Settings.java revision 00958ac3807e0c791610b7fcd3e2604b59dcfe4c
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) {
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 volume mute (int 1 = mute, 0 = not muted).
2712         *
2713         * @hide
2714         */
2715        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2716
2717        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2718
2719        /**
2720         * Microphone mute (int 1 = mute, 0 = not muted).
2721         *
2722         * @hide
2723         */
2724        public static final String MICROPHONE_MUTE = "microphone_mute";
2725
2726        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2727
2728        /**
2729         * Master mono (int 1 = mono, 0 = normal).
2730         *
2731         * @hide
2732         */
2733        public static final String MASTER_MONO = "master_mono";
2734
2735        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2736
2737        /**
2738         * Whether the notifications should use the ring volume (value of 1) or
2739         * a separate notification volume (value of 0). In most cases, users
2740         * will have this enabled so the notification and ringer volumes will be
2741         * the same. However, power users can disable this and use the separate
2742         * notification volume control.
2743         * <p>
2744         * Note: This is a one-off setting that will be removed in the future
2745         * when there is profile support. For this reason, it is kept hidden
2746         * from the public APIs.
2747         *
2748         * @hide
2749         * @deprecated
2750         */
2751        @Deprecated
2752        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2753            "notifications_use_ring_volume";
2754
2755        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2756
2757        /**
2758         * Whether silent mode should allow vibration feedback. This is used
2759         * internally in AudioService and the Sound settings activity to
2760         * coordinate decoupling of vibrate and silent modes. This setting
2761         * will likely be removed in a future release with support for
2762         * audio/vibe feedback profiles.
2763         *
2764         * Not used anymore. On devices with vibrator, the user explicitly selects
2765         * silent or vibrate mode.
2766         * Kept for use by legacy database upgrade code in DatabaseHelper.
2767         * @hide
2768         */
2769        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2770
2771        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2772
2773        /**
2774         * The mapping of stream type (integer) to its setting.
2775         *
2776         * @removed  Not used by anything since API 2.
2777         */
2778        public static final String[] VOLUME_SETTINGS = {
2779            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2780            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2781        };
2782
2783        /**
2784         * Appended to various volume related settings to record the previous
2785         * values before they the settings were affected by a silent/vibrate
2786         * ringer mode change.
2787         *
2788         * @removed  Not used by anything since API 2.
2789         */
2790        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2791
2792        /**
2793         * Persistent store for the system-wide default ringtone URI.
2794         * <p>
2795         * If you need to play the default ringtone at any given time, it is recommended
2796         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2797         * to the set default ringtone at the time of playing.
2798         *
2799         * @see #DEFAULT_RINGTONE_URI
2800         */
2801        public static final String RINGTONE = "ringtone";
2802
2803        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2804
2805        /**
2806         * A {@link Uri} that will point to the current default ringtone at any
2807         * given time.
2808         * <p>
2809         * If the current default ringtone is in the DRM provider and the caller
2810         * does not have permission, the exception will be a
2811         * FileNotFoundException.
2812         */
2813        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2814
2815        /** {@hide} */
2816        public static final String RINGTONE_CACHE = "ringtone_cache";
2817        /** {@hide} */
2818        public static final Uri RINGTONE_CACHE_URI = getUriFor(RINGTONE_CACHE);
2819
2820        /**
2821         * Persistent store for the system-wide default notification sound.
2822         *
2823         * @see #RINGTONE
2824         * @see #DEFAULT_NOTIFICATION_URI
2825         */
2826        public static final String NOTIFICATION_SOUND = "notification_sound";
2827
2828        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2829
2830        /**
2831         * A {@link Uri} that will point to the current default notification
2832         * sound at any given time.
2833         *
2834         * @see #DEFAULT_RINGTONE_URI
2835         */
2836        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2837
2838        /** {@hide} */
2839        public static final String NOTIFICATION_SOUND_CACHE = "notification_sound_cache";
2840        /** {@hide} */
2841        public static final Uri NOTIFICATION_SOUND_CACHE_URI = getUriFor(NOTIFICATION_SOUND_CACHE);
2842
2843        /**
2844         * Persistent store for the system-wide default alarm alert.
2845         *
2846         * @see #RINGTONE
2847         * @see #DEFAULT_ALARM_ALERT_URI
2848         */
2849        public static final String ALARM_ALERT = "alarm_alert";
2850
2851        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2852
2853        /**
2854         * A {@link Uri} that will point to the current default alarm alert at
2855         * any given time.
2856         *
2857         * @see #DEFAULT_ALARM_ALERT_URI
2858         */
2859        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2860
2861        /** {@hide} */
2862        public static final String ALARM_ALERT_CACHE = "alarm_alert_cache";
2863        /** {@hide} */
2864        public static final Uri ALARM_ALERT_CACHE_URI = getUriFor(ALARM_ALERT_CACHE);
2865
2866        /**
2867         * Persistent store for the system default media button event receiver.
2868         *
2869         * @hide
2870         */
2871        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2872
2873        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2874            @Override
2875            public boolean validate(String value) {
2876                try {
2877                    ComponentName.unflattenFromString(value);
2878                    return true;
2879                } catch (NullPointerException e) {
2880                    return false;
2881                }
2882            }
2883        };
2884
2885        /**
2886         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2887         */
2888        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2889
2890        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2891
2892        /**
2893         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2894         */
2895        public static final String TEXT_AUTO_CAPS = "auto_caps";
2896
2897        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2898
2899        /**
2900         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2901         * feature converts two spaces to a "." and space.
2902         */
2903        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2904
2905        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2906
2907        /**
2908         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2909         */
2910        public static final String TEXT_SHOW_PASSWORD = "show_password";
2911
2912        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2913
2914        public static final String SHOW_GTALK_SERVICE_STATUS =
2915                "SHOW_GTALK_SERVICE_STATUS";
2916
2917        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2918
2919        /**
2920         * Name of activity to use for wallpaper on the home screen.
2921         *
2922         * @deprecated Use {@link WallpaperManager} instead.
2923         */
2924        @Deprecated
2925        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2926
2927        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2928            private static final int MAX_LENGTH = 1000;
2929
2930            @Override
2931            public boolean validate(String value) {
2932                if (value != null && value.length() > MAX_LENGTH) {
2933                    return false;
2934                }
2935                return ComponentName.unflattenFromString(value) != null;
2936            }
2937        };
2938
2939        /**
2940         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2941         * instead
2942         */
2943        @Deprecated
2944        public static final String AUTO_TIME = Global.AUTO_TIME;
2945
2946        /**
2947         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2948         * instead
2949         */
2950        @Deprecated
2951        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2952
2953        /**
2954         * Display times as 12 or 24 hours
2955         *   12
2956         *   24
2957         */
2958        public static final String TIME_12_24 = "time_12_24";
2959
2960        /** @hide */
2961        public static final Validator TIME_12_24_VALIDATOR =
2962                new DiscreteValueValidator(new String[] {"12", "24"});
2963
2964        /**
2965         * Date format string
2966         *   mm/dd/yyyy
2967         *   dd/mm/yyyy
2968         *   yyyy/mm/dd
2969         */
2970        public static final String DATE_FORMAT = "date_format";
2971
2972        /** @hide */
2973        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2974            @Override
2975            public boolean validate(String value) {
2976                try {
2977                    new SimpleDateFormat(value);
2978                    return true;
2979                } catch (IllegalArgumentException e) {
2980                    return false;
2981                }
2982            }
2983        };
2984
2985        /**
2986         * Whether the setup wizard has been run before (on first boot), or if
2987         * it still needs to be run.
2988         *
2989         * nonzero = it has been run in the past
2990         * 0 = it has not been run in the past
2991         */
2992        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2993
2994        /** @hide */
2995        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2996
2997        /**
2998         * Scaling factor for normal window animations. Setting to 0 will disable window
2999         * animations.
3000         *
3001         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
3002         */
3003        @Deprecated
3004        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
3005
3006        /**
3007         * Scaling factor for activity transition animations. Setting to 0 will disable window
3008         * animations.
3009         *
3010         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
3011         */
3012        @Deprecated
3013        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
3014
3015        /**
3016         * Scaling factor for Animator-based animations. This affects both the start delay and
3017         * duration of all such animations. Setting to 0 will cause animations to end immediately.
3018         * The default value is 1.
3019         *
3020         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
3021         */
3022        @Deprecated
3023        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
3024
3025        /**
3026         * Control whether the accelerometer will be used to change screen
3027         * orientation.  If 0, it will not be used unless explicitly requested
3028         * by the application; if 1, it will be used by default unless explicitly
3029         * disabled by the application.
3030         */
3031        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
3032
3033        /** @hide */
3034        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
3035
3036        /**
3037         * Default screen rotation when no other policy applies.
3038         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
3039         * preference, this rotation value will be used. Must be one of the
3040         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
3041         *
3042         * @see android.view.Display#getRotation
3043         */
3044        public static final String USER_ROTATION = "user_rotation";
3045
3046        /** @hide */
3047        public static final Validator USER_ROTATION_VALIDATOR =
3048                new InclusiveIntegerRangeValidator(0, 3);
3049
3050        /**
3051         * Control whether the rotation lock toggle in the System UI should be hidden.
3052         * Typically this is done for accessibility purposes to make it harder for
3053         * the user to accidentally toggle the rotation lock while the display rotation
3054         * has been locked for accessibility.
3055         *
3056         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
3057         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
3058         *
3059         * @hide
3060         */
3061        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
3062                "hide_rotation_lock_toggle_for_accessibility";
3063
3064        /** @hide */
3065        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
3066                sBooleanValidator;
3067
3068        /**
3069         * Whether the phone vibrates when it is ringing due to an incoming call. This will
3070         * be used by Phone and Setting apps; it shouldn't affect other apps.
3071         * The value is boolean (1 or 0).
3072         *
3073         * Note: this is not same as "vibrate on ring", which had been available until ICS.
3074         * It was about AudioManager's setting and thus affected all the applications which
3075         * relied on the setting, while this is purely about the vibration setting for incoming
3076         * calls.
3077         */
3078        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
3079
3080        /** @hide */
3081        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
3082
3083        /**
3084         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
3085         * boolean (1 or 0).
3086         */
3087        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
3088
3089        /** @hide */
3090        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3091
3092        /**
3093         * CDMA only settings
3094         * DTMF tone type played by the dialer when dialing.
3095         *                 0 = Normal
3096         *                 1 = Long
3097         */
3098        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3099
3100        /** @hide */
3101        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3102
3103        /**
3104         * Whether the hearing aid is enabled. The value is
3105         * boolean (1 or 0).
3106         * @hide
3107         */
3108        public static final String HEARING_AID = "hearing_aid";
3109
3110        /** @hide */
3111        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3112
3113        /**
3114         * CDMA only settings
3115         * TTY Mode
3116         * 0 = OFF
3117         * 1 = FULL
3118         * 2 = VCO
3119         * 3 = HCO
3120         * @hide
3121         */
3122        public static final String TTY_MODE = "tty_mode";
3123
3124        /** @hide */
3125        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3126
3127        /**
3128         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3129         * boolean (1 or 0).
3130         */
3131        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3132
3133        /** @hide */
3134        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3135
3136        /**
3137         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3138         * boolean (1 or 0).
3139         */
3140        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3141
3142        /** @hide */
3143        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3144
3145        /**
3146         * @deprecated Each application that shows web suggestions should have its own
3147         * setting for this.
3148         */
3149        @Deprecated
3150        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3151
3152        /** @hide */
3153        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3154
3155        /**
3156         * Whether the notification LED should repeatedly flash when a notification is
3157         * pending. The value is boolean (1 or 0).
3158         * @hide
3159         */
3160        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3161
3162        /** @hide */
3163        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3164
3165        /**
3166         * Show pointer location on screen?
3167         * 0 = no
3168         * 1 = yes
3169         * @hide
3170         */
3171        public static final String POINTER_LOCATION = "pointer_location";
3172
3173        /** @hide */
3174        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3175
3176        /**
3177         * Show touch positions on screen?
3178         * 0 = no
3179         * 1 = yes
3180         * @hide
3181         */
3182        public static final String SHOW_TOUCHES = "show_touches";
3183
3184        /** @hide */
3185        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3186
3187        /**
3188         * Log raw orientation data from
3189         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3190         * orientationplot.py tool.
3191         * 0 = no
3192         * 1 = yes
3193         * @hide
3194         */
3195        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3196                "window_orientation_listener_log";
3197
3198        /** @hide */
3199        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3200
3201        /**
3202         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3203         * instead
3204         * @hide
3205         */
3206        @Deprecated
3207        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3208
3209        /**
3210         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3211         * instead
3212         * @hide
3213         */
3214        @Deprecated
3215        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3216
3217        /**
3218         * Whether to play sounds when the keyguard is shown and dismissed.
3219         * @hide
3220         */
3221        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3222
3223        /** @hide */
3224        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3225
3226        /**
3227         * Whether the lockscreen should be completely disabled.
3228         * @hide
3229         */
3230        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3231
3232        /** @hide */
3233        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3234
3235        /**
3236         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3237         * instead
3238         * @hide
3239         */
3240        @Deprecated
3241        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3242
3243        /**
3244         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3245         * instead
3246         * @hide
3247         */
3248        @Deprecated
3249        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3250
3251        /**
3252         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3253         * instead
3254         * @hide
3255         */
3256        @Deprecated
3257        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3258
3259        /**
3260         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3261         * instead
3262         * @hide
3263         */
3264        @Deprecated
3265        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3266
3267        /**
3268         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3269         * instead
3270         * @hide
3271         */
3272        @Deprecated
3273        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3274
3275        /**
3276         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3277         * instead
3278         * @hide
3279         */
3280        @Deprecated
3281        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3282
3283        /**
3284         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3285         * instead
3286         * @hide
3287         */
3288        @Deprecated
3289        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3290
3291        /**
3292         * Receive incoming SIP calls?
3293         * 0 = no
3294         * 1 = yes
3295         * @hide
3296         */
3297        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3298
3299        /** @hide */
3300        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3301
3302        /**
3303         * Call Preference String.
3304         * "SIP_ALWAYS" : Always use SIP with network access
3305         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3306         * @hide
3307         */
3308        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3309
3310        /** @hide */
3311        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3312                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3313
3314        /**
3315         * One of the sip call options: Always use SIP with network access.
3316         * @hide
3317         */
3318        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3319
3320        /** @hide */
3321        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3322
3323        /**
3324         * One of the sip call options: Only if destination is a SIP address.
3325         * @hide
3326         */
3327        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3328
3329        /** @hide */
3330        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3331
3332        /**
3333         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3334         * the user should be prompted each time a call is made whether it should be placed using
3335         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3336         * SIP_ADDRESS_ONLY.
3337         * @hide
3338         */
3339        @Deprecated
3340        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3341
3342        /** @hide */
3343        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3344
3345        /**
3346         * Pointer speed setting.
3347         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3348         *   -7 = slowest
3349         *    0 = default speed
3350         *   +7 = fastest
3351         * @hide
3352         */
3353        public static final String POINTER_SPEED = "pointer_speed";
3354
3355        /** @hide */
3356        public static final Validator POINTER_SPEED_VALIDATOR =
3357                new InclusiveFloatRangeValidator(-7, 7);
3358
3359        /**
3360         * Whether lock-to-app will be triggered by long-press on recents.
3361         * @hide
3362         */
3363        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3364
3365        /** @hide */
3366        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3367
3368        /**
3369         * I am the lolrus.
3370         * <p>
3371         * Nonzero values indicate that the user has a bukkit.
3372         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3373         * @hide
3374         */
3375        public static final String EGG_MODE = "egg_mode";
3376
3377        /** @hide */
3378        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3379            @Override
3380            public boolean validate(String value) {
3381                try {
3382                    return Long.parseLong(value) >= 0;
3383                } catch (NumberFormatException e) {
3384                    return false;
3385                }
3386            }
3387        };
3388
3389        /**
3390         * IMPORTANT: If you add a new public settings you also have to add it to
3391         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3392         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3393         * the setting value. See an example above.
3394         */
3395
3396        /**
3397         * Settings to backup. This is here so that it's in the same place as the settings
3398         * keys and easy to update.
3399         *
3400         * NOTE: Settings are backed up and restored in the order they appear
3401         *       in this array. If you have one setting depending on another,
3402         *       make sure that they are ordered appropriately.
3403         *
3404         * @hide
3405         */
3406        public static final String[] SETTINGS_TO_BACKUP = {
3407            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3408            WIFI_USE_STATIC_IP,
3409            WIFI_STATIC_IP,
3410            WIFI_STATIC_GATEWAY,
3411            WIFI_STATIC_NETMASK,
3412            WIFI_STATIC_DNS1,
3413            WIFI_STATIC_DNS2,
3414            BLUETOOTH_DISCOVERABILITY,
3415            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3416            FONT_SCALE,
3417            DIM_SCREEN,
3418            SCREEN_OFF_TIMEOUT,
3419            SCREEN_BRIGHTNESS,
3420            SCREEN_BRIGHTNESS_MODE,
3421            SCREEN_AUTO_BRIGHTNESS_ADJ,
3422            VIBRATE_INPUT_DEVICES,
3423            MODE_RINGER_STREAMS_AFFECTED,
3424            TEXT_AUTO_REPLACE,
3425            TEXT_AUTO_CAPS,
3426            TEXT_AUTO_PUNCTUATE,
3427            TEXT_SHOW_PASSWORD,
3428            AUTO_TIME,                  // moved to global
3429            AUTO_TIME_ZONE,             // moved to global
3430            TIME_12_24,
3431            DATE_FORMAT,
3432            DTMF_TONE_WHEN_DIALING,
3433            DTMF_TONE_TYPE_WHEN_DIALING,
3434            HEARING_AID,
3435            TTY_MODE,
3436            SOUND_EFFECTS_ENABLED,
3437            HAPTIC_FEEDBACK_ENABLED,
3438            POWER_SOUNDS_ENABLED,       // moved to global
3439            DOCK_SOUNDS_ENABLED,        // moved to global
3440            LOCKSCREEN_SOUNDS_ENABLED,
3441            SHOW_WEB_SUGGESTIONS,
3442            SIP_CALL_OPTIONS,
3443            SIP_RECEIVE_CALLS,
3444            POINTER_SPEED,
3445            VIBRATE_WHEN_RINGING,
3446            RINGTONE,
3447            LOCK_TO_APP_ENABLED,
3448            NOTIFICATION_SOUND,
3449            ACCELEROMETER_ROTATION
3450        };
3451
3452        /**
3453         * These are all public system settings
3454         *
3455         * @hide
3456         */
3457        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3458        static {
3459            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3460            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3461            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3462            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3463            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3464            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3465            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3466            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3467            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3468            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3469            PUBLIC_SETTINGS.add(FONT_SCALE);
3470            PUBLIC_SETTINGS.add(DIM_SCREEN);
3471            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3472            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3473            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3474            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3475            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3476            PUBLIC_SETTINGS.add(VIBRATE_ON);
3477            PUBLIC_SETTINGS.add(VOLUME_RING);
3478            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3479            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3480            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3481            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3482            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3483            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3484            PUBLIC_SETTINGS.add(RINGTONE);
3485            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3486            PUBLIC_SETTINGS.add(ALARM_ALERT);
3487            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3488            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3489            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3490            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3491            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3492            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3493            PUBLIC_SETTINGS.add(TIME_12_24);
3494            PUBLIC_SETTINGS.add(DATE_FORMAT);
3495            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3496            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3497            PUBLIC_SETTINGS.add(USER_ROTATION);
3498            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3499            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3500            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3501            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3502            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3503        }
3504
3505        /**
3506         * These are all hidden system settings.
3507         *
3508         * @hide
3509         */
3510        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3511        static {
3512            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3513            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3514            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3515            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3516            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3517            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3518            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3519            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3520            PRIVATE_SETTINGS.add(MASTER_MONO);
3521            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3522            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3523            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3524            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3525            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3526            PRIVATE_SETTINGS.add(HEARING_AID);
3527            PRIVATE_SETTINGS.add(TTY_MODE);
3528            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3529            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3530            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3531            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3532            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3533            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3534            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3535            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3536            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3537            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3538            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3539            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3540            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3541            PRIVATE_SETTINGS.add(LOCK_SOUND);
3542            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3543            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3544            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3545            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3546            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3547            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3548            PRIVATE_SETTINGS.add(POINTER_SPEED);
3549            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3550            PRIVATE_SETTINGS.add(EGG_MODE);
3551        }
3552
3553        /**
3554         * These are all public system settings
3555         *
3556         * @hide
3557         */
3558        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3559        static {
3560            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3561            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3562            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3563            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3564                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3565            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3566            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3567            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3568            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3569            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3570            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3571            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3572            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3573            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3574            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3575            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3576            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3577            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3578            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3579            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3580            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3581            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3582            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3583            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3584            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3585            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3586            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3587            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3588            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3589            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3590            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3591            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3592            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3593            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3594            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3595            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3596            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3597            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3598            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3599            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3600            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3601            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3602            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3603            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3604                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3605            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3606            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3607            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3608            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3609            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3610            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3611            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3612            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3613                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3614            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3615            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3616            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3617            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3618            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3619            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3620            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3621            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3622            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3623            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3624            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3625            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3626            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3627            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3628            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3629        }
3630
3631        /**
3632         * These entries are considered common between the personal and the managed profile,
3633         * since the managed profile doesn't get to change them.
3634         */
3635        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3636        static {
3637            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3638            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3639            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3640            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3641            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3642        }
3643
3644        /** @hide */
3645        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3646            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3647        }
3648
3649        /**
3650         * When to use Wi-Fi calling
3651         *
3652         * @see android.telephony.TelephonyManager.WifiCallingChoices
3653         * @hide
3654         */
3655        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3656
3657        // Settings moved to Settings.Secure
3658
3659        /**
3660         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3661         * instead
3662         */
3663        @Deprecated
3664        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3665
3666        /**
3667         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3668         */
3669        @Deprecated
3670        public static final String ANDROID_ID = Secure.ANDROID_ID;
3671
3672        /**
3673         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3674         */
3675        @Deprecated
3676        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3677
3678        /**
3679         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3680         */
3681        @Deprecated
3682        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3683
3684        /**
3685         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3686         */
3687        @Deprecated
3688        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3689
3690        /**
3691         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3692         */
3693        @Deprecated
3694        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3695
3696        /**
3697         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3698         */
3699        @Deprecated
3700        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3701
3702        /**
3703         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3704         * instead
3705         */
3706        @Deprecated
3707        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3708
3709        /**
3710         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3711         */
3712        @Deprecated
3713        public static final String LOGGING_ID = Secure.LOGGING_ID;
3714
3715        /**
3716         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3717         */
3718        @Deprecated
3719        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3720
3721        /**
3722         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3723         * instead
3724         */
3725        @Deprecated
3726        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3727
3728        /**
3729         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3730         * instead
3731         */
3732        @Deprecated
3733        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3734
3735        /**
3736         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3737         * instead
3738         */
3739        @Deprecated
3740        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3741            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3742
3743        /**
3744         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3745         */
3746        @Deprecated
3747        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3748
3749        /**
3750         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3751         */
3752        @Deprecated
3753        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3754
3755        /**
3756         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3757         */
3758        @Deprecated
3759        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3760
3761       /**
3762         * @deprecated Use
3763         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3764         */
3765        @Deprecated
3766        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3767
3768        /**
3769         * @deprecated Use
3770         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3771         */
3772        @Deprecated
3773        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3774                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3775
3776        /**
3777         * @deprecated Use
3778         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3779         */
3780        @Deprecated
3781        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3782                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3783
3784        /**
3785         * @deprecated Use
3786         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3787         */
3788        @Deprecated
3789        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3790                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3791
3792        /**
3793         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3794         * instead
3795         */
3796        @Deprecated
3797        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3798
3799        /**
3800         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3801         */
3802        @Deprecated
3803        public static final String WIFI_ON = Global.WIFI_ON;
3804
3805        /**
3806         * @deprecated Use
3807         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3808         * instead
3809         */
3810        @Deprecated
3811        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3812                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3813
3814        /**
3815         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3816         */
3817        @Deprecated
3818        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3819
3820        /**
3821         * @deprecated Use
3822         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3823         */
3824        @Deprecated
3825        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3826                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3827
3828        /**
3829         * @deprecated Use
3830         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3831         */
3832        @Deprecated
3833        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3834                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3835
3836        /**
3837         * @deprecated Use
3838         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3839         * instead
3840         */
3841        @Deprecated
3842        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3843                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3844
3845        /**
3846         * @deprecated Use
3847         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3848         */
3849        @Deprecated
3850        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3851            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3852
3853        /**
3854         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3855         * instead
3856         */
3857        @Deprecated
3858        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3859
3860        /**
3861         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3862         */
3863        @Deprecated
3864        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3865
3866        /**
3867         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3868         */
3869        @Deprecated
3870        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3871
3872        /**
3873         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3874         * instead
3875         */
3876        @Deprecated
3877        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3878
3879        /**
3880         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3881         * instead
3882         */
3883        @Deprecated
3884        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3885            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3886
3887        /**
3888         * An app can use this method to check if it is currently allowed to write or modify system
3889         * settings. In order to gain write access to the system settings, an app must declare the
3890         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3891         * currently disallowed, it can prompt the user to grant it this capability through a
3892         * management UI by sending an Intent with action
3893         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3894         *
3895         * @param context A context
3896         * @return true if the calling app can write to system settings, false otherwise
3897         */
3898        public static boolean canWrite(Context context) {
3899            int uid = Binder.getCallingUid();
3900            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3901                    context, uid), false);
3902        }
3903    }
3904
3905    /**
3906     * Secure system settings, containing system preferences that applications
3907     * can read but are not allowed to write.  These are for preferences that
3908     * the user must explicitly modify through the system UI or specialized
3909     * APIs for those values, not modified directly by applications.
3910     */
3911    public static final class Secure extends NameValueTable {
3912        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3913
3914        /**
3915         * The content:// style URL for this table
3916         */
3917        public static final Uri CONTENT_URI =
3918            Uri.parse("content://" + AUTHORITY + "/secure");
3919
3920        // Populated lazily, guarded by class object:
3921        private static final NameValueCache sNameValueCache = new NameValueCache(
3922                SYS_PROP_SETTING_VERSION,
3923                CONTENT_URI,
3924                CALL_METHOD_GET_SECURE,
3925                CALL_METHOD_PUT_SECURE);
3926
3927        private static ILockSettings sLockSettings = null;
3928
3929        private static boolean sIsSystemProcess;
3930        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3931        private static final HashSet<String> MOVED_TO_GLOBAL;
3932        static {
3933            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3934            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3935            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3936            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3937
3938            MOVED_TO_GLOBAL = new HashSet<String>();
3939            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3940            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3941            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3942            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3943            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3944            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3945            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3946            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3947            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3948            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3949            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3950            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3951            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3952            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3953            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3954            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3955            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3956            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3957            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3958            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3959            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3960            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3961            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3962            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3963            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3964            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3965            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3966            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3967            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3968            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3969            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3970            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3971            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3972            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3973            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3974            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3975            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3976            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3977            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3978            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3979            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3980            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3981            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3982            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3983            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3984            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3985            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3986            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3987            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3988            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3989            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3990            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3991            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3992            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3993            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3994            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3995            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3996            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3997            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3998            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3999            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
4000            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
4001            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
4002            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
4003            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
4004            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
4005            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
4006            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
4007            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
4008            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
4009            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
4010            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
4011            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
4012            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
4013            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
4014            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
4015            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
4016            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
4017            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
4018            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
4019            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
4020            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
4021            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
4022            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
4023            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
4024            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
4025            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
4026            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
4027            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
4028            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
4029            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
4030            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
4031            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
4032            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
4033            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
4034            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
4035            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
4036            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
4037            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
4038            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
4039            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
4040            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
4041            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
4042            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
4043            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
4044            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
4045            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
4046            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
4047            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
4048            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
4049            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
4050        }
4051
4052        /** @hide */
4053        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
4054            outKeySet.addAll(MOVED_TO_GLOBAL);
4055        }
4056
4057        /**
4058         * Look up a name in the database.
4059         * @param resolver to access the database with
4060         * @param name to look up in the table
4061         * @return the corresponding value, or null if not present
4062         */
4063        public static String getString(ContentResolver resolver, String name) {
4064            return getStringForUser(resolver, name, UserHandle.myUserId());
4065        }
4066
4067        /** @hide */
4068        public static String getStringForUser(ContentResolver resolver, String name,
4069                int userHandle) {
4070            if (MOVED_TO_GLOBAL.contains(name)) {
4071                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4072                        + " to android.provider.Settings.Global.");
4073                return Global.getStringForUser(resolver, name, userHandle);
4074            }
4075
4076            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
4077                synchronized (Secure.class) {
4078                    if (sLockSettings == null) {
4079                        sLockSettings = ILockSettings.Stub.asInterface(
4080                                (IBinder) ServiceManager.getService("lock_settings"));
4081                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
4082                    }
4083                }
4084                if (sLockSettings != null && !sIsSystemProcess) {
4085                    // No context; use the ActivityThread's context as an approximation for
4086                    // determining the target API level.
4087                    Application application = ActivityThread.currentApplication();
4088
4089                    boolean isPreMnc = application != null
4090                            && application.getApplicationInfo() != null
4091                            && application.getApplicationInfo().targetSdkVersion
4092                            <= VERSION_CODES.LOLLIPOP_MR1;
4093                    if (isPreMnc) {
4094                        try {
4095                            return sLockSettings.getString(name, "0", userHandle);
4096                        } catch (RemoteException re) {
4097                            // Fall through
4098                        }
4099                    } else {
4100                        throw new SecurityException("Settings.Secure." + name
4101                                + " is deprecated and no longer accessible."
4102                                + " See API documentation for potential replacements.");
4103                    }
4104                }
4105            }
4106
4107            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4108        }
4109
4110        /**
4111         * Store a name/value pair into the database.
4112         * @param resolver to access the database with
4113         * @param name to store
4114         * @param value to associate with the name
4115         * @return true if the value was set, false on database errors
4116         */
4117        public static boolean putString(ContentResolver resolver, String name, String value) {
4118            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4119        }
4120
4121        /** @hide */
4122        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4123                int userHandle) {
4124            if (LOCATION_MODE.equals(name)) {
4125                // HACK ALERT: temporary hack to work around b/10491283.
4126                // TODO: once b/10491283 fixed, remove this hack
4127                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4128            }
4129            if (MOVED_TO_GLOBAL.contains(name)) {
4130                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4131                        + " to android.provider.Settings.Global");
4132                return Global.putStringForUser(resolver, name, value, userHandle);
4133            }
4134            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4135        }
4136
4137        /**
4138         * Construct the content URI for a particular name/value pair,
4139         * useful for monitoring changes with a ContentObserver.
4140         * @param name to look up in the table
4141         * @return the corresponding content URI, or null if not present
4142         */
4143        public static Uri getUriFor(String name) {
4144            if (MOVED_TO_GLOBAL.contains(name)) {
4145                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4146                        + " to android.provider.Settings.Global, returning global URI.");
4147                return Global.getUriFor(Global.CONTENT_URI, name);
4148            }
4149            return getUriFor(CONTENT_URI, name);
4150        }
4151
4152        /**
4153         * Convenience function for retrieving a single secure settings value
4154         * as an integer.  Note that internally setting values are always
4155         * stored as strings; this function converts the string to an integer
4156         * for you.  The default value will be returned if the setting is
4157         * not defined or not an integer.
4158         *
4159         * @param cr The ContentResolver to access.
4160         * @param name The name of the setting to retrieve.
4161         * @param def Value to return if the setting is not defined.
4162         *
4163         * @return The setting's current value, or 'def' if it is not defined
4164         * or not a valid integer.
4165         */
4166        public static int getInt(ContentResolver cr, String name, int def) {
4167            return getIntForUser(cr, name, def, UserHandle.myUserId());
4168        }
4169
4170        /** @hide */
4171        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4172            if (LOCATION_MODE.equals(name)) {
4173                // HACK ALERT: temporary hack to work around b/10491283.
4174                // TODO: once b/10491283 fixed, remove this hack
4175                return getLocationModeForUser(cr, userHandle);
4176            }
4177            String v = getStringForUser(cr, name, userHandle);
4178            try {
4179                return v != null ? Integer.parseInt(v) : def;
4180            } catch (NumberFormatException e) {
4181                return def;
4182            }
4183        }
4184
4185        /**
4186         * Convenience function for retrieving a single secure settings value
4187         * as an integer.  Note that internally setting values are always
4188         * stored as strings; this function converts the string to an integer
4189         * for you.
4190         * <p>
4191         * This version does not take a default value.  If the setting has not
4192         * been set, or the string value is not a number,
4193         * it throws {@link SettingNotFoundException}.
4194         *
4195         * @param cr The ContentResolver to access.
4196         * @param name The name of the setting to retrieve.
4197         *
4198         * @throws SettingNotFoundException Thrown if a setting by the given
4199         * name can't be found or the setting value is not an integer.
4200         *
4201         * @return The setting's current value.
4202         */
4203        public static int getInt(ContentResolver cr, String name)
4204                throws SettingNotFoundException {
4205            return getIntForUser(cr, name, UserHandle.myUserId());
4206        }
4207
4208        /** @hide */
4209        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4210                throws SettingNotFoundException {
4211            if (LOCATION_MODE.equals(name)) {
4212                // HACK ALERT: temporary hack to work around b/10491283.
4213                // TODO: once b/10491283 fixed, remove this hack
4214                return getLocationModeForUser(cr, userHandle);
4215            }
4216            String v = getStringForUser(cr, name, userHandle);
4217            try {
4218                return Integer.parseInt(v);
4219            } catch (NumberFormatException e) {
4220                throw new SettingNotFoundException(name);
4221            }
4222        }
4223
4224        /**
4225         * Convenience function for updating a single settings value as an
4226         * integer. This will either create a new entry in the table if the
4227         * given name does not exist, or modify the value of the existing row
4228         * with that name.  Note that internally setting values are always
4229         * stored as strings, so this function converts the given value to a
4230         * string before storing it.
4231         *
4232         * @param cr The ContentResolver to access.
4233         * @param name The name of the setting to modify.
4234         * @param value The new value for the setting.
4235         * @return true if the value was set, false on database errors
4236         */
4237        public static boolean putInt(ContentResolver cr, String name, int value) {
4238            return putIntForUser(cr, name, value, UserHandle.myUserId());
4239        }
4240
4241        /** @hide */
4242        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4243                int userHandle) {
4244            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4245        }
4246
4247        /**
4248         * Convenience function for retrieving a single secure settings value
4249         * as a {@code long}.  Note that internally setting values are always
4250         * stored as strings; this function converts the string to a {@code long}
4251         * for you.  The default value will be returned if the setting is
4252         * not defined or not a {@code long}.
4253         *
4254         * @param cr The ContentResolver to access.
4255         * @param name The name of the setting to retrieve.
4256         * @param def Value to return if the setting is not defined.
4257         *
4258         * @return The setting's current value, or 'def' if it is not defined
4259         * or not a valid {@code long}.
4260         */
4261        public static long getLong(ContentResolver cr, String name, long def) {
4262            return getLongForUser(cr, name, def, UserHandle.myUserId());
4263        }
4264
4265        /** @hide */
4266        public static long getLongForUser(ContentResolver cr, String name, long def,
4267                int userHandle) {
4268            String valString = getStringForUser(cr, name, userHandle);
4269            long value;
4270            try {
4271                value = valString != null ? Long.parseLong(valString) : def;
4272            } catch (NumberFormatException e) {
4273                value = def;
4274            }
4275            return value;
4276        }
4277
4278        /**
4279         * Convenience function for retrieving a single secure settings value
4280         * as a {@code long}.  Note that internally setting values are always
4281         * stored as strings; this function converts the string to a {@code long}
4282         * for you.
4283         * <p>
4284         * This version does not take a default value.  If the setting has not
4285         * been set, or the string value is not a number,
4286         * it throws {@link SettingNotFoundException}.
4287         *
4288         * @param cr The ContentResolver to access.
4289         * @param name The name of the setting to retrieve.
4290         *
4291         * @return The setting's current value.
4292         * @throws SettingNotFoundException Thrown if a setting by the given
4293         * name can't be found or the setting value is not an integer.
4294         */
4295        public static long getLong(ContentResolver cr, String name)
4296                throws SettingNotFoundException {
4297            return getLongForUser(cr, name, UserHandle.myUserId());
4298        }
4299
4300        /** @hide */
4301        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4302                throws SettingNotFoundException {
4303            String valString = getStringForUser(cr, name, userHandle);
4304            try {
4305                return Long.parseLong(valString);
4306            } catch (NumberFormatException e) {
4307                throw new SettingNotFoundException(name);
4308            }
4309        }
4310
4311        /**
4312         * Convenience function for updating a secure settings value as a long
4313         * integer. This will either create a new entry in the table if the
4314         * given name does not exist, or modify the value of the existing row
4315         * with that name.  Note that internally setting values are always
4316         * stored as strings, so this function converts the given value to a
4317         * string before storing it.
4318         *
4319         * @param cr The ContentResolver to access.
4320         * @param name The name of the setting to modify.
4321         * @param value The new value for the setting.
4322         * @return true if the value was set, false on database errors
4323         */
4324        public static boolean putLong(ContentResolver cr, String name, long value) {
4325            return putLongForUser(cr, name, value, UserHandle.myUserId());
4326        }
4327
4328        /** @hide */
4329        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4330                int userHandle) {
4331            return putStringForUser(cr, name, Long.toString(value), userHandle);
4332        }
4333
4334        /**
4335         * Convenience function for retrieving a single secure settings value
4336         * as a floating point number.  Note that internally setting values are
4337         * always stored as strings; this function converts the string to an
4338         * float for you. The default value will be returned if the setting
4339         * is not defined or not a valid float.
4340         *
4341         * @param cr The ContentResolver to access.
4342         * @param name The name of the setting to retrieve.
4343         * @param def Value to return if the setting is not defined.
4344         *
4345         * @return The setting's current value, or 'def' if it is not defined
4346         * or not a valid float.
4347         */
4348        public static float getFloat(ContentResolver cr, String name, float def) {
4349            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4350        }
4351
4352        /** @hide */
4353        public static float getFloatForUser(ContentResolver cr, String name, float def,
4354                int userHandle) {
4355            String v = getStringForUser(cr, name, userHandle);
4356            try {
4357                return v != null ? Float.parseFloat(v) : def;
4358            } catch (NumberFormatException e) {
4359                return def;
4360            }
4361        }
4362
4363        /**
4364         * Convenience function for retrieving a single secure settings value
4365         * as a float.  Note that internally setting values are always
4366         * stored as strings; this function converts the string to a float
4367         * for you.
4368         * <p>
4369         * This version does not take a default value.  If the setting has not
4370         * been set, or the string value is not a number,
4371         * it throws {@link SettingNotFoundException}.
4372         *
4373         * @param cr The ContentResolver to access.
4374         * @param name The name of the setting to retrieve.
4375         *
4376         * @throws SettingNotFoundException Thrown if a setting by the given
4377         * name can't be found or the setting value is not a float.
4378         *
4379         * @return The setting's current value.
4380         */
4381        public static float getFloat(ContentResolver cr, String name)
4382                throws SettingNotFoundException {
4383            return getFloatForUser(cr, name, UserHandle.myUserId());
4384        }
4385
4386        /** @hide */
4387        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4388                throws SettingNotFoundException {
4389            String v = getStringForUser(cr, name, userHandle);
4390            if (v == null) {
4391                throw new SettingNotFoundException(name);
4392            }
4393            try {
4394                return Float.parseFloat(v);
4395            } catch (NumberFormatException e) {
4396                throw new SettingNotFoundException(name);
4397            }
4398        }
4399
4400        /**
4401         * Convenience function for updating a single settings value as a
4402         * floating point number. This will either create a new entry in the
4403         * table if the given name does not exist, or modify the value of the
4404         * existing row with that name.  Note that internally setting values
4405         * are always stored as strings, so this function converts the given
4406         * value to a string before storing it.
4407         *
4408         * @param cr The ContentResolver to access.
4409         * @param name The name of the setting to modify.
4410         * @param value The new value for the setting.
4411         * @return true if the value was set, false on database errors
4412         */
4413        public static boolean putFloat(ContentResolver cr, String name, float value) {
4414            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4415        }
4416
4417        /** @hide */
4418        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4419                int userHandle) {
4420            return putStringForUser(cr, name, Float.toString(value), userHandle);
4421        }
4422
4423        /**
4424         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4425         * instead
4426         */
4427        @Deprecated
4428        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4429                Global.DEVELOPMENT_SETTINGS_ENABLED;
4430
4431        /**
4432         * When the user has enable the option to have a "bug report" command
4433         * in the power menu.
4434         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4435         * @hide
4436         */
4437        @Deprecated
4438        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4439
4440        /**
4441         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4442         */
4443        @Deprecated
4444        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4445
4446        /**
4447         * Setting to allow mock locations and location provider status to be injected into the
4448         * LocationManager service for testing purposes during application development.  These
4449         * locations and status values  override actual location and status information generated
4450         * by network, gps, or other location providers.
4451         *
4452         * @deprecated This settings is not used anymore.
4453         */
4454        @Deprecated
4455        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4456
4457        /**
4458         * A 64-bit number (as a hex string) that is randomly
4459         * generated when the user first sets up the device and should remain
4460         * constant for the lifetime of the user's device. The value may
4461         * change if a factory reset is performed on the device.
4462         * <p class="note"><strong>Note:</strong> When a device has <a
4463         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4464         * (available on certain devices running Android 4.2 or higher), each user appears as a
4465         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4466         * user.</p>
4467         */
4468        public static final String ANDROID_ID = "android_id";
4469
4470        /**
4471         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4472         */
4473        @Deprecated
4474        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4475
4476        /**
4477         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4478         */
4479        @Deprecated
4480        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4481
4482        /**
4483         * Setting to record the input method used by default, holding the ID
4484         * of the desired method.
4485         */
4486        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4487
4488        /**
4489         * Setting to record the input method subtype used by default, holding the ID
4490         * of the desired method.
4491         */
4492        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4493                "selected_input_method_subtype";
4494
4495        /**
4496         * Setting to record the history of input method subtype, holding the pair of ID of IME
4497         * and its last used subtype.
4498         * @hide
4499         */
4500        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4501                "input_methods_subtype_history";
4502
4503        /**
4504         * Setting to record the visibility of input method selector
4505         */
4506        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4507                "input_method_selector_visibility";
4508
4509        /**
4510         * The currently selected voice interaction service flattened ComponentName.
4511         * @hide
4512         */
4513        @TestApi
4514        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4515
4516        /**
4517         * bluetooth HCI snoop log configuration
4518         * @hide
4519         */
4520        public static final String BLUETOOTH_HCI_LOG =
4521                "bluetooth_hci_log";
4522
4523        /**
4524         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4525         */
4526        @Deprecated
4527        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4528
4529        /**
4530         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4531         * @hide
4532         */
4533        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4534
4535        /**
4536         * Prefix for category name that marks whether a suggested action from that category was
4537         * completed.
4538         * @hide
4539         */
4540        public static final String COMPLETED_CATEGORY_PREFIX = "suggested.completed_category.";
4541
4542        /**
4543         * List of input methods that are currently enabled.  This is a string
4544         * containing the IDs of all enabled input methods, each ID separated
4545         * by ':'.
4546         */
4547        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4548
4549        /**
4550         * List of system input methods that are currently disabled.  This is a string
4551         * containing the IDs of all disabled input methods, each ID separated
4552         * by ':'.
4553         * @hide
4554         */
4555        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4556
4557        /**
4558         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4559         * determines if the IME should be shown when a hard keyboard is attached.
4560         * @hide
4561         */
4562        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4563
4564        /**
4565         * Host name and port for global http proxy. Uses ':' seperator for
4566         * between host and port.
4567         *
4568         * @deprecated Use {@link Global#HTTP_PROXY}
4569         */
4570        @Deprecated
4571        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4572
4573        /**
4574         * Package designated as always-on VPN provider.
4575         *
4576         * @hide
4577         */
4578        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4579
4580        /**
4581         * Whether applications can be installed for this user via the system's
4582         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4583         *
4584         * <p>1 = permit app installation via the system package installer intent
4585         * <p>0 = do not allow use of the package installer
4586         */
4587        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4588
4589        /**
4590         * Comma-separated list of location providers that activities may access. Do not rely on
4591         * this value being present in settings.db or on ContentObserver notifications on the
4592         * corresponding Uri.
4593         *
4594         * @deprecated use {@link #LOCATION_MODE} and
4595         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4596         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4597         */
4598        @Deprecated
4599        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4600
4601        /**
4602         * The degree of location access enabled by the user.
4603         * <p>
4604         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4605         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4606         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4607         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4608         * modes that might be added in the future.
4609         * <p>
4610         * Note: do not rely on this value being present in settings.db or on ContentObserver
4611         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4612         * to receive changes in this value.
4613         */
4614        public static final String LOCATION_MODE = "location_mode";
4615        /**
4616         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4617         * {@link #LOCATION_MODE_OFF}
4618         * @hide
4619         */
4620        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4621
4622        /**
4623         * Sets all location providers to the previous states before location was turned off.
4624         * @hide
4625         */
4626        public static final int LOCATION_MODE_PREVIOUS = -1;
4627        /**
4628         * Location access disabled.
4629         */
4630        public static final int LOCATION_MODE_OFF = 0;
4631        /**
4632         * Network Location Provider disabled, but GPS and other sensors enabled.
4633         */
4634        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4635        /**
4636         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4637         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4638         * {@link android.location.Criteria#POWER_MEDIUM}.
4639         */
4640        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4641        /**
4642         * Best-effort location computation allowed.
4643         */
4644        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4645
4646        /**
4647         * A flag containing settings used for biometric weak
4648         * @hide
4649         */
4650        @Deprecated
4651        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4652                "lock_biometric_weak_flags";
4653
4654        /**
4655         * Whether lock-to-app will lock the keyguard when exiting.
4656         * @hide
4657         */
4658        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4659
4660        /**
4661         * Whether autolock is enabled (0 = false, 1 = true)
4662         *
4663         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4664         *             level of the keyguard. 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 LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4669
4670        /**
4671         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4672         *
4673         * @deprecated Accessing this setting from an app that is targeting
4674         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4675         */
4676        @Deprecated
4677        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4678
4679        /**
4680         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4681         * true)
4682         *
4683         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4684         *             lockscreen uses
4685         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4686         *             Accessing this setting from an app that is targeting
4687         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4688         */
4689        @Deprecated
4690        public static final String
4691                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4692
4693        /**
4694         * This preference allows the device to be locked given time after screen goes off,
4695         * subject to current DeviceAdmin policy limits.
4696         * @hide
4697         */
4698        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4699
4700
4701        /**
4702         * This preference contains the string that shows for owner info on LockScreen.
4703         * @hide
4704         * @deprecated
4705         */
4706        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4707
4708        /**
4709         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4710         * @hide
4711         */
4712        @Deprecated
4713        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4714            "lock_screen_appwidget_ids";
4715
4716        /**
4717         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4718         * @hide
4719         */
4720        @Deprecated
4721        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4722            "lock_screen_fallback_appwidget_id";
4723
4724        /**
4725         * Index of the lockscreen appwidget to restore, -1 if none.
4726         * @hide
4727         */
4728        @Deprecated
4729        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4730            "lock_screen_sticky_appwidget";
4731
4732        /**
4733         * This preference enables showing the owner info on LockScreen.
4734         * @hide
4735         * @deprecated
4736         */
4737        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4738            "lock_screen_owner_info_enabled";
4739
4740        /**
4741         * When set by a user, allows notifications to be shown atop a securely locked screen
4742         * in their full "private" form (same as when the device is unlocked).
4743         * @hide
4744         */
4745        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4746                "lock_screen_allow_private_notifications";
4747
4748        /**
4749         * When set by a user, allows notification remote input atop a securely locked screen
4750         * without having to unlock
4751         * @hide
4752         */
4753        public static final String LOCK_SCREEN_ALLOW_REMOTE_INPUT =
4754                "lock_screen_allow_remote_input";
4755
4756        /**
4757         * Set by the system to track if the user needs to see the call to action for
4758         * the lockscreen notification policy.
4759         * @hide
4760         */
4761        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4762                "show_note_about_notification_hiding";
4763
4764        /**
4765         * Set to 1 by the system after trust agents have been initialized.
4766         * @hide
4767         */
4768        public static final String TRUST_AGENTS_INITIALIZED =
4769                "trust_agents_initialized";
4770
4771        /**
4772         * The Logging ID (a unique 64-bit value) as a hex string.
4773         * Used as a pseudonymous identifier for logging.
4774         * @deprecated This identifier is poorly initialized and has
4775         * many collisions.  It should not be used.
4776         */
4777        @Deprecated
4778        public static final String LOGGING_ID = "logging_id";
4779
4780        /**
4781         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4782         */
4783        @Deprecated
4784        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4785
4786        /**
4787         * No longer supported.
4788         */
4789        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4790
4791        /**
4792         * No longer supported.
4793         */
4794        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4795
4796        /**
4797         * No longer supported.
4798         */
4799        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4800
4801        /**
4802         * Settings classname to launch when Settings is clicked from All
4803         * Applications.  Needed because of user testing between the old
4804         * and new Settings apps.
4805         */
4806        // TODO: 881807
4807        public static final String SETTINGS_CLASSNAME = "settings_classname";
4808
4809        /**
4810         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4811         */
4812        @Deprecated
4813        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4814
4815        /**
4816         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4817         */
4818        @Deprecated
4819        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4820
4821        /**
4822         * If accessibility is enabled.
4823         */
4824        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4825
4826        /**
4827         * If touch exploration is enabled.
4828         */
4829        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4830
4831        /**
4832         * List of the enabled accessibility providers.
4833         */
4834        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4835            "enabled_accessibility_services";
4836
4837        /**
4838         * List of the accessibility services to which the user has granted
4839         * permission to put the device into touch exploration mode.
4840         *
4841         * @hide
4842         */
4843        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4844            "touch_exploration_granted_accessibility_services";
4845
4846        /**
4847         * Whether to speak passwords while in accessibility mode.
4848         */
4849        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4850
4851        /**
4852         * Whether to draw text with high contrast while in accessibility mode.
4853         *
4854         * @hide
4855         */
4856        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4857                "high_text_contrast_enabled";
4858
4859        /**
4860         * If injection of accessibility enhancing JavaScript screen-reader
4861         * is enabled.
4862         * <p>
4863         *   Note: The JavaScript based screen-reader is served by the
4864         *   Google infrastructure and enable users with disabilities to
4865         *   efficiently navigate in and explore web content.
4866         * </p>
4867         * <p>
4868         *   This property represents a boolean value.
4869         * </p>
4870         * @hide
4871         */
4872        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4873            "accessibility_script_injection";
4874
4875        /**
4876         * The URL for the injected JavaScript based screen-reader used
4877         * for providing accessibility of content in WebView.
4878         * <p>
4879         *   Note: The JavaScript based screen-reader is served by the
4880         *   Google infrastructure and enable users with disabilities to
4881         *   efficiently navigate in and explore web content.
4882         * </p>
4883         * <p>
4884         *   This property represents a string value.
4885         * </p>
4886         * @hide
4887         */
4888        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4889            "accessibility_script_injection_url";
4890
4891        /**
4892         * Key bindings for navigation in built-in accessibility support for web content.
4893         * <p>
4894         *   Note: These key bindings are for the built-in accessibility navigation for
4895         *   web content which is used as a fall back solution if JavaScript in a WebView
4896         *   is not enabled or the user has not opted-in script injection from Google.
4897         * </p>
4898         * <p>
4899         *   The bindings are separated by semi-colon. A binding is a mapping from
4900         *   a key to a sequence of actions (for more details look at
4901         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4902         *   string representation of an integer obtained from a meta state (optional) shifted
4903         *   sixteen times left and bitwise ored with a key code. An action is represented
4904         *   as a hexademical string representation of an integer where the first two digits
4905         *   are navigation action index, the second, the third, and the fourth digit pairs
4906         *   represent the action arguments. The separate actions in a binding are colon
4907         *   separated. The key and the action sequence it maps to are separated by equals.
4908         * </p>
4909         * <p>
4910         *   For example, the binding below maps the DPAD right button to traverse the
4911         *   current navigation axis once without firing an accessibility event and to
4912         *   perform the same traversal again but to fire an event:
4913         *   <code>
4914         *     0x16=0x01000100:0x01000101;
4915         *   </code>
4916         * </p>
4917         * <p>
4918         *   The goal of this binding is to enable dynamic rebinding of keys to
4919         *   navigation actions for web content without requiring a framework change.
4920         * </p>
4921         * <p>
4922         *   This property represents a string value.
4923         * </p>
4924         * @hide
4925         */
4926        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4927            "accessibility_web_content_key_bindings";
4928
4929        /**
4930         * Setting that specifies whether the display magnification is enabled.
4931         * Display magnifications allows the user to zoom in the display content
4932         * and is targeted to low vision users. The current magnification scale
4933         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4934         *
4935         * @hide
4936         */
4937        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4938                "accessibility_display_magnification_enabled";
4939
4940        /**
4941         * Setting that specifies what the display magnification scale is.
4942         * Display magnifications allows the user to zoom in the display
4943         * content and is targeted to low vision users. Whether a display
4944         * magnification is performed is controlled by
4945         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4946         *
4947         * @hide
4948         */
4949        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4950                "accessibility_display_magnification_scale";
4951
4952        /**
4953         * Setting that specifies whether the display magnification should be
4954         * automatically updated. If this fearture is enabled the system will
4955         * exit magnification mode or pan the viewport when a context change
4956         * occurs. For example, on staring a new activity or rotating the screen,
4957         * the system may zoom out so the user can see the new context he is in.
4958         * Another example is on showing a window that is not visible in the
4959         * magnified viewport the system may pan the viewport to make the window
4960         * the has popped up so the user knows that the context has changed.
4961         * Whether a screen magnification is performed is controlled by
4962         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4963         *
4964         * @hide
4965         */
4966        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4967                "accessibility_display_magnification_auto_update";
4968
4969        /**
4970         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
4971         * modified from an AccessibilityService using the SoftKeyboardController.
4972         *
4973         * @hide
4974         */
4975        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
4976                "accessibility_soft_keyboard_mode";
4977
4978        /**
4979         * Default soft keyboard behavior.
4980         *
4981         * @hide
4982         */
4983        public static final int SHOW_MODE_AUTO = 0;
4984
4985        /**
4986         * Soft keyboard is never shown.
4987         *
4988         * @hide
4989         */
4990        public static final int SHOW_MODE_HIDDEN = 1;
4991
4992        /**
4993         * Setting that specifies whether timed text (captions) should be
4994         * displayed in video content. Text display properties are controlled by
4995         * the following settings:
4996         * <ul>
4997         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4998         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4999         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
5000         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
5001         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
5002         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
5003         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
5004         * </ul>
5005         *
5006         * @hide
5007         */
5008        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
5009                "accessibility_captioning_enabled";
5010
5011        /**
5012         * Setting that specifies the language for captions as a locale string,
5013         * e.g. en_US.
5014         *
5015         * @see java.util.Locale#toString
5016         * @hide
5017         */
5018        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
5019                "accessibility_captioning_locale";
5020
5021        /**
5022         * Integer property that specifies the preset style for captions, one
5023         * of:
5024         * <ul>
5025         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
5026         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
5027         * </ul>
5028         *
5029         * @see java.util.Locale#toString
5030         * @hide
5031         */
5032        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
5033                "accessibility_captioning_preset";
5034
5035        /**
5036         * Integer property that specifes the background color for captions as a
5037         * packed 32-bit color.
5038         *
5039         * @see android.graphics.Color#argb
5040         * @hide
5041         */
5042        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
5043                "accessibility_captioning_background_color";
5044
5045        /**
5046         * Integer property that specifes the foreground color for captions as a
5047         * packed 32-bit color.
5048         *
5049         * @see android.graphics.Color#argb
5050         * @hide
5051         */
5052        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
5053                "accessibility_captioning_foreground_color";
5054
5055        /**
5056         * Integer property that specifes the edge type for captions, one of:
5057         * <ul>
5058         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
5059         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
5060         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
5061         * </ul>
5062         *
5063         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
5064         * @hide
5065         */
5066        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
5067                "accessibility_captioning_edge_type";
5068
5069        /**
5070         * Integer property that specifes the edge color for captions as a
5071         * packed 32-bit color.
5072         *
5073         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
5074         * @see android.graphics.Color#argb
5075         * @hide
5076         */
5077        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
5078                "accessibility_captioning_edge_color";
5079
5080        /**
5081         * Integer property that specifes the window color for captions as a
5082         * packed 32-bit color.
5083         *
5084         * @see android.graphics.Color#argb
5085         * @hide
5086         */
5087        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
5088                "accessibility_captioning_window_color";
5089
5090        /**
5091         * String property that specifies the typeface for captions, one of:
5092         * <ul>
5093         * <li>DEFAULT
5094         * <li>MONOSPACE
5095         * <li>SANS_SERIF
5096         * <li>SERIF
5097         * </ul>
5098         *
5099         * @see android.graphics.Typeface
5100         * @hide
5101         */
5102        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
5103                "accessibility_captioning_typeface";
5104
5105        /**
5106         * Floating point property that specifies font scaling for captions.
5107         *
5108         * @hide
5109         */
5110        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5111                "accessibility_captioning_font_scale";
5112
5113        /**
5114         * Setting that specifies whether display color inversion is enabled.
5115         */
5116        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5117                "accessibility_display_inversion_enabled";
5118
5119        /**
5120         * Setting that specifies whether display color space adjustment is
5121         * enabled.
5122         *
5123         * @hide
5124         */
5125        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5126                "accessibility_display_daltonizer_enabled";
5127
5128        /**
5129         * Integer property that specifies the type of color space adjustment to
5130         * perform. Valid values are defined in AccessibilityManager.
5131         *
5132         * @hide
5133         */
5134        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5135                "accessibility_display_daltonizer";
5136
5137        /**
5138         * Float list that specifies the color matrix to apply to
5139         * the display. Valid values are defined in AccessibilityManager.
5140         *
5141         * @hide
5142         */
5143        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5144                "accessibility_display_color_matrix";
5145
5146        /**
5147         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5148         * enabled.
5149         *
5150         * @hide
5151         */
5152        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5153                "accessibility_autoclick_enabled";
5154
5155        /**
5156         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5157         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5158         *
5159         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5160         * @hide
5161         */
5162        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5163                "accessibility_autoclick_delay";
5164
5165        /**
5166         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5167         * accessibility.
5168         * (0 = false, 1 = true)
5169         * @hide
5170         */
5171        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5172                "accessibility_large_pointer_icon";
5173
5174        /**
5175         * The timeout for considering a press to be a long press in milliseconds.
5176         * @hide
5177         */
5178        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5179
5180        /**
5181         * List of the enabled print services.
5182         *
5183         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5184         * from pre-N.
5185         *
5186         * @hide
5187         */
5188        public static final String ENABLED_PRINT_SERVICES =
5189            "enabled_print_services";
5190
5191        /**
5192         * List of the disabled print services.
5193         *
5194         * @hide
5195         */
5196        public static final String DISABLED_PRINT_SERVICES =
5197            "disabled_print_services";
5198
5199        /**
5200         * The saved value for WindowManagerService.setForcedDisplayDensity()
5201         * formatted as a single integer representing DPI. If unset, then use
5202         * the real display density.
5203         *
5204         * @hide
5205         */
5206        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5207
5208        /**
5209         * Setting to always use the default text-to-speech settings regardless
5210         * of the application settings.
5211         * 1 = override application settings,
5212         * 0 = use application settings (if specified).
5213         *
5214         * @deprecated  The value of this setting is no longer respected by
5215         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5216         */
5217        @Deprecated
5218        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5219
5220        /**
5221         * Default text-to-speech engine speech rate. 100 = 1x
5222         */
5223        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5224
5225        /**
5226         * Default text-to-speech engine pitch. 100 = 1x
5227         */
5228        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5229
5230        /**
5231         * Default text-to-speech engine.
5232         */
5233        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5234
5235        /**
5236         * Default text-to-speech language.
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 default
5241         * locale. {@link TextToSpeech#getLanguage()}.
5242         */
5243        @Deprecated
5244        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5245
5246        /**
5247         * Default text-to-speech country.
5248         *
5249         * @deprecated this setting is no longer in use, as of the Ice Cream
5250         * Sandwich release. Apps should never need to read this setting directly,
5251         * instead can query the TextToSpeech framework classes for the default
5252         * locale. {@link TextToSpeech#getLanguage()}.
5253         */
5254        @Deprecated
5255        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5256
5257        /**
5258         * Default text-to-speech locale variant.
5259         *
5260         * @deprecated this setting is no longer in use, as of the Ice Cream
5261         * Sandwich release. Apps should never need to read this setting directly,
5262         * instead can query the TextToSpeech framework classes for the
5263         * locale that is in use {@link TextToSpeech#getLanguage()}.
5264         */
5265        @Deprecated
5266        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5267
5268        /**
5269         * Stores the default tts locales on a per engine basis. Stored as
5270         * a comma seperated list of values, each value being of the form
5271         * {@code engine_name:locale} for example,
5272         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5273         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5274         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5275         * setting directly, and can query the TextToSpeech framework classes
5276         * for the locale that is in use.
5277         *
5278         * @hide
5279         */
5280        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5281
5282        /**
5283         * Space delimited list of plugin packages that are enabled.
5284         */
5285        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5286
5287        /**
5288         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5289         * instead.
5290         */
5291        @Deprecated
5292        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5293                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5294
5295        /**
5296         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5297         * instead.
5298         */
5299        @Deprecated
5300        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5301                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5302
5303        /**
5304         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5305         * instead.
5306         */
5307        @Deprecated
5308        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5309                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5310
5311        /**
5312         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5313         * instead.
5314         */
5315        @Deprecated
5316        public static final String WIFI_ON = Global.WIFI_ON;
5317
5318        /**
5319         * The acceptable packet loss percentage (range 0 - 100) before trying
5320         * another AP on the same network.
5321         * @deprecated This setting is not used.
5322         */
5323        @Deprecated
5324        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5325                "wifi_watchdog_acceptable_packet_loss_percentage";
5326
5327        /**
5328         * The number of access points required for a network in order for the
5329         * watchdog to monitor it.
5330         * @deprecated This setting is not used.
5331         */
5332        @Deprecated
5333        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5334
5335        /**
5336         * The delay between background checks.
5337         * @deprecated This setting is not used.
5338         */
5339        @Deprecated
5340        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5341                "wifi_watchdog_background_check_delay_ms";
5342
5343        /**
5344         * Whether the Wi-Fi watchdog is enabled for background checking even
5345         * after it thinks the user has connected to a good access point.
5346         * @deprecated This setting is not used.
5347         */
5348        @Deprecated
5349        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5350                "wifi_watchdog_background_check_enabled";
5351
5352        /**
5353         * The timeout for a background ping
5354         * @deprecated This setting is not used.
5355         */
5356        @Deprecated
5357        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5358                "wifi_watchdog_background_check_timeout_ms";
5359
5360        /**
5361         * The number of initial pings to perform that *may* be ignored if they
5362         * fail. Again, if these fail, they will *not* be used in packet loss
5363         * calculation. For example, one network always seemed to time out for
5364         * the first couple pings, so this is set to 3 by default.
5365         * @deprecated This setting is not used.
5366         */
5367        @Deprecated
5368        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5369            "wifi_watchdog_initial_ignored_ping_count";
5370
5371        /**
5372         * The maximum number of access points (per network) to attempt to test.
5373         * If this number is reached, the watchdog will no longer monitor the
5374         * initial connection state for the network. This is a safeguard for
5375         * networks containing multiple APs whose DNS does not respond to pings.
5376         * @deprecated This setting is not used.
5377         */
5378        @Deprecated
5379        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5380
5381        /**
5382         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5383         */
5384        @Deprecated
5385        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5386
5387        /**
5388         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5389         * @deprecated This setting is not used.
5390         */
5391        @Deprecated
5392        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5393
5394        /**
5395         * The number of pings to test if an access point is a good connection.
5396         * @deprecated This setting is not used.
5397         */
5398        @Deprecated
5399        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5400
5401        /**
5402         * The delay between pings.
5403         * @deprecated This setting is not used.
5404         */
5405        @Deprecated
5406        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5407
5408        /**
5409         * The timeout per ping.
5410         * @deprecated This setting is not used.
5411         */
5412        @Deprecated
5413        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5414
5415        /**
5416         * @deprecated Use
5417         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5418         */
5419        @Deprecated
5420        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5421
5422        /**
5423         * @deprecated Use
5424         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5425         */
5426        @Deprecated
5427        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5428                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5429
5430        /**
5431         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5432         * the receivers of the PendingIntent an opportunity to make a new network request before
5433         * the Network satisfying the request is potentially removed.
5434         *
5435         * @hide
5436         */
5437        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5438                "connectivity_release_pending_intent_delay_ms";
5439
5440        /**
5441         * Whether background data usage is allowed.
5442         *
5443         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5444         *             availability of background data depends on several
5445         *             combined factors. When background data is unavailable,
5446         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5447         *             now appear disconnected.
5448         */
5449        @Deprecated
5450        public static final String BACKGROUND_DATA = "background_data";
5451
5452        /**
5453         * Origins for which browsers should allow geolocation by default.
5454         * The value is a space-separated list of origins.
5455         */
5456        public static final String ALLOWED_GEOLOCATION_ORIGINS
5457                = "allowed_geolocation_origins";
5458
5459        /**
5460         * The preferred TTY mode     0 = TTy Off, CDMA default
5461         *                            1 = TTY Full
5462         *                            2 = TTY HCO
5463         *                            3 = TTY VCO
5464         * @hide
5465         */
5466        public static final String PREFERRED_TTY_MODE =
5467                "preferred_tty_mode";
5468
5469        /**
5470         * Whether the enhanced voice privacy mode is enabled.
5471         * 0 = normal voice privacy
5472         * 1 = enhanced voice privacy
5473         * @hide
5474         */
5475        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5476
5477        /**
5478         * Whether the TTY mode mode is enabled.
5479         * 0 = disabled
5480         * 1 = enabled
5481         * @hide
5482         */
5483        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5484
5485        /**
5486         * Controls whether settings backup is enabled.
5487         * Type: int ( 0 = disabled, 1 = enabled )
5488         * @hide
5489         */
5490        public static final String BACKUP_ENABLED = "backup_enabled";
5491
5492        /**
5493         * Controls whether application data is automatically restored from backup
5494         * at install time.
5495         * Type: int ( 0 = disabled, 1 = enabled )
5496         * @hide
5497         */
5498        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5499
5500        /**
5501         * Indicates whether settings backup has been fully provisioned.
5502         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5503         * @hide
5504         */
5505        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5506
5507        /**
5508         * Component of the transport to use for backup/restore.
5509         * @hide
5510         */
5511        public static final String BACKUP_TRANSPORT = "backup_transport";
5512
5513        /**
5514         * Version for which the setup wizard was last shown.  Bumped for
5515         * each release when there is new setup information to show.
5516         * @hide
5517         */
5518        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5519
5520        /**
5521         * The interval in milliseconds after which Wi-Fi is considered idle.
5522         * When idle, it is possible for the device to be switched from Wi-Fi to
5523         * the mobile data network.
5524         * @hide
5525         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5526         * instead.
5527         */
5528        @Deprecated
5529        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5530
5531        /**
5532         * The global search provider chosen by the user (if multiple global
5533         * search providers are installed). This will be the provider returned
5534         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5535         * installed. This setting is stored as a flattened component name as
5536         * per {@link ComponentName#flattenToString()}.
5537         *
5538         * @hide
5539         */
5540        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5541                "search_global_search_activity";
5542
5543        /**
5544         * The number of promoted sources in GlobalSearch.
5545         * @hide
5546         */
5547        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5548        /**
5549         * The maximum number of suggestions returned by GlobalSearch.
5550         * @hide
5551         */
5552        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5553        /**
5554         * The number of suggestions GlobalSearch will ask each non-web search source for.
5555         * @hide
5556         */
5557        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5558        /**
5559         * The number of suggestions the GlobalSearch will ask the web search source for.
5560         * @hide
5561         */
5562        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5563                "search_web_results_override_limit";
5564        /**
5565         * The number of milliseconds that GlobalSearch will wait for suggestions from
5566         * promoted sources before continuing with all other sources.
5567         * @hide
5568         */
5569        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5570                "search_promoted_source_deadline_millis";
5571        /**
5572         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5573         * @hide
5574         */
5575        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5576        /**
5577         * The maximum number of milliseconds that GlobalSearch shows the previous results
5578         * after receiving a new query.
5579         * @hide
5580         */
5581        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5582        /**
5583         * The maximum age of log data used for shortcuts in GlobalSearch.
5584         * @hide
5585         */
5586        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5587        /**
5588         * The maximum age of log data used for source ranking in GlobalSearch.
5589         * @hide
5590         */
5591        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5592                "search_max_source_event_age_millis";
5593        /**
5594         * The minimum number of impressions needed to rank a source in GlobalSearch.
5595         * @hide
5596         */
5597        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5598                "search_min_impressions_for_source_ranking";
5599        /**
5600         * The minimum number of clicks needed to rank a source in GlobalSearch.
5601         * @hide
5602         */
5603        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5604                "search_min_clicks_for_source_ranking";
5605        /**
5606         * The maximum number of shortcuts shown by GlobalSearch.
5607         * @hide
5608         */
5609        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5610        /**
5611         * The size of the core thread pool for suggestion queries in GlobalSearch.
5612         * @hide
5613         */
5614        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5615                "search_query_thread_core_pool_size";
5616        /**
5617         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5618         * @hide
5619         */
5620        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5621                "search_query_thread_max_pool_size";
5622        /**
5623         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5624         * @hide
5625         */
5626        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5627                "search_shortcut_refresh_core_pool_size";
5628        /**
5629         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5630         * @hide
5631         */
5632        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5633                "search_shortcut_refresh_max_pool_size";
5634        /**
5635         * The maximun time that excess threads in the GlobalSeach thread pools will
5636         * wait before terminating.
5637         * @hide
5638         */
5639        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5640                "search_thread_keepalive_seconds";
5641        /**
5642         * The maximum number of concurrent suggestion queries to each source.
5643         * @hide
5644         */
5645        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5646                "search_per_source_concurrent_query_limit";
5647
5648        /**
5649         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5650         * @hide
5651         */
5652        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5653
5654        /**
5655         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5656         * @hide
5657         */
5658        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5659
5660        /**
5661         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5662         * @hide
5663         */
5664        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5665
5666        /**
5667         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5668         * @hide
5669         */
5670        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5671
5672        /**
5673         * If nonzero, ANRs in invisible background processes bring up a dialog.
5674         * Otherwise, the process will be silently killed.
5675         * @hide
5676         */
5677        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5678
5679        /**
5680         * The {@link ComponentName} string of the service to be used as the voice recognition
5681         * service.
5682         *
5683         * @hide
5684         */
5685        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5686
5687        /**
5688         * Stores whether an user has consented to have apps verified through PAM.
5689         * The value is boolean (1 or 0).
5690         *
5691         * @hide
5692         */
5693        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5694            "package_verifier_user_consent";
5695
5696        /**
5697         * The {@link ComponentName} string of the selected spell checker service which is
5698         * one of the services managed by the text service manager.
5699         *
5700         * @hide
5701         */
5702        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5703
5704        /**
5705         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5706         * service which is one of the services managed by the text service manager.
5707         *
5708         * @hide
5709         */
5710        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5711                "selected_spell_checker_subtype";
5712
5713        /**
5714         * The {@link ComponentName} string whether spell checker is enabled or not.
5715         *
5716         * @hide
5717         */
5718        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5719
5720        /**
5721         * What happens when the user presses the Power button while in-call
5722         * and the screen is on.<br/>
5723         * <b>Values:</b><br/>
5724         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5725         * 2 - The Power button hangs up the current call.<br/>
5726         *
5727         * @hide
5728         */
5729        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5730
5731        /**
5732         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5733         * @hide
5734         */
5735        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5736
5737        /**
5738         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5739         * @hide
5740         */
5741        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5742
5743        /**
5744         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5745         * @hide
5746         */
5747        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5748                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5749
5750        /**
5751         * Whether the device should wake when the wake gesture sensor detects motion.
5752         * @hide
5753         */
5754        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5755
5756        /**
5757         * Whether the device should doze if configured.
5758         * @hide
5759         */
5760        public static final String DOZE_ENABLED = "doze_enabled";
5761
5762        /**
5763         * The current night mode that has been selected by the user.  Owned
5764         * and controlled by UiModeManagerService.  Constants are as per
5765         * UiModeManager.
5766         * @hide
5767         */
5768        public static final String UI_NIGHT_MODE = "ui_night_mode";
5769
5770        /**
5771         * Whether screensavers are enabled.
5772         * @hide
5773         */
5774        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5775
5776        /**
5777         * The user's chosen screensaver components.
5778         *
5779         * These will be launched by the PhoneWindowManager after a timeout when not on
5780         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5781         * @hide
5782         */
5783        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5784
5785        /**
5786         * If screensavers are enabled, whether the screensaver should be automatically launched
5787         * when the device is inserted into a (desk) dock.
5788         * @hide
5789         */
5790        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5791
5792        /**
5793         * If screensavers are enabled, whether the screensaver should be automatically launched
5794         * when the screen times out when not on battery.
5795         * @hide
5796         */
5797        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5798
5799        /**
5800         * If screensavers are enabled, the default screensaver component.
5801         * @hide
5802         */
5803        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5804
5805        /**
5806         * The default NFC payment component
5807         * @hide
5808         */
5809        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5810
5811        /**
5812         * Whether NFC payment is handled by the foreground application or a default.
5813         * @hide
5814         */
5815        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5816
5817        /**
5818         * Specifies the package name currently configured to be the primary sms application
5819         * @hide
5820         */
5821        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5822
5823        /**
5824         * Specifies the package name currently configured to be the default dialer application
5825         * @hide
5826         */
5827        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5828
5829        /**
5830         * Specifies the package name currently configured to be the emergency assistance application
5831         *
5832         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5833         *
5834         * @hide
5835         */
5836        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5837
5838        /**
5839         * Specifies whether the current app context on scren (assist data) will be sent to the
5840         * assist application (active voice interaction service).
5841         *
5842         * @hide
5843         */
5844        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5845
5846        /**
5847         * Specifies whether a screenshot of the screen contents will be sent to the assist
5848         * application (active voice interaction service).
5849         *
5850         * @hide
5851         */
5852        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5853
5854        /**
5855         * Names of the service components that the current user has explicitly allowed to
5856         * see all of the user's notifications, separated by ':'.
5857         *
5858         * @hide
5859         */
5860        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5861
5862        /**
5863         * Names of the packages that the current user has explicitly allowed to
5864         * manage notification policy configuration, separated by ':'.
5865         */
5866        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5867                "enabled_notification_policy_access_packages";
5868
5869        /** @hide */
5870        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5871
5872        /** @hide */
5873        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5874                = "volume_controller_service_component";
5875
5876        /** @hide */
5877        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5878
5879        /**
5880         * This is the query URI for finding a print service to install.
5881         *
5882         * @hide
5883         */
5884        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5885
5886        /**
5887         * This is the query URI for finding a NFC payment service to install.
5888         *
5889         * @hide
5890         */
5891        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5892
5893        /**
5894         * If enabled, apps should try to skip any introductory hints on first launch. This might
5895         * apply to users that are already familiar with the environment or temporary users.
5896         * <p>
5897         * Type : int (0 to show hints, 1 to skip showing hints)
5898         */
5899        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5900
5901        /**
5902         * Persisted playback time after a user confirmation of an unsafe volume level.
5903         *
5904         * @hide
5905         */
5906        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5907
5908        /**
5909         * This preference enables notification display on the lockscreen.
5910         * @hide
5911         */
5912        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5913                "lock_screen_show_notifications";
5914
5915        /**
5916         * List of TV inputs that are currently hidden. This is a string
5917         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5918         * {@link android.net.Uri#encode(String)} and separated by ':'.
5919         * @hide
5920         */
5921        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5922
5923        /**
5924         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5925         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5926         * and separated by ','. Each pair is separated by ':'.
5927         * @hide
5928         */
5929        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5930
5931        /**
5932         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5933         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5934         * and 0 means automatic routing is enabled.
5935         *
5936         * @hide
5937         */
5938        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5939                "usb_audio_automatic_routing_disabled";
5940
5941        /**
5942         * The timeout in milliseconds before the device fully goes to sleep after
5943         * a period of inactivity.  This value sets an upper bound on how long the device
5944         * will stay awake or dreaming without user activity.  It should generally
5945         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5946         * will sleep before it ever has a chance to dream.
5947         * <p>
5948         * Use -1 to disable this timeout.
5949         * </p>
5950         *
5951         * @hide
5952         */
5953        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5954
5955        /**
5956         * Controls whether double tap to wake is enabled.
5957         * @hide
5958         */
5959        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5960
5961        /**
5962         * The current assistant component. It could be a voice interaction service,
5963         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5964         * handling.
5965         *
5966         * @hide
5967         */
5968        public static final String ASSISTANT = "assistant";
5969
5970        /**
5971         * Whether the camera launch gesture should be disabled.
5972         *
5973         * @hide
5974         */
5975        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5976
5977        /**
5978         * Whether the camera launch gesture to double tap the power button when the screen is off
5979         * should be disabled.
5980         *
5981         * @hide
5982         */
5983        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5984                "camera_double_tap_power_gesture_disabled";
5985
5986        /**
5987
5988        /**
5989         * Behavior of twilight on the device.
5990         * One of {@link #TWILIGHT_MODE_LOCKED_OFF}, {@link #TWILIGHT_MODE_LOCKED_ON}
5991         * or {@link #TWILIGHT_MODE_AUTO}.
5992         * @hide
5993         */
5994        public static final String TWILIGHT_MODE = "twilight_mode";
5995
5996        /**
5997         * Twilight mode always off.
5998         * @hide
5999         */
6000        public static final int TWILIGHT_MODE_LOCKED_OFF = 0;
6001
6002        /**
6003         * Twilight mode always on.
6004         * @hide
6005         */
6006        public static final int TWILIGHT_MODE_LOCKED_ON = 1;
6007
6008        /**
6009         * Twilight mode auto.
6010         * @hide
6011         */
6012        public static final int TWILIGHT_MODE_AUTO = 2;
6013
6014        /**
6015         * Twilight mode auto, temporarily overriden to on.
6016         * @hide
6017         */
6018        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_OFF = 3;
6019
6020        /**
6021         * Twilight mode auto, temporarily overriden to off.
6022         * @hide
6023         */
6024        public static final int TWILIGHT_MODE_AUTO_OVERRIDE_ON = 4;
6025
6026        /**
6027         * Whether brightness should automatically adjust based on twilight state.
6028         * @hide
6029         */
6030        public static final String BRIGHTNESS_USE_TWILIGHT = "brightness_use_twilight";
6031
6032        /**
6033         * Names of the service components that the current user has explicitly allowed to
6034         * be a VR mode listener, separated by ':'.
6035         *
6036         * @hide
6037         */
6038        public static final String ENABLED_VR_LISTENERS = "enabled_vr_listeners";
6039
6040        /**
6041         * This are the settings to be backed up.
6042         *
6043         * NOTE: Settings are backed up and restored in the order they appear
6044         *       in this array. If you have one setting depending on another,
6045         *       make sure that they are ordered appropriately.
6046         *
6047         * @hide
6048         */
6049        public static final String[] SETTINGS_TO_BACKUP = {
6050            BUGREPORT_IN_POWER_MENU,                            // moved to global
6051            ALLOW_MOCK_LOCATION,
6052            PARENTAL_CONTROL_ENABLED,
6053            PARENTAL_CONTROL_REDIRECT_URL,
6054            USB_MASS_STORAGE_ENABLED,                           // moved to global
6055            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
6056            ACCESSIBILITY_DISPLAY_DALTONIZER,
6057            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
6058            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
6059            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
6060            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
6061            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
6062            ACCESSIBILITY_SCRIPT_INJECTION,
6063            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
6064            BACKUP_AUTO_RESTORE,
6065            ENABLED_ACCESSIBILITY_SERVICES,
6066            ENABLED_NOTIFICATION_LISTENERS,
6067            ENABLED_VR_LISTENERS,
6068            ENABLED_INPUT_METHODS,
6069            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
6070            TOUCH_EXPLORATION_ENABLED,
6071            ACCESSIBILITY_ENABLED,
6072            ACCESSIBILITY_SPEAK_PASSWORD,
6073            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
6074            ACCESSIBILITY_CAPTIONING_PRESET,
6075            ACCESSIBILITY_CAPTIONING_ENABLED,
6076            ACCESSIBILITY_CAPTIONING_LOCALE,
6077            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
6078            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
6079            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
6080            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
6081            ACCESSIBILITY_CAPTIONING_TYPEFACE,
6082            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
6083            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
6084            TTS_USE_DEFAULTS,
6085            TTS_DEFAULT_RATE,
6086            TTS_DEFAULT_PITCH,
6087            TTS_DEFAULT_SYNTH,
6088            TTS_DEFAULT_LANG,
6089            TTS_DEFAULT_COUNTRY,
6090            TTS_ENABLED_PLUGINS,
6091            TTS_DEFAULT_LOCALE,
6092            SHOW_IME_WITH_HARD_KEYBOARD,
6093            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
6094            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
6095            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
6096            SELECTED_SPELL_CHECKER,
6097            SELECTED_SPELL_CHECKER_SUBTYPE,
6098            SPELL_CHECKER_ENABLED,
6099            MOUNT_PLAY_NOTIFICATION_SND,
6100            MOUNT_UMS_AUTOSTART,
6101            MOUNT_UMS_PROMPT,
6102            MOUNT_UMS_NOTIFY_ENABLED,
6103            UI_NIGHT_MODE,
6104            SLEEP_TIMEOUT,
6105            DOUBLE_TAP_TO_WAKE,
6106            WAKE_GESTURE_ENABLED,
6107            LONG_PRESS_TIMEOUT,
6108            CAMERA_GESTURE_DISABLED,
6109            ACCESSIBILITY_AUTOCLICK_ENABLED,
6110            ACCESSIBILITY_AUTOCLICK_DELAY,
6111            ACCESSIBILITY_LARGE_POINTER_ICON,
6112            PREFERRED_TTY_MODE,
6113            ENHANCED_VOICE_PRIVACY_ENABLED,
6114            TTY_MODE_ENABLED,
6115            INCALL_POWER_BUTTON_BEHAVIOR
6116        };
6117
6118        /**
6119         * These entries are considered common between the personal and the managed profile,
6120         * since the managed profile doesn't get to change them.
6121         */
6122        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
6123
6124        static {
6125            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
6126            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
6127            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
6128            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
6129            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
6130            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
6131            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
6132            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
6133            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
6134            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
6135            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
6136            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
6137        }
6138
6139        /** @hide */
6140        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
6141            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6142        }
6143
6144        /**
6145         * Helper method for determining if a location provider is enabled.
6146         *
6147         * @param cr the content resolver to use
6148         * @param provider the location provider to query
6149         * @return true if the provider is enabled
6150         *
6151         * @deprecated use {@link #LOCATION_MODE} or
6152         *             {@link LocationManager#isProviderEnabled(String)}
6153         */
6154        @Deprecated
6155        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6156            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6157        }
6158
6159        /**
6160         * Helper method for determining if a location provider is enabled.
6161         * @param cr the content resolver to use
6162         * @param provider the location provider to query
6163         * @param userId the userId to query
6164         * @return true if the provider is enabled
6165         * @deprecated use {@link #LOCATION_MODE} or
6166         *             {@link LocationManager#isProviderEnabled(String)}
6167         * @hide
6168         */
6169        @Deprecated
6170        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6171            String allowedProviders = Settings.Secure.getStringForUser(cr,
6172                    LOCATION_PROVIDERS_ALLOWED, userId);
6173            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6174        }
6175
6176        /**
6177         * Thread-safe method for enabling or disabling a single location provider.
6178         * @param cr the content resolver to use
6179         * @param provider the location provider to enable or disable
6180         * @param enabled true if the provider should be enabled
6181         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6182         */
6183        @Deprecated
6184        public static final void setLocationProviderEnabled(ContentResolver cr,
6185                String provider, boolean enabled) {
6186            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6187        }
6188
6189        /**
6190         * Thread-safe method for enabling or disabling a single location provider.
6191         *
6192         * @param cr the content resolver to use
6193         * @param provider the location provider to enable or disable
6194         * @param enabled true if the provider should be enabled
6195         * @param userId the userId for which to enable/disable providers
6196         * @return true if the value was set, false on database errors
6197         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6198         *             {@link #LOCATION_MODE}
6199         * @hide
6200         */
6201        @Deprecated
6202        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6203                String provider, boolean enabled, int userId) {
6204            synchronized (mLocationSettingsLock) {
6205                // to ensure thread safety, we write the provider name with a '+' or '-'
6206                // and let the SettingsProvider handle it rather than reading and modifying
6207                // the list of enabled providers.
6208                if (enabled) {
6209                    provider = "+" + provider;
6210                } else {
6211                    provider = "-" + provider;
6212                }
6213                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6214                        userId);
6215            }
6216        }
6217
6218        /**
6219         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6220         */
6221        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6222            final int mode = getLocationModeForUser(cr, userId);
6223            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6224        }
6225
6226        /**
6227         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6228         */
6229        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6230            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6231                    LOCATION_MODE_HIGH_ACCURACY, userId);
6232            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6233            // turn on location any longer.
6234            if (mode == LOCATION_MODE_OFF) {
6235                mode = LOCATION_MODE_HIGH_ACCURACY;
6236            }
6237            return setLocationModeForUser(cr, mode, userId);
6238        }
6239
6240        /**
6241         * Thread-safe method for setting the location mode to one of
6242         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6243         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6244         *
6245         * @param cr the content resolver to use
6246         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6247         * @param userId the userId for which to change mode
6248         * @return true if the value was set, false on database errors
6249         *
6250         * @throws IllegalArgumentException if mode is not one of the supported values
6251         */
6252        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6253                int userId) {
6254            synchronized (mLocationSettingsLock) {
6255                boolean gps = false;
6256                boolean network = false;
6257                switch (mode) {
6258                    case LOCATION_MODE_PREVIOUS:
6259                        // Retrieve the actual mode and set to that mode.
6260                        return restoreLocationModeForUser(cr, userId);
6261                    case LOCATION_MODE_OFF:
6262                        saveLocationModeForUser(cr, userId);
6263                        break;
6264                    case LOCATION_MODE_SENSORS_ONLY:
6265                        gps = true;
6266                        break;
6267                    case LOCATION_MODE_BATTERY_SAVING:
6268                        network = true;
6269                        break;
6270                    case LOCATION_MODE_HIGH_ACCURACY:
6271                        gps = true;
6272                        network = true;
6273                        break;
6274                    default:
6275                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6276                }
6277                // Note it's important that we set the NLP mode first. The Google implementation
6278                // of NLP clears its NLP consent setting any time it receives a
6279                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6280                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6281                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6282                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6283                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6284                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6285                // dialog. Then the people who wrote the setup wizard would be sad.
6286                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6287                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6288                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6289                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6290                return gpsSuccess && nlpSuccess;
6291            }
6292        }
6293
6294        /**
6295         * Thread-safe method for reading the location mode, returns one of
6296         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6297         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6298         *
6299         * @param cr the content resolver to use
6300         * @param userId the userId for which to read the mode
6301         * @return the location mode
6302         */
6303        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6304            synchronized (mLocationSettingsLock) {
6305                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6306                        cr, LocationManager.GPS_PROVIDER, userId);
6307                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6308                        cr, LocationManager.NETWORK_PROVIDER, userId);
6309                if (gpsEnabled && networkEnabled) {
6310                    return LOCATION_MODE_HIGH_ACCURACY;
6311                } else if (gpsEnabled) {
6312                    return LOCATION_MODE_SENSORS_ONLY;
6313                } else if (networkEnabled) {
6314                    return LOCATION_MODE_BATTERY_SAVING;
6315                } else {
6316                    return LOCATION_MODE_OFF;
6317                }
6318            }
6319        }
6320    }
6321
6322    /**
6323     * Global system settings, containing preferences that always apply identically
6324     * to all defined users.  Applications can read these but are not allowed to write;
6325     * like the "Secure" settings, these are for preferences that the user must
6326     * explicitly modify through the system UI or specialized APIs for those values.
6327     */
6328    public static final class Global extends NameValueTable {
6329        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6330
6331        /**
6332         * The content:// style URL for global secure settings items.  Not public.
6333         */
6334        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6335
6336        /**
6337         * Whether users are allowed to add more users or guest from lockscreen.
6338         * <p>
6339         * Type: int
6340         * @hide
6341         */
6342        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6343
6344        /**
6345         * Setting whether the global gesture for enabling accessibility is enabled.
6346         * If this gesture is enabled the user will be able to perfrom it to enable
6347         * the accessibility state without visiting the settings app.
6348         * @hide
6349         */
6350        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6351                "enable_accessibility_global_gesture_enabled";
6352
6353        /**
6354         * Whether Airplane Mode is on.
6355         */
6356        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6357
6358        /**
6359         * Whether Theater Mode is on.
6360         * {@hide}
6361         */
6362        @SystemApi
6363        public static final String THEATER_MODE_ON = "theater_mode_on";
6364
6365        /**
6366         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6367         */
6368        public static final String RADIO_BLUETOOTH = "bluetooth";
6369
6370        /**
6371         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6372         */
6373        public static final String RADIO_WIFI = "wifi";
6374
6375        /**
6376         * {@hide}
6377         */
6378        public static final String RADIO_WIMAX = "wimax";
6379        /**
6380         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6381         */
6382        public static final String RADIO_CELL = "cell";
6383
6384        /**
6385         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6386         */
6387        public static final String RADIO_NFC = "nfc";
6388
6389        /**
6390         * A comma separated list of radios that need to be disabled when airplane mode
6391         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6392         * included in the comma separated list.
6393         */
6394        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6395
6396        /**
6397         * A comma separated list of radios that should to be disabled when airplane mode
6398         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6399         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6400         * will be turned off when entering airplane mode, but the user will be able to reenable
6401         * Wifi in the Settings app.
6402         *
6403         * {@hide}
6404         */
6405        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6406
6407        /**
6408         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6409         * See {@link android.bluetooth.BluetoothProfile}.
6410         * {@hide}
6411         */
6412        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6413
6414        /**
6415         * A semi-colon separated list of Bluetooth interoperability workarounds.
6416         * Each entry is a partial Bluetooth device address string and an integer representing
6417         * the feature to be disabled, separated by a comma. The integer must correspond
6418         * to a interoperability feature as defined in "interop.h" in /system/bt.
6419         * <p>
6420         * Example: <br/>
6421         *   "00:11:22,0;01:02:03:04,2"
6422         * @hide
6423         */
6424       public static final String BLUETOOTH_INTEROPERABILITY_LIST = "bluetooth_interoperability_list";
6425
6426        /**
6427         * The policy for deciding when Wi-Fi should go to sleep (which will in
6428         * turn switch to using the mobile data as an Internet connection).
6429         * <p>
6430         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6431         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6432         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6433         */
6434        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6435
6436        /**
6437         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6438         * policy, which is to sleep shortly after the turning off
6439         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6440         */
6441        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6442
6443        /**
6444         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6445         * the device is on battery, and never go to sleep when the device is
6446         * plugged in.
6447         */
6448        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6449
6450        /**
6451         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6452         */
6453        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6454
6455        /**
6456         * Value to specify if the user prefers the date, time and time zone
6457         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6458         */
6459        public static final String AUTO_TIME = "auto_time";
6460
6461        /**
6462         * Value to specify if the user prefers the time zone
6463         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6464         */
6465        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6466
6467        /**
6468         * URI for the car dock "in" event sound.
6469         * @hide
6470         */
6471        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6472
6473        /**
6474         * URI for the car dock "out" event sound.
6475         * @hide
6476         */
6477        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6478
6479        /**
6480         * URI for the desk dock "in" event sound.
6481         * @hide
6482         */
6483        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6484
6485        /**
6486         * URI for the desk dock "out" event sound.
6487         * @hide
6488         */
6489        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6490
6491        /**
6492         * Whether to play a sound for dock events.
6493         * @hide
6494         */
6495        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6496
6497        /**
6498         * URI for the "device locked" (keyguard shown) sound.
6499         * @hide
6500         */
6501        public static final String LOCK_SOUND = "lock_sound";
6502
6503        /**
6504         * URI for the "device unlocked" sound.
6505         * @hide
6506         */
6507        public static final String UNLOCK_SOUND = "unlock_sound";
6508
6509        /**
6510         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6511         * state without unlocking.
6512         * @hide
6513         */
6514        public static final String TRUSTED_SOUND = "trusted_sound";
6515
6516        /**
6517         * URI for the low battery sound file.
6518         * @hide
6519         */
6520        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6521
6522        /**
6523         * Whether to play a sound for low-battery alerts.
6524         * @hide
6525         */
6526        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6527
6528        /**
6529         * URI for the "wireless charging started" sound.
6530         * @hide
6531         */
6532        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6533                "wireless_charging_started_sound";
6534
6535        /**
6536         * Whether to play a sound for charging events.
6537         * @hide
6538         */
6539        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6540
6541        /**
6542         * Whether we keep the device on while the device is plugged in.
6543         * Supported values are:
6544         * <ul>
6545         * <li>{@code 0} to never stay on while plugged in</li>
6546         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6547         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6548         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6549         * </ul>
6550         * These values can be OR-ed together.
6551         */
6552        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6553
6554        /**
6555         * When the user has enable the option to have a "bug report" command
6556         * in the power menu.
6557         * @hide
6558         */
6559        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6560
6561        /**
6562         * Whether ADB is enabled.
6563         */
6564        public static final String ADB_ENABLED = "adb_enabled";
6565
6566        /**
6567         * Whether Views are allowed to save their attribute data.
6568         * @hide
6569         */
6570        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6571
6572        /**
6573         * Whether assisted GPS should be enabled or not.
6574         * @hide
6575         */
6576        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6577
6578        /**
6579         * Whether bluetooth is enabled/disabled
6580         * 0=disabled. 1=enabled.
6581         */
6582        public static final String BLUETOOTH_ON = "bluetooth_on";
6583
6584        /**
6585         * CDMA Cell Broadcast SMS
6586         *                            0 = CDMA Cell Broadcast SMS disabled
6587         *                            1 = CDMA Cell Broadcast SMS enabled
6588         * @hide
6589         */
6590        public static final String CDMA_CELL_BROADCAST_SMS =
6591                "cdma_cell_broadcast_sms";
6592
6593        /**
6594         * The CDMA roaming mode 0 = Home Networks, CDMA default
6595         *                       1 = Roaming on Affiliated networks
6596         *                       2 = Roaming on any networks
6597         * @hide
6598         */
6599        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6600
6601        /**
6602         * The CDMA subscription mode 0 = RUIM/SIM (default)
6603         *                                1 = NV
6604         * @hide
6605         */
6606        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6607
6608        /** Inactivity timeout to track mobile data activity.
6609        *
6610        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6611        * infer the data activity of mobile network. After a period of no activity on mobile
6612        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6613        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6614        * subsequent activity on mobile networks triggers the firing of {@code
6615        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6616        *
6617        * Network activity refers to transmitting or receiving data on the network interfaces.
6618        *
6619        * Tracking is disabled if set to zero or negative value.
6620        *
6621        * @hide
6622        */
6623       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6624
6625       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6626        * but for Wifi network.
6627        * @hide
6628        */
6629       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6630
6631       /**
6632        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6633        */
6634       public static final String DATA_ROAMING = "data_roaming";
6635
6636       /**
6637        * The value passed to a Mobile DataConnection via bringUp which defines the
6638        * number of retries to preform when setting up the initial connection. The default
6639        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6640        * @hide
6641        */
6642       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6643
6644       /**
6645        * Whether any package can be on external storage. When this is true, any
6646        * package, regardless of manifest values, is a candidate for installing
6647        * or moving onto external storage. (0 = false, 1 = true)
6648        * @hide
6649        */
6650       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6651
6652        /**
6653         * Whether any activity can be resized. When this is true, any
6654         * activity, regardless of manifest values, can be resized for multi-window.
6655         * (0 = false, 1 = true)
6656         * @hide
6657         */
6658        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6659                = "force_resizable_activities";
6660
6661        /**
6662         * Whether to enable experimental freeform support for windows.
6663         * @hide
6664         */
6665        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6666                = "enable_freeform_support";
6667
6668       /**
6669        * Whether user has enabled development settings.
6670        */
6671       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6672
6673       /**
6674        * Whether the device has been provisioned (0 = false, 1 = true).
6675        * <p>On a multiuser device with a separate system user, the screen may be locked
6676        * as soon as this is set to true and further activities cannot be launched on the
6677        * system user unless they are marked to show over keyguard.
6678        */
6679       public static final String DEVICE_PROVISIONED = "device_provisioned";
6680
6681       /**
6682        * The saved value for WindowManagerService.setForcedDisplaySize().
6683        * Two integers separated by a comma.  If unset, then use the real display size.
6684        * @hide
6685        */
6686       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6687
6688       /**
6689        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6690        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6691        * @hide
6692        */
6693       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6694
6695       /**
6696        * The maximum size, in bytes, of a download that the download manager will transfer over
6697        * a non-wifi connection.
6698        * @hide
6699        */
6700       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6701               "download_manager_max_bytes_over_mobile";
6702
6703       /**
6704        * The recommended maximum size, in bytes, of a download that the download manager should
6705        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6706        * have the option to start the download over the mobile connection anyway.
6707        * @hide
6708        */
6709       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6710               "download_manager_recommended_max_bytes_over_mobile";
6711
6712       /**
6713        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6714        */
6715       @Deprecated
6716       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6717
6718       /**
6719        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6720        * sent or processed. (0 = false, 1 = true)
6721        * @hide
6722        */
6723       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6724
6725       /**
6726        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6727        * and the output is redirected to AV Receiver connected via
6728        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6729        * @hide
6730        */
6731       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6732
6733       /**
6734        * Whether TV will automatically turn on upon reception of the CEC command
6735        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6736        * @hide
6737        */
6738       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6739               "hdmi_control_auto_wakeup_enabled";
6740
6741       /**
6742        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6743        * (0 = false, 1 = true)
6744        * @hide
6745        */
6746       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6747               "hdmi_control_auto_device_off_enabled";
6748
6749       /**
6750        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6751        * client.
6752        * (0 = false, 1 = true)
6753        * @hide
6754        */
6755       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6756
6757       /**
6758        * Whether TV will switch to MHL port when a mobile device is plugged in.
6759        * (0 = false, 1 = true)
6760        * @hide
6761        */
6762       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6763
6764       /**
6765        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6766        * @hide
6767        */
6768       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6769
6770       /**
6771        * Whether mobile data connections are allowed by the user.  See
6772        * ConnectivityManager for more info.
6773        * @hide
6774        */
6775       public static final String MOBILE_DATA = "mobile_data";
6776
6777       /**
6778        * Whether the mobile data connection should remain active even when higher
6779        * priority networks like WiFi are active, to help make network switching faster.
6780        *
6781        * See ConnectivityService for more info.
6782        *
6783        * (0 = disabled, 1 = enabled)
6784        * @hide
6785        */
6786       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6787
6788       /** {@hide} */
6789       public static final String NETSTATS_ENABLED = "netstats_enabled";
6790       /** {@hide} */
6791       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6792       /** {@hide} */
6793       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6794       /** {@hide} */
6795       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6796       /** {@hide} */
6797       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6798
6799       /** {@hide} */
6800       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6801       /** {@hide} */
6802       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6803       /** {@hide} */
6804       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6805       /** {@hide} */
6806       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6807
6808       /** {@hide} */
6809       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6810       /** {@hide} */
6811       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6812       /** {@hide} */
6813       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6814       /** {@hide} */
6815       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6816
6817       /** {@hide} */
6818       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6819       /** {@hide} */
6820       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6821       /** {@hide} */
6822       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6823       /** {@hide} */
6824       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6825
6826       /**
6827        * User preference for which network(s) should be used. Only the
6828        * connectivity service should touch this.
6829        */
6830       public static final String NETWORK_PREFERENCE = "network_preference";
6831
6832       /**
6833        * Which package name to use for network scoring. If null, or if the package is not a valid
6834        * scorer app, external network scores will neither be requested nor accepted.
6835        * @hide
6836        */
6837       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6838
6839       /**
6840        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6841        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6842        * exceeded.
6843        * @hide
6844        */
6845       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6846
6847       /**
6848        * The length of time in milli-seconds that automatic small adjustments to
6849        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6850        * @hide
6851        */
6852       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6853
6854       /** Preferred NTP server. {@hide} */
6855       public static final String NTP_SERVER = "ntp_server";
6856       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6857       public static final String NTP_TIMEOUT = "ntp_timeout";
6858
6859       /** {@hide} */
6860       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6861
6862       /**
6863        * Whether to disable the automatic scheduling of system updates.
6864        * 1 = system updates won't be automatically scheduled (will always
6865        * present notification instead).
6866        * 0 = system updates will be automatically scheduled. (default)
6867        * @hide
6868        */
6869       @SystemApi
6870       public static final String OTA_DISABLE_AUTOMATIC_UPDATE = "ota_disable_automatic_update";
6871
6872       /**
6873        * Whether the package manager should send package verification broadcasts for verifiers to
6874        * review apps prior to installation.
6875        * 1 = request apps to be verified prior to installation, if a verifier exists.
6876        * 0 = do not verify apps before installation
6877        * @hide
6878        */
6879       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6880
6881       /** Timeout for package verification.
6882        * @hide */
6883       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6884
6885       /** Default response code for package verification.
6886        * @hide */
6887       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6888
6889       /**
6890        * Show package verification setting in the Settings app.
6891        * 1 = show (default)
6892        * 0 = hide
6893        * @hide
6894        */
6895       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6896
6897       /**
6898        * Run package verification on apps installed through ADB/ADT/USB
6899        * 1 = perform package verification on ADB installs (default)
6900        * 0 = bypass package verification on ADB installs
6901        * @hide
6902        */
6903       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6904
6905       /**
6906        * Time since last fstrim (milliseconds) after which we force one to happen
6907        * during device startup.  If unset, the default is 3 days.
6908        * @hide
6909        */
6910       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6911
6912       /**
6913        * The interval in milliseconds at which to check packet counts on the
6914        * mobile data interface when screen is on, to detect possible data
6915        * connection problems.
6916        * @hide
6917        */
6918       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6919               "pdp_watchdog_poll_interval_ms";
6920
6921       /**
6922        * The interval in milliseconds at which to check packet counts on the
6923        * mobile data interface when screen is off, to detect possible data
6924        * connection problems.
6925        * @hide
6926        */
6927       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6928               "pdp_watchdog_long_poll_interval_ms";
6929
6930       /**
6931        * The interval in milliseconds at which to check packet counts on the
6932        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6933        * outgoing packets has been reached without incoming packets.
6934        * @hide
6935        */
6936       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6937               "pdp_watchdog_error_poll_interval_ms";
6938
6939       /**
6940        * The number of outgoing packets sent without seeing an incoming packet
6941        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6942        * device is logged to the event log
6943        * @hide
6944        */
6945       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6946               "pdp_watchdog_trigger_packet_count";
6947
6948       /**
6949        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6950        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6951        * attempting data connection recovery.
6952        * @hide
6953        */
6954       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6955               "pdp_watchdog_error_poll_count";
6956
6957       /**
6958        * The number of failed PDP reset attempts before moving to something more
6959        * drastic: re-registering to the network.
6960        * @hide
6961        */
6962       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6963               "pdp_watchdog_max_pdp_reset_fail_count";
6964
6965       /**
6966        * A positive value indicates how often the SamplingProfiler
6967        * should take snapshots. Zero value means SamplingProfiler
6968        * is disabled.
6969        *
6970        * @hide
6971        */
6972       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6973
6974       /**
6975        * URL to open browser on to allow user to manage a prepay account
6976        * @hide
6977        */
6978       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6979               "setup_prepaid_data_service_url";
6980
6981       /**
6982        * URL to attempt a GET on to see if this is a prepay device
6983        * @hide
6984        */
6985       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6986               "setup_prepaid_detection_target_url";
6987
6988       /**
6989        * Host to check for a redirect to after an attempt to GET
6990        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6991        * this is a prepaid device with zero balance.)
6992        * @hide
6993        */
6994       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6995               "setup_prepaid_detection_redir_host";
6996
6997       /**
6998        * The interval in milliseconds at which to check the number of SMS sent out without asking
6999        * for use permit, to limit the un-authorized SMS usage.
7000        *
7001        * @hide
7002        */
7003       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
7004               "sms_outgoing_check_interval_ms";
7005
7006       /**
7007        * The number of outgoing SMS sent without asking for user permit (of {@link
7008        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
7009        *
7010        * @hide
7011        */
7012       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
7013               "sms_outgoing_check_max_count";
7014
7015       /**
7016        * Used to disable SMS short code confirmation - defaults to true.
7017        * True indcates we will do the check, etc.  Set to false to disable.
7018        * @see com.android.internal.telephony.SmsUsageMonitor
7019        * @hide
7020        */
7021       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
7022
7023        /**
7024         * Used to select which country we use to determine premium sms codes.
7025         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
7026         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
7027         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
7028         * @hide
7029         */
7030        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
7031
7032       /**
7033        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
7034        * @hide
7035        */
7036       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
7037
7038       /**
7039        * Used to disable Tethering on a device - defaults to true
7040        * @hide
7041        */
7042       public static final String TETHER_SUPPORTED = "tether_supported";
7043
7044       /**
7045        * Used to require DUN APN on the device or not - defaults to a build config value
7046        * which defaults to false
7047        * @hide
7048        */
7049       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
7050
7051       /**
7052        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
7053        * corresponding build config values are set it will override the APN DB
7054        * values.
7055        * Consists of a comma seperated list of strings:
7056        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
7057        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
7058        * @hide
7059        */
7060       public static final String TETHER_DUN_APN = "tether_dun_apn";
7061
7062       /**
7063        * List of carrier apps which are whitelisted to prompt the user for install when
7064        * a sim card with matching uicc carrier privilege rules is inserted.
7065        *
7066        * The value is "package1;package2;..."
7067        * @hide
7068        */
7069       public static final String CARRIER_APP_WHITELIST = "carrier_app_whitelist";
7070
7071       /**
7072        * USB Mass Storage Enabled
7073        */
7074       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
7075
7076       /**
7077        * If this setting is set (to anything), then all references
7078        * to Gmail on the device must change to Google Mail.
7079        */
7080       public static final String USE_GOOGLE_MAIL = "use_google_mail";
7081
7082        /**
7083         * Webview Data reduction proxy key.
7084         * @hide
7085         */
7086        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
7087                "webview_data_reduction_proxy_key";
7088
7089        /**
7090         * Whether or not the WebView fallback mechanism should be enabled.
7091         * 0=disabled, 1=enabled.
7092         * @hide
7093         */
7094        public static final String WEBVIEW_FALLBACK_LOGIC_ENABLED =
7095                "webview_fallback_logic_enabled";
7096
7097        /**
7098         * Name of the package used as WebView provider (if unset the provider is instead determined
7099         * by the system).
7100         * @hide
7101         */
7102        public static final String WEBVIEW_PROVIDER = "webview_provider";
7103
7104        /**
7105         * Developer setting to enable WebView multiprocess rendering.
7106         * @hide
7107         */
7108        @SystemApi
7109        public static final String WEBVIEW_MULTIPROCESS = "webview_multiprocess";
7110
7111       /**
7112        * Whether Wifi display is enabled/disabled
7113        * 0=disabled. 1=enabled.
7114        * @hide
7115        */
7116       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
7117
7118       /**
7119        * Whether Wifi display certification mode is enabled/disabled
7120        * 0=disabled. 1=enabled.
7121        * @hide
7122        */
7123       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
7124               "wifi_display_certification_on";
7125
7126       /**
7127        * WPS Configuration method used by Wifi display, this setting only
7128        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
7129        *
7130        * Possible values are:
7131        *
7132        * WpsInfo.INVALID: use default WPS method chosen by framework
7133        * WpsInfo.PBC    : use Push button
7134        * WpsInfo.KEYPAD : use Keypad
7135        * WpsInfo.DISPLAY: use Display
7136        * @hide
7137        */
7138       public static final String WIFI_DISPLAY_WPS_CONFIG =
7139           "wifi_display_wps_config";
7140
7141       /**
7142        * Whether to notify the user of open networks.
7143        * <p>
7144        * If not connected and the scan results have an open network, we will
7145        * put this notification up. If we attempt to connect to a network or
7146        * the open network(s) disappear, we remove the notification. When we
7147        * show the notification, we will not show it again for
7148        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
7149        */
7150       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7151               "wifi_networks_available_notification_on";
7152       /**
7153        * {@hide}
7154        */
7155       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
7156               "wimax_networks_available_notification_on";
7157
7158       /**
7159        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
7160        * Connecting to a network will reset the timer.
7161        */
7162       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
7163               "wifi_networks_available_repeat_delay";
7164
7165       /**
7166        * 802.11 country code in ISO 3166 format
7167        * @hide
7168        */
7169       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
7170
7171       /**
7172        * The interval in milliseconds to issue wake up scans when wifi needs
7173        * to connect. This is necessary to connect to an access point when
7174        * device is on the move and the screen is off.
7175        * @hide
7176        */
7177       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
7178               "wifi_framework_scan_interval_ms";
7179
7180       /**
7181        * The interval in milliseconds after which Wi-Fi is considered idle.
7182        * When idle, it is possible for the device to be switched from Wi-Fi to
7183        * the mobile data network.
7184        * @hide
7185        */
7186       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
7187
7188       /**
7189        * When the number of open networks exceeds this number, the
7190        * least-recently-used excess networks will be removed.
7191        */
7192       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
7193
7194       /**
7195        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7196        */
7197       public static final String WIFI_ON = "wifi_on";
7198
7199       /**
7200        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7201        * @hide
7202        */
7203       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7204                "wifi_scan_always_enabled";
7205
7206       /**
7207        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7208        * connectivity.
7209        * @hide
7210        */
7211       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7212               "ble_scan_always_enabled";
7213
7214       /**
7215        * Used to save the Wifi_ON state prior to tethering.
7216        * This state will be checked to restore Wifi after
7217        * the user turns off tethering.
7218        *
7219        * @hide
7220        */
7221       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7222
7223       /**
7224        * The interval in milliseconds to scan as used by the wifi supplicant
7225        * @hide
7226        */
7227       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7228               "wifi_supplicant_scan_interval_ms";
7229
7230        /**
7231         * whether frameworks handles wifi auto-join
7232         * @hide
7233         */
7234       public static final String WIFI_ENHANCED_AUTO_JOIN =
7235                "wifi_enhanced_auto_join";
7236
7237        /**
7238         * whether settings show RSSI
7239         * @hide
7240         */
7241        public static final String WIFI_NETWORK_SHOW_RSSI =
7242                "wifi_network_show_rssi";
7243
7244        /**
7245        * The interval in milliseconds to scan at supplicant when p2p is connected
7246        * @hide
7247        */
7248       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7249               "wifi_scan_interval_p2p_connected_ms";
7250
7251       /**
7252        * Whether the Wi-Fi watchdog is enabled.
7253        */
7254       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7255
7256       /**
7257        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7258        * the setting needs to be set to 0 to disable it.
7259        * @hide
7260        */
7261       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7262               "wifi_watchdog_poor_network_test_enabled";
7263
7264       /**
7265        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7266        * needs to be set to 0 to disable it.
7267        * @hide
7268        */
7269       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7270               "wifi_suspend_optimizations_enabled";
7271
7272       /**
7273        * The maximum number of times we will retry a connection to an access
7274        * point for which we have failed in acquiring an IP address from DHCP.
7275        * A value of N means that we will make N+1 connection attempts in all.
7276        */
7277       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7278
7279       /**
7280        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7281        * data connectivity to be established after a disconnect from Wi-Fi.
7282        */
7283       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7284           "wifi_mobile_data_transition_wakelock_timeout_ms";
7285
7286       /**
7287        * This setting controls whether WiFi configurations created by a Device Owner app
7288        * should be locked down (that is, be editable or removable only by the Device Owner App,
7289        * not even by Settings app).
7290        * This setting takes integer values. Non-zero values mean DO created configurations
7291        * are locked down. Value of zero means they are not. Default value in the absence of
7292        * actual value to this setting is 0.
7293        */
7294       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7295               "wifi_device_owner_configs_lockdown";
7296
7297       /**
7298        * The operational wifi frequency band
7299        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7300        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7301        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7302        *
7303        * @hide
7304        */
7305       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7306
7307       /**
7308        * The Wi-Fi peer-to-peer device name
7309        * @hide
7310        */
7311       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7312
7313       /**
7314        * The min time between wifi disable and wifi enable
7315        * @hide
7316        */
7317       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7318
7319       /**
7320        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7321        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7322        * has been seen in this time period.
7323        *
7324        * If this is less than or equal to zero, we use a more conservative behavior and only check
7325        * for a non-null score from the currently connected or target BSSID.
7326        * @hide
7327        */
7328       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7329               "wifi_ephemeral_out_of_range_timeout_ms";
7330
7331       /**
7332        * The number of milliseconds to delay when checking for data stalls during
7333        * non-aggressive detection. (screen is turned off.)
7334        * @hide
7335        */
7336       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7337               "data_stall_alarm_non_aggressive_delay_in_ms";
7338
7339       /**
7340        * The number of milliseconds to delay when checking for data stalls during
7341        * aggressive detection. (screen on or suspected data stall)
7342        * @hide
7343        */
7344       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7345               "data_stall_alarm_aggressive_delay_in_ms";
7346
7347       /**
7348        * The number of milliseconds to allow the provisioning apn to remain active
7349        * @hide
7350        */
7351       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7352               "provisioning_apn_alarm_delay_in_ms";
7353
7354       /**
7355        * The interval in milliseconds at which to check gprs registration
7356        * after the first registration mismatch of gprs and voice service,
7357        * to detect possible data network registration problems.
7358        *
7359        * @hide
7360        */
7361       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7362               "gprs_register_check_period_ms";
7363
7364       /**
7365        * Nonzero causes Log.wtf() to crash.
7366        * @hide
7367        */
7368       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7369
7370       /**
7371        * Ringer mode. This is used internally, changing this value will not
7372        * change the ringer mode. See AudioManager.
7373        */
7374       public static final String MODE_RINGER = "mode_ringer";
7375
7376       /**
7377        * Overlay display devices setting.
7378        * The associated value is a specially formatted string that describes the
7379        * size and density of simulated secondary display devices.
7380        * <p>
7381        * Format: {width}x{height}/{dpi};...
7382        * </p><p>
7383        * Example:
7384        * <ul>
7385        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7386        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7387        * at 1080p and the second at 720p.</li>
7388        * <li>If the value is empty, then no overlay display devices are created.</li>
7389        * </ul></p>
7390        *
7391        * @hide
7392        */
7393       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7394
7395        /**
7396         * Threshold values for the duration and level of a discharge cycle,
7397         * under which we log discharge cycle info.
7398         *
7399         * @hide
7400         */
7401        public static final String
7402                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7403
7404        /** @hide */
7405        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7406
7407        /**
7408         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7409         * intents on application crashes and ANRs. If this is disabled, the
7410         * crash/ANR dialog will never display the "Report" button.
7411         * <p>
7412         * Type: int (0 = disallow, 1 = allow)
7413         *
7414         * @hide
7415         */
7416        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7417
7418        /**
7419         * Maximum age of entries kept by {@link DropBoxManager}.
7420         *
7421         * @hide
7422         */
7423        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7424
7425        /**
7426         * Maximum number of entry files which {@link DropBoxManager} will keep
7427         * around.
7428         *
7429         * @hide
7430         */
7431        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7432
7433        /**
7434         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7435         * what.
7436         *
7437         * @hide
7438         */
7439        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7440
7441        /**
7442         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7443         * will use.
7444         *
7445         * @hide
7446         */
7447        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7448
7449        /**
7450         * Percent of total disk which {@link DropBoxManager} will never dip
7451         * into.
7452         *
7453         * @hide
7454         */
7455        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7456
7457        /**
7458         * Prefix for per-tag dropbox disable/enable settings.
7459         *
7460         * @hide
7461         */
7462        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7463
7464        /**
7465         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7466         * prefix of the dropbox tag of the report type. For example,
7467         * "logcat_for_system_server_anr" controls the lines of logcat captured
7468         * with system server ANR reports. 0 to disable.
7469         *
7470         * @hide
7471         */
7472        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7473
7474        /**
7475         * The interval in minutes after which the amount of free storage left
7476         * on the device is logged to the event log
7477         *
7478         * @hide
7479         */
7480        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7481
7482        /**
7483         * Threshold for the amount of change in disk free space required to
7484         * report the amount of free space. Used to prevent spamming the logs
7485         * when the disk free space isn't changing frequently.
7486         *
7487         * @hide
7488         */
7489        public static final String
7490                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7491
7492        /**
7493         * Minimum percentage of free storage on the device that is used to
7494         * determine if the device is running low on storage. The default is 10.
7495         * <p>
7496         * Say this value is set to 10, the device is considered running low on
7497         * storage if 90% or more of the device storage is filled up.
7498         *
7499         * @hide
7500         */
7501        public static final String
7502                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7503
7504        /**
7505         * Maximum byte size of the low storage threshold. This is to ensure
7506         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7507         * overly large threshold for large storage devices. Currently this must
7508         * be less than 2GB. This default is 500MB.
7509         *
7510         * @hide
7511         */
7512        public static final String
7513                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7514
7515        /**
7516         * Minimum bytes of free storage on the device before the data partition
7517         * is considered full. By default, 1 MB is reserved to avoid system-wide
7518         * SQLite disk full exceptions.
7519         *
7520         * @hide
7521         */
7522        public static final String
7523                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7524
7525        /**
7526         * The maximum reconnect delay for short network outages or when the
7527         * network is suspended due to phone use.
7528         *
7529         * @hide
7530         */
7531        public static final String
7532                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7533
7534        /**
7535         * The number of milliseconds to delay before sending out
7536         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7537         *
7538         * @hide
7539         */
7540        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7541
7542
7543        /**
7544         * Network sampling interval, in seconds. We'll generate link information
7545         * about bytes/packets sent and error rates based on data sampled in this interval
7546         *
7547         * @hide
7548         */
7549
7550        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7551                "connectivity_sampling_interval_in_seconds";
7552
7553        /**
7554         * The series of successively longer delays used in retrying to download PAC file.
7555         * Last delay is used between successful PAC downloads.
7556         *
7557         * @hide
7558         */
7559        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7560
7561        /**
7562         * Setting to turn off captive portal detection. Feature is enabled by
7563         * default and the setting needs to be set to 0 to disable it.
7564         *
7565         * @hide
7566         */
7567        public static final String
7568                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7569
7570        /**
7571         * The server used for captive portal detection upon a new conection. A
7572         * 204 response code from the server is used for validation.
7573         *
7574         * @hide
7575         */
7576        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7577
7578        /**
7579         * Whether network service discovery is enabled.
7580         *
7581         * @hide
7582         */
7583        public static final String NSD_ON = "nsd_on";
7584
7585        /**
7586         * Let user pick default install location.
7587         *
7588         * @hide
7589         */
7590        public static final String SET_INSTALL_LOCATION = "set_install_location";
7591
7592        /**
7593         * Default install location value.
7594         * 0 = auto, let system decide
7595         * 1 = internal
7596         * 2 = sdcard
7597         * @hide
7598         */
7599        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7600
7601        /**
7602         * ms during which to consume extra events related to Inet connection
7603         * condition after a transtion to fully-connected
7604         *
7605         * @hide
7606         */
7607        public static final String
7608                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7609
7610        /**
7611         * ms during which to consume extra events related to Inet connection
7612         * condtion after a transtion to partly-connected
7613         *
7614         * @hide
7615         */
7616        public static final String
7617                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7618
7619        /** {@hide} */
7620        public static final String
7621                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7622
7623        /**
7624         * Host name and port for global http proxy. Uses ':' seperator for
7625         * between host and port.
7626         */
7627        public static final String HTTP_PROXY = "http_proxy";
7628
7629        /**
7630         * Host name for global http proxy. Set via ConnectivityManager.
7631         *
7632         * @hide
7633         */
7634        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7635
7636        /**
7637         * Integer host port for global http proxy. Set via ConnectivityManager.
7638         *
7639         * @hide
7640         */
7641        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7642
7643        /**
7644         * Exclusion list for global proxy. This string contains a list of
7645         * comma-separated domains where the global proxy does not apply.
7646         * Domains should be listed in a comma- separated list. Example of
7647         * acceptable formats: ".domain1.com,my.domain2.com" Use
7648         * ConnectivityManager to set/get.
7649         *
7650         * @hide
7651         */
7652        public static final String
7653                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7654
7655        /**
7656         * The location PAC File for the proxy.
7657         * @hide
7658         */
7659        public static final String
7660                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7661
7662        /**
7663         * Enables the UI setting to allow the user to specify the global HTTP
7664         * proxy and associated exclusion list.
7665         *
7666         * @hide
7667         */
7668        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7669
7670        /**
7671         * Setting for default DNS in case nobody suggests one
7672         *
7673         * @hide
7674         */
7675        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7676
7677        /** {@hide} */
7678        public static final String
7679                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7680        /** {@hide} */
7681        public static final String
7682                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7683        /** {@hide} */
7684        public static final String
7685                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7686        /** {@hide} */
7687        public static final String
7688                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7689        /** {@hide} */
7690        public static final String
7691                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7692        /** {@hide} */
7693        public static final String
7694                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7695
7696        /**
7697         * Device Idle (Doze) specific settings.
7698         * This is encoded as a key=value list, separated by commas. Ex:
7699         *
7700         * "inactive_timeout=60000,sensing_timeout=400000"
7701         *
7702         * The following keys are supported:
7703         *
7704         * <pre>
7705         * inactive_to                      (long)
7706         * sensing_to                       (long)
7707         * motion_inactive_to               (long)
7708         * idle_after_inactive_to           (long)
7709         * idle_pending_to                  (long)
7710         * max_idle_pending_to              (long)
7711         * idle_pending_factor              (float)
7712         * idle_to                          (long)
7713         * max_idle_to                      (long)
7714         * idle_factor                      (float)
7715         * min_time_to_alarm                (long)
7716         * max_temp_app_whitelist_duration  (long)
7717         * </pre>
7718         *
7719         * <p>
7720         * Type: string
7721         * @hide
7722         * @see com.android.server.DeviceIdleController.Constants
7723         */
7724        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7725
7726        /**
7727         * App standby (app idle) specific settings.
7728         * This is encoded as a key=value list, separated by commas. Ex:
7729         *
7730         * "idle_duration=5000,parole_interval=4500"
7731         *
7732         * The following keys are supported:
7733         *
7734         * <pre>
7735         * idle_duration2       (long)
7736         * wallclock_threshold  (long)
7737         * parole_interval      (long)
7738         * parole_duration      (long)
7739         *
7740         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7741         * </pre>
7742         *
7743         * <p>
7744         * Type: string
7745         * @hide
7746         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7747         */
7748        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7749
7750        /**
7751         * Alarm manager specific settings.
7752         * This is encoded as a key=value list, separated by commas. Ex:
7753         *
7754         * "min_futurity=5000,allow_while_idle_short_time=4500"
7755         *
7756         * The following keys are supported:
7757         *
7758         * <pre>
7759         * min_futurity                         (long)
7760         * min_interval                         (long)
7761         * allow_while_idle_short_time          (long)
7762         * allow_while_idle_long_time           (long)
7763         * allow_while_idle_whitelist_duration  (long)
7764         * </pre>
7765         *
7766         * <p>
7767         * Type: string
7768         * @hide
7769         * @see com.android.server.AlarmManagerService.Constants
7770         */
7771        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7772
7773        /**
7774         * ShortcutManager specific settings.
7775         * This is encoded as a key=value list, separated by commas. Ex:
7776         *
7777         * "reset_interval_sec=86400,max_daily_updates=5"
7778         *
7779         * The following keys are supported:
7780         *
7781         * <pre>
7782         * reset_interval_sec              (long)
7783         * max_daily_updates               (int)
7784         * max_icon_dimension_dp           (int, DP)
7785         * max_icon_dimension_dp_lowram    (int, DP)
7786         * max_shortcuts                   (int)
7787         * icon_quality                    (int, 0-100)
7788         * icon_format                     (String)
7789         * </pre>
7790         *
7791         * <p>
7792         * Type: string
7793         * @hide
7794         * @see com.android.server.pm.ShortcutService.ConfigConstants
7795         */
7796        public static final String SHORTCUT_MANAGER_CONSTANTS = "shortcut_manager_constants";
7797
7798        /**
7799         * Get the key that retrieves a bluetooth headset's priority.
7800         * @hide
7801         */
7802        public static final String getBluetoothHeadsetPriorityKey(String address) {
7803            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7804        }
7805
7806        /**
7807         * Get the key that retrieves a bluetooth a2dp sink's priority.
7808         * @hide
7809         */
7810        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7811            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7812        }
7813
7814        /**
7815         * Get the key that retrieves a bluetooth a2dp src's priority.
7816         * @hide
7817         */
7818        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
7819            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7820        }
7821
7822        /**
7823         * Get the key that retrieves a bluetooth Input Device's priority.
7824         * @hide
7825         */
7826        public static final String getBluetoothInputDevicePriorityKey(String address) {
7827            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7828        }
7829
7830        /**
7831         * Get the key that retrieves a bluetooth map priority.
7832         * @hide
7833         */
7834        public static final String getBluetoothMapPriorityKey(String address) {
7835            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7836        }
7837
7838        /**
7839         * Get the key that retrieves a bluetooth map priority.
7840         * @hide
7841         */
7842        public static final String getBluetoothSapPriorityKey(String address) {
7843            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7844        }
7845
7846        /**
7847         * Scaling factor for normal window animations. Setting to 0 will
7848         * disable window animations.
7849         */
7850        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7851
7852        /**
7853         * Scaling factor for activity transition animations. Setting to 0 will
7854         * disable window animations.
7855         */
7856        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7857
7858        /**
7859         * Scaling factor for Animator-based animations. This affects both the
7860         * start delay and duration of all such animations. Setting to 0 will
7861         * cause animations to end immediately. The default value is 1.
7862         */
7863        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7864
7865        /**
7866         * Scaling factor for normal window animations. Setting to 0 will
7867         * disable window animations.
7868         *
7869         * @hide
7870         */
7871        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7872
7873        /**
7874         * If 0, the compatibility mode is off for all applications.
7875         * If 1, older applications run under compatibility mode.
7876         * TODO: remove this settings before code freeze (bug/1907571)
7877         * @hide
7878         */
7879        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7880
7881        /**
7882         * CDMA only settings
7883         * Emergency Tone  0 = Off
7884         *                 1 = Alert
7885         *                 2 = Vibrate
7886         * @hide
7887         */
7888        public static final String EMERGENCY_TONE = "emergency_tone";
7889
7890        /**
7891         * CDMA only settings
7892         * Whether the auto retry is enabled. The value is
7893         * boolean (1 or 0).
7894         * @hide
7895         */
7896        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7897
7898        /**
7899         * See RIL_PreferredNetworkType in ril.h
7900         * @hide
7901         */
7902        public static final String PREFERRED_NETWORK_MODE =
7903                "preferred_network_mode";
7904
7905        /**
7906         * Name of an application package to be debugged.
7907         */
7908        public static final String DEBUG_APP = "debug_app";
7909
7910        /**
7911         * If 1, when launching DEBUG_APP it will wait for the debugger before
7912         * starting user code.  If 0, it will run normally.
7913         */
7914        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7915
7916        /**
7917         * Control whether the process CPU usage meter should be shown.
7918         */
7919        public static final String SHOW_PROCESSES = "show_processes";
7920
7921        /**
7922         * If 1 low power mode is enabled.
7923         * @hide
7924         */
7925        public static final String LOW_POWER_MODE = "low_power";
7926
7927        /**
7928         * Battery level [1-99] at which low power mode automatically turns on.
7929         * If 0, it will not automatically turn on.
7930         * @hide
7931         */
7932        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7933
7934         /**
7935         * If not 0, the activity manager will aggressively finish activities and
7936         * processes as soon as they are no longer needed.  If 0, the normal
7937         * extended lifetime is used.
7938         */
7939        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7940
7941        /**
7942         * @hide
7943         * If not 0, the activity manager will implement a looser version of background
7944         * check that is more compatible with existing apps.
7945         */
7946        public static final String LENIENT_BACKGROUND_CHECK = "lenient_background_check";
7947
7948        /**
7949         * Use Dock audio output for media:
7950         *      0 = disabled
7951         *      1 = enabled
7952         * @hide
7953         */
7954        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7955
7956        /**
7957         * The surround sound formats AC3, DTS or IEC61937 are
7958         * available for use if they are detected.
7959         * This is the default mode.
7960         *
7961         * Note that AUTO is equivalent to ALWAYS for Android TVs and other
7962         * devices that have an S/PDIF output. This is because S/PDIF
7963         * is unidirectional and the TV cannot know if a decoder is
7964         * connected. So it assumes they are always available.
7965         * @hide
7966         */
7967         public static final int ENCODED_SURROUND_OUTPUT_AUTO = 0;
7968
7969        /**
7970         * AC3, DTS or IEC61937 are NEVER available, even if they
7971         * are detected by the hardware. Those formats will not be
7972         * reported.
7973         *
7974         * An example use case would be an AVR reports that it is capable of
7975         * surround sound decoding but is broken. If NEVER is chosen
7976         * then apps must use PCM output instead of encoded output.
7977         * @hide
7978         */
7979         public static final int ENCODED_SURROUND_OUTPUT_NEVER = 1;
7980
7981        /**
7982         * AC3, DTS or IEC61937 are ALWAYS available, even if they
7983         * are not detected by the hardware. Those formats will be
7984         * reported as part of the HDMI output capability. Applications
7985         * are then free to use either PCM or encoded output.
7986         *
7987         * An example use case would be a when TV was connected over
7988         * TOS-link to an AVR. But the TV could not see it because TOS-link
7989         * is unidirectional.
7990         * @hide
7991         */
7992         public static final int ENCODED_SURROUND_OUTPUT_ALWAYS = 2;
7993
7994        /**
7995         * Set to ENCODED_SURROUND_OUTPUT_AUTO,
7996         * ENCODED_SURROUND_OUTPUT_NEVER or
7997         * ENCODED_SURROUND_OUTPUT_ALWAYS
7998         * @hide
7999         */
8000        public static final String ENCODED_SURROUND_OUTPUT = "encoded_surround_output";
8001
8002        /**
8003         * Persisted safe headphone volume management state by AudioService
8004         * @hide
8005         */
8006        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
8007
8008        /**
8009         * URL for tzinfo (time zone) updates
8010         * @hide
8011         */
8012        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
8013
8014        /**
8015         * URL for tzinfo (time zone) update metadata
8016         * @hide
8017         */
8018        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
8019
8020        /**
8021         * URL for selinux (mandatory access control) updates
8022         * @hide
8023         */
8024        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
8025
8026        /**
8027         * URL for selinux (mandatory access control) update metadata
8028         * @hide
8029         */
8030        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
8031
8032        /**
8033         * URL for sms short code updates
8034         * @hide
8035         */
8036        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
8037                "sms_short_codes_content_url";
8038
8039        /**
8040         * URL for sms short code update metadata
8041         * @hide
8042         */
8043        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
8044                "sms_short_codes_metadata_url";
8045
8046        /**
8047         * URL for apn_db updates
8048         * @hide
8049         */
8050        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
8051
8052        /**
8053         * URL for apn_db update metadata
8054         * @hide
8055         */
8056        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
8057
8058        /**
8059         * URL for cert pinlist updates
8060         * @hide
8061         */
8062        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
8063
8064        /**
8065         * URL for cert pinlist updates
8066         * @hide
8067         */
8068        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
8069
8070        /**
8071         * URL for intent firewall updates
8072         * @hide
8073         */
8074        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
8075                "intent_firewall_content_url";
8076
8077        /**
8078         * URL for intent firewall update metadata
8079         * @hide
8080         */
8081        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
8082                "intent_firewall_metadata_url";
8083
8084        /**
8085         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
8086         * @hide
8087         */
8088        public static final String SELINUX_STATUS = "selinux_status";
8089
8090        /**
8091         * Developer setting to force RTL layout.
8092         * @hide
8093         */
8094        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
8095
8096        /**
8097         * Milliseconds after screen-off after which low battery sounds will be silenced.
8098         *
8099         * If zero, battery sounds will always play.
8100         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
8101         *
8102         * @hide
8103         */
8104        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
8105
8106        /**
8107         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
8108         * the caller is done with this, they should call {@link ContentResolver#delete} to
8109         * clean up any value that they may have written.
8110         *
8111         * @hide
8112         */
8113        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
8114
8115        /**
8116         * Defines global runtime overrides to window policy.
8117         *
8118         * See {@link com.android.server.policy.PolicyControl} for value format.
8119         *
8120         * @hide
8121         */
8122        public static final String POLICY_CONTROL = "policy_control";
8123
8124        /**
8125         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
8126         * or ZEN_MODE_NO_INTERRUPTIONS.
8127         *
8128         * @hide
8129         */
8130        public static final String ZEN_MODE = "zen_mode";
8131
8132        /** @hide */ public static final int ZEN_MODE_OFF = 0;
8133        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
8134        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
8135        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
8136
8137        /** @hide */ public static String zenModeToString(int mode) {
8138            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
8139            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
8140            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
8141            return "ZEN_MODE_OFF";
8142        }
8143
8144        /** @hide */ public static boolean isValidZenMode(int value) {
8145            switch (value) {
8146                case Global.ZEN_MODE_OFF:
8147                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
8148                case Global.ZEN_MODE_ALARMS:
8149                case Global.ZEN_MODE_NO_INTERRUPTIONS:
8150                    return true;
8151                default:
8152                    return false;
8153            }
8154        }
8155
8156        /**
8157         * Value of the ringer before entering zen mode.
8158         *
8159         * @hide
8160         */
8161        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
8162
8163        /**
8164         * Opaque value, changes when persisted zen mode configuration changes.
8165         *
8166         * @hide
8167         */
8168        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
8169
8170        /**
8171         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
8172         *
8173         * @hide
8174         */
8175        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
8176                "heads_up_notifications_enabled";
8177
8178        /** @hide */ public static final int HEADS_UP_OFF = 0;
8179        /** @hide */ public static final int HEADS_UP_ON = 1;
8180
8181        /**
8182         * The name of the device
8183         *
8184         * @hide
8185         */
8186        public static final String DEVICE_NAME = "device_name";
8187
8188        /**
8189         * Whether the NetworkScoringService has been first initialized.
8190         * <p>
8191         * Type: int (0 for false, 1 for true)
8192         * @hide
8193         */
8194        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
8195
8196        /**
8197         * Whether the user wants to be prompted for password to decrypt the device on boot.
8198         * This only matters if the storage is encrypted.
8199         * <p>
8200         * Type: int (0 for false, 1 for true)
8201         * @hide
8202         */
8203        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
8204
8205        /**
8206         * Whether the Volte is enabled
8207         * <p>
8208         * Type: int (0 for false, 1 for true)
8209         * @hide
8210         */
8211        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
8212
8213        /**
8214         * Whether VT (Video Telephony over IMS) is enabled
8215         * <p>
8216         * Type: int (0 for false, 1 for true)
8217         *
8218         * @hide
8219         */
8220        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
8221
8222        /**
8223         * Whether WFC is enabled
8224         * <p>
8225         * Type: int (0 for false, 1 for true)
8226         *
8227         * @hide
8228         */
8229        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
8230
8231        /**
8232         * WFC Mode.
8233         * <p>
8234         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
8235         *
8236         * @hide
8237         */
8238        public static final String WFC_IMS_MODE = "wfc_ims_mode";
8239
8240        /**
8241         * Whether WFC roaming is enabled
8242         * <p>
8243         * Type: int (0 for false, 1 for true)
8244         *
8245         * @hide
8246         */
8247        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
8248
8249        /**
8250         * Whether user can enable/disable LTE as a preferred network. A carrier might control
8251         * this via gservices, OMA-DM, carrier app, etc.
8252         * <p>
8253         * Type: int (0 for false, 1 for true)
8254         * @hide
8255         */
8256        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
8257
8258        /**
8259         * Ephemeral app cookie max size in bytes.
8260         * <p>
8261         * Type: int
8262         * @hide
8263         */
8264        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
8265                "ephemeral_cookie_max_size_bytes";
8266
8267        /**
8268         * The duration for caching uninstalled ephemeral apps.
8269         * <p>
8270         * Type: long
8271         * @hide
8272         */
8273        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8274                "uninstalled_ephemeral_app_cache_duration_millis";
8275
8276        /**
8277         * Allows switching users when system user is locked.
8278         * <p>
8279         * Type: int
8280         * @hide
8281         */
8282        public static final String ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED =
8283                "allow_user_switching_when_system_user_locked";
8284
8285        /**
8286         * Boot count since the device starts running APK level 24.
8287         * <p>
8288         * Type: int
8289         */
8290        public static final String BOOT_COUNT = "boot_count";
8291
8292        /**
8293         * Settings to backup. This is here so that it's in the same place as the settings
8294         * keys and easy to update.
8295         *
8296         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8297         * and Secure as well.  This is because those tables drive both backup and
8298         * restore, and restore needs to properly whitelist keys that used to live
8299         * in those namespaces.  The keys will only actually be backed up / restored
8300         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8301         *
8302         * NOTE: Settings are backed up and restored in the order they appear
8303         *       in this array. If you have one setting depending on another,
8304         *       make sure that they are ordered appropriately.
8305         *
8306         * @hide
8307         */
8308        public static final String[] SETTINGS_TO_BACKUP = {
8309            BUGREPORT_IN_POWER_MENU,
8310            STAY_ON_WHILE_PLUGGED_IN,
8311            AUTO_TIME,
8312            AUTO_TIME_ZONE,
8313            POWER_SOUNDS_ENABLED,
8314            DOCK_SOUNDS_ENABLED,
8315            CHARGING_SOUNDS_ENABLED,
8316            USB_MASS_STORAGE_ENABLED,
8317            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8318            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8319            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8320            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8321            WIFI_NUM_OPEN_NETWORKS_KEPT,
8322            EMERGENCY_TONE,
8323            CALL_AUTO_RETRY,
8324            DOCK_AUDIO_MEDIA_ENABLED,
8325            ENCODED_SURROUND_OUTPUT,
8326            LOW_POWER_MODE_TRIGGER_LEVEL
8327        };
8328
8329        // Populated lazily, guarded by class object:
8330        private static NameValueCache sNameValueCache = new NameValueCache(
8331                    SYS_PROP_SETTING_VERSION,
8332                    CONTENT_URI,
8333                    CALL_METHOD_GET_GLOBAL,
8334                    CALL_METHOD_PUT_GLOBAL);
8335
8336        // Certain settings have been moved from global to the per-user secure namespace
8337        private static final HashSet<String> MOVED_TO_SECURE;
8338        static {
8339            MOVED_TO_SECURE = new HashSet<String>(1);
8340            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8341        }
8342
8343        /** @hide */
8344        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8345            outKeySet.addAll(MOVED_TO_SECURE);
8346        }
8347
8348        /**
8349         * Look up a name in the database.
8350         * @param resolver to access the database with
8351         * @param name to look up in the table
8352         * @return the corresponding value, or null if not present
8353         */
8354        public static String getString(ContentResolver resolver, String name) {
8355            return getStringForUser(resolver, name, UserHandle.myUserId());
8356        }
8357
8358        /** @hide */
8359        public static String getStringForUser(ContentResolver resolver, String name,
8360                int userHandle) {
8361            if (MOVED_TO_SECURE.contains(name)) {
8362                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8363                        + " to android.provider.Settings.Secure, returning read-only value.");
8364                return Secure.getStringForUser(resolver, name, userHandle);
8365            }
8366            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8367        }
8368
8369        /**
8370         * Store a name/value pair into the database.
8371         * @param resolver to access the database with
8372         * @param name to store
8373         * @param value to associate with the name
8374         * @return true if the value was set, false on database errors
8375         */
8376        public static boolean putString(ContentResolver resolver,
8377                String name, String value) {
8378            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8379        }
8380
8381        /** @hide */
8382        public static boolean putStringForUser(ContentResolver resolver,
8383                String name, String value, int userHandle) {
8384            if (LOCAL_LOGV) {
8385                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8386                        + " for " + userHandle);
8387            }
8388            // Global and Secure have the same access policy so we can forward writes
8389            if (MOVED_TO_SECURE.contains(name)) {
8390                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8391                        + " to android.provider.Settings.Secure, value is unchanged.");
8392                return Secure.putStringForUser(resolver, name, value, userHandle);
8393            }
8394            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8395        }
8396
8397        /**
8398         * Construct the content URI for a particular name/value pair,
8399         * useful for monitoring changes with a ContentObserver.
8400         * @param name to look up in the table
8401         * @return the corresponding content URI, or null if not present
8402         */
8403        public static Uri getUriFor(String name) {
8404            return getUriFor(CONTENT_URI, name);
8405        }
8406
8407        /**
8408         * Convenience function for retrieving a single secure settings value
8409         * as an integer.  Note that internally setting values are always
8410         * stored as strings; this function converts the string to an integer
8411         * for you.  The default value will be returned if the setting is
8412         * not defined or not an integer.
8413         *
8414         * @param cr The ContentResolver to access.
8415         * @param name The name of the setting to retrieve.
8416         * @param def Value to return if the setting is not defined.
8417         *
8418         * @return The setting's current value, or 'def' if it is not defined
8419         * or not a valid integer.
8420         */
8421        public static int getInt(ContentResolver cr, String name, int def) {
8422            String v = getString(cr, name);
8423            try {
8424                return v != null ? Integer.parseInt(v) : def;
8425            } catch (NumberFormatException e) {
8426                return def;
8427            }
8428        }
8429
8430        /**
8431         * Convenience function for retrieving a single secure settings value
8432         * as an integer.  Note that internally setting values are always
8433         * stored as strings; this function converts the string to an integer
8434         * for you.
8435         * <p>
8436         * This version does not take a default value.  If the setting has not
8437         * been set, or the string value is not a number,
8438         * it throws {@link SettingNotFoundException}.
8439         *
8440         * @param cr The ContentResolver to access.
8441         * @param name The name of the setting to retrieve.
8442         *
8443         * @throws SettingNotFoundException Thrown if a setting by the given
8444         * name can't be found or the setting value is not an integer.
8445         *
8446         * @return The setting's current value.
8447         */
8448        public static int getInt(ContentResolver cr, String name)
8449                throws SettingNotFoundException {
8450            String v = getString(cr, name);
8451            try {
8452                return Integer.parseInt(v);
8453            } catch (NumberFormatException e) {
8454                throw new SettingNotFoundException(name);
8455            }
8456        }
8457
8458        /**
8459         * Convenience function for updating a single settings value as an
8460         * integer. This will either create a new entry in the table if the
8461         * given name does not exist, or modify the value of the existing row
8462         * with that name.  Note that internally setting values are always
8463         * stored as strings, so this function converts the given value to a
8464         * string before storing it.
8465         *
8466         * @param cr The ContentResolver to access.
8467         * @param name The name of the setting to modify.
8468         * @param value The new value for the setting.
8469         * @return true if the value was set, false on database errors
8470         */
8471        public static boolean putInt(ContentResolver cr, String name, int value) {
8472            return putString(cr, name, Integer.toString(value));
8473        }
8474
8475        /**
8476         * Convenience function for retrieving a single secure settings value
8477         * as a {@code long}.  Note that internally setting values are always
8478         * stored as strings; this function converts the string to a {@code long}
8479         * for you.  The default value will be returned if the setting is
8480         * not defined or not a {@code long}.
8481         *
8482         * @param cr The ContentResolver to access.
8483         * @param name The name of the setting to retrieve.
8484         * @param def Value to return if the setting is not defined.
8485         *
8486         * @return The setting's current value, or 'def' if it is not defined
8487         * or not a valid {@code long}.
8488         */
8489        public static long getLong(ContentResolver cr, String name, long def) {
8490            String valString = getString(cr, name);
8491            long value;
8492            try {
8493                value = valString != null ? Long.parseLong(valString) : def;
8494            } catch (NumberFormatException e) {
8495                value = def;
8496            }
8497            return value;
8498        }
8499
8500        /**
8501         * Convenience function for retrieving a single secure settings value
8502         * as a {@code long}.  Note that internally setting values are always
8503         * stored as strings; this function converts the string to a {@code long}
8504         * for you.
8505         * <p>
8506         * This version does not take a default value.  If the setting has not
8507         * been set, or the string value is not a number,
8508         * it throws {@link SettingNotFoundException}.
8509         *
8510         * @param cr The ContentResolver to access.
8511         * @param name The name of the setting to retrieve.
8512         *
8513         * @return The setting's current value.
8514         * @throws SettingNotFoundException Thrown if a setting by the given
8515         * name can't be found or the setting value is not an integer.
8516         */
8517        public static long getLong(ContentResolver cr, String name)
8518                throws SettingNotFoundException {
8519            String valString = getString(cr, name);
8520            try {
8521                return Long.parseLong(valString);
8522            } catch (NumberFormatException e) {
8523                throw new SettingNotFoundException(name);
8524            }
8525        }
8526
8527        /**
8528         * Convenience function for updating a secure settings value as a long
8529         * integer. This will either create a new entry in the table if the
8530         * given name does not exist, or modify the value of the existing row
8531         * with that name.  Note that internally setting values are always
8532         * stored as strings, so this function converts the given value to a
8533         * string before storing it.
8534         *
8535         * @param cr The ContentResolver to access.
8536         * @param name The name of the setting to modify.
8537         * @param value The new value for the setting.
8538         * @return true if the value was set, false on database errors
8539         */
8540        public static boolean putLong(ContentResolver cr, String name, long value) {
8541            return putString(cr, name, Long.toString(value));
8542        }
8543
8544        /**
8545         * Convenience function for retrieving a single secure settings value
8546         * as a floating point number.  Note that internally setting values are
8547         * always stored as strings; this function converts the string to an
8548         * float for you. The default value will be returned if the setting
8549         * is not defined or not a valid float.
8550         *
8551         * @param cr The ContentResolver to access.
8552         * @param name The name of the setting to retrieve.
8553         * @param def Value to return if the setting is not defined.
8554         *
8555         * @return The setting's current value, or 'def' if it is not defined
8556         * or not a valid float.
8557         */
8558        public static float getFloat(ContentResolver cr, String name, float def) {
8559            String v = getString(cr, name);
8560            try {
8561                return v != null ? Float.parseFloat(v) : def;
8562            } catch (NumberFormatException e) {
8563                return def;
8564            }
8565        }
8566
8567        /**
8568         * Convenience function for retrieving a single secure settings value
8569         * as a float.  Note that internally setting values are always
8570         * stored as strings; this function converts the string to a float
8571         * for you.
8572         * <p>
8573         * This version does not take a default value.  If the setting has not
8574         * been set, or the string value is not a number,
8575         * it throws {@link SettingNotFoundException}.
8576         *
8577         * @param cr The ContentResolver to access.
8578         * @param name The name of the setting to retrieve.
8579         *
8580         * @throws SettingNotFoundException Thrown if a setting by the given
8581         * name can't be found or the setting value is not a float.
8582         *
8583         * @return The setting's current value.
8584         */
8585        public static float getFloat(ContentResolver cr, String name)
8586                throws SettingNotFoundException {
8587            String v = getString(cr, name);
8588            if (v == null) {
8589                throw new SettingNotFoundException(name);
8590            }
8591            try {
8592                return Float.parseFloat(v);
8593            } catch (NumberFormatException e) {
8594                throw new SettingNotFoundException(name);
8595            }
8596        }
8597
8598        /**
8599         * Convenience function for updating a single settings value as a
8600         * floating point number. This will either create a new entry in the
8601         * table if the given name does not exist, or modify the value of the
8602         * existing row with that name.  Note that internally setting values
8603         * are always stored as strings, so this function converts the given
8604         * value to a string before storing it.
8605         *
8606         * @param cr The ContentResolver to access.
8607         * @param name The name of the setting to modify.
8608         * @param value The new value for the setting.
8609         * @return true if the value was set, false on database errors
8610         */
8611        public static boolean putFloat(ContentResolver cr, String name, float value) {
8612            return putString(cr, name, Float.toString(value));
8613        }
8614
8615
8616        /**
8617          * Subscription to be used for voice call on a multi sim device. The supported values
8618          * are 0 = SUB1, 1 = SUB2 and etc.
8619          * @hide
8620          */
8621        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8622
8623        /**
8624          * Used to provide option to user to select subscription during dial.
8625          * The supported values are 0 = disable or 1 = enable prompt.
8626          * @hide
8627          */
8628        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8629
8630        /**
8631          * Subscription to be used for data call on a multi sim device. The supported values
8632          * are 0 = SUB1, 1 = SUB2 and etc.
8633          * @hide
8634          */
8635        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8636
8637        /**
8638          * Subscription to be used for SMS on a multi sim device. The supported values
8639          * are 0 = SUB1, 1 = SUB2 and etc.
8640          * @hide
8641          */
8642        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8643
8644       /**
8645          * Used to provide option to user to select subscription during send SMS.
8646          * The value 1 - enable, 0 - disable
8647          * @hide
8648          */
8649        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8650
8651
8652
8653        /** User preferred subscriptions setting.
8654          * This holds the details of the user selected subscription from the card and
8655          * the activation status. Each settings string have the coma separated values
8656          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8657          * @hide
8658         */
8659        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8660                "user_preferred_sub2","user_preferred_sub3"};
8661
8662        /**
8663         * Whether to enable new contacts aggregator or not.
8664         * The value 1 - enable, 0 - disable
8665         * @hide
8666         */
8667        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8668
8669        /**
8670         * Whether to enable contacts metadata syncing or not
8671         * The value 1 - enable, 0 - disable
8672         */
8673        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8674
8675        /**
8676         * Whether to enable cellular on boot.
8677         * The value 1 - enable, 0 - disable
8678         * @hide
8679         */
8680        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8681    }
8682
8683    /**
8684     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8685     * Intent URL, allowing it to be either a web page or a particular
8686     * application activity.
8687     *
8688     * @hide
8689     */
8690    public static final class Bookmarks implements BaseColumns
8691    {
8692        private static final String TAG = "Bookmarks";
8693
8694        /**
8695         * The content:// style URL for this table
8696         */
8697        public static final Uri CONTENT_URI =
8698            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8699
8700        /**
8701         * The row ID.
8702         * <p>Type: INTEGER</p>
8703         */
8704        public static final String ID = "_id";
8705
8706        /**
8707         * Descriptive name of the bookmark that can be displayed to the user.
8708         * If this is empty, the title should be resolved at display time (use
8709         * {@link #getTitle(Context, Cursor)} any time you want to display the
8710         * title of a bookmark.)
8711         * <P>
8712         * Type: TEXT
8713         * </P>
8714         */
8715        public static final String TITLE = "title";
8716
8717        /**
8718         * Arbitrary string (displayed to the user) that allows bookmarks to be
8719         * organized into categories.  There are some special names for
8720         * standard folders, which all start with '@'.  The label displayed for
8721         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8722         * the folder name does not change so you can consistently query for
8723         * the folder regardless of the current locale.
8724         *
8725         * <P>Type: TEXT</P>
8726         *
8727         */
8728        public static final String FOLDER = "folder";
8729
8730        /**
8731         * The Intent URL of the bookmark, describing what it points to.  This
8732         * value is given to {@link android.content.Intent#getIntent} to create
8733         * an Intent that can be launched.
8734         * <P>Type: TEXT</P>
8735         */
8736        public static final String INTENT = "intent";
8737
8738        /**
8739         * Optional shortcut character associated with this bookmark.
8740         * <P>Type: INTEGER</P>
8741         */
8742        public static final String SHORTCUT = "shortcut";
8743
8744        /**
8745         * The order in which the bookmark should be displayed
8746         * <P>Type: INTEGER</P>
8747         */
8748        public static final String ORDERING = "ordering";
8749
8750        private static final String[] sIntentProjection = { INTENT };
8751        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8752        private static final String sShortcutSelection = SHORTCUT + "=?";
8753
8754        /**
8755         * Convenience function to retrieve the bookmarked Intent for a
8756         * particular shortcut key.
8757         *
8758         * @param cr The ContentResolver to query.
8759         * @param shortcut The shortcut key.
8760         *
8761         * @return Intent The bookmarked URL, or null if there is no bookmark
8762         *         matching the given shortcut.
8763         */
8764        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8765        {
8766            Intent intent = null;
8767
8768            Cursor c = cr.query(CONTENT_URI,
8769                    sIntentProjection, sShortcutSelection,
8770                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8771            // Keep trying until we find a valid shortcut
8772            try {
8773                while (intent == null && c.moveToNext()) {
8774                    try {
8775                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8776                        intent = Intent.parseUri(intentURI, 0);
8777                    } catch (java.net.URISyntaxException e) {
8778                        // The stored URL is bad...  ignore it.
8779                    } catch (IllegalArgumentException e) {
8780                        // Column not found
8781                        Log.w(TAG, "Intent column not found", e);
8782                    }
8783                }
8784            } finally {
8785                if (c != null) c.close();
8786            }
8787
8788            return intent;
8789        }
8790
8791        /**
8792         * Add a new bookmark to the system.
8793         *
8794         * @param cr The ContentResolver to query.
8795         * @param intent The desired target of the bookmark.
8796         * @param title Bookmark title that is shown to the user; null if none
8797         *            or it should be resolved to the intent's title.
8798         * @param folder Folder in which to place the bookmark; null if none.
8799         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8800         *            this is non-zero and there is an existing bookmark entry
8801         *            with this same shortcut, then that existing shortcut is
8802         *            cleared (the bookmark is not removed).
8803         * @return The unique content URL for the new bookmark entry.
8804         */
8805        public static Uri add(ContentResolver cr,
8806                                           Intent intent,
8807                                           String title,
8808                                           String folder,
8809                                           char shortcut,
8810                                           int ordering)
8811        {
8812            // If a shortcut is supplied, and it is already defined for
8813            // another bookmark, then remove the old definition.
8814            if (shortcut != 0) {
8815                cr.delete(CONTENT_URI, sShortcutSelection,
8816                        new String[] { String.valueOf((int) shortcut) });
8817            }
8818
8819            ContentValues values = new ContentValues();
8820            if (title != null) values.put(TITLE, title);
8821            if (folder != null) values.put(FOLDER, folder);
8822            values.put(INTENT, intent.toUri(0));
8823            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8824            values.put(ORDERING, ordering);
8825            return cr.insert(CONTENT_URI, values);
8826        }
8827
8828        /**
8829         * Return the folder name as it should be displayed to the user.  This
8830         * takes care of localizing special folders.
8831         *
8832         * @param r Resources object for current locale; only need access to
8833         *          system resources.
8834         * @param folder The value found in the {@link #FOLDER} column.
8835         *
8836         * @return CharSequence The label for this folder that should be shown
8837         *         to the user.
8838         */
8839        public static CharSequence getLabelForFolder(Resources r, String folder) {
8840            return folder;
8841        }
8842
8843        /**
8844         * Return the title as it should be displayed to the user. This takes
8845         * care of localizing bookmarks that point to activities.
8846         *
8847         * @param context A context.
8848         * @param cursor A cursor pointing to the row whose title should be
8849         *        returned. The cursor must contain at least the {@link #TITLE}
8850         *        and {@link #INTENT} columns.
8851         * @return A title that is localized and can be displayed to the user,
8852         *         or the empty string if one could not be found.
8853         */
8854        public static CharSequence getTitle(Context context, Cursor cursor) {
8855            int titleColumn = cursor.getColumnIndex(TITLE);
8856            int intentColumn = cursor.getColumnIndex(INTENT);
8857            if (titleColumn == -1 || intentColumn == -1) {
8858                throw new IllegalArgumentException(
8859                        "The cursor must contain the TITLE and INTENT columns.");
8860            }
8861
8862            String title = cursor.getString(titleColumn);
8863            if (!TextUtils.isEmpty(title)) {
8864                return title;
8865            }
8866
8867            String intentUri = cursor.getString(intentColumn);
8868            if (TextUtils.isEmpty(intentUri)) {
8869                return "";
8870            }
8871
8872            Intent intent;
8873            try {
8874                intent = Intent.parseUri(intentUri, 0);
8875            } catch (URISyntaxException e) {
8876                return "";
8877            }
8878
8879            PackageManager packageManager = context.getPackageManager();
8880            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8881            return info != null ? info.loadLabel(packageManager) : "";
8882        }
8883    }
8884
8885    /**
8886     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8887     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8888     * from the GoogleLoginService.
8889     *
8890     * @param androidId The Android ID for this device.
8891     * @return The device ID that should be used when connecting to the mobile gtalk server.
8892     * @hide
8893     */
8894    public static String getGTalkDeviceId(long androidId) {
8895        return "android-" + Long.toHexString(androidId);
8896    }
8897
8898    private static final String[] PM_WRITE_SETTINGS = {
8899        android.Manifest.permission.WRITE_SETTINGS
8900    };
8901    private static final String[] PM_CHANGE_NETWORK_STATE = {
8902        android.Manifest.permission.CHANGE_NETWORK_STATE,
8903        android.Manifest.permission.WRITE_SETTINGS
8904    };
8905    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8906        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8907    };
8908
8909    /**
8910     * Performs a strict and comprehensive check of whether a calling package is allowed to
8911     * write/modify system settings, as the condition differs for pre-M, M+, and
8912     * privileged/preinstalled apps. If the provided uid does not match the
8913     * callingPackage, a negative result will be returned.
8914     * @hide
8915     */
8916    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8917            String callingPackage, boolean throwException) {
8918        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8919                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8920                PM_WRITE_SETTINGS, false);
8921    }
8922
8923    /**
8924     * Performs a strict and comprehensive check of whether a calling package is allowed to
8925     * write/modify system settings, as the condition differs for pre-M, M+, and
8926     * privileged/preinstalled apps. If the provided uid does not match the
8927     * callingPackage, a negative result will be returned. The caller is expected to have
8928     * the WRITE_SETTINGS permission declared.
8929     *
8930     * Note: if the check is successful, the operation of this app will be updated to the
8931     * current time.
8932     * @hide
8933     */
8934    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8935            String callingPackage, boolean throwException) {
8936        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8937                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8938                PM_WRITE_SETTINGS, true);
8939    }
8940
8941    /**
8942     * Performs a strict and comprehensive check of whether a calling package is allowed to
8943     * change the state of network, as the condition differs for pre-M, M+, and
8944     * privileged/preinstalled apps. The caller is expected to have either the
8945     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8946     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8947     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8948     * permission and cannot be revoked. See http://b/23597341
8949     *
8950     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8951     * of this app will be updated to the current time.
8952     * @hide
8953     */
8954    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8955            String callingPackage, boolean throwException) {
8956        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8957                == PackageManager.PERMISSION_GRANTED) {
8958            return true;
8959        }
8960        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8961                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8962                PM_CHANGE_NETWORK_STATE, true);
8963    }
8964
8965    /**
8966     * Performs a strict and comprehensive check of whether a calling package is allowed to
8967     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8968     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8969     * a negative result will be returned.
8970     * @hide
8971     */
8972    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8973            String callingPackage, boolean throwException) {
8974        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8975                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8976                PM_SYSTEM_ALERT_WINDOW, false);
8977    }
8978
8979    /**
8980     * Performs a strict and comprehensive check of whether a calling package is allowed to
8981     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8982     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8983     * a negative result will be returned.
8984     *
8985     * Note: if the check is successful, the operation of this app will be updated to the
8986     * current time.
8987     * @hide
8988     */
8989    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8990            callingPackage, boolean throwException) {
8991        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8992                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8993                PM_SYSTEM_ALERT_WINDOW, true);
8994    }
8995
8996    /**
8997     * Helper method to perform a general and comprehensive check of whether an operation that is
8998     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8999     * OP_WRITE_SETTINGS
9000     * @hide
9001     */
9002    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
9003            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
9004            permissions, boolean makeNote) {
9005        if (callingPackage == null) {
9006            return false;
9007        }
9008
9009        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
9010        int mode = AppOpsManager.MODE_DEFAULT;
9011        if (makeNote) {
9012            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
9013        } else {
9014            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
9015        }
9016
9017        switch (mode) {
9018            case AppOpsManager.MODE_ALLOWED:
9019                return true;
9020
9021            case AppOpsManager.MODE_DEFAULT:
9022                // this is the default operating mode after an app's installation
9023                // In this case we will check all associated static permission to see
9024                // if it is granted during install time.
9025                for (String permission : permissions) {
9026                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
9027                            .PERMISSION_GRANTED) {
9028                        // if either of the permissions are granted, we will allow it
9029                        return true;
9030                    }
9031                }
9032
9033            default:
9034                // this is for all other cases trickled down here...
9035                if (!throwException) {
9036                    return false;
9037                }
9038        }
9039
9040        // prepare string to throw SecurityException
9041        StringBuilder exceptionMessage = new StringBuilder();
9042        exceptionMessage.append(callingPackage);
9043        exceptionMessage.append(" was not granted ");
9044        if (permissions.length > 1) {
9045            exceptionMessage.append(" either of these permissions: ");
9046        } else {
9047            exceptionMessage.append(" this permission: ");
9048        }
9049        for (int i = 0; i < permissions.length; i++) {
9050            exceptionMessage.append(permissions[i]);
9051            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
9052        }
9053
9054        throw new SecurityException(exceptionMessage.toString());
9055    }
9056
9057    /**
9058     * Retrieves a correponding package name for a given uid. It will query all
9059     * packages that are associated with the given uid, but it will return only
9060     * the zeroth result.
9061     * Note: If package could not be found, a null is returned.
9062     * @hide
9063     */
9064    public static String getPackageNameForUid(Context context, int uid) {
9065        String[] packages = context.getPackageManager().getPackagesForUid(uid);
9066        if (packages == null) {
9067            return null;
9068        }
9069        return packages[0];
9070    }
9071}
9072