Settings.java revision 563c700f7025d2f792a52b7483725b3d58eaa7a6
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.LocaleList;
62import android.util.Log;
63
64import com.android.internal.util.ArrayUtils;
65import com.android.internal.widget.ILockSettings;
66
67import java.net.URISyntaxException;
68import java.text.SimpleDateFormat;
69import java.util.HashMap;
70import java.util.HashSet;
71import java.util.Locale;
72import java.util.Map;
73import java.util.Set;
74
75/**
76 * The Settings provider contains global system-level device preferences.
77 */
78public final class Settings {
79
80    // Intent actions for Settings
81
82    /**
83     * Activity Action: Show system settings.
84     * <p>
85     * Input: Nothing.
86     * <p>
87     * Output: Nothing.
88     */
89    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
90    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
91
92    /**
93     * Activity Action: Show settings to allow configuration of APNs.
94     * <p>
95     * Input: Nothing.
96     * <p>
97     * Output: Nothing.
98     */
99    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
100    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
101
102    /**
103     * Activity Action: Show settings to allow configuration of current location
104     * sources.
105     * <p>
106     * In some cases, a matching Activity may not exist, so ensure you
107     * safeguard against this.
108     * <p>
109     * Input: Nothing.
110     * <p>
111     * Output: Nothing.
112     */
113    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
114    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
115            "android.settings.LOCATION_SOURCE_SETTINGS";
116
117    /**
118     * Activity Action: Show settings to allow configuration of users.
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     * @hide
127     */
128    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
129    public static final String ACTION_USER_SETTINGS =
130            "android.settings.USER_SETTINGS";
131
132    /**
133     * Activity Action: Show settings to allow configuration of wireless controls
134     * such as Wi-Fi, Bluetooth and Mobile networks.
135     * <p>
136     * In some cases, a matching Activity may not exist, so ensure you
137     * safeguard against this.
138     * <p>
139     * Input: Nothing.
140     * <p>
141     * Output: Nothing.
142     */
143    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
144    public static final String ACTION_WIRELESS_SETTINGS =
145            "android.settings.WIRELESS_SETTINGS";
146
147    /**
148     * Activity Action: Show tether provisioning activity.
149     *
150     * <p>
151     * In some cases, a matching Activity may not exist, so ensure you
152     * safeguard against this.
153     * <p>
154     * Input: {@link ConnectivityManager.EXTRA_TETHER_TYPE} should be included to specify which type
155     * of tethering should be checked. {@link ConnectivityManager.EXTRA_PROVISION_CALLBACK} should
156     * contain a {@link ResultReceiver} which will be called back with a tether result code.
157     * <p>
158     * Output: The result of the provisioning check.
159     * {@link ConnectivityManager.TETHER_ERROR_NO_ERROR} if successful,
160     * {@link ConnectivityManager.TETHER_ERROR_PROVISION_FAILED} for failure.
161     *
162     * @hide
163     */
164    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
165    public static final String ACTION_TETHER_PROVISIONING =
166            "android.settings.TETHER_PROVISIONING_UI";
167
168    /**
169     * Activity Action: Show settings to allow entering/exiting airplane mode.
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_AIRPLANE_MODE_SETTINGS =
180            "android.settings.AIRPLANE_MODE_SETTINGS";
181
182    /**
183     * Activity Action: Modify Airplane mode settings using a voice command.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
186     * <p>
187     * This intent MUST be started using
188     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
189     * startVoiceActivity}.
190     * <p>
191     * Note: The activity implementing this intent MUST verify that
192     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
193     * modifying the setting.
194     * <p>
195     * Input: To tell which state airplane mode should be set to, add the
196     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
197     * If the extra is not included, no changes will be made.
198     * <p>
199     * Output: Nothing.
200     */
201    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
202    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
203            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
204
205    /**
206     * Activity Action: Show settings for accessibility modules.
207     * <p>
208     * In some cases, a matching Activity may not exist, so ensure you
209     * safeguard against this.
210     * <p>
211     * Input: Nothing.
212     * <p>
213     * Output: Nothing.
214     */
215    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
216    public static final String ACTION_ACCESSIBILITY_SETTINGS =
217            "android.settings.ACCESSIBILITY_SETTINGS";
218
219    /**
220     * Activity Action: Show settings to control access to usage information.
221     * <p>
222     * In some cases, a matching Activity may not exist, so ensure you
223     * safeguard against this.
224     * <p>
225     * Input: Nothing.
226     * <p>
227     * Output: Nothing.
228     */
229    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
230    public static final String ACTION_USAGE_ACCESS_SETTINGS =
231            "android.settings.USAGE_ACCESS_SETTINGS";
232
233    /**
234     * Activity Category: Show application settings related to usage access.
235     * <p>
236     * An activity that provides a user interface for adjusting usage access related
237     * preferences for its containing application. Optional but recommended for apps that
238     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
239     * <p>
240     * The activity may define meta-data to describe what usage access is
241     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
242     * will be displayed in Settings.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
249    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
250            "android.intent.category.USAGE_ACCESS_CONFIG";
251
252    /**
253     * Metadata key: Reason for needing usage access.
254     * <p>
255     * A key for metadata attached to an activity that receives action
256     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
257     * user as description of how the app uses usage access.
258     * <p>
259     */
260    public static final String METADATA_USAGE_ACCESS_REASON =
261            "android.settings.metadata.USAGE_ACCESS_REASON";
262
263    /**
264     * Activity Action: Show settings to allow configuration of security and
265     * location privacy.
266     * <p>
267     * In some cases, a matching Activity may not exist, so ensure you
268     * safeguard against this.
269     * <p>
270     * Input: Nothing.
271     * <p>
272     * Output: Nothing.
273     */
274    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
275    public static final String ACTION_SECURITY_SETTINGS =
276            "android.settings.SECURITY_SETTINGS";
277
278    /**
279     * Activity Action: Show trusted credentials settings, opening to the user tab,
280     * to allow management of installed credentials.
281     * <p>
282     * In some cases, a matching Activity may not exist, so ensure you
283     * safeguard against this.
284     * <p>
285     * Input: Nothing.
286     * <p>
287     * Output: Nothing.
288     * @hide
289     */
290    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
291    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
292            "com.android.settings.TRUSTED_CREDENTIALS_USER";
293
294    /**
295     * Activity Action: Show dialog explaining that an installed CA cert may enable
296     * monitoring of encrypted network traffic.
297     * <p>
298     * In some cases, a matching Activity may not exist, so ensure you
299     * safeguard against this.
300     * <p>
301     * Input: Nothing.
302     * <p>
303     * Output: Nothing.
304     * @hide
305     */
306    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
307    public static final String ACTION_MONITORING_CERT_INFO =
308            "com.android.settings.MONITORING_CERT_INFO";
309
310    /**
311     * Activity Action: Show settings to allow configuration of privacy options.
312     * <p>
313     * In some cases, a matching Activity may not exist, so ensure you
314     * safeguard against this.
315     * <p>
316     * Input: Nothing.
317     * <p>
318     * Output: Nothing.
319     */
320    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
321    public static final String ACTION_PRIVACY_SETTINGS =
322            "android.settings.PRIVACY_SETTINGS";
323
324    /**
325     * Activity Action: Show settings to allow configuration of Wi-Fi.
326     * <p>
327     * In some cases, a matching Activity may not exist, so ensure you
328     * safeguard against this.
329     * <p>
330     * Input: Nothing.
331     * <p>
332     * Output: Nothing.
333
334     */
335    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
336    public static final String ACTION_WIFI_SETTINGS =
337            "android.settings.WIFI_SETTINGS";
338
339    /**
340     * Activity Action: Show settings to allow configuration of a static IP
341     * address for Wi-Fi.
342     * <p>
343     * In some cases, a matching Activity may not exist, so ensure you safeguard
344     * against this.
345     * <p>
346     * Input: Nothing.
347     * <p>
348     * Output: Nothing.
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_WIFI_IP_SETTINGS =
352            "android.settings.WIFI_IP_SETTINGS";
353
354    /**
355     * Activity Action: Show settings to allow configuration of Bluetooth.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     */
364    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
365    public static final String ACTION_BLUETOOTH_SETTINGS =
366            "android.settings.BLUETOOTH_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of cast endpoints.
370     * <p>
371     * In some cases, a matching Activity may not exist, so ensure you
372     * safeguard against this.
373     * <p>
374     * Input: Nothing.
375     * <p>
376     * Output: Nothing.
377     */
378    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
379    public static final String ACTION_CAST_SETTINGS =
380            "android.settings.CAST_SETTINGS";
381
382    /**
383     * Activity Action: Show settings to allow configuration of date and time.
384     * <p>
385     * In some cases, a matching Activity may not exist, so ensure you
386     * safeguard against this.
387     * <p>
388     * Input: Nothing.
389     * <p>
390     * Output: Nothing.
391     */
392    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
393    public static final String ACTION_DATE_SETTINGS =
394            "android.settings.DATE_SETTINGS";
395
396    /**
397     * Activity Action: Show settings to allow configuration of sound and volume.
398     * <p>
399     * In some cases, a matching Activity may not exist, so ensure you
400     * safeguard against this.
401     * <p>
402     * Input: Nothing.
403     * <p>
404     * Output: Nothing.
405     */
406    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
407    public static final String ACTION_SOUND_SETTINGS =
408            "android.settings.SOUND_SETTINGS";
409
410    /**
411     * Activity Action: Show settings to allow configuration of display.
412     * <p>
413     * In some cases, a matching Activity may not exist, so ensure you
414     * safeguard against this.
415     * <p>
416     * Input: Nothing.
417     * <p>
418     * Output: Nothing.
419     */
420    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
421    public static final String ACTION_DISPLAY_SETTINGS =
422            "android.settings.DISPLAY_SETTINGS";
423
424    /**
425     * Activity Action: Show settings to allow configuration of locale.
426     * <p>
427     * In some cases, a matching Activity may not exist, so ensure you
428     * safeguard against this.
429     * <p>
430     * Input: Nothing.
431     * <p>
432     * Output: Nothing.
433     */
434    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
435    public static final String ACTION_LOCALE_SETTINGS =
436            "android.settings.LOCALE_SETTINGS";
437
438    /**
439     * Activity Action: Show settings to configure input methods, in particular
440     * allowing the user to enable input methods.
441     * <p>
442     * In some cases, a matching Activity may not exist, so ensure you
443     * safeguard against this.
444     * <p>
445     * Input: Nothing.
446     * <p>
447     * Output: Nothing.
448     */
449    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
450    public static final String ACTION_VOICE_INPUT_SETTINGS =
451            "android.settings.VOICE_INPUT_SETTINGS";
452
453    /**
454     * Activity Action: Show settings to configure input methods, in particular
455     * allowing the user to enable input methods.
456     * <p>
457     * In some cases, a matching Activity may not exist, so ensure you
458     * safeguard against this.
459     * <p>
460     * Input: Nothing.
461     * <p>
462     * Output: Nothing.
463     */
464    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
465    public static final String ACTION_INPUT_METHOD_SETTINGS =
466            "android.settings.INPUT_METHOD_SETTINGS";
467
468    /**
469     * Activity Action: Show settings to enable/disable input method subtypes.
470     * <p>
471     * In some cases, a matching Activity may not exist, so ensure you
472     * safeguard against this.
473     * <p>
474     * To tell which input method's subtypes are displayed in the settings, add
475     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
476     * If there is no extra in this Intent, subtypes from all installed input methods
477     * will be displayed in the settings.
478     *
479     * @see android.view.inputmethod.InputMethodInfo#getId
480     * <p>
481     * Input: Nothing.
482     * <p>
483     * Output: Nothing.
484     */
485    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
486    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
487            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
488
489    /**
490     * Activity Action: Show a dialog to select input method.
491     * <p>
492     * In some cases, a matching Activity may not exist, so ensure you
493     * safeguard against this.
494     * <p>
495     * Input: Nothing.
496     * <p>
497     * Output: Nothing.
498     * @hide
499     */
500    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
501    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
502            "android.settings.SHOW_INPUT_METHOD_PICKER";
503
504    /**
505     * Activity Action: Show settings to manage the user input dictionary.
506     * <p>
507     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
508     * it is guaranteed there will always be an appropriate implementation for this Intent action.
509     * In prior releases of the platform this was optional, so ensure you safeguard against it.
510     * <p>
511     * Input: Nothing.
512     * <p>
513     * Output: Nothing.
514     */
515    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
516    public static final String ACTION_USER_DICTIONARY_SETTINGS =
517            "android.settings.USER_DICTIONARY_SETTINGS";
518
519    /**
520     * Activity Action: Show settings to configure the hardware keyboard layout.
521     * <p>
522     * In some cases, a matching Activity may not exist, so ensure you
523     * safeguard against this.
524     * <p>
525     *
526     * @see android.hardware.input.InputManager#ACTION_QUERY_KEYBOARD_LAYOUTS
527     * <p>
528     * Input: Nothing.
529     * <p>
530     * Output: Nothing.
531     */
532    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
533    public static final String ACTION_KEYBOARD_LAYOUT_SETTINGS =
534            "android.settings.KEYBOARD_LAYOUT_SETTINGS";
535
536    /**
537     * Activity Action: Adds a word to the user dictionary.
538     * <p>
539     * In some cases, a matching Activity may not exist, so ensure you
540     * safeguard against this.
541     * <p>
542     * Input: An extra with key <code>word</code> that contains the word
543     * that should be added to the dictionary.
544     * <p>
545     * Output: Nothing.
546     *
547     * @hide
548     */
549    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
550    public static final String ACTION_USER_DICTIONARY_INSERT =
551            "com.android.settings.USER_DICTIONARY_INSERT";
552
553    /**
554     * Activity Action: Show settings to allow configuration of application-related settings.
555     * <p>
556     * In some cases, a matching Activity may not exist, so ensure you
557     * safeguard against this.
558     * <p>
559     * Input: Nothing.
560     * <p>
561     * Output: Nothing.
562     */
563    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
564    public static final String ACTION_APPLICATION_SETTINGS =
565            "android.settings.APPLICATION_SETTINGS";
566
567    /**
568     * Activity Action: Show settings to allow configuration of application
569     * development-related settings.  As of
570     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
571     * a required part of the platform.
572     * <p>
573     * Input: Nothing.
574     * <p>
575     * Output: Nothing.
576     */
577    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
578    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
579            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
580
581    /**
582     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
583     * <p>
584     * In some cases, a matching Activity may not exist, so ensure you
585     * safeguard against this.
586     * <p>
587     * Input: Nothing.
588     * <p>
589     * Output: Nothing.
590     */
591    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
592    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
593            "android.settings.QUICK_LAUNCH_SETTINGS";
594
595    /**
596     * Activity Action: Show settings to manage installed applications.
597     * <p>
598     * In some cases, a matching Activity may not exist, so ensure you
599     * safeguard against this.
600     * <p>
601     * Input: Nothing.
602     * <p>
603     * Output: Nothing.
604     */
605    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
606    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
607            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
608
609    /**
610     * Activity Action: Show settings to manage all applications.
611     * <p>
612     * In some cases, a matching Activity may not exist, so ensure you
613     * safeguard against this.
614     * <p>
615     * Input: Nothing.
616     * <p>
617     * Output: Nothing.
618     */
619    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
620    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
621            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
622
623    /**
624     * Activity Action: Show screen for controlling which apps can draw on top of other apps.
625     * <p>
626     * In some cases, a matching Activity may not exist, so ensure you
627     * safeguard against this.
628     * <p>
629     * Input: Optionally, the Intent's data URI can specify the application package name to
630     * directly invoke the management GUI specific to the package name. For example
631     * "package:com.my.app".
632     * <p>
633     * Output: Nothing.
634     */
635    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
636    public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
637            "android.settings.action.MANAGE_OVERLAY_PERMISSION";
638
639    /**
640     * Activity Action: Show screen for controlling which apps are allowed to write/modify
641     * system settings.
642     * <p>
643     * In some cases, a matching Activity may not exist, so ensure you
644     * safeguard against this.
645     * <p>
646     * Input: Optionally, the Intent's data URI can specify the application package name to
647     * directly invoke the management GUI specific to the package name. For example
648     * "package:com.my.app".
649     * <p>
650     * Output: Nothing.
651     */
652    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
653    public static final String ACTION_MANAGE_WRITE_SETTINGS =
654            "android.settings.action.MANAGE_WRITE_SETTINGS";
655
656    /**
657     * Activity Action: Show screen of details about a particular application.
658     * <p>
659     * In some cases, a matching Activity may not exist, so ensure you
660     * safeguard against this.
661     * <p>
662     * Input: The Intent's data URI specifies the application package name
663     * to be shown, with the "package" scheme.  That is "package:com.my.app".
664     * <p>
665     * Output: Nothing.
666     */
667    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
668    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
669            "android.settings.APPLICATION_DETAILS_SETTINGS";
670
671    /**
672     * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
673     * <p>
674     * Input: Nothing.
675     * <p>
676     * Output: Nothing.
677     * <p>
678     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
679     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
680     * already ignoring optimizations.  You can use
681     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
682     * on this list.
683     */
684    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
685    public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
686            "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
687
688    /**
689     * Activity Action: Ask the user to allow an app to ignore battery optimizations (that is,
690     * put them on the whitelist of apps shown by
691     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
692     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
693     * permission.
694     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
695     * provided by the platform for applications to operate correctly in the various power
696     * saving modes.  This is only for unusual applications that need to deeply control their own
697     * execution, at the potential expense of the user's battery life.  Note that these applications
698     * greatly run the risk of showing to the user as high power consumers on their device.</p>
699     * <p>
700     * Input: The Intent's data URI must specify the application package name
701     * to be shown, with the "package" scheme.  That is "package:com.my.app".
702     * <p>
703     * Output: Nothing.
704     * <p>
705     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
706     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
707     * already ignoring optimizations.
708     */
709    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
710    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
711            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
712
713    /**
714     * Activity Action: Show screen for controlling which apps can ignore background data
715     * restrictions.
716     * <p>
717     * Input: if the Intent's data URI is set with an application name (using the "package" schema,
718     * like "package:com.my.app"), then when the screen is displayed it will focus on such app. If
719     * the data is not set, it will just open the screen.
720     * <p>
721     * Output: Nothing.
722     * <p>
723     * Applications can also use {@link android.net.ConnectivityManager#getRestrictBackgroundStatus
724     * ConnectivityManager#getRestrictBackgroundStatus()} to determine the status of the background
725     * data restrictions for them.
726     */
727    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
728    public static final String ACTION_IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS =
729            "android.settings.IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS";
730
731    /**
732     * @hide
733     * Activity Action: Show the "app ops" settings screen.
734     * <p>
735     * Input: Nothing.
736     * <p>
737     * Output: Nothing.
738     */
739    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
740    public static final String ACTION_APP_OPS_SETTINGS =
741            "android.settings.APP_OPS_SETTINGS";
742
743    /**
744     * Activity Action: Show settings for system update functionality.
745     * <p>
746     * In some cases, a matching Activity may not exist, so ensure you
747     * safeguard against this.
748     * <p>
749     * Input: Nothing.
750     * <p>
751     * Output: Nothing.
752     *
753     * @hide
754     */
755    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
756    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
757            "android.settings.SYSTEM_UPDATE_SETTINGS";
758
759    /**
760     * Activity Action: Show settings to allow configuration of sync settings.
761     * <p>
762     * In some cases, a matching Activity may not exist, so ensure you
763     * safeguard against this.
764     * <p>
765     * The account types available to add via the add account button may be restricted by adding an
766     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
767     * authorities. Only account types which can sync with that content provider will be offered to
768     * the user.
769     * <p>
770     * Input: Nothing.
771     * <p>
772     * Output: Nothing.
773     */
774    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
775    public static final String ACTION_SYNC_SETTINGS =
776            "android.settings.SYNC_SETTINGS";
777
778    /**
779     * Activity Action: Show add account screen for creating a new account.
780     * <p>
781     * In some cases, a matching Activity may not exist, so ensure you
782     * safeguard against this.
783     * <p>
784     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
785     * extra to the Intent with one or more syncable content provider's authorities.  Only account
786     * types which can sync with that content provider will be offered to the user.
787     * <p>
788     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
789     * Intent with one or more account types.
790     * <p>
791     * Input: Nothing.
792     * <p>
793     * Output: Nothing.
794     */
795    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
796    public static final String ACTION_ADD_ACCOUNT =
797            "android.settings.ADD_ACCOUNT_SETTINGS";
798
799    /**
800     * Activity Action: Show settings for selecting the network operator.
801     * <p>
802     * In some cases, a matching Activity may not exist, so ensure you
803     * safeguard against this.
804     * <p>
805     * Input: Nothing.
806     * <p>
807     * Output: Nothing.
808     */
809    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
810    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
811            "android.settings.NETWORK_OPERATOR_SETTINGS";
812
813    /**
814     * Activity Action: Show settings for selection of 2G/3G.
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     */
823    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
824    public static final String ACTION_DATA_ROAMING_SETTINGS =
825            "android.settings.DATA_ROAMING_SETTINGS";
826
827    /**
828     * Activity Action: Show settings for internal storage.
829     * <p>
830     * In some cases, a matching Activity may not exist, so ensure you
831     * safeguard against this.
832     * <p>
833     * Input: Nothing.
834     * <p>
835     * Output: Nothing.
836     */
837    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
838    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
839            "android.settings.INTERNAL_STORAGE_SETTINGS";
840    /**
841     * Activity Action: Show settings for memory card storage.
842     * <p>
843     * In some cases, a matching Activity may not exist, so ensure you
844     * safeguard against this.
845     * <p>
846     * Input: Nothing.
847     * <p>
848     * Output: Nothing.
849     */
850    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
851    public static final String ACTION_MEMORY_CARD_SETTINGS =
852            "android.settings.MEMORY_CARD_SETTINGS";
853
854    /**
855     * Activity Action: Show settings for global search.
856     * <p>
857     * In some cases, a matching Activity may not exist, so ensure you
858     * safeguard against this.
859     * <p>
860     * Input: Nothing.
861     * <p>
862     * Output: Nothing
863     */
864    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
865    public static final String ACTION_SEARCH_SETTINGS =
866        "android.search.action.SEARCH_SETTINGS";
867
868    /**
869     * Activity Action: Show general device information settings (serial
870     * number, software version, phone number, etc.).
871     * <p>
872     * In some cases, a matching Activity may not exist, so ensure you
873     * safeguard against this.
874     * <p>
875     * Input: Nothing.
876     * <p>
877     * Output: Nothing
878     */
879    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
880    public static final String ACTION_DEVICE_INFO_SETTINGS =
881        "android.settings.DEVICE_INFO_SETTINGS";
882
883    /**
884     * Activity Action: Show NFC settings.
885     * <p>
886     * This shows UI that allows NFC to be turned on or off.
887     * <p>
888     * In some cases, a matching Activity may not exist, so ensure you
889     * safeguard against this.
890     * <p>
891     * Input: Nothing.
892     * <p>
893     * Output: Nothing
894     * @see android.nfc.NfcAdapter#isEnabled()
895     */
896    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
897    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
898
899    /**
900     * Activity Action: Show NFC Sharing settings.
901     * <p>
902     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
903     * off.
904     * <p>
905     * In some cases, a matching Activity may not exist, so ensure you
906     * safeguard against this.
907     * <p>
908     * Input: Nothing.
909     * <p>
910     * Output: Nothing
911     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
912     */
913    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
914    public static final String ACTION_NFCSHARING_SETTINGS =
915        "android.settings.NFCSHARING_SETTINGS";
916
917    /**
918     * Activity Action: Show NFC Tap & Pay settings
919     * <p>
920     * This shows UI that allows the user to configure Tap&Pay
921     * settings.
922     * <p>
923     * In some cases, a matching Activity may not exist, so ensure you
924     * safeguard against this.
925     * <p>
926     * Input: Nothing.
927     * <p>
928     * Output: Nothing
929     */
930    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
931    public static final String ACTION_NFC_PAYMENT_SETTINGS =
932        "android.settings.NFC_PAYMENT_SETTINGS";
933
934    /**
935     * Activity Action: Show Daydream settings.
936     * <p>
937     * In some cases, a matching Activity may not exist, so ensure you
938     * safeguard against this.
939     * <p>
940     * Input: Nothing.
941     * <p>
942     * Output: Nothing.
943     * @see android.service.dreams.DreamService
944     */
945    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
946    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
947
948    /**
949     * Activity Action: Show Notification listener settings.
950     * <p>
951     * In some cases, a matching Activity may not exist, so ensure you
952     * safeguard against this.
953     * <p>
954     * Input: Nothing.
955     * <p>
956     * Output: Nothing.
957     * @see android.service.notification.NotificationListenerService
958     */
959    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
960    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
961            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
962
963    /**
964     * Activity Action: Show Do Not Disturb access settings.
965     * <p>
966     * Users can grant and deny access to Do Not Disturb configuration from here.
967     * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
968     * details.
969     * <p>
970     * Input: Nothing.
971     * <p>
972     * Output: Nothing.
973     */
974    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
975    public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
976            = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";
977
978    /**
979     * @hide
980     */
981    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
982    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
983            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
984
985    /**
986     * Activity Action: Show settings for video captioning.
987     * <p>
988     * In some cases, a matching Activity may not exist, so ensure you safeguard
989     * against this.
990     * <p>
991     * Input: Nothing.
992     * <p>
993     * Output: Nothing.
994     */
995    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
996    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
997
998    /**
999     * Activity Action: Show the top level print settings.
1000     * <p>
1001     * In some cases, a matching Activity may not exist, so ensure you
1002     * safeguard against this.
1003     * <p>
1004     * Input: Nothing.
1005     * <p>
1006     * Output: Nothing.
1007     */
1008    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1009    public static final String ACTION_PRINT_SETTINGS =
1010            "android.settings.ACTION_PRINT_SETTINGS";
1011
1012    /**
1013     * Activity Action: Show Zen Mode configuration settings.
1014     *
1015     * @hide
1016     */
1017    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1018    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
1019
1020    /**
1021     * Activity Action: Show Zen Mode priority configuration settings.
1022     *
1023     * @hide
1024     */
1025    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1026    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
1027            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
1028
1029    /**
1030     * Activity Action: Show Zen Mode automation configuration settings.
1031     *
1032     * @hide
1033     */
1034    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1035    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
1036            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
1037
1038    /**
1039     * Activity Action: Modify do not disturb mode settings.
1040     * <p>
1041     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1042     * <p>
1043     * This intent MUST be started using
1044     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1045     * startVoiceActivity}.
1046     * <p>
1047     * Note: The Activity implementing this intent MUST verify that
1048     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
1049     * returns true before modifying the setting.
1050     * <p>
1051     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
1052     * how long the user wishes to avoid interruptions for. The optional
1053     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
1054     * enabling or disabling do not disturb mode. If either extra is not included, the
1055     * user maybe asked to provide the value.
1056     * <p>
1057     * Output: Nothing.
1058     */
1059    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1060    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
1061            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
1062
1063    /**
1064     * Activity Action: Show Zen Mode schedule rule configuration settings.
1065     *
1066     * @hide
1067     */
1068    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1069    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
1070            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
1071
1072    /**
1073     * Activity Action: Show Zen Mode event rule configuration settings.
1074     *
1075     * @hide
1076     */
1077    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1078    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
1079            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
1080
1081    /**
1082     * Activity Action: Show Zen Mode external rule configuration settings.
1083     *
1084     * @hide
1085     */
1086    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1087    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
1088            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
1089
1090    /**
1091     * Activity Action: Show the regulatory information screen for the device.
1092     * <p>
1093     * In some cases, a matching Activity may not exist, so ensure you safeguard
1094     * against this.
1095     * <p>
1096     * Input: Nothing.
1097     * <p>
1098     * Output: Nothing.
1099     */
1100    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1101    public static final String
1102            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
1103
1104    /**
1105     * Activity Action: Show Device Name Settings.
1106     * <p>
1107     * In some cases, a matching Activity may not exist, so ensure you safeguard
1108     * against this.
1109     *
1110     * @hide
1111     */
1112    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1113    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
1114
1115    /**
1116     * Activity Action: Show pairing settings.
1117     * <p>
1118     * In some cases, a matching Activity may not exist, so ensure you safeguard
1119     * against this.
1120     *
1121     * @hide
1122     */
1123    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1124    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
1125
1126    /**
1127     * Activity Action: Show battery saver settings.
1128     * <p>
1129     * In some cases, a matching Activity may not exist, so ensure you safeguard
1130     * against this.
1131     */
1132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1133    public static final String ACTION_BATTERY_SAVER_SETTINGS
1134            = "android.settings.BATTERY_SAVER_SETTINGS";
1135
1136    /**
1137     * Activity Action: Modify Battery Saver mode setting using a voice command.
1138     * <p>
1139     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1140     * <p>
1141     * This intent MUST be started using
1142     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1143     * startVoiceActivity}.
1144     * <p>
1145     * Note: The activity implementing this intent MUST verify that
1146     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
1147     * modifying the setting.
1148     * <p>
1149     * Input: To tell which state batter saver mode should be set to, add the
1150     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
1151     * If the extra is not included, no changes will be made.
1152     * <p>
1153     * Output: Nothing.
1154     */
1155    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1156    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1157            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1158
1159    /**
1160     * Activity Action: Show Home selection settings. If there are multiple activities
1161     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1162     * to pick your preferred activity.
1163     */
1164    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1165    public static final String ACTION_HOME_SETTINGS
1166            = "android.settings.HOME_SETTINGS";
1167
1168
1169
1170    /**
1171     * Activity Action: Show Default apps settings.
1172     * <p>
1173     * In some cases, a matching Activity may not exist, so ensure you
1174     * safeguard against this.
1175     * <p>
1176     * Input: Nothing.
1177     * <p>
1178     * Output: Nothing.
1179     */
1180    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1181    public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
1182            = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
1183
1184    /**
1185     * Activity Action: Show notification settings.
1186     *
1187     * @hide
1188     */
1189    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1190    public static final String ACTION_NOTIFICATION_SETTINGS
1191            = "android.settings.NOTIFICATION_SETTINGS";
1192
1193    /**
1194     * Activity Action: Show notification settings for a single app.
1195     *
1196     * @hide
1197     */
1198    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1199    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1200            = "android.settings.APP_NOTIFICATION_SETTINGS";
1201
1202    /**
1203     * Activity Action: Show notification redaction settings.
1204     *
1205     * @hide
1206     */
1207    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1208    public static final String ACTION_APP_NOTIFICATION_REDACTION
1209            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1210
1211    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1212    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1213
1214    /**
1215     * Activity Action: Show a dialog with disabled by policy message.
1216     * <p> If an user action is disabled by policy, this dialog can be triggered to let
1217     * the user know about this.
1218     * <p>
1219     * Input: Nothing.
1220     * <p>
1221     * Output: Nothing.
1222     *
1223     * @hide
1224     */
1225    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1226    public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
1227            = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";
1228
1229    /**
1230     * Activity Action: Show a dialog for remote bugreport flow.
1231     * <p>
1232     * Input: Nothing.
1233     * <p>
1234     * Output: Nothing.
1235     *
1236     * @hide
1237     */
1238    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1239    public static final String ACTION_SHOW_REMOTE_BUGREPORT_DIALOG
1240            = "android.settings.SHOW_REMOTE_BUGREPORT_DIALOG";
1241
1242    /**
1243     * Activity Action: Show VR listener settings.
1244     * <p>
1245     * Input: Nothing.
1246     * <p>
1247     * Output: Nothing.
1248     *
1249     * @see android.service.vr.VrListenerService
1250     */
1251    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1252    public static final String ACTION_VR_LISTENER_SETTINGS
1253            = "android.settings.VR_LISTENER_SETTINGS";
1254
1255    // End of Intent actions for Settings
1256
1257    /**
1258     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1259     */
1260    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1261
1262    /**
1263     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1264     */
1265    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1266
1267    /**
1268     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1269     */
1270    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1271
1272    /**
1273     * @hide - User handle argument extra to the fast-path call()-based requests
1274     */
1275    public static final String CALL_METHOD_USER_KEY = "_user";
1276
1277    /** @hide - Private call() method to write to 'system' table */
1278    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1279
1280    /** @hide - Private call() method to write to 'secure' table */
1281    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1282
1283    /** @hide - Private call() method to write to 'global' table */
1284    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1285
1286    /**
1287     * Activity Extra: Limit available options in launched activity based on the given authority.
1288     * <p>
1289     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1290     * provider's authorities as a String[]. This field is used by some intents to alter the
1291     * behavior of the called activity.
1292     * <p>
1293     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1294     * on the authority given.
1295     */
1296    public static final String EXTRA_AUTHORITIES = "authorities";
1297
1298    /**
1299     * Activity Extra: Limit available options in launched activity based on the given account
1300     * types.
1301     * <p>
1302     * This can be passed as an extra field in an Activity Intent with one or more account types
1303     * as a String[]. This field is used by some intents to alter the behavior of the called
1304     * activity.
1305     * <p>
1306     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1307     * list.
1308     */
1309    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1310
1311    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1312
1313    /**
1314     * Activity Extra: The device identifier to act upon.
1315     * <p>
1316     * This can be passed as an extra field in an Activity Intent with a single
1317     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1318     * settings for the given device.
1319     * <p>
1320     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1321     * dialog for the given device.
1322     * @hide
1323     */
1324    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1325
1326    /**
1327     * Activity Extra: Enable or disable Airplane Mode.
1328     * <p>
1329     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1330     * intent as a boolean to indicate if it should be enabled.
1331     */
1332    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1333
1334    /**
1335     * Activity Extra: Enable or disable Battery saver mode.
1336     * <p>
1337     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1338     * intent as a boolean to indicate if it should be enabled.
1339     */
1340    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1341            "android.settings.extra.battery_saver_mode_enabled";
1342
1343    /**
1344     * Activity Extra: Enable or disable Do Not Disturb mode.
1345     * <p>
1346     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1347     * intent as a boolean to indicate if it should be enabled.
1348     */
1349    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1350            "android.settings.extra.do_not_disturb_mode_enabled";
1351
1352    /**
1353     * Activity Extra: How many minutes to enable do not disturb mode for.
1354     * <p>
1355     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1356     * intent to indicate how long do not disturb mode should be enabled for.
1357     */
1358    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1359            "android.settings.extra.do_not_disturb_mode_minutes";
1360
1361    private static final String JID_RESOURCE_PREFIX = "android";
1362
1363    public static final String AUTHORITY = "settings";
1364
1365    private static final String TAG = "Settings";
1366    private static final boolean LOCAL_LOGV = false;
1367
1368    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1369    // with a partial enable/disable state in multi-threaded situations.
1370    private static final Object mLocationSettingsLock = new Object();
1371
1372    public static class SettingNotFoundException extends AndroidException {
1373        public SettingNotFoundException(String msg) {
1374            super(msg);
1375        }
1376    }
1377
1378    /**
1379     * Common base for tables of name/value settings.
1380     */
1381    public static class NameValueTable implements BaseColumns {
1382        public static final String NAME = "name";
1383        public static final String VALUE = "value";
1384
1385        protected static boolean putString(ContentResolver resolver, Uri uri,
1386                String name, String value) {
1387            // The database will take care of replacing duplicates.
1388            try {
1389                ContentValues values = new ContentValues();
1390                values.put(NAME, name);
1391                values.put(VALUE, value);
1392                resolver.insert(uri, values);
1393                return true;
1394            } catch (SQLException e) {
1395                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1396                return false;
1397            }
1398        }
1399
1400        public static Uri getUriFor(Uri uri, String name) {
1401            return Uri.withAppendedPath(uri, name);
1402        }
1403    }
1404
1405    // Thread-safe.
1406    private static class NameValueCache {
1407        private final String mVersionSystemProperty;
1408        private final Uri mUri;
1409
1410        private static final String[] SELECT_VALUE =
1411            new String[] { Settings.NameValueTable.VALUE };
1412        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1413
1414        // Must synchronize on 'this' to access mValues and mValuesVersion.
1415        private final HashMap<String, String> mValues = new HashMap<String, String>();
1416        private long mValuesVersion = 0;
1417
1418        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1419        private IContentProvider mContentProvider = null;
1420
1421        // The method we'll call (or null, to not use) on the provider
1422        // for the fast path of retrieving settings.
1423        private final String mCallGetCommand;
1424        private final String mCallSetCommand;
1425
1426        public NameValueCache(String versionSystemProperty, Uri uri,
1427                String getCommand, String setCommand) {
1428            mVersionSystemProperty = versionSystemProperty;
1429            mUri = uri;
1430            mCallGetCommand = getCommand;
1431            mCallSetCommand = setCommand;
1432        }
1433
1434        private IContentProvider lazyGetProvider(ContentResolver cr) {
1435            IContentProvider cp = null;
1436            synchronized (this) {
1437                cp = mContentProvider;
1438                if (cp == null) {
1439                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1440                }
1441            }
1442            return cp;
1443        }
1444
1445        public boolean putStringForUser(ContentResolver cr, String name, String value,
1446                final int userHandle) {
1447            try {
1448                Bundle arg = new Bundle();
1449                arg.putString(Settings.NameValueTable.VALUE, value);
1450                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1451                IContentProvider cp = lazyGetProvider(cr);
1452                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1453            } catch (RemoteException e) {
1454                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1455                return false;
1456            }
1457            return true;
1458        }
1459
1460        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1461            final boolean isSelf = (userHandle == UserHandle.myUserId());
1462            if (isSelf) {
1463                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1464
1465                // Our own user's settings data uses a client-side cache
1466                synchronized (this) {
1467                    if (mValuesVersion != newValuesVersion) {
1468                        if (LOCAL_LOGV || false) {
1469                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1470                                    + newValuesVersion + " != cached " + mValuesVersion);
1471                        }
1472
1473                        mValues.clear();
1474                        mValuesVersion = newValuesVersion;
1475                    }
1476
1477                    if (mValues.containsKey(name)) {
1478                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1479                    }
1480                }
1481            } else {
1482                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1483                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1484            }
1485
1486            IContentProvider cp = lazyGetProvider(cr);
1487
1488            // Try the fast path first, not using query().  If this
1489            // fails (alternate Settings provider that doesn't support
1490            // this interface?) then we fall back to the query/table
1491            // interface.
1492            if (mCallGetCommand != null) {
1493                try {
1494                    Bundle args = null;
1495                    if (!isSelf) {
1496                        args = new Bundle();
1497                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1498                    }
1499                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1500                    if (b != null) {
1501                        String value = b.getPairValue();
1502                        // Don't update our cache for reads of other users' data
1503                        if (isSelf) {
1504                            synchronized (this) {
1505                                mValues.put(name, value);
1506                            }
1507                        } else {
1508                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1509                                    + " by " + UserHandle.myUserId()
1510                                    + " so not updating cache");
1511                        }
1512                        return value;
1513                    }
1514                    // If the response Bundle is null, we fall through
1515                    // to the query interface below.
1516                } catch (RemoteException e) {
1517                    // Not supported by the remote side?  Fall through
1518                    // to query().
1519                }
1520            }
1521
1522            Cursor c = null;
1523            try {
1524                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1525                             new String[]{name}, null, null);
1526                if (c == null) {
1527                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1528                    return null;
1529                }
1530
1531                String value = c.moveToNext() ? c.getString(0) : null;
1532                synchronized (this) {
1533                    mValues.put(name, value);
1534                }
1535                if (LOCAL_LOGV) {
1536                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1537                            name + " = " + (value == null ? "(null)" : value));
1538                }
1539                return value;
1540            } catch (RemoteException e) {
1541                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1542                return null;  // Return null, but don't cache it.
1543            } finally {
1544                if (c != null) c.close();
1545            }
1546        }
1547    }
1548
1549    /**
1550     * An app can use this method to check if it is currently allowed to draw on top of other
1551     * apps. In order to be allowed to do so, an app must first declare the
1552     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its manifest. If it
1553     * is currently disallowed, it can prompt the user to grant it this capability through a
1554     * management UI by sending an Intent with action
1555     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}.
1556     *
1557     * @param context A context
1558     * @return true if the calling app can draw on top of other apps, false otherwise.
1559     */
1560    public static boolean canDrawOverlays(Context context) {
1561        int uid = Binder.getCallingUid();
1562        return Settings.isCallingPackageAllowedToDrawOverlays(context, uid, Settings
1563                .getPackageNameForUid(context, uid), false);
1564    }
1565
1566    /**
1567     * System settings, containing miscellaneous system preferences.  This
1568     * table holds simple name/value pairs.  There are convenience
1569     * functions for accessing individual settings entries.
1570     */
1571    public static final class System extends NameValueTable {
1572        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1573
1574        /** @hide */
1575        public static interface Validator {
1576            public boolean validate(String value);
1577        }
1578
1579        /**
1580         * The content:// style URL for this table
1581         */
1582        public static final Uri CONTENT_URI =
1583            Uri.parse("content://" + AUTHORITY + "/system");
1584
1585        private static final NameValueCache sNameValueCache = new NameValueCache(
1586                SYS_PROP_SETTING_VERSION,
1587                CONTENT_URI,
1588                CALL_METHOD_GET_SYSTEM,
1589                CALL_METHOD_PUT_SYSTEM);
1590
1591        private static final HashSet<String> MOVED_TO_SECURE;
1592        static {
1593            MOVED_TO_SECURE = new HashSet<String>(30);
1594            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1595            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1596            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1597            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1598            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1599            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1600            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1601            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1602            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1603            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1604            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1605            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1606            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1607            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1608            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1609            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1610            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1611            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1612            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1613            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1614            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1615            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1616            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1617            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1618            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1619            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1620            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1621            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1622
1623            // At one time in System, then Global, but now back in Secure
1624            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1625        }
1626
1627        private static final HashSet<String> MOVED_TO_GLOBAL;
1628        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1629        static {
1630            MOVED_TO_GLOBAL = new HashSet<String>();
1631            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1632
1633            // these were originally in system but migrated to secure in the past,
1634            // so are duplicated in the Secure.* namespace
1635            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1636            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1637            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1638            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1639            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1640            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1641
1642            // these are moving directly from system to global
1643            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1644            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1645            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1646            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1647            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1648            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1649            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1650            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1651            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1652            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1653            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1654            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1655            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1656            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1657            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1658            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1659            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1660            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1661            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1662            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1663            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1664            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1665            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1666            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1667            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1668            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1669            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1670            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1671            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1672            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1673            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1674            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1675            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1676            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1677            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1678            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1679        }
1680
1681        private static final Validator sBooleanValidator =
1682                new DiscreteValueValidator(new String[] {"0", "1"});
1683
1684        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1685            @Override
1686            public boolean validate(String value) {
1687                try {
1688                    return Integer.parseInt(value) >= 0;
1689                } catch (NumberFormatException e) {
1690                    return false;
1691                }
1692            }
1693        };
1694
1695        private static final Validator sUriValidator = new Validator() {
1696            @Override
1697            public boolean validate(String value) {
1698                try {
1699                    Uri.decode(value);
1700                    return true;
1701                } catch (IllegalArgumentException e) {
1702                    return false;
1703                }
1704            }
1705        };
1706
1707        private static final Validator sLenientIpAddressValidator = new Validator() {
1708            private static final int MAX_IPV6_LENGTH = 45;
1709
1710            @Override
1711            public boolean validate(String value) {
1712                return value.length() <= MAX_IPV6_LENGTH;
1713            }
1714        };
1715
1716        /** @hide */
1717        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1718            outKeySet.addAll(MOVED_TO_GLOBAL);
1719            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1720        }
1721
1722        /** @hide */
1723        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1724            outKeySet.addAll(MOVED_TO_SECURE);
1725        }
1726
1727        /** @hide */
1728        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1729            outKeySet.addAll(MOVED_TO_GLOBAL);
1730        }
1731
1732        /**
1733         * Look up a name in the database.
1734         * @param resolver to access the database with
1735         * @param name to look up in the table
1736         * @return the corresponding value, or null if not present
1737         */
1738        public static String getString(ContentResolver resolver, String name) {
1739            return getStringForUser(resolver, name, UserHandle.myUserId());
1740        }
1741
1742        /** @hide */
1743        public static String getStringForUser(ContentResolver resolver, String name,
1744                int userHandle) {
1745            if (MOVED_TO_SECURE.contains(name)) {
1746                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1747                        + " to android.provider.Settings.Secure, returning read-only value.");
1748                return Secure.getStringForUser(resolver, name, userHandle);
1749            }
1750            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1751                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1752                        + " to android.provider.Settings.Global, returning read-only value.");
1753                return Global.getStringForUser(resolver, name, userHandle);
1754            }
1755            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1756        }
1757
1758        /**
1759         * Store a name/value pair into the database.
1760         * @param resolver to access the database with
1761         * @param name to store
1762         * @param value to associate with the name
1763         * @return true if the value was set, false on database errors
1764         */
1765        public static boolean putString(ContentResolver resolver, String name, String value) {
1766            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1767        }
1768
1769        /** @hide */
1770        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1771                int userHandle) {
1772            if (MOVED_TO_SECURE.contains(name)) {
1773                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1774                        + " to android.provider.Settings.Secure, value is unchanged.");
1775                return false;
1776            }
1777            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1778                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1779                        + " to android.provider.Settings.Global, value is unchanged.");
1780                return false;
1781            }
1782            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1783        }
1784
1785        /**
1786         * Construct the content URI for a particular name/value pair,
1787         * useful for monitoring changes with a ContentObserver.
1788         * @param name to look up in the table
1789         * @return the corresponding content URI, or null if not present
1790         */
1791        public static Uri getUriFor(String name) {
1792            if (MOVED_TO_SECURE.contains(name)) {
1793                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1794                    + " to android.provider.Settings.Secure, returning Secure URI.");
1795                return Secure.getUriFor(Secure.CONTENT_URI, name);
1796            }
1797            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1798                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1799                        + " to android.provider.Settings.Global, returning read-only global URI.");
1800                return Global.getUriFor(Global.CONTENT_URI, name);
1801            }
1802            return getUriFor(CONTENT_URI, name);
1803        }
1804
1805        /**
1806         * Convenience function for retrieving a single system settings value
1807         * as an integer.  Note that internally setting values are always
1808         * stored as strings; this function converts the string to an integer
1809         * for you.  The default value will be returned if the setting is
1810         * not defined or not an integer.
1811         *
1812         * @param cr The ContentResolver to access.
1813         * @param name The name of the setting to retrieve.
1814         * @param def Value to return if the setting is not defined.
1815         *
1816         * @return The setting's current value, or 'def' if it is not defined
1817         * or not a valid integer.
1818         */
1819        public static int getInt(ContentResolver cr, String name, int def) {
1820            return getIntForUser(cr, name, def, UserHandle.myUserId());
1821        }
1822
1823        /** @hide */
1824        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1825            String v = getStringForUser(cr, name, userHandle);
1826            try {
1827                return v != null ? Integer.parseInt(v) : def;
1828            } catch (NumberFormatException e) {
1829                return def;
1830            }
1831        }
1832
1833        /**
1834         * Convenience function for retrieving a single system settings value
1835         * as an integer.  Note that internally setting values are always
1836         * stored as strings; this function converts the string to an integer
1837         * for you.
1838         * <p>
1839         * This version does not take a default value.  If the setting has not
1840         * been set, or the string value is not a number,
1841         * it throws {@link SettingNotFoundException}.
1842         *
1843         * @param cr The ContentResolver to access.
1844         * @param name The name of the setting to retrieve.
1845         *
1846         * @throws SettingNotFoundException Thrown if a setting by the given
1847         * name can't be found or the setting value is not an integer.
1848         *
1849         * @return The setting's current value.
1850         */
1851        public static int getInt(ContentResolver cr, String name)
1852                throws SettingNotFoundException {
1853            return getIntForUser(cr, name, UserHandle.myUserId());
1854        }
1855
1856        /** @hide */
1857        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1858                throws SettingNotFoundException {
1859            String v = getStringForUser(cr, name, userHandle);
1860            try {
1861                return Integer.parseInt(v);
1862            } catch (NumberFormatException e) {
1863                throw new SettingNotFoundException(name);
1864            }
1865        }
1866
1867        /**
1868         * Convenience function for updating a single settings value as an
1869         * integer. This will either create a new entry in the table if the
1870         * given name does not exist, or modify the value of the existing row
1871         * with that name.  Note that internally setting values are always
1872         * stored as strings, so this function converts the given value to a
1873         * string before storing it.
1874         *
1875         * @param cr The ContentResolver to access.
1876         * @param name The name of the setting to modify.
1877         * @param value The new value for the setting.
1878         * @return true if the value was set, false on database errors
1879         */
1880        public static boolean putInt(ContentResolver cr, String name, int value) {
1881            return putIntForUser(cr, name, value, UserHandle.myUserId());
1882        }
1883
1884        /** @hide */
1885        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1886                int userHandle) {
1887            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1888        }
1889
1890        /**
1891         * Convenience function for retrieving a single system settings value
1892         * as a {@code long}.  Note that internally setting values are always
1893         * stored as strings; this function converts the string to a {@code long}
1894         * for you.  The default value will be returned if the setting is
1895         * not defined or not a {@code long}.
1896         *
1897         * @param cr The ContentResolver to access.
1898         * @param name The name of the setting to retrieve.
1899         * @param def Value to return if the setting is not defined.
1900         *
1901         * @return The setting's current value, or 'def' if it is not defined
1902         * or not a valid {@code long}.
1903         */
1904        public static long getLong(ContentResolver cr, String name, long def) {
1905            return getLongForUser(cr, name, def, UserHandle.myUserId());
1906        }
1907
1908        /** @hide */
1909        public static long getLongForUser(ContentResolver cr, String name, long def,
1910                int userHandle) {
1911            String valString = getStringForUser(cr, name, userHandle);
1912            long value;
1913            try {
1914                value = valString != null ? Long.parseLong(valString) : def;
1915            } catch (NumberFormatException e) {
1916                value = def;
1917            }
1918            return value;
1919        }
1920
1921        /**
1922         * Convenience function for retrieving a single system settings value
1923         * as a {@code long}.  Note that internally setting values are always
1924         * stored as strings; this function converts the string to a {@code long}
1925         * for you.
1926         * <p>
1927         * This version does not take a default value.  If the setting has not
1928         * been set, or the string value is not a number,
1929         * it throws {@link SettingNotFoundException}.
1930         *
1931         * @param cr The ContentResolver to access.
1932         * @param name The name of the setting to retrieve.
1933         *
1934         * @return The setting's current value.
1935         * @throws SettingNotFoundException Thrown if a setting by the given
1936         * name can't be found or the setting value is not an integer.
1937         */
1938        public static long getLong(ContentResolver cr, String name)
1939                throws SettingNotFoundException {
1940            return getLongForUser(cr, name, UserHandle.myUserId());
1941        }
1942
1943        /** @hide */
1944        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1945                throws SettingNotFoundException {
1946            String valString = getStringForUser(cr, name, userHandle);
1947            try {
1948                return Long.parseLong(valString);
1949            } catch (NumberFormatException e) {
1950                throw new SettingNotFoundException(name);
1951            }
1952        }
1953
1954        /**
1955         * Convenience function for updating a single settings value as a long
1956         * integer. This will either create a new entry in the table if the
1957         * given name does not exist, or modify the value of the existing row
1958         * with that name.  Note that internally setting values are always
1959         * stored as strings, so this function converts the given value to a
1960         * string before storing it.
1961         *
1962         * @param cr The ContentResolver to access.
1963         * @param name The name of the setting to modify.
1964         * @param value The new value for the setting.
1965         * @return true if the value was set, false on database errors
1966         */
1967        public static boolean putLong(ContentResolver cr, String name, long value) {
1968            return putLongForUser(cr, name, value, UserHandle.myUserId());
1969        }
1970
1971        /** @hide */
1972        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1973                int userHandle) {
1974            return putStringForUser(cr, name, Long.toString(value), userHandle);
1975        }
1976
1977        /**
1978         * Convenience function for retrieving a single system settings value
1979         * as a floating point number.  Note that internally setting values are
1980         * always stored as strings; this function converts the string to an
1981         * float for you. The default value will be returned if the setting
1982         * is not defined or not a valid float.
1983         *
1984         * @param cr The ContentResolver to access.
1985         * @param name The name of the setting to retrieve.
1986         * @param def Value to return if the setting is not defined.
1987         *
1988         * @return The setting's current value, or 'def' if it is not defined
1989         * or not a valid float.
1990         */
1991        public static float getFloat(ContentResolver cr, String name, float def) {
1992            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1993        }
1994
1995        /** @hide */
1996        public static float getFloatForUser(ContentResolver cr, String name, float def,
1997                int userHandle) {
1998            String v = getStringForUser(cr, name, userHandle);
1999            try {
2000                return v != null ? Float.parseFloat(v) : def;
2001            } catch (NumberFormatException e) {
2002                return def;
2003            }
2004        }
2005
2006        /**
2007         * Convenience function for retrieving a single system settings value
2008         * as a float.  Note that internally setting values are always
2009         * stored as strings; this function converts the string to a float
2010         * for you.
2011         * <p>
2012         * This version does not take a default value.  If the setting has not
2013         * been set, or the string value is not a number,
2014         * it throws {@link SettingNotFoundException}.
2015         *
2016         * @param cr The ContentResolver to access.
2017         * @param name The name of the setting to retrieve.
2018         *
2019         * @throws SettingNotFoundException Thrown if a setting by the given
2020         * name can't be found or the setting value is not a float.
2021         *
2022         * @return The setting's current value.
2023         */
2024        public static float getFloat(ContentResolver cr, String name)
2025                throws SettingNotFoundException {
2026            return getFloatForUser(cr, name, UserHandle.myUserId());
2027        }
2028
2029        /** @hide */
2030        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
2031                throws SettingNotFoundException {
2032            String v = getStringForUser(cr, name, userHandle);
2033            if (v == null) {
2034                throw new SettingNotFoundException(name);
2035            }
2036            try {
2037                return Float.parseFloat(v);
2038            } catch (NumberFormatException e) {
2039                throw new SettingNotFoundException(name);
2040            }
2041        }
2042
2043        /**
2044         * Convenience function for updating a single settings value as a
2045         * floating point number. This will either create a new entry in the
2046         * table if the given name does not exist, or modify the value of the
2047         * existing row with that name.  Note that internally setting values
2048         * are always stored as strings, so this function converts the given
2049         * value to a string before storing it.
2050         *
2051         * @param cr The ContentResolver to access.
2052         * @param name The name of the setting to modify.
2053         * @param value The new value for the setting.
2054         * @return true if the value was set, false on database errors
2055         */
2056        public static boolean putFloat(ContentResolver cr, String name, float value) {
2057            return putFloatForUser(cr, name, value, UserHandle.myUserId());
2058        }
2059
2060        /** @hide */
2061        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
2062                int userHandle) {
2063            return putStringForUser(cr, name, Float.toString(value), userHandle);
2064        }
2065
2066        /**
2067         * Convenience function to read all of the current
2068         * configuration-related settings into a
2069         * {@link Configuration} object.
2070         *
2071         * @param cr The ContentResolver to access.
2072         * @param outConfig Where to place the configuration settings.
2073         */
2074        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
2075            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
2076        }
2077
2078        /** @hide */
2079        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
2080                int userHandle) {
2081            outConfig.fontScale = Settings.System.getFloatForUser(
2082                cr, FONT_SCALE, outConfig.fontScale, userHandle);
2083            if (outConfig.fontScale < 0) {
2084                outConfig.fontScale = 1;
2085            }
2086            outConfig.setLocales(LocaleList.forLanguageTags(
2087                    Settings.System.getStringForUser(cr, SYSTEM_LOCALES, userHandle)));
2088        }
2089
2090        /**
2091         * @hide Erase the fields in the Configuration that should be applied
2092         * by the settings.
2093         */
2094        public static void clearConfiguration(Configuration inoutConfig) {
2095            inoutConfig.fontScale = 0;
2096            if (!inoutConfig.userSetLocale && !inoutConfig.getLocales().isEmpty()) {
2097                inoutConfig.setLocales(LocaleList.getEmptyLocaleList());
2098            }
2099        }
2100
2101        /**
2102         * Convenience function to write a batch of configuration-related
2103         * settings from a {@link Configuration} object.
2104         *
2105         * @param cr The ContentResolver to access.
2106         * @param config The settings to write.
2107         * @return true if the values were set, false on database errors
2108         */
2109        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2110            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2111        }
2112
2113        /** @hide */
2114        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2115                int userHandle) {
2116            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle) &&
2117                    Settings.System.putStringForUser(
2118                            cr, SYSTEM_LOCALES, config.getLocales().toLanguageTags(), userHandle);
2119        }
2120
2121        /** @hide */
2122        public static boolean hasInterestingConfigurationChanges(int changes) {
2123            return (changes & ActivityInfo.CONFIG_FONT_SCALE) != 0 ||
2124                    (changes & ActivityInfo.CONFIG_LOCALE) != 0;
2125        }
2126
2127        /** @deprecated - Do not use */
2128        @Deprecated
2129        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2130            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2131        }
2132
2133        /**
2134         * @hide
2135         * @deprecated - Do not use
2136         */
2137        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2138                int userHandle) {
2139            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2140        }
2141
2142        /** @deprecated - Do not use */
2143        @Deprecated
2144        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2145            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2146        }
2147
2148        /**
2149         * @hide
2150         * @deprecated - Do not use
2151         */
2152        @Deprecated
2153        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2154                int userHandle) {
2155            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2156        }
2157
2158        private static final class DiscreteValueValidator implements Validator {
2159            private final String[] mValues;
2160
2161            public DiscreteValueValidator(String[] values) {
2162                mValues = values;
2163            }
2164
2165            @Override
2166            public boolean validate(String value) {
2167                return ArrayUtils.contains(mValues, value);
2168            }
2169        }
2170
2171        private static final class InclusiveIntegerRangeValidator implements Validator {
2172            private final int mMin;
2173            private final int mMax;
2174
2175            public InclusiveIntegerRangeValidator(int min, int max) {
2176                mMin = min;
2177                mMax = max;
2178            }
2179
2180            @Override
2181            public boolean validate(String value) {
2182                try {
2183                    final int intValue = Integer.parseInt(value);
2184                    return intValue >= mMin && intValue <= mMax;
2185                } catch (NumberFormatException e) {
2186                    return false;
2187                }
2188            }
2189        }
2190
2191        private static final class InclusiveFloatRangeValidator implements Validator {
2192            private final float mMin;
2193            private final float mMax;
2194
2195            public InclusiveFloatRangeValidator(float min, float max) {
2196                mMin = min;
2197                mMax = max;
2198            }
2199
2200            @Override
2201            public boolean validate(String value) {
2202                try {
2203                    final float floatValue = Float.parseFloat(value);
2204                    return floatValue >= mMin && floatValue <= mMax;
2205                } catch (NumberFormatException e) {
2206                    return false;
2207                }
2208            }
2209        }
2210
2211        /**
2212         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2213         */
2214        @Deprecated
2215        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2216
2217        /**
2218         * What happens when the user presses the end call button if they're not
2219         * on a call.<br/>
2220         * <b>Values:</b><br/>
2221         * 0 - The end button does nothing.<br/>
2222         * 1 - The end button goes to the home screen.<br/>
2223         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2224         * 3 - The end button goes to the home screen.  If the user is already on the
2225         * home screen, it puts the device to sleep.
2226         */
2227        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2228
2229        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2230                new InclusiveIntegerRangeValidator(0, 3);
2231
2232        /**
2233         * END_BUTTON_BEHAVIOR value for "go home".
2234         * @hide
2235         */
2236        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2237
2238        /**
2239         * END_BUTTON_BEHAVIOR value for "go to sleep".
2240         * @hide
2241         */
2242        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2243
2244        /**
2245         * END_BUTTON_BEHAVIOR default value.
2246         * @hide
2247         */
2248        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2249
2250        /**
2251         * Is advanced settings mode turned on. 0 == no, 1 == yes
2252         * @hide
2253         */
2254        public static final String ADVANCED_SETTINGS = "advanced_settings";
2255
2256        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2257
2258        /**
2259         * ADVANCED_SETTINGS default value.
2260         * @hide
2261         */
2262        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2263
2264        /**
2265         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2266         */
2267        @Deprecated
2268        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2269
2270        /**
2271         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2272         */
2273        @Deprecated
2274        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2275
2276        /**
2277         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2278         */
2279        @Deprecated
2280        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2281
2282        /**
2283         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2284         * {@hide}
2285         */
2286        @Deprecated
2287        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2288
2289        /**
2290         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2291         */
2292        @Deprecated
2293        public static final String RADIO_CELL = Global.RADIO_CELL;
2294
2295        /**
2296         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2297         */
2298        @Deprecated
2299        public static final String RADIO_NFC = Global.RADIO_NFC;
2300
2301        /**
2302         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2303         */
2304        @Deprecated
2305        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2306
2307        /**
2308         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2309         *
2310         * {@hide}
2311         */
2312        @Deprecated
2313        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2314                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2315
2316        /**
2317         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2318         */
2319        @Deprecated
2320        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2321
2322        /**
2323         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2324         */
2325        @Deprecated
2326        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2327
2328        /**
2329         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2330         */
2331        @Deprecated
2332        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2333                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2334
2335        /**
2336         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2337         */
2338        @Deprecated
2339        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2340
2341        /**
2342         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2343         */
2344        @Deprecated
2345        public static final String MODE_RINGER = Global.MODE_RINGER;
2346
2347        /**
2348         * Whether to use static IP and other static network attributes.
2349         * <p>
2350         * Set to 1 for true and 0 for false.
2351         *
2352         * @deprecated Use {@link WifiManager} instead
2353         */
2354        @Deprecated
2355        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2356
2357        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2358
2359        /**
2360         * The static IP address.
2361         * <p>
2362         * Example: "192.168.1.51"
2363         *
2364         * @deprecated Use {@link WifiManager} instead
2365         */
2366        @Deprecated
2367        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2368
2369        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2370
2371        /**
2372         * If using static IP, the gateway's IP address.
2373         * <p>
2374         * Example: "192.168.1.1"
2375         *
2376         * @deprecated Use {@link WifiManager} instead
2377         */
2378        @Deprecated
2379        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2380
2381        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2382
2383        /**
2384         * If using static IP, the net mask.
2385         * <p>
2386         * Example: "255.255.255.0"
2387         *
2388         * @deprecated Use {@link WifiManager} instead
2389         */
2390        @Deprecated
2391        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2392
2393        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2394
2395        /**
2396         * If using static IP, the primary DNS's IP address.
2397         * <p>
2398         * Example: "192.168.1.1"
2399         *
2400         * @deprecated Use {@link WifiManager} instead
2401         */
2402        @Deprecated
2403        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2404
2405        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2406
2407        /**
2408         * If using static IP, the secondary DNS's IP address.
2409         * <p>
2410         * Example: "192.168.1.2"
2411         *
2412         * @deprecated Use {@link WifiManager} instead
2413         */
2414        @Deprecated
2415        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2416
2417        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2418
2419        /**
2420         * Determines whether remote devices may discover and/or connect to
2421         * this device.
2422         * <P>Type: INT</P>
2423         * 2 -- discoverable and connectable
2424         * 1 -- connectable but not discoverable
2425         * 0 -- neither connectable nor discoverable
2426         */
2427        public static final String BLUETOOTH_DISCOVERABILITY =
2428            "bluetooth_discoverability";
2429
2430        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2431                new InclusiveIntegerRangeValidator(0, 2);
2432
2433        /**
2434         * Bluetooth discoverability timeout.  If this value is nonzero, then
2435         * Bluetooth becomes discoverable for a certain number of seconds,
2436         * after which is becomes simply connectable.  The value is in seconds.
2437         */
2438        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2439            "bluetooth_discoverability_timeout";
2440
2441        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2442                sNonNegativeIntegerValidator;
2443
2444        /**
2445         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2446         * instead
2447         */
2448        @Deprecated
2449        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2450
2451        /**
2452         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2453         * instead
2454         */
2455        @Deprecated
2456        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2457
2458        /**
2459         * @deprecated Use
2460         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2461         * instead
2462         */
2463        @Deprecated
2464        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2465            "lock_pattern_tactile_feedback_enabled";
2466
2467        /**
2468         * A formatted string of the next alarm that is set, or the empty string
2469         * if there is no alarm set.
2470         *
2471         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2472         */
2473        @Deprecated
2474        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2475
2476        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2477            private static final int MAX_LENGTH = 1000;
2478
2479            @Override
2480            public boolean validate(String value) {
2481                // TODO: No idea what the correct format is.
2482                return value == null || value.length() < MAX_LENGTH;
2483            }
2484        };
2485
2486        /**
2487         * Scaling factor for fonts, float.
2488         */
2489        public static final String FONT_SCALE = "font_scale";
2490
2491        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2492            @Override
2493            public boolean validate(String value) {
2494                try {
2495                    return Float.parseFloat(value) >= 0;
2496                } catch (NumberFormatException e) {
2497                    return false;
2498                }
2499            }
2500        };
2501
2502        /**
2503         * The serialized system locale value.
2504         *
2505         * Do not use this value directory.
2506         * To get system locale, use {@link android.util.LocaleList#getDefault} instead.
2507         * To update system locale, use {@link com.android.internal.app.LocalePicker#updateLocales}
2508         * instead.
2509         * @hide
2510         */
2511        public static final String SYSTEM_LOCALES = "system_locales";
2512
2513
2514        /**
2515         * Name of an application package to be debugged.
2516         *
2517         * @deprecated Use {@link Global#DEBUG_APP} instead
2518         */
2519        @Deprecated
2520        public static final String DEBUG_APP = Global.DEBUG_APP;
2521
2522        /**
2523         * If 1, when launching DEBUG_APP it will wait for the debugger before
2524         * starting user code.  If 0, it will run normally.
2525         *
2526         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2527         */
2528        @Deprecated
2529        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2530
2531        /**
2532         * Whether or not to dim the screen. 0=no  1=yes
2533         * @deprecated This setting is no longer used.
2534         */
2535        @Deprecated
2536        public static final String DIM_SCREEN = "dim_screen";
2537
2538        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2539
2540        /**
2541         * The amount of time in milliseconds before the device goes to sleep or begins
2542         * to dream after a period of inactivity.  This value is also known as the
2543         * user activity timeout period since the screen isn't necessarily turned off
2544         * when it expires.
2545         */
2546        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2547
2548        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2549
2550        /**
2551         * The screen backlight brightness between 0 and 255.
2552         */
2553        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2554
2555        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2556                new InclusiveIntegerRangeValidator(0, 255);
2557
2558        /**
2559         * Control whether to enable automatic brightness mode.
2560         */
2561        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2562
2563        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2564
2565        /**
2566         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2567         * or less (<0.0 >-1.0) bright.
2568         * @hide
2569         */
2570        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2571
2572        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2573                new InclusiveFloatRangeValidator(-1, 1);
2574
2575        /**
2576         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2577         */
2578        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2579
2580        /**
2581         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2582         */
2583        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2584
2585        /**
2586         * Control whether the process CPU usage meter should be shown.
2587         *
2588         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2589         */
2590        @Deprecated
2591        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2592
2593        /**
2594         * If 1, the activity manager will aggressively finish activities and
2595         * processes as soon as they are no longer needed.  If 0, the normal
2596         * extended lifetime is used.
2597         *
2598         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2599         */
2600        @Deprecated
2601        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2602
2603        /**
2604         * Determines which streams are affected by ringer mode changes. The
2605         * stream type's bit should be set to 1 if it should be muted when going
2606         * into an inaudible ringer mode.
2607         */
2608        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2609
2610        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2611                sNonNegativeIntegerValidator;
2612
2613        /**
2614          * Determines which streams are affected by mute. The
2615          * stream type's bit should be set to 1 if it should be muted when a mute request
2616          * is received.
2617          */
2618        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2619
2620        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2621                sNonNegativeIntegerValidator;
2622
2623        /**
2624         * Whether vibrate is on for different events. This is used internally,
2625         * changing this value will not change the vibrate. See AudioManager.
2626         */
2627        public static final String VIBRATE_ON = "vibrate_on";
2628
2629        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2630
2631        /**
2632         * If 1, redirects the system vibrator to all currently attached input devices
2633         * that support vibration.  If there are no such input devices, then the system
2634         * vibrator is used instead.
2635         * If 0, does not register the system vibrator.
2636         *
2637         * This setting is mainly intended to provide a compatibility mechanism for
2638         * applications that only know about the system vibrator and do not use the
2639         * input device vibrator API.
2640         *
2641         * @hide
2642         */
2643        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2644
2645        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2646
2647        /**
2648         * Ringer volume. This is used internally, changing this value will not
2649         * change the volume. See AudioManager.
2650         *
2651         * @removed Not used by anything since API 2.
2652         */
2653        public static final String VOLUME_RING = "volume_ring";
2654
2655        /**
2656         * System/notifications volume. This is used internally, changing this
2657         * value will not change the volume. See AudioManager.
2658         *
2659         * @removed Not used by anything since API 2.
2660         */
2661        public static final String VOLUME_SYSTEM = "volume_system";
2662
2663        /**
2664         * Voice call volume. This is used internally, changing this value will
2665         * not change the volume. See AudioManager.
2666         *
2667         * @removed Not used by anything since API 2.
2668         */
2669        public static final String VOLUME_VOICE = "volume_voice";
2670
2671        /**
2672         * Music/media/gaming volume. This is used internally, changing this
2673         * value will not change the volume. See AudioManager.
2674         *
2675         * @removed Not used by anything since API 2.
2676         */
2677        public static final String VOLUME_MUSIC = "volume_music";
2678
2679        /**
2680         * Alarm volume. This is used internally, changing this
2681         * value will not change the volume. See AudioManager.
2682         *
2683         * @removed Not used by anything since API 2.
2684         */
2685        public static final String VOLUME_ALARM = "volume_alarm";
2686
2687        /**
2688         * Notification volume. This is used internally, changing this
2689         * value will not change the volume. See AudioManager.
2690         *
2691         * @removed Not used by anything since API 2.
2692         */
2693        public static final String VOLUME_NOTIFICATION = "volume_notification";
2694
2695        /**
2696         * Bluetooth Headset volume. This is used internally, changing this value will
2697         * not change the volume. See AudioManager.
2698         *
2699         * @removed Not used by anything since API 2.
2700         */
2701        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2702
2703        /**
2704         * Master volume (float in the range 0.0f to 1.0f).
2705         *
2706         * @hide
2707         */
2708        public static final String VOLUME_MASTER = "volume_master";
2709
2710        /**
2711         * Master mono (int 1 = mono, 0 = normal).
2712         *
2713         * @hide
2714         */
2715        public static final String MASTER_MONO = "master_mono";
2716
2717        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2718
2719        /**
2720         * Whether the notifications should use the ring volume (value of 1) or
2721         * a separate notification volume (value of 0). In most cases, users
2722         * will have this enabled so the notification and ringer volumes will be
2723         * the same. However, power users can disable this and use the separate
2724         * notification volume control.
2725         * <p>
2726         * Note: This is a one-off setting that will be removed in the future
2727         * when there is profile support. For this reason, it is kept hidden
2728         * from the public APIs.
2729         *
2730         * @hide
2731         * @deprecated
2732         */
2733        @Deprecated
2734        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2735            "notifications_use_ring_volume";
2736
2737        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2738
2739        /**
2740         * Whether silent mode should allow vibration feedback. This is used
2741         * internally in AudioService and the Sound settings activity to
2742         * coordinate decoupling of vibrate and silent modes. This setting
2743         * will likely be removed in a future release with support for
2744         * audio/vibe feedback profiles.
2745         *
2746         * Not used anymore. On devices with vibrator, the user explicitly selects
2747         * silent or vibrate mode.
2748         * Kept for use by legacy database upgrade code in DatabaseHelper.
2749         * @hide
2750         */
2751        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2752
2753        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2754
2755        /**
2756         * The mapping of stream type (integer) to its setting.
2757         *
2758         * @removed  Not used by anything since API 2.
2759         */
2760        public static final String[] VOLUME_SETTINGS = {
2761            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2762            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2763        };
2764
2765        /**
2766         * Appended to various volume related settings to record the previous
2767         * values before they the settings were affected by a silent/vibrate
2768         * ringer mode change.
2769         *
2770         * @removed  Not used by anything since API 2.
2771         */
2772        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2773
2774        /**
2775         * Persistent store for the system-wide default ringtone URI.
2776         * <p>
2777         * If you need to play the default ringtone at any given time, it is recommended
2778         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2779         * to the set default ringtone at the time of playing.
2780         *
2781         * @see #DEFAULT_RINGTONE_URI
2782         */
2783        public static final String RINGTONE = "ringtone";
2784
2785        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2786
2787        /**
2788         * A {@link Uri} that will point to the current default ringtone at any
2789         * given time.
2790         * <p>
2791         * If the current default ringtone is in the DRM provider and the caller
2792         * does not have permission, the exception will be a
2793         * FileNotFoundException.
2794         */
2795        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2796
2797        /** {@hide} */
2798        public static final String RINGTONE_CACHE = "ringtone_cache";
2799        /** {@hide} */
2800        public static final Uri RINGTONE_CACHE_URI = getUriFor(RINGTONE_CACHE);
2801
2802        /**
2803         * Persistent store for the system-wide default notification sound.
2804         *
2805         * @see #RINGTONE
2806         * @see #DEFAULT_NOTIFICATION_URI
2807         */
2808        public static final String NOTIFICATION_SOUND = "notification_sound";
2809
2810        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2811
2812        /**
2813         * A {@link Uri} that will point to the current default notification
2814         * sound at any given time.
2815         *
2816         * @see #DEFAULT_RINGTONE_URI
2817         */
2818        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2819
2820        /** {@hide} */
2821        public static final String NOTIFICATION_SOUND_CACHE = "notification_sound_cache";
2822        /** {@hide} */
2823        public static final Uri NOTIFICATION_SOUND_CACHE_URI = getUriFor(NOTIFICATION_SOUND_CACHE);
2824
2825        /**
2826         * Persistent store for the system-wide default alarm alert.
2827         *
2828         * @see #RINGTONE
2829         * @see #DEFAULT_ALARM_ALERT_URI
2830         */
2831        public static final String ALARM_ALERT = "alarm_alert";
2832
2833        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2834
2835        /**
2836         * A {@link Uri} that will point to the current default alarm alert at
2837         * any given time.
2838         *
2839         * @see #DEFAULT_ALARM_ALERT_URI
2840         */
2841        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2842
2843        /** {@hide} */
2844        public static final String ALARM_ALERT_CACHE = "alarm_alert_cache";
2845        /** {@hide} */
2846        public static final Uri ALARM_ALERT_CACHE_URI = getUriFor(ALARM_ALERT_CACHE);
2847
2848        /**
2849         * Persistent store for the system default media button event receiver.
2850         *
2851         * @hide
2852         */
2853        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2854
2855        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2856            @Override
2857            public boolean validate(String value) {
2858                try {
2859                    ComponentName.unflattenFromString(value);
2860                    return true;
2861                } catch (NullPointerException e) {
2862                    return false;
2863                }
2864            }
2865        };
2866
2867        /**
2868         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2869         */
2870        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2871
2872        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2873
2874        /**
2875         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2876         */
2877        public static final String TEXT_AUTO_CAPS = "auto_caps";
2878
2879        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2880
2881        /**
2882         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2883         * feature converts two spaces to a "." and space.
2884         */
2885        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2886
2887        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2888
2889        /**
2890         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2891         */
2892        public static final String TEXT_SHOW_PASSWORD = "show_password";
2893
2894        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2895
2896        public static final String SHOW_GTALK_SERVICE_STATUS =
2897                "SHOW_GTALK_SERVICE_STATUS";
2898
2899        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2900
2901        /**
2902         * Name of activity to use for wallpaper on the home screen.
2903         *
2904         * @deprecated Use {@link WallpaperManager} instead.
2905         */
2906        @Deprecated
2907        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2908
2909        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2910            private static final int MAX_LENGTH = 1000;
2911
2912            @Override
2913            public boolean validate(String value) {
2914                if (value != null && value.length() > MAX_LENGTH) {
2915                    return false;
2916                }
2917                return ComponentName.unflattenFromString(value) != null;
2918            }
2919        };
2920
2921        /**
2922         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2923         * instead
2924         */
2925        @Deprecated
2926        public static final String AUTO_TIME = Global.AUTO_TIME;
2927
2928        /**
2929         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2930         * instead
2931         */
2932        @Deprecated
2933        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2934
2935        /**
2936         * Display times as 12 or 24 hours
2937         *   12
2938         *   24
2939         */
2940        public static final String TIME_12_24 = "time_12_24";
2941
2942        /** @hide */
2943        public static final Validator TIME_12_24_VALIDATOR =
2944                new DiscreteValueValidator(new String[] {"12", "24"});
2945
2946        /**
2947         * Date format string
2948         *   mm/dd/yyyy
2949         *   dd/mm/yyyy
2950         *   yyyy/mm/dd
2951         */
2952        public static final String DATE_FORMAT = "date_format";
2953
2954        /** @hide */
2955        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2956            @Override
2957            public boolean validate(String value) {
2958                try {
2959                    new SimpleDateFormat(value);
2960                    return true;
2961                } catch (IllegalArgumentException e) {
2962                    return false;
2963                }
2964            }
2965        };
2966
2967        /**
2968         * Whether the setup wizard has been run before (on first boot), or if
2969         * it still needs to be run.
2970         *
2971         * nonzero = it has been run in the past
2972         * 0 = it has not been run in the past
2973         */
2974        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2975
2976        /** @hide */
2977        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2978
2979        /**
2980         * Scaling factor for normal window animations. Setting to 0 will disable window
2981         * animations.
2982         *
2983         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2984         */
2985        @Deprecated
2986        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2987
2988        /**
2989         * Scaling factor for activity transition animations. Setting to 0 will disable window
2990         * animations.
2991         *
2992         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2993         */
2994        @Deprecated
2995        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2996
2997        /**
2998         * Scaling factor for Animator-based animations. This affects both the start delay and
2999         * duration of all such animations. Setting to 0 will cause animations to end immediately.
3000         * The default value is 1.
3001         *
3002         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
3003         */
3004        @Deprecated
3005        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
3006
3007        /**
3008         * Control whether the accelerometer will be used to change screen
3009         * orientation.  If 0, it will not be used unless explicitly requested
3010         * by the application; if 1, it will be used by default unless explicitly
3011         * disabled by the application.
3012         */
3013        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
3014
3015        /** @hide */
3016        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
3017
3018        /**
3019         * Default screen rotation when no other policy applies.
3020         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
3021         * preference, this rotation value will be used. Must be one of the
3022         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
3023         *
3024         * @see android.view.Display#getRotation
3025         */
3026        public static final String USER_ROTATION = "user_rotation";
3027
3028        /** @hide */
3029        public static final Validator USER_ROTATION_VALIDATOR =
3030                new InclusiveIntegerRangeValidator(0, 3);
3031
3032        /**
3033         * Control whether the rotation lock toggle in the System UI should be hidden.
3034         * Typically this is done for accessibility purposes to make it harder for
3035         * the user to accidentally toggle the rotation lock while the display rotation
3036         * has been locked for accessibility.
3037         *
3038         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
3039         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
3040         *
3041         * @hide
3042         */
3043        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
3044                "hide_rotation_lock_toggle_for_accessibility";
3045
3046        /** @hide */
3047        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
3048                sBooleanValidator;
3049
3050        /**
3051         * Whether the phone vibrates when it is ringing due to an incoming call. This will
3052         * be used by Phone and Setting apps; it shouldn't affect other apps.
3053         * The value is boolean (1 or 0).
3054         *
3055         * Note: this is not same as "vibrate on ring", which had been available until ICS.
3056         * It was about AudioManager's setting and thus affected all the applications which
3057         * relied on the setting, while this is purely about the vibration setting for incoming
3058         * calls.
3059         */
3060        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
3061
3062        /** @hide */
3063        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
3064
3065        /**
3066         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
3067         * boolean (1 or 0).
3068         */
3069        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
3070
3071        /** @hide */
3072        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3073
3074        /**
3075         * CDMA only settings
3076         * DTMF tone type played by the dialer when dialing.
3077         *                 0 = Normal
3078         *                 1 = Long
3079         */
3080        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3081
3082        /** @hide */
3083        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3084
3085        /**
3086         * Whether the hearing aid is enabled. The value is
3087         * boolean (1 or 0).
3088         * @hide
3089         */
3090        public static final String HEARING_AID = "hearing_aid";
3091
3092        /** @hide */
3093        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3094
3095        /**
3096         * CDMA only settings
3097         * TTY Mode
3098         * 0 = OFF
3099         * 1 = FULL
3100         * 2 = VCO
3101         * 3 = HCO
3102         * @hide
3103         */
3104        public static final String TTY_MODE = "tty_mode";
3105
3106        /** @hide */
3107        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3108
3109        /**
3110         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3111         * boolean (1 or 0).
3112         */
3113        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3114
3115        /** @hide */
3116        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3117
3118        /**
3119         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3120         * boolean (1 or 0).
3121         */
3122        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3123
3124        /** @hide */
3125        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3126
3127        /**
3128         * @deprecated Each application that shows web suggestions should have its own
3129         * setting for this.
3130         */
3131        @Deprecated
3132        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3133
3134        /** @hide */
3135        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3136
3137        /**
3138         * Whether the notification LED should repeatedly flash when a notification is
3139         * pending. The value is boolean (1 or 0).
3140         * @hide
3141         */
3142        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3143
3144        /** @hide */
3145        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3146
3147        /**
3148         * Show pointer location on screen?
3149         * 0 = no
3150         * 1 = yes
3151         * @hide
3152         */
3153        public static final String POINTER_LOCATION = "pointer_location";
3154
3155        /** @hide */
3156        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3157
3158        /**
3159         * Show touch positions on screen?
3160         * 0 = no
3161         * 1 = yes
3162         * @hide
3163         */
3164        public static final String SHOW_TOUCHES = "show_touches";
3165
3166        /** @hide */
3167        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3168
3169        /**
3170         * Log raw orientation data from
3171         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3172         * orientationplot.py tool.
3173         * 0 = no
3174         * 1 = yes
3175         * @hide
3176         */
3177        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3178                "window_orientation_listener_log";
3179
3180        /** @hide */
3181        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3182
3183        /**
3184         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3185         * instead
3186         * @hide
3187         */
3188        @Deprecated
3189        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3190
3191        /**
3192         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3193         * instead
3194         * @hide
3195         */
3196        @Deprecated
3197        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3198
3199        /**
3200         * Whether to play sounds when the keyguard is shown and dismissed.
3201         * @hide
3202         */
3203        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3204
3205        /** @hide */
3206        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3207
3208        /**
3209         * Whether the lockscreen should be completely disabled.
3210         * @hide
3211         */
3212        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3213
3214        /** @hide */
3215        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3216
3217        /**
3218         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3219         * instead
3220         * @hide
3221         */
3222        @Deprecated
3223        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3224
3225        /**
3226         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3227         * instead
3228         * @hide
3229         */
3230        @Deprecated
3231        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3232
3233        /**
3234         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3235         * instead
3236         * @hide
3237         */
3238        @Deprecated
3239        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3240
3241        /**
3242         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3243         * instead
3244         * @hide
3245         */
3246        @Deprecated
3247        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3248
3249        /**
3250         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3251         * instead
3252         * @hide
3253         */
3254        @Deprecated
3255        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3256
3257        /**
3258         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3259         * instead
3260         * @hide
3261         */
3262        @Deprecated
3263        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3264
3265        /**
3266         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3267         * instead
3268         * @hide
3269         */
3270        @Deprecated
3271        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3272
3273        /**
3274         * Receive incoming SIP calls?
3275         * 0 = no
3276         * 1 = yes
3277         * @hide
3278         */
3279        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3280
3281        /** @hide */
3282        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3283
3284        /**
3285         * Call Preference String.
3286         * "SIP_ALWAYS" : Always use SIP with network access
3287         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3288         * @hide
3289         */
3290        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3291
3292        /** @hide */
3293        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3294                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3295
3296        /**
3297         * One of the sip call options: Always use SIP with network access.
3298         * @hide
3299         */
3300        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3301
3302        /** @hide */
3303        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3304
3305        /**
3306         * One of the sip call options: Only if destination is a SIP address.
3307         * @hide
3308         */
3309        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3310
3311        /** @hide */
3312        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3313
3314        /**
3315         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3316         * the user should be prompted each time a call is made whether it should be placed using
3317         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3318         * SIP_ADDRESS_ONLY.
3319         * @hide
3320         */
3321        @Deprecated
3322        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3323
3324        /** @hide */
3325        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3326
3327        /**
3328         * Pointer speed setting.
3329         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3330         *   -7 = slowest
3331         *    0 = default speed
3332         *   +7 = fastest
3333         * @hide
3334         */
3335        public static final String POINTER_SPEED = "pointer_speed";
3336
3337        /** @hide */
3338        public static final Validator POINTER_SPEED_VALIDATOR =
3339                new InclusiveFloatRangeValidator(-7, 7);
3340
3341        /**
3342         * Whether lock-to-app will be triggered by long-press on recents.
3343         * @hide
3344         */
3345        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3346
3347        /** @hide */
3348        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3349
3350        /**
3351         * I am the lolrus.
3352         * <p>
3353         * Nonzero values indicate that the user has a bukkit.
3354         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3355         * @hide
3356         */
3357        public static final String EGG_MODE = "egg_mode";
3358
3359        /** @hide */
3360        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3361            @Override
3362            public boolean validate(String value) {
3363                try {
3364                    return Long.parseLong(value) >= 0;
3365                } catch (NumberFormatException e) {
3366                    return false;
3367                }
3368            }
3369        };
3370
3371        /**
3372         * IMPORTANT: If you add a new public settings you also have to add it to
3373         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3374         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3375         * the setting value. See an example above.
3376         */
3377
3378        /**
3379         * Settings to backup. This is here so that it's in the same place as the settings
3380         * keys and easy to update.
3381         *
3382         * NOTE: Settings are backed up and restored in the order they appear
3383         *       in this array. If you have one setting depending on another,
3384         *       make sure that they are ordered appropriately.
3385         *
3386         * @hide
3387         */
3388        public static final String[] SETTINGS_TO_BACKUP = {
3389            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3390            WIFI_USE_STATIC_IP,
3391            WIFI_STATIC_IP,
3392            WIFI_STATIC_GATEWAY,
3393            WIFI_STATIC_NETMASK,
3394            WIFI_STATIC_DNS1,
3395            WIFI_STATIC_DNS2,
3396            BLUETOOTH_DISCOVERABILITY,
3397            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3398            FONT_SCALE,
3399            DIM_SCREEN,
3400            SCREEN_OFF_TIMEOUT,
3401            SCREEN_BRIGHTNESS,
3402            SCREEN_BRIGHTNESS_MODE,
3403            SCREEN_AUTO_BRIGHTNESS_ADJ,
3404            VIBRATE_INPUT_DEVICES,
3405            MODE_RINGER_STREAMS_AFFECTED,
3406            TEXT_AUTO_REPLACE,
3407            TEXT_AUTO_CAPS,
3408            TEXT_AUTO_PUNCTUATE,
3409            TEXT_SHOW_PASSWORD,
3410            AUTO_TIME,                  // moved to global
3411            AUTO_TIME_ZONE,             // moved to global
3412            TIME_12_24,
3413            DATE_FORMAT,
3414            DTMF_TONE_WHEN_DIALING,
3415            DTMF_TONE_TYPE_WHEN_DIALING,
3416            HEARING_AID,
3417            TTY_MODE,
3418            SOUND_EFFECTS_ENABLED,
3419            HAPTIC_FEEDBACK_ENABLED,
3420            POWER_SOUNDS_ENABLED,       // moved to global
3421            DOCK_SOUNDS_ENABLED,        // moved to global
3422            LOCKSCREEN_SOUNDS_ENABLED,
3423            SHOW_WEB_SUGGESTIONS,
3424            SIP_CALL_OPTIONS,
3425            SIP_RECEIVE_CALLS,
3426            POINTER_SPEED,
3427            VIBRATE_WHEN_RINGING,
3428            RINGTONE,
3429            LOCK_TO_APP_ENABLED,
3430            NOTIFICATION_SOUND,
3431            ACCELEROMETER_ROTATION
3432        };
3433
3434        /**
3435         * These are all public system settings
3436         *
3437         * @hide
3438         */
3439        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3440        static {
3441            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3442            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3443            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3444            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3445            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3446            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3447            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3448            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3449            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3450            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3451            PUBLIC_SETTINGS.add(FONT_SCALE);
3452            PUBLIC_SETTINGS.add(DIM_SCREEN);
3453            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3454            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3455            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3456            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3457            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3458            PUBLIC_SETTINGS.add(VIBRATE_ON);
3459            PUBLIC_SETTINGS.add(VOLUME_RING);
3460            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3461            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3462            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3463            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3464            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3465            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3466            PUBLIC_SETTINGS.add(RINGTONE);
3467            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3468            PUBLIC_SETTINGS.add(ALARM_ALERT);
3469            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3470            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3471            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3472            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3473            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3474            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3475            PUBLIC_SETTINGS.add(TIME_12_24);
3476            PUBLIC_SETTINGS.add(DATE_FORMAT);
3477            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3478            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3479            PUBLIC_SETTINGS.add(USER_ROTATION);
3480            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3481            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3482            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3483            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3484            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3485        }
3486
3487        /**
3488         * These are all hidden system settings.
3489         *
3490         * @hide
3491         */
3492        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3493        static {
3494            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3495            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3496            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3497            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3498            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3499            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3500            PRIVATE_SETTINGS.add(MASTER_MONO);
3501            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3502            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3503            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3504            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3505            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3506            PRIVATE_SETTINGS.add(HEARING_AID);
3507            PRIVATE_SETTINGS.add(TTY_MODE);
3508            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3509            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3510            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3511            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3512            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3513            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3514            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3515            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3516            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3517            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3518            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3519            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3520            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3521            PRIVATE_SETTINGS.add(LOCK_SOUND);
3522            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3523            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3524            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3525            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3526            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3527            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3528            PRIVATE_SETTINGS.add(POINTER_SPEED);
3529            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3530            PRIVATE_SETTINGS.add(EGG_MODE);
3531        }
3532
3533        /**
3534         * These are all public system settings
3535         *
3536         * @hide
3537         */
3538        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3539        static {
3540            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3541            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3542            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3543            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3544                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3545            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3546            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3547            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3548            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3549            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3550            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3551            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3552            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3553            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3554            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3555            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3556            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3557            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3558            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3559            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3560            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3561            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3562            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3563            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3564            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3565            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3566            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3567            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3568            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3569            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3570            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3571            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3572            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3573            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3574            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3575            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3576            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3577            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3578            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3579            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3580            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3581            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3582                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3583            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3584            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3585            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3586            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3587            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3588            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3589            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3590            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3591                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3592            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3593            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3594            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3595            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3596            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3597            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3598            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3599            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3600            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3601            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3602            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3603            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3604            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3605            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3606            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3607        }
3608
3609        /**
3610         * These entries are considered common between the personal and the managed profile,
3611         * since the managed profile doesn't get to change them.
3612         */
3613        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3614        static {
3615            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3616            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3617            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3618            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3619            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3620        }
3621
3622        /** @hide */
3623        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3624            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3625        }
3626
3627        /**
3628         * When to use Wi-Fi calling
3629         *
3630         * @see android.telephony.TelephonyManager.WifiCallingChoices
3631         * @hide
3632         */
3633        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3634
3635        // Settings moved to Settings.Secure
3636
3637        /**
3638         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3639         * instead
3640         */
3641        @Deprecated
3642        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3643
3644        /**
3645         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3646         */
3647        @Deprecated
3648        public static final String ANDROID_ID = Secure.ANDROID_ID;
3649
3650        /**
3651         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3652         */
3653        @Deprecated
3654        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3655
3656        /**
3657         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3658         */
3659        @Deprecated
3660        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3661
3662        /**
3663         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3664         */
3665        @Deprecated
3666        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3667
3668        /**
3669         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3670         */
3671        @Deprecated
3672        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3673
3674        /**
3675         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3676         */
3677        @Deprecated
3678        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3679
3680        /**
3681         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3682         * instead
3683         */
3684        @Deprecated
3685        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3686
3687        /**
3688         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3689         */
3690        @Deprecated
3691        public static final String LOGGING_ID = Secure.LOGGING_ID;
3692
3693        /**
3694         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3695         */
3696        @Deprecated
3697        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3698
3699        /**
3700         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3701         * instead
3702         */
3703        @Deprecated
3704        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3705
3706        /**
3707         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3708         * instead
3709         */
3710        @Deprecated
3711        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3712
3713        /**
3714         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3715         * instead
3716         */
3717        @Deprecated
3718        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3719            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3720
3721        /**
3722         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3723         */
3724        @Deprecated
3725        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3726
3727        /**
3728         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3729         */
3730        @Deprecated
3731        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3732
3733        /**
3734         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3735         */
3736        @Deprecated
3737        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3738
3739       /**
3740         * @deprecated Use
3741         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3742         */
3743        @Deprecated
3744        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3745
3746        /**
3747         * @deprecated Use
3748         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3749         */
3750        @Deprecated
3751        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3752                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3753
3754        /**
3755         * @deprecated Use
3756         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3757         */
3758        @Deprecated
3759        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3760                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3761
3762        /**
3763         * @deprecated Use
3764         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3765         */
3766        @Deprecated
3767        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3768                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3769
3770        /**
3771         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3772         * instead
3773         */
3774        @Deprecated
3775        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3776
3777        /**
3778         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3779         */
3780        @Deprecated
3781        public static final String WIFI_ON = Global.WIFI_ON;
3782
3783        /**
3784         * @deprecated Use
3785         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3786         * instead
3787         */
3788        @Deprecated
3789        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3790                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3791
3792        /**
3793         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3794         */
3795        @Deprecated
3796        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3797
3798        /**
3799         * @deprecated Use
3800         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3801         */
3802        @Deprecated
3803        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3804                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3805
3806        /**
3807         * @deprecated Use
3808         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3809         */
3810        @Deprecated
3811        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3812                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3813
3814        /**
3815         * @deprecated Use
3816         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3817         * instead
3818         */
3819        @Deprecated
3820        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3821                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3822
3823        /**
3824         * @deprecated Use
3825         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3826         */
3827        @Deprecated
3828        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3829            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3830
3831        /**
3832         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3833         * instead
3834         */
3835        @Deprecated
3836        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3837
3838        /**
3839         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3840         */
3841        @Deprecated
3842        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3843
3844        /**
3845         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3846         */
3847        @Deprecated
3848        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3849
3850        /**
3851         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3852         * instead
3853         */
3854        @Deprecated
3855        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3856
3857        /**
3858         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3859         * instead
3860         */
3861        @Deprecated
3862        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3863            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3864
3865        /**
3866         * An app can use this method to check if it is currently allowed to write or modify system
3867         * settings. In order to gain write access to the system settings, an app must declare the
3868         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3869         * currently disallowed, it can prompt the user to grant it this capability through a
3870         * management UI by sending an Intent with action
3871         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3872         *
3873         * @param context A context
3874         * @return true if the calling app can write to system settings, false otherwise
3875         */
3876        public static boolean canWrite(Context context) {
3877            int uid = Binder.getCallingUid();
3878            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3879                    context, uid), false);
3880        }
3881    }
3882
3883    /**
3884     * Secure system settings, containing system preferences that applications
3885     * can read but are not allowed to write.  These are for preferences that
3886     * the user must explicitly modify through the system UI or specialized
3887     * APIs for those values, not modified directly by applications.
3888     */
3889    public static final class Secure extends NameValueTable {
3890        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3891
3892        /**
3893         * The content:// style URL for this table
3894         */
3895        public static final Uri CONTENT_URI =
3896            Uri.parse("content://" + AUTHORITY + "/secure");
3897
3898        // Populated lazily, guarded by class object:
3899        private static final NameValueCache sNameValueCache = new NameValueCache(
3900                SYS_PROP_SETTING_VERSION,
3901                CONTENT_URI,
3902                CALL_METHOD_GET_SECURE,
3903                CALL_METHOD_PUT_SECURE);
3904
3905        private static ILockSettings sLockSettings = null;
3906
3907        private static boolean sIsSystemProcess;
3908        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3909        private static final HashSet<String> MOVED_TO_GLOBAL;
3910        static {
3911            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3912            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3913            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3914            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3915
3916            MOVED_TO_GLOBAL = new HashSet<String>();
3917            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3918            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3919            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3920            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3921            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3922            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3923            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3924            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3925            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3926            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3927            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3928            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3929            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3930            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3931            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3932            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3933            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3934            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3935            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3936            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3937            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3938            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3939            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3940            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3941            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3942            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3943            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3944            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3945            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3946            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3947            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3948            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3949            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3950            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3951            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3952            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3953            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3954            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3955            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3956            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3957            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3958            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3959            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3960            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3961            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3962            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3963            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3964            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3965            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3966            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3967            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3968            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3969            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3970            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3971            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3972            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3973            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3974            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3975            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3976            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3977            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3978            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3979            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3980            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3981            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3982            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3983            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3984            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3985            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3986            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3987            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3988            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3989            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3990            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3991            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3992            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3993            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3994            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3995            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3996            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3997            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3998            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3999            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
4000            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
4001            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
4002            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
4003            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
4004            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
4005            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
4006            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
4007            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
4008            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
4009            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
4010            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
4011            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
4012            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
4013            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
4014            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
4015            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
4016            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
4017            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
4018            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
4019            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
4020            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
4021            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
4022            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
4023            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
4024            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
4025            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
4026            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
4027            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
4028        }
4029
4030        /** @hide */
4031        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
4032            outKeySet.addAll(MOVED_TO_GLOBAL);
4033        }
4034
4035        /**
4036         * Look up a name in the database.
4037         * @param resolver to access the database with
4038         * @param name to look up in the table
4039         * @return the corresponding value, or null if not present
4040         */
4041        public static String getString(ContentResolver resolver, String name) {
4042            return getStringForUser(resolver, name, UserHandle.myUserId());
4043        }
4044
4045        /** @hide */
4046        public static String getStringForUser(ContentResolver resolver, String name,
4047                int userHandle) {
4048            if (MOVED_TO_GLOBAL.contains(name)) {
4049                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4050                        + " to android.provider.Settings.Global.");
4051                return Global.getStringForUser(resolver, name, userHandle);
4052            }
4053
4054            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
4055                synchronized (Secure.class) {
4056                    if (sLockSettings == null) {
4057                        sLockSettings = ILockSettings.Stub.asInterface(
4058                                (IBinder) ServiceManager.getService("lock_settings"));
4059                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
4060                    }
4061                }
4062                if (sLockSettings != null && !sIsSystemProcess) {
4063                    // No context; use the ActivityThread's context as an approximation for
4064                    // determining the target API level.
4065                    Application application = ActivityThread.currentApplication();
4066
4067                    boolean isPreMnc = application != null
4068                            && application.getApplicationInfo() != null
4069                            && application.getApplicationInfo().targetSdkVersion
4070                            <= VERSION_CODES.LOLLIPOP_MR1;
4071                    if (isPreMnc) {
4072                        try {
4073                            return sLockSettings.getString(name, "0", userHandle);
4074                        } catch (RemoteException re) {
4075                            // Fall through
4076                        }
4077                    } else {
4078                        throw new SecurityException("Settings.Secure." + name
4079                                + " is deprecated and no longer accessible."
4080                                + " See API documentation for potential replacements.");
4081                    }
4082                }
4083            }
4084
4085            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4086        }
4087
4088        /**
4089         * Store a name/value pair into the database.
4090         * @param resolver to access the database with
4091         * @param name to store
4092         * @param value to associate with the name
4093         * @return true if the value was set, false on database errors
4094         */
4095        public static boolean putString(ContentResolver resolver, String name, String value) {
4096            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4097        }
4098
4099        /** @hide */
4100        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4101                int userHandle) {
4102            if (LOCATION_MODE.equals(name)) {
4103                // HACK ALERT: temporary hack to work around b/10491283.
4104                // TODO: once b/10491283 fixed, remove this hack
4105                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4106            }
4107            if (MOVED_TO_GLOBAL.contains(name)) {
4108                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4109                        + " to android.provider.Settings.Global");
4110                return Global.putStringForUser(resolver, name, value, userHandle);
4111            }
4112            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4113        }
4114
4115        /**
4116         * Construct the content URI for a particular name/value pair,
4117         * useful for monitoring changes with a ContentObserver.
4118         * @param name to look up in the table
4119         * @return the corresponding content URI, or null if not present
4120         */
4121        public static Uri getUriFor(String name) {
4122            if (MOVED_TO_GLOBAL.contains(name)) {
4123                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4124                        + " to android.provider.Settings.Global, returning global URI.");
4125                return Global.getUriFor(Global.CONTENT_URI, name);
4126            }
4127            return getUriFor(CONTENT_URI, name);
4128        }
4129
4130        /**
4131         * Convenience function for retrieving a single secure settings value
4132         * as an integer.  Note that internally setting values are always
4133         * stored as strings; this function converts the string to an integer
4134         * for you.  The default value will be returned if the setting is
4135         * not defined or not an integer.
4136         *
4137         * @param cr The ContentResolver to access.
4138         * @param name The name of the setting to retrieve.
4139         * @param def Value to return if the setting is not defined.
4140         *
4141         * @return The setting's current value, or 'def' if it is not defined
4142         * or not a valid integer.
4143         */
4144        public static int getInt(ContentResolver cr, String name, int def) {
4145            return getIntForUser(cr, name, def, UserHandle.myUserId());
4146        }
4147
4148        /** @hide */
4149        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4150            if (LOCATION_MODE.equals(name)) {
4151                // HACK ALERT: temporary hack to work around b/10491283.
4152                // TODO: once b/10491283 fixed, remove this hack
4153                return getLocationModeForUser(cr, userHandle);
4154            }
4155            String v = getStringForUser(cr, name, userHandle);
4156            try {
4157                return v != null ? Integer.parseInt(v) : def;
4158            } catch (NumberFormatException e) {
4159                return def;
4160            }
4161        }
4162
4163        /**
4164         * Convenience function for retrieving a single secure settings value
4165         * as an integer.  Note that internally setting values are always
4166         * stored as strings; this function converts the string to an integer
4167         * for you.
4168         * <p>
4169         * This version does not take a default value.  If the setting has not
4170         * been set, or the string value is not a number,
4171         * it throws {@link SettingNotFoundException}.
4172         *
4173         * @param cr The ContentResolver to access.
4174         * @param name The name of the setting to retrieve.
4175         *
4176         * @throws SettingNotFoundException Thrown if a setting by the given
4177         * name can't be found or the setting value is not an integer.
4178         *
4179         * @return The setting's current value.
4180         */
4181        public static int getInt(ContentResolver cr, String name)
4182                throws SettingNotFoundException {
4183            return getIntForUser(cr, name, UserHandle.myUserId());
4184        }
4185
4186        /** @hide */
4187        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4188                throws SettingNotFoundException {
4189            if (LOCATION_MODE.equals(name)) {
4190                // HACK ALERT: temporary hack to work around b/10491283.
4191                // TODO: once b/10491283 fixed, remove this hack
4192                return getLocationModeForUser(cr, userHandle);
4193            }
4194            String v = getStringForUser(cr, name, userHandle);
4195            try {
4196                return Integer.parseInt(v);
4197            } catch (NumberFormatException e) {
4198                throw new SettingNotFoundException(name);
4199            }
4200        }
4201
4202        /**
4203         * Convenience function for updating a single settings value as an
4204         * integer. This will either create a new entry in the table if the
4205         * given name does not exist, or modify the value of the existing row
4206         * with that name.  Note that internally setting values are always
4207         * stored as strings, so this function converts the given value to a
4208         * string before storing it.
4209         *
4210         * @param cr The ContentResolver to access.
4211         * @param name The name of the setting to modify.
4212         * @param value The new value for the setting.
4213         * @return true if the value was set, false on database errors
4214         */
4215        public static boolean putInt(ContentResolver cr, String name, int value) {
4216            return putIntForUser(cr, name, value, UserHandle.myUserId());
4217        }
4218
4219        /** @hide */
4220        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4221                int userHandle) {
4222            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4223        }
4224
4225        /**
4226         * Convenience function for retrieving a single secure settings value
4227         * as a {@code long}.  Note that internally setting values are always
4228         * stored as strings; this function converts the string to a {@code long}
4229         * for you.  The default value will be returned if the setting is
4230         * not defined or not a {@code long}.
4231         *
4232         * @param cr The ContentResolver to access.
4233         * @param name The name of the setting to retrieve.
4234         * @param def Value to return if the setting is not defined.
4235         *
4236         * @return The setting's current value, or 'def' if it is not defined
4237         * or not a valid {@code long}.
4238         */
4239        public static long getLong(ContentResolver cr, String name, long def) {
4240            return getLongForUser(cr, name, def, UserHandle.myUserId());
4241        }
4242
4243        /** @hide */
4244        public static long getLongForUser(ContentResolver cr, String name, long def,
4245                int userHandle) {
4246            String valString = getStringForUser(cr, name, userHandle);
4247            long value;
4248            try {
4249                value = valString != null ? Long.parseLong(valString) : def;
4250            } catch (NumberFormatException e) {
4251                value = def;
4252            }
4253            return value;
4254        }
4255
4256        /**
4257         * Convenience function for retrieving a single secure settings value
4258         * as a {@code long}.  Note that internally setting values are always
4259         * stored as strings; this function converts the string to a {@code long}
4260         * for you.
4261         * <p>
4262         * This version does not take a default value.  If the setting has not
4263         * been set, or the string value is not a number,
4264         * it throws {@link SettingNotFoundException}.
4265         *
4266         * @param cr The ContentResolver to access.
4267         * @param name The name of the setting to retrieve.
4268         *
4269         * @return The setting's current value.
4270         * @throws SettingNotFoundException Thrown if a setting by the given
4271         * name can't be found or the setting value is not an integer.
4272         */
4273        public static long getLong(ContentResolver cr, String name)
4274                throws SettingNotFoundException {
4275            return getLongForUser(cr, name, UserHandle.myUserId());
4276        }
4277
4278        /** @hide */
4279        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4280                throws SettingNotFoundException {
4281            String valString = getStringForUser(cr, name, userHandle);
4282            try {
4283                return Long.parseLong(valString);
4284            } catch (NumberFormatException e) {
4285                throw new SettingNotFoundException(name);
4286            }
4287        }
4288
4289        /**
4290         * Convenience function for updating a secure settings value as a long
4291         * integer. This will either create a new entry in the table if the
4292         * given name does not exist, or modify the value of the existing row
4293         * with that name.  Note that internally setting values are always
4294         * stored as strings, so this function converts the given value to a
4295         * string before storing it.
4296         *
4297         * @param cr The ContentResolver to access.
4298         * @param name The name of the setting to modify.
4299         * @param value The new value for the setting.
4300         * @return true if the value was set, false on database errors
4301         */
4302        public static boolean putLong(ContentResolver cr, String name, long value) {
4303            return putLongForUser(cr, name, value, UserHandle.myUserId());
4304        }
4305
4306        /** @hide */
4307        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4308                int userHandle) {
4309            return putStringForUser(cr, name, Long.toString(value), userHandle);
4310        }
4311
4312        /**
4313         * Convenience function for retrieving a single secure settings value
4314         * as a floating point number.  Note that internally setting values are
4315         * always stored as strings; this function converts the string to an
4316         * float for you. The default value will be returned if the setting
4317         * is not defined or not a valid float.
4318         *
4319         * @param cr The ContentResolver to access.
4320         * @param name The name of the setting to retrieve.
4321         * @param def Value to return if the setting is not defined.
4322         *
4323         * @return The setting's current value, or 'def' if it is not defined
4324         * or not a valid float.
4325         */
4326        public static float getFloat(ContentResolver cr, String name, float def) {
4327            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4328        }
4329
4330        /** @hide */
4331        public static float getFloatForUser(ContentResolver cr, String name, float def,
4332                int userHandle) {
4333            String v = getStringForUser(cr, name, userHandle);
4334            try {
4335                return v != null ? Float.parseFloat(v) : def;
4336            } catch (NumberFormatException e) {
4337                return def;
4338            }
4339        }
4340
4341        /**
4342         * Convenience function for retrieving a single secure settings value
4343         * as a float.  Note that internally setting values are always
4344         * stored as strings; this function converts the string to a float
4345         * for you.
4346         * <p>
4347         * This version does not take a default value.  If the setting has not
4348         * been set, or the string value is not a number,
4349         * it throws {@link SettingNotFoundException}.
4350         *
4351         * @param cr The ContentResolver to access.
4352         * @param name The name of the setting to retrieve.
4353         *
4354         * @throws SettingNotFoundException Thrown if a setting by the given
4355         * name can't be found or the setting value is not a float.
4356         *
4357         * @return The setting's current value.
4358         */
4359        public static float getFloat(ContentResolver cr, String name)
4360                throws SettingNotFoundException {
4361            return getFloatForUser(cr, name, UserHandle.myUserId());
4362        }
4363
4364        /** @hide */
4365        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4366                throws SettingNotFoundException {
4367            String v = getStringForUser(cr, name, userHandle);
4368            if (v == null) {
4369                throw new SettingNotFoundException(name);
4370            }
4371            try {
4372                return Float.parseFloat(v);
4373            } catch (NumberFormatException e) {
4374                throw new SettingNotFoundException(name);
4375            }
4376        }
4377
4378        /**
4379         * Convenience function for updating a single settings value as a
4380         * floating point number. This will either create a new entry in the
4381         * table if the given name does not exist, or modify the value of the
4382         * existing row with that name.  Note that internally setting values
4383         * are always stored as strings, so this function converts the given
4384         * value to a string before storing it.
4385         *
4386         * @param cr The ContentResolver to access.
4387         * @param name The name of the setting to modify.
4388         * @param value The new value for the setting.
4389         * @return true if the value was set, false on database errors
4390         */
4391        public static boolean putFloat(ContentResolver cr, String name, float value) {
4392            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4393        }
4394
4395        /** @hide */
4396        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4397                int userHandle) {
4398            return putStringForUser(cr, name, Float.toString(value), userHandle);
4399        }
4400
4401        /**
4402         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4403         * instead
4404         */
4405        @Deprecated
4406        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4407                Global.DEVELOPMENT_SETTINGS_ENABLED;
4408
4409        /**
4410         * When the user has enable the option to have a "bug report" command
4411         * in the power menu.
4412         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4413         * @hide
4414         */
4415        @Deprecated
4416        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4417
4418        /**
4419         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4420         */
4421        @Deprecated
4422        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4423
4424        /**
4425         * Setting to allow mock locations and location provider status to be injected into the
4426         * LocationManager service for testing purposes during application development.  These
4427         * locations and status values  override actual location and status information generated
4428         * by network, gps, or other location providers.
4429         *
4430         * @deprecated This settings is not used anymore.
4431         */
4432        @Deprecated
4433        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4434
4435        /**
4436         * A 64-bit number (as a hex string) that is randomly
4437         * generated when the user first sets up the device and should remain
4438         * constant for the lifetime of the user's device. The value may
4439         * change if a factory reset is performed on the device.
4440         * <p class="note"><strong>Note:</strong> When a device has <a
4441         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4442         * (available on certain devices running Android 4.2 or higher), each user appears as a
4443         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4444         * user.</p>
4445         */
4446        public static final String ANDROID_ID = "android_id";
4447
4448        /**
4449         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4450         */
4451        @Deprecated
4452        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4453
4454        /**
4455         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4456         */
4457        @Deprecated
4458        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4459
4460        /**
4461         * Setting to record the input method used by default, holding the ID
4462         * of the desired method.
4463         */
4464        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4465
4466        /**
4467         * Setting to record the input method subtype used by default, holding the ID
4468         * of the desired method.
4469         */
4470        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4471                "selected_input_method_subtype";
4472
4473        /**
4474         * Setting to record the history of input method subtype, holding the pair of ID of IME
4475         * and its last used subtype.
4476         * @hide
4477         */
4478        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4479                "input_methods_subtype_history";
4480
4481        /**
4482         * Setting to record the visibility of input method selector
4483         */
4484        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4485                "input_method_selector_visibility";
4486
4487        /**
4488         * The currently selected voice interaction service flattened ComponentName.
4489         * @hide
4490         */
4491        @TestApi
4492        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4493
4494        /**
4495         * bluetooth HCI snoop log configuration
4496         * @hide
4497         */
4498        public static final String BLUETOOTH_HCI_LOG =
4499                "bluetooth_hci_log";
4500
4501        /**
4502         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4503         */
4504        @Deprecated
4505        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4506
4507        /**
4508         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4509         * @hide
4510         */
4511        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4512
4513        /**
4514         * Prefix for category name that marks whether a suggested action from that category was
4515         * completed.
4516         * @hide
4517         */
4518        public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
4519
4520        /**
4521         * List of input methods that are currently enabled.  This is a string
4522         * containing the IDs of all enabled input methods, each ID separated
4523         * by ':'.
4524         */
4525        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4526
4527        /**
4528         * List of system input methods that are currently disabled.  This is a string
4529         * containing the IDs of all disabled input methods, each ID separated
4530         * by ':'.
4531         * @hide
4532         */
4533        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4534
4535        /**
4536         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4537         * determines if the IME should be shown when a hard keyboard is attached.
4538         * @hide
4539         */
4540        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4541
4542        /**
4543         * Host name and port for global http proxy. Uses ':' seperator for
4544         * between host and port.
4545         *
4546         * @deprecated Use {@link Global#HTTP_PROXY}
4547         */
4548        @Deprecated
4549        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4550
4551        /**
4552         * Package designated as always-on VPN provider.
4553         *
4554         * @hide
4555         */
4556        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4557
4558        /**
4559         * Whether applications can be installed for this user via the system's
4560         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4561         *
4562         * <p>1 = permit app installation via the system package installer intent
4563         * <p>0 = do not allow use of the package installer
4564         */
4565        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4566
4567        /**
4568         * Comma-separated list of location providers that activities may access. Do not rely on
4569         * this value being present in settings.db or on ContentObserver notifications on the
4570         * corresponding Uri.
4571         *
4572         * @deprecated use {@link #LOCATION_MODE} and
4573         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4574         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4575         */
4576        @Deprecated
4577        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4578
4579        /**
4580         * The degree of location access enabled by the user.
4581         * <p>
4582         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4583         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4584         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4585         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4586         * modes that might be added in the future.
4587         * <p>
4588         * Note: do not rely on this value being present in settings.db or on ContentObserver
4589         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4590         * to receive changes in this value.
4591         */
4592        public static final String LOCATION_MODE = "location_mode";
4593        /**
4594         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4595         * {@link #LOCATION_MODE_OFF}
4596         * @hide
4597         */
4598        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4599
4600        /**
4601         * Sets all location providers to the previous states before location was turned off.
4602         * @hide
4603         */
4604        public static final int LOCATION_MODE_PREVIOUS = -1;
4605        /**
4606         * Location access disabled.
4607         */
4608        public static final int LOCATION_MODE_OFF = 0;
4609        /**
4610         * Network Location Provider disabled, but GPS and other sensors enabled.
4611         */
4612        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4613        /**
4614         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4615         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4616         * {@link android.location.Criteria#POWER_MEDIUM}.
4617         */
4618        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4619        /**
4620         * Best-effort location computation allowed.
4621         */
4622        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4623
4624        /**
4625         * A flag containing settings used for biometric weak
4626         * @hide
4627         */
4628        @Deprecated
4629        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4630                "lock_biometric_weak_flags";
4631
4632        /**
4633         * Whether lock-to-app will lock the keyguard when exiting.
4634         * @hide
4635         */
4636        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4637
4638        /**
4639         * Whether autolock is enabled (0 = false, 1 = true)
4640         *
4641         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4642         *             level of the keyguard. Accessing this setting from an app that is targeting
4643         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4644         */
4645        @Deprecated
4646        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4647
4648        /**
4649         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4650         *
4651         * @deprecated Accessing this setting from an app that is targeting
4652         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4653         */
4654        @Deprecated
4655        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4656
4657        /**
4658         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4659         * true)
4660         *
4661         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4662         *             lockscreen uses
4663         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4664         *             Accessing this setting from an app that is targeting
4665         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4666         */
4667        @Deprecated
4668        public static final String
4669                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4670
4671        /**
4672         * This preference allows the device to be locked given time after screen goes off,
4673         * subject to current DeviceAdmin policy limits.
4674         * @hide
4675         */
4676        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4677
4678
4679        /**
4680         * This preference contains the string that shows for owner info on LockScreen.
4681         * @hide
4682         * @deprecated
4683         */
4684        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4685
4686        /**
4687         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4688         * @hide
4689         */
4690        @Deprecated
4691        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4692            "lock_screen_appwidget_ids";
4693
4694        /**
4695         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4696         * @hide
4697         */
4698        @Deprecated
4699        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4700            "lock_screen_fallback_appwidget_id";
4701
4702        /**
4703         * Index of the lockscreen appwidget to restore, -1 if none.
4704         * @hide
4705         */
4706        @Deprecated
4707        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4708            "lock_screen_sticky_appwidget";
4709
4710        /**
4711         * This preference enables showing the owner info on LockScreen.
4712         * @hide
4713         * @deprecated
4714         */
4715        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4716            "lock_screen_owner_info_enabled";
4717
4718        /**
4719         * When set by a user, allows notifications to be shown atop a securely locked screen
4720         * in their full "private" form (same as when the device is unlocked).
4721         * @hide
4722         */
4723        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4724                "lock_screen_allow_private_notifications";
4725
4726        /**
4727         * When set by a user, allows notification remote input atop a securely locked screen
4728         * without having to unlock
4729         * @hide
4730         */
4731        public static final String LOCK_SCREEN_ALLOW_REMOTE_INPUT =
4732                "lock_screen_allow_remote_input";
4733
4734        /**
4735         * Set by the system to track if the user needs to see the call to action for
4736         * the lockscreen notification policy.
4737         * @hide
4738         */
4739        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4740                "show_note_about_notification_hiding";
4741
4742        /**
4743         * Set to 1 by the system after trust agents have been initialized.
4744         * @hide
4745         */
4746        public static final String TRUST_AGENTS_INITIALIZED =
4747                "trust_agents_initialized";
4748
4749        /**
4750         * The Logging ID (a unique 64-bit value) as a hex string.
4751         * Used as a pseudonymous identifier for logging.
4752         * @deprecated This identifier is poorly initialized and has
4753         * many collisions.  It should not be used.
4754         */
4755        @Deprecated
4756        public static final String LOGGING_ID = "logging_id";
4757
4758        /**
4759         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4760         */
4761        @Deprecated
4762        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4763
4764        /**
4765         * No longer supported.
4766         */
4767        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4768
4769        /**
4770         * No longer supported.
4771         */
4772        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4773
4774        /**
4775         * No longer supported.
4776         */
4777        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4778
4779        /**
4780         * Settings classname to launch when Settings is clicked from All
4781         * Applications.  Needed because of user testing between the old
4782         * and new Settings apps.
4783         */
4784        // TODO: 881807
4785        public static final String SETTINGS_CLASSNAME = "settings_classname";
4786
4787        /**
4788         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4789         */
4790        @Deprecated
4791        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4792
4793        /**
4794         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4795         */
4796        @Deprecated
4797        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4798
4799        /**
4800         * If accessibility is enabled.
4801         */
4802        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4803
4804        /**
4805         * If touch exploration is enabled.
4806         */
4807        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4808
4809        /**
4810         * List of the enabled accessibility providers.
4811         */
4812        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4813            "enabled_accessibility_services";
4814
4815        /**
4816         * List of the accessibility services to which the user has granted
4817         * permission to put the device into touch exploration mode.
4818         *
4819         * @hide
4820         */
4821        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4822            "touch_exploration_granted_accessibility_services";
4823
4824        /**
4825         * Whether to speak passwords while in accessibility mode.
4826         */
4827        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4828
4829        /**
4830         * Whether to draw text with high contrast while in accessibility mode.
4831         *
4832         * @hide
4833         */
4834        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4835                "high_text_contrast_enabled";
4836
4837        /**
4838         * If injection of accessibility enhancing JavaScript screen-reader
4839         * is enabled.
4840         * <p>
4841         *   Note: The JavaScript based screen-reader is served by the
4842         *   Google infrastructure and enable users with disabilities to
4843         *   efficiently navigate in and explore web content.
4844         * </p>
4845         * <p>
4846         *   This property represents a boolean value.
4847         * </p>
4848         * @hide
4849         */
4850        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4851            "accessibility_script_injection";
4852
4853        /**
4854         * The URL for the injected JavaScript based screen-reader used
4855         * for providing accessibility of content in WebView.
4856         * <p>
4857         *   Note: The JavaScript based screen-reader is served by the
4858         *   Google infrastructure and enable users with disabilities to
4859         *   efficiently navigate in and explore web content.
4860         * </p>
4861         * <p>
4862         *   This property represents a string value.
4863         * </p>
4864         * @hide
4865         */
4866        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4867            "accessibility_script_injection_url";
4868
4869        /**
4870         * Key bindings for navigation in built-in accessibility support for web content.
4871         * <p>
4872         *   Note: These key bindings are for the built-in accessibility navigation for
4873         *   web content which is used as a fall back solution if JavaScript in a WebView
4874         *   is not enabled or the user has not opted-in script injection from Google.
4875         * </p>
4876         * <p>
4877         *   The bindings are separated by semi-colon. A binding is a mapping from
4878         *   a key to a sequence of actions (for more details look at
4879         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4880         *   string representation of an integer obtained from a meta state (optional) shifted
4881         *   sixteen times left and bitwise ored with a key code. An action is represented
4882         *   as a hexademical string representation of an integer where the first two digits
4883         *   are navigation action index, the second, the third, and the fourth digit pairs
4884         *   represent the action arguments. The separate actions in a binding are colon
4885         *   separated. The key and the action sequence it maps to are separated by equals.
4886         * </p>
4887         * <p>
4888         *   For example, the binding below maps the DPAD right button to traverse the
4889         *   current navigation axis once without firing an accessibility event and to
4890         *   perform the same traversal again but to fire an event:
4891         *   <code>
4892         *     0x16=0x01000100:0x01000101;
4893         *   </code>
4894         * </p>
4895         * <p>
4896         *   The goal of this binding is to enable dynamic rebinding of keys to
4897         *   navigation actions for web content without requiring a framework change.
4898         * </p>
4899         * <p>
4900         *   This property represents a string value.
4901         * </p>
4902         * @hide
4903         */
4904        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4905            "accessibility_web_content_key_bindings";
4906
4907        /**
4908         * Setting that specifies whether the display magnification is enabled.
4909         * Display magnifications allows the user to zoom in the display content
4910         * and is targeted to low vision users. The current magnification scale
4911         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4912         *
4913         * @hide
4914         */
4915        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4916                "accessibility_display_magnification_enabled";
4917
4918        /**
4919         * Setting that specifies what the display magnification scale is.
4920         * Display magnifications allows the user to zoom in the display
4921         * content and is targeted to low vision users. Whether a display
4922         * magnification is performed is controlled by
4923         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4924         *
4925         * @hide
4926         */
4927        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4928                "accessibility_display_magnification_scale";
4929
4930        /**
4931         * Setting that specifies whether the display magnification should be
4932         * automatically updated. If this fearture is enabled the system will
4933         * exit magnification mode or pan the viewport when a context change
4934         * occurs. For example, on staring a new activity or rotating the screen,
4935         * the system may zoom out so the user can see the new context he is in.
4936         * Another example is on showing a window that is not visible in the
4937         * magnified viewport the system may pan the viewport to make the window
4938         * the has popped up so the user knows that the context has changed.
4939         * Whether a screen magnification is performed is controlled by
4940         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4941         *
4942         * @hide
4943         */
4944        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4945                "accessibility_display_magnification_auto_update";
4946
4947        /**
4948         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
4949         * modified from an AccessibilityService using the SoftKeyboardController.
4950         *
4951         * @hide
4952         */
4953        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
4954                "accessibility_soft_keyboard_mode";
4955
4956        /**
4957         * Default soft keyboard behavior.
4958         *
4959         * @hide
4960         */
4961        public static final int SHOW_MODE_AUTO = 0;
4962
4963        /**
4964         * Soft keyboard is never shown.
4965         *
4966         * @hide
4967         */
4968        public static final int SHOW_MODE_HIDDEN = 1;
4969
4970        /**
4971         * Setting that specifies whether timed text (captions) should be
4972         * displayed in video content. Text display properties are controlled by
4973         * the following settings:
4974         * <ul>
4975         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4976         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4977         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4978         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4979         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4980         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4981         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4982         * </ul>
4983         *
4984         * @hide
4985         */
4986        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4987                "accessibility_captioning_enabled";
4988
4989        /**
4990         * Setting that specifies the language for captions as a locale string,
4991         * e.g. en_US.
4992         *
4993         * @see java.util.Locale#toString
4994         * @hide
4995         */
4996        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4997                "accessibility_captioning_locale";
4998
4999        /**
5000         * Integer property that specifies the preset style for captions, one
5001         * of:
5002         * <ul>
5003         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
5004         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
5005         * </ul>
5006         *
5007         * @see java.util.Locale#toString
5008         * @hide
5009         */
5010        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
5011                "accessibility_captioning_preset";
5012
5013        /**
5014         * Integer property that specifes the background color for captions as a
5015         * packed 32-bit color.
5016         *
5017         * @see android.graphics.Color#argb
5018         * @hide
5019         */
5020        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
5021                "accessibility_captioning_background_color";
5022
5023        /**
5024         * Integer property that specifes the foreground color for captions as a
5025         * packed 32-bit color.
5026         *
5027         * @see android.graphics.Color#argb
5028         * @hide
5029         */
5030        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
5031                "accessibility_captioning_foreground_color";
5032
5033        /**
5034         * Integer property that specifes the edge type for captions, one of:
5035         * <ul>
5036         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
5037         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
5038         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
5039         * </ul>
5040         *
5041         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
5042         * @hide
5043         */
5044        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
5045                "accessibility_captioning_edge_type";
5046
5047        /**
5048         * Integer property that specifes the edge color for captions as a
5049         * packed 32-bit color.
5050         *
5051         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
5052         * @see android.graphics.Color#argb
5053         * @hide
5054         */
5055        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
5056                "accessibility_captioning_edge_color";
5057
5058        /**
5059         * Integer property that specifes the window color for captions as a
5060         * packed 32-bit color.
5061         *
5062         * @see android.graphics.Color#argb
5063         * @hide
5064         */
5065        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
5066                "accessibility_captioning_window_color";
5067
5068        /**
5069         * String property that specifies the typeface for captions, one of:
5070         * <ul>
5071         * <li>DEFAULT
5072         * <li>MONOSPACE
5073         * <li>SANS_SERIF
5074         * <li>SERIF
5075         * </ul>
5076         *
5077         * @see android.graphics.Typeface
5078         * @hide
5079         */
5080        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
5081                "accessibility_captioning_typeface";
5082
5083        /**
5084         * Floating point property that specifies font scaling for captions.
5085         *
5086         * @hide
5087         */
5088        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5089                "accessibility_captioning_font_scale";
5090
5091        /**
5092         * Setting that specifies whether display color inversion is enabled.
5093         */
5094        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5095                "accessibility_display_inversion_enabled";
5096
5097        /**
5098         * Setting that specifies whether display color space adjustment is
5099         * enabled.
5100         *
5101         * @hide
5102         */
5103        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5104                "accessibility_display_daltonizer_enabled";
5105
5106        /**
5107         * Integer property that specifies the type of color space adjustment to
5108         * perform. Valid values are defined in AccessibilityManager.
5109         *
5110         * @hide
5111         */
5112        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5113                "accessibility_display_daltonizer";
5114
5115        /**
5116         * Float list that specifies the color matrix to apply to
5117         * the display. Valid values are defined in AccessibilityManager.
5118         *
5119         * @hide
5120         */
5121        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5122                "accessibility_display_color_matrix";
5123
5124        /**
5125         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5126         * enabled.
5127         *
5128         * @hide
5129         */
5130        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5131                "accessibility_autoclick_enabled";
5132
5133        /**
5134         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5135         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5136         *
5137         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5138         * @hide
5139         */
5140        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5141                "accessibility_autoclick_delay";
5142
5143        /**
5144         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5145         * accessibility.
5146         * (0 = false, 1 = true)
5147         * @hide
5148         */
5149        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5150                "accessibility_large_pointer_icon";
5151
5152        /**
5153         * The timeout for considering a press to be a long press in milliseconds.
5154         * @hide
5155         */
5156        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5157
5158        /**
5159         * List of the enabled print services.
5160         *
5161         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5162         * from pre-N.
5163         *
5164         * @hide
5165         */
5166        public static final String ENABLED_PRINT_SERVICES =
5167            "enabled_print_services";
5168
5169        /**
5170         * List of the disabled print services.
5171         *
5172         * @hide
5173         */
5174        public static final String DISABLED_PRINT_SERVICES =
5175            "disabled_print_services";
5176
5177        /**
5178         * The saved value for WindowManagerService.setForcedDisplayDensity()
5179         * formatted as a single integer representing DPI. If unset, then use
5180         * the real display density.
5181         *
5182         * @hide
5183         */
5184        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5185
5186        /**
5187         * Setting to always use the default text-to-speech settings regardless
5188         * of the application settings.
5189         * 1 = override application settings,
5190         * 0 = use application settings (if specified).
5191         *
5192         * @deprecated  The value of this setting is no longer respected by
5193         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5194         */
5195        @Deprecated
5196        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5197
5198        /**
5199         * Default text-to-speech engine speech rate. 100 = 1x
5200         */
5201        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5202
5203        /**
5204         * Default text-to-speech engine pitch. 100 = 1x
5205         */
5206        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5207
5208        /**
5209         * Default text-to-speech engine.
5210         */
5211        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5212
5213        /**
5214         * Default text-to-speech language.
5215         *
5216         * @deprecated this setting is no longer in use, as of the Ice Cream
5217         * Sandwich release. Apps should never need to read this setting directly,
5218         * instead can query the TextToSpeech framework classes for the default
5219         * locale. {@link TextToSpeech#getLanguage()}.
5220         */
5221        @Deprecated
5222        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5223
5224        /**
5225         * Default text-to-speech country.
5226         *
5227         * @deprecated this setting is no longer in use, as of the Ice Cream
5228         * Sandwich release. Apps should never need to read this setting directly,
5229         * instead can query the TextToSpeech framework classes for the default
5230         * locale. {@link TextToSpeech#getLanguage()}.
5231         */
5232        @Deprecated
5233        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5234
5235        /**
5236         * Default text-to-speech locale variant.
5237         *
5238         * @deprecated this setting is no longer in use, as of the Ice Cream
5239         * Sandwich release. Apps should never need to read this setting directly,
5240         * instead can query the TextToSpeech framework classes for the
5241         * locale that is in use {@link TextToSpeech#getLanguage()}.
5242         */
5243        @Deprecated
5244        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5245
5246        /**
5247         * Stores the default tts locales on a per engine basis. Stored as
5248         * a comma seperated list of values, each value being of the form
5249         * {@code engine_name:locale} for example,
5250         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5251         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5252         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5253         * setting directly, and can query the TextToSpeech framework classes
5254         * for the locale that is in use.
5255         *
5256         * @hide
5257         */
5258        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5259
5260        /**
5261         * Space delimited list of plugin packages that are enabled.
5262         */
5263        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5264
5265        /**
5266         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5267         * instead.
5268         */
5269        @Deprecated
5270        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5271                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5272
5273        /**
5274         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5275         * instead.
5276         */
5277        @Deprecated
5278        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5279                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5280
5281        /**
5282         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5283         * instead.
5284         */
5285        @Deprecated
5286        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5287                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5288
5289        /**
5290         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5291         * instead.
5292         */
5293        @Deprecated
5294        public static final String WIFI_ON = Global.WIFI_ON;
5295
5296        /**
5297         * The acceptable packet loss percentage (range 0 - 100) before trying
5298         * another AP on the same network.
5299         * @deprecated This setting is not used.
5300         */
5301        @Deprecated
5302        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5303                "wifi_watchdog_acceptable_packet_loss_percentage";
5304
5305        /**
5306         * The number of access points required for a network in order for the
5307         * watchdog to monitor it.
5308         * @deprecated This setting is not used.
5309         */
5310        @Deprecated
5311        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5312
5313        /**
5314         * The delay between background checks.
5315         * @deprecated This setting is not used.
5316         */
5317        @Deprecated
5318        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5319                "wifi_watchdog_background_check_delay_ms";
5320
5321        /**
5322         * Whether the Wi-Fi watchdog is enabled for background checking even
5323         * after it thinks the user has connected to a good access point.
5324         * @deprecated This setting is not used.
5325         */
5326        @Deprecated
5327        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5328                "wifi_watchdog_background_check_enabled";
5329
5330        /**
5331         * The timeout for a background ping
5332         * @deprecated This setting is not used.
5333         */
5334        @Deprecated
5335        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5336                "wifi_watchdog_background_check_timeout_ms";
5337
5338        /**
5339         * The number of initial pings to perform that *may* be ignored if they
5340         * fail. Again, if these fail, they will *not* be used in packet loss
5341         * calculation. For example, one network always seemed to time out for
5342         * the first couple pings, so this is set to 3 by default.
5343         * @deprecated This setting is not used.
5344         */
5345        @Deprecated
5346        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5347            "wifi_watchdog_initial_ignored_ping_count";
5348
5349        /**
5350         * The maximum number of access points (per network) to attempt to test.
5351         * If this number is reached, the watchdog will no longer monitor the
5352         * initial connection state for the network. This is a safeguard for
5353         * networks containing multiple APs whose DNS does not respond to pings.
5354         * @deprecated This setting is not used.
5355         */
5356        @Deprecated
5357        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5358
5359        /**
5360         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5361         */
5362        @Deprecated
5363        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5364
5365        /**
5366         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5367         * @deprecated This setting is not used.
5368         */
5369        @Deprecated
5370        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5371
5372        /**
5373         * The number of pings to test if an access point is a good connection.
5374         * @deprecated This setting is not used.
5375         */
5376        @Deprecated
5377        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5378
5379        /**
5380         * The delay between pings.
5381         * @deprecated This setting is not used.
5382         */
5383        @Deprecated
5384        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5385
5386        /**
5387         * The timeout per ping.
5388         * @deprecated This setting is not used.
5389         */
5390        @Deprecated
5391        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5392
5393        /**
5394         * @deprecated Use
5395         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5396         */
5397        @Deprecated
5398        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5399
5400        /**
5401         * @deprecated Use
5402         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5403         */
5404        @Deprecated
5405        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5406                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5407
5408        /**
5409         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5410         * the receivers of the PendingIntent an opportunity to make a new network request before
5411         * the Network satisfying the request is potentially removed.
5412         *
5413         * @hide
5414         */
5415        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5416                "connectivity_release_pending_intent_delay_ms";
5417
5418        /**
5419         * Whether background data usage is allowed.
5420         *
5421         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5422         *             availability of background data depends on several
5423         *             combined factors. When background data is unavailable,
5424         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5425         *             now appear disconnected.
5426         */
5427        @Deprecated
5428        public static final String BACKGROUND_DATA = "background_data";
5429
5430        /**
5431         * Origins for which browsers should allow geolocation by default.
5432         * The value is a space-separated list of origins.
5433         */
5434        public static final String ALLOWED_GEOLOCATION_ORIGINS
5435                = "allowed_geolocation_origins";
5436
5437        /**
5438         * The preferred TTY mode     0 = TTy Off, CDMA default
5439         *                            1 = TTY Full
5440         *                            2 = TTY HCO
5441         *                            3 = TTY VCO
5442         * @hide
5443         */
5444        public static final String PREFERRED_TTY_MODE =
5445                "preferred_tty_mode";
5446
5447        /**
5448         * Whether the enhanced voice privacy mode is enabled.
5449         * 0 = normal voice privacy
5450         * 1 = enhanced voice privacy
5451         * @hide
5452         */
5453        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5454
5455        /**
5456         * Whether the TTY mode mode is enabled.
5457         * 0 = disabled
5458         * 1 = enabled
5459         * @hide
5460         */
5461        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5462
5463        /**
5464         * Controls whether settings backup is enabled.
5465         * Type: int ( 0 = disabled, 1 = enabled )
5466         * @hide
5467         */
5468        public static final String BACKUP_ENABLED = "backup_enabled";
5469
5470        /**
5471         * Controls whether application data is automatically restored from backup
5472         * at install time.
5473         * Type: int ( 0 = disabled, 1 = enabled )
5474         * @hide
5475         */
5476        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5477
5478        /**
5479         * Indicates whether settings backup has been fully provisioned.
5480         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5481         * @hide
5482         */
5483        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5484
5485        /**
5486         * Component of the transport to use for backup/restore.
5487         * @hide
5488         */
5489        public static final String BACKUP_TRANSPORT = "backup_transport";
5490
5491        /**
5492         * Version for which the setup wizard was last shown.  Bumped for
5493         * each release when there is new setup information to show.
5494         * @hide
5495         */
5496        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5497
5498        /**
5499         * The interval in milliseconds after which Wi-Fi is considered idle.
5500         * When idle, it is possible for the device to be switched from Wi-Fi to
5501         * the mobile data network.
5502         * @hide
5503         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5504         * instead.
5505         */
5506        @Deprecated
5507        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5508
5509        /**
5510         * The global search provider chosen by the user (if multiple global
5511         * search providers are installed). This will be the provider returned
5512         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5513         * installed. This setting is stored as a flattened component name as
5514         * per {@link ComponentName#flattenToString()}.
5515         *
5516         * @hide
5517         */
5518        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5519                "search_global_search_activity";
5520
5521        /**
5522         * The number of promoted sources in GlobalSearch.
5523         * @hide
5524         */
5525        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5526        /**
5527         * The maximum number of suggestions returned by GlobalSearch.
5528         * @hide
5529         */
5530        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5531        /**
5532         * The number of suggestions GlobalSearch will ask each non-web search source for.
5533         * @hide
5534         */
5535        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5536        /**
5537         * The number of suggestions the GlobalSearch will ask the web search source for.
5538         * @hide
5539         */
5540        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5541                "search_web_results_override_limit";
5542        /**
5543         * The number of milliseconds that GlobalSearch will wait for suggestions from
5544         * promoted sources before continuing with all other sources.
5545         * @hide
5546         */
5547        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5548                "search_promoted_source_deadline_millis";
5549        /**
5550         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5551         * @hide
5552         */
5553        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5554        /**
5555         * The maximum number of milliseconds that GlobalSearch shows the previous results
5556         * after receiving a new query.
5557         * @hide
5558         */
5559        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5560        /**
5561         * The maximum age of log data used for shortcuts in GlobalSearch.
5562         * @hide
5563         */
5564        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5565        /**
5566         * The maximum age of log data used for source ranking in GlobalSearch.
5567         * @hide
5568         */
5569        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5570                "search_max_source_event_age_millis";
5571        /**
5572         * The minimum number of impressions needed to rank a source in GlobalSearch.
5573         * @hide
5574         */
5575        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5576                "search_min_impressions_for_source_ranking";
5577        /**
5578         * The minimum number of clicks needed to rank a source in GlobalSearch.
5579         * @hide
5580         */
5581        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5582                "search_min_clicks_for_source_ranking";
5583        /**
5584         * The maximum number of shortcuts shown by GlobalSearch.
5585         * @hide
5586         */
5587        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5588        /**
5589         * The size of the core thread pool for suggestion queries in GlobalSearch.
5590         * @hide
5591         */
5592        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5593                "search_query_thread_core_pool_size";
5594        /**
5595         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5596         * @hide
5597         */
5598        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5599                "search_query_thread_max_pool_size";
5600        /**
5601         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5602         * @hide
5603         */
5604        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5605                "search_shortcut_refresh_core_pool_size";
5606        /**
5607         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5608         * @hide
5609         */
5610        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5611                "search_shortcut_refresh_max_pool_size";
5612        /**
5613         * The maximun time that excess threads in the GlobalSeach thread pools will
5614         * wait before terminating.
5615         * @hide
5616         */
5617        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5618                "search_thread_keepalive_seconds";
5619        /**
5620         * The maximum number of concurrent suggestion queries to each source.
5621         * @hide
5622         */
5623        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5624                "search_per_source_concurrent_query_limit";
5625
5626        /**
5627         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5628         * @hide
5629         */
5630        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5631
5632        /**
5633         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5634         * @hide
5635         */
5636        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5637
5638        /**
5639         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5640         * @hide
5641         */
5642        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5643
5644        /**
5645         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5646         * @hide
5647         */
5648        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5649
5650        /**
5651         * If nonzero, ANRs in invisible background processes bring up a dialog.
5652         * Otherwise, the process will be silently killed.
5653         * @hide
5654         */
5655        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5656
5657        /**
5658         * The {@link ComponentName} string of the service to be used as the voice recognition
5659         * service.
5660         *
5661         * @hide
5662         */
5663        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5664
5665        /**
5666         * Stores whether an user has consented to have apps verified through PAM.
5667         * The value is boolean (1 or 0).
5668         *
5669         * @hide
5670         */
5671        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5672            "package_verifier_user_consent";
5673
5674        /**
5675         * The {@link ComponentName} string of the selected spell checker service which is
5676         * one of the services managed by the text service manager.
5677         *
5678         * @hide
5679         */
5680        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5681
5682        /**
5683         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5684         * service which is one of the services managed by the text service manager.
5685         *
5686         * @hide
5687         */
5688        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5689                "selected_spell_checker_subtype";
5690
5691        /**
5692         * The {@link ComponentName} string whether spell checker is enabled or not.
5693         *
5694         * @hide
5695         */
5696        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5697
5698        /**
5699         * What happens when the user presses the Power button while in-call
5700         * and the screen is on.<br/>
5701         * <b>Values:</b><br/>
5702         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5703         * 2 - The Power button hangs up the current call.<br/>
5704         *
5705         * @hide
5706         */
5707        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5708
5709        /**
5710         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5711         * @hide
5712         */
5713        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5714
5715        /**
5716         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5717         * @hide
5718         */
5719        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5720
5721        /**
5722         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5723         * @hide
5724         */
5725        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5726                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5727
5728        /**
5729         * Whether the device should wake when the wake gesture sensor detects motion.
5730         * @hide
5731         */
5732        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5733
5734        /**
5735         * Whether the device should doze if configured.
5736         * @hide
5737         */
5738        public static final String DOZE_ENABLED = "doze_enabled";
5739
5740        /**
5741         * The current night mode that has been selected by the user.  Owned
5742         * and controlled by UiModeManagerService.  Constants are as per
5743         * UiModeManager.
5744         * @hide
5745         */
5746        public static final String UI_NIGHT_MODE = "ui_night_mode";
5747
5748        /**
5749         * Whether screensavers are enabled.
5750         * @hide
5751         */
5752        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5753
5754        /**
5755         * The user's chosen screensaver components.
5756         *
5757         * These will be launched by the PhoneWindowManager after a timeout when not on
5758         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5759         * @hide
5760         */
5761        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5762
5763        /**
5764         * If screensavers are enabled, whether the screensaver should be automatically launched
5765         * when the device is inserted into a (desk) dock.
5766         * @hide
5767         */
5768        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5769
5770        /**
5771         * If screensavers are enabled, whether the screensaver should be automatically launched
5772         * when the screen times out when not on battery.
5773         * @hide
5774         */
5775        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5776
5777        /**
5778         * If screensavers are enabled, the default screensaver component.
5779         * @hide
5780         */
5781        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5782
5783        /**
5784         * The default NFC payment component
5785         * @hide
5786         */
5787        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5788
5789        /**
5790         * Whether NFC payment is handled by the foreground application or a default.
5791         * @hide
5792         */
5793        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5794
5795        /**
5796         * Specifies the package name currently configured to be the primary sms application
5797         * @hide
5798         */
5799        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5800
5801        /**
5802         * Specifies the package name currently configured to be the default dialer application
5803         * @hide
5804         */
5805        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5806
5807        /**
5808         * Specifies the package name currently configured to be the emergency assistance application
5809         *
5810         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5811         *
5812         * @hide
5813         */
5814        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5815
5816        /**
5817         * Specifies whether the current app context on scren (assist data) will be sent to the
5818         * assist application (active voice interaction service).
5819         *
5820         * @hide
5821         */
5822        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5823
5824        /**
5825         * Specifies whether a screenshot of the screen contents will be sent to the assist
5826         * application (active voice interaction service).
5827         *
5828         * @hide
5829         */
5830        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5831
5832        /**
5833         * Names of the service components that the current user has explicitly allowed to
5834         * see all of the user's notifications, separated by ':'.
5835         *
5836         * @hide
5837         */
5838        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5839
5840        /**
5841         * Names of the packages that the current user has explicitly allowed to
5842         * manage notification policy configuration, separated by ':'.
5843         */
5844        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5845                "enabled_notification_policy_access_packages";
5846
5847        /** @hide */
5848        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5849
5850        /** @hide */
5851        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5852                = "volume_controller_service_component";
5853
5854        /** @hide */
5855        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5856
5857        /**
5858         * This is the query URI for finding a print service to install.
5859         *
5860         * @hide
5861         */
5862        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5863
5864        /**
5865         * This is the query URI for finding a NFC payment service to install.
5866         *
5867         * @hide
5868         */
5869        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5870
5871        /**
5872         * If enabled, apps should try to skip any introductory hints on first launch. This might
5873         * apply to users that are already familiar with the environment or temporary users.
5874         * <p>
5875         * Type : int (0 to show hints, 1 to skip showing hints)
5876         */
5877        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5878
5879        /**
5880         * Persisted playback time after a user confirmation of an unsafe volume level.
5881         *
5882         * @hide
5883         */
5884        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5885
5886        /**
5887         * This preference enables notification display on the lockscreen.
5888         * @hide
5889         */
5890        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5891                "lock_screen_show_notifications";
5892
5893        /**
5894         * List of TV inputs that are currently hidden. This is a string
5895         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5896         * {@link android.net.Uri#encode(String)} and separated by ':'.
5897         * @hide
5898         */
5899        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5900
5901        /**
5902         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5903         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5904         * and separated by ','. Each pair is separated by ':'.
5905         * @hide
5906         */
5907        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5908
5909        /**
5910         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5911         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5912         * and 0 means automatic routing is enabled.
5913         *
5914         * @hide
5915         */
5916        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5917                "usb_audio_automatic_routing_disabled";
5918
5919        /**
5920         * The timeout in milliseconds before the device fully goes to sleep after
5921         * a period of inactivity.  This value sets an upper bound on how long the device
5922         * will stay awake or dreaming without user activity.  It should generally
5923         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5924         * will sleep before it ever has a chance to dream.
5925         * <p>
5926         * Use -1 to disable this timeout.
5927         * </p>
5928         *
5929         * @hide
5930         */
5931        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5932
5933        /**
5934         * Controls whether double tap to wake is enabled.
5935         * @hide
5936         */
5937        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5938
5939        /**
5940         * The current assistant component. It could be a voice interaction service,
5941         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5942         * handling.
5943         *
5944         * @hide
5945         */
5946        public static final String ASSISTANT = "assistant";
5947
5948        /**
5949         * Whether the camera launch gesture should be disabled.
5950         *
5951         * @hide
5952         */
5953        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5954
5955        /**
5956         * Whether the camera launch gesture to double tap the power button when the screen is off
5957         * should be disabled.
5958         *
5959         * @hide
5960         */
5961        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5962                "camera_double_tap_power_gesture_disabled";
5963
5964        /**
5965
5966        /**
5967         * Behavior of twilight on the device.
5968         * One of {@link #TWILIGHT_MODE_LOCKED_OFF}, {@link #TWILIGHT_MODE_LOCKED_ON}
5969         * or {@link #TWILIGHT_MODE_AUTO}.
5970         * @hide
5971         */
5972        public static final String TWILIGHT_MODE = "twilight_mode";
5973
5974        /**
5975         * Twilight mode always off.
5976         * @hide
5977         */
5978        public static final int TWILIGHT_MODE_LOCKED_OFF = 0;
5979
5980        /**
5981         * Twilight mode always on.
5982         * @hide
5983         */
5984        public static final int TWILIGHT_MODE_LOCKED_ON = 1;
5985
5986        /**
5987         * Twilight mode auto.
5988         * @hide
5989         */
5990        public static final int TWILIGHT_MODE_AUTO = 2;
5991
5992        /**
5993         * Twilight mode auto, temporarily overriden to on.
5994         * @hide
5995         */
5996        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_OFF = 3;
5997
5998        /**
5999         * Twilight mode auto, temporarily overriden to off.
6000         * @hide
6001         */
6002        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_ON = 4;
6003
6004        /**
6005         * Whether brightness should automatically adjust based on twilight state.
6006         * @hide
6007         */
6008        public static final String BRIGHTNESS_USE_TWILIGHT = "brightness_use_twilight";
6009
6010        /**
6011         * Names of the service components that the current user has explicitly allowed to
6012         * be a VR mode listener, separated by ':'.
6013         *
6014         * @hide
6015         */
6016        public static final String ENABLED_VR_LISTENERS = "enabled_vr_listeners";
6017
6018        /**
6019         * This are the settings to be backed up.
6020         *
6021         * NOTE: Settings are backed up and restored in the order they appear
6022         *       in this array. If you have one setting depending on another,
6023         *       make sure that they are ordered appropriately.
6024         *
6025         * @hide
6026         */
6027        public static final String[] SETTINGS_TO_BACKUP = {
6028            BUGREPORT_IN_POWER_MENU,                            // moved to global
6029            ALLOW_MOCK_LOCATION,
6030            PARENTAL_CONTROL_ENABLED,
6031            PARENTAL_CONTROL_REDIRECT_URL,
6032            USB_MASS_STORAGE_ENABLED,                           // moved to global
6033            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
6034            ACCESSIBILITY_DISPLAY_DALTONIZER,
6035            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
6036            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
6037            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
6038            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
6039            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
6040            ACCESSIBILITY_SCRIPT_INJECTION,
6041            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
6042            BACKUP_AUTO_RESTORE,
6043            ENABLED_ACCESSIBILITY_SERVICES,
6044            ENABLED_NOTIFICATION_LISTENERS,
6045            ENABLED_VR_LISTENERS,
6046            ENABLED_INPUT_METHODS,
6047            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
6048            TOUCH_EXPLORATION_ENABLED,
6049            ACCESSIBILITY_ENABLED,
6050            ACCESSIBILITY_SPEAK_PASSWORD,
6051            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
6052            ACCESSIBILITY_CAPTIONING_PRESET,
6053            ACCESSIBILITY_CAPTIONING_ENABLED,
6054            ACCESSIBILITY_CAPTIONING_LOCALE,
6055            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
6056            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
6057            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
6058            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
6059            ACCESSIBILITY_CAPTIONING_TYPEFACE,
6060            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
6061            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
6062            TTS_USE_DEFAULTS,
6063            TTS_DEFAULT_RATE,
6064            TTS_DEFAULT_PITCH,
6065            TTS_DEFAULT_SYNTH,
6066            TTS_DEFAULT_LANG,
6067            TTS_DEFAULT_COUNTRY,
6068            TTS_ENABLED_PLUGINS,
6069            TTS_DEFAULT_LOCALE,
6070            SHOW_IME_WITH_HARD_KEYBOARD,
6071            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
6072            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
6073            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
6074            SELECTED_SPELL_CHECKER,
6075            SELECTED_SPELL_CHECKER_SUBTYPE,
6076            SPELL_CHECKER_ENABLED,
6077            MOUNT_PLAY_NOTIFICATION_SND,
6078            MOUNT_UMS_AUTOSTART,
6079            MOUNT_UMS_PROMPT,
6080            MOUNT_UMS_NOTIFY_ENABLED,
6081            UI_NIGHT_MODE,
6082            SLEEP_TIMEOUT,
6083            DOUBLE_TAP_TO_WAKE,
6084            WAKE_GESTURE_ENABLED,
6085            LONG_PRESS_TIMEOUT,
6086            CAMERA_GESTURE_DISABLED,
6087            ACCESSIBILITY_AUTOCLICK_ENABLED,
6088            ACCESSIBILITY_AUTOCLICK_DELAY,
6089            ACCESSIBILITY_LARGE_POINTER_ICON,
6090            PREFERRED_TTY_MODE,
6091            ENHANCED_VOICE_PRIVACY_ENABLED,
6092            TTY_MODE_ENABLED,
6093            INCALL_POWER_BUTTON_BEHAVIOR
6094        };
6095
6096        /**
6097         * These entries are considered common between the personal and the managed profile,
6098         * since the managed profile doesn't get to change them.
6099         */
6100        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
6101
6102        static {
6103            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
6104            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
6105            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
6106            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
6107            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
6108            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
6109            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
6110            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
6111            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
6112            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
6113            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
6114            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
6115        }
6116
6117        /** @hide */
6118        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
6119            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6120        }
6121
6122        /**
6123         * Helper method for determining if a location provider is enabled.
6124         *
6125         * @param cr the content resolver to use
6126         * @param provider the location provider to query
6127         * @return true if the provider is enabled
6128         *
6129         * @deprecated use {@link #LOCATION_MODE} or
6130         *             {@link LocationManager#isProviderEnabled(String)}
6131         */
6132        @Deprecated
6133        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6134            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6135        }
6136
6137        /**
6138         * Helper method for determining if a location provider is enabled.
6139         * @param cr the content resolver to use
6140         * @param provider the location provider to query
6141         * @param userId the userId to query
6142         * @return true if the provider is enabled
6143         * @deprecated use {@link #LOCATION_MODE} or
6144         *             {@link LocationManager#isProviderEnabled(String)}
6145         * @hide
6146         */
6147        @Deprecated
6148        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6149            String allowedProviders = Settings.Secure.getStringForUser(cr,
6150                    LOCATION_PROVIDERS_ALLOWED, userId);
6151            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6152        }
6153
6154        /**
6155         * Thread-safe method for enabling or disabling a single location provider.
6156         * @param cr the content resolver to use
6157         * @param provider the location provider to enable or disable
6158         * @param enabled true if the provider should be enabled
6159         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6160         */
6161        @Deprecated
6162        public static final void setLocationProviderEnabled(ContentResolver cr,
6163                String provider, boolean enabled) {
6164            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6165        }
6166
6167        /**
6168         * Thread-safe method for enabling or disabling a single location provider.
6169         *
6170         * @param cr the content resolver to use
6171         * @param provider the location provider to enable or disable
6172         * @param enabled true if the provider should be enabled
6173         * @param userId the userId for which to enable/disable providers
6174         * @return true if the value was set, false on database errors
6175         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6176         *             {@link #LOCATION_MODE}
6177         * @hide
6178         */
6179        @Deprecated
6180        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6181                String provider, boolean enabled, int userId) {
6182            synchronized (mLocationSettingsLock) {
6183                // to ensure thread safety, we write the provider name with a '+' or '-'
6184                // and let the SettingsProvider handle it rather than reading and modifying
6185                // the list of enabled providers.
6186                if (enabled) {
6187                    provider = "+" + provider;
6188                } else {
6189                    provider = "-" + provider;
6190                }
6191                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6192                        userId);
6193            }
6194        }
6195
6196        /**
6197         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6198         */
6199        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6200            final int mode = getLocationModeForUser(cr, userId);
6201            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6202        }
6203
6204        /**
6205         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6206         */
6207        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6208            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6209                    LOCATION_MODE_HIGH_ACCURACY, userId);
6210            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6211            // turn on location any longer.
6212            if (mode == LOCATION_MODE_OFF) {
6213                mode = LOCATION_MODE_HIGH_ACCURACY;
6214            }
6215            return setLocationModeForUser(cr, mode, userId);
6216        }
6217
6218        /**
6219         * Thread-safe method for setting the location mode to one of
6220         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6221         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6222         *
6223         * @param cr the content resolver to use
6224         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6225         * @param userId the userId for which to change mode
6226         * @return true if the value was set, false on database errors
6227         *
6228         * @throws IllegalArgumentException if mode is not one of the supported values
6229         */
6230        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6231                int userId) {
6232            synchronized (mLocationSettingsLock) {
6233                boolean gps = false;
6234                boolean network = false;
6235                switch (mode) {
6236                    case LOCATION_MODE_PREVIOUS:
6237                        // Retrieve the actual mode and set to that mode.
6238                        return restoreLocationModeForUser(cr, userId);
6239                    case LOCATION_MODE_OFF:
6240                        saveLocationModeForUser(cr, userId);
6241                        break;
6242                    case LOCATION_MODE_SENSORS_ONLY:
6243                        gps = true;
6244                        break;
6245                    case LOCATION_MODE_BATTERY_SAVING:
6246                        network = true;
6247                        break;
6248                    case LOCATION_MODE_HIGH_ACCURACY:
6249                        gps = true;
6250                        network = true;
6251                        break;
6252                    default:
6253                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6254                }
6255                // Note it's important that we set the NLP mode first. The Google implementation
6256                // of NLP clears its NLP consent setting any time it receives a
6257                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6258                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6259                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6260                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6261                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6262                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6263                // dialog. Then the people who wrote the setup wizard would be sad.
6264                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6265                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6266                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6267                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6268                return gpsSuccess && nlpSuccess;
6269            }
6270        }
6271
6272        /**
6273         * Thread-safe method for reading the location mode, returns one of
6274         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6275         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6276         *
6277         * @param cr the content resolver to use
6278         * @param userId the userId for which to read the mode
6279         * @return the location mode
6280         */
6281        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6282            synchronized (mLocationSettingsLock) {
6283                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6284                        cr, LocationManager.GPS_PROVIDER, userId);
6285                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6286                        cr, LocationManager.NETWORK_PROVIDER, userId);
6287                if (gpsEnabled && networkEnabled) {
6288                    return LOCATION_MODE_HIGH_ACCURACY;
6289                } else if (gpsEnabled) {
6290                    return LOCATION_MODE_SENSORS_ONLY;
6291                } else if (networkEnabled) {
6292                    return LOCATION_MODE_BATTERY_SAVING;
6293                } else {
6294                    return LOCATION_MODE_OFF;
6295                }
6296            }
6297        }
6298    }
6299
6300    /**
6301     * Global system settings, containing preferences that always apply identically
6302     * to all defined users.  Applications can read these but are not allowed to write;
6303     * like the "Secure" settings, these are for preferences that the user must
6304     * explicitly modify through the system UI or specialized APIs for those values.
6305     */
6306    public static final class Global extends NameValueTable {
6307        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6308
6309        /**
6310         * The content:// style URL for global secure settings items.  Not public.
6311         */
6312        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6313
6314        /**
6315         * Whether users are allowed to add more users or guest from lockscreen.
6316         * <p>
6317         * Type: int
6318         * @hide
6319         */
6320        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6321
6322        /**
6323         * Setting whether the global gesture for enabling accessibility is enabled.
6324         * If this gesture is enabled the user will be able to perfrom it to enable
6325         * the accessibility state without visiting the settings app.
6326         * @hide
6327         */
6328        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6329                "enable_accessibility_global_gesture_enabled";
6330
6331        /**
6332         * Whether Airplane Mode is on.
6333         */
6334        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6335
6336        /**
6337         * Whether Theater Mode is on.
6338         * {@hide}
6339         */
6340        @SystemApi
6341        public static final String THEATER_MODE_ON = "theater_mode_on";
6342
6343        /**
6344         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6345         */
6346        public static final String RADIO_BLUETOOTH = "bluetooth";
6347
6348        /**
6349         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6350         */
6351        public static final String RADIO_WIFI = "wifi";
6352
6353        /**
6354         * {@hide}
6355         */
6356        public static final String RADIO_WIMAX = "wimax";
6357        /**
6358         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6359         */
6360        public static final String RADIO_CELL = "cell";
6361
6362        /**
6363         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6364         */
6365        public static final String RADIO_NFC = "nfc";
6366
6367        /**
6368         * A comma separated list of radios that need to be disabled when airplane mode
6369         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6370         * included in the comma separated list.
6371         */
6372        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6373
6374        /**
6375         * A comma separated list of radios that should to be disabled when airplane mode
6376         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6377         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6378         * will be turned off when entering airplane mode, but the user will be able to reenable
6379         * Wifi in the Settings app.
6380         *
6381         * {@hide}
6382         */
6383        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6384
6385        /**
6386         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6387         * See {@link android.bluetooth.BluetoothProfile}.
6388         * {@hide}
6389         */
6390        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6391
6392        /**
6393         * A semi-colon separated list of Bluetooth interoperability workarounds.
6394         * Each entry is a partial Bluetooth device address string and an integer representing
6395         * the feature to be disabled, separated by a comma. The integer must correspond
6396         * to a interoperability feature as defined in "interop.h" in /system/bt.
6397         * <p>
6398         * Example: <br/>
6399         *   "00:11:22,0;01:02:03:04,2"
6400         * @hide
6401         */
6402       public static final String BLUETOOTH_INTEROPERABILITY_LIST = "bluetooth_interoperability_list";
6403
6404        /**
6405         * The policy for deciding when Wi-Fi should go to sleep (which will in
6406         * turn switch to using the mobile data as an Internet connection).
6407         * <p>
6408         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6409         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6410         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6411         */
6412        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6413
6414        /**
6415         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6416         * policy, which is to sleep shortly after the turning off
6417         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6418         */
6419        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6420
6421        /**
6422         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6423         * the device is on battery, and never go to sleep when the device is
6424         * plugged in.
6425         */
6426        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6427
6428        /**
6429         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6430         */
6431        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6432
6433        /**
6434         * Value to specify if the user prefers the date, time and time zone
6435         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6436         */
6437        public static final String AUTO_TIME = "auto_time";
6438
6439        /**
6440         * Value to specify if the user prefers the time zone
6441         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6442         */
6443        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6444
6445        /**
6446         * URI for the car dock "in" event sound.
6447         * @hide
6448         */
6449        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6450
6451        /**
6452         * URI for the car dock "out" event sound.
6453         * @hide
6454         */
6455        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6456
6457        /**
6458         * URI for the desk dock "in" event sound.
6459         * @hide
6460         */
6461        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6462
6463        /**
6464         * URI for the desk dock "out" event sound.
6465         * @hide
6466         */
6467        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6468
6469        /**
6470         * Whether to play a sound for dock events.
6471         * @hide
6472         */
6473        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6474
6475        /**
6476         * URI for the "device locked" (keyguard shown) sound.
6477         * @hide
6478         */
6479        public static final String LOCK_SOUND = "lock_sound";
6480
6481        /**
6482         * URI for the "device unlocked" sound.
6483         * @hide
6484         */
6485        public static final String UNLOCK_SOUND = "unlock_sound";
6486
6487        /**
6488         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6489         * state without unlocking.
6490         * @hide
6491         */
6492        public static final String TRUSTED_SOUND = "trusted_sound";
6493
6494        /**
6495         * URI for the low battery sound file.
6496         * @hide
6497         */
6498        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6499
6500        /**
6501         * Whether to play a sound for low-battery alerts.
6502         * @hide
6503         */
6504        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6505
6506        /**
6507         * URI for the "wireless charging started" sound.
6508         * @hide
6509         */
6510        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6511                "wireless_charging_started_sound";
6512
6513        /**
6514         * Whether to play a sound for charging events.
6515         * @hide
6516         */
6517        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6518
6519        /**
6520         * Whether we keep the device on while the device is plugged in.
6521         * Supported values are:
6522         * <ul>
6523         * <li>{@code 0} to never stay on while plugged in</li>
6524         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6525         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6526         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6527         * </ul>
6528         * These values can be OR-ed together.
6529         */
6530        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6531
6532        /**
6533         * When the user has enable the option to have a "bug report" command
6534         * in the power menu.
6535         * @hide
6536         */
6537        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6538
6539        /**
6540         * Whether ADB is enabled.
6541         */
6542        public static final String ADB_ENABLED = "adb_enabled";
6543
6544        /**
6545         * Whether Views are allowed to save their attribute data.
6546         * @hide
6547         */
6548        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6549
6550        /**
6551         * Whether assisted GPS should be enabled or not.
6552         * @hide
6553         */
6554        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6555
6556        /**
6557         * Whether bluetooth is enabled/disabled
6558         * 0=disabled. 1=enabled.
6559         */
6560        public static final String BLUETOOTH_ON = "bluetooth_on";
6561
6562        /**
6563         * CDMA Cell Broadcast SMS
6564         *                            0 = CDMA Cell Broadcast SMS disabled
6565         *                            1 = CDMA Cell Broadcast SMS enabled
6566         * @hide
6567         */
6568        public static final String CDMA_CELL_BROADCAST_SMS =
6569                "cdma_cell_broadcast_sms";
6570
6571        /**
6572         * The CDMA roaming mode 0 = Home Networks, CDMA default
6573         *                       1 = Roaming on Affiliated networks
6574         *                       2 = Roaming on any networks
6575         * @hide
6576         */
6577        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6578
6579        /**
6580         * The CDMA subscription mode 0 = RUIM/SIM (default)
6581         *                                1 = NV
6582         * @hide
6583         */
6584        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6585
6586        /** Inactivity timeout to track mobile data activity.
6587        *
6588        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6589        * infer the data activity of mobile network. After a period of no activity on mobile
6590        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6591        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6592        * subsequent activity on mobile networks triggers the firing of {@code
6593        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6594        *
6595        * Network activity refers to transmitting or receiving data on the network interfaces.
6596        *
6597        * Tracking is disabled if set to zero or negative value.
6598        *
6599        * @hide
6600        */
6601       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6602
6603       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6604        * but for Wifi network.
6605        * @hide
6606        */
6607       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6608
6609       /**
6610        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6611        */
6612       public static final String DATA_ROAMING = "data_roaming";
6613
6614       /**
6615        * The value passed to a Mobile DataConnection via bringUp which defines the
6616        * number of retries to preform when setting up the initial connection. The default
6617        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6618        * @hide
6619        */
6620       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6621
6622       /**
6623        * Whether any package can be on external storage. When this is true, any
6624        * package, regardless of manifest values, is a candidate for installing
6625        * or moving onto external storage. (0 = false, 1 = true)
6626        * @hide
6627        */
6628       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6629
6630        /**
6631         * Whether any activity can be resized. When this is true, any
6632         * activity, regardless of manifest values, can be resized for multi-window.
6633         * (0 = false, 1 = true)
6634         * @hide
6635         */
6636        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6637                = "force_resizable_activities";
6638
6639        /**
6640         * Whether to enable experimental freeform support for windows.
6641         * @hide
6642         */
6643        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6644                = "enable_freeform_support";
6645
6646       /**
6647        * Whether user has enabled development settings.
6648        */
6649       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6650
6651       /**
6652        * Whether the device has been provisioned (0 = false, 1 = true).
6653        * <p>On a multiuser device with a separate system user, the screen may be locked
6654        * as soon as this is set to true and further activities cannot be launched on the
6655        * system user unless they are marked to show over keyguard.
6656        */
6657       public static final String DEVICE_PROVISIONED = "device_provisioned";
6658
6659       /**
6660        * The saved value for WindowManagerService.setForcedDisplaySize().
6661        * Two integers separated by a comma.  If unset, then use the real display size.
6662        * @hide
6663        */
6664       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6665
6666       /**
6667        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6668        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6669        * @hide
6670        */
6671       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6672
6673       /**
6674        * The maximum size, in bytes, of a download that the download manager will transfer over
6675        * a non-wifi connection.
6676        * @hide
6677        */
6678       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6679               "download_manager_max_bytes_over_mobile";
6680
6681       /**
6682        * The recommended maximum size, in bytes, of a download that the download manager should
6683        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6684        * have the option to start the download over the mobile connection anyway.
6685        * @hide
6686        */
6687       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6688               "download_manager_recommended_max_bytes_over_mobile";
6689
6690       /**
6691        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6692        */
6693       @Deprecated
6694       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6695
6696       /**
6697        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6698        * sent or processed. (0 = false, 1 = true)
6699        * @hide
6700        */
6701       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6702
6703       /**
6704        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6705        * and the output is redirected to AV Receiver connected via
6706        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6707        * @hide
6708        */
6709       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6710
6711       /**
6712        * Whether TV will automatically turn on upon reception of the CEC command
6713        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6714        * @hide
6715        */
6716       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6717               "hdmi_control_auto_wakeup_enabled";
6718
6719       /**
6720        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6721        * (0 = false, 1 = true)
6722        * @hide
6723        */
6724       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6725               "hdmi_control_auto_device_off_enabled";
6726
6727       /**
6728        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6729        * client.
6730        * (0 = false, 1 = true)
6731        * @hide
6732        */
6733       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6734
6735       /**
6736        * Whether TV will switch to MHL port when a mobile device is plugged in.
6737        * (0 = false, 1 = true)
6738        * @hide
6739        */
6740       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6741
6742       /**
6743        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6744        * @hide
6745        */
6746       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6747
6748       /**
6749        * Whether mobile data connections are allowed by the user.  See
6750        * ConnectivityManager for more info.
6751        * @hide
6752        */
6753       public static final String MOBILE_DATA = "mobile_data";
6754
6755       /**
6756        * Whether the mobile data connection should remain active even when higher
6757        * priority networks like WiFi are active, to help make network switching faster.
6758        *
6759        * See ConnectivityService for more info.
6760        *
6761        * (0 = disabled, 1 = enabled)
6762        * @hide
6763        */
6764       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6765
6766       /** {@hide} */
6767       public static final String NETSTATS_ENABLED = "netstats_enabled";
6768       /** {@hide} */
6769       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6770       /** {@hide} */
6771       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6772       /** {@hide} */
6773       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6774       /** {@hide} */
6775       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6776
6777       /** {@hide} */
6778       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6779       /** {@hide} */
6780       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6781       /** {@hide} */
6782       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6783       /** {@hide} */
6784       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6785
6786       /** {@hide} */
6787       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6788       /** {@hide} */
6789       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6790       /** {@hide} */
6791       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6792       /** {@hide} */
6793       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6794
6795       /** {@hide} */
6796       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6797       /** {@hide} */
6798       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6799       /** {@hide} */
6800       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6801       /** {@hide} */
6802       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6803
6804       /**
6805        * User preference for which network(s) should be used. Only the
6806        * connectivity service should touch this.
6807        */
6808       public static final String NETWORK_PREFERENCE = "network_preference";
6809
6810       /**
6811        * Which package name to use for network scoring. If null, or if the package is not a valid
6812        * scorer app, external network scores will neither be requested nor accepted.
6813        * @hide
6814        */
6815       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6816
6817       /**
6818        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6819        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6820        * exceeded.
6821        * @hide
6822        */
6823       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6824
6825       /**
6826        * The length of time in milli-seconds that automatic small adjustments to
6827        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6828        * @hide
6829        */
6830       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6831
6832       /** Preferred NTP server. {@hide} */
6833       public static final String NTP_SERVER = "ntp_server";
6834       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6835       public static final String NTP_TIMEOUT = "ntp_timeout";
6836
6837       /** {@hide} */
6838       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6839
6840       /**
6841        * Whether to disable the automatic scheduling of system updates.
6842        * 1 = system updates won't be automatically scheduled (will always
6843        * present notification instead).
6844        * 0 = system updates will be automatically scheduled. (default)
6845        * @hide
6846        */
6847       @SystemApi
6848       public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
6849
6850       /**
6851        * Whether the package manager should send package verification broadcasts for verifiers to
6852        * review apps prior to installation.
6853        * 1 = request apps to be verified prior to installation, if a verifier exists.
6854        * 0 = do not verify apps before installation
6855        * @hide
6856        */
6857       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6858
6859       /** Timeout for package verification.
6860        * @hide */
6861       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6862
6863       /** Default response code for package verification.
6864        * @hide */
6865       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6866
6867       /**
6868        * Show package verification setting in the Settings app.
6869        * 1 = show (default)
6870        * 0 = hide
6871        * @hide
6872        */
6873       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6874
6875       /**
6876        * Run package verification on apps installed through ADB/ADT/USB
6877        * 1 = perform package verification on ADB installs (default)
6878        * 0 = bypass package verification on ADB installs
6879        * @hide
6880        */
6881       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6882
6883       /**
6884        * Time since last fstrim (milliseconds) after which we force one to happen
6885        * during device startup.  If unset, the default is 3 days.
6886        * @hide
6887        */
6888       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6889
6890       /**
6891        * The interval in milliseconds at which to check packet counts on the
6892        * mobile data interface when screen is on, to detect possible data
6893        * connection problems.
6894        * @hide
6895        */
6896       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6897               "pdp_watchdog_poll_interval_ms";
6898
6899       /**
6900        * The interval in milliseconds at which to check packet counts on the
6901        * mobile data interface when screen is off, to detect possible data
6902        * connection problems.
6903        * @hide
6904        */
6905       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6906               "pdp_watchdog_long_poll_interval_ms";
6907
6908       /**
6909        * The interval in milliseconds at which to check packet counts on the
6910        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6911        * outgoing packets has been reached without incoming packets.
6912        * @hide
6913        */
6914       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6915               "pdp_watchdog_error_poll_interval_ms";
6916
6917       /**
6918        * The number of outgoing packets sent without seeing an incoming packet
6919        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6920        * device is logged to the event log
6921        * @hide
6922        */
6923       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6924               "pdp_watchdog_trigger_packet_count";
6925
6926       /**
6927        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6928        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6929        * attempting data connection recovery.
6930        * @hide
6931        */
6932       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6933               "pdp_watchdog_error_poll_count";
6934
6935       /**
6936        * The number of failed PDP reset attempts before moving to something more
6937        * drastic: re-registering to the network.
6938        * @hide
6939        */
6940       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6941               "pdp_watchdog_max_pdp_reset_fail_count";
6942
6943       /**
6944        * A positive value indicates how often the SamplingProfiler
6945        * should take snapshots. Zero value means SamplingProfiler
6946        * is disabled.
6947        *
6948        * @hide
6949        */
6950       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6951
6952       /**
6953        * URL to open browser on to allow user to manage a prepay account
6954        * @hide
6955        */
6956       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6957               "setup_prepaid_data_service_url";
6958
6959       /**
6960        * URL to attempt a GET on to see if this is a prepay device
6961        * @hide
6962        */
6963       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6964               "setup_prepaid_detection_target_url";
6965
6966       /**
6967        * Host to check for a redirect to after an attempt to GET
6968        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6969        * this is a prepaid device with zero balance.)
6970        * @hide
6971        */
6972       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6973               "setup_prepaid_detection_redir_host";
6974
6975       /**
6976        * The interval in milliseconds at which to check the number of SMS sent out without asking
6977        * for use permit, to limit the un-authorized SMS usage.
6978        *
6979        * @hide
6980        */
6981       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6982               "sms_outgoing_check_interval_ms";
6983
6984       /**
6985        * The number of outgoing SMS sent without asking for user permit (of {@link
6986        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6987        *
6988        * @hide
6989        */
6990       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6991               "sms_outgoing_check_max_count";
6992
6993       /**
6994        * Used to disable SMS short code confirmation - defaults to true.
6995        * True indcates we will do the check, etc.  Set to false to disable.
6996        * @see com.android.internal.telephony.SmsUsageMonitor
6997        * @hide
6998        */
6999       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
7000
7001        /**
7002         * Used to select which country we use to determine premium sms codes.
7003         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
7004         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
7005         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
7006         * @hide
7007         */
7008        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
7009
7010       /**
7011        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
7012        * @hide
7013        */
7014       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
7015
7016       /**
7017        * Used to disable Tethering on a device - defaults to true
7018        * @hide
7019        */
7020       public static final String TETHER_SUPPORTED = "tether_supported";
7021
7022       /**
7023        * Used to require DUN APN on the device or not - defaults to a build config value
7024        * which defaults to false
7025        * @hide
7026        */
7027       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
7028
7029       /**
7030        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
7031        * corresponding build config values are set it will override the APN DB
7032        * values.
7033        * Consists of a comma seperated list of strings:
7034        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
7035        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
7036        * @hide
7037        */
7038       public static final String TETHER_DUN_APN = "tether_dun_apn";
7039
7040       /**
7041        * List of carrier apps which are whitelisted to prompt the user for install when
7042        * a sim card with matching uicc carrier privilege rules is inserted.
7043        *
7044        * The value is "package1;package2;..."
7045        * @hide
7046        */
7047       public static final String CARRIER_APP_WHITELIST = "carrier_app_whitelist";
7048
7049       /**
7050        * USB Mass Storage Enabled
7051        */
7052       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
7053
7054       /**
7055        * If this setting is set (to anything), then all references
7056        * to Gmail on the device must change to Google Mail.
7057        */
7058       public static final String USE_GOOGLE_MAIL = "use_google_mail";
7059
7060        /**
7061         * Webview Data reduction proxy key.
7062         * @hide
7063         */
7064        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
7065                "webview_data_reduction_proxy_key";
7066
7067        /**
7068         * Whether or not the WebView fallback mechanism should be enabled.
7069         * 0=disabled, 1=enabled.
7070         * @hide
7071         */
7072        public static final String WEBVIEW_FALLBACK_LOGIC_ENABLED =
7073                "webview_fallback_logic_enabled";
7074
7075        /**
7076         * Name of the package used as WebView provider (if unset the provider is instead determined
7077         * by the system).
7078         * @hide
7079         */
7080        public static final String WEBVIEW_PROVIDER = "webview_provider";
7081
7082        /**
7083         * Developer setting to enable WebView multiprocess rendering.
7084         * @hide
7085         */
7086        @SystemApi
7087        public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
7088
7089       /**
7090        * Whether Wifi display is enabled/disabled
7091        * 0=disabled. 1=enabled.
7092        * @hide
7093        */
7094       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
7095
7096       /**
7097        * Whether Wifi display certification mode is enabled/disabled
7098        * 0=disabled. 1=enabled.
7099        * @hide
7100        */
7101       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
7102               "wifi_display_certification_on";
7103
7104       /**
7105        * WPS Configuration method used by Wifi display, this setting only
7106        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
7107        *
7108        * Possible values are:
7109        *
7110        * WpsInfo.INVALID: use default WPS method chosen by framework
7111        * WpsInfo.PBC    : use Push button
7112        * WpsInfo.KEYPAD : use Keypad
7113        * WpsInfo.DISPLAY: use Display
7114        * @hide
7115        */
7116       public static final String WIFI_DISPLAY_WPS_CONFIG =
7117           "wifi_display_wps_config";
7118
7119       /**
7120        * Whether to notify the user of open networks.
7121        * <p>
7122        * If not connected and the scan results have an open network, we will
7123        * put this notification up. If we attempt to connect to a network or
7124        * the open network(s) disappear, we remove the notification. When we
7125        * show the notification, we will not show it again for
7126        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
7127        */
7128       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7129               "wifi_networks_available_notification_on";
7130       /**
7131        * {@hide}
7132        */
7133       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7134               "wimax_networks_available_notification_on";
7135
7136       /**
7137        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
7138        * Connecting to a network will reset the timer.
7139        */
7140       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
7141               "wifi_networks_available_repeat_delay";
7142
7143       /**
7144        * 802.11 country code in ISO 3166 format
7145        * @hide
7146        */
7147       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
7148
7149       /**
7150        * The interval in milliseconds to issue wake up scans when wifi needs
7151        * to connect. This is necessary to connect to an access point when
7152        * device is on the move and the screen is off.
7153        * @hide
7154        */
7155       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
7156               "wifi_framework_scan_interval_ms";
7157
7158       /**
7159        * The interval in milliseconds after which Wi-Fi is considered idle.
7160        * When idle, it is possible for the device to be switched from Wi-Fi to
7161        * the mobile data network.
7162        * @hide
7163        */
7164       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
7165
7166       /**
7167        * When the number of open networks exceeds this number, the
7168        * least-recently-used excess networks will be removed.
7169        */
7170       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
7171
7172       /**
7173        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7174        */
7175       public static final String WIFI_ON = "wifi_on";
7176
7177       /**
7178        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7179        * @hide
7180        */
7181       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7182                "wifi_scan_always_enabled";
7183
7184       /**
7185        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7186        * connectivity.
7187        * @hide
7188        */
7189       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7190               "ble_scan_always_enabled";
7191
7192       /**
7193        * Used to save the Wifi_ON state prior to tethering.
7194        * This state will be checked to restore Wifi after
7195        * the user turns off tethering.
7196        *
7197        * @hide
7198        */
7199       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7200
7201       /**
7202        * The interval in milliseconds to scan as used by the wifi supplicant
7203        * @hide
7204        */
7205       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7206               "wifi_supplicant_scan_interval_ms";
7207
7208        /**
7209         * whether frameworks handles wifi auto-join
7210         * @hide
7211         */
7212       public static final String WIFI_ENHANCED_AUTO_JOIN =
7213                "wifi_enhanced_auto_join";
7214
7215        /**
7216         * whether settings show RSSI
7217         * @hide
7218         */
7219        public static final String WIFI_NETWORK_SHOW_RSSI =
7220                "wifi_network_show_rssi";
7221
7222        /**
7223        * The interval in milliseconds to scan at supplicant when p2p is connected
7224        * @hide
7225        */
7226       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7227               "wifi_scan_interval_p2p_connected_ms";
7228
7229       /**
7230        * Whether the Wi-Fi watchdog is enabled.
7231        */
7232       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7233
7234       /**
7235        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7236        * the setting needs to be set to 0 to disable it.
7237        * @hide
7238        */
7239       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7240               "wifi_watchdog_poor_network_test_enabled";
7241
7242       /**
7243        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7244        * needs to be set to 0 to disable it.
7245        * @hide
7246        */
7247       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7248               "wifi_suspend_optimizations_enabled";
7249
7250       /**
7251        * The maximum number of times we will retry a connection to an access
7252        * point for which we have failed in acquiring an IP address from DHCP.
7253        * A value of N means that we will make N+1 connection attempts in all.
7254        */
7255       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7256
7257       /**
7258        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7259        * data connectivity to be established after a disconnect from Wi-Fi.
7260        */
7261       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7262           "wifi_mobile_data_transition_wakelock_timeout_ms";
7263
7264       /**
7265        * This setting controls whether WiFi configurations created by a Device Owner app
7266        * should be locked down (that is, be editable or removable only by the Device Owner App,
7267        * not even by Settings app).
7268        * This setting takes integer values. Non-zero values mean DO created configurations
7269        * are locked down. Value of zero means they are not. Default value in the absence of
7270        * actual value to this setting is 0.
7271        */
7272       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7273               "wifi_device_owner_configs_lockdown";
7274
7275       /**
7276        * The operational wifi frequency band
7277        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7278        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7279        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7280        *
7281        * @hide
7282        */
7283       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7284
7285       /**
7286        * The Wi-Fi peer-to-peer device name
7287        * @hide
7288        */
7289       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7290
7291       /**
7292        * The min time between wifi disable and wifi enable
7293        * @hide
7294        */
7295       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7296
7297       /**
7298        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7299        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7300        * has been seen in this time period.
7301        *
7302        * If this is less than or equal to zero, we use a more conservative behavior and only check
7303        * for a non-null score from the currently connected or target BSSID.
7304        * @hide
7305        */
7306       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7307               "wifi_ephemeral_out_of_range_timeout_ms";
7308
7309       /**
7310        * The number of milliseconds to delay when checking for data stalls during
7311        * non-aggressive detection. (screen is turned off.)
7312        * @hide
7313        */
7314       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7315               "data_stall_alarm_non_aggressive_delay_in_ms";
7316
7317       /**
7318        * The number of milliseconds to delay when checking for data stalls during
7319        * aggressive detection. (screen on or suspected data stall)
7320        * @hide
7321        */
7322       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7323               "data_stall_alarm_aggressive_delay_in_ms";
7324
7325       /**
7326        * The number of milliseconds to allow the provisioning apn to remain active
7327        * @hide
7328        */
7329       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7330               "provisioning_apn_alarm_delay_in_ms";
7331
7332       /**
7333        * The interval in milliseconds at which to check gprs registration
7334        * after the first registration mismatch of gprs and voice service,
7335        * to detect possible data network registration problems.
7336        *
7337        * @hide
7338        */
7339       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7340               "gprs_register_check_period_ms";
7341
7342       /**
7343        * Nonzero causes Log.wtf() to crash.
7344        * @hide
7345        */
7346       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7347
7348       /**
7349        * Ringer mode. This is used internally, changing this value will not
7350        * change the ringer mode. See AudioManager.
7351        */
7352       public static final String MODE_RINGER = "mode_ringer";
7353
7354       /**
7355        * Overlay display devices setting.
7356        * The associated value is a specially formatted string that describes the
7357        * size and density of simulated secondary display devices.
7358        * <p>
7359        * Format: {width}x{height}/{dpi};...
7360        * </p><p>
7361        * Example:
7362        * <ul>
7363        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7364        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7365        * at 1080p and the second at 720p.</li>
7366        * <li>If the value is empty, then no overlay display devices are created.</li>
7367        * </ul></p>
7368        *
7369        * @hide
7370        */
7371       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7372
7373        /**
7374         * Threshold values for the duration and level of a discharge cycle,
7375         * under which we log discharge cycle info.
7376         *
7377         * @hide
7378         */
7379        public static final String
7380                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7381
7382        /** @hide */
7383        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7384
7385        /**
7386         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7387         * intents on application crashes and ANRs. If this is disabled, the
7388         * crash/ANR dialog will never display the "Report" button.
7389         * <p>
7390         * Type: int (0 = disallow, 1 = allow)
7391         *
7392         * @hide
7393         */
7394        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7395
7396        /**
7397         * Maximum age of entries kept by {@link DropBoxManager}.
7398         *
7399         * @hide
7400         */
7401        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7402
7403        /**
7404         * Maximum number of entry files which {@link DropBoxManager} will keep
7405         * around.
7406         *
7407         * @hide
7408         */
7409        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7410
7411        /**
7412         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7413         * what.
7414         *
7415         * @hide
7416         */
7417        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7418
7419        /**
7420         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7421         * will use.
7422         *
7423         * @hide
7424         */
7425        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7426
7427        /**
7428         * Percent of total disk which {@link DropBoxManager} will never dip
7429         * into.
7430         *
7431         * @hide
7432         */
7433        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7434
7435        /**
7436         * Prefix for per-tag dropbox disable/enable settings.
7437         *
7438         * @hide
7439         */
7440        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7441
7442        /**
7443         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7444         * prefix of the dropbox tag of the report type. For example,
7445         * "logcat_for_system_server_anr" controls the lines of logcat captured
7446         * with system server ANR reports. 0 to disable.
7447         *
7448         * @hide
7449         */
7450        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7451
7452        /**
7453         * The interval in minutes after which the amount of free storage left
7454         * on the device is logged to the event log
7455         *
7456         * @hide
7457         */
7458        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7459
7460        /**
7461         * Threshold for the amount of change in disk free space required to
7462         * report the amount of free space. Used to prevent spamming the logs
7463         * when the disk free space isn't changing frequently.
7464         *
7465         * @hide
7466         */
7467        public static final String
7468                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7469
7470        /**
7471         * Minimum percentage of free storage on the device that is used to
7472         * determine if the device is running low on storage. The default is 10.
7473         * <p>
7474         * Say this value is set to 10, the device is considered running low on
7475         * storage if 90% or more of the device storage is filled up.
7476         *
7477         * @hide
7478         */
7479        public static final String
7480                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7481
7482        /**
7483         * Maximum byte size of the low storage threshold. This is to ensure
7484         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7485         * overly large threshold for large storage devices. Currently this must
7486         * be less than 2GB. This default is 500MB.
7487         *
7488         * @hide
7489         */
7490        public static final String
7491                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7492
7493        /**
7494         * Minimum bytes of free storage on the device before the data partition
7495         * is considered full. By default, 1 MB is reserved to avoid system-wide
7496         * SQLite disk full exceptions.
7497         *
7498         * @hide
7499         */
7500        public static final String
7501                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7502
7503        /**
7504         * The maximum reconnect delay for short network outages or when the
7505         * network is suspended due to phone use.
7506         *
7507         * @hide
7508         */
7509        public static final String
7510                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7511
7512        /**
7513         * The number of milliseconds to delay before sending out
7514         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7515         *
7516         * @hide
7517         */
7518        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7519
7520
7521        /**
7522         * Network sampling interval, in seconds. We'll generate link information
7523         * about bytes/packets sent and error rates based on data sampled in this interval
7524         *
7525         * @hide
7526         */
7527
7528        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7529                "connectivity_sampling_interval_in_seconds";
7530
7531        /**
7532         * The series of successively longer delays used in retrying to download PAC file.
7533         * Last delay is used between successful PAC downloads.
7534         *
7535         * @hide
7536         */
7537        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7538
7539        /**
7540         * Setting to turn off captive portal detection. Feature is enabled by
7541         * default and the setting needs to be set to 0 to disable it.
7542         *
7543         * @hide
7544         */
7545        public static final String
7546                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7547
7548        /**
7549         * The server used for captive portal detection upon a new conection. A
7550         * 204 response code from the server is used for validation.
7551         *
7552         * @hide
7553         */
7554        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7555
7556        /**
7557         * Whether network service discovery is enabled.
7558         *
7559         * @hide
7560         */
7561        public static final String NSD_ON = "nsd_on";
7562
7563        /**
7564         * Let user pick default install location.
7565         *
7566         * @hide
7567         */
7568        public static final String SET_INSTALL_LOCATION = "set_install_location";
7569
7570        /**
7571         * Default install location value.
7572         * 0 = auto, let system decide
7573         * 1 = internal
7574         * 2 = sdcard
7575         * @hide
7576         */
7577        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7578
7579        /**
7580         * ms during which to consume extra events related to Inet connection
7581         * condition after a transtion to fully-connected
7582         *
7583         * @hide
7584         */
7585        public static final String
7586                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7587
7588        /**
7589         * ms during which to consume extra events related to Inet connection
7590         * condtion after a transtion to partly-connected
7591         *
7592         * @hide
7593         */
7594        public static final String
7595                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7596
7597        /** {@hide} */
7598        public static final String
7599                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7600
7601        /**
7602         * Host name and port for global http proxy. Uses ':' seperator for
7603         * between host and port.
7604         */
7605        public static final String HTTP_PROXY = "http_proxy";
7606
7607        /**
7608         * Host name for global http proxy. Set via ConnectivityManager.
7609         *
7610         * @hide
7611         */
7612        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7613
7614        /**
7615         * Integer host port for global http proxy. Set via ConnectivityManager.
7616         *
7617         * @hide
7618         */
7619        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7620
7621        /**
7622         * Exclusion list for global proxy. This string contains a list of
7623         * comma-separated domains where the global proxy does not apply.
7624         * Domains should be listed in a comma- separated list. Example of
7625         * acceptable formats: ".domain1.com,my.domain2.com" Use
7626         * ConnectivityManager to set/get.
7627         *
7628         * @hide
7629         */
7630        public static final String
7631                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7632
7633        /**
7634         * The location PAC File for the proxy.
7635         * @hide
7636         */
7637        public static final String
7638                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7639
7640        /**
7641         * Enables the UI setting to allow the user to specify the global HTTP
7642         * proxy and associated exclusion list.
7643         *
7644         * @hide
7645         */
7646        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7647
7648        /**
7649         * Setting for default DNS in case nobody suggests one
7650         *
7651         * @hide
7652         */
7653        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7654
7655        /** {@hide} */
7656        public static final String
7657                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7658        /** {@hide} */
7659        public static final String
7660                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7661        /** {@hide} */
7662        public static final String
7663                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7664        /** {@hide} */
7665        public static final String
7666                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7667        /** {@hide} */
7668        public static final String
7669                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7670        /** {@hide} */
7671        public static final String
7672                BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX = "bluetooth_pbap_client_priority_";
7673        /** {@hide} */
7674        public static final String
7675                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7676
7677        /**
7678         * Device Idle (Doze) specific settings.
7679         * This is encoded as a key=value list, separated by commas. Ex:
7680         *
7681         * "inactive_timeout=60000,sensing_timeout=400000"
7682         *
7683         * The following keys are supported:
7684         *
7685         * <pre>
7686         * inactive_to                      (long)
7687         * sensing_to                       (long)
7688         * motion_inactive_to               (long)
7689         * idle_after_inactive_to           (long)
7690         * idle_pending_to                  (long)
7691         * max_idle_pending_to              (long)
7692         * idle_pending_factor              (float)
7693         * idle_to                          (long)
7694         * max_idle_to                      (long)
7695         * idle_factor                      (float)
7696         * min_time_to_alarm                (long)
7697         * max_temp_app_whitelist_duration  (long)
7698         * </pre>
7699         *
7700         * <p>
7701         * Type: string
7702         * @hide
7703         * @see com.android.server.DeviceIdleController.Constants
7704         */
7705        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7706
7707        /**
7708         * App standby (app idle) specific settings.
7709         * This is encoded as a key=value list, separated by commas. Ex:
7710         *
7711         * "idle_duration=5000,parole_interval=4500"
7712         *
7713         * The following keys are supported:
7714         *
7715         * <pre>
7716         * idle_duration2       (long)
7717         * wallclock_threshold  (long)
7718         * parole_interval      (long)
7719         * parole_duration      (long)
7720         *
7721         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7722         * </pre>
7723         *
7724         * <p>
7725         * Type: string
7726         * @hide
7727         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7728         */
7729        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7730
7731        /**
7732         * Alarm manager specific settings.
7733         * This is encoded as a key=value list, separated by commas. Ex:
7734         *
7735         * "min_futurity=5000,allow_while_idle_short_time=4500"
7736         *
7737         * The following keys are supported:
7738         *
7739         * <pre>
7740         * min_futurity                         (long)
7741         * min_interval                         (long)
7742         * allow_while_idle_short_time          (long)
7743         * allow_while_idle_long_time           (long)
7744         * allow_while_idle_whitelist_duration  (long)
7745         * </pre>
7746         *
7747         * <p>
7748         * Type: string
7749         * @hide
7750         * @see com.android.server.AlarmManagerService.Constants
7751         */
7752        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7753
7754        /**
7755         * ShortcutManager specific settings.
7756         * This is encoded as a key=value list, separated by commas. Ex:
7757         *
7758         * "reset_interval_sec=86400,max_daily_updates=5"
7759         *
7760         * The following keys are supported:
7761         *
7762         * <pre>
7763         * reset_interval_sec              (long)
7764         * max_daily_updates               (int)
7765         * max_icon_dimension_dp           (int, DP)
7766         * max_icon_dimension_dp_lowram    (int, DP)
7767         * max_shortcuts                   (int)
7768         * icon_quality                    (int, 0-100)
7769         * icon_format                     (String)
7770         * </pre>
7771         *
7772         * <p>
7773         * Type: string
7774         * @hide
7775         * @see com.android.server.pm.ShortcutService.ConfigConstants
7776         */
7777        public static final String SHORTCUT_MANAGER_CONSTANTS = "shortcut_manager_constants";
7778
7779        /**
7780         * Get the key that retrieves a bluetooth headset's priority.
7781         * @hide
7782         */
7783        public static final String getBluetoothHeadsetPriorityKey(String address) {
7784            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7785        }
7786
7787        /**
7788         * Get the key that retrieves a bluetooth a2dp sink's priority.
7789         * @hide
7790         */
7791        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7792            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7793        }
7794
7795        /**
7796         * Get the key that retrieves a bluetooth a2dp src's priority.
7797         * @hide
7798         */
7799        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
7800            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7801        }
7802
7803        /**
7804         * Get the key that retrieves a bluetooth Input Device's priority.
7805         * @hide
7806         */
7807        public static final String getBluetoothInputDevicePriorityKey(String address) {
7808            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7809        }
7810
7811        /**
7812         * Get the key that retrieves a bluetooth map priority.
7813         * @hide
7814         */
7815        public static final String getBluetoothMapPriorityKey(String address) {
7816            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7817        }
7818
7819        /**
7820         * Get the key that retrieves a bluetooth pbap client priority.
7821         * @hide
7822         */
7823        public static final String getBluetoothPbapClientPriorityKey(String address) {
7824            return BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7825        }
7826
7827        /**
7828         * Get the key that retrieves a bluetooth map priority.
7829         * @hide
7830         */
7831        public static final String getBluetoothSapPriorityKey(String address) {
7832            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7833        }
7834
7835        /**
7836         * Scaling factor for normal window animations. Setting to 0 will
7837         * disable window animations.
7838         */
7839        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7840
7841        /**
7842         * Scaling factor for activity transition animations. Setting to 0 will
7843         * disable window animations.
7844         */
7845        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7846
7847        /**
7848         * Scaling factor for Animator-based animations. This affects both the
7849         * start delay and duration of all such animations. Setting to 0 will
7850         * cause animations to end immediately. The default value is 1.
7851         */
7852        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7853
7854        /**
7855         * Scaling factor for normal window animations. Setting to 0 will
7856         * disable window animations.
7857         *
7858         * @hide
7859         */
7860        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7861
7862        /**
7863         * If 0, the compatibility mode is off for all applications.
7864         * If 1, older applications run under compatibility mode.
7865         * TODO: remove this settings before code freeze (bug/1907571)
7866         * @hide
7867         */
7868        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7869
7870        /**
7871         * CDMA only settings
7872         * Emergency Tone  0 = Off
7873         *                 1 = Alert
7874         *                 2 = Vibrate
7875         * @hide
7876         */
7877        public static final String EMERGENCY_TONE = "emergency_tone";
7878
7879        /**
7880         * CDMA only settings
7881         * Whether the auto retry is enabled. The value is
7882         * boolean (1 or 0).
7883         * @hide
7884         */
7885        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7886
7887        /**
7888         * See RIL_PreferredNetworkType in ril.h
7889         * @hide
7890         */
7891        public static final String PREFERRED_NETWORK_MODE =
7892                "preferred_network_mode";
7893
7894        /**
7895         * Name of an application package to be debugged.
7896         */
7897        public static final String DEBUG_APP = "debug_app";
7898
7899        /**
7900         * If 1, when launching DEBUG_APP it will wait for the debugger before
7901         * starting user code.  If 0, it will run normally.
7902         */
7903        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7904
7905        /**
7906         * Control whether the process CPU usage meter should be shown.
7907         */
7908        public static final String SHOW_PROCESSES = "show_processes";
7909
7910        /**
7911         * If 1 low power mode is enabled.
7912         * @hide
7913         */
7914        public static final String LOW_POWER_MODE = "low_power";
7915
7916        /**
7917         * Battery level [1-99] at which low power mode automatically turns on.
7918         * If 0, it will not automatically turn on.
7919         * @hide
7920         */
7921        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7922
7923         /**
7924         * If not 0, the activity manager will aggressively finish activities and
7925         * processes as soon as they are no longer needed.  If 0, the normal
7926         * extended lifetime is used.
7927         */
7928        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7929
7930        /**
7931         * @hide
7932         * If not 0, the activity manager will implement a looser version of background
7933         * check that is more compatible with existing apps.
7934         */
7935        public static final String LENIENT_BACKGROUND_CHECK = "lenient_background_check";
7936
7937        /**
7938         * Use Dock audio output for media:
7939         *      0 = disabled
7940         *      1 = enabled
7941         * @hide
7942         */
7943        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7944
7945        /**
7946         * The surround sound formats AC3, DTS or IEC61937 are
7947         * available for use if they are detected.
7948         * This is the default mode.
7949         *
7950         * Note that AUTO is equivalent to ALWAYS for Android TVs and other
7951         * devices that have an S/PDIF output. This is because S/PDIF
7952         * is unidirectional and the TV cannot know if a decoder is
7953         * connected. So it assumes they are always available.
7954         * @hide
7955         */
7956         public static final int ENCODED_SURROUND_OUTPUT_AUTO = 0;
7957
7958        /**
7959         * AC3, DTS or IEC61937 are NEVER available, even if they
7960         * are detected by the hardware. Those formats will not be
7961         * reported.
7962         *
7963         * An example use case would be an AVR reports that it is capable of
7964         * surround sound decoding but is broken. If NEVER is chosen
7965         * then apps must use PCM output instead of encoded output.
7966         * @hide
7967         */
7968         public static final int ENCODED_SURROUND_OUTPUT_NEVER = 1;
7969
7970        /**
7971         * AC3, DTS or IEC61937 are ALWAYS available, even if they
7972         * are not detected by the hardware. Those formats will be
7973         * reported as part of the HDMI output capability. Applications
7974         * are then free to use either PCM or encoded output.
7975         *
7976         * An example use case would be a when TV was connected over
7977         * TOS-link to an AVR. But the TV could not see it because TOS-link
7978         * is unidirectional.
7979         * @hide
7980         */
7981         public static final int ENCODED_SURROUND_OUTPUT_ALWAYS = 2;
7982
7983        /**
7984         * Set to ENCODED_SURROUND_OUTPUT_AUTO,
7985         * ENCODED_SURROUND_OUTPUT_NEVER or
7986         * ENCODED_SURROUND_OUTPUT_ALWAYS
7987         * @hide
7988         */
7989        public static final String ENCODED_SURROUND_OUTPUT = "encoded_surround_output";
7990
7991        /**
7992         * Persisted safe headphone volume management state by AudioService
7993         * @hide
7994         */
7995        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7996
7997        /**
7998         * URL for tzinfo (time zone) updates
7999         * @hide
8000         */
8001        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
8002
8003        /**
8004         * URL for tzinfo (time zone) update metadata
8005         * @hide
8006         */
8007        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
8008
8009        /**
8010         * URL for selinux (mandatory access control) updates
8011         * @hide
8012         */
8013        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
8014
8015        /**
8016         * URL for selinux (mandatory access control) update metadata
8017         * @hide
8018         */
8019        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
8020
8021        /**
8022         * URL for sms short code updates
8023         * @hide
8024         */
8025        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
8026                "sms_short_codes_content_url";
8027
8028        /**
8029         * URL for sms short code update metadata
8030         * @hide
8031         */
8032        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
8033                "sms_short_codes_metadata_url";
8034
8035        /**
8036         * URL for apn_db updates
8037         * @hide
8038         */
8039        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
8040
8041        /**
8042         * URL for apn_db update metadata
8043         * @hide
8044         */
8045        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
8046
8047        /**
8048         * URL for cert pinlist updates
8049         * @hide
8050         */
8051        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
8052
8053        /**
8054         * URL for cert pinlist updates
8055         * @hide
8056         */
8057        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
8058
8059        /**
8060         * URL for intent firewall updates
8061         * @hide
8062         */
8063        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
8064                "intent_firewall_content_url";
8065
8066        /**
8067         * URL for intent firewall update metadata
8068         * @hide
8069         */
8070        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
8071                "intent_firewall_metadata_url";
8072
8073        /**
8074         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
8075         * @hide
8076         */
8077        public static final String SELINUX_STATUS = "selinux_status";
8078
8079        /**
8080         * Developer setting to force RTL layout.
8081         * @hide
8082         */
8083        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
8084
8085        /**
8086         * Milliseconds after screen-off after which low battery sounds will be silenced.
8087         *
8088         * If zero, battery sounds will always play.
8089         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
8090         *
8091         * @hide
8092         */
8093        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
8094
8095        /**
8096         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
8097         * the caller is done with this, they should call {@link ContentResolver#delete} to
8098         * clean up any value that they may have written.
8099         *
8100         * @hide
8101         */
8102        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
8103
8104        /**
8105         * Defines global runtime overrides to window policy.
8106         *
8107         * See {@link com.android.server.policy.PolicyControl} for value format.
8108         *
8109         * @hide
8110         */
8111        public static final String POLICY_CONTROL = "policy_control";
8112
8113        /**
8114         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
8115         * or ZEN_MODE_NO_INTERRUPTIONS.
8116         *
8117         * @hide
8118         */
8119        public static final String ZEN_MODE = "zen_mode";
8120
8121        /** @hide */ public static final int ZEN_MODE_OFF = 0;
8122        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
8123        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
8124        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
8125
8126        /** @hide */ public static String zenModeToString(int mode) {
8127            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
8128            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
8129            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
8130            return "ZEN_MODE_OFF";
8131        }
8132
8133        /** @hide */ public static boolean isValidZenMode(int value) {
8134            switch (value) {
8135                case Global.ZEN_MODE_OFF:
8136                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
8137                case Global.ZEN_MODE_ALARMS:
8138                case Global.ZEN_MODE_NO_INTERRUPTIONS:
8139                    return true;
8140                default:
8141                    return false;
8142            }
8143        }
8144
8145        /**
8146         * Value of the ringer before entering zen mode.
8147         *
8148         * @hide
8149         */
8150        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
8151
8152        /**
8153         * Opaque value, changes when persisted zen mode configuration changes.
8154         *
8155         * @hide
8156         */
8157        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
8158
8159        /**
8160         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
8161         *
8162         * @hide
8163         */
8164        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
8165                "heads_up_notifications_enabled";
8166
8167        /** @hide */ public static final int HEADS_UP_OFF = 0;
8168        /** @hide */ public static final int HEADS_UP_ON = 1;
8169
8170        /**
8171         * The name of the device
8172         *
8173         * @hide
8174         */
8175        public static final String DEVICE_NAME = "device_name";
8176
8177        /**
8178         * Whether the NetworkScoringService has been first initialized.
8179         * <p>
8180         * Type: int (0 for false, 1 for true)
8181         * @hide
8182         */
8183        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
8184
8185        /**
8186         * Whether the user wants to be prompted for password to decrypt the device on boot.
8187         * This only matters if the storage is encrypted.
8188         * <p>
8189         * Type: int (0 for false, 1 for true)
8190         * @hide
8191         */
8192        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
8193
8194        /**
8195         * Whether the Volte is enabled
8196         * <p>
8197         * Type: int (0 for false, 1 for true)
8198         * @hide
8199         */
8200        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
8201
8202        /**
8203         * Whether VT (Video Telephony over IMS) is enabled
8204         * <p>
8205         * Type: int (0 for false, 1 for true)
8206         *
8207         * @hide
8208         */
8209        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
8210
8211        /**
8212         * Whether WFC is enabled
8213         * <p>
8214         * Type: int (0 for false, 1 for true)
8215         *
8216         * @hide
8217         */
8218        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
8219
8220        /**
8221         * WFC Mode.
8222         * <p>
8223         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
8224         *
8225         * @hide
8226         */
8227        public static final String WFC_IMS_MODE = "wfc_ims_mode";
8228
8229        /**
8230         * Whether WFC roaming is enabled
8231         * <p>
8232         * Type: int (0 for false, 1 for true)
8233         *
8234         * @hide
8235         */
8236        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
8237
8238        /**
8239         * Whether user can enable/disable LTE as a preferred network. A carrier might control
8240         * this via gservices, OMA-DM, carrier app, etc.
8241         * <p>
8242         * Type: int (0 for false, 1 for true)
8243         * @hide
8244         */
8245        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
8246
8247        /**
8248         * Ephemeral app cookie max size in bytes.
8249         * <p>
8250         * Type: int
8251         * @hide
8252         */
8253        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
8254                "ephemeral_cookie_max_size_bytes";
8255
8256        /**
8257         * The duration for caching uninstalled ephemeral apps.
8258         * <p>
8259         * Type: long
8260         * @hide
8261         */
8262        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8263                "uninstalled_ephemeral_app_cache_duration_millis";
8264
8265        /**
8266         * Allows switching users when system user is locked.
8267         * <p>
8268         * Type: int
8269         * @hide
8270         */
8271        public static final String ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED =
8272                "allow_user_switching_when_system_user_locked";
8273
8274        /**
8275         * Boot count since the device starts running APK level 24.
8276         * <p>
8277         * Type: int
8278         */
8279        public static final String BOOT_COUNT = "boot_count";
8280
8281        /**
8282         * Settings to backup. This is here so that it's in the same place as the settings
8283         * keys and easy to update.
8284         *
8285         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8286         * and Secure as well.  This is because those tables drive both backup and
8287         * restore, and restore needs to properly whitelist keys that used to live
8288         * in those namespaces.  The keys will only actually be backed up / restored
8289         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8290         *
8291         * NOTE: Settings are backed up and restored in the order they appear
8292         *       in this array. If you have one setting depending on another,
8293         *       make sure that they are ordered appropriately.
8294         *
8295         * @hide
8296         */
8297        public static final String[] SETTINGS_TO_BACKUP = {
8298            BUGREPORT_IN_POWER_MENU,
8299            STAY_ON_WHILE_PLUGGED_IN,
8300            AUTO_TIME,
8301            AUTO_TIME_ZONE,
8302            POWER_SOUNDS_ENABLED,
8303            DOCK_SOUNDS_ENABLED,
8304            CHARGING_SOUNDS_ENABLED,
8305            USB_MASS_STORAGE_ENABLED,
8306            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8307            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8308            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8309            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8310            WIFI_NUM_OPEN_NETWORKS_KEPT,
8311            EMERGENCY_TONE,
8312            CALL_AUTO_RETRY,
8313            DOCK_AUDIO_MEDIA_ENABLED,
8314            ENCODED_SURROUND_OUTPUT,
8315            LOW_POWER_MODE_TRIGGER_LEVEL
8316        };
8317
8318        // Populated lazily, guarded by class object:
8319        private static NameValueCache sNameValueCache = new NameValueCache(
8320                    SYS_PROP_SETTING_VERSION,
8321                    CONTENT_URI,
8322                    CALL_METHOD_GET_GLOBAL,
8323                    CALL_METHOD_PUT_GLOBAL);
8324
8325        // Certain settings have been moved from global to the per-user secure namespace
8326        private static final HashSet<String> MOVED_TO_SECURE;
8327        static {
8328            MOVED_TO_SECURE = new HashSet<String>(1);
8329            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8330        }
8331
8332        /** @hide */
8333        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8334            outKeySet.addAll(MOVED_TO_SECURE);
8335        }
8336
8337        /**
8338         * Look up a name in the database.
8339         * @param resolver to access the database with
8340         * @param name to look up in the table
8341         * @return the corresponding value, or null if not present
8342         */
8343        public static String getString(ContentResolver resolver, String name) {
8344            return getStringForUser(resolver, name, UserHandle.myUserId());
8345        }
8346
8347        /** @hide */
8348        public static String getStringForUser(ContentResolver resolver, String name,
8349                int userHandle) {
8350            if (MOVED_TO_SECURE.contains(name)) {
8351                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8352                        + " to android.provider.Settings.Secure, returning read-only value.");
8353                return Secure.getStringForUser(resolver, name, userHandle);
8354            }
8355            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8356        }
8357
8358        /**
8359         * Store a name/value pair into the database.
8360         * @param resolver to access the database with
8361         * @param name to store
8362         * @param value to associate with the name
8363         * @return true if the value was set, false on database errors
8364         */
8365        public static boolean putString(ContentResolver resolver,
8366                String name, String value) {
8367            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8368        }
8369
8370        /** @hide */
8371        public static boolean putStringForUser(ContentResolver resolver,
8372                String name, String value, int userHandle) {
8373            if (LOCAL_LOGV) {
8374                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8375                        + " for " + userHandle);
8376            }
8377            // Global and Secure have the same access policy so we can forward writes
8378            if (MOVED_TO_SECURE.contains(name)) {
8379                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8380                        + " to android.provider.Settings.Secure, value is unchanged.");
8381                return Secure.putStringForUser(resolver, name, value, userHandle);
8382            }
8383            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8384        }
8385
8386        /**
8387         * Construct the content URI for a particular name/value pair,
8388         * useful for monitoring changes with a ContentObserver.
8389         * @param name to look up in the table
8390         * @return the corresponding content URI, or null if not present
8391         */
8392        public static Uri getUriFor(String name) {
8393            return getUriFor(CONTENT_URI, name);
8394        }
8395
8396        /**
8397         * Convenience function for retrieving a single secure settings value
8398         * as an integer.  Note that internally setting values are always
8399         * stored as strings; this function converts the string to an integer
8400         * for you.  The default value will be returned if the setting is
8401         * not defined or not an integer.
8402         *
8403         * @param cr The ContentResolver to access.
8404         * @param name The name of the setting to retrieve.
8405         * @param def Value to return if the setting is not defined.
8406         *
8407         * @return The setting's current value, or 'def' if it is not defined
8408         * or not a valid integer.
8409         */
8410        public static int getInt(ContentResolver cr, String name, int def) {
8411            String v = getString(cr, name);
8412            try {
8413                return v != null ? Integer.parseInt(v) : def;
8414            } catch (NumberFormatException e) {
8415                return def;
8416            }
8417        }
8418
8419        /**
8420         * Convenience function for retrieving a single secure settings value
8421         * as an integer.  Note that internally setting values are always
8422         * stored as strings; this function converts the string to an integer
8423         * for you.
8424         * <p>
8425         * This version does not take a default value.  If the setting has not
8426         * been set, or the string value is not a number,
8427         * it throws {@link SettingNotFoundException}.
8428         *
8429         * @param cr The ContentResolver to access.
8430         * @param name The name of the setting to retrieve.
8431         *
8432         * @throws SettingNotFoundException Thrown if a setting by the given
8433         * name can't be found or the setting value is not an integer.
8434         *
8435         * @return The setting's current value.
8436         */
8437        public static int getInt(ContentResolver cr, String name)
8438                throws SettingNotFoundException {
8439            String v = getString(cr, name);
8440            try {
8441                return Integer.parseInt(v);
8442            } catch (NumberFormatException e) {
8443                throw new SettingNotFoundException(name);
8444            }
8445        }
8446
8447        /**
8448         * Convenience function for updating a single settings value as an
8449         * integer. This will either create a new entry in the table if the
8450         * given name does not exist, or modify the value of the existing row
8451         * with that name.  Note that internally setting values are always
8452         * stored as strings, so this function converts the given value to a
8453         * string before storing it.
8454         *
8455         * @param cr The ContentResolver to access.
8456         * @param name The name of the setting to modify.
8457         * @param value The new value for the setting.
8458         * @return true if the value was set, false on database errors
8459         */
8460        public static boolean putInt(ContentResolver cr, String name, int value) {
8461            return putString(cr, name, Integer.toString(value));
8462        }
8463
8464        /**
8465         * Convenience function for retrieving a single secure settings value
8466         * as a {@code long}.  Note that internally setting values are always
8467         * stored as strings; this function converts the string to a {@code long}
8468         * for you.  The default value will be returned if the setting is
8469         * not defined or not a {@code long}.
8470         *
8471         * @param cr The ContentResolver to access.
8472         * @param name The name of the setting to retrieve.
8473         * @param def Value to return if the setting is not defined.
8474         *
8475         * @return The setting's current value, or 'def' if it is not defined
8476         * or not a valid {@code long}.
8477         */
8478        public static long getLong(ContentResolver cr, String name, long def) {
8479            String valString = getString(cr, name);
8480            long value;
8481            try {
8482                value = valString != null ? Long.parseLong(valString) : def;
8483            } catch (NumberFormatException e) {
8484                value = def;
8485            }
8486            return value;
8487        }
8488
8489        /**
8490         * Convenience function for retrieving a single secure settings value
8491         * as a {@code long}.  Note that internally setting values are always
8492         * stored as strings; this function converts the string to a {@code long}
8493         * for you.
8494         * <p>
8495         * This version does not take a default value.  If the setting has not
8496         * been set, or the string value is not a number,
8497         * it throws {@link SettingNotFoundException}.
8498         *
8499         * @param cr The ContentResolver to access.
8500         * @param name The name of the setting to retrieve.
8501         *
8502         * @return The setting's current value.
8503         * @throws SettingNotFoundException Thrown if a setting by the given
8504         * name can't be found or the setting value is not an integer.
8505         */
8506        public static long getLong(ContentResolver cr, String name)
8507                throws SettingNotFoundException {
8508            String valString = getString(cr, name);
8509            try {
8510                return Long.parseLong(valString);
8511            } catch (NumberFormatException e) {
8512                throw new SettingNotFoundException(name);
8513            }
8514        }
8515
8516        /**
8517         * Convenience function for updating a secure settings value as a long
8518         * integer. This will either create a new entry in the table if the
8519         * given name does not exist, or modify the value of the existing row
8520         * with that name.  Note that internally setting values are always
8521         * stored as strings, so this function converts the given value to a
8522         * string before storing it.
8523         *
8524         * @param cr The ContentResolver to access.
8525         * @param name The name of the setting to modify.
8526         * @param value The new value for the setting.
8527         * @return true if the value was set, false on database errors
8528         */
8529        public static boolean putLong(ContentResolver cr, String name, long value) {
8530            return putString(cr, name, Long.toString(value));
8531        }
8532
8533        /**
8534         * Convenience function for retrieving a single secure settings value
8535         * as a floating point number.  Note that internally setting values are
8536         * always stored as strings; this function converts the string to an
8537         * float for you. The default value will be returned if the setting
8538         * is not defined or not a valid float.
8539         *
8540         * @param cr The ContentResolver to access.
8541         * @param name The name of the setting to retrieve.
8542         * @param def Value to return if the setting is not defined.
8543         *
8544         * @return The setting's current value, or 'def' if it is not defined
8545         * or not a valid float.
8546         */
8547        public static float getFloat(ContentResolver cr, String name, float def) {
8548            String v = getString(cr, name);
8549            try {
8550                return v != null ? Float.parseFloat(v) : def;
8551            } catch (NumberFormatException e) {
8552                return def;
8553            }
8554        }
8555
8556        /**
8557         * Convenience function for retrieving a single secure settings value
8558         * as a float.  Note that internally setting values are always
8559         * stored as strings; this function converts the string to a float
8560         * for you.
8561         * <p>
8562         * This version does not take a default value.  If the setting has not
8563         * been set, or the string value is not a number,
8564         * it throws {@link SettingNotFoundException}.
8565         *
8566         * @param cr The ContentResolver to access.
8567         * @param name The name of the setting to retrieve.
8568         *
8569         * @throws SettingNotFoundException Thrown if a setting by the given
8570         * name can't be found or the setting value is not a float.
8571         *
8572         * @return The setting's current value.
8573         */
8574        public static float getFloat(ContentResolver cr, String name)
8575                throws SettingNotFoundException {
8576            String v = getString(cr, name);
8577            if (v == null) {
8578                throw new SettingNotFoundException(name);
8579            }
8580            try {
8581                return Float.parseFloat(v);
8582            } catch (NumberFormatException e) {
8583                throw new SettingNotFoundException(name);
8584            }
8585        }
8586
8587        /**
8588         * Convenience function for updating a single settings value as a
8589         * floating point number. This will either create a new entry in the
8590         * table if the given name does not exist, or modify the value of the
8591         * existing row with that name.  Note that internally setting values
8592         * are always stored as strings, so this function converts the given
8593         * value to a string before storing it.
8594         *
8595         * @param cr The ContentResolver to access.
8596         * @param name The name of the setting to modify.
8597         * @param value The new value for the setting.
8598         * @return true if the value was set, false on database errors
8599         */
8600        public static boolean putFloat(ContentResolver cr, String name, float value) {
8601            return putString(cr, name, Float.toString(value));
8602        }
8603
8604
8605        /**
8606          * Subscription to be used for voice call on a multi sim device. The supported values
8607          * are 0 = SUB1, 1 = SUB2 and etc.
8608          * @hide
8609          */
8610        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8611
8612        /**
8613          * Used to provide option to user to select subscription during dial.
8614          * The supported values are 0 = disable or 1 = enable prompt.
8615          * @hide
8616          */
8617        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8618
8619        /**
8620          * Subscription to be used for data call on a multi sim device. The supported values
8621          * are 0 = SUB1, 1 = SUB2 and etc.
8622          * @hide
8623          */
8624        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8625
8626        /**
8627          * Subscription to be used for SMS on a multi sim device. The supported values
8628          * are 0 = SUB1, 1 = SUB2 and etc.
8629          * @hide
8630          */
8631        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8632
8633       /**
8634          * Used to provide option to user to select subscription during send SMS.
8635          * The value 1 - enable, 0 - disable
8636          * @hide
8637          */
8638        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8639
8640
8641
8642        /** User preferred subscriptions setting.
8643          * This holds the details of the user selected subscription from the card and
8644          * the activation status. Each settings string have the coma separated values
8645          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8646          * @hide
8647         */
8648        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8649                "user_preferred_sub2","user_preferred_sub3"};
8650
8651        /**
8652         * Whether to enable new contacts aggregator or not.
8653         * The value 1 - enable, 0 - disable
8654         * @hide
8655         */
8656        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8657
8658        /**
8659         * Whether to enable contacts metadata syncing or not
8660         * The value 1 - enable, 0 - disable
8661         */
8662        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8663
8664        /**
8665         * Whether to enable cellular on boot.
8666         * The value 1 - enable, 0 - disable
8667         * @hide
8668         */
8669        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8670    }
8671
8672    /**
8673     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8674     * Intent URL, allowing it to be either a web page or a particular
8675     * application activity.
8676     *
8677     * @hide
8678     */
8679    public static final class Bookmarks implements BaseColumns
8680    {
8681        private static final String TAG = "Bookmarks";
8682
8683        /**
8684         * The content:// style URL for this table
8685         */
8686        public static final Uri CONTENT_URI =
8687            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8688
8689        /**
8690         * The row ID.
8691         * <p>Type: INTEGER</p>
8692         */
8693        public static final String ID = "_id";
8694
8695        /**
8696         * Descriptive name of the bookmark that can be displayed to the user.
8697         * If this is empty, the title should be resolved at display time (use
8698         * {@link #getTitle(Context, Cursor)} any time you want to display the
8699         * title of a bookmark.)
8700         * <P>
8701         * Type: TEXT
8702         * </P>
8703         */
8704        public static final String TITLE = "title";
8705
8706        /**
8707         * Arbitrary string (displayed to the user) that allows bookmarks to be
8708         * organized into categories.  There are some special names for
8709         * standard folders, which all start with '@'.  The label displayed for
8710         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8711         * the folder name does not change so you can consistently query for
8712         * the folder regardless of the current locale.
8713         *
8714         * <P>Type: TEXT</P>
8715         *
8716         */
8717        public static final String FOLDER = "folder";
8718
8719        /**
8720         * The Intent URL of the bookmark, describing what it points to.  This
8721         * value is given to {@link android.content.Intent#getIntent} to create
8722         * an Intent that can be launched.
8723         * <P>Type: TEXT</P>
8724         */
8725        public static final String INTENT = "intent";
8726
8727        /**
8728         * Optional shortcut character associated with this bookmark.
8729         * <P>Type: INTEGER</P>
8730         */
8731        public static final String SHORTCUT = "shortcut";
8732
8733        /**
8734         * The order in which the bookmark should be displayed
8735         * <P>Type: INTEGER</P>
8736         */
8737        public static final String ORDERING = "ordering";
8738
8739        private static final String[] sIntentProjection = { INTENT };
8740        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8741        private static final String sShortcutSelection = SHORTCUT + "=?";
8742
8743        /**
8744         * Convenience function to retrieve the bookmarked Intent for a
8745         * particular shortcut key.
8746         *
8747         * @param cr The ContentResolver to query.
8748         * @param shortcut The shortcut key.
8749         *
8750         * @return Intent The bookmarked URL, or null if there is no bookmark
8751         *         matching the given shortcut.
8752         */
8753        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8754        {
8755            Intent intent = null;
8756
8757            Cursor c = cr.query(CONTENT_URI,
8758                    sIntentProjection, sShortcutSelection,
8759                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8760            // Keep trying until we find a valid shortcut
8761            try {
8762                while (intent == null && c.moveToNext()) {
8763                    try {
8764                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8765                        intent = Intent.parseUri(intentURI, 0);
8766                    } catch (java.net.URISyntaxException e) {
8767                        // The stored URL is bad...  ignore it.
8768                    } catch (IllegalArgumentException e) {
8769                        // Column not found
8770                        Log.w(TAG, "Intent column not found", e);
8771                    }
8772                }
8773            } finally {
8774                if (c != null) c.close();
8775            }
8776
8777            return intent;
8778        }
8779
8780        /**
8781         * Add a new bookmark to the system.
8782         *
8783         * @param cr The ContentResolver to query.
8784         * @param intent The desired target of the bookmark.
8785         * @param title Bookmark title that is shown to the user; null if none
8786         *            or it should be resolved to the intent's title.
8787         * @param folder Folder in which to place the bookmark; null if none.
8788         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8789         *            this is non-zero and there is an existing bookmark entry
8790         *            with this same shortcut, then that existing shortcut is
8791         *            cleared (the bookmark is not removed).
8792         * @return The unique content URL for the new bookmark entry.
8793         */
8794        public static Uri add(ContentResolver cr,
8795                                           Intent intent,
8796                                           String title,
8797                                           String folder,
8798                                           char shortcut,
8799                                           int ordering)
8800        {
8801            // If a shortcut is supplied, and it is already defined for
8802            // another bookmark, then remove the old definition.
8803            if (shortcut != 0) {
8804                cr.delete(CONTENT_URI, sShortcutSelection,
8805                        new String[] { String.valueOf((int) shortcut) });
8806            }
8807
8808            ContentValues values = new ContentValues();
8809            if (title != null) values.put(TITLE, title);
8810            if (folder != null) values.put(FOLDER, folder);
8811            values.put(INTENT, intent.toUri(0));
8812            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8813            values.put(ORDERING, ordering);
8814            return cr.insert(CONTENT_URI, values);
8815        }
8816
8817        /**
8818         * Return the folder name as it should be displayed to the user.  This
8819         * takes care of localizing special folders.
8820         *
8821         * @param r Resources object for current locale; only need access to
8822         *          system resources.
8823         * @param folder The value found in the {@link #FOLDER} column.
8824         *
8825         * @return CharSequence The label for this folder that should be shown
8826         *         to the user.
8827         */
8828        public static CharSequence getLabelForFolder(Resources r, String folder) {
8829            return folder;
8830        }
8831
8832        /**
8833         * Return the title as it should be displayed to the user. This takes
8834         * care of localizing bookmarks that point to activities.
8835         *
8836         * @param context A context.
8837         * @param cursor A cursor pointing to the row whose title should be
8838         *        returned. The cursor must contain at least the {@link #TITLE}
8839         *        and {@link #INTENT} columns.
8840         * @return A title that is localized and can be displayed to the user,
8841         *         or the empty string if one could not be found.
8842         */
8843        public static CharSequence getTitle(Context context, Cursor cursor) {
8844            int titleColumn = cursor.getColumnIndex(TITLE);
8845            int intentColumn = cursor.getColumnIndex(INTENT);
8846            if (titleColumn == -1 || intentColumn == -1) {
8847                throw new IllegalArgumentException(
8848                        "The cursor must contain the TITLE and INTENT columns.");
8849            }
8850
8851            String title = cursor.getString(titleColumn);
8852            if (!TextUtils.isEmpty(title)) {
8853                return title;
8854            }
8855
8856            String intentUri = cursor.getString(intentColumn);
8857            if (TextUtils.isEmpty(intentUri)) {
8858                return "";
8859            }
8860
8861            Intent intent;
8862            try {
8863                intent = Intent.parseUri(intentUri, 0);
8864            } catch (URISyntaxException e) {
8865                return "";
8866            }
8867
8868            PackageManager packageManager = context.getPackageManager();
8869            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8870            return info != null ? info.loadLabel(packageManager) : "";
8871        }
8872    }
8873
8874    /**
8875     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8876     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8877     * from the GoogleLoginService.
8878     *
8879     * @param androidId The Android ID for this device.
8880     * @return The device ID that should be used when connecting to the mobile gtalk server.
8881     * @hide
8882     */
8883    public static String getGTalkDeviceId(long androidId) {
8884        return "android-" + Long.toHexString(androidId);
8885    }
8886
8887    private static final String[] PM_WRITE_SETTINGS = {
8888        android.Manifest.permission.WRITE_SETTINGS
8889    };
8890    private static final String[] PM_CHANGE_NETWORK_STATE = {
8891        android.Manifest.permission.CHANGE_NETWORK_STATE,
8892        android.Manifest.permission.WRITE_SETTINGS
8893    };
8894    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8895        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8896    };
8897
8898    /**
8899     * Performs a strict and comprehensive check of whether a calling package is allowed to
8900     * write/modify system settings, as the condition differs for pre-M, M+, and
8901     * privileged/preinstalled apps. If the provided uid does not match the
8902     * callingPackage, a negative result will be returned.
8903     * @hide
8904     */
8905    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8906            String callingPackage, boolean throwException) {
8907        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8908                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8909                PM_WRITE_SETTINGS, false);
8910    }
8911
8912    /**
8913     * Performs a strict and comprehensive check of whether a calling package is allowed to
8914     * write/modify system settings, as the condition differs for pre-M, M+, and
8915     * privileged/preinstalled apps. If the provided uid does not match the
8916     * callingPackage, a negative result will be returned. The caller is expected to have
8917     * the WRITE_SETTINGS permission declared.
8918     *
8919     * Note: if the check is successful, the operation of this app will be updated to the
8920     * current time.
8921     * @hide
8922     */
8923    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8924            String callingPackage, boolean throwException) {
8925        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8926                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8927                PM_WRITE_SETTINGS, true);
8928    }
8929
8930    /**
8931     * Performs a strict and comprehensive check of whether a calling package is allowed to
8932     * change the state of network, as the condition differs for pre-M, M+, and
8933     * privileged/preinstalled apps. The caller is expected to have either the
8934     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8935     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8936     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8937     * permission and cannot be revoked. See http://b/23597341
8938     *
8939     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8940     * of this app will be updated to the current time.
8941     * @hide
8942     */
8943    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8944            String callingPackage, boolean throwException) {
8945        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8946                == PackageManager.PERMISSION_GRANTED) {
8947            return true;
8948        }
8949        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8950                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8951                PM_CHANGE_NETWORK_STATE, true);
8952    }
8953
8954    /**
8955     * Performs a strict and comprehensive check of whether a calling package is allowed to
8956     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8957     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8958     * a negative result will be returned.
8959     * @hide
8960     */
8961    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8962            String callingPackage, boolean throwException) {
8963        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8964                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8965                PM_SYSTEM_ALERT_WINDOW, false);
8966    }
8967
8968    /**
8969     * Performs a strict and comprehensive check of whether a calling package is allowed to
8970     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8971     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8972     * a negative result will be returned.
8973     *
8974     * Note: if the check is successful, the operation of this app will be updated to the
8975     * current time.
8976     * @hide
8977     */
8978    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8979            callingPackage, boolean throwException) {
8980        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8981                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8982                PM_SYSTEM_ALERT_WINDOW, true);
8983    }
8984
8985    /**
8986     * Helper method to perform a general and comprehensive check of whether an operation that is
8987     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8988     * OP_WRITE_SETTINGS
8989     * @hide
8990     */
8991    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8992            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8993            permissions, boolean makeNote) {
8994        if (callingPackage == null) {
8995            return false;
8996        }
8997
8998        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8999        int mode = AppOpsManager.MODE_DEFAULT;
9000        if (makeNote) {
9001            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
9002        } else {
9003            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
9004        }
9005
9006        switch (mode) {
9007            case AppOpsManager.MODE_ALLOWED:
9008                return true;
9009
9010            case AppOpsManager.MODE_DEFAULT:
9011                // this is the default operating mode after an app's installation
9012                // In this case we will check all associated static permission to see
9013                // if it is granted during install time.
9014                for (String permission : permissions) {
9015                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
9016                            .PERMISSION_GRANTED) {
9017                        // if either of the permissions are granted, we will allow it
9018                        return true;
9019                    }
9020                }
9021
9022            default:
9023                // this is for all other cases trickled down here...
9024                if (!throwException) {
9025                    return false;
9026                }
9027        }
9028
9029        // prepare string to throw SecurityException
9030        StringBuilder exceptionMessage = new StringBuilder();
9031        exceptionMessage.append(callingPackage);
9032        exceptionMessage.append(" was not granted ");
9033        if (permissions.length > 1) {
9034            exceptionMessage.append(" either of these permissions: ");
9035        } else {
9036            exceptionMessage.append(" this permission: ");
9037        }
9038        for (int i = 0; i < permissions.length; i++) {
9039            exceptionMessage.append(permissions[i]);
9040            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
9041        }
9042
9043        throw new SecurityException(exceptionMessage.toString());
9044    }
9045
9046    /**
9047     * Retrieves a correponding package name for a given uid. It will query all
9048     * packages that are associated with the given uid, but it will return only
9049     * the zeroth result.
9050     * Note: If package could not be found, a null is returned.
9051     * @hide
9052     */
9053    public static String getPackageNameForUid(Context context, int uid) {
9054        String[] packages = context.getPackageManager().getPackagesForUid(uid);
9055        if (packages == null) {
9056            return null;
9057        }
9058        return packages[0];
9059    }
9060}
9061