Settings.java revision 4045d24971fea4f1506ac8f16d4deeb76ac415fe
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 Category: Show application settings related to usage access.
193     * <p>
194     * An activity that provides a user interface for adjusting usage access related
195     * preferences for its containing application. Optional but recommended for apps that
196     * use {@link android.Manifest.permission#PACKAGE_USAGE_STATS}.
197     * <p>
198     * The activity may define meta-data to describe what usage access is
199     * used for within their app with {@link #METADATA_USAGE_ACCESS_REASON}, which
200     * will be displayed in Settings.
201     * <p>
202     * Input: Nothing.
203     * <p>
204     * Output: Nothing.
205     */
206    @SdkConstant(SdkConstantType.INTENT_CATEGORY)
207    public static final String INTENT_CATEGORY_USAGE_ACCESS_CONFIG =
208            "android.intent.category.USAGE_ACCESS_CONFIG";
209
210    /**
211     * Metadata key: Reason for needing usage access.
212     * <p>
213     * A key for metadata attached to an activity that receives action
214     * {@link #INTENT_CATEGORY_USAGE_ACCESS_CONFIG}, shown to the
215     * user as description of how the app uses usage access.
216     * <p>
217     */
218    public static final String METADATA_USAGE_ACCESS_REASON =
219            "android.settings.metadata.USAGE_ACCESS_REASON";
220
221    /**
222     * Activity Action: Show settings to allow configuration of security and
223     * location privacy.
224     * <p>
225     * In some cases, a matching Activity may not exist, so ensure you
226     * safeguard against this.
227     * <p>
228     * Input: Nothing.
229     * <p>
230     * Output: Nothing.
231     */
232    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
233    public static final String ACTION_SECURITY_SETTINGS =
234            "android.settings.SECURITY_SETTINGS";
235
236    /**
237     * Activity Action: Show trusted credentials settings, opening to the user tab,
238     * to allow management of installed credentials.
239     * <p>
240     * In some cases, a matching Activity may not exist, so ensure you
241     * safeguard against this.
242     * <p>
243     * Input: Nothing.
244     * <p>
245     * Output: Nothing.
246     * @hide
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_TRUSTED_CREDENTIALS_USER =
250            "com.android.settings.TRUSTED_CREDENTIALS_USER";
251
252    /**
253     * Activity Action: Show dialog explaining that an installed CA cert may enable
254     * monitoring of encrypted network traffic.
255     * <p>
256     * In some cases, a matching Activity may not exist, so ensure you
257     * safeguard against this.
258     * <p>
259     * Input: Nothing.
260     * <p>
261     * Output: Nothing.
262     * @hide
263     */
264    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
265    public static final String ACTION_MONITORING_CERT_INFO =
266            "com.android.settings.MONITORING_CERT_INFO";
267
268    /**
269     * Activity Action: Show settings to allow configuration of privacy options.
270     * <p>
271     * In some cases, a matching Activity may not exist, so ensure you
272     * safeguard 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_PRIVACY_SETTINGS =
280            "android.settings.PRIVACY_SETTINGS";
281
282    /**
283     * Activity Action: Show settings to allow configuration of Wi-Fi.
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     */
293    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
294    public static final String ACTION_WIFI_SETTINGS =
295            "android.settings.WIFI_SETTINGS";
296
297    /**
298     * Activity Action: Show settings to allow configuration of a static IP
299     * address for Wi-Fi.
300     * <p>
301     * In some cases, a matching Activity may not exist, so ensure you safeguard
302     * against this.
303     * <p>
304     * Input: Nothing.
305     * <p>
306     * Output: Nothing.
307     */
308    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
309    public static final String ACTION_WIFI_IP_SETTINGS =
310            "android.settings.WIFI_IP_SETTINGS";
311
312    /**
313     * Activity Action: Show settings to allow configuration of Bluetooth.
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_BLUETOOTH_SETTINGS =
324            "android.settings.BLUETOOTH_SETTINGS";
325
326    /**
327     * Activity Action: Show settings to allow configuration of cast endpoints.
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_CAST_SETTINGS =
338            "android.settings.CAST_SETTINGS";
339
340    /**
341     * Activity Action: Show settings to allow configuration of date and time.
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_DATE_SETTINGS =
352            "android.settings.DATE_SETTINGS";
353
354    /**
355     * Activity Action: Show settings to allow configuration of sound and volume.
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_SOUND_SETTINGS =
366            "android.settings.SOUND_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of display.
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_DISPLAY_SETTINGS =
380            "android.settings.DISPLAY_SETTINGS";
381
382    /**
383     * Activity Action: Show settings to allow configuration of locale.
384     * <p>
385     * In some cases, a matching Activity may not exist, so ensure you
386     * safeguard against this.
387     * <p>
388     * Input: Nothing.
389     * <p>
390     * Output: Nothing.
391     */
392    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
393    public static final String ACTION_LOCALE_SETTINGS =
394            "android.settings.LOCALE_SETTINGS";
395
396    /**
397     * Activity Action: Show settings to configure input methods, in particular
398     * allowing the user to enable input methods.
399     * <p>
400     * In some cases, a matching Activity may not exist, so ensure you
401     * safeguard against this.
402     * <p>
403     * Input: Nothing.
404     * <p>
405     * Output: Nothing.
406     */
407    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
408    public static final String ACTION_VOICE_INPUT_SETTINGS =
409            "android.settings.VOICE_INPUT_SETTINGS";
410
411    /**
412     * Activity Action: Show settings to configure input methods, in particular
413     * allowing the user to enable input methods.
414     * <p>
415     * In some cases, a matching Activity may not exist, so ensure you
416     * safeguard against this.
417     * <p>
418     * Input: Nothing.
419     * <p>
420     * Output: Nothing.
421     */
422    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
423    public static final String ACTION_INPUT_METHOD_SETTINGS =
424            "android.settings.INPUT_METHOD_SETTINGS";
425
426    /**
427     * Activity Action: Show settings to enable/disable input method subtypes.
428     * <p>
429     * In some cases, a matching Activity may not exist, so ensure you
430     * safeguard against this.
431     * <p>
432     * To tell which input method's subtypes are displayed in the settings, add
433     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
434     * If there is no extra in this Intent, subtypes from all installed input methods
435     * will be displayed in the settings.
436     *
437     * @see android.view.inputmethod.InputMethodInfo#getId
438     * <p>
439     * Input: Nothing.
440     * <p>
441     * Output: Nothing.
442     */
443    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
444    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
445            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
446
447    /**
448     * Activity Action: Show a dialog to select input method.
449     * <p>
450     * In some cases, a matching Activity may not exist, so ensure you
451     * safeguard against this.
452     * <p>
453     * Input: Nothing.
454     * <p>
455     * Output: Nothing.
456     * @hide
457     */
458    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
459    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
460            "android.settings.SHOW_INPUT_METHOD_PICKER";
461
462    /**
463     * Activity Action: Show settings to manage the user input dictionary.
464     * <p>
465     * Starting with {@link android.os.Build.VERSION_CODES#KITKAT},
466     * it is guaranteed there will always be an appropriate implementation for this Intent action.
467     * In prior releases of the platform this was optional, so ensure you safeguard against it.
468     * <p>
469     * Input: Nothing.
470     * <p>
471     * Output: Nothing.
472     */
473    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
474    public static final String ACTION_USER_DICTIONARY_SETTINGS =
475            "android.settings.USER_DICTIONARY_SETTINGS";
476
477    /**
478     * Activity Action: Adds a word to the user dictionary.
479     * <p>
480     * In some cases, a matching Activity may not exist, so ensure you
481     * safeguard against this.
482     * <p>
483     * Input: An extra with key <code>word</code> that contains the word
484     * that should be added to the dictionary.
485     * <p>
486     * Output: Nothing.
487     *
488     * @hide
489     */
490    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
491    public static final String ACTION_USER_DICTIONARY_INSERT =
492            "com.android.settings.USER_DICTIONARY_INSERT";
493
494    /**
495     * Activity Action: Show settings to allow configuration of application-related settings.
496     * <p>
497     * In some cases, a matching Activity may not exist, so ensure you
498     * safeguard against this.
499     * <p>
500     * Input: Nothing.
501     * <p>
502     * Output: Nothing.
503     */
504    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
505    public static final String ACTION_APPLICATION_SETTINGS =
506            "android.settings.APPLICATION_SETTINGS";
507
508    /**
509     * Activity Action: Show settings to allow configuration of application
510     * development-related settings.  As of
511     * {@link android.os.Build.VERSION_CODES#JELLY_BEAN_MR1} this action is
512     * a required part of the platform.
513     * <p>
514     * Input: Nothing.
515     * <p>
516     * Output: Nothing.
517     */
518    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
519    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
520            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
521
522    /**
523     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
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_QUICK_LAUNCH_SETTINGS =
534            "android.settings.QUICK_LAUNCH_SETTINGS";
535
536    /**
537     * Activity Action: Show settings to manage installed 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_APPLICATIONS_SETTINGS =
548            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
549
550    /**
551     * Activity Action: Show settings to manage all applications.
552     * <p>
553     * In some cases, a matching Activity may not exist, so ensure you
554     * safeguard against this.
555     * <p>
556     * Input: Nothing.
557     * <p>
558     * Output: Nothing.
559     */
560    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
561    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
562            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
563
564    /**
565     * Activity Action: Show screen of details about a particular application.
566     * <p>
567     * In some cases, a matching Activity may not exist, so ensure you
568     * safeguard against this.
569     * <p>
570     * Input: The Intent's data URI specifies the application package name
571     * to be shown, with the "package" scheme.  That is "package:com.my.app".
572     * <p>
573     * Output: Nothing.
574     */
575    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
576    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
577            "android.settings.APPLICATION_DETAILS_SETTINGS";
578
579    /**
580     * @hide
581     * Activity Action: Show the "app ops" settings screen.
582     * <p>
583     * Input: Nothing.
584     * <p>
585     * Output: Nothing.
586     */
587    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
588    public static final String ACTION_APP_OPS_SETTINGS =
589            "android.settings.APP_OPS_SETTINGS";
590
591    /**
592     * Activity Action: Show settings for system update functionality.
593     * <p>
594     * In some cases, a matching Activity may not exist, so ensure you
595     * safeguard against this.
596     * <p>
597     * Input: Nothing.
598     * <p>
599     * Output: Nothing.
600     *
601     * @hide
602     */
603    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
604    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
605            "android.settings.SYSTEM_UPDATE_SETTINGS";
606
607    /**
608     * Activity Action: Show settings to allow configuration of sync settings.
609     * <p>
610     * In some cases, a matching Activity may not exist, so ensure you
611     * safeguard against this.
612     * <p>
613     * The account types available to add via the add account button may be restricted by adding an
614     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
615     * authorities. Only account types which can sync with that content provider will be offered to
616     * the user.
617     * <p>
618     * Input: Nothing.
619     * <p>
620     * Output: Nothing.
621     */
622    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
623    public static final String ACTION_SYNC_SETTINGS =
624            "android.settings.SYNC_SETTINGS";
625
626    /**
627     * Activity Action: Show add account screen for creating a new account.
628     * <p>
629     * In some cases, a matching Activity may not exist, so ensure you
630     * safeguard against this.
631     * <p>
632     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
633     * extra to the Intent with one or more syncable content provider's authorities.  Only account
634     * types which can sync with that content provider will be offered to the user.
635     * <p>
636     * Account types can also be filtered by adding an {@link #EXTRA_ACCOUNT_TYPES} extra to the
637     * Intent with one or more account types.
638     * <p>
639     * Input: Nothing.
640     * <p>
641     * Output: Nothing.
642     */
643    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
644    public static final String ACTION_ADD_ACCOUNT =
645            "android.settings.ADD_ACCOUNT_SETTINGS";
646
647    /**
648     * Activity Action: Show settings for selecting the network operator.
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_NETWORK_OPERATOR_SETTINGS =
659            "android.settings.NETWORK_OPERATOR_SETTINGS";
660
661    /**
662     * Activity Action: Show settings for selection of 2G/3G.
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_DATA_ROAMING_SETTINGS =
673            "android.settings.DATA_ROAMING_SETTINGS";
674
675    /**
676     * Activity Action: Show settings for internal storage.
677     * <p>
678     * In some cases, a matching Activity may not exist, so ensure you
679     * safeguard against this.
680     * <p>
681     * Input: Nothing.
682     * <p>
683     * Output: Nothing.
684     */
685    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
686    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
687            "android.settings.INTERNAL_STORAGE_SETTINGS";
688    /**
689     * Activity Action: Show settings for memory card storage.
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_MEMORY_CARD_SETTINGS =
700            "android.settings.MEMORY_CARD_SETTINGS";
701
702    /**
703     * Activity Action: Show settings for global search.
704     * <p>
705     * In some cases, a matching Activity may not exist, so ensure you
706     * safeguard against this.
707     * <p>
708     * Input: Nothing.
709     * <p>
710     * Output: Nothing
711     */
712    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
713    public static final String ACTION_SEARCH_SETTINGS =
714        "android.search.action.SEARCH_SETTINGS";
715
716    /**
717     * Activity Action: Show general device information settings (serial
718     * number, software version, phone number, etc.).
719     * <p>
720     * In some cases, a matching Activity may not exist, so ensure you
721     * safeguard against this.
722     * <p>
723     * Input: Nothing.
724     * <p>
725     * Output: Nothing
726     */
727    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
728    public static final String ACTION_DEVICE_INFO_SETTINGS =
729        "android.settings.DEVICE_INFO_SETTINGS";
730
731    /**
732     * Activity Action: Show NFC settings.
733     * <p>
734     * This shows UI that allows NFC to be turned on or off.
735     * <p>
736     * In some cases, a matching Activity may not exist, so ensure you
737     * safeguard against this.
738     * <p>
739     * Input: Nothing.
740     * <p>
741     * Output: Nothing
742     * @see android.nfc.NfcAdapter#isEnabled()
743     */
744    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
745    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
746
747    /**
748     * Activity Action: Show NFC Sharing settings.
749     * <p>
750     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
751     * off.
752     * <p>
753     * In some cases, a matching Activity may not exist, so ensure you
754     * safeguard against this.
755     * <p>
756     * Input: Nothing.
757     * <p>
758     * Output: Nothing
759     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
760     */
761    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
762    public static final String ACTION_NFCSHARING_SETTINGS =
763        "android.settings.NFCSHARING_SETTINGS";
764
765    /**
766     * Activity Action: Show NFC Tap & Pay settings
767     * <p>
768     * This shows UI that allows the user to configure Tap&Pay
769     * 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     */
778    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
779    public static final String ACTION_NFC_PAYMENT_SETTINGS =
780        "android.settings.NFC_PAYMENT_SETTINGS";
781
782    /**
783     * Activity Action: Show Daydream 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.dreams.DreamService
792     */
793    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
794    public static final String ACTION_DREAM_SETTINGS = "android.settings.DREAM_SETTINGS";
795
796    /**
797     * Activity Action: Show Notification listener settings.
798     * <p>
799     * In some cases, a matching Activity may not exist, so ensure you
800     * safeguard against this.
801     * <p>
802     * Input: Nothing.
803     * <p>
804     * Output: Nothing.
805     * @see android.service.notification.NotificationListenerService
806     */
807    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
808    public static final String ACTION_NOTIFICATION_LISTENER_SETTINGS
809            = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS";
810
811    /**
812     * Activity Action: Show Do Not Disturb access settings.
813     * <p>
814     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
815     * <p>
816     * Input: Nothing.
817     * <p>
818     * Output: Nothing.
819     */
820    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
821    public static final String ACTION_ZEN_ACCESS_SETTINGS = "android.settings.ZEN_ACCESS_SETTINGS";
822
823    /**
824     * @hide
825     */
826    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
827    public static final String ACTION_CONDITION_PROVIDER_SETTINGS
828            = "android.settings.ACTION_CONDITION_PROVIDER_SETTINGS";
829
830    /**
831     * Activity Action: Show settings for video captioning.
832     * <p>
833     * In some cases, a matching Activity may not exist, so ensure you safeguard
834     * against this.
835     * <p>
836     * Input: Nothing.
837     * <p>
838     * Output: Nothing.
839     */
840    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
841    public static final String ACTION_CAPTIONING_SETTINGS = "android.settings.CAPTIONING_SETTINGS";
842
843    /**
844     * Activity Action: Show the top level print settings.
845     * <p>
846     * In some cases, a matching Activity may not exist, so ensure you
847     * safeguard against this.
848     * <p>
849     * Input: Nothing.
850     * <p>
851     * Output: Nothing.
852     */
853    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
854    public static final String ACTION_PRINT_SETTINGS =
855            "android.settings.ACTION_PRINT_SETTINGS";
856
857    /**
858     * Activity Action: Show Zen Mode configuration settings.
859     *
860     * @hide
861     */
862    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
863    public static final String ACTION_ZEN_MODE_SETTINGS = "android.settings.ZEN_MODE_SETTINGS";
864
865    /**
866     * Activity Action: Show Zen Mode priority configuration settings.
867     *
868     * @hide
869     */
870    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
871    public static final String ACTION_ZEN_MODE_PRIORITY_SETTINGS
872            = "android.settings.ZEN_MODE_PRIORITY_SETTINGS";
873
874    /**
875     * Activity Action: Show Zen Mode automation configuration settings.
876     *
877     * @hide
878     */
879    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
880    public static final String ACTION_ZEN_MODE_AUTOMATION_SETTINGS
881            = "android.settings.ZEN_MODE_AUTOMATION_SETTINGS";
882
883    /**
884     * Activity Action: Modify do not disturb mode settings.
885     * <p>
886     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
887     * <p>
888     * This intent MUST be started using
889     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
890     * startVoiceActivity}.
891     * <p>
892     * Note: The Activity implementing this intent MUST verify that
893     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction}.
894     * returns true before modifying the setting.
895     * <p>
896     * Input: The optional {@link #EXTRA_DO_NOT_DISTURB_MODE_MINUTES} extra can be used to indicate
897     * how long the user wishes to avoid interruptions for. The optional
898     * {@link #EXTRA_DO_NOT_DISTURB_MODE_ENABLED} extra can be to indicate if the user is
899     * enabling or disabling do not disturb mode. If either extra is not included, the
900     * user maybe asked to provide the value.
901     * <p>
902     * Output: Nothing.
903     */
904    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
905    public static final String ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE =
906            "android.settings.VOICE_CONTROL_DO_NOT_DISTURB_MODE";
907
908    /**
909     * Activity Action: Show Zen Mode schedule rule configuration settings.
910     *
911     * @hide
912     */
913    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
914    public static final String ACTION_ZEN_MODE_SCHEDULE_RULE_SETTINGS
915            = "android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS";
916
917    /**
918     * Activity Action: Show Zen Mode event rule configuration settings.
919     *
920     * @hide
921     */
922    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
923    public static final String ACTION_ZEN_MODE_EVENT_RULE_SETTINGS
924            = "android.settings.ZEN_MODE_EVENT_RULE_SETTINGS";
925
926    /**
927     * Activity Action: Show Zen Mode external rule configuration settings.
928     *
929     * @hide
930     */
931    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
932    public static final String ACTION_ZEN_MODE_EXTERNAL_RULE_SETTINGS
933            = "android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS";
934
935    /**
936     * Activity Action: Show the regulatory information screen for the device.
937     * <p>
938     * In some cases, a matching Activity may not exist, so ensure you safeguard
939     * against this.
940     * <p>
941     * Input: Nothing.
942     * <p>
943     * Output: Nothing.
944     */
945    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
946    public static final String
947            ACTION_SHOW_REGULATORY_INFO = "android.settings.SHOW_REGULATORY_INFO";
948
949    /**
950     * Activity Action: Show Device Name Settings.
951     * <p>
952     * In some cases, a matching Activity may not exist, so ensure you safeguard
953     * against this.
954     *
955     * @hide
956     */
957    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
958    public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
959
960    /**
961     * Activity Action: Show pairing settings.
962     * <p>
963     * In some cases, a matching Activity may not exist, so ensure you safeguard
964     * against this.
965     *
966     * @hide
967     */
968    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
969    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
970
971    /**
972     * Activity Action: Show battery saver settings.
973     * <p>
974     * In some cases, a matching Activity may not exist, so ensure you safeguard
975     * against this.
976     */
977    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
978    public static final String ACTION_BATTERY_SAVER_SETTINGS
979            = "android.settings.BATTERY_SAVER_SETTINGS";
980
981    /**
982     * Activity Action: Modify Battery Saver mode setting using a voice command.
983     * <p>
984     * In some cases, a matching Activity may not exist, so ensure you safeguard against this.
985     * <p>
986     * This intent MUST be started using
987     * {@link android.service.voice.VoiceInteractionSession#startVoiceActivity
988     * startVoiceActivity}.
989     * <p>
990     * Note: The activity implementing this intent MUST verify that
991     * {@link android.app.Activity#isVoiceInteraction isVoiceInteraction} returns true before
992     * modifying the setting.
993     * <p>
994     * Input: To tell which state batter saver mode should be set to, add the
995     * {@link #EXTRA_BATTERY_SAVER_MODE_ENABLED} extra to this Intent with the state specified.
996     * If the extra is not included, no changes will be made.
997     * <p>
998     * Output: Nothing.
999     */
1000    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1001    public static final String ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE =
1002            "android.settings.VOICE_CONTROL_BATTERY_SAVER_MODE";
1003
1004    /**
1005     * Activity Action: Show Home selection settings. If there are multiple activities
1006     * that can satisfy the {@link Intent#CATEGORY_HOME} intent, this screen allows you
1007     * to pick your preferred activity.
1008     */
1009    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1010    public static final String ACTION_HOME_SETTINGS
1011            = "android.settings.HOME_SETTINGS";
1012
1013    /**
1014     * Activity Action: Show notification settings.
1015     *
1016     * @hide
1017     */
1018    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1019    public static final String ACTION_NOTIFICATION_SETTINGS
1020            = "android.settings.NOTIFICATION_SETTINGS";
1021
1022    /**
1023     * Activity Action: Show notification settings for a single app.
1024     *
1025     * @hide
1026     */
1027    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1028    public static final String ACTION_APP_NOTIFICATION_SETTINGS
1029            = "android.settings.APP_NOTIFICATION_SETTINGS";
1030
1031    /**
1032     * Activity Action: Show notification redaction settings.
1033     *
1034     * @hide
1035     */
1036    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
1037    public static final String ACTION_APP_NOTIFICATION_REDACTION
1038            = "android.settings.ACTION_APP_NOTIFICATION_REDACTION";
1039
1040    /** @hide */ public static final String EXTRA_APP_UID = "app_uid";
1041    /** @hide */ public static final String EXTRA_APP_PACKAGE = "app_package";
1042
1043    // End of Intent actions for Settings
1044
1045    /**
1046     * @hide - Private call() method on SettingsProvider to read from 'system' table.
1047     */
1048    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
1049
1050    /**
1051     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
1052     */
1053    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
1054
1055    /**
1056     * @hide - Private call() method on SettingsProvider to read from 'global' table.
1057     */
1058    public static final String CALL_METHOD_GET_GLOBAL = "GET_global";
1059
1060    /**
1061     * @hide - User handle argument extra to the fast-path call()-based requests
1062     */
1063    public static final String CALL_METHOD_USER_KEY = "_user";
1064
1065    /** @hide - Private call() method to write to 'system' table */
1066    public static final String CALL_METHOD_PUT_SYSTEM = "PUT_system";
1067
1068    /** @hide - Private call() method to write to 'secure' table */
1069    public static final String CALL_METHOD_PUT_SECURE = "PUT_secure";
1070
1071    /** @hide - Private call() method to write to 'global' table */
1072    public static final String CALL_METHOD_PUT_GLOBAL= "PUT_global";
1073
1074    /**
1075     * Activity Extra: Limit available options in launched activity based on the given authority.
1076     * <p>
1077     * This can be passed as an extra field in an Activity Intent with one or more syncable content
1078     * provider's authorities as a String[]. This field is used by some intents to alter the
1079     * behavior of the called activity.
1080     * <p>
1081     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
1082     * on the authority given.
1083     */
1084    public static final String EXTRA_AUTHORITIES = "authorities";
1085
1086    /**
1087     * Activity Extra: Limit available options in launched activity based on the given account
1088     * types.
1089     * <p>
1090     * This can be passed as an extra field in an Activity Intent with one or more account types
1091     * as a String[]. This field is used by some intents to alter the behavior of the called
1092     * activity.
1093     * <p>
1094     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types to the specified
1095     * list.
1096     */
1097    public static final String EXTRA_ACCOUNT_TYPES = "account_types";
1098
1099    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
1100
1101    /**
1102     * Activity Extra: The device identifier to act upon.
1103     * <p>
1104     * This can be passed as an extra field in an Activity Intent with a single
1105     * InputDeviceIdentifier. This field is used by some activities to jump straight into the
1106     * settings for the given device.
1107     * <p>
1108     * Example: The {@link #ACTION_INPUT_METHOD_SETTINGS} intent opens the keyboard layout
1109     * dialog for the given device.
1110     * @hide
1111     */
1112    public static final String EXTRA_INPUT_DEVICE_IDENTIFIER = "input_device_identifier";
1113
1114    /**
1115     * Activity Extra: Enable or disable Airplane Mode.
1116     * <p>
1117     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_AIRPLANE_MODE}
1118     * intent as a boolean to indicate if it should be enabled.
1119     */
1120    public static final String EXTRA_AIRPLANE_MODE_ENABLED = "airplane_mode_enabled";
1121
1122    /**
1123     * Activity Extra: Enable or disable Battery saver mode.
1124     * <p>
1125     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_BATTERY_SAVER_MODE}
1126     * intent as a boolean to indicate if it should be enabled.
1127     */
1128    public static final String EXTRA_BATTERY_SAVER_MODE_ENABLED =
1129            "android.settings.extra.battery_saver_mode_enabled";
1130
1131    /**
1132     * Activity Extra: Enable or disable Do Not Disturb mode.
1133     * <p>
1134     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1135     * intent as a boolean to indicate if it should be enabled.
1136     */
1137    public static final String EXTRA_DO_NOT_DISTURB_MODE_ENABLED =
1138            "android.settings.extra.do_not_disturb_mode_enabled";
1139
1140    /**
1141     * Activity Extra: How many minutes to enable do not disturb mode for.
1142     * <p>
1143     * This can be passed as an extra field to the {@link #ACTION_VOICE_CONTROL_DO_NOT_DISTURB_MODE}
1144     * intent to indicate how long do not disturb mode should be enabled for.
1145     */
1146    public static final String EXTRA_DO_NOT_DISTURB_MODE_MINUTES =
1147            "android.settings.extra.do_not_disturb_mode_minutes";
1148
1149    private static final String JID_RESOURCE_PREFIX = "android";
1150
1151    public static final String AUTHORITY = "settings";
1152
1153    private static final String TAG = "Settings";
1154    private static final boolean LOCAL_LOGV = false;
1155
1156    // Lock ensures that when enabling/disabling the master location switch, we don't end up
1157    // with a partial enable/disable state in multi-threaded situations.
1158    private static final Object mLocationSettingsLock = new Object();
1159
1160    public static class SettingNotFoundException extends AndroidException {
1161        public SettingNotFoundException(String msg) {
1162            super(msg);
1163        }
1164    }
1165
1166    /**
1167     * Common base for tables of name/value settings.
1168     */
1169    public static class NameValueTable implements BaseColumns {
1170        public static final String NAME = "name";
1171        public static final String VALUE = "value";
1172
1173        protected static boolean putString(ContentResolver resolver, Uri uri,
1174                String name, String value) {
1175            // The database will take care of replacing duplicates.
1176            try {
1177                ContentValues values = new ContentValues();
1178                values.put(NAME, name);
1179                values.put(VALUE, value);
1180                resolver.insert(uri, values);
1181                return true;
1182            } catch (SQLException e) {
1183                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
1184                return false;
1185            }
1186        }
1187
1188        public static Uri getUriFor(Uri uri, String name) {
1189            return Uri.withAppendedPath(uri, name);
1190        }
1191    }
1192
1193    // Thread-safe.
1194    private static class NameValueCache {
1195        private final String mVersionSystemProperty;
1196        private final Uri mUri;
1197
1198        private static final String[] SELECT_VALUE =
1199            new String[] { Settings.NameValueTable.VALUE };
1200        private static final String NAME_EQ_PLACEHOLDER = "name=?";
1201
1202        // Must synchronize on 'this' to access mValues and mValuesVersion.
1203        private final HashMap<String, String> mValues = new HashMap<String, String>();
1204        private long mValuesVersion = 0;
1205
1206        // Initially null; set lazily and held forever.  Synchronized on 'this'.
1207        private IContentProvider mContentProvider = null;
1208
1209        // The method we'll call (or null, to not use) on the provider
1210        // for the fast path of retrieving settings.
1211        private final String mCallGetCommand;
1212        private final String mCallSetCommand;
1213
1214        public NameValueCache(String versionSystemProperty, Uri uri,
1215                String getCommand, String setCommand) {
1216            mVersionSystemProperty = versionSystemProperty;
1217            mUri = uri;
1218            mCallGetCommand = getCommand;
1219            mCallSetCommand = setCommand;
1220        }
1221
1222        private IContentProvider lazyGetProvider(ContentResolver cr) {
1223            IContentProvider cp = null;
1224            synchronized (this) {
1225                cp = mContentProvider;
1226                if (cp == null) {
1227                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
1228                }
1229            }
1230            return cp;
1231        }
1232
1233        public boolean putStringForUser(ContentResolver cr, String name, String value,
1234                final int userHandle) {
1235            try {
1236                Bundle arg = new Bundle();
1237                arg.putString(Settings.NameValueTable.VALUE, value);
1238                arg.putInt(CALL_METHOD_USER_KEY, userHandle);
1239                IContentProvider cp = lazyGetProvider(cr);
1240                cp.call(cr.getPackageName(), mCallSetCommand, name, arg);
1241            } catch (RemoteException e) {
1242                Log.w(TAG, "Can't set key " + name + " in " + mUri, e);
1243                return false;
1244            }
1245            return true;
1246        }
1247
1248        public String getStringForUser(ContentResolver cr, String name, final int userHandle) {
1249            final boolean isSelf = (userHandle == UserHandle.myUserId());
1250            if (isSelf) {
1251                long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
1252
1253                // Our own user's settings data uses a client-side cache
1254                synchronized (this) {
1255                    if (mValuesVersion != newValuesVersion) {
1256                        if (LOCAL_LOGV || false) {
1257                            Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current "
1258                                    + newValuesVersion + " != cached " + mValuesVersion);
1259                        }
1260
1261                        mValues.clear();
1262                        mValuesVersion = newValuesVersion;
1263                    }
1264
1265                    if (mValues.containsKey(name)) {
1266                        return mValues.get(name);  // Could be null, that's OK -- negative caching
1267                    }
1268                }
1269            } else {
1270                if (LOCAL_LOGV) Log.v(TAG, "get setting for user " + userHandle
1271                        + " by user " + UserHandle.myUserId() + " so skipping cache");
1272            }
1273
1274            IContentProvider cp = lazyGetProvider(cr);
1275
1276            // Try the fast path first, not using query().  If this
1277            // fails (alternate Settings provider that doesn't support
1278            // this interface?) then we fall back to the query/table
1279            // interface.
1280            if (mCallGetCommand != null) {
1281                try {
1282                    Bundle args = null;
1283                    if (!isSelf) {
1284                        args = new Bundle();
1285                        args.putInt(CALL_METHOD_USER_KEY, userHandle);
1286                    }
1287                    Bundle b = cp.call(cr.getPackageName(), mCallGetCommand, name, args);
1288                    if (b != null) {
1289                        String value = b.getPairValue();
1290                        // Don't update our cache for reads of other users' data
1291                        if (isSelf) {
1292                            synchronized (this) {
1293                                mValues.put(name, value);
1294                            }
1295                        } else {
1296                            if (LOCAL_LOGV) Log.i(TAG, "call-query of user " + userHandle
1297                                    + " by " + UserHandle.myUserId()
1298                                    + " so not updating cache");
1299                        }
1300                        return value;
1301                    }
1302                    // If the response Bundle is null, we fall through
1303                    // to the query interface below.
1304                } catch (RemoteException e) {
1305                    // Not supported by the remote side?  Fall through
1306                    // to query().
1307                }
1308            }
1309
1310            Cursor c = null;
1311            try {
1312                c = cp.query(cr.getPackageName(), mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
1313                             new String[]{name}, null, null);
1314                if (c == null) {
1315                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
1316                    return null;
1317                }
1318
1319                String value = c.moveToNext() ? c.getString(0) : null;
1320                synchronized (this) {
1321                    mValues.put(name, value);
1322                }
1323                if (LOCAL_LOGV) {
1324                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
1325                            name + " = " + (value == null ? "(null)" : value));
1326                }
1327                return value;
1328            } catch (RemoteException e) {
1329                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
1330                return null;  // Return null, but don't cache it.
1331            } finally {
1332                if (c != null) c.close();
1333            }
1334        }
1335    }
1336
1337    /**
1338     * System settings, containing miscellaneous system preferences.  This
1339     * table holds simple name/value pairs.  There are convenience
1340     * functions for accessing individual settings entries.
1341     */
1342    public static final class System extends NameValueTable {
1343        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
1344
1345        /** @hide */
1346        public static interface Validator {
1347            public boolean validate(String value);
1348        }
1349
1350        /**
1351         * The content:// style URL for this table
1352         */
1353        public static final Uri CONTENT_URI =
1354            Uri.parse("content://" + AUTHORITY + "/system");
1355
1356        private static final NameValueCache sNameValueCache = new NameValueCache(
1357                SYS_PROP_SETTING_VERSION,
1358                CONTENT_URI,
1359                CALL_METHOD_GET_SYSTEM,
1360                CALL_METHOD_PUT_SYSTEM);
1361
1362        private static final HashSet<String> MOVED_TO_SECURE;
1363        static {
1364            MOVED_TO_SECURE = new HashSet<String>(30);
1365            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
1366            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
1367            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
1368            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
1369            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
1370            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
1371            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
1372            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
1373            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
1374            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
1375            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
1376            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
1377            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
1378            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
1379            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
1380            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
1381            MOVED_TO_SECURE.add(Secure.WIFI_ON);
1382            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
1383            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
1384            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
1385            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
1386            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
1387            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
1388            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
1389            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
1390            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
1391            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
1392            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
1393
1394            // At one time in System, then Global, but now back in Secure
1395            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
1396        }
1397
1398        private static final HashSet<String> MOVED_TO_GLOBAL;
1399        private static final HashSet<String> MOVED_TO_SECURE_THEN_GLOBAL;
1400        static {
1401            MOVED_TO_GLOBAL = new HashSet<String>();
1402            MOVED_TO_SECURE_THEN_GLOBAL = new HashSet<String>();
1403
1404            // these were originally in system but migrated to secure in the past,
1405            // so are duplicated in the Secure.* namespace
1406            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.ADB_ENABLED);
1407            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.BLUETOOTH_ON);
1408            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DATA_ROAMING);
1409            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.DEVICE_PROVISIONED);
1410            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.USB_MASS_STORAGE_ENABLED);
1411            MOVED_TO_SECURE_THEN_GLOBAL.add(Global.HTTP_PROXY);
1412
1413            // these are moving directly from system to global
1414            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_ON);
1415            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_RADIOS);
1416            MOVED_TO_GLOBAL.add(Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
1417            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME);
1418            MOVED_TO_GLOBAL.add(Settings.Global.AUTO_TIME_ZONE);
1419            MOVED_TO_GLOBAL.add(Settings.Global.CAR_DOCK_SOUND);
1420            MOVED_TO_GLOBAL.add(Settings.Global.CAR_UNDOCK_SOUND);
1421            MOVED_TO_GLOBAL.add(Settings.Global.DESK_DOCK_SOUND);
1422            MOVED_TO_GLOBAL.add(Settings.Global.DESK_UNDOCK_SOUND);
1423            MOVED_TO_GLOBAL.add(Settings.Global.DOCK_SOUNDS_ENABLED);
1424            MOVED_TO_GLOBAL.add(Settings.Global.LOCK_SOUND);
1425            MOVED_TO_GLOBAL.add(Settings.Global.UNLOCK_SOUND);
1426            MOVED_TO_GLOBAL.add(Settings.Global.LOW_BATTERY_SOUND);
1427            MOVED_TO_GLOBAL.add(Settings.Global.POWER_SOUNDS_ENABLED);
1428            MOVED_TO_GLOBAL.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN);
1429            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SLEEP_POLICY);
1430            MOVED_TO_GLOBAL.add(Settings.Global.MODE_RINGER);
1431            MOVED_TO_GLOBAL.add(Settings.Global.WINDOW_ANIMATION_SCALE);
1432            MOVED_TO_GLOBAL.add(Settings.Global.TRANSITION_ANIMATION_SCALE);
1433            MOVED_TO_GLOBAL.add(Settings.Global.ANIMATOR_DURATION_SCALE);
1434            MOVED_TO_GLOBAL.add(Settings.Global.FANCY_IME_ANIMATIONS);
1435            MOVED_TO_GLOBAL.add(Settings.Global.COMPATIBILITY_MODE);
1436            MOVED_TO_GLOBAL.add(Settings.Global.EMERGENCY_TONE);
1437            MOVED_TO_GLOBAL.add(Settings.Global.CALL_AUTO_RETRY);
1438            MOVED_TO_GLOBAL.add(Settings.Global.DEBUG_APP);
1439            MOVED_TO_GLOBAL.add(Settings.Global.WAIT_FOR_DEBUGGER);
1440            MOVED_TO_GLOBAL.add(Settings.Global.SHOW_PROCESSES);
1441            MOVED_TO_GLOBAL.add(Settings.Global.ALWAYS_FINISH_ACTIVITIES);
1442            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_CONTENT_URL);
1443            MOVED_TO_GLOBAL.add(Settings.Global.TZINFO_UPDATE_METADATA_URL);
1444            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_CONTENT_URL);
1445            MOVED_TO_GLOBAL.add(Settings.Global.SELINUX_UPDATE_METADATA_URL);
1446            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL);
1447            MOVED_TO_GLOBAL.add(Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL);
1448            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_CONTENT_URL);
1449            MOVED_TO_GLOBAL.add(Settings.Global.CERT_PIN_UPDATE_METADATA_URL);
1450        }
1451
1452        private static final Validator sBooleanValidator =
1453                new DiscreteValueValidator(new String[] {"0", "1"});
1454
1455        private static final Validator sNonNegativeIntegerValidator = new Validator() {
1456            @Override
1457            public boolean validate(String value) {
1458                try {
1459                    return Integer.parseInt(value) >= 0;
1460                } catch (NumberFormatException e) {
1461                    return false;
1462                }
1463            }
1464        };
1465
1466        private static final Validator sUriValidator = new Validator() {
1467            @Override
1468            public boolean validate(String value) {
1469                try {
1470                    Uri.decode(value);
1471                    return true;
1472                } catch (IllegalArgumentException e) {
1473                    return false;
1474                }
1475            }
1476        };
1477
1478        private static final Validator sLenientIpAddressValidator = new Validator() {
1479            private static final int MAX_IPV6_LENGTH = 45;
1480
1481            @Override
1482            public boolean validate(String value) {
1483                return value.length() <= MAX_IPV6_LENGTH;
1484            }
1485        };
1486
1487        /** @hide */
1488        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
1489            outKeySet.addAll(MOVED_TO_GLOBAL);
1490            outKeySet.addAll(MOVED_TO_SECURE_THEN_GLOBAL);
1491        }
1492
1493        /** @hide */
1494        public static void getMovedToSecureSettings(Set<String> outKeySet) {
1495            outKeySet.addAll(MOVED_TO_SECURE);
1496        }
1497
1498        /** @hide */
1499        public static void getNonLegacyMovedKeys(HashSet<String> outKeySet) {
1500            outKeySet.addAll(MOVED_TO_GLOBAL);
1501        }
1502
1503        /**
1504         * Look up a name in the database.
1505         * @param resolver to access the database with
1506         * @param name to look up in the table
1507         * @return the corresponding value, or null if not present
1508         */
1509        public static String getString(ContentResolver resolver, String name) {
1510            return getStringForUser(resolver, name, UserHandle.myUserId());
1511        }
1512
1513        /** @hide */
1514        public static String getStringForUser(ContentResolver resolver, String name,
1515                int userHandle) {
1516            if (MOVED_TO_SECURE.contains(name)) {
1517                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1518                        + " to android.provider.Settings.Secure, returning read-only value.");
1519                return Secure.getStringForUser(resolver, name, userHandle);
1520            }
1521            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1522                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1523                        + " to android.provider.Settings.Global, returning read-only value.");
1524                return Global.getStringForUser(resolver, name, userHandle);
1525            }
1526            return sNameValueCache.getStringForUser(resolver, name, userHandle);
1527        }
1528
1529        /**
1530         * Store a name/value pair into the database.
1531         * @param resolver to access the database with
1532         * @param name to store
1533         * @param value to associate with the name
1534         * @return true if the value was set, false on database errors
1535         */
1536        public static boolean putString(ContentResolver resolver, String name, String value) {
1537            return putStringForUser(resolver, name, value, UserHandle.myUserId());
1538        }
1539
1540        /** @hide */
1541        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
1542                int userHandle) {
1543            if (MOVED_TO_SECURE.contains(name)) {
1544                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1545                        + " to android.provider.Settings.Secure, value is unchanged.");
1546                return false;
1547            }
1548            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1549                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1550                        + " to android.provider.Settings.Global, value is unchanged.");
1551                return false;
1552            }
1553            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
1554        }
1555
1556        /**
1557         * Construct the content URI for a particular name/value pair,
1558         * useful for monitoring changes with a ContentObserver.
1559         * @param name to look up in the table
1560         * @return the corresponding content URI, or null if not present
1561         */
1562        public static Uri getUriFor(String name) {
1563            if (MOVED_TO_SECURE.contains(name)) {
1564                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1565                    + " to android.provider.Settings.Secure, returning Secure URI.");
1566                return Secure.getUriFor(Secure.CONTENT_URI, name);
1567            }
1568            if (MOVED_TO_GLOBAL.contains(name) || MOVED_TO_SECURE_THEN_GLOBAL.contains(name)) {
1569                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
1570                        + " to android.provider.Settings.Global, returning read-only global URI.");
1571                return Global.getUriFor(Global.CONTENT_URI, name);
1572            }
1573            return getUriFor(CONTENT_URI, name);
1574        }
1575
1576        /**
1577         * Convenience function for retrieving a single system settings value
1578         * as an integer.  Note that internally setting values are always
1579         * stored as strings; this function converts the string to an integer
1580         * for you.  The default value will be returned if the setting is
1581         * not defined or not an integer.
1582         *
1583         * @param cr The ContentResolver to access.
1584         * @param name The name of the setting to retrieve.
1585         * @param def Value to return if the setting is not defined.
1586         *
1587         * @return The setting's current value, or 'def' if it is not defined
1588         * or not a valid integer.
1589         */
1590        public static int getInt(ContentResolver cr, String name, int def) {
1591            return getIntForUser(cr, name, def, UserHandle.myUserId());
1592        }
1593
1594        /** @hide */
1595        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
1596            String v = getStringForUser(cr, name, userHandle);
1597            try {
1598                return v != null ? Integer.parseInt(v) : def;
1599            } catch (NumberFormatException e) {
1600                return def;
1601            }
1602        }
1603
1604        /**
1605         * Convenience function for retrieving a single system settings value
1606         * as an integer.  Note that internally setting values are always
1607         * stored as strings; this function converts the string to an integer
1608         * for you.
1609         * <p>
1610         * This version does not take a default value.  If the setting has not
1611         * been set, or the string value is not a number,
1612         * it throws {@link SettingNotFoundException}.
1613         *
1614         * @param cr The ContentResolver to access.
1615         * @param name The name of the setting to retrieve.
1616         *
1617         * @throws SettingNotFoundException Thrown if a setting by the given
1618         * name can't be found or the setting value is not an integer.
1619         *
1620         * @return The setting's current value.
1621         */
1622        public static int getInt(ContentResolver cr, String name)
1623                throws SettingNotFoundException {
1624            return getIntForUser(cr, name, UserHandle.myUserId());
1625        }
1626
1627        /** @hide */
1628        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
1629                throws SettingNotFoundException {
1630            String v = getStringForUser(cr, name, userHandle);
1631            try {
1632                return Integer.parseInt(v);
1633            } catch (NumberFormatException e) {
1634                throw new SettingNotFoundException(name);
1635            }
1636        }
1637
1638        /**
1639         * Convenience function for updating a single settings value as an
1640         * integer. This will either create a new entry in the table if the
1641         * given name does not exist, or modify the value of the existing row
1642         * with that name.  Note that internally setting values are always
1643         * stored as strings, so this function converts the given value to a
1644         * string before storing it.
1645         *
1646         * @param cr The ContentResolver to access.
1647         * @param name The name of the setting to modify.
1648         * @param value The new value for the setting.
1649         * @return true if the value was set, false on database errors
1650         */
1651        public static boolean putInt(ContentResolver cr, String name, int value) {
1652            return putIntForUser(cr, name, value, UserHandle.myUserId());
1653        }
1654
1655        /** @hide */
1656        public static boolean putIntForUser(ContentResolver cr, String name, int value,
1657                int userHandle) {
1658            return putStringForUser(cr, name, Integer.toString(value), userHandle);
1659        }
1660
1661        /**
1662         * Convenience function for retrieving a single system settings value
1663         * as a {@code long}.  Note that internally setting values are always
1664         * stored as strings; this function converts the string to a {@code long}
1665         * for you.  The default value will be returned if the setting is
1666         * not defined or not a {@code long}.
1667         *
1668         * @param cr The ContentResolver to access.
1669         * @param name The name of the setting to retrieve.
1670         * @param def Value to return if the setting is not defined.
1671         *
1672         * @return The setting's current value, or 'def' if it is not defined
1673         * or not a valid {@code long}.
1674         */
1675        public static long getLong(ContentResolver cr, String name, long def) {
1676            return getLongForUser(cr, name, def, UserHandle.myUserId());
1677        }
1678
1679        /** @hide */
1680        public static long getLongForUser(ContentResolver cr, String name, long def,
1681                int userHandle) {
1682            String valString = getStringForUser(cr, name, userHandle);
1683            long value;
1684            try {
1685                value = valString != null ? Long.parseLong(valString) : def;
1686            } catch (NumberFormatException e) {
1687                value = def;
1688            }
1689            return value;
1690        }
1691
1692        /**
1693         * Convenience function for retrieving a single system settings value
1694         * as a {@code long}.  Note that internally setting values are always
1695         * stored as strings; this function converts the string to a {@code long}
1696         * for you.
1697         * <p>
1698         * This version does not take a default value.  If the setting has not
1699         * been set, or the string value is not a number,
1700         * it throws {@link SettingNotFoundException}.
1701         *
1702         * @param cr The ContentResolver to access.
1703         * @param name The name of the setting to retrieve.
1704         *
1705         * @return The setting's current value.
1706         * @throws SettingNotFoundException Thrown if a setting by the given
1707         * name can't be found or the setting value is not an integer.
1708         */
1709        public static long getLong(ContentResolver cr, String name)
1710                throws SettingNotFoundException {
1711            return getLongForUser(cr, name, UserHandle.myUserId());
1712        }
1713
1714        /** @hide */
1715        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
1716                throws SettingNotFoundException {
1717            String valString = getStringForUser(cr, name, userHandle);
1718            try {
1719                return Long.parseLong(valString);
1720            } catch (NumberFormatException e) {
1721                throw new SettingNotFoundException(name);
1722            }
1723        }
1724
1725        /**
1726         * Convenience function for updating a single settings value as a long
1727         * integer. This will either create a new entry in the table if the
1728         * given name does not exist, or modify the value of the existing row
1729         * with that name.  Note that internally setting values are always
1730         * stored as strings, so this function converts the given value to a
1731         * string before storing it.
1732         *
1733         * @param cr The ContentResolver to access.
1734         * @param name The name of the setting to modify.
1735         * @param value The new value for the setting.
1736         * @return true if the value was set, false on database errors
1737         */
1738        public static boolean putLong(ContentResolver cr, String name, long value) {
1739            return putLongForUser(cr, name, value, UserHandle.myUserId());
1740        }
1741
1742        /** @hide */
1743        public static boolean putLongForUser(ContentResolver cr, String name, long value,
1744                int userHandle) {
1745            return putStringForUser(cr, name, Long.toString(value), userHandle);
1746        }
1747
1748        /**
1749         * Convenience function for retrieving a single system settings value
1750         * as a floating point number.  Note that internally setting values are
1751         * always stored as strings; this function converts the string to an
1752         * float for you. The default value will be returned if the setting
1753         * is not defined or not a valid float.
1754         *
1755         * @param cr The ContentResolver to access.
1756         * @param name The name of the setting to retrieve.
1757         * @param def Value to return if the setting is not defined.
1758         *
1759         * @return The setting's current value, or 'def' if it is not defined
1760         * or not a valid float.
1761         */
1762        public static float getFloat(ContentResolver cr, String name, float def) {
1763            return getFloatForUser(cr, name, def, UserHandle.myUserId());
1764        }
1765
1766        /** @hide */
1767        public static float getFloatForUser(ContentResolver cr, String name, float def,
1768                int userHandle) {
1769            String v = getStringForUser(cr, name, userHandle);
1770            try {
1771                return v != null ? Float.parseFloat(v) : def;
1772            } catch (NumberFormatException e) {
1773                return def;
1774            }
1775        }
1776
1777        /**
1778         * Convenience function for retrieving a single system settings value
1779         * as a float.  Note that internally setting values are always
1780         * stored as strings; this function converts the string to a float
1781         * for you.
1782         * <p>
1783         * This version does not take a default value.  If the setting has not
1784         * been set, or the string value is not a number,
1785         * it throws {@link SettingNotFoundException}.
1786         *
1787         * @param cr The ContentResolver to access.
1788         * @param name The name of the setting to retrieve.
1789         *
1790         * @throws SettingNotFoundException Thrown if a setting by the given
1791         * name can't be found or the setting value is not a float.
1792         *
1793         * @return The setting's current value.
1794         */
1795        public static float getFloat(ContentResolver cr, String name)
1796                throws SettingNotFoundException {
1797            return getFloatForUser(cr, name, UserHandle.myUserId());
1798        }
1799
1800        /** @hide */
1801        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
1802                throws SettingNotFoundException {
1803            String v = getStringForUser(cr, name, userHandle);
1804            if (v == null) {
1805                throw new SettingNotFoundException(name);
1806            }
1807            try {
1808                return Float.parseFloat(v);
1809            } catch (NumberFormatException e) {
1810                throw new SettingNotFoundException(name);
1811            }
1812        }
1813
1814        /**
1815         * Convenience function for updating a single settings value as a
1816         * floating point number. This will either create a new entry in the
1817         * table if the given name does not exist, or modify the value of the
1818         * existing row with that name.  Note that internally setting values
1819         * are always stored as strings, so this function converts the given
1820         * value to a string before storing it.
1821         *
1822         * @param cr The ContentResolver to access.
1823         * @param name The name of the setting to modify.
1824         * @param value The new value for the setting.
1825         * @return true if the value was set, false on database errors
1826         */
1827        public static boolean putFloat(ContentResolver cr, String name, float value) {
1828            return putFloatForUser(cr, name, value, UserHandle.myUserId());
1829        }
1830
1831        /** @hide */
1832        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
1833                int userHandle) {
1834            return putStringForUser(cr, name, Float.toString(value), userHandle);
1835        }
1836
1837        /**
1838         * Convenience function to read all of the current
1839         * configuration-related settings into a
1840         * {@link Configuration} object.
1841         *
1842         * @param cr The ContentResolver to access.
1843         * @param outConfig Where to place the configuration settings.
1844         */
1845        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1846            getConfigurationForUser(cr, outConfig, UserHandle.myUserId());
1847        }
1848
1849        /** @hide */
1850        public static void getConfigurationForUser(ContentResolver cr, Configuration outConfig,
1851                int userHandle) {
1852            outConfig.fontScale = Settings.System.getFloatForUser(
1853                cr, FONT_SCALE, outConfig.fontScale, userHandle);
1854            if (outConfig.fontScale < 0) {
1855                outConfig.fontScale = 1;
1856            }
1857        }
1858
1859        /**
1860         * @hide Erase the fields in the Configuration that should be applied
1861         * by the settings.
1862         */
1863        public static void clearConfiguration(Configuration inoutConfig) {
1864            inoutConfig.fontScale = 0;
1865        }
1866
1867        /**
1868         * Convenience function to write a batch of configuration-related
1869         * settings from a {@link Configuration} object.
1870         *
1871         * @param cr The ContentResolver to access.
1872         * @param config The settings to write.
1873         * @return true if the values were set, false on database errors
1874         */
1875        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1876            return putConfigurationForUser(cr, config, UserHandle.myUserId());
1877        }
1878
1879        /** @hide */
1880        public static boolean putConfigurationForUser(ContentResolver cr, Configuration config,
1881                int userHandle) {
1882            return Settings.System.putFloatForUser(cr, FONT_SCALE, config.fontScale, userHandle);
1883        }
1884
1885        /** @hide */
1886        public static boolean hasInterestingConfigurationChanges(int changes) {
1887            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1888        }
1889
1890        /** @deprecated - Do not use */
1891        @Deprecated
1892        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1893            return getShowGTalkServiceStatusForUser(cr, UserHandle.myUserId());
1894        }
1895
1896        /**
1897         * @hide
1898         * @deprecated - Do not use
1899         */
1900        public static boolean getShowGTalkServiceStatusForUser(ContentResolver cr,
1901                int userHandle) {
1902            return getIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, 0, userHandle) != 0;
1903        }
1904
1905        /** @deprecated - Do not use */
1906        @Deprecated
1907        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1908            setShowGTalkServiceStatusForUser(cr, flag, UserHandle.myUserId());
1909        }
1910
1911        /**
1912         * @hide
1913         * @deprecated - Do not use
1914         */
1915        @Deprecated
1916        public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean flag,
1917                int userHandle) {
1918            putIntForUser(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0, userHandle);
1919        }
1920
1921        private static final class DiscreteValueValidator implements Validator {
1922            private final String[] mValues;
1923
1924            public DiscreteValueValidator(String[] values) {
1925                mValues = values;
1926            }
1927
1928            @Override
1929            public boolean validate(String value) {
1930                return ArrayUtils.contains(mValues, value);
1931            }
1932        }
1933
1934        private static final class InclusiveIntegerRangeValidator implements Validator {
1935            private final int mMin;
1936            private final int mMax;
1937
1938            public InclusiveIntegerRangeValidator(int min, int max) {
1939                mMin = min;
1940                mMax = max;
1941            }
1942
1943            @Override
1944            public boolean validate(String value) {
1945                try {
1946                    final int intValue = Integer.parseInt(value);
1947                    return intValue >= mMin && intValue <= mMax;
1948                } catch (NumberFormatException e) {
1949                    return false;
1950                }
1951            }
1952        }
1953
1954        private static final class InclusiveFloatRangeValidator implements Validator {
1955            private final float mMin;
1956            private final float mMax;
1957
1958            public InclusiveFloatRangeValidator(float min, float max) {
1959                mMin = min;
1960                mMax = max;
1961            }
1962
1963            @Override
1964            public boolean validate(String value) {
1965                try {
1966                    final float floatValue = Float.parseFloat(value);
1967                    return floatValue >= mMin && floatValue <= mMax;
1968                } catch (NumberFormatException e) {
1969                    return false;
1970                }
1971            }
1972        }
1973
1974        /**
1975         * @deprecated Use {@link android.provider.Settings.Global#STAY_ON_WHILE_PLUGGED_IN} instead
1976         */
1977        @Deprecated
1978        public static final String STAY_ON_WHILE_PLUGGED_IN = Global.STAY_ON_WHILE_PLUGGED_IN;
1979
1980        /**
1981         * What happens when the user presses the end call button if they're not
1982         * on a call.<br/>
1983         * <b>Values:</b><br/>
1984         * 0 - The end button does nothing.<br/>
1985         * 1 - The end button goes to the home screen.<br/>
1986         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1987         * 3 - The end button goes to the home screen.  If the user is already on the
1988         * home screen, it puts the device to sleep.
1989         */
1990        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1991
1992        private static final Validator END_BUTTON_BEHAVIOR_VALIDATOR =
1993                new InclusiveIntegerRangeValidator(0, 3);
1994
1995        /**
1996         * END_BUTTON_BEHAVIOR value for "go home".
1997         * @hide
1998         */
1999        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
2000
2001        /**
2002         * END_BUTTON_BEHAVIOR value for "go to sleep".
2003         * @hide
2004         */
2005        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
2006
2007        /**
2008         * END_BUTTON_BEHAVIOR default value.
2009         * @hide
2010         */
2011        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
2012
2013        /**
2014         * Is advanced settings mode turned on. 0 == no, 1 == yes
2015         * @hide
2016         */
2017        public static final String ADVANCED_SETTINGS = "advanced_settings";
2018
2019        private static final Validator ADVANCED_SETTINGS_VALIDATOR = sBooleanValidator;
2020
2021        /**
2022         * ADVANCED_SETTINGS default value.
2023         * @hide
2024         */
2025        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
2026
2027        /**
2028         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_ON} instead
2029         */
2030        @Deprecated
2031        public static final String AIRPLANE_MODE_ON = Global.AIRPLANE_MODE_ON;
2032
2033        /**
2034         * @deprecated Use {@link android.provider.Settings.Global#RADIO_BLUETOOTH} instead
2035         */
2036        @Deprecated
2037        public static final String RADIO_BLUETOOTH = Global.RADIO_BLUETOOTH;
2038
2039        /**
2040         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIFI} instead
2041         */
2042        @Deprecated
2043        public static final String RADIO_WIFI = Global.RADIO_WIFI;
2044
2045        /**
2046         * @deprecated Use {@link android.provider.Settings.Global#RADIO_WIMAX} instead
2047         * {@hide}
2048         */
2049        @Deprecated
2050        public static final String RADIO_WIMAX = Global.RADIO_WIMAX;
2051
2052        /**
2053         * @deprecated Use {@link android.provider.Settings.Global#RADIO_CELL} instead
2054         */
2055        @Deprecated
2056        public static final String RADIO_CELL = Global.RADIO_CELL;
2057
2058        /**
2059         * @deprecated Use {@link android.provider.Settings.Global#RADIO_NFC} instead
2060         */
2061        @Deprecated
2062        public static final String RADIO_NFC = Global.RADIO_NFC;
2063
2064        /**
2065         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_RADIOS} instead
2066         */
2067        @Deprecated
2068        public static final String AIRPLANE_MODE_RADIOS = Global.AIRPLANE_MODE_RADIOS;
2069
2070        /**
2071         * @deprecated Use {@link android.provider.Settings.Global#AIRPLANE_MODE_TOGGLEABLE_RADIOS} instead
2072         *
2073         * {@hide}
2074         */
2075        @Deprecated
2076        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS =
2077                Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS;
2078
2079        /**
2080         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY} instead
2081         */
2082        @Deprecated
2083        public static final String WIFI_SLEEP_POLICY = Global.WIFI_SLEEP_POLICY;
2084
2085        /**
2086         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_DEFAULT} instead
2087         */
2088        @Deprecated
2089        public static final int WIFI_SLEEP_POLICY_DEFAULT = Global.WIFI_SLEEP_POLICY_DEFAULT;
2090
2091        /**
2092         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED} instead
2093         */
2094        @Deprecated
2095        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED =
2096                Global.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED;
2097
2098        /**
2099         * @deprecated Use {@link android.provider.Settings.Global#WIFI_SLEEP_POLICY_NEVER} instead
2100         */
2101        @Deprecated
2102        public static final int WIFI_SLEEP_POLICY_NEVER = Global.WIFI_SLEEP_POLICY_NEVER;
2103
2104        /**
2105         * @deprecated Use {@link android.provider.Settings.Global#MODE_RINGER} instead
2106         */
2107        @Deprecated
2108        public static final String MODE_RINGER = Global.MODE_RINGER;
2109
2110        /**
2111         * Whether to use static IP and other static network attributes.
2112         * <p>
2113         * Set to 1 for true and 0 for false.
2114         *
2115         * @deprecated Use {@link WifiManager} instead
2116         */
2117        @Deprecated
2118        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
2119
2120        private static final Validator WIFI_USE_STATIC_IP_VALIDATOR = sBooleanValidator;
2121
2122        /**
2123         * The static IP address.
2124         * <p>
2125         * Example: "192.168.1.51"
2126         *
2127         * @deprecated Use {@link WifiManager} instead
2128         */
2129        @Deprecated
2130        public static final String WIFI_STATIC_IP = "wifi_static_ip";
2131
2132        private static final Validator WIFI_STATIC_IP_VALIDATOR = sLenientIpAddressValidator;
2133
2134        /**
2135         * If using static IP, the gateway's IP address.
2136         * <p>
2137         * Example: "192.168.1.1"
2138         *
2139         * @deprecated Use {@link WifiManager} instead
2140         */
2141        @Deprecated
2142        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
2143
2144        private static final Validator WIFI_STATIC_GATEWAY_VALIDATOR = sLenientIpAddressValidator;
2145
2146        /**
2147         * If using static IP, the net mask.
2148         * <p>
2149         * Example: "255.255.255.0"
2150         *
2151         * @deprecated Use {@link WifiManager} instead
2152         */
2153        @Deprecated
2154        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
2155
2156        private static final Validator WIFI_STATIC_NETMASK_VALIDATOR = sLenientIpAddressValidator;
2157
2158        /**
2159         * If using static IP, the primary DNS's IP address.
2160         * <p>
2161         * Example: "192.168.1.1"
2162         *
2163         * @deprecated Use {@link WifiManager} instead
2164         */
2165        @Deprecated
2166        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
2167
2168        private static final Validator WIFI_STATIC_DNS1_VALIDATOR = sLenientIpAddressValidator;
2169
2170        /**
2171         * If using static IP, the secondary DNS's IP address.
2172         * <p>
2173         * Example: "192.168.1.2"
2174         *
2175         * @deprecated Use {@link WifiManager} instead
2176         */
2177        @Deprecated
2178        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
2179
2180        private static final Validator WIFI_STATIC_DNS2_VALIDATOR = sLenientIpAddressValidator;
2181
2182        /**
2183         * Determines whether remote devices may discover and/or connect to
2184         * this device.
2185         * <P>Type: INT</P>
2186         * 2 -- discoverable and connectable
2187         * 1 -- connectable but not discoverable
2188         * 0 -- neither connectable nor discoverable
2189         */
2190        public static final String BLUETOOTH_DISCOVERABILITY =
2191            "bluetooth_discoverability";
2192
2193        private static final Validator BLUETOOTH_DISCOVERABILITY_VALIDATOR =
2194                new InclusiveIntegerRangeValidator(0, 2);
2195
2196        /**
2197         * Bluetooth discoverability timeout.  If this value is nonzero, then
2198         * Bluetooth becomes discoverable for a certain number of seconds,
2199         * after which is becomes simply connectable.  The value is in seconds.
2200         */
2201        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
2202            "bluetooth_discoverability_timeout";
2203
2204        private static final Validator BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR =
2205                sNonNegativeIntegerValidator;
2206
2207        /**
2208         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
2209         * instead
2210         */
2211        @Deprecated
2212        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
2213
2214        /**
2215         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
2216         * instead
2217         */
2218        @Deprecated
2219        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2220
2221        /**
2222         * @deprecated Use
2223         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
2224         * instead
2225         */
2226        @Deprecated
2227        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2228            "lock_pattern_tactile_feedback_enabled";
2229
2230        /**
2231         * A formatted string of the next alarm that is set, or the empty string
2232         * if there is no alarm set.
2233         *
2234         * @deprecated Use {@link android.app.AlarmManager#getNextAlarmClock()}.
2235         */
2236        @Deprecated
2237        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
2238
2239        private static final Validator NEXT_ALARM_FORMATTED_VALIDATOR = new Validator() {
2240            private static final int MAX_LENGTH = 1000;
2241
2242            @Override
2243            public boolean validate(String value) {
2244                // TODO: No idea what the correct format is.
2245                return value == null || value.length() < MAX_LENGTH;
2246            }
2247        };
2248
2249        /**
2250         * Scaling factor for fonts, float.
2251         */
2252        public static final String FONT_SCALE = "font_scale";
2253
2254        private static final Validator FONT_SCALE_VALIDATOR = new Validator() {
2255            @Override
2256            public boolean validate(String value) {
2257                try {
2258                    return Float.parseFloat(value) >= 0;
2259                } catch (NumberFormatException e) {
2260                    return false;
2261                }
2262            }
2263        };
2264
2265        /**
2266         * Name of an application package to be debugged.
2267         *
2268         * @deprecated Use {@link Global#DEBUG_APP} instead
2269         */
2270        @Deprecated
2271        public static final String DEBUG_APP = Global.DEBUG_APP;
2272
2273        /**
2274         * If 1, when launching DEBUG_APP it will wait for the debugger before
2275         * starting user code.  If 0, it will run normally.
2276         *
2277         * @deprecated Use {@link Global#WAIT_FOR_DEBUGGER} instead
2278         */
2279        @Deprecated
2280        public static final String WAIT_FOR_DEBUGGER = Global.WAIT_FOR_DEBUGGER;
2281
2282        /**
2283         * Whether or not to dim the screen. 0=no  1=yes
2284         * @deprecated This setting is no longer used.
2285         */
2286        @Deprecated
2287        public static final String DIM_SCREEN = "dim_screen";
2288
2289        private static final Validator DIM_SCREEN_VALIDATOR = sBooleanValidator;
2290
2291        /**
2292         * The amount of time in milliseconds before the device goes to sleep or begins
2293         * to dream after a period of inactivity.  This value is also known as the
2294         * user activity timeout period since the screen isn't necessarily turned off
2295         * when it expires.
2296         */
2297        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
2298
2299        private static final Validator SCREEN_OFF_TIMEOUT_VALIDATOR = sNonNegativeIntegerValidator;
2300
2301        /**
2302         * The screen backlight brightness between 0 and 255.
2303         */
2304        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
2305
2306        private static final Validator SCREEN_BRIGHTNESS_VALIDATOR =
2307                new InclusiveIntegerRangeValidator(0, 255);
2308
2309        /**
2310         * Control whether to enable automatic brightness mode.
2311         */
2312        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
2313
2314        private static final Validator SCREEN_BRIGHTNESS_MODE_VALIDATOR = sBooleanValidator;
2315
2316        /**
2317         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
2318         * or less (<0.0 >-1.0) bright.
2319         * @hide
2320         */
2321        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
2322
2323        private static final Validator SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR =
2324                new InclusiveFloatRangeValidator(-1, 1);
2325
2326        /**
2327         * SCREEN_BRIGHTNESS_MODE value for manual mode.
2328         */
2329        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
2330
2331        /**
2332         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
2333         */
2334        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
2335
2336        /**
2337         * Control whether the process CPU usage meter should be shown.
2338         *
2339         * @deprecated Use {@link Global#SHOW_PROCESSES} instead
2340         */
2341        @Deprecated
2342        public static final String SHOW_PROCESSES = Global.SHOW_PROCESSES;
2343
2344        /**
2345         * If 1, the activity manager will aggressively finish activities and
2346         * processes as soon as they are no longer needed.  If 0, the normal
2347         * extended lifetime is used.
2348         *
2349         * @deprecated Use {@link Global#ALWAYS_FINISH_ACTIVITIES} instead
2350         */
2351        @Deprecated
2352        public static final String ALWAYS_FINISH_ACTIVITIES = Global.ALWAYS_FINISH_ACTIVITIES;
2353
2354        /**
2355         * Determines which streams are affected by ringer mode changes. The
2356         * stream type's bit should be set to 1 if it should be muted when going
2357         * into an inaudible ringer mode.
2358         */
2359        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
2360
2361        private static final Validator MODE_RINGER_STREAMS_AFFECTED_VALIDATOR =
2362                sNonNegativeIntegerValidator;
2363
2364        /**
2365          * Determines which streams are affected by mute. The
2366          * stream type's bit should be set to 1 if it should be muted when a mute request
2367          * is received.
2368          */
2369        public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
2370
2371        private static final Validator MUTE_STREAMS_AFFECTED_VALIDATOR =
2372                sNonNegativeIntegerValidator;
2373
2374        /**
2375         * Whether vibrate is on for different events. This is used internally,
2376         * changing this value will not change the vibrate. See AudioManager.
2377         */
2378        public static final String VIBRATE_ON = "vibrate_on";
2379
2380        private static final Validator VIBRATE_ON_VALIDATOR = sBooleanValidator;
2381
2382        /**
2383         * If 1, redirects the system vibrator to all currently attached input devices
2384         * that support vibration.  If there are no such input devices, then the system
2385         * vibrator is used instead.
2386         * If 0, does not register the system vibrator.
2387         *
2388         * This setting is mainly intended to provide a compatibility mechanism for
2389         * applications that only know about the system vibrator and do not use the
2390         * input device vibrator API.
2391         *
2392         * @hide
2393         */
2394        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
2395
2396        private static final Validator VIBRATE_INPUT_DEVICES_VALIDATOR = sBooleanValidator;
2397
2398        /**
2399         * Ringer volume. This is used internally, changing this value will not
2400         * change the volume. See AudioManager.
2401         *
2402         * @removed Not used by anything since API 2.
2403         */
2404        public static final String VOLUME_RING = "volume_ring";
2405
2406        /**
2407         * System/notifications volume. This is used internally, changing this
2408         * value will not change the volume. See AudioManager.
2409         *
2410         * @removed Not used by anything since API 2.
2411         */
2412        public static final String VOLUME_SYSTEM = "volume_system";
2413
2414        /**
2415         * Voice call volume. This is used internally, changing this value will
2416         * not change the volume. See AudioManager.
2417         *
2418         * @removed Not used by anything since API 2.
2419         */
2420        public static final String VOLUME_VOICE = "volume_voice";
2421
2422        /**
2423         * Music/media/gaming volume. This is used internally, changing this
2424         * value will not change the volume. See AudioManager.
2425         *
2426         * @removed Not used by anything since API 2.
2427         */
2428        public static final String VOLUME_MUSIC = "volume_music";
2429
2430        /**
2431         * Alarm volume. This is used internally, changing this
2432         * value will not change the volume. See AudioManager.
2433         *
2434         * @removed Not used by anything since API 2.
2435         */
2436        public static final String VOLUME_ALARM = "volume_alarm";
2437
2438        /**
2439         * Notification volume. This is used internally, changing this
2440         * value will not change the volume. See AudioManager.
2441         *
2442         * @removed Not used by anything since API 2.
2443         */
2444        public static final String VOLUME_NOTIFICATION = "volume_notification";
2445
2446        /**
2447         * Bluetooth Headset volume. This is used internally, changing this value will
2448         * not change the volume. See AudioManager.
2449         *
2450         * @removed Not used by anything since API 2.
2451         */
2452        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
2453
2454        /**
2455         * Master volume (float in the range 0.0f to 1.0f).
2456         *
2457         * @hide
2458         */
2459        public static final String VOLUME_MASTER = "volume_master";
2460
2461        /**
2462         * Master volume mute (int 1 = mute, 0 = not muted).
2463         *
2464         * @hide
2465         */
2466        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
2467
2468        private static final Validator VOLUME_MASTER_MUTE_VALIDATOR = sBooleanValidator;
2469
2470        /**
2471         * Microphone mute (int 1 = mute, 0 = not muted).
2472         *
2473         * @hide
2474         */
2475        public static final String MICROPHONE_MUTE = "microphone_mute";
2476
2477        private static final Validator MICROPHONE_MUTE_VALIDATOR = sBooleanValidator;
2478
2479        /**
2480         * Whether the notifications should use the ring volume (value of 1) or
2481         * a separate notification volume (value of 0). In most cases, users
2482         * will have this enabled so the notification and ringer volumes will be
2483         * the same. However, power users can disable this and use the separate
2484         * notification volume control.
2485         * <p>
2486         * Note: This is a one-off setting that will be removed in the future
2487         * when there is profile support. For this reason, it is kept hidden
2488         * from the public APIs.
2489         *
2490         * @hide
2491         * @deprecated
2492         */
2493        @Deprecated
2494        public static final String NOTIFICATIONS_USE_RING_VOLUME =
2495            "notifications_use_ring_volume";
2496
2497        private static final Validator NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR = sBooleanValidator;
2498
2499        /**
2500         * Whether silent mode should allow vibration feedback. This is used
2501         * internally in AudioService and the Sound settings activity to
2502         * coordinate decoupling of vibrate and silent modes. This setting
2503         * will likely be removed in a future release with support for
2504         * audio/vibe feedback profiles.
2505         *
2506         * Not used anymore. On devices with vibrator, the user explicitly selects
2507         * silent or vibrate mode.
2508         * Kept for use by legacy database upgrade code in DatabaseHelper.
2509         * @hide
2510         */
2511        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
2512
2513        private static final Validator VIBRATE_IN_SILENT_VALIDATOR = sBooleanValidator;
2514
2515        /**
2516         * The mapping of stream type (integer) to its setting.
2517         *
2518         * @removed  Not used by anything since API 2.
2519         */
2520        public static final String[] VOLUME_SETTINGS = {
2521            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
2522            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
2523        };
2524
2525        /**
2526         * Appended to various volume related settings to record the previous
2527         * values before they the settings were affected by a silent/vibrate
2528         * ringer mode change.
2529         *
2530         * @removed  Not used by anything since API 2.
2531         */
2532        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
2533
2534        /**
2535         * Persistent store for the system-wide default ringtone URI.
2536         * <p>
2537         * If you need to play the default ringtone at any given time, it is recommended
2538         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
2539         * to the set default ringtone at the time of playing.
2540         *
2541         * @see #DEFAULT_RINGTONE_URI
2542         */
2543        public static final String RINGTONE = "ringtone";
2544
2545        private static final Validator RINGTONE_VALIDATOR = sUriValidator;
2546
2547        /**
2548         * A {@link Uri} that will point to the current default ringtone at any
2549         * given time.
2550         * <p>
2551         * If the current default ringtone is in the DRM provider and the caller
2552         * does not have permission, the exception will be a
2553         * FileNotFoundException.
2554         */
2555        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
2556
2557        /**
2558         * Persistent store for the system-wide default notification sound.
2559         *
2560         * @see #RINGTONE
2561         * @see #DEFAULT_NOTIFICATION_URI
2562         */
2563        public static final String NOTIFICATION_SOUND = "notification_sound";
2564
2565        private static final Validator NOTIFICATION_SOUND_VALIDATOR = sUriValidator;
2566
2567        /**
2568         * A {@link Uri} that will point to the current default notification
2569         * sound at any given time.
2570         *
2571         * @see #DEFAULT_RINGTONE_URI
2572         */
2573        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
2574
2575        /**
2576         * Persistent store for the system-wide default alarm alert.
2577         *
2578         * @see #RINGTONE
2579         * @see #DEFAULT_ALARM_ALERT_URI
2580         */
2581        public static final String ALARM_ALERT = "alarm_alert";
2582
2583        private static final Validator ALARM_ALERT_VALIDATOR = sUriValidator;
2584
2585        /**
2586         * A {@link Uri} that will point to the current default alarm alert at
2587         * any given time.
2588         *
2589         * @see #DEFAULT_ALARM_ALERT_URI
2590         */
2591        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
2592
2593        /**
2594         * Persistent store for the system default media button event receiver.
2595         *
2596         * @hide
2597         */
2598        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
2599
2600        private static final Validator MEDIA_BUTTON_RECEIVER_VALIDATOR = new Validator() {
2601            @Override
2602            public boolean validate(String value) {
2603                try {
2604                    ComponentName.unflattenFromString(value);
2605                    return true;
2606                } catch (NullPointerException e) {
2607                    return false;
2608                }
2609            }
2610        };
2611
2612        /**
2613         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
2614         */
2615        public static final String TEXT_AUTO_REPLACE = "auto_replace";
2616
2617        private static final Validator TEXT_AUTO_REPLACE_VALIDATOR = sBooleanValidator;
2618
2619        /**
2620         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
2621         */
2622        public static final String TEXT_AUTO_CAPS = "auto_caps";
2623
2624        private static final Validator TEXT_AUTO_CAPS_VALIDATOR = sBooleanValidator;
2625
2626        /**
2627         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
2628         * feature converts two spaces to a "." and space.
2629         */
2630        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
2631
2632        private static final Validator TEXT_AUTO_PUNCTUATE_VALIDATOR = sBooleanValidator;
2633
2634        /**
2635         * Setting to showing password characters in text editors. 1 = On, 0 = Off
2636         */
2637        public static final String TEXT_SHOW_PASSWORD = "show_password";
2638
2639        private static final Validator TEXT_SHOW_PASSWORD_VALIDATOR = sBooleanValidator;
2640
2641        public static final String SHOW_GTALK_SERVICE_STATUS =
2642                "SHOW_GTALK_SERVICE_STATUS";
2643
2644        private static final Validator SHOW_GTALK_SERVICE_STATUS_VALIDATOR = sBooleanValidator;
2645
2646        /**
2647         * Name of activity to use for wallpaper on the home screen.
2648         *
2649         * @deprecated Use {@link WallpaperManager} instead.
2650         */
2651        @Deprecated
2652        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
2653
2654        private static final Validator WALLPAPER_ACTIVITY_VALIDATOR = new Validator() {
2655            private static final int MAX_LENGTH = 1000;
2656
2657            @Override
2658            public boolean validate(String value) {
2659                if (value != null && value.length() > MAX_LENGTH) {
2660                    return false;
2661                }
2662                return ComponentName.unflattenFromString(value) != null;
2663            }
2664        };
2665
2666        /**
2667         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME}
2668         * instead
2669         */
2670        @Deprecated
2671        public static final String AUTO_TIME = Global.AUTO_TIME;
2672
2673        /**
2674         * @deprecated Use {@link android.provider.Settings.Global#AUTO_TIME_ZONE}
2675         * instead
2676         */
2677        @Deprecated
2678        public static final String AUTO_TIME_ZONE = Global.AUTO_TIME_ZONE;
2679
2680        /**
2681         * Display times as 12 or 24 hours
2682         *   12
2683         *   24
2684         */
2685        public static final String TIME_12_24 = "time_12_24";
2686
2687        /** @hide */
2688        public static final Validator TIME_12_24_VALIDATOR =
2689                new DiscreteValueValidator(new String[] {"12", "24"});
2690
2691        /**
2692         * Date format string
2693         *   mm/dd/yyyy
2694         *   dd/mm/yyyy
2695         *   yyyy/mm/dd
2696         */
2697        public static final String DATE_FORMAT = "date_format";
2698
2699        /** @hide */
2700        public static final Validator DATE_FORMAT_VALIDATOR = new Validator() {
2701            @Override
2702            public boolean validate(String value) {
2703                try {
2704                    new SimpleDateFormat(value);
2705                    return true;
2706                } catch (IllegalArgumentException e) {
2707                    return false;
2708                }
2709            }
2710        };
2711
2712        /**
2713         * Whether the setup wizard has been run before (on first boot), or if
2714         * it still needs to be run.
2715         *
2716         * nonzero = it has been run in the past
2717         * 0 = it has not been run in the past
2718         */
2719        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
2720
2721        /** @hide */
2722        public static final Validator SETUP_WIZARD_HAS_RUN_VALIDATOR = sBooleanValidator;
2723
2724        /**
2725         * Scaling factor for normal window animations. Setting to 0 will disable window
2726         * animations.
2727         *
2728         * @deprecated Use {@link Global#WINDOW_ANIMATION_SCALE} instead
2729         */
2730        @Deprecated
2731        public static final String WINDOW_ANIMATION_SCALE = Global.WINDOW_ANIMATION_SCALE;
2732
2733        /**
2734         * Scaling factor for activity transition animations. Setting to 0 will disable window
2735         * animations.
2736         *
2737         * @deprecated Use {@link Global#TRANSITION_ANIMATION_SCALE} instead
2738         */
2739        @Deprecated
2740        public static final String TRANSITION_ANIMATION_SCALE = Global.TRANSITION_ANIMATION_SCALE;
2741
2742        /**
2743         * Scaling factor for Animator-based animations. This affects both the start delay and
2744         * duration of all such animations. Setting to 0 will cause animations to end immediately.
2745         * The default value is 1.
2746         *
2747         * @deprecated Use {@link Global#ANIMATOR_DURATION_SCALE} instead
2748         */
2749        @Deprecated
2750        public static final String ANIMATOR_DURATION_SCALE = Global.ANIMATOR_DURATION_SCALE;
2751
2752        /**
2753         * Control whether the accelerometer will be used to change screen
2754         * orientation.  If 0, it will not be used unless explicitly requested
2755         * by the application; if 1, it will be used by default unless explicitly
2756         * disabled by the application.
2757         */
2758        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
2759
2760        /** @hide */
2761        public static final Validator ACCELEROMETER_ROTATION_VALIDATOR = sBooleanValidator;
2762
2763        /**
2764         * Default screen rotation when no other policy applies.
2765         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
2766         * preference, this rotation value will be used. Must be one of the
2767         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
2768         *
2769         * @see android.view.Display#getRotation
2770         */
2771        public static final String USER_ROTATION = "user_rotation";
2772
2773        /** @hide */
2774        public static final Validator USER_ROTATION_VALIDATOR =
2775                new InclusiveIntegerRangeValidator(0, 3);
2776
2777        /**
2778         * Control whether the rotation lock toggle in the System UI should be hidden.
2779         * Typically this is done for accessibility purposes to make it harder for
2780         * the user to accidentally toggle the rotation lock while the display rotation
2781         * has been locked for accessibility.
2782         *
2783         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
2784         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
2785         *
2786         * @hide
2787         */
2788        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
2789                "hide_rotation_lock_toggle_for_accessibility";
2790
2791        /** @hide */
2792        public static final Validator HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR =
2793                sBooleanValidator;
2794
2795        /**
2796         * Whether the phone vibrates when it is ringing due to an incoming call. This will
2797         * be used by Phone and Setting apps; it shouldn't affect other apps.
2798         * The value is boolean (1 or 0).
2799         *
2800         * Note: this is not same as "vibrate on ring", which had been available until ICS.
2801         * It was about AudioManager's setting and thus affected all the applications which
2802         * relied on the setting, while this is purely about the vibration setting for incoming
2803         * calls.
2804         */
2805        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
2806
2807        /** @hide */
2808        public static final Validator VIBRATE_WHEN_RINGING_VALIDATOR = sBooleanValidator;
2809
2810        /**
2811         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
2812         * boolean (1 or 0).
2813         */
2814        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
2815
2816        /** @hide */
2817        public static final Validator DTMF_TONE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2818
2819        /**
2820         * CDMA only settings
2821         * DTMF tone type played by the dialer when dialing.
2822         *                 0 = Normal
2823         *                 1 = Long
2824         */
2825        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
2826
2827        /** @hide */
2828        public static final Validator DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR = sBooleanValidator;
2829
2830        /**
2831         * Whether the hearing aid is enabled. The value is
2832         * boolean (1 or 0).
2833         * @hide
2834         */
2835        public static final String HEARING_AID = "hearing_aid";
2836
2837        /** @hide */
2838        public static final Validator HEARING_AID_VALIDATOR = sBooleanValidator;
2839
2840        /**
2841         * CDMA only settings
2842         * TTY Mode
2843         * 0 = OFF
2844         * 1 = FULL
2845         * 2 = VCO
2846         * 3 = HCO
2847         * @hide
2848         */
2849        public static final String TTY_MODE = "tty_mode";
2850
2851        /** @hide */
2852        public static final Validator TTY_MODE_VALIDATOR = new InclusiveIntegerRangeValidator(0, 3);
2853
2854        /**
2855         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
2856         * boolean (1 or 0).
2857         */
2858        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
2859
2860        /** @hide */
2861        public static final Validator SOUND_EFFECTS_ENABLED_VALIDATOR = sBooleanValidator;
2862
2863        /**
2864         * Whether the haptic feedback (long presses, ...) are enabled. The value is
2865         * boolean (1 or 0).
2866         */
2867        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
2868
2869        /** @hide */
2870        public static final Validator HAPTIC_FEEDBACK_ENABLED_VALIDATOR = sBooleanValidator;
2871
2872        /**
2873         * @deprecated Each application that shows web suggestions should have its own
2874         * setting for this.
2875         */
2876        @Deprecated
2877        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
2878
2879        /** @hide */
2880        public static final Validator SHOW_WEB_SUGGESTIONS_VALIDATOR = sBooleanValidator;
2881
2882        /**
2883         * Whether the notification LED should repeatedly flash when a notification is
2884         * pending. The value is boolean (1 or 0).
2885         * @hide
2886         */
2887        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
2888
2889        /** @hide */
2890        public static final Validator NOTIFICATION_LIGHT_PULSE_VALIDATOR = sBooleanValidator;
2891
2892        /**
2893         * Show pointer location on screen?
2894         * 0 = no
2895         * 1 = yes
2896         * @hide
2897         */
2898        public static final String POINTER_LOCATION = "pointer_location";
2899
2900        /** @hide */
2901        public static final Validator POINTER_LOCATION_VALIDATOR = sBooleanValidator;
2902
2903        /**
2904         * Show touch positions on screen?
2905         * 0 = no
2906         * 1 = yes
2907         * @hide
2908         */
2909        public static final String SHOW_TOUCHES = "show_touches";
2910
2911        /** @hide */
2912        public static final Validator SHOW_TOUCHES_VALIDATOR = sBooleanValidator;
2913
2914        /**
2915         * Log raw orientation data from
2916         * {@link com.android.server.policy.WindowOrientationListener} for use with the
2917         * orientationplot.py tool.
2918         * 0 = no
2919         * 1 = yes
2920         * @hide
2921         */
2922        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
2923                "window_orientation_listener_log";
2924
2925        /** @hide */
2926        public static final Validator WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR = sBooleanValidator;
2927
2928        /**
2929         * @deprecated Use {@link android.provider.Settings.Global#POWER_SOUNDS_ENABLED}
2930         * instead
2931         * @hide
2932         */
2933        @Deprecated
2934        public static final String POWER_SOUNDS_ENABLED = Global.POWER_SOUNDS_ENABLED;
2935
2936        /**
2937         * @deprecated Use {@link android.provider.Settings.Global#DOCK_SOUNDS_ENABLED}
2938         * instead
2939         * @hide
2940         */
2941        @Deprecated
2942        public static final String DOCK_SOUNDS_ENABLED = Global.DOCK_SOUNDS_ENABLED;
2943
2944        /**
2945         * Whether to play sounds when the keyguard is shown and dismissed.
2946         * @hide
2947         */
2948        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
2949
2950        /** @hide */
2951        public static final Validator LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR = sBooleanValidator;
2952
2953        /**
2954         * Whether the lockscreen should be completely disabled.
2955         * @hide
2956         */
2957        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
2958
2959        /** @hide */
2960        public static final Validator LOCKSCREEN_DISABLED_VALIDATOR = sBooleanValidator;
2961
2962        /**
2963         * @deprecated Use {@link android.provider.Settings.Global#LOW_BATTERY_SOUND}
2964         * instead
2965         * @hide
2966         */
2967        @Deprecated
2968        public static final String LOW_BATTERY_SOUND = Global.LOW_BATTERY_SOUND;
2969
2970        /**
2971         * @deprecated Use {@link android.provider.Settings.Global#DESK_DOCK_SOUND}
2972         * instead
2973         * @hide
2974         */
2975        @Deprecated
2976        public static final String DESK_DOCK_SOUND = Global.DESK_DOCK_SOUND;
2977
2978        /**
2979         * @deprecated Use {@link android.provider.Settings.Global#DESK_UNDOCK_SOUND}
2980         * instead
2981         * @hide
2982         */
2983        @Deprecated
2984        public static final String DESK_UNDOCK_SOUND = Global.DESK_UNDOCK_SOUND;
2985
2986        /**
2987         * @deprecated Use {@link android.provider.Settings.Global#CAR_DOCK_SOUND}
2988         * instead
2989         * @hide
2990         */
2991        @Deprecated
2992        public static final String CAR_DOCK_SOUND = Global.CAR_DOCK_SOUND;
2993
2994        /**
2995         * @deprecated Use {@link android.provider.Settings.Global#CAR_UNDOCK_SOUND}
2996         * instead
2997         * @hide
2998         */
2999        @Deprecated
3000        public static final String CAR_UNDOCK_SOUND = Global.CAR_UNDOCK_SOUND;
3001
3002        /**
3003         * @deprecated Use {@link android.provider.Settings.Global#LOCK_SOUND}
3004         * instead
3005         * @hide
3006         */
3007        @Deprecated
3008        public static final String LOCK_SOUND = Global.LOCK_SOUND;
3009
3010        /**
3011         * @deprecated Use {@link android.provider.Settings.Global#UNLOCK_SOUND}
3012         * instead
3013         * @hide
3014         */
3015        @Deprecated
3016        public static final String UNLOCK_SOUND = Global.UNLOCK_SOUND;
3017
3018        /**
3019         * Receive incoming SIP calls?
3020         * 0 = no
3021         * 1 = yes
3022         * @hide
3023         */
3024        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
3025
3026        /** @hide */
3027        public static final Validator SIP_RECEIVE_CALLS_VALIDATOR = sBooleanValidator;
3028
3029        /**
3030         * Call Preference String.
3031         * "SIP_ALWAYS" : Always use SIP with network access
3032         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
3033         * @hide
3034         */
3035        public static final String SIP_CALL_OPTIONS = "sip_call_options";
3036
3037        /** @hide */
3038        public static final Validator SIP_CALL_OPTIONS_VALIDATOR = new DiscreteValueValidator(
3039                new String[] {"SIP_ALWAYS", "SIP_ADDRESS_ONLY"});
3040
3041        /**
3042         * One of the sip call options: Always use SIP with network access.
3043         * @hide
3044         */
3045        public static final String SIP_ALWAYS = "SIP_ALWAYS";
3046
3047        /** @hide */
3048        public static final Validator SIP_ALWAYS_VALIDATOR = sBooleanValidator;
3049
3050        /**
3051         * One of the sip call options: Only if destination is a SIP address.
3052         * @hide
3053         */
3054        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
3055
3056        /** @hide */
3057        public static final Validator SIP_ADDRESS_ONLY_VALIDATOR = sBooleanValidator;
3058
3059        /**
3060         * @deprecated Use SIP_ALWAYS or SIP_ADDRESS_ONLY instead.  Formerly used to indicate that
3061         * the user should be prompted each time a call is made whether it should be placed using
3062         * SIP.  The {@link com.android.providers.settings.DatabaseHelper} replaces this with
3063         * SIP_ADDRESS_ONLY.
3064         * @hide
3065         */
3066        @Deprecated
3067        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
3068
3069        /** @hide */
3070        public static final Validator SIP_ASK_ME_EACH_TIME_VALIDATOR = sBooleanValidator;
3071
3072        /**
3073         * Pointer speed setting.
3074         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
3075         *   -7 = slowest
3076         *    0 = default speed
3077         *   +7 = fastest
3078         * @hide
3079         */
3080        public static final String POINTER_SPEED = "pointer_speed";
3081
3082        /** @hide */
3083        public static final Validator POINTER_SPEED_VALIDATOR =
3084                new InclusiveFloatRangeValidator(-7, 7);
3085
3086        /**
3087         * Whether lock-to-app will be triggered by long-press on recents.
3088         * @hide
3089         */
3090        public static final String LOCK_TO_APP_ENABLED = "lock_to_app_enabled";
3091
3092        /** @hide */
3093        public static final Validator LOCK_TO_APP_ENABLED_VALIDATOR = sBooleanValidator;
3094
3095        /**
3096         * I am the lolrus.
3097         * <p>
3098         * Nonzero values indicate that the user has a bukkit.
3099         * Backward-compatible with <code>PrefGetPreference(prefAllowEasterEggs)</code>.
3100         * @hide
3101         */
3102        public static final String EGG_MODE = "egg_mode";
3103
3104        /** @hide */
3105        public static final Validator EGG_MODE_VALIDATOR = new Validator() {
3106            @Override
3107            public boolean validate(String value) {
3108                try {
3109                    return Long.parseLong(value) >= 0;
3110                } catch (NumberFormatException e) {
3111                    return false;
3112                }
3113            }
3114        };
3115
3116        /**
3117         * IMPORTANT: If you add a new public settings you also have to add it to
3118         * PUBLIC_SETTINGS below. If the new setting is hidden you have to add
3119         * it to PRIVATE_SETTINGS below. Also add a validator that can validate
3120         * the setting value. See an example above.
3121         */
3122
3123        /**
3124         * Settings to backup. This is here so that it's in the same place as the settings
3125         * keys and easy to update.
3126         *
3127         * NOTE: Settings are backed up and restored in the order they appear
3128         *       in this array. If you have one setting depending on another,
3129         *       make sure that they are ordered appropriately.
3130         *
3131         * @hide
3132         */
3133        public static final String[] SETTINGS_TO_BACKUP = {
3134            STAY_ON_WHILE_PLUGGED_IN,   // moved to global
3135            WIFI_USE_STATIC_IP,
3136            WIFI_STATIC_IP,
3137            WIFI_STATIC_GATEWAY,
3138            WIFI_STATIC_NETMASK,
3139            WIFI_STATIC_DNS1,
3140            WIFI_STATIC_DNS2,
3141            BLUETOOTH_DISCOVERABILITY,
3142            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3143            DIM_SCREEN,
3144            SCREEN_OFF_TIMEOUT,
3145            SCREEN_BRIGHTNESS,
3146            SCREEN_BRIGHTNESS_MODE,
3147            SCREEN_AUTO_BRIGHTNESS_ADJ,
3148            VIBRATE_INPUT_DEVICES,
3149            MODE_RINGER_STREAMS_AFFECTED,
3150            TEXT_AUTO_REPLACE,
3151            TEXT_AUTO_CAPS,
3152            TEXT_AUTO_PUNCTUATE,
3153            TEXT_SHOW_PASSWORD,
3154            AUTO_TIME,                  // moved to global
3155            AUTO_TIME_ZONE,             // moved to global
3156            TIME_12_24,
3157            DATE_FORMAT,
3158            DTMF_TONE_WHEN_DIALING,
3159            DTMF_TONE_TYPE_WHEN_DIALING,
3160            HEARING_AID,
3161            TTY_MODE,
3162            SOUND_EFFECTS_ENABLED,
3163            HAPTIC_FEEDBACK_ENABLED,
3164            POWER_SOUNDS_ENABLED,       // moved to global
3165            DOCK_SOUNDS_ENABLED,        // moved to global
3166            LOCKSCREEN_SOUNDS_ENABLED,
3167            SHOW_WEB_SUGGESTIONS,
3168            NOTIFICATION_LIGHT_PULSE,
3169            SIP_CALL_OPTIONS,
3170            SIP_RECEIVE_CALLS,
3171            POINTER_SPEED,
3172            VIBRATE_WHEN_RINGING,
3173            RINGTONE,
3174            LOCK_TO_APP_ENABLED,
3175            NOTIFICATION_SOUND
3176        };
3177
3178        /**
3179         * These are all public system settings
3180         *
3181         * @hide
3182         */
3183        public static final Set<String> PUBLIC_SETTINGS = new ArraySet<>();
3184        static {
3185            PUBLIC_SETTINGS.add(END_BUTTON_BEHAVIOR);
3186            PUBLIC_SETTINGS.add(WIFI_USE_STATIC_IP);
3187            PUBLIC_SETTINGS.add(WIFI_STATIC_IP);
3188            PUBLIC_SETTINGS.add(WIFI_STATIC_GATEWAY);
3189            PUBLIC_SETTINGS.add(WIFI_STATIC_NETMASK);
3190            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS1);
3191            PUBLIC_SETTINGS.add(WIFI_STATIC_DNS2);
3192            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY);
3193            PUBLIC_SETTINGS.add(BLUETOOTH_DISCOVERABILITY_TIMEOUT);
3194            PUBLIC_SETTINGS.add(NEXT_ALARM_FORMATTED);
3195            PUBLIC_SETTINGS.add(FONT_SCALE);
3196            PUBLIC_SETTINGS.add(DIM_SCREEN);
3197            PUBLIC_SETTINGS.add(SCREEN_OFF_TIMEOUT);
3198            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS);
3199            PUBLIC_SETTINGS.add(SCREEN_BRIGHTNESS_MODE);
3200            PUBLIC_SETTINGS.add(MODE_RINGER_STREAMS_AFFECTED);
3201            PUBLIC_SETTINGS.add(MUTE_STREAMS_AFFECTED);
3202            PUBLIC_SETTINGS.add(VIBRATE_ON);
3203            PUBLIC_SETTINGS.add(VOLUME_RING);
3204            PUBLIC_SETTINGS.add(VOLUME_SYSTEM);
3205            PUBLIC_SETTINGS.add(VOLUME_VOICE);
3206            PUBLIC_SETTINGS.add(VOLUME_MUSIC);
3207            PUBLIC_SETTINGS.add(VOLUME_ALARM);
3208            PUBLIC_SETTINGS.add(VOLUME_NOTIFICATION);
3209            PUBLIC_SETTINGS.add(VOLUME_BLUETOOTH_SCO);
3210            PUBLIC_SETTINGS.add(RINGTONE);
3211            PUBLIC_SETTINGS.add(NOTIFICATION_SOUND);
3212            PUBLIC_SETTINGS.add(ALARM_ALERT);
3213            PUBLIC_SETTINGS.add(TEXT_AUTO_REPLACE);
3214            PUBLIC_SETTINGS.add(TEXT_AUTO_CAPS);
3215            PUBLIC_SETTINGS.add(TEXT_AUTO_PUNCTUATE);
3216            PUBLIC_SETTINGS.add(TEXT_SHOW_PASSWORD);
3217            PUBLIC_SETTINGS.add(SHOW_GTALK_SERVICE_STATUS);
3218            PUBLIC_SETTINGS.add(WALLPAPER_ACTIVITY);
3219            PUBLIC_SETTINGS.add(TIME_12_24);
3220            PUBLIC_SETTINGS.add(DATE_FORMAT);
3221            PUBLIC_SETTINGS.add(SETUP_WIZARD_HAS_RUN);
3222            PUBLIC_SETTINGS.add(ACCELEROMETER_ROTATION);
3223            PUBLIC_SETTINGS.add(USER_ROTATION);
3224            PUBLIC_SETTINGS.add(DTMF_TONE_WHEN_DIALING);
3225            PUBLIC_SETTINGS.add(SOUND_EFFECTS_ENABLED);
3226            PUBLIC_SETTINGS.add(HAPTIC_FEEDBACK_ENABLED);
3227            PUBLIC_SETTINGS.add(SHOW_WEB_SUGGESTIONS);
3228        }
3229
3230        /**
3231         * These are all hidden system settings.
3232         *
3233         * @hide
3234         */
3235        public static final Set<String> PRIVATE_SETTINGS = new ArraySet<>();
3236        static {
3237            PRIVATE_SETTINGS.add(WIFI_USE_STATIC_IP);
3238            PRIVATE_SETTINGS.add(END_BUTTON_BEHAVIOR);
3239            PRIVATE_SETTINGS.add(ADVANCED_SETTINGS);
3240            PRIVATE_SETTINGS.add(SCREEN_AUTO_BRIGHTNESS_ADJ);
3241            PRIVATE_SETTINGS.add(VIBRATE_INPUT_DEVICES);
3242            PRIVATE_SETTINGS.add(VOLUME_MASTER);
3243            PRIVATE_SETTINGS.add(VOLUME_MASTER_MUTE);
3244            PRIVATE_SETTINGS.add(MICROPHONE_MUTE);
3245            PRIVATE_SETTINGS.add(NOTIFICATIONS_USE_RING_VOLUME);
3246            PRIVATE_SETTINGS.add(VIBRATE_IN_SILENT);
3247            PRIVATE_SETTINGS.add(MEDIA_BUTTON_RECEIVER);
3248            PRIVATE_SETTINGS.add(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY);
3249            PRIVATE_SETTINGS.add(VIBRATE_WHEN_RINGING);
3250            PRIVATE_SETTINGS.add(DTMF_TONE_TYPE_WHEN_DIALING);
3251            PRIVATE_SETTINGS.add(HEARING_AID);
3252            PRIVATE_SETTINGS.add(TTY_MODE);
3253            PRIVATE_SETTINGS.add(NOTIFICATION_LIGHT_PULSE);
3254            PRIVATE_SETTINGS.add(POINTER_LOCATION);
3255            PRIVATE_SETTINGS.add(SHOW_TOUCHES);
3256            PRIVATE_SETTINGS.add(WINDOW_ORIENTATION_LISTENER_LOG);
3257            PRIVATE_SETTINGS.add(POWER_SOUNDS_ENABLED);
3258            PRIVATE_SETTINGS.add(DOCK_SOUNDS_ENABLED);
3259            PRIVATE_SETTINGS.add(LOCKSCREEN_SOUNDS_ENABLED);
3260            PRIVATE_SETTINGS.add(LOCKSCREEN_DISABLED);
3261            PRIVATE_SETTINGS.add(LOW_BATTERY_SOUND);
3262            PRIVATE_SETTINGS.add(DESK_DOCK_SOUND);
3263            PRIVATE_SETTINGS.add(DESK_UNDOCK_SOUND);
3264            PRIVATE_SETTINGS.add(CAR_DOCK_SOUND);
3265            PRIVATE_SETTINGS.add(CAR_UNDOCK_SOUND);
3266            PRIVATE_SETTINGS.add(LOCK_SOUND);
3267            PRIVATE_SETTINGS.add(UNLOCK_SOUND);
3268            PRIVATE_SETTINGS.add(SIP_RECEIVE_CALLS);
3269            PRIVATE_SETTINGS.add(SIP_CALL_OPTIONS);
3270            PRIVATE_SETTINGS.add(SIP_ALWAYS);
3271            PRIVATE_SETTINGS.add(SIP_ADDRESS_ONLY);
3272            PRIVATE_SETTINGS.add(SIP_ASK_ME_EACH_TIME);
3273            PRIVATE_SETTINGS.add(POINTER_SPEED);
3274            PRIVATE_SETTINGS.add(LOCK_TO_APP_ENABLED);
3275            PRIVATE_SETTINGS.add(EGG_MODE);
3276        }
3277
3278        /**
3279         * These are all public system settings
3280         *
3281         * @hide
3282         */
3283        public static final Map<String, Validator> VALIDATORS = new ArrayMap<>();
3284        static {
3285            VALIDATORS.put(END_BUTTON_BEHAVIOR,END_BUTTON_BEHAVIOR_VALIDATOR);
3286            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3287            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY, BLUETOOTH_DISCOVERABILITY_VALIDATOR);
3288            VALIDATORS.put(BLUETOOTH_DISCOVERABILITY_TIMEOUT,
3289                    BLUETOOTH_DISCOVERABILITY_TIMEOUT_VALIDATOR);
3290            VALIDATORS.put(NEXT_ALARM_FORMATTED, NEXT_ALARM_FORMATTED_VALIDATOR);
3291            VALIDATORS.put(FONT_SCALE, FONT_SCALE_VALIDATOR);
3292            VALIDATORS.put(DIM_SCREEN, DIM_SCREEN_VALIDATOR);
3293            VALIDATORS.put(SCREEN_OFF_TIMEOUT, SCREEN_OFF_TIMEOUT_VALIDATOR);
3294            VALIDATORS.put(SCREEN_BRIGHTNESS, SCREEN_BRIGHTNESS_VALIDATOR);
3295            VALIDATORS.put(SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_VALIDATOR);
3296            VALIDATORS.put(MODE_RINGER_STREAMS_AFFECTED, MODE_RINGER_STREAMS_AFFECTED_VALIDATOR);
3297            VALIDATORS.put(MUTE_STREAMS_AFFECTED, MUTE_STREAMS_AFFECTED_VALIDATOR);
3298            VALIDATORS.put(VIBRATE_ON, VIBRATE_ON_VALIDATOR);
3299            VALIDATORS.put(RINGTONE, RINGTONE_VALIDATOR);
3300            VALIDATORS.put(NOTIFICATION_SOUND, NOTIFICATION_SOUND_VALIDATOR);
3301            VALIDATORS.put(ALARM_ALERT, ALARM_ALERT_VALIDATOR);
3302            VALIDATORS.put(TEXT_AUTO_REPLACE, TEXT_AUTO_REPLACE_VALIDATOR);
3303            VALIDATORS.put(TEXT_AUTO_CAPS, TEXT_AUTO_CAPS_VALIDATOR);
3304            VALIDATORS.put(TEXT_AUTO_PUNCTUATE, TEXT_AUTO_PUNCTUATE_VALIDATOR);
3305            VALIDATORS.put(TEXT_SHOW_PASSWORD, TEXT_SHOW_PASSWORD_VALIDATOR);
3306            VALIDATORS.put(SHOW_GTALK_SERVICE_STATUS, SHOW_GTALK_SERVICE_STATUS_VALIDATOR);
3307            VALIDATORS.put(WALLPAPER_ACTIVITY, WALLPAPER_ACTIVITY_VALIDATOR);
3308            VALIDATORS.put(TIME_12_24, TIME_12_24_VALIDATOR);
3309            VALIDATORS.put(DATE_FORMAT, DATE_FORMAT_VALIDATOR);
3310            VALIDATORS.put(SETUP_WIZARD_HAS_RUN, SETUP_WIZARD_HAS_RUN_VALIDATOR);
3311            VALIDATORS.put(ACCELEROMETER_ROTATION, ACCELEROMETER_ROTATION_VALIDATOR);
3312            VALIDATORS.put(USER_ROTATION, USER_ROTATION_VALIDATOR);
3313            VALIDATORS.put(DTMF_TONE_WHEN_DIALING, DTMF_TONE_WHEN_DIALING_VALIDATOR);
3314            VALIDATORS.put(SOUND_EFFECTS_ENABLED, SOUND_EFFECTS_ENABLED_VALIDATOR);
3315            VALIDATORS.put(HAPTIC_FEEDBACK_ENABLED, HAPTIC_FEEDBACK_ENABLED_VALIDATOR);
3316            VALIDATORS.put(SHOW_WEB_SUGGESTIONS, SHOW_WEB_SUGGESTIONS_VALIDATOR);
3317            VALIDATORS.put(WIFI_USE_STATIC_IP, WIFI_USE_STATIC_IP_VALIDATOR);
3318            VALIDATORS.put(END_BUTTON_BEHAVIOR, END_BUTTON_BEHAVIOR_VALIDATOR);
3319            VALIDATORS.put(ADVANCED_SETTINGS, ADVANCED_SETTINGS_VALIDATOR);
3320            VALIDATORS.put(SCREEN_AUTO_BRIGHTNESS_ADJ, SCREEN_AUTO_BRIGHTNESS_ADJ_VALIDATOR);
3321            VALIDATORS.put(VIBRATE_INPUT_DEVICES, VIBRATE_INPUT_DEVICES_VALIDATOR);
3322            VALIDATORS.put(VOLUME_MASTER_MUTE, VOLUME_MASTER_MUTE_VALIDATOR);
3323            VALIDATORS.put(MICROPHONE_MUTE, MICROPHONE_MUTE_VALIDATOR);
3324            VALIDATORS.put(NOTIFICATIONS_USE_RING_VOLUME, NOTIFICATIONS_USE_RING_VOLUME_VALIDATOR);
3325            VALIDATORS.put(VIBRATE_IN_SILENT, VIBRATE_IN_SILENT_VALIDATOR);
3326            VALIDATORS.put(MEDIA_BUTTON_RECEIVER, MEDIA_BUTTON_RECEIVER_VALIDATOR);
3327            VALIDATORS.put(HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
3328                    HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY_VALIDATOR);
3329            VALIDATORS.put(VIBRATE_WHEN_RINGING, VIBRATE_WHEN_RINGING_VALIDATOR);
3330            VALIDATORS.put(DTMF_TONE_TYPE_WHEN_DIALING, DTMF_TONE_TYPE_WHEN_DIALING_VALIDATOR);
3331            VALIDATORS.put(HEARING_AID, HEARING_AID_VALIDATOR);
3332            VALIDATORS.put(TTY_MODE, TTY_MODE_VALIDATOR);
3333            VALIDATORS.put(NOTIFICATION_LIGHT_PULSE, NOTIFICATION_LIGHT_PULSE_VALIDATOR);
3334            VALIDATORS.put(POINTER_LOCATION, POINTER_LOCATION_VALIDATOR);
3335            VALIDATORS.put(SHOW_TOUCHES, SHOW_TOUCHES_VALIDATOR);
3336            VALIDATORS.put(WINDOW_ORIENTATION_LISTENER_LOG,
3337                    WINDOW_ORIENTATION_LISTENER_LOG_VALIDATOR);
3338            VALIDATORS.put(LOCKSCREEN_SOUNDS_ENABLED, LOCKSCREEN_SOUNDS_ENABLED_VALIDATOR);
3339            VALIDATORS.put(LOCKSCREEN_DISABLED, LOCKSCREEN_DISABLED_VALIDATOR);
3340            VALIDATORS.put(SIP_RECEIVE_CALLS, SIP_RECEIVE_CALLS_VALIDATOR);
3341            VALIDATORS.put(SIP_CALL_OPTIONS, SIP_CALL_OPTIONS_VALIDATOR);
3342            VALIDATORS.put(SIP_ALWAYS, SIP_ALWAYS_VALIDATOR);
3343            VALIDATORS.put(SIP_ADDRESS_ONLY, SIP_ADDRESS_ONLY_VALIDATOR);
3344            VALIDATORS.put(SIP_ASK_ME_EACH_TIME, SIP_ASK_ME_EACH_TIME_VALIDATOR);
3345            VALIDATORS.put(POINTER_SPEED, POINTER_SPEED_VALIDATOR);
3346            VALIDATORS.put(LOCK_TO_APP_ENABLED, LOCK_TO_APP_ENABLED_VALIDATOR);
3347            VALIDATORS.put(EGG_MODE, EGG_MODE_VALIDATOR);
3348            VALIDATORS.put(WIFI_STATIC_IP, WIFI_STATIC_IP_VALIDATOR);
3349            VALIDATORS.put(WIFI_STATIC_GATEWAY, WIFI_STATIC_GATEWAY_VALIDATOR);
3350            VALIDATORS.put(WIFI_STATIC_NETMASK, WIFI_STATIC_NETMASK_VALIDATOR);
3351            VALIDATORS.put(WIFI_STATIC_DNS1, WIFI_STATIC_DNS1_VALIDATOR);
3352            VALIDATORS.put(WIFI_STATIC_DNS2, WIFI_STATIC_DNS2_VALIDATOR);
3353        }
3354
3355        /**
3356         * These entries are considered common between the personal and the managed profile,
3357         * since the managed profile doesn't get to change them.
3358         */
3359        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
3360        static {
3361            CLONE_TO_MANAGED_PROFILE.add(DATE_FORMAT);
3362            CLONE_TO_MANAGED_PROFILE.add(HAPTIC_FEEDBACK_ENABLED);
3363            CLONE_TO_MANAGED_PROFILE.add(SOUND_EFFECTS_ENABLED);
3364            CLONE_TO_MANAGED_PROFILE.add(TEXT_SHOW_PASSWORD);
3365            CLONE_TO_MANAGED_PROFILE.add(TIME_12_24);
3366        }
3367
3368        /** @hide */
3369        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
3370            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
3371        }
3372
3373        /**
3374         * When to use Wi-Fi calling
3375         *
3376         * @see android.telephony.TelephonyManager.WifiCallingChoices
3377         * @hide
3378         */
3379        public static final String WHEN_TO_MAKE_WIFI_CALLS = "when_to_make_wifi_calls";
3380
3381        // Settings moved to Settings.Secure
3382
3383        /**
3384         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED}
3385         * instead
3386         */
3387        @Deprecated
3388        public static final String ADB_ENABLED = Global.ADB_ENABLED;
3389
3390        /**
3391         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
3392         */
3393        @Deprecated
3394        public static final String ANDROID_ID = Secure.ANDROID_ID;
3395
3396        /**
3397         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
3398         */
3399        @Deprecated
3400        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
3401
3402        /**
3403         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
3404         */
3405        @Deprecated
3406        public static final String DATA_ROAMING = Global.DATA_ROAMING;
3407
3408        /**
3409         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
3410         */
3411        @Deprecated
3412        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
3413
3414        /**
3415         * @deprecated Use {@link android.provider.Settings.Global#HTTP_PROXY} instead
3416         */
3417        @Deprecated
3418        public static final String HTTP_PROXY = Global.HTTP_PROXY;
3419
3420        /**
3421         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
3422         */
3423        @Deprecated
3424        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
3425
3426        /**
3427         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
3428         * instead
3429         */
3430        @Deprecated
3431        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
3432
3433        /**
3434         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
3435         */
3436        @Deprecated
3437        public static final String LOGGING_ID = Secure.LOGGING_ID;
3438
3439        /**
3440         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
3441         */
3442        @Deprecated
3443        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
3444
3445        /**
3446         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
3447         * instead
3448         */
3449        @Deprecated
3450        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
3451
3452        /**
3453         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
3454         * instead
3455         */
3456        @Deprecated
3457        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
3458
3459        /**
3460         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
3461         * instead
3462         */
3463        @Deprecated
3464        public static final String PARENTAL_CONTROL_REDIRECT_URL =
3465            Secure.PARENTAL_CONTROL_REDIRECT_URL;
3466
3467        /**
3468         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
3469         */
3470        @Deprecated
3471        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
3472
3473        /**
3474         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
3475         */
3476        @Deprecated
3477        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
3478
3479        /**
3480         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
3481         */
3482        @Deprecated
3483        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
3484
3485       /**
3486         * @deprecated Use
3487         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
3488         */
3489        @Deprecated
3490        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
3491
3492        /**
3493         * @deprecated Use
3494         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
3495         */
3496        @Deprecated
3497        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3498                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
3499
3500        /**
3501         * @deprecated Use
3502         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
3503         */
3504        @Deprecated
3505        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3506                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
3507
3508        /**
3509         * @deprecated Use
3510         * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
3511         */
3512        @Deprecated
3513        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3514                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
3515
3516        /**
3517         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
3518         * instead
3519         */
3520        @Deprecated
3521        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
3522
3523        /**
3524         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON} instead
3525         */
3526        @Deprecated
3527        public static final String WIFI_ON = Global.WIFI_ON;
3528
3529        /**
3530         * @deprecated Use
3531         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
3532         * instead
3533         */
3534        @Deprecated
3535        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3536                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
3537
3538        /**
3539         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
3540         */
3541        @Deprecated
3542        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
3543
3544        /**
3545         * @deprecated Use
3546         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
3547         */
3548        @Deprecated
3549        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3550                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
3551
3552        /**
3553         * @deprecated Use
3554         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
3555         */
3556        @Deprecated
3557        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3558                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
3559
3560        /**
3561         * @deprecated Use
3562         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
3563         * instead
3564         */
3565        @Deprecated
3566        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3567                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
3568
3569        /**
3570         * @deprecated Use
3571         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
3572         */
3573        @Deprecated
3574        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3575            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
3576
3577        /**
3578         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
3579         * instead
3580         */
3581        @Deprecated
3582        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
3583
3584        /**
3585         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
3586         */
3587        @Deprecated
3588        public static final String WIFI_WATCHDOG_ON = Global.WIFI_WATCHDOG_ON;
3589
3590        /**
3591         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
3592         */
3593        @Deprecated
3594        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
3595
3596        /**
3597         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
3598         * instead
3599         */
3600        @Deprecated
3601        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
3602
3603        /**
3604         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
3605         * instead
3606         */
3607        @Deprecated
3608        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
3609            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
3610    }
3611
3612    /**
3613     * Secure system settings, containing system preferences that applications
3614     * can read but are not allowed to write.  These are for preferences that
3615     * the user must explicitly modify through the system UI or specialized
3616     * APIs for those values, not modified directly by applications.
3617     */
3618    public static final class Secure extends NameValueTable {
3619        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
3620
3621        /**
3622         * The content:// style URL for this table
3623         */
3624        public static final Uri CONTENT_URI =
3625            Uri.parse("content://" + AUTHORITY + "/secure");
3626
3627        // Populated lazily, guarded by class object:
3628        private static final NameValueCache sNameValueCache = new NameValueCache(
3629                SYS_PROP_SETTING_VERSION,
3630                CONTENT_URI,
3631                CALL_METHOD_GET_SECURE,
3632                CALL_METHOD_PUT_SECURE);
3633
3634        private static ILockSettings sLockSettings = null;
3635
3636        private static boolean sIsSystemProcess;
3637        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
3638        private static final HashSet<String> MOVED_TO_GLOBAL;
3639        static {
3640            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
3641            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
3642            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
3643            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
3644
3645            MOVED_TO_GLOBAL = new HashSet<String>();
3646            MOVED_TO_GLOBAL.add(Settings.Global.ADB_ENABLED);
3647            MOVED_TO_GLOBAL.add(Settings.Global.ASSISTED_GPS_ENABLED);
3648            MOVED_TO_GLOBAL.add(Settings.Global.BLUETOOTH_ON);
3649            MOVED_TO_GLOBAL.add(Settings.Global.BUGREPORT_IN_POWER_MENU);
3650            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_CELL_BROADCAST_SMS);
3651            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_ROAMING_MODE);
3652            MOVED_TO_GLOBAL.add(Settings.Global.CDMA_SUBSCRIPTION_MODE);
3653            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE);
3654            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI);
3655            MOVED_TO_GLOBAL.add(Settings.Global.DATA_ROAMING);
3656            MOVED_TO_GLOBAL.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED);
3657            MOVED_TO_GLOBAL.add(Settings.Global.DEVICE_PROVISIONED);
3658            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_DENSITY_FORCED);
3659            MOVED_TO_GLOBAL.add(Settings.Global.DISPLAY_SIZE_FORCED);
3660            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE);
3661            MOVED_TO_GLOBAL.add(Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE);
3662            MOVED_TO_GLOBAL.add(Settings.Global.MOBILE_DATA);
3663            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_BUCKET_DURATION);
3664            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_DELETE_AGE);
3665            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_PERSIST_BYTES);
3666            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_DEV_ROTATE_AGE);
3667            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_ENABLED);
3668            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES);
3669            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_POLL_INTERVAL);
3670            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_SAMPLE_ENABLED);
3671            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE);
3672            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_BUCKET_DURATION);
3673            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_DELETE_AGE);
3674            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_PERSIST_BYTES);
3675            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_ROTATE_AGE);
3676            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION);
3677            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_DELETE_AGE);
3678            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES);
3679            MOVED_TO_GLOBAL.add(Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE);
3680            MOVED_TO_GLOBAL.add(Settings.Global.NETWORK_PREFERENCE);
3681            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_DIFF);
3682            MOVED_TO_GLOBAL.add(Settings.Global.NITZ_UPDATE_SPACING);
3683            MOVED_TO_GLOBAL.add(Settings.Global.NTP_SERVER);
3684            MOVED_TO_GLOBAL.add(Settings.Global.NTP_TIMEOUT);
3685            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT);
3686            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS);
3687            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT);
3688            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS);
3689            MOVED_TO_GLOBAL.add(Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT);
3690            MOVED_TO_GLOBAL.add(Settings.Global.SAMPLING_PROFILER_MS);
3691            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL);
3692            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST);
3693            MOVED_TO_GLOBAL.add(Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL);
3694            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_APN);
3695            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_DUN_REQUIRED);
3696            MOVED_TO_GLOBAL.add(Settings.Global.TETHER_SUPPORTED);
3697            MOVED_TO_GLOBAL.add(Settings.Global.USB_MASS_STORAGE_ENABLED);
3698            MOVED_TO_GLOBAL.add(Settings.Global.USE_GOOGLE_MAIL);
3699            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_COUNTRY_CODE);
3700            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS);
3701            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_FREQUENCY_BAND);
3702            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_IDLE_MS);
3703            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT);
3704            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS);
3705            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3706            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
3707            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT);
3708            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ON);
3709            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_P2P_DEVICE_NAME);
3710            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SAVED_STATE);
3711            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS);
3712            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED);
3713            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_ENHANCED_AUTO_JOIN);
3714            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_NETWORK_SHOW_RSSI);
3715            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_ON);
3716            MOVED_TO_GLOBAL.add(Settings.Global.WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED);
3717            MOVED_TO_GLOBAL.add(Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON);
3718            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_ENABLE);
3719            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_TIMEOUT);
3720            MOVED_TO_GLOBAL.add(Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE);
3721            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS);
3722            MOVED_TO_GLOBAL.add(Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS);
3723            MOVED_TO_GLOBAL.add(Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS);
3724            MOVED_TO_GLOBAL.add(Settings.Global.WTF_IS_FATAL);
3725            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD);
3726            MOVED_TO_GLOBAL.add(Settings.Global.BATTERY_DISCHARGE_THRESHOLD);
3727            MOVED_TO_GLOBAL.add(Settings.Global.SEND_ACTION_APP_ERROR);
3728            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_AGE_SECONDS);
3729            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_MAX_FILES);
3730            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_KB);
3731            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_QUOTA_PERCENT);
3732            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_RESERVE_PERCENT);
3733            MOVED_TO_GLOBAL.add(Settings.Global.DROPBOX_TAG_PREFIX);
3734            MOVED_TO_GLOBAL.add(Settings.Global.ERROR_LOGCAT_PREFIX);
3735            MOVED_TO_GLOBAL.add(Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL);
3736            MOVED_TO_GLOBAL.add(Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD);
3737            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE);
3738            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES);
3739            MOVED_TO_GLOBAL.add(Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES);
3740            MOVED_TO_GLOBAL.add(Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS);
3741            MOVED_TO_GLOBAL.add(Settings.Global.CONNECTIVITY_CHANGE_DELAY);
3742            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_DETECTION_ENABLED);
3743            MOVED_TO_GLOBAL.add(Settings.Global.CAPTIVE_PORTAL_SERVER);
3744            MOVED_TO_GLOBAL.add(Settings.Global.NSD_ON);
3745            MOVED_TO_GLOBAL.add(Settings.Global.SET_INSTALL_LOCATION);
3746            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_INSTALL_LOCATION);
3747            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY);
3748            MOVED_TO_GLOBAL.add(Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY);
3749            MOVED_TO_GLOBAL.add(Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT);
3750            MOVED_TO_GLOBAL.add(Settings.Global.HTTP_PROXY);
3751            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_HOST);
3752            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_PORT);
3753            MOVED_TO_GLOBAL.add(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST);
3754            MOVED_TO_GLOBAL.add(Settings.Global.SET_GLOBAL_HTTP_PROXY);
3755            MOVED_TO_GLOBAL.add(Settings.Global.DEFAULT_DNS_SERVER);
3756            MOVED_TO_GLOBAL.add(Settings.Global.PREFERRED_NETWORK_MODE);
3757            MOVED_TO_GLOBAL.add(Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY);
3758        }
3759
3760        /** @hide */
3761        public static void getMovedToGlobalSettings(Set<String> outKeySet) {
3762            outKeySet.addAll(MOVED_TO_GLOBAL);
3763        }
3764
3765        /**
3766         * Look up a name in the database.
3767         * @param resolver to access the database with
3768         * @param name to look up in the table
3769         * @return the corresponding value, or null if not present
3770         */
3771        public static String getString(ContentResolver resolver, String name) {
3772            return getStringForUser(resolver, name, UserHandle.myUserId());
3773        }
3774
3775        /** @hide */
3776        public static String getStringForUser(ContentResolver resolver, String name,
3777                int userHandle) {
3778            if (MOVED_TO_GLOBAL.contains(name)) {
3779                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3780                        + " to android.provider.Settings.Global.");
3781                return Global.getStringForUser(resolver, name, userHandle);
3782            }
3783
3784            if (MOVED_TO_LOCK_SETTINGS.contains(name)) {
3785                synchronized (Secure.class) {
3786                    if (sLockSettings == null) {
3787                        sLockSettings = ILockSettings.Stub.asInterface(
3788                                (IBinder) ServiceManager.getService("lock_settings"));
3789                        sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
3790                    }
3791                }
3792                if (sLockSettings != null && !sIsSystemProcess) {
3793                    try {
3794                        return sLockSettings.getString(name, "0", userHandle);
3795                    } catch (RemoteException re) {
3796                        // Fall through
3797                    }
3798                }
3799            }
3800
3801            return sNameValueCache.getStringForUser(resolver, name, userHandle);
3802        }
3803
3804        /**
3805         * Store a name/value pair into the database.
3806         * @param resolver to access the database with
3807         * @param name to store
3808         * @param value to associate with the name
3809         * @return true if the value was set, false on database errors
3810         */
3811        public static boolean putString(ContentResolver resolver, String name, String value) {
3812            return putStringForUser(resolver, name, value, UserHandle.myUserId());
3813        }
3814
3815        /** @hide */
3816        public static boolean putStringForUser(ContentResolver resolver, String name, String value,
3817                int userHandle) {
3818            if (LOCATION_MODE.equals(name)) {
3819                // HACK ALERT: temporary hack to work around b/10491283.
3820                // TODO: once b/10491283 fixed, remove this hack
3821                return setLocationModeForUser(resolver, Integer.parseInt(value), userHandle);
3822            }
3823            if (MOVED_TO_GLOBAL.contains(name)) {
3824                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
3825                        + " to android.provider.Settings.Global");
3826                return Global.putStringForUser(resolver, name, value, userHandle);
3827            }
3828            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
3829        }
3830
3831        /**
3832         * Construct the content URI for a particular name/value pair,
3833         * useful for monitoring changes with a ContentObserver.
3834         * @param name to look up in the table
3835         * @return the corresponding content URI, or null if not present
3836         */
3837        public static Uri getUriFor(String name) {
3838            if (MOVED_TO_GLOBAL.contains(name)) {
3839                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Secure"
3840                        + " to android.provider.Settings.Global, returning global URI.");
3841                return Global.getUriFor(Global.CONTENT_URI, name);
3842            }
3843            return getUriFor(CONTENT_URI, name);
3844        }
3845
3846        /**
3847         * Convenience function for retrieving a single secure settings value
3848         * as an integer.  Note that internally setting values are always
3849         * stored as strings; this function converts the string to an integer
3850         * for you.  The default value will be returned if the setting is
3851         * not defined or not an integer.
3852         *
3853         * @param cr The ContentResolver to access.
3854         * @param name The name of the setting to retrieve.
3855         * @param def Value to return if the setting is not defined.
3856         *
3857         * @return The setting's current value, or 'def' if it is not defined
3858         * or not a valid integer.
3859         */
3860        public static int getInt(ContentResolver cr, String name, int def) {
3861            return getIntForUser(cr, name, def, UserHandle.myUserId());
3862        }
3863
3864        /** @hide */
3865        public static int getIntForUser(ContentResolver cr, String name, int def, int userHandle) {
3866            if (LOCATION_MODE.equals(name)) {
3867                // HACK ALERT: temporary hack to work around b/10491283.
3868                // TODO: once b/10491283 fixed, remove this hack
3869                return getLocationModeForUser(cr, userHandle);
3870            }
3871            String v = getStringForUser(cr, name, userHandle);
3872            try {
3873                return v != null ? Integer.parseInt(v) : def;
3874            } catch (NumberFormatException e) {
3875                return def;
3876            }
3877        }
3878
3879        /**
3880         * Convenience function for retrieving a single secure settings value
3881         * as an integer.  Note that internally setting values are always
3882         * stored as strings; this function converts the string to an integer
3883         * for you.
3884         * <p>
3885         * This version does not take a default value.  If the setting has not
3886         * been set, or the string value is not a number,
3887         * it throws {@link SettingNotFoundException}.
3888         *
3889         * @param cr The ContentResolver to access.
3890         * @param name The name of the setting to retrieve.
3891         *
3892         * @throws SettingNotFoundException Thrown if a setting by the given
3893         * name can't be found or the setting value is not an integer.
3894         *
3895         * @return The setting's current value.
3896         */
3897        public static int getInt(ContentResolver cr, String name)
3898                throws SettingNotFoundException {
3899            return getIntForUser(cr, name, UserHandle.myUserId());
3900        }
3901
3902        /** @hide */
3903        public static int getIntForUser(ContentResolver cr, String name, int userHandle)
3904                throws SettingNotFoundException {
3905            if (LOCATION_MODE.equals(name)) {
3906                // HACK ALERT: temporary hack to work around b/10491283.
3907                // TODO: once b/10491283 fixed, remove this hack
3908                return getLocationModeForUser(cr, userHandle);
3909            }
3910            String v = getStringForUser(cr, name, userHandle);
3911            try {
3912                return Integer.parseInt(v);
3913            } catch (NumberFormatException e) {
3914                throw new SettingNotFoundException(name);
3915            }
3916        }
3917
3918        /**
3919         * Convenience function for updating a single settings value as an
3920         * integer. This will either create a new entry in the table if the
3921         * given name does not exist, or modify the value of the existing row
3922         * with that name.  Note that internally setting values are always
3923         * stored as strings, so this function converts the given value to a
3924         * string before storing it.
3925         *
3926         * @param cr The ContentResolver to access.
3927         * @param name The name of the setting to modify.
3928         * @param value The new value for the setting.
3929         * @return true if the value was set, false on database errors
3930         */
3931        public static boolean putInt(ContentResolver cr, String name, int value) {
3932            return putIntForUser(cr, name, value, UserHandle.myUserId());
3933        }
3934
3935        /** @hide */
3936        public static boolean putIntForUser(ContentResolver cr, String name, int value,
3937                int userHandle) {
3938            return putStringForUser(cr, name, Integer.toString(value), userHandle);
3939        }
3940
3941        /**
3942         * Convenience function for retrieving a single secure settings value
3943         * as a {@code long}.  Note that internally setting values are always
3944         * stored as strings; this function converts the string to a {@code long}
3945         * for you.  The default value will be returned if the setting is
3946         * not defined or not a {@code long}.
3947         *
3948         * @param cr The ContentResolver to access.
3949         * @param name The name of the setting to retrieve.
3950         * @param def Value to return if the setting is not defined.
3951         *
3952         * @return The setting's current value, or 'def' if it is not defined
3953         * or not a valid {@code long}.
3954         */
3955        public static long getLong(ContentResolver cr, String name, long def) {
3956            return getLongForUser(cr, name, def, UserHandle.myUserId());
3957        }
3958
3959        /** @hide */
3960        public static long getLongForUser(ContentResolver cr, String name, long def,
3961                int userHandle) {
3962            String valString = getStringForUser(cr, name, userHandle);
3963            long value;
3964            try {
3965                value = valString != null ? Long.parseLong(valString) : def;
3966            } catch (NumberFormatException e) {
3967                value = def;
3968            }
3969            return value;
3970        }
3971
3972        /**
3973         * Convenience function for retrieving a single secure settings value
3974         * as a {@code long}.  Note that internally setting values are always
3975         * stored as strings; this function converts the string to a {@code long}
3976         * for you.
3977         * <p>
3978         * This version does not take a default value.  If the setting has not
3979         * been set, or the string value is not a number,
3980         * it throws {@link SettingNotFoundException}.
3981         *
3982         * @param cr The ContentResolver to access.
3983         * @param name The name of the setting to retrieve.
3984         *
3985         * @return The setting's current value.
3986         * @throws SettingNotFoundException Thrown if a setting by the given
3987         * name can't be found or the setting value is not an integer.
3988         */
3989        public static long getLong(ContentResolver cr, String name)
3990                throws SettingNotFoundException {
3991            return getLongForUser(cr, name, UserHandle.myUserId());
3992        }
3993
3994        /** @hide */
3995        public static long getLongForUser(ContentResolver cr, String name, int userHandle)
3996                throws SettingNotFoundException {
3997            String valString = getStringForUser(cr, name, userHandle);
3998            try {
3999                return Long.parseLong(valString);
4000            } catch (NumberFormatException e) {
4001                throw new SettingNotFoundException(name);
4002            }
4003        }
4004
4005        /**
4006         * Convenience function for updating a secure settings value as a long
4007         * integer. This will either create a new entry in the table if the
4008         * given name does not exist, or modify the value of the existing row
4009         * with that name.  Note that internally setting values are always
4010         * stored as strings, so this function converts the given value to a
4011         * string before storing it.
4012         *
4013         * @param cr The ContentResolver to access.
4014         * @param name The name of the setting to modify.
4015         * @param value The new value for the setting.
4016         * @return true if the value was set, false on database errors
4017         */
4018        public static boolean putLong(ContentResolver cr, String name, long value) {
4019            return putLongForUser(cr, name, value, UserHandle.myUserId());
4020        }
4021
4022        /** @hide */
4023        public static boolean putLongForUser(ContentResolver cr, String name, long value,
4024                int userHandle) {
4025            return putStringForUser(cr, name, Long.toString(value), userHandle);
4026        }
4027
4028        /**
4029         * Convenience function for retrieving a single secure settings value
4030         * as a floating point number.  Note that internally setting values are
4031         * always stored as strings; this function converts the string to an
4032         * float for you. The default value will be returned if the setting
4033         * is not defined or not a valid float.
4034         *
4035         * @param cr The ContentResolver to access.
4036         * @param name The name of the setting to retrieve.
4037         * @param def Value to return if the setting is not defined.
4038         *
4039         * @return The setting's current value, or 'def' if it is not defined
4040         * or not a valid float.
4041         */
4042        public static float getFloat(ContentResolver cr, String name, float def) {
4043            return getFloatForUser(cr, name, def, UserHandle.myUserId());
4044        }
4045
4046        /** @hide */
4047        public static float getFloatForUser(ContentResolver cr, String name, float def,
4048                int userHandle) {
4049            String v = getStringForUser(cr, name, userHandle);
4050            try {
4051                return v != null ? Float.parseFloat(v) : def;
4052            } catch (NumberFormatException e) {
4053                return def;
4054            }
4055        }
4056
4057        /**
4058         * Convenience function for retrieving a single secure settings value
4059         * as a float.  Note that internally setting values are always
4060         * stored as strings; this function converts the string to a float
4061         * for you.
4062         * <p>
4063         * This version does not take a default value.  If the setting has not
4064         * been set, or the string value is not a number,
4065         * it throws {@link SettingNotFoundException}.
4066         *
4067         * @param cr The ContentResolver to access.
4068         * @param name The name of the setting to retrieve.
4069         *
4070         * @throws SettingNotFoundException Thrown if a setting by the given
4071         * name can't be found or the setting value is not a float.
4072         *
4073         * @return The setting's current value.
4074         */
4075        public static float getFloat(ContentResolver cr, String name)
4076                throws SettingNotFoundException {
4077            return getFloatForUser(cr, name, UserHandle.myUserId());
4078        }
4079
4080        /** @hide */
4081        public static float getFloatForUser(ContentResolver cr, String name, int userHandle)
4082                throws SettingNotFoundException {
4083            String v = getStringForUser(cr, name, userHandle);
4084            if (v == null) {
4085                throw new SettingNotFoundException(name);
4086            }
4087            try {
4088                return Float.parseFloat(v);
4089            } catch (NumberFormatException e) {
4090                throw new SettingNotFoundException(name);
4091            }
4092        }
4093
4094        /**
4095         * Convenience function for updating a single settings value as a
4096         * floating point number. This will either create a new entry in the
4097         * table if the given name does not exist, or modify the value of the
4098         * existing row with that name.  Note that internally setting values
4099         * are always stored as strings, so this function converts the given
4100         * value to a string before storing it.
4101         *
4102         * @param cr The ContentResolver to access.
4103         * @param name The name of the setting to modify.
4104         * @param value The new value for the setting.
4105         * @return true if the value was set, false on database errors
4106         */
4107        public static boolean putFloat(ContentResolver cr, String name, float value) {
4108            return putFloatForUser(cr, name, value, UserHandle.myUserId());
4109        }
4110
4111        /** @hide */
4112        public static boolean putFloatForUser(ContentResolver cr, String name, float value,
4113                int userHandle) {
4114            return putStringForUser(cr, name, Float.toString(value), userHandle);
4115        }
4116
4117        /**
4118         * @deprecated Use {@link android.provider.Settings.Global#DEVELOPMENT_SETTINGS_ENABLED}
4119         * instead
4120         */
4121        @Deprecated
4122        public static final String DEVELOPMENT_SETTINGS_ENABLED =
4123                Global.DEVELOPMENT_SETTINGS_ENABLED;
4124
4125        /**
4126         * When the user has enable the option to have a "bug report" command
4127         * in the power menu.
4128         * @deprecated Use {@link android.provider.Settings.Global#BUGREPORT_IN_POWER_MENU} instead
4129         * @hide
4130         */
4131        @Deprecated
4132        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
4133
4134        /**
4135         * @deprecated Use {@link android.provider.Settings.Global#ADB_ENABLED} instead
4136         */
4137        @Deprecated
4138        public static final String ADB_ENABLED = Global.ADB_ENABLED;
4139
4140        /**
4141         * Setting to allow mock locations and location provider status to be injected into the
4142         * LocationManager service for testing purposes during application development.  These
4143         * locations and status values  override actual location and status information generated
4144         * by network, gps, or other location providers.
4145         *
4146         * @deprecated This settings is not used anymore.
4147         */
4148        @Deprecated
4149        public static final String ALLOW_MOCK_LOCATION = "mock_location";
4150
4151        /**
4152         * A 64-bit number (as a hex string) that is randomly
4153         * generated when the user first sets up the device and should remain
4154         * constant for the lifetime of the user's device. The value may
4155         * change if a factory reset is performed on the device.
4156         * <p class="note"><strong>Note:</strong> When a device has <a
4157         * href="{@docRoot}about/versions/android-4.2.html#MultipleUsers">multiple users</a>
4158         * (available on certain devices running Android 4.2 or higher), each user appears as a
4159         * completely separate device, so the {@code ANDROID_ID} value is unique to each
4160         * user.</p>
4161         */
4162        public static final String ANDROID_ID = "android_id";
4163
4164        /**
4165         * @deprecated Use {@link android.provider.Settings.Global#BLUETOOTH_ON} instead
4166         */
4167        @Deprecated
4168        public static final String BLUETOOTH_ON = Global.BLUETOOTH_ON;
4169
4170        /**
4171         * @deprecated Use {@link android.provider.Settings.Global#DATA_ROAMING} instead
4172         */
4173        @Deprecated
4174        public static final String DATA_ROAMING = Global.DATA_ROAMING;
4175
4176        /**
4177         * Setting to record the input method used by default, holding the ID
4178         * of the desired method.
4179         */
4180        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
4181
4182        /**
4183         * Setting to record the input method subtype used by default, holding the ID
4184         * of the desired method.
4185         */
4186        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
4187                "selected_input_method_subtype";
4188
4189        /**
4190         * Setting to record the history of input method subtype, holding the pair of ID of IME
4191         * and its last used subtype.
4192         * @hide
4193         */
4194        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
4195                "input_methods_subtype_history";
4196
4197        /**
4198         * Setting to record the visibility of input method selector
4199         */
4200        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
4201                "input_method_selector_visibility";
4202
4203        /**
4204         * The currently selected voice interaction service flattened ComponentName.
4205         * @hide
4206         */
4207        public static final String VOICE_INTERACTION_SERVICE = "voice_interaction_service";
4208
4209        /**
4210         * bluetooth HCI snoop log configuration
4211         * @hide
4212         */
4213        public static final String BLUETOOTH_HCI_LOG =
4214                "bluetooth_hci_log";
4215
4216        /**
4217         * @deprecated Use {@link android.provider.Settings.Global#DEVICE_PROVISIONED} instead
4218         */
4219        @Deprecated
4220        public static final String DEVICE_PROVISIONED = Global.DEVICE_PROVISIONED;
4221
4222        /**
4223         * Whether the current user has been set up via setup wizard (0 = false, 1 = true)
4224         * @hide
4225         */
4226        public static final String USER_SETUP_COMPLETE = "user_setup_complete";
4227
4228        /**
4229         * List of input methods that are currently enabled.  This is a string
4230         * containing the IDs of all enabled input methods, each ID separated
4231         * by ':'.
4232         */
4233        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
4234
4235        /**
4236         * List of system input methods that are currently disabled.  This is a string
4237         * containing the IDs of all disabled input methods, each ID separated
4238         * by ':'.
4239         * @hide
4240         */
4241        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
4242
4243        /**
4244         * Whether to show the IME when a hard keyboard is connected. This is a boolean that
4245         * determines if the IME should be shown when a hard keyboard is attached.
4246         * @hide
4247         */
4248        public static final String SHOW_IME_WITH_HARD_KEYBOARD = "show_ime_with_hard_keyboard";
4249
4250        /**
4251         * Host name and port for global http proxy. Uses ':' seperator for
4252         * between host and port.
4253         *
4254         * @deprecated Use {@link Global#HTTP_PROXY}
4255         */
4256        @Deprecated
4257        public static final String HTTP_PROXY = Global.HTTP_PROXY;
4258
4259        /**
4260         * Whether applications can be installed for this user via the system's
4261         * {@link Intent#ACTION_INSTALL_PACKAGE} mechanism.
4262         *
4263         * <p>1 = permit app installation via the system package installer intent
4264         * <p>0 = do not allow use of the package installer
4265         */
4266        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
4267
4268        /**
4269         * Comma-separated list of location providers that activities may access. Do not rely on
4270         * this value being present in settings.db or on ContentObserver notifications on the
4271         * corresponding Uri.
4272         *
4273         * @deprecated use {@link #LOCATION_MODE} and
4274         * {@link LocationManager#MODE_CHANGED_ACTION} (or
4275         * {@link LocationManager#PROVIDERS_CHANGED_ACTION})
4276         */
4277        @Deprecated
4278        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
4279
4280        /**
4281         * The degree of location access enabled by the user.
4282         * <p>
4283         * When used with {@link #putInt(ContentResolver, String, int)}, must be one of {@link
4284         * #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY}, {@link
4285         * #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}. When used with {@link
4286         * #getInt(ContentResolver, String)}, the caller must gracefully handle additional location
4287         * modes that might be added in the future.
4288         * <p>
4289         * Note: do not rely on this value being present in settings.db or on ContentObserver
4290         * notifications for the corresponding Uri. Use {@link LocationManager#MODE_CHANGED_ACTION}
4291         * to receive changes in this value.
4292         */
4293        public static final String LOCATION_MODE = "location_mode";
4294
4295        /**
4296         * Location access disabled.
4297         */
4298        public static final int LOCATION_MODE_OFF = 0;
4299        /**
4300         * Network Location Provider disabled, but GPS and other sensors enabled.
4301         */
4302        public static final int LOCATION_MODE_SENSORS_ONLY = 1;
4303        /**
4304         * Reduced power usage, such as limiting the number of GPS updates per hour. Requests
4305         * with {@link android.location.Criteria#POWER_HIGH} may be downgraded to
4306         * {@link android.location.Criteria#POWER_MEDIUM}.
4307         */
4308        public static final int LOCATION_MODE_BATTERY_SAVING = 2;
4309        /**
4310         * Best-effort location computation allowed.
4311         */
4312        public static final int LOCATION_MODE_HIGH_ACCURACY = 3;
4313
4314        /**
4315         * A flag containing settings used for biometric weak
4316         * @hide
4317         */
4318        @Deprecated
4319        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
4320                "lock_biometric_weak_flags";
4321
4322        /**
4323         * Whether lock-to-app will lock the keyguard when exiting.
4324         * @hide
4325         */
4326        public static final String LOCK_TO_APP_EXIT_LOCKED = "lock_to_app_exit_locked";
4327
4328        /**
4329         * Whether autolock is enabled (0 = false, 1 = true)
4330         *
4331         * @deprecated Use {@link android.app.KeyguardManager} to determine the state and security
4332         *             level of the keyguard.
4333         */
4334        @Deprecated
4335        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
4336
4337        /**
4338         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
4339         */
4340        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
4341
4342        /**
4343         * Whether lock pattern will vibrate as user enters (0 = false, 1 =
4344         * true)
4345         *
4346         * @deprecated Starting in {@link VERSION_CODES#JELLY_BEAN_MR1} the
4347         *             lockscreen uses
4348         *             {@link Settings.System#HAPTIC_FEEDBACK_ENABLED}.
4349         */
4350        @Deprecated
4351        public static final String
4352                LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED = "lock_pattern_tactile_feedback_enabled";
4353
4354        /**
4355         * This preference allows the device to be locked given time after screen goes off,
4356         * subject to current DeviceAdmin policy limits.
4357         * @hide
4358         */
4359        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
4360
4361
4362        /**
4363         * This preference contains the string that shows for owner info on LockScreen.
4364         * @hide
4365         * @deprecated
4366         */
4367        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
4368
4369        /**
4370         * Ids of the user-selected appwidgets on the lockscreen (comma-delimited).
4371         * @hide
4372         */
4373        @Deprecated
4374        public static final String LOCK_SCREEN_APPWIDGET_IDS =
4375            "lock_screen_appwidget_ids";
4376
4377        /**
4378         * Id of the appwidget shown on the lock screen when appwidgets are disabled.
4379         * @hide
4380         */
4381        @Deprecated
4382        public static final String LOCK_SCREEN_FALLBACK_APPWIDGET_ID =
4383            "lock_screen_fallback_appwidget_id";
4384
4385        /**
4386         * Index of the lockscreen appwidget to restore, -1 if none.
4387         * @hide
4388         */
4389        @Deprecated
4390        public static final String LOCK_SCREEN_STICKY_APPWIDGET =
4391            "lock_screen_sticky_appwidget";
4392
4393        /**
4394         * This preference enables showing the owner info on LockScreen.
4395         * @hide
4396         * @deprecated
4397         */
4398        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
4399            "lock_screen_owner_info_enabled";
4400
4401        /**
4402         * When set by a user, allows notifications to be shown atop a securely locked screen
4403         * in their full "private" form (same as when the device is unlocked).
4404         * @hide
4405         */
4406        public static final String LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS =
4407                "lock_screen_allow_private_notifications";
4408
4409        /**
4410         * Set by the system to track if the user needs to see the call to action for
4411         * the lockscreen notification policy.
4412         * @hide
4413         */
4414        public static final String SHOW_NOTE_ABOUT_NOTIFICATION_HIDING =
4415                "show_note_about_notification_hiding";
4416
4417        /**
4418         * Set to 1 by the system after trust agents have been initialized.
4419         * @hide
4420         */
4421        public static final String TRUST_AGENTS_INITIALIZED =
4422                "trust_agents_initialized";
4423
4424        /**
4425         * The Logging ID (a unique 64-bit value) as a hex string.
4426         * Used as a pseudonymous identifier for logging.
4427         * @deprecated This identifier is poorly initialized and has
4428         * many collisions.  It should not be used.
4429         */
4430        @Deprecated
4431        public static final String LOGGING_ID = "logging_id";
4432
4433        /**
4434         * @deprecated Use {@link android.provider.Settings.Global#NETWORK_PREFERENCE} instead
4435         */
4436        @Deprecated
4437        public static final String NETWORK_PREFERENCE = Global.NETWORK_PREFERENCE;
4438
4439        /**
4440         * No longer supported.
4441         */
4442        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
4443
4444        /**
4445         * No longer supported.
4446         */
4447        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
4448
4449        /**
4450         * No longer supported.
4451         */
4452        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
4453
4454        /**
4455         * Settings classname to launch when Settings is clicked from All
4456         * Applications.  Needed because of user testing between the old
4457         * and new Settings apps.
4458         */
4459        // TODO: 881807
4460        public static final String SETTINGS_CLASSNAME = "settings_classname";
4461
4462        /**
4463         * @deprecated Use {@link android.provider.Settings.Global#USB_MASS_STORAGE_ENABLED} instead
4464         */
4465        @Deprecated
4466        public static final String USB_MASS_STORAGE_ENABLED = Global.USB_MASS_STORAGE_ENABLED;
4467
4468        /**
4469         * @deprecated Use {@link android.provider.Settings.Global#USE_GOOGLE_MAIL} instead
4470         */
4471        @Deprecated
4472        public static final String USE_GOOGLE_MAIL = Global.USE_GOOGLE_MAIL;
4473
4474        /**
4475         * If accessibility is enabled.
4476         */
4477        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
4478
4479        /**
4480         * If touch exploration is enabled.
4481         */
4482        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
4483
4484        /**
4485         * List of the enabled accessibility providers.
4486         */
4487        public static final String ENABLED_ACCESSIBILITY_SERVICES =
4488            "enabled_accessibility_services";
4489
4490        /**
4491         * List of the accessibility services to which the user has granted
4492         * permission to put the device into touch exploration mode.
4493         *
4494         * @hide
4495         */
4496        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
4497            "touch_exploration_granted_accessibility_services";
4498
4499        /**
4500         * Whether to speak passwords while in accessibility mode.
4501         */
4502        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
4503
4504        /**
4505         * Whether to draw text with high contrast while in accessibility mode.
4506         *
4507         * @hide
4508         */
4509        public static final String ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED =
4510                "high_text_contrast_enabled";
4511
4512        /**
4513         * If injection of accessibility enhancing JavaScript screen-reader
4514         * is enabled.
4515         * <p>
4516         *   Note: The JavaScript based screen-reader is served by the
4517         *   Google infrastructure and enable users with disabilities to
4518         *   efficiently navigate in and explore web content.
4519         * </p>
4520         * <p>
4521         *   This property represents a boolean value.
4522         * </p>
4523         * @hide
4524         */
4525        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
4526            "accessibility_script_injection";
4527
4528        /**
4529         * The URL for the injected JavaScript based screen-reader used
4530         * for providing accessibility of content in WebView.
4531         * <p>
4532         *   Note: The JavaScript based screen-reader is served by the
4533         *   Google infrastructure and enable users with disabilities to
4534         *   efficiently navigate in and explore web content.
4535         * </p>
4536         * <p>
4537         *   This property represents a string value.
4538         * </p>
4539         * @hide
4540         */
4541        public static final String ACCESSIBILITY_SCREEN_READER_URL =
4542            "accessibility_script_injection_url";
4543
4544        /**
4545         * Key bindings for navigation in built-in accessibility support for web content.
4546         * <p>
4547         *   Note: These key bindings are for the built-in accessibility navigation for
4548         *   web content which is used as a fall back solution if JavaScript in a WebView
4549         *   is not enabled or the user has not opted-in script injection from Google.
4550         * </p>
4551         * <p>
4552         *   The bindings are separated by semi-colon. A binding is a mapping from
4553         *   a key to a sequence of actions (for more details look at
4554         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
4555         *   string representation of an integer obtained from a meta state (optional) shifted
4556         *   sixteen times left and bitwise ored with a key code. An action is represented
4557         *   as a hexademical string representation of an integer where the first two digits
4558         *   are navigation action index, the second, the third, and the fourth digit pairs
4559         *   represent the action arguments. The separate actions in a binding are colon
4560         *   separated. The key and the action sequence it maps to are separated by equals.
4561         * </p>
4562         * <p>
4563         *   For example, the binding below maps the DPAD right button to traverse the
4564         *   current navigation axis once without firing an accessibility event and to
4565         *   perform the same traversal again but to fire an event:
4566         *   <code>
4567         *     0x16=0x01000100:0x01000101;
4568         *   </code>
4569         * </p>
4570         * <p>
4571         *   The goal of this binding is to enable dynamic rebinding of keys to
4572         *   navigation actions for web content without requiring a framework change.
4573         * </p>
4574         * <p>
4575         *   This property represents a string value.
4576         * </p>
4577         * @hide
4578         */
4579        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
4580            "accessibility_web_content_key_bindings";
4581
4582        /**
4583         * Setting that specifies whether the display magnification is enabled.
4584         * Display magnifications allows the user to zoom in the display content
4585         * and is targeted to low vision users. The current magnification scale
4586         * is controlled by {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE}.
4587         *
4588         * @hide
4589         */
4590        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED =
4591                "accessibility_display_magnification_enabled";
4592
4593        /**
4594         * Setting that specifies what the display magnification scale is.
4595         * Display magnifications allows the user to zoom in the display
4596         * content and is targeted to low vision users. Whether a display
4597         * magnification is performed is controlled by
4598         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4599         *
4600         * @hide
4601         */
4602        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE =
4603                "accessibility_display_magnification_scale";
4604
4605        /**
4606         * Setting that specifies whether the display magnification should be
4607         * automatically updated. If this fearture is enabled the system will
4608         * exit magnification mode or pan the viewport when a context change
4609         * occurs. For example, on staring a new activity or rotating the screen,
4610         * the system may zoom out so the user can see the new context he is in.
4611         * Another example is on showing a window that is not visible in the
4612         * magnified viewport the system may pan the viewport to make the window
4613         * the has popped up so the user knows that the context has changed.
4614         * Whether a screen magnification is performed is controlled by
4615         * {@link #ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED}
4616         *
4617         * @hide
4618         */
4619        public static final String ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE =
4620                "accessibility_display_magnification_auto_update";
4621
4622        /**
4623         * Setting that specifies whether timed text (captions) should be
4624         * displayed in video content. Text display properties are controlled by
4625         * the following settings:
4626         * <ul>
4627         * <li>{@link #ACCESSIBILITY_CAPTIONING_LOCALE}
4628         * <li>{@link #ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR}
4629         * <li>{@link #ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR}
4630         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_COLOR}
4631         * <li>{@link #ACCESSIBILITY_CAPTIONING_EDGE_TYPE}
4632         * <li>{@link #ACCESSIBILITY_CAPTIONING_TYPEFACE}
4633         * <li>{@link #ACCESSIBILITY_CAPTIONING_FONT_SCALE}
4634         * </ul>
4635         *
4636         * @hide
4637         */
4638        public static final String ACCESSIBILITY_CAPTIONING_ENABLED =
4639                "accessibility_captioning_enabled";
4640
4641        /**
4642         * Setting that specifies the language for captions as a locale string,
4643         * e.g. en_US.
4644         *
4645         * @see java.util.Locale#toString
4646         * @hide
4647         */
4648        public static final String ACCESSIBILITY_CAPTIONING_LOCALE =
4649                "accessibility_captioning_locale";
4650
4651        /**
4652         * Integer property that specifies the preset style for captions, one
4653         * of:
4654         * <ul>
4655         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESET_CUSTOM}
4656         * <li>a valid index of {@link android.view.accessibility.CaptioningManager.CaptionStyle#PRESETS}
4657         * </ul>
4658         *
4659         * @see java.util.Locale#toString
4660         * @hide
4661         */
4662        public static final String ACCESSIBILITY_CAPTIONING_PRESET =
4663                "accessibility_captioning_preset";
4664
4665        /**
4666         * Integer property that specifes the background color for captions as a
4667         * packed 32-bit color.
4668         *
4669         * @see android.graphics.Color#argb
4670         * @hide
4671         */
4672        public static final String ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR =
4673                "accessibility_captioning_background_color";
4674
4675        /**
4676         * Integer property that specifes the foreground color for captions as a
4677         * packed 32-bit color.
4678         *
4679         * @see android.graphics.Color#argb
4680         * @hide
4681         */
4682        public static final String ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR =
4683                "accessibility_captioning_foreground_color";
4684
4685        /**
4686         * Integer property that specifes the edge type for captions, one of:
4687         * <ul>
4688         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_NONE}
4689         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_OUTLINE}
4690         * <li>{@link android.view.accessibility.CaptioningManager.CaptionStyle#EDGE_TYPE_DROP_SHADOW}
4691         * </ul>
4692         *
4693         * @see #ACCESSIBILITY_CAPTIONING_EDGE_COLOR
4694         * @hide
4695         */
4696        public static final String ACCESSIBILITY_CAPTIONING_EDGE_TYPE =
4697                "accessibility_captioning_edge_type";
4698
4699        /**
4700         * Integer property that specifes the edge color for captions as a
4701         * packed 32-bit color.
4702         *
4703         * @see #ACCESSIBILITY_CAPTIONING_EDGE_TYPE
4704         * @see android.graphics.Color#argb
4705         * @hide
4706         */
4707        public static final String ACCESSIBILITY_CAPTIONING_EDGE_COLOR =
4708                "accessibility_captioning_edge_color";
4709
4710        /**
4711         * Integer property that specifes the window color for captions as a
4712         * packed 32-bit color.
4713         *
4714         * @see android.graphics.Color#argb
4715         * @hide
4716         */
4717        public static final String ACCESSIBILITY_CAPTIONING_WINDOW_COLOR =
4718                "accessibility_captioning_window_color";
4719
4720        /**
4721         * String property that specifies the typeface for captions, one of:
4722         * <ul>
4723         * <li>DEFAULT
4724         * <li>MONOSPACE
4725         * <li>SANS_SERIF
4726         * <li>SERIF
4727         * </ul>
4728         *
4729         * @see android.graphics.Typeface
4730         * @hide
4731         */
4732        public static final String ACCESSIBILITY_CAPTIONING_TYPEFACE =
4733                "accessibility_captioning_typeface";
4734
4735        /**
4736         * Floating point property that specifies font scaling for captions.
4737         *
4738         * @hide
4739         */
4740        public static final String ACCESSIBILITY_CAPTIONING_FONT_SCALE =
4741                "accessibility_captioning_font_scale";
4742
4743        /**
4744         * Setting that specifies whether display color inversion is enabled.
4745         */
4746        public static final String ACCESSIBILITY_DISPLAY_INVERSION_ENABLED =
4747                "accessibility_display_inversion_enabled";
4748
4749        /**
4750         * Setting that specifies whether display color space adjustment is
4751         * enabled.
4752         *
4753         * @hide
4754         */
4755        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED =
4756                "accessibility_display_daltonizer_enabled";
4757
4758        /**
4759         * Integer property that specifies the type of color space adjustment to
4760         * perform. Valid values are defined in AccessibilityManager.
4761         *
4762         * @hide
4763         */
4764        public static final String ACCESSIBILITY_DISPLAY_DALTONIZER =
4765                "accessibility_display_daltonizer";
4766
4767        /**
4768         * The timout for considering a press to be a long press in milliseconds.
4769         * @hide
4770         */
4771        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
4772
4773        /**
4774         * List of the enabled print services.
4775         * @hide
4776         */
4777        public static final String ENABLED_PRINT_SERVICES =
4778            "enabled_print_services";
4779
4780        /**
4781         * List of the system print services we enabled on first boot. On
4782         * first boot we enable all system, i.e. bundled print services,
4783         * once, so they work out-of-the-box.
4784         * @hide
4785         */
4786        public static final String ENABLED_ON_FIRST_BOOT_SYSTEM_PRINT_SERVICES =
4787            "enabled_on_first_boot_system_print_services";
4788
4789        /**
4790         * Setting to always use the default text-to-speech settings regardless
4791         * of the application settings.
4792         * 1 = override application settings,
4793         * 0 = use application settings (if specified).
4794         *
4795         * @deprecated  The value of this setting is no longer respected by
4796         * the framework text to speech APIs as of the Ice Cream Sandwich release.
4797         */
4798        @Deprecated
4799        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
4800
4801        /**
4802         * Default text-to-speech engine speech rate. 100 = 1x
4803         */
4804        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
4805
4806        /**
4807         * Default text-to-speech engine pitch. 100 = 1x
4808         */
4809        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
4810
4811        /**
4812         * Default text-to-speech engine.
4813         */
4814        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
4815
4816        /**
4817         * Default text-to-speech language.
4818         *
4819         * @deprecated this setting is no longer in use, as of the Ice Cream
4820         * Sandwich release. Apps should never need to read this setting directly,
4821         * instead can query the TextToSpeech framework classes for the default
4822         * locale. {@link TextToSpeech#getLanguage()}.
4823         */
4824        @Deprecated
4825        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
4826
4827        /**
4828         * Default text-to-speech country.
4829         *
4830         * @deprecated this setting is no longer in use, as of the Ice Cream
4831         * Sandwich release. Apps should never need to read this setting directly,
4832         * instead can query the TextToSpeech framework classes for the default
4833         * locale. {@link TextToSpeech#getLanguage()}.
4834         */
4835        @Deprecated
4836        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
4837
4838        /**
4839         * Default text-to-speech locale variant.
4840         *
4841         * @deprecated this setting is no longer in use, as of the Ice Cream
4842         * Sandwich release. Apps should never need to read this setting directly,
4843         * instead can query the TextToSpeech framework classes for the
4844         * locale that is in use {@link TextToSpeech#getLanguage()}.
4845         */
4846        @Deprecated
4847        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
4848
4849        /**
4850         * Stores the default tts locales on a per engine basis. Stored as
4851         * a comma seperated list of values, each value being of the form
4852         * {@code engine_name:locale} for example,
4853         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
4854         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
4855         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
4856         * setting directly, and can query the TextToSpeech framework classes
4857         * for the locale that is in use.
4858         *
4859         * @hide
4860         */
4861        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
4862
4863        /**
4864         * Space delimited list of plugin packages that are enabled.
4865         */
4866        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
4867
4868        /**
4869         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON}
4870         * instead.
4871         */
4872        @Deprecated
4873        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
4874                Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
4875
4876        /**
4877         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY}
4878         * instead.
4879         */
4880        @Deprecated
4881        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
4882                Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
4883
4884        /**
4885         * @deprecated Use {@link android.provider.Settings.Global#WIFI_NUM_OPEN_NETWORKS_KEPT}
4886         * instead.
4887         */
4888        @Deprecated
4889        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT =
4890                Global.WIFI_NUM_OPEN_NETWORKS_KEPT;
4891
4892        /**
4893         * @deprecated Use {@link android.provider.Settings.Global#WIFI_ON}
4894         * instead.
4895         */
4896        @Deprecated
4897        public static final String WIFI_ON = Global.WIFI_ON;
4898
4899        /**
4900         * The acceptable packet loss percentage (range 0 - 100) before trying
4901         * another AP on the same network.
4902         * @deprecated This setting is not used.
4903         */
4904        @Deprecated
4905        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
4906                "wifi_watchdog_acceptable_packet_loss_percentage";
4907
4908        /**
4909         * The number of access points required for a network in order for the
4910         * watchdog to monitor it.
4911         * @deprecated This setting is not used.
4912         */
4913        @Deprecated
4914        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
4915
4916        /**
4917         * The delay between background checks.
4918         * @deprecated This setting is not used.
4919         */
4920        @Deprecated
4921        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
4922                "wifi_watchdog_background_check_delay_ms";
4923
4924        /**
4925         * Whether the Wi-Fi watchdog is enabled for background checking even
4926         * after it thinks the user has connected to a good access point.
4927         * @deprecated This setting is not used.
4928         */
4929        @Deprecated
4930        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
4931                "wifi_watchdog_background_check_enabled";
4932
4933        /**
4934         * The timeout for a background ping
4935         * @deprecated This setting is not used.
4936         */
4937        @Deprecated
4938        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
4939                "wifi_watchdog_background_check_timeout_ms";
4940
4941        /**
4942         * The number of initial pings to perform that *may* be ignored if they
4943         * fail. Again, if these fail, they will *not* be used in packet loss
4944         * calculation. For example, one network always seemed to time out for
4945         * the first couple pings, so this is set to 3 by default.
4946         * @deprecated This setting is not used.
4947         */
4948        @Deprecated
4949        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
4950            "wifi_watchdog_initial_ignored_ping_count";
4951
4952        /**
4953         * The maximum number of access points (per network) to attempt to test.
4954         * If this number is reached, the watchdog will no longer monitor the
4955         * initial connection state for the network. This is a safeguard for
4956         * networks containing multiple APs whose DNS does not respond to pings.
4957         * @deprecated This setting is not used.
4958         */
4959        @Deprecated
4960        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
4961
4962        /**
4963         * @deprecated Use {@link android.provider.Settings.Global#WIFI_WATCHDOG_ON} instead
4964         */
4965        @Deprecated
4966        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
4967
4968        /**
4969         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
4970         * @deprecated This setting is not used.
4971         */
4972        @Deprecated
4973        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
4974
4975        /**
4976         * The number of pings to test if an access point is a good connection.
4977         * @deprecated This setting is not used.
4978         */
4979        @Deprecated
4980        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
4981
4982        /**
4983         * The delay between pings.
4984         * @deprecated This setting is not used.
4985         */
4986        @Deprecated
4987        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
4988
4989        /**
4990         * The timeout per ping.
4991         * @deprecated This setting is not used.
4992         */
4993        @Deprecated
4994        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
4995
4996        /**
4997         * @deprecated Use
4998         * {@link android.provider.Settings.Global#WIFI_MAX_DHCP_RETRY_COUNT} instead
4999         */
5000        @Deprecated
5001        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Global.WIFI_MAX_DHCP_RETRY_COUNT;
5002
5003        /**
5004         * @deprecated Use
5005         * {@link android.provider.Settings.Global#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
5006         */
5007        @Deprecated
5008        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
5009                Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
5010
5011        /**
5012         * The number of milliseconds to hold on to a PendingIntent based request. This delay gives
5013         * the receivers of the PendingIntent an opportunity to make a new network request before
5014         * the Network satisfying the request is potentially removed.
5015         *
5016         * @hide
5017         */
5018        public static final String CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS =
5019                "connectivity_release_pending_intent_delay_ms";
5020
5021        /**
5022         * Whether background data usage is allowed.
5023         *
5024         * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH},
5025         *             availability of background data depends on several
5026         *             combined factors. When background data is unavailable,
5027         *             {@link ConnectivityManager#getActiveNetworkInfo()} will
5028         *             now appear disconnected.
5029         */
5030        @Deprecated
5031        public static final String BACKGROUND_DATA = "background_data";
5032
5033        /**
5034         * Origins for which browsers should allow geolocation by default.
5035         * The value is a space-separated list of origins.
5036         */
5037        public static final String ALLOWED_GEOLOCATION_ORIGINS
5038                = "allowed_geolocation_origins";
5039
5040        /**
5041         * The preferred TTY mode     0 = TTy Off, CDMA default
5042         *                            1 = TTY Full
5043         *                            2 = TTY HCO
5044         *                            3 = TTY VCO
5045         * @hide
5046         */
5047        public static final String PREFERRED_TTY_MODE =
5048                "preferred_tty_mode";
5049
5050        /**
5051         * Whether the enhanced voice privacy mode is enabled.
5052         * 0 = normal voice privacy
5053         * 1 = enhanced voice privacy
5054         * @hide
5055         */
5056        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
5057
5058        /**
5059         * Whether the TTY mode mode is enabled.
5060         * 0 = disabled
5061         * 1 = enabled
5062         * @hide
5063         */
5064        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
5065
5066        /**
5067         * Controls whether settings backup is enabled.
5068         * Type: int ( 0 = disabled, 1 = enabled )
5069         * @hide
5070         */
5071        public static final String BACKUP_ENABLED = "backup_enabled";
5072
5073        /**
5074         * Controls whether application data is automatically restored from backup
5075         * at install time.
5076         * Type: int ( 0 = disabled, 1 = enabled )
5077         * @hide
5078         */
5079        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
5080
5081        /**
5082         * Indicates whether settings backup has been fully provisioned.
5083         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
5084         * @hide
5085         */
5086        public static final String BACKUP_PROVISIONED = "backup_provisioned";
5087
5088        /**
5089         * Component of the transport to use for backup/restore.
5090         * @hide
5091         */
5092        public static final String BACKUP_TRANSPORT = "backup_transport";
5093
5094        /**
5095         * Version for which the setup wizard was last shown.  Bumped for
5096         * each release when there is new setup information to show.
5097         * @hide
5098         */
5099        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
5100
5101        /**
5102         * The interval in milliseconds after which Wi-Fi is considered idle.
5103         * When idle, it is possible for the device to be switched from Wi-Fi to
5104         * the mobile data network.
5105         * @hide
5106         * @deprecated Use {@link android.provider.Settings.Global#WIFI_IDLE_MS}
5107         * instead.
5108         */
5109        @Deprecated
5110        public static final String WIFI_IDLE_MS = Global.WIFI_IDLE_MS;
5111
5112        /**
5113         * The global search provider chosen by the user (if multiple global
5114         * search providers are installed). This will be the provider returned
5115         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
5116         * installed. This setting is stored as a flattened component name as
5117         * per {@link ComponentName#flattenToString()}.
5118         *
5119         * @hide
5120         */
5121        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
5122                "search_global_search_activity";
5123
5124        /**
5125         * The number of promoted sources in GlobalSearch.
5126         * @hide
5127         */
5128        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
5129        /**
5130         * The maximum number of suggestions returned by GlobalSearch.
5131         * @hide
5132         */
5133        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
5134        /**
5135         * The number of suggestions GlobalSearch will ask each non-web search source for.
5136         * @hide
5137         */
5138        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
5139        /**
5140         * The number of suggestions the GlobalSearch will ask the web search source for.
5141         * @hide
5142         */
5143        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
5144                "search_web_results_override_limit";
5145        /**
5146         * The number of milliseconds that GlobalSearch will wait for suggestions from
5147         * promoted sources before continuing with all other sources.
5148         * @hide
5149         */
5150        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
5151                "search_promoted_source_deadline_millis";
5152        /**
5153         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
5154         * @hide
5155         */
5156        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
5157        /**
5158         * The maximum number of milliseconds that GlobalSearch shows the previous results
5159         * after receiving a new query.
5160         * @hide
5161         */
5162        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
5163        /**
5164         * The maximum age of log data used for shortcuts in GlobalSearch.
5165         * @hide
5166         */
5167        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
5168        /**
5169         * The maximum age of log data used for source ranking in GlobalSearch.
5170         * @hide
5171         */
5172        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
5173                "search_max_source_event_age_millis";
5174        /**
5175         * The minimum number of impressions needed to rank a source in GlobalSearch.
5176         * @hide
5177         */
5178        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
5179                "search_min_impressions_for_source_ranking";
5180        /**
5181         * The minimum number of clicks needed to rank a source in GlobalSearch.
5182         * @hide
5183         */
5184        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
5185                "search_min_clicks_for_source_ranking";
5186        /**
5187         * The maximum number of shortcuts shown by GlobalSearch.
5188         * @hide
5189         */
5190        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
5191        /**
5192         * The size of the core thread pool for suggestion queries in GlobalSearch.
5193         * @hide
5194         */
5195        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
5196                "search_query_thread_core_pool_size";
5197        /**
5198         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
5199         * @hide
5200         */
5201        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
5202                "search_query_thread_max_pool_size";
5203        /**
5204         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
5205         * @hide
5206         */
5207        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
5208                "search_shortcut_refresh_core_pool_size";
5209        /**
5210         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
5211         * @hide
5212         */
5213        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
5214                "search_shortcut_refresh_max_pool_size";
5215        /**
5216         * The maximun time that excess threads in the GlobalSeach thread pools will
5217         * wait before terminating.
5218         * @hide
5219         */
5220        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
5221                "search_thread_keepalive_seconds";
5222        /**
5223         * The maximum number of concurrent suggestion queries to each source.
5224         * @hide
5225         */
5226        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
5227                "search_per_source_concurrent_query_limit";
5228
5229        /**
5230         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
5231         * @hide
5232         */
5233        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
5234
5235        /**
5236         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
5237         * @hide
5238         */
5239        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
5240
5241        /**
5242         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
5243         * @hide
5244         */
5245        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
5246
5247        /**
5248         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
5249         * @hide
5250         */
5251        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
5252
5253        /**
5254         * If nonzero, ANRs in invisible background processes bring up a dialog.
5255         * Otherwise, the process will be silently killed.
5256         * @hide
5257         */
5258        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
5259
5260        /**
5261         * The {@link ComponentName} string of the service to be used as the voice recognition
5262         * service.
5263         *
5264         * @hide
5265         */
5266        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
5267
5268        /**
5269         * Stores whether an user has consented to have apps verified through PAM.
5270         * The value is boolean (1 or 0).
5271         *
5272         * @hide
5273         */
5274        public static final String PACKAGE_VERIFIER_USER_CONSENT =
5275            "package_verifier_user_consent";
5276
5277        /**
5278         * The {@link ComponentName} string of the selected spell checker service which is
5279         * one of the services managed by the text service manager.
5280         *
5281         * @hide
5282         */
5283        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
5284
5285        /**
5286         * The {@link ComponentName} string of the selected subtype of the selected spell checker
5287         * service which is one of the services managed by the text service manager.
5288         *
5289         * @hide
5290         */
5291        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
5292                "selected_spell_checker_subtype";
5293
5294        /**
5295         * The {@link ComponentName} string whether spell checker is enabled or not.
5296         *
5297         * @hide
5298         */
5299        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
5300
5301        /**
5302         * What happens when the user presses the Power button while in-call
5303         * and the screen is on.<br/>
5304         * <b>Values:</b><br/>
5305         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
5306         * 2 - The Power button hangs up the current call.<br/>
5307         *
5308         * @hide
5309         */
5310        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
5311
5312        /**
5313         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
5314         * @hide
5315         */
5316        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
5317
5318        /**
5319         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
5320         * @hide
5321         */
5322        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
5323
5324        /**
5325         * INCALL_POWER_BUTTON_BEHAVIOR default value.
5326         * @hide
5327         */
5328        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
5329                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
5330
5331        /**
5332         * Whether the device should wake when the wake gesture sensor detects motion.
5333         * @hide
5334         */
5335        public static final String WAKE_GESTURE_ENABLED = "wake_gesture_enabled";
5336
5337        /**
5338         * Whether the device should doze if configured.
5339         * @hide
5340         */
5341        public static final String DOZE_ENABLED = "doze_enabled";
5342
5343        /**
5344         * The current night mode that has been selected by the user.  Owned
5345         * and controlled by UiModeManagerService.  Constants are as per
5346         * UiModeManager.
5347         * @hide
5348         */
5349        public static final String UI_NIGHT_MODE = "ui_night_mode";
5350
5351        /**
5352         * Whether screensavers are enabled.
5353         * @hide
5354         */
5355        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
5356
5357        /**
5358         * The user's chosen screensaver components.
5359         *
5360         * These will be launched by the PhoneWindowManager after a timeout when not on
5361         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
5362         * @hide
5363         */
5364        public static final String SCREENSAVER_COMPONENTS = "screensaver_components";
5365
5366        /**
5367         * If screensavers are enabled, whether the screensaver should be automatically launched
5368         * when the device is inserted into a (desk) dock.
5369         * @hide
5370         */
5371        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
5372
5373        /**
5374         * If screensavers are enabled, whether the screensaver should be automatically launched
5375         * when the screen times out when not on battery.
5376         * @hide
5377         */
5378        public static final String SCREENSAVER_ACTIVATE_ON_SLEEP = "screensaver_activate_on_sleep";
5379
5380        /**
5381         * If screensavers are enabled, the default screensaver component.
5382         * @hide
5383         */
5384        public static final String SCREENSAVER_DEFAULT_COMPONENT = "screensaver_default_component";
5385
5386        /**
5387         * The default NFC payment component
5388         * @hide
5389         */
5390        public static final String NFC_PAYMENT_DEFAULT_COMPONENT = "nfc_payment_default_component";
5391
5392        /**
5393         * Whether NFC payment is handled by the foreground application or a default.
5394         * @hide
5395         */
5396        public static final String NFC_PAYMENT_FOREGROUND = "nfc_payment_foreground";
5397
5398        /**
5399         * Specifies the package name currently configured to be the primary sms application
5400         * @hide
5401         */
5402        public static final String SMS_DEFAULT_APPLICATION = "sms_default_application";
5403
5404        /**
5405         * Specifies the package name currently configured to be the default dialer application
5406         * @hide
5407         */
5408        public static final String DIALER_DEFAULT_APPLICATION = "dialer_default_application";
5409
5410        /**
5411         * Specifies the package name currently configured to be the emergency assistance application
5412         *
5413         * @see android.telephony.TelephonyManager#ACTION_EMERGENCY_ASSISTANCE
5414         *
5415         * @hide
5416         */
5417        public static final String EMERGENCY_ASSISTANCE_APPLICATION = "emergency_assistance_application";
5418
5419        /**
5420         * Specifies whether the current app context on scren (assist data) will be sent to the
5421         * assist application (active voice interaction service).
5422         *
5423         * @hide
5424         */
5425        public static final String ASSIST_STRUCTURE_ENABLED = "assist_structure_enabled";
5426
5427        /**
5428         * Names of the packages that the current user has explicitly allowed to
5429         * see all of the user's notifications, separated by ':'.
5430         *
5431         * @hide
5432         */
5433        public static final String ENABLED_NOTIFICATION_LISTENERS = "enabled_notification_listeners";
5434
5435        /**
5436         * @hide
5437         */
5438        public static final String ENABLED_CONDITION_PROVIDERS = "enabled_condition_providers";
5439
5440        /** @hide */
5441        public static final String BAR_SERVICE_COMPONENT = "bar_service_component";
5442
5443        /** @hide */
5444        public static final String VOLUME_CONTROLLER_SERVICE_COMPONENT
5445                = "volume_controller_service_component";
5446
5447        /** @hide */
5448        public static final String IMMERSIVE_MODE_CONFIRMATIONS = "immersive_mode_confirmations";
5449
5450        /**
5451         * This is the query URI for finding a print service to install.
5452         *
5453         * @hide
5454         */
5455        public static final String PRINT_SERVICE_SEARCH_URI = "print_service_search_uri";
5456
5457        /**
5458         * This is the query URI for finding a NFC payment service to install.
5459         *
5460         * @hide
5461         */
5462        public static final String PAYMENT_SERVICE_SEARCH_URI = "payment_service_search_uri";
5463
5464        /**
5465         * If enabled, apps should try to skip any introductory hints on first launch. This might
5466         * apply to users that are already familiar with the environment or temporary users.
5467         * <p>
5468         * Type : int (0 to show hints, 1 to skip showing hints)
5469         */
5470        public static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
5471
5472        /**
5473         * Persisted playback time after a user confirmation of an unsafe volume level.
5474         *
5475         * @hide
5476         */
5477        public static final String UNSAFE_VOLUME_MUSIC_ACTIVE_MS = "unsafe_volume_music_active_ms";
5478
5479        /**
5480         * This preference enables notification display on the lockscreen.
5481         * @hide
5482         */
5483        public static final String LOCK_SCREEN_SHOW_NOTIFICATIONS =
5484                "lock_screen_show_notifications";
5485
5486        /**
5487         * List of TV inputs that are currently hidden. This is a string
5488         * containing the IDs of all hidden TV inputs. Each ID is encoded by
5489         * {@link android.net.Uri#encode(String)} and separated by ':'.
5490         * @hide
5491         */
5492        public static final String TV_INPUT_HIDDEN_INPUTS = "tv_input_hidden_inputs";
5493
5494        /**
5495         * List of custom TV input labels. This is a string containing <TV input id, custom name>
5496         * pairs. TV input id and custom name are encoded by {@link android.net.Uri#encode(String)}
5497         * and separated by ','. Each pair is separated by ':'.
5498         * @hide
5499         */
5500        public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
5501
5502        /**
5503         * Whether automatic routing of system audio to USB audio peripheral is disabled.
5504         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
5505         * and 0 means automatic routing is enabled.
5506         *
5507         * @hide
5508         */
5509        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
5510                "usb_audio_automatic_routing_disabled";
5511
5512        /**
5513         * The timeout in milliseconds before the device fully goes to sleep after
5514         * a period of inactivity.  This value sets an upper bound on how long the device
5515         * will stay awake or dreaming without user activity.  It should generally
5516         * be longer than {@link Settings.System#SCREEN_OFF_TIMEOUT} as otherwise the device
5517         * will sleep before it ever has a chance to dream.
5518         * <p>
5519         * Use -1 to disable this timeout.
5520         * </p>
5521         *
5522         * @hide
5523         */
5524        public static final String SLEEP_TIMEOUT = "sleep_timeout";
5525
5526        /**
5527         * Duration in milliseconds that an app should be inactive before it is considered idle.
5528         * <p/>Type: Long
5529         * @hide
5530         */
5531        public static final String APP_IDLE_DURATION = "app_idle_duration";
5532
5533        /**
5534         * Controls whether double tap to wake is enabled.
5535         * @hide
5536         */
5537        public static final String DOUBLE_TAP_TO_WAKE = "double_tap_to_wake";
5538
5539        /**
5540         * This are the settings to be backed up.
5541         *
5542         * NOTE: Settings are backed up and restored in the order they appear
5543         *       in this array. If you have one setting depending on another,
5544         *       make sure that they are ordered appropriately.
5545         *
5546         * @hide
5547         */
5548        public static final String[] SETTINGS_TO_BACKUP = {
5549            BUGREPORT_IN_POWER_MENU,                            // moved to global
5550            ALLOW_MOCK_LOCATION,
5551            PARENTAL_CONTROL_ENABLED,
5552            PARENTAL_CONTROL_REDIRECT_URL,
5553            USB_MASS_STORAGE_ENABLED,                           // moved to global
5554            ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
5555            ACCESSIBILITY_DISPLAY_MAGNIFICATION_SCALE,
5556            ACCESSIBILITY_DISPLAY_MAGNIFICATION_AUTO_UPDATE,
5557            ACCESSIBILITY_SCRIPT_INJECTION,
5558            BACKUP_AUTO_RESTORE,
5559            ENABLED_ACCESSIBILITY_SERVICES,
5560            ENABLED_NOTIFICATION_LISTENERS,
5561            ENABLED_INPUT_METHODS,
5562            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
5563            TOUCH_EXPLORATION_ENABLED,
5564            ACCESSIBILITY_ENABLED,
5565            ACCESSIBILITY_SPEAK_PASSWORD,
5566            ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED,
5567            ACCESSIBILITY_CAPTIONING_ENABLED,
5568            ACCESSIBILITY_CAPTIONING_LOCALE,
5569            ACCESSIBILITY_CAPTIONING_BACKGROUND_COLOR,
5570            ACCESSIBILITY_CAPTIONING_FOREGROUND_COLOR,
5571            ACCESSIBILITY_CAPTIONING_EDGE_TYPE,
5572            ACCESSIBILITY_CAPTIONING_EDGE_COLOR,
5573            ACCESSIBILITY_CAPTIONING_TYPEFACE,
5574            ACCESSIBILITY_CAPTIONING_FONT_SCALE,
5575            TTS_USE_DEFAULTS,
5576            TTS_DEFAULT_RATE,
5577            TTS_DEFAULT_PITCH,
5578            TTS_DEFAULT_SYNTH,
5579            TTS_DEFAULT_LANG,
5580            TTS_DEFAULT_COUNTRY,
5581            TTS_ENABLED_PLUGINS,
5582            TTS_DEFAULT_LOCALE,
5583            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,            // moved to global
5584            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,               // moved to global
5585            WIFI_NUM_OPEN_NETWORKS_KEPT,                        // moved to global
5586            SELECTED_SPELL_CHECKER,
5587            SELECTED_SPELL_CHECKER_SUBTYPE,
5588            SPELL_CHECKER_ENABLED,
5589            MOUNT_PLAY_NOTIFICATION_SND,
5590            MOUNT_UMS_AUTOSTART,
5591            MOUNT_UMS_PROMPT,
5592            MOUNT_UMS_NOTIFY_ENABLED,
5593            UI_NIGHT_MODE,
5594            SLEEP_TIMEOUT,
5595            DOUBLE_TAP_TO_WAKE,
5596        };
5597
5598        /**
5599         * These entries are considered common between the personal and the managed profile,
5600         * since the managed profile doesn't get to change them.
5601         */
5602        private static final Set<String> CLONE_TO_MANAGED_PROFILE = new ArraySet<>();
5603
5604        static {
5605            CLONE_TO_MANAGED_PROFILE.add(ACCESSIBILITY_ENABLED);
5606            CLONE_TO_MANAGED_PROFILE.add(ALLOW_MOCK_LOCATION);
5607            CLONE_TO_MANAGED_PROFILE.add(ALLOWED_GEOLOCATION_ORIGINS);
5608            CLONE_TO_MANAGED_PROFILE.add(DEFAULT_INPUT_METHOD);
5609            CLONE_TO_MANAGED_PROFILE.add(ENABLED_ACCESSIBILITY_SERVICES);
5610            CLONE_TO_MANAGED_PROFILE.add(ENABLED_INPUT_METHODS);
5611            CLONE_TO_MANAGED_PROFILE.add(LOCATION_MODE);
5612            CLONE_TO_MANAGED_PROFILE.add(LOCATION_PROVIDERS_ALLOWED);
5613            CLONE_TO_MANAGED_PROFILE.add(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
5614            CLONE_TO_MANAGED_PROFILE.add(SELECTED_INPUT_METHOD_SUBTYPE);
5615            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER);
5616            CLONE_TO_MANAGED_PROFILE.add(SELECTED_SPELL_CHECKER_SUBTYPE);
5617        }
5618
5619        /** @hide */
5620        public static void getCloneToManagedProfileSettings(Set<String> outKeySet) {
5621            outKeySet.addAll(CLONE_TO_MANAGED_PROFILE);
5622        }
5623
5624        /**
5625         * Helper method for determining if a location provider is enabled.
5626         *
5627         * @param cr the content resolver to use
5628         * @param provider the location provider to query
5629         * @return true if the provider is enabled
5630         *
5631         * @deprecated use {@link #LOCATION_MODE} or
5632         *             {@link LocationManager#isProviderEnabled(String)}
5633         */
5634        @Deprecated
5635        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
5636            return isLocationProviderEnabledForUser(cr, provider, UserHandle.myUserId());
5637        }
5638
5639        /**
5640         * Helper method for determining if a location provider is enabled.
5641         * @param cr the content resolver to use
5642         * @param provider the location provider to query
5643         * @param userId the userId to query
5644         * @return true if the provider is enabled
5645         * @deprecated use {@link #LOCATION_MODE} or
5646         *             {@link LocationManager#isProviderEnabled(String)}
5647         * @hide
5648         */
5649        @Deprecated
5650        public static final boolean isLocationProviderEnabledForUser(ContentResolver cr, String provider, int userId) {
5651            String allowedProviders = Settings.Secure.getStringForUser(cr,
5652                    LOCATION_PROVIDERS_ALLOWED, userId);
5653            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
5654        }
5655
5656        /**
5657         * Thread-safe method for enabling or disabling a single location provider.
5658         * @param cr the content resolver to use
5659         * @param provider the location provider to enable or disable
5660         * @param enabled true if the provider should be enabled
5661         * @deprecated use {@link #putInt(ContentResolver, String, int)} and {@link #LOCATION_MODE}
5662         */
5663        @Deprecated
5664        public static final void setLocationProviderEnabled(ContentResolver cr,
5665                String provider, boolean enabled) {
5666            setLocationProviderEnabledForUser(cr, provider, enabled, UserHandle.myUserId());
5667        }
5668
5669        /**
5670         * Thread-safe method for enabling or disabling a single location provider.
5671         *
5672         * @param cr the content resolver to use
5673         * @param provider the location provider to enable or disable
5674         * @param enabled true if the provider should be enabled
5675         * @param userId the userId for which to enable/disable providers
5676         * @return true if the value was set, false on database errors
5677         * @deprecated use {@link #putIntForUser(ContentResolver, String, int, int)} and
5678         *             {@link #LOCATION_MODE}
5679         * @hide
5680         */
5681        @Deprecated
5682        public static final boolean setLocationProviderEnabledForUser(ContentResolver cr,
5683                String provider, boolean enabled, int userId) {
5684            synchronized (mLocationSettingsLock) {
5685                // to ensure thread safety, we write the provider name with a '+' or '-'
5686                // and let the SettingsProvider handle it rather than reading and modifying
5687                // the list of enabled providers.
5688                if (enabled) {
5689                    provider = "+" + provider;
5690                } else {
5691                    provider = "-" + provider;
5692                }
5693                return putStringForUser(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider,
5694                        userId);
5695            }
5696        }
5697
5698        /**
5699         * Thread-safe method for setting the location mode to one of
5700         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5701         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5702         *
5703         * @param cr the content resolver to use
5704         * @param mode such as {@link #LOCATION_MODE_HIGH_ACCURACY}
5705         * @param userId the userId for which to change mode
5706         * @return true if the value was set, false on database errors
5707         *
5708         * @throws IllegalArgumentException if mode is not one of the supported values
5709         */
5710        private static final boolean setLocationModeForUser(ContentResolver cr, int mode,
5711                int userId) {
5712            synchronized (mLocationSettingsLock) {
5713                boolean gps = false;
5714                boolean network = false;
5715                switch (mode) {
5716                    case LOCATION_MODE_OFF:
5717                        break;
5718                    case LOCATION_MODE_SENSORS_ONLY:
5719                        gps = true;
5720                        break;
5721                    case LOCATION_MODE_BATTERY_SAVING:
5722                        network = true;
5723                        break;
5724                    case LOCATION_MODE_HIGH_ACCURACY:
5725                        gps = true;
5726                        network = true;
5727                        break;
5728                    default:
5729                        throw new IllegalArgumentException("Invalid location mode: " + mode);
5730                }
5731                // Note it's important that we set the NLP mode first. The Google implementation
5732                // of NLP clears its NLP consent setting any time it receives a
5733                // LocationManager.PROVIDERS_CHANGED_ACTION broadcast and NLP is disabled. Also,
5734                // it shows an NLP consent dialog any time it receives the broadcast, NLP is
5735                // enabled, and the NLP consent is not set. If 1) we were to enable GPS first,
5736                // 2) a setup wizard has its own NLP consent UI that sets the NLP consent setting,
5737                // and 3) the receiver happened to complete before we enabled NLP, then the Google
5738                // NLP would detect the attempt to enable NLP and show a redundant NLP consent
5739                // dialog. Then the people who wrote the setup wizard would be sad.
5740                boolean nlpSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5741                        cr, LocationManager.NETWORK_PROVIDER, network, userId);
5742                boolean gpsSuccess = Settings.Secure.setLocationProviderEnabledForUser(
5743                        cr, LocationManager.GPS_PROVIDER, gps, userId);
5744                return gpsSuccess && nlpSuccess;
5745            }
5746        }
5747
5748        /**
5749         * Thread-safe method for reading the location mode, returns one of
5750         * {@link #LOCATION_MODE_HIGH_ACCURACY}, {@link #LOCATION_MODE_SENSORS_ONLY},
5751         * {@link #LOCATION_MODE_BATTERY_SAVING}, or {@link #LOCATION_MODE_OFF}.
5752         *
5753         * @param cr the content resolver to use
5754         * @param userId the userId for which to read the mode
5755         * @return the location mode
5756         */
5757        private static final int getLocationModeForUser(ContentResolver cr, int userId) {
5758            synchronized (mLocationSettingsLock) {
5759                boolean gpsEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5760                        cr, LocationManager.GPS_PROVIDER, userId);
5761                boolean networkEnabled = Settings.Secure.isLocationProviderEnabledForUser(
5762                        cr, LocationManager.NETWORK_PROVIDER, userId);
5763                if (gpsEnabled && networkEnabled) {
5764                    return LOCATION_MODE_HIGH_ACCURACY;
5765                } else if (gpsEnabled) {
5766                    return LOCATION_MODE_SENSORS_ONLY;
5767                } else if (networkEnabled) {
5768                    return LOCATION_MODE_BATTERY_SAVING;
5769                } else {
5770                    return LOCATION_MODE_OFF;
5771                }
5772            }
5773        }
5774    }
5775
5776    /**
5777     * Global system settings, containing preferences that always apply identically
5778     * to all defined users.  Applications can read these but are not allowed to write;
5779     * like the "Secure" settings, these are for preferences that the user must
5780     * explicitly modify through the system UI or specialized APIs for those values.
5781     */
5782    public static final class Global extends NameValueTable {
5783        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_global_version";
5784
5785        /**
5786         * The content:// style URL for global secure settings items.  Not public.
5787         */
5788        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/global");
5789
5790        /**
5791         * Whether users are allowed to add more users or guest from lockscreen.
5792         * <p>
5793         * Type: int
5794         * @hide
5795         */
5796        public static final String ADD_USERS_WHEN_LOCKED = "add_users_when_locked";
5797
5798        /**
5799         * Setting whether the global gesture for enabling accessibility is enabled.
5800         * If this gesture is enabled the user will be able to perfrom it to enable
5801         * the accessibility state without visiting the settings app.
5802         * @hide
5803         */
5804        public static final String ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED =
5805                "enable_accessibility_global_gesture_enabled";
5806
5807        /**
5808         * Whether Airplane Mode is on.
5809         */
5810        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
5811
5812        /**
5813         * Whether Theater Mode is on.
5814         * {@hide}
5815         */
5816        @SystemApi
5817        public static final String THEATER_MODE_ON = "theater_mode_on";
5818
5819        /**
5820         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
5821         */
5822        public static final String RADIO_BLUETOOTH = "bluetooth";
5823
5824        /**
5825         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
5826         */
5827        public static final String RADIO_WIFI = "wifi";
5828
5829        /**
5830         * {@hide}
5831         */
5832        public static final String RADIO_WIMAX = "wimax";
5833        /**
5834         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
5835         */
5836        public static final String RADIO_CELL = "cell";
5837
5838        /**
5839         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
5840         */
5841        public static final String RADIO_NFC = "nfc";
5842
5843        /**
5844         * A comma separated list of radios that need to be disabled when airplane mode
5845         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
5846         * included in the comma separated list.
5847         */
5848        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
5849
5850        /**
5851         * A comma separated list of radios that should to be disabled when airplane mode
5852         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
5853         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
5854         * will be turned off when entering airplane mode, but the user will be able to reenable
5855         * Wifi in the Settings app.
5856         *
5857         * {@hide}
5858         */
5859        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
5860
5861        /**
5862         * The policy for deciding when Wi-Fi should go to sleep (which will in
5863         * turn switch to using the mobile data as an Internet connection).
5864         * <p>
5865         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
5866         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
5867         * {@link #WIFI_SLEEP_POLICY_NEVER}.
5868         */
5869        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
5870
5871        /**
5872         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
5873         * policy, which is to sleep shortly after the turning off
5874         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
5875         */
5876        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
5877
5878        /**
5879         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
5880         * the device is on battery, and never go to sleep when the device is
5881         * plugged in.
5882         */
5883        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
5884
5885        /**
5886         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
5887         */
5888        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
5889
5890        /**
5891         * Value to specify if the user prefers the date, time and time zone
5892         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
5893         */
5894        public static final String AUTO_TIME = "auto_time";
5895
5896        /**
5897         * Value to specify if the user prefers the time zone
5898         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
5899         */
5900        public static final String AUTO_TIME_ZONE = "auto_time_zone";
5901
5902        /**
5903         * URI for the car dock "in" event sound.
5904         * @hide
5905         */
5906        public static final String CAR_DOCK_SOUND = "car_dock_sound";
5907
5908        /**
5909         * URI for the car dock "out" event sound.
5910         * @hide
5911         */
5912        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
5913
5914        /**
5915         * URI for the desk dock "in" event sound.
5916         * @hide
5917         */
5918        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
5919
5920        /**
5921         * URI for the desk dock "out" event sound.
5922         * @hide
5923         */
5924        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
5925
5926        /**
5927         * Whether to play a sound for dock events.
5928         * @hide
5929         */
5930        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
5931
5932        /**
5933         * URI for the "device locked" (keyguard shown) sound.
5934         * @hide
5935         */
5936        public static final String LOCK_SOUND = "lock_sound";
5937
5938        /**
5939         * URI for the "device unlocked" sound.
5940         * @hide
5941         */
5942        public static final String UNLOCK_SOUND = "unlock_sound";
5943
5944        /**
5945         * URI for the "device is trusted" sound, which is played when the device enters the trusted
5946         * state without unlocking.
5947         * @hide
5948         */
5949        public static final String TRUSTED_SOUND = "trusted_sound";
5950
5951        /**
5952         * URI for the low battery sound file.
5953         * @hide
5954         */
5955        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
5956
5957        /**
5958         * Whether to play a sound for low-battery alerts.
5959         * @hide
5960         */
5961        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
5962
5963        /**
5964         * URI for the "wireless charging started" sound.
5965         * @hide
5966         */
5967        public static final String WIRELESS_CHARGING_STARTED_SOUND =
5968                "wireless_charging_started_sound";
5969
5970        /**
5971         * Whether to play a sound for charging events.
5972         * @hide
5973         */
5974        public static final String CHARGING_SOUNDS_ENABLED = "charging_sounds_enabled";
5975
5976        /**
5977         * Whether we keep the device on while the device is plugged in.
5978         * Supported values are:
5979         * <ul>
5980         * <li>{@code 0} to never stay on while plugged in</li>
5981         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
5982         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
5983         * <li>{@link BatteryManager#BATTERY_PLUGGED_WIRELESS} to stay on for wireless charger</li>
5984         * </ul>
5985         * These values can be OR-ed together.
5986         */
5987        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
5988
5989        /**
5990         * When the user has enable the option to have a "bug report" command
5991         * in the power menu.
5992         * @hide
5993         */
5994        public static final String BUGREPORT_IN_POWER_MENU = "bugreport_in_power_menu";
5995
5996        /**
5997         * Whether ADB is enabled.
5998         */
5999        public static final String ADB_ENABLED = "adb_enabled";
6000
6001        /**
6002         * Whether Views are allowed to save their attribute data.
6003         * @hide
6004         */
6005        public static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
6006
6007        /**
6008         * Whether assisted GPS should be enabled or not.
6009         * @hide
6010         */
6011        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
6012
6013        /**
6014         * Whether bluetooth is enabled/disabled
6015         * 0=disabled. 1=enabled.
6016         */
6017        public static final String BLUETOOTH_ON = "bluetooth_on";
6018
6019        /**
6020         * CDMA Cell Broadcast SMS
6021         *                            0 = CDMA Cell Broadcast SMS disabled
6022         *                            1 = CDMA Cell Broadcast SMS enabled
6023         * @hide
6024         */
6025        public static final String CDMA_CELL_BROADCAST_SMS =
6026                "cdma_cell_broadcast_sms";
6027
6028        /**
6029         * The CDMA roaming mode 0 = Home Networks, CDMA default
6030         *                       1 = Roaming on Affiliated networks
6031         *                       2 = Roaming on any networks
6032         * @hide
6033         */
6034        public static final String CDMA_ROAMING_MODE = "roaming_settings";
6035
6036        /**
6037         * The CDMA subscription mode 0 = RUIM/SIM (default)
6038         *                                1 = NV
6039         * @hide
6040         */
6041        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
6042
6043        /** Inactivity timeout to track mobile data activity.
6044        *
6045        * If set to a positive integer, it indicates the inactivity timeout value in seconds to
6046        * infer the data activity of mobile network. After a period of no activity on mobile
6047        * networks with length specified by the timeout, an {@code ACTION_DATA_ACTIVITY_CHANGE}
6048        * intent is fired to indicate a transition of network status from "active" to "idle". Any
6049        * subsequent activity on mobile networks triggers the firing of {@code
6050        * ACTION_DATA_ACTIVITY_CHANGE} intent indicating transition from "idle" to "active".
6051        *
6052        * Network activity refers to transmitting or receiving data on the network interfaces.
6053        *
6054        * Tracking is disabled if set to zero or negative value.
6055        *
6056        * @hide
6057        */
6058       public static final String DATA_ACTIVITY_TIMEOUT_MOBILE = "data_activity_timeout_mobile";
6059
6060       /** Timeout to tracking Wifi data activity. Same as {@code DATA_ACTIVITY_TIMEOUT_MOBILE}
6061        * but for Wifi network.
6062        * @hide
6063        */
6064       public static final String DATA_ACTIVITY_TIMEOUT_WIFI = "data_activity_timeout_wifi";
6065
6066       /**
6067        * Whether or not data roaming is enabled. (0 = false, 1 = true)
6068        */
6069       public static final String DATA_ROAMING = "data_roaming";
6070
6071       /**
6072        * The value passed to a Mobile DataConnection via bringUp which defines the
6073        * number of retries to preform when setting up the initial connection. The default
6074        * value defined in DataConnectionTrackerBase#DEFAULT_MDC_INITIAL_RETRY is currently 1.
6075        * @hide
6076        */
6077       public static final String MDC_INITIAL_MAX_RETRY = "mdc_initial_max_retry";
6078
6079       /**
6080        * Whether user has enabled development settings.
6081        */
6082       public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
6083
6084       /**
6085        * Whether the device has been provisioned (0 = false, 1 = true)
6086        */
6087       public static final String DEVICE_PROVISIONED = "device_provisioned";
6088
6089       /**
6090        * The saved value for WindowManagerService.setForcedDisplayDensity().
6091        * One integer in dpi.  If unset, then use the real display density.
6092        * @hide
6093        */
6094       public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
6095
6096       /**
6097        * The saved value for WindowManagerService.setForcedDisplaySize().
6098        * Two integers separated by a comma.  If unset, then use the real display size.
6099        * @hide
6100        */
6101       public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
6102
6103       /**
6104        * The saved value for WindowManagerService.setForcedDisplayScalingMode().
6105        * 0 or unset if scaling is automatic, 1 if scaling is disabled.
6106        * @hide
6107        */
6108       public static final String DISPLAY_SCALING_FORCE = "display_scaling_force";
6109
6110       /**
6111        * The maximum size, in bytes, of a download that the download manager will transfer over
6112        * a non-wifi connection.
6113        * @hide
6114        */
6115       public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
6116               "download_manager_max_bytes_over_mobile";
6117
6118       /**
6119        * The recommended maximum size, in bytes, of a download that the download manager should
6120        * transfer over a non-wifi connection. Over this size, the use will be warned, but will
6121        * have the option to start the download over the mobile connection anyway.
6122        * @hide
6123        */
6124       public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
6125               "download_manager_recommended_max_bytes_over_mobile";
6126
6127       /**
6128        * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
6129        */
6130       @Deprecated
6131       public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
6132
6133       /**
6134        * Whether HDMI control shall be enabled. If disabled, no CEC/MHL command will be
6135        * sent or processed. (0 = false, 1 = true)
6136        * @hide
6137        */
6138       public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
6139
6140       /**
6141        * Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
6142        * and the output is redirected to AV Receiver connected via
6143        * {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
6144        * @hide
6145        */
6146       public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
6147
6148       /**
6149        * Whether TV will automatically turn on upon reception of the CEC command
6150        * &lt;Text View On&gt; or &lt;Image View On&gt;. (0 = false, 1 = true)
6151        * @hide
6152        */
6153       public static final String HDMI_CONTROL_AUTO_WAKEUP_ENABLED =
6154               "hdmi_control_auto_wakeup_enabled";
6155
6156       /**
6157        * Whether TV will also turn off other CEC devices when it goes to standby mode.
6158        * (0 = false, 1 = true)
6159        * @hide
6160        */
6161       public static final String HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED =
6162               "hdmi_control_auto_device_off_enabled";
6163
6164       /**
6165        * Whether to use the DHCP client from Lollipop and earlier instead of the newer Android DHCP
6166        * client.
6167        * (0 = false, 1 = true)
6168        * @hide
6169        */
6170       public static final String LEGACY_DHCP_CLIENT = "legacy_dhcp_client";
6171
6172       /**
6173        * Whether TV will switch to MHL port when a mobile device is plugged in.
6174        * (0 = false, 1 = true)
6175        * @hide
6176        */
6177       public static final String MHL_INPUT_SWITCHING_ENABLED = "mhl_input_switching_enabled";
6178
6179       /**
6180        * Whether TV will charge the mobile device connected at MHL port. (0 = false, 1 = true)
6181        * @hide
6182        */
6183       public static final String MHL_POWER_CHARGE_ENABLED = "mhl_power_charge_enabled";
6184
6185       /**
6186        * Whether mobile data connections are allowed by the user.  See
6187        * ConnectivityManager for more info.
6188        * @hide
6189        */
6190       public static final String MOBILE_DATA = "mobile_data";
6191
6192       /**
6193        * Whether the mobile data connection should remain active even when higher
6194        * priority networks like WiFi are active, to help make network switching faster.
6195        *
6196        * See ConnectivityService for more info.
6197        *
6198        * (0 = disabled, 1 = enabled)
6199        * @hide
6200        */
6201       public static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
6202
6203       /** {@hide} */
6204       public static final String NETSTATS_ENABLED = "netstats_enabled";
6205       /** {@hide} */
6206       public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
6207       /** {@hide} */
6208       public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
6209       /** {@hide} */
6210       public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
6211       /** {@hide} */
6212       public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
6213
6214       /** {@hide} */
6215       public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
6216       /** {@hide} */
6217       public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
6218       /** {@hide} */
6219       public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
6220       /** {@hide} */
6221       public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
6222
6223       /** {@hide} */
6224       public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
6225       /** {@hide} */
6226       public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
6227       /** {@hide} */
6228       public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
6229       /** {@hide} */
6230       public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
6231
6232       /** {@hide} */
6233       public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
6234       /** {@hide} */
6235       public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
6236       /** {@hide} */
6237       public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
6238       /** {@hide} */
6239       public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
6240
6241       /**
6242        * User preference for which network(s) should be used. Only the
6243        * connectivity service should touch this.
6244        */
6245       public static final String NETWORK_PREFERENCE = "network_preference";
6246
6247       /**
6248        * Which package name to use for network scoring. If null, or if the package is not a valid
6249        * scorer app, external network scores will neither be requested nor accepted.
6250        * @hide
6251        */
6252       public static final String NETWORK_SCORER_APP = "network_scorer_app";
6253
6254       /**
6255        * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
6256        * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
6257        * exceeded.
6258        * @hide
6259        */
6260       public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
6261
6262       /**
6263        * The length of time in milli-seconds that automatic small adjustments to
6264        * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
6265        * @hide
6266        */
6267       public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
6268
6269       /** Preferred NTP server. {@hide} */
6270       public static final String NTP_SERVER = "ntp_server";
6271       /** Timeout in milliseconds to wait for NTP server. {@hide} */
6272       public static final String NTP_TIMEOUT = "ntp_timeout";
6273
6274       /**
6275        * Whether the package manager should send package verification broadcasts for verifiers to
6276        * review apps prior to installation.
6277        * 1 = request apps to be verified prior to installation, if a verifier exists.
6278        * 0 = do not verify apps before installation
6279        * @hide
6280        */
6281       public static final String PACKAGE_VERIFIER_ENABLE = "package_verifier_enable";
6282
6283       /** Timeout for package verification.
6284        * @hide */
6285       public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
6286
6287       /** Default response code for package verification.
6288        * @hide */
6289       public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
6290
6291       /**
6292        * Show package verification setting in the Settings app.
6293        * 1 = show (default)
6294        * 0 = hide
6295        * @hide
6296        */
6297       public static final String PACKAGE_VERIFIER_SETTING_VISIBLE = "verifier_setting_visible";
6298
6299       /**
6300        * Run package verification on apps installed through ADB/ADT/USB
6301        * 1 = perform package verification on ADB installs (default)
6302        * 0 = bypass package verification on ADB installs
6303        * @hide
6304        */
6305       public static final String PACKAGE_VERIFIER_INCLUDE_ADB = "verifier_verify_adb_installs";
6306
6307       /**
6308        * Time since last fstrim (milliseconds) after which we force one to happen
6309        * during device startup.  If unset, the default is 3 days.
6310        * @hide
6311        */
6312       public static final String FSTRIM_MANDATORY_INTERVAL = "fstrim_mandatory_interval";
6313
6314       /**
6315        * The interval in milliseconds at which to check packet counts on the
6316        * mobile data interface when screen is on, to detect possible data
6317        * connection problems.
6318        * @hide
6319        */
6320       public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
6321               "pdp_watchdog_poll_interval_ms";
6322
6323       /**
6324        * The interval in milliseconds at which to check packet counts on the
6325        * mobile data interface when screen is off, to detect possible data
6326        * connection problems.
6327        * @hide
6328        */
6329       public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
6330               "pdp_watchdog_long_poll_interval_ms";
6331
6332       /**
6333        * The interval in milliseconds at which to check packet counts on the
6334        * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
6335        * outgoing packets has been reached without incoming packets.
6336        * @hide
6337        */
6338       public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
6339               "pdp_watchdog_error_poll_interval_ms";
6340
6341       /**
6342        * The number of outgoing packets sent without seeing an incoming packet
6343        * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
6344        * device is logged to the event log
6345        * @hide
6346        */
6347       public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
6348               "pdp_watchdog_trigger_packet_count";
6349
6350       /**
6351        * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
6352        * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
6353        * attempting data connection recovery.
6354        * @hide
6355        */
6356       public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
6357               "pdp_watchdog_error_poll_count";
6358
6359       /**
6360        * The number of failed PDP reset attempts before moving to something more
6361        * drastic: re-registering to the network.
6362        * @hide
6363        */
6364       public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
6365               "pdp_watchdog_max_pdp_reset_fail_count";
6366
6367       /**
6368        * A positive value indicates how often the SamplingProfiler
6369        * should take snapshots. Zero value means SamplingProfiler
6370        * is disabled.
6371        *
6372        * @hide
6373        */
6374       public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
6375
6376       /**
6377        * URL to open browser on to allow user to manage a prepay account
6378        * @hide
6379        */
6380       public static final String SETUP_PREPAID_DATA_SERVICE_URL =
6381               "setup_prepaid_data_service_url";
6382
6383       /**
6384        * URL to attempt a GET on to see if this is a prepay device
6385        * @hide
6386        */
6387       public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
6388               "setup_prepaid_detection_target_url";
6389
6390       /**
6391        * Host to check for a redirect to after an attempt to GET
6392        * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
6393        * this is a prepaid device with zero balance.)
6394        * @hide
6395        */
6396       public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
6397               "setup_prepaid_detection_redir_host";
6398
6399       /**
6400        * The interval in milliseconds at which to check the number of SMS sent out without asking
6401        * for use permit, to limit the un-authorized SMS usage.
6402        *
6403        * @hide
6404        */
6405       public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
6406               "sms_outgoing_check_interval_ms";
6407
6408       /**
6409        * The number of outgoing SMS sent without asking for user permit (of {@link
6410        * #SMS_OUTGOING_CHECK_INTERVAL_MS}
6411        *
6412        * @hide
6413        */
6414       public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
6415               "sms_outgoing_check_max_count";
6416
6417       /**
6418        * Used to disable SMS short code confirmation - defaults to true.
6419        * True indcates we will do the check, etc.  Set to false to disable.
6420        * @see com.android.internal.telephony.SmsUsageMonitor
6421        * @hide
6422        */
6423       public static final String SMS_SHORT_CODE_CONFIRMATION = "sms_short_code_confirmation";
6424
6425        /**
6426         * Used to select which country we use to determine premium sms codes.
6427         * One of com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_SIM,
6428         * com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_NETWORK,
6429         * or com.android.internal.telephony.SMSDispatcher.PREMIUM_RULE_USE_BOTH.
6430         * @hide
6431         */
6432        public static final String SMS_SHORT_CODE_RULE = "sms_short_code_rule";
6433
6434       /**
6435        * Used to select TCP's default initial receiver window size in segments - defaults to a build config value
6436        * @hide
6437        */
6438       public static final String TCP_DEFAULT_INIT_RWND = "tcp_default_init_rwnd";
6439
6440       /**
6441        * Used to disable Tethering on a device - defaults to true
6442        * @hide
6443        */
6444       public static final String TETHER_SUPPORTED = "tether_supported";
6445
6446       /**
6447        * Used to require DUN APN on the device or not - defaults to a build config value
6448        * which defaults to false
6449        * @hide
6450        */
6451       public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
6452
6453       /**
6454        * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
6455        * corresponding build config values are set it will override the APN DB
6456        * values.
6457        * Consists of a comma seperated list of strings:
6458        * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
6459        * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
6460        * @hide
6461        */
6462       public static final String TETHER_DUN_APN = "tether_dun_apn";
6463
6464       /**
6465        * USB Mass Storage Enabled
6466        */
6467       public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
6468
6469       /**
6470        * If this setting is set (to anything), then all references
6471        * to Gmail on the device must change to Google Mail.
6472        */
6473       public static final String USE_GOOGLE_MAIL = "use_google_mail";
6474
6475        /**
6476         * Webview Data reduction proxy key.
6477         * @hide
6478         */
6479        public static final String WEBVIEW_DATA_REDUCTION_PROXY_KEY =
6480                "webview_data_reduction_proxy_key";
6481
6482       /**
6483        * Whether Wifi display is enabled/disabled
6484        * 0=disabled. 1=enabled.
6485        * @hide
6486        */
6487       public static final String WIFI_DISPLAY_ON = "wifi_display_on";
6488
6489       /**
6490        * Whether Wifi display certification mode is enabled/disabled
6491        * 0=disabled. 1=enabled.
6492        * @hide
6493        */
6494       public static final String WIFI_DISPLAY_CERTIFICATION_ON =
6495               "wifi_display_certification_on";
6496
6497       /**
6498        * WPS Configuration method used by Wifi display, this setting only
6499        * takes effect when WIFI_DISPLAY_CERTIFICATION_ON is 1 (enabled).
6500        *
6501        * Possible values are:
6502        *
6503        * WpsInfo.INVALID: use default WPS method chosen by framework
6504        * WpsInfo.PBC    : use Push button
6505        * WpsInfo.KEYPAD : use Keypad
6506        * WpsInfo.DISPLAY: use Display
6507        * @hide
6508        */
6509       public static final String WIFI_DISPLAY_WPS_CONFIG =
6510           "wifi_display_wps_config";
6511
6512       /**
6513        * Whether to notify the user of open networks.
6514        * <p>
6515        * If not connected and the scan results have an open network, we will
6516        * put this notification up. If we attempt to connect to a network or
6517        * the open network(s) disappear, we remove the notification. When we
6518        * show the notification, we will not show it again for
6519        * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
6520        */
6521       public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6522               "wifi_networks_available_notification_on";
6523       /**
6524        * {@hide}
6525        */
6526       public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
6527               "wimax_networks_available_notification_on";
6528
6529       /**
6530        * Delay (in seconds) before repeating the Wi-Fi networks available notification.
6531        * Connecting to a network will reset the timer.
6532        */
6533       public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
6534               "wifi_networks_available_repeat_delay";
6535
6536       /**
6537        * 802.11 country code in ISO 3166 format
6538        * @hide
6539        */
6540       public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
6541
6542       /**
6543        * The interval in milliseconds to issue wake up scans when wifi needs
6544        * to connect. This is necessary to connect to an access point when
6545        * device is on the move and the screen is off.
6546        * @hide
6547        */
6548       public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
6549               "wifi_framework_scan_interval_ms";
6550
6551       /**
6552        * The interval in milliseconds after which Wi-Fi is considered idle.
6553        * When idle, it is possible for the device to be switched from Wi-Fi to
6554        * the mobile data network.
6555        * @hide
6556        */
6557       public static final String WIFI_IDLE_MS = "wifi_idle_ms";
6558
6559       /**
6560        * When the number of open networks exceeds this number, the
6561        * least-recently-used excess networks will be removed.
6562        */
6563       public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
6564
6565       /**
6566        * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
6567        */
6568       public static final String WIFI_ON = "wifi_on";
6569
6570       /**
6571        * Setting to allow scans to be enabled even wifi is turned off for connectivity.
6572        * @hide
6573        */
6574       public static final String WIFI_SCAN_ALWAYS_AVAILABLE =
6575                "wifi_scan_always_enabled";
6576
6577       /**
6578        * Settings to allow BLE scans to be enabled even when Bluetooth is turned off for
6579        * connectivity.
6580        * @hide
6581        */
6582       public static final String BLE_SCAN_ALWAYS_AVAILABLE =
6583               "ble_scan_always_enabled";
6584
6585       /**
6586        * Used to save the Wifi_ON state prior to tethering.
6587        * This state will be checked to restore Wifi after
6588        * the user turns off tethering.
6589        *
6590        * @hide
6591        */
6592       public static final String WIFI_SAVED_STATE = "wifi_saved_state";
6593
6594       /**
6595        * The interval in milliseconds to scan as used by the wifi supplicant
6596        * @hide
6597        */
6598       public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
6599               "wifi_supplicant_scan_interval_ms";
6600
6601        /**
6602         * whether frameworks handles wifi auto-join
6603         * @hide
6604         */
6605       public static final String WIFI_ENHANCED_AUTO_JOIN =
6606                "wifi_enhanced_auto_join";
6607
6608        /**
6609         * whether settings show RSSI
6610         * @hide
6611         */
6612        public static final String WIFI_NETWORK_SHOW_RSSI =
6613                "wifi_network_show_rssi";
6614
6615        /**
6616        * The interval in milliseconds to scan at supplicant when p2p is connected
6617        * @hide
6618        */
6619       public static final String WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS =
6620               "wifi_scan_interval_p2p_connected_ms";
6621
6622       /**
6623        * Whether the Wi-Fi watchdog is enabled.
6624        */
6625       public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
6626
6627       /**
6628        * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
6629        * the setting needs to be set to 0 to disable it.
6630        * @hide
6631        */
6632       public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
6633               "wifi_watchdog_poor_network_test_enabled";
6634
6635       /**
6636        * Setting to turn on suspend optimizations at screen off on Wi-Fi. Enabled by default and
6637        * needs to be set to 0 to disable it.
6638        * @hide
6639        */
6640       public static final String WIFI_SUSPEND_OPTIMIZATIONS_ENABLED =
6641               "wifi_suspend_optimizations_enabled";
6642
6643       /**
6644        * The maximum number of times we will retry a connection to an access
6645        * point for which we have failed in acquiring an IP address from DHCP.
6646        * A value of N means that we will make N+1 connection attempts in all.
6647        */
6648       public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
6649
6650       /**
6651        * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
6652        * data connectivity to be established after a disconnect from Wi-Fi.
6653        */
6654       public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
6655           "wifi_mobile_data_transition_wakelock_timeout_ms";
6656
6657       /**
6658        * This setting controls whether WiFi configurations created by a Device Owner app
6659        * should be locked down (that is, be editable or removable only by the Device Owner App,
6660        * not even by Settings app).
6661        * This setting takes integer values. Non-zero values mean DO created configurations
6662        * are locked down. Value of zero means they are not. Default value in the absence of
6663        * actual value to this setting is 0.
6664        */
6665       public static final String WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN =
6666               "wifi_device_owner_configs_lockdown";
6667
6668       /**
6669        * The operational wifi frequency band
6670        * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
6671        * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
6672        * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
6673        *
6674        * @hide
6675        */
6676       public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
6677
6678       /**
6679        * The Wi-Fi peer-to-peer device name
6680        * @hide
6681        */
6682       public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
6683
6684       /**
6685        * The min time between wifi disable and wifi enable
6686        * @hide
6687        */
6688       public static final String WIFI_REENABLE_DELAY_MS = "wifi_reenable_delay";
6689
6690       /**
6691        * Timeout for ephemeral networks when all known BSSIDs go out of range. We will disconnect
6692        * from an ephemeral network if there is no BSSID for that network with a non-null score that
6693        * has been seen in this time period.
6694        *
6695        * If this is less than or equal to zero, we use a more conservative behavior and only check
6696        * for a non-null score from the currently connected or target BSSID.
6697        * @hide
6698        */
6699       public static final String WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS =
6700               "wifi_ephemeral_out_of_range_timeout_ms";
6701
6702       /**
6703        * The number of milliseconds to delay when checking for data stalls during
6704        * non-aggressive detection. (screen is turned off.)
6705        * @hide
6706        */
6707       public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
6708               "data_stall_alarm_non_aggressive_delay_in_ms";
6709
6710       /**
6711        * The number of milliseconds to delay when checking for data stalls during
6712        * aggressive detection. (screen on or suspected data stall)
6713        * @hide
6714        */
6715       public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
6716               "data_stall_alarm_aggressive_delay_in_ms";
6717
6718       /**
6719        * The number of milliseconds to allow the provisioning apn to remain active
6720        * @hide
6721        */
6722       public static final String PROVISIONING_APN_ALARM_DELAY_IN_MS =
6723               "provisioning_apn_alarm_delay_in_ms";
6724
6725       /**
6726        * The interval in milliseconds at which to check gprs registration
6727        * after the first registration mismatch of gprs and voice service,
6728        * to detect possible data network registration problems.
6729        *
6730        * @hide
6731        */
6732       public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
6733               "gprs_register_check_period_ms";
6734
6735       /**
6736        * Nonzero causes Log.wtf() to crash.
6737        * @hide
6738        */
6739       public static final String WTF_IS_FATAL = "wtf_is_fatal";
6740
6741       /**
6742        * Ringer mode. This is used internally, changing this value will not
6743        * change the ringer mode. See AudioManager.
6744        */
6745       public static final String MODE_RINGER = "mode_ringer";
6746
6747       /**
6748        * Overlay display devices setting.
6749        * The associated value is a specially formatted string that describes the
6750        * size and density of simulated secondary display devices.
6751        * <p>
6752        * Format: {width}x{height}/{dpi};...
6753        * </p><p>
6754        * Example:
6755        * <ul>
6756        * <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
6757        * <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
6758        * at 1080p and the second at 720p.</li>
6759        * <li>If the value is empty, then no overlay display devices are created.</li>
6760        * </ul></p>
6761        *
6762        * @hide
6763        */
6764       public static final String OVERLAY_DISPLAY_DEVICES = "overlay_display_devices";
6765
6766        /**
6767         * Threshold values for the duration and level of a discharge cycle,
6768         * under which we log discharge cycle info.
6769         *
6770         * @hide
6771         */
6772        public static final String
6773                BATTERY_DISCHARGE_DURATION_THRESHOLD = "battery_discharge_duration_threshold";
6774
6775        /** @hide */
6776        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
6777
6778        /**
6779         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR
6780         * intents on application crashes and ANRs. If this is disabled, the
6781         * crash/ANR dialog will never display the "Report" button.
6782         * <p>
6783         * Type: int (0 = disallow, 1 = allow)
6784         *
6785         * @hide
6786         */
6787        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
6788
6789        /**
6790         * Maximum age of entries kept by {@link DropBoxManager}.
6791         *
6792         * @hide
6793         */
6794        public static final String DROPBOX_AGE_SECONDS = "dropbox_age_seconds";
6795
6796        /**
6797         * Maximum number of entry files which {@link DropBoxManager} will keep
6798         * around.
6799         *
6800         * @hide
6801         */
6802        public static final String DROPBOX_MAX_FILES = "dropbox_max_files";
6803
6804        /**
6805         * Maximum amount of disk space used by {@link DropBoxManager} no matter
6806         * what.
6807         *
6808         * @hide
6809         */
6810        public static final String DROPBOX_QUOTA_KB = "dropbox_quota_kb";
6811
6812        /**
6813         * Percent of free disk (excluding reserve) which {@link DropBoxManager}
6814         * will use.
6815         *
6816         * @hide
6817         */
6818        public static final String DROPBOX_QUOTA_PERCENT = "dropbox_quota_percent";
6819
6820        /**
6821         * Percent of total disk which {@link DropBoxManager} will never dip
6822         * into.
6823         *
6824         * @hide
6825         */
6826        public static final String DROPBOX_RESERVE_PERCENT = "dropbox_reserve_percent";
6827
6828        /**
6829         * Prefix for per-tag dropbox disable/enable settings.
6830         *
6831         * @hide
6832         */
6833        public static final String DROPBOX_TAG_PREFIX = "dropbox:";
6834
6835        /**
6836         * Lines of logcat to include with system crash/ANR/etc. reports, as a
6837         * prefix of the dropbox tag of the report type. For example,
6838         * "logcat_for_system_server_anr" controls the lines of logcat captured
6839         * with system server ANR reports. 0 to disable.
6840         *
6841         * @hide
6842         */
6843        public static final String ERROR_LOGCAT_PREFIX = "logcat_for_";
6844
6845        /**
6846         * The interval in minutes after which the amount of free storage left
6847         * on the device is logged to the event log
6848         *
6849         * @hide
6850         */
6851        public static final String SYS_FREE_STORAGE_LOG_INTERVAL = "sys_free_storage_log_interval";
6852
6853        /**
6854         * Threshold for the amount of change in disk free space required to
6855         * report the amount of free space. Used to prevent spamming the logs
6856         * when the disk free space isn't changing frequently.
6857         *
6858         * @hide
6859         */
6860        public static final String
6861                DISK_FREE_CHANGE_REPORTING_THRESHOLD = "disk_free_change_reporting_threshold";
6862
6863        /**
6864         * Minimum percentage of free storage on the device that is used to
6865         * determine if the device is running low on storage. The default is 10.
6866         * <p>
6867         * Say this value is set to 10, the device is considered running low on
6868         * storage if 90% or more of the device storage is filled up.
6869         *
6870         * @hide
6871         */
6872        public static final String
6873                SYS_STORAGE_THRESHOLD_PERCENTAGE = "sys_storage_threshold_percentage";
6874
6875        /**
6876         * Maximum byte size of the low storage threshold. This is to ensure
6877         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in an
6878         * overly large threshold for large storage devices. Currently this must
6879         * be less than 2GB. This default is 500MB.
6880         *
6881         * @hide
6882         */
6883        public static final String
6884                SYS_STORAGE_THRESHOLD_MAX_BYTES = "sys_storage_threshold_max_bytes";
6885
6886        /**
6887         * Minimum bytes of free storage on the device before the data partition
6888         * is considered full. By default, 1 MB is reserved to avoid system-wide
6889         * SQLite disk full exceptions.
6890         *
6891         * @hide
6892         */
6893        public static final String
6894                SYS_STORAGE_FULL_THRESHOLD_BYTES = "sys_storage_full_threshold_bytes";
6895
6896        /**
6897         * The maximum reconnect delay for short network outages or when the
6898         * network is suspended due to phone use.
6899         *
6900         * @hide
6901         */
6902        public static final String
6903                SYNC_MAX_RETRY_DELAY_IN_SECONDS = "sync_max_retry_delay_in_seconds";
6904
6905        /**
6906         * The number of milliseconds to delay before sending out
6907         * {@link ConnectivityManager#CONNECTIVITY_ACTION} broadcasts. Ignored.
6908         *
6909         * @hide
6910         */
6911        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
6912
6913
6914        /**
6915         * Network sampling interval, in seconds. We'll generate link information
6916         * about bytes/packets sent and error rates based on data sampled in this interval
6917         *
6918         * @hide
6919         */
6920
6921        public static final String CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS =
6922                "connectivity_sampling_interval_in_seconds";
6923
6924        /**
6925         * The series of successively longer delays used in retrying to download PAC file.
6926         * Last delay is used between successful PAC downloads.
6927         *
6928         * @hide
6929         */
6930        public static final String PAC_CHANGE_DELAY = "pac_change_delay";
6931
6932        /**
6933         * Setting to turn off captive portal detection. Feature is enabled by
6934         * default and the setting needs to be set to 0 to disable it.
6935         *
6936         * @hide
6937         */
6938        public static final String
6939                CAPTIVE_PORTAL_DETECTION_ENABLED = "captive_portal_detection_enabled";
6940
6941        /**
6942         * The server used for captive portal detection upon a new conection. A
6943         * 204 response code from the server is used for validation.
6944         *
6945         * @hide
6946         */
6947        public static final String CAPTIVE_PORTAL_SERVER = "captive_portal_server";
6948
6949        /**
6950         * Whether network service discovery is enabled.
6951         *
6952         * @hide
6953         */
6954        public static final String NSD_ON = "nsd_on";
6955
6956        /**
6957         * Let user pick default install location.
6958         *
6959         * @hide
6960         */
6961        public static final String SET_INSTALL_LOCATION = "set_install_location";
6962
6963        /**
6964         * Default install location value.
6965         * 0 = auto, let system decide
6966         * 1 = internal
6967         * 2 = sdcard
6968         * @hide
6969         */
6970        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
6971
6972        /**
6973         * ms during which to consume extra events related to Inet connection
6974         * condition after a transtion to fully-connected
6975         *
6976         * @hide
6977         */
6978        public static final String
6979                INET_CONDITION_DEBOUNCE_UP_DELAY = "inet_condition_debounce_up_delay";
6980
6981        /**
6982         * ms during which to consume extra events related to Inet connection
6983         * condtion after a transtion to partly-connected
6984         *
6985         * @hide
6986         */
6987        public static final String
6988                INET_CONDITION_DEBOUNCE_DOWN_DELAY = "inet_condition_debounce_down_delay";
6989
6990        /** {@hide} */
6991        public static final String
6992                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
6993
6994        /**
6995         * Host name and port for global http proxy. Uses ':' seperator for
6996         * between host and port.
6997         */
6998        public static final String HTTP_PROXY = "http_proxy";
6999
7000        /**
7001         * Host name for global http proxy. Set via ConnectivityManager.
7002         *
7003         * @hide
7004         */
7005        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
7006
7007        /**
7008         * Integer host port for global http proxy. Set via ConnectivityManager.
7009         *
7010         * @hide
7011         */
7012        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
7013
7014        /**
7015         * Exclusion list for global proxy. This string contains a list of
7016         * comma-separated domains where the global proxy does not apply.
7017         * Domains should be listed in a comma- separated list. Example of
7018         * acceptable formats: ".domain1.com,my.domain2.com" Use
7019         * ConnectivityManager to set/get.
7020         *
7021         * @hide
7022         */
7023        public static final String
7024                GLOBAL_HTTP_PROXY_EXCLUSION_LIST = "global_http_proxy_exclusion_list";
7025
7026        /**
7027         * The location PAC File for the proxy.
7028         * @hide
7029         */
7030        public static final String
7031                GLOBAL_HTTP_PROXY_PAC = "global_proxy_pac_url";
7032
7033        /**
7034         * Enables the UI setting to allow the user to specify the global HTTP
7035         * proxy and associated exclusion list.
7036         *
7037         * @hide
7038         */
7039        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
7040
7041        /**
7042         * Setting for default DNS in case nobody suggests one
7043         *
7044         * @hide
7045         */
7046        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
7047
7048        /** {@hide} */
7049        public static final String
7050                BLUETOOTH_HEADSET_PRIORITY_PREFIX = "bluetooth_headset_priority_";
7051        /** {@hide} */
7052        public static final String
7053                BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX = "bluetooth_a2dp_sink_priority_";
7054        /** {@hide} */
7055        public static final String
7056                BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX = "bluetooth_input_device_priority_";
7057        /** {@hide} */
7058        public static final String
7059                BLUETOOTH_MAP_PRIORITY_PREFIX = "bluetooth_map_priority_";
7060        /** {@hide} */
7061        public static final String
7062                BLUETOOTH_SAP_PRIORITY_PREFIX = "bluetooth_sap_priority_";
7063
7064        /**
7065         * Get the key that retrieves a bluetooth headset's priority.
7066         * @hide
7067         */
7068        public static final String getBluetoothHeadsetPriorityKey(String address) {
7069            return BLUETOOTH_HEADSET_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7070        }
7071
7072        /**
7073         * Get the key that retrieves a bluetooth a2dp sink's priority.
7074         * @hide
7075         */
7076        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
7077            return BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7078        }
7079
7080        /**
7081         * Get the key that retrieves a bluetooth Input Device's priority.
7082         * @hide
7083         */
7084        public static final String getBluetoothInputDevicePriorityKey(String address) {
7085            return BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7086        }
7087
7088        /**
7089         * Get the key that retrieves a bluetooth map priority.
7090         * @hide
7091         */
7092        public static final String getBluetoothMapPriorityKey(String address) {
7093            return BLUETOOTH_MAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7094        }
7095
7096        /**
7097         * Get the key that retrieves a bluetooth map priority.
7098         * @hide
7099         */
7100        public static final String getBluetoothSapPriorityKey(String address) {
7101            return BLUETOOTH_SAP_PRIORITY_PREFIX + address.toUpperCase(Locale.ROOT);
7102        }
7103
7104        /**
7105         * Scaling factor for normal window animations. Setting to 0 will
7106         * disable window animations.
7107         */
7108        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
7109
7110        /**
7111         * Scaling factor for activity transition animations. Setting to 0 will
7112         * disable window animations.
7113         */
7114        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
7115
7116        /**
7117         * Scaling factor for Animator-based animations. This affects both the
7118         * start delay and duration of all such animations. Setting to 0 will
7119         * cause animations to end immediately. The default value is 1.
7120         */
7121        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
7122
7123        /**
7124         * Scaling factor for normal window animations. Setting to 0 will
7125         * disable window animations.
7126         *
7127         * @hide
7128         */
7129        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
7130
7131        /**
7132         * If 0, the compatibility mode is off for all applications.
7133         * If 1, older applications run under compatibility mode.
7134         * TODO: remove this settings before code freeze (bug/1907571)
7135         * @hide
7136         */
7137        public static final String COMPATIBILITY_MODE = "compatibility_mode";
7138
7139        /**
7140         * CDMA only settings
7141         * Emergency Tone  0 = Off
7142         *                 1 = Alert
7143         *                 2 = Vibrate
7144         * @hide
7145         */
7146        public static final String EMERGENCY_TONE = "emergency_tone";
7147
7148        /**
7149         * CDMA only settings
7150         * Whether the auto retry is enabled. The value is
7151         * boolean (1 or 0).
7152         * @hide
7153         */
7154        public static final String CALL_AUTO_RETRY = "call_auto_retry";
7155
7156        /**
7157         * See RIL_PreferredNetworkType in ril.h
7158         * @hide
7159         */
7160        public static final String PREFERRED_NETWORK_MODE =
7161                "preferred_network_mode";
7162
7163        /**
7164         * Setting to 1 will hide carrier network settings.
7165         * Default is 0.
7166         */
7167        public static final String HIDE_CARRIER_NETWORK_SETTINGS =
7168                "hide_carrier_network_settings";
7169
7170        /**
7171         * Name of an application package to be debugged.
7172         */
7173        public static final String DEBUG_APP = "debug_app";
7174
7175        /**
7176         * If 1, when launching DEBUG_APP it will wait for the debugger before
7177         * starting user code.  If 0, it will run normally.
7178         */
7179        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
7180
7181        /**
7182         * Control whether the process CPU usage meter should be shown.
7183         */
7184        public static final String SHOW_PROCESSES = "show_processes";
7185
7186        /**
7187         * If 1 low power mode is enabled.
7188         * @hide
7189         */
7190        public static final String LOW_POWER_MODE = "low_power";
7191
7192        /**
7193         * Battery level [1-99] at which low power mode automatically turns on.
7194         * If 0, it will not automatically turn on.
7195         * @hide
7196         */
7197        public static final String LOW_POWER_MODE_TRIGGER_LEVEL = "low_power_trigger_level";
7198
7199         /**
7200         * If 1, the activity manager will aggressively finish activities and
7201         * processes as soon as they are no longer needed.  If 0, the normal
7202         * extended lifetime is used.
7203         */
7204        public static final String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
7205
7206        /**
7207         * Use Dock audio output for media:
7208         *      0 = disabled
7209         *      1 = enabled
7210         * @hide
7211         */
7212        public static final String DOCK_AUDIO_MEDIA_ENABLED = "dock_audio_media_enabled";
7213
7214        /**
7215         * Persisted safe headphone volume management state by AudioService
7216         * @hide
7217         */
7218        public static final String AUDIO_SAFE_VOLUME_STATE = "audio_safe_volume_state";
7219
7220        /**
7221         * URL for tzinfo (time zone) updates
7222         * @hide
7223         */
7224        public static final String TZINFO_UPDATE_CONTENT_URL = "tzinfo_content_url";
7225
7226        /**
7227         * URL for tzinfo (time zone) update metadata
7228         * @hide
7229         */
7230        public static final String TZINFO_UPDATE_METADATA_URL = "tzinfo_metadata_url";
7231
7232        /**
7233         * URL for selinux (mandatory access control) updates
7234         * @hide
7235         */
7236        public static final String SELINUX_UPDATE_CONTENT_URL = "selinux_content_url";
7237
7238        /**
7239         * URL for selinux (mandatory access control) update metadata
7240         * @hide
7241         */
7242        public static final String SELINUX_UPDATE_METADATA_URL = "selinux_metadata_url";
7243
7244        /**
7245         * URL for sms short code updates
7246         * @hide
7247         */
7248        public static final String SMS_SHORT_CODES_UPDATE_CONTENT_URL =
7249                "sms_short_codes_content_url";
7250
7251        /**
7252         * URL for sms short code update metadata
7253         * @hide
7254         */
7255        public static final String SMS_SHORT_CODES_UPDATE_METADATA_URL =
7256                "sms_short_codes_metadata_url";
7257
7258        /**
7259         * URL for cert pinlist updates
7260         * @hide
7261         */
7262        public static final String CERT_PIN_UPDATE_CONTENT_URL = "cert_pin_content_url";
7263
7264        /**
7265         * URL for cert pinlist updates
7266         * @hide
7267         */
7268        public static final String CERT_PIN_UPDATE_METADATA_URL = "cert_pin_metadata_url";
7269
7270        /**
7271         * URL for intent firewall updates
7272         * @hide
7273         */
7274        public static final String INTENT_FIREWALL_UPDATE_CONTENT_URL =
7275                "intent_firewall_content_url";
7276
7277        /**
7278         * URL for intent firewall update metadata
7279         * @hide
7280         */
7281        public static final String INTENT_FIREWALL_UPDATE_METADATA_URL =
7282                "intent_firewall_metadata_url";
7283
7284        /**
7285         * SELinux enforcement status. If 0, permissive; if 1, enforcing.
7286         * @hide
7287         */
7288        public static final String SELINUX_STATUS = "selinux_status";
7289
7290        /**
7291         * Developer setting to force RTL layout.
7292         * @hide
7293         */
7294        public static final String DEVELOPMENT_FORCE_RTL = "debug.force_rtl";
7295
7296        /**
7297         * Milliseconds after screen-off after which low battery sounds will be silenced.
7298         *
7299         * If zero, battery sounds will always play.
7300         * Defaults to @integer/def_low_battery_sound_timeout in SettingsProvider.
7301         *
7302         * @hide
7303         */
7304        public static final String LOW_BATTERY_SOUND_TIMEOUT = "low_battery_sound_timeout";
7305
7306        /**
7307         * Milliseconds to wait before bouncing Wi-Fi after settings is restored. Note that after
7308         * the caller is done with this, they should call {@link ContentResolver#delete} to
7309         * clean up any value that they may have written.
7310         *
7311         * @hide
7312         */
7313        public static final String WIFI_BOUNCE_DELAY_OVERRIDE_MS = "wifi_bounce_delay_override_ms";
7314
7315        /**
7316         * Defines global runtime overrides to window policy.
7317         *
7318         * See {@link com.android.server.policy.PolicyControl} for value format.
7319         *
7320         * @hide
7321         */
7322        public static final String POLICY_CONTROL = "policy_control";
7323
7324        /**
7325         * Defines global zen mode.  ZEN_MODE_OFF, ZEN_MODE_IMPORTANT_INTERRUPTIONS,
7326         * or ZEN_MODE_NO_INTERRUPTIONS.
7327         *
7328         * @hide
7329         */
7330        public static final String ZEN_MODE = "zen_mode";
7331
7332        /** @hide */ public static final int ZEN_MODE_OFF = 0;
7333        /** @hide */ public static final int ZEN_MODE_IMPORTANT_INTERRUPTIONS = 1;
7334        /** @hide */ public static final int ZEN_MODE_NO_INTERRUPTIONS = 2;
7335        /** @hide */ public static final int ZEN_MODE_ALARMS = 3;
7336
7337        /** @hide */ public static String zenModeToString(int mode) {
7338            if (mode == ZEN_MODE_IMPORTANT_INTERRUPTIONS) return "ZEN_MODE_IMPORTANT_INTERRUPTIONS";
7339            if (mode == ZEN_MODE_ALARMS) return "ZEN_MODE_ALARMS";
7340            if (mode == ZEN_MODE_NO_INTERRUPTIONS) return "ZEN_MODE_NO_INTERRUPTIONS";
7341            return "ZEN_MODE_OFF";
7342        }
7343
7344        /** @hide */ public static boolean isValidZenMode(int value) {
7345            switch (value) {
7346                case Global.ZEN_MODE_OFF:
7347                case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS:
7348                case Global.ZEN_MODE_ALARMS:
7349                case Global.ZEN_MODE_NO_INTERRUPTIONS:
7350                    return true;
7351                default:
7352                    return false;
7353            }
7354        }
7355
7356        /**
7357         * Opaque value, changes when persisted zen mode configuration changes.
7358         *
7359         * @hide
7360         */
7361        public static final String ZEN_MODE_CONFIG_ETAG = "zen_mode_config_etag";
7362
7363        /**
7364         * Defines global heads up toggle.  One of HEADS_UP_OFF, HEADS_UP_ON.
7365         *
7366         * @hide
7367         */
7368        public static final String HEADS_UP_NOTIFICATIONS_ENABLED =
7369                "heads_up_notifications_enabled";
7370
7371        /** @hide */ public static final int HEADS_UP_OFF = 0;
7372        /** @hide */ public static final int HEADS_UP_ON = 1;
7373
7374        /**
7375         * The name of the device
7376         *
7377         * @hide
7378         */
7379        public static final String DEVICE_NAME = "device_name";
7380
7381        /**
7382         * Whether it should be possible to create a guest user on the device.
7383         * <p>
7384         * Type: int (0 for disabled, 1 for enabled)
7385         * @hide
7386         */
7387        public static final String GUEST_USER_ENABLED = "guest_user_enabled";
7388
7389        /**
7390         * Whether the NetworkScoringService has been first initialized.
7391         * <p>
7392         * Type: int (0 for false, 1 for true)
7393         * @hide
7394         */
7395        public static final String NETWORK_SCORING_PROVISIONED = "network_scoring_provisioned";
7396
7397        /**
7398         * Whether the user wants to be prompted for password to decrypt the device on boot.
7399         * This only matters if the storage is encrypted.
7400         * <p>
7401         * Type: int (0 for false, 1 for true)
7402         * @hide
7403         */
7404        public static final String REQUIRE_PASSWORD_TO_DECRYPT = "require_password_to_decrypt";
7405
7406        /**
7407         * Whether the Volte/VT is enabled
7408         * <p>
7409         * Type: int (0 for false, 1 for true)
7410         * @hide
7411         */
7412        public static final String ENHANCED_4G_MODE_ENABLED = "volte_vt_enabled";
7413
7414        /**
7415         * Whether WFC is enabled
7416         * <p>
7417         * Type: int (0 for false, 1 for true)
7418         *
7419         * @hide
7420         */
7421        public static final String WFC_IMS_ENABLED = "wfc_ims_enabled";
7422
7423        /**
7424         * WFC Mode.
7425         * <p>
7426         * Type: int - 2=Wi-Fi preferred, 1=Cellular preferred, 0=Wi-Fi only
7427         *
7428         * @hide
7429         */
7430        public static final String WFC_IMS_MODE = "wfc_ims_mode";
7431
7432        /**
7433         * Whether WFC roaming is enabled
7434         * <p>
7435         * Type: int (0 for false, 1 for true)
7436         *
7437         * @hide
7438         */
7439        public static final String WFC_IMS_ROAMING_ENABLED = "wfc_ims_roaming_enabled";
7440
7441        /**
7442         * Global override to disable VoLTE (independent of user setting)
7443         * <p>
7444         * Type: int (1 for disable VoLTE, 0 to use user configuration)
7445         * @hide
7446         */
7447        public static final String VOLTE_FEATURE_DISABLED = "volte_feature_disabled";
7448
7449        /**
7450         * Whether user can enable/disable LTE as a preferred network. A carrier might control
7451         * this via gservices, OMA-DM, carrier app, etc.
7452         * <p>
7453         * Type: int (0 for false, 1 for true)
7454         * @hide
7455         */
7456        public static final String LTE_SERVICE_FORCED = "lte_service_forced";
7457
7458        /**
7459         * Settings to backup. This is here so that it's in the same place as the settings
7460         * keys and easy to update.
7461         *
7462         * These keys may be mentioned in the SETTINGS_TO_BACKUP arrays in System
7463         * and Secure as well.  This is because those tables drive both backup and
7464         * restore, and restore needs to properly whitelist keys that used to live
7465         * in those namespaces.  The keys will only actually be backed up / restored
7466         * if they are also mentioned in this table (Global.SETTINGS_TO_BACKUP).
7467         *
7468         * NOTE: Settings are backed up and restored in the order they appear
7469         *       in this array. If you have one setting depending on another,
7470         *       make sure that they are ordered appropriately.
7471         *
7472         * @hide
7473         */
7474        public static final String[] SETTINGS_TO_BACKUP = {
7475            BUGREPORT_IN_POWER_MENU,
7476            STAY_ON_WHILE_PLUGGED_IN,
7477            AUTO_TIME,
7478            AUTO_TIME_ZONE,
7479            POWER_SOUNDS_ENABLED,
7480            DOCK_SOUNDS_ENABLED,
7481            USB_MASS_STORAGE_ENABLED,
7482            ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
7483            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
7484            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
7485            WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
7486            WIFI_NUM_OPEN_NETWORKS_KEPT,
7487            EMERGENCY_TONE,
7488            CALL_AUTO_RETRY,
7489            DOCK_AUDIO_MEDIA_ENABLED,
7490            LOW_POWER_MODE_TRIGGER_LEVEL
7491        };
7492
7493        // Populated lazily, guarded by class object:
7494        private static NameValueCache sNameValueCache = new NameValueCache(
7495                    SYS_PROP_SETTING_VERSION,
7496                    CONTENT_URI,
7497                    CALL_METHOD_GET_GLOBAL,
7498                    CALL_METHOD_PUT_GLOBAL);
7499
7500        // Certain settings have been moved from global to the per-user secure namespace
7501        private static final HashSet<String> MOVED_TO_SECURE;
7502        static {
7503            MOVED_TO_SECURE = new HashSet<String>(1);
7504            MOVED_TO_SECURE.add(Settings.Global.INSTALL_NON_MARKET_APPS);
7505        }
7506
7507        /** @hide */
7508        public static void getMovedToSecureSettings(Set<String> outKeySet) {
7509            outKeySet.addAll(MOVED_TO_SECURE);
7510        }
7511
7512        /**
7513         * Look up a name in the database.
7514         * @param resolver to access the database with
7515         * @param name to look up in the table
7516         * @return the corresponding value, or null if not present
7517         */
7518        public static String getString(ContentResolver resolver, String name) {
7519            return getStringForUser(resolver, name, UserHandle.myUserId());
7520        }
7521
7522        /** @hide */
7523        public static String getStringForUser(ContentResolver resolver, String name,
7524                int userHandle) {
7525            if (MOVED_TO_SECURE.contains(name)) {
7526                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7527                        + " to android.provider.Settings.Secure, returning read-only value.");
7528                return Secure.getStringForUser(resolver, name, userHandle);
7529            }
7530            return sNameValueCache.getStringForUser(resolver, name, userHandle);
7531        }
7532
7533        /**
7534         * Store a name/value pair into the database.
7535         * @param resolver to access the database with
7536         * @param name to store
7537         * @param value to associate with the name
7538         * @return true if the value was set, false on database errors
7539         */
7540        public static boolean putString(ContentResolver resolver,
7541                String name, String value) {
7542            return putStringForUser(resolver, name, value, UserHandle.myUserId());
7543        }
7544
7545        /** @hide */
7546        public static boolean putStringForUser(ContentResolver resolver,
7547                String name, String value, int userHandle) {
7548            if (LOCAL_LOGV) {
7549                Log.v(TAG, "Global.putString(name=" + name + ", value=" + value
7550                        + " for " + userHandle);
7551            }
7552            // Global and Secure have the same access policy so we can forward writes
7553            if (MOVED_TO_SECURE.contains(name)) {
7554                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.Global"
7555                        + " to android.provider.Settings.Secure, value is unchanged.");
7556                return Secure.putStringForUser(resolver, name, value, userHandle);
7557            }
7558            return sNameValueCache.putStringForUser(resolver, name, value, userHandle);
7559        }
7560
7561        /**
7562         * Construct the content URI for a particular name/value pair,
7563         * useful for monitoring changes with a ContentObserver.
7564         * @param name to look up in the table
7565         * @return the corresponding content URI, or null if not present
7566         */
7567        public static Uri getUriFor(String name) {
7568            return getUriFor(CONTENT_URI, name);
7569        }
7570
7571        /**
7572         * Convenience function for retrieving a single secure settings value
7573         * as an integer.  Note that internally setting values are always
7574         * stored as strings; this function converts the string to an integer
7575         * for you.  The default value will be returned if the setting is
7576         * not defined or not an integer.
7577         *
7578         * @param cr The ContentResolver to access.
7579         * @param name The name of the setting to retrieve.
7580         * @param def Value to return if the setting is not defined.
7581         *
7582         * @return The setting's current value, or 'def' if it is not defined
7583         * or not a valid integer.
7584         */
7585        public static int getInt(ContentResolver cr, String name, int def) {
7586            String v = getString(cr, name);
7587            try {
7588                return v != null ? Integer.parseInt(v) : def;
7589            } catch (NumberFormatException e) {
7590                return def;
7591            }
7592        }
7593
7594        /**
7595         * Convenience function for retrieving a single secure settings value
7596         * as an integer.  Note that internally setting values are always
7597         * stored as strings; this function converts the string to an integer
7598         * for you.
7599         * <p>
7600         * This version does not take a default value.  If the setting has not
7601         * been set, or the string value is not a number,
7602         * it throws {@link SettingNotFoundException}.
7603         *
7604         * @param cr The ContentResolver to access.
7605         * @param name The name of the setting to retrieve.
7606         *
7607         * @throws SettingNotFoundException Thrown if a setting by the given
7608         * name can't be found or the setting value is not an integer.
7609         *
7610         * @return The setting's current value.
7611         */
7612        public static int getInt(ContentResolver cr, String name)
7613                throws SettingNotFoundException {
7614            String v = getString(cr, name);
7615            try {
7616                return Integer.parseInt(v);
7617            } catch (NumberFormatException e) {
7618                throw new SettingNotFoundException(name);
7619            }
7620        }
7621
7622        /**
7623         * Convenience function for updating a single settings value as an
7624         * integer. This will either create a new entry in the table if the
7625         * given name does not exist, or modify the value of the existing row
7626         * with that name.  Note that internally setting values are always
7627         * stored as strings, so this function converts the given value to a
7628         * string before storing it.
7629         *
7630         * @param cr The ContentResolver to access.
7631         * @param name The name of the setting to modify.
7632         * @param value The new value for the setting.
7633         * @return true if the value was set, false on database errors
7634         */
7635        public static boolean putInt(ContentResolver cr, String name, int value) {
7636            return putString(cr, name, Integer.toString(value));
7637        }
7638
7639        /**
7640         * Convenience function for retrieving a single secure settings value
7641         * as a {@code long}.  Note that internally setting values are always
7642         * stored as strings; this function converts the string to a {@code long}
7643         * for you.  The default value will be returned if the setting is
7644         * not defined or not a {@code long}.
7645         *
7646         * @param cr The ContentResolver to access.
7647         * @param name The name of the setting to retrieve.
7648         * @param def Value to return if the setting is not defined.
7649         *
7650         * @return The setting's current value, or 'def' if it is not defined
7651         * or not a valid {@code long}.
7652         */
7653        public static long getLong(ContentResolver cr, String name, long def) {
7654            String valString = getString(cr, name);
7655            long value;
7656            try {
7657                value = valString != null ? Long.parseLong(valString) : def;
7658            } catch (NumberFormatException e) {
7659                value = def;
7660            }
7661            return value;
7662        }
7663
7664        /**
7665         * Convenience function for retrieving a single secure settings value
7666         * as a {@code long}.  Note that internally setting values are always
7667         * stored as strings; this function converts the string to a {@code long}
7668         * for you.
7669         * <p>
7670         * This version does not take a default value.  If the setting has not
7671         * been set, or the string value is not a number,
7672         * it throws {@link SettingNotFoundException}.
7673         *
7674         * @param cr The ContentResolver to access.
7675         * @param name The name of the setting to retrieve.
7676         *
7677         * @return The setting's current value.
7678         * @throws SettingNotFoundException Thrown if a setting by the given
7679         * name can't be found or the setting value is not an integer.
7680         */
7681        public static long getLong(ContentResolver cr, String name)
7682                throws SettingNotFoundException {
7683            String valString = getString(cr, name);
7684            try {
7685                return Long.parseLong(valString);
7686            } catch (NumberFormatException e) {
7687                throw new SettingNotFoundException(name);
7688            }
7689        }
7690
7691        /**
7692         * Convenience function for updating a secure settings value as a long
7693         * integer. This will either create a new entry in the table if the
7694         * given name does not exist, or modify the value of the existing row
7695         * with that name.  Note that internally setting values are always
7696         * stored as strings, so this function converts the given value to a
7697         * string before storing it.
7698         *
7699         * @param cr The ContentResolver to access.
7700         * @param name The name of the setting to modify.
7701         * @param value The new value for the setting.
7702         * @return true if the value was set, false on database errors
7703         */
7704        public static boolean putLong(ContentResolver cr, String name, long value) {
7705            return putString(cr, name, Long.toString(value));
7706        }
7707
7708        /**
7709         * Convenience function for retrieving a single secure settings value
7710         * as a floating point number.  Note that internally setting values are
7711         * always stored as strings; this function converts the string to an
7712         * float for you. The default value will be returned if the setting
7713         * is not defined or not a valid float.
7714         *
7715         * @param cr The ContentResolver to access.
7716         * @param name The name of the setting to retrieve.
7717         * @param def Value to return if the setting is not defined.
7718         *
7719         * @return The setting's current value, or 'def' if it is not defined
7720         * or not a valid float.
7721         */
7722        public static float getFloat(ContentResolver cr, String name, float def) {
7723            String v = getString(cr, name);
7724            try {
7725                return v != null ? Float.parseFloat(v) : def;
7726            } catch (NumberFormatException e) {
7727                return def;
7728            }
7729        }
7730
7731        /**
7732         * Convenience function for retrieving a single secure settings value
7733         * as a float.  Note that internally setting values are always
7734         * stored as strings; this function converts the string to a float
7735         * for you.
7736         * <p>
7737         * This version does not take a default value.  If the setting has not
7738         * been set, or the string value is not a number,
7739         * it throws {@link SettingNotFoundException}.
7740         *
7741         * @param cr The ContentResolver to access.
7742         * @param name The name of the setting to retrieve.
7743         *
7744         * @throws SettingNotFoundException Thrown if a setting by the given
7745         * name can't be found or the setting value is not a float.
7746         *
7747         * @return The setting's current value.
7748         */
7749        public static float getFloat(ContentResolver cr, String name)
7750                throws SettingNotFoundException {
7751            String v = getString(cr, name);
7752            if (v == null) {
7753                throw new SettingNotFoundException(name);
7754            }
7755            try {
7756                return Float.parseFloat(v);
7757            } catch (NumberFormatException e) {
7758                throw new SettingNotFoundException(name);
7759            }
7760        }
7761
7762        /**
7763         * Convenience function for updating a single settings value as a
7764         * floating point number. This will either create a new entry in the
7765         * table if the given name does not exist, or modify the value of the
7766         * existing row with that name.  Note that internally setting values
7767         * are always stored as strings, so this function converts the given
7768         * value to a string before storing it.
7769         *
7770         * @param cr The ContentResolver to access.
7771         * @param name The name of the setting to modify.
7772         * @param value The new value for the setting.
7773         * @return true if the value was set, false on database errors
7774         */
7775        public static boolean putFloat(ContentResolver cr, String name, float value) {
7776            return putString(cr, name, Float.toString(value));
7777        }
7778
7779
7780        /**
7781          * Subscription to be used for voice call on a multi sim device. The supported values
7782          * are 0 = SUB1, 1 = SUB2 and etc.
7783          * @hide
7784          */
7785        public static final String MULTI_SIM_VOICE_CALL_SUBSCRIPTION = "multi_sim_voice_call";
7786
7787        /**
7788          * Used to provide option to user to select subscription during dial.
7789          * The supported values are 0 = disable or 1 = enable prompt.
7790          * @hide
7791          */
7792        public static final String MULTI_SIM_VOICE_PROMPT = "multi_sim_voice_prompt";
7793
7794        /**
7795          * Subscription to be used for data call on a multi sim device. The supported values
7796          * are 0 = SUB1, 1 = SUB2 and etc.
7797          * @hide
7798          */
7799        public static final String MULTI_SIM_DATA_CALL_SUBSCRIPTION = "multi_sim_data_call";
7800
7801        /**
7802          * Subscription to be used for SMS on a multi sim device. The supported values
7803          * are 0 = SUB1, 1 = SUB2 and etc.
7804          * @hide
7805          */
7806        public static final String MULTI_SIM_SMS_SUBSCRIPTION = "multi_sim_sms";
7807
7808       /**
7809          * Used to provide option to user to select subscription during send SMS.
7810          * The value 1 - enable, 0 - disable
7811          * @hide
7812          */
7813        public static final String MULTI_SIM_SMS_PROMPT = "multi_sim_sms_prompt";
7814
7815
7816
7817        /** User preferred subscriptions setting.
7818          * This holds the details of the user selected subscription from the card and
7819          * the activation status. Each settings string have the coma separated values
7820          * iccId,appType,appId,activationStatus,3gppIndex,3gpp2Index
7821          * @hide
7822         */
7823        public static final String[] MULTI_SIM_USER_PREFERRED_SUBS = {"user_preferred_sub1",
7824                "user_preferred_sub2","user_preferred_sub3"};
7825
7826        /**
7827         * Whether to enable new contacts aggregator or not.
7828         * The value 1 - enable, 0 - disable
7829         * @hide
7830         */
7831        public static final String NEW_CONTACT_AGGREGATOR = "new_contact_aggregator";
7832
7833        /**
7834         * Whether to enable contacts metadata syncing or not
7835         * The value 1 - enable, 0 - disable
7836         * @hide
7837         */
7838        public static final String CONTACT_METADATA_SYNC = "contact_metadata_sync";
7839    }
7840
7841    /**
7842     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
7843     * Intent URL, allowing it to be either a web page or a particular
7844     * application activity.
7845     *
7846     * @hide
7847     */
7848    public static final class Bookmarks implements BaseColumns
7849    {
7850        private static final String TAG = "Bookmarks";
7851
7852        /**
7853         * The content:// style URL for this table
7854         */
7855        public static final Uri CONTENT_URI =
7856            Uri.parse("content://" + AUTHORITY + "/bookmarks");
7857
7858        /**
7859         * The row ID.
7860         * <p>Type: INTEGER</p>
7861         */
7862        public static final String ID = "_id";
7863
7864        /**
7865         * Descriptive name of the bookmark that can be displayed to the user.
7866         * If this is empty, the title should be resolved at display time (use
7867         * {@link #getTitle(Context, Cursor)} any time you want to display the
7868         * title of a bookmark.)
7869         * <P>
7870         * Type: TEXT
7871         * </P>
7872         */
7873        public static final String TITLE = "title";
7874
7875        /**
7876         * Arbitrary string (displayed to the user) that allows bookmarks to be
7877         * organized into categories.  There are some special names for
7878         * standard folders, which all start with '@'.  The label displayed for
7879         * the folder changes with the locale (via {@link #getLabelForFolder}) but
7880         * the folder name does not change so you can consistently query for
7881         * the folder regardless of the current locale.
7882         *
7883         * <P>Type: TEXT</P>
7884         *
7885         */
7886        public static final String FOLDER = "folder";
7887
7888        /**
7889         * The Intent URL of the bookmark, describing what it points to.  This
7890         * value is given to {@link android.content.Intent#getIntent} to create
7891         * an Intent that can be launched.
7892         * <P>Type: TEXT</P>
7893         */
7894        public static final String INTENT = "intent";
7895
7896        /**
7897         * Optional shortcut character associated with this bookmark.
7898         * <P>Type: INTEGER</P>
7899         */
7900        public static final String SHORTCUT = "shortcut";
7901
7902        /**
7903         * The order in which the bookmark should be displayed
7904         * <P>Type: INTEGER</P>
7905         */
7906        public static final String ORDERING = "ordering";
7907
7908        private static final String[] sIntentProjection = { INTENT };
7909        private static final String[] sShortcutProjection = { ID, SHORTCUT };
7910        private static final String sShortcutSelection = SHORTCUT + "=?";
7911
7912        /**
7913         * Convenience function to retrieve the bookmarked Intent for a
7914         * particular shortcut key.
7915         *
7916         * @param cr The ContentResolver to query.
7917         * @param shortcut The shortcut key.
7918         *
7919         * @return Intent The bookmarked URL, or null if there is no bookmark
7920         *         matching the given shortcut.
7921         */
7922        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
7923        {
7924            Intent intent = null;
7925
7926            Cursor c = cr.query(CONTENT_URI,
7927                    sIntentProjection, sShortcutSelection,
7928                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
7929            // Keep trying until we find a valid shortcut
7930            try {
7931                while (intent == null && c.moveToNext()) {
7932                    try {
7933                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
7934                        intent = Intent.parseUri(intentURI, 0);
7935                    } catch (java.net.URISyntaxException e) {
7936                        // The stored URL is bad...  ignore it.
7937                    } catch (IllegalArgumentException e) {
7938                        // Column not found
7939                        Log.w(TAG, "Intent column not found", e);
7940                    }
7941                }
7942            } finally {
7943                if (c != null) c.close();
7944            }
7945
7946            return intent;
7947        }
7948
7949        /**
7950         * Add a new bookmark to the system.
7951         *
7952         * @param cr The ContentResolver to query.
7953         * @param intent The desired target of the bookmark.
7954         * @param title Bookmark title that is shown to the user; null if none
7955         *            or it should be resolved to the intent's title.
7956         * @param folder Folder in which to place the bookmark; null if none.
7957         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
7958         *            this is non-zero and there is an existing bookmark entry
7959         *            with this same shortcut, then that existing shortcut is
7960         *            cleared (the bookmark is not removed).
7961         * @return The unique content URL for the new bookmark entry.
7962         */
7963        public static Uri add(ContentResolver cr,
7964                                           Intent intent,
7965                                           String title,
7966                                           String folder,
7967                                           char shortcut,
7968                                           int ordering)
7969        {
7970            // If a shortcut is supplied, and it is already defined for
7971            // another bookmark, then remove the old definition.
7972            if (shortcut != 0) {
7973                cr.delete(CONTENT_URI, sShortcutSelection,
7974                        new String[] { String.valueOf((int) shortcut) });
7975            }
7976
7977            ContentValues values = new ContentValues();
7978            if (title != null) values.put(TITLE, title);
7979            if (folder != null) values.put(FOLDER, folder);
7980            values.put(INTENT, intent.toUri(0));
7981            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
7982            values.put(ORDERING, ordering);
7983            return cr.insert(CONTENT_URI, values);
7984        }
7985
7986        /**
7987         * Return the folder name as it should be displayed to the user.  This
7988         * takes care of localizing special folders.
7989         *
7990         * @param r Resources object for current locale; only need access to
7991         *          system resources.
7992         * @param folder The value found in the {@link #FOLDER} column.
7993         *
7994         * @return CharSequence The label for this folder that should be shown
7995         *         to the user.
7996         */
7997        public static CharSequence getLabelForFolder(Resources r, String folder) {
7998            return folder;
7999        }
8000
8001        /**
8002         * Return the title as it should be displayed to the user. This takes
8003         * care of localizing bookmarks that point to activities.
8004         *
8005         * @param context A context.
8006         * @param cursor A cursor pointing to the row whose title should be
8007         *        returned. The cursor must contain at least the {@link #TITLE}
8008         *        and {@link #INTENT} columns.
8009         * @return A title that is localized and can be displayed to the user,
8010         *         or the empty string if one could not be found.
8011         */
8012        public static CharSequence getTitle(Context context, Cursor cursor) {
8013            int titleColumn = cursor.getColumnIndex(TITLE);
8014            int intentColumn = cursor.getColumnIndex(INTENT);
8015            if (titleColumn == -1 || intentColumn == -1) {
8016                throw new IllegalArgumentException(
8017                        "The cursor must contain the TITLE and INTENT columns.");
8018            }
8019
8020            String title = cursor.getString(titleColumn);
8021            if (!TextUtils.isEmpty(title)) {
8022                return title;
8023            }
8024
8025            String intentUri = cursor.getString(intentColumn);
8026            if (TextUtils.isEmpty(intentUri)) {
8027                return "";
8028            }
8029
8030            Intent intent;
8031            try {
8032                intent = Intent.parseUri(intentUri, 0);
8033            } catch (URISyntaxException e) {
8034                return "";
8035            }
8036
8037            PackageManager packageManager = context.getPackageManager();
8038            ResolveInfo info = packageManager.resolveActivity(intent, 0);
8039            return info != null ? info.loadLabel(packageManager) : "";
8040        }
8041    }
8042
8043    /**
8044     * Returns the device ID that we should use when connecting to the mobile gtalk server.
8045     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
8046     * from the GoogleLoginService.
8047     *
8048     * @param androidId The Android ID for this device.
8049     * @return The device ID that should be used when connecting to the mobile gtalk server.
8050     * @hide
8051     */
8052    public static String getGTalkDeviceId(long androidId) {
8053        return "android-" + Long.toHexString(androidId);
8054    }
8055}
8056