Settings.java revision eb80f7c6d6d813af92512f62c109f6065bbfb07e
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 as high 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 whether timed text (captions) should be
4814         * displayed in video content. Text display properties are controlled by
4815         * the following settings:
4816         * <ul>
4817         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4818         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4819         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4820         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4821         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4822         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4823         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4824         * </ul>
4825         *
4826         * @hide
4827         */
4828        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4829                "accessibility_captioning_enabled";
4830
4831        /**
4832         * Setting that specifies the language for captions as a locale string,
4833         * e.g. en_US.
4834         *
4835         * @see java.util.Locale#toString
4836         * @hide
4837         */
4838        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4839                "accessibility_captioning_locale";
4840
4841        /**
4842         * Integer property that specifies the preset style for captions, one
4843         * of:
4844         * <ul>
4845         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4846         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4847         * </ul>
4848         *
4849         * @see java.util.Locale#toString
4850         * @hide
4851         */
4852        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4853                "accessibility_captioning_preset";
4854
4855        /**
4856         * Integer property that specifes the background color for captions as a
4857         * packed 32-bit color.
4858         *
4859         * @see android.graphics.Color#argb
4860         * @hide
4861         */
4862        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4863                "accessibility_captioning_background_color";
4864
4865        /**
4866         * Integer property that specifes the foreground color for captions as a
4867         * packed 32-bit color.
4868         *
4869         * @see android.graphics.Color#argb
4870         * @hide
4871         */
4872        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4873                "accessibility_captioning_foreground_color";
4874
4875        /**
4876         * Integer property that specifes the edge type for captions, one of:
4877         * <ul>
4878         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4879         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4880         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4881         * </ul>
4882         *
4883         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4884         * @hide
4885         */
4886        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4887                "accessibility_captioning_edge_type";
4888
4889        /**
4890         * Integer property that specifes the edge color for captions as a
4891         * packed 32-bit color.
4892         *
4893         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4894         * @see android.graphics.Color#argb
4895         * @hide
4896         */
4897        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4898                "accessibility_captioning_edge_color";
4899
4900        /**
4901         * Integer property that specifes the window color for captions as a
4902         * packed 32-bit color.
4903         *
4904         * @see android.graphics.Color#argb
4905         * @hide
4906         */
4907        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4908                "accessibility_captioning_window_color";
4909
4910        /**
4911         * String property that specifies the typeface for captions, one of:
4912         * <ul>
4913         * <li>DEFAULT
4914         * <li>MONOSPACE
4915         * <li>SANS_SERIF
4916         * <li>SERIF
4917         * </ul>
4918         *
4919         * @see android.graphics.Typeface
4920         * @hide
4921         */
4922        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4923                "accessibility_captioning_typeface";
4924
4925        /**
4926         * Floating point property that specifies font scaling for captions.
4927         *
4928         * @hide
4929         */
4930        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4931                "accessibility_captioning_font_scale";
4932
4933        /**
4934         * Setting that specifies whether display color inversion is enabled.
4935         */
4936        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4937                "accessibility_display_inversion_enabled";
4938
4939        /**
4940         * Setting that specifies whether display color space adjustment is
4941         * enabled.
4942         *
4943         * @hide
4944         */
4945        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4946                "accessibility_display_daltonizer_enabled";
4947
4948        /**
4949         * Integer property that specifies the type of color space adjustment to
4950         * perform. Valid values are defined in AccessibilityManager.
4951         *
4952         * @hide
4953         */
4954        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4955                "accessibility_display_daltonizer";
4956
4957        /**
4958         * Float list that specifies the color matrix to apply to
4959         * the display. Valid values are defined in AccessibilityManager.
4960         *
4961         * @hide
4962         */
4963        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
4964                "accessibility_display_color_matrix";
4965
4966        /**
4967         * Setting that specifies whether automatic click when the mouse pointer stops moving is
4968         * enabled.
4969         *
4970         * @hide
4971         */
4972        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
4973                "accessibility_autoclick_enabled";
4974
4975        /**
4976         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
4977         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
4978         *
4979         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
4980         * @hide
4981         */
4982        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
4983                "accessibility_autoclick_delay";
4984
4985        /**
4986         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
4987         * accessibility.
4988         * (0 = false, 1 = true)
4989         * @hide
4990         */
4991        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
4992                "accessibility_large_pointer_icon";
4993
4994        /**
4995         * The timeout for considering a press to be a long press in milliseconds.
4996         * @hide
4997         */
4998        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4999
5000        /**
5001         * List of the enabled print services.
5002         *
5003         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5004         * from pre-N.
5005         *
5006         * @hide
5007         */
5008        public static final String ENABLED_PRINT_SERVICES =
5009            "enabled_print_services";
5010
5011        /**
5012         * List of the disabled print services.
5013         *
5014         * @hide
5015         */
5016        public static final String DISABLED_PRINT_SERVICES =
5017            "disabled_print_services";
5018
5019        /**
5020         * Setting to always use the default text-to-speech settings regardless
5021         * of the application settings.
5022         * 1 = override application settings,
5023         * 0 = use application settings (if specified).
5024         *
5025         * @deprecated  The value of this setting is no longer respected by
5026         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5027         */
5028        @Deprecated
5029        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5030
5031        /**
5032         * Default text-to-speech engine speech rate. 100 = 1x
5033         */
5034        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5035
5036        /**
5037         * Default text-to-speech engine pitch. 100 = 1x
5038         */
5039        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5040
5041        /**
5042         * Default text-to-speech engine.
5043         */
5044        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5045
5046        /**
5047         * Default text-to-speech language.
5048         *
5049         * @deprecated this setting is no longer in use, as of the Ice Cream
5050         * Sandwich release. Apps should never need to read this setting directly,
5051         * instead can query the TextToSpeech framework classes for the default
5052         * locale. {@link TextToSpeech#getLanguage()}.
5053         */
5054        @Deprecated
5055        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5056
5057        /**
5058         * Default text-to-speech country.
5059         *
5060         * @deprecated this setting is no longer in use, as of the Ice Cream
5061         * Sandwich release. Apps should never need to read this setting directly,
5062         * instead can query the TextToSpeech framework classes for the default
5063         * locale. {@link TextToSpeech#getLanguage()}.
5064         */
5065        @Deprecated
5066        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5067
5068        /**
5069         * Default text-to-speech locale variant.
5070         *
5071         * @deprecated this setting is no longer in use, as of the Ice Cream
5072         * Sandwich release. Apps should never need to read this setting directly,
5073         * instead can query the TextToSpeech framework classes for the
5074         * locale that is in use {@link TextToSpeech#getLanguage()}.
5075         */
5076        @Deprecated
5077        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5078
5079        /**
5080         * Stores the default tts locales on a per engine basis. Stored as
5081         * a comma seperated list of values, each value being of the form
5082         * {@code engine_name:locale} for example,
5083         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5084         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5085         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5086         * setting directly, and can query the TextToSpeech framework classes
5087         * for the locale that is in use.
5088         *
5089         * @hide
5090         */
5091        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5092
5093        /**
5094         * Space delimited list of plugin packages that are enabled.
5095         */
5096        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5097
5098        /**
5099         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5100         * instead.
5101         */
5102        @Deprecated
5103        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5104                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5105
5106        /**
5107         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5108         * instead.
5109         */
5110        @Deprecated
5111        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5112                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5113
5114        /**
5115         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5116         * instead.
5117         */
5118        @Deprecated
5119        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5120                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5121
5122        /**
5123         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5124         * instead.
5125         */
5126        @Deprecated
5127        public static final String WIFI_ON = Global.WIFI_ON;
5128
5129        /**
5130         * The acceptable packet loss percentage (range 0 - 100) before trying
5131         * another AP on the same network.
5132         * @deprecated This setting is not used.
5133         */
5134        @Deprecated
5135        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5136                "wifi_watchdog_acceptable_packet_loss_percentage";
5137
5138        /**
5139         * The number of access points required for a network in order for the
5140         * watchdog to monitor it.
5141         * @deprecated This setting is not used.
5142         */
5143        @Deprecated
5144        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5145
5146        /**
5147         * The delay between background checks.
5148         * @deprecated This setting is not used.
5149         */
5150        @Deprecated
5151        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5152                "wifi_watchdog_background_check_delay_ms";
5153
5154        /**
5155         * Whether the Wi-Fi watchdog is enabled for background checking even
5156         * after it thinks the user has connected to a good access point.
5157         * @deprecated This setting is not used.
5158         */
5159        @Deprecated
5160        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5161                "wifi_watchdog_background_check_enabled";
5162
5163        /**
5164         * The timeout for a background ping
5165         * @deprecated This setting is not used.
5166         */
5167        @Deprecated
5168        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5169                "wifi_watchdog_background_check_timeout_ms";
5170
5171        /**
5172         * The number of initial pings to perform that *may* be ignored if they
5173         * fail. Again, if these fail, they will *not* be used in packet loss
5174         * calculation. For example, one network always seemed to time out for
5175         * the first couple pings, so this is set to 3 by default.
5176         * @deprecated This setting is not used.
5177         */
5178        @Deprecated
5179        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5180            "wifi_watchdog_initial_ignored_ping_count";
5181
5182        /**
5183         * The maximum number of access points (per network) to attempt to test.
5184         * If this number is reached, the watchdog will no longer monitor the
5185         * initial connection state for the network. This is a safeguard for
5186         * networks containing multiple APs whose DNS does not respond to pings.
5187         * @deprecated This setting is not used.
5188         */
5189        @Deprecated
5190        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5191
5192        /**
5193         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5194         */
5195        @Deprecated
5196        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5197
5198        /**
5199         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5200         * @deprecated This setting is not used.
5201         */
5202        @Deprecated
5203        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5204
5205        /**
5206         * The number of pings to test if an access point is a good connection.
5207         * @deprecated This setting is not used.
5208         */
5209        @Deprecated
5210        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5211
5212        /**
5213         * The delay between pings.
5214         * @deprecated This setting is not used.
5215         */
5216        @Deprecated
5217        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5218
5219        /**
5220         * The timeout per ping.
5221         * @deprecated This setting is not used.
5222         */
5223        @Deprecated
5224        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5225
5226        /**
5227         * @deprecated Use
5228         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5229         */
5230        @Deprecated
5231        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5232
5233        /**
5234         * @deprecated Use
5235         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5236         */
5237        @Deprecated
5238        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5239                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5240
5241        /**
5242         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5243         * the receivers of the PendingIntent an opportunity to make a new network request before
5244         * the Network satisfying the request is potentially removed.
5245         *
5246         * @hide
5247         */
5248        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5249                "connectivity_release_pending_intent_delay_ms";
5250
5251        /**
5252         * Whether background data usage is allowed.
5253         *
5254         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5255         *             availability of background data depends on several
5256         *             combined factors. When background data is unavailable,
5257         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5258         *             now appear disconnected.
5259         */
5260        @Deprecated
5261        public static final String BACKGROUND_DATA = "background_data";
5262
5263        /**
5264         * Origins for which browsers should allow geolocation by default.
5265         * The value is a space-separated list of origins.
5266         */
5267        public static final String ALLOWED_GEOLOCATION_ORIGINS
5268                = "allowed_geolocation_origins";
5269
5270        /**
5271         * The preferred TTY mode     0 = TTy Off, CDMA default
5272         *                            1 = TTY Full
5273         *                            2 = TTY HCO
5274         *                            3 = TTY VCO
5275         * @hide
5276         */
5277        public static final String PREFERRED_TTY_MODE =
5278                "preferred_tty_mode";
5279
5280        /**
5281         * Whether the enhanced voice privacy mode is enabled.
5282         * 0 = normal voice privacy
5283         * 1 = enhanced voice privacy
5284         * @hide
5285         */
5286        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5287
5288        /**
5289         * Whether the TTY mode mode is enabled.
5290         * 0 = disabled
5291         * 1 = enabled
5292         * @hide
5293         */
5294        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5295
5296        /**
5297         * Controls whether settings backup is enabled.
5298         * Type: int ( 0 = disabled, 1 = enabled )
5299         * @hide
5300         */
5301        public static final String BACKUP_ENABLED = "backup_enabled";
5302
5303        /**
5304         * Controls whether application data is automatically restored from backup
5305         * at install time.
5306         * Type: int ( 0 = disabled, 1 = enabled )
5307         * @hide
5308         */
5309        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5310
5311        /**
5312         * Indicates whether settings backup has been fully provisioned.
5313         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5314         * @hide
5315         */
5316        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5317
5318        /**
5319         * Component of the transport to use for backup/restore.
5320         * @hide
5321         */
5322        public static final String BACKUP_TRANSPORT = "backup_transport";
5323
5324        /**
5325         * Version for which the setup wizard was last shown.  Bumped for
5326         * each release when there is new setup information to show.
5327         * @hide
5328         */
5329        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5330
5331        /**
5332         * The interval in milliseconds after which Wi-Fi is considered idle.
5333         * When idle, it is possible for the device to be switched from Wi-Fi to
5334         * the mobile data network.
5335         * @hide
5336         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5337         * instead.
5338         */
5339        @Deprecated
5340        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5341
5342        /**
5343         * The global search provider chosen by the user (if multiple global
5344         * search providers are installed). This will be the provider returned
5345         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5346         * installed. This setting is stored as a flattened component name as
5347         * per {@link ComponentName#flattenToString()}.
5348         *
5349         * @hide
5350         */
5351        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5352                "search_global_search_activity";
5353
5354        /**
5355         * The number of promoted sources in GlobalSearch.
5356         * @hide
5357         */
5358        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5359        /**
5360         * The maximum number of suggestions returned by GlobalSearch.
5361         * @hide
5362         */
5363        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5364        /**
5365         * The number of suggestions GlobalSearch will ask each non-web search source for.
5366         * @hide
5367         */
5368        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5369        /**
5370         * The number of suggestions the GlobalSearch will ask the web search source for.
5371         * @hide
5372         */
5373        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5374                "search_web_results_override_limit";
5375        /**
5376         * The number of milliseconds that GlobalSearch will wait for suggestions from
5377         * promoted sources before continuing with all other sources.
5378         * @hide
5379         */
5380        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5381                "search_promoted_source_deadline_millis";
5382        /**
5383         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5384         * @hide
5385         */
5386        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5387        /**
5388         * The maximum number of milliseconds that GlobalSearch shows the previous results
5389         * after receiving a new query.
5390         * @hide
5391         */
5392        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5393        /**
5394         * The maximum age of log data used for shortcuts in GlobalSearch.
5395         * @hide
5396         */
5397        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5398        /**
5399         * The maximum age of log data used for source ranking in GlobalSearch.
5400         * @hide
5401         */
5402        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5403                "search_max_source_event_age_millis";
5404        /**
5405         * The minimum number of impressions needed to rank a source in GlobalSearch.
5406         * @hide
5407         */
5408        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5409                "search_min_impressions_for_source_ranking";
5410        /**
5411         * The minimum number of clicks needed to rank a source in GlobalSearch.
5412         * @hide
5413         */
5414        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5415                "search_min_clicks_for_source_ranking";
5416        /**
5417         * The maximum number of shortcuts shown by GlobalSearch.
5418         * @hide
5419         */
5420        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5421        /**
5422         * The size of the core thread pool for suggestion queries in GlobalSearch.
5423         * @hide
5424         */
5425        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5426                "search_query_thread_core_pool_size";
5427        /**
5428         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5429         * @hide
5430         */
5431        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5432                "search_query_thread_max_pool_size";
5433        /**
5434         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5435         * @hide
5436         */
5437        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5438                "search_shortcut_refresh_core_pool_size";
5439        /**
5440         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5441         * @hide
5442         */
5443        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5444                "search_shortcut_refresh_max_pool_size";
5445        /**
5446         * The maximun time that excess threads in the GlobalSeach thread pools will
5447         * wait before terminating.
5448         * @hide
5449         */
5450        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5451                "search_thread_keepalive_seconds";
5452        /**
5453         * The maximum number of concurrent suggestion queries to each source.
5454         * @hide
5455         */
5456        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5457                "search_per_source_concurrent_query_limit";
5458
5459        /**
5460         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5461         * @hide
5462         */
5463        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5464
5465        /**
5466         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5467         * @hide
5468         */
5469        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5470
5471        /**
5472         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5473         * @hide
5474         */
5475        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5476
5477        /**
5478         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5479         * @hide
5480         */
5481        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5482
5483        /**
5484         * If nonzero, ANRs in invisible background processes bring up a dialog.
5485         * Otherwise, the process will be silently killed.
5486         * @hide
5487         */
5488        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5489
5490        /**
5491         * The {@link ComponentName} string of the service to be used as the voice recognition
5492         * service.
5493         *
5494         * @hide
5495         */
5496        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5497
5498        /**
5499         * Stores whether an user has consented to have apps verified through PAM.
5500         * The value is boolean (1 or 0).
5501         *
5502         * @hide
5503         */
5504        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5505            "package_verifier_user_consent";
5506
5507        /**
5508         * The {@link ComponentName} string of the selected spell checker service which is
5509         * one of the services managed by the text service manager.
5510         *
5511         * @hide
5512         */
5513        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5514
5515        /**
5516         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5517         * service which is one of the services managed by the text service manager.
5518         *
5519         * @hide
5520         */
5521        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5522                "selected_spell_checker_subtype";
5523
5524        /**
5525         * The {@link ComponentName} string whether spell checker is enabled or not.
5526         *
5527         * @hide
5528         */
5529        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5530
5531        /**
5532         * What happens when the user presses the Power button while in-call
5533         * and the screen is on.<br/>
5534         * <b>Values:</b><br/>
5535         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5536         * 2 - The Power button hangs up the current call.<br/>
5537         *
5538         * @hide
5539         */
5540        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5541
5542        /**
5543         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5544         * @hide
5545         */
5546        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5547
5548        /**
5549         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5550         * @hide
5551         */
5552        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5553
5554        /**
5555         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5556         * @hide
5557         */
5558        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5559                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5560
5561        /**
5562         * Whether the device should wake when the wake gesture sensor detects motion.
5563         * @hide
5564         */
5565        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5566
5567        /**
5568         * Whether the device should doze if configured.
5569         * @hide
5570         */
5571        public static final String DOZE_ENABLED = "doze_enabled";
5572
5573        /**
5574         * The current night mode that has been selected by the user.  Owned
5575         * and controlled by UiModeManagerService.  Constants are as per
5576         * UiModeManager.
5577         * @hide
5578         */
5579        public static final String UI_NIGHT_MODE = "ui_night_mode";
5580
5581        /**
5582         * Whether screensavers are enabled.
5583         * @hide
5584         */
5585        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5586
5587        /**
5588         * The user's chosen screensaver components.
5589         *
5590         * These will be launched by the PhoneWindowManager after a timeout when not on
5591         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5592         * @hide
5593         */
5594        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5595
5596        /**
5597         * If screensavers are enabled, whether the screensaver should be automatically launched
5598         * when the device is inserted into a (desk) dock.
5599         * @hide
5600         */
5601        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5602
5603        /**
5604         * If screensavers are enabled, whether the screensaver should be automatically launched
5605         * when the screen times out when not on battery.
5606         * @hide
5607         */
5608        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5609
5610        /**
5611         * If screensavers are enabled, the default screensaver component.
5612         * @hide
5613         */
5614        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5615
5616        /**
5617         * The default NFC payment component
5618         * @hide
5619         */
5620        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5621
5622        /**
5623         * Whether NFC payment is handled by the foreground application or a default.
5624         * @hide
5625         */
5626        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5627
5628        /**
5629         * Specifies the package name currently configured to be the primary sms application
5630         * @hide
5631         */
5632        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5633
5634        /**
5635         * Specifies the package name currently configured to be the default dialer application
5636         * @hide
5637         */
5638        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5639
5640        /**
5641         * Specifies the package name currently configured to be the emergency assistance application
5642         *
5643         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5644         *
5645         * @hide
5646         */
5647        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5648
5649        /**
5650         * Specifies whether the current app context on scren (assist data) will be sent to the
5651         * assist application (active voice interaction service).
5652         *
5653         * @hide
5654         */
5655        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5656
5657        /**
5658         * Specifies whether a screenshot of the screen contents will be sent to the assist
5659         * application (active voice interaction service).
5660         *
5661         * @hide
5662         */
5663        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5664
5665        /**
5666         * Names of the service component that the current user has explicitly allowed to
5667         * see and change the importance of all of the user's notifications.
5668         *
5669         * @hide
5670         */
5671        public static final String ENABLED_NOTIFICATION_ASSISTANT
5672                = "enabled_notification_assistant";
5673
5674        /**
5675         * Names of the service components that the current user has explicitly allowed to
5676         * see all of the user's notifications, separated by ':'.
5677         *
5678         * @hide
5679         */
5680        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5681
5682        /**
5683         * Names of the packages that the current user has explicitly allowed to
5684         * manage notification policy configuration, separated by ':'.
5685         */
5686        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5687                "enabled_notification_policy_access_packages";
5688
5689        /** @hide */
5690        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5691
5692        /** @hide */
5693        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5694                = "volume_controller_service_component";
5695
5696        /** @hide */
5697        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5698
5699        /**
5700         * This is the query URI for finding a print service to install.
5701         *
5702         * @hide
5703         */
5704        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5705
5706        /**
5707         * This is the query URI for finding a NFC payment service to install.
5708         *
5709         * @hide
5710         */
5711        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5712
5713        /**
5714         * If enabled, apps should try to skip any introductory hints on first launch. This might
5715         * apply to users that are already familiar with the environment or temporary users.
5716         * <p>
5717         * Type : int (0 to show hints, 1 to skip showing hints)
5718         */
5719        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5720
5721        /**
5722         * Persisted playback time after a user confirmation of an unsafe volume level.
5723         *
5724         * @hide
5725         */
5726        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5727
5728        /**
5729         * This preference enables notification display on the lockscreen.
5730         * @hide
5731         */
5732        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5733                "lock_screen_show_notifications";
5734
5735        /**
5736         * List of TV inputs that are currently hidden. This is a string
5737         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5738         * {@link android.net.Uri#encode(String)} and separated by ':'.
5739         * @hide
5740         */
5741        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5742
5743        /**
5744         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5745         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5746         * and separated by ','. Each pair is separated by ':'.
5747         * @hide
5748         */
5749        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5750
5751        /**
5752         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5753         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5754         * and 0 means automatic routing is enabled.
5755         *
5756         * @hide
5757         */
5758        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5759                "usb_audio_automatic_routing_disabled";
5760
5761        /**
5762         * The timeout in milliseconds before the device fully goes to sleep after
5763         * a period of inactivity.  This value sets an upper bound on how long the device
5764         * will stay awake or dreaming without user activity.  It should generally
5765         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5766         * will sleep before it ever has a chance to dream.
5767         * <p>
5768         * Use -1 to disable this timeout.
5769         * </p>
5770         *
5771         * @hide
5772         */
5773        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5774
5775        /**
5776         * Controls whether double tap to wake is enabled.
5777         * @hide
5778         */
5779        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5780
5781        /**
5782         * The current assistant component. It could be a voice interaction service,
5783         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5784         * handling.
5785         *
5786         * @hide
5787         */
5788        public static final String ASSISTANT = "assistant";
5789
5790        /**
5791         * Whether the camera launch gesture should be disabled.
5792         *
5793         * @hide
5794         */
5795        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5796
5797        /**
5798         * Whether the camera launch gesture to double tap the power button when the screen is off
5799         * should be disabled.
5800         *
5801         * @hide
5802         */
5803        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5804                "camera_double_tap_power_gesture_disabled";
5805
5806        /**
5807         * Name of the package used as WebView provider (if unset the provider is instead determined
5808         * by the system).
5809         * @hide
5810         */
5811        public static final String WEBVIEW_PROVIDER = "webview_provider";
5812
5813        /**
5814         * This are the settings to be backed up.
5815         *
5816         * NOTE: Settings are backed up and restored in the order they appear
5817         *       in this array. If you have one setting depending on another,
5818         *       make sure that they are ordered appropriately.
5819         *
5820         * @hide
5821         */
5822        public static final String[] SETTINGS_TO_BACKUP = {
5823            BUGREPORT_IN_POWER_MENU,                            // moved to global
5824            ALLOW_MOCK_LOCATION,
5825            PARENTAL_CONTROL_ENABLED,
5826            PARENTAL_CONTROL_REDIRECT_URL,
5827            USB_MASS_STORAGE_ENABLED,                           // moved to global
5828            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
5829            ACCESSIBILITY_DISPLAY_DALTONIZER,
5830            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
5831            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
5832            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5833            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5834            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5835            ACCESSIBILITY_SCRIPT_INJECTION,
5836            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
5837            BACKUP_AUTO_RESTORE,
5838            ENABLED_ACCESSIBILITY_SERVICES,
5839            ENABLED_NOTIFICATION_LISTENERS,
5840            ENABLED_INPUT_METHODS,
5841            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5842            TOUCH_EXPLORATION_ENABLED,
5843            ACCESSIBILITY_ENABLED,
5844            ACCESSIBILITY_SPEAK_PASSWORD,
5845            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5846            ACCESSIBILITY_CAPTIONING_PRESET,
5847            ACCESSIBILITY_CAPTIONING_ENABLED,
5848            ACCESSIBILITY_CAPTIONING_LOCALE,
5849            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5850            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5851            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5852            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5853            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5854            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5855            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
5856            TTS_USE_DEFAULTS,
5857            TTS_DEFAULT_RATE,
5858            TTS_DEFAULT_PITCH,
5859            TTS_DEFAULT_SYNTH,
5860            TTS_DEFAULT_LANG,
5861            TTS_DEFAULT_COUNTRY,
5862            TTS_ENABLED_PLUGINS,
5863            TTS_DEFAULT_LOCALE,
5864            SHOW_IME_WITH_HARD_KEYBOARD,
5865            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5866            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5867            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5868            SELECTED_SPELL_CHECKER,
5869            SELECTED_SPELL_CHECKER_SUBTYPE,
5870            SPELL_CHECKER_ENABLED,
5871            MOUNT_PLAY_NOTIFICATION_SND,
5872            MOUNT_UMS_AUTOSTART,
5873            MOUNT_UMS_PROMPT,
5874            MOUNT_UMS_NOTIFY_ENABLED,
5875            UI_NIGHT_MODE,
5876            SLEEP_TIMEOUT,
5877            DOUBLE_TAP_TO_WAKE,
5878            WAKE_GESTURE_ENABLED,
5879            LONG_PRESS_TIMEOUT,
5880            CAMERA_GESTURE_DISABLED,
5881            ACCESSIBILITY_AUTOCLICK_ENABLED,
5882            ACCESSIBILITY_AUTOCLICK_DELAY,
5883            ACCESSIBILITY_LARGE_POINTER_ICON,
5884            PREFERRED_TTY_MODE,
5885            ENHANCED_VOICE_PRIVACY_ENABLED,
5886            TTY_MODE_ENABLED,
5887            INCALL_POWER_BUTTON_BEHAVIOR
5888        };
5889
5890        /**
5891         * These entries are considered common between the personal and the managed profile,
5892         * since the managed profile doesn't get to change them.
5893         */
5894        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5895
5896        static {
5897            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5898            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5899            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5900            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5901            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5902            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5903            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5904            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5905            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5906            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5907            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5908            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5909            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5910        }
5911
5912        /** @hide */
5913        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5914            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5915        }
5916
5917        /**
5918         * Helper method for determining if a location provider is enabled.
5919         *
5920         * @param cr the content resolver to use
5921         * @param provider the location provider to query
5922         * @return true if the provider is enabled
5923         *
5924         * @deprecated use {@link #LOCATION_MODE} or
5925         *             {@link LocationManager#isProviderEnabled(String)}
5926         */
5927        @Deprecated
5928        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5929            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5930        }
5931
5932        /**
5933         * Helper method for determining if a location provider is enabled.
5934         * @param cr the content resolver to use
5935         * @param provider the location provider to query
5936         * @param userId the userId to query
5937         * @return true if the provider is enabled
5938         * @deprecated use {@link #LOCATION_MODE} or
5939         *             {@link LocationManager#isProviderEnabled(String)}
5940         * @hide
5941         */
5942        @Deprecated
5943        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5944            String allowedProviders = Settings.Secure.getStringForUser(cr,
5945                    LOCATION_PROVIDERS_ALLOWED, userId);
5946            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5947        }
5948
5949        /**
5950         * Thread-safe method for enabling or disabling a single location provider.
5951         * @param cr the content resolver to use
5952         * @param provider the location provider to enable or disable
5953         * @param enabled true if the provider should be enabled
5954         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5955         */
5956        @Deprecated
5957        public static final void setLocationProviderEnabled(ContentResolver cr,
5958                String provider, boolean enabled) {
5959            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5960        }
5961
5962        /**
5963         * Thread-safe method for enabling or disabling a single location provider.
5964         *
5965         * @param cr the content resolver to use
5966         * @param provider the location provider to enable or disable
5967         * @param enabled true if the provider should be enabled
5968         * @param userId the userId for which to enable/disable providers
5969         * @return true if the value was set, false on database errors
5970         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5971         *             {@link #LOCATION_MODE}
5972         * @hide
5973         */
5974        @Deprecated
5975        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5976                String provider, boolean enabled, int userId) {
5977            synchronized (mLocationSettingsLock) {
5978                // to ensure thread safety, we write the provider name with a '+' or '-'
5979                // and let the SettingsProvider handle it rather than reading and modifying
5980                // the list of enabled providers.
5981                if (enabled) {
5982                    provider = "+" + provider;
5983                } else {
5984                    provider = "-" + provider;
5985                }
5986                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5987                        userId);
5988            }
5989        }
5990
5991        /**
5992         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
5993         */
5994        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
5995            final int mode = getLocationModeForUser(cr, userId);
5996            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
5997        }
5998
5999        /**
6000         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6001         */
6002        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6003            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6004                    LOCATION_MODE_HIGH_ACCURACY, userId);
6005            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6006            // turn on location any longer.
6007            if (mode == LOCATION_MODE_OFF) {
6008                mode = LOCATION_MODE_HIGH_ACCURACY;
6009            }
6010            return setLocationModeForUser(cr, mode, userId);
6011        }
6012
6013        /**
6014         * Thread-safe method for setting the location mode to one of
6015         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6016         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6017         *
6018         * @param cr the content resolver to use
6019         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6020         * @param userId the userId for which to change mode
6021         * @return true if the value was set, false on database errors
6022         *
6023         * @throws IllegalArgumentException if mode is not one of the supported values
6024         */
6025        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6026                int userId) {
6027            synchronized (mLocationSettingsLock) {
6028                boolean gps = false;
6029                boolean network = false;
6030                switch (mode) {
6031                    case LOCATION_MODE_PREVIOUS:
6032                        // Retrieve the actual mode and set to that mode.
6033                        return restoreLocationModeForUser(cr, userId);
6034                    case LOCATION_MODE_OFF:
6035                        saveLocationModeForUser(cr, userId);
6036                        break;
6037                    case LOCATION_MODE_SENSORS_ONLY:
6038                        gps = true;
6039                        break;
6040                    case LOCATION_MODE_BATTERY_SAVING:
6041                        network = true;
6042                        break;
6043                    case LOCATION_MODE_HIGH_ACCURACY:
6044                        gps = true;
6045                        network = true;
6046                        break;
6047                    default:
6048                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6049                }
6050                // Note it's important that we set the NLP mode first. The Google implementation
6051                // of NLP clears its NLP consent setting any time it receives a
6052                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6053                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6054                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6055                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6056                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6057                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6058                // dialog. Then the people who wrote the setup wizard would be sad.
6059                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6060                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6061                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6062                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6063                return gpsSuccess && nlpSuccess;
6064            }
6065        }
6066
6067        /**
6068         * Thread-safe method for reading the location mode, returns one of
6069         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6070         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6071         *
6072         * @param cr the content resolver to use
6073         * @param userId the userId for which to read the mode
6074         * @return the location mode
6075         */
6076        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6077            synchronized (mLocationSettingsLock) {
6078                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6079                        cr, LocationManager.GPS_PROVIDER, userId);
6080                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6081                        cr, LocationManager.NETWORK_PROVIDER, userId);
6082                if (gpsEnabled && networkEnabled) {
6083                    return LOCATION_MODE_HIGH_ACCURACY;
6084                } else if (gpsEnabled) {
6085                    return LOCATION_MODE_SENSORS_ONLY;
6086                } else if (networkEnabled) {
6087                    return LOCATION_MODE_BATTERY_SAVING;
6088                } else {
6089                    return LOCATION_MODE_OFF;
6090                }
6091            }
6092        }
6093    }
6094
6095    /**
6096     * Global system settings, containing preferences that always apply identically
6097     * to all defined users.  Applications can read these but are not allowed to write;
6098     * like the "Secure" settings, these are for preferences that the user must
6099     * explicitly modify through the system UI or specialized APIs for those values.
6100     */
6101    public static final class Global extends NameValueTable {
6102        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6103
6104        /**
6105         * The content:// style URL for global secure settings items.  Not public.
6106         */
6107        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6108
6109        /**
6110         * Whether users are allowed to add more users or guest from lockscreen.
6111         * <p>
6112         * Type: int
6113         * @hide
6114         */
6115        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6116
6117        /**
6118         * Setting whether the global gesture for enabling accessibility is enabled.
6119         * If this gesture is enabled the user will be able to perfrom it to enable
6120         * the accessibility state without visiting the settings app.
6121         * @hide
6122         */
6123        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6124                "enable_accessibility_global_gesture_enabled";
6125
6126        /**
6127         * Whether Airplane Mode is on.
6128         */
6129        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6130
6131        /**
6132         * Whether Theater Mode is on.
6133         * {@hide}
6134         */
6135        @SystemApi
6136        public static final String THEATER_MODE_ON = "theater_mode_on";
6137
6138        /**
6139         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6140         */
6141        public static final String RADIO_BLUETOOTH = "bluetooth";
6142
6143        /**
6144         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6145         */
6146        public static final String RADIO_WIFI = "wifi";
6147
6148        /**
6149         * {@hide}
6150         */
6151        public static final String RADIO_WIMAX = "wimax";
6152        /**
6153         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6154         */
6155        public static final String RADIO_CELL = "cell";
6156
6157        /**
6158         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6159         */
6160        public static final String RADIO_NFC = "nfc";
6161
6162        /**
6163         * A comma separated list of radios that need to be disabled when airplane mode
6164         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6165         * included in the comma separated list.
6166         */
6167        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6168
6169        /**
6170         * A comma separated list of radios that should to be disabled when airplane mode
6171         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6172         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6173         * will be turned off when entering airplane mode, but the user will be able to reenable
6174         * Wifi in the Settings app.
6175         *
6176         * {@hide}
6177         */
6178        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6179
6180        /**
6181         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6182         * See {@link android.bluetooth.BluetoothProfile}.
6183         * {@hide}
6184         */
6185        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6186
6187        /**
6188         * The policy for deciding when Wi-Fi should go to sleep (which will in
6189         * turn switch to using the mobile data as an Internet connection).
6190         * <p>
6191         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6192         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6193         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6194         */
6195        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6196
6197        /**
6198         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6199         * policy, which is to sleep shortly after the turning off
6200         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6201         */
6202        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6203
6204        /**
6205         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6206         * the device is on battery, and never go to sleep when the device is
6207         * plugged in.
6208         */
6209        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6210
6211        /**
6212         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6213         */
6214        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6215
6216        /**
6217         * Value to specify if the user prefers the date, time and time zone
6218         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6219         */
6220        public static final String AUTO_TIME = "auto_time";
6221
6222        /**
6223         * Value to specify if the user prefers the time zone
6224         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6225         */
6226        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6227
6228        /**
6229         * URI for the car dock "in" event sound.
6230         * @hide
6231         */
6232        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6233
6234        /**
6235         * URI for the car dock "out" event sound.
6236         * @hide
6237         */
6238        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6239
6240        /**
6241         * URI for the desk dock "in" event sound.
6242         * @hide
6243         */
6244        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6245
6246        /**
6247         * URI for the desk dock "out" event sound.
6248         * @hide
6249         */
6250        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6251
6252        /**
6253         * Whether to play a sound for dock events.
6254         * @hide
6255         */
6256        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6257
6258        /**
6259         * URI for the "device locked" (keyguard shown) sound.
6260         * @hide
6261         */
6262        public static final String LOCK_SOUND = "lock_sound";
6263
6264        /**
6265         * URI for the "device unlocked" sound.
6266         * @hide
6267         */
6268        public static final String UNLOCK_SOUND = "unlock_sound";
6269
6270        /**
6271         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6272         * state without unlocking.
6273         * @hide
6274         */
6275        public static final String TRUSTED_SOUND = "trusted_sound";
6276
6277        /**
6278         * URI for the low battery sound file.
6279         * @hide
6280         */
6281        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6282
6283        /**
6284         * Whether to play a sound for low-battery alerts.
6285         * @hide
6286         */
6287        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6288
6289        /**
6290         * URI for the "wireless charging started" sound.
6291         * @hide
6292         */
6293        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6294                "wireless_charging_started_sound";
6295
6296        /**
6297         * Whether to play a sound for charging events.
6298         * @hide
6299         */
6300        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6301
6302        /**
6303         * Whether we keep the device on while the device is plugged in.
6304         * Supported values are:
6305         * <ul>
6306         * <li>{@code 0} to never stay on while plugged in</li>
6307         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6308         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6309         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6310         * </ul>
6311         * These values can be OR-ed together.
6312         */
6313        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6314
6315        /**
6316         * When the user has enable the option to have a "bug report" command
6317         * in the power menu.
6318         * @hide
6319         */
6320        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6321
6322        /**
6323         * Whether ADB is enabled.
6324         */
6325        public static final String ADB_ENABLED = "adb_enabled";
6326
6327        /**
6328         * Whether Views are allowed to save their attribute data.
6329         * @hide
6330         */
6331        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6332
6333        /**
6334         * Whether assisted GPS should be enabled or not.
6335         * @hide
6336         */
6337        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6338
6339        /**
6340         * Whether bluetooth is enabled/disabled
6341         * 0=disabled. 1=enabled.
6342         */
6343        public static final String BLUETOOTH_ON = "bluetooth_on";
6344
6345        /**
6346         * CDMA Cell Broadcast SMS
6347         *                            0 = CDMA Cell Broadcast SMS disabled
6348         *                            1 = CDMA Cell Broadcast SMS enabled
6349         * @hide
6350         */
6351        public static final String CDMA_CELL_BROADCAST_SMS =
6352                "cdma_cell_broadcast_sms";
6353
6354        /**
6355         * The CDMA roaming mode 0 = Home Networks, CDMA default
6356         *                       1 = Roaming on Affiliated networks
6357         *                       2 = Roaming on any networks
6358         * @hide
6359         */
6360        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6361
6362        /**
6363         * The CDMA subscription mode 0 = RUIM/SIM (default)
6364         *                                1 = NV
6365         * @hide
6366         */
6367        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6368
6369        /** Inactivity timeout to track mobile data activity.
6370        *
6371        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6372        * infer the data activity of mobile network. After a period of no activity on mobile
6373        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6374        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6375        * subsequent activity on mobile networks triggers the firing of {@code
6376        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6377        *
6378        * Network activity refers to transmitting or receiving data on the network interfaces.
6379        *
6380        * Tracking is disabled if set to zero or negative value.
6381        *
6382        * @hide
6383        */
6384       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6385
6386       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6387        * but for Wifi network.
6388        * @hide
6389        */
6390       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6391
6392       /**
6393        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6394        */
6395       public static final String DATA_ROAMING = "data_roaming";
6396
6397       /**
6398        * The value passed to a Mobile DataConnection via bringUp which defines the
6399        * number of retries to preform when setting up the initial connection. The default
6400        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6401        * @hide
6402        */
6403       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6404
6405       /**
6406        * Whether any package can be on external storage. When this is true, any
6407        * package, regardless of manifest values, is a candidate for installing
6408        * or moving onto external storage. (0 = false, 1 = true)
6409        * @hide
6410        */
6411       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6412
6413        /**
6414         * Whether any activity can be resized. When this is true, any
6415         * activity, regardless of manifest values, can be resized for multi-window.
6416         * (0 = false, 1 = true)
6417         * @hide
6418         */
6419        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6420                = "force_resizable_activities";
6421
6422        /**
6423         * Whether to enable experimental freeform support for windows.
6424         * @hide
6425         */
6426        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6427                = "enable_freeform_support";
6428
6429       /**
6430        * Whether user has enabled development settings.
6431        */
6432       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6433
6434       /**
6435        * Whether the device has been provisioned (0 = false, 1 = true).
6436        * <p>On a multiuser device with a separate system user, the screen may be locked
6437        * as soon as this is set to true and further activities cannot be launched on the
6438        * system user unless they are marked to show over keyguard.
6439        */
6440       public static final String DEVICE_PROVISIONED = "device_provisioned";
6441
6442       /**
6443        * The saved value for WindowManagerService.setForcedDisplayDensity().
6444        * One integer in dpi.  If unset, then use the real display density.
6445        * @hide
6446        */
6447       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6448
6449       /**
6450        * The saved value for WindowManagerService.setForcedDisplaySize().
6451        * Two integers separated by a comma.  If unset, then use the real display size.
6452        * @hide
6453        */
6454       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6455
6456       /**
6457        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6458        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6459        * @hide
6460        */
6461       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6462
6463       /**
6464        * The maximum size, in bytes, of a download that the download manager will transfer over
6465        * a non-wifi connection.
6466        * @hide
6467        */
6468       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6469               "download_manager_max_bytes_over_mobile";
6470
6471       /**
6472        * The recommended maximum size, in bytes, of a download that the download manager should
6473        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6474        * have the option to start the download over the mobile connection anyway.
6475        * @hide
6476        */
6477       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6478               "download_manager_recommended_max_bytes_over_mobile";
6479
6480       /**
6481        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6482        */
6483       @Deprecated
6484       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6485
6486       /**
6487        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6488        * sent or processed. (0 = false, 1 = true)
6489        * @hide
6490        */
6491       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6492
6493       /**
6494        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6495        * and the output is redirected to AV Receiver connected via
6496        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6497        * @hide
6498        */
6499       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6500
6501       /**
6502        * Whether TV will automatically turn on upon reception of the CEC command
6503        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6504        * @hide
6505        */
6506       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6507               "hdmi_control_auto_wakeup_enabled";
6508
6509       /**
6510        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6511        * (0 = false, 1 = true)
6512        * @hide
6513        */
6514       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6515               "hdmi_control_auto_device_off_enabled";
6516
6517       /**
6518        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6519        * client.
6520        * (0 = false, 1 = true)
6521        * @hide
6522        */
6523       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6524
6525       /**
6526        * Whether TV will switch to MHL port when a mobile device is plugged in.
6527        * (0 = false, 1 = true)
6528        * @hide
6529        */
6530       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6531
6532       /**
6533        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6534        * @hide
6535        */
6536       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6537
6538       /**
6539        * Whether mobile data connections are allowed by the user.  See
6540        * ConnectivityManager for more info.
6541        * @hide
6542        */
6543       public static final String MOBILE_DATA = "mobile_data";
6544
6545       /**
6546        * Whether the mobile data connection should remain active even when higher
6547        * priority networks like WiFi are active, to help make network switching faster.
6548        *
6549        * See ConnectivityService for more info.
6550        *
6551        * (0 = disabled, 1 = enabled)
6552        * @hide
6553        */
6554       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6555
6556       /** {@hide} */
6557       public static final String NETSTATS_ENABLED = "netstats_enabled";
6558       /** {@hide} */
6559       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6560       /** {@hide} */
6561       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6562       /** {@hide} */
6563       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6564       /** {@hide} */
6565       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6566
6567       /** {@hide} */
6568       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6569       /** {@hide} */
6570       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6571       /** {@hide} */
6572       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6573       /** {@hide} */
6574       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6575
6576       /** {@hide} */
6577       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6578       /** {@hide} */
6579       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6580       /** {@hide} */
6581       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6582       /** {@hide} */
6583       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6584
6585       /** {@hide} */
6586       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6587       /** {@hide} */
6588       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6589       /** {@hide} */
6590       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6591       /** {@hide} */
6592       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6593
6594       /**
6595        * User preference for which network(s) should be used. Only the
6596        * connectivity service should touch this.
6597        */
6598       public static final String NETWORK_PREFERENCE = "network_preference";
6599
6600       /**
6601        * Which package name to use for network scoring. If null, or if the package is not a valid
6602        * scorer app, external network scores will neither be requested nor accepted.
6603        * @hide
6604        */
6605       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6606
6607       /**
6608        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6609        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6610        * exceeded.
6611        * @hide
6612        */
6613       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6614
6615       /**
6616        * The length of time in milli-seconds that automatic small adjustments to
6617        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6618        * @hide
6619        */
6620       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6621
6622       /** Preferred NTP server. {@hide} */
6623       public static final String NTP_SERVER = "ntp_server";
6624       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6625       public static final String NTP_TIMEOUT = "ntp_timeout";
6626
6627       /** {@hide} */
6628       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6629
6630       /**
6631        * Whether the package manager should send package verification broadcasts for verifiers to
6632        * review apps prior to installation.
6633        * 1 = request apps to be verified prior to installation, if a verifier exists.
6634        * 0 = do not verify apps before installation
6635        * @hide
6636        */
6637       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6638
6639       /** Timeout for package verification.
6640        * @hide */
6641       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6642
6643       /** Default response code for package verification.
6644        * @hide */
6645       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6646
6647       /**
6648        * Show package verification setting in the Settings app.
6649        * 1 = show (default)
6650        * 0 = hide
6651        * @hide
6652        */
6653       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6654
6655       /**
6656        * Run package verification on apps installed through ADB/ADT/USB
6657        * 1 = perform package verification on ADB installs (default)
6658        * 0 = bypass package verification on ADB installs
6659        * @hide
6660        */
6661       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6662
6663       /**
6664        * Time since last fstrim (milliseconds) after which we force one to happen
6665        * during device startup.  If unset, the default is 3 days.
6666        * @hide
6667        */
6668       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6669
6670       /**
6671        * The interval in milliseconds at which to check packet counts on the
6672        * mobile data interface when screen is on, to detect possible data
6673        * connection problems.
6674        * @hide
6675        */
6676       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6677               "pdp_watchdog_poll_interval_ms";
6678
6679       /**
6680        * The interval in milliseconds at which to check packet counts on the
6681        * mobile data interface when screen is off, to detect possible data
6682        * connection problems.
6683        * @hide
6684        */
6685       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6686               "pdp_watchdog_long_poll_interval_ms";
6687
6688       /**
6689        * The interval in milliseconds at which to check packet counts on the
6690        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6691        * outgoing packets has been reached without incoming packets.
6692        * @hide
6693        */
6694       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6695               "pdp_watchdog_error_poll_interval_ms";
6696
6697       /**
6698        * The number of outgoing packets sent without seeing an incoming packet
6699        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6700        * device is logged to the event log
6701        * @hide
6702        */
6703       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6704               "pdp_watchdog_trigger_packet_count";
6705
6706       /**
6707        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6708        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6709        * attempting data connection recovery.
6710        * @hide
6711        */
6712       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6713               "pdp_watchdog_error_poll_count";
6714
6715       /**
6716        * The number of failed PDP reset attempts before moving to something more
6717        * drastic: re-registering to the network.
6718        * @hide
6719        */
6720       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6721               "pdp_watchdog_max_pdp_reset_fail_count";
6722
6723       /**
6724        * A positive value indicates how often the SamplingProfiler
6725        * should take snapshots. Zero value means SamplingProfiler
6726        * is disabled.
6727        *
6728        * @hide
6729        */
6730       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6731
6732       /**
6733        * URL to open browser on to allow user to manage a prepay account
6734        * @hide
6735        */
6736       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6737               "setup_prepaid_data_service_url";
6738
6739       /**
6740        * URL to attempt a GET on to see if this is a prepay device
6741        * @hide
6742        */
6743       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6744               "setup_prepaid_detection_target_url";
6745
6746       /**
6747        * Host to check for a redirect to after an attempt to GET
6748        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6749        * this is a prepaid device with zero balance.)
6750        * @hide
6751        */
6752       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6753               "setup_prepaid_detection_redir_host";
6754
6755       /**
6756        * The interval in milliseconds at which to check the number of SMS sent out without asking
6757        * for use permit, to limit the un-authorized SMS usage.
6758        *
6759        * @hide
6760        */
6761       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6762               "sms_outgoing_check_interval_ms";
6763
6764       /**
6765        * The number of outgoing SMS sent without asking for user permit (of {@link
6766        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6767        *
6768        * @hide
6769        */
6770       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6771               "sms_outgoing_check_max_count";
6772
6773       /**
6774        * Used to disable SMS short code confirmation - defaults to true.
6775        * True indcates we will do the check, etc.  Set to false to disable.
6776        * @see com.android.internal.telephony.SmsUsageMonitor
6777        * @hide
6778        */
6779       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6780
6781        /**
6782         * Used to select which country we use to determine premium sms codes.
6783         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6784         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6785         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6786         * @hide
6787         */
6788        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6789
6790       /**
6791        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6792        * @hide
6793        */
6794       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6795
6796       /**
6797        * Used to disable Tethering on a device - defaults to true
6798        * @hide
6799        */
6800       public static final String TETHER_SUPPORTED = "tether_supported";
6801
6802       /**
6803        * Used to require DUN APN on the device or not - defaults to a build config value
6804        * which defaults to false
6805        * @hide
6806        */
6807       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6808
6809       /**
6810        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6811        * corresponding build config values are set it will override the APN DB
6812        * values.
6813        * Consists of a comma seperated list of strings:
6814        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6815        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6816        * @hide
6817        */
6818       public static final String TETHER_DUN_APN = "tether_dun_apn";
6819
6820       /**
6821        * USB Mass Storage Enabled
6822        */
6823       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6824
6825       /**
6826        * If this setting is set (to anything), then all references
6827        * to Gmail on the device must change to Google Mail.
6828        */
6829       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6830
6831        /**
6832         * Webview Data reduction proxy key.
6833         * @hide
6834         */
6835        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6836                "webview_data_reduction_proxy_key";
6837
6838       /**
6839        * Whether Wifi display is enabled/disabled
6840        * 0=disabled. 1=enabled.
6841        * @hide
6842        */
6843       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6844
6845       /**
6846        * Whether Wifi display certification mode is enabled/disabled
6847        * 0=disabled. 1=enabled.
6848        * @hide
6849        */
6850       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6851               "wifi_display_certification_on";
6852
6853       /**
6854        * WPS Configuration method used by Wifi display, this setting only
6855        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6856        *
6857        * Possible values are:
6858        *
6859        * WpsInfo.INVALID: use default WPS method chosen by framework
6860        * WpsInfo.PBC    : use Push button
6861        * WpsInfo.KEYPAD : use Keypad
6862        * WpsInfo.DISPLAY: use Display
6863        * @hide
6864        */
6865       public static final String WIFI_DISPLAY_WPS_CONFIG =
6866           "wifi_display_wps_config";
6867
6868       /**
6869        * Whether to notify the user of open networks.
6870        * <p>
6871        * If not connected and the scan results have an open network, we will
6872        * put this notification up. If we attempt to connect to a network or
6873        * the open network(s) disappear, we remove the notification. When we
6874        * show the notification, we will not show it again for
6875        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6876        */
6877       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6878               "wifi_networks_available_notification_on";
6879       /**
6880        * {@hide}
6881        */
6882       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6883               "wimax_networks_available_notification_on";
6884
6885       /**
6886        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6887        * Connecting to a network will reset the timer.
6888        */
6889       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6890               "wifi_networks_available_repeat_delay";
6891
6892       /**
6893        * 802.11 country code in ISO 3166 format
6894        * @hide
6895        */
6896       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6897
6898       /**
6899        * The interval in milliseconds to issue wake up scans when wifi needs
6900        * to connect. This is necessary to connect to an access point when
6901        * device is on the move and the screen is off.
6902        * @hide
6903        */
6904       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6905               "wifi_framework_scan_interval_ms";
6906
6907       /**
6908        * The interval in milliseconds after which Wi-Fi is considered idle.
6909        * When idle, it is possible for the device to be switched from Wi-Fi to
6910        * the mobile data network.
6911        * @hide
6912        */
6913       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6914
6915       /**
6916        * When the number of open networks exceeds this number, the
6917        * least-recently-used excess networks will be removed.
6918        */
6919       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6920
6921       /**
6922        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6923        */
6924       public static final String WIFI_ON = "wifi_on";
6925
6926       /**
6927        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6928        * @hide
6929        */
6930       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6931                "wifi_scan_always_enabled";
6932
6933       /**
6934        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6935        * connectivity.
6936        * @hide
6937        */
6938       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6939               "ble_scan_always_enabled";
6940
6941       /**
6942        * Used to save the Wifi_ON state prior to tethering.
6943        * This state will be checked to restore Wifi after
6944        * the user turns off tethering.
6945        *
6946        * @hide
6947        */
6948       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6949
6950       /**
6951        * The interval in milliseconds to scan as used by the wifi supplicant
6952        * @hide
6953        */
6954       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6955               "wifi_supplicant_scan_interval_ms";
6956
6957        /**
6958         * whether frameworks handles wifi auto-join
6959         * @hide
6960         */
6961       public static final String WIFI_ENHANCED_AUTO_JOIN =
6962                "wifi_enhanced_auto_join";
6963
6964        /**
6965         * whether settings show RSSI
6966         * @hide
6967         */
6968        public static final String WIFI_NETWORK_SHOW_RSSI =
6969                "wifi_network_show_rssi";
6970
6971        /**
6972        * The interval in milliseconds to scan at supplicant when p2p is connected
6973        * @hide
6974        */
6975       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6976               "wifi_scan_interval_p2p_connected_ms";
6977
6978       /**
6979        * Whether the Wi-Fi watchdog is enabled.
6980        */
6981       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6982
6983       /**
6984        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6985        * the setting needs to be set to 0 to disable it.
6986        * @hide
6987        */
6988       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6989               "wifi_watchdog_poor_network_test_enabled";
6990
6991       /**
6992        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6993        * needs to be set to 0 to disable it.
6994        * @hide
6995        */
6996       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6997               "wifi_suspend_optimizations_enabled";
6998
6999       /**
7000        * The maximum number of times we will retry a connection to an access
7001        * point for which we have failed in acquiring an IP address from DHCP.
7002        * A value of N means that we will make N+1 connection attempts in all.
7003        */
7004       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7005
7006       /**
7007        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7008        * data connectivity to be established after a disconnect from Wi-Fi.
7009        */
7010       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7011           "wifi_mobile_data_transition_wakelock_timeout_ms";
7012
7013       /**
7014        * This setting controls whether WiFi configurations created by a Device Owner app
7015        * should be locked down (that is, be editable or removable only by the Device Owner App,
7016        * not even by Settings app).
7017        * This setting takes integer values. Non-zero values mean DO created configurations
7018        * are locked down. Value of zero means they are not. Default value in the absence of
7019        * actual value to this setting is 0.
7020        */
7021       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7022               "wifi_device_owner_configs_lockdown";
7023
7024       /**
7025        * The operational wifi frequency band
7026        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7027        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7028        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7029        *
7030        * @hide
7031        */
7032       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7033
7034       /**
7035        * The Wi-Fi peer-to-peer device name
7036        * @hide
7037        */
7038       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7039
7040       /**
7041        * The min time between wifi disable and wifi enable
7042        * @hide
7043        */
7044       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7045
7046       /**
7047        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7048        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7049        * has been seen in this time period.
7050        *
7051        * If this is less than or equal to zero, we use a more conservative behavior and only check
7052        * for a non-null score from the currently connected or target BSSID.
7053        * @hide
7054        */
7055       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7056               "wifi_ephemeral_out_of_range_timeout_ms";
7057
7058       /**
7059        * The number of milliseconds to delay when checking for data stalls during
7060        * non-aggressive detection. (screen is turned off.)
7061        * @hide
7062        */
7063       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7064               "data_stall_alarm_non_aggressive_delay_in_ms";
7065
7066       /**
7067        * The number of milliseconds to delay when checking for data stalls during
7068        * aggressive detection. (screen on or suspected data stall)
7069        * @hide
7070        */
7071       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7072               "data_stall_alarm_aggressive_delay_in_ms";
7073
7074       /**
7075        * The number of milliseconds to allow the provisioning apn to remain active
7076        * @hide
7077        */
7078       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7079               "provisioning_apn_alarm_delay_in_ms";
7080
7081       /**
7082        * The interval in milliseconds at which to check gprs registration
7083        * after the first registration mismatch of gprs and voice service,
7084        * to detect possible data network registration problems.
7085        *
7086        * @hide
7087        */
7088       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7089               "gprs_register_check_period_ms";
7090
7091       /**
7092        * Nonzero causes Log.wtf() to crash.
7093        * @hide
7094        */
7095       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7096
7097       /**
7098        * Ringer mode. This is used internally, changing this value will not
7099        * change the ringer mode. See AudioManager.
7100        */
7101       public static final String MODE_RINGER = "mode_ringer";
7102
7103       /**
7104        * Overlay display devices setting.
7105        * The associated value is a specially formatted string that describes the
7106        * size and density of simulated secondary display devices.
7107        * <p>
7108        * Format: {width}x{height}/{dpi};...
7109        * </p><p>
7110        * Example:
7111        * <ul>
7112        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7113        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7114        * at 1080p and the second at 720p.</li>
7115        * <li>If the value is empty, then no overlay display devices are created.</li>
7116        * </ul></p>
7117        *
7118        * @hide
7119        */
7120       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7121
7122        /**
7123         * Threshold values for the duration and level of a discharge cycle,
7124         * under which we log discharge cycle info.
7125         *
7126         * @hide
7127         */
7128        public static final String
7129                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7130
7131        /** @hide */
7132        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7133
7134        /**
7135         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7136         * intents on application crashes and ANRs. If this is disabled, the
7137         * crash/ANR dialog will never display the "Report" button.
7138         * <p>
7139         * Type: int (0 = disallow, 1 = allow)
7140         *
7141         * @hide
7142         */
7143        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7144
7145        /**
7146         * Maximum age of entries kept by {@link DropBoxManager}.
7147         *
7148         * @hide
7149         */
7150        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7151
7152        /**
7153         * Maximum number of entry files which {@link DropBoxManager} will keep
7154         * around.
7155         *
7156         * @hide
7157         */
7158        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7159
7160        /**
7161         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7162         * what.
7163         *
7164         * @hide
7165         */
7166        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7167
7168        /**
7169         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7170         * will use.
7171         *
7172         * @hide
7173         */
7174        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7175
7176        /**
7177         * Percent of total disk which {@link DropBoxManager} will never dip
7178         * into.
7179         *
7180         * @hide
7181         */
7182        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7183
7184        /**
7185         * Prefix for per-tag dropbox disable/enable settings.
7186         *
7187         * @hide
7188         */
7189        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7190
7191        /**
7192         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7193         * prefix of the dropbox tag of the report type. For example,
7194         * "logcat_for_system_server_anr" controls the lines of logcat captured
7195         * with system server ANR reports. 0 to disable.
7196         *
7197         * @hide
7198         */
7199        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7200
7201        /**
7202         * The interval in minutes after which the amount of free storage left
7203         * on the device is logged to the event log
7204         *
7205         * @hide
7206         */
7207        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7208
7209        /**
7210         * Threshold for the amount of change in disk free space required to
7211         * report the amount of free space. Used to prevent spamming the logs
7212         * when the disk free space isn't changing frequently.
7213         *
7214         * @hide
7215         */
7216        public static final String
7217                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7218
7219        /**
7220         * Minimum percentage of free storage on the device that is used to
7221         * determine if the device is running low on storage. The default is 10.
7222         * <p>
7223         * Say this value is set to 10, the device is considered running low on
7224         * storage if 90% or more of the device storage is filled up.
7225         *
7226         * @hide
7227         */
7228        public static final String
7229                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7230
7231        /**
7232         * Maximum byte size of the low storage threshold. This is to ensure
7233         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7234         * overly large threshold for large storage devices. Currently this must
7235         * be less than 2GB. This default is 500MB.
7236         *
7237         * @hide
7238         */
7239        public static final String
7240                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7241
7242        /**
7243         * Minimum bytes of free storage on the device before the data partition
7244         * is considered full. By default, 1 MB is reserved to avoid system-wide
7245         * SQLite disk full exceptions.
7246         *
7247         * @hide
7248         */
7249        public static final String
7250                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7251
7252        /**
7253         * The maximum reconnect delay for short network outages or when the
7254         * network is suspended due to phone use.
7255         *
7256         * @hide
7257         */
7258        public static final String
7259                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7260
7261        /**
7262         * The number of milliseconds to delay before sending out
7263         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7264         *
7265         * @hide
7266         */
7267        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7268
7269
7270        /**
7271         * Network sampling interval, in seconds. We'll generate link information
7272         * about bytes/packets sent and error rates based on data sampled in this interval
7273         *
7274         * @hide
7275         */
7276
7277        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7278                "connectivity_sampling_interval_in_seconds";
7279
7280        /**
7281         * The series of successively longer delays used in retrying to download PAC file.
7282         * Last delay is used between successful PAC downloads.
7283         *
7284         * @hide
7285         */
7286        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7287
7288        /**
7289         * Setting to turn off captive portal detection. Feature is enabled by
7290         * default and the setting needs to be set to 0 to disable it.
7291         *
7292         * @hide
7293         */
7294        public static final String
7295                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7296
7297        /**
7298         * The server used for captive portal detection upon a new conection. A
7299         * 204 response code from the server is used for validation.
7300         *
7301         * @hide
7302         */
7303        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7304
7305        /**
7306         * Whether network service discovery is enabled.
7307         *
7308         * @hide
7309         */
7310        public static final String NSD_ON = "nsd_on";
7311
7312        /**
7313         * Let user pick default install location.
7314         *
7315         * @hide
7316         */
7317        public static final String SET_INSTALL_LOCATION = "set_install_location";
7318
7319        /**
7320         * Default install location value.
7321         * 0 = auto, let system decide
7322         * 1 = internal
7323         * 2 = sdcard
7324         * @hide
7325         */
7326        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7327
7328        /**
7329         * ms during which to consume extra events related to Inet connection
7330         * condition after a transtion to fully-connected
7331         *
7332         * @hide
7333         */
7334        public static final String
7335                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7336
7337        /**
7338         * ms during which to consume extra events related to Inet connection
7339         * condtion after a transtion to partly-connected
7340         *
7341         * @hide
7342         */
7343        public static final String
7344                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7345
7346        /** {@hide} */
7347        public static final String
7348                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7349
7350        /**
7351         * Host name and port for global http proxy. Uses ':' seperator for
7352         * between host and port.
7353         */
7354        public static final String HTTP_PROXY = "http_proxy";
7355
7356        /**
7357         * Host name for global http proxy. Set via ConnectivityManager.
7358         *
7359         * @hide
7360         */
7361        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7362
7363        /**
7364         * Integer host port for global http proxy. Set via ConnectivityManager.
7365         *
7366         * @hide
7367         */
7368        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7369
7370        /**
7371         * Exclusion list for global proxy. This string contains a list of
7372         * comma-separated domains where the global proxy does not apply.
7373         * Domains should be listed in a comma- separated list. Example of
7374         * acceptable formats: ".domain1.com,my.domain2.com" Use
7375         * ConnectivityManager to set/get.
7376         *
7377         * @hide
7378         */
7379        public static final String
7380                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7381
7382        /**
7383         * The location PAC File for the proxy.
7384         * @hide
7385         */
7386        public static final String
7387                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7388
7389        /**
7390         * Enables the UI setting to allow the user to specify the global HTTP
7391         * proxy and associated exclusion list.
7392         *
7393         * @hide
7394         */
7395        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7396
7397        /**
7398         * Setting for default DNS in case nobody suggests one
7399         *
7400         * @hide
7401         */
7402        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7403
7404        /** {@hide} */
7405        public static final String
7406                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7407        /** {@hide} */
7408        public static final String
7409                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7410        /** {@hide} */
7411        public static final String
7412                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7413        /** {@hide} */
7414        public static final String
7415                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7416        /** {@hide} */
7417        public static final String
7418                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7419
7420        /**
7421         * Device Idle (Doze) specific settings.
7422         * This is encoded as a key=value list, separated by commas. Ex:
7423         *
7424         * "inactive_timeout=60000,sensing_timeout=400000"
7425         *
7426         * The following keys are supported:
7427         *
7428         * <pre>
7429         * inactive_to                      (long)
7430         * sensing_to                       (long)
7431         * motion_inactive_to               (long)
7432         * idle_after_inactive_to           (long)
7433         * idle_pending_to                  (long)
7434         * max_idle_pending_to              (long)
7435         * idle_pending_factor              (float)
7436         * idle_to                          (long)
7437         * max_idle_to                      (long)
7438         * idle_factor                      (float)
7439         * min_time_to_alarm                (long)
7440         * max_temp_app_whitelist_duration  (long)
7441         * </pre>
7442         *
7443         * <p>
7444         * Type: string
7445         * @hide
7446         * @see com.android.server.DeviceIdleController.Constants
7447         */
7448        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7449
7450        /**
7451         * App standby (app idle) specific settings.
7452         * This is encoded as a key=value list, separated by commas. Ex:
7453         *
7454         * "idle_duration=5000,parole_interval=4500"
7455         *
7456         * The following keys are supported:
7457         *
7458         * <pre>
7459         * idle_duration        (long)
7460         * wallclock_threshold  (long)
7461         * parole_interval      (long)
7462         * parole_duration      (long)
7463         * </pre>
7464         *
7465         * <p>
7466         * Type: string
7467         * @hide
7468         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7469         */
7470        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7471
7472        /**
7473         * Alarm manager specific settings.
7474         * This is encoded as a key=value list, separated by commas. Ex:
7475         *
7476         * "min_futurity=5000,allow_while_idle_short_time=4500"
7477         *
7478         * The following keys are supported:
7479         *
7480         * <pre>
7481         * min_futurity                         (long)
7482         * min_interval                         (long)
7483         * allow_while_idle_short_time          (long)
7484         * allow_while_idle_long_time           (long)
7485         * allow_while_idle_whitelist_duration  (long)
7486         * </pre>
7487         *
7488         * <p>
7489         * Type: string
7490         * @hide
7491         * @see com.android.server.AlarmManagerService.Constants
7492         */
7493        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7494
7495        /**
7496         * Get the key that retrieves a bluetooth headset's priority.
7497         * @hide
7498         */
7499        public static final String getBluetoothHeadsetPriorityKey(String address) {
7500            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7501        }
7502
7503        /**
7504         * Get the key that retrieves a bluetooth a2dp sink's priority.
7505         * @hide
7506         */
7507        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7508            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7509        }
7510
7511        /**
7512         * Get the key that retrieves a bluetooth Input Device's priority.
7513         * @hide
7514         */
7515        public static final String getBluetoothInputDevicePriorityKey(String address) {
7516            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7517        }
7518
7519        /**
7520         * Get the key that retrieves a bluetooth map priority.
7521         * @hide
7522         */
7523        public static final String getBluetoothMapPriorityKey(String address) {
7524            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7525        }
7526
7527        /**
7528         * Get the key that retrieves a bluetooth map priority.
7529         * @hide
7530         */
7531        public static final String getBluetoothSapPriorityKey(String address) {
7532            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7533        }
7534
7535        /**
7536         * Scaling factor for normal window animations. Setting to 0 will
7537         * disable window animations.
7538         */
7539        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7540
7541        /**
7542         * Scaling factor for activity transition animations. Setting to 0 will
7543         * disable window animations.
7544         */
7545        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7546
7547        /**
7548         * Scaling factor for Animator-based animations. This affects both the
7549         * start delay and duration of all such animations. Setting to 0 will
7550         * cause animations to end immediately. The default value is 1.
7551         */
7552        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7553
7554        /**
7555         * Scaling factor for normal window animations. Setting to 0 will
7556         * disable window animations.
7557         *
7558         * @hide
7559         */
7560        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7561
7562        /**
7563         * If 0, the compatibility mode is off for all applications.
7564         * If 1, older applications run under compatibility mode.
7565         * TODO: remove this settings before code freeze (bug/1907571)
7566         * @hide
7567         */
7568        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7569
7570        /**
7571         * CDMA only settings
7572         * Emergency Tone  0 = Off
7573         *                 1 = Alert
7574         *                 2 = Vibrate
7575         * @hide
7576         */
7577        public static final String EMERGENCY_TONE = "emergency_tone";
7578
7579        /**
7580         * CDMA only settings
7581         * Whether the auto retry is enabled. The value is
7582         * boolean (1 or 0).
7583         * @hide
7584         */
7585        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7586
7587        /**
7588         * See RIL_PreferredNetworkType in ril.h
7589         * @hide
7590         */
7591        public static final String PREFERRED_NETWORK_MODE =
7592                "preferred_network_mode";
7593
7594        /**
7595         * Name of an application package to be debugged.
7596         */
7597        public static final String DEBUG_APP = "debug_app";
7598
7599        /**
7600         * If 1, when launching DEBUG_APP it will wait for the debugger before
7601         * starting user code.  If 0, it will run normally.
7602         */
7603        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7604
7605        /**
7606         * Control whether the process CPU usage meter should be shown.
7607         */
7608        public static final String SHOW_PROCESSES = "show_processes";
7609
7610        /**
7611         * If 1 low power mode is enabled.
7612         * @hide
7613         */
7614        public static final String LOW_POWER_MODE = "low_power";
7615
7616        /**
7617         * Battery level [1-99] at which low power mode automatically turns on.
7618         * If 0, it will not automatically turn on.
7619         * @hide
7620         */
7621        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7622
7623         /**
7624         * If 1, the activity manager will aggressively finish activities and
7625         * processes as soon as they are no longer needed.  If 0, the normal
7626         * extended lifetime is used.
7627         */
7628        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7629
7630        /**
7631         * Use Dock audio output for media:
7632         *      0 = disabled
7633         *      1 = enabled
7634         * @hide
7635         */
7636        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7637
7638        /**
7639         * Persisted safe headphone volume management state by AudioService
7640         * @hide
7641         */
7642        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7643
7644        /**
7645         * URL for tzinfo (time zone) updates
7646         * @hide
7647         */
7648        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7649
7650        /**
7651         * URL for tzinfo (time zone) update metadata
7652         * @hide
7653         */
7654        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7655
7656        /**
7657         * URL for selinux (mandatory access control) updates
7658         * @hide
7659         */
7660        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7661
7662        /**
7663         * URL for selinux (mandatory access control) update metadata
7664         * @hide
7665         */
7666        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7667
7668        /**
7669         * URL for sms short code updates
7670         * @hide
7671         */
7672        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7673                "sms_short_codes_content_url";
7674
7675        /**
7676         * URL for sms short code update metadata
7677         * @hide
7678         */
7679        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7680                "sms_short_codes_metadata_url";
7681
7682        /**
7683         * URL for apn_db updates
7684         * @hide
7685         */
7686        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7687
7688        /**
7689         * URL for apn_db update metadata
7690         * @hide
7691         */
7692        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7693
7694        /**
7695         * URL for cert pinlist updates
7696         * @hide
7697         */
7698        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7699
7700        /**
7701         * URL for cert pinlist updates
7702         * @hide
7703         */
7704        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7705
7706        /**
7707         * URL for intent firewall updates
7708         * @hide
7709         */
7710        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7711                "intent_firewall_content_url";
7712
7713        /**
7714         * URL for intent firewall update metadata
7715         * @hide
7716         */
7717        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7718                "intent_firewall_metadata_url";
7719
7720        /**
7721         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7722         * @hide
7723         */
7724        public static final String SELINUX_STATUS = "selinux_status";
7725
7726        /**
7727         * Developer setting to force RTL layout.
7728         * @hide
7729         */
7730        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7731
7732        /**
7733         * Milliseconds after screen-off after which low battery sounds will be silenced.
7734         *
7735         * If zero, battery sounds will always play.
7736         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7737         *
7738         * @hide
7739         */
7740        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7741
7742        /**
7743         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7744         * the caller is done with this, they should call {@link ContentResolver#delete} to
7745         * clean up any value that they may have written.
7746         *
7747         * @hide
7748         */
7749        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7750
7751        /**
7752         * Defines global runtime overrides to window policy.
7753         *
7754         * See {@link com.android.server.policy.PolicyControl} for value format.
7755         *
7756         * @hide
7757         */
7758        public static final String POLICY_CONTROL = "policy_control";
7759
7760        /**
7761         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7762         * or ZEN_MODE_NO_INTERRUPTIONS.
7763         *
7764         * @hide
7765         */
7766        public static final String ZEN_MODE = "zen_mode";
7767
7768        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7769        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7770        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7771        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7772
7773        /** @hide */ public static String zenModeToString(int mode) {
7774            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7775            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7776            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7777            return "ZEN_MODE_OFF";
7778        }
7779
7780        /** @hide */ public static boolean isValidZenMode(int value) {
7781            switch (value) {
7782                case Global.ZEN_MODE_OFF:
7783                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7784                case Global.ZEN_MODE_ALARMS:
7785                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7786                    return true;
7787                default:
7788                    return false;
7789            }
7790        }
7791
7792        /**
7793         * Value of the ringer before entering zen mode.
7794         *
7795         * @hide
7796         */
7797        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7798
7799        /**
7800         * Opaque value, changes when persisted zen mode configuration changes.
7801         *
7802         * @hide
7803         */
7804        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7805
7806        /**
7807         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7808         *
7809         * @hide
7810         */
7811        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7812                "heads_up_notifications_enabled";
7813
7814        /** @hide */ public static final int HEADS_UP_OFF = 0;
7815        /** @hide */ public static final int HEADS_UP_ON = 1;
7816
7817        /**
7818         * The name of the device
7819         *
7820         * @hide
7821         */
7822        public static final String DEVICE_NAME = "device_name";
7823
7824        /**
7825         * Whether the NetworkScoringService has been first initialized.
7826         * <p>
7827         * Type: int (0 for false, 1 for true)
7828         * @hide
7829         */
7830        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7831
7832        /**
7833         * Whether the user wants to be prompted for password to decrypt the device on boot.
7834         * This only matters if the storage is encrypted.
7835         * <p>
7836         * Type: int (0 for false, 1 for true)
7837         * @hide
7838         */
7839        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7840
7841        /**
7842         * Whether the Volte is enabled
7843         * <p>
7844         * Type: int (0 for false, 1 for true)
7845         * @hide
7846         */
7847        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7848
7849        /**
7850         * Whether VT (Video Telephony over IMS) is enabled
7851         * <p>
7852         * Type: int (0 for false, 1 for true)
7853         *
7854         * @hide
7855         */
7856        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7857
7858        /**
7859         * Whether WFC is enabled
7860         * <p>
7861         * Type: int (0 for false, 1 for true)
7862         *
7863         * @hide
7864         */
7865        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7866
7867        /**
7868         * WFC Mode.
7869         * <p>
7870         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7871         *
7872         * @hide
7873         */
7874        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7875
7876        /**
7877         * Whether WFC roaming is enabled
7878         * <p>
7879         * Type: int (0 for false, 1 for true)
7880         *
7881         * @hide
7882         */
7883        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7884
7885        /**
7886         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7887         * this via gservices, OMA-DM, carrier app, etc.
7888         * <p>
7889         * Type: int (0 for false, 1 for true)
7890         * @hide
7891         */
7892        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7893
7894        /**
7895         * Ephemeral app cookie max size in bytes.
7896         * <p>
7897         * Type: int
7898         * @hide
7899         */
7900        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
7901                "ephemeral_cookie_max_size_bytes";
7902
7903        /**
7904         * The duration for caching uninstalled ephemeral apps.
7905         * <p>
7906         * Type: long
7907         * @hide
7908         */
7909        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
7910                "uninstalled_ephemeral_app_cache_duration_millis";
7911
7912        /**
7913         * Settings to backup. This is here so that it's in the same place as the settings
7914         * keys and easy to update.
7915         *
7916         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7917         * and Secure as well.  This is because those tables drive both backup and
7918         * restore, and restore needs to properly whitelist keys that used to live
7919         * in those namespaces.  The keys will only actually be backed up / restored
7920         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7921         *
7922         * NOTE: Settings are backed up and restored in the order they appear
7923         *       in this array. If you have one setting depending on another,
7924         *       make sure that they are ordered appropriately.
7925         *
7926         * @hide
7927         */
7928        public static final String[] SETTINGS_TO_BACKUP = {
7929            BUGREPORT_IN_POWER_MENU,
7930            STAY_ON_WHILE_PLUGGED_IN,
7931            AUTO_TIME,
7932            AUTO_TIME_ZONE,
7933            POWER_SOUNDS_ENABLED,
7934            DOCK_SOUNDS_ENABLED,
7935            CHARGING_SOUNDS_ENABLED,
7936            USB_MASS_STORAGE_ENABLED,
7937            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7938            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7939            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7940            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7941            WIFI_NUM_OPEN_NETWORKS_KEPT,
7942            EMERGENCY_TONE,
7943            CALL_AUTO_RETRY,
7944            DOCK_AUDIO_MEDIA_ENABLED,
7945            LOW_POWER_MODE_TRIGGER_LEVEL
7946        };
7947
7948        // Populated lazily, guarded by class object:
7949        private static NameValueCache sNameValueCache = new NameValueCache(
7950                    SYS_PROP_SETTING_VERSION,
7951                    CONTENT_URI,
7952                    CALL_METHOD_GET_GLOBAL,
7953                    CALL_METHOD_PUT_GLOBAL);
7954
7955        // Certain settings have been moved from global to the per-user secure namespace
7956        private static final HashSet<String> MOVED_TO_SECURE;
7957        static {
7958            MOVED_TO_SECURE = new HashSet<String>(1);
7959            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7960        }
7961
7962        /** @hide */
7963        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7964            outKeySet.addAll(MOVED_TO_SECURE);
7965        }
7966
7967        /**
7968         * Look up a name in the database.
7969         * @param resolver to access the database with
7970         * @param name to look up in the table
7971         * @return the corresponding value, or null if not present
7972         */
7973        public static String getString(ContentResolver resolver, String name) {
7974            return getStringForUser(resolver, name, UserHandle.myUserId());
7975        }
7976
7977        /** @hide */
7978        public static String getStringForUser(ContentResolver resolver, String name,
7979                int userHandle) {
7980            if (MOVED_TO_SECURE.contains(name)) {
7981                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7982                        + " to android.provider.Settings.Secure, returning read-only value.");
7983                return Secure.getStringForUser(resolver, name, userHandle);
7984            }
7985            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7986        }
7987
7988        /**
7989         * Store a name/value pair into the database.
7990         * @param resolver to access the database with
7991         * @param name to store
7992         * @param value to associate with the name
7993         * @return true if the value was set, false on database errors
7994         */
7995        public static boolean putString(ContentResolver resolver,
7996                String name, String value) {
7997            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7998        }
7999
8000        /** @hide */
8001        public static boolean putStringForUser(ContentResolver resolver,
8002                String name, String value, int userHandle) {
8003            if (LOCAL_LOGV) {
8004                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8005                        + " for " + userHandle);
8006            }
8007            // Global and Secure have the same access policy so we can forward writes
8008            if (MOVED_TO_SECURE.contains(name)) {
8009                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8010                        + " to android.provider.Settings.Secure, value is unchanged.");
8011                return Secure.putStringForUser(resolver, name, value, userHandle);
8012            }
8013            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8014        }
8015
8016        /**
8017         * Construct the content URI for a particular name/value pair,
8018         * useful for monitoring changes with a ContentObserver.
8019         * @param name to look up in the table
8020         * @return the corresponding content URI, or null if not present
8021         */
8022        public static Uri getUriFor(String name) {
8023            return getUriFor(CONTENT_URI, name);
8024        }
8025
8026        /**
8027         * Convenience function for retrieving a single secure settings value
8028         * as an integer.  Note that internally setting values are always
8029         * stored as strings; this function converts the string to an integer
8030         * for you.  The default value will be returned if the setting is
8031         * not defined or not an integer.
8032         *
8033         * @param cr The ContentResolver to access.
8034         * @param name The name of the setting to retrieve.
8035         * @param def Value to return if the setting is not defined.
8036         *
8037         * @return The setting's current value, or 'def' if it is not defined
8038         * or not a valid integer.
8039         */
8040        public static int getInt(ContentResolver cr, String name, int def) {
8041            String v = getString(cr, name);
8042            try {
8043                return v != null ? Integer.parseInt(v) : def;
8044            } catch (NumberFormatException e) {
8045                return def;
8046            }
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.
8054         * <p>
8055         * This version does not take a default value.  If the setting has not
8056         * been set, or the string value is not a number,
8057         * it throws {@link SettingNotFoundException}.
8058         *
8059         * @param cr The ContentResolver to access.
8060         * @param name The name of the setting to retrieve.
8061         *
8062         * @throws SettingNotFoundException Thrown if a setting by the given
8063         * name can't be found or the setting value is not an integer.
8064         *
8065         * @return The setting's current value.
8066         */
8067        public static int getInt(ContentResolver cr, String name)
8068                throws SettingNotFoundException {
8069            String v = getString(cr, name);
8070            try {
8071                return Integer.parseInt(v);
8072            } catch (NumberFormatException e) {
8073                throw new SettingNotFoundException(name);
8074            }
8075        }
8076
8077        /**
8078         * Convenience function for updating a single settings value as an
8079         * integer. This will either create a new entry in the table if the
8080         * given name does not exist, or modify the value of the existing row
8081         * with that name.  Note that internally setting values are always
8082         * stored as strings, so this function converts the given value to a
8083         * string before storing it.
8084         *
8085         * @param cr The ContentResolver to access.
8086         * @param name The name of the setting to modify.
8087         * @param value The new value for the setting.
8088         * @return true if the value was set, false on database errors
8089         */
8090        public static boolean putInt(ContentResolver cr, String name, int value) {
8091            return putString(cr, name, Integer.toString(value));
8092        }
8093
8094        /**
8095         * Convenience function for retrieving a single secure settings value
8096         * as a {@code long}.  Note that internally setting values are always
8097         * stored as strings; this function converts the string to a {@code long}
8098         * for you.  The default value will be returned if the setting is
8099         * not defined or not a {@code long}.
8100         *
8101         * @param cr The ContentResolver to access.
8102         * @param name The name of the setting to retrieve.
8103         * @param def Value to return if the setting is not defined.
8104         *
8105         * @return The setting's current value, or 'def' if it is not defined
8106         * or not a valid {@code long}.
8107         */
8108        public static long getLong(ContentResolver cr, String name, long def) {
8109            String valString = getString(cr, name);
8110            long value;
8111            try {
8112                value = valString != null ? Long.parseLong(valString) : def;
8113            } catch (NumberFormatException e) {
8114                value = def;
8115            }
8116            return value;
8117        }
8118
8119        /**
8120         * Convenience function for retrieving a single secure settings value
8121         * as a {@code long}.  Note that internally setting values are always
8122         * stored as strings; this function converts the string to a {@code long}
8123         * for you.
8124         * <p>
8125         * This version does not take a default value.  If the setting has not
8126         * been set, or the string value is not a number,
8127         * it throws {@link SettingNotFoundException}.
8128         *
8129         * @param cr The ContentResolver to access.
8130         * @param name The name of the setting to retrieve.
8131         *
8132         * @return The setting's current value.
8133         * @throws SettingNotFoundException Thrown if a setting by the given
8134         * name can't be found or the setting value is not an integer.
8135         */
8136        public static long getLong(ContentResolver cr, String name)
8137                throws SettingNotFoundException {
8138            String valString = getString(cr, name);
8139            try {
8140                return Long.parseLong(valString);
8141            } catch (NumberFormatException e) {
8142                throw new SettingNotFoundException(name);
8143            }
8144        }
8145
8146        /**
8147         * Convenience function for updating a secure settings value as a long
8148         * integer. This will either create a new entry in the table if the
8149         * given name does not exist, or modify the value of the existing row
8150         * with that name.  Note that internally setting values are always
8151         * stored as strings, so this function converts the given value to a
8152         * string before storing it.
8153         *
8154         * @param cr The ContentResolver to access.
8155         * @param name The name of the setting to modify.
8156         * @param value The new value for the setting.
8157         * @return true if the value was set, false on database errors
8158         */
8159        public static boolean putLong(ContentResolver cr, String name, long value) {
8160            return putString(cr, name, Long.toString(value));
8161        }
8162
8163        /**
8164         * Convenience function for retrieving a single secure settings value
8165         * as a floating point number.  Note that internally setting values are
8166         * always stored as strings; this function converts the string to an
8167         * float for you. The default value will be returned if the setting
8168         * is not defined or not a valid float.
8169         *
8170         * @param cr The ContentResolver to access.
8171         * @param name The name of the setting to retrieve.
8172         * @param def Value to return if the setting is not defined.
8173         *
8174         * @return The setting's current value, or 'def' if it is not defined
8175         * or not a valid float.
8176         */
8177        public static float getFloat(ContentResolver cr, String name, float def) {
8178            String v = getString(cr, name);
8179            try {
8180                return v != null ? Float.parseFloat(v) : def;
8181            } catch (NumberFormatException e) {
8182                return def;
8183            }
8184        }
8185
8186        /**
8187         * Convenience function for retrieving a single secure settings value
8188         * as a float.  Note that internally setting values are always
8189         * stored as strings; this function converts the string to a float
8190         * for you.
8191         * <p>
8192         * This version does not take a default value.  If the setting has not
8193         * been set, or the string value is not a number,
8194         * it throws {@link SettingNotFoundException}.
8195         *
8196         * @param cr The ContentResolver to access.
8197         * @param name The name of the setting to retrieve.
8198         *
8199         * @throws SettingNotFoundException Thrown if a setting by the given
8200         * name can't be found or the setting value is not a float.
8201         *
8202         * @return The setting's current value.
8203         */
8204        public static float getFloat(ContentResolver cr, String name)
8205                throws SettingNotFoundException {
8206            String v = getString(cr, name);
8207            if (v == null) {
8208                throw new SettingNotFoundException(name);
8209            }
8210            try {
8211                return Float.parseFloat(v);
8212            } catch (NumberFormatException e) {
8213                throw new SettingNotFoundException(name);
8214            }
8215        }
8216
8217        /**
8218         * Convenience function for updating a single settings value as a
8219         * floating point number. This will either create a new entry in the
8220         * table if the given name does not exist, or modify the value of the
8221         * existing row with that name.  Note that internally setting values
8222         * are always stored as strings, so this function converts the given
8223         * value to a string before storing it.
8224         *
8225         * @param cr The ContentResolver to access.
8226         * @param name The name of the setting to modify.
8227         * @param value The new value for the setting.
8228         * @return true if the value was set, false on database errors
8229         */
8230        public static boolean putFloat(ContentResolver cr, String name, float value) {
8231            return putString(cr, name, Float.toString(value));
8232        }
8233
8234
8235        /**
8236          * Subscription to be used for voice call on a multi sim device. The supported values
8237          * are 0 = SUB1, 1 = SUB2 and etc.
8238          * @hide
8239          */
8240        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8241
8242        /**
8243          * Used to provide option to user to select subscription during dial.
8244          * The supported values are 0 = disable or 1 = enable prompt.
8245          * @hide
8246          */
8247        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8248
8249        /**
8250          * Subscription to be used for data call on a multi sim device. The supported values
8251          * are 0 = SUB1, 1 = SUB2 and etc.
8252          * @hide
8253          */
8254        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8255
8256        /**
8257          * Subscription to be used for SMS on a multi sim device. The supported values
8258          * are 0 = SUB1, 1 = SUB2 and etc.
8259          * @hide
8260          */
8261        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8262
8263       /**
8264          * Used to provide option to user to select subscription during send SMS.
8265          * The value 1 - enable, 0 - disable
8266          * @hide
8267          */
8268        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8269
8270
8271
8272        /** User preferred subscriptions setting.
8273          * This holds the details of the user selected subscription from the card and
8274          * the activation status. Each settings string have the coma separated values
8275          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8276          * @hide
8277         */
8278        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8279                "user_preferred_sub2","user_preferred_sub3"};
8280
8281        /**
8282         * Whether to enable new contacts aggregator or not.
8283         * The value 1 - enable, 0 - disable
8284         * @hide
8285         */
8286        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8287
8288        /**
8289         * Whether to enable contacts metadata syncing or not
8290         * The value 1 - enable, 0 - disable
8291         */
8292        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8293
8294        /**
8295         * Whether to enable cellular on boot.
8296         * The value 1 - enable, 0 - disable
8297         * @hide
8298         */
8299        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8300    }
8301
8302    /**
8303     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8304     * Intent URL, allowing it to be either a web page or a particular
8305     * application activity.
8306     *
8307     * @hide
8308     */
8309    public static final class Bookmarks implements BaseColumns
8310    {
8311        private static final String TAG = "Bookmarks";
8312
8313        /**
8314         * The content:// style URL for this table
8315         */
8316        public static final Uri CONTENT_URI =
8317            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8318
8319        /**
8320         * The row ID.
8321         * <p>Type: INTEGER</p>
8322         */
8323        public static final String ID = "_id";
8324
8325        /**
8326         * Descriptive name of the bookmark that can be displayed to the user.
8327         * If this is empty, the title should be resolved at display time (use
8328         * {@link #getTitle(Context, Cursor)} any time you want to display the
8329         * title of a bookmark.)
8330         * <P>
8331         * Type: TEXT
8332         * </P>
8333         */
8334        public static final String TITLE = "title";
8335
8336        /**
8337         * Arbitrary string (displayed to the user) that allows bookmarks to be
8338         * organized into categories.  There are some special names for
8339         * standard folders, which all start with '@'.  The label displayed for
8340         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8341         * the folder name does not change so you can consistently query for
8342         * the folder regardless of the current locale.
8343         *
8344         * <P>Type: TEXT</P>
8345         *
8346         */
8347        public static final String FOLDER = "folder";
8348
8349        /**
8350         * The Intent URL of the bookmark, describing what it points to.  This
8351         * value is given to {@link android.content.Intent#getIntent} to create
8352         * an Intent that can be launched.
8353         * <P>Type: TEXT</P>
8354         */
8355        public static final String INTENT = "intent";
8356
8357        /**
8358         * Optional shortcut character associated with this bookmark.
8359         * <P>Type: INTEGER</P>
8360         */
8361        public static final String SHORTCUT = "shortcut";
8362
8363        /**
8364         * The order in which the bookmark should be displayed
8365         * <P>Type: INTEGER</P>
8366         */
8367        public static final String ORDERING = "ordering";
8368
8369        private static final String[] sIntentProjection = { INTENT };
8370        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8371        private static final String sShortcutSelection = SHORTCUT + "=?";
8372
8373        /**
8374         * Convenience function to retrieve the bookmarked Intent for a
8375         * particular shortcut key.
8376         *
8377         * @param cr The ContentResolver to query.
8378         * @param shortcut The shortcut key.
8379         *
8380         * @return Intent The bookmarked URL, or null if there is no bookmark
8381         *         matching the given shortcut.
8382         */
8383        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8384        {
8385            Intent intent = null;
8386
8387            Cursor c = cr.query(CONTENT_URI,
8388                    sIntentProjection, sShortcutSelection,
8389                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8390            // Keep trying until we find a valid shortcut
8391            try {
8392                while (intent == null && c.moveToNext()) {
8393                    try {
8394                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8395                        intent = Intent.parseUri(intentURI, 0);
8396                    } catch (java.net.URISyntaxException e) {
8397                        // The stored URL is bad...  ignore it.
8398                    } catch (IllegalArgumentException e) {
8399                        // Column not found
8400                        Log.w(TAG, "Intent column not found", e);
8401                    }
8402                }
8403            } finally {
8404                if (c != null) c.close();
8405            }
8406
8407            return intent;
8408        }
8409
8410        /**
8411         * Add a new bookmark to the system.
8412         *
8413         * @param cr The ContentResolver to query.
8414         * @param intent The desired target of the bookmark.
8415         * @param title Bookmark title that is shown to the user; null if none
8416         *            or it should be resolved to the intent's title.
8417         * @param folder Folder in which to place the bookmark; null if none.
8418         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8419         *            this is non-zero and there is an existing bookmark entry
8420         *            with this same shortcut, then that existing shortcut is
8421         *            cleared (the bookmark is not removed).
8422         * @return The unique content URL for the new bookmark entry.
8423         */
8424        public static Uri add(ContentResolver cr,
8425                                           Intent intent,
8426                                           String title,
8427                                           String folder,
8428                                           char shortcut,
8429                                           int ordering)
8430        {
8431            // If a shortcut is supplied, and it is already defined for
8432            // another bookmark, then remove the old definition.
8433            if (shortcut != 0) {
8434                cr.delete(CONTENT_URI, sShortcutSelection,
8435                        new String[] { String.valueOf((int) shortcut) });
8436            }
8437
8438            ContentValues values = new ContentValues();
8439            if (title != null) values.put(TITLE, title);
8440            if (folder != null) values.put(FOLDER, folder);
8441            values.put(INTENT, intent.toUri(0));
8442            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8443            values.put(ORDERING, ordering);
8444            return cr.insert(CONTENT_URI, values);
8445        }
8446
8447        /**
8448         * Return the folder name as it should be displayed to the user.  This
8449         * takes care of localizing special folders.
8450         *
8451         * @param r Resources object for current locale; only need access to
8452         *          system resources.
8453         * @param folder The value found in the {@link #FOLDER} column.
8454         *
8455         * @return CharSequence The label for this folder that should be shown
8456         *         to the user.
8457         */
8458        public static CharSequence getLabelForFolder(Resources r, String folder) {
8459            return folder;
8460        }
8461
8462        /**
8463         * Return the title as it should be displayed to the user. This takes
8464         * care of localizing bookmarks that point to activities.
8465         *
8466         * @param context A context.
8467         * @param cursor A cursor pointing to the row whose title should be
8468         *        returned. The cursor must contain at least the {@link #TITLE}
8469         *        and {@link #INTENT} columns.
8470         * @return A title that is localized and can be displayed to the user,
8471         *         or the empty string if one could not be found.
8472         */
8473        public static CharSequence getTitle(Context context, Cursor cursor) {
8474            int titleColumn = cursor.getColumnIndex(TITLE);
8475            int intentColumn = cursor.getColumnIndex(INTENT);
8476            if (titleColumn == -1 || intentColumn == -1) {
8477                throw new IllegalArgumentException(
8478                        "The cursor must contain the TITLE and INTENT columns.");
8479            }
8480
8481            String title = cursor.getString(titleColumn);
8482            if (!TextUtils.isEmpty(title)) {
8483                return title;
8484            }
8485
8486            String intentUri = cursor.getString(intentColumn);
8487            if (TextUtils.isEmpty(intentUri)) {
8488                return "";
8489            }
8490
8491            Intent intent;
8492            try {
8493                intent = Intent.parseUri(intentUri, 0);
8494            } catch (URISyntaxException e) {
8495                return "";
8496            }
8497
8498            PackageManager packageManager = context.getPackageManager();
8499            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8500            return info != null ? info.loadLabel(packageManager) : "";
8501        }
8502    }
8503
8504    /**
8505     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8506     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8507     * from the GoogleLoginService.
8508     *
8509     * @param androidId The Android ID for this device.
8510     * @return The device ID that should be used when connecting to the mobile gtalk server.
8511     * @hide
8512     */
8513    public static String getGTalkDeviceId(long androidId) {
8514        return "android-" + Long.toHexString(androidId);
8515    }
8516
8517    private static final String[] PM_WRITE_SETTINGS = {
8518        android.Manifest.permission.WRITE_SETTINGS
8519    };
8520    private static final String[] PM_CHANGE_NETWORK_STATE = {
8521        android.Manifest.permission.CHANGE_NETWORK_STATE,
8522        android.Manifest.permission.WRITE_SETTINGS
8523    };
8524    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8525        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8526    };
8527
8528    /**
8529     * Performs a strict and comprehensive check of whether a calling package is allowed to
8530     * write/modify system settings, as the condition differs for pre-M, M+, and
8531     * privileged/preinstalled apps. If the provided uid does not match the
8532     * callingPackage, a negative result will be returned.
8533     * @hide
8534     */
8535    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8536            String callingPackage, boolean throwException) {
8537        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8538                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8539                PM_WRITE_SETTINGS, false);
8540    }
8541
8542    /**
8543     * Performs a strict and comprehensive check of whether a calling package is allowed to
8544     * write/modify system settings, as the condition differs for pre-M, M+, and
8545     * privileged/preinstalled apps. If the provided uid does not match the
8546     * callingPackage, a negative result will be returned. The caller is expected to have
8547     * the WRITE_SETTINGS permission declared.
8548     *
8549     * Note: if the check is successful, the operation of this app will be updated to the
8550     * current time.
8551     * @hide
8552     */
8553    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8554            String callingPackage, boolean throwException) {
8555        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8556                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8557                PM_WRITE_SETTINGS, true);
8558    }
8559
8560    /**
8561     * Performs a strict and comprehensive check of whether a calling package is allowed to
8562     * change the state of network, as the condition differs for pre-M, M+, and
8563     * privileged/preinstalled apps. The caller is expected to have either the
8564     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8565     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8566     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8567     * permission and cannot be revoked. See http://b/23597341
8568     *
8569     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8570     * of this app will be updated to the current time.
8571     * @hide
8572     */
8573    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8574            String callingPackage, boolean throwException) {
8575        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8576                == PackageManager.PERMISSION_GRANTED) {
8577            return true;
8578        }
8579        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8580                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8581                PM_CHANGE_NETWORK_STATE, true);
8582    }
8583
8584    /**
8585     * Performs a strict and comprehensive check of whether a calling package is allowed to
8586     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8587     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8588     * a negative result will be returned.
8589     * @hide
8590     */
8591    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8592            String callingPackage, boolean throwException) {
8593        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8594                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8595                PM_SYSTEM_ALERT_WINDOW, false);
8596    }
8597
8598    /**
8599     * Performs a strict and comprehensive check of whether a calling package is allowed to
8600     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8601     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8602     * a negative result will be returned.
8603     *
8604     * Note: if the check is successful, the operation of this app will be updated to the
8605     * current time.
8606     * @hide
8607     */
8608    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8609            callingPackage, boolean throwException) {
8610        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8611                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8612                PM_SYSTEM_ALERT_WINDOW, true);
8613    }
8614
8615    /**
8616     * Helper method to perform a general and comprehensive check of whether an operation that is
8617     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8618     * OP_WRITE_SETTINGS
8619     * @hide
8620     */
8621    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8622            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8623            permissions, boolean makeNote) {
8624        if (callingPackage == null) {
8625            return false;
8626        }
8627
8628        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8629        int mode = AppOpsManager.MODE_DEFAULT;
8630        if (makeNote) {
8631            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8632        } else {
8633            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8634        }
8635
8636        switch (mode) {
8637            case AppOpsManager.MODE_ALLOWED:
8638                return true;
8639
8640            case AppOpsManager.MODE_DEFAULT:
8641                // this is the default operating mode after an app's installation
8642                // In this case we will check all associated static permission to see
8643                // if it is granted during install time.
8644                for (String permission : permissions) {
8645                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8646                            .PERMISSION_GRANTED) {
8647                        // if either of the permissions are granted, we will allow it
8648                        return true;
8649                    }
8650                }
8651
8652            default:
8653                // this is for all other cases trickled down here...
8654                if (!throwException) {
8655                    return false;
8656                }
8657        }
8658
8659        // prepare string to throw SecurityException
8660        StringBuilder exceptionMessage = new StringBuilder();
8661        exceptionMessage.append(callingPackage);
8662        exceptionMessage.append(" was not granted ");
8663        if (permissions.length > 1) {
8664            exceptionMessage.append(" either of these permissions: ");
8665        } else {
8666            exceptionMessage.append(" this permission: ");
8667        }
8668        for (int i = 0; i < permissions.length; i++) {
8669            exceptionMessage.append(permissions[i]);
8670            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8671        }
8672
8673        throw new SecurityException(exceptionMessage.toString());
8674    }
8675
8676    /**
8677     * Retrieves a correponding package name for a given uid. It will query all
8678     * packages that are associated with the given uid, but it will return only
8679     * the zeroth result.
8680     * Note: If package could not be found, a null is returned.
8681     * @hide
8682     */
8683    public static String getPackageNameForUid(Context context, int uid) {
8684        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8685        if (packages == null) {
8686            return null;
8687        }
8688        return packages[0];
8689    }
8690}
8691