Settings.java revision 52bfc243684b2f340da326aaa38e9021e4e3b2e6
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.app.SearchManager;
22import android.content.ComponentName;
23import android.content.ContentResolver;
24import android.content.ContentValues;
25import android.content.Context;
26import android.content.IContentProvider;
27import android.content.Intent;
28import android.content.pm.ActivityInfo;
29import android.content.pm.PackageManager;
30import android.content.pm.ResolveInfo;
31import android.content.res.Configuration;
32import android.content.res.Resources;
33import android.database.Cursor;
34import android.database.SQLException;
35import android.net.Uri;
36import android.net.wifi.WifiManager;
37import android.os.BatteryManager;
38import android.os.Bundle;
39import android.os.RemoteException;
40import android.os.SystemProperties;
41import android.speech.tts.TextToSpeech;
42import android.text.TextUtils;
43import android.util.AndroidException;
44import android.util.Log;
45import android.view.WindowOrientationListener;
46
47import java.net.URISyntaxException;
48import java.util.HashMap;
49import java.util.HashSet;
50
51/**
52 * The Settings provider contains global system-level device preferences.
53 */
54public final class Settings {
55
56    // Intent actions for Settings
57
58    /**
59     * Activity Action: Show system settings.
60     * <p>
61     * Input: Nothing.
62     * <p>
63     * Output: Nothing.
64     */
65    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
66    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
67
68    /**
69     * Activity Action: Show settings to allow configuration of APNs.
70     * <p>
71     * Input: Nothing.
72     * <p>
73     * Output: Nothing.
74     */
75    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
76    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
77
78    /**
79     * Activity Action: Show settings to allow configuration of current location
80     * sources.
81     * <p>
82     * In some cases, a matching Activity may not exist, so ensure you
83     * safeguard against this.
84     * <p>
85     * Input: Nothing.
86     * <p>
87     * Output: Nothing.
88     */
89    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
90    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
91            "android.settings.LOCATION_SOURCE_SETTINGS";
92
93    /**
94     * Activity Action: Show settings to allow configuration of wireless controls
95     * such as Wi-Fi, Bluetooth and Mobile networks.
96     * <p>
97     * In some cases, a matching Activity may not exist, so ensure you
98     * safeguard against this.
99     * <p>
100     * Input: Nothing.
101     * <p>
102     * Output: Nothing.
103     */
104    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
105    public static final String ACTION_WIRELESS_SETTINGS =
106            "android.settings.WIRELESS_SETTINGS";
107
108    /**
109     * Activity Action: Show settings to allow entering/exiting airplane mode.
110     * <p>
111     * In some cases, a matching Activity may not exist, so ensure you
112     * safeguard against this.
113     * <p>
114     * Input: Nothing.
115     * <p>
116     * Output: Nothing.
117     */
118    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
119    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
120            "android.settings.AIRPLANE_MODE_SETTINGS";
121
122    /**
123     * Activity Action: Show settings for accessibility modules.
124     * <p>
125     * In some cases, a matching Activity may not exist, so ensure you
126     * safeguard against this.
127     * <p>
128     * Input: Nothing.
129     * <p>
130     * Output: Nothing.
131     */
132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
133    public static final String ACTION_ACCESSIBILITY_SETTINGS =
134            "android.settings.ACCESSIBILITY_SETTINGS";
135
136    /**
137     * Activity Action: Show settings to allow configuration of security and
138     * location privacy.
139     * <p>
140     * In some cases, a matching Activity may not exist, so ensure you
141     * safeguard against this.
142     * <p>
143     * Input: Nothing.
144     * <p>
145     * Output: Nothing.
146     */
147    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
148    public static final String ACTION_SECURITY_SETTINGS =
149            "android.settings.SECURITY_SETTINGS";
150
151    /**
152     * Activity Action: Show settings to allow configuration of privacy options.
153     * <p>
154     * In some cases, a matching Activity may not exist, so ensure you
155     * safeguard against this.
156     * <p>
157     * Input: Nothing.
158     * <p>
159     * Output: Nothing.
160     */
161    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
162    public static final String ACTION_PRIVACY_SETTINGS =
163            "android.settings.PRIVACY_SETTINGS";
164
165    /**
166     * Activity Action: Show settings to allow configuration of Wi-Fi.
167
168     * <p>
169     * In some cases, a matching Activity may not exist, so ensure you
170     * safeguard against this.
171     * <p>
172     * Input: Nothing.
173     * <p>
174     * Output: Nothing.
175
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_WIFI_SETTINGS =
179            "android.settings.WIFI_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to allow configuration of a static IP
183     * address for Wi-Fi.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you safeguard
186     * against this.
187     * <p>
188     * Input: Nothing.
189     * <p>
190     * Output: Nothing.
191     */
192    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
193    public static final String ACTION_WIFI_IP_SETTINGS =
194            "android.settings.WIFI_IP_SETTINGS";
195
196    /**
197     * Activity Action: Show settings to allow configuration of Bluetooth.
198     * <p>
199     * In some cases, a matching Activity may not exist, so ensure you
200     * safeguard against this.
201     * <p>
202     * Input: Nothing.
203     * <p>
204     * Output: Nothing.
205     */
206    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
207    public static final String ACTION_BLUETOOTH_SETTINGS =
208            "android.settings.BLUETOOTH_SETTINGS";
209
210    /**
211     * Activity Action: Show settings to allow configuration of date and time.
212     * <p>
213     * In some cases, a matching Activity may not exist, so ensure you
214     * safeguard against this.
215     * <p>
216     * Input: Nothing.
217     * <p>
218     * Output: Nothing.
219     */
220    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
221    public static final String ACTION_DATE_SETTINGS =
222            "android.settings.DATE_SETTINGS";
223
224    /**
225     * Activity Action: Show settings to allow configuration of sound and volume.
226     * <p>
227     * In some cases, a matching Activity may not exist, so ensure you
228     * safeguard against this.
229     * <p>
230     * Input: Nothing.
231     * <p>
232     * Output: Nothing.
233     */
234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
235    public static final String ACTION_SOUND_SETTINGS =
236            "android.settings.SOUND_SETTINGS";
237
238    /**
239     * Activity Action: Show settings to allow configuration of display.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_DISPLAY_SETTINGS =
250            "android.settings.DISPLAY_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to allow configuration of locale.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261     */
262    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
263    public static final String ACTION_LOCALE_SETTINGS =
264            "android.settings.LOCALE_SETTINGS";
265
266    /**
267     * Activity Action: Show settings to configure input methods, in particular
268     * allowing the user to enable input methods.
269     * <p>
270     * In some cases, a matching Activity may not exist, so ensure you
271     * safeguard against this.
272     * <p>
273     * Input: Nothing.
274     * <p>
275     * Output: Nothing.
276     */
277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
278    public static final String ACTION_INPUT_METHOD_SETTINGS =
279            "android.settings.INPUT_METHOD_SETTINGS";
280
281    /**
282     * Activity Action: Show settings to enable/disable input method subtypes.
283     * <p>
284     * In some cases, a matching Activity may not exist, so ensure you
285     * safeguard against this.
286     * <p>
287     * To tell which input method's subtypes are displayed in the settings, add
288     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
289     * If there is no extra in this Intent, subtypes from all installed input methods
290     * will be displayed in the settings.
291     *
292     * @see android.view.inputmethod.InputMethodInfo#getId
293     * <p>
294     * Input: Nothing.
295     * <p>
296     * Output: Nothing.
297     */
298    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
299    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
300            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
301
302    /**
303     * Activity Action: Show a dialog to select input method.
304     * <p>
305     * In some cases, a matching Activity may not exist, so ensure you
306     * safeguard against this.
307     * <p>
308     * Input: Nothing.
309     * <p>
310     * Output: Nothing.
311     * @hide
312     */
313    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
314    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
315            "android.settings.SHOW_INPUT_METHOD_PICKER";
316
317    /**
318     * Activity Action: Show settings to manage the user input dictionary.
319     * <p>
320     * In some cases, a matching Activity may not exist, so ensure you
321     * safeguard against this.
322     * <p>
323     * Input: Nothing.
324     * <p>
325     * Output: Nothing.
326     */
327    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
328    public static final String ACTION_USER_DICTIONARY_SETTINGS =
329            "android.settings.USER_DICTIONARY_SETTINGS";
330
331    /**
332     * Activity Action: Adds a word to the user dictionary.
333     * <p>
334     * In some cases, a matching Activity may not exist, so ensure you
335     * safeguard against this.
336     * <p>
337     * Input: An extra with key <code>word</code> that contains the word
338     * that should be added to the dictionary.
339     * <p>
340     * Output: Nothing.
341     *
342     * @hide
343     */
344    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
345    public static final String ACTION_USER_DICTIONARY_INSERT =
346            "com.android.settings.USER_DICTIONARY_INSERT";
347
348    /**
349     * Activity Action: Show settings to allow configuration of application-related settings.
350     * <p>
351     * In some cases, a matching Activity may not exist, so ensure you
352     * safeguard against this.
353     * <p>
354     * Input: Nothing.
355     * <p>
356     * Output: Nothing.
357     */
358    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
359    public static final String ACTION_APPLICATION_SETTINGS =
360            "android.settings.APPLICATION_SETTINGS";
361
362    /**
363     * Activity Action: Show settings to allow configuration of application
364     * development-related settings.
365     * <p>
366     * In some cases, a matching Activity may not exist, so ensure you safeguard
367     * against this.
368     * <p>
369     * Input: Nothing.
370     * <p>
371     * Output: Nothing.
372     */
373    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
374    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
375            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
376
377    /**
378     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
379     * <p>
380     * In some cases, a matching Activity may not exist, so ensure you
381     * safeguard against this.
382     * <p>
383     * Input: Nothing.
384     * <p>
385     * Output: Nothing.
386     */
387    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
388    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
389            "android.settings.QUICK_LAUNCH_SETTINGS";
390
391    /**
392     * Activity Action: Show settings to manage installed applications.
393     * <p>
394     * In some cases, a matching Activity may not exist, so ensure you
395     * safeguard against this.
396     * <p>
397     * Input: Nothing.
398     * <p>
399     * Output: Nothing.
400     */
401    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
402    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
403            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
404
405    /**
406     * Activity Action: Show settings to manage all applications.
407     * <p>
408     * In some cases, a matching Activity may not exist, so ensure you
409     * safeguard against this.
410     * <p>
411     * Input: Nothing.
412     * <p>
413     * Output: Nothing.
414     */
415    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
416    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
417            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
418
419    /**
420     * Activity Action: Show screen of details about a particular application.
421     * <p>
422     * In some cases, a matching Activity may not exist, so ensure you
423     * safeguard against this.
424     * <p>
425     * Input: The Intent's data URI specifies the application package name
426     * to be shown, with the "package" scheme.  That is "package:com.my.app".
427     * <p>
428     * Output: Nothing.
429     */
430    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
431    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
432            "android.settings.APPLICATION_DETAILS_SETTINGS";
433
434    /**
435     * Activity Action: Show settings for system update functionality.
436     * <p>
437     * In some cases, a matching Activity may not exist, so ensure you
438     * safeguard against this.
439     * <p>
440     * Input: Nothing.
441     * <p>
442     * Output: Nothing.
443     *
444     * @hide
445     */
446    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
447    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
448            "android.settings.SYSTEM_UPDATE_SETTINGS";
449
450    /**
451     * Activity Action: Show settings to allow configuration of sync settings.
452     * <p>
453     * In some cases, a matching Activity may not exist, so ensure you
454     * safeguard against this.
455     * <p>
456     * The account types available to add via the add account button may be restricted by adding an
457     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
458     * authorities. Only account types which can sync with that content provider will be offered to
459     * the user.
460     * <p>
461     * Input: Nothing.
462     * <p>
463     * Output: Nothing.
464     */
465    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
466    public static final String ACTION_SYNC_SETTINGS =
467            "android.settings.SYNC_SETTINGS";
468
469    /**
470     * Activity Action: Show add account screen for creating a new account.
471     * <p>
472     * In some cases, a matching Activity may not exist, so ensure you
473     * safeguard against this.
474     * <p>
475     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
476     * extra to the Intent with one or more syncable content provider's authorities.  Only account
477     * types which can sync with that content provider will be offered to the user.
478     * <p>
479     * Input: Nothing.
480     * <p>
481     * Output: Nothing.
482     */
483    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
484    public static final String ACTION_ADD_ACCOUNT =
485            "android.settings.ADD_ACCOUNT_SETTINGS";
486
487    /**
488     * Activity Action: Show settings for selecting the network operator.
489     * <p>
490     * In some cases, a matching Activity may not exist, so ensure you
491     * safeguard against this.
492     * <p>
493     * Input: Nothing.
494     * <p>
495     * Output: Nothing.
496     */
497    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
498    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
499            "android.settings.NETWORK_OPERATOR_SETTINGS";
500
501    /**
502     * Activity Action: Show settings for selection of 2G/3G.
503     * <p>
504     * In some cases, a matching Activity may not exist, so ensure you
505     * safeguard against this.
506     * <p>
507     * Input: Nothing.
508     * <p>
509     * Output: Nothing.
510     */
511    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
512    public static final String ACTION_DATA_ROAMING_SETTINGS =
513            "android.settings.DATA_ROAMING_SETTINGS";
514
515    /**
516     * Activity Action: Show settings for internal storage.
517     * <p>
518     * In some cases, a matching Activity may not exist, so ensure you
519     * safeguard against this.
520     * <p>
521     * Input: Nothing.
522     * <p>
523     * Output: Nothing.
524     */
525    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
526    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
527            "android.settings.INTERNAL_STORAGE_SETTINGS";
528    /**
529     * Activity Action: Show settings for memory card storage.
530     * <p>
531     * In some cases, a matching Activity may not exist, so ensure you
532     * safeguard against this.
533     * <p>
534     * Input: Nothing.
535     * <p>
536     * Output: Nothing.
537     */
538    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
539    public static final String ACTION_MEMORY_CARD_SETTINGS =
540            "android.settings.MEMORY_CARD_SETTINGS";
541
542    /**
543     * Activity Action: Show settings for global search.
544     * <p>
545     * In some cases, a matching Activity may not exist, so ensure you
546     * safeguard against this.
547     * <p>
548     * Input: Nothing.
549     * <p>
550     * Output: Nothing
551     */
552    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
553    public static final String ACTION_SEARCH_SETTINGS =
554        "android.search.action.SEARCH_SETTINGS";
555
556    /**
557     * Activity Action: Show general device information settings (serial
558     * number, software version, phone number, etc.).
559     * <p>
560     * In some cases, a matching Activity may not exist, so ensure you
561     * safeguard against this.
562     * <p>
563     * Input: Nothing.
564     * <p>
565     * Output: Nothing
566     */
567    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
568    public static final String ACTION_DEVICE_INFO_SETTINGS =
569        "android.settings.DEVICE_INFO_SETTINGS";
570
571    /**
572     * Activity Action: Show NFC sharing settings.
573     * <p>
574     * In some cases, a matching Activity may not exist, so ensure you
575     * safeguard against this.
576     * <p>
577     * Input: Nothing.
578     * <p>
579     * Output: Nothing
580     */
581    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
582    public static final String ACTION_NFCSHARING_SETTINGS =
583        "android.settings.NFCSHARING_SETTINGS";
584
585    // End of Intent actions for Settings
586
587    /**
588     * @hide - Private call() method on SettingsProvider to read from 'system' table.
589     */
590    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
591
592    /**
593     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
594     */
595    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
596
597    /**
598     * Activity Extra: Limit available options in launched activity based on the given authority.
599     * <p>
600     * This can be passed as an extra field in an Activity Intent with one or more syncable content
601     * provider's authorities as a String[]. This field is used by some intents to alter the
602     * behavior of the called activity.
603     * <p>
604     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
605     * on the authority given.
606     */
607    public static final String EXTRA_AUTHORITIES =
608            "authorities";
609
610    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
611
612    private static final String JID_RESOURCE_PREFIX = "android";
613
614    public static final String AUTHORITY = "settings";
615
616    private static final String TAG = "Settings";
617    private static final boolean LOCAL_LOGV = false || false;
618
619    public static class SettingNotFoundException extends AndroidException {
620        public SettingNotFoundException(String msg) {
621            super(msg);
622        }
623    }
624
625    /**
626     * Common base for tables of name/value settings.
627     */
628    public static class NameValueTable implements BaseColumns {
629        public static final String NAME = "name";
630        public static final String VALUE = "value";
631
632        protected static boolean putString(ContentResolver resolver, Uri uri,
633                String name, String value) {
634            // The database will take care of replacing duplicates.
635            try {
636                ContentValues values = new ContentValues();
637                values.put(NAME, name);
638                values.put(VALUE, value);
639                resolver.insert(uri, values);
640                return true;
641            } catch (SQLException e) {
642                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
643                return false;
644            }
645        }
646
647        public static Uri getUriFor(Uri uri, String name) {
648            return Uri.withAppendedPath(uri, name);
649        }
650    }
651
652    // Thread-safe.
653    private static class NameValueCache {
654        private final String mVersionSystemProperty;
655        private final Uri mUri;
656
657        private static final String[] SELECT_VALUE =
658            new String[] { Settings.NameValueTable.VALUE };
659        private static final String NAME_EQ_PLACEHOLDER = "name=?";
660
661        // Must synchronize on 'this' to access mValues and mValuesVersion.
662        private final HashMap<String, String> mValues = new HashMap<String, String>();
663        private long mValuesVersion = 0;
664
665        // Initially null; set lazily and held forever.  Synchronized on 'this'.
666        private IContentProvider mContentProvider = null;
667
668        // The method we'll call (or null, to not use) on the provider
669        // for the fast path of retrieving settings.
670        private final String mCallCommand;
671
672        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
673            mVersionSystemProperty = versionSystemProperty;
674            mUri = uri;
675            mCallCommand = callCommand;
676        }
677
678        public String getString(ContentResolver cr, String name) {
679            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
680
681            synchronized (this) {
682                if (mValuesVersion != newValuesVersion) {
683                    if (LOCAL_LOGV) {
684                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
685                                newValuesVersion + " != cached " + mValuesVersion);
686                    }
687
688                    mValues.clear();
689                    mValuesVersion = newValuesVersion;
690                }
691
692                if (mValues.containsKey(name)) {
693                    return mValues.get(name);  // Could be null, that's OK -- negative caching
694                }
695            }
696
697            IContentProvider cp = null;
698            synchronized (this) {
699                cp = mContentProvider;
700                if (cp == null) {
701                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
702                }
703            }
704
705            // Try the fast path first, not using query().  If this
706            // fails (alternate Settings provider that doesn't support
707            // this interface?) then we fall back to the query/table
708            // interface.
709            if (mCallCommand != null) {
710                try {
711                    Bundle b = cp.call(mCallCommand, name, null);
712                    if (b != null) {
713                        String value = b.getPairValue();
714                        synchronized (this) {
715                            mValues.put(name, value);
716                        }
717                        return value;
718                    }
719                    // If the response Bundle is null, we fall through
720                    // to the query interface below.
721                } catch (RemoteException e) {
722                    // Not supported by the remote side?  Fall through
723                    // to query().
724                }
725            }
726
727            Cursor c = null;
728            try {
729                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
730                             new String[]{name}, null);
731                if (c == null) {
732                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
733                    return null;
734                }
735
736                String value = c.moveToNext() ? c.getString(0) : null;
737                synchronized (this) {
738                    mValues.put(name, value);
739                }
740                if (LOCAL_LOGV) {
741                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
742                            name + " = " + (value == null ? "(null)" : value));
743                }
744                return value;
745            } catch (RemoteException e) {
746                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
747                return null;  // Return null, but don't cache it.
748            } finally {
749                if (c != null) c.close();
750            }
751        }
752    }
753
754    /**
755     * System settings, containing miscellaneous system preferences.  This
756     * table holds simple name/value pairs.  There are convenience
757     * functions for accessing individual settings entries.
758     */
759    public static final class System extends NameValueTable {
760        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
761
762        // Populated lazily, guarded by class object:
763        private static NameValueCache sNameValueCache = null;
764
765        private static final HashSet<String> MOVED_TO_SECURE;
766        static {
767            MOVED_TO_SECURE = new HashSet<String>(30);
768            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
769            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
770            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
771            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
772            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
773            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
774            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
775            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
776            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
777            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
778            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
779            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
780            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
781            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
782            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
783            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
784            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
785            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
786            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
787            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
788            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
789            MOVED_TO_SECURE.add(Secure.WIFI_ON);
790            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
791            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
792            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
793            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
794            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
795            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
796            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
797            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
798            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
799            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
800            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
801        }
802
803        /**
804         * Look up a name in the database.
805         * @param resolver to access the database with
806         * @param name to look up in the table
807         * @return the corresponding value, or null if not present
808         */
809        public synchronized static String getString(ContentResolver resolver, String name) {
810            if (MOVED_TO_SECURE.contains(name)) {
811                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
812                        + " to android.provider.Settings.Secure, returning read-only value.");
813                return Secure.getString(resolver, name);
814            }
815            if (sNameValueCache == null) {
816                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
817                                                     CALL_METHOD_GET_SYSTEM);
818            }
819            return sNameValueCache.getString(resolver, name);
820        }
821
822        /**
823         * Store a name/value pair into the database.
824         * @param resolver to access the database with
825         * @param name to store
826         * @param value to associate with the name
827         * @return true if the value was set, false on database errors
828         */
829        public static boolean putString(ContentResolver resolver, String name, String value) {
830            if (MOVED_TO_SECURE.contains(name)) {
831                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
832                        + " to android.provider.Settings.Secure, value is unchanged.");
833                return false;
834            }
835            return putString(resolver, CONTENT_URI, name, value);
836        }
837
838        /**
839         * Construct the content URI for a particular name/value pair,
840         * useful for monitoring changes with a ContentObserver.
841         * @param name to look up in the table
842         * @return the corresponding content URI, or null if not present
843         */
844        public static Uri getUriFor(String name) {
845            if (MOVED_TO_SECURE.contains(name)) {
846                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
847                    + " to android.provider.Settings.Secure, returning Secure URI.");
848                return Secure.getUriFor(Secure.CONTENT_URI, name);
849            }
850            return getUriFor(CONTENT_URI, name);
851        }
852
853        /**
854         * Convenience function for retrieving a single system settings value
855         * as an integer.  Note that internally setting values are always
856         * stored as strings; this function converts the string to an integer
857         * for you.  The default value will be returned if the setting is
858         * not defined or not an integer.
859         *
860         * @param cr The ContentResolver to access.
861         * @param name The name of the setting to retrieve.
862         * @param def Value to return if the setting is not defined.
863         *
864         * @return The setting's current value, or 'def' if it is not defined
865         * or not a valid integer.
866         */
867        public static int getInt(ContentResolver cr, String name, int def) {
868            String v = getString(cr, name);
869            try {
870                return v != null ? Integer.parseInt(v) : def;
871            } catch (NumberFormatException e) {
872                return def;
873            }
874        }
875
876        /**
877         * Convenience function for retrieving a single system settings value
878         * as an integer.  Note that internally setting values are always
879         * stored as strings; this function converts the string to an integer
880         * for you.
881         * <p>
882         * This version does not take a default value.  If the setting has not
883         * been set, or the string value is not a number,
884         * it throws {@link SettingNotFoundException}.
885         *
886         * @param cr The ContentResolver to access.
887         * @param name The name of the setting to retrieve.
888         *
889         * @throws SettingNotFoundException Thrown if a setting by the given
890         * name can't be found or the setting value is not an integer.
891         *
892         * @return The setting's current value.
893         */
894        public static int getInt(ContentResolver cr, String name)
895                throws SettingNotFoundException {
896            String v = getString(cr, name);
897            try {
898                return Integer.parseInt(v);
899            } catch (NumberFormatException e) {
900                throw new SettingNotFoundException(name);
901            }
902        }
903
904        /**
905         * Convenience function for updating a single settings value as an
906         * integer. This will either create a new entry in the table if the
907         * given name does not exist, or modify the value of the existing row
908         * with that name.  Note that internally setting values are always
909         * stored as strings, so this function converts the given value to a
910         * string before storing it.
911         *
912         * @param cr The ContentResolver to access.
913         * @param name The name of the setting to modify.
914         * @param value The new value for the setting.
915         * @return true if the value was set, false on database errors
916         */
917        public static boolean putInt(ContentResolver cr, String name, int value) {
918            return putString(cr, name, Integer.toString(value));
919        }
920
921        /**
922         * Convenience function for retrieving a single system settings value
923         * as a {@code long}.  Note that internally setting values are always
924         * stored as strings; this function converts the string to a {@code long}
925         * for you.  The default value will be returned if the setting is
926         * not defined or not a {@code long}.
927         *
928         * @param cr The ContentResolver to access.
929         * @param name The name of the setting to retrieve.
930         * @param def Value to return if the setting is not defined.
931         *
932         * @return The setting's current value, or 'def' if it is not defined
933         * or not a valid {@code long}.
934         */
935        public static long getLong(ContentResolver cr, String name, long def) {
936            String valString = getString(cr, name);
937            long value;
938            try {
939                value = valString != null ? Long.parseLong(valString) : def;
940            } catch (NumberFormatException e) {
941                value = def;
942            }
943            return value;
944        }
945
946        /**
947         * Convenience function for retrieving a single system settings value
948         * as a {@code long}.  Note that internally setting values are always
949         * stored as strings; this function converts the string to a {@code long}
950         * for you.
951         * <p>
952         * This version does not take a default value.  If the setting has not
953         * been set, or the string value is not a number,
954         * it throws {@link SettingNotFoundException}.
955         *
956         * @param cr The ContentResolver to access.
957         * @param name The name of the setting to retrieve.
958         *
959         * @return The setting's current value.
960         * @throws SettingNotFoundException Thrown if a setting by the given
961         * name can't be found or the setting value is not an integer.
962         */
963        public static long getLong(ContentResolver cr, String name)
964                throws SettingNotFoundException {
965            String valString = getString(cr, name);
966            try {
967                return Long.parseLong(valString);
968            } catch (NumberFormatException e) {
969                throw new SettingNotFoundException(name);
970            }
971        }
972
973        /**
974         * Convenience function for updating a single settings value as a long
975         * integer. This will either create a new entry in the table if the
976         * given name does not exist, or modify the value of the existing row
977         * with that name.  Note that internally setting values are always
978         * stored as strings, so this function converts the given value to a
979         * string before storing it.
980         *
981         * @param cr The ContentResolver to access.
982         * @param name The name of the setting to modify.
983         * @param value The new value for the setting.
984         * @return true if the value was set, false on database errors
985         */
986        public static boolean putLong(ContentResolver cr, String name, long value) {
987            return putString(cr, name, Long.toString(value));
988        }
989
990        /**
991         * Convenience function for retrieving a single system settings value
992         * as a floating point number.  Note that internally setting values are
993         * always stored as strings; this function converts the string to an
994         * float for you. The default value will be returned if the setting
995         * is not defined or not a valid float.
996         *
997         * @param cr The ContentResolver to access.
998         * @param name The name of the setting to retrieve.
999         * @param def Value to return if the setting is not defined.
1000         *
1001         * @return The setting's current value, or 'def' if it is not defined
1002         * or not a valid float.
1003         */
1004        public static float getFloat(ContentResolver cr, String name, float def) {
1005            String v = getString(cr, name);
1006            try {
1007                return v != null ? Float.parseFloat(v) : def;
1008            } catch (NumberFormatException e) {
1009                return def;
1010            }
1011        }
1012
1013        /**
1014         * Convenience function for retrieving a single system settings value
1015         * as a float.  Note that internally setting values are always
1016         * stored as strings; this function converts the string to a float
1017         * for you.
1018         * <p>
1019         * This version does not take a default value.  If the setting has not
1020         * been set, or the string value is not a number,
1021         * it throws {@link SettingNotFoundException}.
1022         *
1023         * @param cr The ContentResolver to access.
1024         * @param name The name of the setting to retrieve.
1025         *
1026         * @throws SettingNotFoundException Thrown if a setting by the given
1027         * name can't be found or the setting value is not a float.
1028         *
1029         * @return The setting's current value.
1030         */
1031        public static float getFloat(ContentResolver cr, String name)
1032                throws SettingNotFoundException {
1033            String v = getString(cr, name);
1034            if (v == null) {
1035                throw new SettingNotFoundException(name);
1036            }
1037            try {
1038                return Float.parseFloat(v);
1039            } catch (NumberFormatException e) {
1040                throw new SettingNotFoundException(name);
1041            }
1042        }
1043
1044        /**
1045         * Convenience function for updating a single settings value as a
1046         * floating point number. This will either create a new entry in the
1047         * table if the given name does not exist, or modify the value of the
1048         * existing row with that name.  Note that internally setting values
1049         * are always stored as strings, so this function converts the given
1050         * value to a string before storing it.
1051         *
1052         * @param cr The ContentResolver to access.
1053         * @param name The name of the setting to modify.
1054         * @param value The new value for the setting.
1055         * @return true if the value was set, false on database errors
1056         */
1057        public static boolean putFloat(ContentResolver cr, String name, float value) {
1058            return putString(cr, name, Float.toString(value));
1059        }
1060
1061        /**
1062         * Convenience function to read all of the current
1063         * configuration-related settings into a
1064         * {@link Configuration} object.
1065         *
1066         * @param cr The ContentResolver to access.
1067         * @param outConfig Where to place the configuration settings.
1068         */
1069        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1070            outConfig.fontScale = Settings.System.getFloat(
1071                cr, FONT_SCALE, outConfig.fontScale);
1072            if (outConfig.fontScale < 0) {
1073                outConfig.fontScale = 1;
1074            }
1075        }
1076
1077        /**
1078         * @hide Erase the fields in the Configuration that should be applied
1079         * by the settings.
1080         */
1081        public static void clearConfiguration(Configuration inoutConfig) {
1082            inoutConfig.fontScale = 0;
1083        }
1084
1085        /**
1086         * Convenience function to write a batch of configuration-related
1087         * settings from a {@link Configuration} object.
1088         *
1089         * @param cr The ContentResolver to access.
1090         * @param config The settings to write.
1091         * @return true if the values were set, false on database errors
1092         */
1093        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1094            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1095        }
1096
1097        /** @hide */
1098        public static boolean hasInterestingConfigurationChanges(int changes) {
1099            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1100        }
1101
1102        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1103            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1104        }
1105
1106        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1107            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1108        }
1109
1110        /**
1111         * The content:// style URL for this table
1112         */
1113        public static final Uri CONTENT_URI =
1114            Uri.parse("content://" + AUTHORITY + "/system");
1115
1116        /**
1117         * Whether we keep the device on while the device is plugged in.
1118         * Supported values are:
1119         * <ul>
1120         * <li>{@code 0} to never stay on while plugged in</li>
1121         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1122         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1123         * </ul>
1124         * These values can be OR-ed together.
1125         */
1126        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1127
1128        /**
1129         * What happens when the user presses the end call button if they're not
1130         * on a call.<br/>
1131         * <b>Values:</b><br/>
1132         * 0 - The end button does nothing.<br/>
1133         * 1 - The end button goes to the home screen.<br/>
1134         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1135         * 3 - The end button goes to the home screen.  If the user is already on the
1136         * home screen, it puts the device to sleep.
1137         */
1138        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1139
1140        /**
1141         * END_BUTTON_BEHAVIOR value for "go home".
1142         * @hide
1143         */
1144        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1145
1146        /**
1147         * END_BUTTON_BEHAVIOR value for "go to sleep".
1148         * @hide
1149         */
1150        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1151
1152        /**
1153         * END_BUTTON_BEHAVIOR default value.
1154         * @hide
1155         */
1156        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1157
1158        /**
1159         * Is advanced settings mode turned on. 0 == no, 1 == yes
1160         * @hide
1161         */
1162        public static final String ADVANCED_SETTINGS = "advanced_settings";
1163
1164        /**
1165         * ADVANCED_SETTINGS default value.
1166         * @hide
1167         */
1168        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1169
1170        /**
1171         * Whether Airplane Mode is on.
1172         */
1173        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1174
1175        /**
1176         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1177         */
1178        public static final String RADIO_BLUETOOTH = "bluetooth";
1179
1180        /**
1181         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1182         */
1183        public static final String RADIO_WIFI = "wifi";
1184
1185        /**
1186         * {@hide}
1187         */
1188        public static final String RADIO_WIMAX = "wimax";
1189        /**
1190         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1191         */
1192        public static final String RADIO_CELL = "cell";
1193
1194        /**
1195         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
1196         */
1197        public static final String RADIO_NFC = "nfc";
1198
1199        /**
1200         * A comma separated list of radios that need to be disabled when airplane mode
1201         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1202         * included in the comma separated list.
1203         */
1204        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1205
1206        /**
1207         * A comma separated list of radios that should to be disabled when airplane mode
1208         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1209         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1210         * will be turned off when entering airplane mode, but the user will be able to reenable
1211         * Wifi in the Settings app.
1212         *
1213         * {@hide}
1214         */
1215        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1216
1217        /**
1218         * The policy for deciding when Wi-Fi should go to sleep (which will in
1219         * turn switch to using the mobile data as an Internet connection).
1220         * <p>
1221         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1222         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1223         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1224         */
1225        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1226
1227        /**
1228         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1229         * policy, which is to sleep shortly after the turning off
1230         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1231         */
1232        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1233
1234        /**
1235         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1236         * the device is on battery, and never go to sleep when the device is
1237         * plugged in.
1238         */
1239        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1240
1241        /**
1242         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1243         */
1244        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1245
1246        //TODO: deprecate static IP constants
1247        /**
1248         * Whether to use static IP and other static network attributes.
1249         * <p>
1250         * Set to 1 for true and 0 for false.
1251         */
1252        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1253
1254        /**
1255         * The static IP address.
1256         * <p>
1257         * Example: "192.168.1.51"
1258         */
1259        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1260
1261        /**
1262         * If using static IP, the gateway's IP address.
1263         * <p>
1264         * Example: "192.168.1.1"
1265         */
1266        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1267
1268        /**
1269         * If using static IP, the net mask.
1270         * <p>
1271         * Example: "255.255.255.0"
1272         */
1273        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1274
1275        /**
1276         * If using static IP, the primary DNS's IP address.
1277         * <p>
1278         * Example: "192.168.1.1"
1279         */
1280        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1281
1282        /**
1283         * If using static IP, the secondary DNS's IP address.
1284         * <p>
1285         * Example: "192.168.1.2"
1286         */
1287        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1288
1289
1290        /**
1291         * Determines whether remote devices may discover and/or connect to
1292         * this device.
1293         * <P>Type: INT</P>
1294         * 2 -- discoverable and connectable
1295         * 1 -- connectable but not discoverable
1296         * 0 -- neither connectable nor discoverable
1297         */
1298        public static final String BLUETOOTH_DISCOVERABILITY =
1299            "bluetooth_discoverability";
1300
1301        /**
1302         * Bluetooth discoverability timeout.  If this value is nonzero, then
1303         * Bluetooth becomes discoverable for a certain number of seconds,
1304         * after which is becomes simply connectable.  The value is in seconds.
1305         */
1306        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1307            "bluetooth_discoverability_timeout";
1308
1309        /**
1310         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1311         * instead
1312         */
1313        @Deprecated
1314        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1315
1316        /**
1317         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1318         * instead
1319         */
1320        @Deprecated
1321        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1322
1323        /**
1324         * @deprecated Use
1325         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1326         * instead
1327         */
1328        @Deprecated
1329        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1330            "lock_pattern_tactile_feedback_enabled";
1331
1332
1333        /**
1334         * A formatted string of the next alarm that is set, or the empty string
1335         * if there is no alarm set.
1336         */
1337        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1338
1339        /**
1340         * Scaling factor for fonts, float.
1341         */
1342        public static final String FONT_SCALE = "font_scale";
1343
1344        /**
1345         * Name of an application package to be debugged.
1346         */
1347        public static final String DEBUG_APP = "debug_app";
1348
1349        /**
1350         * If 1, when launching DEBUG_APP it will wait for the debugger before
1351         * starting user code.  If 0, it will run normally.
1352         */
1353        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1354
1355        /**
1356         * Whether or not to dim the screen. 0=no  1=yes
1357         */
1358        public static final String DIM_SCREEN = "dim_screen";
1359
1360        /**
1361         * The timeout before the screen turns off.
1362         */
1363        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1364
1365        /**
1366         * If 0, the compatibility mode is off for all applications.
1367         * If 1, older applications run under compatibility mode.
1368         * TODO: remove this settings before code freeze (bug/1907571)
1369         * @hide
1370         */
1371        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1372
1373        /**
1374         * The screen backlight brightness between 0 and 255.
1375         */
1376        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1377
1378        /**
1379         * Control whether to enable automatic brightness mode.
1380         */
1381        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1382
1383        /**
1384         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1385         */
1386        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1387
1388        /**
1389         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
1390         */
1391        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1392
1393        /**
1394         * Control whether the process CPU usage meter should be shown.
1395         */
1396        public static final String SHOW_PROCESSES = "show_processes";
1397
1398        /**
1399         * If 1, the activity manager will aggressively finish activities and
1400         * processes as soon as they are no longer needed.  If 0, the normal
1401         * extended lifetime is used.
1402         */
1403        public static final String ALWAYS_FINISH_ACTIVITIES =
1404                "always_finish_activities";
1405
1406
1407        /**
1408         * Ringer mode. This is used internally, changing this value will not
1409         * change the ringer mode. See AudioManager.
1410         */
1411        public static final String MODE_RINGER = "mode_ringer";
1412
1413        /**
1414         * Determines which streams are affected by ringer mode changes. The
1415         * stream type's bit should be set to 1 if it should be muted when going
1416         * into an inaudible ringer mode.
1417         */
1418        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1419
1420         /**
1421          * Determines which streams are affected by mute. The
1422          * stream type's bit should be set to 1 if it should be muted when a mute request
1423          * is received.
1424          */
1425         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1426
1427        /**
1428         * Whether vibrate is on for different events. This is used internally,
1429         * changing this value will not change the vibrate. See AudioManager.
1430         */
1431        public static final String VIBRATE_ON = "vibrate_on";
1432
1433        /**
1434         * Ringer volume. This is used internally, changing this value will not
1435         * change the volume. See AudioManager.
1436         */
1437        public static final String VOLUME_RING = "volume_ring";
1438
1439        /**
1440         * System/notifications volume. This is used internally, changing this
1441         * value will not change the volume. See AudioManager.
1442         */
1443        public static final String VOLUME_SYSTEM = "volume_system";
1444
1445        /**
1446         * Voice call volume. This is used internally, changing this value will
1447         * not change the volume. See AudioManager.
1448         */
1449        public static final String VOLUME_VOICE = "volume_voice";
1450
1451        /**
1452         * Music/media/gaming volume. This is used internally, changing this
1453         * value will not change the volume. See AudioManager.
1454         */
1455        public static final String VOLUME_MUSIC = "volume_music";
1456
1457        /**
1458         * Alarm volume. This is used internally, changing this
1459         * value will not change the volume. See AudioManager.
1460         */
1461        public static final String VOLUME_ALARM = "volume_alarm";
1462
1463        /**
1464         * Notification volume. This is used internally, changing this
1465         * value will not change the volume. See AudioManager.
1466         */
1467        public static final String VOLUME_NOTIFICATION = "volume_notification";
1468
1469        /**
1470         * Bluetooth Headset volume. This is used internally, changing this value will
1471         * not change the volume. See AudioManager.
1472         */
1473        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1474
1475        /**
1476         * Whether the notifications should use the ring volume (value of 1) or a separate
1477         * notification volume (value of 0). In most cases, users will have this enabled so the
1478         * notification and ringer volumes will be the same. However, power users can disable this
1479         * and use the separate notification volume control.
1480         * <p>
1481         * Note: This is a one-off setting that will be removed in the future when there is profile
1482         * support. For this reason, it is kept hidden from the public APIs.
1483         *
1484         * @hide
1485         * @deprecated
1486         */
1487        @Deprecated
1488        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1489            "notifications_use_ring_volume";
1490
1491        /**
1492         * Whether silent mode should allow vibration feedback. This is used
1493         * internally in AudioService and the Sound settings activity to
1494         * coordinate decoupling of vibrate and silent modes. This setting
1495         * will likely be removed in a future release with support for
1496         * audio/vibe feedback profiles.
1497         *
1498         * @hide
1499         */
1500        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1501
1502        /**
1503         * The mapping of stream type (integer) to its setting.
1504         */
1505        public static final String[] VOLUME_SETTINGS = {
1506            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1507            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1508        };
1509
1510        /**
1511         * Appended to various volume related settings to record the previous
1512         * values before they the settings were affected by a silent/vibrate
1513         * ringer mode change.
1514         */
1515        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1516
1517        /**
1518         * Persistent store for the system-wide default ringtone URI.
1519         * <p>
1520         * If you need to play the default ringtone at any given time, it is recommended
1521         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1522         * to the set default ringtone at the time of playing.
1523         *
1524         * @see #DEFAULT_RINGTONE_URI
1525         */
1526        public static final String RINGTONE = "ringtone";
1527
1528        /**
1529         * A {@link Uri} that will point to the current default ringtone at any
1530         * given time.
1531         * <p>
1532         * If the current default ringtone is in the DRM provider and the caller
1533         * does not have permission, the exception will be a
1534         * FileNotFoundException.
1535         */
1536        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1537
1538        /**
1539         * Persistent store for the system-wide default notification sound.
1540         *
1541         * @see #RINGTONE
1542         * @see #DEFAULT_NOTIFICATION_URI
1543         */
1544        public static final String NOTIFICATION_SOUND = "notification_sound";
1545
1546        /**
1547         * A {@link Uri} that will point to the current default notification
1548         * sound at any given time.
1549         *
1550         * @see #DEFAULT_RINGTONE_URI
1551         */
1552        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1553
1554        /**
1555         * Persistent store for the system-wide default alarm alert.
1556         *
1557         * @see #RINGTONE
1558         * @see #DEFAULT_ALARM_ALERT_URI
1559         */
1560        public static final String ALARM_ALERT = "alarm_alert";
1561
1562        /**
1563         * A {@link Uri} that will point to the current default alarm alert at
1564         * any given time.
1565         *
1566         * @see #DEFAULT_ALARM_ALERT_URI
1567         */
1568        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1569
1570        /**
1571         * Persistent store for the system default media button event receiver.
1572         *
1573         * @hide
1574         */
1575        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1576
1577        /**
1578         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1579         */
1580        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1581
1582        /**
1583         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1584         */
1585        public static final String TEXT_AUTO_CAPS = "auto_caps";
1586
1587        /**
1588         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1589         * feature converts two spaces to a "." and space.
1590         */
1591        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1592
1593        /**
1594         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1595         */
1596        public static final String TEXT_SHOW_PASSWORD = "show_password";
1597
1598        public static final String SHOW_GTALK_SERVICE_STATUS =
1599                "SHOW_GTALK_SERVICE_STATUS";
1600
1601        /**
1602         * Name of activity to use for wallpaper on the home screen.
1603         */
1604        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1605
1606        /**
1607         * Value to specify if the user prefers the date, time and time zone
1608         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1609         */
1610        public static final String AUTO_TIME = "auto_time";
1611
1612        /**
1613         * Value to specify if the user prefers the time zone
1614         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1615         */
1616        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1617
1618        /**
1619         * Display times as 12 or 24 hours
1620         *   12
1621         *   24
1622         */
1623        public static final String TIME_12_24 = "time_12_24";
1624
1625        /**
1626         * Date format string
1627         *   mm/dd/yyyy
1628         *   dd/mm/yyyy
1629         *   yyyy/mm/dd
1630         */
1631        public static final String DATE_FORMAT = "date_format";
1632
1633        /**
1634         * Whether the setup wizard has been run before (on first boot), or if
1635         * it still needs to be run.
1636         *
1637         * nonzero = it has been run in the past
1638         * 0 = it has not been run in the past
1639         */
1640        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1641
1642        /**
1643         * Scaling factor for normal window animations. Setting to 0 will disable window
1644         * animations.
1645         */
1646        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1647
1648        /**
1649         * Scaling factor for activity transition animations. Setting to 0 will disable window
1650         * animations.
1651         */
1652        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1653
1654        /**
1655         * Scaling factor for normal window animations. Setting to 0 will disable window
1656         * animations.
1657         * @hide
1658         */
1659        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1660
1661        /**
1662         * Control whether the accelerometer will be used to change screen
1663         * orientation.  If 0, it will not be used unless explicitly requested
1664         * by the application; if 1, it will be used by default unless explicitly
1665         * disabled by the application.
1666         */
1667        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1668
1669        /**
1670         * Default screen rotation when no other policy applies.
1671         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1672         * preference, this rotation value will be used. Must be one of the
1673         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1674         *
1675         * @see Display#getRotation
1676         */
1677        public static final String USER_ROTATION = "user_rotation";
1678
1679        /**
1680         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1681         * boolean (1 or 0).
1682         */
1683        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1684
1685        /**
1686         * CDMA only settings
1687         * DTMF tone type played by the dialer when dialing.
1688         *                 0 = Normal
1689         *                 1 = Long
1690         * @hide
1691         */
1692        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1693
1694        /**
1695         * CDMA only settings
1696         * Emergency Tone  0 = Off
1697         *                 1 = Alert
1698         *                 2 = Vibrate
1699         * @hide
1700         */
1701        public static final String EMERGENCY_TONE = "emergency_tone";
1702
1703        /**
1704         * CDMA only settings
1705         * Whether the auto retry is enabled. The value is
1706         * boolean (1 or 0).
1707         * @hide
1708         */
1709        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1710
1711        /**
1712         * Whether the hearing aid is enabled. The value is
1713         * boolean (1 or 0).
1714         * @hide
1715         */
1716        public static final String HEARING_AID = "hearing_aid";
1717
1718        /**
1719         * CDMA only settings
1720         * TTY Mode
1721         * 0 = OFF
1722         * 1 = FULL
1723         * 2 = VCO
1724         * 3 = HCO
1725         * @hide
1726         */
1727        public static final String TTY_MODE = "tty_mode";
1728
1729        /**
1730         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1731         * boolean (1 or 0).
1732         */
1733        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1734
1735        /**
1736         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1737         * boolean (1 or 0).
1738         */
1739        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1740
1741        /**
1742         * @deprecated Each application that shows web suggestions should have its own
1743         * setting for this.
1744         */
1745        @Deprecated
1746        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1747
1748        /**
1749         * Whether the notification LED should repeatedly flash when a notification is
1750         * pending. The value is boolean (1 or 0).
1751         * @hide
1752         */
1753        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1754
1755        /**
1756         * Show pointer location on screen?
1757         * 0 = no
1758         * 1 = yes
1759         * @hide
1760         */
1761        public static final String POINTER_LOCATION = "pointer_location";
1762
1763        /**
1764         * Show touch positions on screen?
1765         * 0 = no
1766         * 1 = yes
1767         * @hide
1768         */
1769        public static final String SHOW_TOUCHES = "show_touches";
1770
1771        /**
1772         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1773         * orientationplot.py tool.
1774         * 0 = no
1775         * 1 = yes
1776         * @hide
1777         */
1778        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1779                "window_orientation_listener_log";
1780
1781        /**
1782         * Whether to play a sound for low-battery alerts.
1783         * @hide
1784         */
1785        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1786
1787        /**
1788         * Whether to play a sound for dock events.
1789         * @hide
1790         */
1791        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1792
1793        /**
1794         * Whether to play sounds when the keyguard is shown and dismissed.
1795         * @hide
1796         */
1797        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1798
1799        /**
1800         * URI for the low battery sound file.
1801         * @hide
1802         */
1803        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1804
1805        /**
1806         * URI for the desk dock "in" event sound.
1807         * @hide
1808         */
1809        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1810
1811        /**
1812         * URI for the desk dock "out" event sound.
1813         * @hide
1814         */
1815        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1816
1817        /**
1818         * URI for the car dock "in" event sound.
1819         * @hide
1820         */
1821        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1822
1823        /**
1824         * URI for the car dock "out" event sound.
1825         * @hide
1826         */
1827        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1828
1829        /**
1830         * URI for the "device locked" (keyguard shown) sound.
1831         * @hide
1832         */
1833        public static final String LOCK_SOUND = "lock_sound";
1834
1835        /**
1836         * URI for the "device unlocked" (keyguard dismissed) sound.
1837         * @hide
1838         */
1839        public static final String UNLOCK_SOUND = "unlock_sound";
1840
1841        /**
1842         * Receive incoming SIP calls?
1843         * 0 = no
1844         * 1 = yes
1845         * @hide
1846         */
1847        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1848
1849        /**
1850         * Call Preference String.
1851         * "SIP_ALWAYS" : Always use SIP with network access
1852         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1853         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1854         * @hide
1855         */
1856        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1857
1858        /**
1859         * One of the sip call options: Always use SIP with network access.
1860         * @hide
1861         */
1862        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1863
1864        /**
1865         * One of the sip call options: Only if destination is a SIP address.
1866         * @hide
1867         */
1868        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1869
1870        /**
1871         * One of the sip call options: Always ask me each time.
1872         * @hide
1873         */
1874        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1875
1876        /**
1877         * Pointer speed setting.
1878         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1879         *   -7 = slowest
1880         *    0 = default speed
1881         *   +7 = fastest
1882         * @hide
1883         */
1884        public static final String POINTER_SPEED = "pointer_speed";
1885
1886        /**
1887         * Settings to backup. This is here so that it's in the same place as the settings
1888         * keys and easy to update.
1889         *
1890         * NOTE: Settings are backed up and restored in the order they appear
1891         *       in this array. If you have one setting depending on another,
1892         *       make sure that they are ordered appropriately.
1893         *
1894         * @hide
1895         */
1896        public static final String[] SETTINGS_TO_BACKUP = {
1897            STAY_ON_WHILE_PLUGGED_IN,
1898            WIFI_USE_STATIC_IP,
1899            WIFI_STATIC_IP,
1900            WIFI_STATIC_GATEWAY,
1901            WIFI_STATIC_NETMASK,
1902            WIFI_STATIC_DNS1,
1903            WIFI_STATIC_DNS2,
1904            BLUETOOTH_DISCOVERABILITY,
1905            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1906            DIM_SCREEN,
1907            SCREEN_OFF_TIMEOUT,
1908            SCREEN_BRIGHTNESS,
1909            SCREEN_BRIGHTNESS_MODE,
1910            VIBRATE_ON,
1911            MODE_RINGER,
1912            MODE_RINGER_STREAMS_AFFECTED,
1913            MUTE_STREAMS_AFFECTED,
1914            VOLUME_VOICE,
1915            VOLUME_SYSTEM,
1916            VOLUME_RING,
1917            VOLUME_MUSIC,
1918            VOLUME_ALARM,
1919            VOLUME_NOTIFICATION,
1920            VOLUME_BLUETOOTH_SCO,
1921            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1922            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1923            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1924            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1925            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1926            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1927            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1928            VIBRATE_IN_SILENT,
1929            TEXT_AUTO_REPLACE,
1930            TEXT_AUTO_CAPS,
1931            TEXT_AUTO_PUNCTUATE,
1932            TEXT_SHOW_PASSWORD,
1933            AUTO_TIME,
1934            AUTO_TIME_ZONE,
1935            TIME_12_24,
1936            DATE_FORMAT,
1937            ACCELEROMETER_ROTATION,
1938            USER_ROTATION,
1939            DTMF_TONE_WHEN_DIALING,
1940            DTMF_TONE_TYPE_WHEN_DIALING,
1941            EMERGENCY_TONE,
1942            CALL_AUTO_RETRY,
1943            HEARING_AID,
1944            TTY_MODE,
1945            SOUND_EFFECTS_ENABLED,
1946            HAPTIC_FEEDBACK_ENABLED,
1947            POWER_SOUNDS_ENABLED,
1948            DOCK_SOUNDS_ENABLED,
1949            LOCKSCREEN_SOUNDS_ENABLED,
1950            SHOW_WEB_SUGGESTIONS,
1951            NOTIFICATION_LIGHT_PULSE,
1952            SIP_CALL_OPTIONS,
1953            SIP_RECEIVE_CALLS,
1954            POINTER_SPEED,
1955        };
1956
1957        // Settings moved to Settings.Secure
1958
1959        /**
1960         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1961         * instead
1962         */
1963        @Deprecated
1964        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1965
1966        /**
1967         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1968         */
1969        @Deprecated
1970        public static final String ANDROID_ID = Secure.ANDROID_ID;
1971
1972        /**
1973         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1974         */
1975        @Deprecated
1976        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1977
1978        /**
1979         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1980         */
1981        @Deprecated
1982        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1983
1984        /**
1985         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1986         */
1987        @Deprecated
1988        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1989
1990        /**
1991         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1992         */
1993        @Deprecated
1994        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1995
1996        /**
1997         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1998         */
1999        @Deprecated
2000        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2001
2002        /**
2003         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2004         * instead
2005         */
2006        @Deprecated
2007        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2008
2009        /**
2010         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2011         */
2012        @Deprecated
2013        public static final String LOGGING_ID = Secure.LOGGING_ID;
2014
2015        /**
2016         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2017         */
2018        @Deprecated
2019        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2020
2021        /**
2022         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2023         * instead
2024         */
2025        @Deprecated
2026        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2027
2028        /**
2029         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2030         * instead
2031         */
2032        @Deprecated
2033        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2034
2035        /**
2036         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2037         * instead
2038         */
2039        @Deprecated
2040        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2041            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2042
2043        /**
2044         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2045         */
2046        @Deprecated
2047        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2048
2049        /**
2050         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2051         */
2052        @Deprecated
2053        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2054
2055        /**
2056         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2057         */
2058        @Deprecated
2059        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2060
2061       /**
2062         * @deprecated Use
2063         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2064         */
2065        @Deprecated
2066        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2067
2068        /**
2069         * @deprecated Use
2070         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2071         */
2072        @Deprecated
2073        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2074                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2075
2076        /**
2077         * @deprecated Use
2078         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2079         */
2080        @Deprecated
2081        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2082            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2083
2084        /**
2085         * @deprecated Use
2086         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2087         */
2088        @Deprecated
2089        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2090            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2091
2092        /**
2093         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2094         * instead
2095         */
2096        @Deprecated
2097        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2098
2099        /**
2100         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2101         */
2102        @Deprecated
2103        public static final String WIFI_ON = Secure.WIFI_ON;
2104
2105        /**
2106         * @deprecated Use
2107         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2108         * instead
2109         */
2110        @Deprecated
2111        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2112                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2113
2114        /**
2115         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2116         */
2117        @Deprecated
2118        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2119
2120        /**
2121         * @deprecated Use
2122         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2123         */
2124        @Deprecated
2125        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2126                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2127
2128        /**
2129         * @deprecated Use
2130         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2131         */
2132        @Deprecated
2133        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2134                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2135
2136        /**
2137         * @deprecated Use
2138         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2139         * instead
2140         */
2141        @Deprecated
2142        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2143                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2144
2145        /**
2146         * @deprecated Use
2147         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2148         */
2149        @Deprecated
2150        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2151            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2152
2153        /**
2154         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2155         * instead
2156         */
2157        @Deprecated
2158        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2159
2160        /**
2161         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2162         */
2163        @Deprecated
2164        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2165
2166        /**
2167         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2168         */
2169        @Deprecated
2170        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2171
2172        /**
2173         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2174         * instead
2175         */
2176        @Deprecated
2177        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2178
2179        /**
2180         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2181         * instead
2182         */
2183        @Deprecated
2184        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2185            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2186    }
2187
2188    /**
2189     * Secure system settings, containing system preferences that applications
2190     * can read but are not allowed to write.  These are for preferences that
2191     * the user must explicitly modify through the system UI or specialized
2192     * APIs for those values, not modified directly by applications.
2193     */
2194    public static final class Secure extends NameValueTable {
2195        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2196
2197        // Populated lazily, guarded by class object:
2198        private static NameValueCache sNameValueCache = null;
2199
2200        /**
2201         * Look up a name in the database.
2202         * @param resolver to access the database with
2203         * @param name to look up in the table
2204         * @return the corresponding value, or null if not present
2205         */
2206        public synchronized static String getString(ContentResolver resolver, String name) {
2207            if (sNameValueCache == null) {
2208                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2209                                                     CALL_METHOD_GET_SECURE);
2210            }
2211            return sNameValueCache.getString(resolver, name);
2212        }
2213
2214        /**
2215         * Store a name/value pair into the database.
2216         * @param resolver to access the database with
2217         * @param name to store
2218         * @param value to associate with the name
2219         * @return true if the value was set, false on database errors
2220         */
2221        public static boolean putString(ContentResolver resolver,
2222                String name, String value) {
2223            return putString(resolver, CONTENT_URI, name, value);
2224        }
2225
2226        /**
2227         * Construct the content URI for a particular name/value pair,
2228         * useful for monitoring changes with a ContentObserver.
2229         * @param name to look up in the table
2230         * @return the corresponding content URI, or null if not present
2231         */
2232        public static Uri getUriFor(String name) {
2233            return getUriFor(CONTENT_URI, name);
2234        }
2235
2236        /**
2237         * Convenience function for retrieving a single secure settings value
2238         * as an integer.  Note that internally setting values are always
2239         * stored as strings; this function converts the string to an integer
2240         * for you.  The default value will be returned if the setting is
2241         * not defined or not an integer.
2242         *
2243         * @param cr The ContentResolver to access.
2244         * @param name The name of the setting to retrieve.
2245         * @param def Value to return if the setting is not defined.
2246         *
2247         * @return The setting's current value, or 'def' if it is not defined
2248         * or not a valid integer.
2249         */
2250        public static int getInt(ContentResolver cr, String name, int def) {
2251            String v = getString(cr, name);
2252            try {
2253                return v != null ? Integer.parseInt(v) : def;
2254            } catch (NumberFormatException e) {
2255                return def;
2256            }
2257        }
2258
2259        /**
2260         * Convenience function for retrieving a single secure settings value
2261         * as an integer.  Note that internally setting values are always
2262         * stored as strings; this function converts the string to an integer
2263         * for you.
2264         * <p>
2265         * This version does not take a default value.  If the setting has not
2266         * been set, or the string value is not a number,
2267         * it throws {@link SettingNotFoundException}.
2268         *
2269         * @param cr The ContentResolver to access.
2270         * @param name The name of the setting to retrieve.
2271         *
2272         * @throws SettingNotFoundException Thrown if a setting by the given
2273         * name can't be found or the setting value is not an integer.
2274         *
2275         * @return The setting's current value.
2276         */
2277        public static int getInt(ContentResolver cr, String name)
2278                throws SettingNotFoundException {
2279            String v = getString(cr, name);
2280            try {
2281                return Integer.parseInt(v);
2282            } catch (NumberFormatException e) {
2283                throw new SettingNotFoundException(name);
2284            }
2285        }
2286
2287        /**
2288         * Convenience function for updating a single settings value as an
2289         * integer. This will either create a new entry in the table if the
2290         * given name does not exist, or modify the value of the existing row
2291         * with that name.  Note that internally setting values are always
2292         * stored as strings, so this function converts the given value to a
2293         * string before storing it.
2294         *
2295         * @param cr The ContentResolver to access.
2296         * @param name The name of the setting to modify.
2297         * @param value The new value for the setting.
2298         * @return true if the value was set, false on database errors
2299         */
2300        public static boolean putInt(ContentResolver cr, String name, int value) {
2301            return putString(cr, name, Integer.toString(value));
2302        }
2303
2304        /**
2305         * Convenience function for retrieving a single secure settings value
2306         * as a {@code long}.  Note that internally setting values are always
2307         * stored as strings; this function converts the string to a {@code long}
2308         * for you.  The default value will be returned if the setting is
2309         * not defined or not a {@code long}.
2310         *
2311         * @param cr The ContentResolver to access.
2312         * @param name The name of the setting to retrieve.
2313         * @param def Value to return if the setting is not defined.
2314         *
2315         * @return The setting's current value, or 'def' if it is not defined
2316         * or not a valid {@code long}.
2317         */
2318        public static long getLong(ContentResolver cr, String name, long def) {
2319            String valString = getString(cr, name);
2320            long value;
2321            try {
2322                value = valString != null ? Long.parseLong(valString) : def;
2323            } catch (NumberFormatException e) {
2324                value = def;
2325            }
2326            return value;
2327        }
2328
2329        /**
2330         * Convenience function for retrieving a single secure settings value
2331         * as a {@code long}.  Note that internally setting values are always
2332         * stored as strings; this function converts the string to a {@code long}
2333         * for you.
2334         * <p>
2335         * This version does not take a default value.  If the setting has not
2336         * been set, or the string value is not a number,
2337         * it throws {@link SettingNotFoundException}.
2338         *
2339         * @param cr The ContentResolver to access.
2340         * @param name The name of the setting to retrieve.
2341         *
2342         * @return The setting's current value.
2343         * @throws SettingNotFoundException Thrown if a setting by the given
2344         * name can't be found or the setting value is not an integer.
2345         */
2346        public static long getLong(ContentResolver cr, String name)
2347                throws SettingNotFoundException {
2348            String valString = getString(cr, name);
2349            try {
2350                return Long.parseLong(valString);
2351            } catch (NumberFormatException e) {
2352                throw new SettingNotFoundException(name);
2353            }
2354        }
2355
2356        /**
2357         * Convenience function for updating a secure settings value as a long
2358         * integer. This will either create a new entry in the table if the
2359         * given name does not exist, or modify the value of the existing row
2360         * with that name.  Note that internally setting values are always
2361         * stored as strings, so this function converts the given value to a
2362         * string before storing it.
2363         *
2364         * @param cr The ContentResolver to access.
2365         * @param name The name of the setting to modify.
2366         * @param value The new value for the setting.
2367         * @return true if the value was set, false on database errors
2368         */
2369        public static boolean putLong(ContentResolver cr, String name, long value) {
2370            return putString(cr, name, Long.toString(value));
2371        }
2372
2373        /**
2374         * Convenience function for retrieving a single secure settings value
2375         * as a floating point number.  Note that internally setting values are
2376         * always stored as strings; this function converts the string to an
2377         * float for you. The default value will be returned if the setting
2378         * is not defined or not a valid float.
2379         *
2380         * @param cr The ContentResolver to access.
2381         * @param name The name of the setting to retrieve.
2382         * @param def Value to return if the setting is not defined.
2383         *
2384         * @return The setting's current value, or 'def' if it is not defined
2385         * or not a valid float.
2386         */
2387        public static float getFloat(ContentResolver cr, String name, float def) {
2388            String v = getString(cr, name);
2389            try {
2390                return v != null ? Float.parseFloat(v) : def;
2391            } catch (NumberFormatException e) {
2392                return def;
2393            }
2394        }
2395
2396        /**
2397         * Convenience function for retrieving a single secure settings value
2398         * as a float.  Note that internally setting values are always
2399         * stored as strings; this function converts the string to a float
2400         * for you.
2401         * <p>
2402         * This version does not take a default value.  If the setting has not
2403         * been set, or the string value is not a number,
2404         * it throws {@link SettingNotFoundException}.
2405         *
2406         * @param cr The ContentResolver to access.
2407         * @param name The name of the setting to retrieve.
2408         *
2409         * @throws SettingNotFoundException Thrown if a setting by the given
2410         * name can't be found or the setting value is not a float.
2411         *
2412         * @return The setting's current value.
2413         */
2414        public static float getFloat(ContentResolver cr, String name)
2415                throws SettingNotFoundException {
2416            String v = getString(cr, name);
2417            if (v == null) {
2418                throw new SettingNotFoundException(name);
2419            }
2420            try {
2421                return Float.parseFloat(v);
2422            } catch (NumberFormatException e) {
2423                throw new SettingNotFoundException(name);
2424            }
2425        }
2426
2427        /**
2428         * Convenience function for updating a single settings value as a
2429         * floating point number. This will either create a new entry in the
2430         * table if the given name does not exist, or modify the value of the
2431         * existing row with that name.  Note that internally setting values
2432         * are always stored as strings, so this function converts the given
2433         * value to a string before storing it.
2434         *
2435         * @param cr The ContentResolver to access.
2436         * @param name The name of the setting to modify.
2437         * @param value The new value for the setting.
2438         * @return true if the value was set, false on database errors
2439         */
2440        public static boolean putFloat(ContentResolver cr, String name, float value) {
2441            return putString(cr, name, Float.toString(value));
2442        }
2443
2444        /**
2445         * The content:// style URL for this table
2446         */
2447        public static final Uri CONTENT_URI =
2448            Uri.parse("content://" + AUTHORITY + "/secure");
2449
2450        /**
2451         * Whether ADB is enabled.
2452         */
2453        public static final String ADB_ENABLED = "adb_enabled";
2454
2455        /**
2456         * Setting to allow mock locations and location provider status to be injected into the
2457         * LocationManager service for testing purposes during application development.  These
2458         * locations and status values  override actual location and status information generated
2459         * by network, gps, or other location providers.
2460         */
2461        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2462
2463        /**
2464         * A 64-bit number (as a hex string) that is randomly
2465         * generated on the device's first boot and should remain
2466         * constant for the lifetime of the device.  (The value may
2467         * change if a factory reset is performed on the device.)
2468         */
2469        public static final String ANDROID_ID = "android_id";
2470
2471        /**
2472         * Whether bluetooth is enabled/disabled
2473         * 0=disabled. 1=enabled.
2474         */
2475        public static final String BLUETOOTH_ON = "bluetooth_on";
2476
2477        /**
2478         * Get the key that retrieves a bluetooth headset's priority.
2479         * @hide
2480         */
2481        public static final String getBluetoothHeadsetPriorityKey(String address) {
2482            return ("bluetooth_headset_priority_" + address.toUpperCase());
2483        }
2484
2485        /**
2486         * Get the key that retrieves a bluetooth a2dp sink's priority.
2487         * @hide
2488         */
2489        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2490            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2491        }
2492
2493        /**
2494         * Get the key that retrieves a bluetooth Input Device's priority.
2495         * @hide
2496         */
2497        public static final String getBluetoothInputDevicePriorityKey(String address) {
2498            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2499        }
2500
2501        /**
2502         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2503         */
2504        public static final String DATA_ROAMING = "data_roaming";
2505
2506        /**
2507         * Setting to record the input method used by default, holding the ID
2508         * of the desired method.
2509         */
2510        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2511
2512        /**
2513         * Setting to record the input method subtype used by default, holding the ID
2514         * of the desired method.
2515         */
2516        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2517                "selected_input_method_subtype";
2518
2519        /**
2520         * Setting to record the history of input method subtype, holding the pair of ID of IME
2521         * and its last used subtype.
2522         * @hide
2523         */
2524        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2525                "input_methods_subtype_history";
2526
2527        /**
2528         * Setting to record the visibility of input method selector
2529         */
2530        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2531                "input_method_selector_visibility";
2532
2533        /**
2534         * Whether the device has been provisioned (0 = false, 1 = true)
2535         */
2536        public static final String DEVICE_PROVISIONED = "device_provisioned";
2537
2538        /**
2539         * List of input methods that are currently enabled.  This is a string
2540         * containing the IDs of all enabled input methods, each ID separated
2541         * by ':'.
2542         */
2543        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2544
2545        /**
2546         * List of system input methods that are currently disabled.  This is a string
2547         * containing the IDs of all disabled input methods, each ID separated
2548         * by ':'.
2549         * @hide
2550         */
2551        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2552
2553        /**
2554         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2555         * TODO - deprecate in favor of global_http_proxy_host, etc
2556         */
2557        public static final String HTTP_PROXY = "http_proxy";
2558
2559        /**
2560         * Host name for global http proxy.  Set via ConnectivityManager.
2561         * @hide
2562         */
2563        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2564
2565        /**
2566         * Integer host port for global http proxy.  Set via ConnectivityManager.
2567         * @hide
2568         */
2569        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2570
2571        /**
2572         * Exclusion list for global proxy. This string contains a list of comma-separated
2573         * domains where the global proxy does not apply. Domains should be listed in a comma-
2574         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2575         * Use ConnectivityManager to set/get.
2576         * @hide
2577         */
2578        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2579                "global_http_proxy_exclusion_list";
2580
2581        /**
2582         * Enables the UI setting to allow the user to specify the global HTTP proxy
2583         * and associated exclusion list.
2584         * @hide
2585         */
2586        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2587
2588        /**
2589         * Setting for default DNS in case nobody suggests one
2590         * @hide
2591         */
2592        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2593
2594        /**
2595         * Whether the package installer should allow installation of apps downloaded from
2596         * sources other than the Android Market (vending machine).
2597         *
2598         * 1 = allow installing from other sources
2599         * 0 = only allow installing from the Android Market
2600         */
2601        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2602
2603        /**
2604         * Comma-separated list of location providers that activities may access.
2605         */
2606        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2607
2608        /**
2609         * Whether autolock is enabled (0 = false, 1 = true)
2610         */
2611        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2612
2613        /**
2614         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2615         */
2616        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2617
2618        /**
2619         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2620         */
2621        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2622            "lock_pattern_tactile_feedback_enabled";
2623
2624        /**
2625         * This preference allows the device to be locked given time after screen goes off,
2626         * subject to current DeviceAdmin policy limits.
2627         * @hide
2628         */
2629        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2630
2631
2632        /**
2633         * This preference contains the string that shows for owner info on LockScren.
2634         * @hide
2635         */
2636        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2637
2638        /**
2639         * This preference enables showing the owner info on LockScren.
2640         * @hide
2641         */
2642        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2643            "lock_screen_owner_info_enabled";
2644
2645        /**
2646         * The saved value for WindowManagerService.setForcedDisplaySize().
2647         * Two integers separated by a comma.  If unset, then use the real display size.
2648         * @hide
2649         */
2650        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2651
2652        /**
2653         * Whether assisted GPS should be enabled or not.
2654         * @hide
2655         */
2656        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2657
2658        /**
2659         * The Logging ID (a unique 64-bit value) as a hex string.
2660         * Used as a pseudonymous identifier for logging.
2661         * @deprecated This identifier is poorly initialized and has
2662         * many collisions.  It should not be used.
2663         */
2664        @Deprecated
2665        public static final String LOGGING_ID = "logging_id";
2666
2667        /**
2668         * User preference for which network(s) should be used. Only the
2669         * connectivity service should touch this.
2670         */
2671        public static final String NETWORK_PREFERENCE = "network_preference";
2672
2673        /**
2674         * Used to disable Tethering on a device - defaults to true
2675         * @hide
2676         */
2677        public static final String TETHER_SUPPORTED = "tether_supported";
2678
2679        /**
2680         * Used to require DUN APN on the device or not - defaults to a build config value
2681         * which defaults to false
2682         * @hide
2683         */
2684        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2685
2686        /**
2687         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2688         * corresponding build config values are set it will override the APN DB
2689         * values.
2690         * Consists of a comma seperated list of strings:
2691         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2692         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2693         * @hide
2694         */
2695        public static final String TETHER_DUN_APN = "tether_dun_apn";
2696
2697        /**
2698         * No longer supported.
2699         */
2700        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2701
2702        /**
2703         * No longer supported.
2704         */
2705        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2706
2707        /**
2708         * No longer supported.
2709         */
2710        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2711
2712        /**
2713         * A positive value indicates how often the SamplingProfiler
2714         * should take snapshots. Zero value means SamplingProfiler
2715         * is disabled.
2716         *
2717         * @hide
2718         */
2719        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2720
2721        /**
2722         * Settings classname to launch when Settings is clicked from All
2723         * Applications.  Needed because of user testing between the old
2724         * and new Settings apps.
2725         */
2726        // TODO: 881807
2727        public static final String SETTINGS_CLASSNAME = "settings_classname";
2728
2729        /**
2730         * USB Mass Storage Enabled
2731         */
2732        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2733
2734        /**
2735         * If this setting is set (to anything), then all references
2736         * to Gmail on the device must change to Google Mail.
2737         */
2738        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2739
2740        /**
2741         * If accessibility is enabled.
2742         */
2743        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2744
2745        /**
2746         * If touch exploration is enabled.
2747         */
2748        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2749
2750        /**
2751         * List of the enabled accessibility providers.
2752         */
2753        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2754            "enabled_accessibility_services";
2755
2756        /**
2757         * Whether to speak passwords while in accessibility mode.
2758         */
2759        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2760
2761        /**
2762         * If injection of accessibility enhancing JavaScript scripts
2763         * is enabled.
2764         * <p>
2765         *   Note: Accessibility injecting scripts are served by the
2766         *   Google infrastructure and enable users with disabilities to
2767         *   efficiantly navigate in and explore web content.
2768         * </p>
2769         * <p>
2770         *   This property represents a boolean value.
2771         * </p>
2772         * @hide
2773         */
2774        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2775            "accessibility_script_injection";
2776
2777        /**
2778         * Key bindings for navigation in built-in accessibility support for web content.
2779         * <p>
2780         *   Note: These key bindings are for the built-in accessibility navigation for
2781         *   web content which is used as a fall back solution if JavaScript in a WebView
2782         *   is not enabled or the user has not opted-in script injection from Google.
2783         * </p>
2784         * <p>
2785         *   The bindings are separated by semi-colon. A binding is a mapping from
2786         *   a key to a sequence of actions (for more details look at
2787         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2788         *   string representation of an integer obtained from a meta state (optional) shifted
2789         *   sixteen times left and bitwise ored with a key code. An action is represented
2790         *   as a hexademical string representation of an integer where the first two digits
2791         *   are navigation action index, the second, the third, and the fourth digit pairs
2792         *   represent the action arguments. The separate actions in a binding are colon
2793         *   separated. The key and the action sequence it maps to are separated by equals.
2794         * </p>
2795         * <p>
2796         *   For example, the binding below maps the DPAD right button to traverse the
2797         *   current navigation axis once without firing an accessibility event and to
2798         *   perform the same traversal again but to fire an event:
2799         *   <code>
2800         *     0x16=0x01000100:0x01000101;
2801         *   </code>
2802         * </p>
2803         * <p>
2804         *   The goal of this binding is to enable dynamic rebinding of keys to
2805         *   navigation actions for web content without requiring a framework change.
2806         * </p>
2807         * <p>
2808         *   This property represents a string value.
2809         * </p>
2810         * @hide
2811         */
2812        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2813            "accessibility_web_content_key_bindings";
2814
2815        /**
2816         * The timout for considering a press to be a long press in milliseconds.
2817         * @hide
2818         */
2819        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2820
2821        /**
2822         * Setting to always use the default text-to-speech settings regardless
2823         * of the application settings.
2824         * 1 = override application settings,
2825         * 0 = use application settings (if specified).
2826         *
2827         * @deprecated  The value of this setting is no longer respected by
2828         * the framework text to speech APIs as of the Ice Cream Sandwich release.
2829         */
2830        @Deprecated
2831        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2832
2833        /**
2834         * Default text-to-speech engine speech rate. 100 = 1x
2835         */
2836        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2837
2838        /**
2839         * Default text-to-speech engine pitch. 100 = 1x
2840         */
2841        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2842
2843        /**
2844         * Default text-to-speech engine.
2845         */
2846        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2847
2848        /**
2849         * Default text-to-speech language.
2850         *
2851         * @deprecated this setting is no longer in use, as of the Ice Cream
2852         * Sandwich release. Apps should never need to read this setting directly,
2853         * instead can query the TextToSpeech framework classes for the default
2854         * locale. {@link TextToSpeech#getLanguage()}.
2855         */
2856        @Deprecated
2857        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2858
2859        /**
2860         * Default text-to-speech country.
2861         *
2862         * @deprecated this setting is no longer in use, as of the Ice Cream
2863         * Sandwich release. Apps should never need to read this setting directly,
2864         * instead can query the TextToSpeech framework classes for the default
2865         * locale. {@link TextToSpeech#getLanguage()}.
2866         */
2867        @Deprecated
2868        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2869
2870        /**
2871         * Default text-to-speech locale variant.
2872         *
2873         * @deprecated this setting is no longer in use, as of the Ice Cream
2874         * Sandwich release. Apps should never need to read this setting directly,
2875         * instead can query the TextToSpeech framework classes for the
2876         * locale that is in use {@link TextToSpeech#getLanguage()}.
2877         */
2878        @Deprecated
2879        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2880
2881        /**
2882         * Stores the default tts locales on a per engine basis. Stored as
2883         * a comma seperated list of values, each value being of the form
2884         * {@code engine_name:locale} for example,
2885         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
2886         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
2887         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
2888         * setting directly, and can query the TextToSpeech framework classes
2889         * for the locale that is in use.
2890         *
2891         * @hide
2892         */
2893        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
2894
2895        /**
2896         * Space delimited list of plugin packages that are enabled.
2897         */
2898        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2899
2900        /**
2901         * Whether to notify the user of open networks.
2902         * <p>
2903         * If not connected and the scan results have an open network, we will
2904         * put this notification up. If we attempt to connect to a network or
2905         * the open network(s) disappear, we remove the notification. When we
2906         * show the notification, we will not show it again for
2907         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2908         */
2909        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2910                "wifi_networks_available_notification_on";
2911        /**
2912         * {@hide}
2913         */
2914        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2915                "wimax_networks_available_notification_on";
2916
2917        /**
2918         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2919         * Connecting to a network will reset the timer.
2920         */
2921        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2922                "wifi_networks_available_repeat_delay";
2923
2924        /**
2925         * 802.11 country code in ISO 3166 format
2926         * @hide
2927         */
2928        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2929
2930
2931        /**
2932         * When the number of open networks exceeds this number, the
2933         * least-recently-used excess networks will be removed.
2934         */
2935        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2936
2937        /**
2938         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2939         */
2940        public static final String WIFI_ON = "wifi_on";
2941
2942        /**
2943         * Used to save the Wifi_ON state prior to tethering.
2944         * This state will be checked to restore Wifi after
2945         * the user turns off tethering.
2946         *
2947         * @hide
2948         */
2949        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2950
2951        /**
2952         * AP SSID
2953         *
2954         * @hide
2955         */
2956        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2957
2958        /**
2959         * AP security
2960         *
2961         * @hide
2962         */
2963        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2964
2965        /**
2966         * AP passphrase
2967         *
2968         * @hide
2969         */
2970        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2971
2972        /**
2973         * The acceptable packet loss percentage (range 0 - 100) before trying
2974         * another AP on the same network.
2975         */
2976        @Deprecated
2977        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2978                "wifi_watchdog_acceptable_packet_loss_percentage";
2979
2980        /**
2981         * The number of access points required for a network in order for the
2982         * watchdog to monitor it.
2983         */
2984        @Deprecated
2985        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2986
2987        /**
2988         * The delay between background checks.
2989         */
2990        @Deprecated
2991        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2992                "wifi_watchdog_background_check_delay_ms";
2993
2994        /**
2995         * Whether the Wi-Fi watchdog is enabled for background checking even
2996         * after it thinks the user has connected to a good access point.
2997         */
2998        @Deprecated
2999        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3000                "wifi_watchdog_background_check_enabled";
3001
3002        /**
3003         * The timeout for a background ping
3004         */
3005        @Deprecated
3006        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3007                "wifi_watchdog_background_check_timeout_ms";
3008
3009        /**
3010         * The number of initial pings to perform that *may* be ignored if they
3011         * fail. Again, if these fail, they will *not* be used in packet loss
3012         * calculation. For example, one network always seemed to time out for
3013         * the first couple pings, so this is set to 3 by default.
3014         */
3015        @Deprecated
3016        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3017            "wifi_watchdog_initial_ignored_ping_count";
3018
3019        /**
3020         * The maximum number of access points (per network) to attempt to test.
3021         * If this number is reached, the watchdog will no longer monitor the
3022         * initial connection state for the network. This is a safeguard for
3023         * networks containing multiple APs whose DNS does not respond to pings.
3024         */
3025        @Deprecated
3026        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3027
3028        /**
3029         * Whether the Wi-Fi watchdog is enabled.
3030         */
3031        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3032
3033        /**
3034         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3035         */
3036        @Deprecated
3037        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3038
3039        /**
3040         * The number of pings to test if an access point is a good connection.
3041         */
3042        @Deprecated
3043        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3044
3045        /**
3046         * The delay between pings.
3047         */
3048        @Deprecated
3049        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3050
3051        /**
3052         * The timeout per ping.
3053         */
3054        @Deprecated
3055        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3056
3057        /**
3058         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3059         * @hide
3060         */
3061        public static final String WIFI_WATCHDOG_DNS_CHECK_SHORT_INTERVAL_MS =
3062                "wifi_watchdog_dns_check_short_interval_ms";
3063
3064        /**
3065         * ms delay before rechecking an 'online' wifi connection when it is thought to be stable.
3066         * @hide
3067         */
3068        public static final String WIFI_WATCHDOG_DNS_CHECK_LONG_INTERVAL_MS =
3069                "wifi_watchdog_dns_check_long_interval_ms";
3070
3071        /**
3072         * ms delay before rechecking a connect SSID for walled garden with a http download.
3073         * @hide
3074         */
3075        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3076                "wifi_watchdog_walled_garden_interval_ms";
3077
3078        /**
3079         * max blacklist calls on an SSID before full dns check failures disable the network.
3080         * @hide
3081         */
3082        public static final String WIFI_WATCHDOG_MAX_SSID_BLACKLISTS =
3083                "wifi_watchdog_max_ssid_blacklists";
3084
3085        /**
3086         * Number of dns pings per check.
3087         * @hide
3088         */
3089        public static final String WIFI_WATCHDOG_NUM_DNS_PINGS = "wifi_watchdog_num_dns_pings";
3090
3091        /**
3092         * Minimum number of responses to the dns pings to consider the test 'successful'.
3093         * @hide
3094         */
3095        public static final String WIFI_WATCHDOG_MIN_DNS_RESPONSES =
3096                "wifi_watchdog_min_dns_responses";
3097
3098        /**
3099         * Timeout on dns pings
3100         * @hide
3101         */
3102        public static final String WIFI_WATCHDOG_DNS_PING_TIMEOUT_MS =
3103                "wifi_watchdog_dns_ping_timeout_ms";
3104
3105        /**
3106         * We consider action from a 'blacklist' call to have finished by the end of
3107         * this interval.  If we are connected to the same AP with no network connection,
3108         * we are likely stuck on an SSID with no external connectivity.
3109         * @hide
3110         */
3111        public static final String WIFI_WATCHDOG_BLACKLIST_FOLLOWUP_INTERVAL_MS =
3112                "wifi_watchdog_blacklist_followup_interval_ms";
3113
3114        /**
3115         * Setting to turn off poor network avoidance on Wi-Fi. Feature is disabled by default and
3116         * the setting needs to be set to 1 to enable it.
3117         * @hide
3118         */
3119        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3120                "wifi_watchdog_poor_network_test_enabled";
3121
3122        /**
3123         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3124         * the setting needs to be set to 0 to disable it.
3125         * @hide
3126         */
3127        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3128                "wifi_watchdog_walled_garden_test_enabled";
3129
3130        /**
3131         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3132         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3133         * is not part of the title string to notify the user on the presence of a walled garden.
3134         * @hide
3135         */
3136        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3137                "wifi_watchdog_walled_garden_url";
3138
3139        /**
3140         * Boolean to determine whether to notify on disabling a network.  Secure setting used
3141         * to notify user only once.
3142         * @hide
3143         */
3144        public static final String WIFI_WATCHDOG_SHOW_DISABLED_NETWORK_POPUP =
3145                "wifi_watchdog_show_disabled_network_popup";
3146
3147        /**
3148         * The maximum number of times we will retry a connection to an access
3149         * point for which we have failed in acquiring an IP address from DHCP.
3150         * A value of N means that we will make N+1 connection attempts in all.
3151         */
3152        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3153
3154        /**
3155         * The operational wifi frequency band
3156         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3157         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3158         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3159         *
3160         * @hide
3161         */
3162        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3163
3164        /**
3165         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3166         * data connectivity to be established after a disconnect from Wi-Fi.
3167         */
3168        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3169            "wifi_mobile_data_transition_wakelock_timeout_ms";
3170
3171        /**
3172         * Whether background data usage is allowed by the user. See
3173         * ConnectivityManager for more info.
3174         */
3175        @Deprecated
3176        public static final String BACKGROUND_DATA = "background_data";
3177
3178        /**
3179         * Origins for which browsers should allow geolocation by default.
3180         * The value is a space-separated list of origins.
3181         */
3182        public static final String ALLOWED_GEOLOCATION_ORIGINS
3183                = "allowed_geolocation_origins";
3184
3185        /**
3186         * Whether mobile data connections are allowed by the user.  See
3187         * ConnectivityManager for more info.
3188         * @hide
3189         */
3190        public static final String MOBILE_DATA = "mobile_data";
3191
3192        /**
3193         * The CDMA roaming mode 0 = Home Networks, CDMA default
3194         *                       1 = Roaming on Affiliated networks
3195         *                       2 = Roaming on any networks
3196         * @hide
3197         */
3198        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3199
3200        /**
3201         * The CDMA subscription mode 0 = RUIM/SIM (default)
3202         *                                1 = NV
3203         * @hide
3204         */
3205        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3206
3207        /**
3208         * The preferred network mode   7 = Global
3209         *                              6 = EvDo only
3210         *                              5 = CDMA w/o EvDo
3211         *                              4 = CDMA / EvDo auto
3212         *                              3 = GSM / WCDMA auto
3213         *                              2 = WCDMA only
3214         *                              1 = GSM only
3215         *                              0 = GSM / WCDMA preferred
3216         * @hide
3217         */
3218        public static final String PREFERRED_NETWORK_MODE =
3219                "preferred_network_mode";
3220
3221        /**
3222         * The preferred TTY mode     0 = TTy Off, CDMA default
3223         *                            1 = TTY Full
3224         *                            2 = TTY HCO
3225         *                            3 = TTY VCO
3226         * @hide
3227         */
3228        public static final String PREFERRED_TTY_MODE =
3229                "preferred_tty_mode";
3230
3231
3232        /**
3233         * CDMA Cell Broadcast SMS
3234         *                            0 = CDMA Cell Broadcast SMS disabled
3235         *                            1 = CDMA Cell Broadcast SMS enabled
3236         * @hide
3237         */
3238        public static final String CDMA_CELL_BROADCAST_SMS =
3239                "cdma_cell_broadcast_sms";
3240
3241        /**
3242         * The cdma subscription 0 = Subscription from RUIM, when available
3243         *                       1 = Subscription from NV
3244         * @hide
3245         */
3246        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3247                "preferred_cdma_subscription";
3248
3249        /**
3250         * Whether the enhanced voice privacy mode is enabled.
3251         * 0 = normal voice privacy
3252         * 1 = enhanced voice privacy
3253         * @hide
3254         */
3255        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3256
3257        /**
3258         * Whether the TTY mode mode is enabled.
3259         * 0 = disabled
3260         * 1 = enabled
3261         * @hide
3262         */
3263        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3264
3265        /**
3266         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3267         * @hide
3268         */
3269        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3270
3271        /**
3272         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3273         * @hide
3274         */
3275        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3276
3277        /**
3278         * Controls whether settings backup is enabled.
3279         * Type: int ( 0 = disabled, 1 = enabled )
3280         * @hide
3281         */
3282        public static final String BACKUP_ENABLED = "backup_enabled";
3283
3284        /**
3285         * Controls whether application data is automatically restored from backup
3286         * at install time.
3287         * Type: int ( 0 = disabled, 1 = enabled )
3288         * @hide
3289         */
3290        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3291
3292        /**
3293         * Indicates whether settings backup has been fully provisioned.
3294         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3295         * @hide
3296         */
3297        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3298
3299        /**
3300         * Component of the transport to use for backup/restore.
3301         * @hide
3302         */
3303        public static final String BACKUP_TRANSPORT = "backup_transport";
3304
3305        /**
3306         * Version for which the setup wizard was last shown.  Bumped for
3307         * each release when there is new setup information to show.
3308         * @hide
3309         */
3310        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3311
3312        /**
3313         * How frequently (in seconds) to check the memory status of the
3314         * device.
3315         * @hide
3316         */
3317        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3318
3319        /**
3320         * Max frequency (in seconds) to log memory check stats, in realtime
3321         * seconds.  This allows for throttling of logs when the device is
3322         * running for large amounts of time.
3323         * @hide
3324         */
3325        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3326                "memcheck_log_realtime_interval";
3327
3328        /**
3329         * Boolean indicating whether rebooting due to system memory checks
3330         * is enabled.
3331         * @hide
3332         */
3333        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3334
3335        /**
3336         * How many bytes the system process must be below to avoid scheduling
3337         * a soft reboot.  This reboot will happen when it is next determined
3338         * to be a good time.
3339         * @hide
3340         */
3341        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3342
3343        /**
3344         * How many bytes the system process must be below to avoid scheduling
3345         * a hard reboot.  This reboot will happen immediately.
3346         * @hide
3347         */
3348        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3349
3350        /**
3351         * How many bytes the phone process must be below to avoid scheduling
3352         * a soft restart.  This restart will happen when it is next determined
3353         * to be a good time.
3354         * @hide
3355         */
3356        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3357
3358        /**
3359         * How many bytes the phone process must be below to avoid scheduling
3360         * a hard restart.  This restart will happen immediately.
3361         * @hide
3362         */
3363        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3364
3365        /**
3366         * Boolean indicating whether restarting the phone process due to
3367         * memory checks is enabled.
3368         * @hide
3369         */
3370        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3371
3372        /**
3373         * First time during the day it is okay to kill processes
3374         * or reboot the device due to low memory situations.  This number is
3375         * in seconds since midnight.
3376         * @hide
3377         */
3378        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3379
3380        /**
3381         * Last time during the day it is okay to kill processes
3382         * or reboot the device due to low memory situations.  This number is
3383         * in seconds since midnight.
3384         * @hide
3385         */
3386        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3387
3388        /**
3389         * How long the screen must have been off in order to kill processes
3390         * or reboot.  This number is in seconds.  A value of -1 means to
3391         * entirely disregard whether the screen is on.
3392         * @hide
3393         */
3394        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3395
3396        /**
3397         * How much time there must be until the next alarm in order to kill processes
3398         * or reboot.  This number is in seconds.  Note: this value must be
3399         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3400         * always see an alarm scheduled within its time.
3401         * @hide
3402         */
3403        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3404
3405        /**
3406         * How frequently to check whether it is a good time to restart things,
3407         * if the device is in a bad state.  This number is in seconds.  Note:
3408         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3409         * the alarm to schedule the recheck will always appear within the
3410         * minimum "do not execute now" time.
3411         * @hide
3412         */
3413        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3414
3415        /**
3416         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3417         * will occur.
3418         * @hide
3419         */
3420        public static final String REBOOT_INTERVAL = "reboot_interval";
3421
3422        /**
3423         * First time during the day it is okay to force a reboot of the
3424         * device (if REBOOT_INTERVAL is set).  This number is
3425         * in seconds since midnight.
3426         * @hide
3427         */
3428        public static final String REBOOT_START_TIME = "reboot_start_time";
3429
3430        /**
3431         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3432         * a reboot can be executed.  If 0, a reboot will always be executed at
3433         * exactly the given time.  Otherwise, it will only be executed if
3434         * the device is idle within the window.
3435         * @hide
3436         */
3437        public static final String REBOOT_WINDOW = "reboot_window";
3438
3439        /**
3440         * Threshold values for the duration and level of a discharge cycle, under
3441         * which we log discharge cycle info.
3442         * @hide
3443         */
3444        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3445                "battery_discharge_duration_threshold";
3446        /** @hide */
3447        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3448
3449        /**
3450         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3451         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3452         * will never display the "Report" button.
3453         * Type: int ( 0 = disallow, 1 = allow )
3454         * @hide
3455         */
3456        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3457
3458        /**
3459         * Nonzero causes Log.wtf() to crash.
3460         * @hide
3461         */
3462        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3463
3464        /**
3465         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3466         * @hide
3467         */
3468        public static final String DROPBOX_AGE_SECONDS =
3469                "dropbox_age_seconds";
3470        /**
3471         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3472         * @hide
3473         */
3474        public static final String DROPBOX_MAX_FILES =
3475                "dropbox_max_files";
3476        /**
3477         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3478         * @hide
3479         */
3480        public static final String DROPBOX_QUOTA_KB =
3481                "dropbox_quota_kb";
3482        /**
3483         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3484         * @hide
3485         */
3486        public static final String DROPBOX_QUOTA_PERCENT =
3487                "dropbox_quota_percent";
3488        /**
3489         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3490         * @hide
3491         */
3492        public static final String DROPBOX_RESERVE_PERCENT =
3493                "dropbox_reserve_percent";
3494        /**
3495         * Prefix for per-tag dropbox disable/enable settings.
3496         * @hide
3497         */
3498        public static final String DROPBOX_TAG_PREFIX =
3499                "dropbox:";
3500        /**
3501         * Lines of logcat to include with system crash/ANR/etc. reports,
3502         * as a prefix of the dropbox tag of the report type.
3503         * For example, "logcat_for_system_server_anr" controls the lines
3504         * of logcat captured with system server ANR reports.  0 to disable.
3505         * @hide
3506         */
3507        public static final String ERROR_LOGCAT_PREFIX =
3508                "logcat_for_";
3509
3510
3511        /**
3512         * Screen timeout in milliseconds corresponding to the
3513         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3514         * possible screen timeout behavior.)
3515         * @hide
3516         */
3517        public static final String SHORT_KEYLIGHT_DELAY_MS =
3518                "short_keylight_delay_ms";
3519
3520        /**
3521         * The interval in minutes after which the amount of free storage left on the
3522         * device is logged to the event log
3523         * @hide
3524         */
3525        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3526                "sys_free_storage_log_interval";
3527
3528        /**
3529         * Threshold for the amount of change in disk free space required to report the amount of
3530         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3531         * frequently.
3532         * @hide
3533         */
3534        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3535                "disk_free_change_reporting_threshold";
3536
3537
3538        /**
3539         * Minimum percentage of free storage on the device that is used to determine if
3540         * the device is running low on storage.  The default is 10.
3541         * <p>Say this value is set to 10, the device is considered running low on storage
3542         * if 90% or more of the device storage is filled up.
3543         * @hide
3544         */
3545        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3546                "sys_storage_threshold_percentage";
3547
3548        /**
3549         * Maximum byte size of the low storage threshold.  This is to ensure
3550         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3551         * an overly large threshold for large storage devices.  Currently this
3552         * must be less than 2GB.  This default is 500MB.
3553         * @hide
3554         */
3555        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3556                "sys_storage_threshold_max_bytes";
3557
3558        /**
3559         * Minimum bytes of free storage on the device before the data
3560         * partition is considered full. By default, 1 MB is reserved
3561         * to avoid system-wide SQLite disk full exceptions.
3562         * @hide
3563         */
3564        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3565                "sys_storage_full_threshold_bytes";
3566
3567        /**
3568         * The interval in milliseconds after which Wi-Fi is considered idle.
3569         * When idle, it is possible for the device to be switched from Wi-Fi to
3570         * the mobile data network.
3571         * @hide
3572         */
3573        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3574
3575        /**
3576         * The interval in milliseconds to issue wake up scans when wifi needs
3577         * to connect. This is necessary to connect to an access point when
3578         * device is on the move and the screen is off.
3579         * @hide
3580         */
3581        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3582                "wifi_framework_scan_interval_ms";
3583
3584        /**
3585         * The interval in milliseconds to scan as used by the wifi supplicant
3586         * @hide
3587         */
3588        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3589                "wifi_supplicant_scan_interval_ms";
3590
3591        /**
3592         * The interval in milliseconds at which to check packet counts on the
3593         * mobile data interface when screen is on, to detect possible data
3594         * connection problems.
3595         * @hide
3596         */
3597        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3598                "pdp_watchdog_poll_interval_ms";
3599
3600        /**
3601         * The interval in milliseconds at which to check packet counts on the
3602         * mobile data interface when screen is off, to detect possible data
3603         * connection problems.
3604         * @hide
3605         */
3606        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3607                "pdp_watchdog_long_poll_interval_ms";
3608
3609        /**
3610         * The interval in milliseconds at which to check packet counts on the
3611         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3612         * outgoing packets has been reached without incoming packets.
3613         * @hide
3614         */
3615        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3616                "pdp_watchdog_error_poll_interval_ms";
3617
3618        /**
3619         * The number of outgoing packets sent without seeing an incoming packet
3620         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3621         * device is logged to the event log
3622         * @hide
3623         */
3624        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3625                "pdp_watchdog_trigger_packet_count";
3626
3627        /**
3628         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3629         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3630         * attempting data connection recovery.
3631         * @hide
3632         */
3633        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3634                "pdp_watchdog_error_poll_count";
3635
3636        /**
3637         * The number of failed PDP reset attempts before moving to something more
3638         * drastic: re-registering to the network.
3639         * @hide
3640         */
3641        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3642                "pdp_watchdog_max_pdp_reset_fail_count";
3643
3644        /**
3645         * The number of milliseconds to delay when checking for data stalls during
3646         * non-aggressive detection. (screen is turned off.)
3647         * @hide
3648         */
3649        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3650                "data_stall_alarm_non_aggressive_delay_in_ms";
3651
3652        /**
3653         * The number of milliseconds to delay when checking for data stalls during
3654         * aggressive detection. (screen on or suspected data stall)
3655         * @hide
3656         */
3657        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3658                "data_stall_alarm_aggressive_delay_in_ms";
3659
3660        /**
3661         * The interval in milliseconds at which to check gprs registration
3662         * after the first registration mismatch of gprs and voice service,
3663         * to detect possible data network registration problems.
3664         *
3665         * @hide
3666         */
3667        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3668                "gprs_register_check_period_ms";
3669
3670        /**
3671         * The length of time in milli-seconds that automatic small adjustments to
3672         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3673         * @hide
3674         */
3675        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3676
3677        /**
3678         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3679         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3680         * exceeded.
3681         * @hide
3682         */
3683        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3684
3685        /**
3686         * The maximum reconnect delay for short network outages or when the network is suspended
3687         * due to phone use.
3688         * @hide
3689         */
3690        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3691                "sync_max_retry_delay_in_seconds";
3692
3693        /**
3694         * The interval in milliseconds at which to check the number of SMS sent
3695         * out without asking for use permit, to limit the un-authorized SMS
3696         * usage.
3697         * @hide
3698         */
3699        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3700                "sms_outgoing_check_interval_ms";
3701
3702        /**
3703         * The number of outgoing SMS sent without asking for user permit
3704         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3705         * @hide
3706         */
3707        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3708                "sms_outgoing_check_max_count";
3709
3710        /**
3711         * The global search provider chosen by the user (if multiple global
3712         * search providers are installed). This will be the provider returned
3713         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3714         * installed. This setting is stored as a flattened component name as
3715         * per {@link ComponentName#flattenToString()}.
3716         *
3717         * @hide
3718         */
3719        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3720                "search_global_search_activity";
3721
3722        /**
3723         * The number of promoted sources in GlobalSearch.
3724         * @hide
3725         */
3726        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3727        /**
3728         * The maximum number of suggestions returned by GlobalSearch.
3729         * @hide
3730         */
3731        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3732        /**
3733         * The number of suggestions GlobalSearch will ask each non-web search source for.
3734         * @hide
3735         */
3736        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3737        /**
3738         * The number of suggestions the GlobalSearch will ask the web search source for.
3739         * @hide
3740         */
3741        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3742                "search_web_results_override_limit";
3743        /**
3744         * The number of milliseconds that GlobalSearch will wait for suggestions from
3745         * promoted sources before continuing with all other sources.
3746         * @hide
3747         */
3748        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3749                "search_promoted_source_deadline_millis";
3750        /**
3751         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3752         * @hide
3753         */
3754        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3755        /**
3756         * The maximum number of milliseconds that GlobalSearch shows the previous results
3757         * after receiving a new query.
3758         * @hide
3759         */
3760        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3761        /**
3762         * The maximum age of log data used for shortcuts in GlobalSearch.
3763         * @hide
3764         */
3765        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3766        /**
3767         * The maximum age of log data used for source ranking in GlobalSearch.
3768         * @hide
3769         */
3770        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3771                "search_max_source_event_age_millis";
3772        /**
3773         * The minimum number of impressions needed to rank a source in GlobalSearch.
3774         * @hide
3775         */
3776        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3777                "search_min_impressions_for_source_ranking";
3778        /**
3779         * The minimum number of clicks needed to rank a source in GlobalSearch.
3780         * @hide
3781         */
3782        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3783                "search_min_clicks_for_source_ranking";
3784        /**
3785         * The maximum number of shortcuts shown by GlobalSearch.
3786         * @hide
3787         */
3788        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3789        /**
3790         * The size of the core thread pool for suggestion queries in GlobalSearch.
3791         * @hide
3792         */
3793        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3794                "search_query_thread_core_pool_size";
3795        /**
3796         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3797         * @hide
3798         */
3799        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3800                "search_query_thread_max_pool_size";
3801        /**
3802         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3803         * @hide
3804         */
3805        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3806                "search_shortcut_refresh_core_pool_size";
3807        /**
3808         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3809         * @hide
3810         */
3811        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3812                "search_shortcut_refresh_max_pool_size";
3813        /**
3814         * The maximun time that excess threads in the GlobalSeach thread pools will
3815         * wait before terminating.
3816         * @hide
3817         */
3818        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3819                "search_thread_keepalive_seconds";
3820        /**
3821         * The maximum number of concurrent suggestion queries to each source.
3822         * @hide
3823         */
3824        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3825                "search_per_source_concurrent_query_limit";
3826
3827        /**
3828         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3829         * @hide
3830         */
3831        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3832
3833        /**
3834         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3835         * @hide
3836         */
3837        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3838
3839        /**
3840         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3841         * @hide
3842         */
3843        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3844
3845        /**
3846         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3847         * @hide
3848         */
3849        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3850
3851        /**
3852         * If nonzero, ANRs in invisible background processes bring up a dialog.
3853         * Otherwise, the process will be silently killed.
3854         * @hide
3855         */
3856        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3857
3858        /**
3859         * The {@link ComponentName} string of the service to be used as the voice recognition
3860         * service.
3861         *
3862         * @hide
3863         */
3864        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3865
3866
3867        /**
3868         * The {@link ComponentName} string of the selected spell checker service which is
3869         * one of the services managed by the text service manager.
3870         *
3871         * @hide
3872         */
3873        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
3874
3875        /**
3876         * The {@link ComponentName} string of the selected subtype of the selected spell checker
3877         * service which is one of the services managed by the text service manager.
3878         *
3879         * @hide
3880         */
3881        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
3882                "selected_spell_checker_subtype";
3883
3884        /**
3885         * The {@link ComponentName} string whether spell checker is enabled or not.
3886         *
3887         * @hide
3888         */
3889        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
3890
3891        /**
3892         * What happens when the user presses the Power button while in-call
3893         * and the screen is on.<br/>
3894         * <b>Values:</b><br/>
3895         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3896         * 2 - The Power button hangs up the current call.<br/>
3897         *
3898         * @hide
3899         */
3900        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3901
3902        /**
3903         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3904         * @hide
3905         */
3906        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3907
3908        /**
3909         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3910         * @hide
3911         */
3912        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3913
3914        /**
3915         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3916         * @hide
3917         */
3918        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3919                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3920
3921        /**
3922         * The current night mode that has been selected by the user.  Owned
3923         * and controlled by UiModeManagerService.  Constants are as per
3924         * UiModeManager.
3925         * @hide
3926         */
3927        public static final String UI_NIGHT_MODE = "ui_night_mode";
3928
3929        /**
3930         * Let user pick default install location.
3931         * @hide
3932         */
3933        public static final String SET_INSTALL_LOCATION = "set_install_location";
3934
3935        /**
3936         * Default install location value.
3937         * 0 = auto, let system decide
3938         * 1 = internal
3939         * 2 = sdcard
3940         * @hide
3941         */
3942        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3943
3944        /**
3945         * The bandwidth throttle polling freqency in seconds
3946         * @hide
3947         */
3948        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3949
3950        /**
3951         * The bandwidth throttle threshold (long)
3952         * @hide
3953         */
3954        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3955
3956        /**
3957         * The bandwidth throttle value (kbps)
3958         * @hide
3959         */
3960        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3961
3962        /**
3963         * The bandwidth throttle reset calendar day (1-28)
3964         * @hide
3965         */
3966        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3967
3968        /**
3969         * The throttling notifications we should send
3970         * @hide
3971         */
3972        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3973
3974        /**
3975         * Help URI for data throttling policy
3976         * @hide
3977         */
3978        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3979
3980        /**
3981         * The length of time in Sec that we allow our notion of NTP time
3982         * to be cached before we refresh it
3983         * @hide
3984         */
3985        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3986                "throttle_max_ntp_cache_age_sec";
3987
3988        /**
3989         * The maximum size, in bytes, of a download that the download manager will transfer over
3990         * a non-wifi connection.
3991         * @hide
3992         */
3993        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3994                "download_manager_max_bytes_over_mobile";
3995
3996        /**
3997         * The recommended maximum size, in bytes, of a download that the download manager should
3998         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3999         * have the option to start the download over the mobile connection anyway.
4000         * @hide
4001         */
4002        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4003                "download_manager_recommended_max_bytes_over_mobile";
4004
4005        /**
4006         * ms during which to consume extra events related to Inet connection condition
4007         * after a transtion to fully-connected
4008         * @hide
4009         */
4010        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4011                "inet_condition_debounce_up_delay";
4012
4013        /**
4014         * ms during which to consume extra events related to Inet connection condtion
4015         * after a transtion to partly-connected
4016         * @hide
4017         */
4018        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4019                "inet_condition_debounce_down_delay";
4020
4021        /**
4022         * URL to open browser on to allow user to manage a prepay account
4023         * @hide
4024         */
4025        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4026                "setup_prepaid_data_service_url";
4027
4028        /**
4029         * URL to attempt a GET on to see if this is a prepay device
4030         * @hide
4031         */
4032        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4033                "setup_prepaid_detection_target_url";
4034
4035        /**
4036         * Host to check for a redirect to after an attempt to GET
4037         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4038         * this is a prepaid device with zero balance.)
4039         * @hide
4040         */
4041        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4042                "setup_prepaid_detection_redir_host";
4043
4044        /** {@hide} */
4045        public static final String NETSTATS_ENABLED = "netstats_enabled";
4046        /** {@hide} */
4047        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4048        /** {@hide} */
4049        public static final String NETSTATS_PERSIST_THRESHOLD = "netstats_persist_threshold";
4050        /** {@hide} */
4051        public static final String NETSTATS_NETWORK_BUCKET_DURATION = "netstats_network_bucket_duration";
4052        /** {@hide} */
4053        public static final String NETSTATS_NETWORK_MAX_HISTORY = "netstats_network_max_history";
4054        /** {@hide} */
4055        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4056        /** {@hide} */
4057        public static final String NETSTATS_UID_MAX_HISTORY = "netstats_uid_max_history";
4058        /** {@hide} */
4059        public static final String NETSTATS_TAG_MAX_HISTORY = "netstats_tag_max_history";
4060
4061        /** Preferred NTP server. {@hide} */
4062        public static final String NTP_SERVER = "ntp_server";
4063        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4064        public static final String NTP_TIMEOUT = "ntp_timeout";
4065
4066        /** Autofill server address (Used in WebView/browser). {@hide} */
4067        public static final String WEB_AUTOFILL_QUERY_URL =
4068            "web_autofill_query_url";
4069
4070        /** Whether package verification is enabled. {@hide} */
4071        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4072
4073        /** Timeout for package verification. {@hide} */
4074        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4075
4076        /**
4077         * Duration in milliseconds before pre-authorized URIs for the contacts
4078         * provider should expire.
4079         * @hide
4080         */
4081        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4082                "contacts_preauth_uri_expiration";
4083
4084        /**
4085         * This are the settings to be backed up.
4086         *
4087         * NOTE: Settings are backed up and restored in the order they appear
4088         *       in this array. If you have one setting depending on another,
4089         *       make sure that they are ordered appropriately.
4090         *
4091         * @hide
4092         */
4093        public static final String[] SETTINGS_TO_BACKUP = {
4094            ADB_ENABLED,
4095            ALLOW_MOCK_LOCATION,
4096            PARENTAL_CONTROL_ENABLED,
4097            PARENTAL_CONTROL_REDIRECT_URL,
4098            USB_MASS_STORAGE_ENABLED,
4099            ACCESSIBILITY_SCRIPT_INJECTION,
4100            BACKUP_AUTO_RESTORE,
4101            ENABLED_ACCESSIBILITY_SERVICES,
4102            TOUCH_EXPLORATION_ENABLED,
4103            ACCESSIBILITY_ENABLED,
4104            ACCESSIBILITY_SPEAK_PASSWORD,
4105            TTS_USE_DEFAULTS,
4106            TTS_DEFAULT_RATE,
4107            TTS_DEFAULT_PITCH,
4108            TTS_DEFAULT_SYNTH,
4109            TTS_DEFAULT_LANG,
4110            TTS_DEFAULT_COUNTRY,
4111            TTS_ENABLED_PLUGINS,
4112            TTS_DEFAULT_LOCALE,
4113            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4114            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4115            WIFI_NUM_OPEN_NETWORKS_KEPT,
4116            MOUNT_PLAY_NOTIFICATION_SND,
4117            MOUNT_UMS_AUTOSTART,
4118            MOUNT_UMS_PROMPT,
4119            MOUNT_UMS_NOTIFY_ENABLED,
4120            UI_NIGHT_MODE,
4121            LOCK_SCREEN_OWNER_INFO,
4122            LOCK_SCREEN_OWNER_INFO_ENABLED
4123        };
4124
4125        /**
4126         * Helper method for determining if a location provider is enabled.
4127         * @param cr the content resolver to use
4128         * @param provider the location provider to query
4129         * @return true if the provider is enabled
4130         */
4131        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4132            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4133            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4134        }
4135
4136        /**
4137         * Thread-safe method for enabling or disabling a single location provider.
4138         * @param cr the content resolver to use
4139         * @param provider the location provider to enable or disable
4140         * @param enabled true if the provider should be enabled
4141         */
4142        public static final void setLocationProviderEnabled(ContentResolver cr,
4143                String provider, boolean enabled) {
4144            // to ensure thread safety, we write the provider name with a '+' or '-'
4145            // and let the SettingsProvider handle it rather than reading and modifying
4146            // the list of enabled providers.
4147            if (enabled) {
4148                provider = "+" + provider;
4149            } else {
4150                provider = "-" + provider;
4151            }
4152            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4153        }
4154    }
4155
4156    /**
4157     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4158     * Intent URL, allowing it to be either a web page or a particular
4159     * application activity.
4160     *
4161     * @hide
4162     */
4163    public static final class Bookmarks implements BaseColumns
4164    {
4165        private static final String TAG = "Bookmarks";
4166
4167        /**
4168         * The content:// style URL for this table
4169         */
4170        public static final Uri CONTENT_URI =
4171            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4172
4173        /**
4174         * The row ID.
4175         * <p>Type: INTEGER</p>
4176         */
4177        public static final String ID = "_id";
4178
4179        /**
4180         * Descriptive name of the bookmark that can be displayed to the user.
4181         * If this is empty, the title should be resolved at display time (use
4182         * {@link #getTitle(Context, Cursor)} any time you want to display the
4183         * title of a bookmark.)
4184         * <P>
4185         * Type: TEXT
4186         * </P>
4187         */
4188        public static final String TITLE = "title";
4189
4190        /**
4191         * Arbitrary string (displayed to the user) that allows bookmarks to be
4192         * organized into categories.  There are some special names for
4193         * standard folders, which all start with '@'.  The label displayed for
4194         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4195         * the folder name does not change so you can consistently query for
4196         * the folder regardless of the current locale.
4197         *
4198         * <P>Type: TEXT</P>
4199         *
4200         */
4201        public static final String FOLDER = "folder";
4202
4203        /**
4204         * The Intent URL of the bookmark, describing what it points to.  This
4205         * value is given to {@link android.content.Intent#getIntent} to create
4206         * an Intent that can be launched.
4207         * <P>Type: TEXT</P>
4208         */
4209        public static final String INTENT = "intent";
4210
4211        /**
4212         * Optional shortcut character associated with this bookmark.
4213         * <P>Type: INTEGER</P>
4214         */
4215        public static final String SHORTCUT = "shortcut";
4216
4217        /**
4218         * The order in which the bookmark should be displayed
4219         * <P>Type: INTEGER</P>
4220         */
4221        public static final String ORDERING = "ordering";
4222
4223        private static final String[] sIntentProjection = { INTENT };
4224        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4225        private static final String sShortcutSelection = SHORTCUT + "=?";
4226
4227        /**
4228         * Convenience function to retrieve the bookmarked Intent for a
4229         * particular shortcut key.
4230         *
4231         * @param cr The ContentResolver to query.
4232         * @param shortcut The shortcut key.
4233         *
4234         * @return Intent The bookmarked URL, or null if there is no bookmark
4235         *         matching the given shortcut.
4236         */
4237        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4238        {
4239            Intent intent = null;
4240
4241            Cursor c = cr.query(CONTENT_URI,
4242                    sIntentProjection, sShortcutSelection,
4243                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4244            // Keep trying until we find a valid shortcut
4245            try {
4246                while (intent == null && c.moveToNext()) {
4247                    try {
4248                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4249                        intent = Intent.parseUri(intentURI, 0);
4250                    } catch (java.net.URISyntaxException e) {
4251                        // The stored URL is bad...  ignore it.
4252                    } catch (IllegalArgumentException e) {
4253                        // Column not found
4254                        Log.w(TAG, "Intent column not found", e);
4255                    }
4256                }
4257            } finally {
4258                if (c != null) c.close();
4259            }
4260
4261            return intent;
4262        }
4263
4264        /**
4265         * Add a new bookmark to the system.
4266         *
4267         * @param cr The ContentResolver to query.
4268         * @param intent The desired target of the bookmark.
4269         * @param title Bookmark title that is shown to the user; null if none
4270         *            or it should be resolved to the intent's title.
4271         * @param folder Folder in which to place the bookmark; null if none.
4272         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4273         *            this is non-zero and there is an existing bookmark entry
4274         *            with this same shortcut, then that existing shortcut is
4275         *            cleared (the bookmark is not removed).
4276         * @return The unique content URL for the new bookmark entry.
4277         */
4278        public static Uri add(ContentResolver cr,
4279                                           Intent intent,
4280                                           String title,
4281                                           String folder,
4282                                           char shortcut,
4283                                           int ordering)
4284        {
4285            // If a shortcut is supplied, and it is already defined for
4286            // another bookmark, then remove the old definition.
4287            if (shortcut != 0) {
4288                cr.delete(CONTENT_URI, sShortcutSelection,
4289                        new String[] { String.valueOf((int) shortcut) });
4290            }
4291
4292            ContentValues values = new ContentValues();
4293            if (title != null) values.put(TITLE, title);
4294            if (folder != null) values.put(FOLDER, folder);
4295            values.put(INTENT, intent.toUri(0));
4296            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4297            values.put(ORDERING, ordering);
4298            return cr.insert(CONTENT_URI, values);
4299        }
4300
4301        /**
4302         * Return the folder name as it should be displayed to the user.  This
4303         * takes care of localizing special folders.
4304         *
4305         * @param r Resources object for current locale; only need access to
4306         *          system resources.
4307         * @param folder The value found in the {@link #FOLDER} column.
4308         *
4309         * @return CharSequence The label for this folder that should be shown
4310         *         to the user.
4311         */
4312        public static CharSequence getLabelForFolder(Resources r, String folder) {
4313            return folder;
4314        }
4315
4316        /**
4317         * Return the title as it should be displayed to the user. This takes
4318         * care of localizing bookmarks that point to activities.
4319         *
4320         * @param context A context.
4321         * @param cursor A cursor pointing to the row whose title should be
4322         *        returned. The cursor must contain at least the {@link #TITLE}
4323         *        and {@link #INTENT} columns.
4324         * @return A title that is localized and can be displayed to the user,
4325         *         or the empty string if one could not be found.
4326         */
4327        public static CharSequence getTitle(Context context, Cursor cursor) {
4328            int titleColumn = cursor.getColumnIndex(TITLE);
4329            int intentColumn = cursor.getColumnIndex(INTENT);
4330            if (titleColumn == -1 || intentColumn == -1) {
4331                throw new IllegalArgumentException(
4332                        "The cursor must contain the TITLE and INTENT columns.");
4333            }
4334
4335            String title = cursor.getString(titleColumn);
4336            if (!TextUtils.isEmpty(title)) {
4337                return title;
4338            }
4339
4340            String intentUri = cursor.getString(intentColumn);
4341            if (TextUtils.isEmpty(intentUri)) {
4342                return "";
4343            }
4344
4345            Intent intent;
4346            try {
4347                intent = Intent.parseUri(intentUri, 0);
4348            } catch (URISyntaxException e) {
4349                return "";
4350            }
4351
4352            PackageManager packageManager = context.getPackageManager();
4353            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4354            return info != null ? info.loadLabel(packageManager) : "";
4355        }
4356    }
4357
4358    /**
4359     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4360     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4361     * from the GoogleLoginService.
4362     *
4363     * @param androidId The Android ID for this device.
4364     * @return The device ID that should be used when connecting to the mobile gtalk server.
4365     * @hide
4366     */
4367    public static String getGTalkDeviceId(long androidId) {
4368        return "android-" + Long.toHexString(androidId);
4369    }
4370}
4371