105         * stored as strings, so this function converts the given value to a
8106         * string before storing it.
8107         *
8108         * @param cr The ContentResolver to access.
8109         * @param name The name of the setting to modify.
8110         * @param value The new value for the setting.
8111         * @return true if the value was set, false on database errors
8112         */
8113        public static boolean putInt(ContentResolver cr, String name, int value) {
8114            return putString(cr, name, Integer.toString(value));
8115        }
8116
8117        /**
8118         * Convenience function for retrieving a single secure settings value
8119         * as a {@code long}.  Note that internally setting values are always
8120         * stored as strings; this function converts the string to a {@code long}
8121         * for you.  The default value will be returned if the setting is
8122         * not defined or not a {@code long}.
8123         *
8124         * @param cr The ContentResolver to access.
8125         * @param name The name of the setting to retrieve.
8126         * @param def Value to return if the setting is not defined.
8127         *
8128         * @return The setting's current value, or 'def' if it is not defined
8129         * or not a valid {@code long}.
8130         */
8131        public static long getLong(ContentResolver cr, String name, long def) {
8132            String valString = getString(cr, name);
8133            long value;
8134            try {
8135                value = valString != null ? Long.parseLong(valString) : def;
8136            } catch (NumberFormatException e) {
8137                value = def;
8138            }
8139            return value;
8140        }
8141
8142        /**
8143         * Convenience function for retrieving a single secure settings value
8144         * as a {@code long}.  Note that internally setting values are always
8145         * stored as strings; this function converts the string to a {@code long}
8146         * for you.
8147         * <p>
8148         * This version does not take a default value.  If the setting has not
8149         * been set, or the string value is not a number,
8150         * it throws {@link SettingNotFoundException}.
8151         *
8152         * @param cr The ContentResolver to access.
8153         * @param name The name of the setting to retrieve.
8154         *
8155         * @return The setting's current value.
8156         * @throws SettingNotFoundException Thrown if a setting by the given
8157         * name can't be found or the setting value is not an integer.
8158         */
8159        public static long getLong(ContentResolver cr, String name)
8160                throws SettingNotFoundException {
8161            String valString = getString(cr, name);
8162            try {
8163                return Long.parseLong(valString);
8164            } catch (NumberFormatException e) {
8165                throw new SettingNotFoundException(name);
8166            }
8167        }
8168
8169        /**
8170         * Convenience function for updating a secure settings value as a long
8171         * integer. This will either create a new entry in the table if the
8172         * given name does not exist, or modify the value of the existing row
8173         * with that name.  Note that internally setting values are always
8174         * stored as strings, so this function converts the given value to a
8175         * string before storing it.
8176         *
8177         * @param cr The ContentResolver to access.
8178         * @param name The name of the setting to modify.
8179         * @param value The new value for the setting.
8180         * @return true if the value was set, false on database errors
8181         */
8182        public static boolean putLong(ContentResolver cr, String name, long value) {
8183            return putString(cr, name, Long.toString(value));
8184        }
8185
8186        /**
8187         * Convenience function for retrieving a single secure settings value
8188         * as a floating point number.  Note that internally setting values are
8189         * always stored as strings; this function converts the string to an
8190         * float for you. The default value will be returned if the setting
8191         * is not defined or not a valid float.
8192         *
8193         * @param cr The ContentResolver to access.
8194         * @param name The name of the setting to retrieve.
8195         * @param def Value to return if the setting is not defined.
8196         *
8197         * @return The setting's current value, or 'def' if it is not defined
8198         * or not a valid float.
8199         */
8200        public static float getFloat(ContentResolver cr, String name, float def) {
8201            String v = getString(cr, name);
8202            try {
8203                return v != null ? Float.parseFloat(v) : def;
8204            } catch (NumberFormatException e) {
8205                return def;
8206            }
8207        }
8208
8209        /**
8210         * Convenience function for retrieving a single secure settings value
8211         * as a float.  Note that internally setting values are always
8212         * stored as strings; this function converts the string to a float
8213         * for you.
8214         * <p>
8215         * This version does not take a default value.  If the setting has not
8216         * been set, or the string value is not a number,
8217         * it throws {@link SettingNotFoundException}.
8218         *
8219         * @param cr The ContentResolver to access.
8220         * @param name The name of the setting to retrieve.
8221         *
8222         * @throws SettingNotFoundException Thrown if a setting by the given
8223         * name can't be found or the setting value is not a float.
8224         *
8225         * @return The setting's current value.
8226         */
8227        public static float getFloat(ContentResolver cr, String name)
8228                throws SettingNotFoundException {
8229            String v = getString(cr, name);
8230            if (v == null) {
8231                throw new SettingNotFoundException(name);
8232            }
8233            try {
8234                return Float.parseFloat(v);
8235            } catch (NumberFormatException e) {
8236                throw new SettingNotFoundException(name);
8237            }
8238        }
8239
8240        /**
8241         * Convenience function for updating a single settings value as a
8242         * floating point number. This will either create a new entry in the
8243         * table if the given name does not exist, or modify the value of the
8244         * existing row with that name.  Note that internally setting values
8245         * are always stored as strings, so this function converts the given
8246         * value to a string before storing it.
8247         *
8248         * @param cr The ContentResolver to access.
8249         * @param name The name of the setting to modify.
8250         * @param value The new value for the setting.
8251         * @return true if the value was set, false on database errors
8252         */
8253        public static boolean putFloat(ContentResolver cr, String name, float value) {
8254            return putString(cr, name, Float.toString(value));
8255        }
8256
8257
8258        /**
8259          * Subscription to be used for voice call on a multi sim device. The supported values
8260          * are 0 = SUB1, 1 = SUB2 and etc.
8261          * @hide
8262          */
8263        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8264
8265        /**
8266          * Used to provide option to user to select subscription during dial.
8267          * The supported values are 0 = disable or 1 = enable prompt.
8268          * @hide
8269          */
8270        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8271
8272        /**
8273          * Subscription to be used for data call on a multi sim device. The supported values
8274          * are 0 = SUB1, 1 = SUB2 and etc.
8275          * @hide
8276          */
8277        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8278
8279        /**
8280          * Subscription to be used for SMS on a multi sim device. The supported values
8281          * are 0 = SUB1, 1 = SUB2 and etc.
8282          * @hide
8283          */
8284        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8285
8286       /**
8287          * Used to provide option to user to select subscription during send SMS.
8288          * The value 1 - enable, 0 - disable
8289          * @hide
8290          */
8291        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8292
8293
8294
8295        /** User preferred subscriptions setting.
8296          * This holds the details of the user selected subscription from the card and
8297          * the activation status. Each settings string have the coma separated values
8298          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8299          * @hide
8300         */
8301        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8302                "user_preferred_sub2","user_preferred_sub3"};
8303
8304        /**
8305         * Whether to enable new contacts aggregator or not.
8306         * The value 1 - enable, 0 - disable
8307         * @hide
8308         */
8309        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8310
8311        /**
8312         * Whether to enable contacts metadata syncing or not
8313         * The value 1 - enable, 0 - disable
8314         */
8315        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8316
8317        /**
8318         * Whether to enable cellular on boot.
8319         * The value 1 - enable, 0 - disable
8320         * @hide
8321         */
8322        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8323    }
8324
8325    /**
8326     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8327     * Intent URL, allowing it to be either a web page or a particular
8328     * application activity.
8329     *
8330     * @hide
8331     */
8332    public static final class Bookmarks implements BaseColumns
8333    {
8334        private static final String TAG = "Bookmarks";
8335
8336        /**
8337         * The content:// style URL for this table
8338         */
8339        public static final Uri CONTENT_URI =
8340            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8341
8342        /**
8343         * The row ID.
8344         * <p>Type: INTEGER</p>
8345         */
8346        public static final String ID = "_id";
8347
8348        /**
8349         * Descriptive name of the bookmark that can be displayed to the user.
8350         * If this is empty, the title should be resolved at display time (use
8351         * {@link #getTitle(Context, Cursor)} any time you want to display the
8352         * title of a bookmark.)
8353         * <P>
8354         * Type: TEXT
8355         * </P>
8356         */
8357        public static final String TITLE = "title";
8358
8359        /**
8360         * Arbitrary string (displayed to the user) that allows bookmarks to be
8361         * organized into categories.  There are some special names for
8362         * standard folders, which all start with '@'.  The label displayed for
8363         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8364         * the folder name does not change so you can consistently query for
8365         * the folder regardless of the current locale.
8366         *
8367         * <P>Type: TEXT</P>
8368         *
8369         */
8370        public static final String FOLDER = "folder";
8371
8372        /**
8373         * The Intent URL of the bookmark, describing what it points to.  This
8374         * value is given to {@link android.content.Intent#getIntent} to create
8375         * an Intent that can be launched.
8376         * <P>Type: TEXT</P>
8377         */
8378        public static final String INTENT = "intent";
8379
8380        /**
8381         * Optional shortcut character associated with this bookmark.
8382         * <P>Type: INTEGER</P>
8383         */
8384        public static final String SHORTCUT = "shortcut";
8385
8386        /**
8387         * The order in which the bookmark should be displayed
8388         * <P>Type: INTEGER</P>
8389         */
8390        public static final String ORDERING = "ordering";
8391
8392        private static final String[] sIntentProjection = { INTENT };
8393        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8394        private static final String sShortcutSelection = SHORTCUT + "=?";
8395
8396        /**
8397         * Convenience function to retrieve the bookmarked Intent for a
8398         * particular shortcut key.
8399         *
8400         * @param cr The ContentResolver to query.
8401         * @param shortcut The shortcut key.
8402         *
8403         * @return Intent The bookmarked URL, or null if there is no bookmark
8404         *         matching the given shortcut.
8405         */
8406        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8407        {
8408            Intent intent = null;
8409
8410            Cursor c = cr.query(CONTENT_URI,
8411                    sIntentProjection, sShortcutSelection,
8412                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8413            // Keep trying until we find a valid shortcut
8414            try {
8415                while (intent == null && c.moveToNext()) {
8416                    try {
8417                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8418                        intent = Intent.parseUri(intentURI, 0);
8419                    } catch (java.net.URISyntaxException e) {
8420                        // The stored URL is bad...  ignore it.
8421                    } catch (IllegalArgumentException e) {
8422                        // Column not found
8423                        Log.w(TAG, "Intent column not found", e);
8424                    }
8425                }
8426            } finally {
8427                if (c != null) c.close();
8428            }
8429
8430            return intent;
8431        }
8432
8433        /**
8434         * Add a new bookmark to the system.
8435         *
8436         * @param cr The ContentResolver to query.
8437         * @param intent The desired target of the bookmark.
8438         * @param title Bookmark title that is shown to the user; null if none
8439         *            or it should be resolved to the intent's title.
8440         * @param folder Folder in which to place the bookmark; null if none.
8441         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8442         *            this is non-zero and there is an existing bookmark entry
8443         *            with this same shortcut, then that existing shortcut is
8444         *            cleared (the bookmark is not removed).
8445         * @return The unique content URL for the new bookmark entry.
8446         */
8447        public static Uri add(ContentResolver cr,
8448                                           Intent intent,
8449                                           String title,
8450                                           String folder,
8451                                           char shortcut,
8452                                           int ordering)
8453        {
8454            // If a shortcut is supplied, and it is already defined for
8455            // another bookmark, then remove the old definition.
8456            if (shortcut != 0) {
8457                cr.delete(CONTENT_URI, sShortcutSelection,
8458                        new String[] { String.valueOf((int) shortcut) });
8459            }
8460
8461            ContentValues values = new ContentValues();
8462            if (title != null) values.put(TITLE, title);
8463            if (folder != null) values.put(FOLDER, folder);
8464            values.put(INTENT, intent.toUri(0));
8465            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8466            values.put(ORDERING, ordering);
8467            return cr.insert(CONTENT_URI, values);
8468        }
8469
8470        /**
8471         * Return the folder name as it should be displayed to the user.  This
8472         * takes care of localizing special folders.
8473         *
8474         * @param r Resources object for current locale; only need access to
8475         *          system resources.
8476         * @param folder The value found in the {@link #FOLDER} column.
8477         *
8478         * @return CharSequence The label for this folder that should be shown
8479         *         to the user.
8480         */
8481        public static CharSequence getLabelForFolder(Resources r, String folder) {
8482            return folder;
8483        }
8484
8485        /**
8486         * Return the title as it should be displayed to the user. This takes
8487         * care of localizing bookmarks that point to activities.
8488         *
8489         * @param context A context.
8490         * @param cursor A cursor pointing to the row whose title should be
8491         *        returned. The cursor must contain at least the {@link #TITLE}
8492         *        and {@link #INTENT} columns.
8493         * @return A title that is localized and can be displayed to the user,
8494         *         or the empty string if one could not be found.
8495         */
8496        public static CharSequence getTitle(Context context, Cursor cursor) {
8497            int titleColumn = cursor.getColumnIndex(TITLE);
8498            int intentColumn = cursor.getColumnIndex(INTENT);
8499            if (titleColumn == -1 || intentColumn == -1) {
8500                throw new IllegalArgumentException(
8501                        "The cursor must contain the TITLE and INTENT columns.");
8502            }
8503
8504            String title = cursor.getString(titleColumn);
8505            if (!TextUtils.isEmpty(title)) {
8506                return title;
8507            }
8508
8509            String intentUri = cursor.getString(intentColumn);
8510            if (TextUtils.isEmpty(intentUri)) {
8511                return "";
8512            }
8513
8514            Intent intent;
8515            try {
8516                intent = Intent.parseUri(intentUri, 0);
8517            } catch (URISyntaxException e) {
8518                return "";
8519            }
8520
8521            PackageManager packageManager = context.getPackageManager();
8522            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8523            return info != null ? info.loadLabel(packageManager) : "";
8524        }
8525    }
8526
8527    /**
8528     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8529     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8530     * from the GoogleLoginService.
8531     *
8532     * @param androidId The Android ID for this device.
8533     * @return The device ID that should be used when connecting to the mobile gtalk server.
8534     * @hide
8535     */
8536    public static String getGTalkDeviceId(long androidId) {
8537        return "android-" + Long.toHexString(androidId);
8538    }
8539
8540    private static final String[] PM_WRITE_SETTINGS = {
8541        android.Manifest.permission.WRITE_SETTINGS
8542    };
8543    private static final String[] PM_CHANGE_NETWORK_STATE = {
8544        android.Manifest.permission.CHANGE_NETWORK_STATE,
8545        android.Manifest.permission.WRITE_SETTINGS
8546    };
8547    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8548        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8549    };
8550
8551    /**
8552     * Performs a strict and comprehensive check of whether a calling package is allowed to
8553     * write/modify system settings, as the condition differs for pre-M, M+, and
8554     * privileged/preinstalled apps. If the provided uid does not match the
8555     * callingPackage, a negative result will be returned.
8556     * @hide
8557     */
8558    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8559            String callingPackage, boolean throwException) {
8560        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8561                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8562                PM_WRITE_SETTINGS, false);
8563    }
8564
8565    /**
8566     * Performs a strict and comprehensive check of whether a calling package is allowed to
8567     * write/modify system settings, as the condition differs for pre-M, M+, and
8568     * privileged/preinstalled apps. If the provided uid does not match the
8569     * callingPackage, a negative result will be returned. The caller is expected to have
8570     * the WRITE_SETTINGS permission declared.
8571     *
8572     * Note: if the check is successful, the operation of this app will be updated to the
8573     * current time.
8574     * @hide
8575     */
8576    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8577            String callingPackage, boolean throwException) {
8578        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8579                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8580                PM_WRITE_SETTINGS, true);
8581    }
8582
8583    /**
8584     * Performs a strict and comprehensive check of whether a calling package is allowed to
8585     * change the state of network, as the condition differs for pre-M, M+, and
8586     * privileged/preinstalled apps. The caller is expected to have either the
8587     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8588     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8589     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8590     * permission and cannot be revoked. See http://b/23597341
8591     *
8592     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8593     * of this app will be updated to the current time.
8594     * @hide
8595     */
8596    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8597            String callingPackage, boolean throwException) {
8598        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8599                == PackageManager.PERMISSION_GRANTED) {
8600            return true;
8601        }
8602        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8603                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8604                PM_CHANGE_NETWORK_STATE, true);
8605    }
8606
8607    /**
8608     * Performs a strict and comprehensive check of whether a calling package is allowed to
8609     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8610     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8611     * a negative result will be returned.
8612     * @hide
8613     */
8614    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8615            String callingPackage, boolean throwException) {
8616        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8617                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8618                PM_SYSTEM_ALERT_WINDOW, false);
8619    }
8620
8621    /**
8622     * Performs a strict and comprehensive check of whether a calling package is allowed to
8623     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8624     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8625     * a negative result will be returned.
8626     *
8627     * Note: if the check is successful, the operation of this app will be updated to the
8628     * current time.
8629     * @hide
8630     */
8631    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8632            callingPackage, boolean throwException) {
8633        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8634                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8635                PM_SYSTEM_ALERT_WINDOW, true);
8636    }
8637
8638    /**
8639     * Helper method to perform a general and comprehensive check of whether an operation that is
8640     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8641     * OP_WRITE_SETTINGS
8642     * @hide
8643     */
8644    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8645            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8646            permissions, boolean makeNote) {
8647        if (callingPackage == null) {
8648            return false;
8649        }
8650
8651        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8652        int mode = AppOpsManager.MODE_DEFAULT;
8653        if (makeNote) {
8654            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8655        } else {
8656            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8657        }
8658
8659        switch (mode) {
8660            case AppOpsManager.MODE_ALLOWED:
8661                return true;
8662
8663            case AppOpsManager.MODE_DEFAULT:
8664                // this is the default operating mode after an app's installation
8665                // In this case we will check all associated static permission to see
8666                // if it is granted during install time.
8667                for (String permission : permissions) {
8668                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8669                            .PERMISSION_GRANTED) {
8670                        // if either of the permissions are granted, we will allow it
8671                        return true;
8672                    }
8673                }
8674
8675            default:
8676                // this is for all other cases trickled down here...
8677                if (!throwException) {
8678                    return false;
8679                }
8680        }
8681
8682        // prepare string to throw SecurityException
8683        StringBuilder exceptionMessage = new StringBuilder();
8684        exceptionMessage.append(callingPackage);
8685        exceptionMessage.append(" was not granted ");
8686        if (permissions.length > 1) {
8687            exceptionMessage.append(" either of these permissions: ");
8688        } else {
8689            exceptionMessage.append(" this permission: ");
8690        }
8691        for (int i = 0; i < permissions.length; i++) {
8692            exceptionMessage.append(permissions[i]);
8693            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8694        }
8695
8696        throw new SecurityException(exceptionMessage.toString());
8697    }
8698
8699    /**
8700     * Retrieves a correponding package name for a given uid. It will query all
8701     * packages that are associated with the given uid, but it will return only
8702     * the zeroth result.
8703     * Note: If package could not be found, a null is returned.
8704     * @hide
8705     */
8706    public static String getPackageNameForUid(Context context, int uid) {
8707        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8708        if (packages == null) {
8709            return null;
8710        }
8711        return packages[0];
8712    }
8713}
8714