Settings.java revision b2278d65714c0dd0a6f94d1913db1ebc8bfc8b06
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.app.SearchManager;
23import android.app.WallpaperManager;
24import android.content.ComponentName;
25import android.content.ContentResolver;
26import android.content.ContentValues;
27import android.content.Context;
28import android.content.IContentProvider;
29import android.content.Intent;
30import android.content.pm.ActivityInfo;
31import android.content.pm.PackageManager;
32import android.content.pm.ResolveInfo;
33import android.content.res.Configuration;
34import android.content.res.Resources;
35import android.database.Cursor;
36import android.database.SQLException;
37import android.location.LocationManager;
38import android.net.ConnectivityManager;
39import android.net.Uri;
40import android.net.wifi.WifiManager;
41import android.os.BatteryManager;
42import android.os.Bundle;
43import android.os.DropBoxManager;
44import android.os.IBinder;
45import android.os.Process;
46import android.os.RemoteException;
47import android.os.ServiceManager;
48import android.os.SystemProperties;
49import android.os.UserHandle;
50import android.os.Build.VERSION_CODES;
51import android.speech.tts.TextToSpeech;
52import android.text.TextUtils;
53import android.util.AndroidException;
54import android.util.ArrayMap;
55import android.util.ArraySet;
56import android.util.Log;
57
58import com.android.internal.util.ArrayUtils;
59import com.android.internal.widget.ILockSettings;
60
61import java.net.URISyntaxException;
62import java.text.SimpleDateFormat;
63import java.util.HashMap;
64import java.util.HashSet;
65import java.util.Locale;
66import java.util.Map;
67import java.util.Set;
68
69/**
70 * The Settings provider contains global system-level device preferences.
71 */
72public final class Settings {
73
74    // Intent actions for Settings
75
76    /**
77     * Activity Action: Show system settings.
78     * <p>
79     * Input: Nothing.
80     * <p>
81     * Output: Nothing.
82     */
83    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
84    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
85
86    /**
87     * Activity Action: Show settings to allow configuration of APNs.
88     * <p>
89     * Input: Nothing.
90     * <p>
91     * Output: Nothing.
92     */
93    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
94    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
95
96    /**
97     * Activity Action: Show settings to allow configuration of current location
98     * sources.
99     * <p>
100     * In some cases, a matching Activity may not exist, so ensure you
101     * safeguard against this.
102     * <p>
103     * Input: Nothing.
104     * <p>
105     * Output: Nothing.
106     */
107    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
108    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
109            "android.settings.LOCATION_SOURCE_SETTINGS";
110
111    /**
112     * Activity Action: Show settings to allow configuration of wireless controls
113     * such as Wi-Fi, Bluetooth and Mobile networks.
114     * <p>
115     * In some cases, a matching Activity may not exist, so ensure you
116     * safeguard against this.
117     * <p>
118     * Input: Nothing.
119     * <p>
120     * Output: Nothing.
121     */
122    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
123    public static final String ACTION_WIRELESS_SETTINGS =
124            "android.settings.WIRELESS_SETTINGS";
125
126    /**
127     * Activity Action: Show settings to allow entering/exiting airplane mode.
128     * <p>
129     * In some cases, a matching Activity may not exist, so ensure you
130     * safeguard against this.
131     * <p>
132     * Input: Nothing.
133     * <p>
134     * Output: Nothing.
135     */
136    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
137    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
138            "android.settings.AIRPLANE_MODE_SETTINGS";
139
140    /**
141     * Activity Action: Modify Airplane mode settings using a voice command.
142     * <p>
143     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
144     * <p>
145     * This intent MUST be started using
146     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
147     * startVoiceActivity}.
148     * <p>
149     * Note: The activity implementing this intent MUST verify that
150     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
151     * modifying the setting.
152     * <p>
153     * Input: To tell which state airplane mode should be set to, add the
154     * {@link #EXTRA_AIRPLANE_MODE_ENABLED} extra to this Intent with the state specified.
155     * If the extra is not included, no changes will be made.
156     * <p>
157     * Output: Nothing.
158     */
159    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
160    public static final String ACTION_VOICE_CONTROL_AIRPLANE_MODE =
161            "android.settings.VOICE_CONTROL_AIRPLANE_MODE";
162
163    /**
164     * Activity Action: Show settings for accessibility modules.
165     * <p>
166     * In some cases, a matching Activity may not exist, so ensure you
167     * safeguard against this.
168     * <p>
169     * Input: Nothing.
170     * <p>
171     * Output: Nothing.
172     */
173    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
174    public static final String ACTION_ACCESSIBILITY_SETTINGS =
175            "android.settings.ACCESSIBILITY_SETTINGS";
176
177    /**
178     * Activity Action: Show settings to control access to usage information.
179     * <p>
180     * In some cases, a matching Activity may not exist, so ensure you
181     * safeguard against this.
182     * <p>
183     * Input: Nothing.
184     * <p>
185     * Output: Nothing.
186     */
187    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
188    public static final String ACTION_USAGE_ACCESS_SETTINGS =
189            "android.settings.USAGE_ACCESS_SETTINGS";
190
191    /**
192     * Activity Action: Show settings to allow configuration of security and
193     * location privacy.
194     * <p>
195     * In some cases, a matching Activity may not exist, so ensure you
196     * safeguard against this.
197     * <p>
198     * Input: Nothing.
199     * <p>
200     * Output: Nothing.
201     */
202    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
203    public static final String ACTION_SECURITY_SETTINGS =
204            "android.settings.SECURITY_SETTINGS";
205
206    /**
207     * Activity Action: Show trusted credentials settings, opening to the user tab,
208     * to allow management of installed credentials.
209     * <p>
210     * In some cases, a matching Activity may not exist, so ensure you
211     * safeguard against this.
212     * <p>
213     * Input: Nothing.
214     * <p>
215     * Output: Nothing.
216     * @hide
217     */
218    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
219    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
220            "com.android.settings.TRUSTED_CREDENTIALS_USER";
221
222    /**
223     * Activity Action: Show dialog explaining that an installed CA cert may enable
224     * monitoring of encrypted network traffic.
225     * <p>
226     * In some cases, a matching Activity may not exist, so ensure you
227     * safeguard against this.
228     * <p>
229     * Input: Nothing.
230     * <p>
231     * Output: Nothing.
232     * @hide
233     */
234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
235    public static final String ACTION_MONITORING_CERT_INFO =
236            "com.android.settings.MONITORING_CERT_INFO";
237
238    /**
239     * Activity Action: Show settings to allow configuration of privacy options.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_PRIVACY_SETTINGS =
250            "android.settings.PRIVACY_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to allow configuration of Wi-Fi.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261
262     */
263    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
264    public static final String ACTION_WIFI_SETTINGS =
265            "android.settings.WIFI_SETTINGS";
266
267    /**
268     * Activity Action: Show settings to allow configuration of a static IP
269     * address for Wi-Fi.
270     * <p>
271     * In some cases, a matching Activity may not exist, so ensure you safeguard
272     * against this.
273     * <p>
274     * Input: Nothing.
275     * <p>
276     * Output: Nothing.
277     */
278    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
279    public static final String ACTION_WIFI_IP_SETTINGS =
280            "android.settings.WIFI_IP_SETTINGS";
281
282    /**
283     * Activity Action: Show settings to allow configuration of Bluetooth.
284     * <p>
285     * In some cases, a matching Activity may not exist, so ensure you
286     * safeguard against this.
287     * <p>
288     * Input: Nothing.
289     * <p>
290     * Output: Nothing.
291     */
292    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
293    public static final String ACTION_BLUETOOTH_SETTINGS =
294            "android.settings.BLUETOOTH_SETTINGS";
295
296    /**
297     * Activity Action: Show settings to allow configuration of Wifi Displays.
298     * <p>
299     * In some cases, a matching Activity may not exist, so ensure you
300     * safeguard against this.
301     * <p>
302     * Input: Nothing.
303     * <p>
304     * Output: Nothing.
305     * @hide
306     */
307    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
308    public static final String ACTION_WIFI_DISPLAY_SETTINGS =
309            "android.settings.WIFI_DISPLAY_SETTINGS";
310
311    /**
312     * Activity Action: Show settings to allow configuration of
313     * {@link android.media.routing.MediaRouteService media route providers}.
314     * <p>
315     * In some cases, a matching Activity may not exist, so ensure you
316     * safeguard against this.
317     * <p>
318     * Input: Nothing.
319     * <p>
320     * Output: Nothing.
321     */
322    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
323    public static final String ACTION_CAST_SETTINGS =
324            "android.settings.CAST_SETTINGS";
325
326    /**
327     * Activity Action: Show settings to allow configuration of date and time.
328     * <p>
329     * In some cases, a matching Activity may not exist, so ensure you
330     * safeguard against this.
331     * <p>
332     * Input: Nothing.
333     * <p>
334     * Output: Nothing.
335     */
336    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
337    public static final String ACTION_DATE_SETTINGS =
338            "android.settings.DATE_SETTINGS";
339
340    /**
341     * Activity Action: Show settings to allow configuration of sound and volume.
342     * <p>
343     * In some cases, a matching Activity may not exist, so ensure you
344     * safeguard against this.
345     * <p>
346     * Input: Nothing.
347     * <p>
348     * Output: Nothing.
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_SOUND_SETTINGS =
352            "android.settings.SOUND_SETTINGS";
353
354    /**
355     * Activity Action: Show settings to allow configuration of display.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     */
364    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
365    public static final String ACTION_DISPLAY_SETTINGS =
366            "android.settings.DISPLAY_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of locale.
370     * <p>
371     * In some cases, a matching Activity may not exist, so ensure you
372     * safeguard against this.
373     * <p>
374     * Input: Nothing.
375     * <p>
376     * Output: Nothing.
377     */
378    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
379    public static final String ACTION_LOCALE_SETTINGS =
380            "android.settings.LOCALE_SETTINGS";
381
382    /**
383     * Activity Action: Show settings to configure input methods, in particular
384     * allowing the user to enable input methods.
385     * <p>
386     * In some cases, a matching Activity may not exist, so ensure you
387     * safeguard against this.
388     * <p>
389     * Input: Nothing.
390     * <p>
391     * Output: Nothing.
392     */
393    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
394    public static final String ACTION_VOICE_INPUT_SETTINGS =
395            "android.settings.VOICE_INPUT_SETTINGS";
396
397    /**
398     * Activity Action: Show settings to configure input methods, in particular
399     * allowing the user to enable input methods.
400     * <p>
401     * In some cases, a matching Activity may not exist, so ensure you
402     * safeguard against this.
403     * <p>
404     * Input: Nothing.
405     * <p>
406     * Output: Nothing.
407     */
408    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
409    public static final String ACTION_INPUT_METHOD_SETTINGS =
410            "android.settings.INPUT_METHOD_SETTINGS";
411
412    /**
413     * Activity Action: Show settings to enable/disable input method subtypes.
414     * <p>
415     * In some cases, a matching Activity may not exist, so ensure you
416     * safeguard against this.
417     * <p>
418     * To tell which input method's subtypes are displayed in the settings, add
419     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
420     * If there is no extra in this Intent, subtypes from all installed input methods
421     * will be displayed in the settings.
422     *
423     * @see android.view.inputmethod.InputMethodInfo#getId
424     * <p>
425     * Input: Nothing.
426     * <p>
427     * Output: Nothing.
428     */
429    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
430    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
431            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
432
433    /**
434     * Activity Action: Show a dialog to select input method.
435     * <p>
436     * In some cases, a matching Activity may not exist, so ensure you
437     * safeguard against this.
438     * <p>
439     * Input: Nothing.
440     * <p>
441     * Output: Nothing.
442     * @hide
443     */
444    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
445    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
446            "android.settings.SHOW_INPUT_METHOD_PICKER";
447
448    /**
449     * Activity Action: Show settings to manage the user input dictionary.
450     * <p>
451     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
452     * it is guaranteed there will always be an appropriate implementation for this Intent action.
453     * In prior releases of the platform this was optional, so ensure you safeguard against it.
454     * <p>
455     * Input: Nothing.
456     * <p>
457     * Output: Nothing.
458     */
459    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
460    public static final String ACTION_USER_DICTIONARY_SETTINGS =
461            "android.settings.USER_DICTIONARY_SETTINGS";
462
463    /**
464     * Activity Action: Adds a word to the user dictionary.
465     * <p>
466     * In some cases, a matching Activity may not exist, so ensure you
467     * safeguard against this.
468     * <p>
469     * Input: An extra with key <code>word</code> that contains the word
470     * that should be added to the dictionary.
471     * <p>
472     * Output: Nothing.
473     *
474     * @hide
475     */
476    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
477    public static final String ACTION_USER_DICTIONARY_INSERT =
478            "com.android.settings.USER_DICTIONARY_INSERT";
479
480    /**
481     * Activity Action: Show settings to allow configuration of application-related settings.
482     * <p>
483     * In some cases, a matching Activity may not exist, so ensure you
484     * safeguard against this.
485     * <p>
486     * Input: Nothing.
487     * <p>
488     * Output: Nothing.
489     */
490    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
491    public static final String ACTION_APPLICATION_SETTINGS =
492            "android.settings.APPLICATION_SETTINGS";
493
494    /**
495     * Activity Action: Show settings to allow configuration of application
496     * development-related settings.  As of
497     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
498     * a required part of the platform.
499     * <p>
500     * Input: Nothing.
501     * <p>
502     * Output: Nothing.
503     */
504    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
505    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
506            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
507
508    /**
509     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
510     * <p>
511     * In some cases, a matching Activity may not exist, so ensure you
512     * safeguard against this.
513     * <p>
514     * Input: Nothing.
515     * <p>
516     * Output: Nothing.
517     */
518    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
519    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
520            "android.settings.QUICK_LAUNCH_SETTINGS";
521
522    /**
523     * Activity Action: Show settings to manage installed applications.
524     * <p>
525     * In some cases, a matching Activity may not exist, so ensure you
526     * safeguard against this.
527     * <p>
528     * Input: Nothing.
529     * <p>
530     * Output: Nothing.
531     */
532    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
533    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
534            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
535
536    /**
537     * Activity Action: Show settings to manage all applications.
538     * <p>
539     * In some cases, a matching Activity may not exist, so ensure you
540     * safeguard against this.
541     * <p>
542     * Input: Nothing.
543     * <p>
544     * Output: Nothing.
545     */
546    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
547    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
548            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
549
550    /**
551     * Activity Action: Show screen of details about a particular application.
552     * <p>
553     * In some cases, a matching Activity may not exist, so ensure you
554     * safeguard against this.
555     * <p>
556     * Input: The Intent's data URI specifies the application package name
557     * to be shown, with the "package" scheme.  That is "package:com.my.app".
558     * <p>
559     * Output: Nothing.
560     */
561    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
562    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
563            "android.settings.APPLICATION_DETAILS_SETTINGS";
564
565    /**
566     * @hide
567     * Activity Action: Show the "app ops" settings screen.
568     * <p>
569     * Input: Nothing.
570     * <p>
571     * Output: Nothing.
572     */
573    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
574    public static final String ACTION_APP_OPS_SETTINGS =
575            "android.settings.APP_OPS_SETTINGS";
576
577    /**
578     * Activity Action: Show settings for system update functionality.
579     * <p>
580     * In some cases, a matching Activity may not exist, so ensure you
581     * safeguard against this.
582     * <p>
583     * Input: Nothing.
584     * <p>
585     * Output: Nothing.
586     *
587     * @hide
588     */
589    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
590    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
591            "android.settings.SYSTEM_UPDATE_SETTINGS";
592
593    /**
594     * Activity Action: Show settings to allow configuration of sync settings.
595     * <p>
596     * In some cases, a matching Activity may not exist, so ensure you
597     * safeguard against this.
598     * <p>
599     * The account types available to add via the add account button may be restricted by adding an
600     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
601     * authorities. Only account types which can sync with that content provider will be offered to
602     * the user.
603     * <p>
604     * Input: Nothing.
605     * <p>
606     * Output: Nothing.
607     */
608    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
609    public static final String ACTION_SYNC_SETTINGS =
610            "android.settings.SYNC_SETTINGS";
611
612    /**
613     * Activity Action: Show add account screen for creating a new account.
614     * <p>
615     * In some cases, a matching Activity may not exist, so ensure you
616     * safeguard against this.
617     * <p>
618     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
619     * extra to the Intent with one or more syncable content provider's authorities.  Only account
620     * types which can sync with that content provider will be offered to the user.
621     * <p>
622     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
623     * Intent with one or more account types.
624     * <p>
625     * Input: Nothing.
626     * <p>
627     * Output: Nothing.
628     */
629    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
630    public static final String ACTION_ADD_ACCOUNT =
631            "android.settings.ADD_ACCOUNT_SETTINGS";
632
633    /**
634     * Activity Action: Show settings for selecting the network operator.
635     * <p>
636     * In some cases, a matching Activity may not exist, so ensure you
637     * safeguard against this.
638     * <p>
639     * Input: Nothing.
640     * <p>
641     * Output: Nothing.
642     */
643    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
644    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
645            "android.settings.NETWORK_OPERATOR_SETTINGS";
646
647    /**
648     * Activity Action: Show settings for selection of 2G/3G.
649     * <p>
650     * In some cases, a matching Activity may not exist, so ensure you
651     * safeguard against this.
652     * <p>
653     * Input: Nothing.
654     * <p>
655     * Output: Nothing.
656     */
657    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
658    public static final String ACTION_DATA_ROAMING_SETTINGS =
659            "android.settings.DATA_ROAMING_SETTINGS";
660
661    /**
662     * Activity Action: Show settings for internal storage.
663     * <p>
664     * In some cases, a matching Activity may not exist, so ensure you
665     * safeguard against this.
666     * <p>
667     * Input: Nothing.
668     * <p>
669     * Output: Nothing.
670     */
671    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
672    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
673            "android.settings.INTERNAL_STORAGE_SETTINGS";
674    /**
675     * Activity Action: Show settings for memory card storage.
676     * <p>
677     * In some cases, a matching Activity may not exist, so ensure you
678     * safeguard against this.
679     * <p>
680     * Input: Nothing.
681     * <p>
682     * Output: Nothing.
683     */
684    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
685    public static final String ACTION_MEMORY_CARD_SETTINGS =
686            "android.settings.MEMORY_CARD_SETTINGS";
687
688    /**
689     * Activity Action: Show settings for global search.
690     * <p>
691     * In some cases, a matching Activity may not exist, so ensure you
692     * safeguard against this.
693     * <p>
694     * Input: Nothing.
695     * <p>
696     * Output: Nothing
697     */
698    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
699    public static final String ACTION_SEARCH_SETTINGS =
700        "android.search.action.SEARCH_SETTINGS";
701
702    /**
703     * Activity Action: Show general device information settings (serial
704     * number, software version, phone number, etc.).
705     * <p>
706     * In some cases, a matching Activity may not exist, so ensure you
707     * safeguard against this.
708     * <p>
709     * Input: Nothing.
710     * <p>
711     * Output: Nothing
712     */
713    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
714    public static final String ACTION_DEVICE_INFO_SETTINGS =
715        "android.settings.DEVICE_INFO_SETTINGS";
716
717    /**
718     * Activity Action: Show NFC settings.
719     * <p>
720     * This shows UI that allows NFC to be turned on or off.
721     * <p>
722     * In some cases, a matching Activity may not exist, so ensure you
723     * safeguard against this.
724     * <p>
725     * Input: Nothing.
726     * <p>
727     * Output: Nothing
728     * @see android.nfc.NfcAdapter#isEnabled()
729     */
730    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
731    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
732
733    /**
734     * Activity Action: Show NFC Sharing settings.
735     * <p>
736     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
737     * off.
738     * <p>
739     * In some cases, a matching Activity may not exist, so ensure you
740     * safeguard against this.
741     * <p>
742     * Input: Nothing.
743     * <p>
744     * Output: Nothing
745     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
746     */
747    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
748    public static final String ACTION_NFCSHARING_SETTINGS =
749        "android.settings.NFCSHARING_SETTINGS";
750
751    /**
752     * Activity Action: Show NFC Tap & Pay settings
753     * <p>
754     * This shows UI that allows the user to configure Tap&Pay
755     * settings.
756     * <p>
757     * In some cases, a matching Activity may not exist, so ensure you
758     * safeguard against this.
759     * <p>
760     * Input: Nothing.
761     * <p>
762     * Output: Nothing
763     */
764    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
765    public static final String ACTION_NFC_PAYMENT_SETTINGS =
766        "android.settings.NFC_PAYMENT_SETTINGS";
767
768    /**
769     * Activity Action: Show Daydream settings.
770     * <p>
771     * In some cases, a matching Activity may not exist, so ensure you
772     * safeguard against this.
773     * <p>
774     * Input: Nothing.
775     * <p>
776     * Output: Nothing.
777     * @see android.service.dreams.DreamService
778     */
779    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
780    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
781
782    /**
783     * Activity Action: Show Notification listener settings.
784     * <p>
785     * In some cases, a matching Activity may not exist, so ensure you
786     * safeguard against this.
787     * <p>
788     * Input: Nothing.
789     * <p>
790     * Output: Nothing.
791     * @see android.service.notification.NotificationListenerService
792     */
793    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
794    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
795            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
796
797    /**
798     * @hide
799     */
800    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
801    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
802            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
803
804    /**
805     * Activity Action: Show settings for video captioning.
806     * <p>
807     * In some cases, a matching Activity may not exist, so ensure you safeguard
808     * against this.
809     * <p>
810     * Input: Nothing.
811     * <p>
812     * Output: Nothing.
813     */
814    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
815    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
816
817    /**
818     * Activity Action: Show the top level print settings.
819     * <p>
820     * In some cases, a matching Activity may not exist, so ensure you
821     * safeguard against this.
822     * <p>
823     * Input: Nothing.
824     * <p>
825     * Output: Nothing.
826     */
827    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
828    public static final String ACTION_PRINT_SETTINGS =
829            "android.settings.ACTION_PRINT_SETTINGS";
830
831    /**
832     * Activity Action: Show Zen Mode configuration settings.
833     *
834     * @hide
835     */
836    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
837    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
838
839    /**
840     * Activity Action: Show Zen Mode priority configuration settings.
841     *
842     * @hide
843     */
844    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
845    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
846            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
847
848    /**
849     * Activity Action: Show Zen Mode automation configuration settings.
850     *
851     * @hide
852     */
853    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
854    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
855            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
856
857    /**
858     * Activity Action: Modify do not disturb mode settings.
859     * <p>
860     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
861     * <p>
862     * This intent MUST be started using
863     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
864     * startVoiceActivity}.
865     * <p>
866     * Note: The Activity implementing this intent MUST verify that
867     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
868     * returns true before modifying the setting.
869     * <p>
870     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
871     * how long the user wishes to avoid interruptions for. The optional
872     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
873     * enabling or disabling do not disturb mode. If either extra is not included, the
874     * user maybe asked to provide the value.
875     * <p>
876     * Output: Nothing.
877     */
878    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
879    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
880            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
881
882    /**
883     * Activity Action: Show Zen Mode schedule rule configuration settings.
884     *
885     * @hide
886     */
887    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
888    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
889            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
890
891    /**
892     * Activity Action: Show the regulatory information screen for the device.
893     * <p>
894     * In some cases, a matching Activity may not exist, so ensure you safeguard
895     * against this.
896     * <p>
897     * Input: Nothing.
898     * <p>
899     * Output: Nothing.
900     */
901    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
902    public static final String
903            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
904
905    /**
906     * Activity Action: Show Device Name Settings.
907     * <p>
908     * In some cases, a matching Activity may not exist, so ensure you safeguard
909     * against this.
910     *
911     * @hide
912     */
913    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
914    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
915
916    /**
917     * Activity Action: Show pairing settings.
918     * <p>
919     * In some cases, a matching Activity may not exist, so ensure you safeguard
920     * against this.
921     *
922     * @hide
923     */
924    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
925    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
926
927    /**
928     * Activity Action: Show battery saver settings.
929     * <p>
930     * In some cases, a matching Activity may not exist, so ensure you safeguard
931     * against this.
932     */
933    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
934    public static final String ACTION_BATTERY_SAVER_SETTINGS
935            = "android.settings.BATTERY_SAVER_SETTINGS";
936
937    /**
938     * Activity Action: Modify Battery Saver mode setting using a voice command.
939     * <p>
940     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
941     * <p>
942     * This intent MUST be started using
943     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
944     * startVoiceActivity}.
945     * <p>
946     * Note: The activity implementing this intent MUST verify that
947     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
948     * modifying the setting.
949     * <p>
950     * Input: To tell which state batter saver mode should be set to, add the
951     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
952     * If the extra is not included, no changes will be made.
953     * <p>
954     * Output: Nothing.
955     */
956    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
957    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
958            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
959
960    /**
961     * Activity Action: Show Home selection settings. If there are multiple activities
962     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
963     * to pick your preferred activity.
964     */
965    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
966    public static final String ACTION_HOME_SETTINGS
967            = "android.settings.HOME_SETTINGS";
968
969    /**
970     * Activity Action: Show notification settings.
971     *
972     * @hide
973     */
974    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
975    public static final String ACTION_NOTIFICATION_SETTINGS
976            = "android.settings.NOTIFICATION_SETTINGS";
977
978    /**
979     * Activity Action: Show notification settings for a single app.
980     *
981     * @hide
982     */
983    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
984    public static final String ACTION_APP_NOTIFICATION_SETTINGS
985            = "android.settings.APP_NOTIFICATION_SETTINGS";
986
987    /**
988     * Activity Action: Show notification redaction settings.
989     *
990     * @hide
991     */
992    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
993    public static final String ACTION_APP_NOTIFICATION_REDACTION
994            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
995
996    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
997    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
998
999    // End of Intent actions for Settings
1000
1001    /**
1002     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1003     */
1004    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1005
1006    /**
1007     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1008     */
1009    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1010
1011    /**
1012     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1013     */
1014    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1015
1016    /**
1017     * @hide - User handle argument extra to the fast-path call()-based requests
1018     */
1019    public static final String CALL_METHOD_USER_KEY = "_user";
1020
1021    /** @hide - Private call() method to write to 'system' table */
1022    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1023
1024    /** @hide - Private call() method to write to 'secure' table */
1025    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1026
1027    /** @hide - Private call() method to write to 'global' table */
1028    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1029
1030    /**
1031     * Activity Extra: Limit available options in launched activity based on the given authority.
1032     * <p>
1033     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1034     * provider's authorities as a String[]. This field is used by some intents to alter the
1035     * behavior of the called activity.
1036     * <p>
1037     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1038     * on the authority given.
1039     */
1040    public static final String EXTRA_AUTHORITIES = "authorities";
1041
1042    /**
1043     * Activity Extra: Limit available options in launched activity based on the given account
1044     * types.
1045     * <p>
1046     * This can be passed as an extra field in an Activity Intent with one or more account types
1047     * as a String[]. This field is used by some intents to alter the behavior of the called
1048     * activity.
1049     * <p>
1050     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1051     * list.
1052     */
1053    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1054
1055    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1056
1057    /**
1058     * Activity Extra: The device identifier to act upon.
1059     * <p>
1060     * This can be passed as an extra field in an Activity Intent with a single
1061     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1062     * settings for the given device.
1063     * <p>
1064     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1065     * dialog for the given device.
1066     * @hide
1067     */
1068    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1069
1070    /**
1071     * Activity Extra: Enable or disable Airplane Mode.
1072     * <p>
1073     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1074     * intent as a boolean to indicate if it should be enabled.
1075     */
1076    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1077
1078    /**
1079     * Activity Extra: Enable or disable Battery saver mode.
1080     * <p>
1081     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1082     * intent as a boolean to indicate if it should be enabled.
1083     */
1084    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1085            "android.settings.extra.battery_saver_mode_enabled";
1086
1087    /**
1088     * Activity Extra: Enable or disable Do Not Disturb mode.
1089     * <p>
1090     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1091     * intent as a boolean to indicate if it should be enabled.
1092     */
1093    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1094            "android.settings.extra.do_not_disturb_mode_enabled";
1095
1096    /**
1097     * Activity Extra: How many minutes to enable do not disturb mode for.
1098     * <p>
1099     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1100     * intent to indicate how long do not disturb mode should be enabled for.
1101     */
1102    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1103            "android.settings.extra.do_not_disturb_mode_minutes";
1104
1105    private static final String JID_RESOURCE_PREFIX = "android";
1106
1107    public static final String AUTHORITY = "settings";
1108
1109    private static final String TAG = "Settings";
1110    private static final boolean LOCAL_LOGV = false;
1111
1112    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1113    // with a partial enable/disable state in multi-threaded situations.
1114    private static final Object mLocationSettingsLock = new Object();
1115
1116    public static class SettingNotFoundException extends AndroidException {
1117        public SettingNotFoundException(String msg) {
1118            super(msg);
1119        }
1120    }
1121
1122    /**
1123     * Common base for tables of name/value settings.
1124     */
1125    public static class NameValueTable implements BaseColumns {
1126        public static final String NAME = "name";
1127        public static final String VALUE = "value";
1128
1129        protected static boolean putString(ContentResolver resolver, Uri uri,
1130                String name, String value) {
1131            // The database will take care of replacing duplicates.
1132            try {
1133                ContentValues values = new ContentValues();
1134                values.put(NAME, name);
1135                values.put(VALUE, value);
1136                resolver.insert(uri, values);
1137                return true;
1138            } catch (SQLException e) {
1139                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1140                return false;
1141            }
1142        }
1143
1144        public static Uri getUriFor(Uri uri, String name) {
1145            return Uri.withAppendedPath(uri, name);
1146        }
1147    }
1148
1149    // Thread-safe.
1150    private static class NameValueCache {
1151        private final String mVersionSystemProperty;
1152        private final Uri mUri;
1153
1154        private static final String[] SELECT_VALUE =
1155            new String[] { Settings.NameValueTable.VALUE };
1156        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1157
1158        // Must synchronize on 'this' to access mValues and mValuesVersion.
1159        private final HashMap<String, String> mValues = new HashMap<String, String>();
1160        private long mValuesVersion = 0;
1161
1162        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1163        private IContentProvider mContentProvider = null;
1164
1165        // The method we'll call (or null, to not use) on the provider
1166        // for the fast path of retrieving settings.
1167        private final String mCallGetCommand;
1168        private final String mCallSetCommand;
1169
1170        public NameValueCache(String versionSystemProperty, Uri uri,
1171                String getCommand, String setCommand) {
1172            mVersionSystemProperty = versionSystemProperty;
1173            mUri = uri;
1174            mCallGetCommand = getCommand;
1175            mCallSetCommand = setCommand;
1176        }
1177
1178        private IContentProvider lazyGetProvider(ContentResolver cr) {
1179            IContentProvider cp = null;
1180            synchronized (this) {
1181                cp = mContentProvider;
1182                if (cp == null) {
1183                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1184                }
1185            }
1186            return cp;
1187        }
1188
1189        public boolean putStringForUser(ContentResolver cr, String name, String value,
1190                final int userHandle) {
1191            try {
1192                Bundle arg = new Bundle();
1193                arg.putString(Settings.NameValueTable.VALUE, value);
1194                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1195                IContentProvider cp = lazyGetProvider(cr);
1196                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1197            } catch (RemoteException e) {
1198                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1199                return false;
1200            }
1201            return true;
1202        }
1203
1204        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1205            final boolean isSelf = (userHandle == UserHandle.myUserId());
1206            if (isSelf) {
1207                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1208
1209                // Our own user's settings data uses a client-side cache
1210                synchronized (this) {
1211                    if (mValuesVersion != newValuesVersion) {
1212                        if (LOCAL_LOGV || false) {
1213                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1214                                    + newValuesVersion + " != cached " + mValuesVersion);
1215                        }
1216
1217                        mValues.clear();
1218                        mValuesVersion = newValuesVersion;
1219                    }
1220
1221                    if (mValues.containsKey(name)) {
1222                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1223                    }
1224                }
1225            } else {
1226                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1227                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1228            }
1229
1230            IContentProvider cp = lazyGetProvider(cr);
1231
1232            // Try the fast path first, not using query().  If this
1233            // fails (alternate Settings provider that doesn't support
1234            // this interface?) then we fall back to the query/table
1235            // interface.
1236            if (mCallGetCommand != null) {
1237                try {
1238                    Bundle args = null;
1239                    if (!isSelf) {
1240                        args = new Bundle();
1241                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1242                    }
1243                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1244                    if (b != null) {
1245                        String value = b.getPairValue();
1246                        // Don't update our cache for reads of other users' data
1247                        if (isSelf) {
1248                            synchronized (this) {
1249                                mValues.put(name, value);
1250                            }
1251                        } else {
1252                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1253                                    + " by " + UserHandle.myUserId()
1254                                    + " so not updating cache");
1255                        }
1256                        return value;
1257                    }
1258                    // If the response Bundle is null, we fall through
1259                    // to the query interface below.
1260                } catch (RemoteException e) {
1261                    // Not supported by the remote side?  Fall through
1262                    // to query().
1263                }
1264            }
1265
1266            Cursor c = null;
1267            try {
1268                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1269                             new String[]{name}, null, null);
1270                if (c == null) {
1271                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1272                    return null;
1273                }
1274
1275                String value = c.moveToNext() ? c.getString(0) : null;
1276                synchronized (this) {
1277                    mValues.put(name, value);
1278                }
1279                if (LOCAL_LOGV) {
1280                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1281                            name + " = " + (value == null ? "(null)" : value));
1282                }
1283                return value;
1284            } catch (RemoteException e) {
1285                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1286                return null;  // Return null, but don't cache it.
1287            } finally {
1288                if (c != null) c.close();
1289            }
1290        }
1291    }
1292
1293    /**
1294     * System settings, containing miscellaneous system preferences.  This
1295     * table holds simple name/value pairs.  There are convenience
1296     * functions for accessing individual settings entries.
1297     */
1298    public static final class System extends NameValueTable {
1299        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1300
1301        /** @hide */
1302        public static interface Validator {
1303            public boolean validate(String value);
1304        }
1305
1306        /**
1307         * The content:// style URL for this table
1308         */
1309        public static final Uri CONTENT_URI =
1310            Uri.parse("content://" + AUTHORITY + "/system");
1311
1312        private static final NameValueCache sNameValueCache = new NameValueCache(
1313                SYS_PROP_SETTING_VERSION,
1314                CONTENT_URI,
1315                CALL_METHOD_GET_SYSTEM,
1316                CALL_METHOD_PUT_SYSTEM);
1317
1318        private static final HashSet<String> MOVED_TO_SECURE;
1319        static {
1320            MOVED_TO_SECURE = new HashSet<String>(30);
1321            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1322            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1323            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1324            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1325            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1326            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1327            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1328            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1329            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1330            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1331            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1332            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1333            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1334            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1335            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1336            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1337            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1338            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1339            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1340            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1341            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1342            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1343            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1344            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1345            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1346            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1347            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1348            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1349
1350            // At one time in System, then Global, but now back in Secure
1351            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1352        }
1353
1354        private static final HashSet<String> MOVED_TO_GLOBAL;
1355        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1356        static {
1357            MOVED_TO_GLOBAL = new HashSet<String>();
1358            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1359
1360            // these were originally in system but migrated to secure in the past,
1361            // so are duplicated in the Secure.* namespace
1362            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1363            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1364            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1365            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1366            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1367            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1368
1369            // these are moving directly from system to global
1370            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1371            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1372            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1373            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1374            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1375            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1376            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1377            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1378            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1379            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1380            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1381            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1382            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1383            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1384            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1385            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1386            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1387            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1388            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1389            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1390            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1391            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1392            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1393            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1394            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1395            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1396            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1397            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1398            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1399            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1400            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1401            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1402            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1403            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1404            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1405            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1406        }
1407
1408        private static final Validator sBooleanValidator =
1409                new DiscreteValueValidator(new String[] {"0", "1"});
1410
1411        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1412            @Override
1413            public boolean validate(String value) {
1414                try {
1415                    return Integer.parseInt(value) >= 0;
1416                } catch (NumberFormatException e) {
1417                    return false;
1418                }
1419            }
1420        };
1421
1422        private static final Validator sUriValidator = new Validator() {
1423            @Override
1424            public boolean validate(String value) {
1425                try {
1426                    Uri.decode(value);
1427                    return true;
1428                } catch (IllegalArgumentException e) {
1429                    return false;
1430                }
1431            }
1432        };
1433
1434        private static final Validator sLenientIpAddressValidator = new Validator() {
1435            private static final int MAX_IPV6_LENGTH = 45;
1436
1437            @Override
1438            public boolean validate(String value) {
1439                return value.length() <= MAX_IPV6_LENGTH;
1440            }
1441        };
1442
1443        /** @hide */
1444        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1445            outKeySet.addAll(MOVED_TO_GLOBAL);
1446            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1447        }
1448
1449        /** @hide */
1450        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1451            outKeySet.addAll(MOVED_TO_SECURE);
1452        }
1453
1454        /** @hide */
1455        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1456            outKeySet.addAll(MOVED_TO_GLOBAL);
1457        }
1458
1459        /**
1460         * Look up a name in the database.
1461         * @param resolver to access the database with
1462         * @param name to look up in the table
1463         * @return the corresponding value, or null if not present
1464         */
1465        public static String getString(ContentResolver resolver, String name) {
1466            return getStringForUser(resolver, name, UserHandle.myUserId());
1467        }
1468
1469        /** @hide */
1470        public static String getStringForUser(ContentResolver resolver, String name,
1471                int userHandle) {
1472            if (MOVED_TO_SECURE.contains(name)) {
1473                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1474                        + " to android.provider.Settings.Secure, returning read-only value.");
1475                return Secure.getStringForUser(resolver, name, userHandle);
1476            }
1477            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1478                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1479                        + " to android.provider.Settings.Global, returning read-only value.");
1480                return Global.getStringForUser(resolver, name, userHandle);
1481            }
1482            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1483        }
1484
1485        /**
1486         * Store a name/value pair into the database.
1487         * @param resolver to access the database with
1488         * @param name to store
1489         * @param value to associate with the name
1490         * @return true if the value was set, false on database errors
1491         */
1492        public static boolean putString(ContentResolver resolver, String name, String value) {
1493            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1494        }
1495
1496        /** @hide */
1497        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1498                int userHandle) {
1499            if (MOVED_TO_SECURE.contains(name)) {
1500                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1501                        + " to android.provider.Settings.Secure, value is unchanged.");
1502                return false;
1503            }
1504            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1505                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1506                        + " to android.provider.Settings.Global, value is unchanged.");
1507                return false;
1508            }
1509            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1510        }
1511
1512        /**
1513         * Construct the content URI for a particular name/value pair,
1514         * useful for monitoring changes with a ContentObserver.
1515         * @param name to look up in the table
1516         * @return the corresponding content URI, or null if not present
1517         */
1518        public static Uri getUriFor(String name) {
1519            if (MOVED_TO_SECURE.contains(name)) {
1520                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1521                    + " to android.provider.Settings.Secure, returning Secure URI.");
1522                return Secure.getUriFor(Secure.CONTENT_URI, name);
1523            }
1524            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1525                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1526                        + " to android.provider.Settings.Global, returning read-only global URI.");
1527                return Global.getUriFor(Global.CONTENT_URI, name);
1528            }
1529            return getUriFor(CONTENT_URI, name);
1530        }
1531
1532        /**
1533         * Convenience function for retrieving a single system settings value
1534         * as an integer.  Note that internally setting values are always
1535         * stored as strings; this function converts the string to an integer
1536         * for you.  The default value will be returned if the setting is
1537         * not defined or not an integer.
1538         *
1539         * @param cr The ContentResolver to access.
1540         * @param name The name of the setting to retrieve.
1541         * @param def Value to return if the setting is not defined.
1542         *
1543         * @return The setting's current value, or 'def' if it is not defined
1544         * or not a valid integer.
1545         */
1546        public static int getInt(ContentResolver cr, String name, int def) {
1547            return getIntForUser(cr, name, def, UserHandle.myUserId());
1548        }
1549
1550        /** @hide */
1551        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1552            String v = getStringForUser(cr, name, userHandle);
1553            try {
1554                return v != null ? Integer.parseInt(v) : def;
1555            } catch (NumberFormatException e) {
1556                return def;
1557            }
1558        }
1559
1560        /**
1561         * Convenience function for retrieving a single system settings value
1562         * as an integer.  Note that internally setting values are always
1563         * stored as strings; this function converts the string to an integer
1564         * for you.
1565         * <p>
1566         * This version does not take a default value.  If the setting has not
1567         * been set, or the string value is not a number,
1568         * it throws {@link SettingNotFoundException}.
1569         *
1570         * @param cr The ContentResolver to access.
1571         * @param name The name of the setting to retrieve.
1572         *
1573         * @throws SettingNotFoundException Thrown if a setting by the given
1574         * name can't be found or the setting value is not an integer.
1575         *
1576         * @return The setting's current value.
1577         */
1578        public static int getInt(ContentResolver cr, String name)
1579                throws SettingNotFoundException {
1580            return getIntForUser(cr, name, UserHandle.myUserId());
1581        }
1582
1583        /** @hide */
1584        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1585                throws SettingNotFoundException {
1586            String v = getStringForUser(cr, name, userHandle);
1587            try {
1588                return Integer.parseInt(v);
1589            } catch (NumberFormatException e) {
1590                throw new SettingNotFoundException(name);
1591            }
1592        }
1593
1594        /**
1595         * Convenience function for updating a single settings value as an
1596         * integer. This will either create a new entry in the table if the
1597         * given name does not exist, or modify the value of the existing row
1598         * with that name.  Note that internally setting values are always
1599         * stored as strings, so this function converts the given value to a
1600         * string before storing it.
1601         *
1602         * @param cr The ContentResolver to access.
1603         * @param name The name of the setting to modify.
1604         * @param value The new value for the setting.
1605         * @return true if the value was set, false on database errors
1606         */
1607        public static boolean putInt(ContentResolver cr, String name, int value) {
1608            return putIntForUser(cr, name, value, UserHandle.myUserId());
1609        }
1610
1611        /** @hide */
1612        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1613                int userHandle) {
1614            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1615        }
1616
1617        /**
1618         * Convenience function for retrieving a single system settings value
1619         * as a {@code long}.  Note that internally setting values are always
1620         * stored as strings; this function converts the string to a {@code long}
1621         * for you.  The default value will be returned if the setting is
1622         * not defined or not a {@code long}.
1623         *
1624         * @param cr The ContentResolver to access.
1625         * @param name The name of the setting to retrieve.
1626         * @param def Value to return if the setting is not defined.
1627         *
1628         * @return The setting's current value, or 'def' if it is not defined
1629         * or not a valid {@code long}.
1630         */
1631        public static long getLong(ContentResolver cr, String name, long def) {
1632            return getLongForUser(cr, name, def, UserHandle.myUserId());
1633        }
1634
1635        /** @hide */
1636        public static long getLongForUser(ContentResolver cr, String name, long def,
1637                int userHandle) {
1638            String valString = getStringForUser(cr, name, userHandle);
1639            long value;
1640            try {
1641                value = valString != null ? Long.parseLong(valString) : def;
1642            } catch (NumberFormatException e) {
1643                value = def;
1644            }
1645            return value;
1646        }
1647
1648        /**
1649         * Convenience function for retrieving a single system settings value
1650         * as a {@code long}.  Note that internally setting values are always
1651         * stored as strings; this function converts the string to a {@code long}
1652         * for you.
1653         * <p>
1654         * This version does not take a default value.  If the setting has not
1655         * been set, or the string value is not a number,
1656         * it throws {@link SettingNotFoundException}.
1657         *
1658         * @param cr The ContentResolver to access.
1659         * @param name The name of the setting to retrieve.
1660         *
1661         * @return The setting's current value.
1662         * @throws SettingNotFoundException Thrown if a setting by the given
1663         * name can't be found or the setting value is not an integer.
1664         */
1665        public static long getLong(ContentResolver cr, String name)
1666                throws SettingNotFoundException {
1667            return getLongForUser(cr, name, UserHandle.myUserId());
1668        }
1669
1670        /** @hide */
1671        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1672                throws SettingNotFoundException {
1673            String valString = getStringForUser(cr, name, userHandle);
1674            try {
1675                return Long.parseLong(valString);
1676            } catch (NumberFormatException e) {
1677                throw new SettingNotFoundException(name);
1678            }
1679        }
1680
1681        /**
1682         * Convenience function for updating a single settings value as a long
1683         * integer. This will either create a new entry in the table if the
1684         * given name does not exist, or modify the value of the existing row
1685         * with that name.  Note that internally setting values are always
1686         * stored as strings, so this function converts the given value to a
1687         * string before storing it.
1688         *
1689         * @param cr The ContentResolver to access.
1690         * @param name The name of the setting to modify.
1691         * @param value The new value for the setting.
1692         * @return true if the value was set, false on database errors
1693         */
1694        public static boolean putLong(ContentResolver cr, String name, long value) {
1695            return putLongForUser(cr, name, value, UserHandle.myUserId());
1696        }
1697
1698        /** @hide */
1699        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1700                int userHandle) {
1701            return putStringForUser(cr, name, Long.toString(value), userHandle);
1702        }
1703
1704        /**
1705         * Convenience function for retrieving a single system settings value
1706         * as a floating point number.  Note that internally setting values are
1707         * always stored as strings; this function converts the string to an
1708         * float for you. The default value will be returned if the setting
1709         * is not defined or not a valid float.
1710         *
1711         * @param cr The ContentResolver to access.
1712         * @param name The name of the setting to retrieve.
1713         * @param def Value to return if the setting is not defined.
1714         *
1715         * @return The setting's current value, or 'def' if it is not defined
1716         * or not a valid float.
1717         */
1718        public static float getFloat(ContentResolver cr, String name, float def) {
1719            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1720        }
1721
1722        /** @hide */
1723        public static float getFloatForUser(ContentResolver cr, String name, float def,
1724                int userHandle) {
1725            String v = getStringForUser(cr, name, userHandle);
1726            try {
1727                return v != null ? Float.parseFloat(v) : def;
1728            } catch (NumberFormatException e) {
1729                return def;
1730            }
1731        }
1732
1733        /**
1734         * Convenience function for retrieving a single system settings value
1735         * as a float.  Note that internally setting values are always
1736         * stored as strings; this function converts the string to a float
1737         * for you.
1738         * <p>
1739         * This version does not take a default value.  If the setting has not
1740         * been set, or the string value is not a number,
1741         * it throws {@link SettingNotFoundException}.
1742         *
1743         * @param cr The ContentResolver to access.
1744         * @param name The name of the setting to retrieve.
1745         *
1746         * @throws SettingNotFoundException Thrown if a setting by the given
1747         * name can't be found or the setting value is not a float.
1748         *
1749         * @return The setting's current value.
1750         */
1751        public static float getFloat(ContentResolver cr, String name)
1752                throws SettingNotFoundException {
1753            return getFloatForUser(cr, name, UserHandle.myUserId());
1754        }
1755
1756        /** @hide */
1757        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1758                throws SettingNotFoundException {
1759            String v = getStringForUser(cr, name, userHandle);
1760            if (v == null) {
1761                throw new SettingNotFoundException(name);
1762            }
1763            try {
1764                return Float.parseFloat(v);
1765            } catch (NumberFormatException e) {
1766                throw new SettingNotFoundException(name);
1767            }
1768        }
1769
1770        /**
1771         * Convenience function for updating a single settings value as a
1772         * floating point number. This will either create a new entry in the
1773         * table if the given name does not exist, or modify the value of the
1774         * existing row with that name.  Note that internally setting values
1775         * are always stored as strings, so this function converts the given
1776         * value to a string before storing it.
1777         *
1778         * @param cr The ContentResolver to access.
1779         * @param name The name of the setting to modify.
1780         * @param value The new value for the setting.
1781         * @return true if the value was set, false on database errors
1782         */
1783        public static boolean putFloat(ContentResolver cr, String name, float value) {
1784            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1785        }
1786
1787        /** @hide */
1788        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1789                int userHandle) {
1790            return putStringForUser(cr, name, Float.toString(value), userHandle);
1791        }
1792
1793        /**
1794         * Convenience function to read all of the current
1795         * configuration-related settings into a
1796         * {@link Configuration} object.
1797         *
1798         * @param cr The ContentResolver to access.
1799         * @param outConfig Where to place the configuration settings.
1800         */
1801        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1802            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1803        }
1804
1805        /** @hide */
1806        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1807                int userHandle) {
1808            outConfig.fontScale = Settings.System.getFloatForUser(
1809                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1810            if (outConfig.fontScale < 0) {
1811                outConfig.fontScale = 1;
1812            }
1813        }
1814
1815        /**
1816         * @hide Erase the fields in the Configuration that should be applied
1817         * by the settings.
1818         */
1819        public static void clearConfiguration(Configuration inoutConfig) {
1820            inoutConfig.fontScale = 0;
1821        }
1822
1823        /**
1824         * Convenience function to write a batch of configuration-related
1825         * settings from a {@link Configuration} object.
1826         *
1827         * @param cr The ContentResolver to access.
1828         * @param config The settings to write.
1829         * @return true if the values were set, false on database errors
1830         */
1831        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1832            return putConfigurationForUser(cr, config, UserHandle.myUserId());
1833        }
1834
1835        /** @hide */
1836        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
1837                int userHandle) {
1838            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
1839        }
1840
1841        /** @hide */
1842        public static boolean hasInterestingConfigurationChanges(int changes) {
1843            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1844        }
1845
1846        /** @deprecated - Do not use */
1847        @Deprecated
1848        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1849            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
1850        }
1851
1852        /**
1853         * @hide
1854         * @deprecated - Do not use
1855         */
1856        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
1857                int userHandle) {
1858            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
1859        }
1860
1861        /** @deprecated - Do not use */
1862        @Deprecated
1863        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1864            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
1865        }
1866
1867        /**
1868         * @hide
1869         * @deprecated - Do not use
1870         */
1871        @Deprecated
1872        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
1873                int userHandle) {
1874            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
1875        }
1876
1877        private static final class DiscreteValueValidator implements Validator {
1878            private final String[] mValues;
1879
1880            public DiscreteValueValidator(String[] values) {
1881                mValues = values;
1882            }
1883
1884            @Override
1885            public boolean validate(String value) {
1886                return ArrayUtils.contains(mValues, value);
1887            }
1888        }
1889
1890        private static final class InclusiveIntegerRangeValidator implements Validator {
1891            private final int mMin;
1892            private final int mMax;
1893
1894            public InclusiveIntegerRangeValidator(int min, int max) {
1895                mMin = min;
1896                mMax = max;
1897            }
1898
1899            @Override
1900            public boolean validate(String value) {
1901                try {
1902                    final int intValue = Integer.parseInt(value);
1903                    return intValue >= mMin && intValue <= mMax;
1904                } catch (NumberFormatException e) {
1905                    return false;
1906                }
1907            }
1908        }
1909
1910        private static final class InclusiveFloatRangeValidator implements Validator {
1911            private final float mMin;
1912            private final float mMax;
1913
1914            public InclusiveFloatRangeValidator(float min, float max) {
1915                mMin = min;
1916                mMax = max;
1917            }
1918
1919            @Override
1920            public boolean validate(String value) {
1921                try {
1922                    final float floatValue = Float.parseFloat(value);
1923                    return floatValue >= mMin && floatValue <= mMax;
1924                } catch (NumberFormatException e) {
1925                    return false;
1926                }
1927            }
1928        }
1929
1930        /**
1931         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
1932         */
1933        @Deprecated
1934        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
1935
1936        /**
1937         * What happens when the user presses the end call button if they're not
1938         * on a call.<br/>
1939         * <b>Values:</b><br/>
1940         * 0 - The end button does nothing.<br/>
1941         * 1 - The end button goes to the home screen.<br/>
1942         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1943         * 3 - The end button goes to the home screen.  If the user is already on the
1944         * home screen, it puts the device to sleep.
1945         */
1946        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1947
1948        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
1949                new InclusiveIntegerRangeValidator(0, 3);
1950
1951        /**
1952         * END_BUTTON_BEHAVIOR value for "go home".
1953         * @hide
1954         */
1955        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1956
1957        /**
1958         * END_BUTTON_BEHAVIOR value for "go to sleep".
1959         * @hide
1960         */
1961        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1962
1963        /**
1964         * END_BUTTON_BEHAVIOR default value.
1965         * @hide
1966         */
1967        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1968
1969        /**
1970         * Is advanced settings mode turned on. 0 == no, 1 == yes
1971         * @hide
1972         */
1973        public static final String ADVANCED_SETTINGS = "advanced_settings";
1974
1975        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
1976
1977        /**
1978         * ADVANCED_SETTINGS default value.
1979         * @hide
1980         */
1981        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1982
1983        /**
1984         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
1985         */
1986        @Deprecated
1987        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
1988
1989        /**
1990         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
1991         */
1992        @Deprecated
1993        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
1994
1995        /**
1996         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
1997         */
1998        @Deprecated
1999        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2000
2001        /**
2002         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2003         * {@hide}
2004         */
2005        @Deprecated
2006        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2007
2008        /**
2009         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2010         */
2011        @Deprecated
2012        public static final String RADIO_CELL = Global.RADIO_CELL;
2013
2014        /**
2015         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2016         */
2017        @Deprecated
2018        public static final String RADIO_NFC = Global.RADIO_NFC;
2019
2020        /**
2021         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2022         */
2023        @Deprecated
2024        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2025
2026        /**
2027         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2028         *
2029         * {@hide}
2030         */
2031        @Deprecated
2032        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2033                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2034
2035        /**
2036         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2037         */
2038        @Deprecated
2039        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2040
2041        /**
2042         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2043         */
2044        @Deprecated
2045        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2046
2047        /**
2048         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2049         */
2050        @Deprecated
2051        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2052                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2053
2054        /**
2055         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2056         */
2057        @Deprecated
2058        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2059
2060        /**
2061         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2062         */
2063        @Deprecated
2064        public static final String MODE_RINGER = Global.MODE_RINGER;
2065
2066        /**
2067         * Whether to use static IP and other static network attributes.
2068         * <p>
2069         * Set to 1 for true and 0 for false.
2070         *
2071         * @deprecated Use {@link WifiManager} instead
2072         */
2073        @Deprecated
2074        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2075
2076        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2077
2078        /**
2079         * The static IP address.
2080         * <p>
2081         * Example: "192.168.1.51"
2082         *
2083         * @deprecated Use {@link WifiManager} instead
2084         */
2085        @Deprecated
2086        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2087
2088        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2089
2090        /**
2091         * If using static IP, the gateway's IP address.
2092         * <p>
2093         * Example: "192.168.1.1"
2094         *
2095         * @deprecated Use {@link WifiManager} instead
2096         */
2097        @Deprecated
2098        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2099
2100        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2101
2102        /**
2103         * If using static IP, the net mask.
2104         * <p>
2105         * Example: "255.255.255.0"
2106         *
2107         * @deprecated Use {@link WifiManager} instead
2108         */
2109        @Deprecated
2110        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2111
2112        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2113
2114        /**
2115         * If using static IP, the primary DNS's IP address.
2116         * <p>
2117         * Example: "192.168.1.1"
2118         *
2119         * @deprecated Use {@link WifiManager} instead
2120         */
2121        @Deprecated
2122        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2123
2124        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2125
2126        /**
2127         * If using static IP, the secondary DNS's IP address.
2128         * <p>
2129         * Example: "192.168.1.2"
2130         *
2131         * @deprecated Use {@link WifiManager} instead
2132         */
2133        @Deprecated
2134        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2135
2136        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2137
2138        /**
2139         * Determines whether remote devices may discover and/or connect to
2140         * this device.
2141         * <P>Type: INT</P>
2142         * 2 -- discoverable and connectable
2143         * 1 -- connectable but not discoverable
2144         * 0 -- neither connectable nor discoverable
2145         */
2146        public static final String BLUETOOTH_DISCOVERABILITY =
2147            "bluetooth_discoverability";
2148
2149        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2150                new InclusiveIntegerRangeValidator(0, 2);
2151
2152        /**
2153         * Bluetooth discoverability timeout.  If this value is nonzero, then
2154         * Bluetooth becomes discoverable for a certain number of seconds,
2155         * after which is becomes simply connectable.  The value is in seconds.
2156         */
2157        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2158            "bluetooth_discoverability_timeout";
2159
2160        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2161                sNonNegativeIntegerValidator;
2162
2163        /**
2164         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2165         * instead
2166         */
2167        @Deprecated
2168        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2169
2170        /**
2171         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2172         * instead
2173         */
2174        @Deprecated
2175        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2176
2177        /**
2178         * @deprecated Use
2179         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2180         * instead
2181         */
2182        @Deprecated
2183        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2184            "lock_pattern_tactile_feedback_enabled";
2185
2186        /**
2187         * A formatted string of the next alarm that is set, or the empty string
2188         * if there is no alarm set.
2189         *
2190         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2191         */
2192        @Deprecated
2193        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2194
2195        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2196            private static final int MAX_LENGTH = 1000;
2197
2198            @Override
2199            public boolean validate(String value) {
2200                // TODO: No idea what the correct format is.
2201                return value == null || value.length() < MAX_LENGTH;
2202            }
2203        };
2204
2205        /**
2206         * Scaling factor for fonts, float.
2207         */
2208        public static final String FONT_SCALE = "font_scale";
2209
2210        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2211            @Override
2212            public boolean validate(String value) {
2213                try {
2214                    return Float.parseFloat(value) >= 0;
2215                } catch (NumberFormatException e) {
2216                    return false;
2217                }
2218            }
2219        };
2220
2221        /**
2222         * Name of an application package to be debugged.
2223         *
2224         * @deprecated Use {@link Global#DEBUG_APP} instead
2225         */
2226        @Deprecated
2227        public static final String DEBUG_APP = Global.DEBUG_APP;
2228
2229        /**
2230         * If 1, when launching DEBUG_APP it will wait for the debugger before
2231         * starting user code.  If 0, it will run normally.
2232         *
2233         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2234         */
2235        @Deprecated
2236        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2237
2238        /**
2239         * Whether or not to dim the screen. 0=no  1=yes
2240         * @deprecated This setting is no longer used.
2241         */
2242        @Deprecated
2243        public static final String DIM_SCREEN = "dim_screen";
2244
2245        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2246
2247        /**
2248         * The amount of time in milliseconds before the device goes to sleep or begins
2249         * to dream after a period of inactivity.  This value is also known as the
2250         * user activity timeout period since the screen isn't necessarily turned off
2251         * when it expires.
2252         */
2253        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2254
2255        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2256
2257        /**
2258         * The screen backlight brightness between 0 and 255.
2259         */
2260        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2261
2262        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2263                new InclusiveIntegerRangeValidator(0, 255);
2264
2265        /**
2266         * Control whether to enable automatic brightness mode.
2267         */
2268        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2269
2270        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2271
2272        /**
2273         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2274         * or less (<0.0 >-1.0) bright.
2275         * @hide
2276         */
2277        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2278
2279        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2280                new InclusiveFloatRangeValidator(-1, 1);
2281
2282        /**
2283         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2284         */
2285        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2286
2287        /**
2288         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2289         */
2290        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2291
2292        /**
2293         * Control whether the process CPU usage meter should be shown.
2294         *
2295         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2296         */
2297        @Deprecated
2298        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2299
2300        /**
2301         * If 1, the activity manager will aggressively finish activities and
2302         * processes as soon as they are no longer needed.  If 0, the normal
2303         * extended lifetime is used.
2304         *
2305         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2306         */
2307        @Deprecated
2308        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2309
2310        /**
2311         * Determines which streams are affected by ringer mode changes. The
2312         * stream type's bit should be set to 1 if it should be muted when going
2313         * into an inaudible ringer mode.
2314         */
2315        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2316
2317        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2318                sNonNegativeIntegerValidator;
2319
2320        /**
2321          * Determines which streams are affected by mute. The
2322          * stream type's bit should be set to 1 if it should be muted when a mute request
2323          * is received.
2324          */
2325        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2326
2327        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2328                sNonNegativeIntegerValidator;
2329
2330        /**
2331         * Whether vibrate is on for different events. This is used internally,
2332         * changing this value will not change the vibrate. See AudioManager.
2333         */
2334        public static final String VIBRATE_ON = "vibrate_on";
2335
2336        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2337
2338        /**
2339         * If 1, redirects the system vibrator to all currently attached input devices
2340         * that support vibration.  If there are no such input devices, then the system
2341         * vibrator is used instead.
2342         * If 0, does not register the system vibrator.
2343         *
2344         * This setting is mainly intended to provide a compatibility mechanism for
2345         * applications that only know about the system vibrator and do not use the
2346         * input device vibrator API.
2347         *
2348         * @hide
2349         */
2350        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2351
2352        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2353
2354        /**
2355         * Ringer volume. This is used internally, changing this value will not
2356         * change the volume. See AudioManager.
2357         *
2358         * @removed Not used by anything since API 2.
2359         */
2360        public static final String VOLUME_RING = "volume_ring";
2361
2362        /**
2363         * System/notifications volume. This is used internally, changing this
2364         * value will not change the volume. See AudioManager.
2365         *
2366         * @removed Not used by anything since API 2.
2367         */
2368        public static final String VOLUME_SYSTEM = "volume_system";
2369
2370        /**
2371         * Voice call volume. This is used internally, changing this value will
2372         * not change the volume. See AudioManager.
2373         *
2374         * @removed Not used by anything since API 2.
2375         */
2376        public static final String VOLUME_VOICE = "volume_voice";
2377
2378        /**
2379         * Music/media/gaming volume. This is used internally, changing this
2380         * value will not change the volume. See AudioManager.
2381         *
2382         * @removed Not used by anything since API 2.
2383         */
2384        public static final String VOLUME_MUSIC = "volume_music";
2385
2386        /**
2387         * Alarm volume. This is used internally, changing this
2388         * value will not change the volume. See AudioManager.
2389         *
2390         * @removed Not used by anything since API 2.
2391         */
2392        public static final String VOLUME_ALARM = "volume_alarm";
2393
2394        /**
2395         * Notification volume. This is used internally, changing this
2396         * value will not change the volume. See AudioManager.
2397         *
2398         * @removed Not used by anything since API 2.
2399         */
2400        public static final String VOLUME_NOTIFICATION = "volume_notification";
2401
2402        /**
2403         * Bluetooth Headset volume. This is used internally, changing this value will
2404         * not change the volume. See AudioManager.
2405         *
2406         * @removed Not used by anything since API 2.
2407         */
2408        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2409
2410        /**
2411         * Master volume (float in the range 0.0f to 1.0f).
2412         *
2413         * @hide
2414         */
2415        public static final String VOLUME_MASTER = "volume_master";
2416
2417        /**
2418         * Master volume mute (int 1 = mute, 0 = not muted).
2419         *
2420         * @hide
2421         */
2422        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2423
2424        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2425
2426        /**
2427         * Microphone mute (int 1 = mute, 0 = not muted).
2428         *
2429         * @hide
2430         */
2431        public static final String MICROPHONE_MUTE = "microphone_mute";
2432
2433        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2434
2435        /**
2436         * Whether the notifications should use the ring volume (value of 1) or
2437         * a separate notification volume (value of 0). In most cases, users
2438         * will have this enabled so the notification and ringer volumes will be
2439         * the same. However, power users can disable this and use the separate
2440         * notification volume control.
2441         * <p>
2442         * Note: This is a one-off setting that will be removed in the future
2443         * when there is profile support. For this reason, it is kept hidden
2444         * from the public APIs.
2445         *
2446         * @hide
2447         * @deprecated
2448         */
2449        @Deprecated
2450        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2451            "notifications_use_ring_volume";
2452
2453        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2454
2455        /**
2456         * Whether silent mode should allow vibration feedback. This is used
2457         * internally in AudioService and the Sound settings activity to
2458         * coordinate decoupling of vibrate and silent modes. This setting
2459         * will likely be removed in a future release with support for
2460         * audio/vibe feedback profiles.
2461         *
2462         * Not used anymore. On devices with vibrator, the user explicitly selects
2463         * silent or vibrate mode.
2464         * Kept for use by legacy database upgrade code in DatabaseHelper.
2465         * @hide
2466         */
2467        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2468
2469        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2470
2471        /**
2472         * The mapping of stream type (integer) to its setting.
2473         *
2474         * @removed  Not used by anything since API 2.
2475         */
2476        public static final String[] VOLUME_SETTINGS = {
2477            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2478            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2479        };
2480
2481        /**
2482         * Appended to various volume related settings to record the previous
2483         * values before they the settings were affected by a silent/vibrate
2484         * ringer mode change.
2485         *
2486         * @removed  Not used by anything since API 2.
2487         */
2488        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2489
2490        /**
2491         * Persistent store for the system-wide default ringtone URI.
2492         * <p>
2493         * If you need to play the default ringtone at any given time, it is recommended
2494         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2495         * to the set default ringtone at the time of playing.
2496         *
2497         * @see #DEFAULT_RINGTONE_URI
2498         */
2499        public static final String RINGTONE = "ringtone";
2500
2501        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2502
2503        /**
2504         * A {@link Uri} that will point to the current default ringtone at any
2505         * given time.
2506         * <p>
2507         * If the current default ringtone is in the DRM provider and the caller
2508         * does not have permission, the exception will be a
2509         * FileNotFoundException.
2510         */
2511        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2512
2513        /**
2514         * Persistent store for the system-wide default notification sound.
2515         *
2516         * @see #RINGTONE
2517         * @see #DEFAULT_NOTIFICATION_URI
2518         */
2519        public static final String NOTIFICATION_SOUND = "notification_sound";
2520
2521        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2522
2523        /**
2524         * A {@link Uri} that will point to the current default notification
2525         * sound at any given time.
2526         *
2527         * @see #DEFAULT_RINGTONE_URI
2528         */
2529        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2530
2531        /**
2532         * Persistent store for the system-wide default alarm alert.
2533         *
2534         * @see #RINGTONE
2535         * @see #DEFAULT_ALARM_ALERT_URI
2536         */
2537        public static final String ALARM_ALERT = "alarm_alert";
2538
2539        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2540
2541        /**
2542         * A {@link Uri} that will point to the current default alarm alert at
2543         * any given time.
2544         *
2545         * @see #DEFAULT_ALARM_ALERT_URI
2546         */
2547        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2548
2549        /**
2550         * Persistent store for the system default media button event receiver.
2551         *
2552         * @hide
2553         */
2554        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2555
2556        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2557            @Override
2558            public boolean validate(String value) {
2559                try {
2560                    ComponentName.unflattenFromString(value);
2561                    return true;
2562                } catch (NullPointerException e) {
2563                    return false;
2564                }
2565            }
2566        };
2567
2568        /**
2569         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2570         */
2571        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2572
2573        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2574
2575        /**
2576         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2577         */
2578        public static final String TEXT_AUTO_CAPS = "auto_caps";
2579
2580        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2581
2582        /**
2583         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2584         * feature converts two spaces to a "." and space.
2585         */
2586        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2587
2588        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2589
2590        /**
2591         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2592         */
2593        public static final String TEXT_SHOW_PASSWORD = "show_password";
2594
2595        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2596
2597        public static final String SHOW_GTALK_SERVICE_STATUS =
2598                "SHOW_GTALK_SERVICE_STATUS";
2599
2600        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2601
2602        /**
2603         * Name of activity to use for wallpaper on the home screen.
2604         *
2605         * @deprecated Use {@link WallpaperManager} instead.
2606         */
2607        @Deprecated
2608        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2609
2610        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2611            private static final int MAX_LENGTH = 1000;
2612
2613            @Override
2614            public boolean validate(String value) {
2615                if (value != null && value.length() > MAX_LENGTH) {
2616                    return false;
2617                }
2618                return ComponentName.unflattenFromString(value) != null;
2619            }
2620        };
2621
2622        /**
2623         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2624         * instead
2625         */
2626        @Deprecated
2627        public static final String AUTO_TIME = Global.AUTO_TIME;
2628
2629        /**
2630         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2631         * instead
2632         */
2633        @Deprecated
2634        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2635
2636        /**
2637         * Display times as 12 or 24 hours
2638         *   12
2639         *   24
2640         */
2641        public static final String TIME_12_24 = "time_12_24";
2642
2643        /** @hide */
2644        public static final Validator TIME_12_24_VALIDATOR =
2645                new DiscreteValueValidator(new String[] {"12", "24"});
2646
2647        /**
2648         * Date format string
2649         *   mm/dd/yyyy
2650         *   dd/mm/yyyy
2651         *   yyyy/mm/dd
2652         */
2653        public static final String DATE_FORMAT = "date_format";
2654
2655        /** @hide */
2656        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2657            @Override
2658            public boolean validate(String value) {
2659                try {
2660                    new SimpleDateFormat(value);
2661                    return true;
2662                } catch (IllegalArgumentException e) {
2663                    return false;
2664                }
2665            }
2666        };
2667
2668        /**
2669         * Whether the setup wizard has been run before (on first boot), or if
2670         * it still needs to be run.
2671         *
2672         * nonzero = it has been run in the past
2673         * 0 = it has not been run in the past
2674         */
2675        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2676
2677        /** @hide */
2678        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2679
2680        /**
2681         * Scaling factor for normal window animations. Setting to 0 will disable window
2682         * animations.
2683         *
2684         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2685         */
2686        @Deprecated
2687        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2688
2689        /**
2690         * Scaling factor for activity transition animations. Setting to 0 will disable window
2691         * animations.
2692         *
2693         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2694         */
2695        @Deprecated
2696        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2697
2698        /**
2699         * Scaling factor for Animator-based animations. This affects both the start delay and
2700         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2701         * The default value is 1.
2702         *
2703         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2704         */
2705        @Deprecated
2706        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2707
2708        /**
2709         * Control whether the accelerometer will be used to change screen
2710         * orientation.  If 0, it will not be used unless explicitly requested
2711         * by the application; if 1, it will be used by default unless explicitly
2712         * disabled by the application.
2713         */
2714        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2715
2716        /** @hide */
2717        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2718
2719        /**
2720         * Default screen rotation when no other policy applies.
2721         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2722         * preference, this rotation value will be used. Must be one of the
2723         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2724         *
2725         * @see android.view.Display#getRotation
2726         */
2727        public static final String USER_ROTATION = "user_rotation";
2728
2729        /** @hide */
2730        public static final Validator USER_ROTATION_VALIDATOR =
2731                new InclusiveIntegerRangeValidator(0, 3);
2732
2733        /**
2734         * Control whether the rotation lock toggle in the System UI should be hidden.
2735         * Typically this is done for accessibility purposes to make it harder for
2736         * the user to accidentally toggle the rotation lock while the display rotation
2737         * has been locked for accessibility.
2738         *
2739         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2740         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2741         *
2742         * @hide
2743         */
2744        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2745                "hide_rotation_lock_toggle_for_accessibility";
2746
2747        /** @hide */
2748        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2749                sBooleanValidator;
2750
2751        /**
2752         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2753         * be used by Phone and Setting apps; it shouldn't affect other apps.
2754         * The value is boolean (1 or 0).
2755         *
2756         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2757         * It was about AudioManager's setting and thus affected all the applications which
2758         * relied on the setting, while this is purely about the vibration setting for incoming
2759         * calls.
2760         *
2761         * @hide
2762         */
2763        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2764
2765        /** @hide */
2766        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2767
2768        /**
2769         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2770         * boolean (1 or 0).
2771         */
2772        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2773
2774        /** @hide */
2775        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2776
2777        /**
2778         * CDMA only settings
2779         * DTMF tone type played by the dialer when dialing.
2780         *                 0 = Normal
2781         *                 1 = Long
2782         * @hide
2783         */
2784        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2785
2786        /** @hide */
2787        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2788
2789        /**
2790         * Whether the hearing aid is enabled. The value is
2791         * boolean (1 or 0).
2792         * @hide
2793         */
2794        public static final String HEARING_AID = "hearing_aid";
2795
2796        /** @hide */
2797        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2798
2799        /**
2800         * CDMA only settings
2801         * TTY Mode
2802         * 0 = OFF
2803         * 1 = FULL
2804         * 2 = VCO
2805         * 3 = HCO
2806         * @hide
2807         */
2808        public static final String TTY_MODE = "tty_mode";
2809
2810        /** @hide */
2811        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2812
2813        /**
2814         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2815         * boolean (1 or 0).
2816         */
2817        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2818
2819        /** @hide */
2820        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
2821
2822        /**
2823         * Whether the haptic feedback (long presses, ...) are enabled. The value is
2824         * boolean (1 or 0).
2825         */
2826        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
2827
2828        /** @hide */
2829        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
2830
2831        /**
2832         * @deprecated Each application that shows web suggestions should have its own
2833         * setting for this.
2834         */
2835        @Deprecated
2836        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
2837
2838        /** @hide */
2839        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
2840
2841        /**
2842         * Whether the notification LED should repeatedly flash when a notification is
2843         * pending. The value is boolean (1 or 0).
2844         * @hide
2845         */
2846        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
2847
2848        /** @hide */
2849        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
2850
2851        /**
2852         * Show pointer location on screen?
2853         * 0 = no
2854         * 1 = yes
2855         * @hide
2856         */
2857        public static final String POINTER_LOCATION = "pointer_location";
2858
2859        /** @hide */
2860        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
2861
2862        /**
2863         * Show touch positions on screen?
2864         * 0 = no
2865         * 1 = yes
2866         * @hide
2867         */
2868        public static final String SHOW_TOUCHES = "show_touches";
2869
2870        /** @hide */
2871        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
2872
2873        /**
2874         * Log raw orientation data from
2875         * {@link com.android.server.policy.WindowOrientationListener} for use with the
2876         * orientationplot.py tool.
2877         * 0 = no
2878         * 1 = yes
2879         * @hide
2880         */
2881        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
2882                "window_orientation_listener_log";
2883
2884        /** @hide */
2885        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
2886
2887        /**
2888         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
2889         * instead
2890         * @hide
2891         */
2892        @Deprecated
2893        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
2894
2895        /**
2896         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
2897         * instead
2898         * @hide
2899         */
2900        @Deprecated
2901        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
2902
2903        /**
2904         * Whether to play sounds when the keyguard is shown and dismissed.
2905         * @hide
2906         */
2907        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
2908
2909        /** @hide */
2910        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
2911
2912        /**
2913         * Whether the lockscreen should be completely disabled.
2914         * @hide
2915         */
2916        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
2917
2918        /** @hide */
2919        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
2920
2921        /**
2922         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
2923         * instead
2924         * @hide
2925         */
2926        @Deprecated
2927        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
2928
2929        /**
2930         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
2931         * instead
2932         * @hide
2933         */
2934        @Deprecated
2935        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
2936
2937        /**
2938         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
2939         * instead
2940         * @hide
2941         */
2942        @Deprecated
2943        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
2944
2945        /**
2946         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
2947         * instead
2948         * @hide
2949         */
2950        @Deprecated
2951        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
2952
2953        /**
2954         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
2955         * instead
2956         * @hide
2957         */
2958        @Deprecated
2959        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
2960
2961        /**
2962         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
2963         * instead
2964         * @hide
2965         */
2966        @Deprecated
2967        public static final String LOCK_SOUND = Global.LOCK_SOUND;
2968
2969        /**
2970         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
2971         * instead
2972         * @hide
2973         */
2974        @Deprecated
2975        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
2976
2977        /**
2978         * Receive incoming SIP calls?
2979         * 0 = no
2980         * 1 = yes
2981         * @hide
2982         */
2983        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
2984
2985        /** @hide */
2986        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
2987
2988        /**
2989         * Call Preference String.
2990         * "SIP_ALWAYS" : Always use SIP with network access
2991         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
2992         * @hide
2993         */
2994        public static final String SIP_CALL_OPTIONS = "sip_call_options";
2995
2996        /** @hide */
2997        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
2998                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
2999
3000        /**
3001         * One of the sip call options: Always use SIP with network access.
3002         * @hide
3003         */
3004        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3005
3006        /** @hide */
3007        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3008
3009        /**
3010         * One of the sip call options: Only if destination is a SIP address.
3011         * @hide
3012         */
3013        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3014
3015        /** @hide */
3016        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3017
3018        /**
3019         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3020         * the user should be prompted each time a call is made whether it should be placed using
3021         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3022         * SIP_ADDRESS_ONLY.
3023         * @hide
3024         */
3025        @Deprecated
3026        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3027
3028        /** @hide */
3029        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3030
3031        /**
3032         * Pointer speed setting.
3033         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3034         *   -7 = slowest
3035         *    0 = default speed
3036         *   +7 = fastest
3037         * @hide
3038         */
3039        public static final String POINTER_SPEED = "pointer_speed";
3040
3041        /** @hide */
3042        public static final Validator POINTER_SPEED_VALIDATOR =
3043                new InclusiveFloatRangeValidator(-7, 7);
3044
3045        /**
3046         * Whether lock-to-app will be triggered by long-press on recents.
3047         * @hide
3048         */
3049        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3050
3051        /** @hide */
3052        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3053
3054        /**
3055         * I am the lolrus.
3056         * <p>
3057         * Nonzero values indicate that the user has a bukkit.
3058         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3059         * @hide
3060         */
3061        public static final String EGG_MODE = "egg_mode";
3062
3063        /** @hide */
3064        public static final Validator EGG_MODE_VALIDATOR = sBooleanValidator;
3065
3066        /**
3067         * IMPORTANT: If you add a new public settings you also have to add it to
3068         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3069         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3070         * the setting value. See an example above.
3071         */
3072
3073        /**
3074         * Settings to backup. This is here so that it's in the same place as the settings
3075         * keys and easy to update.
3076         *
3077         * NOTE: Settings are backed up and restored in the order they appear
3078         *       in this array. If you have one setting depending on another,
3079         *       make sure that they are ordered appropriately.
3080         *
3081         * @hide
3082         */
3083        public static final String[] SETTINGS_TO_BACKUP = {
3084            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3085            WIFI_USE_STATIC_IP,
3086            WIFI_STATIC_IP,
3087            WIFI_STATIC_GATEWAY,
3088            WIFI_STATIC_NETMASK,
3089            WIFI_STATIC_DNS1,
3090            WIFI_STATIC_DNS2,
3091            BLUETOOTH_DISCOVERABILITY,
3092            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3093            DIM_SCREEN,
3094            SCREEN_OFF_TIMEOUT,
3095            SCREEN_BRIGHTNESS,
3096            SCREEN_BRIGHTNESS_MODE,
3097            SCREEN_AUTO_BRIGHTNESS_ADJ,
3098            VIBRATE_INPUT_DEVICES,
3099            MODE_RINGER_STREAMS_AFFECTED,
3100            TEXT_AUTO_REPLACE,
3101            TEXT_AUTO_CAPS,
3102            TEXT_AUTO_PUNCTUATE,
3103            TEXT_SHOW_PASSWORD,
3104            AUTO_TIME,                  // moved to global
3105            AUTO_TIME_ZONE,             // moved to global
3106            TIME_12_24,
3107            DATE_FORMAT,
3108            DTMF_TONE_WHEN_DIALING,
3109            DTMF_TONE_TYPE_WHEN_DIALING,
3110            HEARING_AID,
3111            TTY_MODE,
3112            SOUND_EFFECTS_ENABLED,
3113            HAPTIC_FEEDBACK_ENABLED,
3114            POWER_SOUNDS_ENABLED,       // moved to global
3115            DOCK_SOUNDS_ENABLED,        // moved to global
3116            LOCKSCREEN_SOUNDS_ENABLED,
3117            SHOW_WEB_SUGGESTIONS,
3118            NOTIFICATION_LIGHT_PULSE,
3119            SIP_CALL_OPTIONS,
3120            SIP_RECEIVE_CALLS,
3121            POINTER_SPEED,
3122            VIBRATE_WHEN_RINGING,
3123            RINGTONE,
3124            LOCK_TO_APP_ENABLED,
3125            NOTIFICATION_SOUND
3126        };
3127
3128        /**
3129         * These are all public system settings
3130         *
3131         * @hide
3132         */
3133        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3134        static {
3135            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3136            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3137            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3138            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3139            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3140            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3141            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3142            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3143            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3144            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3145            PUBLIC_SETTINGS.add(FONT_SCALE);
3146            PUBLIC_SETTINGS.add(DIM_SCREEN);
3147            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3148            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3149            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3150            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3151            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3152            PUBLIC_SETTINGS.add(VIBRATE_ON);
3153            PUBLIC_SETTINGS.add(VOLUME_RING);
3154            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3155            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3156            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3157            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3158            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3159            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3160            PUBLIC_SETTINGS.add(RINGTONE);
3161            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3162            PUBLIC_SETTINGS.add(ALARM_ALERT);
3163            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3164            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3165            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3166            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3167            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3168            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3169            PUBLIC_SETTINGS.add(TIME_12_24);
3170            PUBLIC_SETTINGS.add(DATE_FORMAT);
3171            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3172            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3173            PUBLIC_SETTINGS.add(USER_ROTATION);
3174            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3175            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3176            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3177            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3178        }
3179
3180        /**
3181         * These are all hidden system settings.
3182         *
3183         * @hide
3184         */
3185        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3186        static {
3187            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3188            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3189            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3190            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3191            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3192            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3193            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3194            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3195            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3196            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3197            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3198            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3199            PRIVATE_SETTINGS.add(VIBRATE_WHEN_RINGING);
3200            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3201            PRIVATE_SETTINGS.add(HEARING_AID);
3202            PRIVATE_SETTINGS.add(TTY_MODE);
3203            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3204            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3205            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3206            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3207            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3208            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3209            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3210            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3211            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3212            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3213            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3214            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3215            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3216            PRIVATE_SETTINGS.add(LOCK_SOUND);
3217            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3218            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3219            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3220            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3221            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3222            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3223            PRIVATE_SETTINGS.add(POINTER_SPEED);
3224            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3225            PRIVATE_SETTINGS.add(EGG_MODE);
3226        }
3227
3228        /**
3229         * These are all public system settings
3230         *
3231         * @hide
3232         */
3233        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3234        static {
3235            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3236            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3237            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3238            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3239                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3240            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3241            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3242            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3243            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3244            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3245            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3246            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3247            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3248            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3249            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3250            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3251            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3252            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3253            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3254            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3255            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3256            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3257            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3258            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3259            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3260            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3261            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3262            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3263            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3264            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3265            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3266            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3267            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3268            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3269            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3270            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3271            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3272            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3273            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3274            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3275            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3276            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3277            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3278                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3279            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3280            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3281            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3282            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3283            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3284            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3285            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3286            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3287                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3288            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3289            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3290            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3291            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3292            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3293            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3294            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3295            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3296            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3297            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3298            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3299            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3300            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3301            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3302            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3303        }
3304
3305        /**
3306         * These entries are considered common between the personal and the managed profile,
3307         * since the managed profile doesn't get to change them.
3308         */
3309        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3310        static {
3311            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3312            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3313            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3314            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3315            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3316        }
3317
3318        /** @hide */
3319        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3320            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3321        }
3322
3323        /**
3324         * When to use Wi-Fi calling
3325         *
3326         * @see android.telephony.TelephonyManager.WifiCallingChoices
3327         * @hide
3328         */
3329        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3330
3331        // Settings moved to Settings.Secure
3332
3333        /**
3334         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3335         * instead
3336         */
3337        @Deprecated
3338        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3339
3340        /**
3341         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3342         */
3343        @Deprecated
3344        public static final String ANDROID_ID = Secure.ANDROID_ID;
3345
3346        /**
3347         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3348         */
3349        @Deprecated
3350        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3351
3352        /**
3353         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3354         */
3355        @Deprecated
3356        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3357
3358        /**
3359         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3360         */
3361        @Deprecated
3362        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3363
3364        /**
3365         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3366         */
3367        @Deprecated
3368        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3369
3370        /**
3371         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3372         */
3373        @Deprecated
3374        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3375
3376        /**
3377         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3378         * instead
3379         */
3380        @Deprecated
3381        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3382
3383        /**
3384         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3385         */
3386        @Deprecated
3387        public static final String LOGGING_ID = Secure.LOGGING_ID;
3388
3389        /**
3390         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3391         */
3392        @Deprecated
3393        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3394
3395        /**
3396         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3397         * instead
3398         */
3399        @Deprecated
3400        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3401
3402        /**
3403         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3404         * instead
3405         */
3406        @Deprecated
3407        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3408
3409        /**
3410         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3411         * instead
3412         */
3413        @Deprecated
3414        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3415            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3416
3417        /**
3418         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3419         */
3420        @Deprecated
3421        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3422
3423        /**
3424         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3425         */
3426        @Deprecated
3427        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3428
3429        /**
3430         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3431         */
3432        @Deprecated
3433        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3434
3435       /**
3436         * @deprecated Use
3437         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3438         */
3439        @Deprecated
3440        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3441
3442        /**
3443         * @deprecated Use
3444         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3445         */
3446        @Deprecated
3447        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3448                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3449
3450        /**
3451         * @deprecated Use
3452         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3453         */
3454        @Deprecated
3455        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3456                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3457
3458        /**
3459         * @deprecated Use
3460         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3461         */
3462        @Deprecated
3463        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3464                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3465
3466        /**
3467         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3468         * instead
3469         */
3470        @Deprecated
3471        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3472
3473        /**
3474         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3475         */
3476        @Deprecated
3477        public static final String WIFI_ON = Global.WIFI_ON;
3478
3479        /**
3480         * @deprecated Use
3481         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3482         * instead
3483         */
3484        @Deprecated
3485        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3486                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3487
3488        /**
3489         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3490         */
3491        @Deprecated
3492        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3493
3494        /**
3495         * @deprecated Use
3496         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3497         */
3498        @Deprecated
3499        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3500                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3501
3502        /**
3503         * @deprecated Use
3504         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3505         */
3506        @Deprecated
3507        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3508                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3509
3510        /**
3511         * @deprecated Use
3512         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3513         * instead
3514         */
3515        @Deprecated
3516        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3517                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3518
3519        /**
3520         * @deprecated Use
3521         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3522         */
3523        @Deprecated
3524        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3525            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3526
3527        /**
3528         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3529         * instead
3530         */
3531        @Deprecated
3532        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3533
3534        /**
3535         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3536         */
3537        @Deprecated
3538        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3539
3540        /**
3541         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3542         */
3543        @Deprecated
3544        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3545
3546        /**
3547         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3548         * instead
3549         */
3550        @Deprecated
3551        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3552
3553        /**
3554         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3555         * instead
3556         */
3557        @Deprecated
3558        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3559            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3560    }
3561
3562    /**
3563     * Secure system settings, containing system preferences that applications
3564     * can read but are not allowed to write.  These are for preferences that
3565     * the user must explicitly modify through the system UI or specialized
3566     * APIs for those values, not modified directly by applications.
3567     */
3568    public static final class Secure extends NameValueTable {
3569        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3570
3571        /**
3572         * The content:// style URL for this table
3573         */
3574        public static final Uri CONTENT_URI =
3575            Uri.parse("content://" + AUTHORITY + "/secure");
3576
3577        // Populated lazily, guarded by class object:
3578        private static final NameValueCache sNameValueCache = new NameValueCache(
3579                SYS_PROP_SETTING_VERSION,
3580                CONTENT_URI,
3581                CALL_METHOD_GET_SECURE,
3582                CALL_METHOD_PUT_SECURE);
3583
3584        private static ILockSettings sLockSettings = null;
3585
3586        private static boolean sIsSystemProcess;
3587        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3588        private static final HashSet<String> MOVED_TO_GLOBAL;
3589        static {
3590            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3591            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3592            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3593            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3594
3595            MOVED_TO_GLOBAL = new HashSet<String>();
3596            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3597            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3598            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3599            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3600            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3601            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3602            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3603            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3604            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3605            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3606            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3607            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3608            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3609            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3610            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3611            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3612            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3613            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3614            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3615            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3616            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3617            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3618            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3619            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3620            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3621            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3622            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3623            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3624            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3625            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3626            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3627            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3628            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3629            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3630            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3631            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3632            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3633            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3634            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3635            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3636            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3637            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3638            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3639            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3640            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3641            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3642            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3643            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3644            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3645            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3646            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3647            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3648            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3649            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3650            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3651            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3652            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3653            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3654            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3655            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3656            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3657            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3658            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3659            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3660            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3661            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3662            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3663            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3664            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3665            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3666            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3667            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3668            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3669            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3670            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3671            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3672            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3673            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3674            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3675            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3676            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3677            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3678            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3679            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3680            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3681            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3682            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3683            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3684            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3685            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3686            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3687            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3688            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3689            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3690            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3691            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3692            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3693            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3694            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3695            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3696            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3697            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3698            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3699            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3700            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3701            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3702            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3703            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3704            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3705            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3706            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3707            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3708        }
3709
3710        /** @hide */
3711        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3712            outKeySet.addAll(MOVED_TO_GLOBAL);
3713        }
3714
3715        /**
3716         * Look up a name in the database.
3717         * @param resolver to access the database with
3718         * @param name to look up in the table
3719         * @return the corresponding value, or null if not present
3720         */
3721        public static String getString(ContentResolver resolver, String name) {
3722            return getStringForUser(resolver, name, UserHandle.myUserId());
3723        }
3724
3725        /** @hide */
3726        public static String getStringForUser(ContentResolver resolver, String name,
3727                int userHandle) {
3728            if (MOVED_TO_GLOBAL.contains(name)) {
3729                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3730                        + " to android.provider.Settings.Global.");
3731                return Global.getStringForUser(resolver, name, userHandle);
3732            }
3733
3734            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3735                synchronized (Secure.class) {
3736                    if (sLockSettings == null) {
3737                        sLockSettings = ILockSettings.Stub.asInterface(
3738                                (IBinder) ServiceManager.getService("lock_settings"));
3739                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3740                    }
3741                }
3742                if (sLockSettings != null && !sIsSystemProcess) {
3743                    try {
3744                        return sLockSettings.getString(name, "0", userHandle);
3745                    } catch (RemoteException re) {
3746                        // Fall through
3747                    }
3748                }
3749            }
3750
3751            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3752        }
3753
3754        /**
3755         * Store a name/value pair into the database.
3756         * @param resolver to access the database with
3757         * @param name to store
3758         * @param value to associate with the name
3759         * @return true if the value was set, false on database errors
3760         */
3761        public static boolean putString(ContentResolver resolver, String name, String value) {
3762            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3763        }
3764
3765        /** @hide */
3766        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3767                int userHandle) {
3768            if (LOCATION_MODE.equals(name)) {
3769                // HACK ALERT: temporary hack to work around b/10491283.
3770                // TODO: once b/10491283 fixed, remove this hack
3771                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3772            }
3773            if (MOVED_TO_GLOBAL.contains(name)) {
3774                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3775                        + " to android.provider.Settings.Global");
3776                return Global.putStringForUser(resolver, name, value, userHandle);
3777            }
3778            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
3779        }
3780
3781        /**
3782         * Construct the content URI for a particular name/value pair,
3783         * useful for monitoring changes with a ContentObserver.
3784         * @param name to look up in the table
3785         * @return the corresponding content URI, or null if not present
3786         */
3787        public static Uri getUriFor(String name) {
3788            if (MOVED_TO_GLOBAL.contains(name)) {
3789                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3790                        + " to android.provider.Settings.Global, returning global URI.");
3791                return Global.getUriFor(Global.CONTENT_URI, name);
3792            }
3793            return getUriFor(CONTENT_URI, name);
3794        }
3795
3796        /**
3797         * Convenience function for retrieving a single secure settings value
3798         * as an integer.  Note that internally setting values are always
3799         * stored as strings; this function converts the string to an integer
3800         * for you.  The default value will be returned if the setting is
3801         * not defined or not an integer.
3802         *
3803         * @param cr The ContentResolver to access.
3804         * @param name The name of the setting to retrieve.
3805         * @param def Value to return if the setting is not defined.
3806         *
3807         * @return The setting's current value, or 'def' if it is not defined
3808         * or not a valid integer.
3809         */
3810        public static int getInt(ContentResolver cr, String name, int def) {
3811            return getIntForUser(cr, name, def, UserHandle.myUserId());
3812        }
3813
3814        /** @hide */
3815        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
3816            if (LOCATION_MODE.equals(name)) {
3817                // HACK ALERT: temporary hack to work around b/10491283.
3818                // TODO: once b/10491283 fixed, remove this hack
3819                return getLocationModeForUser(cr, userHandle);
3820            }
3821            String v = getStringForUser(cr, name, userHandle);
3822            try {
3823                return v != null ? Integer.parseInt(v) : def;
3824            } catch (NumberFormatException e) {
3825                return def;
3826            }
3827        }
3828
3829        /**
3830         * Convenience function for retrieving a single secure settings value
3831         * as an integer.  Note that internally setting values are always
3832         * stored as strings; this function converts the string to an integer
3833         * for you.
3834         * <p>
3835         * This version does not take a default value.  If the setting has not
3836         * been set, or the string value is not a number,
3837         * it throws {@link SettingNotFoundException}.
3838         *
3839         * @param cr The ContentResolver to access.
3840         * @param name The name of the setting to retrieve.
3841         *
3842         * @throws SettingNotFoundException Thrown if a setting by the given
3843         * name can't be found or the setting value is not an integer.
3844         *
3845         * @return The setting's current value.
3846         */
3847        public static int getInt(ContentResolver cr, String name)
3848                throws SettingNotFoundException {
3849            return getIntForUser(cr, name, UserHandle.myUserId());
3850        }
3851
3852        /** @hide */
3853        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
3854                throws SettingNotFoundException {
3855            if (LOCATION_MODE.equals(name)) {
3856                // HACK ALERT: temporary hack to work around b/10491283.
3857                // TODO: once b/10491283 fixed, remove this hack
3858                return getLocationModeForUser(cr, userHandle);
3859            }
3860            String v = getStringForUser(cr, name, userHandle);
3861            try {
3862                return Integer.parseInt(v);
3863            } catch (NumberFormatException e) {
3864                throw new SettingNotFoundException(name);
3865            }
3866        }
3867
3868        /**
3869         * Convenience function for updating a single settings value as an
3870         * integer. This will either create a new entry in the table if the
3871         * given name does not exist, or modify the value of the existing row
3872         * with that name.  Note that internally setting values are always
3873         * stored as strings, so this function converts the given value to a
3874         * string before storing it.
3875         *
3876         * @param cr The ContentResolver to access.
3877         * @param name The name of the setting to modify.
3878         * @param value The new value for the setting.
3879         * @return true if the value was set, false on database errors
3880         */
3881        public static boolean putInt(ContentResolver cr, String name, int value) {
3882            return putIntForUser(cr, name, value, UserHandle.myUserId());
3883        }
3884
3885        /** @hide */
3886        public static boolean putIntForUser(ContentResolver cr, String name, int value,
3887                int userHandle) {
3888            return putStringForUser(cr, name, Integer.toString(value), userHandle);
3889        }
3890
3891        /**
3892         * Convenience function for retrieving a single secure settings value
3893         * as a {@code long}.  Note that internally setting values are always
3894         * stored as strings; this function converts the string to a {@code long}
3895         * for you.  The default value will be returned if the setting is
3896         * not defined or not a {@code long}.
3897         *
3898         * @param cr The ContentResolver to access.
3899         * @param name The name of the setting to retrieve.
3900         * @param def Value to return if the setting is not defined.
3901         *
3902         * @return The setting's current value, or 'def' if it is not defined
3903         * or not a valid {@code long}.
3904         */
3905        public static long getLong(ContentResolver cr, String name, long def) {
3906            return getLongForUser(cr, name, def, UserHandle.myUserId());
3907        }
3908
3909        /** @hide */
3910        public static long getLongForUser(ContentResolver cr, String name, long def,
3911                int userHandle) {
3912            String valString = getStringForUser(cr, name, userHandle);
3913            long value;
3914            try {
3915                value = valString != null ? Long.parseLong(valString) : def;
3916            } catch (NumberFormatException e) {
3917                value = def;
3918            }
3919            return value;
3920        }
3921
3922        /**
3923         * Convenience function for retrieving a single secure settings value
3924         * as a {@code long}.  Note that internally setting values are always
3925         * stored as strings; this function converts the string to a {@code long}
3926         * for you.
3927         * <p>
3928         * This version does not take a default value.  If the setting has not
3929         * been set, or the string value is not a number,
3930         * it throws {@link SettingNotFoundException}.
3931         *
3932         * @param cr The ContentResolver to access.
3933         * @param name The name of the setting to retrieve.
3934         *
3935         * @return The setting's current value.
3936         * @throws SettingNotFoundException Thrown if a setting by the given
3937         * name can't be found or the setting value is not an integer.
3938         */
3939        public static long getLong(ContentResolver cr, String name)
3940                throws SettingNotFoundException {
3941            return getLongForUser(cr, name, UserHandle.myUserId());
3942        }
3943
3944        /** @hide */
3945        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
3946                throws SettingNotFoundException {
3947            String valString = getStringForUser(cr, name, userHandle);
3948            try {
3949                return Long.parseLong(valString);
3950            } catch (NumberFormatException e) {
3951                throw new SettingNotFoundException(name);
3952            }
3953        }
3954
3955        /**
3956         * Convenience function for updating a secure settings value as a long
3957         * integer. This will either create a new entry in the table if the
3958         * given name does not exist, or modify the value of the existing row
3959         * with that name.  Note that internally setting values are always
3960         * stored as strings, so this function converts the given value to a
3961         * string before storing it.
3962         *
3963         * @param cr The ContentResolver to access.
3964         * @param name The name of the setting to modify.
3965         * @param value The new value for the setting.
3966         * @return true if the value was set, false on database errors
3967         */
3968        public static boolean putLong(ContentResolver cr, String name, long value) {
3969            return putLongForUser(cr, name, value, UserHandle.myUserId());
3970        }
3971
3972        /** @hide */
3973        public static boolean putLongForUser(ContentResolver cr, String name, long value,
3974                int userHandle) {
3975            return putStringForUser(cr, name, Long.toString(value), userHandle);
3976        }
3977
3978        /**
3979         * Convenience function for retrieving a single secure settings value
3980         * as a floating point number.  Note that internally setting values are
3981         * always stored as strings; this function converts the string to an
3982         * float for you. The default value will be returned if the setting
3983         * is not defined or not a valid float.
3984         *
3985         * @param cr The ContentResolver to access.
3986         * @param name The name of the setting to retrieve.
3987         * @param def Value to return if the setting is not defined.
3988         *
3989         * @return The setting's current value, or 'def' if it is not defined
3990         * or not a valid float.
3991         */
3992        public static float getFloat(ContentResolver cr, String name, float def) {
3993            return getFloatForUser(cr, name, def, UserHandle.myUserId());
3994        }
3995
3996        /** @hide */
3997        public static float getFloatForUser(ContentResolver cr, String name, float def,
3998                int userHandle) {
3999            String v = getStringForUser(cr, name, userHandle);
4000            try {
4001                return v != null ? Float.parseFloat(v) : def;
4002            } catch (NumberFormatException e) {
4003                return def;
4004            }
4005        }
4006
4007        /**
4008         * Convenience function for retrieving a single secure settings value
4009         * as a float.  Note that internally setting values are always
4010         * stored as strings; this function converts the string to a float
4011         * for you.
4012         * <p>
4013         * This version does not take a default value.  If the setting has not
4014         * been set, or the string value is not a number,
4015         * it throws {@link SettingNotFoundException}.
4016         *
4017         * @param cr The ContentResolver to access.
4018         * @param name The name of the setting to retrieve.
4019         *
4020         * @throws SettingNotFoundException Thrown if a setting by the given
4021         * name can't be found or the setting value is not a float.
4022         *
4023         * @return The setting's current value.
4024         */
4025        public static float getFloat(ContentResolver cr, String name)
4026                throws SettingNotFoundException {
4027            return getFloatForUser(cr, name, UserHandle.myUserId());
4028        }
4029
4030        /** @hide */
4031        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4032                throws SettingNotFoundException {
4033            String v = getStringForUser(cr, name, userHandle);
4034            if (v == null) {
4035                throw new SettingNotFoundException(name);
4036            }
4037            try {
4038                return Float.parseFloat(v);
4039            } catch (NumberFormatException e) {
4040                throw new SettingNotFoundException(name);
4041            }
4042        }
4043
4044        /**
4045         * Convenience function for updating a single settings value as a
4046         * floating point number. This will either create a new entry in the
4047         * table if the given name does not exist, or modify the value of the
4048         * existing row with that name.  Note that internally setting values
4049         * are always stored as strings, so this function converts the given
4050         * value to a string before storing it.
4051         *
4052         * @param cr The ContentResolver to access.
4053         * @param name The name of the setting to modify.
4054         * @param value The new value for the setting.
4055         * @return true if the value was set, false on database errors
4056         */
4057        public static boolean putFloat(ContentResolver cr, String name, float value) {
4058            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4059        }
4060
4061        /** @hide */
4062        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4063                int userHandle) {
4064            return putStringForUser(cr, name, Float.toString(value), userHandle);
4065        }
4066
4067        /**
4068         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4069         * instead
4070         */
4071        @Deprecated
4072        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4073                Global.DEVELOPMENT_SETTINGS_ENABLED;
4074
4075        /**
4076         * When the user has enable the option to have a "bug report" command
4077         * in the power menu.
4078         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4079         * @hide
4080         */
4081        @Deprecated
4082        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4083
4084        /**
4085         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4086         */
4087        @Deprecated
4088        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4089
4090        /**
4091         * Setting to allow mock locations and location provider status to be injected into the
4092         * LocationManager service for testing purposes during application development.  These
4093         * locations and status values  override actual location and status information generated
4094         * by network, gps, or other location providers.
4095         */
4096        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4097
4098        /**
4099         * A 64-bit number (as a hex string) that is randomly
4100         * generated when the user first sets up the device and should remain
4101         * constant for the lifetime of the user's device. The value may
4102         * change if a factory reset is performed on the device.
4103         * <p class="note"><strong>Note:</strong> When a device has <a
4104         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4105         * (available on certain devices running Android 4.2 or higher), each user appears as a
4106         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4107         * user.</p>
4108         */
4109        public static final String ANDROID_ID = "android_id";
4110
4111        /**
4112         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4113         */
4114        @Deprecated
4115        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4116
4117        /**
4118         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4119         */
4120        @Deprecated
4121        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4122
4123        /**
4124         * Setting to record the input method used by default, holding the ID
4125         * of the desired method.
4126         */
4127        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4128
4129        /**
4130         * Setting to record the input method subtype used by default, holding the ID
4131         * of the desired method.
4132         */
4133        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4134                "selected_input_method_subtype";
4135
4136        /**
4137         * Setting to record the history of input method subtype, holding the pair of ID of IME
4138         * and its last used subtype.
4139         * @hide
4140         */
4141        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4142                "input_methods_subtype_history";
4143
4144        /**
4145         * Setting to record the visibility of input method selector
4146         */
4147        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4148                "input_method_selector_visibility";
4149
4150        /**
4151         * The currently selected voice interaction service flattened ComponentName.
4152         * @hide
4153         */
4154        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4155
4156        /**
4157         * bluetooth HCI snoop log configuration
4158         * @hide
4159         */
4160        public static final String BLUETOOTH_HCI_LOG =
4161                "bluetooth_hci_log";
4162
4163        /**
4164         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4165         */
4166        @Deprecated
4167        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4168
4169        /**
4170         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4171         * @hide
4172         */
4173        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4174
4175        /**
4176         * List of input methods that are currently enabled.  This is a string
4177         * containing the IDs of all enabled input methods, each ID separated
4178         * by ':'.
4179         */
4180        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4181
4182        /**
4183         * List of system input methods that are currently disabled.  This is a string
4184         * containing the IDs of all disabled input methods, each ID separated
4185         * by ':'.
4186         * @hide
4187         */
4188        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4189
4190        /**
4191         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4192         * determines if the IME should be shown when a hard keyboard is attached.
4193         * @hide
4194         */
4195        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4196
4197        /**
4198         * Host name and port for global http proxy. Uses ':' seperator for
4199         * between host and port.
4200         *
4201         * @deprecated Use {@link Global#HTTP_PROXY}
4202         */
4203        @Deprecated
4204        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4205
4206        /**
4207         * Whether applications can be installed for this user via the system's
4208         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4209         *
4210         * <p>1 = permit app installation via the system package installer intent
4211         * <p>0 = do not allow use of the package installer
4212         */
4213        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4214
4215        /**
4216         * Comma-separated list of location providers that activities may access. Do not rely on
4217         * this value being present in settings.db or on ContentObserver notifications on the
4218         * corresponding Uri.
4219         *
4220         * @deprecated use {@link #LOCATION_MODE} and
4221         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4222         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4223         */
4224        @Deprecated
4225        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4226
4227        /**
4228         * The degree of location access enabled by the user.
4229         * <p>
4230         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4231         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4232         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4233         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4234         * modes that might be added in the future.
4235         * <p>
4236         * Note: do not rely on this value being present in settings.db or on ContentObserver
4237         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4238         * to receive changes in this value.
4239         */
4240        public static final String LOCATION_MODE = "location_mode";
4241
4242        /**
4243         * Location access disabled.
4244         */
4245        public static final int LOCATION_MODE_OFF = 0;
4246        /**
4247         * Network Location Provider disabled, but GPS and other sensors enabled.
4248         */
4249        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4250        /**
4251         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4252         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4253         * {@link android.location.Criteria#POWER_MEDIUM}.
4254         */
4255        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4256        /**
4257         * Best-effort location computation allowed.
4258         */
4259        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4260
4261        /**
4262         * A flag containing settings used for biometric weak
4263         * @hide
4264         */
4265        @Deprecated
4266        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4267                "lock_biometric_weak_flags";
4268
4269        /**
4270         * Whether lock-to-app will lock the keyguard when exiting.
4271         * @hide
4272         */
4273        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4274
4275        /**
4276         * Whether autolock is enabled (0 = false, 1 = true)
4277         *
4278         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4279         *             level of the keyguard.
4280         */
4281        @Deprecated
4282        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4283
4284        /**
4285         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4286         */
4287        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4288
4289        /**
4290         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4291         * true)
4292         *
4293         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4294         *             lockscreen uses
4295         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4296         */
4297        @Deprecated
4298        public static final String
4299                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4300
4301        /**
4302         * This preference allows the device to be locked given time after screen goes off,
4303         * subject to current DeviceAdmin policy limits.
4304         * @hide
4305         */
4306        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4307
4308
4309        /**
4310         * This preference contains the string that shows for owner info on LockScreen.
4311         * @hide
4312         * @deprecated
4313         */
4314        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4315
4316        /**
4317         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4318         * @hide
4319         */
4320        @Deprecated
4321        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4322            "lock_screen_appwidget_ids";
4323
4324        /**
4325         * List of enrolled fingerprint identifiers (comma-delimited).
4326         * @hide
4327         */
4328        public static final String USER_FINGERPRINT_IDS = "user_fingerprint_ids";
4329
4330        /**
4331         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4332         * @hide
4333         */
4334        @Deprecated
4335        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4336            "lock_screen_fallback_appwidget_id";
4337
4338        /**
4339         * Index of the lockscreen appwidget to restore, -1 if none.
4340         * @hide
4341         */
4342        @Deprecated
4343        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4344            "lock_screen_sticky_appwidget";
4345
4346        /**
4347         * This preference enables showing the owner info on LockScreen.
4348         * @hide
4349         * @deprecated
4350         */
4351        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4352            "lock_screen_owner_info_enabled";
4353
4354        /**
4355         * When set by a user, allows notifications to be shown atop a securely locked screen
4356         * in their full "private" form (same as when the device is unlocked).
4357         * @hide
4358         */
4359        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4360                "lock_screen_allow_private_notifications";
4361
4362        /**
4363         * Set by the system to track if the user needs to see the call to action for
4364         * the lockscreen notification policy.
4365         * @hide
4366         */
4367        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4368                "show_note_about_notification_hiding";
4369
4370        /**
4371         * Set to 1 by the system after trust agents have been initialized.
4372         * @hide
4373         */
4374        public static final String TRUST_AGENTS_INITIALIZED =
4375                "trust_agents_initialized";
4376
4377        /**
4378         * The Logging ID (a unique 64-bit value) as a hex string.
4379         * Used as a pseudonymous identifier for logging.
4380         * @deprecated This identifier is poorly initialized and has
4381         * many collisions.  It should not be used.
4382         */
4383        @Deprecated
4384        public static final String LOGGING_ID = "logging_id";
4385
4386        /**
4387         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4388         */
4389        @Deprecated
4390        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4391
4392        /**
4393         * No longer supported.
4394         */
4395        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4396
4397        /**
4398         * No longer supported.
4399         */
4400        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4401
4402        /**
4403         * No longer supported.
4404         */
4405        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4406
4407        /**
4408         * Settings classname to launch when Settings is clicked from All
4409         * Applications.  Needed because of user testing between the old
4410         * and new Settings apps.
4411         */
4412        // TODO: 881807
4413        public static final String SETTINGS_CLASSNAME = "settings_classname";
4414
4415        /**
4416         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4417         */
4418        @Deprecated
4419        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4420
4421        /**
4422         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4423         */
4424        @Deprecated
4425        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4426
4427        /**
4428         * If accessibility is enabled.
4429         */
4430        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4431
4432        /**
4433         * If touch exploration is enabled.
4434         */
4435        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4436
4437        /**
4438         * List of the enabled accessibility providers.
4439         */
4440        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4441            "enabled_accessibility_services";
4442
4443        /**
4444         * List of the accessibility services to which the user has granted
4445         * permission to put the device into touch exploration mode.
4446         *
4447         * @hide
4448         */
4449        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4450            "touch_exploration_granted_accessibility_services";
4451
4452        /**
4453         * Whether to speak passwords while in accessibility mode.
4454         */
4455        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4456
4457        /**
4458         * Whether to draw text with high contrast while in accessibility mode.
4459         *
4460         * @hide
4461         */
4462        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4463                "high_text_contrast_enabled";
4464
4465        /**
4466         * If injection of accessibility enhancing JavaScript screen-reader
4467         * is enabled.
4468         * <p>
4469         *   Note: The JavaScript based screen-reader is served by the
4470         *   Google infrastructure and enable users with disabilities to
4471         *   efficiently navigate in and explore web content.
4472         * </p>
4473         * <p>
4474         *   This property represents a boolean value.
4475         * </p>
4476         * @hide
4477         */
4478        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4479            "accessibility_script_injection";
4480
4481        /**
4482         * The URL for the injected JavaScript based screen-reader used
4483         * for providing accessibility of content in WebView.
4484         * <p>
4485         *   Note: The JavaScript based screen-reader is served by the
4486         *   Google infrastructure and enable users with disabilities to
4487         *   efficiently navigate in and explore web content.
4488         * </p>
4489         * <p>
4490         *   This property represents a string value.
4491         * </p>
4492         * @hide
4493         */
4494        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4495            "accessibility_script_injection_url";
4496
4497        /**
4498         * Key bindings for navigation in built-in accessibility support for web content.
4499         * <p>
4500         *   Note: These key bindings are for the built-in accessibility navigation for
4501         *   web content which is used as a fall back solution if JavaScript in a WebView
4502         *   is not enabled or the user has not opted-in script injection from Google.
4503         * </p>
4504         * <p>
4505         *   The bindings are separated by semi-colon. A binding is a mapping from
4506         *   a key to a sequence of actions (for more details look at
4507         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4508         *   string representation of an integer obtained from a meta state (optional) shifted
4509         *   sixteen times left and bitwise ored with a key code. An action is represented
4510         *   as a hexademical string representation of an integer where the first two digits
4511         *   are navigation action index, the second, the third, and the fourth digit pairs
4512         *   represent the action arguments. The separate actions in a binding are colon
4513         *   separated. The key and the action sequence it maps to are separated by equals.
4514         * </p>
4515         * <p>
4516         *   For example, the binding below maps the DPAD right button to traverse the
4517         *   current navigation axis once without firing an accessibility event and to
4518         *   perform the same traversal again but to fire an event:
4519         *   <code>
4520         *     0x16=0x01000100:0x01000101;
4521         *   </code>
4522         * </p>
4523         * <p>
4524         *   The goal of this binding is to enable dynamic rebinding of keys to
4525         *   navigation actions for web content without requiring a framework change.
4526         * </p>
4527         * <p>
4528         *   This property represents a string value.
4529         * </p>
4530         * @hide
4531         */
4532        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4533            "accessibility_web_content_key_bindings";
4534
4535        /**
4536         * Setting that specifies whether the display magnification is enabled.
4537         * Display magnifications allows the user to zoom in the display content
4538         * and is targeted to low vision users. The current magnification scale
4539         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4540         *
4541         * @hide
4542         */
4543        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4544                "accessibility_display_magnification_enabled";
4545
4546        /**
4547         * Setting that specifies what the display magnification scale is.
4548         * Display magnifications allows the user to zoom in the display
4549         * content and is targeted to low vision users. Whether a display
4550         * magnification is performed is controlled by
4551         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4552         *
4553         * @hide
4554         */
4555        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4556                "accessibility_display_magnification_scale";
4557
4558        /**
4559         * Setting that specifies whether the display magnification should be
4560         * automatically updated. If this fearture is enabled the system will
4561         * exit magnification mode or pan the viewport when a context change
4562         * occurs. For example, on staring a new activity or rotating the screen,
4563         * the system may zoom out so the user can see the new context he is in.
4564         * Another example is on showing a window that is not visible in the
4565         * magnified viewport the system may pan the viewport to make the window
4566         * the has popped up so the user knows that the context has changed.
4567         * Whether a screen magnification is performed is controlled by
4568         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4569         *
4570         * @hide
4571         */
4572        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4573                "accessibility_display_magnification_auto_update";
4574
4575        /**
4576         * Setting that specifies whether timed text (captions) should be
4577         * displayed in video content. Text display properties are controlled by
4578         * the following settings:
4579         * <ul>
4580         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4581         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4582         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4583         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4584         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4585         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4586         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4587         * </ul>
4588         *
4589         * @hide
4590         */
4591        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4592                "accessibility_captioning_enabled";
4593
4594        /**
4595         * Setting that specifies the language for captions as a locale string,
4596         * e.g. en_US.
4597         *
4598         * @see java.util.Locale#toString
4599         * @hide
4600         */
4601        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4602                "accessibility_captioning_locale";
4603
4604        /**
4605         * Integer property that specifies the preset style for captions, one
4606         * of:
4607         * <ul>
4608         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4609         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4610         * </ul>
4611         *
4612         * @see java.util.Locale#toString
4613         * @hide
4614         */
4615        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4616                "accessibility_captioning_preset";
4617
4618        /**
4619         * Integer property that specifes the background color for captions as a
4620         * packed 32-bit color.
4621         *
4622         * @see android.graphics.Color#argb
4623         * @hide
4624         */
4625        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4626                "accessibility_captioning_background_color";
4627
4628        /**
4629         * Integer property that specifes the foreground color for captions as a
4630         * packed 32-bit color.
4631         *
4632         * @see android.graphics.Color#argb
4633         * @hide
4634         */
4635        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4636                "accessibility_captioning_foreground_color";
4637
4638        /**
4639         * Integer property that specifes the edge type for captions, one of:
4640         * <ul>
4641         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4642         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4643         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4644         * </ul>
4645         *
4646         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4647         * @hide
4648         */
4649        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4650                "accessibility_captioning_edge_type";
4651
4652        /**
4653         * Integer property that specifes the edge color for captions as a
4654         * packed 32-bit color.
4655         *
4656         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4657         * @see android.graphics.Color#argb
4658         * @hide
4659         */
4660        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4661                "accessibility_captioning_edge_color";
4662
4663        /**
4664         * Integer property that specifes the window color for captions as a
4665         * packed 32-bit color.
4666         *
4667         * @see android.graphics.Color#argb
4668         * @hide
4669         */
4670        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4671                "accessibility_captioning_window_color";
4672
4673        /**
4674         * String property that specifies the typeface for captions, one of:
4675         * <ul>
4676         * <li>DEFAULT
4677         * <li>MONOSPACE
4678         * <li>SANS_SERIF
4679         * <li>SERIF
4680         * </ul>
4681         *
4682         * @see android.graphics.Typeface
4683         * @hide
4684         */
4685        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4686                "accessibility_captioning_typeface";
4687
4688        /**
4689         * Floating point property that specifies font scaling for captions.
4690         *
4691         * @hide
4692         */
4693        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4694                "accessibility_captioning_font_scale";
4695
4696        /**
4697         * Setting that specifies whether display color inversion is enabled.
4698         */
4699        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4700                "accessibility_display_inversion_enabled";
4701
4702        /**
4703         * Setting that specifies whether display color space adjustment is
4704         * enabled.
4705         *
4706         * @hide
4707         */
4708        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4709                "accessibility_display_daltonizer_enabled";
4710
4711        /**
4712         * Integer property that specifies the type of color space adjustment to
4713         * perform. Valid values are defined in AccessibilityManager.
4714         *
4715         * @hide
4716         */
4717        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4718                "accessibility_display_daltonizer";
4719
4720        /**
4721         * The timout for considering a press to be a long press in milliseconds.
4722         * @hide
4723         */
4724        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4725
4726        /**
4727         * List of the enabled print services.
4728         * @hide
4729         */
4730        public static final String ENABLED_PRINT_SERVICES =
4731            "enabled_print_services";
4732
4733        /**
4734         * List of the system print services we enabled on first boot. On
4735         * first boot we enable all system, i.e. bundled print services,
4736         * once, so they work out-of-the-box.
4737         * @hide
4738         */
4739        public static final String ENABLED_ON_FIRST_BOOT_SYSTEM_PRINT_SERVICES =
4740            "enabled_on_first_boot_system_print_services";
4741
4742        /**
4743         * Setting to always use the default text-to-speech settings regardless
4744         * of the application settings.
4745         * 1 = override application settings,
4746         * 0 = use application settings (if specified).
4747         *
4748         * @deprecated  The value of this setting is no longer respected by
4749         * the framework text to speech APIs as of the Ice Cream Sandwich release.
4750         */
4751        @Deprecated
4752        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
4753
4754        /**
4755         * Default text-to-speech engine speech rate. 100 = 1x
4756         */
4757        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
4758
4759        /**
4760         * Default text-to-speech engine pitch. 100 = 1x
4761         */
4762        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
4763
4764        /**
4765         * Default text-to-speech engine.
4766         */
4767        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
4768
4769        /**
4770         * Default text-to-speech language.
4771         *
4772         * @deprecated this setting is no longer in use, as of the Ice Cream
4773         * Sandwich release. Apps should never need to read this setting directly,
4774         * instead can query the TextToSpeech framework classes for the default
4775         * locale. {@link TextToSpeech#getLanguage()}.
4776         */
4777        @Deprecated
4778        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
4779
4780        /**
4781         * Default text-to-speech country.
4782         *
4783         * @deprecated this setting is no longer in use, as of the Ice Cream
4784         * Sandwich release. Apps should never need to read this setting directly,
4785         * instead can query the TextToSpeech framework classes for the default
4786         * locale. {@link TextToSpeech#getLanguage()}.
4787         */
4788        @Deprecated
4789        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
4790
4791        /**
4792         * Default text-to-speech locale variant.
4793         *
4794         * @deprecated this setting is no longer in use, as of the Ice Cream
4795         * Sandwich release. Apps should never need to read this setting directly,
4796         * instead can query the TextToSpeech framework classes for the
4797         * locale that is in use {@link TextToSpeech#getLanguage()}.
4798         */
4799        @Deprecated
4800        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
4801
4802        /**
4803         * Stores the default tts locales on a per engine basis. Stored as
4804         * a comma seperated list of values, each value being of the form
4805         * {@code engine_name:locale} for example,
4806         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
4807         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
4808         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
4809         * setting directly, and can query the TextToSpeech framework classes
4810         * for the locale that is in use.
4811         *
4812         * @hide
4813         */
4814        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
4815
4816        /**
4817         * Space delimited list of plugin packages that are enabled.
4818         */
4819        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
4820
4821        /**
4822         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
4823         * instead.
4824         */
4825        @Deprecated
4826        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
4827                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
4828
4829        /**
4830         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
4831         * instead.
4832         */
4833        @Deprecated
4834        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
4835                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
4836
4837        /**
4838         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
4839         * instead.
4840         */
4841        @Deprecated
4842        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
4843                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
4844
4845        /**
4846         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
4847         * instead.
4848         */
4849        @Deprecated
4850        public static final String WIFI_ON = Global.WIFI_ON;
4851
4852        /**
4853         * The acceptable packet loss percentage (range 0 - 100) before trying
4854         * another AP on the same network.
4855         * @deprecated This setting is not used.
4856         */
4857        @Deprecated
4858        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
4859                "wifi_watchdog_acceptable_packet_loss_percentage";
4860
4861        /**
4862         * The number of access points required for a network in order for the
4863         * watchdog to monitor it.
4864         * @deprecated This setting is not used.
4865         */
4866        @Deprecated
4867        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
4868
4869        /**
4870         * The delay between background checks.
4871         * @deprecated This setting is not used.
4872         */
4873        @Deprecated
4874        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
4875                "wifi_watchdog_background_check_delay_ms";
4876
4877        /**
4878         * Whether the Wi-Fi watchdog is enabled for background checking even
4879         * after it thinks the user has connected to a good access point.
4880         * @deprecated This setting is not used.
4881         */
4882        @Deprecated
4883        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
4884                "wifi_watchdog_background_check_enabled";
4885
4886        /**
4887         * The timeout for a background ping
4888         * @deprecated This setting is not used.
4889         */
4890        @Deprecated
4891        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
4892                "wifi_watchdog_background_check_timeout_ms";
4893
4894        /**
4895         * The number of initial pings to perform that *may* be ignored if they
4896         * fail. Again, if these fail, they will *not* be used in packet loss
4897         * calculation. For example, one network always seemed to time out for
4898         * the first couple pings, so this is set to 3 by default.
4899         * @deprecated This setting is not used.
4900         */
4901        @Deprecated
4902        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
4903            "wifi_watchdog_initial_ignored_ping_count";
4904
4905        /**
4906         * The maximum number of access points (per network) to attempt to test.
4907         * If this number is reached, the watchdog will no longer monitor the
4908         * initial connection state for the network. This is a safeguard for
4909         * networks containing multiple APs whose DNS does not respond to pings.
4910         * @deprecated This setting is not used.
4911         */
4912        @Deprecated
4913        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
4914
4915        /**
4916         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
4917         */
4918        @Deprecated
4919        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
4920
4921        /**
4922         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
4923         * @deprecated This setting is not used.
4924         */
4925        @Deprecated
4926        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
4927
4928        /**
4929         * The number of pings to test if an access point is a good connection.
4930         * @deprecated This setting is not used.
4931         */
4932        @Deprecated
4933        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
4934
4935        /**
4936         * The delay between pings.
4937         * @deprecated This setting is not used.
4938         */
4939        @Deprecated
4940        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
4941
4942        /**
4943         * The timeout per ping.
4944         * @deprecated This setting is not used.
4945         */
4946        @Deprecated
4947        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
4948
4949        /**
4950         * @deprecated Use
4951         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
4952         */
4953        @Deprecated
4954        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
4955
4956        /**
4957         * @deprecated Use
4958         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
4959         */
4960        @Deprecated
4961        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
4962                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
4963
4964        /**
4965         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
4966         * the receivers of the PendingIntent an opportunity to make a new network request before
4967         * the Network satisfying the request is potentially removed.
4968         *
4969         * @hide
4970         */
4971        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
4972                "connectivity_release_pending_intent_delay_ms";
4973
4974        /**
4975         * Whether background data usage is allowed.
4976         *
4977         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
4978         *             availability of background data depends on several
4979         *             combined factors. When background data is unavailable,
4980         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
4981         *             now appear disconnected.
4982         */
4983        @Deprecated
4984        public static final String BACKGROUND_DATA = "background_data";
4985
4986        /**
4987         * Origins for which browsers should allow geolocation by default.
4988         * The value is a space-separated list of origins.
4989         */
4990        public static final String ALLOWED_GEOLOCATION_ORIGINS
4991                = "allowed_geolocation_origins";
4992
4993        /**
4994         * The preferred TTY mode     0 = TTy Off, CDMA default
4995         *                            1 = TTY Full
4996         *                            2 = TTY HCO
4997         *                            3 = TTY VCO
4998         * @hide
4999         */
5000        public static final String PREFERRED_TTY_MODE =
5001                "preferred_tty_mode";
5002
5003        /**
5004         * Whether the enhanced voice privacy mode is enabled.
5005         * 0 = normal voice privacy
5006         * 1 = enhanced voice privacy
5007         * @hide
5008         */
5009        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5010
5011        /**
5012         * Whether the TTY mode mode is enabled.
5013         * 0 = disabled
5014         * 1 = enabled
5015         * @hide
5016         */
5017        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5018
5019        /**
5020         * Controls whether settings backup is enabled.
5021         * Type: int ( 0 = disabled, 1 = enabled )
5022         * @hide
5023         */
5024        public static final String BACKUP_ENABLED = "backup_enabled";
5025
5026        /**
5027         * Controls whether application data is automatically restored from backup
5028         * at install time.
5029         * Type: int ( 0 = disabled, 1 = enabled )
5030         * @hide
5031         */
5032        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5033
5034        /**
5035         * Indicates whether settings backup has been fully provisioned.
5036         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5037         * @hide
5038         */
5039        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5040
5041        /**
5042         * Component of the transport to use for backup/restore.
5043         * @hide
5044         */
5045        public static final String BACKUP_TRANSPORT = "backup_transport";
5046
5047        /**
5048         * Version for which the setup wizard was last shown.  Bumped for
5049         * each release when there is new setup information to show.
5050         * @hide
5051         */
5052        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5053
5054        /**
5055         * The interval in milliseconds after which Wi-Fi is considered idle.
5056         * When idle, it is possible for the device to be switched from Wi-Fi to
5057         * the mobile data network.
5058         * @hide
5059         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5060         * instead.
5061         */
5062        @Deprecated
5063        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5064
5065        /**
5066         * The global search provider chosen by the user (if multiple global
5067         * search providers are installed). This will be the provider returned
5068         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5069         * installed. This setting is stored as a flattened component name as
5070         * per {@link ComponentName#flattenToString()}.
5071         *
5072         * @hide
5073         */
5074        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5075                "search_global_search_activity";
5076
5077        /**
5078         * The number of promoted sources in GlobalSearch.
5079         * @hide
5080         */
5081        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5082        /**
5083         * The maximum number of suggestions returned by GlobalSearch.
5084         * @hide
5085         */
5086        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5087        /**
5088         * The number of suggestions GlobalSearch will ask each non-web search source for.
5089         * @hide
5090         */
5091        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5092        /**
5093         * The number of suggestions the GlobalSearch will ask the web search source for.
5094         * @hide
5095         */
5096        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5097                "search_web_results_override_limit";
5098        /**
5099         * The number of milliseconds that GlobalSearch will wait for suggestions from
5100         * promoted sources before continuing with all other sources.
5101         * @hide
5102         */
5103        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5104                "search_promoted_source_deadline_millis";
5105        /**
5106         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5107         * @hide
5108         */
5109        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5110        /**
5111         * The maximum number of milliseconds that GlobalSearch shows the previous results
5112         * after receiving a new query.
5113         * @hide
5114         */
5115        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5116        /**
5117         * The maximum age of log data used for shortcuts in GlobalSearch.
5118         * @hide
5119         */
5120        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5121        /**
5122         * The maximum age of log data used for source ranking in GlobalSearch.
5123         * @hide
5124         */
5125        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5126                "search_max_source_event_age_millis";
5127        /**
5128         * The minimum number of impressions needed to rank a source in GlobalSearch.
5129         * @hide
5130         */
5131        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5132                "search_min_impressions_for_source_ranking";
5133        /**
5134         * The minimum number of clicks needed to rank a source in GlobalSearch.
5135         * @hide
5136         */
5137        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5138                "search_min_clicks_for_source_ranking";
5139        /**
5140         * The maximum number of shortcuts shown by GlobalSearch.
5141         * @hide
5142         */
5143        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5144        /**
5145         * The size of the core thread pool for suggestion queries in GlobalSearch.
5146         * @hide
5147         */
5148        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5149                "search_query_thread_core_pool_size";
5150        /**
5151         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5152         * @hide
5153         */
5154        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5155                "search_query_thread_max_pool_size";
5156        /**
5157         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5158         * @hide
5159         */
5160        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5161                "search_shortcut_refresh_core_pool_size";
5162        /**
5163         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5164         * @hide
5165         */
5166        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5167                "search_shortcut_refresh_max_pool_size";
5168        /**
5169         * The maximun time that excess threads in the GlobalSeach thread pools will
5170         * wait before terminating.
5171         * @hide
5172         */
5173        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5174                "search_thread_keepalive_seconds";
5175        /**
5176         * The maximum number of concurrent suggestion queries to each source.
5177         * @hide
5178         */
5179        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5180                "search_per_source_concurrent_query_limit";
5181
5182        /**
5183         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5184         * @hide
5185         */
5186        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5187
5188        /**
5189         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5190         * @hide
5191         */
5192        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5193
5194        /**
5195         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5196         * @hide
5197         */
5198        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5199
5200        /**
5201         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5202         * @hide
5203         */
5204        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5205
5206        /**
5207         * If nonzero, ANRs in invisible background processes bring up a dialog.
5208         * Otherwise, the process will be silently killed.
5209         * @hide
5210         */
5211        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5212
5213        /**
5214         * The {@link ComponentName} string of the service to be used as the voice recognition
5215         * service.
5216         *
5217         * @hide
5218         */
5219        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5220
5221        /**
5222         * Stores whether an user has consented to have apps verified through PAM.
5223         * The value is boolean (1 or 0).
5224         *
5225         * @hide
5226         */
5227        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5228            "package_verifier_user_consent";
5229
5230        /**
5231         * The {@link ComponentName} string of the selected spell checker service which is
5232         * one of the services managed by the text service manager.
5233         *
5234         * @hide
5235         */
5236        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5237
5238        /**
5239         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5240         * service which is one of the services managed by the text service manager.
5241         *
5242         * @hide
5243         */
5244        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5245                "selected_spell_checker_subtype";
5246
5247        /**
5248         * The {@link ComponentName} string whether spell checker is enabled or not.
5249         *
5250         * @hide
5251         */
5252        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5253
5254        /**
5255         * What happens when the user presses the Power button while in-call
5256         * and the screen is on.<br/>
5257         * <b>Values:</b><br/>
5258         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5259         * 2 - The Power button hangs up the current call.<br/>
5260         *
5261         * @hide
5262         */
5263        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5264
5265        /**
5266         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5267         * @hide
5268         */
5269        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5270
5271        /**
5272         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5273         * @hide
5274         */
5275        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5276
5277        /**
5278         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5279         * @hide
5280         */
5281        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5282                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5283
5284        /**
5285         * Whether the device should wake when the wake gesture sensor detects motion.
5286         * @hide
5287         */
5288        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5289
5290        /**
5291         * Whether the device should doze if configured.
5292         * @hide
5293         */
5294        public static final String DOZE_ENABLED = "doze_enabled";
5295
5296        /**
5297         * The current night mode that has been selected by the user.  Owned
5298         * and controlled by UiModeManagerService.  Constants are as per
5299         * UiModeManager.
5300         * @hide
5301         */
5302        public static final String UI_NIGHT_MODE = "ui_night_mode";
5303
5304        /**
5305         * Whether screensavers are enabled.
5306         * @hide
5307         */
5308        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5309
5310        /**
5311         * The user's chosen screensaver components.
5312         *
5313         * These will be launched by the PhoneWindowManager after a timeout when not on
5314         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5315         * @hide
5316         */
5317        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5318
5319        /**
5320         * If screensavers are enabled, whether the screensaver should be automatically launched
5321         * when the device is inserted into a (desk) dock.
5322         * @hide
5323         */
5324        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5325
5326        /**
5327         * If screensavers are enabled, whether the screensaver should be automatically launched
5328         * when the screen times out when not on battery.
5329         * @hide
5330         */
5331        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5332
5333        /**
5334         * If screensavers are enabled, the default screensaver component.
5335         * @hide
5336         */
5337        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5338
5339        /**
5340         * The default NFC payment component
5341         * @hide
5342         */
5343        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5344
5345        /**
5346         * Whether NFC payment is handled by the foreground application or a default.
5347         * @hide
5348         */
5349        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5350
5351        /**
5352         * Specifies the package name currently configured to be the primary sms application
5353         * @hide
5354         */
5355        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5356
5357        /**
5358         * Specifies the package name currently configured to be the emergency assistance application
5359         *
5360         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5361         *
5362         * @hide
5363         */
5364        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5365
5366        /**
5367         * Names of the packages that the current user has explicitly allowed to
5368         * see all of the user's notifications, separated by ':'.
5369         *
5370         * @hide
5371         */
5372        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5373
5374        /**
5375         * @hide
5376         */
5377        public static final String ENABLED_CONDITION_PROVIDERS = "enabled_condition_providers";
5378
5379        /** @hide */
5380        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5381
5382        /** @hide */
5383        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5384                = "volume_controller_service_component";
5385
5386        /** @hide */
5387        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5388
5389        /**
5390         * This is the query URI for finding a print service to install.
5391         *
5392         * @hide
5393         */
5394        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5395
5396        /**
5397         * This is the query URI for finding a NFC payment service to install.
5398         *
5399         * @hide
5400         */
5401        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5402
5403        /**
5404         * If enabled, apps should try to skip any introductory hints on first launch. This might
5405         * apply to users that are already familiar with the environment or temporary users.
5406         * <p>
5407         * Type : int (0 to show hints, 1 to skip showing hints)
5408         */
5409        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5410
5411        /**
5412         * Persisted playback time after a user confirmation of an unsafe volume level.
5413         *
5414         * @hide
5415         */
5416        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5417
5418        /**
5419         * This preference enables notification display on the lockscreen.
5420         * @hide
5421         */
5422        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5423                "lock_screen_show_notifications";
5424
5425        /**
5426         * List of TV inputs that are currently hidden. This is a string
5427         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5428         * {@link android.net.Uri#encode(String)} and separated by ':'.
5429         * @hide
5430         */
5431        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5432
5433        /**
5434         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5435         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5436         * and separated by ','. Each pair is separated by ':'.
5437         * @hide
5438         */
5439        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5440
5441        /**
5442         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5443         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5444         * and 0 means automatic routing is enabled.
5445         *
5446         * @hide
5447         */
5448        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5449                "usb_audio_automatic_routing_disabled";
5450
5451        /**
5452         * The timeout in milliseconds before the device fully goes to sleep after
5453         * a period of inactivity.  This value sets an upper bound on how long the device
5454         * will stay awake or dreaming without user activity.  It should generally
5455         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5456         * will sleep before it ever has a chance to dream.
5457         * <p>
5458         * Use -1 to disable this timeout.
5459         * </p>
5460         *
5461         * @hide
5462         */
5463        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5464
5465        /**
5466         * Duration in milliseconds that an app should be inactive before it is considered idle.
5467         * <p/>Type: Long
5468         * @hide
5469         */
5470        public static final String APP_IDLE_DURATION = "app_idle_duration";
5471
5472        /**
5473         * This are the settings to be backed up.
5474         *
5475         * NOTE: Settings are backed up and restored in the order they appear
5476         *       in this array. If you have one setting depending on another,
5477         *       make sure that they are ordered appropriately.
5478         *
5479         * @hide
5480         */
5481        public static final String[] SETTINGS_TO_BACKUP = {
5482            BUGREPORT_IN_POWER_MENU,                            // moved to global
5483            ALLOW_MOCK_LOCATION,
5484            PARENTAL_CONTROL_ENABLED,
5485            PARENTAL_CONTROL_REDIRECT_URL,
5486            USB_MASS_STORAGE_ENABLED,                           // moved to global
5487            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5488            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5489            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5490            ACCESSIBILITY_SCRIPT_INJECTION,
5491            BACKUP_AUTO_RESTORE,
5492            ENABLED_ACCESSIBILITY_SERVICES,
5493            ENABLED_NOTIFICATION_LISTENERS,
5494            ENABLED_INPUT_METHODS,
5495            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5496            TOUCH_EXPLORATION_ENABLED,
5497            ACCESSIBILITY_ENABLED,
5498            ACCESSIBILITY_SPEAK_PASSWORD,
5499            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5500            ACCESSIBILITY_CAPTIONING_ENABLED,
5501            ACCESSIBILITY_CAPTIONING_LOCALE,
5502            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5503            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5504            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5505            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5506            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5507            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5508            TTS_USE_DEFAULTS,
5509            TTS_DEFAULT_RATE,
5510            TTS_DEFAULT_PITCH,
5511            TTS_DEFAULT_SYNTH,
5512            TTS_DEFAULT_LANG,
5513            TTS_DEFAULT_COUNTRY,
5514            TTS_ENABLED_PLUGINS,
5515            TTS_DEFAULT_LOCALE,
5516            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5517            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5518            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5519            SELECTED_SPELL_CHECKER,
5520            SELECTED_SPELL_CHECKER_SUBTYPE,
5521            SPELL_CHECKER_ENABLED,
5522            MOUNT_PLAY_NOTIFICATION_SND,
5523            MOUNT_UMS_AUTOSTART,
5524            MOUNT_UMS_PROMPT,
5525            MOUNT_UMS_NOTIFY_ENABLED,
5526            UI_NIGHT_MODE,
5527            SLEEP_TIMEOUT
5528        };
5529
5530        /**
5531         * These entries are considered common between the personal and the managed profile,
5532         * since the managed profile doesn't get to change them.
5533         */
5534        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5535
5536        static {
5537            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5538            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5539            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5540            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5541            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5542            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5543            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5544            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5545            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5546            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5547            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5548            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5549        }
5550
5551        /** @hide */
5552        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5553            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5554        }
5555
5556        /**
5557         * Helper method for determining if a location provider is enabled.
5558         *
5559         * @param cr the content resolver to use
5560         * @param provider the location provider to query
5561         * @return true if the provider is enabled
5562         *
5563         * @deprecated use {@link #LOCATION_MODE} or
5564         *             {@link LocationManager#isProviderEnabled(String)}
5565         */
5566        @Deprecated
5567        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5568            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5569        }
5570
5571        /**
5572         * Helper method for determining if a location provider is enabled.
5573         * @param cr the content resolver to use
5574         * @param provider the location provider to query
5575         * @param userId the userId to query
5576         * @return true if the provider is enabled
5577         * @deprecated use {@link #LOCATION_MODE} or
5578         *             {@link LocationManager#isProviderEnabled(String)}
5579         * @hide
5580         */
5581        @Deprecated
5582        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5583            String allowedProviders = Settings.Secure.getStringForUser(cr,
5584                    LOCATION_PROVIDERS_ALLOWED, userId);
5585            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5586        }
5587
5588        /**
5589         * Thread-safe method for enabling or disabling a single location provider.
5590         * @param cr the content resolver to use
5591         * @param provider the location provider to enable or disable
5592         * @param enabled true if the provider should be enabled
5593         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5594         */
5595        @Deprecated
5596        public static final void setLocationProviderEnabled(ContentResolver cr,
5597                String provider, boolean enabled) {
5598            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5599        }
5600
5601        /**
5602         * Thread-safe method for enabling or disabling a single location provider.
5603         *
5604         * @param cr the content resolver to use
5605         * @param provider the location provider to enable or disable
5606         * @param enabled true if the provider should be enabled
5607         * @param userId the userId for which to enable/disable providers
5608         * @return true if the value was set, false on database errors
5609         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5610         *             {@link #LOCATION_MODE}
5611         * @hide
5612         */
5613        @Deprecated
5614        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5615                String provider, boolean enabled, int userId) {
5616            synchronized (mLocationSettingsLock) {
5617                // to ensure thread safety, we write the provider name with a '+' or '-'
5618                // and let the SettingsProvider handle it rather than reading and modifying
5619                // the list of enabled providers.
5620                if (enabled) {
5621                    provider = "+" + provider;
5622                } else {
5623                    provider = "-" + provider;
5624                }
5625                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5626                        userId);
5627            }
5628        }
5629
5630        /**
5631         * Thread-safe method for setting the location mode to one of
5632         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5633         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5634         *
5635         * @param cr the content resolver to use
5636         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
5637         * @param userId the userId for which to change mode
5638         * @return true if the value was set, false on database errors
5639         *
5640         * @throws IllegalArgumentException if mode is not one of the supported values
5641         */
5642        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
5643                int userId) {
5644            synchronized (mLocationSettingsLock) {
5645                boolean gps = false;
5646                boolean network = false;
5647                switch (mode) {
5648                    case LOCATION_MODE_OFF:
5649                        break;
5650                    case LOCATION_MODE_SENSORS_ONLY:
5651                        gps = true;
5652                        break;
5653                    case LOCATION_MODE_BATTERY_SAVING:
5654                        network = true;
5655                        break;
5656                    case LOCATION_MODE_HIGH_ACCURACY:
5657                        gps = true;
5658                        network = true;
5659                        break;
5660                    default:
5661                        throw new IllegalArgumentException("Invalid location mode: " + mode);
5662                }
5663                // Note it's important that we set the NLP mode first. The Google implementation
5664                // of NLP clears its NLP consent setting any time it receives a
5665                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
5666                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
5667                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
5668                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
5669                // and 3) the receiver happened to complete before we enabled NLP, then the Google
5670                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
5671                // dialog. Then the people who wrote the setup wizard would be sad.
5672                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5673                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
5674                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5675                        cr, LocationManager.GPS_PROVIDER, gps, userId);
5676                return gpsSuccess && nlpSuccess;
5677            }
5678        }
5679
5680        /**
5681         * Thread-safe method for reading the location mode, returns one of
5682         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5683         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5684         *
5685         * @param cr the content resolver to use
5686         * @param userId the userId for which to read the mode
5687         * @return the location mode
5688         */
5689        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
5690            synchronized (mLocationSettingsLock) {
5691                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5692                        cr, LocationManager.GPS_PROVIDER, userId);
5693                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5694                        cr, LocationManager.NETWORK_PROVIDER, userId);
5695                if (gpsEnabled && networkEnabled) {
5696                    return LOCATION_MODE_HIGH_ACCURACY;
5697                } else if (gpsEnabled) {
5698                    return LOCATION_MODE_SENSORS_ONLY;
5699                } else if (networkEnabled) {
5700                    return LOCATION_MODE_BATTERY_SAVING;
5701                } else {
5702                    return LOCATION_MODE_OFF;
5703                }
5704            }
5705        }
5706    }
5707
5708    /**
5709     * Global system settings, containing preferences that always apply identically
5710     * to all defined users.  Applications can read these but are not allowed to write;
5711     * like the "Secure" settings, these are for preferences that the user must
5712     * explicitly modify through the system UI or specialized APIs for those values.
5713     */
5714    public static final class Global extends NameValueTable {
5715        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
5716
5717        /**
5718         * The content:// style URL for global secure settings items.  Not public.
5719         */
5720        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
5721
5722        /**
5723         * Whether users are allowed to add more users or guest from lockscreen.
5724         * <p>
5725         * Type: int
5726         * @hide
5727         */
5728        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
5729
5730        /**
5731         * Setting whether the global gesture for enabling accessibility is enabled.
5732         * If this gesture is enabled the user will be able to perfrom it to enable
5733         * the accessibility state without visiting the settings app.
5734         * @hide
5735         */
5736        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
5737                "enable_accessibility_global_gesture_enabled";
5738
5739        /**
5740         * Whether Airplane Mode is on.
5741         */
5742        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
5743
5744        /**
5745         * Whether Theater Mode is on.
5746         * {@hide}
5747         */
5748        @SystemApi
5749        public static final String THEATER_MODE_ON = "theater_mode_on";
5750
5751        /**
5752         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
5753         */
5754        public static final String RADIO_BLUETOOTH = "bluetooth";
5755
5756        /**
5757         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
5758         */
5759        public static final String RADIO_WIFI = "wifi";
5760
5761        /**
5762         * {@hide}
5763         */
5764        public static final String RADIO_WIMAX = "wimax";
5765        /**
5766         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
5767         */
5768        public static final String RADIO_CELL = "cell";
5769
5770        /**
5771         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
5772         */
5773        public static final String RADIO_NFC = "nfc";
5774
5775        /**
5776         * A comma separated list of radios that need to be disabled when airplane mode
5777         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
5778         * included in the comma separated list.
5779         */
5780        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
5781
5782        /**
5783         * A comma separated list of radios that should to be disabled when airplane mode
5784         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
5785         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
5786         * will be turned off when entering airplane mode, but the user will be able to reenable
5787         * Wifi in the Settings app.
5788         *
5789         * {@hide}
5790         */
5791        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
5792
5793        /**
5794         * The policy for deciding when Wi-Fi should go to sleep (which will in
5795         * turn switch to using the mobile data as an Internet connection).
5796         * <p>
5797         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
5798         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
5799         * {@link #WIFI_SLEEP_POLICY_NEVER}.
5800         */
5801        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
5802
5803        /**
5804         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
5805         * policy, which is to sleep shortly after the turning off
5806         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
5807         */
5808        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
5809
5810        /**
5811         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
5812         * the device is on battery, and never go to sleep when the device is
5813         * plugged in.
5814         */
5815        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
5816
5817        /**
5818         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
5819         */
5820        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
5821
5822        /**
5823         * Value to specify if the user prefers the date, time and time zone
5824         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
5825         */
5826        public static final String AUTO_TIME = "auto_time";
5827
5828        /**
5829         * Value to specify if the user prefers the time zone
5830         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
5831         */
5832        public static final String AUTO_TIME_ZONE = "auto_time_zone";
5833
5834        /**
5835         * URI for the car dock "in" event sound.
5836         * @hide
5837         */
5838        public static final String CAR_DOCK_SOUND = "car_dock_sound";
5839
5840        /**
5841         * URI for the car dock "out" event sound.
5842         * @hide
5843         */
5844        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
5845
5846        /**
5847         * URI for the desk dock "in" event sound.
5848         * @hide
5849         */
5850        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
5851
5852        /**
5853         * URI for the desk dock "out" event sound.
5854         * @hide
5855         */
5856        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
5857
5858        /**
5859         * Whether to play a sound for dock events.
5860         * @hide
5861         */
5862        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
5863
5864        /**
5865         * URI for the "device locked" (keyguard shown) sound.
5866         * @hide
5867         */
5868        public static final String LOCK_SOUND = "lock_sound";
5869
5870        /**
5871         * URI for the "device unlocked" sound.
5872         * @hide
5873         */
5874        public static final String UNLOCK_SOUND = "unlock_sound";
5875
5876        /**
5877         * URI for the "device is trusted" sound, which is played when the device enters the trusted
5878         * state without unlocking.
5879         * @hide
5880         */
5881        public static final String TRUSTED_SOUND = "trusted_sound";
5882
5883        /**
5884         * URI for the low battery sound file.
5885         * @hide
5886         */
5887        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
5888
5889        /**
5890         * Whether to play a sound for low-battery alerts.
5891         * @hide
5892         */
5893        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
5894
5895        /**
5896         * URI for the "wireless charging started" sound.
5897         * @hide
5898         */
5899        public static final String WIRELESS_CHARGING_STARTED_SOUND =
5900                "wireless_charging_started_sound";
5901
5902        /**
5903         * Whether we keep the device on while the device is plugged in.
5904         * Supported values are:
5905         * <ul>
5906         * <li>{@code 0} to never stay on while plugged in</li>
5907         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
5908         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
5909         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
5910         * </ul>
5911         * These values can be OR-ed together.
5912         */
5913        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
5914
5915        /**
5916         * When the user has enable the option to have a "bug report" command
5917         * in the power menu.
5918         * @hide
5919         */
5920        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
5921
5922        /**
5923         * Whether ADB is enabled.
5924         */
5925        public static final String ADB_ENABLED = "adb_enabled";
5926
5927        /**
5928         * Whether Views are allowed to save their attribute data.
5929         * @hide
5930         */
5931        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
5932
5933        /**
5934         * Whether assisted GPS should be enabled or not.
5935         * @hide
5936         */
5937        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
5938
5939        /**
5940         * Whether bluetooth is enabled/disabled
5941         * 0=disabled. 1=enabled.
5942         */
5943        public static final String BLUETOOTH_ON = "bluetooth_on";
5944
5945        /**
5946         * CDMA Cell Broadcast SMS
5947         *                            0 = CDMA Cell Broadcast SMS disabled
5948         *                            1 = CDMA Cell Broadcast SMS enabled
5949         * @hide
5950         */
5951        public static final String CDMA_CELL_BROADCAST_SMS =
5952                "cdma_cell_broadcast_sms";
5953
5954        /**
5955         * The CDMA roaming mode 0 = Home Networks, CDMA default
5956         *                       1 = Roaming on Affiliated networks
5957         *                       2 = Roaming on any networks
5958         * @hide
5959         */
5960        public static final String CDMA_ROAMING_MODE = "roaming_settings";
5961
5962        /**
5963         * The CDMA subscription mode 0 = RUIM/SIM (default)
5964         *                                1 = NV
5965         * @hide
5966         */
5967        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
5968
5969        /** Inactivity timeout to track mobile data activity.
5970        *
5971        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
5972        * infer the data activity of mobile network. After a period of no activity on mobile
5973        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
5974        * intent is fired to indicate a transition of network status from "active" to "idle". Any
5975        * subsequent activity on mobile networks triggers the firing of {@code
5976        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
5977        *
5978        * Network activity refers to transmitting or receiving data on the network interfaces.
5979        *
5980        * Tracking is disabled if set to zero or negative value.
5981        *
5982        * @hide
5983        */
5984       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
5985
5986       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
5987        * but for Wifi network.
5988        * @hide
5989        */
5990       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
5991
5992       /**
5993        * Whether or not data roaming is enabled. (0 = false, 1 = true)
5994        */
5995       public static final String DATA_ROAMING = "data_roaming";
5996
5997       /**
5998        * The value passed to a Mobile DataConnection via bringUp which defines the
5999        * number of retries to preform when setting up the initial connection. The default
6000        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6001        * @hide
6002        */
6003       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6004
6005       /**
6006        * Whether user has enabled development settings.
6007        */
6008       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6009
6010       /**
6011        * Whether the device has been provisioned (0 = false, 1 = true)
6012        */
6013       public static final String DEVICE_PROVISIONED = "device_provisioned";
6014
6015       /**
6016        * The saved value for WindowManagerService.setForcedDisplayDensity().
6017        * One integer in dpi.  If unset, then use the real display density.
6018        * @hide
6019        */
6020       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6021
6022       /**
6023        * The saved value for WindowManagerService.setForcedDisplaySize().
6024        * Two integers separated by a comma.  If unset, then use the real display size.
6025        * @hide
6026        */
6027       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6028
6029       /**
6030        * The maximum size, in bytes, of a download that the download manager will transfer over
6031        * a non-wifi connection.
6032        * @hide
6033        */
6034       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6035               "download_manager_max_bytes_over_mobile";
6036
6037       /**
6038        * The recommended maximum size, in bytes, of a download that the download manager should
6039        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6040        * have the option to start the download over the mobile connection anyway.
6041        * @hide
6042        */
6043       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6044               "download_manager_recommended_max_bytes_over_mobile";
6045
6046       /**
6047        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6048        */
6049       @Deprecated
6050       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6051
6052       /**
6053        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6054        * sent or processed. (0 = false, 1 = true)
6055        * @hide
6056        */
6057       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6058
6059       /**
6060        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6061        * and the output is redirected to AV Receiver connected via
6062        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6063        * @hide
6064        */
6065       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6066
6067       /**
6068        * Whether TV will automatically turn on upon reception of the CEC command
6069        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6070        * @hide
6071        */
6072       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6073               "hdmi_control_auto_wakeup_enabled";
6074
6075       /**
6076        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6077        * (0 = false, 1 = true)
6078        * @hide
6079        */
6080       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6081               "hdmi_control_auto_device_off_enabled";
6082
6083       /**
6084        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6085        * client.
6086        * (0 = false, 1 = true)
6087        * @hide
6088        */
6089       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6090
6091       /**
6092        * Whether TV will switch to MHL port when a mobile device is plugged in.
6093        * (0 = false, 1 = true)
6094        * @hide
6095        */
6096       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6097
6098       /**
6099        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6100        * @hide
6101        */
6102       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6103
6104       /**
6105        * Whether mobile data connections are allowed by the user.  See
6106        * ConnectivityManager for more info.
6107        * @hide
6108        */
6109       public static final String MOBILE_DATA = "mobile_data";
6110
6111       /** {@hide} */
6112       public static final String NETSTATS_ENABLED = "netstats_enabled";
6113       /** {@hide} */
6114       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6115       /** {@hide} */
6116       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6117       /** {@hide} */
6118       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6119       /** {@hide} */
6120       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6121
6122       /** {@hide} */
6123       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6124       /** {@hide} */
6125       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6126       /** {@hide} */
6127       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6128       /** {@hide} */
6129       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6130
6131       /** {@hide} */
6132       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6133       /** {@hide} */
6134       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6135       /** {@hide} */
6136       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6137       /** {@hide} */
6138       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6139
6140       /** {@hide} */
6141       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6142       /** {@hide} */
6143       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6144       /** {@hide} */
6145       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6146       /** {@hide} */
6147       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6148
6149       /**
6150        * User preference for which network(s) should be used. Only the
6151        * connectivity service should touch this.
6152        */
6153       public static final String NETWORK_PREFERENCE = "network_preference";
6154
6155       /**
6156        * Which package name to use for network scoring. If null, or if the package is not a valid
6157        * scorer app, external network scores will neither be requested nor accepted.
6158        * @hide
6159        */
6160       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6161
6162       /**
6163        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6164        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6165        * exceeded.
6166        * @hide
6167        */
6168       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6169
6170       /**
6171        * The length of time in milli-seconds that automatic small adjustments to
6172        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6173        * @hide
6174        */
6175       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6176
6177       /** Preferred NTP server. {@hide} */
6178       public static final String NTP_SERVER = "ntp_server";
6179       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6180       public static final String NTP_TIMEOUT = "ntp_timeout";
6181
6182       /**
6183        * Whether the package manager should send package verification broadcasts for verifiers to
6184        * review apps prior to installation.
6185        * 1 = request apps to be verified prior to installation, if a verifier exists.
6186        * 0 = do not verify apps before installation
6187        * @hide
6188        */
6189       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6190
6191       /** Timeout for package verification.
6192        * @hide */
6193       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6194
6195       /** Default response code for package verification.
6196        * @hide */
6197       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6198
6199       /**
6200        * Show package verification setting in the Settings app.
6201        * 1 = show (default)
6202        * 0 = hide
6203        * @hide
6204        */
6205       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6206
6207       /**
6208        * Run package verification on apps installed through ADB/ADT/USB
6209        * 1 = perform package verification on ADB installs (default)
6210        * 0 = bypass package verification on ADB installs
6211        * @hide
6212        */
6213       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6214
6215       /**
6216        * Time since last fstrim (milliseconds) after which we force one to happen
6217        * during device startup.  If unset, the default is 3 days.
6218        * @hide
6219        */
6220       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6221
6222       /**
6223        * The interval in milliseconds at which to check packet counts on the
6224        * mobile data interface when screen is on, to detect possible data
6225        * connection problems.
6226        * @hide
6227        */
6228       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6229               "pdp_watchdog_poll_interval_ms";
6230
6231       /**
6232        * The interval in milliseconds at which to check packet counts on the
6233        * mobile data interface when screen is off, to detect possible data
6234        * connection problems.
6235        * @hide
6236        */
6237       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6238               "pdp_watchdog_long_poll_interval_ms";
6239
6240       /**
6241        * The interval in milliseconds at which to check packet counts on the
6242        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6243        * outgoing packets has been reached without incoming packets.
6244        * @hide
6245        */
6246       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6247               "pdp_watchdog_error_poll_interval_ms";
6248
6249       /**
6250        * The number of outgoing packets sent without seeing an incoming packet
6251        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6252        * device is logged to the event log
6253        * @hide
6254        */
6255       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6256               "pdp_watchdog_trigger_packet_count";
6257
6258       /**
6259        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6260        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6261        * attempting data connection recovery.
6262        * @hide
6263        */
6264       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6265               "pdp_watchdog_error_poll_count";
6266
6267       /**
6268        * The number of failed PDP reset attempts before moving to something more
6269        * drastic: re-registering to the network.
6270        * @hide
6271        */
6272       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6273               "pdp_watchdog_max_pdp_reset_fail_count";
6274
6275       /**
6276        * A positive value indicates how often the SamplingProfiler
6277        * should take snapshots. Zero value means SamplingProfiler
6278        * is disabled.
6279        *
6280        * @hide
6281        */
6282       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6283
6284       /**
6285        * URL to open browser on to allow user to manage a prepay account
6286        * @hide
6287        */
6288       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6289               "setup_prepaid_data_service_url";
6290
6291       /**
6292        * URL to attempt a GET on to see if this is a prepay device
6293        * @hide
6294        */
6295       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6296               "setup_prepaid_detection_target_url";
6297
6298       /**
6299        * Host to check for a redirect to after an attempt to GET
6300        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6301        * this is a prepaid device with zero balance.)
6302        * @hide
6303        */
6304       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6305               "setup_prepaid_detection_redir_host";
6306
6307       /**
6308        * The interval in milliseconds at which to check the number of SMS sent out without asking
6309        * for use permit, to limit the un-authorized SMS usage.
6310        *
6311        * @hide
6312        */
6313       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6314               "sms_outgoing_check_interval_ms";
6315
6316       /**
6317        * The number of outgoing SMS sent without asking for user permit (of {@link
6318        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6319        *
6320        * @hide
6321        */
6322       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6323               "sms_outgoing_check_max_count";
6324
6325       /**
6326        * Used to disable SMS short code confirmation - defaults to true.
6327        * True indcates we will do the check, etc.  Set to false to disable.
6328        * @see com.android.internal.telephony.SmsUsageMonitor
6329        * @hide
6330        */
6331       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6332
6333        /**
6334         * Used to select which country we use to determine premium sms codes.
6335         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6336         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6337         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6338         * @hide
6339         */
6340        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6341
6342       /**
6343        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6344        * @hide
6345        */
6346       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6347
6348       /**
6349        * Used to disable Tethering on a device - defaults to true
6350        * @hide
6351        */
6352       public static final String TETHER_SUPPORTED = "tether_supported";
6353
6354       /**
6355        * Used to require DUN APN on the device or not - defaults to a build config value
6356        * which defaults to false
6357        * @hide
6358        */
6359       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6360
6361       /**
6362        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6363        * corresponding build config values are set it will override the APN DB
6364        * values.
6365        * Consists of a comma seperated list of strings:
6366        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6367        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6368        * @hide
6369        */
6370       public static final String TETHER_DUN_APN = "tether_dun_apn";
6371
6372       /**
6373        * USB Mass Storage Enabled
6374        */
6375       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6376
6377       /**
6378        * If this setting is set (to anything), then all references
6379        * to Gmail on the device must change to Google Mail.
6380        */
6381       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6382
6383        /**
6384         * Webview Data reduction proxy key.
6385         * @hide
6386         */
6387        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6388                "webview_data_reduction_proxy_key";
6389
6390       /**
6391        * Whether Wifi display is enabled/disabled
6392        * 0=disabled. 1=enabled.
6393        * @hide
6394        */
6395       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6396
6397       /**
6398        * Whether Wifi display certification mode is enabled/disabled
6399        * 0=disabled. 1=enabled.
6400        * @hide
6401        */
6402       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6403               "wifi_display_certification_on";
6404
6405       /**
6406        * WPS Configuration method used by Wifi display, this setting only
6407        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6408        *
6409        * Possible values are:
6410        *
6411        * WpsInfo.INVALID: use default WPS method chosen by framework
6412        * WpsInfo.PBC    : use Push button
6413        * WpsInfo.KEYPAD : use Keypad
6414        * WpsInfo.DISPLAY: use Display
6415        * @hide
6416        */
6417       public static final String WIFI_DISPLAY_WPS_CONFIG =
6418           "wifi_display_wps_config";
6419
6420       /**
6421        * Whether to notify the user of open networks.
6422        * <p>
6423        * If not connected and the scan results have an open network, we will
6424        * put this notification up. If we attempt to connect to a network or
6425        * the open network(s) disappear, we remove the notification. When we
6426        * show the notification, we will not show it again for
6427        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6428        */
6429       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6430               "wifi_networks_available_notification_on";
6431       /**
6432        * {@hide}
6433        */
6434       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6435               "wimax_networks_available_notification_on";
6436
6437       /**
6438        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6439        * Connecting to a network will reset the timer.
6440        */
6441       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6442               "wifi_networks_available_repeat_delay";
6443
6444       /**
6445        * 802.11 country code in ISO 3166 format
6446        * @hide
6447        */
6448       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6449
6450       /**
6451        * The interval in milliseconds to issue wake up scans when wifi needs
6452        * to connect. This is necessary to connect to an access point when
6453        * device is on the move and the screen is off.
6454        * @hide
6455        */
6456       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6457               "wifi_framework_scan_interval_ms";
6458
6459       /**
6460        * The interval in milliseconds after which Wi-Fi is considered idle.
6461        * When idle, it is possible for the device to be switched from Wi-Fi to
6462        * the mobile data network.
6463        * @hide
6464        */
6465       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6466
6467       /**
6468        * When the number of open networks exceeds this number, the
6469        * least-recently-used excess networks will be removed.
6470        */
6471       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6472
6473       /**
6474        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6475        */
6476       public static final String WIFI_ON = "wifi_on";
6477
6478       /**
6479        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6480        * @hide
6481        */
6482       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6483                "wifi_scan_always_enabled";
6484
6485       /**
6486        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6487        * connectivity.
6488        * @hide
6489        */
6490       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6491               "ble_scan_always_enabled";
6492
6493       /**
6494        * Used to save the Wifi_ON state prior to tethering.
6495        * This state will be checked to restore Wifi after
6496        * the user turns off tethering.
6497        *
6498        * @hide
6499        */
6500       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6501
6502       /**
6503        * The interval in milliseconds to scan as used by the wifi supplicant
6504        * @hide
6505        */
6506       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6507               "wifi_supplicant_scan_interval_ms";
6508
6509        /**
6510         * whether frameworks handles wifi auto-join
6511         * @hide
6512         */
6513       public static final String WIFI_ENHANCED_AUTO_JOIN =
6514                "wifi_enhanced_auto_join";
6515
6516        /**
6517         * whether settings show RSSI
6518         * @hide
6519         */
6520        public static final String WIFI_NETWORK_SHOW_RSSI =
6521                "wifi_network_show_rssi";
6522
6523        /**
6524        * The interval in milliseconds to scan at supplicant when p2p is connected
6525        * @hide
6526        */
6527       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6528               "wifi_scan_interval_p2p_connected_ms";
6529
6530       /**
6531        * Whether the Wi-Fi watchdog is enabled.
6532        */
6533       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6534
6535       /**
6536        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6537        * the setting needs to be set to 0 to disable it.
6538        * @hide
6539        */
6540       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6541               "wifi_watchdog_poor_network_test_enabled";
6542
6543       /**
6544        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6545        * needs to be set to 0 to disable it.
6546        * @hide
6547        */
6548       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6549               "wifi_suspend_optimizations_enabled";
6550
6551       /**
6552        * The maximum number of times we will retry a connection to an access
6553        * point for which we have failed in acquiring an IP address from DHCP.
6554        * A value of N means that we will make N+1 connection attempts in all.
6555        */
6556       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
6557
6558       /**
6559        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
6560        * data connectivity to be established after a disconnect from Wi-Fi.
6561        */
6562       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
6563           "wifi_mobile_data_transition_wakelock_timeout_ms";
6564
6565       /**
6566        * The operational wifi frequency band
6567        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
6568        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
6569        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
6570        *
6571        * @hide
6572        */
6573       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
6574
6575       /**
6576        * The Wi-Fi peer-to-peer device name
6577        * @hide
6578        */
6579       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
6580
6581       /**
6582        * The min time between wifi disable and wifi enable
6583        * @hide
6584        */
6585       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
6586
6587       /**
6588        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
6589        * from an ephemeral network if there is no BSSID for that network with a non-null score that
6590        * has been seen in this time period.
6591        *
6592        * If this is less than or equal to zero, we use a more conservative behavior and only check
6593        * for a non-null score from the currently connected or target BSSID.
6594        * @hide
6595        */
6596       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
6597               "wifi_ephemeral_out_of_range_timeout_ms";
6598
6599       /**
6600        * The number of milliseconds to delay when checking for data stalls during
6601        * non-aggressive detection. (screen is turned off.)
6602        * @hide
6603        */
6604       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
6605               "data_stall_alarm_non_aggressive_delay_in_ms";
6606
6607       /**
6608        * The number of milliseconds to delay when checking for data stalls during
6609        * aggressive detection. (screen on or suspected data stall)
6610        * @hide
6611        */
6612       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
6613               "data_stall_alarm_aggressive_delay_in_ms";
6614
6615       /**
6616        * The number of milliseconds to allow the provisioning apn to remain active
6617        * @hide
6618        */
6619       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
6620               "provisioning_apn_alarm_delay_in_ms";
6621
6622       /**
6623        * The interval in milliseconds at which to check gprs registration
6624        * after the first registration mismatch of gprs and voice service,
6625        * to detect possible data network registration problems.
6626        *
6627        * @hide
6628        */
6629       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
6630               "gprs_register_check_period_ms";
6631
6632       /**
6633        * Nonzero causes Log.wtf() to crash.
6634        * @hide
6635        */
6636       public static final String WTF_IS_FATAL = "wtf_is_fatal";
6637
6638       /**
6639        * Ringer mode. This is used internally, changing this value will not
6640        * change the ringer mode. See AudioManager.
6641        */
6642       public static final String MODE_RINGER = "mode_ringer";
6643
6644       /**
6645        * Overlay display devices setting.
6646        * The associated value is a specially formatted string that describes the
6647        * size and density of simulated secondary display devices.
6648        * <p>
6649        * Format: {width}x{height}/{dpi};...
6650        * </p><p>
6651        * Example:
6652        * <ul>
6653        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
6654        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
6655        * at 1080p and the second at 720p.</li>
6656        * <li>If the value is empty, then no overlay display devices are created.</li>
6657        * </ul></p>
6658        *
6659        * @hide
6660        */
6661       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
6662
6663        /**
6664         * Threshold values for the duration and level of a discharge cycle,
6665         * under which we log discharge cycle info.
6666         *
6667         * @hide
6668         */
6669        public static final String
6670                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
6671
6672        /** @hide */
6673        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
6674
6675        /**
6676         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
6677         * intents on application crashes and ANRs. If this is disabled, the
6678         * crash/ANR dialog will never display the "Report" button.
6679         * <p>
6680         * Type: int (0 = disallow, 1 = allow)
6681         *
6682         * @hide
6683         */
6684        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
6685
6686        /**
6687         * Maximum age of entries kept by {@link DropBoxManager}.
6688         *
6689         * @hide
6690         */
6691        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
6692
6693        /**
6694         * Maximum number of entry files which {@link DropBoxManager} will keep
6695         * around.
6696         *
6697         * @hide
6698         */
6699        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
6700
6701        /**
6702         * Maximum amount of disk space used by {@link DropBoxManager} no matter
6703         * what.
6704         *
6705         * @hide
6706         */
6707        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
6708
6709        /**
6710         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
6711         * will use.
6712         *
6713         * @hide
6714         */
6715        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
6716
6717        /**
6718         * Percent of total disk which {@link DropBoxManager} will never dip
6719         * into.
6720         *
6721         * @hide
6722         */
6723        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
6724
6725        /**
6726         * Prefix for per-tag dropbox disable/enable settings.
6727         *
6728         * @hide
6729         */
6730        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
6731
6732        /**
6733         * Lines of logcat to include with system crash/ANR/etc. reports, as a
6734         * prefix of the dropbox tag of the report type. For example,
6735         * "logcat_for_system_server_anr" controls the lines of logcat captured
6736         * with system server ANR reports. 0 to disable.
6737         *
6738         * @hide
6739         */
6740        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
6741
6742        /**
6743         * The interval in minutes after which the amount of free storage left
6744         * on the device is logged to the event log
6745         *
6746         * @hide
6747         */
6748        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
6749
6750        /**
6751         * Threshold for the amount of change in disk free space required to
6752         * report the amount of free space. Used to prevent spamming the logs
6753         * when the disk free space isn't changing frequently.
6754         *
6755         * @hide
6756         */
6757        public static final String
6758                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
6759
6760        /**
6761         * Minimum percentage of free storage on the device that is used to
6762         * determine if the device is running low on storage. The default is 10.
6763         * <p>
6764         * Say this value is set to 10, the device is considered running low on
6765         * storage if 90% or more of the device storage is filled up.
6766         *
6767         * @hide
6768         */
6769        public static final String
6770                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
6771
6772        /**
6773         * Maximum byte size of the low storage threshold. This is to ensure
6774         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
6775         * overly large threshold for large storage devices. Currently this must
6776         * be less than 2GB. This default is 500MB.
6777         *
6778         * @hide
6779         */
6780        public static final String
6781                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
6782
6783        /**
6784         * Minimum bytes of free storage on the device before the data partition
6785         * is considered full. By default, 1 MB is reserved to avoid system-wide
6786         * SQLite disk full exceptions.
6787         *
6788         * @hide
6789         */
6790        public static final String
6791                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
6792
6793        /**
6794         * The maximum reconnect delay for short network outages or when the
6795         * network is suspended due to phone use.
6796         *
6797         * @hide
6798         */
6799        public static final String
6800                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
6801
6802        /**
6803         * The number of milliseconds to delay before sending out
6804         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
6805         *
6806         * @hide
6807         */
6808        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
6809
6810
6811        /**
6812         * Network sampling interval, in seconds. We'll generate link information
6813         * about bytes/packets sent and error rates based on data sampled in this interval
6814         *
6815         * @hide
6816         */
6817
6818        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
6819                "connectivity_sampling_interval_in_seconds";
6820
6821        /**
6822         * The series of successively longer delays used in retrying to download PAC file.
6823         * Last delay is used between successful PAC downloads.
6824         *
6825         * @hide
6826         */
6827        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
6828
6829        /**
6830         * Setting to turn off captive portal detection. Feature is enabled by
6831         * default and the setting needs to be set to 0 to disable it.
6832         *
6833         * @hide
6834         */
6835        public static final String
6836                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
6837
6838        /**
6839         * The server used for captive portal detection upon a new conection. A
6840         * 204 response code from the server is used for validation.
6841         *
6842         * @hide
6843         */
6844        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
6845
6846        /**
6847         * Whether network service discovery is enabled.
6848         *
6849         * @hide
6850         */
6851        public static final String NSD_ON = "nsd_on";
6852
6853        /**
6854         * Let user pick default install location.
6855         *
6856         * @hide
6857         */
6858        public static final String SET_INSTALL_LOCATION = "set_install_location";
6859
6860        /**
6861         * Default install location value.
6862         * 0 = auto, let system decide
6863         * 1 = internal
6864         * 2 = sdcard
6865         * @hide
6866         */
6867        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
6868
6869        /**
6870         * ms during which to consume extra events related to Inet connection
6871         * condition after a transtion to fully-connected
6872         *
6873         * @hide
6874         */
6875        public static final String
6876                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
6877
6878        /**
6879         * ms during which to consume extra events related to Inet connection
6880         * condtion after a transtion to partly-connected
6881         *
6882         * @hide
6883         */
6884        public static final String
6885                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
6886
6887        /** {@hide} */
6888        public static final String
6889                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
6890
6891        /**
6892         * Host name and port for global http proxy. Uses ':' seperator for
6893         * between host and port.
6894         */
6895        public static final String HTTP_PROXY = "http_proxy";
6896
6897        /**
6898         * Host name for global http proxy. Set via ConnectivityManager.
6899         *
6900         * @hide
6901         */
6902        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
6903
6904        /**
6905         * Integer host port for global http proxy. Set via ConnectivityManager.
6906         *
6907         * @hide
6908         */
6909        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
6910
6911        /**
6912         * Exclusion list for global proxy. This string contains a list of
6913         * comma-separated domains where the global proxy does not apply.
6914         * Domains should be listed in a comma- separated list. Example of
6915         * acceptable formats: ".domain1.com,my.domain2.com" Use
6916         * ConnectivityManager to set/get.
6917         *
6918         * @hide
6919         */
6920        public static final String
6921                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
6922
6923        /**
6924         * The location PAC File for the proxy.
6925         * @hide
6926         */
6927        public static final String
6928                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
6929
6930        /**
6931         * Enables the UI setting to allow the user to specify the global HTTP
6932         * proxy and associated exclusion list.
6933         *
6934         * @hide
6935         */
6936        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
6937
6938        /**
6939         * Setting for default DNS in case nobody suggests one
6940         *
6941         * @hide
6942         */
6943        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
6944
6945        /** {@hide} */
6946        public static final String
6947                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
6948        /** {@hide} */
6949        public static final String
6950                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
6951        /** {@hide} */
6952        public static final String
6953                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
6954        /** {@hide} */
6955        public static final String
6956                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
6957
6958        /**
6959         * Get the key that retrieves a bluetooth headset's priority.
6960         * @hide
6961         */
6962        public static final String getBluetoothHeadsetPriorityKey(String address) {
6963            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
6964        }
6965
6966        /**
6967         * Get the key that retrieves a bluetooth a2dp sink's priority.
6968         * @hide
6969         */
6970        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
6971            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
6972        }
6973
6974        /**
6975         * Get the key that retrieves a bluetooth Input Device's priority.
6976         * @hide
6977         */
6978        public static final String getBluetoothInputDevicePriorityKey(String address) {
6979            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
6980        }
6981
6982        /**
6983         * Get the key that retrieves a bluetooth map priority.
6984         * @hide
6985         */
6986        public static final String getBluetoothMapPriorityKey(String address) {
6987            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
6988        }
6989        /**
6990         * Scaling factor for normal window animations. Setting to 0 will
6991         * disable window animations.
6992         */
6993        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
6994
6995        /**
6996         * Scaling factor for activity transition animations. Setting to 0 will
6997         * disable window animations.
6998         */
6999        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7000
7001        /**
7002         * Scaling factor for Animator-based animations. This affects both the
7003         * start delay and duration of all such animations. Setting to 0 will
7004         * cause animations to end immediately. The default value is 1.
7005         */
7006        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7007
7008        /**
7009         * Scaling factor for normal window animations. Setting to 0 will
7010         * disable window animations.
7011         *
7012         * @hide
7013         */
7014        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7015
7016        /**
7017         * If 0, the compatibility mode is off for all applications.
7018         * If 1, older applications run under compatibility mode.
7019         * TODO: remove this settings before code freeze (bug/1907571)
7020         * @hide
7021         */
7022        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7023
7024        /**
7025         * CDMA only settings
7026         * Emergency Tone  0 = Off
7027         *                 1 = Alert
7028         *                 2 = Vibrate
7029         * @hide
7030         */
7031        public static final String EMERGENCY_TONE = "emergency_tone";
7032
7033        /**
7034         * CDMA only settings
7035         * Whether the auto retry is enabled. The value is
7036         * boolean (1 or 0).
7037         * @hide
7038         */
7039        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7040
7041        /**
7042         * See RIL_PreferredNetworkType in ril.h
7043         * @hide
7044         */
7045        public static final String PREFERRED_NETWORK_MODE =
7046                "preferred_network_mode";
7047
7048        /**
7049         * Setting to 1 will hide carrier network settings.
7050         * Default is 0.
7051         * @hide
7052         */
7053        public static final String HIDE_CARRIER_NETWORK_SETTINGS =
7054                "hide_carrier_network_settings";
7055
7056        /**
7057         * Name of an application package to be debugged.
7058         */
7059        public static final String DEBUG_APP = "debug_app";
7060
7061        /**
7062         * If 1, when launching DEBUG_APP it will wait for the debugger before
7063         * starting user code.  If 0, it will run normally.
7064         */
7065        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7066
7067        /**
7068         * Control whether the process CPU usage meter should be shown.
7069         */
7070        public static final String SHOW_PROCESSES = "show_processes";
7071
7072        /**
7073         * If 1 low power mode is enabled.
7074         * @hide
7075         */
7076        public static final String LOW_POWER_MODE = "low_power";
7077
7078        /**
7079         * Battery level [1-99] at which low power mode automatically turns on.
7080         * If 0, it will not automatically turn on.
7081         * @hide
7082         */
7083        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7084
7085         /**
7086         * If 1, the activity manager will aggressively finish activities and
7087         * processes as soon as they are no longer needed.  If 0, the normal
7088         * extended lifetime is used.
7089         */
7090        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7091
7092        /**
7093         * Use Dock audio output for media:
7094         *      0 = disabled
7095         *      1 = enabled
7096         * @hide
7097         */
7098        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7099
7100        /**
7101         * Persisted safe headphone volume management state by AudioService
7102         * @hide
7103         */
7104        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7105
7106        /**
7107         * URL for tzinfo (time zone) updates
7108         * @hide
7109         */
7110        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7111
7112        /**
7113         * URL for tzinfo (time zone) update metadata
7114         * @hide
7115         */
7116        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7117
7118        /**
7119         * URL for selinux (mandatory access control) updates
7120         * @hide
7121         */
7122        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7123
7124        /**
7125         * URL for selinux (mandatory access control) update metadata
7126         * @hide
7127         */
7128        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7129
7130        /**
7131         * URL for sms short code updates
7132         * @hide
7133         */
7134        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7135                "sms_short_codes_content_url";
7136
7137        /**
7138         * URL for sms short code update metadata
7139         * @hide
7140         */
7141        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7142                "sms_short_codes_metadata_url";
7143
7144        /**
7145         * URL for cert pinlist updates
7146         * @hide
7147         */
7148        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7149
7150        /**
7151         * URL for cert pinlist updates
7152         * @hide
7153         */
7154        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7155
7156        /**
7157         * URL for intent firewall updates
7158         * @hide
7159         */
7160        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7161                "intent_firewall_content_url";
7162
7163        /**
7164         * URL for intent firewall update metadata
7165         * @hide
7166         */
7167        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7168                "intent_firewall_metadata_url";
7169
7170        /**
7171         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7172         * @hide
7173         */
7174        public static final String SELINUX_STATUS = "selinux_status";
7175
7176        /**
7177         * Developer setting to force RTL layout.
7178         * @hide
7179         */
7180        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7181
7182        /**
7183         * Milliseconds after screen-off after which low battery sounds will be silenced.
7184         *
7185         * If zero, battery sounds will always play.
7186         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7187         *
7188         * @hide
7189         */
7190        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7191
7192        /**
7193         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7194         * the caller is done with this, they should call {@link ContentResolver#delete} to
7195         * clean up any value that they may have written.
7196         *
7197         * @hide
7198         */
7199        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7200
7201        /**
7202         * Defines global runtime overrides to window policy.
7203         *
7204         * See {@link com.android.server.policy.PolicyControl} for value format.
7205         *
7206         * @hide
7207         */
7208        public static final String POLICY_CONTROL = "policy_control";
7209
7210        /**
7211         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7212         * or ZEN_MODE_NO_INTERRUPTIONS.
7213         *
7214         * @hide
7215         */
7216        public static final String ZEN_MODE = "zen_mode";
7217
7218        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7219        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7220        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7221        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7222
7223        /** @hide */ public static String zenModeToString(int mode) {
7224            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7225            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7226            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7227            return "ZEN_MODE_OFF";
7228        }
7229
7230        /** @hide */ public static boolean isValidZenMode(int value) {
7231            switch (value) {
7232                case Global.ZEN_MODE_OFF:
7233                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7234                case Global.ZEN_MODE_ALARMS:
7235                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7236                    return true;
7237                default:
7238                    return false;
7239            }
7240        }
7241
7242        /**
7243         * Opaque value, changes when persisted zen mode configuration changes.
7244         *
7245         * @hide
7246         */
7247        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7248
7249        /**
7250         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7251         *
7252         * @hide
7253         */
7254        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7255                "heads_up_notifications_enabled";
7256
7257        /** @hide */ public static final int HEADS_UP_OFF = 0;
7258        /** @hide */ public static final int HEADS_UP_ON = 1;
7259
7260        /**
7261         * The name of the device
7262         *
7263         * @hide
7264         */
7265        public static final String DEVICE_NAME = "device_name";
7266
7267        /**
7268         * Whether it should be possible to create a guest user on the device.
7269         * <p>
7270         * Type: int (0 for disabled, 1 for enabled)
7271         * @hide
7272         */
7273        public static final String GUEST_USER_ENABLED = "guest_user_enabled";
7274
7275        /**
7276         * Whether the NetworkScoringService has been first initialized.
7277         * <p>
7278         * Type: int (0 for false, 1 for true)
7279         * @hide
7280         */
7281        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7282
7283        /**
7284         * Whether the user wants to be prompted for password to decrypt the device on boot.
7285         * This only matters if the storage is encrypted.
7286         * <p>
7287         * Type: int (0 for false, 1 for true)
7288         * @hide
7289         */
7290        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7291
7292        /**
7293         * Whether the Volte/VT is enabled
7294         * <p>
7295         * Type: int (0 for false, 1 for true)
7296         * @hide
7297         */
7298        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7299
7300        /**
7301         * Whether WFC is enabled
7302         * <p>
7303         * Type: int (0 for false, 1 for true)
7304         *
7305         * @hide
7306         */
7307        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7308
7309        /**
7310         * WFC Mode.
7311         * <p>
7312         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7313         *
7314         * @hide
7315         */
7316        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7317
7318        /**
7319         * Whether WFC roaming is enabled
7320         * <p>
7321         * Type: int (0 for false, 1 for true)
7322         *
7323         * @hide
7324         */
7325        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7326
7327        /**
7328         * Global override to disable VoLTE (independent of user setting)
7329         * <p>
7330         * Type: int (1 for disable VoLTE, 0 to use user configuration)
7331         * @hide
7332         */
7333        public static final String VOLTE_FEATURE_DISABLED = "volte_feature_disabled";
7334
7335        /**
7336         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7337         * this via gservices, OMA-DM, carrier app, etc.
7338         * <p>
7339         * Type: int (0 for false, 1 for true)
7340         * @hide
7341         */
7342        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7343
7344        /**
7345         * Settings to backup. This is here so that it's in the same place as the settings
7346         * keys and easy to update.
7347         *
7348         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7349         * and Secure as well.  This is because those tables drive both backup and
7350         * restore, and restore needs to properly whitelist keys that used to live
7351         * in those namespaces.  The keys will only actually be backed up / restored
7352         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7353         *
7354         * NOTE: Settings are backed up and restored in the order they appear
7355         *       in this array. If you have one setting depending on another,
7356         *       make sure that they are ordered appropriately.
7357         *
7358         * @hide
7359         */
7360        public static final String[] SETTINGS_TO_BACKUP = {
7361            BUGREPORT_IN_POWER_MENU,
7362            STAY_ON_WHILE_PLUGGED_IN,
7363            AUTO_TIME,
7364            AUTO_TIME_ZONE,
7365            POWER_SOUNDS_ENABLED,
7366            DOCK_SOUNDS_ENABLED,
7367            USB_MASS_STORAGE_ENABLED,
7368            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7369            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7370            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7371            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7372            WIFI_NUM_OPEN_NETWORKS_KEPT,
7373            EMERGENCY_TONE,
7374            CALL_AUTO_RETRY,
7375            DOCK_AUDIO_MEDIA_ENABLED,
7376            LOW_POWER_MODE_TRIGGER_LEVEL
7377        };
7378
7379        // Populated lazily, guarded by class object:
7380        private static NameValueCache sNameValueCache = new NameValueCache(
7381                    SYS_PROP_SETTING_VERSION,
7382                    CONTENT_URI,
7383                    CALL_METHOD_GET_GLOBAL,
7384                    CALL_METHOD_PUT_GLOBAL);
7385
7386        // Certain settings have been moved from global to the per-user secure namespace
7387        private static final HashSet<String> MOVED_TO_SECURE;
7388        static {
7389            MOVED_TO_SECURE = new HashSet<String>(1);
7390            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7391        }
7392
7393        /** @hide */
7394        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7395            outKeySet.addAll(MOVED_TO_SECURE);
7396        }
7397
7398        /**
7399         * Look up a name in the database.
7400         * @param resolver to access the database with
7401         * @param name to look up in the table
7402         * @return the corresponding value, or null if not present
7403         */
7404        public static String getString(ContentResolver resolver, String name) {
7405            return getStringForUser(resolver, name, UserHandle.myUserId());
7406        }
7407
7408        /** @hide */
7409        public static String getStringForUser(ContentResolver resolver, String name,
7410                int userHandle) {
7411            if (MOVED_TO_SECURE.contains(name)) {
7412                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7413                        + " to android.provider.Settings.Secure, returning read-only value.");
7414                return Secure.getStringForUser(resolver, name, userHandle);
7415            }
7416            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7417        }
7418
7419        /**
7420         * Store a name/value pair into the database.
7421         * @param resolver to access the database with
7422         * @param name to store
7423         * @param value to associate with the name
7424         * @return true if the value was set, false on database errors
7425         */
7426        public static boolean putString(ContentResolver resolver,
7427                String name, String value) {
7428            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7429        }
7430
7431        /** @hide */
7432        public static boolean putStringForUser(ContentResolver resolver,
7433                String name, String value, int userHandle) {
7434            if (LOCAL_LOGV) {
7435                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
7436                        + " for " + userHandle);
7437            }
7438            // Global and Secure have the same access policy so we can forward writes
7439            if (MOVED_TO_SECURE.contains(name)) {
7440                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7441                        + " to android.provider.Settings.Secure, value is unchanged.");
7442                return Secure.putStringForUser(resolver, name, value, userHandle);
7443            }
7444            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
7445        }
7446
7447        /**
7448         * Construct the content URI for a particular name/value pair,
7449         * useful for monitoring changes with a ContentObserver.
7450         * @param name to look up in the table
7451         * @return the corresponding content URI, or null if not present
7452         */
7453        public static Uri getUriFor(String name) {
7454            return getUriFor(CONTENT_URI, name);
7455        }
7456
7457        /**
7458         * Convenience function for retrieving a single secure settings value
7459         * as an integer.  Note that internally setting values are always
7460         * stored as strings; this function converts the string to an integer
7461         * for you.  The default value will be returned if the setting is
7462         * not defined or not an integer.
7463         *
7464         * @param cr The ContentResolver to access.
7465         * @param name The name of the setting to retrieve.
7466         * @param def Value to return if the setting is not defined.
7467         *
7468         * @return The setting's current value, or 'def' if it is not defined
7469         * or not a valid integer.
7470         */
7471        public static int getInt(ContentResolver cr, String name, int def) {
7472            String v = getString(cr, name);
7473            try {
7474                return v != null ? Integer.parseInt(v) : def;
7475            } catch (NumberFormatException e) {
7476                return def;
7477            }
7478        }
7479
7480        /**
7481         * Convenience function for retrieving a single secure settings value
7482         * as an integer.  Note that internally setting values are always
7483         * stored as strings; this function converts the string to an integer
7484         * for you.
7485         * <p>
7486         * This version does not take a default value.  If the setting has not
7487         * been set, or the string value is not a number,
7488         * it throws {@link SettingNotFoundException}.
7489         *
7490         * @param cr The ContentResolver to access.
7491         * @param name The name of the setting to retrieve.
7492         *
7493         * @throws SettingNotFoundException Thrown if a setting by the given
7494         * name can't be found or the setting value is not an integer.
7495         *
7496         * @return The setting's current value.
7497         */
7498        public static int getInt(ContentResolver cr, String name)
7499                throws SettingNotFoundException {
7500            String v = getString(cr, name);
7501            try {
7502                return Integer.parseInt(v);
7503            } catch (NumberFormatException e) {
7504                throw new SettingNotFoundException(name);
7505            }
7506        }
7507
7508        /**
7509         * Convenience function for updating a single settings value as an
7510         * integer. This will either create a new entry in the table if the
7511         * given name does not exist, or modify the value of the existing row
7512         * with that name.  Note that internally setting values are always
7513         * stored as strings, so this function converts the given value to a
7514         * string before storing it.
7515         *
7516         * @param cr The ContentResolver to access.
7517         * @param name The name of the setting to modify.
7518         * @param value The new value for the setting.
7519         * @return true if the value was set, false on database errors
7520         */
7521        public static boolean putInt(ContentResolver cr, String name, int value) {
7522            return putString(cr, name, Integer.toString(value));
7523        }
7524
7525        /**
7526         * Convenience function for retrieving a single secure settings value
7527         * as a {@code long}.  Note that internally setting values are always
7528         * stored as strings; this function converts the string to a {@code long}
7529         * for you.  The default value will be returned if the setting is
7530         * not defined or not a {@code long}.
7531         *
7532         * @param cr The ContentResolver to access.
7533         * @param name The name of the setting to retrieve.
7534         * @param def Value to return if the setting is not defined.
7535         *
7536         * @return The setting's current value, or 'def' if it is not defined
7537         * or not a valid {@code long}.
7538         */
7539        public static long getLong(ContentResolver cr, String name, long def) {
7540            String valString = getString(cr, name);
7541            long value;
7542            try {
7543                value = valString != null ? Long.parseLong(valString) : def;
7544            } catch (NumberFormatException e) {
7545                value = def;
7546            }
7547            return value;
7548        }
7549
7550        /**
7551         * Convenience function for retrieving a single secure settings value
7552         * as a {@code long}.  Note that internally setting values are always
7553         * stored as strings; this function converts the string to a {@code long}
7554         * for you.
7555         * <p>
7556         * This version does not take a default value.  If the setting has not
7557         * been set, or the string value is not a number,
7558         * it throws {@link SettingNotFoundException}.
7559         *
7560         * @param cr The ContentResolver to access.
7561         * @param name The name of the setting to retrieve.
7562         *
7563         * @return The setting's current value.
7564         * @throws SettingNotFoundException Thrown if a setting by the given
7565         * name can't be found or the setting value is not an integer.
7566         */
7567        public static long getLong(ContentResolver cr, String name)
7568                throws SettingNotFoundException {
7569            String valString = getString(cr, name);
7570            try {
7571                return Long.parseLong(valString);
7572            } catch (NumberFormatException e) {
7573                throw new SettingNotFoundException(name);
7574            }
7575        }
7576
7577        /**
7578         * Convenience function for updating a secure settings value as a long
7579         * integer. This will either create a new entry in the table if the
7580         * given name does not exist, or modify the value of the existing row
7581         * with that name.  Note that internally setting values are always
7582         * stored as strings, so this function converts the given value to a
7583         * string before storing it.
7584         *
7585         * @param cr The ContentResolver to access.
7586         * @param name The name of the setting to modify.
7587         * @param value The new value for the setting.
7588         * @return true if the value was set, false on database errors
7589         */
7590        public static boolean putLong(ContentResolver cr, String name, long value) {
7591            return putString(cr, name, Long.toString(value));
7592        }
7593
7594        /**
7595         * Convenience function for retrieving a single secure settings value
7596         * as a floating point number.  Note that internally setting values are
7597         * always stored as strings; this function converts the string to an
7598         * float for you. The default value will be returned if the setting
7599         * is not defined or not a valid float.
7600         *
7601         * @param cr The ContentResolver to access.
7602         * @param name The name of the setting to retrieve.
7603         * @param def Value to return if the setting is not defined.
7604         *
7605         * @return The setting's current value, or 'def' if it is not defined
7606         * or not a valid float.
7607         */
7608        public static float getFloat(ContentResolver cr, String name, float def) {
7609            String v = getString(cr, name);
7610            try {
7611                return v != null ? Float.parseFloat(v) : def;
7612            } catch (NumberFormatException e) {
7613                return def;
7614            }
7615        }
7616
7617        /**
7618         * Convenience function for retrieving a single secure settings value
7619         * as a float.  Note that internally setting values are always
7620         * stored as strings; this function converts the string to a float
7621         * for you.
7622         * <p>
7623         * This version does not take a default value.  If the setting has not
7624         * been set, or the string value is not a number,
7625         * it throws {@link SettingNotFoundException}.
7626         *
7627         * @param cr The ContentResolver to access.
7628         * @param name The name of the setting to retrieve.
7629         *
7630         * @throws SettingNotFoundException Thrown if a setting by the given
7631         * name can't be found or the setting value is not a float.
7632         *
7633         * @return The setting's current value.
7634         */
7635        public static float getFloat(ContentResolver cr, String name)
7636                throws SettingNotFoundException {
7637            String v = getString(cr, name);
7638            if (v == null) {
7639                throw new SettingNotFoundException(name);
7640            }
7641            try {
7642                return Float.parseFloat(v);
7643            } catch (NumberFormatException e) {
7644                throw new SettingNotFoundException(name);
7645            }
7646        }
7647
7648        /**
7649         * Convenience function for updating a single settings value as a
7650         * floating point number. This will either create a new entry in the
7651         * table if the given name does not exist, or modify the value of the
7652         * existing row with that name.  Note that internally setting values
7653         * are always stored as strings, so this function converts the given
7654         * value to a string before storing it.
7655         *
7656         * @param cr The ContentResolver to access.
7657         * @param name The name of the setting to modify.
7658         * @param value The new value for the setting.
7659         * @return true if the value was set, false on database errors
7660         */
7661        public static boolean putFloat(ContentResolver cr, String name, float value) {
7662            return putString(cr, name, Float.toString(value));
7663        }
7664
7665
7666        /**
7667          * Subscription to be used for voice call on a multi sim device. The supported values
7668          * are 0 = SUB1, 1 = SUB2 and etc.
7669          * @hide
7670          */
7671        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
7672
7673        /**
7674          * Used to provide option to user to select subscription during dial.
7675          * The supported values are 0 = disable or 1 = enable prompt.
7676          * @hide
7677          */
7678        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
7679
7680        /**
7681          * Subscription to be used for data call on a multi sim device. The supported values
7682          * are 0 = SUB1, 1 = SUB2 and etc.
7683          * @hide
7684          */
7685        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
7686
7687        /**
7688          * Subscription to be used for SMS on a multi sim device. The supported values
7689          * are 0 = SUB1, 1 = SUB2 and etc.
7690          * @hide
7691          */
7692        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
7693
7694       /**
7695          * Used to provide option to user to select subscription during send SMS.
7696          * The value 1 - enable, 0 - disable
7697          * @hide
7698          */
7699        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
7700
7701
7702
7703        /** User preferred subscriptions setting.
7704          * This holds the details of the user selected subscription from the card and
7705          * the activation status. Each settings string have the coma separated values
7706          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
7707          * @hide
7708         */
7709        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
7710                "user_preferred_sub2","user_preferred_sub3"};
7711    }
7712
7713    /**
7714     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
7715     * Intent URL, allowing it to be either a web page or a particular
7716     * application activity.
7717     *
7718     * @hide
7719     */
7720    public static final class Bookmarks implements BaseColumns
7721    {
7722        private static final String TAG = "Bookmarks";
7723
7724        /**
7725         * The content:// style URL for this table
7726         */
7727        public static final Uri CONTENT_URI =
7728            Uri.parse("content://" + AUTHORITY + "/bookmarks");
7729
7730        /**
7731         * The row ID.
7732         * <p>Type: INTEGER</p>
7733         */
7734        public static final String ID = "_id";
7735
7736        /**
7737         * Descriptive name of the bookmark that can be displayed to the user.
7738         * If this is empty, the title should be resolved at display time (use
7739         * {@link #getTitle(Context, Cursor)} any time you want to display the
7740         * title of a bookmark.)
7741         * <P>
7742         * Type: TEXT
7743         * </P>
7744         */
7745        public static final String TITLE = "title";
7746
7747        /**
7748         * Arbitrary string (displayed to the user) that allows bookmarks to be
7749         * organized into categories.  There are some special names for
7750         * standard folders, which all start with '@'.  The label displayed for
7751         * the folder changes with the locale (via {@link #getLabelForFolder}) but
7752         * the folder name does not change so you can consistently query for
7753         * the folder regardless of the current locale.
7754         *
7755         * <P>Type: TEXT</P>
7756         *
7757         */
7758        public static final String FOLDER = "folder";
7759
7760        /**
7761         * The Intent URL of the bookmark, describing what it points to.  This
7762         * value is given to {@link android.content.Intent#getIntent} to create
7763         * an Intent that can be launched.
7764         * <P>Type: TEXT</P>
7765         */
7766        public static final String INTENT = "intent";
7767
7768        /**
7769         * Optional shortcut character associated with this bookmark.
7770         * <P>Type: INTEGER</P>
7771         */
7772        public static final String SHORTCUT = "shortcut";
7773
7774        /**
7775         * The order in which the bookmark should be displayed
7776         * <P>Type: INTEGER</P>
7777         */
7778        public static final String ORDERING = "ordering";
7779
7780        private static final String[] sIntentProjection = { INTENT };
7781        private static final String[] sShortcutProjection = { ID, SHORTCUT };
7782        private static final String sShortcutSelection = SHORTCUT + "=?";
7783
7784        /**
7785         * Convenience function to retrieve the bookmarked Intent for a
7786         * particular shortcut key.
7787         *
7788         * @param cr The ContentResolver to query.
7789         * @param shortcut The shortcut key.
7790         *
7791         * @return Intent The bookmarked URL, or null if there is no bookmark
7792         *         matching the given shortcut.
7793         */
7794        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
7795        {
7796            Intent intent = null;
7797
7798            Cursor c = cr.query(CONTENT_URI,
7799                    sIntentProjection, sShortcutSelection,
7800                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
7801            // Keep trying until we find a valid shortcut
7802            try {
7803                while (intent == null && c.moveToNext()) {
7804                    try {
7805                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
7806                        intent = Intent.parseUri(intentURI, 0);
7807                    } catch (java.net.URISyntaxException e) {
7808                        // The stored URL is bad...  ignore it.
7809                    } catch (IllegalArgumentException e) {
7810                        // Column not found
7811                        Log.w(TAG, "Intent column not found", e);
7812                    }
7813                }
7814            } finally {
7815                if (c != null) c.close();
7816            }
7817
7818            return intent;
7819        }
7820
7821        /**
7822         * Add a new bookmark to the system.
7823         *
7824         * @param cr The ContentResolver to query.
7825         * @param intent The desired target of the bookmark.
7826         * @param title Bookmark title that is shown to the user; null if none
7827         *            or it should be resolved to the intent's title.
7828         * @param folder Folder in which to place the bookmark; null if none.
7829         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
7830         *            this is non-zero and there is an existing bookmark entry
7831         *            with this same shortcut, then that existing shortcut is
7832         *            cleared (the bookmark is not removed).
7833         * @return The unique content URL for the new bookmark entry.
7834         */
7835        public static Uri add(ContentResolver cr,
7836                                           Intent intent,
7837                                           String title,
7838                                           String folder,
7839                                           char shortcut,
7840                                           int ordering)
7841        {
7842            // If a shortcut is supplied, and it is already defined for
7843            // another bookmark, then remove the old definition.
7844            if (shortcut != 0) {
7845                cr.delete(CONTENT_URI, sShortcutSelection,
7846                        new String[] { String.valueOf((int) shortcut) });
7847            }
7848
7849            ContentValues values = new ContentValues();
7850            if (title != null) values.put(TITLE, title);
7851            if (folder != null) values.put(FOLDER, folder);
7852            values.put(INTENT, intent.toUri(0));
7853            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
7854            values.put(ORDERING, ordering);
7855            return cr.insert(CONTENT_URI, values);
7856        }
7857
7858        /**
7859         * Return the folder name as it should be displayed to the user.  This
7860         * takes care of localizing special folders.
7861         *
7862         * @param r Resources object for current locale; only need access to
7863         *          system resources.
7864         * @param folder The value found in the {@link #FOLDER} column.
7865         *
7866         * @return CharSequence The label for this folder that should be shown
7867         *         to the user.
7868         */
7869        public static CharSequence getLabelForFolder(Resources r, String folder) {
7870            return folder;
7871        }
7872
7873        /**
7874         * Return the title as it should be displayed to the user. This takes
7875         * care of localizing bookmarks that point to activities.
7876         *
7877         * @param context A context.
7878         * @param cursor A cursor pointing to the row whose title should be
7879         *        returned. The cursor must contain at least the {@link #TITLE}
7880         *        and {@link #INTENT} columns.
7881         * @return A title that is localized and can be displayed to the user,
7882         *         or the empty string if one could not be found.
7883         */
7884        public static CharSequence getTitle(Context context, Cursor cursor) {
7885            int titleColumn = cursor.getColumnIndex(TITLE);
7886            int intentColumn = cursor.getColumnIndex(INTENT);
7887            if (titleColumn == -1 || intentColumn == -1) {
7888                throw new IllegalArgumentException(
7889                        "The cursor must contain the TITLE and INTENT columns.");
7890            }
7891
7892            String title = cursor.getString(titleColumn);
7893            if (!TextUtils.isEmpty(title)) {
7894                return title;
7895            }
7896
7897            String intentUri = cursor.getString(intentColumn);
7898            if (TextUtils.isEmpty(intentUri)) {
7899                return "";
7900            }
7901
7902            Intent intent;
7903            try {
7904                intent = Intent.parseUri(intentUri, 0);
7905            } catch (URISyntaxException e) {
7906                return "";
7907            }
7908
7909            PackageManager packageManager = context.getPackageManager();
7910            ResolveInfo info = packageManager.resolveActivity(intent, 0);
7911            return info != null ? info.loadLabel(packageManager) : "";
7912        }
7913    }
7914
7915    /**
7916     * Returns the device ID that we should use when connecting to the mobile gtalk server.
7917     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
7918     * from the GoogleLoginService.
7919     *
7920     * @param androidId The Android ID for this device.
7921     * @return The device ID that should be used when connecting to the mobile gtalk server.
7922     * @hide
7923     */
7924    public static String getGTalkDeviceId(long androidId) {
7925        return "android-" + Long.toHexString(androidId);
7926    }
7927}
7928