Settings.java revision 6b6c5a2035da51a22226051f1a287ac77b29899e
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_DENSITY_FORCED);
3855            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3856            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3857            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3858            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3859            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3860            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3861            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3862            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3863            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3864            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3865            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3866            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3867            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3868            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3869            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3870            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3871            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3872            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3873            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3874            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3875            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3876            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3877            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3878            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3879            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3880            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3881            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3882            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3883            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3884            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3885            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3886            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3887            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3888            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3889            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3890            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3891            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3892            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3893            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3894            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3895            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3896            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3897            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3898            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3899            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3900            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3901            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3902            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3903            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3904            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3905            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3906            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3907            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3908            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3909            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3910            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3911            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3912            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3913            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3914            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3915            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3916            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3917            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3918            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3919            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3920            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3921            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3922            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3923            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3924            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3925            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3926            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3927            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3928            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3929            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3930            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3931            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3932            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3933            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3934            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3935            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3936            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3937            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3938            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3939            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3940            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3941            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3942            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3943            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3944            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3945            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3946            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3947            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3948            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3949            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3950            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3951            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3952            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3953            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3954        }
3955
3956        /** @hide */
3957        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3958            outKeySet.addAll(MOVED_TO_GLOBAL);
3959        }
3960
3961        /**
3962         * Look up a name in the database.
3963         * @param resolver to access the database with
3964         * @param name to look up in the table
3965         * @return the corresponding value, or null if not present
3966         */
3967        public static String getString(ContentResolver resolver, String name) {
3968            return getStringForUser(resolver, name, UserHandle.myUserId());
3969        }
3970
3971        /** @hide */
3972        public static String getStringForUser(ContentResolver resolver, String name,
3973                int userHandle) {
3974            if (MOVED_TO_GLOBAL.contains(name)) {
3975                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3976                        + " to android.provider.Settings.Global.");
3977                return Global.getStringForUser(resolver, name, userHandle);
3978            }
3979
3980            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3981                synchronized (Secure.class) {
3982                    if (sLockSettings == null) {
3983                        sLockSettings = ILockSettings.Stub.asInterface(
3984                                (IBinder) ServiceManager.getService("lock_settings"));
3985                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3986                    }
3987                }
3988                if (sLockSettings != null && !sIsSystemProcess) {
3989                    // No context; use the ActivityThread's context as an approximation for
3990                    // determining the target API level.
3991                    Application application = ActivityThread.currentApplication();
3992
3993                    boolean isPreMnc = application != null
3994                            && application.getApplicationInfo() != null
3995                            && application.getApplicationInfo().targetSdkVersion
3996                            <= VERSION_CODES.LOLLIPOP_MR1;
3997                    if (isPreMnc) {
3998                        try {
3999                            return sLockSettings.getString(name, "0", userHandle);
4000                        } catch (RemoteException re) {
4001                            // Fall through
4002                        }
4003                    } else {
4004                        throw new SecurityException("Settings.Secure." + name
4005                                + " is deprecated and no longer accessible."
4006                                + " See API documentation for potential replacements.");
4007                    }
4008                }
4009            }
4010
4011            return sNameValueCache.getStringForUser(resolver, name, userHandle);
4012        }
4013
4014        /**
4015         * Store a name/value pair into the database.
4016         * @param resolver to access the database with
4017         * @param name to store
4018         * @param value to associate with the name
4019         * @return true if the value was set, false on database errors
4020         */
4021        public static boolean putString(ContentResolver resolver, String name, String value) {
4022            return putStringForUser(resolver, name, value, UserHandle.myUserId());
4023        }
4024
4025        /** @hide */
4026        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
4027                int userHandle) {
4028            if (LOCATION_MODE.equals(name)) {
4029                // HACK ALERT: temporary hack to work around b/10491283.
4030                // TODO: once b/10491283 fixed, remove this hack
4031                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
4032            }
4033            if (MOVED_TO_GLOBAL.contains(name)) {
4034                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
4035                        + " to android.provider.Settings.Global");
4036                return Global.putStringForUser(resolver, name, value, userHandle);
4037            }
4038            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
4039        }
4040
4041        /**
4042         * Construct the content URI for a particular name/value pair,
4043         * useful for monitoring changes with a ContentObserver.
4044         * @param name to look up in the table
4045         * @return the corresponding content URI, or null if not present
4046         */
4047        public static Uri getUriFor(String name) {
4048            if (MOVED_TO_GLOBAL.contains(name)) {
4049                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
4050                        + " to android.provider.Settings.Global, returning global URI.");
4051                return Global.getUriFor(Global.CONTENT_URI, name);
4052            }
4053            return getUriFor(CONTENT_URI, name);
4054        }
4055
4056        /**
4057         * Convenience function for retrieving a single secure settings value
4058         * as an integer.  Note that internally setting values are always
4059         * stored as strings; this function converts the string to an integer
4060         * for you.  The default value will be returned if the setting is
4061         * not defined or not an integer.
4062         *
4063         * @param cr The ContentResolver to access.
4064         * @param name The name of the setting to retrieve.
4065         * @param def Value to return if the setting is not defined.
4066         *
4067         * @return The setting's current value, or 'def' if it is not defined
4068         * or not a valid integer.
4069         */
4070        public static int getInt(ContentResolver cr, String name, int def) {
4071            return getIntForUser(cr, name, def, UserHandle.myUserId());
4072        }
4073
4074        /** @hide */
4075        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
4076            if (LOCATION_MODE.equals(name)) {
4077                // HACK ALERT: temporary hack to work around b/10491283.
4078                // TODO: once b/10491283 fixed, remove this hack
4079                return getLocationModeForUser(cr, userHandle);
4080            }
4081            String v = getStringForUser(cr, name, userHandle);
4082            try {
4083                return v != null ? Integer.parseInt(v) : def;
4084            } catch (NumberFormatException e) {
4085                return def;
4086            }
4087        }
4088
4089        /**
4090         * Convenience function for retrieving a single secure settings value
4091         * as an integer.  Note that internally setting values are always
4092         * stored as strings; this function converts the string to an integer
4093         * for you.
4094         * <p>
4095         * This version does not take a default value.  If the setting has not
4096         * been set, or the string value is not a number,
4097         * it throws {@link SettingNotFoundException}.
4098         *
4099         * @param cr The ContentResolver to access.
4100         * @param name The name of the setting to retrieve.
4101         *
4102         * @throws SettingNotFoundException Thrown if a setting by the given
4103         * name can't be found or the setting value is not an integer.
4104         *
4105         * @return The setting's current value.
4106         */
4107        public static int getInt(ContentResolver cr, String name)
4108                throws SettingNotFoundException {
4109            return getIntForUser(cr, name, UserHandle.myUserId());
4110        }
4111
4112        /** @hide */
4113        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
4114                throws SettingNotFoundException {
4115            if (LOCATION_MODE.equals(name)) {
4116                // HACK ALERT: temporary hack to work around b/10491283.
4117                // TODO: once b/10491283 fixed, remove this hack
4118                return getLocationModeForUser(cr, userHandle);
4119            }
4120            String v = getStringForUser(cr, name, userHandle);
4121            try {
4122                return Integer.parseInt(v);
4123            } catch (NumberFormatException e) {
4124                throw new SettingNotFoundException(name);
4125            }
4126        }
4127
4128        /**
4129         * Convenience function for updating a single settings value as an
4130         * integer. This will either create a new entry in the table if the
4131         * given name does not exist, or modify the value of the existing row
4132         * with that name.  Note that internally setting values are always
4133         * stored as strings, so this function converts the given value to a
4134         * string before storing it.
4135         *
4136         * @param cr The ContentResolver to access.
4137         * @param name The name of the setting to modify.
4138         * @param value The new value for the setting.
4139         * @return true if the value was set, false on database errors
4140         */
4141        public static boolean putInt(ContentResolver cr, String name, int value) {
4142            return putIntForUser(cr, name, value, UserHandle.myUserId());
4143        }
4144
4145        /** @hide */
4146        public static boolean putIntForUser(ContentResolver cr, String name, int value,
4147                int userHandle) {
4148            return putStringForUser(cr, name, Integer.toString(value), userHandle);
4149        }
4150
4151        /**
4152         * Convenience function for retrieving a single secure settings value
4153         * as a {@code long}.  Note that internally setting values are always
4154         * stored as strings; this function converts the string to a {@code long}
4155         * for you.  The default value will be returned if the setting is
4156         * not defined or not a {@code long}.
4157         *
4158         * @param cr The ContentResolver to access.
4159         * @param name The name of the setting to retrieve.
4160         * @param def Value to return if the setting is not defined.
4161         *
4162         * @return The setting's current value, or 'def' if it is not defined
4163         * or not a valid {@code long}.
4164         */
4165        public static long getLong(ContentResolver cr, String name, long def) {
4166            return getLongForUser(cr, name, def, UserHandle.myUserId());
4167        }
4168
4169        /** @hide */
4170        public static long getLongForUser(ContentResolver cr, String name, long def,
4171                int userHandle) {
4172            String valString = getStringForUser(cr, name, userHandle);
4173            long value;
4174            try {
4175                value = valString != null ? Long.parseLong(valString) : def;
4176            } catch (NumberFormatException e) {
4177                value = def;
4178            }
4179            return value;
4180        }
4181
4182        /**
4183         * Convenience function for retrieving a single secure settings value
4184         * as a {@code long}.  Note that internally setting values are always
4185         * stored as strings; this function converts the string to a {@code long}
4186         * for you.
4187         * <p>
4188         * This version does not take a default value.  If the setting has not
4189         * been set, or the string value is not a number,
4190         * it throws {@link SettingNotFoundException}.
4191         *
4192         * @param cr The ContentResolver to access.
4193         * @param name The name of the setting to retrieve.
4194         *
4195         * @return The setting's current value.
4196         * @throws SettingNotFoundException Thrown if a setting by the given
4197         * name can't be found or the setting value is not an integer.
4198         */
4199        public static long getLong(ContentResolver cr, String name)
4200                throws SettingNotFoundException {
4201            return getLongForUser(cr, name, UserHandle.myUserId());
4202        }
4203
4204        /** @hide */
4205        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
4206                throws SettingNotFoundException {
4207            String valString = getStringForUser(cr, name, userHandle);
4208            try {
4209                return Long.parseLong(valString);
4210            } catch (NumberFormatException e) {
4211                throw new SettingNotFoundException(name);
4212            }
4213        }
4214
4215        /**
4216         * Convenience function for updating a secure settings value as a long
4217         * integer. This will either create a new entry in the table if the
4218         * given name does not exist, or modify the value of the existing row
4219         * with that name.  Note that internally setting values are always
4220         * stored as strings, so this function converts the given value to a
4221         * string before storing it.
4222         *
4223         * @param cr The ContentResolver to access.
4224         * @param name The name of the setting to modify.
4225         * @param value The new value for the setting.
4226         * @return true if the value was set, false on database errors
4227         */
4228        public static boolean putLong(ContentResolver cr, String name, long value) {
4229            return putLongForUser(cr, name, value, UserHandle.myUserId());
4230        }
4231
4232        /** @hide */
4233        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4234                int userHandle) {
4235            return putStringForUser(cr, name, Long.toString(value), userHandle);
4236        }
4237
4238        /**
4239         * Convenience function for retrieving a single secure settings value
4240         * as a floating point number.  Note that internally setting values are
4241         * always stored as strings; this function converts the string to an
4242         * float for you. The default value will be returned if the setting
4243         * is not defined or not a valid float.
4244         *
4245         * @param cr The ContentResolver to access.
4246         * @param name The name of the setting to retrieve.
4247         * @param def Value to return if the setting is not defined.
4248         *
4249         * @return The setting's current value, or 'def' if it is not defined
4250         * or not a valid float.
4251         */
4252        public static float getFloat(ContentResolver cr, String name, float def) {
4253            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4254        }
4255
4256        /** @hide */
4257        public static float getFloatForUser(ContentResolver cr, String name, float def,
4258                int userHandle) {
4259            String v = getStringForUser(cr, name, userHandle);
4260            try {
4261                return v != null ? Float.parseFloat(v) : def;
4262            } catch (NumberFormatException e) {
4263                return def;
4264            }
4265        }
4266
4267        /**
4268         * Convenience function for retrieving a single secure settings value
4269         * as a float.  Note that internally setting values are always
4270         * stored as strings; this function converts the string to a float
4271         * for you.
4272         * <p>
4273         * This version does not take a default value.  If the setting has not
4274         * been set, or the string value is not a number,
4275         * it throws {@link SettingNotFoundException}.
4276         *
4277         * @param cr The ContentResolver to access.
4278         * @param name The name of the setting to retrieve.
4279         *
4280         * @throws SettingNotFoundException Thrown if a setting by the given
4281         * name can't be found or the setting value is not a float.
4282         *
4283         * @return The setting's current value.
4284         */
4285        public static float getFloat(ContentResolver cr, String name)
4286                throws SettingNotFoundException {
4287            return getFloatForUser(cr, name, UserHandle.myUserId());
4288        }
4289
4290        /** @hide */
4291        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4292                throws SettingNotFoundException {
4293            String v = getStringForUser(cr, name, userHandle);
4294            if (v == null) {
4295                throw new SettingNotFoundException(name);
4296            }
4297            try {
4298                return Float.parseFloat(v);
4299            } catch (NumberFormatException e) {
4300                throw new SettingNotFoundException(name);
4301            }
4302        }
4303
4304        /**
4305         * Convenience function for updating a single settings value as a
4306         * floating point number. This will either create a new entry in the
4307         * table if the given name does not exist, or modify the value of the
4308         * existing row with that name.  Note that internally setting values
4309         * are always stored as strings, so this function converts the given
4310         * value to a string before storing it.
4311         *
4312         * @param cr The ContentResolver to access.
4313         * @param name The name of the setting to modify.
4314         * @param value The new value for the setting.
4315         * @return true if the value was set, false on database errors
4316         */
4317        public static boolean putFloat(ContentResolver cr, String name, float value) {
4318            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4319        }
4320
4321        /** @hide */
4322        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4323                int userHandle) {
4324            return putStringForUser(cr, name, Float.toString(value), userHandle);
4325        }
4326
4327        /**
4328         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4329         * instead
4330         */
4331        @Deprecated
4332        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4333                Global.DEVELOPMENT_SETTINGS_ENABLED;
4334
4335        /**
4336         * When the user has enable the option to have a "bug report" command
4337         * in the power menu.
4338         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4339         * @hide
4340         */
4341        @Deprecated
4342        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4343
4344        /**
4345         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4346         */
4347        @Deprecated
4348        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4349
4350        /**
4351         * Setting to allow mock locations and location provider status to be injected into the
4352         * LocationManager service for testing purposes during application development.  These
4353         * locations and status values  override actual location and status information generated
4354         * by network, gps, or other location providers.
4355         *
4356         * @deprecated This settings is not used anymore.
4357         */
4358        @Deprecated
4359        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4360
4361        /**
4362         * A 64-bit number (as a hex string) that is randomly
4363         * generated when the user first sets up the device and should remain
4364         * constant for the lifetime of the user's device. The value may
4365         * change if a factory reset is performed on the device.
4366         * <p class="note"><strong>Note:</strong> When a device has <a
4367         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4368         * (available on certain devices running Android 4.2 or higher), each user appears as a
4369         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4370         * user.</p>
4371         */
4372        public static final String ANDROID_ID = "android_id";
4373
4374        /**
4375         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4376         */
4377        @Deprecated
4378        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4379
4380        /**
4381         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4382         */
4383        @Deprecated
4384        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4385
4386        /**
4387         * Setting to record the input method used by default, holding the ID
4388         * of the desired method.
4389         */
4390        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4391
4392        /**
4393         * Setting to record the input method subtype used by default, holding the ID
4394         * of the desired method.
4395         */
4396        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4397                "selected_input_method_subtype";
4398
4399        /**
4400         * Setting to record the history of input method subtype, holding the pair of ID of IME
4401         * and its last used subtype.
4402         * @hide
4403         */
4404        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4405                "input_methods_subtype_history";
4406
4407        /**
4408         * Setting to record the visibility of input method selector
4409         */
4410        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4411                "input_method_selector_visibility";
4412
4413        /**
4414         * The currently selected voice interaction service flattened ComponentName.
4415         * @hide
4416         */
4417        @TestApi
4418        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4419
4420        /**
4421         * bluetooth HCI snoop log configuration
4422         * @hide
4423         */
4424        public static final String BLUETOOTH_HCI_LOG =
4425                "bluetooth_hci_log";
4426
4427        /**
4428         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4429         */
4430        @Deprecated
4431        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4432
4433        /**
4434         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4435         * @hide
4436         */
4437        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4438
4439        /**
4440         * List of input methods that are currently enabled.  This is a string
4441         * containing the IDs of all enabled input methods, each ID separated
4442         * by ':'.
4443         */
4444        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4445
4446        /**
4447         * List of system input methods that are currently disabled.  This is a string
4448         * containing the IDs of all disabled input methods, each ID separated
4449         * by ':'.
4450         * @hide
4451         */
4452        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4453
4454        /**
4455         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4456         * determines if the IME should be shown when a hard keyboard is attached.
4457         * @hide
4458         */
4459        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4460
4461        /**
4462         * Host name and port for global http proxy. Uses ':' seperator for
4463         * between host and port.
4464         *
4465         * @deprecated Use {@link Global#HTTP_PROXY}
4466         */
4467        @Deprecated
4468        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4469
4470        /**
4471         * Package designated as always-on VPN provider.
4472         *
4473         * @hide
4474         */
4475        public static final String ALWAYS_ON_VPN_APP = "always_on_vpn_app";
4476
4477        /**
4478         * Whether applications can be installed for this user via the system's
4479         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4480         *
4481         * <p>1 = permit app installation via the system package installer intent
4482         * <p>0 = do not allow use of the package installer
4483         */
4484        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4485
4486        /**
4487         * Comma-separated list of location providers that activities may access. Do not rely on
4488         * this value being present in settings.db or on ContentObserver notifications on the
4489         * corresponding Uri.
4490         *
4491         * @deprecated use {@link #LOCATION_MODE} and
4492         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4493         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4494         */
4495        @Deprecated
4496        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4497
4498        /**
4499         * The degree of location access enabled by the user.
4500         * <p>
4501         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4502         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4503         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4504         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4505         * modes that might be added in the future.
4506         * <p>
4507         * Note: do not rely on this value being present in settings.db or on ContentObserver
4508         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4509         * to receive changes in this value.
4510         */
4511        public static final String LOCATION_MODE = "location_mode";
4512        /**
4513         * Stores the previous location mode when {@link #LOCATION_MODE} is set to
4514         * {@link #LOCATION_MODE_OFF}
4515         * @hide
4516         */
4517        public static final String LOCATION_PREVIOUS_MODE = "location_previous_mode";
4518
4519        /**
4520         * Sets all location providers to the previous states before location was turned off.
4521         * @hide
4522         */
4523        public static final int LOCATION_MODE_PREVIOUS = -1;
4524        /**
4525         * Location access disabled.
4526         */
4527        public static final int LOCATION_MODE_OFF = 0;
4528        /**
4529         * Network Location Provider disabled, but GPS and other sensors enabled.
4530         */
4531        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4532        /**
4533         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4534         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4535         * {@link android.location.Criteria#POWER_MEDIUM}.
4536         */
4537        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4538        /**
4539         * Best-effort location computation allowed.
4540         */
4541        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4542
4543        /**
4544         * A flag containing settings used for biometric weak
4545         * @hide
4546         */
4547        @Deprecated
4548        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4549                "lock_biometric_weak_flags";
4550
4551        /**
4552         * Whether lock-to-app will lock the keyguard when exiting.
4553         * @hide
4554         */
4555        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4556
4557        /**
4558         * Whether autolock is enabled (0 = false, 1 = true)
4559         *
4560         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4561         *             level of the keyguard. Accessing this setting from an app that is targeting
4562         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4563         */
4564        @Deprecated
4565        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4566
4567        /**
4568         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4569         *
4570         * @deprecated Accessing this setting from an app that is targeting
4571         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4572         */
4573        @Deprecated
4574        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4575
4576        /**
4577         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4578         * true)
4579         *
4580         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4581         *             lockscreen uses
4582         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4583         *             Accessing this setting from an app that is targeting
4584         *             {@link VERSION_CODES#M} or later throws a {@code SecurityException}.
4585         */
4586        @Deprecated
4587        public static final String
4588                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4589
4590        /**
4591         * This preference allows the device to be locked given time after screen goes off,
4592         * subject to current DeviceAdmin policy limits.
4593         * @hide
4594         */
4595        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4596
4597
4598        /**
4599         * This preference contains the string that shows for owner info on LockScreen.
4600         * @hide
4601         * @deprecated
4602         */
4603        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4604
4605        /**
4606         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4607         * @hide
4608         */
4609        @Deprecated
4610        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4611            "lock_screen_appwidget_ids";
4612
4613        /**
4614         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4615         * @hide
4616         */
4617        @Deprecated
4618        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4619            "lock_screen_fallback_appwidget_id";
4620
4621        /**
4622         * Index of the lockscreen appwidget to restore, -1 if none.
4623         * @hide
4624         */
4625        @Deprecated
4626        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4627            "lock_screen_sticky_appwidget";
4628
4629        /**
4630         * This preference enables showing the owner info on LockScreen.
4631         * @hide
4632         * @deprecated
4633         */
4634        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4635            "lock_screen_owner_info_enabled";
4636
4637        /**
4638         * When set by a user, allows notifications to be shown atop a securely locked screen
4639         * in their full "private" form (same as when the device is unlocked).
4640         * @hide
4641         */
4642        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4643                "lock_screen_allow_private_notifications";
4644
4645        /**
4646         * Set by the system to track if the user needs to see the call to action for
4647         * the lockscreen notification policy.
4648         * @hide
4649         */
4650        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4651                "show_note_about_notification_hiding";
4652
4653        /**
4654         * Set to 1 by the system after trust agents have been initialized.
4655         * @hide
4656         */
4657        public static final String TRUST_AGENTS_INITIALIZED =
4658                "trust_agents_initialized";
4659
4660        /**
4661         * The Logging ID (a unique 64-bit value) as a hex string.
4662         * Used as a pseudonymous identifier for logging.
4663         * @deprecated This identifier is poorly initialized and has
4664         * many collisions.  It should not be used.
4665         */
4666        @Deprecated
4667        public static final String LOGGING_ID = "logging_id";
4668
4669        /**
4670         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4671         */
4672        @Deprecated
4673        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4674
4675        /**
4676         * No longer supported.
4677         */
4678        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4679
4680        /**
4681         * No longer supported.
4682         */
4683        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4684
4685        /**
4686         * No longer supported.
4687         */
4688        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4689
4690        /**
4691         * Settings classname to launch when Settings is clicked from All
4692         * Applications.  Needed because of user testing between the old
4693         * and new Settings apps.
4694         */
4695        // TODO: 881807
4696        public static final String SETTINGS_CLASSNAME = "settings_classname";
4697
4698        /**
4699         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4700         */
4701        @Deprecated
4702        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4703
4704        /**
4705         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4706         */
4707        @Deprecated
4708        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4709
4710        /**
4711         * If accessibility is enabled.
4712         */
4713        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4714
4715        /**
4716         * If touch exploration is enabled.
4717         */
4718        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4719
4720        /**
4721         * List of the enabled accessibility providers.
4722         */
4723        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4724            "enabled_accessibility_services";
4725
4726        /**
4727         * List of the accessibility services to which the user has granted
4728         * permission to put the device into touch exploration mode.
4729         *
4730         * @hide
4731         */
4732        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4733            "touch_exploration_granted_accessibility_services";
4734
4735        /**
4736         * Whether to speak passwords while in accessibility mode.
4737         */
4738        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4739
4740        /**
4741         * Whether to draw text with high contrast while in accessibility mode.
4742         *
4743         * @hide
4744         */
4745        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4746                "high_text_contrast_enabled";
4747
4748        /**
4749         * If injection of accessibility enhancing JavaScript screen-reader
4750         * is enabled.
4751         * <p>
4752         *   Note: The JavaScript based screen-reader is served by the
4753         *   Google infrastructure and enable users with disabilities to
4754         *   efficiently navigate in and explore web content.
4755         * </p>
4756         * <p>
4757         *   This property represents a boolean value.
4758         * </p>
4759         * @hide
4760         */
4761        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4762            "accessibility_script_injection";
4763
4764        /**
4765         * The URL for the injected JavaScript based screen-reader used
4766         * for providing accessibility of content in WebView.
4767         * <p>
4768         *   Note: The JavaScript based screen-reader is served by the
4769         *   Google infrastructure and enable users with disabilities to
4770         *   efficiently navigate in and explore web content.
4771         * </p>
4772         * <p>
4773         *   This property represents a string value.
4774         * </p>
4775         * @hide
4776         */
4777        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4778            "accessibility_script_injection_url";
4779
4780        /**
4781         * Key bindings for navigation in built-in accessibility support for web content.
4782         * <p>
4783         *   Note: These key bindings are for the built-in accessibility navigation for
4784         *   web content which is used as a fall back solution if JavaScript in a WebView
4785         *   is not enabled or the user has not opted-in script injection from Google.
4786         * </p>
4787         * <p>
4788         *   The bindings are separated by semi-colon. A binding is a mapping from
4789         *   a key to a sequence of actions (for more details look at
4790         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4791         *   string representation of an integer obtained from a meta state (optional) shifted
4792         *   sixteen times left and bitwise ored with a key code. An action is represented
4793         *   as a hexademical string representation of an integer where the first two digits
4794         *   are navigation action index, the second, the third, and the fourth digit pairs
4795         *   represent the action arguments. The separate actions in a binding are colon
4796         *   separated. The key and the action sequence it maps to are separated by equals.
4797         * </p>
4798         * <p>
4799         *   For example, the binding below maps the DPAD right button to traverse the
4800         *   current navigation axis once without firing an accessibility event and to
4801         *   perform the same traversal again but to fire an event:
4802         *   <code>
4803         *     0x16=0x01000100:0x01000101;
4804         *   </code>
4805         * </p>
4806         * <p>
4807         *   The goal of this binding is to enable dynamic rebinding of keys to
4808         *   navigation actions for web content without requiring a framework change.
4809         * </p>
4810         * <p>
4811         *   This property represents a string value.
4812         * </p>
4813         * @hide
4814         */
4815        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4816            "accessibility_web_content_key_bindings";
4817
4818        /**
4819         * Setting that specifies whether the display magnification is enabled.
4820         * Display magnifications allows the user to zoom in the display content
4821         * and is targeted to low vision users. The current magnification scale
4822         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4823         *
4824         * @hide
4825         */
4826        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4827                "accessibility_display_magnification_enabled";
4828
4829        /**
4830         * Setting that specifies what the display magnification scale is.
4831         * Display magnifications allows the user to zoom in the display
4832         * content and is targeted to low vision users. Whether a display
4833         * magnification is performed is controlled by
4834         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4835         *
4836         * @hide
4837         */
4838        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4839                "accessibility_display_magnification_scale";
4840
4841        /**
4842         * Setting that specifies whether the display magnification should be
4843         * automatically updated. If this fearture is enabled the system will
4844         * exit magnification mode or pan the viewport when a context change
4845         * occurs. For example, on staring a new activity or rotating the screen,
4846         * the system may zoom out so the user can see the new context he is in.
4847         * Another example is on showing a window that is not visible in the
4848         * magnified viewport the system may pan the viewport to make the window
4849         * the has popped up so the user knows that the context has changed.
4850         * Whether a screen magnification is performed is controlled by
4851         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4852         *
4853         * @hide
4854         */
4855        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4856                "accessibility_display_magnification_auto_update";
4857
4858        /**
4859         * Setting that specifies what mode the soft keyboard is in (default or hidden). Can be
4860         * modified from an AccessibilityService using the SoftKeyboardController.
4861         *
4862         * @hide
4863         */
4864        public static final String ACCESSIBILITY_SOFT_KEYBOARD_MODE =
4865                "accessibility_soft_keyboard_mode";
4866
4867        /**
4868         * Default soft keyboard behavior.
4869         *
4870         * @hide
4871         */
4872        public static final int SHOW_MODE_AUTO = 0;
4873
4874        /**
4875         * Soft keyboard is never shown.
4876         *
4877         * @hide
4878         */
4879        public static final int SHOW_MODE_HIDDEN = 1;
4880
4881        /**
4882         * Setting that specifies whether timed text (captions) should be
4883         * displayed in video content. Text display properties are controlled by
4884         * the following settings:
4885         * <ul>
4886         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4887         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4888         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4889         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4890         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4891         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4892         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4893         * </ul>
4894         *
4895         * @hide
4896         */
4897        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4898                "accessibility_captioning_enabled";
4899
4900        /**
4901         * Setting that specifies the language for captions as a locale string,
4902         * e.g. en_US.
4903         *
4904         * @see java.util.Locale#toString
4905         * @hide
4906         */
4907        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4908                "accessibility_captioning_locale";
4909
4910        /**
4911         * Integer property that specifies the preset style for captions, one
4912         * of:
4913         * <ul>
4914         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4915         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4916         * </ul>
4917         *
4918         * @see java.util.Locale#toString
4919         * @hide
4920         */
4921        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4922                "accessibility_captioning_preset";
4923
4924        /**
4925         * Integer property that specifes the background color for captions as a
4926         * packed 32-bit color.
4927         *
4928         * @see android.graphics.Color#argb
4929         * @hide
4930         */
4931        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4932                "accessibility_captioning_background_color";
4933
4934        /**
4935         * Integer property that specifes the foreground color for captions as a
4936         * packed 32-bit color.
4937         *
4938         * @see android.graphics.Color#argb
4939         * @hide
4940         */
4941        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4942                "accessibility_captioning_foreground_color";
4943
4944        /**
4945         * Integer property that specifes the edge type for captions, one of:
4946         * <ul>
4947         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4948         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4949         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4950         * </ul>
4951         *
4952         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4953         * @hide
4954         */
4955        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4956                "accessibility_captioning_edge_type";
4957
4958        /**
4959         * Integer property that specifes the edge color for captions as a
4960         * packed 32-bit color.
4961         *
4962         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4963         * @see android.graphics.Color#argb
4964         * @hide
4965         */
4966        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4967                "accessibility_captioning_edge_color";
4968
4969        /**
4970         * Integer property that specifes the window color for captions as a
4971         * packed 32-bit color.
4972         *
4973         * @see android.graphics.Color#argb
4974         * @hide
4975         */
4976        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4977                "accessibility_captioning_window_color";
4978
4979        /**
4980         * String property that specifies the typeface for captions, one of:
4981         * <ul>
4982         * <li>DEFAULT
4983         * <li>MONOSPACE
4984         * <li>SANS_SERIF
4985         * <li>SERIF
4986         * </ul>
4987         *
4988         * @see android.graphics.Typeface
4989         * @hide
4990         */
4991        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4992                "accessibility_captioning_typeface";
4993
4994        /**
4995         * Floating point property that specifies font scaling for captions.
4996         *
4997         * @hide
4998         */
4999        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
5000                "accessibility_captioning_font_scale";
5001
5002        /**
5003         * Setting that specifies whether display color inversion is enabled.
5004         */
5005        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
5006                "accessibility_display_inversion_enabled";
5007
5008        /**
5009         * Setting that specifies whether display color space adjustment is
5010         * enabled.
5011         *
5012         * @hide
5013         */
5014        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
5015                "accessibility_display_daltonizer_enabled";
5016
5017        /**
5018         * Integer property that specifies the type of color space adjustment to
5019         * perform. Valid values are defined in AccessibilityManager.
5020         *
5021         * @hide
5022         */
5023        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
5024                "accessibility_display_daltonizer";
5025
5026        /**
5027         * Float list that specifies the color matrix to apply to
5028         * the display. Valid values are defined in AccessibilityManager.
5029         *
5030         * @hide
5031         */
5032        public static final String ACCESSIBILITY_DISPLAY_COLOR_MATRIX =
5033                "accessibility_display_color_matrix";
5034
5035        /**
5036         * Setting that specifies whether automatic click when the mouse pointer stops moving is
5037         * enabled.
5038         *
5039         * @hide
5040         */
5041        public static final String ACCESSIBILITY_AUTOCLICK_ENABLED =
5042                "accessibility_autoclick_enabled";
5043
5044        /**
5045         * Integer setting specifying amount of time in ms the mouse pointer has to stay still
5046         * before performing click when {@link #ACCESSIBILITY_AUTOCLICK_ENABLED} is set.
5047         *
5048         * @see #ACCESSIBILITY_AUTOCLICK_ENABLED
5049         * @hide
5050         */
5051        public static final String ACCESSIBILITY_AUTOCLICK_DELAY =
5052                "accessibility_autoclick_delay";
5053
5054        /**
5055         * Whether or not larger size icons are used for the pointer of mouse/trackpad for
5056         * accessibility.
5057         * (0 = false, 1 = true)
5058         * @hide
5059         */
5060        public static final String ACCESSIBILITY_LARGE_POINTER_ICON =
5061                "accessibility_large_pointer_icon";
5062
5063        /**
5064         * The timeout for considering a press to be a long press in milliseconds.
5065         * @hide
5066         */
5067        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
5068
5069        /**
5070         * List of the enabled print services.
5071         *
5072         * N and beyond uses {@link #DISABLED_PRINT_SERVICES}. But this might be used in an upgrade
5073         * from pre-N.
5074         *
5075         * @hide
5076         */
5077        public static final String ENABLED_PRINT_SERVICES =
5078            "enabled_print_services";
5079
5080        /**
5081         * List of the disabled print services.
5082         *
5083         * @hide
5084         */
5085        public static final String DISABLED_PRINT_SERVICES =
5086            "disabled_print_services";
5087
5088        /**
5089         * Setting to always use the default text-to-speech settings regardless
5090         * of the application settings.
5091         * 1 = override application settings,
5092         * 0 = use application settings (if specified).
5093         *
5094         * @deprecated  The value of this setting is no longer respected by
5095         * the framework text to speech APIs as of the Ice Cream Sandwich release.
5096         */
5097        @Deprecated
5098        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
5099
5100        /**
5101         * Default text-to-speech engine speech rate. 100 = 1x
5102         */
5103        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
5104
5105        /**
5106         * Default text-to-speech engine pitch. 100 = 1x
5107         */
5108        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
5109
5110        /**
5111         * Default text-to-speech engine.
5112         */
5113        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
5114
5115        /**
5116         * Whether text-to-speech higher speech rate is enabled.
5117         * 0 = disabled.
5118         * 1 = enabled.
5119         * @hide
5120         */
5121        public static final String TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED =
5122            "tts_default_higher_speech_rate_enabled";
5123        /**
5124         * Default text-to-speech language.
5125         *
5126         * @deprecated this setting is no longer in use, as of the Ice Cream
5127         * Sandwich release. Apps should never need to read this setting directly,
5128         * instead can query the TextToSpeech framework classes for the default
5129         * locale. {@link TextToSpeech#getLanguage()}.
5130         */
5131        @Deprecated
5132        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
5133
5134        /**
5135         * Default text-to-speech country.
5136         *
5137         * @deprecated this setting is no longer in use, as of the Ice Cream
5138         * Sandwich release. Apps should never need to read this setting directly,
5139         * instead can query the TextToSpeech framework classes for the default
5140         * locale. {@link TextToSpeech#getLanguage()}.
5141         */
5142        @Deprecated
5143        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
5144
5145        /**
5146         * Default text-to-speech locale variant.
5147         *
5148         * @deprecated this setting is no longer in use, as of the Ice Cream
5149         * Sandwich release. Apps should never need to read this setting directly,
5150         * instead can query the TextToSpeech framework classes for the
5151         * locale that is in use {@link TextToSpeech#getLanguage()}.
5152         */
5153        @Deprecated
5154        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
5155
5156        /**
5157         * Stores the default tts locales on a per engine basis. Stored as
5158         * a comma seperated list of values, each value being of the form
5159         * {@code engine_name:locale} for example,
5160         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
5161         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
5162         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
5163         * setting directly, and can query the TextToSpeech framework classes
5164         * for the locale that is in use.
5165         *
5166         * @hide
5167         */
5168        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
5169
5170        /**
5171         * Space delimited list of plugin packages that are enabled.
5172         */
5173        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
5174
5175        /**
5176         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
5177         * instead.
5178         */
5179        @Deprecated
5180        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
5181                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
5182
5183        /**
5184         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
5185         * instead.
5186         */
5187        @Deprecated
5188        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
5189                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
5190
5191        /**
5192         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
5193         * instead.
5194         */
5195        @Deprecated
5196        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
5197                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
5198
5199        /**
5200         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
5201         * instead.
5202         */
5203        @Deprecated
5204        public static final String WIFI_ON = Global.WIFI_ON;
5205
5206        /**
5207         * The acceptable packet loss percentage (range 0 - 100) before trying
5208         * another AP on the same network.
5209         * @deprecated This setting is not used.
5210         */
5211        @Deprecated
5212        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
5213                "wifi_watchdog_acceptable_packet_loss_percentage";
5214
5215        /**
5216         * The number of access points required for a network in order for the
5217         * watchdog to monitor it.
5218         * @deprecated This setting is not used.
5219         */
5220        @Deprecated
5221        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
5222
5223        /**
5224         * The delay between background checks.
5225         * @deprecated This setting is not used.
5226         */
5227        @Deprecated
5228        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
5229                "wifi_watchdog_background_check_delay_ms";
5230
5231        /**
5232         * Whether the Wi-Fi watchdog is enabled for background checking even
5233         * after it thinks the user has connected to a good access point.
5234         * @deprecated This setting is not used.
5235         */
5236        @Deprecated
5237        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
5238                "wifi_watchdog_background_check_enabled";
5239
5240        /**
5241         * The timeout for a background ping
5242         * @deprecated This setting is not used.
5243         */
5244        @Deprecated
5245        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
5246                "wifi_watchdog_background_check_timeout_ms";
5247
5248        /**
5249         * The number of initial pings to perform that *may* be ignored if they
5250         * fail. Again, if these fail, they will *not* be used in packet loss
5251         * calculation. For example, one network always seemed to time out for
5252         * the first couple pings, so this is set to 3 by default.
5253         * @deprecated This setting is not used.
5254         */
5255        @Deprecated
5256        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
5257            "wifi_watchdog_initial_ignored_ping_count";
5258
5259        /**
5260         * The maximum number of access points (per network) to attempt to test.
5261         * If this number is reached, the watchdog will no longer monitor the
5262         * initial connection state for the network. This is a safeguard for
5263         * networks containing multiple APs whose DNS does not respond to pings.
5264         * @deprecated This setting is not used.
5265         */
5266        @Deprecated
5267        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
5268
5269        /**
5270         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
5271         */
5272        @Deprecated
5273        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
5274
5275        /**
5276         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
5277         * @deprecated This setting is not used.
5278         */
5279        @Deprecated
5280        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
5281
5282        /**
5283         * The number of pings to test if an access point is a good connection.
5284         * @deprecated This setting is not used.
5285         */
5286        @Deprecated
5287        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
5288
5289        /**
5290         * The delay between pings.
5291         * @deprecated This setting is not used.
5292         */
5293        @Deprecated
5294        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
5295
5296        /**
5297         * The timeout per ping.
5298         * @deprecated This setting is not used.
5299         */
5300        @Deprecated
5301        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
5302
5303        /**
5304         * @deprecated Use
5305         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
5306         */
5307        @Deprecated
5308        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5309
5310        /**
5311         * @deprecated Use
5312         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5313         */
5314        @Deprecated
5315        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5316                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5317
5318        /**
5319         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5320         * the receivers of the PendingIntent an opportunity to make a new network request before
5321         * the Network satisfying the request is potentially removed.
5322         *
5323         * @hide
5324         */
5325        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5326                "connectivity_release_pending_intent_delay_ms";
5327
5328        /**
5329         * Whether background data usage is allowed.
5330         *
5331         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5332         *             availability of background data depends on several
5333         *             combined factors. When background data is unavailable,
5334         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5335         *             now appear disconnected.
5336         */
5337        @Deprecated
5338        public static final String BACKGROUND_DATA = "background_data";
5339
5340        /**
5341         * Origins for which browsers should allow geolocation by default.
5342         * The value is a space-separated list of origins.
5343         */
5344        public static final String ALLOWED_GEOLOCATION_ORIGINS
5345                = "allowed_geolocation_origins";
5346
5347        /**
5348         * The preferred TTY mode     0 = TTy Off, CDMA default
5349         *                            1 = TTY Full
5350         *                            2 = TTY HCO
5351         *                            3 = TTY VCO
5352         * @hide
5353         */
5354        public static final String PREFERRED_TTY_MODE =
5355                "preferred_tty_mode";
5356
5357        /**
5358         * Whether the enhanced voice privacy mode is enabled.
5359         * 0 = normal voice privacy
5360         * 1 = enhanced voice privacy
5361         * @hide
5362         */
5363        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5364
5365        /**
5366         * Whether the TTY mode mode is enabled.
5367         * 0 = disabled
5368         * 1 = enabled
5369         * @hide
5370         */
5371        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5372
5373        /**
5374         * Controls whether settings backup is enabled.
5375         * Type: int ( 0 = disabled, 1 = enabled )
5376         * @hide
5377         */
5378        public static final String BACKUP_ENABLED = "backup_enabled";
5379
5380        /**
5381         * Controls whether application data is automatically restored from backup
5382         * at install time.
5383         * Type: int ( 0 = disabled, 1 = enabled )
5384         * @hide
5385         */
5386        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5387
5388        /**
5389         * Indicates whether settings backup has been fully provisioned.
5390         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5391         * @hide
5392         */
5393        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5394
5395        /**
5396         * Component of the transport to use for backup/restore.
5397         * @hide
5398         */
5399        public static final String BACKUP_TRANSPORT = "backup_transport";
5400
5401        /**
5402         * Version for which the setup wizard was last shown.  Bumped for
5403         * each release when there is new setup information to show.
5404         * @hide
5405         */
5406        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5407
5408        /**
5409         * The interval in milliseconds after which Wi-Fi is considered idle.
5410         * When idle, it is possible for the device to be switched from Wi-Fi to
5411         * the mobile data network.
5412         * @hide
5413         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5414         * instead.
5415         */
5416        @Deprecated
5417        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5418
5419        /**
5420         * The global search provider chosen by the user (if multiple global
5421         * search providers are installed). This will be the provider returned
5422         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5423         * installed. This setting is stored as a flattened component name as
5424         * per {@link ComponentName#flattenToString()}.
5425         *
5426         * @hide
5427         */
5428        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5429                "search_global_search_activity";
5430
5431        /**
5432         * The number of promoted sources in GlobalSearch.
5433         * @hide
5434         */
5435        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5436        /**
5437         * The maximum number of suggestions returned by GlobalSearch.
5438         * @hide
5439         */
5440        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5441        /**
5442         * The number of suggestions GlobalSearch will ask each non-web search source for.
5443         * @hide
5444         */
5445        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5446        /**
5447         * The number of suggestions the GlobalSearch will ask the web search source for.
5448         * @hide
5449         */
5450        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5451                "search_web_results_override_limit";
5452        /**
5453         * The number of milliseconds that GlobalSearch will wait for suggestions from
5454         * promoted sources before continuing with all other sources.
5455         * @hide
5456         */
5457        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5458                "search_promoted_source_deadline_millis";
5459        /**
5460         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5461         * @hide
5462         */
5463        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5464        /**
5465         * The maximum number of milliseconds that GlobalSearch shows the previous results
5466         * after receiving a new query.
5467         * @hide
5468         */
5469        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5470        /**
5471         * The maximum age of log data used for shortcuts in GlobalSearch.
5472         * @hide
5473         */
5474        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5475        /**
5476         * The maximum age of log data used for source ranking in GlobalSearch.
5477         * @hide
5478         */
5479        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5480                "search_max_source_event_age_millis";
5481        /**
5482         * The minimum number of impressions needed to rank a source in GlobalSearch.
5483         * @hide
5484         */
5485        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5486                "search_min_impressions_for_source_ranking";
5487        /**
5488         * The minimum number of clicks needed to rank a source in GlobalSearch.
5489         * @hide
5490         */
5491        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5492                "search_min_clicks_for_source_ranking";
5493        /**
5494         * The maximum number of shortcuts shown by GlobalSearch.
5495         * @hide
5496         */
5497        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5498        /**
5499         * The size of the core thread pool for suggestion queries in GlobalSearch.
5500         * @hide
5501         */
5502        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5503                "search_query_thread_core_pool_size";
5504        /**
5505         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5506         * @hide
5507         */
5508        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5509                "search_query_thread_max_pool_size";
5510        /**
5511         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5512         * @hide
5513         */
5514        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5515                "search_shortcut_refresh_core_pool_size";
5516        /**
5517         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5518         * @hide
5519         */
5520        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5521                "search_shortcut_refresh_max_pool_size";
5522        /**
5523         * The maximun time that excess threads in the GlobalSeach thread pools will
5524         * wait before terminating.
5525         * @hide
5526         */
5527        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5528                "search_thread_keepalive_seconds";
5529        /**
5530         * The maximum number of concurrent suggestion queries to each source.
5531         * @hide
5532         */
5533        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5534                "search_per_source_concurrent_query_limit";
5535
5536        /**
5537         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5538         * @hide
5539         */
5540        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5541
5542        /**
5543         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5544         * @hide
5545         */
5546        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5547
5548        /**
5549         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5550         * @hide
5551         */
5552        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5553
5554        /**
5555         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5556         * @hide
5557         */
5558        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5559
5560        /**
5561         * If nonzero, ANRs in invisible background processes bring up a dialog.
5562         * Otherwise, the process will be silently killed.
5563         * @hide
5564         */
5565        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5566
5567        /**
5568         * The {@link ComponentName} string of the service to be used as the voice recognition
5569         * service.
5570         *
5571         * @hide
5572         */
5573        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5574
5575        /**
5576         * Stores whether an user has consented to have apps verified through PAM.
5577         * The value is boolean (1 or 0).
5578         *
5579         * @hide
5580         */
5581        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5582            "package_verifier_user_consent";
5583
5584        /**
5585         * The {@link ComponentName} string of the selected spell checker service which is
5586         * one of the services managed by the text service manager.
5587         *
5588         * @hide
5589         */
5590        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5591
5592        /**
5593         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5594         * service which is one of the services managed by the text service manager.
5595         *
5596         * @hide
5597         */
5598        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5599                "selected_spell_checker_subtype";
5600
5601        /**
5602         * The {@link ComponentName} string whether spell checker is enabled or not.
5603         *
5604         * @hide
5605         */
5606        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5607
5608        /**
5609         * What happens when the user presses the Power button while in-call
5610         * and the screen is on.<br/>
5611         * <b>Values:</b><br/>
5612         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5613         * 2 - The Power button hangs up the current call.<br/>
5614         *
5615         * @hide
5616         */
5617        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5618
5619        /**
5620         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5621         * @hide
5622         */
5623        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5624
5625        /**
5626         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5627         * @hide
5628         */
5629        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5630
5631        /**
5632         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5633         * @hide
5634         */
5635        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5636                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5637
5638        /**
5639         * Whether the device should wake when the wake gesture sensor detects motion.
5640         * @hide
5641         */
5642        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5643
5644        /**
5645         * Whether the device should doze if configured.
5646         * @hide
5647         */
5648        public static final String DOZE_ENABLED = "doze_enabled";
5649
5650        /**
5651         * The current night mode that has been selected by the user.  Owned
5652         * and controlled by UiModeManagerService.  Constants are as per
5653         * UiModeManager.
5654         * @hide
5655         */
5656        public static final String UI_NIGHT_MODE = "ui_night_mode";
5657
5658        /**
5659         * Whether screensavers are enabled.
5660         * @hide
5661         */
5662        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5663
5664        /**
5665         * The user's chosen screensaver components.
5666         *
5667         * These will be launched by the PhoneWindowManager after a timeout when not on
5668         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5669         * @hide
5670         */
5671        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5672
5673        /**
5674         * If screensavers are enabled, whether the screensaver should be automatically launched
5675         * when the device is inserted into a (desk) dock.
5676         * @hide
5677         */
5678        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5679
5680        /**
5681         * If screensavers are enabled, whether the screensaver should be automatically launched
5682         * when the screen times out when not on battery.
5683         * @hide
5684         */
5685        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5686
5687        /**
5688         * If screensavers are enabled, the default screensaver component.
5689         * @hide
5690         */
5691        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5692
5693        /**
5694         * The default NFC payment component
5695         * @hide
5696         */
5697        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5698
5699        /**
5700         * Whether NFC payment is handled by the foreground application or a default.
5701         * @hide
5702         */
5703        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5704
5705        /**
5706         * Specifies the package name currently configured to be the primary sms application
5707         * @hide
5708         */
5709        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5710
5711        /**
5712         * Specifies the package name currently configured to be the default dialer application
5713         * @hide
5714         */
5715        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5716
5717        /**
5718         * Specifies the package name currently configured to be the emergency assistance application
5719         *
5720         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5721         *
5722         * @hide
5723         */
5724        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5725
5726        /**
5727         * Specifies whether the current app context on scren (assist data) will be sent to the
5728         * assist application (active voice interaction service).
5729         *
5730         * @hide
5731         */
5732        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5733
5734        /**
5735         * Specifies whether a screenshot of the screen contents will be sent to the assist
5736         * application (active voice interaction service).
5737         *
5738         * @hide
5739         */
5740        public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
5741
5742        /**
5743         * Names of the service component that the current user has explicitly allowed to
5744         * see and change the importance of all of the user's notifications.
5745         *
5746         * @hide
5747         */
5748        public static final String ENABLED_NOTIFICATION_ASSISTANT
5749                = "enabled_notification_assistant";
5750
5751        /**
5752         * Names of the service components that the current user has explicitly allowed to
5753         * see all of the user's notifications, separated by ':'.
5754         *
5755         * @hide
5756         */
5757        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5758
5759        /**
5760         * Names of the packages that the current user has explicitly allowed to
5761         * manage notification policy configuration, separated by ':'.
5762         */
5763        public static final String ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES =
5764                "enabled_notification_policy_access_packages";
5765
5766        /** @hide */
5767        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5768
5769        /** @hide */
5770        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5771                = "volume_controller_service_component";
5772
5773        /** @hide */
5774        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5775
5776        /**
5777         * This is the query URI for finding a print service to install.
5778         *
5779         * @hide
5780         */
5781        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5782
5783        /**
5784         * This is the query URI for finding a NFC payment service to install.
5785         *
5786         * @hide
5787         */
5788        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5789
5790        /**
5791         * If enabled, apps should try to skip any introductory hints on first launch. This might
5792         * apply to users that are already familiar with the environment or temporary users.
5793         * <p>
5794         * Type : int (0 to show hints, 1 to skip showing hints)
5795         */
5796        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5797
5798        /**
5799         * Persisted playback time after a user confirmation of an unsafe volume level.
5800         *
5801         * @hide
5802         */
5803        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5804
5805        /**
5806         * This preference enables notification display on the lockscreen.
5807         * @hide
5808         */
5809        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5810                "lock_screen_show_notifications";
5811
5812        /**
5813         * List of TV inputs that are currently hidden. This is a string
5814         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5815         * {@link android.net.Uri#encode(String)} and separated by ':'.
5816         * @hide
5817         */
5818        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5819
5820        /**
5821         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5822         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5823         * and separated by ','. Each pair is separated by ':'.
5824         * @hide
5825         */
5826        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5827
5828        /**
5829         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5830         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5831         * and 0 means automatic routing is enabled.
5832         *
5833         * @hide
5834         */
5835        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5836                "usb_audio_automatic_routing_disabled";
5837
5838        /**
5839         * The timeout in milliseconds before the device fully goes to sleep after
5840         * a period of inactivity.  This value sets an upper bound on how long the device
5841         * will stay awake or dreaming without user activity.  It should generally
5842         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5843         * will sleep before it ever has a chance to dream.
5844         * <p>
5845         * Use -1 to disable this timeout.
5846         * </p>
5847         *
5848         * @hide
5849         */
5850        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5851
5852        /**
5853         * Controls whether double tap to wake is enabled.
5854         * @hide
5855         */
5856        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5857
5858        /**
5859         * The current assistant component. It could be a voice interaction service,
5860         * or an activity that handles ACTION_ASSIST, or empty which means using the default
5861         * handling.
5862         *
5863         * @hide
5864         */
5865        public static final String ASSISTANT = "assistant";
5866
5867        /**
5868         * Whether the camera launch gesture should be disabled.
5869         *
5870         * @hide
5871         */
5872        public static final String CAMERA_GESTURE_DISABLED = "camera_gesture_disabled";
5873
5874        /**
5875         * Whether the camera launch gesture to double tap the power button when the screen is off
5876         * should be disabled.
5877         *
5878         * @hide
5879         */
5880        public static final String CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED =
5881                "camera_double_tap_power_gesture_disabled";
5882
5883        /**
5884         * Name of the package used as WebView provider (if unset the provider is instead determined
5885         * by the system).
5886         * @hide
5887         */
5888        public static final String WEBVIEW_PROVIDER = "webview_provider";
5889
5890        /**
5891         * This are the settings to be backed up.
5892         *
5893         * NOTE: Settings are backed up and restored in the order they appear
5894         *       in this array. If you have one setting depending on another,
5895         *       make sure that they are ordered appropriately.
5896         *
5897         * @hide
5898         */
5899        public static final String[] SETTINGS_TO_BACKUP = {
5900            BUGREPORT_IN_POWER_MENU,                            // moved to global
5901            ALLOW_MOCK_LOCATION,
5902            PARENTAL_CONTROL_ENABLED,
5903            PARENTAL_CONTROL_REDIRECT_URL,
5904            USB_MASS_STORAGE_ENABLED,                           // moved to global
5905            ACCESSIBILITY_DISPLAY_INVERSION_ENABLED,
5906            ACCESSIBILITY_DISPLAY_DALTONIZER,
5907            ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
5908            ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
5909            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5910            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5911            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5912            ACCESSIBILITY_SCRIPT_INJECTION,
5913            ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS,
5914            BACKUP_AUTO_RESTORE,
5915            ENABLED_ACCESSIBILITY_SERVICES,
5916            ENABLED_NOTIFICATION_LISTENERS,
5917            ENABLED_INPUT_METHODS,
5918            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5919            TOUCH_EXPLORATION_ENABLED,
5920            ACCESSIBILITY_ENABLED,
5921            ACCESSIBILITY_SPEAK_PASSWORD,
5922            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5923            ACCESSIBILITY_CAPTIONING_PRESET,
5924            ACCESSIBILITY_CAPTIONING_ENABLED,
5925            ACCESSIBILITY_CAPTIONING_LOCALE,
5926            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5927            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5928            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5929            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5930            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5931            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5932            ACCESSIBILITY_CAPTIONING_WINDOW_COLOR,
5933            TTS_USE_DEFAULTS,
5934            TTS_DEFAULT_RATE,
5935            TTS_DEFAULT_HIGHER_SPEECH_RATE_ENABLED,
5936            TTS_DEFAULT_PITCH,
5937            TTS_DEFAULT_SYNTH,
5938            TTS_DEFAULT_LANG,
5939            TTS_DEFAULT_COUNTRY,
5940            TTS_ENABLED_PLUGINS,
5941            TTS_DEFAULT_LOCALE,
5942            SHOW_IME_WITH_HARD_KEYBOARD,
5943            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5944            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5945            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5946            SELECTED_SPELL_CHECKER,
5947            SELECTED_SPELL_CHECKER_SUBTYPE,
5948            SPELL_CHECKER_ENABLED,
5949            MOUNT_PLAY_NOTIFICATION_SND,
5950            MOUNT_UMS_AUTOSTART,
5951            MOUNT_UMS_PROMPT,
5952            MOUNT_UMS_NOTIFY_ENABLED,
5953            UI_NIGHT_MODE,
5954            SLEEP_TIMEOUT,
5955            DOUBLE_TAP_TO_WAKE,
5956            WAKE_GESTURE_ENABLED,
5957            LONG_PRESS_TIMEOUT,
5958            CAMERA_GESTURE_DISABLED,
5959            ACCESSIBILITY_AUTOCLICK_ENABLED,
5960            ACCESSIBILITY_AUTOCLICK_DELAY,
5961            ACCESSIBILITY_LARGE_POINTER_ICON,
5962            PREFERRED_TTY_MODE,
5963            ENHANCED_VOICE_PRIVACY_ENABLED,
5964            TTY_MODE_ENABLED,
5965            INCALL_POWER_BUTTON_BEHAVIOR
5966        };
5967
5968        /**
5969         * These entries are considered common between the personal and the managed profile,
5970         * since the managed profile doesn't get to change them.
5971         */
5972        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5973
5974        static {
5975            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5976            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5977            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5978            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5979            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5980            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5981            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5982            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PREVIOUS_MODE);
5983            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5984            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5985            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5986            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5987        }
5988
5989        /** @hide */
5990        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5991            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5992        }
5993
5994        /**
5995         * Helper method for determining if a location provider is enabled.
5996         *
5997         * @param cr the content resolver to use
5998         * @param provider the location provider to query
5999         * @return true if the provider is enabled
6000         *
6001         * @deprecated use {@link #LOCATION_MODE} or
6002         *             {@link LocationManager#isProviderEnabled(String)}
6003         */
6004        @Deprecated
6005        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
6006            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
6007        }
6008
6009        /**
6010         * Helper method for determining if a location provider is enabled.
6011         * @param cr the content resolver to use
6012         * @param provider the location provider to query
6013         * @param userId the userId to query
6014         * @return true if the provider is enabled
6015         * @deprecated use {@link #LOCATION_MODE} or
6016         *             {@link LocationManager#isProviderEnabled(String)}
6017         * @hide
6018         */
6019        @Deprecated
6020        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
6021            String allowedProviders = Settings.Secure.getStringForUser(cr,
6022                    LOCATION_PROVIDERS_ALLOWED, userId);
6023            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
6024        }
6025
6026        /**
6027         * Thread-safe method for enabling or disabling a single location provider.
6028         * @param cr the content resolver to use
6029         * @param provider the location provider to enable or disable
6030         * @param enabled true if the provider should be enabled
6031         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
6032         */
6033        @Deprecated
6034        public static final void setLocationProviderEnabled(ContentResolver cr,
6035                String provider, boolean enabled) {
6036            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
6037        }
6038
6039        /**
6040         * Thread-safe method for enabling or disabling a single location provider.
6041         *
6042         * @param cr the content resolver to use
6043         * @param provider the location provider to enable or disable
6044         * @param enabled true if the provider should be enabled
6045         * @param userId the userId for which to enable/disable providers
6046         * @return true if the value was set, false on database errors
6047         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
6048         *             {@link #LOCATION_MODE}
6049         * @hide
6050         */
6051        @Deprecated
6052        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
6053                String provider, boolean enabled, int userId) {
6054            synchronized (mLocationSettingsLock) {
6055                // to ensure thread safety, we write the provider name with a '+' or '-'
6056                // and let the SettingsProvider handle it rather than reading and modifying
6057                // the list of enabled providers.
6058                if (enabled) {
6059                    provider = "+" + provider;
6060                } else {
6061                    provider = "-" + provider;
6062                }
6063                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
6064                        userId);
6065            }
6066        }
6067
6068        /**
6069         * Saves the current location mode into {@link #LOCATION_PREVIOUS_MODE}.
6070         */
6071        private static final boolean saveLocationModeForUser(ContentResolver cr, int userId) {
6072            final int mode = getLocationModeForUser(cr, userId);
6073            return putIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE, mode, userId);
6074        }
6075
6076        /**
6077         * Restores the current location mode from {@link #LOCATION_PREVIOUS_MODE}.
6078         */
6079        private static final boolean restoreLocationModeForUser(ContentResolver cr, int userId) {
6080            int mode = getIntForUser(cr, Settings.Secure.LOCATION_PREVIOUS_MODE,
6081                    LOCATION_MODE_HIGH_ACCURACY, userId);
6082            // Make sure that the previous mode is never "off". Otherwise the user won't be able to
6083            // turn on location any longer.
6084            if (mode == LOCATION_MODE_OFF) {
6085                mode = LOCATION_MODE_HIGH_ACCURACY;
6086            }
6087            return setLocationModeForUser(cr, mode, userId);
6088        }
6089
6090        /**
6091         * Thread-safe method for setting the location mode to one of
6092         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6093         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6094         *
6095         * @param cr the content resolver to use
6096         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
6097         * @param userId the userId for which to change mode
6098         * @return true if the value was set, false on database errors
6099         *
6100         * @throws IllegalArgumentException if mode is not one of the supported values
6101         */
6102        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
6103                int userId) {
6104            synchronized (mLocationSettingsLock) {
6105                boolean gps = false;
6106                boolean network = false;
6107                switch (mode) {
6108                    case LOCATION_MODE_PREVIOUS:
6109                        // Retrieve the actual mode and set to that mode.
6110                        return restoreLocationModeForUser(cr, userId);
6111                    case LOCATION_MODE_OFF:
6112                        saveLocationModeForUser(cr, userId);
6113                        break;
6114                    case LOCATION_MODE_SENSORS_ONLY:
6115                        gps = true;
6116                        break;
6117                    case LOCATION_MODE_BATTERY_SAVING:
6118                        network = true;
6119                        break;
6120                    case LOCATION_MODE_HIGH_ACCURACY:
6121                        gps = true;
6122                        network = true;
6123                        break;
6124                    default:
6125                        throw new IllegalArgumentException("Invalid location mode: " + mode);
6126                }
6127                // Note it's important that we set the NLP mode first. The Google implementation
6128                // of NLP clears its NLP consent setting any time it receives a
6129                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
6130                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
6131                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
6132                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
6133                // and 3) the receiver happened to complete before we enabled NLP, then the Google
6134                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
6135                // dialog. Then the people who wrote the setup wizard would be sad.
6136                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6137                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
6138                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
6139                        cr, LocationManager.GPS_PROVIDER, gps, userId);
6140                return gpsSuccess && nlpSuccess;
6141            }
6142        }
6143
6144        /**
6145         * Thread-safe method for reading the location mode, returns one of
6146         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
6147         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
6148         *
6149         * @param cr the content resolver to use
6150         * @param userId the userId for which to read the mode
6151         * @return the location mode
6152         */
6153        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
6154            synchronized (mLocationSettingsLock) {
6155                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6156                        cr, LocationManager.GPS_PROVIDER, userId);
6157                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
6158                        cr, LocationManager.NETWORK_PROVIDER, userId);
6159                if (gpsEnabled && networkEnabled) {
6160                    return LOCATION_MODE_HIGH_ACCURACY;
6161                } else if (gpsEnabled) {
6162                    return LOCATION_MODE_SENSORS_ONLY;
6163                } else if (networkEnabled) {
6164                    return LOCATION_MODE_BATTERY_SAVING;
6165                } else {
6166                    return LOCATION_MODE_OFF;
6167                }
6168            }
6169        }
6170    }
6171
6172    /**
6173     * Global system settings, containing preferences that always apply identically
6174     * to all defined users.  Applications can read these but are not allowed to write;
6175     * like the "Secure" settings, these are for preferences that the user must
6176     * explicitly modify through the system UI or specialized APIs for those values.
6177     */
6178    public static final class Global extends NameValueTable {
6179        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
6180
6181        /**
6182         * The content:// style URL for global secure settings items.  Not public.
6183         */
6184        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
6185
6186        /**
6187         * Whether users are allowed to add more users or guest from lockscreen.
6188         * <p>
6189         * Type: int
6190         * @hide
6191         */
6192        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
6193
6194        /**
6195         * Setting whether the global gesture for enabling accessibility is enabled.
6196         * If this gesture is enabled the user will be able to perfrom it to enable
6197         * the accessibility state without visiting the settings app.
6198         * @hide
6199         */
6200        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
6201                "enable_accessibility_global_gesture_enabled";
6202
6203        /**
6204         * Whether Airplane Mode is on.
6205         */
6206        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
6207
6208        /**
6209         * Whether Theater Mode is on.
6210         * {@hide}
6211         */
6212        @SystemApi
6213        public static final String THEATER_MODE_ON = "theater_mode_on";
6214
6215        /**
6216         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
6217         */
6218        public static final String RADIO_BLUETOOTH = "bluetooth";
6219
6220        /**
6221         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
6222         */
6223        public static final String RADIO_WIFI = "wifi";
6224
6225        /**
6226         * {@hide}
6227         */
6228        public static final String RADIO_WIMAX = "wimax";
6229        /**
6230         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
6231         */
6232        public static final String RADIO_CELL = "cell";
6233
6234        /**
6235         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
6236         */
6237        public static final String RADIO_NFC = "nfc";
6238
6239        /**
6240         * A comma separated list of radios that need to be disabled when airplane mode
6241         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
6242         * included in the comma separated list.
6243         */
6244        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
6245
6246        /**
6247         * A comma separated list of radios that should to be disabled when airplane mode
6248         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
6249         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
6250         * will be turned off when entering airplane mode, but the user will be able to reenable
6251         * Wifi in the Settings app.
6252         *
6253         * {@hide}
6254         */
6255        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
6256
6257        /**
6258         * A Long representing a bitmap of profiles that should be disabled when bluetooth starts.
6259         * See {@link android.bluetooth.BluetoothProfile}.
6260         * {@hide}
6261         */
6262        public static final String BLUETOOTH_DISABLED_PROFILES = "bluetooth_disabled_profiles";
6263
6264        /**
6265         * The policy for deciding when Wi-Fi should go to sleep (which will in
6266         * turn switch to using the mobile data as an Internet connection).
6267         * <p>
6268         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
6269         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
6270         * {@link #WIFI_SLEEP_POLICY_NEVER}.
6271         */
6272        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
6273
6274        /**
6275         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
6276         * policy, which is to sleep shortly after the turning off
6277         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
6278         */
6279        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
6280
6281        /**
6282         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
6283         * the device is on battery, and never go to sleep when the device is
6284         * plugged in.
6285         */
6286        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
6287
6288        /**
6289         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
6290         */
6291        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
6292
6293        /**
6294         * Value to specify if the user prefers the date, time and time zone
6295         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6296         */
6297        public static final String AUTO_TIME = "auto_time";
6298
6299        /**
6300         * Value to specify if the user prefers the time zone
6301         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
6302         */
6303        public static final String AUTO_TIME_ZONE = "auto_time_zone";
6304
6305        /**
6306         * URI for the car dock "in" event sound.
6307         * @hide
6308         */
6309        public static final String CAR_DOCK_SOUND = "car_dock_sound";
6310
6311        /**
6312         * URI for the car dock "out" event sound.
6313         * @hide
6314         */
6315        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
6316
6317        /**
6318         * URI for the desk dock "in" event sound.
6319         * @hide
6320         */
6321        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
6322
6323        /**
6324         * URI for the desk dock "out" event sound.
6325         * @hide
6326         */
6327        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
6328
6329        /**
6330         * Whether to play a sound for dock events.
6331         * @hide
6332         */
6333        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
6334
6335        /**
6336         * URI for the "device locked" (keyguard shown) sound.
6337         * @hide
6338         */
6339        public static final String LOCK_SOUND = "lock_sound";
6340
6341        /**
6342         * URI for the "device unlocked" sound.
6343         * @hide
6344         */
6345        public static final String UNLOCK_SOUND = "unlock_sound";
6346
6347        /**
6348         * URI for the "device is trusted" sound, which is played when the device enters the trusted
6349         * state without unlocking.
6350         * @hide
6351         */
6352        public static final String TRUSTED_SOUND = "trusted_sound";
6353
6354        /**
6355         * URI for the low battery sound file.
6356         * @hide
6357         */
6358        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
6359
6360        /**
6361         * Whether to play a sound for low-battery alerts.
6362         * @hide
6363         */
6364        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
6365
6366        /**
6367         * URI for the "wireless charging started" sound.
6368         * @hide
6369         */
6370        public static final String WIRELESS_CHARGING_STARTED_SOUND =
6371                "wireless_charging_started_sound";
6372
6373        /**
6374         * Whether to play a sound for charging events.
6375         * @hide
6376         */
6377        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
6378
6379        /**
6380         * Whether we keep the device on while the device is plugged in.
6381         * Supported values are:
6382         * <ul>
6383         * <li>{@code 0} to never stay on while plugged in</li>
6384         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
6385         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
6386         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
6387         * </ul>
6388         * These values can be OR-ed together.
6389         */
6390        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
6391
6392        /**
6393         * When the user has enable the option to have a "bug report" command
6394         * in the power menu.
6395         * @hide
6396         */
6397        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
6398
6399        /**
6400         * Whether ADB is enabled.
6401         */
6402        public static final String ADB_ENABLED = "adb_enabled";
6403
6404        /**
6405         * Whether Views are allowed to save their attribute data.
6406         * @hide
6407         */
6408        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6409
6410        /**
6411         * Whether assisted GPS should be enabled or not.
6412         * @hide
6413         */
6414        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6415
6416        /**
6417         * Whether bluetooth is enabled/disabled
6418         * 0=disabled. 1=enabled.
6419         */
6420        public static final String BLUETOOTH_ON = "bluetooth_on";
6421
6422        /**
6423         * CDMA Cell Broadcast SMS
6424         *                            0 = CDMA Cell Broadcast SMS disabled
6425         *                            1 = CDMA Cell Broadcast SMS enabled
6426         * @hide
6427         */
6428        public static final String CDMA_CELL_BROADCAST_SMS =
6429                "cdma_cell_broadcast_sms";
6430
6431        /**
6432         * The CDMA roaming mode 0 = Home Networks, CDMA default
6433         *                       1 = Roaming on Affiliated networks
6434         *                       2 = Roaming on any networks
6435         * @hide
6436         */
6437        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6438
6439        /**
6440         * The CDMA subscription mode 0 = RUIM/SIM (default)
6441         *                                1 = NV
6442         * @hide
6443         */
6444        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6445
6446        /** Inactivity timeout to track mobile data activity.
6447        *
6448        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6449        * infer the data activity of mobile network. After a period of no activity on mobile
6450        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6451        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6452        * subsequent activity on mobile networks triggers the firing of {@code
6453        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6454        *
6455        * Network activity refers to transmitting or receiving data on the network interfaces.
6456        *
6457        * Tracking is disabled if set to zero or negative value.
6458        *
6459        * @hide
6460        */
6461       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6462
6463       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6464        * but for Wifi network.
6465        * @hide
6466        */
6467       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6468
6469       /**
6470        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6471        */
6472       public static final String DATA_ROAMING = "data_roaming";
6473
6474       /**
6475        * The value passed to a Mobile DataConnection via bringUp which defines the
6476        * number of retries to preform when setting up the initial connection. The default
6477        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6478        * @hide
6479        */
6480       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6481
6482       /**
6483        * Whether any package can be on external storage. When this is true, any
6484        * package, regardless of manifest values, is a candidate for installing
6485        * or moving onto external storage. (0 = false, 1 = true)
6486        * @hide
6487        */
6488       public static final String FORCE_ALLOW_ON_EXTERNAL = "force_allow_on_external";
6489
6490        /**
6491         * Whether any activity can be resized. When this is true, any
6492         * activity, regardless of manifest values, can be resized for multi-window.
6493         * (0 = false, 1 = true)
6494         * @hide
6495         */
6496        public static final String DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES
6497                = "force_resizable_activities";
6498
6499        /**
6500         * Whether to enable experimental freeform support for windows.
6501         * @hide
6502         */
6503        public static final String DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT
6504                = "enable_freeform_support";
6505
6506       /**
6507        * Whether user has enabled development settings.
6508        */
6509       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6510
6511       /**
6512        * Whether the device has been provisioned (0 = false, 1 = true).
6513        * <p>On a multiuser device with a separate system user, the screen may be locked
6514        * as soon as this is set to true and further activities cannot be launched on the
6515        * system user unless they are marked to show over keyguard.
6516        */
6517       public static final String DEVICE_PROVISIONED = "device_provisioned";
6518
6519       /**
6520        * The saved value for WindowManagerService.setForcedDisplayDensity().
6521        * One integer in dpi.  If unset, then use the real display density.
6522        * @hide
6523        */
6524       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6525
6526       /**
6527        * The saved value for WindowManagerService.setForcedDisplaySize().
6528        * Two integers separated by a comma.  If unset, then use the real display size.
6529        * @hide
6530        */
6531       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6532
6533       /**
6534        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6535        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6536        * @hide
6537        */
6538       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6539
6540       /**
6541        * The maximum size, in bytes, of a download that the download manager will transfer over
6542        * a non-wifi connection.
6543        * @hide
6544        */
6545       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6546               "download_manager_max_bytes_over_mobile";
6547
6548       /**
6549        * The recommended maximum size, in bytes, of a download that the download manager should
6550        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6551        * have the option to start the download over the mobile connection anyway.
6552        * @hide
6553        */
6554       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6555               "download_manager_recommended_max_bytes_over_mobile";
6556
6557       /**
6558        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6559        */
6560       @Deprecated
6561       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6562
6563       /**
6564        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6565        * sent or processed. (0 = false, 1 = true)
6566        * @hide
6567        */
6568       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6569
6570       /**
6571        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6572        * and the output is redirected to AV Receiver connected via
6573        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6574        * @hide
6575        */
6576       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6577
6578       /**
6579        * Whether TV will automatically turn on upon reception of the CEC command
6580        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6581        * @hide
6582        */
6583       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6584               "hdmi_control_auto_wakeup_enabled";
6585
6586       /**
6587        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6588        * (0 = false, 1 = true)
6589        * @hide
6590        */
6591       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6592               "hdmi_control_auto_device_off_enabled";
6593
6594       /**
6595        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6596        * client.
6597        * (0 = false, 1 = true)
6598        * @hide
6599        */
6600       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6601
6602       /**
6603        * Whether TV will switch to MHL port when a mobile device is plugged in.
6604        * (0 = false, 1 = true)
6605        * @hide
6606        */
6607       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6608
6609       /**
6610        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6611        * @hide
6612        */
6613       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6614
6615       /**
6616        * Whether mobile data connections are allowed by the user.  See
6617        * ConnectivityManager for more info.
6618        * @hide
6619        */
6620       public static final String MOBILE_DATA = "mobile_data";
6621
6622       /**
6623        * Whether the mobile data connection should remain active even when higher
6624        * priority networks like WiFi are active, to help make network switching faster.
6625        *
6626        * See ConnectivityService for more info.
6627        *
6628        * (0 = disabled, 1 = enabled)
6629        * @hide
6630        */
6631       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6632
6633       /** {@hide} */
6634       public static final String NETSTATS_ENABLED = "netstats_enabled";
6635       /** {@hide} */
6636       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6637       /** {@hide} */
6638       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6639       /** {@hide} */
6640       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6641       /** {@hide} */
6642       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6643
6644       /** {@hide} */
6645       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6646       /** {@hide} */
6647       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6648       /** {@hide} */
6649       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6650       /** {@hide} */
6651       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6652
6653       /** {@hide} */
6654       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6655       /** {@hide} */
6656       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6657       /** {@hide} */
6658       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6659       /** {@hide} */
6660       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6661
6662       /** {@hide} */
6663       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6664       /** {@hide} */
6665       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6666       /** {@hide} */
6667       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6668       /** {@hide} */
6669       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6670
6671       /**
6672        * User preference for which network(s) should be used. Only the
6673        * connectivity service should touch this.
6674        */
6675       public static final String NETWORK_PREFERENCE = "network_preference";
6676
6677       /**
6678        * Which package name to use for network scoring. If null, or if the package is not a valid
6679        * scorer app, external network scores will neither be requested nor accepted.
6680        * @hide
6681        */
6682       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6683
6684       /**
6685        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6686        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6687        * exceeded.
6688        * @hide
6689        */
6690       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6691
6692       /**
6693        * The length of time in milli-seconds that automatic small adjustments to
6694        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6695        * @hide
6696        */
6697       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6698
6699       /** Preferred NTP server. {@hide} */
6700       public static final String NTP_SERVER = "ntp_server";
6701       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6702       public static final String NTP_TIMEOUT = "ntp_timeout";
6703
6704       /** {@hide} */
6705       public static final String STORAGE_BENCHMARK_INTERVAL = "storage_benchmark_interval";
6706
6707       /**
6708        * Whether the package manager should send package verification broadcasts for verifiers to
6709        * review apps prior to installation.
6710        * 1 = request apps to be verified prior to installation, if a verifier exists.
6711        * 0 = do not verify apps before installation
6712        * @hide
6713        */
6714       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6715
6716       /** Timeout for package verification.
6717        * @hide */
6718       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6719
6720       /** Default response code for package verification.
6721        * @hide */
6722       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6723
6724       /**
6725        * Show package verification setting in the Settings app.
6726        * 1 = show (default)
6727        * 0 = hide
6728        * @hide
6729        */
6730       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6731
6732       /**
6733        * Run package verification on apps installed through ADB/ADT/USB
6734        * 1 = perform package verification on ADB installs (default)
6735        * 0 = bypass package verification on ADB installs
6736        * @hide
6737        */
6738       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6739
6740       /**
6741        * Time since last fstrim (milliseconds) after which we force one to happen
6742        * during device startup.  If unset, the default is 3 days.
6743        * @hide
6744        */
6745       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6746
6747       /**
6748        * The interval in milliseconds at which to check packet counts on the
6749        * mobile data interface when screen is on, to detect possible data
6750        * connection problems.
6751        * @hide
6752        */
6753       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6754               "pdp_watchdog_poll_interval_ms";
6755
6756       /**
6757        * The interval in milliseconds at which to check packet counts on the
6758        * mobile data interface when screen is off, to detect possible data
6759        * connection problems.
6760        * @hide
6761        */
6762       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6763               "pdp_watchdog_long_poll_interval_ms";
6764
6765       /**
6766        * The interval in milliseconds at which to check packet counts on the
6767        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6768        * outgoing packets has been reached without incoming packets.
6769        * @hide
6770        */
6771       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6772               "pdp_watchdog_error_poll_interval_ms";
6773
6774       /**
6775        * The number of outgoing packets sent without seeing an incoming packet
6776        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6777        * device is logged to the event log
6778        * @hide
6779        */
6780       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6781               "pdp_watchdog_trigger_packet_count";
6782
6783       /**
6784        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6785        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6786        * attempting data connection recovery.
6787        * @hide
6788        */
6789       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6790               "pdp_watchdog_error_poll_count";
6791
6792       /**
6793        * The number of failed PDP reset attempts before moving to something more
6794        * drastic: re-registering to the network.
6795        * @hide
6796        */
6797       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6798               "pdp_watchdog_max_pdp_reset_fail_count";
6799
6800       /**
6801        * A positive value indicates how often the SamplingProfiler
6802        * should take snapshots. Zero value means SamplingProfiler
6803        * is disabled.
6804        *
6805        * @hide
6806        */
6807       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6808
6809       /**
6810        * URL to open browser on to allow user to manage a prepay account
6811        * @hide
6812        */
6813       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6814               "setup_prepaid_data_service_url";
6815
6816       /**
6817        * URL to attempt a GET on to see if this is a prepay device
6818        * @hide
6819        */
6820       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6821               "setup_prepaid_detection_target_url";
6822
6823       /**
6824        * Host to check for a redirect to after an attempt to GET
6825        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6826        * this is a prepaid device with zero balance.)
6827        * @hide
6828        */
6829       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6830               "setup_prepaid_detection_redir_host";
6831
6832       /**
6833        * The interval in milliseconds at which to check the number of SMS sent out without asking
6834        * for use permit, to limit the un-authorized SMS usage.
6835        *
6836        * @hide
6837        */
6838       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6839               "sms_outgoing_check_interval_ms";
6840
6841       /**
6842        * The number of outgoing SMS sent without asking for user permit (of {@link
6843        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6844        *
6845        * @hide
6846        */
6847       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6848               "sms_outgoing_check_max_count";
6849
6850       /**
6851        * Used to disable SMS short code confirmation - defaults to true.
6852        * True indcates we will do the check, etc.  Set to false to disable.
6853        * @see com.android.internal.telephony.SmsUsageMonitor
6854        * @hide
6855        */
6856       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6857
6858        /**
6859         * Used to select which country we use to determine premium sms codes.
6860         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6861         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6862         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6863         * @hide
6864         */
6865        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6866
6867       /**
6868        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6869        * @hide
6870        */
6871       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6872
6873       /**
6874        * Used to disable Tethering on a device - defaults to true
6875        * @hide
6876        */
6877       public static final String TETHER_SUPPORTED = "tether_supported";
6878
6879       /**
6880        * Used to require DUN APN on the device or not - defaults to a build config value
6881        * which defaults to false
6882        * @hide
6883        */
6884       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6885
6886       /**
6887        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6888        * corresponding build config values are set it will override the APN DB
6889        * values.
6890        * Consists of a comma seperated list of strings:
6891        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6892        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6893        * @hide
6894        */
6895       public static final String TETHER_DUN_APN = "tether_dun_apn";
6896
6897       /**
6898        * USB Mass Storage Enabled
6899        */
6900       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6901
6902       /**
6903        * If this setting is set (to anything), then all references
6904        * to Gmail on the device must change to Google Mail.
6905        */
6906       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6907
6908        /**
6909         * Webview Data reduction proxy key.
6910         * @hide
6911         */
6912        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6913                "webview_data_reduction_proxy_key";
6914
6915       /**
6916        * Whether Wifi display is enabled/disabled
6917        * 0=disabled. 1=enabled.
6918        * @hide
6919        */
6920       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6921
6922       /**
6923        * Whether Wifi display certification mode is enabled/disabled
6924        * 0=disabled. 1=enabled.
6925        * @hide
6926        */
6927       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6928               "wifi_display_certification_on";
6929
6930       /**
6931        * WPS Configuration method used by Wifi display, this setting only
6932        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6933        *
6934        * Possible values are:
6935        *
6936        * WpsInfo.INVALID: use default WPS method chosen by framework
6937        * WpsInfo.PBC    : use Push button
6938        * WpsInfo.KEYPAD : use Keypad
6939        * WpsInfo.DISPLAY: use Display
6940        * @hide
6941        */
6942       public static final String WIFI_DISPLAY_WPS_CONFIG =
6943           "wifi_display_wps_config";
6944
6945       /**
6946        * Whether to notify the user of open networks.
6947        * <p>
6948        * If not connected and the scan results have an open network, we will
6949        * put this notification up. If we attempt to connect to a network or
6950        * the open network(s) disappear, we remove the notification. When we
6951        * show the notification, we will not show it again for
6952        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6953        */
6954       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6955               "wifi_networks_available_notification_on";
6956       /**
6957        * {@hide}
6958        */
6959       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6960               "wimax_networks_available_notification_on";
6961
6962       /**
6963        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6964        * Connecting to a network will reset the timer.
6965        */
6966       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6967               "wifi_networks_available_repeat_delay";
6968
6969       /**
6970        * 802.11 country code in ISO 3166 format
6971        * @hide
6972        */
6973       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6974
6975       /**
6976        * The interval in milliseconds to issue wake up scans when wifi needs
6977        * to connect. This is necessary to connect to an access point when
6978        * device is on the move and the screen is off.
6979        * @hide
6980        */
6981       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6982               "wifi_framework_scan_interval_ms";
6983
6984       /**
6985        * The interval in milliseconds after which Wi-Fi is considered idle.
6986        * When idle, it is possible for the device to be switched from Wi-Fi to
6987        * the mobile data network.
6988        * @hide
6989        */
6990       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6991
6992       /**
6993        * When the number of open networks exceeds this number, the
6994        * least-recently-used excess networks will be removed.
6995        */
6996       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6997
6998       /**
6999        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
7000        */
7001       public static final String WIFI_ON = "wifi_on";
7002
7003       /**
7004        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
7005        * @hide
7006        */
7007       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
7008                "wifi_scan_always_enabled";
7009
7010       /**
7011        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
7012        * connectivity.
7013        * @hide
7014        */
7015       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
7016               "ble_scan_always_enabled";
7017
7018       /**
7019        * Used to save the Wifi_ON state prior to tethering.
7020        * This state will be checked to restore Wifi after
7021        * the user turns off tethering.
7022        *
7023        * @hide
7024        */
7025       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
7026
7027       /**
7028        * The interval in milliseconds to scan as used by the wifi supplicant
7029        * @hide
7030        */
7031       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
7032               "wifi_supplicant_scan_interval_ms";
7033
7034        /**
7035         * whether frameworks handles wifi auto-join
7036         * @hide
7037         */
7038       public static final String WIFI_ENHANCED_AUTO_JOIN =
7039                "wifi_enhanced_auto_join";
7040
7041        /**
7042         * whether settings show RSSI
7043         * @hide
7044         */
7045        public static final String WIFI_NETWORK_SHOW_RSSI =
7046                "wifi_network_show_rssi";
7047
7048        /**
7049        * The interval in milliseconds to scan at supplicant when p2p is connected
7050        * @hide
7051        */
7052       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
7053               "wifi_scan_interval_p2p_connected_ms";
7054
7055       /**
7056        * Whether the Wi-Fi watchdog is enabled.
7057        */
7058       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
7059
7060       /**
7061        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
7062        * the setting needs to be set to 0 to disable it.
7063        * @hide
7064        */
7065       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
7066               "wifi_watchdog_poor_network_test_enabled";
7067
7068       /**
7069        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
7070        * needs to be set to 0 to disable it.
7071        * @hide
7072        */
7073       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
7074               "wifi_suspend_optimizations_enabled";
7075
7076       /**
7077        * The maximum number of times we will retry a connection to an access
7078        * point for which we have failed in acquiring an IP address from DHCP.
7079        * A value of N means that we will make N+1 connection attempts in all.
7080        */
7081       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
7082
7083       /**
7084        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
7085        * data connectivity to be established after a disconnect from Wi-Fi.
7086        */
7087       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
7088           "wifi_mobile_data_transition_wakelock_timeout_ms";
7089
7090       /**
7091        * This setting controls whether WiFi configurations created by a Device Owner app
7092        * should be locked down (that is, be editable or removable only by the Device Owner App,
7093        * not even by Settings app).
7094        * This setting takes integer values. Non-zero values mean DO created configurations
7095        * are locked down. Value of zero means they are not. Default value in the absence of
7096        * actual value to this setting is 0.
7097        */
7098       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
7099               "wifi_device_owner_configs_lockdown";
7100
7101       /**
7102        * The operational wifi frequency band
7103        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
7104        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
7105        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
7106        *
7107        * @hide
7108        */
7109       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
7110
7111       /**
7112        * The Wi-Fi peer-to-peer device name
7113        * @hide
7114        */
7115       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
7116
7117       /**
7118        * The min time between wifi disable and wifi enable
7119        * @hide
7120        */
7121       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
7122
7123       /**
7124        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
7125        * from an ephemeral network if there is no BSSID for that network with a non-null score that
7126        * has been seen in this time period.
7127        *
7128        * If this is less than or equal to zero, we use a more conservative behavior and only check
7129        * for a non-null score from the currently connected or target BSSID.
7130        * @hide
7131        */
7132       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
7133               "wifi_ephemeral_out_of_range_timeout_ms";
7134
7135       /**
7136        * The number of milliseconds to delay when checking for data stalls during
7137        * non-aggressive detection. (screen is turned off.)
7138        * @hide
7139        */
7140       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
7141               "data_stall_alarm_non_aggressive_delay_in_ms";
7142
7143       /**
7144        * The number of milliseconds to delay when checking for data stalls during
7145        * aggressive detection. (screen on or suspected data stall)
7146        * @hide
7147        */
7148       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
7149               "data_stall_alarm_aggressive_delay_in_ms";
7150
7151       /**
7152        * The number of milliseconds to allow the provisioning apn to remain active
7153        * @hide
7154        */
7155       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
7156               "provisioning_apn_alarm_delay_in_ms";
7157
7158       /**
7159        * The interval in milliseconds at which to check gprs registration
7160        * after the first registration mismatch of gprs and voice service,
7161        * to detect possible data network registration problems.
7162        *
7163        * @hide
7164        */
7165       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
7166               "gprs_register_check_period_ms";
7167
7168       /**
7169        * Nonzero causes Log.wtf() to crash.
7170        * @hide
7171        */
7172       public static final String WTF_IS_FATAL = "wtf_is_fatal";
7173
7174       /**
7175        * Ringer mode. This is used internally, changing this value will not
7176        * change the ringer mode. See AudioManager.
7177        */
7178       public static final String MODE_RINGER = "mode_ringer";
7179
7180       /**
7181        * Overlay display devices setting.
7182        * The associated value is a specially formatted string that describes the
7183        * size and density of simulated secondary display devices.
7184        * <p>
7185        * Format: {width}x{height}/{dpi};...
7186        * </p><p>
7187        * Example:
7188        * <ul>
7189        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
7190        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
7191        * at 1080p and the second at 720p.</li>
7192        * <li>If the value is empty, then no overlay display devices are created.</li>
7193        * </ul></p>
7194        *
7195        * @hide
7196        */
7197       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
7198
7199        /**
7200         * Threshold values for the duration and level of a discharge cycle,
7201         * under which we log discharge cycle info.
7202         *
7203         * @hide
7204         */
7205        public static final String
7206                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
7207
7208        /** @hide */
7209        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
7210
7211        /**
7212         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
7213         * intents on application crashes and ANRs. If this is disabled, the
7214         * crash/ANR dialog will never display the "Report" button.
7215         * <p>
7216         * Type: int (0 = disallow, 1 = allow)
7217         *
7218         * @hide
7219         */
7220        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
7221
7222        /**
7223         * Maximum age of entries kept by {@link DropBoxManager}.
7224         *
7225         * @hide
7226         */
7227        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
7228
7229        /**
7230         * Maximum number of entry files which {@link DropBoxManager} will keep
7231         * around.
7232         *
7233         * @hide
7234         */
7235        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
7236
7237        /**
7238         * Maximum amount of disk space used by {@link DropBoxManager} no matter
7239         * what.
7240         *
7241         * @hide
7242         */
7243        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
7244
7245        /**
7246         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
7247         * will use.
7248         *
7249         * @hide
7250         */
7251        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
7252
7253        /**
7254         * Percent of total disk which {@link DropBoxManager} will never dip
7255         * into.
7256         *
7257         * @hide
7258         */
7259        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
7260
7261        /**
7262         * Prefix for per-tag dropbox disable/enable settings.
7263         *
7264         * @hide
7265         */
7266        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
7267
7268        /**
7269         * Lines of logcat to include with system crash/ANR/etc. reports, as a
7270         * prefix of the dropbox tag of the report type. For example,
7271         * "logcat_for_system_server_anr" controls the lines of logcat captured
7272         * with system server ANR reports. 0 to disable.
7273         *
7274         * @hide
7275         */
7276        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
7277
7278        /**
7279         * The interval in minutes after which the amount of free storage left
7280         * on the device is logged to the event log
7281         *
7282         * @hide
7283         */
7284        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
7285
7286        /**
7287         * Threshold for the amount of change in disk free space required to
7288         * report the amount of free space. Used to prevent spamming the logs
7289         * when the disk free space isn't changing frequently.
7290         *
7291         * @hide
7292         */
7293        public static final String
7294                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
7295
7296        /**
7297         * Minimum percentage of free storage on the device that is used to
7298         * determine if the device is running low on storage. The default is 10.
7299         * <p>
7300         * Say this value is set to 10, the device is considered running low on
7301         * storage if 90% or more of the device storage is filled up.
7302         *
7303         * @hide
7304         */
7305        public static final String
7306                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
7307
7308        /**
7309         * Maximum byte size of the low storage threshold. This is to ensure
7310         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
7311         * overly large threshold for large storage devices. Currently this must
7312         * be less than 2GB. This default is 500MB.
7313         *
7314         * @hide
7315         */
7316        public static final String
7317                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
7318
7319        /**
7320         * Minimum bytes of free storage on the device before the data partition
7321         * is considered full. By default, 1 MB is reserved to avoid system-wide
7322         * SQLite disk full exceptions.
7323         *
7324         * @hide
7325         */
7326        public static final String
7327                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
7328
7329        /**
7330         * The maximum reconnect delay for short network outages or when the
7331         * network is suspended due to phone use.
7332         *
7333         * @hide
7334         */
7335        public static final String
7336                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
7337
7338        /**
7339         * The number of milliseconds to delay before sending out
7340         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
7341         *
7342         * @hide
7343         */
7344        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
7345
7346
7347        /**
7348         * Network sampling interval, in seconds. We'll generate link information
7349         * about bytes/packets sent and error rates based on data sampled in this interval
7350         *
7351         * @hide
7352         */
7353
7354        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
7355                "connectivity_sampling_interval_in_seconds";
7356
7357        /**
7358         * The series of successively longer delays used in retrying to download PAC file.
7359         * Last delay is used between successful PAC downloads.
7360         *
7361         * @hide
7362         */
7363        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
7364
7365        /**
7366         * Setting to turn off captive portal detection. Feature is enabled by
7367         * default and the setting needs to be set to 0 to disable it.
7368         *
7369         * @hide
7370         */
7371        public static final String
7372                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
7373
7374        /**
7375         * The server used for captive portal detection upon a new conection. A
7376         * 204 response code from the server is used for validation.
7377         *
7378         * @hide
7379         */
7380        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
7381
7382        /**
7383         * Whether network service discovery is enabled.
7384         *
7385         * @hide
7386         */
7387        public static final String NSD_ON = "nsd_on";
7388
7389        /**
7390         * Let user pick default install location.
7391         *
7392         * @hide
7393         */
7394        public static final String SET_INSTALL_LOCATION = "set_install_location";
7395
7396        /**
7397         * Default install location value.
7398         * 0 = auto, let system decide
7399         * 1 = internal
7400         * 2 = sdcard
7401         * @hide
7402         */
7403        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
7404
7405        /**
7406         * ms during which to consume extra events related to Inet connection
7407         * condition after a transtion to fully-connected
7408         *
7409         * @hide
7410         */
7411        public static final String
7412                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
7413
7414        /**
7415         * ms during which to consume extra events related to Inet connection
7416         * condtion after a transtion to partly-connected
7417         *
7418         * @hide
7419         */
7420        public static final String
7421                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
7422
7423        /** {@hide} */
7424        public static final String
7425                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
7426
7427        /**
7428         * Host name and port for global http proxy. Uses ':' seperator for
7429         * between host and port.
7430         */
7431        public static final String HTTP_PROXY = "http_proxy";
7432
7433        /**
7434         * Host name for global http proxy. Set via ConnectivityManager.
7435         *
7436         * @hide
7437         */
7438        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7439
7440        /**
7441         * Integer host port for global http proxy. Set via ConnectivityManager.
7442         *
7443         * @hide
7444         */
7445        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7446
7447        /**
7448         * Exclusion list for global proxy. This string contains a list of
7449         * comma-separated domains where the global proxy does not apply.
7450         * Domains should be listed in a comma- separated list. Example of
7451         * acceptable formats: ".domain1.com,my.domain2.com" Use
7452         * ConnectivityManager to set/get.
7453         *
7454         * @hide
7455         */
7456        public static final String
7457                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7458
7459        /**
7460         * The location PAC File for the proxy.
7461         * @hide
7462         */
7463        public static final String
7464                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7465
7466        /**
7467         * Enables the UI setting to allow the user to specify the global HTTP
7468         * proxy and associated exclusion list.
7469         *
7470         * @hide
7471         */
7472        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7473
7474        /**
7475         * Setting for default DNS in case nobody suggests one
7476         *
7477         * @hide
7478         */
7479        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7480
7481        /** {@hide} */
7482        public static final String
7483                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7484        /** {@hide} */
7485        public static final String
7486                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7487        /** {@hide} */
7488        public static final String
7489                BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX = "bluetooth_a2dp_src_priority_";
7490        /** {@hide} */
7491        public static final String
7492                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7493        /** {@hide} */
7494        public static final String
7495                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7496        /** {@hide} */
7497        public static final String
7498                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7499
7500        /**
7501         * Device Idle (Doze) specific settings.
7502         * This is encoded as a key=value list, separated by commas. Ex:
7503         *
7504         * "inactive_timeout=60000,sensing_timeout=400000"
7505         *
7506         * The following keys are supported:
7507         *
7508         * <pre>
7509         * inactive_to                      (long)
7510         * sensing_to                       (long)
7511         * motion_inactive_to               (long)
7512         * idle_after_inactive_to           (long)
7513         * idle_pending_to                  (long)
7514         * max_idle_pending_to              (long)
7515         * idle_pending_factor              (float)
7516         * idle_to                          (long)
7517         * max_idle_to                      (long)
7518         * idle_factor                      (float)
7519         * min_time_to_alarm                (long)
7520         * max_temp_app_whitelist_duration  (long)
7521         * </pre>
7522         *
7523         * <p>
7524         * Type: string
7525         * @hide
7526         * @see com.android.server.DeviceIdleController.Constants
7527         */
7528        public static final String DEVICE_IDLE_CONSTANTS = "device_idle_constants";
7529
7530        /**
7531         * App standby (app idle) specific settings.
7532         * This is encoded as a key=value list, separated by commas. Ex:
7533         *
7534         * "idle_duration=5000,parole_interval=4500"
7535         *
7536         * The following keys are supported:
7537         *
7538         * <pre>
7539         * idle_duration2       (long)
7540         * wallclock_threshold  (long)
7541         * parole_interval      (long)
7542         * parole_duration      (long)
7543         *
7544         * idle_duration        (long) // This is deprecated and used to circumvent b/26355386.
7545         * </pre>
7546         *
7547         * <p>
7548         * Type: string
7549         * @hide
7550         * @see com.android.server.usage.UsageStatsService.SettingsObserver
7551         */
7552        public static final String APP_IDLE_CONSTANTS = "app_idle_constants";
7553
7554        /**
7555         * Alarm manager specific settings.
7556         * This is encoded as a key=value list, separated by commas. Ex:
7557         *
7558         * "min_futurity=5000,allow_while_idle_short_time=4500"
7559         *
7560         * The following keys are supported:
7561         *
7562         * <pre>
7563         * min_futurity                         (long)
7564         * min_interval                         (long)
7565         * allow_while_idle_short_time          (long)
7566         * allow_while_idle_long_time           (long)
7567         * allow_while_idle_whitelist_duration  (long)
7568         * </pre>
7569         *
7570         * <p>
7571         * Type: string
7572         * @hide
7573         * @see com.android.server.AlarmManagerService.Constants
7574         */
7575        public static final String ALARM_MANAGER_CONSTANTS = "alarm_manager_constants";
7576
7577        /**
7578         * Get the key that retrieves a bluetooth headset's priority.
7579         * @hide
7580         */
7581        public static final String getBluetoothHeadsetPriorityKey(String address) {
7582            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7583        }
7584
7585        /**
7586         * Get the key that retrieves a bluetooth a2dp sink's priority.
7587         * @hide
7588         */
7589        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7590            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7591        }
7592
7593        /**
7594         * Get the key that retrieves a bluetooth a2dp src's priority.
7595         * @hide
7596         */
7597        public static final String getBluetoothA2dpSrcPriorityKey(String address) {
7598            return BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7599        }
7600
7601        /**
7602         * Get the key that retrieves a bluetooth Input Device's priority.
7603         * @hide
7604         */
7605        public static final String getBluetoothInputDevicePriorityKey(String address) {
7606            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7607        }
7608
7609        /**
7610         * Get the key that retrieves a bluetooth map priority.
7611         * @hide
7612         */
7613        public static final String getBluetoothMapPriorityKey(String address) {
7614            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7615        }
7616
7617        /**
7618         * Get the key that retrieves a bluetooth map priority.
7619         * @hide
7620         */
7621        public static final String getBluetoothSapPriorityKey(String address) {
7622            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7623        }
7624
7625        /**
7626         * Scaling factor for normal window animations. Setting to 0 will
7627         * disable window animations.
7628         */
7629        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7630
7631        /**
7632         * Scaling factor for activity transition animations. Setting to 0 will
7633         * disable window animations.
7634         */
7635        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7636
7637        /**
7638         * Scaling factor for Animator-based animations. This affects both the
7639         * start delay and duration of all such animations. Setting to 0 will
7640         * cause animations to end immediately. The default value is 1.
7641         */
7642        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7643
7644        /**
7645         * Scaling factor for normal window animations. Setting to 0 will
7646         * disable window animations.
7647         *
7648         * @hide
7649         */
7650        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7651
7652        /**
7653         * If 0, the compatibility mode is off for all applications.
7654         * If 1, older applications run under compatibility mode.
7655         * TODO: remove this settings before code freeze (bug/1907571)
7656         * @hide
7657         */
7658        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7659
7660        /**
7661         * CDMA only settings
7662         * Emergency Tone  0 = Off
7663         *                 1 = Alert
7664         *                 2 = Vibrate
7665         * @hide
7666         */
7667        public static final String EMERGENCY_TONE = "emergency_tone";
7668
7669        /**
7670         * CDMA only settings
7671         * Whether the auto retry is enabled. The value is
7672         * boolean (1 or 0).
7673         * @hide
7674         */
7675        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7676
7677        /**
7678         * See RIL_PreferredNetworkType in ril.h
7679         * @hide
7680         */
7681        public static final String PREFERRED_NETWORK_MODE =
7682                "preferred_network_mode";
7683
7684        /**
7685         * Name of an application package to be debugged.
7686         */
7687        public static final String DEBUG_APP = "debug_app";
7688
7689        /**
7690         * If 1, when launching DEBUG_APP it will wait for the debugger before
7691         * starting user code.  If 0, it will run normally.
7692         */
7693        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7694
7695        /**
7696         * Control whether the process CPU usage meter should be shown.
7697         */
7698        public static final String SHOW_PROCESSES = "show_processes";
7699
7700        /**
7701         * If 1 low power mode is enabled.
7702         * @hide
7703         */
7704        public static final String LOW_POWER_MODE = "low_power";
7705
7706        /**
7707         * Battery level [1-99] at which low power mode automatically turns on.
7708         * If 0, it will not automatically turn on.
7709         * @hide
7710         */
7711        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7712
7713         /**
7714         * If 1, the activity manager will aggressively finish activities and
7715         * processes as soon as they are no longer needed.  If 0, the normal
7716         * extended lifetime is used.
7717         */
7718        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7719
7720        /**
7721         * Use Dock audio output for media:
7722         *      0 = disabled
7723         *      1 = enabled
7724         * @hide
7725         */
7726        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7727
7728        /**
7729         * Persisted safe headphone volume management state by AudioService
7730         * @hide
7731         */
7732        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7733
7734        /**
7735         * URL for tzinfo (time zone) updates
7736         * @hide
7737         */
7738        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7739
7740        /**
7741         * URL for tzinfo (time zone) update metadata
7742         * @hide
7743         */
7744        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7745
7746        /**
7747         * URL for selinux (mandatory access control) updates
7748         * @hide
7749         */
7750        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7751
7752        /**
7753         * URL for selinux (mandatory access control) update metadata
7754         * @hide
7755         */
7756        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7757
7758        /**
7759         * URL for sms short code updates
7760         * @hide
7761         */
7762        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7763                "sms_short_codes_content_url";
7764
7765        /**
7766         * URL for sms short code update metadata
7767         * @hide
7768         */
7769        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7770                "sms_short_codes_metadata_url";
7771
7772        /**
7773         * URL for apn_db updates
7774         * @hide
7775         */
7776        public static final String APN_DB_UPDATE_CONTENT_URL = "apn_db_content_url";
7777
7778        /**
7779         * URL for apn_db update metadata
7780         * @hide
7781         */
7782        public static final String APN_DB_UPDATE_METADATA_URL = "apn_db_metadata_url";
7783
7784        /**
7785         * URL for cert pinlist updates
7786         * @hide
7787         */
7788        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7789
7790        /**
7791         * URL for cert pinlist updates
7792         * @hide
7793         */
7794        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7795
7796        /**
7797         * URL for intent firewall updates
7798         * @hide
7799         */
7800        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7801                "intent_firewall_content_url";
7802
7803        /**
7804         * URL for intent firewall update metadata
7805         * @hide
7806         */
7807        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7808                "intent_firewall_metadata_url";
7809
7810        /**
7811         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7812         * @hide
7813         */
7814        public static final String SELINUX_STATUS = "selinux_status";
7815
7816        /**
7817         * Developer setting to force RTL layout.
7818         * @hide
7819         */
7820        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7821
7822        /**
7823         * Milliseconds after screen-off after which low battery sounds will be silenced.
7824         *
7825         * If zero, battery sounds will always play.
7826         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7827         *
7828         * @hide
7829         */
7830        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7831
7832        /**
7833         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7834         * the caller is done with this, they should call {@link ContentResolver#delete} to
7835         * clean up any value that they may have written.
7836         *
7837         * @hide
7838         */
7839        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7840
7841        /**
7842         * Defines global runtime overrides to window policy.
7843         *
7844         * See {@link com.android.server.policy.PolicyControl} for value format.
7845         *
7846         * @hide
7847         */
7848        public static final String POLICY_CONTROL = "policy_control";
7849
7850        /**
7851         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7852         * or ZEN_MODE_NO_INTERRUPTIONS.
7853         *
7854         * @hide
7855         */
7856        public static final String ZEN_MODE = "zen_mode";
7857
7858        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7859        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7860        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7861        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7862
7863        /** @hide */ public static String zenModeToString(int mode) {
7864            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7865            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7866            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7867            return "ZEN_MODE_OFF";
7868        }
7869
7870        /** @hide */ public static boolean isValidZenMode(int value) {
7871            switch (value) {
7872                case Global.ZEN_MODE_OFF:
7873                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7874                case Global.ZEN_MODE_ALARMS:
7875                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7876                    return true;
7877                default:
7878                    return false;
7879            }
7880        }
7881
7882        /**
7883         * Value of the ringer before entering zen mode.
7884         *
7885         * @hide
7886         */
7887        public static final String ZEN_MODE_RINGER_LEVEL = "zen_mode_ringer_level";
7888
7889        /**
7890         * Opaque value, changes when persisted zen mode configuration changes.
7891         *
7892         * @hide
7893         */
7894        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7895
7896        /**
7897         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7898         *
7899         * @hide
7900         */
7901        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7902                "heads_up_notifications_enabled";
7903
7904        /** @hide */ public static final int HEADS_UP_OFF = 0;
7905        /** @hide */ public static final int HEADS_UP_ON = 1;
7906
7907        /**
7908         * The name of the device
7909         *
7910         * @hide
7911         */
7912        public static final String DEVICE_NAME = "device_name";
7913
7914        /**
7915         * Whether the NetworkScoringService has been first initialized.
7916         * <p>
7917         * Type: int (0 for false, 1 for true)
7918         * @hide
7919         */
7920        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7921
7922        /**
7923         * Whether the user wants to be prompted for password to decrypt the device on boot.
7924         * This only matters if the storage is encrypted.
7925         * <p>
7926         * Type: int (0 for false, 1 for true)
7927         * @hide
7928         */
7929        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7930
7931        /**
7932         * Whether the Volte is enabled
7933         * <p>
7934         * Type: int (0 for false, 1 for true)
7935         * @hide
7936         */
7937        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7938
7939        /**
7940         * Whether VT (Video Telephony over IMS) is enabled
7941         * <p>
7942         * Type: int (0 for false, 1 for true)
7943         *
7944         * @hide
7945         */
7946        public static final String VT_IMS_ENABLED = "vt_ims_enabled";
7947
7948        /**
7949         * Whether WFC is enabled
7950         * <p>
7951         * Type: int (0 for false, 1 for true)
7952         *
7953         * @hide
7954         */
7955        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7956
7957        /**
7958         * WFC Mode.
7959         * <p>
7960         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7961         *
7962         * @hide
7963         */
7964        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7965
7966        /**
7967         * Whether WFC roaming is enabled
7968         * <p>
7969         * Type: int (0 for false, 1 for true)
7970         *
7971         * @hide
7972         */
7973        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7974
7975        /**
7976         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7977         * this via gservices, OMA-DM, carrier app, etc.
7978         * <p>
7979         * Type: int (0 for false, 1 for true)
7980         * @hide
7981         */
7982        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7983
7984        /**
7985         * Ephemeral app cookie max size in bytes.
7986         * <p>
7987         * Type: int
7988         * @hide
7989         */
7990        public static final String EPHEMERAL_COOKIE_MAX_SIZE_BYTES =
7991                "ephemeral_cookie_max_size_bytes";
7992
7993        /**
7994         * The duration for caching uninstalled ephemeral apps.
7995         * <p>
7996         * Type: long
7997         * @hide
7998         */
7999        public static final String UNINSTALLED_EPHEMERAL_APP_CACHE_DURATION_MILLIS =
8000                "uninstalled_ephemeral_app_cache_duration_millis";
8001
8002        /**
8003         * Settings to backup. This is here so that it's in the same place as the settings
8004         * keys and easy to update.
8005         *
8006         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
8007         * and Secure as well.  This is because those tables drive both backup and
8008         * restore, and restore needs to properly whitelist keys that used to live
8009         * in those namespaces.  The keys will only actually be backed up / restored
8010         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
8011         *
8012         * NOTE: Settings are backed up and restored in the order they appear
8013         *       in this array. If you have one setting depending on another,
8014         *       make sure that they are ordered appropriately.
8015         *
8016         * @hide
8017         */
8018        public static final String[] SETTINGS_TO_BACKUP = {
8019            BUGREPORT_IN_POWER_MENU,
8020            STAY_ON_WHILE_PLUGGED_IN,
8021            AUTO_TIME,
8022            AUTO_TIME_ZONE,
8023            POWER_SOUNDS_ENABLED,
8024            DOCK_SOUNDS_ENABLED,
8025            CHARGING_SOUNDS_ENABLED,
8026            USB_MASS_STORAGE_ENABLED,
8027            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
8028            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
8029            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
8030            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
8031            WIFI_NUM_OPEN_NETWORKS_KEPT,
8032            EMERGENCY_TONE,
8033            CALL_AUTO_RETRY,
8034            DOCK_AUDIO_MEDIA_ENABLED,
8035            LOW_POWER_MODE_TRIGGER_LEVEL
8036        };
8037
8038        // Populated lazily, guarded by class object:
8039        private static NameValueCache sNameValueCache = new NameValueCache(
8040                    SYS_PROP_SETTING_VERSION,
8041                    CONTENT_URI,
8042                    CALL_METHOD_GET_GLOBAL,
8043                    CALL_METHOD_PUT_GLOBAL);
8044
8045        // Certain settings have been moved from global to the per-user secure namespace
8046        private static final HashSet<String> MOVED_TO_SECURE;
8047        static {
8048            MOVED_TO_SECURE = new HashSet<String>(1);
8049            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
8050        }
8051
8052        /** @hide */
8053        public static void getMovedToSecureSettings(Set<String> outKeySet) {
8054            outKeySet.addAll(MOVED_TO_SECURE);
8055        }
8056
8057        /**
8058         * Look up a name in the database.
8059         * @param resolver to access the database with
8060         * @param name to look up in the table
8061         * @return the corresponding value, or null if not present
8062         */
8063        public static String getString(ContentResolver resolver, String name) {
8064            return getStringForUser(resolver, name, UserHandle.myUserId());
8065        }
8066
8067        /** @hide */
8068        public static String getStringForUser(ContentResolver resolver, String name,
8069                int userHandle) {
8070            if (MOVED_TO_SECURE.contains(name)) {
8071                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8072                        + " to android.provider.Settings.Secure, returning read-only value.");
8073                return Secure.getStringForUser(resolver, name, userHandle);
8074            }
8075            return sNameValueCache.getStringForUser(resolver, name, userHandle);
8076        }
8077
8078        /**
8079         * Store a name/value pair into the database.
8080         * @param resolver to access the database with
8081         * @param name to store
8082         * @param value to associate with the name
8083         * @return true if the value was set, false on database errors
8084         */
8085        public static boolean putString(ContentResolver resolver,
8086                String name, String value) {
8087            return putStringForUser(resolver, name, value, UserHandle.myUserId());
8088        }
8089
8090        /** @hide */
8091        public static boolean putStringForUser(ContentResolver resolver,
8092                String name, String value, int userHandle) {
8093            if (LOCAL_LOGV) {
8094                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
8095                        + " for " + userHandle);
8096            }
8097            // Global and Secure have the same access policy so we can forward writes
8098            if (MOVED_TO_SECURE.contains(name)) {
8099                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
8100                        + " to android.provider.Settings.Secure, value is unchanged.");
8101                return Secure.putStringForUser(resolver, name, value, userHandle);
8102            }
8103            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
8104        }
8105
8106        /**
8107         * Construct the content URI for a particular name/value pair,
8108         * useful for monitoring changes with a ContentObserver.
8109         * @param name to look up in the table
8110         * @return the corresponding content URI, or null if not present
8111         */
8112        public static Uri getUriFor(String name) {
8113            return getUriFor(CONTENT_URI, name);
8114        }
8115
8116        /**
8117         * Convenience function for retrieving a single secure settings value
8118         * as an integer.  Note that internally setting values are always
8119         * stored as strings; this function converts the string to an integer
8120         * for you.  The default value will be returned if the setting is
8121         * not defined or not an integer.
8122         *
8123         * @param cr The ContentResolver to access.
8124         * @param name The name of the setting to retrieve.
8125         * @param def Value to return if the setting is not defined.
8126         *
8127         * @return The setting's current value, or 'def' if it is not defined
8128         * or not a valid integer.
8129         */
8130        public static int getInt(ContentResolver cr, String name, int def) {
8131            String v = getString(cr, name);
8132            try {
8133                return v != null ? Integer.parseInt(v) : def;
8134            } catch (NumberFormatException e) {
8135                return def;
8136            }
8137        }
8138
8139        /**
8140         * Convenience function for retrieving a single secure settings value
8141         * as an integer.  Note that internally setting values are always
8142         * stored as strings; this function converts the string to an integer
8143         * for you.
8144         * <p>
8145         * This version does not take a default value.  If the setting has not
8146         * been set, or the string value is not a number,
8147         * it throws {@link SettingNotFoundException}.
8148         *
8149         * @param cr The ContentResolver to access.
8150         * @param name The name of the setting to retrieve.
8151         *
8152         * @throws SettingNotFoundException Thrown if a setting by the given
8153         * name can't be found or the setting value is not an integer.
8154         *
8155         * @return The setting's current value.
8156         */
8157        public static int getInt(ContentResolver cr, String name)
8158                throws SettingNotFoundException {
8159            String v = getString(cr, name);
8160            try {
8161                return Integer.parseInt(v);
8162            } catch (NumberFormatException e) {
8163                throw new SettingNotFoundException(name);
8164            }
8165        }
8166
8167        /**
8168         * Convenience function for updating a single settings value as an
8169         * integer. This will either create a new entry in the table if the
8170         * given name does not exist, or modify the value of the existing row
8171         * with that name.  Note that internally setting values are always
8172         * stored as strings, so this function converts the given value to a
8173         * string before storing it.
8174         *
8175         * @param cr The ContentResolver to access.
8176         * @param name The name of the setting to modify.
8177         * @param value The new value for the setting.
8178         * @return true if the value was set, false on database errors
8179         */
8180        public static boolean putInt(ContentResolver cr, String name, int value) {
8181            return putString(cr, name, Integer.toString(value));
8182        }
8183
8184        /**
8185         * Convenience function for retrieving a single secure settings value
8186         * as a {@code long}.  Note that internally setting values are always
8187         * stored as strings; this function converts the string to a {@code long}
8188         * for you.  The default value will be returned if the setting is
8189         * not defined or not a {@code long}.
8190         *
8191         * @param cr The ContentResolver to access.
8192         * @param name The name of the setting to retrieve.
8193         * @param def Value to return if the setting is not defined.
8194         *
8195         * @return The setting's current value, or 'def' if it is not defined
8196         * or not a valid {@code long}.
8197         */
8198        public static long getLong(ContentResolver cr, String name, long def) {
8199            String valString = getString(cr, name);
8200            long value;
8201            try {
8202                value = valString != null ? Long.parseLong(valString) : def;
8203            } catch (NumberFormatException e) {
8204                value = def;
8205            }
8206            return value;
8207        }
8208
8209        /**
8210         * Convenience function for retrieving a single secure settings value
8211         * as a {@code long}.  Note that internally setting values are always
8212         * stored as strings; this function converts the string to a {@code long}
8213         * for you.
8214         * <p>
8215         * This version does not take a default value.  If the setting has not
8216         * been set, or the string value is not a number,
8217         * it throws {@link SettingNotFoundException}.
8218         *
8219         * @param cr The ContentResolver to access.
8220         * @param name The name of the setting to retrieve.
8221         *
8222         * @return The setting's current value.
8223         * @throws SettingNotFoundException Thrown if a setting by the given
8224         * name can't be found or the setting value is not an integer.
8225         */
8226        public static long getLong(ContentResolver cr, String name)
8227                throws SettingNotFoundException {
8228            String valString = getString(cr, name);
8229            try {
8230                return Long.parseLong(valString);
8231            } catch (NumberFormatException e) {
8232                throw new SettingNotFoundException(name);
8233            }
8234        }
8235
8236        /**
8237         * Convenience function for updating a secure settings value as a long
8238         * integer. This will either create a new entry in the table if the
8239         * given name does not exist, or modify the value of the existing row
8240         * with that name.  Note that internally setting values are always
8241         * stored as strings, so this function converts the given value to a
8242         * string before storing it.
8243         *
8244         * @param cr The ContentResolver to access.
8245         * @param name The name of the setting to modify.
8246         * @param value The new value for the setting.
8247         * @return true if the value was set, false on database errors
8248         */
8249        public static boolean putLong(ContentResolver cr, String name, long value) {
8250            return putString(cr, name, Long.toString(value));
8251        }
8252
8253        /**
8254         * Convenience function for retrieving a single secure settings value
8255         * as a floating point number.  Note that internally setting values are
8256         * always stored as strings; this function converts the string to an
8257         * float for you. The default value will be returned if the setting
8258         * is not defined or not a valid float.
8259         *
8260         * @param cr The ContentResolver to access.
8261         * @param name The name of the setting to retrieve.
8262         * @param def Value to return if the setting is not defined.
8263         *
8264         * @return The setting's current value, or 'def' if it is not defined
8265         * or not a valid float.
8266         */
8267        public static float getFloat(ContentResolver cr, String name, float def) {
8268            String v = getString(cr, name);
8269            try {
8270                return v != null ? Float.parseFloat(v) : def;
8271            } catch (NumberFormatException e) {
8272                return def;
8273            }
8274        }
8275
8276        /**
8277         * Convenience function for retrieving a single secure settings value
8278         * as a float.  Note that internally setting values are always
8279         * stored as strings; this function converts the string to a float
8280         * for you.
8281         * <p>
8282         * This version does not take a default value.  If the setting has not
8283         * been set, or the string value is not a number,
8284         * it throws {@link SettingNotFoundException}.
8285         *
8286         * @param cr The ContentResolver to access.
8287         * @param name The name of the setting to retrieve.
8288         *
8289         * @throws SettingNotFoundException Thrown if a setting by the given
8290         * name can't be found or the setting value is not a float.
8291         *
8292         * @return The setting's current value.
8293         */
8294        public static float getFloat(ContentResolver cr, String name)
8295                throws SettingNotFoundException {
8296            String v = getString(cr, name);
8297            if (v == null) {
8298                throw new SettingNotFoundException(name);
8299            }
8300            try {
8301                return Float.parseFloat(v);
8302            } catch (NumberFormatException e) {
8303                throw new SettingNotFoundException(name);
8304            }
8305        }
8306
8307        /**
8308         * Convenience function for updating a single settings value as a
8309         * floating point number. This will either create a new entry in the
8310         * table if the given name does not exist, or modify the value of the
8311         * existing row with that name.  Note that internally setting values
8312         * are always stored as strings, so this function converts the given
8313         * value to a string before storing it.
8314         *
8315         * @param cr The ContentResolver to access.
8316         * @param name The name of the setting to modify.
8317         * @param value The new value for the setting.
8318         * @return true if the value was set, false on database errors
8319         */
8320        public static boolean putFloat(ContentResolver cr, String name, float value) {
8321            return putString(cr, name, Float.toString(value));
8322        }
8323
8324
8325        /**
8326          * Subscription to be used for voice call on a multi sim device. The supported values
8327          * are 0 = SUB1, 1 = SUB2 and etc.
8328          * @hide
8329          */
8330        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
8331
8332        /**
8333          * Used to provide option to user to select subscription during dial.
8334          * The supported values are 0 = disable or 1 = enable prompt.
8335          * @hide
8336          */
8337        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
8338
8339        /**
8340          * Subscription to be used for data call on a multi sim device. The supported values
8341          * are 0 = SUB1, 1 = SUB2 and etc.
8342          * @hide
8343          */
8344        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
8345
8346        /**
8347          * Subscription to be used for SMS on a multi sim device. The supported values
8348          * are 0 = SUB1, 1 = SUB2 and etc.
8349          * @hide
8350          */
8351        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
8352
8353       /**
8354          * Used to provide option to user to select subscription during send SMS.
8355          * The value 1 - enable, 0 - disable
8356          * @hide
8357          */
8358        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
8359
8360
8361
8362        /** User preferred subscriptions setting.
8363          * This holds the details of the user selected subscription from the card and
8364          * the activation status. Each settings string have the coma separated values
8365          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
8366          * @hide
8367         */
8368        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
8369                "user_preferred_sub2","user_preferred_sub3"};
8370
8371        /**
8372         * Whether to enable new contacts aggregator or not.
8373         * The value 1 - enable, 0 - disable
8374         * @hide
8375         */
8376        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
8377
8378        /**
8379         * Whether to enable contacts metadata syncing or not
8380         * The value 1 - enable, 0 - disable
8381         */
8382        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
8383
8384        /**
8385         * Whether to enable cellular on boot.
8386         * The value 1 - enable, 0 - disable
8387         * @hide
8388         */
8389        public static final String ENABLE_CELLULAR_ON_BOOT = "enable_cellular_on_boot";
8390    }
8391
8392    /**
8393     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
8394     * Intent URL, allowing it to be either a web page or a particular
8395     * application activity.
8396     *
8397     * @hide
8398     */
8399    public static final class Bookmarks implements BaseColumns
8400    {
8401        private static final String TAG = "Bookmarks";
8402
8403        /**
8404         * The content:// style URL for this table
8405         */
8406        public static final Uri CONTENT_URI =
8407            Uri.parse("content://" + AUTHORITY + "/bookmarks");
8408
8409        /**
8410         * The row ID.
8411         * <p>Type: INTEGER</p>
8412         */
8413        public static final String ID = "_id";
8414
8415        /**
8416         * Descriptive name of the bookmark that can be displayed to the user.
8417         * If this is empty, the title should be resolved at display time (use
8418         * {@link #getTitle(Context, Cursor)} any time you want to display the
8419         * title of a bookmark.)
8420         * <P>
8421         * Type: TEXT
8422         * </P>
8423         */
8424        public static final String TITLE = "title";
8425
8426        /**
8427         * Arbitrary string (displayed to the user) that allows bookmarks to be
8428         * organized into categories.  There are some special names for
8429         * standard folders, which all start with '@'.  The label displayed for
8430         * the folder changes with the locale (via {@link #getLabelForFolder}) but
8431         * the folder name does not change so you can consistently query for
8432         * the folder regardless of the current locale.
8433         *
8434         * <P>Type: TEXT</P>
8435         *
8436         */
8437        public static final String FOLDER = "folder";
8438
8439        /**
8440         * The Intent URL of the bookmark, describing what it points to.  This
8441         * value is given to {@link android.content.Intent#getIntent} to create
8442         * an Intent that can be launched.
8443         * <P>Type: TEXT</P>
8444         */
8445        public static final String INTENT = "intent";
8446
8447        /**
8448         * Optional shortcut character associated with this bookmark.
8449         * <P>Type: INTEGER</P>
8450         */
8451        public static final String SHORTCUT = "shortcut";
8452
8453        /**
8454         * The order in which the bookmark should be displayed
8455         * <P>Type: INTEGER</P>
8456         */
8457        public static final String ORDERING = "ordering";
8458
8459        private static final String[] sIntentProjection = { INTENT };
8460        private static final String[] sShortcutProjection = { ID, SHORTCUT };
8461        private static final String sShortcutSelection = SHORTCUT + "=?";
8462
8463        /**
8464         * Convenience function to retrieve the bookmarked Intent for a
8465         * particular shortcut key.
8466         *
8467         * @param cr The ContentResolver to query.
8468         * @param shortcut The shortcut key.
8469         *
8470         * @return Intent The bookmarked URL, or null if there is no bookmark
8471         *         matching the given shortcut.
8472         */
8473        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
8474        {
8475            Intent intent = null;
8476
8477            Cursor c = cr.query(CONTENT_URI,
8478                    sIntentProjection, sShortcutSelection,
8479                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
8480            // Keep trying until we find a valid shortcut
8481            try {
8482                while (intent == null && c.moveToNext()) {
8483                    try {
8484                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
8485                        intent = Intent.parseUri(intentURI, 0);
8486                    } catch (java.net.URISyntaxException e) {
8487                        // The stored URL is bad...  ignore it.
8488                    } catch (IllegalArgumentException e) {
8489                        // Column not found
8490                        Log.w(TAG, "Intent column not found", e);
8491                    }
8492                }
8493            } finally {
8494                if (c != null) c.close();
8495            }
8496
8497            return intent;
8498        }
8499
8500        /**
8501         * Add a new bookmark to the system.
8502         *
8503         * @param cr The ContentResolver to query.
8504         * @param intent The desired target of the bookmark.
8505         * @param title Bookmark title that is shown to the user; null if none
8506         *            or it should be resolved to the intent's title.
8507         * @param folder Folder in which to place the bookmark; null if none.
8508         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
8509         *            this is non-zero and there is an existing bookmark entry
8510         *            with this same shortcut, then that existing shortcut is
8511         *            cleared (the bookmark is not removed).
8512         * @return The unique content URL for the new bookmark entry.
8513         */
8514        public static Uri add(ContentResolver cr,
8515                                           Intent intent,
8516                                           String title,
8517                                           String folder,
8518                                           char shortcut,
8519                                           int ordering)
8520        {
8521            // If a shortcut is supplied, and it is already defined for
8522            // another bookmark, then remove the old definition.
8523            if (shortcut != 0) {
8524                cr.delete(CONTENT_URI, sShortcutSelection,
8525                        new String[] { String.valueOf((int) shortcut) });
8526            }
8527
8528            ContentValues values = new ContentValues();
8529            if (title != null) values.put(TITLE, title);
8530            if (folder != null) values.put(FOLDER, folder);
8531            values.put(INTENT, intent.toUri(0));
8532            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
8533            values.put(ORDERING, ordering);
8534            return cr.insert(CONTENT_URI, values);
8535        }
8536
8537        /**
8538         * Return the folder name as it should be displayed to the user.  This
8539         * takes care of localizing special folders.
8540         *
8541         * @param r Resources object for current locale; only need access to
8542         *          system resources.
8543         * @param folder The value found in the {@link #FOLDER} column.
8544         *
8545         * @return CharSequence The label for this folder that should be shown
8546         *         to the user.
8547         */
8548        public static CharSequence getLabelForFolder(Resources r, String folder) {
8549            return folder;
8550        }
8551
8552        /**
8553         * Return the title as it should be displayed to the user. This takes
8554         * care of localizing bookmarks that point to activities.
8555         *
8556         * @param context A context.
8557         * @param cursor A cursor pointing to the row whose title should be
8558         *        returned. The cursor must contain at least the {@link #TITLE}
8559         *        and {@link #INTENT} columns.
8560         * @return A title that is localized and can be displayed to the user,
8561         *         or the empty string if one could not be found.
8562         */
8563        public static CharSequence getTitle(Context context, Cursor cursor) {
8564            int titleColumn = cursor.getColumnIndex(TITLE);
8565            int intentColumn = cursor.getColumnIndex(INTENT);
8566            if (titleColumn == -1 || intentColumn == -1) {
8567                throw new IllegalArgumentException(
8568                        "The cursor must contain the TITLE and INTENT columns.");
8569            }
8570
8571            String title = cursor.getString(titleColumn);
8572            if (!TextUtils.isEmpty(title)) {
8573                return title;
8574            }
8575
8576            String intentUri = cursor.getString(intentColumn);
8577            if (TextUtils.isEmpty(intentUri)) {
8578                return "";
8579            }
8580
8581            Intent intent;
8582            try {
8583                intent = Intent.parseUri(intentUri, 0);
8584            } catch (URISyntaxException e) {
8585                return "";
8586            }
8587
8588            PackageManager packageManager = context.getPackageManager();
8589            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8590            return info != null ? info.loadLabel(packageManager) : "";
8591        }
8592    }
8593
8594    /**
8595     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8596     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8597     * from the GoogleLoginService.
8598     *
8599     * @param androidId The Android ID for this device.
8600     * @return The device ID that should be used when connecting to the mobile gtalk server.
8601     * @hide
8602     */
8603    public static String getGTalkDeviceId(long androidId) {
8604        return "android-" + Long.toHexString(androidId);
8605    }
8606
8607    private static final String[] PM_WRITE_SETTINGS = {
8608        android.Manifest.permission.WRITE_SETTINGS
8609    };
8610    private static final String[] PM_CHANGE_NETWORK_STATE = {
8611        android.Manifest.permission.CHANGE_NETWORK_STATE,
8612        android.Manifest.permission.WRITE_SETTINGS
8613    };
8614    private static final String[] PM_SYSTEM_ALERT_WINDOW = {
8615        android.Manifest.permission.SYSTEM_ALERT_WINDOW
8616    };
8617
8618    /**
8619     * Performs a strict and comprehensive check of whether a calling package is allowed to
8620     * write/modify system settings, as the condition differs for pre-M, M+, and
8621     * privileged/preinstalled apps. If the provided uid does not match the
8622     * callingPackage, a negative result will be returned.
8623     * @hide
8624     */
8625    public static boolean isCallingPackageAllowedToWriteSettings(Context context, int uid,
8626            String callingPackage, boolean throwException) {
8627        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8628                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8629                PM_WRITE_SETTINGS, false);
8630    }
8631
8632    /**
8633     * Performs a strict and comprehensive check of whether a calling package is allowed to
8634     * write/modify system settings, as the condition differs for pre-M, M+, and
8635     * privileged/preinstalled apps. If the provided uid does not match the
8636     * callingPackage, a negative result will be returned. The caller is expected to have
8637     * the WRITE_SETTINGS permission declared.
8638     *
8639     * Note: if the check is successful, the operation of this app will be updated to the
8640     * current time.
8641     * @hide
8642     */
8643    public static boolean checkAndNoteWriteSettingsOperation(Context context, int uid,
8644            String callingPackage, boolean throwException) {
8645        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8646                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8647                PM_WRITE_SETTINGS, true);
8648    }
8649
8650    /**
8651     * Performs a strict and comprehensive check of whether a calling package is allowed to
8652     * change the state of network, as the condition differs for pre-M, M+, and
8653     * privileged/preinstalled apps. The caller is expected to have either the
8654     * CHANGE_NETWORK_STATE or the WRITE_SETTINGS permission declared. Either of these
8655     * permissions allow changing network state; WRITE_SETTINGS is a runtime permission and
8656     * can be revoked, but (except in M, excluding M MRs), CHANGE_NETWORK_STATE is a normal
8657     * permission and cannot be revoked. See http://b/23597341
8658     *
8659     * Note: if the check succeeds because the application holds WRITE_SETTINGS, the operation
8660     * of this app will be updated to the current time.
8661     * @hide
8662     */
8663    public static boolean checkAndNoteChangeNetworkStateOperation(Context context, int uid,
8664            String callingPackage, boolean throwException) {
8665        if (context.checkCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE)
8666                == PackageManager.PERMISSION_GRANTED) {
8667            return true;
8668        }
8669        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8670                callingPackage, throwException, AppOpsManager.OP_WRITE_SETTINGS,
8671                PM_CHANGE_NETWORK_STATE, true);
8672    }
8673
8674    /**
8675     * Performs a strict and comprehensive check of whether a calling package is allowed to
8676     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8677     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8678     * a negative result will be returned.
8679     * @hide
8680     */
8681    public static boolean isCallingPackageAllowedToDrawOverlays(Context context, int uid,
8682            String callingPackage, boolean throwException) {
8683        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8684                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8685                PM_SYSTEM_ALERT_WINDOW, false);
8686    }
8687
8688    /**
8689     * Performs a strict and comprehensive check of whether a calling package is allowed to
8690     * draw on top of other apps, as the conditions differs for pre-M, M+, and
8691     * privileged/preinstalled apps. If the provided uid does not match the callingPackage,
8692     * a negative result will be returned.
8693     *
8694     * Note: if the check is successful, the operation of this app will be updated to the
8695     * current time.
8696     * @hide
8697     */
8698    public static boolean checkAndNoteDrawOverlaysOperation(Context context, int uid, String
8699            callingPackage, boolean throwException) {
8700        return isCallingPackageAllowedToPerformAppOpsProtectedOperation(context, uid,
8701                callingPackage, throwException, AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
8702                PM_SYSTEM_ALERT_WINDOW, true);
8703    }
8704
8705    /**
8706     * Helper method to perform a general and comprehensive check of whether an operation that is
8707     * protected by appops can be performed by a caller or not. e.g. OP_SYSTEM_ALERT_WINDOW and
8708     * OP_WRITE_SETTINGS
8709     * @hide
8710     */
8711    public static boolean isCallingPackageAllowedToPerformAppOpsProtectedOperation(Context context,
8712            int uid, String callingPackage, boolean throwException, int appOpsOpCode, String[]
8713            permissions, boolean makeNote) {
8714        if (callingPackage == null) {
8715            return false;
8716        }
8717
8718        AppOpsManager appOpsMgr = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
8719        int mode = AppOpsManager.MODE_DEFAULT;
8720        if (makeNote) {
8721            mode = appOpsMgr.noteOpNoThrow(appOpsOpCode, uid, callingPackage);
8722        } else {
8723            mode = appOpsMgr.checkOpNoThrow(appOpsOpCode, uid, callingPackage);
8724        }
8725
8726        switch (mode) {
8727            case AppOpsManager.MODE_ALLOWED:
8728                return true;
8729
8730            case AppOpsManager.MODE_DEFAULT:
8731                // this is the default operating mode after an app's installation
8732                // In this case we will check all associated static permission to see
8733                // if it is granted during install time.
8734                for (String permission : permissions) {
8735                    if (context.checkCallingOrSelfPermission(permission) == PackageManager
8736                            .PERMISSION_GRANTED) {
8737                        // if either of the permissions are granted, we will allow it
8738                        return true;
8739                    }
8740                }
8741
8742            default:
8743                // this is for all other cases trickled down here...
8744                if (!throwException) {
8745                    return false;
8746                }
8747        }
8748
8749        // prepare string to throw SecurityException
8750        StringBuilder exceptionMessage = new StringBuilder();
8751        exceptionMessage.append(callingPackage);
8752        exceptionMessage.append(" was not granted ");
8753        if (permissions.length > 1) {
8754            exceptionMessage.append(" either of these permissions: ");
8755        } else {
8756            exceptionMessage.append(" this permission: ");
8757        }
8758        for (int i = 0; i < permissions.length; i++) {
8759            exceptionMessage.append(permissions[i]);
8760            exceptionMessage.append((i == permissions.length - 1) ? "." : ", ");
8761        }
8762
8763        throw new SecurityException(exceptionMessage.toString());
8764    }
8765
8766    /**
8767     * Retrieves a correponding package name for a given uid. It will query all
8768     * packages that are associated with the given uid, but it will return only
8769     * the zeroth result.
8770     * Note: If package could not be found, a null is returned.
8771     * @hide
8772     */
8773    public static String getPackageNameForUid(Context context, int uid) {
8774        String[] packages = context.getPackageManager().getPackagesForUid(uid);
8775        if (packages == null) {
8776            return null;
8777        }
8778        return packages[0];
8779    }
8780}
8781