Settings.java revision 5e8d837894d38151c943677c8323860de1438bd0
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.annotation.SystemApi;
22import android.annotation.TestApi;
23import android.app.ActivityThread;
24import android.app.AppOpsManager;
25import android.app.Application;
26import android.app.SearchManager;
27import android.app.WallpaperManager;
28import android.content.ComponentName;
29import android.content.ContentResolver;
30import android.content.ContentValues;
31import android.content.Context;
32import android.content.IContentProvider;
33import android.content.Intent;
34import android.content.pm.ActivityInfo;
35import android.content.pm.PackageManager;
36import android.content.pm.ResolveInfo;
37import android.content.res.Configuration;
38import android.content.res.Resources;
39import android.database.Cursor;
40import android.database.SQLException;
41import android.location.LocationManager;
42import android.net.ConnectivityManager;
43import android.net.Uri;
44import android.net.wifi.WifiManager;
45import android.os.BatteryManager;
46import android.os.Binder;
47import android.os.Bundle;
48import android.os.DropBoxManager;
49import android.os.IBinder;
50import android.os.Process;
51import android.os.RemoteException;
52import android.os.ServiceManager;
53import android.os.SystemProperties;
54import android.os.UserHandle;
55import android.os.Build.VERSION_CODES;
56import android.speech.tts.TextToSpeech;
57import android.text.TextUtils;
58import android.util.AndroidException;
59import android.util.ArrayMap;
60import android.util.ArraySet;
61import android.util.Log;
62
63import com.android.internal.util.ArrayUtils;
64import com.android.internal.widget.ILockSettings;
65
66import java.net.URISyntaxException;
67import java.text.SimpleDateFormat;
68import java.util.HashMap;
69import java.util.HashSet;
70import java.util.Locale;
71import java.util.Map;
72import java.util.Set;
73
74/**
75 * The Settings provider contains global system-level device preferences.
76 */
77public final class Settings {
78
79    // Intent actions for Settings
80
81    /**
82     * Activity Action: Show system settings.
83     * <p>
84     * Input: Nothing.
85     * <p>
86     * Output: Nothing.
87     */
88    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
89    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
90
91    /**
92     * Activity Action: Show settings to allow configuration of APNs.
93     * <p>
94     * Input: Nothing.
95     * <p>
96     * Output: Nothing.
97     */
98    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
99    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
100
101    /**
102     * Activity Action: Show settings to allow configuration of current location
103     * sources.
104     * <p>
105     * In some cases, a matching Activity may not exist, so ensure you
106     * safeguard against this.
107     * <p>
108     * Input: Nothing.
109     * <p>
110     * Output: Nothing.
111     */
112    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
113    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
114            "android.settings.LOCATION_SOURCE_SETTINGS";
115
116    /**
117     * Activity Action: Show settings to allow configuration of wireless controls
118     * such as Wi-Fi, Bluetooth and Mobile networks.
119     * <p>
120     * In some cases, a matching Activity may not exist, so ensure you
121     * safeguard against this.
122     * <p>
123     * Input: Nothing.
124     * <p>
125     * Output: Nothing.
126     */
127    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
128    public static final String ACTION_WIRELESS_SETTINGS =
129            "android.settings.WIRELESS_SETTINGS";
130
131    /**
132     * Activity Action: Show tether provisioning activity.
133     *
134     * <p>
135     * In some cases, a matching Activity may not exist, so ensure you
136     * safeguard against this.
137     * <p>
138     * Input: {@link ConnectivityManager.EXTRA_TETHER_TYPE} should be included to specify which type
139     * of tethering should be checked. {@link ConnectivityManager.EXTRA_PROVISION_CALLBACK} should
140     * contain a {@link ResultReceiver} which will be called back with a tether result code.
141     * <p>
142     * Output: The result of the provisioning check.
143     * {@link ConnectivityManager.TETHER_ERROR_NO_ERROR} if successful,
144     * {@link ConnectivityManager.TETHER_ERROR_PROVISION_FAILED} for failure.
145     *
146     * @hide
147     */
148    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
149    public static final String ACTION_TETHER_PROVISIONING =
150            "android.settings.TETHER_PROVISIONING_UI";
151
152    /**
153     * Activity Action: Show settings to allow entering/exiting airplane mode.
154     * <p>
155     * In some cases, a matching Activity may not exist, so ensure you
156     * safeguard against this.
157     * <p>
158     * Input: Nothing.
159     * <p>
160     * Output: Nothing.
161     */
162    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
163    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
164            "android.settings.AIRPLANE_MODE_SETTINGS";
165
166    /**
167     * Activity Action: Modify Airplane mode settings using a voice command.
168     * <p>
169     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
170     * <p>
171     * This intent MUST be started using
172     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
173     * startVoiceActivity}.
174     * <p>
175     * Note: The activity implementing this intent MUST verify that
176     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
177     * modifying the setting.
178     * <p>
179     * Input: To tell which state airplane mode should be set to, add the
180     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
181     * If the extra is not included, no changes will be made.
182     * <p>
183     * Output: Nothing.
184     */
185    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
186    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
187            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
188
189    /**
190     * Activity Action: Show settings for accessibility modules.
191     * <p>
192     * In some cases, a matching Activity may not exist, so ensure you
193     * safeguard against this.
194     * <p>
195     * Input: Nothing.
196     * <p>
197     * Output: Nothing.
198     */
199    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
200    public static final String ACTION_ACCESSIBILITY_SETTINGS =
201            "android.settings.ACCESSIBILITY_SETTINGS";
202
203    /**
204     * Activity Action: Show settings to control access to usage information.
205     * <p>
206     * In some cases, a matching Activity may not exist, so ensure you
207     * safeguard against this.
208     * <p>
209     * Input: Nothing.
210     * <p>
211     * Output: Nothing.
212     */
213    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
214    public static final String ACTION_USAGE_ACCESS_SETTINGS =
215            "android.settings.USAGE_ACCESS_SETTINGS";
216
217    /**
218     * Activity Category: Show application settings related to usage access.
219     * <p>
220     * An activity that provides a user interface for adjusting usage access related
221     * preferences for its containing application. Optional but recommended for apps that
222     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
223     * <p>
224     * The activity may define meta-data to describe what usage access is
225     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
226     * will be displayed in Settings.
227     * <p>
228     * Input: Nothing.
229     * <p>
230     * Output: Nothing.
231     */
232    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
233    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
234            "android.intent.category.USAGE_ACCESS_CONFIG";
235
236    /**
237     * Metadata key: Reason for needing usage access.
238     * <p>
239     * A key for metadata attached to an activity that receives action
240     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
241     * user as description of how the app uses usage access.
242     * <p>
243     */
244    public static final String METADATA_USAGE_ACCESS_REASON =
245            "android.settings.metadata.USAGE_ACCESS_REASON";
246
247    /**
248     * Activity Action: Show settings to allow configuration of security and
249     * location privacy.
250     * <p>
251     * In some cases, a matching Activity may not exist, so ensure you
252     * safeguard against this.
253     * <p>
254     * Input: Nothing.
255     * <p>
256     * Output: Nothing.
257     */
258    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
259    public static final String ACTION_SECURITY_SETTINGS =
260            "android.settings.SECURITY_SETTINGS";
261
262    /**
263     * Activity Action: Show trusted credentials settings, opening to the user tab,
264     * to allow management of installed credentials.
265     * <p>
266     * In some cases, a matching Activity may not exist, so ensure you
267     * safeguard against this.
268     * <p>
269     * Input: Nothing.
270     * <p>
271     * Output: Nothing.
272     * @hide
273     */
274    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
275    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
276            "com.android.settings.TRUSTED_CREDENTIALS_USER";
277
278    /**
279     * Activity Action: Show dialog explaining that an installed CA cert may enable
280     * monitoring of encrypted network traffic.
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_MONITORING_CERT_INFO =
292            "com.android.settings.MONITORING_CERT_INFO";
293
294    /**
295     * Activity Action: Show settings to allow configuration of privacy options.
296     * <p>
297     * In some cases, a matching Activity may not exist, so ensure you
298     * safeguard against this.
299     * <p>
300     * Input: Nothing.
301     * <p>
302     * Output: Nothing.
303     */
304    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
305    public static final String ACTION_PRIVACY_SETTINGS =
306            "android.settings.PRIVACY_SETTINGS";
307
308    /**
309     * Activity Action: Show settings to allow configuration of Wi-Fi.
310     * <p>
311     * In some cases, a matching Activity may not exist, so ensure you
312     * safeguard against this.
313     * <p>
314     * Input: Nothing.
315     * <p>
316     * Output: Nothing.
317
318     */
319    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
320    public static final String ACTION_WIFI_SETTINGS =
321            "android.settings.WIFI_SETTINGS";
322
323    /**
324     * Activity Action: Show settings to allow configuration of a static IP
325     * address for Wi-Fi.
326     * <p>
327     * In some cases, a matching Activity may not exist, so ensure you safeguard
328     * against this.
329     * <p>
330     * Input: Nothing.
331     * <p>
332     * Output: Nothing.
333     */
334    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
335    public static final String ACTION_WIFI_IP_SETTINGS =
336            "android.settings.WIFI_IP_SETTINGS";
337
338    /**
339     * Activity Action: Show settings to allow configuration of Bluetooth.
340     * <p>
341     * In some cases, a matching Activity may not exist, so ensure you
342     * safeguard against this.
343     * <p>
344     * Input: Nothing.
345     * <p>
346     * Output: Nothing.
347     */
348    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
349    public static final String ACTION_BLUETOOTH_SETTINGS =
350            "android.settings.BLUETOOTH_SETTINGS";
351
352    /**
353     * Activity Action: Show settings to allow configuration of cast endpoints.
354     * <p>
355     * In some cases, a matching Activity may not exist, so ensure you
356     * safeguard against this.
357     * <p>
358     * Input: Nothing.
359     * <p>
360     * Output: Nothing.
361     */
362    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
363    public static final String ACTION_CAST_SETTINGS =
364            "android.settings.CAST_SETTINGS";
365
366    /**
367     * Activity Action: Show settings to allow configuration of date and time.
368     * <p>
369     * In some cases, a matching Activity may not exist, so ensure you
370     * safeguard against this.
371     * <p>
372     * Input: Nothing.
373     * <p>
374     * Output: Nothing.
375     */
376    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
377    public static final String ACTION_DATE_SETTINGS =
378            "android.settings.DATE_SETTINGS";
379
380    /**
381     * Activity Action: Show settings to allow configuration of sound and volume.
382     * <p>
383     * In some cases, a matching Activity may not exist, so ensure you
384     * safeguard against this.
385     * <p>
386     * Input: Nothing.
387     * <p>
388     * Output: Nothing.
389     */
390    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
391    public static final String ACTION_SOUND_SETTINGS =
392            "android.settings.SOUND_SETTINGS";
393
394    /**
395     * Activity Action: Show settings to allow configuration of display.
396     * <p>
397     * In some cases, a matching Activity may not exist, so ensure you
398     * safeguard against this.
399     * <p>
400     * Input: Nothing.
401     * <p>
402     * Output: Nothing.
403     */
404    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
405    public static final String ACTION_DISPLAY_SETTINGS =
406            "android.settings.DISPLAY_SETTINGS";
407
408    /**
409     * Activity Action: Show settings to allow configuration of locale.
410     * <p>
411     * In some cases, a matching Activity may not exist, so ensure you
412     * safeguard against this.
413     * <p>
414     * Input: Nothing.
415     * <p>
416     * Output: Nothing.
417     */
418    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
419    public static final String ACTION_LOCALE_SETTINGS =
420            "android.settings.LOCALE_SETTINGS";
421
422    /**
423     * Activity Action: Show settings to configure input methods, in particular
424     * allowing the user to enable input methods.
425     * <p>
426     * In some cases, a matching Activity may not exist, so ensure you
427     * safeguard against this.
428     * <p>
429     * Input: Nothing.
430     * <p>
431     * Output: Nothing.
432     */
433    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
434    public static final String ACTION_VOICE_INPUT_SETTINGS =
435            "android.settings.VOICE_INPUT_SETTINGS";
436
437    /**
438     * Activity Action: Show settings to configure input methods, in particular
439     * allowing the user to enable input methods.
440     * <p>
441     * In some cases, a matching Activity may not exist, so ensure you
442     * safeguard against this.
443     * <p>
444     * Input: Nothing.
445     * <p>
446     * Output: Nothing.
447     */
448    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
449    public static final String ACTION_INPUT_METHOD_SETTINGS =
450            "android.settings.INPUT_METHOD_SETTINGS";
451
452    /**
453     * Activity Action: Show settings to enable/disable input method subtypes.
454     * <p>
455     * In some cases, a matching Activity may not exist, so ensure you
456     * safeguard against this.
457     * <p>
458     * To tell which input method's subtypes are displayed in the settings, add
459     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
460     * If there is no extra in this Intent, subtypes from all installed input methods
461     * will be displayed in the settings.
462     *
463     * @see android.view.inputmethod.InputMethodInfo#getId
464     * <p>
465     * Input: Nothing.
466     * <p>
467     * Output: Nothing.
468     */
469    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
470    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
471            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
472
473    /**
474     * Activity Action: Show a dialog to select input method.
475     * <p>
476     * In some cases, a matching Activity may not exist, so ensure you
477     * safeguard against this.
478     * <p>
479     * Input: Nothing.
480     * <p>
481     * Output: Nothing.
482     * @hide
483     */
484    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
485    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
486            "android.settings.SHOW_INPUT_METHOD_PICKER";
487
488    /**
489     * Activity Action: Show settings to manage the user input dictionary.
490     * <p>
491     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
492     * it is guaranteed there will always be an appropriate implementation for this Intent action.
493     * In prior releases of the platform this was optional, so ensure you safeguard against it.
494     * <p>
495     * Input: Nothing.
496     * <p>
497     * Output: Nothing.
498     */
499    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
500    public static final String ACTION_USER_DICTIONARY_SETTINGS =
501            "android.settings.USER_DICTIONARY_SETTINGS";
502
503    /**
504     * Activity Action: Show settings to configure the hardware keyboard layout.
505     * <p>
506     * In some cases, a matching Activity may not exist, so ensure you
507     * safeguard against this.
508     * <p>
509     *
510     * @see android.hardware.input.InputManager#ACTION_QUERY_KEYBOARD_LAYOUTS
511     * <p>
512     * Input: Nothing.
513     * <p>
514     * Output: Nothing.
515     */
516    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
517    public static final String ACTION_KEYBOARD_LAYOUT_SETTINGS =
518            "android.settings.KEYBOARD_LAYOUT_SETTINGS";
519
520    /**
521     * Activity Action: Adds a word to the user dictionary.
522     * <p>
523     * In some cases, a matching Activity may not exist, so ensure you
524     * safeguard against this.
525     * <p>
526     * Input: An extra with key <code>word</code> that contains the word
527     * that should be added to the dictionary.
528     * <p>
529     * Output: Nothing.
530     *
531     * @hide
532     */
533    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
534    public static final String ACTION_USER_DICTIONARY_INSERT =
535            "com.android.settings.USER_DICTIONARY_INSERT";
536
537    /**
538     * Activity Action: Show settings to allow configuration of application-related settings.
539     * <p>
540     * In some cases, a matching Activity may not exist, so ensure you
541     * safeguard against this.
542     * <p>
543     * Input: Nothing.
544     * <p>
545     * Output: Nothing.
546     */
547    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
548    public static final String ACTION_APPLICATION_SETTINGS =
549            "android.settings.APPLICATION_SETTINGS";
550
551    /**
552     * Activity Action: Show settings to allow configuration of application
553     * development-related settings.  As of
554     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
555     * a required part of the platform.
556     * <p>
557     * Input: Nothing.
558     * <p>
559     * Output: Nothing.
560     */
561    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
562    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
563            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
564
565    /**
566     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
567     * <p>
568     * In some cases, a matching Activity may not exist, so ensure you
569     * safeguard against this.
570     * <p>
571     * Input: Nothing.
572     * <p>
573     * Output: Nothing.
574     */
575    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
576    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
577            "android.settings.QUICK_LAUNCH_SETTINGS";
578
579    /**
580     * Activity Action: Show settings to manage installed applications.
581     * <p>
582     * In some cases, a matching Activity may not exist, so ensure you
583     * safeguard against this.
584     * <p>
585     * Input: Nothing.
586     * <p>
587     * Output: Nothing.
588     */
589    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
590    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
591            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
592
593    /**
594     * Activity Action: Show settings to manage all applications.
595     * <p>
596     * In some cases, a matching Activity may not exist, so ensure you
597     * safeguard against this.
598     * <p>
599     * Input: Nothing.
600     * <p>
601     * Output: Nothing.
602     */
603    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
604    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
605            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
606
607    /**
608     * Activity Action: Show screen for controlling which apps can draw on top of other apps.
609     * <p>
610     * In some cases, a matching Activity may not exist, so ensure you
611     * safeguard against this.
612     * <p>
613     * Input: Optionally, the Intent's data URI can specify the application package name to
614     * directly invoke the management GUI specific to the package name. For example
615     * "package:com.my.app".
616     * <p>
617     * Output: Nothing.
618     */
619    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
620    public static final String ACTION_MANAGE_OVERLAY_PERMISSION =
621            "android.settings.action.MANAGE_OVERLAY_PERMISSION";
622
623    /**
624     * Activity Action: Show screen for controlling which apps are allowed to write/modify
625     * system settings.
626     * <p>
627     * In some cases, a matching Activity may not exist, so ensure you
628     * safeguard against this.
629     * <p>
630     * Input: Optionally, the Intent's data URI can specify the application package name to
631     * directly invoke the management GUI specific to the package name. For example
632     * "package:com.my.app".
633     * <p>
634     * Output: Nothing.
635     */
636    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
637    public static final String ACTION_MANAGE_WRITE_SETTINGS =
638            "android.settings.action.MANAGE_WRITE_SETTINGS";
639
640    /**
641     * Activity Action: Show screen of details about a particular application.
642     * <p>
643     * In some cases, a matching Activity may not exist, so ensure you
644     * safeguard against this.
645     * <p>
646     * Input: The Intent's data URI specifies the application package name
647     * to be shown, with the "package" scheme.  That is "package:com.my.app".
648     * <p>
649     * Output: Nothing.
650     */
651    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
652    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
653            "android.settings.APPLICATION_DETAILS_SETTINGS";
654
655    /**
656     * Activity Action: Show screen for controlling which apps can ignore battery optimizations.
657     * <p>
658     * Input: Nothing.
659     * <p>
660     * Output: Nothing.
661     * <p>
662     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
663     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
664     * already ignoring optimizations.  You can use
665     * {@link #ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS} to ask the user to put you
666     * on this list.
667     */
668    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
669    public static final String ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS =
670            "android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS";
671
672    /**
673     * Activity Action: Ask the user to allow an to ignore battery optimizations (that is,
674     * put them on the whitelist of apps shown by
675     * {@link #ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS}).  For an app to use this, it also
676     * must hold the {@link android.Manifest.permission#REQUEST_IGNORE_BATTERY_OPTIMIZATIONS}
677     * permission.
678     * <p><b>Note:</b> most applications should <em>not</em> use this; there are many facilities
679     * provided by the platform for applications to operate correctly in the various power
680     * saving mode.  This is only for unusual applications that need to deeply control their own
681     * execution, at the potential expense of the user's battery life.  Note that these applications
682     * greatly run the risk of showing to the user as high power consumers on their device.</p>
683     * <p>
684     * Input: The Intent's data URI must specify the application package name
685     * to be shown, with the "package" scheme.  That is "package:com.my.app".
686     * <p>
687     * Output: Nothing.
688     * <p>
689     * You can use {@link android.os.PowerManager#isIgnoringBatteryOptimizations
690     * PowerManager.isIgnoringBatteryOptimizations()} to determine if an application is
691     * already ignoring optimizations.
692     */
693    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
694    public static final String ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS =
695            "android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS";
696
697    /**
698     * @hide
699     * Activity Action: Show the "app ops" settings screen.
700     * <p>
701     * Input: Nothing.
702     * <p>
703     * Output: Nothing.
704     */
705    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
706    public static final String ACTION_APP_OPS_SETTINGS =
707            "android.settings.APP_OPS_SETTINGS";
708
709    /**
710     * Activity Action: Show settings for system update functionality.
711     * <p>
712     * In some cases, a matching Activity may not exist, so ensure you
713     * safeguard against this.
714     * <p>
715     * Input: Nothing.
716     * <p>
717     * Output: Nothing.
718     *
719     * @hide
720     */
721    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
722    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
723            "android.settings.SYSTEM_UPDATE_SETTINGS";
724
725    /**
726     * Activity Action: Show settings to allow configuration of sync settings.
727     * <p>
728     * In some cases, a matching Activity may not exist, so ensure you
729     * safeguard against this.
730     * <p>
731     * The account types available to add via the add account button may be restricted by adding an
732     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
733     * authorities. Only account types which can sync with that content provider will be offered to
734     * the user.
735     * <p>
736     * Input: Nothing.
737     * <p>
738     * Output: Nothing.
739     */
740    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
741    public static final String ACTION_SYNC_SETTINGS =
742            "android.settings.SYNC_SETTINGS";
743
744    /**
745     * Activity Action: Show add account screen for creating a new account.
746     * <p>
747     * In some cases, a matching Activity may not exist, so ensure you
748     * safeguard against this.
749     * <p>
750     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
751     * extra to the Intent with one or more syncable content provider's authorities.  Only account
752     * types which can sync with that content provider will be offered to the user.
753     * <p>
754     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
755     * Intent with one or more account types.
756     * <p>
757     * Input: Nothing.
758     * <p>
759     * Output: Nothing.
760     */
761    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
762    public static final String ACTION_ADD_ACCOUNT =
763            "android.settings.ADD_ACCOUNT_SETTINGS";
764
765    /**
766     * Activity Action: Show settings for selecting the network operator.
767     * <p>
768     * In some cases, a matching Activity may not exist, so ensure you
769     * safeguard against this.
770     * <p>
771     * Input: Nothing.
772     * <p>
773     * Output: Nothing.
774     */
775    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
776    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
777            "android.settings.NETWORK_OPERATOR_SETTINGS";
778
779    /**
780     * Activity Action: Show settings for selection of 2G/3G.
781     * <p>
782     * In some cases, a matching Activity may not exist, so ensure you
783     * safeguard against this.
784     * <p>
785     * Input: Nothing.
786     * <p>
787     * Output: Nothing.
788     */
789    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
790    public static final String ACTION_DATA_ROAMING_SETTINGS =
791            "android.settings.DATA_ROAMING_SETTINGS";
792
793    /**
794     * Activity Action: Show settings for internal storage.
795     * <p>
796     * In some cases, a matching Activity may not exist, so ensure you
797     * safeguard against this.
798     * <p>
799     * Input: Nothing.
800     * <p>
801     * Output: Nothing.
802     */
803    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
804    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
805            "android.settings.INTERNAL_STORAGE_SETTINGS";
806    /**
807     * Activity Action: Show settings for memory card storage.
808     * <p>
809     * In some cases, a matching Activity may not exist, so ensure you
810     * safeguard against this.
811     * <p>
812     * Input: Nothing.
813     * <p>
814     * Output: Nothing.
815     */
816    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
817    public static final String ACTION_MEMORY_CARD_SETTINGS =
818            "android.settings.MEMORY_CARD_SETTINGS";
819
820    /**
821     * Activity Action: Show settings for global search.
822     * <p>
823     * In some cases, a matching Activity may not exist, so ensure you
824     * safeguard against this.
825     * <p>
826     * Input: Nothing.
827     * <p>
828     * Output: Nothing
829     */
830    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
831    public static final String ACTION_SEARCH_SETTINGS =
832        "android.search.action.SEARCH_SETTINGS";
833
834    /**
835     * Activity Action: Show general device information settings (serial
836     * number, software version, phone number, etc.).
837     * <p>
838     * In some cases, a matching Activity may not exist, so ensure you
839     * safeguard against this.
840     * <p>
841     * Input: Nothing.
842     * <p>
843     * Output: Nothing
844     */
845    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
846    public static final String ACTION_DEVICE_INFO_SETTINGS =
847        "android.settings.DEVICE_INFO_SETTINGS";
848
849    /**
850     * Activity Action: Show NFC settings.
851     * <p>
852     * This shows UI that allows NFC to be turned on or off.
853     * <p>
854     * In some cases, a matching Activity may not exist, so ensure you
855     * safeguard against this.
856     * <p>
857     * Input: Nothing.
858     * <p>
859     * Output: Nothing
860     * @see android.nfc.NfcAdapter#isEnabled()
861     */
862    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
863    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
864
865    /**
866     * Activity Action: Show NFC Sharing settings.
867     * <p>
868     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
869     * off.
870     * <p>
871     * In some cases, a matching Activity may not exist, so ensure you
872     * safeguard against this.
873     * <p>
874     * Input: Nothing.
875     * <p>
876     * Output: Nothing
877     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
878     */
879    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
880    public static final String ACTION_NFCSHARING_SETTINGS =
881        "android.settings.NFCSHARING_SETTINGS";
882
883    /**
884     * Activity Action: Show NFC Tap & Pay settings
885     * <p>
886     * This shows UI that allows the user to configure Tap&Pay
887     * settings.
888     * <p>
889     * In some cases, a matching Activity may not exist, so ensure you
890     * safeguard against this.
891     * <p>
892     * Input: Nothing.
893     * <p>
894     * Output: Nothing
895     */
896    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
897    public static final String ACTION_NFC_PAYMENT_SETTINGS =
898        "android.settings.NFC_PAYMENT_SETTINGS";
899
900    /**
901     * Activity Action: Show Daydream settings.
902     * <p>
903     * In some cases, a matching Activity may not exist, so ensure you
904     * safeguard against this.
905     * <p>
906     * Input: Nothing.
907     * <p>
908     * Output: Nothing.
909     * @see android.service.dreams.DreamService
910     */
911    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
912    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
913
914    /**
915     * Activity Action: Show Notification listener settings.
916     * <p>
917     * In some cases, a matching Activity may not exist, so ensure you
918     * safeguard against this.
919     * <p>
920     * Input: Nothing.
921     * <p>
922     * Output: Nothing.
923     * @see android.service.notification.NotificationListenerService
924     */
925    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
926    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
927            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
928
929    /**
930     * Activity Action: Show Do Not Disturb access settings.
931     * <p>
932     * Users can grant and deny access to Do Not Disturb configuration from here.
933     * See {@link android.app.NotificationManager#isNotificationPolicyAccessGranted()} for more
934     * details.
935     * <p>
936     * Input: Nothing.
937     * <p>
938     * Output: Nothing.
939     */
940    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
941    public static final String ACTION_NOTIFICATION_POLICY_ACCESS_SETTINGS
942            = "android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS";
943
944    /**
945     * @hide
946     */
947    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
948    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
949            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
950
951    /**
952     * Activity Action: Show settings for video captioning.
953     * <p>
954     * In some cases, a matching Activity may not exist, so ensure you safeguard
955     * against this.
956     * <p>
957     * Input: Nothing.
958     * <p>
959     * Output: Nothing.
960     */
961    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
962    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
963
964    /**
965     * Activity Action: Show the top level print settings.
966     * <p>
967     * In some cases, a matching Activity may not exist, so ensure you
968     * safeguard against this.
969     * <p>
970     * Input: Nothing.
971     * <p>
972     * Output: Nothing.
973     */
974    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
975    public static final String ACTION_PRINT_SETTINGS =
976            "android.settings.ACTION_PRINT_SETTINGS";
977
978    /**
979     * Activity Action: Show Zen Mode configuration settings.
980     *
981     * @hide
982     */
983    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
984    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
985
986    /**
987     * Activity Action: Show Zen Mode priority configuration settings.
988     *
989     * @hide
990     */
991    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
992    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
993            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
994
995    /**
996     * Activity Action: Show Zen Mode automation configuration settings.
997     *
998     * @hide
999     */
1000    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1001    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
1002            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
1003
1004    /**
1005     * Activity Action: Modify do not disturb mode settings.
1006     * <p>
1007     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1008     * <p>
1009     * This intent MUST be started using
1010     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1011     * startVoiceActivity}.
1012     * <p>
1013     * Note: The Activity implementing this intent MUST verify that
1014     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
1015     * returns true before modifying the setting.
1016     * <p>
1017     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
1018     * how long the user wishes to avoid interruptions for. The optional
1019     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
1020     * enabling or disabling do not disturb mode. If either extra is not included, the
1021     * user maybe asked to provide the value.
1022     * <p>
1023     * Output: Nothing.
1024     */
1025    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1026    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
1027            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
1028
1029    /**
1030     * Activity Action: Show Zen Mode schedule rule configuration settings.
1031     *
1032     * @hide
1033     */
1034    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1035    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
1036            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
1037
1038    /**
1039     * Activity Action: Show Zen Mode event rule configuration settings.
1040     *
1041     * @hide
1042     */
1043    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1044    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
1045            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
1046
1047    /**
1048     * Activity Action: Show Zen Mode external rule configuration settings.
1049     *
1050     * @hide
1051     */
1052    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1053    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
1054            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
1055
1056    /**
1057     * Activity Action: Show the regulatory information screen for the device.
1058     * <p>
1059     * In some cases, a matching Activity may not exist, so ensure you safeguard
1060     * against this.
1061     * <p>
1062     * Input: Nothing.
1063     * <p>
1064     * Output: Nothing.
1065     */
1066    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1067    public static final String
1068            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
1069
1070    /**
1071     * Activity Action: Show Device Name Settings.
1072     * <p>
1073     * In some cases, a matching Activity may not exist, so ensure you safeguard
1074     * against this.
1075     *
1076     * @hide
1077     */
1078    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1079    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
1080
1081    /**
1082     * Activity Action: Show pairing settings.
1083     * <p>
1084     * In some cases, a matching Activity may not exist, so ensure you safeguard
1085     * against this.
1086     *
1087     * @hide
1088     */
1089    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1090    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
1091
1092    /**
1093     * Activity Action: Show battery saver settings.
1094     * <p>
1095     * In some cases, a matching Activity may not exist, so ensure you safeguard
1096     * against this.
1097     */
1098    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1099    public static final String ACTION_BATTERY_SAVER_SETTINGS
1100            = "android.settings.BATTERY_SAVER_SETTINGS";
1101
1102    /**
1103     * Activity Action: Modify Battery Saver mode setting using a voice command.
1104     * <p>
1105     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
1106     * <p>
1107     * This intent MUST be started using
1108     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
1109     * startVoiceActivity}.
1110     * <p>
1111     * Note: The activity implementing this intent MUST verify that
1112     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
1113     * modifying the setting.
1114     * <p>
1115     * Input: To tell which state batter saver mode should be set to, add the
1116     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
1117     * If the extra is not included, no changes will be made.
1118     * <p>
1119     * Output: Nothing.
1120     */
1121    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1122    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1123            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1124
1125    /**
1126     * Activity Action: Show Home selection settings. If there are multiple activities
1127     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1128     * to pick your preferred activity.
1129     */
1130    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1131    public static final String ACTION_HOME_SETTINGS
1132            = "android.settings.HOME_SETTINGS";
1133
1134
1135
1136    /**
1137     * Activity Action: Show Default apps settings.
1138     * <p>
1139     * In some cases, a matching Activity may not exist, so ensure you
1140     * safeguard against this.
1141     * <p>
1142     * Input: Nothing.
1143     * <p>
1144     * Output: Nothing.
1145     */
1146    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1147    public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
1148            = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
1149
1150    /**
1151     * Activity Action: Show notification settings.
1152     *
1153     * @hide
1154     */
1155    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1156    public static final String ACTION_NOTIFICATION_SETTINGS
1157            = "android.settings.NOTIFICATION_SETTINGS";
1158
1159    /**
1160     * Activity Action: Show notification settings for a single app.
1161     *
1162     * @hide
1163     */
1164    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1165    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1166            = "android.settings.APP_NOTIFICATION_SETTINGS";
1167
1168    /**
1169     * Activity Action: Show notification redaction settings.
1170     *
1171     * @hide
1172     */
1173    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1174    public static final String ACTION_APP_NOTIFICATION_REDACTION
1175            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1176
1177    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1178    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1179
1180    /**
1181     * Activity Action: Show a dialog with disabled by policy message.
1182     * <p> If an user action is disabled by policy, this dialog can be triggered to let
1183     * the user know about this.
1184     * <p>
1185     * Input: Nothing.
1186     * <p>
1187     * Output: Nothing.
1188     */
1189    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1190    public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
1191            = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";
1192
1193    // End of Intent actions for Settings
1194
1195    /**
1196     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1197     */
1198    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1199
1200    /**
1201     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1202     */
1203    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1204
1205    /**
1206     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1207     */
1208    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1209
1210    /**
1211     * @hide - User handle argument extra to the fast-path call()-based requests
1212     */
1213    public static final String CALL_METHOD_USER_KEY = "_user";
1214
1215    /** @hide - Private call() method to write to 'system' table */
1216    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1217
1218    /** @hide - Private call() method to write to 'secure' table */
1219    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1220
1221    /** @hide - Private call() method to write to 'global' table */
1222    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1223
1224    /**
1225     * Activity Extra: Limit available options in launched activity based on the given authority.
1226     * <p>
1227     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1228     * provider's authorities as a String[]. This field is used by some intents to alter the
1229     * behavior of the called activity.
1230     * <p>
1231     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1232     * on the authority given.
1233     */
1234    public static final String EXTRA_AUTHORITIES = "authorities";
1235
1236    /**
1237     * Activity Extra: Limit available options in launched activity based on the given account
1238     * types.
1239     * <p>
1240     * This can be passed as an extra field in an Activity Intent with one or more account types
1241     * as a String[]. This field is used by some intents to alter the behavior of the called
1242     * activity.
1243     * <p>
1244     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1245     * list.
1246     */
1247    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1248
1249    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1250
1251    /**
1252     * Activity Extra: The device identifier to act upon.
1253     * <p>
1254     * This can be passed as an extra field in an Activity Intent with a single
1255     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1256     * settings for the given device.
1257     * <p>
1258     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1259     * dialog for the given device.
1260     * @hide
1261     */
1262    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1263
1264    /**
1265     * Activity Extra: Enable or disable Airplane Mode.
1266     * <p>
1267     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1268     * intent as a boolean to indicate if it should be enabled.
1269     */
1270    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1271
1272    /**
1273     * Activity Extra: Enable or disable Battery saver mode.
1274     * <p>
1275     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1276     * intent as a boolean to indicate if it should be enabled.
1277     */
1278    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1279            "android.settings.extra.battery_saver_mode_enabled";
1280
1281    /**
1282     * Activity Extra: Enable or disable Do Not Disturb mode.
1283     * <p>
1284     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1285     * intent as a boolean to indicate if it should be enabled.
1286     */
1287    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1288            "android.settings.extra.do_not_disturb_mode_enabled";
1289
1290    /**
1291     * Activity Extra: How many minutes to enable do not disturb mode for.
1292     * <p>
1293     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1294     * intent to indicate how long do not disturb mode should be enabled for.
1295     */
1296    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1297            "android.settings.extra.do_not_disturb_mode_minutes";
1298
1299    private static final String JID_RESOURCE_PREFIX = "android";
1300
1301    public static final String AUTHORITY = "settings";
1302
1303    private static final String TAG = "Settings";
1304    private static final boolean LOCAL_LOGV = false;
1305
1306    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1307    // with a partial enable/disable state in multi-threaded situations.
1308    private static final Object mLocationSettingsLock = new Object();
1309
1310    public static class SettingNotFoundException extends AndroidException {
1311        public SettingNotFoundException(String msg) {
1312            super(msg);
1313        }
1314    }
1315
1316    /**
1317     * Common base for tables of name/value settings.
1318     */
1319    public static class NameValueTable implements BaseColumns {
1320        public static final String NAME = "name";
1321        public static final String VALUE = "value";
1322
1323        protected static boolean putString(ContentResolver resolver, Uri uri,
1324                String name, String value) {
1325            // The database will take care of replacing duplicates.
1326            try {
1327                ContentValues values = new ContentValues();
1328                values.put(NAME, name);
1329                values.put(VALUE, value);
1330                resolver.insert(uri, values);
1331                return true;
1332            } catch (SQLException e) {
1333                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1334                return false;
1335            }
1336        }
1337
1338        public static Uri getUriFor(Uri uri, String name) {
1339            return Uri.withAppendedPath(uri, name);
1340        }
1341    }
1342
1343    // Thread-safe.
1344    private static class NameValueCache {
1345        private final String mVersionSystemProperty;
1346        private final Uri mUri;
1347
1348        private static final String[] SELECT_VALUE =
1349            new String[] { Settings.NameValueTable.VALUE };
1350        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1351
1352        // Must synchronize on 'this' to access mValues and mValuesVersion.
1353        private final HashMap<String, String> mValues = new HashMap<String, String>();
1354        private long mValuesVersion = 0;
1355
1356        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1357        private IContentProvider mContentProvider = null;
1358
1359        // The method we'll call (or null, to not use) on the provider
1360        // for the fast path of retrieving settings.
1361        private final String mCallGetCommand;
1362        private final String mCallSetCommand;
1363
1364        public NameValueCache(String versionSystemProperty, Uri uri,
1365                String getCommand, String setCommand) {
1366            mVersionSystemProperty = versionSystemProperty;
1367            mUri = uri;
1368            mCallGetCommand = getCommand;
1369            mCallSetCommand = setCommand;
1370        }
1371
1372        private IContentProvider lazyGetProvider(ContentResolver cr) {
1373            IContentProvider cp = null;
1374            synchronized (this) {
1375                cp = mContentProvider;
1376                if (cp == null) {
1377                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1378                }
1379            }
1380            return cp;
1381        }
1382
1383        public boolean putStringForUser(ContentResolver cr, String name, String value,
1384                final int userHandle) {
1385            try {
1386                Bundle arg = new Bundle();
1387                arg.putString(Settings.NameValueTable.VALUE, value);
1388                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1389                IContentProvider cp = lazyGetProvider(cr);
1390                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1391            } catch (RemoteException e) {
1392                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1393                return false;
1394            }
1395            return true;
1396        }
1397
1398        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1399            final boolean isSelf = (userHandle == UserHandle.myUserId());
1400            if (isSelf) {
1401                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1402
1403                // Our own user's settings data uses a client-side cache
1404                synchronized (this) {
1405                    if (mValuesVersion != newValuesVersion) {
1406                        if (LOCAL_LOGV || false) {
1407                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1408                                    + newValuesVersion + " != cached " + mValuesVersion);
1409                        }
1410
1411                        mValues.clear();
1412                        mValuesVersion = newValuesVersion;
1413                    }
1414
1415                    if (mValues.containsKey(name)) {
1416                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1417                    }
1418                }
1419            } else {
1420                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1421                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1422            }
1423
1424            IContentProvider cp = lazyGetProvider(cr);
1425
1426            // Try the fast path first, not using query().  If this
1427            // fails (alternate Settings provider that doesn't support
1428            // this interface?) then we fall back to the query/table
1429            // interface.
1430            if (mCallGetCommand != null) {
1431                try {
1432                    Bundle args = null;
1433                    if (!isSelf) {
1434                        args = new Bundle();
1435                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1436                    }
1437                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1438                    if (b != null) {
1439                        String value = b.getPairValue();
1440                        // Don't update our cache for reads of other users' data
1441                        if (isSelf) {
1442                            synchronized (this) {
1443                                mValues.put(name, value);
1444                            }
1445                        } else {
1446                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1447                                    + " by " + UserHandle.myUserId()
1448                                    + " so not updating cache");
1449                        }
1450                        return value;
1451                    }
1452                    // If the response Bundle is null, we fall through
1453                    // to the query interface below.
1454                } catch (RemoteException e) {
1455                    // Not supported by the remote side?  Fall through
1456                    // to query().
1457                }
1458            }
1459
1460            Cursor c = null;
1461            try {
1462                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1463                             new String[]{name}, null, null);
1464                if (c == null) {
1465                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1466                    return null;
1467                }
1468
1469                String value = c.moveToNext() ? c.getString(0) : null;
1470                synchronized (this) {
1471                    mValues.put(name, value);
1472                }
1473                if (LOCAL_LOGV) {
1474                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1475                            name + " = " + (value == null ? "(null)" : value));
1476                }
1477                return value;
1478            } catch (RemoteException e) {
1479                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1480                return null;  // Return null, but don't cache it.
1481            } finally {
1482                if (c != null) c.close();
1483            }
1484        }
1485    }
1486
1487    /**
1488     * An app can use this method to check if it is currently allowed to draw on top of other
1489     * apps. In order to be allowed to do so, an app must first declare the
1490     * {@link android.Manifest.permission#SYSTEM_ALERT_WINDOW} permission in its manifest. If it
1491     * is currently disallowed, it can prompt the user to grant it this capability through a
1492     * management UI by sending an Intent with action
1493     * {@link android.provider.Settings#ACTION_MANAGE_OVERLAY_PERMISSION}.
1494     *
1495     * @param context A context
1496     * @return true if the calling app can draw on top of other apps, false otherwise.
1497     */
1498    public static boolean canDrawOverlays(Context context) {
1499        int uid = Binder.getCallingUid();
1500        return Settings.isCallingPackageAllowedToDrawOverlays(context, uid, Settings
1501                .getPackageNameForUid(context, uid), false);
1502    }
1503
1504    /**
1505     * System settings, containing miscellaneous system preferences.  This
1506     * table holds simple name/value pairs.  There are convenience
1507     * functions for accessing individual settings entries.
1508     */
1509    public static final class System extends NameValueTable {
1510        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1511
1512        /** @hide */
1513        public static interface Validator {
1514            public boolean validate(String value);
1515        }
1516
1517        /**
1518         * The content:// style URL for this table
1519         */
1520        public static final Uri CONTENT_URI =
1521            Uri.parse("content://" + AUTHORITY + "/system");
1522
1523        private static final NameValueCache sNameValueCache = new NameValueCache(
1524                SYS_PROP_SETTING_VERSION,
1525                CONTENT_URI,
1526                CALL_METHOD_GET_SYSTEM,
1527                CALL_METHOD_PUT_SYSTEM);
1528
1529        private static final HashSet<String> MOVED_TO_SECURE;
1530        static {
1531            MOVED_TO_SECURE = new HashSet<String>(30);
1532            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1533            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1534            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1535            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1536            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1537            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1538            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1539            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1540            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1541            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1542            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1543            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1544            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1545            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1546            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1547            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1548            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1549            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1550            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1551            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1552            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1553            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1554            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1555            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1556            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1557            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1558            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1559            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1560
1561            // At one time in System, then Global, but now back in Secure
1562            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1563        }
1564
1565        private static final HashSet<String> MOVED_TO_GLOBAL;
1566        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1567        static {
1568            MOVED_TO_GLOBAL = new HashSet<String>();
1569            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1570
1571            // these were originally in system but migrated to secure in the past,
1572            // so are duplicated in the Secure.* namespace
1573            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1574            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1575            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1576            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1577            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1578            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1579
1580            // these are moving directly from system to global
1581            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1582            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1583            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1584            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1585            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1586            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1587            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1588            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1589            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1590            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1591            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1592            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1593            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1594            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1595            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1596            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1597            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1598            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1599            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1600            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1601            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1602            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1603            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1604            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1605            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1606            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1607            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1608            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1609            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1610            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1611            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1612            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1613            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1614            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1615            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1616            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1617        }
1618
1619        private static final Validator sBooleanValidator =
1620                new DiscreteValueValidator(new String[] {"0", "1"});
1621
1622        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1623            @Override
1624            public boolean validate(String value) {
1625                try {
1626                    return Integer.parseInt(value) >= 0;
1627                } catch (NumberFormatException e) {
1628                    return false;
1629                }
1630            }
1631        };
1632
1633        private static final Validator sUriValidator = new Validator() {
1634            @Override
1635            public boolean validate(String value) {
1636                try {
1637                    Uri.decode(value);
1638                    return true;
1639                } catch (IllegalArgumentException e) {
1640                    return false;
1641                }
1642            }
1643        };
1644
1645        private static final Validator sLenientIpAddressValidator = new Validator() {
1646            private static final int MAX_IPV6_LENGTH = 45;
1647
1648            @Override
1649            public boolean validate(String value) {
1650                return value.length() <= MAX_IPV6_LENGTH;
1651            }
1652        };
1653
1654        /** @hide */
1655        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1656            outKeySet.addAll(MOVED_TO_GLOBAL);
1657            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1658        }
1659
1660        /** @hide */
1661        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1662            outKeySet.addAll(MOVED_TO_SECURE);
1663        }
1664
1665        /** @hide */
1666        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1667            outKeySet.addAll(MOVED_TO_GLOBAL);
1668        }
1669
1670        /**
1671         * Look up a name in the database.
1672         * @param resolver to access the database with
1673         * @param name to look up in the table
1674         * @return the corresponding value, or null if not present
1675         */
1676        public static String getString(ContentResolver resolver, String name) {
1677            return getStringForUser(resolver, name, UserHandle.myUserId());
1678        }
1679
1680        /** @hide */
1681        public static String getStringForUser(ContentResolver resolver, String name,
1682                int userHandle) {
1683            if (MOVED_TO_SECURE.contains(name)) {
1684                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1685                        + " to android.provider.Settings.Secure, returning read-only value.");
1686                return Secure.getStringForUser(resolver, name, userHandle);
1687            }
1688            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1689                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1690                        + " to android.provider.Settings.Global, returning read-only value.");
1691                return Global.getStringForUser(resolver, name, userHandle);
1692            }
1693            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1694        }
1695
1696        /**
1697         * Store a name/value pair into the database.
1698         * @param resolver to access the database with
1699         * @param name to store
1700         * @param value to associate with the name
1701         * @return true if the value was set, false on database errors
1702         */
1703        public static boolean putString(ContentResolver resolver, String name, String value) {
1704            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1705        }
1706
1707        /** @hide */
1708        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1709                int userHandle) {
1710            if (MOVED_TO_SECURE.contains(name)) {
1711                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1712                        + " to android.provider.Settings.Secure, value is unchanged.");
1713                return false;
1714            }
1715            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1716                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1717                        + " to android.provider.Settings.Global, value is unchanged.");
1718                return false;
1719            }
1720            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1721        }
1722
1723        /**
1724         * Construct the content URI for a particular name/value pair,
1725         * useful for monitoring changes with a ContentObserver.
1726         * @param name to look up in the table
1727         * @return the corresponding content URI, or null if not present
1728         */
1729        public static Uri getUriFor(String name) {
1730            if (MOVED_TO_SECURE.contains(name)) {
1731                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1732                    + " to android.provider.Settings.Secure, returning Secure URI.");
1733                return Secure.getUriFor(Secure.CONTENT_URI, name);
1734            }
1735            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1736                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1737                        + " to android.provider.Settings.Global, returning read-only global URI.");
1738                return Global.getUriFor(Global.CONTENT_URI, name);
1739            }
1740            return getUriFor(CONTENT_URI, name);
1741        }
1742
1743        /**
1744         * Convenience function for retrieving a single system settings value
1745         * as an integer.  Note that internally setting values are always
1746         * stored as strings; this function converts the string to an integer
1747         * for you.  The default value will be returned if the setting is
1748         * not defined or not an integer.
1749         *
1750         * @param cr The ContentResolver to access.
1751         * @param name The name of the setting to retrieve.
1752         * @param def Value to return if the setting is not defined.
1753         *
1754         * @return The setting's current value, or 'def' if it is not defined
1755         * or not a valid integer.
1756         */
1757        public static int getInt(ContentResolver cr, String name, int def) {
1758            return getIntForUser(cr, name, def, UserHandle.myUserId());
1759        }
1760
1761        /** @hide */
1762        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1763            String v = getStringForUser(cr, name, userHandle);
1764            try {
1765                return v != null ? Integer.parseInt(v) : def;
1766            } catch (NumberFormatException e) {
1767                return def;
1768            }
1769        }
1770
1771        /**
1772         * Convenience function for retrieving a single system settings value
1773         * as an integer.  Note that internally setting values are always
1774         * stored as strings; this function converts the string to an integer
1775         * for you.
1776         * <p>
1777         * This version does not take a default value.  If the setting has not
1778         * been set, or the string value is not a number,
1779         * it throws {@link SettingNotFoundException}.
1780         *
1781         * @param cr The ContentResolver to access.
1782         * @param name The name of the setting to retrieve.
1783         *
1784         * @throws SettingNotFoundException Thrown if a setting by the given
1785         * name can't be found or the setting value is not an integer.
1786         *
1787         * @return The setting's current value.
1788         */
1789        public static int getInt(ContentResolver cr, String name)
1790                throws SettingNotFoundException {
1791            return getIntForUser(cr, name, UserHandle.myUserId());
1792        }
1793
1794        /** @hide */
1795        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1796                throws SettingNotFoundException {
1797            String v = getStringForUser(cr, name, userHandle);
1798            try {
1799                return Integer.parseInt(v);
1800            } catch (NumberFormatException e) {
1801                throw new SettingNotFoundException(name);
1802            }
1803        }
1804
1805        /**
1806         * Convenience function for updating a single settings value as an
1807         * integer. This will either create a new entry in the table if the
1808         * given name does not exist, or modify the value of the existing row
1809         * with that name.  Note that internally setting values are always
1810         * stored as strings, so this function converts the given value to a
1811         * string before storing it.
1812         *
1813         * @param cr The ContentResolver to access.
1814         * @param name The name of the setting to modify.
1815         * @param value The new value for the setting.
1816         * @return true if the value was set, false on database errors
1817         */
1818        public static boolean putInt(ContentResolver cr, String name, int value) {
1819            return putIntForUser(cr, name, value, UserHandle.myUserId());
1820        }
1821
1822        /** @hide */
1823        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1824                int userHandle) {
1825            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1826        }
1827
1828        /**
1829         * Convenience function for retrieving a single system settings value
1830         * as a {@code long}.  Note that internally setting values are always
1831         * stored as strings; this function converts the string to a {@code long}
1832         * for you.  The default value will be returned if the setting is
1833         * not defined or not a {@code long}.
1834         *
1835         * @param cr The ContentResolver to access.
1836         * @param name The name of the setting to retrieve.
1837         * @param def Value to return if the setting is not defined.
1838         *
1839         * @return The setting's current value, or 'def' if it is not defined
1840         * or not a valid {@code long}.
1841         */
1842        public static long getLong(ContentResolver cr, String name, long def) {
1843            return getLongForUser(cr, name, def, UserHandle.myUserId());
1844        }
1845
1846        /** @hide */
1847        public static long getLongForUser(ContentResolver cr, String name, long def,
1848                int userHandle) {
1849            String valString = getStringForUser(cr, name, userHandle);
1850            long value;
1851            try {
1852                value = valString != null ? Long.parseLong(valString) : def;
1853            } catch (NumberFormatException e) {
1854                value = def;
1855            }
1856            return value;
1857        }
1858
1859        /**
1860         * Convenience function for retrieving a single system settings value
1861         * as a {@code long}.  Note that internally setting values are always
1862         * stored as strings; this function converts the string to a {@code long}
1863         * for you.
1864         * <p>
1865         * This version does not take a default value.  If the setting has not
1866         * been set, or the string value is not a number,
1867         * it throws {@link SettingNotFoundException}.
1868         *
1869         * @param cr The ContentResolver to access.
1870         * @param name The name of the setting to retrieve.
1871         *
1872         * @return The setting's current value.
1873         * @throws SettingNotFoundException Thrown if a setting by the given
1874         * name can't be found or the setting value is not an integer.
1875         */
1876        public static long getLong(ContentResolver cr, String name)
1877                throws SettingNotFoundException {
1878            return getLongForUser(cr, name, UserHandle.myUserId());
1879        }
1880
1881        /** @hide */
1882        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1883                throws SettingNotFoundException {
1884            String valString = getStringForUser(cr, name, userHandle);
1885            try {
1886                return Long.parseLong(valString);
1887            } catch (NumberFormatException e) {
1888                throw new SettingNotFoundException(name);
1889            }
1890        }
1891
1892        /**
1893         * Convenience function for updating a single settings value as a long
1894         * integer. This will either create a new entry in the table if the
1895         * given name does not exist, or modify the value of the existing row
1896         * with that name.  Note that internally setting values are always
1897         * stored as strings, so this function converts the given value to a
1898         * string before storing it.
1899         *
1900         * @param cr The ContentResolver to access.
1901         * @param name The name of the setting to modify.
1902         * @param value The new value for the setting.
1903         * @return true if the value was set, false on database errors
1904         */
1905        public static boolean putLong(ContentResolver cr, String name, long value) {
1906            return putLongForUser(cr, name, value, UserHandle.myUserId());
1907        }
1908
1909        /** @hide */
1910        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1911                int userHandle) {
1912            return putStringForUser(cr, name, Long.toString(value), userHandle);
1913        }
1914
1915        /**
1916         * Convenience function for retrieving a single system settings value
1917         * as a floating point number.  Note that internally setting values are
1918         * always stored as strings; this function converts the string to an
1919         * float for you. The default value will be returned if the setting
1920         * is not defined or not a valid float.
1921         *
1922         * @param cr The ContentResolver to access.
1923         * @param name The name of the setting to retrieve.
1924         * @param def Value to return if the setting is not defined.
1925         *
1926         * @return The setting's current value, or 'def' if it is not defined
1927         * or not a valid float.
1928         */
1929        public static float getFloat(ContentResolver cr, String name, float def) {
1930            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1931        }
1932
1933        /** @hide */
1934        public static float getFloatForUser(ContentResolver cr, String name, float def,
1935                int userHandle) {
1936            String v = getStringForUser(cr, name, userHandle);
1937            try {
1938                return v != null ? Float.parseFloat(v) : def;
1939            } catch (NumberFormatException e) {
1940                return def;
1941            }
1942        }
1943
1944        /**
1945         * Convenience function for retrieving a single system settings value
1946         * as a float.  Note that internally setting values are always
1947         * stored as strings; this function converts the string to a float
1948         * for you.
1949         * <p>
1950         * This version does not take a default value.  If the setting has not
1951         * been set, or the string value is not a number,
1952         * it throws {@link SettingNotFoundException}.
1953         *
1954         * @param cr The ContentResolver to access.
1955         * @param name The name of the setting to retrieve.
1956         *
1957         * @throws SettingNotFoundException Thrown if a setting by the given
1958         * name can't be found or the setting value is not a float.
1959         *
1960         * @return The setting's current value.
1961         */
1962        public static float getFloat(ContentResolver cr, String name)
1963                throws SettingNotFoundException {
1964            return getFloatForUser(cr, name, UserHandle.myUserId());
1965        }
1966
1967        /** @hide */
1968        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1969                throws SettingNotFoundException {
1970            String v = getStringForUser(cr, name, userHandle);
1971            if (v == null) {
1972                throw new SettingNotFoundException(name);
1973            }
1974            try {
1975                return Float.parseFloat(v);
1976            } catch (NumberFormatException e) {
1977                throw new SettingNotFoundException(name);
1978            }
1979        }
1980
1981        /**
1982         * Convenience function for updating a single settings value as a
1983         * floating point number. This will either create a new entry in the
1984         * table if the given name does not exist, or modify the value of the
1985         * existing row with that name.  Note that internally setting values
1986         * are always stored as strings, so this function converts the given
1987         * value to a string before storing it.
1988         *
1989         * @param cr The ContentResolver to access.
1990         * @param name The name of the setting to modify.
1991         * @param value The new value for the setting.
1992         * @return true if the value was set, false on database errors
1993         */
1994        public static boolean putFloat(ContentResolver cr, String name, float value) {
1995            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1996        }
1997
1998        /** @hide */
1999        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
2000                int userHandle) {
2001            return putStringForUser(cr, name, Float.toString(value), userHandle);
2002        }
2003
2004        /**
2005         * Convenience function to read all of the current
2006         * configuration-related settings into a
2007         * {@link Configuration} object.
2008         *
2009         * @param cr The ContentResolver to access.
2010         * @param outConfig Where to place the configuration settings.
2011         */
2012        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
2013            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
2014        }
2015
2016        /** @hide */
2017        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
2018                int userHandle) {
2019            outConfig.fontScale = Settings.System.getFloatForUser(
2020                cr, FONT_SCALE, outConfig.fontScale, userHandle);
2021            if (outConfig.fontScale < 0) {
2022                outConfig.fontScale = 1;
2023            }
2024        }
2025
2026        /**
2027         * @hide Erase the fields in the Configuration that should be applied
2028         * by the settings.
2029         */
2030        public static void clearConfiguration(Configuration inoutConfig) {
2031            inoutConfig.fontScale = 0;
2032        }
2033
2034        /**
2035         * Convenience function to write a batch of configuration-related
2036         * settings from a {@link Configuration} object.
2037         *
2038         * @param cr The ContentResolver to access.
2039         * @param config The settings to write.
2040         * @return true if the values were set, false on database errors
2041         */
2042        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
2043            return putConfigurationForUser(cr, config, UserHandle.myUserId());
2044        }
2045
2046        /** @hide */
2047        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
2048                int userHandle) {
2049            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
2050        }
2051
2052        /** @hide */
2053        public static boolean hasInterestingConfigurationChanges(int changes) {
2054            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
2055        }
2056
2057        /** @deprecated - Do not use */
2058        @Deprecated
2059        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
2060            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
2061        }
2062
2063        /**
2064         * @hide
2065         * @deprecated - Do not use
2066         */
2067        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
2068                int userHandle) {
2069            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
2070        }
2071
2072        /** @deprecated - Do not use */
2073        @Deprecated
2074        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
2075            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
2076        }
2077
2078        /**
2079         * @hide
2080         * @deprecated - Do not use
2081         */
2082        @Deprecated
2083        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
2084                int userHandle) {
2085            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
2086        }
2087
2088        private static final class DiscreteValueValidator implements Validator {
2089            private final String[] mValues;
2090
2091            public DiscreteValueValidator(String[] values) {
2092                mValues = values;
2093            }
2094
2095            @Override
2096            public boolean validate(String value) {
2097                return ArrayUtils.contains(mValues, value);
2098            }
2099        }
2100
2101        private static final class InclusiveIntegerRangeValidator implements Validator {
2102            private final int mMin;
2103            private final int mMax;
2104
2105            public InclusiveIntegerRangeValidator(int min, int max) {
2106                mMin = min;
2107                mMax = max;
2108            }
2109
2110            @Override
2111            public boolean validate(String value) {
2112                try {
2113                    final int intValue = Integer.parseInt(value);
2114                    return intValue >= mMin && intValue <= mMax;
2115                } catch (NumberFormatException e) {
2116                    return false;
2117                }
2118            }
2119        }
2120
2121        private static final class InclusiveFloatRangeValidator implements Validator {
2122            private final float mMin;
2123            private final float mMax;
2124
2125            public InclusiveFloatRangeValidator(float min, float max) {
2126                mMin = min;
2127                mMax = max;
2128            }
2129
2130            @Override
2131            public boolean validate(String value) {
2132                try {
2133                    final float floatValue = Float.parseFloat(value);
2134                    return floatValue >= mMin && floatValue <= mMax;
2135                } catch (NumberFormatException e) {
2136                    return false;
2137                }
2138            }
2139        }
2140
2141        /**
2142         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
2143         */
2144        @Deprecated
2145        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
2146
2147        /**
2148         * What happens when the user presses the end call button if they're not
2149         * on a call.<br/>
2150         * <b>Values:</b><br/>
2151         * 0 - The end button does nothing.<br/>
2152         * 1 - The end button goes to the home screen.<br/>
2153         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
2154         * 3 - The end button goes to the home screen.  If the user is already on the
2155         * home screen, it puts the device to sleep.
2156         */
2157        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
2158
2159        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
2160                new InclusiveIntegerRangeValidator(0, 3);
2161
2162        /**
2163         * END_BUTTON_BEHAVIOR value for "go home".
2164         * @hide
2165         */
2166        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2167
2168        /**
2169         * END_BUTTON_BEHAVIOR value for "go to sleep".
2170         * @hide
2171         */
2172        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2173
2174        /**
2175         * END_BUTTON_BEHAVIOR default value.
2176         * @hide
2177         */
2178        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2179
2180        /**
2181         * Is advanced settings mode turned on. 0 == no, 1 == yes
2182         * @hide
2183         */
2184        public static final String ADVANCED_SETTINGS = "advanced_settings";
2185
2186        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2187
2188        /**
2189         * ADVANCED_SETTINGS default value.
2190         * @hide
2191         */
2192        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2193
2194        /**
2195         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2196         */
2197        @Deprecated
2198        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2199
2200        /**
2201         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2202         */
2203        @Deprecated
2204        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2205
2206        /**
2207         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2208         */
2209        @Deprecated
2210        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2211
2212        /**
2213         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2214         * {@hide}
2215         */
2216        @Deprecated
2217        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2218
2219        /**
2220         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2221         */
2222        @Deprecated
2223        public static final String RADIO_CELL = Global.RADIO_CELL;
2224
2225        /**
2226         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2227         */
2228        @Deprecated
2229        public static final String RADIO_NFC = Global.RADIO_NFC;
2230
2231        /**
2232         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2233         */
2234        @Deprecated
2235        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2236
2237        /**
2238         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2239         *
2240         * {@hide}
2241         */
2242        @Deprecated
2243        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2244                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2245
2246        /**
2247         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2248         */
2249        @Deprecated
2250        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2251
2252        /**
2253         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2254         */
2255        @Deprecated
2256        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2257
2258        /**
2259         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2260         */
2261        @Deprecated
2262        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2263                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2264
2265        /**
2266         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2267         */
2268        @Deprecated
2269        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2270
2271        /**
2272         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2273         */
2274        @Deprecated
2275        public static final String MODE_RINGER = Global.MODE_RINGER;
2276
2277        /**
2278         * Whether to use static IP and other static network attributes.
2279         * <p>
2280         * Set to 1 for true and 0 for false.
2281         *
2282         * @deprecated Use {@link WifiManager} instead
2283         */
2284        @Deprecated
2285        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2286
2287        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2288
2289        /**
2290         * The static IP address.
2291         * <p>
2292         * Example: "192.168.1.51"
2293         *
2294         * @deprecated Use {@link WifiManager} instead
2295         */
2296        @Deprecated
2297        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2298
2299        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2300
2301        /**
2302         * If using static IP, the gateway's IP address.
2303         * <p>
2304         * Example: "192.168.1.1"
2305         *
2306         * @deprecated Use {@link WifiManager} instead
2307         */
2308        @Deprecated
2309        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2310
2311        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2312
2313        /**
2314         * If using static IP, the net mask.
2315         * <p>
2316         * Example: "255.255.255.0"
2317         *
2318         * @deprecated Use {@link WifiManager} instead
2319         */
2320        @Deprecated
2321        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2322
2323        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2324
2325        /**
2326         * If using static IP, the primary DNS's IP address.
2327         * <p>
2328         * Example: "192.168.1.1"
2329         *
2330         * @deprecated Use {@link WifiManager} instead
2331         */
2332        @Deprecated
2333        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2334
2335        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2336
2337        /**
2338         * If using static IP, the secondary DNS's IP address.
2339         * <p>
2340         * Example: "192.168.1.2"
2341         *
2342         * @deprecated Use {@link WifiManager} instead
2343         */
2344        @Deprecated
2345        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2346
2347        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2348
2349        /**
2350         * Determines whether remote devices may discover and/or connect to
2351         * this device.
2352         * <P>Type: INT</P>
2353         * 2 -- discoverable and connectable
2354         * 1 -- connectable but not discoverable
2355         * 0 -- neither connectable nor discoverable
2356         */
2357        public static final String BLUETOOTH_DISCOVERABILITY =
2358            "bluetooth_discoverability";
2359
2360        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2361                new InclusiveIntegerRangeValidator(0, 2);
2362
2363        /**
2364         * Bluetooth discoverability timeout.  If this value is nonzero, then
2365         * Bluetooth becomes discoverable for a certain number of seconds,
2366         * after which is becomes simply connectable.  The value is in seconds.
2367         */
2368        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2369            "bluetooth_discoverability_timeout";
2370
2371        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2372                sNonNegativeIntegerValidator;
2373
2374        /**
2375         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2376         * instead
2377         */
2378        @Deprecated
2379        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2380
2381        /**
2382         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2383         * instead
2384         */
2385        @Deprecated
2386        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2387
2388        /**
2389         * @deprecated Use
2390         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2391         * instead
2392         */
2393        @Deprecated
2394        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2395            "lock_pattern_tactile_feedback_enabled";
2396
2397        /**
2398         * A formatted string of the next alarm that is set, or the empty string
2399         * if there is no alarm set.
2400         *
2401         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2402         */
2403        @Deprecated
2404        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2405
2406        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2407            private static final int MAX_LENGTH = 1000;
2408
2409            @Override
2410            public boolean validate(String value) {
2411                // TODO: No idea what the correct format is.
2412                return value == null || value.length() < MAX_LENGTH;
2413            }
2414        };
2415
2416        /**
2417         * Scaling factor for fonts, float.
2418         */
2419        public static final String FONT_SCALE = "font_scale";
2420
2421        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2422            @Override
2423            public boolean validate(String value) {
2424                try {
2425                    return Float.parseFloat(value) >= 0;
2426                } catch (NumberFormatException e) {
2427                    return false;
2428                }
2429            }
2430        };
2431
2432        /**
2433         * Name of an application package to be debugged.
2434         *
2435         * @deprecated Use {@link Global#DEBUG_APP} instead
2436         */
2437        @Deprecated
2438        public static final String DEBUG_APP = Global.DEBUG_APP;
2439
2440        /**
2441         * If 1, when launching DEBUG_APP it will wait for the debugger before
2442         * starting user code.  If 0, it will run normally.
2443         *
2444         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2445         */
2446        @Deprecated
2447        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2448
2449        /**
2450         * Whether or not to dim the screen. 0=no  1=yes
2451         * @deprecated This setting is no longer used.
2452         */
2453        @Deprecated
2454        public static final String DIM_SCREEN = "dim_screen";
2455
2456        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2457
2458        /**
2459         * The amount of time in milliseconds before the device goes to sleep or begins
2460         * to dream after a period of inactivity.  This value is also known as the
2461         * user activity timeout period since the screen isn't necessarily turned off
2462         * when it expires.
2463         */
2464        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2465
2466        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2467
2468        /**
2469         * The screen backlight brightness between 0 and 255.
2470         */
2471        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2472
2473        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2474                new InclusiveIntegerRangeValidator(0, 255);
2475
2476        /**
2477         * Control whether to enable automatic brightness mode.
2478         */
2479        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2480
2481        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2482
2483        /**
2484         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2485         * or less (<0.0 >-1.0) bright.
2486         * @hide
2487         */
2488        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2489
2490        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2491                new InclusiveFloatRangeValidator(-1, 1);
2492
2493        /**
2494         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2495         */
2496        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2497
2498        /**
2499         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2500         */
2501        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2502
2503        /**
2504         * Control whether the process CPU usage meter should be shown.
2505         *
2506         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2507         */
2508        @Deprecated
2509        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2510
2511        /**
2512         * If 1, the activity manager will aggressively finish activities and
2513         * processes as soon as they are no longer needed.  If 0, the normal
2514         * extended lifetime is used.
2515         *
2516         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2517         */
2518        @Deprecated
2519        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2520
2521        /**
2522         * Determines which streams are affected by ringer mode changes. The
2523         * stream type's bit should be set to 1 if it should be muted when going
2524         * into an inaudible ringer mode.
2525         */
2526        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2527
2528        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2529                sNonNegativeIntegerValidator;
2530
2531        /**
2532          * Determines which streams are affected by mute. The
2533          * stream type's bit should be set to 1 if it should be muted when a mute request
2534          * is received.
2535          */
2536        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2537
2538        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2539                sNonNegativeIntegerValidator;
2540
2541        /**
2542         * Whether vibrate is on for different events. This is used internally,
2543         * changing this value will not change the vibrate. See AudioManager.
2544         */
2545        public static final String VIBRATE_ON = "vibrate_on";
2546
2547        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2548
2549        /**
2550         * If 1, redirects the system vibrator to all currently attached input devices
2551         * that support vibration.  If there are no such input devices, then the system
2552         * vibrator is used instead.
2553         * If 0, does not register the system vibrator.
2554         *
2555         * This setting is mainly intended to provide a compatibility mechanism for
2556         * applications that only know about the system vibrator and do not use the
2557         * input device vibrator API.
2558         *
2559         * @hide
2560         */
2561        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2562
2563        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2564
2565        /**
2566         * Ringer volume. This is used internally, changing this value will not
2567         * change the volume. See AudioManager.
2568         *
2569         * @removed Not used by anything since API 2.
2570         */
2571        public static final String VOLUME_RING = "volume_ring";
2572
2573        /**
2574         * System/notifications volume. This is used internally, changing this
2575         * value will not change the volume. See AudioManager.
2576         *
2577         * @removed Not used by anything since API 2.
2578         */
2579        public static final String VOLUME_SYSTEM = "volume_system";
2580
2581        /**
2582         * Voice call volume. This is used internally, changing this value will
2583         * not change the volume. See AudioManager.
2584         *
2585         * @removed Not used by anything since API 2.
2586         */
2587        public static final String VOLUME_VOICE = "volume_voice";
2588
2589        /**
2590         * Music/media/gaming volume. This is used internally, changing this
2591         * value will not change the volume. See AudioManager.
2592         *
2593         * @removed Not used by anything since API 2.
2594         */
2595        public static final String VOLUME_MUSIC = "volume_music";
2596
2597        /**
2598         * Alarm volume. This is used internally, changing this
2599         * value will not change the volume. See AudioManager.
2600         *
2601         * @removed Not used by anything since API 2.
2602         */
2603        public static final String VOLUME_ALARM = "volume_alarm";
2604
2605        /**
2606         * Notification volume. This is used internally, changing this
2607         * value will not change the volume. See AudioManager.
2608         *
2609         * @removed Not used by anything since API 2.
2610         */
2611        public static final String VOLUME_NOTIFICATION = "volume_notification";
2612
2613        /**
2614         * Bluetooth Headset volume. This is used internally, changing this value will
2615         * not change the volume. See AudioManager.
2616         *
2617         * @removed Not used by anything since API 2.
2618         */
2619        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2620
2621        /**
2622         * Master volume (float in the range 0.0f to 1.0f).
2623         *
2624         * @hide
2625         */
2626        public static final String VOLUME_MASTER = "volume_master";
2627
2628        /**
2629         * Master volume mute (int 1 = mute, 0 = not muted).
2630         *
2631         * @hide
2632         */
2633        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2634
2635        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2636
2637        /**
2638         * Microphone mute (int 1 = mute, 0 = not muted).
2639         *
2640         * @hide
2641         */
2642        public static final String MICROPHONE_MUTE = "microphone_mute";
2643
2644        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2645
2646        /**
2647         * Master mono (int 1 = mono, 0 = normal).
2648         *
2649         * @hide
2650         */
2651        public static final String MASTER_MONO = "master_mono";
2652
2653        private static final Validator MASTER_MONO_VALIDATOR = sBooleanValidator;
2654
2655        /**
2656         * Whether the notifications should use the ring volume (value of 1) or
2657         * a separate notification volume (value of 0). In most cases, users
2658         * will have this enabled so the notification and ringer volumes will be
2659         * the same. However, power users can disable this and use the separate
2660         * notification volume control.
2661         * <p>
2662         * Note: This is a one-off setting that will be removed in the future
2663         * when there is profile support. For this reason, it is kept hidden
2664         * from the public APIs.
2665         *
2666         * @hide
2667         * @deprecated
2668         */
2669        @Deprecated
2670        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2671            "notifications_use_ring_volume";
2672
2673        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2674
2675        /**
2676         * Whether silent mode should allow vibration feedback. This is used
2677         * internally in AudioService and the Sound settings activity to
2678         * coordinate decoupling of vibrate and silent modes. This setting
2679         * will likely be removed in a future release with support for
2680         * audio/vibe feedback profiles.
2681         *
2682         * Not used anymore. On devices with vibrator, the user explicitly selects
2683         * silent or vibrate mode.
2684         * Kept for use by legacy database upgrade code in DatabaseHelper.
2685         * @hide
2686         */
2687        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2688
2689        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2690
2691        /**
2692         * The mapping of stream type (integer) to its setting.
2693         *
2694         * @removed  Not used by anything since API 2.
2695         */
2696        public static final String[] VOLUME_SETTINGS = {
2697            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2698            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2699        };
2700
2701        /**
2702         * Appended to various volume related settings to record the previous
2703         * values before they the settings were affected by a silent/vibrate
2704         * ringer mode change.
2705         *
2706         * @removed  Not used by anything since API 2.
2707         */
2708        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2709
2710        /**
2711         * Persistent store for the system-wide default ringtone URI.
2712         * <p>
2713         * If you need to play the default ringtone at any given time, it is recommended
2714         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2715         * to the set default ringtone at the time of playing.
2716         *
2717         * @see #DEFAULT_RINGTONE_URI
2718         */
2719        public static final String RINGTONE = "ringtone";
2720
2721        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2722
2723        /**
2724         * A {@link Uri} that will point to the current default ringtone at any
2725         * given time.
2726         * <p>
2727         * If the current default ringtone is in the DRM provider and the caller
2728         * does not have permission, the exception will be a
2729         * FileNotFoundException.
2730         */
2731        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2732
2733        /**
2734         * Persistent store for the system-wide default notification sound.
2735         *
2736         * @see #RINGTONE
2737         * @see #DEFAULT_NOTIFICATION_URI
2738         */
2739        public static final String NOTIFICATION_SOUND = "notification_sound";
2740
2741        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2742
2743        /**
2744         * A {@link Uri} that will point to the current default notification
2745         * sound at any given time.
2746         *
2747         * @see #DEFAULT_RINGTONE_URI
2748         */
2749        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2750
2751        /**
2752         * Persistent store for the system-wide default alarm alert.
2753         *
2754         * @see #RINGTONE
2755         * @see #DEFAULT_ALARM_ALERT_URI
2756         */
2757        public static final String ALARM_ALERT = "alarm_alert";
2758
2759        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2760
2761        /**
2762         * A {@link Uri} that will point to the current default alarm alert at
2763         * any given time.
2764         *
2765         * @see #DEFAULT_ALARM_ALERT_URI
2766         */
2767        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2768
2769        /**
2770         * Persistent store for the system default media button event receiver.
2771         *
2772         * @hide
2773         */
2774        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2775
2776        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2777            @Override
2778            public boolean validate(String value) {
2779                try {
2780                    ComponentName.unflattenFromString(value);
2781                    return true;
2782                } catch (NullPointerException e) {
2783                    return false;
2784                }
2785            }
2786        };
2787
2788        /**
2789         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2790         */
2791        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2792
2793        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2794
2795        /**
2796         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2797         */
2798        public static final String TEXT_AUTO_CAPS = "auto_caps";
2799
2800        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2801
2802        /**
2803         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2804         * feature converts two spaces to a "." and space.
2805         */
2806        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2807
2808        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2809
2810        /**
2811         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2812         */
2813        public static final String TEXT_SHOW_PASSWORD = "show_password";
2814
2815        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2816
2817        public static final String SHOW_GTALK_SERVICE_STATUS =
2818                "SHOW_GTALK_SERVICE_STATUS";
2819
2820        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2821
2822        /**
2823         * Name of activity to use for wallpaper on the home screen.
2824         *
2825         * @deprecated Use {@link WallpaperManager} instead.
2826         */
2827        @Deprecated
2828        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2829
2830        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2831            private static final int MAX_LENGTH = 1000;
2832
2833            @Override
2834            public boolean validate(String value) {
2835                if (value != null && value.length() > MAX_LENGTH) {
2836                    return false;
2837                }
2838                return ComponentName.unflattenFromString(value) != null;
2839            }
2840        };
2841
2842        /**
2843         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2844         * instead
2845         */
2846        @Deprecated
2847        public static final String AUTO_TIME = Global.AUTO_TIME;
2848
2849        /**
2850         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2851         * instead
2852         */
2853        @Deprecated
2854        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2855
2856        /**
2857         * Display times as 12 or 24 hours
2858         *   12
2859         *   24
2860         */
2861        public static final String TIME_12_24 = "time_12_24";
2862
2863        /** @hide */
2864        public static final Validator TIME_12_24_VALIDATOR =
2865                new DiscreteValueValidator(new String[] {"12", "24"});
2866
2867        /**
2868         * Date format string
2869         *   mm/dd/yyyy
2870         *   dd/mm/yyyy
2871         *   yyyy/mm/dd
2872         */
2873        public static final String DATE_FORMAT = "date_format";
2874
2875        /** @hide */
2876        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2877            @Override
2878            public boolean validate(String value) {
2879                try {
2880                    new SimpleDateFormat(value);
2881                    return true;
2882                } catch (IllegalArgumentException e) {
2883                    return false;
2884                }
2885            }
2886        };
2887
2888        /**
2889         * Whether the setup wizard has been run before (on first boot), or if
2890         * it still needs to be run.
2891         *
2892         * nonzero = it has been run in the past
2893         * 0 = it has not been run in the past
2894         */
2895        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2896
2897        /** @hide */
2898        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2899
2900        /**
2901         * Scaling factor for normal window animations. Setting to 0 will disable window
2902         * animations.
2903         *
2904         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2905         */
2906        @Deprecated
2907        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2908
2909        /**
2910         * Scaling factor for activity transition animations. Setting to 0 will disable window
2911         * animations.
2912         *
2913         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2914         */
2915        @Deprecated
2916        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2917
2918        /**
2919         * Scaling factor for Animator-based animations. This affects both the start delay and
2920         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2921         * The default value is 1.
2922         *
2923         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2924         */
2925        @Deprecated
2926        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2927
2928        /**
2929         * Control whether the accelerometer will be used to change screen
2930         * orientation.  If 0, it will not be used unless explicitly requested
2931         * by the application; if 1, it will be used by default unless explicitly
2932         * disabled by the application.
2933         */
2934        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2935
2936        /** @hide */
2937        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2938
2939        /**
2940         * Default screen rotation when no other policy applies.
2941         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2942         * preference, this rotation value will be used. Must be one of the
2943         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2944         *
2945         * @see android.view.Display#getRotation
2946         */
2947        public static final String USER_ROTATION = "user_rotation";
2948
2949        /** @hide */
2950        public static final Validator USER_ROTATION_VALIDATOR =
2951                new InclusiveIntegerRangeValidator(0, 3);
2952
2953        /**
2954         * Control whether the rotation lock toggle in the System UI should be hidden.
2955         * Typically this is done for accessibility purposes to make it harder for
2956         * the user to accidentally toggle the rotation lock while the display rotation
2957         * has been locked for accessibility.
2958         *
2959         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2960         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2961         *
2962         * @hide
2963         */
2964        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2965                "hide_rotation_lock_toggle_for_accessibility";
2966
2967        /** @hide */
2968        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2969                sBooleanValidator;
2970
2971        /**
2972         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2973         * be used by Phone and Setting apps; it shouldn't affect other apps.
2974         * The value is boolean (1 or 0).
2975         *
2976         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2977         * It was about AudioManager's setting and thus affected all the applications which
2978         * relied on the setting, while this is purely about the vibration setting for incoming
2979         * calls.
2980         */
2981        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2982
2983        /** @hide */
2984        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2985
2986        /**
2987         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2988         * boolean (1 or 0).
2989         */
2990        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2991
2992        /** @hide */
2993        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2994
2995        /**
2996         * CDMA only settings
2997         * DTMF tone type played by the dialer when dialing.
2998         *                 0 = Normal
2999         *                 1 = Long
3000         */
3001        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
3002
3003        /** @hide */
3004        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
3005
3006        /**
3007         * Whether the hearing aid is enabled. The value is
3008         * boolean (1 or 0).
3009         * @hide
3010         */
3011        public static final String HEARING_AID = "hearing_aid";
3012
3013        /** @hide */
3014        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
3015
3016        /**
3017         * CDMA only settings
3018         * TTY Mode
3019         * 0 = OFF
3020         * 1 = FULL
3021         * 2 = VCO
3022         * 3 = HCO
3023         * @hide
3024         */
3025        public static final String TTY_MODE = "tty_mode";
3026
3027        /** @hide */
3028        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
3029
3030        /**
3031         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
3032         * boolean (1 or 0).
3033         */
3034        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
3035
3036        /** @hide */
3037        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
3038
3039        /**
3040         * Whether the haptic feedback (long presses, ...) are enabled. The value is
3041         * boolean (1 or 0).
3042         */
3043        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
3044
3045        /** @hide */
3046        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
3047
3048        /**
3049         * @deprecated Each application that shows web suggestions should have its own
3050         * setting for this.
3051         */
3052        @Deprecated
3053        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
3054
3055        /** @hide */
3056        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
3057
3058        /**
3059         * Whether the notification LED should repeatedly flash when a notification is
3060         * pending. The value is boolean (1 or 0).
3061         * @hide
3062         */
3063        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
3064
3065        /** @hide */
3066        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
3067
3068        /**
3069         * Show pointer location on screen?
3070         * 0 = no
3071         * 1 = yes
3072         * @hide
3073         */
3074        public static final String POINTER_LOCATION = "pointer_location";
3075
3076        /** @hide */
3077        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
3078
3079        /**
3080         * Show touch positions on screen?
3081         * 0 = no
3082         * 1 = yes
3083         * @hide
3084         */
3085        public static final String SHOW_TOUCHES = "show_touches";
3086
3087        /** @hide */
3088        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
3089
3090        /**
3091         * Log raw orientation data from
3092         * {@link com.android.server.policy.WindowOrientationListener} for use with the
3093         * orientationplot.py tool.
3094         * 0 = no
3095         * 1 = yes
3096         * @hide
3097         */
3098        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
3099                "window_orientation_listener_log";
3100
3101        /** @hide */
3102        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
3103
3104        /**
3105         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
3106         * instead
3107         * @hide
3108         */
3109        @Deprecated
3110        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
3111
3112        /**
3113         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
3114         * instead
3115         * @hide
3116         */
3117        @Deprecated
3118        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
3119
3120        /**
3121         * Whether to play sounds when the keyguard is shown and dismissed.
3122         * @hide
3123         */
3124        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
3125
3126        /** @hide */
3127        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
3128
3129        /**
3130         * Whether the lockscreen should be completely disabled.
3131         * @hide
3132         */
3133        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
3134
3135        /** @hide */
3136        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
3137
3138        /**
3139         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
3140         * instead
3141         * @hide
3142         */
3143        @Deprecated
3144        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
3145
3146        /**
3147         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
3148         * instead
3149         * @hide
3150         */
3151        @Deprecated
3152        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
3153
3154        /**
3155         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
3156         * instead
3157         * @hide
3158         */
3159        @Deprecated
3160        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
3161
3162        /**
3163         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
3164         * instead
3165         * @hide
3166         */
3167        @Deprecated
3168        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
3169
3170        /**
3171         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
3172         * instead
3173         * @hide
3174         */
3175        @Deprecated
3176        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3177
3178        /**
3179         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3180         * instead
3181         * @hide
3182         */
3183        @Deprecated
3184        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3185
3186        /**
3187         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3188         * instead
3189         * @hide
3190         */
3191        @Deprecated
3192        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3193
3194        /**
3195         * Receive incoming SIP calls?
3196         * 0 = no
3197         * 1 = yes
3198         * @hide
3199         */
3200        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3201
3202        /** @hide */
3203        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3204
3205        /**
3206         * Call Preference String.
3207         * "SIP_ALWAYS" : Always use SIP with network access
3208         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3209         * @hide
3210         */
3211        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3212
3213        /** @hide */
3214        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3215                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3216
3217        /**
3218         * One of the sip call options: Always use SIP with network access.
3219         * @hide
3220         */
3221        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3222
3223        /** @hide */
3224        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3225
3226        /**
3227         * One of the sip call options: Only if destination is a SIP address.
3228         * @hide
3229         */
3230        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3231
3232        /** @hide */
3233        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3234
3235        /**
3236         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3237         * the user should be prompted each time a call is made whether it should be placed using
3238         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3239         * SIP_ADDRESS_ONLY.
3240         * @hide
3241         */
3242        @Deprecated
3243        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3244
3245        /** @hide */
3246        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3247
3248        /**
3249         * Pointer speed setting.
3250         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3251         *   -7 = slowest
3252         *    0 = default speed
3253         *   +7 = fastest
3254         * @hide
3255         */
3256        public static final String POINTER_SPEED = "pointer_speed";
3257
3258        /** @hide */
3259        public static final Validator POINTER_SPEED_VALIDATOR =
3260                new InclusiveFloatRangeValidator(-7, 7);
3261
3262        /**
3263         * Whether lock-to-app will be triggered by long-press on recents.
3264         * @hide
3265         */
3266        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3267
3268        /** @hide */
3269        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3270
3271        /**
3272         * I am the lolrus.
3273         * <p>
3274         * Nonzero values indicate that the user has a bukkit.
3275         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3276         * @hide
3277         */
3278        public static final String EGG_MODE = "egg_mode";
3279
3280        /** @hide */
3281        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3282            @Override
3283            public boolean validate(String value) {
3284                try {
3285                    return Long.parseLong(value) >= 0;
3286                } catch (NumberFormatException e) {
3287                    return false;
3288                }
3289            }
3290        };
3291
3292        /**
3293         * IMPORTANT: If you add a new public settings you also have to add it to
3294         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3295         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3296         * the setting value. See an example above.
3297         */
3298
3299        /**
3300         * Settings to backup. This is here so that it's in the same place as the settings
3301         * keys and easy to update.
3302         *
3303         * NOTE: Settings are backed up and restored in the order they appear
3304         *       in this array. If you have one setting depending on another,
3305         *       make sure that they are ordered appropriately.
3306         *
3307         * @hide
3308         */
3309        public static final String[] SETTINGS_TO_BACKUP = {
3310            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3311            WIFI_USE_STATIC_IP,
3312            WIFI_STATIC_IP,
3313            WIFI_STATIC_GATEWAY,
3314            WIFI_STATIC_NETMASK,
3315            WIFI_STATIC_DNS1,
3316            WIFI_STATIC_DNS2,
3317            BLUETOOTH_DISCOVERABILITY,
3318            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3319            FONT_SCALE,
3320            DIM_SCREEN,
3321            SCREEN_OFF_TIMEOUT,
3322            SCREEN_BRIGHTNESS,
3323            SCREEN_BRIGHTNESS_MODE,
3324            SCREEN_AUTO_BRIGHTNESS_ADJ,
3325            VIBRATE_INPUT_DEVICES,
3326            MODE_RINGER_STREAMS_AFFECTED,
3327            TEXT_AUTO_REPLACE,
3328            TEXT_AUTO_CAPS,
3329            TEXT_AUTO_PUNCTUATE,
3330            TEXT_SHOW_PASSWORD,
3331            AUTO_TIME,                  // moved to global
3332            AUTO_TIME_ZONE,             // moved to global
3333            TIME_12_24,
3334            DATE_FORMAT,
3335            DTMF_TONE_WHEN_DIALING,
3336            DTMF_TONE_TYPE_WHEN_DIALING,
3337            HEARING_AID,
3338            TTY_MODE,
3339            SOUND_EFFECTS_ENABLED,
3340            HAPTIC_FEEDBACK_ENABLED,
3341            POWER_SOUNDS_ENABLED,       // moved to global
3342            DOCK_SOUNDS_ENABLED,        // moved to global
3343            LOCKSCREEN_SOUNDS_ENABLED,
3344            SHOW_WEB_SUGGESTIONS,
3345            SIP_CALL_OPTIONS,
3346            SIP_RECEIVE_CALLS,
3347            POINTER_SPEED,
3348            VIBRATE_WHEN_RINGING,
3349            RINGTONE,
3350            LOCK_TO_APP_ENABLED,
3351            NOTIFICATION_SOUND,
3352            ACCELEROMETER_ROTATION
3353        };
3354
3355        /**
3356         * These are all public system settings
3357         *
3358         * @hide
3359         */
3360        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3361        static {
3362            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3363            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3364            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3365            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3366            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3367            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3368            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3369            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3370            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3371            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3372            PUBLIC_SETTINGS.add(FONT_SCALE);
3373            PUBLIC_SETTINGS.add(DIM_SCREEN);
3374            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3375            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3376            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3377            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3378            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3379            PUBLIC_SETTINGS.add(VIBRATE_ON);
3380            PUBLIC_SETTINGS.add(VOLUME_RING);
3381            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3382            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3383            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3384            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3385            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3386            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3387            PUBLIC_SETTINGS.add(RINGTONE);
3388            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3389            PUBLIC_SETTINGS.add(ALARM_ALERT);
3390            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3391            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3392            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3393            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3394            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3395            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3396            PUBLIC_SETTINGS.add(TIME_12_24);
3397            PUBLIC_SETTINGS.add(DATE_FORMAT);
3398            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3399            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3400            PUBLIC_SETTINGS.add(USER_ROTATION);
3401            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3402            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3403            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3404            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3405            PUBLIC_SETTINGS.add(VIBRATE_WHEN_RINGING);
3406        }
3407
3408        /**
3409         * These are all hidden system settings.
3410         *
3411         * @hide
3412         */
3413        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3414        static {
3415            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3416            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3417            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3418            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3419            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3420            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3421            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3422            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3423            PRIVATE_SETTINGS.add(MASTER_MONO);
3424            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3425            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3426            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3427            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3428            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3429            PRIVATE_SETTINGS.add(HEARING_AID);
3430            PRIVATE_SETTINGS.add(TTY_MODE);
3431            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3432            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3433            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3434            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3435            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3436            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3437            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3438            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3439            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3440            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3441            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3442            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3443            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3444            PRIVATE_SETTINGS.add(LOCK_SOUND);
3445            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3446            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3447            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3448            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3449            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3450            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3451            PRIVATE_SETTINGS.add(POINTER_SPEED);
3452            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3453            PRIVATE_SETTINGS.add(EGG_MODE);
3454        }
3455
3456        /**
3457         * These are all public system settings
3458         *
3459         * @hide
3460         */
3461        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3462        static {
3463            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3464            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3465            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3466            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3467                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3468            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3469            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3470            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3471            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3472            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3473            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3474            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3475            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3476            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3477            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3478            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3479            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3480            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3481            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3482            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3483            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3484            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3485            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3486            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3487            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3488            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3489            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3490            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3491            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3492            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3493            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3494            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3495            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3496            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3497            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3498            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3499            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3500            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3501            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3502            VALIDATORS.put(MASTER_MONO, MASTER_MONO_VALIDATOR);
3503            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3504            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3505            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3506            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3507                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3508            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3509            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3510            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3511            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3512            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3513            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3514            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3515            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3516                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3517            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3518            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3519            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3520            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3521            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3522            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3523            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3524            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3525            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3526            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3527            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3528            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3529            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3530            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3531            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3532        }
3533
3534        /**
3535         * These entries are considered common between the personal and the managed profile,
3536         * since the managed profile doesn't get to change them.
3537         */
3538        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3539        static {
3540            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3541            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3542            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3543            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3544            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3545        }
3546
3547        /** @hide */
3548        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3549            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3550        }
3551
3552        /**
3553         * When to use Wi-Fi calling
3554         *
3555         * @see android.telephony.TelephonyManager.WifiCallingChoices
3556         * @hide
3557         */
3558        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3559
3560        // Settings moved to Settings.Secure
3561
3562        /**
3563         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3564         * instead
3565         */
3566        @Deprecated
3567        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3568
3569        /**
3570         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3571         */
3572        @Deprecated
3573        public static final String ANDROID_ID = Secure.ANDROID_ID;
3574
3575        /**
3576         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3577         */
3578        @Deprecated
3579        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3580
3581        /**
3582         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3583         */
3584        @Deprecated
3585        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3586
3587        /**
3588         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3589         */
3590        @Deprecated
3591        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3592
3593        /**
3594         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3595         */
3596        @Deprecated
3597        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3598
3599        /**
3600         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3601         */
3602        @Deprecated
3603        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3604
3605        /**
3606         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3607         * instead
3608         */
3609        @Deprecated
3610        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3611
3612        /**
3613         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3614         */
3615        @Deprecated
3616        public static final String LOGGING_ID = Secure.LOGGING_ID;
3617
3618        /**
3619         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3620         */
3621        @Deprecated
3622        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3623
3624        /**
3625         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3626         * instead
3627         */
3628        @Deprecated
3629        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3630
3631        /**
3632         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3633         * instead
3634         */
3635        @Deprecated
3636        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3637
3638        /**
3639         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3640         * instead
3641         */
3642        @Deprecated
3643        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3644            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3645
3646        /**
3647         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3648         */
3649        @Deprecated
3650        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3651
3652        /**
3653         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3654         */
3655        @Deprecated
3656        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3657
3658        /**
3659         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3660         */
3661        @Deprecated
3662        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3663
3664       /**
3665         * @deprecated Use
3666         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3667         */
3668        @Deprecated
3669        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3670
3671        /**
3672         * @deprecated Use
3673         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3674         */
3675        @Deprecated
3676        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3677                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3678
3679        /**
3680         * @deprecated Use
3681         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3682         */
3683        @Deprecated
3684        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3685                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3686
3687        /**
3688         * @deprecated Use
3689         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3690         */
3691        @Deprecated
3692        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3693                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3694
3695        /**
3696         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3697         * instead
3698         */
3699        @Deprecated
3700        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3701
3702        /**
3703         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3704         */
3705        @Deprecated
3706        public static final String WIFI_ON = Global.WIFI_ON;
3707
3708        /**
3709         * @deprecated Use
3710         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3711         * instead
3712         */
3713        @Deprecated
3714        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3715                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3716
3717        /**
3718         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3719         */
3720        @Deprecated
3721        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3722
3723        /**
3724         * @deprecated Use
3725         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3726         */
3727        @Deprecated
3728        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3729                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3730
3731        /**
3732         * @deprecated Use
3733         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3734         */
3735        @Deprecated
3736        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3737                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3738
3739        /**
3740         * @deprecated Use
3741         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3742         * instead
3743         */
3744        @Deprecated
3745        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3746                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3747
3748        /**
3749         * @deprecated Use
3750         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3751         */
3752        @Deprecated
3753        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3754            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3755
3756        /**
3757         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3758         * instead
3759         */
3760        @Deprecated
3761        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3762
3763        /**
3764         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3765         */
3766        @Deprecated
3767        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3768
3769        /**
3770         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3771         */
3772        @Deprecated
3773        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3774
3775        /**
3776         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3777         * instead
3778         */
3779        @Deprecated
3780        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3781
3782        /**
3783         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3784         * instead
3785         */
3786        @Deprecated
3787        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3788            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3789
3790        /**
3791         * An app can use this method to check if it is currently allowed to write or modify system
3792         * settings. In order to gain write access to the system settings, an app must declare the
3793         * {@link android.Manifest.permission#WRITE_SETTINGS} permission in its manifest. If it is
3794         * currently disallowed, it can prompt the user to grant it this capability through a
3795         * management UI by sending an Intent with action
3796         * {@link android.provider.Settings#ACTION_MANAGE_WRITE_SETTINGS}.
3797         *
3798         * @param context A context
3799         * @return true if the calling app can write to system settings, false otherwise
3800         */
3801        public static boolean canWrite(Context context) {
3802            int uid = Binder.getCallingUid();
3803            return isCallingPackageAllowedToWriteSettings(context, uid, getPackageNameForUid(
3804                    context, uid), false);
3805        }
3806    }
3807
3808    /**
3809     * Secure system settings, containing system preferences that applications
3810     * can read but are not allowed to write.  These are for preferences that
3811     * the user must explicitly modify through the system UI or specialized
3812     * APIs for those values, not modified directly by applications.
3813     */
3814    public static final class Secure extends NameValueTable {
3815        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3816
3817        /**
3818         * The content:// style URL for this table
3819         */
3820        public static final Uri CONTENT_URI =
3821            Uri.parse("content://" + AUTHORITY + "/secure");
3822
3823        // Populated lazily, guarded by class object:
3824        private static final NameValueCache sNameValueCache = new NameValueCache(
3825                SYS_PROP_SETTING_VERSION,
3826                CONTENT_URI,
3827                CALL_METHOD_GET_SECURE,
3828                CALL_METHOD_PUT_SECURE);
3829
3830        private static ILockSettings sLockSettings = null;
3831
3832        private static boolean sIsSystemProcess;
3833        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3834        private static final HashSet<String> MOVED_TO_GLOBAL;
3835        static {
3836            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3837            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3838            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3839            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3840
3841            MOVED_TO_GLOBAL = new HashSet<String>();
3842            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3843            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3844            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3845            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3846            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3847            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3848            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3849            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3850            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3851            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3852            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3853            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3854            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3855            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3856            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3857            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3858            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3859            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3860            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3861            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3862            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3863            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3864            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3865            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3866            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3867            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3868            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3869            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3870            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3871            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3872            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3873            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3874            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3875            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3876            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3877            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3878            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3879            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3880            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3881            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3882            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3883            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3884            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3885            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3886            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3887            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3888            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3889            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3890            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3891            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3892            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3893            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3894            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3895            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3896            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3897            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3898            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3899            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3900            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3901            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3902            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3903            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3904            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3905            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3906            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3907            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3908            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3909            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3910            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3911            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3912            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3913            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3914            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3915            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3916            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3917            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3918            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3919            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3920            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3921            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3922            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3923            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3924            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3925            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3926            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3927            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3928            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3929            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3930            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3931            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3932            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3933            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3934            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3935            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3936            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3937            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3938            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3939            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3940            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3941            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3942            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3943            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3944            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3945            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3946            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3947            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3948            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3949            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3950            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3951            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3952            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3953        }
3954
3955        /** @hide */
3956        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3957            outKeySet.addAll(MOVED_TO_GLOBAL);
3958        }
3959
3960        /**
3961         * Look up a name in the database.
3962         * @param resolver to access the database with
3963         * @param name to look up in the table
3964         * @return the corresponding value, or null if not present
3965         */
3966        public static String getString(ContentResolver resolver, String name) {
3967            return getStringForUser(resolver, name, UserHandle.myUserId());
3968        }
3969
3970        /** @hide */
3971        public static String getStringForUser(ContentResolver resolver, String name,
3972                int userHandle) {
3973            if (MOVED_TO_GLOBAL.contains(name)) {
3974                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3975                        + " to android.provider.Settings.Global.");
3976                return Global.getStringForUser(resolver, name, userHandle);
3977            }
3978
3979            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3980                synchronized (Secure.class) {
3981                    if (sLockSettings == null) {
3982                        sLockSettings = ILockSettings.Stub.asInterface(
3983                                (IBinder) ServiceManager.getService("lock_settings"));
3984                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3985                    }
3986                }
3987                if (sLockSettings != null && !sIsSystemProcess) {
3988                    // No context; use the ActivityThread's context as an approximation for
3989                    // determining the target API level.
3990                    Application application = ActivityThread.currentApplication();
3991
3992                    boolean isPreMnc = application != null
3993                            && application.getApplicationInfo() != null
3994                            && application.getApplicationInfo().targetSdkVersion
3995                            <= VERSION_CODES.LOLLIPOP_MR1;
3996                    if (isPreMnc) {
3997                        try {
3998                            return sLockSettings.getString(name, "0", userHandle);
3999                        } catch (RemoteException re) {
4000                            // Fall through
4001                        }
4002                    } else {
4003                        throw new SecurityException("Settings.Secure." + name
4004                                + " is deprecated and no longer accessible."
4005                                + " See API documentation for potential replacements.");
4006                    }
4007                }
4008            }
4009
4010            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4011        }
4012
4013        /**
4014         * Store a name/value pair into the database.
4015         * @param resolver to access the database with
4016         * @param name to store
4017         * @param value to associate with the name
4018         * @return true if the value was set, false on database errors
4019         */
4020        public static boolean putString(ContentResolver resolver, String name, String value) {
4021            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4022        }
4023
4024        /** @hide */
4025        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4026                int userHandle) {
4027            if (LOCATION_MODE.equals(name)) {
4028                // HACK ALERT: temporary hack to work around b/10491283.
4029                // TODO: once b/10491283 fixed, remove this hack
4030                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4031            }
4032            if (MOVED_TO_GLOBAL.contains(name)) {
4033                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4034                        + " to android.provider.Settings.Global");
4035                return Global.putStringForUser(resolver, name, value, userHandle);
4036            }
4037            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4038        }
4039
4040        /**
4041         * Construct the content URI for a particular name/value pair,
4042         * useful for monitoring changes with a ContentObserver.
4043         * @param name to look up in the table
4044         * @return the corresponding content URI, or null if not present
4045         */
4046        public static Uri getUriFor(String name) {
4047            if (MOVED_TO_GLOBAL.contains(name)) {
4048                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4049                        + " to android.provider.Settings.Global, returning global URI.");
4050                return Global.getUriFor(Global.CONTENT_URI, name);
4051            }
4052            return getUriFor(CONTENT_URI, name);
4053        }
4054
4055        /**
4056         * Convenience function for retrieving a single secure settings value
4057         * as an integer.  Note that internally setting values are always
4058         * stored as strings; this function converts the string to an integer
4059         * for you.  The default value will be returned if the setting is
4060         * not defined or not an integer.
4061         *
4062         * @param cr The ContentResolver to access.
4063         * @param name The name of the setting to retrieve.
4064         * @param def Value to return if the setting is not defined.
4065         *
4066         * @return The setting's current value, or 'def' if it is not defined
4067         * or not a valid integer.
4068         */
4069        public static int getInt(ContentResolver cr, String name, int def) {
4070            return getIntForUser(cr, name, def, UserHandle.myUserId());
4071        }
4072
4073        /** @hide */
4074        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4075            if (LOCATION_MODE.equals(name)) {
4076                // HACK ALERT: temporary hack to work around b/10491283.
4077                // TODO: once b/10491283 fixed, remove this hack
4078                return getLocationModeForUser(cr, userHandle);
4079            }
4080            String v = getStringForUser(cr, name, userHandle);
4081            try {
4082                return v != null ? Integer.parseInt(v) : def;
4083            } catch (NumberFormatException e) {
4084                return def;
4085            }
4086        }
4087
4088        /**
4089         * Convenience function for retrieving a single secure settings value
4090         * as an integer.  Note that internally setting values are always
4091         * stored as strings; this function converts the string to an integer
4092         * for you.
4093         * <p>
4094         * This version does not take a default value.  If the setting has not
4095         * been set, or the string value is not a number,
4096         * it throws {@link SettingNotFoundException}.
4097         *
4098         * @param cr The ContentResolver to access.
4099         * @param name The name of the setting to retrieve.
4100         *
4101         * @throws SettingNotFoundException Thrown if a setting by the given
4102         * name can't be found or the setting value is not an integer.
4103         *
4104         * @return The setting's current value.
4105         */
4106        public static int getInt(ContentResolver cr, String name)
4107                throws SettingNotFoundException {
4108            return getIntForUser(cr, name, UserHandle.myUserId());
4109        }
4110
4111        /** @hide */
4112        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4113                throws SettingNotFoundException {
4114            if (LOCATION_MODE.equals(name)) {
4115                // HACK ALERT: temporary hack to work around b/10491283.
4116                // TODO: once b/10491283 fixed, remove this hack
4117                return getLocationModeForUser(cr, userHandle);
4118            }
4119            String v = getStringForUser(cr, name, userHandle);
4120            try {
4121                return Integer.parseInt(v);
4122            } catch (NumberFormatException e) {
4123                throw new SettingNotFoundException(name);
4124            }
4125        }
4126
4127        /**
4128         * Convenience function for updating a single settings value as an
4129         * integer. This will either create a new entry in the table if the
4130         * given name does not exist, or modify the value of the existing row
4131         * with that name.  Note that internally setting values are always
4132         * stored as strings, so this function converts the given value to a
4133         * string before storing it.
4134         *
4135         * @param cr The ContentResolver to access.
4136         * @param name The name of the setting to modify.
4137         * @param value The new value for the setting.
4138         * @return true if the value was set, false on database errors
4139         */
4140        public static boolean putInt(ContentResolver cr, String name, int value) {
4141            return putIntForUser(cr, name, value, UserHandle.myUserId());
4142        }
4143
4144        /** @hide */
4145        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4146                int userHandle) {
4147            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4148        }
4149
4150        /**
4151         * Convenience function for retrieving a single secure settings value
4152         * as a {@code long}.  Note that internally setting values are always
4153         * stored as strings; this function converts the string to a {@code long}
4154         * for you.  The default value will be returned if the setting is
4155         * not defined or not a {@code long}.
4156         *
4157         * @param cr The ContentResolver to access.
4158         * @param name The name of the setting to retrieve.
4159         * @param def Value to return if the setting is not defined.
4160         *
4161         * @return The setting's current value, or 'def' if it is not defined
4162         * or not a valid {@code long}.
4163         */
4164        public static long getLong(ContentResolver cr, String name, long def) {
4165            return getLongForUser(cr, name, def, UserHandle.myUserId());
4166        }
4167
4168        /** @hide */
4169        public static long getLongForUser(ContentResolver cr, String name, long def,
4170                int userHandle) {
4171            String valString = getStringForUser(cr, name, userHandle);
4172            long value;
4173            try {
4174                value = valString != null ? Long.parseLong(valString) : def;
4175            } catch (NumberFormatException e) {
4176                value = def;
4177            }
4178            return value;
4179        }
4180
4181        /**
4182         * Convenience function for retrieving a single secure settings value
4183         * as a {@code long}.  Note that internally setting values are always
4184         * stored as strings; this function converts the string to a {@code long}
4185         * for you.
4186         * <p>
4187         * This version does not take a default value.  If the setting has not
4188         * been set, or the string value is not a number,
4189         * it throws {@link SettingNotFoundException}.
4190         *
4191         * @param cr The ContentResolver to access.
4192         * @param name The name of the setting to retrieve.
4193         *
4194         * @return The setting's current value.
4195         * @throws SettingNotFoundException Thrown if a setting by the given
4196         * name can't be found or the setting value is not an integer.
4197         */
4198        public static long getLong(ContentResolver cr, String name)
4199                throws SettingNotFoundException {
4200            return getLongForUser(cr, name, UserHandle.myUserId());
4201        }
4202
4203        /** @hide */
4204        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4205                throws SettingNotFoundException {
4206            String valString = getStringForUser(cr, name, userHandle);
4207            try {
4208                return Long.parseLong(valString);
4209            } catch (NumberFormatException e) {
4210                throw new SettingNotFoundException(name);
4211            }
4212        }
4213
4214        /**
4215         * Convenience function for updating a secure settings value as a long
4216         * integer. This will either create a new entry in the table if the
4217         * given name does not exist, or modify the value of the existing row
4218         * with that name.  Note that internally setting values are always
4219         * stored as strings, so this function converts the given value to a
4220         * string before storing it.
4221         *
4222         * @param cr The ContentResolver to access.
4223         * @param name The name of the setting to modify.
4224         * @param value The new value for the setting.
4225         * @return true if the value was set, false on database errors
4226         */
4227        public static boolean putLong(ContentResolver cr, String name, long value) {
4228            return putLongForUser(cr, name, value, UserHandle.myUserId());
4229        }
4230
4231        /** @hide */
4232        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4233                int userHandle) {
4234            return putStringForUser(cr, name, Long.toString(value), userHandle);
4235        }
4236
4237        /**
4238         * Convenience function for retrieving a single secure settings value
4239         * as a floating point number.  Note that internally setting values are
4240         * always stored as strings; this function converts the string to an
4241         * float for you. The default value will be returned if the setting
4242         * is not defined or not a valid float.
4243         *
4244         * @param cr The ContentResolver to access.
4245         * @param name The name of the setting to retrieve.
4246         * @param def Value to return if the setting is not defined.
4247         *
4248         * @return The setting's current value, or 'def' if it is not defined
4249         * or not a valid float.
4250         */
4251        public static float getFloat(ContentResolver cr, String name, float def) {
4252            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4253        }
4254
4255        /** @hide */
4256        public static float getFloatForUser(ContentResolver cr, String name, float def,
4257                int userHandle) {
4258            String v = getStringForUser(cr, name, userHandle);
4259            try {
4260                return v != null ? Float.parseFloat(v) : def;
4261            } catch (NumberFormatException e) {
4262                return def;
4263            }
4264        }
4265
4266        /**
4267         * Convenience function for retrieving a single secure settings value
4268         * as a float.  Note that internally setting values are always
4269         * stored as strings; this function converts the string to a float
4270         * for you.
4271         * <p>
4272         * This version does not take a default value.  If the setting has not
4273         * been set, or the string value is not a number,
4274         * it throws {@link SettingNotFoundException}.
4275         *
4276         * @param cr The ContentResolver to access.
4277         * @param name The name of the setting to retrieve.
4278         *
4279         * @throws SettingNotFoundException Thrown if a setting by the given
4280         * name can't be found or the setting value is not a float.
4281         *
4282         * @return The setting's current value.
4283         */
4284        public static float getFloat(ContentResolver cr, String name)
4285                throws SettingNotFoundException {
4286            return getFloatForUser(cr, name, UserHandle.myUserId());
4287        }
4288
4289        /** @hide */
4290        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4291                throws SettingNotFoundException {
4292            String v = getStringForUser(cr, name, userHandle);
4293            if (v == null) {
4294                throw new SettingNotFoundException(name);
4295            }
4296            try {
4297                return Float.parseFloat(v);
4298            } catch (NumberFormatException e) {
4299                throw new SettingNotFoundException(name);
4300            }
4301        }
4302
4303        /**
4304         * Convenience function for updating a single settings value as a
4305         * floating point number. This will either create a new entry in the
4306         * table if the given name does not exist, or modify the value of the
4307         * existing row with that name.  Note that internally setting values
4308         * are always stored as strings, so this function converts the given
4309         * value to a string before storing it.
4310         *
4311         * @param cr The ContentResolver to access.
4312         * @param name The name of the setting to modify.
4313         * @param value The new value for the setting.
4314         * @return true if the value was set, false on database errors
4315         */
4316        public static boolean putFloat(ContentResolver cr, String name, float value) {
4317            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4318        }
4319
4320        /** @hide */
4321        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4322                int userHandle) {
4323            return putStringForUser(cr, name, Float.toString(value), userHandle);
4324        }
4325
4326        /**
4327         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4328         * instead
4329         */
4330        @Deprecated
4331        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4332                Global.DEVELOPMENT_SETTINGS_ENABLED;
4333
4334        /**
4335         * When the user has enable the option to have a "bug report" command
4336         * in the power menu.
4337         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4338         * @hide
4339         */
4340        @Deprecated
4341        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4342
4343        /**
4344         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4345         */
4346        @Deprecated
4347        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4348
4349        /**
4350         * Setting to allow mock locations and location provider status to be injected into the
4351         * LocationManager service for testing purposes during application development.  These
4352         * locations and status values  override actual location and status information generated
4353         * by network, gps, or other location providers.
4354         *
4355         * @deprecated This settings is not used anymore.
4356         */
4357        @Deprecated
4358        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4359
4360        /**
4361         * A 64-bit number (as a hex string) that is randomly
4362         * generated when the user first sets up the device and should remain
4363         * constant for the lifetime of the user's device. The value may
4364         * change if a factory reset is performed on the device.
4365         * <p class="note"><strong>Note:</strong> When a device has <a
4366         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4367         * (available on certain devices running Android 4.2 or higher), each user appears as a
4368         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4369         * user.</p>
4370         */
4371        public static final String ANDROID_ID = "android_id";
4372
4373        /**
4374         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4375         */
4376        @Deprecated
4377        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4378
4379        /**
4380         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4381         */
4382        @Deprecated
4383        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4384
4385        /**
4386         * Setting to record the input method used by default, holding the ID
4387         * of the desired method.
4388         */
4389        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4390
4391        /**
4392         * Setting to record the input method subtype used by default, holding the ID
4393         * of the desired method.
4394         */
4395        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4396                "selected_input_method_subtype";
4397
4398        /**
4399         * Setting to record the history of input method subtype, holding the pair of ID of IME
4400         * and its last used subtype.
4401         * @hide
4402         */
4403        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4404                "input_methods_subtype_history";
4405
4406        /**
4407         * Setting to record the visibility of input method selector
4408         */
4409        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4410                "input_method_selector_visibility";
4411
4412        /**
4413         * The currently selected voice interaction service flattened ComponentName.
4414         * @hide
4415         */
4416        @TestApi
4417        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4418
4419        /**
4420         * bluetooth HCI snoop log configuration
4421         * @hide
4422         */
4423        public static final String BLUETOOTH_HCI_LOG =
4424                "bluetooth_hci_log";
4425
4426        /**
4427         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4428         */
4429        @Deprecated
4430        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4431
4432        /**
4433         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4434         * @hide
4435         */
4436        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4437
4438        /**
4439         * List of input methods that are currently enabled.  This is a string
4440         * containing the IDs of all enabled input methods, each ID separated
4441         * by ':'.
4442         */
4443        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4444
4445        /**
4446         * List of system input methods that are currently disabled.  This is a string
4447         * containing the IDs of all disabled input methods, each ID separated
4448         * by ':'.
4449         * @hide
4450         */
4451        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4452
4453        /**
4454         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4455         * determines if the IME should be shown when a hard keyboard is attached.
4456         * @hide
4457         */
4458        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4459
4460        /**
4461         * Host name and port for global http proxy. Uses ':' seperator for
4462         * between host and port.
4463         *
4464         * @deprecated Use {@link Global#HTTP_PROXY}
4465         */
4466        @Deprecated
4467        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4468
4469        /**
4470         * Package designated as always-on VPN provider.
4471         *
4472         * @hide
4473         */
4474        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4475
4476        /**
4477         * Whether applications can be installed for this user via the system's
4478         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4479         *
4480         * <p>1 = permit app installation via the system package installer intent
4481         * <p>0 = do not allow use of the package installer
4482         */
4483        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4484
4485        /**
4486         * Comma-separated list of location providers that activities may access. Do not rely on
4487         * this value being present in settings.db or on ContentObserver notifications on the
4488         * corresponding Uri.
4489         *
4490         * @deprecated use {@link #LOCATION_MODE} and
4491         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4492         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4493         */
4494        @Deprecated
4495        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4496
4497        /**
4498         * The degree of location access enabled by the user.
4499         * <p>
4500         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4501         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4502         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4503         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4504         * modes that might be added in the future.
4505         * <p>
4506         * Note: do not rely on this value being present in settings.db or on ContentObserver
4507         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4508         * to receive changes in this value.
4509         */
4510        public static final String LOCATION_MODE = "location_mode";
4511        /**
4512         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4513         * {@link #LOCATION_MODE_OFF}
4514         * @hide
4515         */
4516        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4517
4518        /**
4519         * Sets all location providers to the previous states before location was turned off.
4520         * @hide
4521         */
4522        public static final int LOCATION_MODE_PREVIOUS = -1;
4523        /**
4524         * Location access disabled.
4525         */
4526        public static final int LOCATION_MODE_OFF = 0;
4527        /**
4528         * Network Location Provider disabled, but GPS and other sensors enabled.
4529         */
4530        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4531        /**
4532         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4533         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4534         * {@link android.location.Criteria#POWER_MEDIUM}.
4535         */
4536        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4537        /**
4538         * Best-effort location computation allowed.
4539         */
4540        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4541
4542        /**
4543         * A flag containing settings used for biometric weak
4544         * @hide
4545         */
4546        @Deprecated
4547        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4548                "lock_biometric_weak_flags";
4549
4550        /**
4551         * Whether lock-to-app will lock the keyguard when exiting.
4552         * @hide
4553         */
4554        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4555
4556        /**
4557         * Whether autolock is enabled (0 = false, 1 = true)
4558         *
4559         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4560         *             level of the keyguard. Accessing this setting from an app that is targeting
4561         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4562         */
4563        @Deprecated
4564        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4565
4566        /**
4567         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4568         *
4569         * @deprecated Accessing this setting from an app that is targeting
4570         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4571         */
4572        @Deprecated
4573        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4574
4575        /**
4576         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4577         * true)
4578         *
4579         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4580         *             lockscreen uses
4581         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4582         *             Accessing this setting from an app that is targeting
4583         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4584         */
4585        @Deprecated
4586        public static final String
4587                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4588
4589        /**
4590         * This preference allows the device to be locked given time after screen goes off,
4591         * subject to current DeviceAdmin policy limits.
4592         * @hide
4593         */
4594        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4595
4596
4597        /**
4598         * This preference contains the string that shows for owner info on LockScreen.
4599         * @hide
4600         * @deprecated
4601         */
4602        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4603
4604        /**
4605         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4606         * @hide
4607         */
4608        @Deprecated
4609        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4610            "lock_screen_appwidget_ids";
4611
4612        /**
4613         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4614         * @hide
4615         */
4616        @Deprecated
4617        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4618            "lock_screen_fallback_appwidget_id";
4619
4620        /**
4621         * Index of the lockscreen appwidget to restore, -1 if none.
4622         * @hide
4623         */
4624        @Deprecated
4625        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4626            "lock_screen_sticky_appwidget";
4627
4628        /**
4629         * This preference enables showing the owner info on LockScreen.
4630         * @hide
4631         * @deprecated
4632         */
4633        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4634            "lock_screen_owner_info_enabled";
4635
4636        /**
4637         * When set by a user, allows notifications to be shown atop a securely locked screen
4638         * in their full "private" form (same as when the device is unlocked).
4639         * @hide
4640         */
4641        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4642                "lock_screen_allow_private_notifications";
4643
4644        /**
4645         * Set by the system to track if the user needs to see the call to action for
4646         * the lockscreen notification policy.
4647         * @hide
4648         */
4649        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4650                "show_note_about_notification_hiding";
4651
4652        /**
4653         * Set to 1 by the system after trust agents have been initialized.
4654         * @hide
4655         */
4656        public static final String TRUST_AGENTS_INITIALIZED =
4657                "trust_agents_initialized";
4658
4659        /**
4660         * The Logging ID (a unique 64-bit value) as a hex string.
4661         * Used as a pseudonymous identifier for logging.
4662         * @deprecated This identifier is poorly initialized and has
4663         * many collisions.  It should not be used.
4664         */
4665        @Deprecated
4666        public static final String LOGGING_ID = "logging_id";
4667
4668        /**
4669         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4670         */
4671        @Deprecated
4672        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4673
4674        /**
4675         * No longer supported.
4676         */
4677        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4678
4679        /**
4680         * No longer supported.
4681         */
4682        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4683
4684        /**
4685         * No longer supported.
4686         */
4687        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4688
4689        /**
4690         * Settings classname to launch when Settings is clicked from All
4691         * Applications.  Needed because of user testing between the old
4692         * and new Settings apps.
4693         */
4694        // TODO: 881807
4695        public static final String SETTINGS_CLASSNAME = "settings_classname";
4696
4697        /**
4698         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4699         */
4700        @Deprecated
4701        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4702
4703        /**
4704         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4705         */
4706        @Deprecated
4707        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4708
4709        /**
4710         * If accessibility is enabled.
4711         */
4712        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4713
4714        /**
4715         * If touch exploration is enabled.
4716         */
4717        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4718
4719        /**
4720         * List of the enabled accessibility providers.
4721         */
4722        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4723            "enabled_accessibility_services";
4724
4725        /**
4726         * List of the accessibility services to which the user has granted
4727         * permission to put the device into touch exploration mode.
4728         *
4729         * @hide
4730         */
4731        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4732            "touch_exploration_granted_accessibility_services";
4733
4734        /**
4735         * Whether to speak passwords while in accessibility mode.
4736         */
4737        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4738
4739        /**
4740         * Whether to draw text with high contrast while in accessibility mode.
4741         *
4742         * @hide
4743         */
4744        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4745                "high_text_contrast_enabled";
4746
4747        /**
4748         * If injection of accessibility enhancing JavaScript screen-reader
4749         * is enabled.
4750         * <p>
4751         *   Note: The JavaScript based screen-reader is served by the
4752         *   Google infrastructure and enable users with disabilities to
4753         *   efficiently navigate in and explore web content.
4754         * </p>
4755         * <p>
4756         *   This property represents a boolean value.
4757         * </p>
4758         * @hide
4759         */
4760        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4761            "accessibility_script_injection";
4762
4763        /**
4764         * The URL for the injected JavaScript based screen-reader used
4765         * for providing accessibility of content in WebView.
4766         * <p>
4767         *   Note: The JavaScript based screen-reader is served by the
4768         *   Google infrastructure and enable users with disabilities to
4769         *   efficiently navigate in and explore web content.
4770         * </p>
4771         * <p>
4772         *   This property represents a string value.
4773         * </p>
4774         * @hide
4775         */
4776        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4777            "accessibility_script_injection_url";
4778
4779        /**
4780         * Key bindings for navigation in built-in accessibility support for web content.
4781         * <p>
4782         *   Note: These key bindings are for the built-in accessibility navigation for
4783         *   web content which is used as a fall back solution if JavaScript in a WebView
4784         *   is not enabled or the user has not opted-in script injection from Google.
4785         * </p>
4786         * <p>
4787         *   The bindings are separated by semi-colon. A binding is a mapping from
4788         *   a key to a sequence of actions (for more details look at
4789         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4790         *   string representation of an integer obtained from a meta state (optional) shifted
4791         *   sixteen times left and bitwise ored with a key code. An action is represented
4792         *   as a hexademical string representation of an integer where the first two digits
4793         *   are navigation action index, the second, the third, and the fourth digit pairs
4794         *   represent the action arguments. The separate actions in a binding are colon
4795         *   separated. The key and the action sequence it maps to are separated by equals.
4796         * </p>
4797         * <p>
4798         *   For example, the binding below maps the DPAD right button to traverse the
4799         *   current navigation axis once without firing an accessibility event and to
4800         *   perform the same traversal again but to fire an event:
4801         *   <code>
4802         *     0x16=0x01000100:0x01000101;
4803         *   </code>
4804         * </p>
4805         * <p>
4806         *   The goal of this binding is to enable dynamic rebinding of keys to
4807         *   navigation actions for web content without requiring a framework change.
4808         * </p>
4809         * <p>
4810         *   This property represents a string value.
4811         * </p>
4812         * @hide
4813         */
4814        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4815            "accessibility_web_content_key_bindings";
4816
4817        /**
4818         * Setting that specifies whether the display magnification is enabled.
4819         * Display magnifications allows the user to zoom in the display content
4820         * and is targeted to low vision users. The current magnification scale
4821         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4822         *
4823         * @hide
4824         */
4825        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4826                "accessibility_display_magnification_enabled";
4827
4828        /**
4829         * Setting that specifies what the display magnification scale is.
4830         * Display magnifications allows the user to zoom in the display
4831         * content and is targeted to low vision users. Whether a display
4832         * magnification is performed is controlled by
4833         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4834         *
4835         * @hide
4836         */
4837        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4838                "accessibility_display_magnification_scale";
4839
4840        /**
4841         * Setting that specifies whether the display magnification should be
4842         * automatically updated. If this fearture is enabled the system will
4843         * exit magnification mode or pan the viewport when a context change
4844         * occurs. For example, on staring a new activity or rotating the screen,
4845         * the system may zoom out so the user can see the new context he is in.
4846         * Another example is on showing a window that is not visible in the
4847         * magnified viewport the system may pan the viewport to make the window
4848         * the has popped up so the user knows that the context has changed.
4849         * Whether a screen magnification is performed is controlled by
4850         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4851         *
4852         * @hide
4853         */
4854        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4855                "accessibility_display_magnification_auto_update";
4856
4857        /**
4858         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
4859         * modified from an AccessibilityService using the SoftKeyboardController.
4860         *
4861         * @hide
4862         */
4863        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
4864                "accessibility_soft_keyboard_mode";
4865
4866        /**
4867         * Default soft keyboard behavior.
4868         *
4869         * @hide
4870         */
4871        public static final int SHOW_MODE_AUTO = 0;
4872
4873        /**
4874         * Soft keyboard is never shown.
4875         *
4876         * @hide
4877         */
4878        public static final int SHOW_MODE_HIDDEN = 1;
4879
4880        /**
4881         * Setting that specifies whether timed text (captions) should be
4882         * displayed in video content. Text display properties are controlled by
4883         * the following settings:
4884         * <ul>
4885         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4886         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4887         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4888         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4889         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4890         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4891         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4892         * </ul>
4893         *
4894         * @hide
4895         */
4896        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4897                "accessibility_captioning_enabled";
4898
4899        /**
4900         * Setting that specifies the language for captions as a locale string,
4901         * e.g. en_US.
4902         *
4903         * @see java.util.Locale#toString
4904         * @hide
4905         */
4906        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4907                "accessibility_captioning_locale";
4908
4909        /**
4910         * Integer property that specifies the preset style for captions, one
4911         * of:
4912         * <ul>
4913         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4914         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4915         * </ul>
4916         *
4917         * @see java.util.Locale#toString
4918         * @hide
4919         */
4920        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4921                "accessibility_captioning_preset";
4922
4923        /**
4924         * Integer property that specifes the background color for captions as a
4925         * packed 32-bit color.
4926         *
4927         * @see android.graphics.Color#argb
4928         * @hide
4929         */
4930        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4931                "accessibility_captioning_background_color";
4932
4933        /**
4934         * Integer property that specifes the foreground color for captions as a
4935         * packed 32-bit color.
4936         *
4937         * @see android.graphics.Color#argb
4938         * @hide
4939         */
4940        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4941                "accessibility_captioning_foreground_color";
4942
4943        /**
4944         * Integer property that specifes the edge type for captions, one of:
4945         * <ul>
4946         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4947         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4948         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4949         * </ul>
4950         *
4951         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4952         * @hide
4953         */
4954        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4955                "accessibility_captioning_edge_type";
4956
4957        /**
4958         * Integer property that specifes the edge color for captions as a
4959         * packed 32-bit color.
4960         *
4961         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4962         * @see android.graphics.Color#argb
4963         * @hide
4964         */
4965        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4966                "accessibility_captioning_edge_color";
4967
4968        /**
4969         * Integer property that specifes the window color for captions as a
4970         * packed 32-bit color.
4971         *
4972         * @see android.graphics.Color#argb
4973         * @hide
4974         */
4975        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4976                "accessibility_captioning_window_color";
4977
4978        /**
4979         * String property that specifies the typeface for captions, one of:
4980         * <ul>
4981         * <li>DEFAULT
4982         * <li>MONOSPACE
4983         * <li>SANS_SERIF
4984         * <li>SERIF
4985         * </ul>
4986         *
4987         * @see android.graphics.Typeface
4988         * @hide
4989         */
4990        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4991                "accessibility_captioning_typeface";
4992
4993        /**
4994         * Floating point property that specifies font scaling for captions.
4995         *
4996         * @hide
4997         */
4998        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4999                "accessibility_captioning_font_scale";
5000
5001        /**
5002         * Setting that specifies whether display color inversion is enabled.
5003         */
5004        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5005                "accessibility_display_inversion_enabled";
5006
5007        /**
5008         * Setting that specifies whether display color space adjustment is
5009         * enabled.
5010         *
5011         * @hide
5012         */
5013        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5014                "accessibility_display_daltonizer_enabled";
5015
5016        /**
5017         * Integer property that specifies the type of color space adjustment to
5018         * perform. Valid values are defined in AccessibilityManager.
5019         *
5020         * @hide
5021         */
5022        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5023                "accessibility_display_daltonizer";
5024
5025        /**
5026         * Float list that specifies the color matrix to apply to
5027         * the display. Valid values are defined in AccessibilityManager.
5028         *
5029         * @hide
5030         */
5031        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5032                "accessibility_display_color_matrix";
5033
5034        /**
5035         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5036         * enabled.
5037         *
5038         * @hide
5039         */
5040        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5041                "accessibility_autoclick_enabled";
5042
5043        /**
5044         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5045         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5046         *
5047         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5048         * @hide
5049         */
5050        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5051                "accessibility_autoclick_delay";
5052
5053        /**
5054         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5055         * accessibility.
5056         * (0 = false, 1 = true)
5057         * @hide
5058         */
5059        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5060                "accessibility_large_pointer_icon";
5061
5062        /**
5063         * The timeout for considering a press to be a long press in milliseconds.
5064         * @hide
5065         */
5066        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5067
5068        /**
5069         * List of the enabled print services.
5070         *
5071         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5072         * from pre-N.
5073         *
5074         * @hide
5075         */
5076        public static final String ENABLED_PRINT_SERVICES =
5077            "enabled_print_services";
5078
5079        /**
5080         * List of the disabled print services.
5081         *
5082         * @hide
5083         */
5084        public static final String DISABLED_PRINT_SERVICES =
5085            "disabled_print_services";
5086
5087        /**
5088         * The saved value for WindowManagerService.setForcedDisplayDensity()
5089         * formatted as a single integer representing DPI. If unset, then use
5090         * the real display density.
5091         *
5092         * @hide
5093         */
5094        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
5095
5096        /**
5097         * Setting to always use the default text-to-speech settings regardless
5098         * of the application settings.
5099         * 1 = override application settings,
5100         * 0 = use application settings (if specified).
5101         *
5102         * @deprecated  The value of this setting is no longer respected by
5103         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5104         */
5105        @Deprecated
5106        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5107
5108        /**
5109         * Default text-to-speech engine speech rate. 100 = 1x
5110         */
5111        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5112
5113        /**
5114         * Default text-to-speech engine pitch. 100 = 1x
5115         */
5116        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5117
5118        /**
5119         * Default text-to-speech engine.
5120         */
5121        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5122
5123        /**
5124         * Whether text-to-speech higher speech rate is enabled.
5125         * 0 = disabled.
5126         * 1 = enabled.
5127         * @hide
5128         */
5129        public static final String TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED =
5130            "tts_default_higher_speech_rate_enabled";
5131        /**
5132         * Default text-to-speech language.
5133         *
5134         * @deprecated this setting is no longer in use, as of the Ice Cream
5135         * Sandwich release. Apps should never need to read this setting directly,
5136         * instead can query the TextToSpeech framework classes for the default
5137         * locale. {@link TextToSpeech#getLanguage()}.
5138         */
5139        @Deprecated
5140        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5141
5142        /**
5143         * Default text-to-speech country.
5144         *
5145         * @deprecated this setting is no longer in use, as of the Ice Cream
5146         * Sandwich release. Apps should never need to read this setting directly,
5147         * instead can query the TextToSpeech framework classes for the default
5148         * locale. {@link TextToSpeech#getLanguage()}.
5149         */
5150        @Deprecated
5151        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5152
5153        /**
5154         * Default text-to-speech locale variant.
5155         *
5156         * @deprecated this setting is no longer in use, as of the Ice Cream
5157         * Sandwich release. Apps should never need to read this setting directly,
5158         * instead can query the TextToSpeech framework classes for the
5159         * locale that is in use {@link TextToSpeech#getLanguage()}.
5160         */
5161        @Deprecated
5162        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5163
5164        /**
5165         * Stores the default tts locales on a per engine basis. Stored as
5166         * a comma seperated list of values, each value being of the form
5167         * {@code engine_name:locale} for example,
5168         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5169         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5170         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5171         * setting directly, and can query the TextToSpeech framework classes
5172         * for the locale that is in use.
5173         *
5174         * @hide
5175         */
5176        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5177
5178        /**
5179         * Space delimited list of plugin packages that are enabled.
5180         */
5181        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5182
5183        /**
5184         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5185         * instead.
5186         */
5187        @Deprecated
5188        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5189                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5190
5191        /**
5192         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5193         * instead.
5194         */
5195        @Deprecated
5196        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5197                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5198
5199        /**
5200         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5201         * instead.
5202         */
5203        @Deprecated
5204        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5205                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5206
5207        /**
5208         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5209         * instead.
5210         */
5211        @Deprecated
5212        public static final String WIFI_ON = Global.WIFI_ON;
5213
5214        /**
5215         * The acceptable packet loss percentage (range 0 - 100) before trying
5216         * another AP on the same network.
5217         * @deprecated This setting is not used.
5218         */
5219        @Deprecated
5220        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5221                "wifi_watchdog_acceptable_packet_loss_percentage";
5222
5223        /**
5224         * The number of access points required for a network in order for the
5225         * watchdog to monitor it.
5226         * @deprecated This setting is not used.
5227         */
5228        @Deprecated
5229        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5230
5231        /**
5232         * The delay between background checks.
5233         * @deprecated This setting is not used.
5234         */
5235        @Deprecated
5236        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5237                "wifi_watchdog_background_check_delay_ms";
5238
5239        /**
5240         * Whether the Wi-Fi watchdog is enabled for background checking even
5241         * after it thinks the user has connected to a good access point.
5242         * @deprecated This setting is not used.
5243         */
5244        @Deprecated
5245        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5246                "wifi_watchdog_background_check_enabled";
5247
5248        /**
5249         * The timeout for a background ping
5250         * @deprecated This setting is not used.
5251         */
5252        @Deprecated
5253        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5254                "wifi_watchdog_background_check_timeout_ms";
5255
5256        /**
5257         * The number of initial pings to perform that *may* be ignored if they
5258         * fail. Again, if these fail, they will *not* be used in packet loss
5259         * calculation. For example, one network always seemed to time out for
5260         * the first couple pings, so this is set to 3 by default.
5261         * @deprecated This setting is not used.
5262         */
5263        @Deprecated
5264        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5265            "wifi_watchdog_initial_ignored_ping_count";
5266
5267        /**
5268         * The maximum number of access points (per network) to attempt to test.
5269         * If this number is reached, the watchdog will no longer monitor the
5270         * initial connection state for the network. This is a safeguard for
5271         * networks containing multiple APs whose DNS does not respond to pings.
5272         * @deprecated This setting is not used.
5273         */
5274        @Deprecated
5275        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5276
5277        /**
5278         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5279         */
5280        @Deprecated
5281        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5282
5283        /**
5284         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5285         * @deprecated This setting is not used.
5286         */
5287        @Deprecated
5288        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5289
5290        /**
5291         * The number of pings to test if an access point is a good connection.
5292         * @deprecated This setting is not used.
5293         */
5294        @Deprecated
5295        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5296
5297        /**
5298         * The delay between pings.
5299         * @deprecated This setting is not used.
5300         */
5301        @Deprecated
5302        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5303
5304        /**
5305         * The timeout per ping.
5306         * @deprecated This setting is not used.
5307         */
5308        @Deprecated
5309        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5310
5311        /**
5312         * @deprecated Use
5313         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5314         */
5315        @Deprecated
5316        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5317
5318        /**
5319         * @deprecated Use
5320         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5321         */
5322        @Deprecated
5323        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5324                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5325
5326        /**
5327         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5328         * the receivers of the PendingIntent an opportunity to make a new network request before
5329         * the Network satisfying the request is potentially removed.
5330         *
5331         * @hide
5332         */
5333        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5334                "connectivity_release_pending_intent_delay_ms";
5335
5336        /**
5337         * Whether background data usage is allowed.
5338         *
5339         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5340         *             availability of background data depends on several
5341         *             combined factors. When background data is unavailable,
5342         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5343         *             now appear disconnected.
5344         */
5345        @Deprecated
5346        public static final String BACKGROUND_DATA = "background_data";
5347
5348        /**
5349         * Origins for which browsers should allow geolocation by default.
5350         * The value is a space-separated list of origins.
5351         */
5352        public static final String ALLOWED_GEOLOCATION_ORIGINS
5353                = "allowed_geolocation_origins";
5354
5355        /**
5356         * The preferred TTY mode     0 = TTy Off, CDMA default
5357         *                            1 = TTY Full
5358         *                            2 = TTY HCO
5359         *                            3 = TTY VCO
5360         * @hide
5361         */
5362        public static final String PREFERRED_TTY_MODE =
5363                "preferred_tty_mode";
5364
5365        /**
5366         * Whether the enhanced voice privacy mode is enabled.
5367         * 0 = normal voice privacy
5368         * 1 = enhanced voice privacy
5369         * @hide
5370         */
5371        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5372
5373        /**
5374         * Whether the TTY mode mode is enabled.
5375         * 0 = disabled
5376         * 1 = enabled
5377         * @hide
5378         */
5379        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5380
5381        /**
5382         * Controls whether settings backup is enabled.
5383         * Type: int ( 0 = disabled, 1 = enabled )
5384         * @hide
5385         */
5386        public static final String BACKUP_ENABLED = "backup_enabled";
5387
5388        /**
5389         * Controls whether application data is automatically restored from backup
5390         * at install time.
5391         * Type: int ( 0 = disabled, 1 = enabled )
5392         * @hide
5393         */
5394        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5395
5396        /**
5397         * Indicates whether settings backup has been fully provisioned.
5398         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5399         * @hide
5400         */
5401        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5402
5403        /**
5404         * Component of the transport to use for backup/restore.
5405         * @hide
5406         */
5407        public static final String BACKUP_TRANSPORT = "backup_transport";
5408
5409        /**
5410         * Version for which the setup wizard was last shown.  Bumped for
5411         * each release when there is new setup information to show.
5412         * @hide
5413         */
5414        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5415
5416        /**
5417         * The interval in milliseconds after which Wi-Fi is considered idle.
5418         * When idle, it is possible for the device to be switched from Wi-Fi to
5419         * the mobile data network.
5420         * @hide
5421         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5422         * instead.
5423         */
5424        @Deprecated
5425        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5426
5427        /**
5428         * The global search provider chosen by the user (if multiple global
5429         * search providers are installed). This will be the provider returned
5430         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5431         * installed. This setting is stored as a flattened component name as
5432         * per {@link ComponentName#flattenToString()}.
5433         *
5434         * @hide
5435         */
5436        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5437                "search_global_search_activity";
5438
5439        /**
5440         * The number of promoted sources in GlobalSearch.
5441         * @hide
5442         */
5443        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5444        /**
5445         * The maximum number of suggestions returned by GlobalSearch.
5446         * @hide
5447         */
5448        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5449        /**
5450         * The number of suggestions GlobalSearch will ask each non-web search source for.
5451         * @hide
5452         */
5453        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5454        /**
5455         * The number of suggestions the GlobalSearch will ask the web search source for.
5456         * @hide
5457         */
5458        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5459                "search_web_results_override_limit";
5460        /**
5461         * The number of milliseconds that GlobalSearch will wait for suggestions from
5462         * promoted sources before continuing with all other sources.
5463         * @hide
5464         */
5465        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5466                "search_promoted_source_deadline_millis";
5467        /**
5468         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5469         * @hide
5470         */
5471        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5472        /**
5473         * The maximum number of milliseconds that GlobalSearch shows the previous results
5474         * after receiving a new query.
5475         * @hide
5476         */
5477        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5478        /**
5479         * The maximum age of log data used for shortcuts in GlobalSearch.
5480         * @hide
5481         */
5482        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5483        /**
5484         * The maximum age of log data used for source ranking in GlobalSearch.
5485         * @hide
5486         */
5487        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5488                "search_max_source_event_age_millis";
5489        /**
5490         * The minimum number of impressions needed to rank a source in GlobalSearch.
5491         * @hide
5492         */
5493        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5494                "search_min_impressions_for_source_ranking";
5495        /**
5496         * The minimum number of clicks needed to rank a source in GlobalSearch.
5497         * @hide
5498         */
5499        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5500                "search_min_clicks_for_source_ranking";
5501        /**
5502         * The maximum number of shortcuts shown by GlobalSearch.
5503         * @hide
5504         */
5505        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5506        /**
5507         * The size of the core thread pool for suggestion queries in GlobalSearch.
5508         * @hide
5509         */
5510        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5511                "search_query_thread_core_pool_size";
5512        /**
5513         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5514         * @hide
5515         */
5516        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5517                "search_query_thread_max_pool_size";
5518        /**
5519         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5520         * @hide
5521         */
5522        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5523                "search_shortcut_refresh_core_pool_size";
5524        /**
5525         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5526         * @hide
5527         */
5528        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5529                "search_shortcut_refresh_max_pool_size";
5530        /**
5531         * The maximun time that excess threads in the GlobalSeach thread pools will
5532         * wait before terminating.
5533         * @hide
5534         */
5535        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5536                "search_thread_keepalive_seconds";
5537        /**
5538         * The maximum number of concurrent suggestion queries to each source.
5539         * @hide
5540         */
5541        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5542                "search_per_source_concurrent_query_limit";
5543
5544        /**
5545         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5546         * @hide
5547         */
5548        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5549
5550        /**
5551         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5552         * @hide
5553         */
5554        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5555
5556        /**
5557         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5558         * @hide
5559         */
5560        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5561
5562        /**
5563         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5564         * @hide
5565         */
5566        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5567
5568        /**
5569         * If nonzero, ANRs in invisible background processes bring up a dialog.
5570         * Otherwise, the process will be silently killed.
5571         * @hide
5572         */
5573        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5574
5575        /**
5576         * The {@link ComponentName} string of the service to be used as the voice recognition
5577         * service.
5578         *
5579         * @hide
5580         */
5581        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5582
5583        /**
5584         * Stores whether an user has consented to have apps verified through PAM.
5585         * The value is boolean (1 or 0).
5586         *
5587         * @hide
5588         */
5589        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5590            "package_verifier_user_consent";
5591
5592        /**
5593         * The {@link ComponentName} string of the selected spell checker service which is
5594         * one of the services managed by the text service manager.
5595         *
5596         * @hide
5597         */
5598        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5599
5600        /**
5601         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5602         * service which is one of the services managed by the text service manager.
5603         *
5604         * @hide
5605         */
5606        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5607                "selected_spell_checker_subtype";
5608
5609        /**
5610         * The {@link ComponentName} string whether spell checker is enabled or not.
5611         *
5612         * @hide
5613         */
5614        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5615
5616        /**
5617         * What happens when the user presses the Power button while in-call
5618         * and the screen is on.<br/>
5619         * <b>Values:</b><br/>
5620         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5621         * 2 - The Power button hangs up the current call.<br/>
5622         *
5623         * @hide
5624         */
5625        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5626
5627        /**
5628         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5629         * @hide
5630         */
5631        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5632
5633        /**
5634         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5635         * @hide
5636         */
5637        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5638
5639        /**
5640         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5641         * @hide
5642         */
5643        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5644                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5645
5646        /**
5647         * Whether the device should wake when the wake gesture sensor detects motion.
5648         * @hide
5649         */
5650        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5651
5652        /**
5653         * Whether the device should doze if configured.
5654         * @hide
5655         */
5656        public static final String DOZE_ENABLED = "doze_enabled";
5657
5658        /**
5659         * The current night mode that has been selected by the user.  Owned
5660         * and controlled by UiModeManagerService.  Constants are as per
5661         * UiModeManager.
5662         * @hide
5663         */
5664        public static final String UI_NIGHT_MODE = "ui_night_mode";
5665
5666        /**
5667         * Whether screensavers are enabled.
5668         * @hide
5669         */
5670        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5671
5672        /**
5673         * The user's chosen screensaver components.
5674         *
5675         * These will be launched by the PhoneWindowManager after a timeout when not on
5676         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5677         * @hide
5678         */
5679        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5680
5681        /**
5682         * If screensavers are enabled, whether the screensaver should be automatically launched
5683         * when the device is inserted into a (desk) dock.
5684         * @hide
5685         */
5686        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5687
5688        /**
5689         * If screensavers are enabled, whether the screensaver should be automatically launched
5690         * when the screen times out when not on battery.
5691         * @hide
5692         */
5693        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5694
5695        /**
5696         * If screensavers are enabled, the default screensaver component.
5697         * @hide
5698         */
5699        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5700
5701        /**
5702         * The default NFC payment component
5703         * @hide
5704         */
5705        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5706
5707        /**
5708         * Whether NFC payment is handled by the foreground application or a default.
5709         * @hide
5710         */
5711        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5712
5713        /**
5714         * Specifies the package name currently configured to be the primary sms application
5715         * @hide
5716         */
5717        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5718
5719        /**
5720         * Specifies the package name currently configured to be the default dialer application
5721         * @hide
5722         */
5723        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5724
5725        /**
5726         * Specifies the package name currently configured to be the emergency assistance application
5727         *
5728         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5729         *
5730         * @hide
5731         */
5732        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5733
5734        /**
5735         * Specifies whether the current app context on scren (assist data) will be sent to the
5736         * assist application (active voice interaction service).
5737         *
5738         * @hide
5739         */
5740        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5741
5742        /**
5743         * Specifies whether a screenshot of the screen contents will be sent to the assist
5744         * application (active voice interaction service).
5745         *
5746         * @hide
5747         */
5748        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5749
5750        /**
5751         * Names of the service component that the current user has explicitly allowed to
5752         * see and change the importance of all of the user's notifications.
5753         *
5754         * @hide
5755         */
5756        public static final String ENABLED_NOTIFICATION_ASSISTANT
5757                = "enabled_notification_assistant";
5758
5759        /**
5760         * Names of the service components that the current user has explicitly allowed to
5761         * see all of the user's notifications, separated by ':'.
5762         *
5763         * @hide
5764         */
5765        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5766
5767        /**
5768         * Names of the packages that the current user has explicitly allowed to
5769         * manage notification policy configuration, separated by ':'.
5770         */
5771        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5772                "enabled_notification_policy_access_packages";
5773
5774        /** @hide */
5775        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5776
5777        /** @hide */
5778        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5779                = "volume_controller_service_component";
5780
5781        /** @hide */
5782        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5783
5784        /**
5785         * This is the query URI for finding a print service to install.
5786         *
5787         * @hide
5788         */
5789        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5790
5791        /**
5792         * This is the query URI for finding a NFC payment service to install.
5793         *
5794         * @hide
5795         */
5796        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5797
5798        /**
5799         * If enabled, apps should try to skip any introductory hints on first launch. This might
5800         * apply to users that are already familiar with the environment or temporary users.
5801         * <p>
5802         * Type : int (0 to show hints, 1 to skip showing hints)
5803         */
5804        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5805
5806        /**
5807         * Persisted playback time after a user confirmation of an unsafe volume level.
5808         *
5809         * @hide
5810         */
5811        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5812
5813        /**
5814         * This preference enables notification display on the lockscreen.
5815         * @hide
5816         */
5817        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5818                "lock_screen_show_notifications";
5819
5820        /**
5821         * List of TV inputs that are currently hidden. This is a string
5822         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5823         * {@link android.net.Uri#encode(String)} and separated by ':'.
5824         * @hide
5825         */
5826        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5827
5828        /**
5829         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5830         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5831         * and separated by ','. Each pair is separated by ':'.
5832         * @hide
5833         */
5834        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5835
5836        /**
5837         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5838         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5839         * and 0 means automatic routing is enabled.
5840         *
5841         * @hide
5842         */
5843        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5844                "usb_audio_automatic_routing_disabled";
5845
5846        /**
5847         * The timeout in milliseconds before the device fully goes to sleep after
5848         * a period of inactivity.  This value sets an upper bound on how long the device
5849         * will stay awake or dreaming without user activity.  It should generally
5850         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5851         * will sleep before it ever has a chance to dream.
5852         * <p>
5853         * Use -1 to disable this timeout.
5854         * </p>
5855         *
5856         * @hide
5857         */
5858        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5859
5860        /**
5861         * Controls whether double tap to wake is enabled.
5862         * @hide
5863         */
5864        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5865
5866        /**
5867         * The current assistant component. It could be a voice interaction service,
5868         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5869         * handling.
5870         *
5871         * @hide
5872         */
5873        public static final String ASSISTANT = "assistant";
5874
5875        /**
5876         * Whether the camera launch gesture should be disabled.
5877         *
5878         * @hide
5879         */
5880        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5881
5882        /**
5883         * Whether the camera launch gesture to double tap the power button when the screen is off
5884         * should be disabled.
5885         *
5886         * @hide
5887         */
5888        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5889                "camera_double_tap_power_gesture_disabled";
5890
5891        /**
5892         * Name of the package used as WebView provider (if unset the provider is instead determined
5893         * by the system).
5894         * @hide
5895         */
5896        public static final String WEBVIEW_PROVIDER = "webview_provider";
5897
5898        /**
5899         * This are the settings to be backed up.
5900         *
5901         * NOTE: Settings are backed up and restored in the order they appear
5902         *       in this array. If you have one setting depending on another,
5903         *       make sure that they are ordered appropriately.
5904         *
5905         * @hide
5906         */
5907        public static final String[] SETTINGS_TO_BACKUP = {
5908            BUGREPORT_IN_POWER_MENU,                            // moved to global
5909            ALLOW_MOCK_LOCATION,
5910            PARENTAL_CONTROL_ENABLED,
5911            PARENTAL_CONTROL_REDIRECT_URL,
5912            USB_MASS_STORAGE_ENABLED,                           // moved to global
5913            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
5914            ACCESSIBILITY_DISPLAY_DALTONIZER,
5915            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
5916            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
5917            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5918            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5919            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5920            ACCESSIBILITY_SCRIPT_INJECTION,
5921            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
5922            BACKUP_AUTO_RESTORE,
5923            ENABLED_ACCESSIBILITY_SERVICES,
5924            ENABLED_NOTIFICATION_LISTENERS,
5925            ENABLED_INPUT_METHODS,
5926            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5927            TOUCH_EXPLORATION_ENABLED,
5928            ACCESSIBILITY_ENABLED,
5929            ACCESSIBILITY_SPEAK_PASSWORD,
5930            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5931            ACCESSIBILITY_CAPTIONING_PRESET,
5932            ACCESSIBILITY_CAPTIONING_ENABLED,
5933            ACCESSIBILITY_CAPTIONING_LOCALE,
5934            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5935            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5936            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5937            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5938            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5939            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5940            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
5941            TTS_USE_DEFAULTS,
5942            TTS_DEFAULT_RATE,
5943            TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED,
5944            TTS_DEFAULT_PITCH,
5945            TTS_DEFAULT_SYNTH,
5946            TTS_DEFAULT_LANG,
5947            TTS_DEFAULT_COUNTRY,
5948            TTS_ENABLED_PLUGINS,
5949            TTS_DEFAULT_LOCALE,
5950            SHOW_IME_WITH_HARD_KEYBOARD,
5951            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5952            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5953            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5954            SELECTED_SPELL_CHECKER,
5955            SELECTED_SPELL_CHECKER_SUBTYPE,
5956            SPELL_CHECKER_ENABLED,
5957            MOUNT_PLAY_NOTIFICATION_SND,
5958            MOUNT_UMS_AUTOSTART,
5959            MOUNT_UMS_PROMPT,
5960            MOUNT_UMS_NOTIFY_ENABLED,
5961            UI_NIGHT_MODE,
5962            SLEEP_TIMEOUT,
5963            DOUBLE_TAP_TO_WAKE,
5964            WAKE_GESTURE_ENABLED,
5965            LONG_PRESS_TIMEOUT,
5966            CAMERA_GESTURE_DISABLED,
5967            ACCESSIBILITY_AUTOCLICK_ENABLED,
5968            ACCESSIBILITY_AUTOCLICK_DELAY,
5969            ACCESSIBILITY_LARGE_POINTER_ICON,
5970            PREFERRED_TTY_MODE,
5971            ENHANCED_VOICE_PRIVACY_ENABLED,
5972            TTY_MODE_ENABLED,
5973            INCALL_POWER_BUTTON_BEHAVIOR
5974        };
5975
5976        /**
5977         * These entries are considered common between the personal and the managed profile,
5978         * since the managed profile doesn't get to change them.
5979         */
5980        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5981
5982        static {
5983            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5984            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5985            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5986            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5987            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5988            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5989            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5990            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5991            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5992            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5993            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5994            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5995        }
5996
5997        /** @hide */
5998        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5999            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
6000        }
6001
6002        /**
6003         * Helper method for determining if a location provider is enabled.
6004         *
6005         * @param cr the content resolver to use
6006         * @param provider the location provider to query
6007         * @return true if the provider is enabled
6008         *
6009         * @deprecated use {@link #LOCATION_MODE} or
6010         *             {@link LocationManager#isProviderEnabled(String)}
6011         */
6012        @Deprecated
6013        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6014            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6015        }
6016
6017        /**
6018         * Helper method for determining if a location provider is enabled.
6019         * @param cr the content resolver to use
6020         * @param provider the location provider to query
6021         * @param userId the userId to query
6022         * @return true if the provider is enabled
6023         * @deprecated use {@link #LOCATION_MODE} or
6024         *             {@link LocationManager#isProviderEnabled(String)}
6025         * @hide
6026         */
6027        @Deprecated
6028        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6029            String allowedProviders = Settings.Secure.getStringForUser(cr,
6030                    LOCATION_PROVIDERS_ALLOWED, userId);
6031            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6032        }
6033
6034        /**
6035         * Thread-safe method for enabling or disabling a single location provider.
6036         * @param cr the content resolver to use
6037         * @param provider the location provider to enable or disable
6038         * @param enabled true if the provider should be enabled
6039         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6040         */
6041        @Deprecated
6042        public static final void setLocationProviderEnabled(ContentResolver cr,
6043                String provider, boolean enabled) {
6044            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6045        }
6046
6047        /**
6048         * Thread-safe method for enabling or disabling a single location provider.
6049         *
6050         * @param cr the content resolver to use
6051         * @param provider the location provider to enable or disable
6052         * @param enabled true if the provider should be enabled
6053         * @param userId the userId for which to enable/disable providers
6054         * @return true if the value was set, false on database errors
6055         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6056         *             {@link #LOCATION_MODE}
6057         * @hide
6058         */
6059        @Deprecated
6060        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6061                String provider, boolean enabled, int userId) {
6062            synchronized (mLocationSettingsLock) {
6063                // to ensure thread safety, we write the provider name with a '+' or '-'
6064                // and let the SettingsProvider handle it rather than reading and modifying
6065                // the list of enabled providers.
6066                if (enabled) {
6067                    provider = "+" + provider;
6068                } else {
6069                    provider = "-" + provider;
6070                }
6071                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6072                        userId);
6073            }
6074        }
6075
6076        /**
6077         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6078         */
6079        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6080            final int mode = getLocationModeForUser(cr, userId);
6081            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6082        }
6083
6084        /**
6085         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6086         */
6087        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6088            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6089                    LOCATION_MODE_HIGH_ACCURACY, userId);
6090            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6091            // turn on location any longer.
6092            if (mode == LOCATION_MODE_OFF) {
6093                mode = LOCATION_MODE_HIGH_ACCURACY;
6094            }
6095            return setLocationModeForUser(cr, mode, userId);
6096        }
6097
6098        /**
6099         * Thread-safe method for setting the location mode to one of
6100         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6101         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6102         *
6103         * @param cr the content resolver to use
6104         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6105         * @param userId the userId for which to change mode
6106         * @return true if the value was set, false on database errors
6107         *
6108         * @throws IllegalArgumentException if mode is not one of the supported values
6109         */
6110        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6111                int userId) {
6112            synchronized (mLocationSettingsLock) {
6113                boolean gps = false;
6114                boolean network = false;
6115                switch (mode) {
6116                    case LOCATION_MODE_PREVIOUS:
6117                        // Retrieve the actual mode and set to that mode.
6118                        return restoreLocationModeForUser(cr, userId);
6119                    case LOCATION_MODE_OFF:
6120                        saveLocationModeForUser(cr, userId);
6121                        break;
6122                    case LOCATION_MODE_SENSORS_ONLY:
6123                        gps = true;
6124                        break;
6125                    case LOCATION_MODE_BATTERY_SAVING:
6126                        network = true;
6127                        break;
6128                    case LOCATION_MODE_HIGH_ACCURACY:
6129                        gps = true;
6130                        network = true;
6131                        break;
6132                    default:
6133                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6134                }
6135                // Note it's important that we set the NLP mode first. The Google implementation
6136                // of NLP clears its NLP consent setting any time it receives a
6137                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6138                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6139                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6140                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6141                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6142                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6143                // dialog. Then the people who wrote the setup wizard would be sad.
6144                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6145                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6146                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6147                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6148                return gpsSuccess && nlpSuccess;
6149            }
6150        }
6151
6152        /**
6153         * Thread-safe method for reading the location mode, returns one of
6154         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6155         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6156         *
6157         * @param cr the content resolver to use
6158         * @param userId the userId for which to read the mode
6159         * @return the location mode
6160         */
6161        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6162            synchronized (mLocationSettingsLock) {
6163                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6164                        cr, LocationManager.GPS_PROVIDER, userId);
6165                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6166                        cr, LocationManager.NETWORK_PROVIDER, userId);
6167                if (gpsEnabled && networkEnabled) {
6168                    return LOCATION_MODE_HIGH_ACCURACY;
6169                } else if (gpsEnabled) {
6170                    return LOCATION_MODE_SENSORS_ONLY;
6171                } else if (networkEnabled) {
6172                    return LOCATION_MODE_BATTERY_SAVING;
6173                } else {
6174                    return LOCATION_MODE_OFF;
6175                }
6176            }
6177        }
6178    }
6179
6180    /**
6181     * Global system settings, containing preferences that always apply identically
6182     * to all defined users.  Applications can read these but are not allowed to write;
6183     * like the "Secure" settings, these are for preferences that the user must
6184     * explicitly modify through the system UI or specialized APIs for those values.
6185     */
6186    public static final class Global extends NameValueTable {
6187        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6188
6189        /**
6190         * The content:// style URL for global secure settings items.  Not public.
6191         */
6192        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6193
6194        /**
6195         * Whether users are allowed to add more users or guest from lockscreen.
6196         * <p>
6197         * Type: int
6198         * @hide
6199         */
6200        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6201
6202        /**
6203         * Setting whether the global gesture for enabling accessibility is enabled.
6204         * If this gesture is enabled the user will be able to perfrom it to enable
6205         * the accessibility state without visiting the settings app.
6206         * @hide
6207         */
6208        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6209                "enable_accessibility_global_gesture_enabled";
6210
6211        /**
6212         * Whether Airplane Mode is on.
6213         */
6214        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6215
6216        /**
6217         * Whether Theater Mode is on.
6218         * {@hide}
6219         */
6220        @SystemApi
6221        public static final String THEATER_MODE_ON = "theater_mode_on";
6222
6223        /**
6224         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6225         */
6226        public static final String RADIO_BLUETOOTH = "bluetooth";
6227
6228        /**
6229         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6230         */
6231        public static final String RADIO_WIFI = "wifi";
6232
6233        /**
6234         * {@hide}
6235         */
6236        public static final String RADIO_WIMAX = "wimax";
6237        /**
6238         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6239         */
6240        public static final String RADIO_CELL = "cell";
6241
6242        /**
6243         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6244         */
6245        public static final String RADIO_NFC = "nfc";
6246
6247        /**
6248         * A comma separated list of radios that need to be disabled when airplane mode
6249         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6250         * included in the comma separated list.
6251         */
6252        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6253
6254        /**
6255         * A comma separated list of radios that should to be disabled when airplane mode
6256         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6257         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6258         * will be turned off when entering airplane mode, but the user will be able to reenable
6259         * Wifi in the Settings app.
6260         *
6261         * {@hide}
6262         */
6263        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6264
6265        /**
6266         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6267         * See {@link android.bluetooth.BluetoothProfile}.
6268         * {@hide}
6269         */
6270        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6271
6272        /**
6273         * The policy for deciding when Wi-Fi should go to sleep (which will in
6274         * turn switch to using the mobile data as an Internet connection).
6275         * <p>
6276         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6277         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6278         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6279         */
6280        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6281
6282        /**
6283         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6284         * policy, which is to sleep shortly after the turning off
6285         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6286         */
6287        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6288
6289        /**
6290         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6291         * the device is on battery, and never go to sleep when the device is
6292         * plugged in.
6293         */
6294        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6295
6296        /**
6297         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6298         */
6299        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6300
6301        /**
6302         * Value to specify if the user prefers the date, time and time zone
6303         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6304         */
6305        public static final String AUTO_TIME = "auto_time";
6306
6307        /**
6308         * Value to specify if the user prefers the time zone
6309         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6310         */
6311        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6312
6313        /**
6314         * URI for the car dock "in" event sound.
6315         * @hide
6316         */
6317        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6318
6319        /**
6320         * URI for the car dock "out" event sound.
6321         * @hide
6322         */
6323        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6324
6325        /**
6326         * URI for the desk dock "in" event sound.
6327         * @hide
6328         */
6329        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6330
6331        /**
6332         * URI for the desk dock "out" event sound.
6333         * @hide
6334         */
6335        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6336
6337        /**
6338         * Whether to play a sound for dock events.
6339         * @hide
6340         */
6341        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6342
6343        /**
6344         * URI for the "device locked" (keyguard shown) sound.
6345         * @hide
6346         */
6347        public static final String LOCK_SOUND = "lock_sound";
6348
6349        /**
6350         * URI for the "device unlocked" sound.
6351         * @hide
6352         */
6353        public static final String UNLOCK_SOUND = "unlock_sound";
6354
6355        /**
6356         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6357         * state without unlocking.
6358         * @hide
6359         */
6360        public static final String TRUSTED_SOUND = "trusted_sound";
6361
6362        /**
6363         * URI for the low battery sound file.
6364         * @hide
6365         */
6366        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6367
6368        /**
6369         * Whether to play a sound for low-battery alerts.
6370         * @hide
6371         */
6372        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6373
6374        /**
6375         * URI for the "wireless charging started" sound.
6376         * @hide
6377         */
6378        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6379                "wireless_charging_started_sound";
6380
6381        /**
6382         * Whether to play a sound for charging events.
6383         * @hide
6384         */
6385        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6386
6387        /**
6388         * Whether we keep the device on while the device is plugged in.
6389         * Supported values are:
6390         * <ul>
6391         * <li>{@code 0} to never stay on while plugged in</li>
6392         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6393         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6394         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6395         * </ul>
6396         * These values can be OR-ed together.
6397         */
6398        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6399
6400        /**
6401         * When the user has enable the option to have a "bug report" command
6402         * in the power menu.
6403         * @hide
6404         */
6405        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6406
6407        /**
6408         * Whether ADB is enabled.
6409         */
6410        public static final String ADB_ENABLED = "adb_enabled";
6411
6412        /**
6413         * Whether Views are allowed to save their attribute data.
6414         * @hide
6415         */
6416        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6417
6418        /**
6419         * Whether assisted GPS should be enabled or not.
6420         * @hide
6421         */
6422        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6423
6424        /**
6425         * Whether bluetooth is enabled/disabled
6426         * 0=disabled. 1=enabled.
6427         */
6428        public static final String BLUETOOTH_ON = "bluetooth_on";
6429
6430        /**
6431         * CDMA Cell Broadcast SMS
6432         *                            0 = CDMA Cell Broadcast SMS disabled
6433         *                            1 = CDMA Cell Broadcast SMS enabled
6434         * @hide
6435         */
6436        public static final String CDMA_CELL_BROADCAST_SMS =
6437                "cdma_cell_broadcast_sms";
6438
6439        /**
6440         * The CDMA roaming mode 0 = Home Networks, CDMA default
6441         *                       1 = Roaming on Affiliated networks
6442         *                       2 = Roaming on any networks
6443         * @hide
6444         */
6445        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6446
6447        /**
6448         * The CDMA subscription mode 0 = RUIM/SIM (default)
6449         *                                1 = NV
6450         * @hide
6451         */
6452        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6453
6454        /** Inactivity timeout to track mobile data activity.
6455        *
6456        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6457        * infer the data activity of mobile network. After a period of no activity on mobile
6458        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6459        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6460        * subsequent activity on mobile networks triggers the firing of {@code
6461        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6462        *
6463        * Network activity refers to transmitting or receiving data on the network interfaces.
6464        *
6465        * Tracking is disabled if set to zero or negative value.
6466        *
6467        * @hide
6468        */
6469       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6470
6471       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6472        * but for Wifi network.
6473        * @hide
6474        */
6475       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6476
6477       /**
6478        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6479        */
6480       public static final String DATA_ROAMING = "data_roaming";
6481
6482       /**
6483        * The value passed to a Mobile DataConnection via bringUp which defines the
6484        * number of retries to preform when setting up the initial connection. The default
6485        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6486        * @hide
6487        */
6488       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6489
6490       /**
6491        * Whether any package can be on external storage. When this is true, any
6492        * package, regardless of manifest values, is a candidate for installing
6493        * or moving onto external storage. (0 = false, 1 = true)
6494        * @hide
6495        */
6496       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6497
6498        /**
6499         * Whether any activity can be resized. When this is true, any
6500         * activity, regardless of manifest values, can be resized for multi-window.
6501         * (0 = false, 1 = true)
6502         * @hide
6503         */
6504        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6505                = "force_resizable_activities";
6506
6507        /**
6508         * Whether to enable experimental freeform support for windows.
6509         * @hide
6510         */
6511        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6512                = "enable_freeform_support";
6513
6514       /**
6515        * Whether user has enabled development settings.
6516        */
6517       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6518
6519       /**
6520        * Whether the device has been provisioned (0 = false, 1 = true).
6521        * <p>On a multiuser device with a separate system user, the screen may be locked
6522        * as soon as this is set to true and further activities cannot be launched on the
6523        * system user unless they are marked to show over keyguard.
6524        */
6525       public static final String DEVICE_PROVISIONED = "device_provisioned";
6526
6527       /**
6528        * The saved value for WindowManagerService.setForcedDisplaySize().
6529        * Two integers separated by a comma.  If unset, then use the real display size.
6530        * @hide
6531        */
6532       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6533
6534       /**
6535        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6536        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6537        * @hide
6538        */
6539       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6540
6541       /**
6542        * The maximum size, in bytes, of a download that the download manager will transfer over
6543        * a non-wifi connection.
6544        * @hide
6545        */
6546       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6547               "download_manager_max_bytes_over_mobile";
6548
6549       /**
6550        * The recommended maximum size, in bytes, of a download that the download manager should
6551        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6552        * have the option to start the download over the mobile connection anyway.
6553        * @hide
6554        */
6555       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6556               "download_manager_recommended_max_bytes_over_mobile";
6557
6558       /**
6559        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6560        */
6561       @Deprecated
6562       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6563
6564       /**
6565        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6566        * sent or processed. (0 = false, 1 = true)
6567        * @hide
6568        */
6569       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6570
6571       /**
6572        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6573        * and the output is redirected to AV Receiver connected via
6574        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6575        * @hide
6576        */
6577       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6578
6579       /**
6580        * Whether TV will automatically turn on upon reception of the CEC command
6581        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6582        * @hide
6583        */
6584       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6585               "hdmi_control_auto_wakeup_enabled";
6586
6587       /**
6588        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6589        * (0 = false, 1 = true)
6590        * @hide
6591        */
6592       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6593               "hdmi_control_auto_device_off_enabled";
6594
6595       /**
6596        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6597        * client.
6598        * (0 = false, 1 = true)
6599        * @hide
6600        */
6601       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6602
6603       /**
6604        * Whether TV will switch to MHL port when a mobile device is plugged in.
6605        * (0 = false, 1 = true)
6606        * @hide
6607        */
6608       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6609
6610       /**
6611        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6612        * @hide
6613        */
6614       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6615
6616       /**
6617        * Whether mobile data connections are allowed by the user.  See
6618        * ConnectivityManager for more info.
6619        * @hide
6620        */
6621       public static final String MOBILE_DATA = "mobile_data";
6622
6623       /**
6624        * Whether the mobile data connection should remain active even when higher
6625        * priority networks like WiFi are active, to help make network switching faster.
6626        *
6627        * See ConnectivityService for more info.
6628        *
6629        * (0 = disabled, 1 = enabled)
6630        * @hide
6631        */
6632       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6633
6634       /** {@hide} */
6635       public static final String NETSTATS_ENABLED = "netstats_enabled";
6636       /** {@hide} */
6637       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6638       /** {@hide} */
6639       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6640       /** {@hide} */
6641       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6642       /** {@hide} */
6643       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6644
6645       /** {@hide} */
6646       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6647       /** {@hide} */
6648       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6649       /** {@hide} */
6650       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6651       /** {@hide} */
6652       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6653
6654       /** {@hide} */
6655       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6656       /** {@hide} */
6657       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6658       /** {@hide} */
6659       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6660       /** {@hide} */
6661       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6662
6663       /** {@hide} */
6664       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6665       /** {@hide} */
6666       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6667       /** {@hide} */
6668       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6669       /** {@hide} */
6670       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6671
6672       /**
6673        * User preference for which network(s) should be used. Only the
6674        * connectivity service should touch this.
6675        */
6676       public static final String NETWORK_PREFERENCE = "network_preference";
6677
6678       /**
6679        * Which package name to use for network scoring. If null, or if the package is not a valid
6680        * scorer app, external network scores will neither be requested nor accepted.
6681        * @hide
6682        */
6683       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6684
6685       /**
6686        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6687        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6688        * exceeded.
6689        * @hide
6690        */
6691       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6692
6693       /**
6694        * The length of time in milli-seconds that automatic small adjustments to
6695        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6696        * @hide
6697        */
6698       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6699
6700       /** Preferred NTP server. {@hide} */
6701       public static final String NTP_SERVER = "ntp_server";
6702       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6703       public static final String NTP_TIMEOUT = "ntp_timeout";
6704
6705       /** {@hide} */
6706       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6707
6708       /**
6709        * Whether the package manager should send package verification broadcasts for verifiers to
6710        * review apps prior to installation.
6711        * 1 = request apps to be verified prior to installation, if a verifier exists.
6712        * 0 = do not verify apps before installation
6713        * @hide
6714        */
6715       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6716
6717       /** Timeout for package verification.
6718        * @hide */
6719       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6720
6721       /** Default response code for package verification.
6722        * @hide */
6723       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6724
6725       /**
6726        * Show package verification setting in the Settings app.
6727        * 1 = show (default)
6728        * 0 = hide
6729        * @hide
6730        */
6731       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6732
6733       /**
6734        * Run package verification on apps installed through ADB/ADT/USB
6735        * 1 = perform package verification on ADB installs (default)
6736        * 0 = bypass package verification on ADB installs
6737        * @hide
6738        */
6739       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6740
6741       /**
6742        * Time since last fstrim (milliseconds) after which we force one to happen
6743        * during device startup.  If unset, the default is 3 days.
6744        * @hide
6745        */
6746       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6747
6748       /**
6749        * The interval in milliseconds at which to check packet counts on the
6750        * mobile data interface when screen is on, to detect possible data
6751        * connection problems.
6752        * @hide
6753        */
6754       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6755               "pdp_watchdog_poll_interval_ms";
6756
6757       /**
6758        * The interval in milliseconds at which to check packet counts on the
6759        * mobile data interface when screen is off, to detect possible data
6760        * connection problems.
6761        * @hide
6762        */
6763       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6764               "pdp_watchdog_long_poll_interval_ms";
6765
6766       /**
6767        * The interval in milliseconds at which to check packet counts on the
6768        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6769        * outgoing packets has been reached without incoming packets.
6770        * @hide
6771        */
6772       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6773               "pdp_watchdog_error_poll_interval_ms";
6774
6775       /**
6776        * The number of outgoing packets sent without seeing an incoming packet
6777        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6778        * device is logged to the event log
6779        * @hide
6780        */
6781       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6782               "pdp_watchdog_trigger_packet_count";
6783
6784       /**
6785        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6786        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6787        * attempting data connection recovery.
6788        * @hide
6789        */
6790       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6791               "pdp_watchdog_error_poll_count";
6792
6793       /**
6794        * The number of failed PDP reset attempts before moving to something more
6795        * drastic: re-registering to the network.
6796        * @hide
6797        */
6798       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6799               "pdp_watchdog_max_pdp_reset_fail_count";
6800
6801       /**
6802        * A positive value indicates how often the SamplingProfiler
6803        * should take snapshots. Zero value means SamplingProfiler
6804        * is disabled.
6805        *
6806        * @hide
6807        */
6808       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6809
6810       /**
6811        * URL to open browser on to allow user to manage a prepay account
6812        * @hide
6813        */
6814       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6815               "setup_prepaid_data_service_url";
6816
6817       /**
6818        * URL to attempt a GET on to see if this is a prepay device
6819        * @hide
6820        */
6821       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6822               "setup_prepaid_detection_target_url";
6823
6824       /**
6825        * Host to check for a redirect to after an attempt to GET
6826        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6827        * this is a prepaid device with zero balance.)
6828        * @hide
6829        */
6830       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6831               "setup_prepaid_detection_redir_host";
6832
6833       /**
6834        * The interval in milliseconds at which to check the number of SMS sent out without asking
6835        * for use permit, to limit the un-authorized SMS usage.
6836        *
6837        * @hide
6838        */
6839       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6840               "sms_outgoing_check_interval_ms";
6841
6842       /**
6843        * The number of outgoing SMS sent without asking for user permit (of {@link
6844        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6845        *
6846        * @hide
6847        */
6848       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6849               "sms_outgoing_check_max_count";
6850
6851       /**
6852        * Used to disable SMS short code confirmation - defaults to true.
6853        * True indcates we will do the check, etc.  Set to false to disable.
6854        * @see com.android.internal.telephony.SmsUsageMonitor
6855        * @hide
6856        */
6857       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6858
6859        /**
6860         * Used to select which country we use to determine premium sms codes.
6861         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6862         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6863         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6864         * @hide
6865         */
6866        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6867
6868       /**
6869        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6870        * @hide
6871        */
6872       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6873
6874       /**
6875        * Used to disable Tethering on a device - defaults to true
6876        * @hide
6877        */
6878       public static final String TETHER_SUPPORTED = "tether_supported";
6879
6880       /**
6881        * Used to require DUN APN on the device or not - defaults to a build config value
6882        * which defaults to false
6883        * @hide
6884        */
6885       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6886
6887       /**
6888        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6889        * corresponding build config values are set it will override the APN DB
6890        * values.
6891        * Consists of a comma seperated list of strings:
6892        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6893        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6894        * @hide
6895        */
6896       public static final String TETHER_DUN_APN = "tether_dun_apn";
6897
6898       /**
6899        * USB Mass Storage Enabled
6900        */
6901       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6902
6903       /**
6904        * If this setting is set (to anything), then all references
6905        * to Gmail on the device must change to Google Mail.
6906        */
6907       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6908
6909        /**
6910         * Webview Data reduction proxy key.
6911         * @hide
6912         */
6913        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6914                "webview_data_reduction_proxy_key";
6915
6916       /**
6917        * Whether Wifi display is enabled/disabled
6918        * 0=disabled. 1=enabled.
6919        * @hide
6920        */
6921       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6922
6923       /**
6924        * Whether Wifi display certification mode is enabled/disabled
6925        * 0=disabled. 1=enabled.
6926        * @hide
6927        */
6928       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6929               "wifi_display_certification_on";
6930
6931       /**
6932        * WPS Configuration method used by Wifi display, this setting only
6933        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6934        *
6935        * Possible values are:
6936        *
6937        * WpsInfo.INVALID: use default WPS method chosen by framework
6938        * WpsInfo.PBC    : use Push button
6939        * WpsInfo.KEYPAD : use Keypad
6940        * WpsInfo.DISPLAY: use Display
6941        * @hide
6942        */
6943       public static final String WIFI_DISPLAY_WPS_CONFIG =
6944           "wifi_display_wps_config";
6945
6946       /**
6947        * Whether to notify the user of open networks.
6948        * <p>
6949        * If not connected and the scan results have an open network, we will
6950        * put this notification up. If we attempt to connect to a network or
6951        * the open network(s) disappear, we remove the notification. When we
6952        * show the notification, we will not show it again for
6953        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6954        */
6955       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6956               "wifi_networks_available_notification_on";
6957       /**
6958        * {@hide}
6959        */
6960       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6961               "wimax_networks_available_notification_on";
6962
6963       /**
6964        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6965        * Connecting to a network will reset the timer.
6966        */
6967       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6968               "wifi_networks_available_repeat_delay";
6969
6970       /**
6971        * 802.11 country code in ISO 3166 format
6972        * @hide
6973        */
6974       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6975
6976       /**
6977        * The interval in milliseconds to issue wake up scans when wifi needs
6978        * to connect. This is necessary to connect to an access point when
6979        * device is on the move and the screen is off.
6980        * @hide
6981        */
6982       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6983               "wifi_framework_scan_interval_ms";
6984
6985       /**
6986        * The interval in milliseconds after which Wi-Fi is considered idle.
6987        * When idle, it is possible for the device to be switched from Wi-Fi to
6988        * the mobile data network.
6989        * @hide
6990        */
6991       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6992
6993       /**
6994        * When the number of open networks exceeds this number, the
6995        * least-recently-used excess networks will be removed.
6996        */
6997       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6998
6999       /**
7000        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7001        */
7002       public static final String WIFI_ON = "wifi_on";
7003
7004       /**
7005        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7006        * @hide
7007        */
7008       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7009                "wifi_scan_always_enabled";
7010
7011       /**
7012        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7013        * connectivity.
7014        * @hide
7015        */
7016       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7017               "ble_scan_always_enabled";
7018
7019       /**
7020        * Used to save the Wifi_ON state prior to tethering.
7021        * This state will be checked to restore Wifi after
7022        * the user turns off tethering.
7023        *
7024        * @hide
7025        */
7026       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7027
7028       /**
7029        * The interval in milliseconds to scan as used by the wifi supplicant
7030        * @hide
7031        */
7032       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7033               "wifi_supplicant_scan_interval_ms";
7034
7035        /**
7036         * whether frameworks handles wifi auto-join
7037         * @hide
7038         */
7039       public static final String WIFI_ENHANCED_AUTO_JOIN =
7040                "wifi_enhanced_auto_join";
7041
7042        /**
7043         * whether settings show RSSI
7044         * @hide
7045         */
7046        public static final String WIFI_NETWORK_SHOW_RSSI =
7047                "wifi_network_show_rssi";
7048
7049        /**
7050        * The interval in milliseconds to scan at supplicant when p2p is connected
7051        * @hide
7052        */
7053       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7054               "wifi_scan_interval_p2p_connected_ms";
7055
7056       /**
7057        * Whether the Wi-Fi watchdog is enabled.
7058        */
7059       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7060
7061       /**
7062        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7063        * the setting needs to be set to 0 to disable it.
7064        * @hide
7065        */
7066       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7067               "wifi_watchdog_poor_network_test_enabled";
7068
7069       /**
7070        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7071        * needs to be set to 0 to disable it.
7072        * @hide
7073        */
7074       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7075               "wifi_suspend_optimizations_enabled";
7076
7077       /**
7078        * The maximum number of times we will retry a connection to an access
7079        * point for which we have failed in acquiring an IP address from DHCP.
7080        * A value of N means that we will make N+1 connection attempts in all.
7081        */
7082       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7083
7084       /**
7085        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7086        * data connectivity to be established after a disconnect from Wi-Fi.
7087        */
7088       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7089           "wifi_mobile_data_transition_wakelock_timeout_ms";
7090
7091       /**
7092        * This setting controls whether WiFi configurations created by a Device Owner app
7093        * should be locked down (that is, be editable or removable only by the Device Owner App,
7094        * not even by Settings app).
7095        * This setting takes integer values. Non-zero values mean DO created configurations
7096        * are locked down. Value of zero means they are not. Default value in the absence of
7097        * actual value to this setting is 0.
7098        */
7099       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7100               "wifi_device_owner_configs_lockdown";
7101
7102       /**
7103        * The operational wifi frequency band
7104        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7105        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7106        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7107        *
7108        * @hide
7109        */
7110       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7111
7112       /**
7113        * The Wi-Fi peer-to-peer device name
7114        * @hide
7115        */
7116       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7117
7118       /**
7119        * The min time between wifi disable and wifi enable
7120        * @hide
7121        */
7122       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7123
7124       /**
7125        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7126        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7127        * has been seen in this time period.
7128        *
7129        * If this is less than or equal to zero, we use a more conservative behavior and only check
7130        * for a non-null score from the currently connected or target BSSID.
7131        * @hide
7132        */
7133       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7134               "wifi_ephemeral_out_of_range_timeout_ms";
7135
7136       /**
7137        * The number of milliseconds to delay when checking for data stalls during
7138        * non-aggressive detection. (screen is turned off.)
7139        * @hide
7140        */
7141       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7142               "data_stall_alarm_non_aggressive_delay_in_ms";
7143
7144       /**
7145        * The number of milliseconds to delay when checking for data stalls during
7146        * aggressive detection. (screen on or suspected data stall)
7147        * @hide
7148        */
7149       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7150               "data_stall_alarm_aggressive_delay_in_ms";
7151
7152       /**
7153        * The number of milliseconds to allow the provisioning apn to remain active
7154        * @hide
7155        */
7156       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7157               "provisioning_apn_alarm_delay_in_ms";
7158
7159       /**
7160        * The interval in milliseconds at which to check gprs registration
7161        * after the first registration mismatch of gprs and voice service,
7162        * to detect possible data network registration problems.
7163        *
7164        * @hide
7165        */
7166       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7167               "gprs_register_check_period_ms";
7168
7169       /**
7170        * Nonzero causes Log.wtf() to crash.
7171        * @hide
7172        */
7173       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7174
7175       /**
7176        * Ringer mode. This is used internally, changing this value will not
7177        * change the ringer mode. See AudioManager.
7178        */
7179       public static final String MODE_RINGER = "mode_ringer";
7180
7181       /**
7182        * Overlay display devices setting.
7183        * The associated value is a specially formatted string that describes the
7184        * size and density of simulated secondary display devices.
7185        * <p>
7186        * Format: {width}x{height}/{dpi};...
7187        * </p><p>
7188        * Example:
7189        * <ul>
7190        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7191        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7192        * at 1080p and the second at 720p.</li>
7193        * <li>If the value is empty, then no overlay display devices are created.</li>
7194        * </ul></p>
7195        *
7196        * @hide
7197        */
7198       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7199
7200        /**
7201         * Threshold values for the duration and level of a discharge cycle,
7202         * under which we log discharge cycle info.
7203         *
7204         * @hide
7205         */
7206        public static final String
7207                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7208
7209        /** @hide */
7210        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7211
7212        /**
7213         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7214         * intents on application crashes and ANRs. If this is disabled, the
7215         * crash/ANR dialog will never display the "Report" button.
7216         * <p>
7217         * Type: int (0 = disallow, 1 = allow)
7218         *
7219         * @hide
7220         */
7221        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7222
7223        /**
7224         * Maximum age of entries kept by {@link DropBoxManager}.
7225         *
7226         * @hide
7227         */
7228        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7229
7230        /**
7231         * Maximum number of entry files which {@link DropBoxManager} will keep
7232         * around.
7233         *
7234         * @hide
7235         */
7236        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7237
7238        /**
7239         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7240         * what.
7241         *
7242         * @hide
7243         */
7244        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7245
7246        /**
7247         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7248         * will use.
7249         *
7250         * @hide
7251         */
7252        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7253
7254        /**
7255         * Percent of total disk which {@link DropBoxManager} will never dip
7256         * into.
7257         *
7258         * @hide
7259         */
7260        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7261
7262        /**
7263         * Prefix for per-tag dropbox disable/enable settings.
7264         *
7265         * @hide
7266         */
7267        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7268
7269        /**
7270         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7271         * prefix of the dropbox tag of the report type. For example,
7272         * "logcat_for_system_server_anr" controls the lines of logcat captured
7273         * with system server ANR reports. 0 to disable.
7274         *
7275         * @hide
7276         */
7277        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7278
7279        /**
7280         * The interval in minutes after which the amount of free storage left
7281         * on the device is logged to the event log
7282         *
7283         * @hide
7284         */
7285        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7286
7287        /**
7288         * Threshold for the amount of change in disk free space required to
7289         * report the amount of free space. Used to prevent spamming the logs
7290         * when the disk free space isn't changing frequently.
7291         *
7292         * @hide
7293         */
7294        public static final String
7295                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7296
7297        /**
7298         * Minimum percentage of free storage on the device that is used to
7299         * determine if the device is running low on storage. The default is 10.
7300         * <p>
7301         * Say this value is set to 10, the device is considered running low on
7302         * storage if 90% or more of the device storage is filled up.
7303         *
7304         * @hide
7305         */
7306        public static final String
7307                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7308
7309        /**
7310         * Maximum byte size of the low storage threshold. This is to ensure
7311         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7312         * overly large threshold for large storage devices. Currently this must
7313         * be less than 2GB. This default is 500MB.
7314         *
7315         * @hide
7316         */
7317        public static final String
7318                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7319
7320        /**
7321         * Minimum bytes of free storage on the device before the data partition
7322         * is considered full. By default, 1 MB is reserved to avoid system-wide
7323         * SQLite disk full exceptions.
7324         *
7325         * @hide
7326         */
7327        public static final String
7328                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7329
7330        /**
7331         * The maximum reconnect delay for short network outages or when the
7332         * network is suspended due to phone use.
7333         *
7334         * @hide
7335         */
7336        public static final String
7337                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7338
7339        /**
7340         * The number of milliseconds to delay before sending out
7341         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7342         *
7343         * @hide
7344         */
7345        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7346
7347
7348        /**
7349         * Network sampling interval, in seconds. We'll generate link information
7350         * about bytes/packets sent and error rates based on data sampled in this interval
7351         *
7352         * @hide
7353         */
7354
7355        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7356                "connectivity_sampling_interval_in_seconds";
7357
7358        /**
7359         * The series of successively longer delays used in retrying to download PAC file.
7360         * Last delay is used between successful PAC downloads.
7361         *
7362         * @hide
7363         */
7364        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7365
7366        /**
7367         * Setting to turn off captive portal detection. Feature is enabled by
7368         * default and the setting needs to be set to 0 to disable it.
7369         *
7370         * @hide
7371         */
7372        public static final String
7373                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7374
7375        /**
7376         * The server used for captive portal detection upon a new conection. A
7377         * 204 response code from the server is used for validation.
7378         *
7379         * @hide
7380         */
7381        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7382
7383        /**
7384         * Whether network service discovery is enabled.
7385         *
7386         * @hide
7387         */
7388        public static final String NSD_ON = "nsd_on";
7389
7390        /**
7391         * Let user pick default install location.
7392         *
7393         * @hide
7394         */
7395        public static final String SET_INSTALL_LOCATION = "set_install_location";
7396
7397        /**
7398         * Default install location value.
7399         * 0 = auto, let system decide
7400         * 1 = internal
7401         * 2 = sdcard
7402         * @hide
7403         */
7404        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7405
7406        /**
7407         * ms during which to consume extra events related to Inet connection
7408         * condition after a transtion to fully-connected
7409         *
7410         * @hide
7411         */
7412        public static final String
7413                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7414
7415        /**
7416         * ms during which to consume extra events related to Inet connection
7417         * condtion after a transtion to partly-connected
7418         *
7419         * @hide
7420         */
7421        public static final String
7422                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7423
7424        /** {@hide} */
7425        public static final String
7426                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7427
7428        /**
7429         * Host name and port for global http proxy. Uses ':' seperator for
7430         * between host and port.
7431         */
7432        public static final String HTTP_PROXY = "http_proxy";
7433
7434        /**
7435         * Host name for global http proxy. Set via ConnectivityManager.
7436         *
7437         * @hide
7438         */
7439        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7440
7441        /**
7442         * Integer host port for global http proxy. Set via ConnectivityManager.
7443         *
7444         * @hide
7445         */
7446        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7447
7448        /**
7449         * Exclusion list for global proxy. This string contains a list of
7450         * comma-separated domains where the global proxy does not apply.
7451         * Domains should be listed in a comma- separated list. Example of
7452         * acceptable formats: ".domain1.com,my.domain2.com" Use
7453         * ConnectivityManager to set/get.
7454         *
7455         * @hide
7456         */
7457        public static final String
7458                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7459
7460        /**
7461         * The location PAC File for the proxy.
7462         * @hide
7463         */
7464        public static final String
7465                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7466
7467        /**
7468         * Enables the UI setting to allow the user to specify the global HTTP
7469         * proxy and associated exclusion list.
7470         *
7471         * @hide
7472         */
7473        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7474
7475        /**
7476         * Setting for default DNS in case nobody suggests one
7477         *
7478         * @hide
7479         */
7480        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7481
7482        /** {@hide} */
7483        public static final String
7484                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7485        /** {@hide} */
7486        public static final String
7487                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7488        /** {@hide} */
7489        public static final String
7490                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7491        /** {@hide} */
7492        public static final String
7493                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7494        /** {@hide} */
7495        public static final String
7496                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7497        /** {@hide} */
7498        public static final String
7499                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7500
7501        /**
7502         * Device Idle (Doze) specific settings.
7503         * This is encoded as a key=value list, separated by commas. Ex:
7504         *
7505         * "inactive_timeout=60000,sensing_timeout=400000"
7506         *
7507         * The following keys are supported:
7508         *
7509         * <pre>
7510         * inactive_to                      (long)
7511         * sensing_to                       (long)
7512         * motion_inactive_to               (long)
7513         * idle_after_inactive_to           (long)
7514         * idle_pending_to                  (long)
7515         * max_idle_pending_to              (long)
7516         * idle_pending_factor              (float)
7517         * idle_to                          (long)
7518         * max_idle_to                      (long)
7519         * idle_factor                      (float)
7520         * min_time_to_alarm                (long)
7521         * max_temp_app_whitelist_duration  (long)
7522         * </pre>
7523         *
7524         * <p>
7525         * Type: string
7526         * @hide
7527         * @see com.android.server.DeviceIdleController.Constants
7528         */
7529        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7530
7531        /**
7532         * App standby (app idle) specific settings.
7533         * This is encoded as a key=value list, separated by commas. Ex:
7534         *
7535         * "idle_duration=5000,parole_interval=4500"
7536         *
7537         * The following keys are supported:
7538         *
7539         * <pre>
7540         * idle_duration2       (long)
7541         * wallclock_threshold  (long)
7542         * parole_interval      (long)
7543         * parole_duration      (long)
7544         *
7545         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7546         * </pre>
7547         *
7548         * <p>
7549         * Type: string
7550         * @hide
7551         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7552         */
7553        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7554
7555        /**
7556         * Alarm manager specific settings.
7557         * This is encoded as a key=value list, separated by commas. Ex:
7558         *
7559         * "min_futurity=5000,allow_while_idle_short_time=4500"
7560         *
7561         * The following keys are supported:
7562         *
7563         * <pre>
7564         * min_futurity                         (long)
7565         * min_interval                         (long)
7566         * allow_while_idle_short_time          (long)
7567         * allow_while_idle_long_time           (long)
7568         * allow_while_idle_whitelist_duration  (long)
7569         * </pre>
7570         *
7571         * <p>
7572         * Type: string
7573         * @hide
7574         * @see com.android.server.AlarmManagerService.Constants
7575         */
7576        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7577
7578        /**
7579         * Get the key that retrieves a bluetooth headset's priority.
7580         * @hide
7581         */
7582        public static final String getBluetoothHeadsetPriorityKey(String address) {
7583            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7584        }
7585
7586        /**
7587         * Get the key that retrieves a bluetooth a2dp sink's priority.
7588         * @hide
7589         */
7590        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7591            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7592        }
7593
7594        /**
7595         * Get the key that retrieves a bluetooth a2dp src's priority.
7596         * @hide
7597         */
7598        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
7599            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7600        }
7601
7602        /**
7603         * Get the key that retrieves a bluetooth Input Device's priority.
7604         * @hide
7605         */
7606        public static final String getBluetoothInputDevicePriorityKey(String address) {
7607            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7608        }
7609
7610        /**
7611         * Get the key that retrieves a bluetooth map priority.
7612         * @hide
7613         */
7614        public static final String getBluetoothMapPriorityKey(String address) {
7615            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7616        }
7617
7618        /**
7619         * Get the key that retrieves a bluetooth map priority.
7620         * @hide
7621         */
7622        public static final String getBluetoothSapPriorityKey(String address) {
7623            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7624        }
7625
7626        /**
7627         * Scaling factor for normal window animations. Setting to 0 will
7628         * disable window animations.
7629         */
7630        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7631
7632        /**
7633         * Scaling factor for activity transition animations. Setting to 0 will
7634         * disable window animations.
7635         */
7636        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7637
7638        /**
7639         * Scaling factor for Animator-based animations. This affects both the
7640         * start delay and duration of all such animations. Setting to 0 will
7641         * cause animations to end immediately. The default value is 1.
7642         */
7643        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7644
7645        /**
7646         * Scaling factor for normal window animations. Setting to 0 will
7647         * disable window animations.
7648         *
7649         * @hide
7650         */
7651        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7652
7653        /**
7654         * If 0, the compatibility mode is off for all applications.
7655         * If 1, older applications run under compatibility mode.
7656         * TODO: remove this settings before code freeze (bug/1907571)
7657         * @hide
7658         */
7659        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7660
7661        /**
7662         * CDMA only settings
7663         * Emergency Tone  0 = Off
7664         *                 1 = Alert
7665         *                 2 = Vibrate
7666         * @hide
7667         */
7668        public static final String EMERGENCY_TONE = "emergency_tone";
7669
7670        /**
7671         * CDMA only settings
7672         * Whether the auto retry is enabled. The value is
7673         * boolean (1 or 0).
7674         * @hide
7675         */
7676        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7677
7678        /**
7679         * See RIL_PreferredNetworkType in ril.h
7680         * @hide
7681         */
7682        public static final String PREFERRED_NETWORK_MODE =
7683                "preferred_network_mode";
7684
7685        /**
7686         * Name of an application package to be debugged.
7687         */
7688        public static final String DEBUG_APP = "debug_app";
7689
7690        /**
7691         * If 1, when launching DEBUG_APP it will wait for the debugger before
7692         * starting user code.  If 0, it will run normally.
7693         */
7694        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7695
7696        /**
7697         * Control whether the process CPU usage meter should be shown.
7698         */
7699        public static final String SHOW_PROCESSES = "show_processes";
7700
7701        /**
7702         * If 1 low power mode is enabled.
7703         * @hide
7704         */
7705        public static final String LOW_POWER_MODE = "low_power";
7706
7707        /**
7708         * Battery level [1-99] at which low power mode automatically turns on.
7709         * If 0, it will not automatically turn on.
7710         * @hide
7711         */
7712        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7713
7714         /**
7715         * If 1, the activity manager will aggressively finish activities and
7716         * processes as soon as they are no longer needed.  If 0, the normal
7717         * extended lifetime is used.
7718         */
7719        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7720
7721        /**
7722         * Use Dock audio output for media:
7723         *      0 = disabled
7724         *      1 = enabled
7725         * @hide
7726         */
7727        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7728
7729        /**
7730         * Persisted safe headphone volume management state by AudioService
7731         * @hide
7732         */
7733        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7734
7735        /**
7736         * URL for tzinfo (time zone) updates
7737         * @hide
7738         */
7739        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7740
7741        /**
7742         * URL for tzinfo (time zone) update metadata
7743         * @hide
7744         */
7745        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7746
7747        /**
7748         * URL for selinux (mandatory access control) updates
7749         * @hide
7750         */
7751        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7752
7753        /**
7754         * URL for selinux (mandatory access control) update metadata
7755         * @hide
7756         */
7757        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7758
7759        /**
7760         * URL for sms short code updates
7761         * @hide
7762         */
7763        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7764                "sms_short_codes_content_url";
7765
7766        /**
7767         * URL for sms short code update metadata
7768         * @hide
7769         */
7770        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7771                "sms_short_codes_metadata_url";
7772
7773        /**
7774         * URL for apn_db updates
7775         * @hide
7776         */
7777        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7778
7779        /**
7780         * URL for apn_db update metadata
7781         * @hide
7782         */
7783        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7784
7785        /**
7786         * URL for cert pinlist updates
7787         * @hide
7788         */
7789        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7790
7791        /**
7792         * URL for cert pinlist updates
7793         * @hide
7794         */
7795        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7796
7797        /**
7798         * URL for intent firewall updates
7799         * @hide
7800         */
7801        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7802                "intent_firewall_content_url";
7803
7804        /**
7805         * URL for intent firewall update metadata
7806         * @hide
7807         */
7808        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7809                "intent_firewall_metadata_url";
7810
7811        /**
7812         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7813         * @hide
7814         */
7815        public static final String SELINUX_STATUS = "selinux_status";
7816
7817        /**
7818         * Developer setting to force RTL layout.
7819         * @hide
7820         */
7821        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7822
7823        /**
7824         * Milliseconds after screen-off after which low battery sounds will be silenced.
7825         *
7826         * If zero, battery sounds will always play.
7827         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7828         *
7829         * @hide
7830         */
7831        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7832
7833        /**
7834         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7835         * the caller is done with this, they should call {@link ContentResolver#delete} to
7836         * clean up any value that they may have written.
7837         *
7838         * @hide
7839         */
7840        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7841
7842        /**
7843         * Defines global runtime overrides to window policy.
7844         *
7845         * See {@link com.android.server.policy.PolicyControl} for value format.
7846         *
7847         * @hide
7848         */
7849        public static final String POLICY_CONTROL = "policy_control";
7850
7851        /**
7852         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7853         * or ZEN_MODE_NO_INTERRUPTIONS.
7854         *
7855         * @hide
7856         */
7857        public static final String ZEN_MODE = "zen_mode";
7858
7859        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7860        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7861        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7862        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7863
7864        /** @hide */ public static String zenModeToString(int mode) {
7865            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7866            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7867            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7868            return "ZEN_MODE_OFF";
7869        }
7870
7871        /** @hide */ public static boolean isValidZenMode(int value) {
7872            switch (value) {
7873                case Global.ZEN_MODE_OFF:
7874                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7875                case Global.ZEN_MODE_ALARMS:
7876                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7877                    return true;
7878                default:
7879                    return false;
7880            }
7881        }
7882
7883        /**
7884         * Value of the ringer before entering zen mode.
7885         *
7886         * @hide
7887         */
7888        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7889
7890        /**
7891         * Opaque value, changes when persisted zen mode configuration changes.
7892         *
7893         * @hide
7894         */
7895        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7896
7897        /**
7898         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7899         *
7900         * @hide
7901         */
7902        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7903                "heads_up_notifications_enabled";
7904
7905        /** @hide */ public static final int HEADS_UP_OFF = 0;
7906        /** @hide */ public static final int HEADS_UP_ON = 1;
7907
7908        /**
7909         * The name of the device
7910         *
7911         * @hide
7912         */
7913        public static final String DEVICE_NAME = "device_name";
7914
7915        /**
7916         * Whether the NetworkScoringService has been first initialized.
7917         * <p>
7918         * Type: int (0 for false, 1 for true)
7919         * @hide
7920         */
7921        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7922
7923        /**
7924         * Whether the user wants to be prompted for password to decrypt the device on boot.
7925         * This only matters if the storage is encrypted.
7926         * <p>
7927         * Type: int (0 for false, 1 for true)
7928         * @hide
7929         */
7930        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7931
7932        /**
7933         * Whether the Volte is enabled
7934         * <p>
7935         * Type: int (0 for false, 1 for true)
7936         * @hide
7937         */
7938        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7939
7940        /**
7941         * Whether VT (Video Telephony over IMS) is enabled
7942         * <p>
7943         * Type: int (0 for false, 1 for true)
7944         *
7945         * @hide
7946         */
7947        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7948
7949        /**
7950         * Whether WFC is enabled
7951         * <p>
7952         * Type: int (0 for false, 1 for true)
7953         *
7954         * @hide
7955         */
7956        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7957
7958        /**
7959         * WFC Mode.
7960         * <p>
7961         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7962         *
7963         * @hide
7964         */
7965        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7966
7967        /**
7968         * Whether WFC roaming is enabled
7969         * <p>
7970         * Type: int (0 for false, 1 for true)
7971         *
7972         * @hide
7973         */
7974        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7975
7976        /**
7977         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7978         * this via gservices, OMA-DM, carrier app, etc.
7979         * <p>
7980         * Type: int (0 for false, 1 for true)
7981         * @hide
7982         */
7983        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7984
7985        /**
7986         * Ephemeral app cookie max size in bytes.
7987         * <p>
7988         * Type: int
7989         * @hide
7990         */
7991        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
7992                "ephemeral_cookie_max_size_bytes";
7993
7994        /**
7995         * The duration for caching uninstalled ephemeral apps.
7996         * <p>
7997         * Type: long
7998         * @hide
7999         */
8000        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8001                "uninstalled_ephemeral_app_cache_duration_millis";
8002
8003        /**
8004         * Settings to backup. This is here so that it's in the same place as the settings
8005         * keys and easy to update.
8006         *
8007         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8008         * and Secure as well.  This is because those tables drive both backup and
8009         * restore, and restore needs to properly whitelist keys that used to live
8010         * in those namespaces.  The keys will only actually be backed up / restored
8011         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8012         *
8013         * NOTE: Settings are backed up and restored in the order they appear
8014         *       in this array. If you have one setting depending on another,
8015         *       make sure that they are ordered appropriately.
8016         *
8017         * @hide
8018         */
8019        public static final String[] SETTINGS_TO_BACKUP = {
8020            BUGREPORT_IN_POWER_MENU,
8021            STAY_ON_WHILE_PLUGGED_IN,
8022            AUTO_TIME,
8023            AUTO_TIME_ZONE,
8024            POWER_SOUNDS_ENABLED,
8025            DOCK_SOUNDS_ENABLED,
8026            CHARGING_SOUNDS_ENABLED,
8027            USB_MASS_STORAGE_ENABLED,
8028            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8029            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8030            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8031            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8032            WIFI_NUM_OPEN_NETWORKS_KEPT,
8033            EMERGENCY_TONE,
8034            CALL_AUTO_RETRY,
8035            DOCK_AUDIO_MEDIA_ENABLED,
8036            LOW_POWER_MODE_TRIGGER_LEVEL
8037        };
8038
8039        // Populated lazily, guarded by class object:
8040        private static NameValueCache sNameValueCache = new NameValueCache(
8041                    SYS_PROP_SETTING_VERSION,
8042                    CONTENT_URI,
8043                    CALL_METHOD_GET_GLOBAL,
8044                    CALL_METHOD_PUT_GLOBAL);
8045
8046        // Certain settings have been moved from global to the per-user secure namespace
8047        private static final HashSet<String> MOVED_TO_SECURE;
8048        static {
8049            MOVED_TO_SECURE = new HashSet<String>(1);
8050            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8051        }
8052
8053        /** @hide */
8054        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8055            outKeySet.addAll(MOVED_TO_SECURE);
8056        }
8057
8058        /**
8059         * Look up a name in the database.
8060         * @param resolver to access the database with
8061         * @param name to look up in the table
8062         * @return the corresponding value, or null if not present
8063         */
8064        public static String getString(ContentResolver resolver, String name) {
8065            return getStringForUser(resolver, name, UserHandle.myUserId());
8066        }
8067
8068        /** @hide */
8069        public static String getStringForUser(ContentResolver resolver, String name,
8070                int userHandle) {
8071            if (MOVED_TO_SECURE.contains(name)) {
8072                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8073                        + " to android.provider.Settings.Secure, returning read-only value.");
8074                return Secure.getStringForUser(resolver, name, userHandle);
8075            }
8076            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8077        }
8078
8079        /**
8080         * Store a name/value pair into the database.
8081         * @param resolver to access the database with
8082         * @param name to store
8083         * @param value to associate with the name
8084         * @return true if the value was set, false on database errors
8085         */
8086        public static boolean putString(ContentResolver resolver,
8087                String name, String value) {
8088            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8089        }
8090
8091        /** @hide */
8092        public static boolean putStringForUser(ContentResolver resolver,
8093                String name, String value, int userHandle) {
8094            if (LOCAL_LOGV) {
8095                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8096                        + " for " + userHandle);
8097            }
8098            // Global and Secure have the same access policy so we can forward writes
8099            if (MOVED_TO_SECURE.contains(name)) {
8100                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8101                        + " to android.provider.Settings.Secure, value is unchanged.");
8102                return Secure.putStringForUser(resolver, name, value, userHandle);
8103            }
8104            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8105        }
8106
8107        /**
8108         * Construct the content URI for a particular name/value pair,
8109         * useful for monitoring changes with a ContentObserver.
8110         * @param name to look up in the table
8111         * @return the corresponding content URI, or null if not present
8112         */
8113        public static Uri getUriFor(String name) {
8114            return getUriFor(CONTENT_URI, name);
8115        }
8116
8117        /**
8118         * Convenience function for retrieving a single secure settings value
8119         * as an integer.  Note that internally setting values are always
8120         * stored as strings; this function converts the string to an integer
8121         * for you.  The default value will be returned if the setting is
8122         * not defined or not an integer.
8123         *
8124         * @param cr The ContentResolver to access.
8125         * @param name The name of the setting to retrieve.
8126         * @param def Value to return if the setting is not defined.
8127         *
8128         * @return The setting's current value, or 'def' if it is not defined
8129         * or not a valid integer.
8130         */
8131        public static int getInt(ContentResolver cr, String name, int def) {
8132            String v = getString(cr, name);
8133            try {
8134                return v != null ? Integer.parseInt(v) : def;
8135            } catch (NumberFormatException e) {
8136                return def;
8137            }
8138        }
8139
8140        /**
8141         * Convenience function for retrieving a single secure settings value
8142         * as an integer.  Note that internally setting values are always
8143         * stored as strings; this function converts the string to an integer
8144         * for you.
8145         * <p>
8146         * This version does not take a default value.  If the setting has not
8147         * been set, or the string value is not a number,
8148         * it throws {@link SettingNotFoundException}.
8149         *
8150         * @param cr The ContentResolver to access.
8151         * @param name The name of the setting to retrieve.
8152         *
8153         * @throws SettingNotFoundException Thrown if a setting by the given
8154         * name can't be found or the setting value is not an integer.
8155         *
8156         * @return The setting's current value.
8157         */
8158        public static int getInt(ContentResolver cr, String name)
8159                throws SettingNotFoundException {
8160            String v = getString(cr, name);
8161            try {
8162                return Integer.parseInt(v);
8163            } catch (NumberFormatException e) {
8164                throw new SettingNotFoundException(name);
8165            }
8166        }
8167
8168        /**
8169         * Convenience function for updating a single settings value as an
8170         * integer. This will either create a new entry in the table if the
8171         * given name does not exist, or modify the value of the existing row
8172         * with that name.  Note that internally setting values are always
8173         * stored as strings, so this function converts the given value to a
8174         * string before storing it.
8175         *
8176         * @param cr The ContentResolver to access.
8177         * @param name The name of the setting to modify.
8178         * @param value The new value for the setting.
8179         * @return true if the value was set, false on database errors
8180         */
8181        public static boolean putInt(ContentResolver cr, String name, int value) {
8182            return putString(cr, name, Integer.toString(value));
8183        }
8184
8185        /**
8186         * Convenience function for retrieving a single secure settings value
8187         * as a {@code long}.  Note that internally setting values are always
8188         * stored as strings; this function converts the string to a {@code long}
8189         * for you.  The default value will be returned if the setting is
8190         * not defined or not a {@code long}.
8191         *
8192         * @param cr The ContentResolver to access.
8193         * @param name The name of the setting to retrieve.
8194         * @param def Value to return if the setting is not defined.
8195         *
8196         * @return The setting's current value, or 'def' if it is not defined
8197         * or not a valid {@code long}.
8198         */
8199        public static long getLong(ContentResolver cr, String name, long def) {
8200            String valString = getString(cr, name);
8201            long value;
8202            try {
8203                value = valString != null ? Long.parseLong(valString) : def;
8204            } catch (NumberFormatException e) {
8205                value = def;
8206            }
8207            return value;
8208        }
8209
8210        /**
8211         * Convenience function for retrieving a single secure settings value
8212         * as a {@code long}.  Note that internally setting values are always
8213         * stored as strings; this function converts the string to a {@code long}
8214         * for you.
8215         * <p>
8216         * This version does not take a default value.  If the setting has not
8217         * been set, or the string value is not a number,
8218         * it throws {@link SettingNotFoundException}.
8219         *
8220         * @param cr The ContentResolver to access.
8221         * @param name The name of the setting to retrieve.
8222         *
8223         * @return The setting's current value.
8224         * @throws SettingNotFoundException Thrown if a setting by the given
8225         * name can't be found or the setting value is not an integer.
8226         */
8227        public static long getLong(ContentResolver cr, String name)
8228                throws SettingNotFoundException {
8229            String valString = getString(cr, name);
8230            try {
8231                return Long.parseLong(valString);
8232            } catch (NumberFormatException e) {
8233                throw new SettingNotFoundException(name);
8234            }
8235        }
8236
8237        /**
8238         * Convenience function for updating a secure settings value as a long
8239         * integer. This will either create a new entry in the table if the
8240         * given name does not exist, or modify the value of the existing row
8241         * with that name.  Note that internally setting values are always
8242         * stored as strings, so this function converts the given value to a
8243         * string before storing it.
8244         *
8245         * @param cr The ContentResolver to access.
8246         * @param name The name of the setting to modify.
8247         * @param value The new value for the setting.
8248         * @return true if the value was set, false on database errors
8249         */
8250        public static boolean putLong(ContentResolver cr, String name, long value) {
8251            return putString(cr, name, Long.toString(value));
8252        }
8253
8254        /**
8255         * Convenience function for retrieving a single secure settings value
8256         * as a floating point number.  Note that internally setting values are
8257         * always stored as strings; this function converts the string to an
8258         * float for you. The default value will be returned if the setting
8259         * is not defined or not a valid float.
8260         *
8261         * @param cr The ContentResolver to access.
8262         * @param name The name of the setting to retrieve.
8263         * @param def Value to return if the setting is not defined.
8264         *
8265         * @return The setting's current value, or 'def' if it is not defined
8266         * or not a valid float.
8267         */
8268        public static float getFloat(ContentResolver cr, String name, float def) {
8269            String v = getString(cr, name);
8270            try {
8271                return v != null ? Float.parseFloat(v) : def;
8272            } catch (NumberFormatException e) {
8273                return def;
8274            }
8275        }
8276
8277        /**
8278         * Convenience function for retrieving a single secure settings value
8279         * as a float.  Note that internally setting values are always
8280         * stored as strings; this function converts the string to a float
8281         * for you.
8282         * <p>
8283         * This version does not take a default value.  If the setting has not
8284         * been set, or the string value is not a number,
8285         * it throws {@link SettingNotFoundException}.
8286         *
8287         * @param cr The ContentResolver to access.
8288         * @param name The name of the setting to retrieve.
8289         *
8290         * @throws SettingNotFoundException Thrown if a setting by the given
8291         * name can't be found or the setting value is not a float.
8292         *
8293         * @return The setting's current value.
8294         */
8295        public static float getFloat(ContentResolver cr, String name)
8296                throws SettingNotFoundException {
8297            String v = getString(cr, name);
8298            if (v == null) {
8299                throw new SettingNotFoundException(name);
8300            }
8301            try {
8302                return Float.parseFloat(v);
8303            } catch (NumberFormatException e) {
8304                throw new SettingNotFoundException(name);
8305            }
8306        }
8307
8308        /**
8309         * Convenience function for updating a single settings value as a
8310         * floating point number. This will either create a new entry in the
8311         * table if the given name does not exist, or modify the value of the
8312         * existing row with that name.  Note that internally setting values
8313         * are always stored as strings, so this function converts the given
8314         * value to a string before storing it.
8315         *
8316         * @param cr The ContentResolver to access.
8317         * @param name The name of the setting to modify.
8318         * @param value The new value for the setting.
8319         * @return true if the value was set, false on database errors
8320         */
8321        public static boolean putFloat(ContentResolver cr, String name, float value) {
8322            return putString(cr, name, Float.toString(value));
8323        }
8324
8325
8326        /**
8327          * Subscription to be used for voice call on a multi sim device. The supported values
8328          * are 0 = SUB1, 1 = SUB2 and etc.
8329          * @hide
8330          */
8331        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8332
8333        /**
8334          * Used to provide option to user to select subscription during dial.
8335          * The supported values are 0 = disable or 1 = enable prompt.
8336          * @hide
8337          */
8338        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8339
8340        /**
8341          * Subscription to be used for data call on a multi sim device. The supported values
8342          * are 0 = SUB1, 1 = SUB2 and etc.
8343          * @hide
8344          */
8345        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8346
8347        /**
8348          * Subscription to be used for SMS on a multi sim device. The supported values
8349          * are 0 = SUB1, 1 = SUB2 and etc.
8350          * @hide
8351          */
8352        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8353
8354       /**
8355          * Used to provide option to user to select subscription during send SMS.
8356          * The value 1 - enable, 0 - disable
8357          * @hide
8358          */
8359        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8360
8361
8362
8363        /** User preferred subscriptions setting.
8364          * This holds the details of the user selected subscription from the card and
8365          * the activation status. Each settings string have the coma separated values
8366          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8367          * @hide
8368         */
8369        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8370                "user_preferred_sub2","user_preferred_sub3"};
8371
8372        /**
8373         * Whether to enable new contacts aggregator or not.
8374         * The value 1 - enable, 0 - disable
8375         * @hide
8376         */
8377        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8378
8379        /**
8380         * Whether to enable contacts metadata syncing or not
8381         * The value 1 - enable, 0 - disable
8382         */
8383        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8384
8385        /**
8386         * Whether to enable cellular on boot.
8387         * The value 1 - enable, 0 - disable
8388         * @hide
8389         */
8390        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8391    }
8392
8393    /**
8394     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8395     * Intent URL, allowing it to be either a web page or a particular
8396     * application activity.
8397     *
8398     * @hide
8399     */
8400    public static final class Bookmarks implements BaseColumns
8401    {
8402        private static final String TAG = "Bookmarks";
8403
8404        /**
8405         * The content:// style URL for this table
8406         */
8407        public static final Uri CONTENT_URI =
8408            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8409
8410        /**
8411         * The row ID.
8412         * <p>Type: INTEGER</p>
8413         */
8414        public static final String ID = "_id";
8415
8416        /**
8417         * Descriptive name of the bookmark that can be displayed to the user.
8418         * If this is empty, the title should be resolved at display time (use
8419         * {@link #getTitle(Context, Cursor)} any time you want to display the
8420         * title of a bookmark.)
8421         * <P>
8422         * Type: TEXT
8423         * </P>
8424         */
8425        public static final String TITLE = "title";
8426
8427        /**
8428         * Arbitrary string (displayed to the user) that allows bookmarks to be
8429         * organized into categories.  There are some special names for
8430         * standard folders, which all start with '@'.  The label displayed for
8431         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8432         * the folder name does not change so you can consistently query for
8433         * the folder regardless of the current locale.
8434         *
8435         * <P>Type: TEXT</P>
8436         *
8437         */
8438        public static final String FOLDER = "folder";
8439
8440        /**
8441         * The Intent URL of the bookmark, describing what it points to.  This
8442         * value is given to {@link android.content.Intent#getIntent} to create
8443         * an Intent that can be launched.
8444         * <P>Type: TEXT</P>
8445         */
8446        public static final String INTENT = "intent";
8447
8448        /**
8449         * Optional shortcut character associated with this bookmark.
8450         * <P>Type: INTEGER</P>
8451         */
8452        public static final String SHORTCUT = "shortcut";
8453
8454        /**
8455         * The order in which the bookmark should be displayed
8456         * <P>Type: INTEGER</P>
8457         */
8458        public static final String ORDERING = "ordering";
8459
8460        private static final String[] sIntentProjection = { INTENT };
8461        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8462        private static final String sShortcutSelection = SHORTCUT + "=?";
8463
8464        /**
8465         * Convenience function to retrieve the bookmarked Intent for a
8466         * particular shortcut key.
8467         *
8468         * @param cr The ContentResolver to query.
8469         * @param shortcut The shortcut key.
8470         *
8471         * @return Intent The bookmarked URL, or null if there is no bookmark
8472         *         matching the given shortcut.
8473         */
8474        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8475        {
8476            Intent intent = null;
8477
8478            Cursor c = cr.query(CONTENT_URI,
8479                    sIntentProjection, sShortcutSelection,
8480                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8481            // Keep trying until we find a valid shortcut
8482            try {
8483                while (intent == null && c.moveToNext()) {
8484                    try {
8485                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8486                        intent = Intent.parseUri(intentURI, 0);
8487                    } catch (java.net.URISyntaxException e) {
8488                        // The stored URL is bad...  ignore it.
8489                    } catch (IllegalArgumentException e) {
8490                        // Column not found
8491                        Log.w(TAG, "Intent column not found", e);
8492                    }
8493                }
8494            } finally {
8495                if (c != null) c.close();
8496            }
8497
8498            return intent;
8499        }
8500
8501        /**
8502         * Add a new bookmark to the system.
8503         *
8504         * @param cr The ContentResolver to query.
8505         * @param intent The desired target of the bookmark.
8506         * @param title Bookmark title that is shown to the user; null if none
8507         *            or it should be resolved to the intent's title.
8508         * @param folder Folder in which to place the bookmark; null if none.
8509         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8510         *            this is non-zero and there is an existing bookmark entry
8511         *            with this same shortcut, then that existing shortcut is
8512         *            cleared (the bookmark is not removed).
8513         * @return The unique content URL for the new bookmark entry.
8514         */
8515        public static Uri add(ContentResolver cr,
8516                                           Intent intent,
8517                                           String title,
8518                                           String folder,
8519                                           char shortcut,
8520                                           int ordering)
8521        {
8522            // If a shortcut is supplied, and it is already defined for
8523            // another bookmark, then remove the old definition.
8524            if (shortcut != 0) {
8525                cr.delete(CONTENT_URI, sShortcutSelection,
8526                        new String[] { String.valueOf((int) shortcut) });
8527            }
8528
8529            ContentValues values = new ContentValues();
8530            if (title != null) values.put(TITLE, title);
8531            if (folder != null) values.put(FOLDER, folder);
8532            values.put(INTENT, intent.toUri(0));
8533            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8534            values.put(ORDERING, ordering);
8535            return cr.insert(CONTENT_URI, values);
8536        }
8537
8538        /**
8539         * Return the folder name as it should be displayed to the user.  This
8540         * takes care of localizing special folders.
8541         *
8542         * @param r Resources object for current locale; only need access to
8543         *          system resources.
8544         * @param folder The value found in the {@link #FOLDER} column.
8545         *
8546         * @return CharSequence The label for this folder that should be shown
8547         *         to the user.
8548         */
8549        public static CharSequence getLabelForFolder(Resources r, String folder) {
8550            return folder;
8551        }
8552
8553        /**
8554         * Return the title as it should be displayed to the user. This takes
8555         * care of localizing bookmarks that point to activities.
8556         *
8557         * @param context A context.
8558         * @param cursor A cursor pointing to the row whose title should be
8559         *        returned. The cursor must contain at least the {@link #TITLE}
8560         *        and {@link #INTENT} columns.
8561         * @return A title that is localized and can be displayed to the user,
8562         *         or the empty string if one could not be found.
8563         */
8564        public static CharSequence getTitle(Context context, Cursor cursor) {
8565            int titleColumn = cursor.getColumnIndex(TITLE);
8566            int intentColumn = cursor.getColumnIndex(INTENT);
8567            if (titleColumn == -1 || intentColumn == -1) {
8568                throw new IllegalArgumentException(
8569                        "The cursor must contain the TITLE and INTENT columns.");
8570            }
8571
8572            String title = cursor.getString(titleColumn);
8573            if (!TextUtils.isEmpty(title)) {
8574                return title;
8575            }
8576
8577            String intentUri = cursor.getString(intentColumn);
8578            if (TextUtils.isEmpty(intentUri)) {
8579                return "";
8580            }
8581
8582            Intent intent;
8583            try {
8584                intent = Intent.parseUri(intentUri, 0);
8585            } catch (URISyntaxException e) {
8586                return "";
8587            }
8588
8589            PackageManager packageManager = context.getPackageManager();
8590            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8591            return info != null ? info.loadLabel(packageManager) : "";
8592        }
8593    }
8594
8595    /**
8596     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8597     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8598     * from the GoogleLoginService.
8599     *
8600     * @param androidId The Android ID for this device.
8601     * @return The device ID that should be used when connecting to the mobile gtalk server.
8602     * @hide
8603     */
8604    public static String getGTalkDeviceId(long androidId) {
8605        return "android-" + Long.toHexString(androidId);
8606    }
8607
8608    private static final String[] PM_WRITE_SETTINGS = {
8609        android.Manifest.permission.WRITE_SETTINGS
8610    };
8611    private static final String[] PM_CHANGE_NETWORK_STATE = {
8612        android.Manifest.permission.CHANGE_NETWORK_STATE,
8613        android.Manifest.permission.WRITE_SETTINGS
8614    };
8615    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8616        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8617    };
8618
8619    /**
8620     * Performs a strict and comprehensive check of whether a calling package is allowed to
8621     * write/modify system settings, as the condition differs for pre-M, M+, and
8622     * privileged/preinstalled apps. If the provided uid does not match the
8623     * callingPackage, a negative result will be returned.
8624     * @hide
8625     */
8626    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8627            String callingPackage, boolean throwException) {
8628        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8629                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8630                PM_WRITE_SETTINGS, false);
8631    }
8632
8633    /**
8634     * Performs a strict and comprehensive check of whether a calling package is allowed to
8635     * write/modify system settings, as the condition differs for pre-M, M+, and
8636     * privileged/preinstalled apps. If the provided uid does not match the
8637     * callingPackage, a negative result will be returned. The caller is expected to have
8638     * the WRITE_SETTINGS permission declared.
8639     *
8640     * Note: if the check is successful, the operation of this app will be updated to the
8641     * current time.
8642     * @hide
8643     */
8644    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8645            String callingPackage, boolean throwException) {
8646        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8647                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8648                PM_WRITE_SETTINGS, true);
8649    }
8650
8651    /**
8652     * Performs a strict and comprehensive check of whether a calling package is allowed to
8653     * change the state of network, as the condition differs for pre-M, M+, and
8654     * privileged/preinstalled apps. The caller is expected to have either the
8655     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8656     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8657     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8658     * permission and cannot be revoked. See http://b/23597341
8659     *
8660     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8661     * of this app will be updated to the current time.
8662     * @hide
8663     */
8664    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8665            String callingPackage, boolean throwException) {
8666        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8667                == PackageManager.PERMISSION_GRANTED) {
8668            return true;
8669        }
8670        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8671                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8672                PM_CHANGE_NETWORK_STATE, true);
8673    }
8674
8675    /**
8676     * Performs a strict and comprehensive check of whether a calling package is allowed to
8677     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8678     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8679     * a negative result will be returned.
8680     * @hide
8681     */
8682    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8683            String callingPackage, boolean throwException) {
8684        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8685                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8686                PM_SYSTEM_ALERT_WINDOW, false);
8687    }
8688
8689    /**
8690     * Performs a strict and comprehensive check of whether a calling package is allowed to
8691     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8692     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8693     * a negative result will be returned.
8694     *
8695     * Note: if the check is successful, the operation of this app will be updated to the
8696     * current time.
8697     * @hide
8698     */
8699    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8700            callingPackage, boolean throwException) {
8701        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8702                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8703                PM_SYSTEM_ALERT_WINDOW, true);
8704    }
8705
8706    /**
8707     * Helper method to perform a general and comprehensive check of whether an operation that is
8708     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8709     * OP_WRITE_SETTINGS
8710     * @hide
8711     */
8712    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8713            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8714            permissions, boolean makeNote) {
8715        if (callingPackage == null) {
8716            return false;
8717        }
8718
8719        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8720        int mode = AppOpsManager.MODE_DEFAULT;
8721        if (makeNote) {
8722            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8723        } else {
8724            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8725        }
8726
8727        switch (mode) {
8728            case AppOpsManager.MODE_ALLOWED:
8729                return true;
8730
8731            case AppOpsManager.MODE_DEFAULT:
8732                // this is the default operating mode after an app's installation
8733                // In this case we will check all associated static permission to see
8734                // if it is granted during install time.
8735                for (String permission : permissions) {
8736                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8737                            .PERMISSION_GRANTED) {
8738                        // if either of the permissions are granted, we will allow it
8739                        return true;
8740                    }
8741                }
8742
8743            default:
8744                // this is for all other cases trickled down here...
8745                if (!throwException) {
8746                    return false;
8747                }
8748        }
8749
8750        // prepare string to throw SecurityException
8751        StringBuilder exceptionMessage = new StringBuilder();
8752        exceptionMessage.append(callingPackage);
8753        exceptionMessage.append(" was not granted ");
8754        if (permissions.length > 1) {
8755            exceptionMessage.append(" either of these permissions: ");
8756        } else {
8757            exceptionMessage.append(" this permission: ");
8758        }
8759        for (int i = 0; i < permissions.length; i++) {
8760            exceptionMessage.append(permissions[i]);
8761            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8762        }
8763
8764        throw new SecurityException(exceptionMessage.toString());
8765    }
8766
8767    /**
8768     * Retrieves a correponding package name for a given uid. It will query all
8769     * packages that are associated with the given uid, but it will return only
8770     * the zeroth result.
8771     * Note: If package could not be found, a null is returned.
8772     * @hide
8773     */
8774    public static String getPackageNameForUid(Context context, int uid) {
8775        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8776        if (packages == null) {
8777            return null;
8778        }
8779        return packages[0];
8780    }
8781}
8782