Settings.java revision 895f99e9ca3500ad69e9ae8d1a8f28237075c7c7
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 settings.
573     * <p>
574     * This shows UI that allows NFC to be turned on or off.
575     * <p>
576     * In some cases, a matching Activity may not exist, so ensure you
577     * safeguard against this.
578     * <p>
579     * Input: Nothing.
580     * <p>
581     * Output: Nothing
582     * @see android.nfc.NfcAdapter#isEnabled()
583     */
584    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
585    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
586
587    /**
588     * Activity Action: Show NFC Sharing settings.
589     * <p>
590     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
591     * off.
592     * <p>
593     * In some cases, a matching Activity may not exist, so ensure you
594     * safeguard against this.
595     * <p>
596     * Input: Nothing.
597     * <p>
598     * Output: Nothing
599     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
600     */
601    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
602    public static final String ACTION_NFCSHARING_SETTINGS =
603        "android.settings.NFCSHARING_SETTINGS";
604
605    // End of Intent actions for Settings
606
607    /**
608     * @hide - Private call() method on SettingsProvider to read from 'system' table.
609     */
610    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
611
612    /**
613     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
614     */
615    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
616
617    /**
618     * Activity Extra: Limit available options in launched activity based on the given authority.
619     * <p>
620     * This can be passed as an extra field in an Activity Intent with one or more syncable content
621     * provider's authorities as a String[]. This field is used by some intents to alter the
622     * behavior of the called activity.
623     * <p>
624     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
625     * on the authority given.
626     */
627    public static final String EXTRA_AUTHORITIES =
628            "authorities";
629
630    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
631
632    private static final String JID_RESOURCE_PREFIX = "android";
633
634    public static final String AUTHORITY = "settings";
635
636    private static final String TAG = "Settings";
637    private static final boolean LOCAL_LOGV = false || false;
638
639    public static class SettingNotFoundException extends AndroidException {
640        public SettingNotFoundException(String msg) {
641            super(msg);
642        }
643    }
644
645    /**
646     * Common base for tables of name/value settings.
647     */
648    public static class NameValueTable implements BaseColumns {
649        public static final String NAME = "name";
650        public static final String VALUE = "value";
651
652        protected static boolean putString(ContentResolver resolver, Uri uri,
653                String name, String value) {
654            // The database will take care of replacing duplicates.
655            try {
656                ContentValues values = new ContentValues();
657                values.put(NAME, name);
658                values.put(VALUE, value);
659                resolver.insert(uri, values);
660                return true;
661            } catch (SQLException e) {
662                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
663                return false;
664            }
665        }
666
667        public static Uri getUriFor(Uri uri, String name) {
668            return Uri.withAppendedPath(uri, name);
669        }
670    }
671
672    // Thread-safe.
673    private static class NameValueCache {
674        private final String mVersionSystemProperty;
675        private final Uri mUri;
676
677        private static final String[] SELECT_VALUE =
678            new String[] { Settings.NameValueTable.VALUE };
679        private static final String NAME_EQ_PLACEHOLDER = "name=?";
680
681        // Must synchronize on 'this' to access mValues and mValuesVersion.
682        private final HashMap<String, String> mValues = new HashMap<String, String>();
683        private long mValuesVersion = 0;
684
685        // Initially null; set lazily and held forever.  Synchronized on 'this'.
686        private IContentProvider mContentProvider = null;
687
688        // The method we'll call (or null, to not use) on the provider
689        // for the fast path of retrieving settings.
690        private final String mCallCommand;
691
692        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
693            mVersionSystemProperty = versionSystemProperty;
694            mUri = uri;
695            mCallCommand = callCommand;
696        }
697
698        public String getString(ContentResolver cr, String name) {
699            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
700
701            synchronized (this) {
702                if (mValuesVersion != newValuesVersion) {
703                    if (LOCAL_LOGV) {
704                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
705                                newValuesVersion + " != cached " + mValuesVersion);
706                    }
707
708                    mValues.clear();
709                    mValuesVersion = newValuesVersion;
710                }
711
712                if (mValues.containsKey(name)) {
713                    return mValues.get(name);  // Could be null, that's OK -- negative caching
714                }
715            }
716
717            IContentProvider cp = null;
718            synchronized (this) {
719                cp = mContentProvider;
720                if (cp == null) {
721                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
722                }
723            }
724
725            // Try the fast path first, not using query().  If this
726            // fails (alternate Settings provider that doesn't support
727            // this interface?) then we fall back to the query/table
728            // interface.
729            if (mCallCommand != null) {
730                try {
731                    Bundle b = cp.call(mCallCommand, name, null);
732                    if (b != null) {
733                        String value = b.getPairValue();
734                        synchronized (this) {
735                            mValues.put(name, value);
736                        }
737                        return value;
738                    }
739                    // If the response Bundle is null, we fall through
740                    // to the query interface below.
741                } catch (RemoteException e) {
742                    // Not supported by the remote side?  Fall through
743                    // to query().
744                }
745            }
746
747            Cursor c = null;
748            try {
749                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
750                             new String[]{name}, null, null);
751                if (c == null) {
752                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
753                    return null;
754                }
755
756                String value = c.moveToNext() ? c.getString(0) : null;
757                synchronized (this) {
758                    mValues.put(name, value);
759                }
760                if (LOCAL_LOGV) {
761                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
762                            name + " = " + (value == null ? "(null)" : value));
763                }
764                return value;
765            } catch (RemoteException e) {
766                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
767                return null;  // Return null, but don't cache it.
768            } finally {
769                if (c != null) c.close();
770            }
771        }
772    }
773
774    /**
775     * System settings, containing miscellaneous system preferences.  This
776     * table holds simple name/value pairs.  There are convenience
777     * functions for accessing individual settings entries.
778     */
779    public static final class System extends NameValueTable {
780        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
781
782        // Populated lazily, guarded by class object:
783        private static NameValueCache sNameValueCache = null;
784
785        private static final HashSet<String> MOVED_TO_SECURE;
786        static {
787            MOVED_TO_SECURE = new HashSet<String>(30);
788            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
789            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
790            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
791            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
792            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
793            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
794            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
795            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
796            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
797            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
798            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
799            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
800            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
801            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
802            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
803            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
804            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
805            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
806            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
807            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
808            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
809            MOVED_TO_SECURE.add(Secure.WIFI_ON);
810            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
811            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
812            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
813            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
814            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
815            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
816            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
817            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
818            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
819            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
820            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
821        }
822
823        /**
824         * Look up a name in the database.
825         * @param resolver to access the database with
826         * @param name to look up in the table
827         * @return the corresponding value, or null if not present
828         */
829        public synchronized static String getString(ContentResolver resolver, String name) {
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, returning read-only value.");
833                return Secure.getString(resolver, name);
834            }
835            if (sNameValueCache == null) {
836                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
837                                                     CALL_METHOD_GET_SYSTEM);
838            }
839            return sNameValueCache.getString(resolver, name);
840        }
841
842        /**
843         * Store a name/value pair into the database.
844         * @param resolver to access the database with
845         * @param name to store
846         * @param value to associate with the name
847         * @return true if the value was set, false on database errors
848         */
849        public static boolean putString(ContentResolver resolver, String name, String value) {
850            if (MOVED_TO_SECURE.contains(name)) {
851                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
852                        + " to android.provider.Settings.Secure, value is unchanged.");
853                return false;
854            }
855            return putString(resolver, CONTENT_URI, name, value);
856        }
857
858        /**
859         * Construct the content URI for a particular name/value pair,
860         * useful for monitoring changes with a ContentObserver.
861         * @param name to look up in the table
862         * @return the corresponding content URI, or null if not present
863         */
864        public static Uri getUriFor(String name) {
865            if (MOVED_TO_SECURE.contains(name)) {
866                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
867                    + " to android.provider.Settings.Secure, returning Secure URI.");
868                return Secure.getUriFor(Secure.CONTENT_URI, name);
869            }
870            return getUriFor(CONTENT_URI, name);
871        }
872
873        /**
874         * Convenience function for retrieving a single system settings value
875         * as an integer.  Note that internally setting values are always
876         * stored as strings; this function converts the string to an integer
877         * for you.  The default value will be returned if the setting is
878         * not defined or not an integer.
879         *
880         * @param cr The ContentResolver to access.
881         * @param name The name of the setting to retrieve.
882         * @param def Value to return if the setting is not defined.
883         *
884         * @return The setting's current value, or 'def' if it is not defined
885         * or not a valid integer.
886         */
887        public static int getInt(ContentResolver cr, String name, int def) {
888            String v = getString(cr, name);
889            try {
890                return v != null ? Integer.parseInt(v) : def;
891            } catch (NumberFormatException e) {
892                return def;
893            }
894        }
895
896        /**
897         * Convenience function for retrieving a single system settings value
898         * as an integer.  Note that internally setting values are always
899         * stored as strings; this function converts the string to an integer
900         * for you.
901         * <p>
902         * This version does not take a default value.  If the setting has not
903         * been set, or the string value is not a number,
904         * it throws {@link SettingNotFoundException}.
905         *
906         * @param cr The ContentResolver to access.
907         * @param name The name of the setting to retrieve.
908         *
909         * @throws SettingNotFoundException Thrown if a setting by the given
910         * name can't be found or the setting value is not an integer.
911         *
912         * @return The setting's current value.
913         */
914        public static int getInt(ContentResolver cr, String name)
915                throws SettingNotFoundException {
916            String v = getString(cr, name);
917            try {
918                return Integer.parseInt(v);
919            } catch (NumberFormatException e) {
920                throw new SettingNotFoundException(name);
921            }
922        }
923
924        /**
925         * Convenience function for updating a single settings value as an
926         * integer. This will either create a new entry in the table if the
927         * given name does not exist, or modify the value of the existing row
928         * with that name.  Note that internally setting values are always
929         * stored as strings, so this function converts the given value to a
930         * string before storing it.
931         *
932         * @param cr The ContentResolver to access.
933         * @param name The name of the setting to modify.
934         * @param value The new value for the setting.
935         * @return true if the value was set, false on database errors
936         */
937        public static boolean putInt(ContentResolver cr, String name, int value) {
938            return putString(cr, name, Integer.toString(value));
939        }
940
941        /**
942         * Convenience function for retrieving a single system settings value
943         * as a {@code long}.  Note that internally setting values are always
944         * stored as strings; this function converts the string to a {@code long}
945         * for you.  The default value will be returned if the setting is
946         * not defined or not a {@code long}.
947         *
948         * @param cr The ContentResolver to access.
949         * @param name The name of the setting to retrieve.
950         * @param def Value to return if the setting is not defined.
951         *
952         * @return The setting's current value, or 'def' if it is not defined
953         * or not a valid {@code long}.
954         */
955        public static long getLong(ContentResolver cr, String name, long def) {
956            String valString = getString(cr, name);
957            long value;
958            try {
959                value = valString != null ? Long.parseLong(valString) : def;
960            } catch (NumberFormatException e) {
961                value = def;
962            }
963            return value;
964        }
965
966        /**
967         * Convenience function for retrieving a single system settings value
968         * as a {@code long}.  Note that internally setting values are always
969         * stored as strings; this function converts the string to a {@code long}
970         * for you.
971         * <p>
972         * This version does not take a default value.  If the setting has not
973         * been set, or the string value is not a number,
974         * it throws {@link SettingNotFoundException}.
975         *
976         * @param cr The ContentResolver to access.
977         * @param name The name of the setting to retrieve.
978         *
979         * @return The setting's current value.
980         * @throws SettingNotFoundException Thrown if a setting by the given
981         * name can't be found or the setting value is not an integer.
982         */
983        public static long getLong(ContentResolver cr, String name)
984                throws SettingNotFoundException {
985            String valString = getString(cr, name);
986            try {
987                return Long.parseLong(valString);
988            } catch (NumberFormatException e) {
989                throw new SettingNotFoundException(name);
990            }
991        }
992
993        /**
994         * Convenience function for updating a single settings value as a long
995         * integer. This will either create a new entry in the table if the
996         * given name does not exist, or modify the value of the existing row
997         * with that name.  Note that internally setting values are always
998         * stored as strings, so this function converts the given value to a
999         * string before storing it.
1000         *
1001         * @param cr The ContentResolver to access.
1002         * @param name The name of the setting to modify.
1003         * @param value The new value for the setting.
1004         * @return true if the value was set, false on database errors
1005         */
1006        public static boolean putLong(ContentResolver cr, String name, long value) {
1007            return putString(cr, name, Long.toString(value));
1008        }
1009
1010        /**
1011         * Convenience function for retrieving a single system settings value
1012         * as a floating point number.  Note that internally setting values are
1013         * always stored as strings; this function converts the string to an
1014         * float for you. The default value will be returned if the setting
1015         * is not defined or not a valid float.
1016         *
1017         * @param cr The ContentResolver to access.
1018         * @param name The name of the setting to retrieve.
1019         * @param def Value to return if the setting is not defined.
1020         *
1021         * @return The setting's current value, or 'def' if it is not defined
1022         * or not a valid float.
1023         */
1024        public static float getFloat(ContentResolver cr, String name, float def) {
1025            String v = getString(cr, name);
1026            try {
1027                return v != null ? Float.parseFloat(v) : def;
1028            } catch (NumberFormatException e) {
1029                return def;
1030            }
1031        }
1032
1033        /**
1034         * Convenience function for retrieving a single system settings value
1035         * as a float.  Note that internally setting values are always
1036         * stored as strings; this function converts the string to a float
1037         * for you.
1038         * <p>
1039         * This version does not take a default value.  If the setting has not
1040         * been set, or the string value is not a number,
1041         * it throws {@link SettingNotFoundException}.
1042         *
1043         * @param cr The ContentResolver to access.
1044         * @param name The name of the setting to retrieve.
1045         *
1046         * @throws SettingNotFoundException Thrown if a setting by the given
1047         * name can't be found or the setting value is not a float.
1048         *
1049         * @return The setting's current value.
1050         */
1051        public static float getFloat(ContentResolver cr, String name)
1052                throws SettingNotFoundException {
1053            String v = getString(cr, name);
1054            if (v == null) {
1055                throw new SettingNotFoundException(name);
1056            }
1057            try {
1058                return Float.parseFloat(v);
1059            } catch (NumberFormatException e) {
1060                throw new SettingNotFoundException(name);
1061            }
1062        }
1063
1064        /**
1065         * Convenience function for updating a single settings value as a
1066         * floating point number. This will either create a new entry in the
1067         * table if the given name does not exist, or modify the value of the
1068         * existing row with that name.  Note that internally setting values
1069         * are always stored as strings, so this function converts the given
1070         * value to a string before storing it.
1071         *
1072         * @param cr The ContentResolver to access.
1073         * @param name The name of the setting to modify.
1074         * @param value The new value for the setting.
1075         * @return true if the value was set, false on database errors
1076         */
1077        public static boolean putFloat(ContentResolver cr, String name, float value) {
1078            return putString(cr, name, Float.toString(value));
1079        }
1080
1081        /**
1082         * Convenience function to read all of the current
1083         * configuration-related settings into a
1084         * {@link Configuration} object.
1085         *
1086         * @param cr The ContentResolver to access.
1087         * @param outConfig Where to place the configuration settings.
1088         */
1089        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1090            outConfig.fontScale = Settings.System.getFloat(
1091                cr, FONT_SCALE, outConfig.fontScale);
1092            if (outConfig.fontScale < 0) {
1093                outConfig.fontScale = 1;
1094            }
1095        }
1096
1097        /**
1098         * @hide Erase the fields in the Configuration that should be applied
1099         * by the settings.
1100         */
1101        public static void clearConfiguration(Configuration inoutConfig) {
1102            inoutConfig.fontScale = 0;
1103        }
1104
1105        /**
1106         * Convenience function to write a batch of configuration-related
1107         * settings from a {@link Configuration} object.
1108         *
1109         * @param cr The ContentResolver to access.
1110         * @param config The settings to write.
1111         * @return true if the values were set, false on database errors
1112         */
1113        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1114            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1115        }
1116
1117        /** @hide */
1118        public static boolean hasInterestingConfigurationChanges(int changes) {
1119            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1120        }
1121
1122        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1123            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1124        }
1125
1126        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1127            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1128        }
1129
1130        /**
1131         * The content:// style URL for this table
1132         */
1133        public static final Uri CONTENT_URI =
1134            Uri.parse("content://" + AUTHORITY + "/system");
1135
1136        /**
1137         * Whether we keep the device on while the device is plugged in.
1138         * Supported values are:
1139         * <ul>
1140         * <li>{@code 0} to never stay on while plugged in</li>
1141         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1142         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1143         * </ul>
1144         * These values can be OR-ed together.
1145         */
1146        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1147
1148        /**
1149         * What happens when the user presses the end call button if they're not
1150         * on a call.<br/>
1151         * <b>Values:</b><br/>
1152         * 0 - The end button does nothing.<br/>
1153         * 1 - The end button goes to the home screen.<br/>
1154         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1155         * 3 - The end button goes to the home screen.  If the user is already on the
1156         * home screen, it puts the device to sleep.
1157         */
1158        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1159
1160        /**
1161         * END_BUTTON_BEHAVIOR value for "go home".
1162         * @hide
1163         */
1164        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1165
1166        /**
1167         * END_BUTTON_BEHAVIOR value for "go to sleep".
1168         * @hide
1169         */
1170        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1171
1172        /**
1173         * END_BUTTON_BEHAVIOR default value.
1174         * @hide
1175         */
1176        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1177
1178        /**
1179         * Is advanced settings mode turned on. 0 == no, 1 == yes
1180         * @hide
1181         */
1182        public static final String ADVANCED_SETTINGS = "advanced_settings";
1183
1184        /**
1185         * ADVANCED_SETTINGS default value.
1186         * @hide
1187         */
1188        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1189
1190        /**
1191         * Whether Airplane Mode is on.
1192         */
1193        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1194
1195        /**
1196         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1197         */
1198        public static final String RADIO_BLUETOOTH = "bluetooth";
1199
1200        /**
1201         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1202         */
1203        public static final String RADIO_WIFI = "wifi";
1204
1205        /**
1206         * {@hide}
1207         */
1208        public static final String RADIO_WIMAX = "wimax";
1209        /**
1210         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1211         */
1212        public static final String RADIO_CELL = "cell";
1213
1214        /**
1215         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
1216         */
1217        public static final String RADIO_NFC = "nfc";
1218
1219        /**
1220         * A comma separated list of radios that need to be disabled when airplane mode
1221         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1222         * included in the comma separated list.
1223         */
1224        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1225
1226        /**
1227         * A comma separated list of radios that should to be disabled when airplane mode
1228         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1229         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1230         * will be turned off when entering airplane mode, but the user will be able to reenable
1231         * Wifi in the Settings app.
1232         *
1233         * {@hide}
1234         */
1235        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1236
1237        /**
1238         * The policy for deciding when Wi-Fi should go to sleep (which will in
1239         * turn switch to using the mobile data as an Internet connection).
1240         * <p>
1241         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1242         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1243         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1244         */
1245        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1246
1247        /**
1248         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1249         * policy, which is to sleep shortly after the turning off
1250         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1251         */
1252        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1253
1254        /**
1255         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1256         * the device is on battery, and never go to sleep when the device is
1257         * plugged in.
1258         */
1259        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1260
1261        /**
1262         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1263         */
1264        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1265
1266        //TODO: deprecate static IP constants
1267        /**
1268         * Whether to use static IP and other static network attributes.
1269         * <p>
1270         * Set to 1 for true and 0 for false.
1271         */
1272        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1273
1274        /**
1275         * The static IP address.
1276         * <p>
1277         * Example: "192.168.1.51"
1278         */
1279        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1280
1281        /**
1282         * If using static IP, the gateway's IP address.
1283         * <p>
1284         * Example: "192.168.1.1"
1285         */
1286        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1287
1288        /**
1289         * If using static IP, the net mask.
1290         * <p>
1291         * Example: "255.255.255.0"
1292         */
1293        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1294
1295        /**
1296         * If using static IP, the primary DNS's IP address.
1297         * <p>
1298         * Example: "192.168.1.1"
1299         */
1300        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1301
1302        /**
1303         * If using static IP, the secondary DNS's IP address.
1304         * <p>
1305         * Example: "192.168.1.2"
1306         */
1307        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1308
1309
1310        /**
1311         * Determines whether remote devices may discover and/or connect to
1312         * this device.
1313         * <P>Type: INT</P>
1314         * 2 -- discoverable and connectable
1315         * 1 -- connectable but not discoverable
1316         * 0 -- neither connectable nor discoverable
1317         */
1318        public static final String BLUETOOTH_DISCOVERABILITY =
1319            "bluetooth_discoverability";
1320
1321        /**
1322         * Bluetooth discoverability timeout.  If this value is nonzero, then
1323         * Bluetooth becomes discoverable for a certain number of seconds,
1324         * after which is becomes simply connectable.  The value is in seconds.
1325         */
1326        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1327            "bluetooth_discoverability_timeout";
1328
1329        /**
1330         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1331         * instead
1332         */
1333        @Deprecated
1334        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1335
1336        /**
1337         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1338         * instead
1339         */
1340        @Deprecated
1341        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1342
1343        /**
1344         * @deprecated Use
1345         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1346         * instead
1347         */
1348        @Deprecated
1349        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1350            "lock_pattern_tactile_feedback_enabled";
1351
1352
1353        /**
1354         * A formatted string of the next alarm that is set, or the empty string
1355         * if there is no alarm set.
1356         */
1357        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1358
1359        /**
1360         * Scaling factor for fonts, float.
1361         */
1362        public static final String FONT_SCALE = "font_scale";
1363
1364        /**
1365         * Name of an application package to be debugged.
1366         */
1367        public static final String DEBUG_APP = "debug_app";
1368
1369        /**
1370         * If 1, when launching DEBUG_APP it will wait for the debugger before
1371         * starting user code.  If 0, it will run normally.
1372         */
1373        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1374
1375        /**
1376         * Whether or not to dim the screen. 0=no  1=yes
1377         */
1378        public static final String DIM_SCREEN = "dim_screen";
1379
1380        /**
1381         * The timeout before the screen turns off.
1382         */
1383        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1384
1385        /**
1386         * If 0, the compatibility mode is off for all applications.
1387         * If 1, older applications run under compatibility mode.
1388         * TODO: remove this settings before code freeze (bug/1907571)
1389         * @hide
1390         */
1391        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1392
1393        /**
1394         * The screen backlight brightness between 0 and 255.
1395         */
1396        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1397
1398        /**
1399         * Control whether to enable automatic brightness mode.
1400         */
1401        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1402
1403        /**
1404         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
1405         * or less (<0.0 >-1.0) bright.
1406         */
1407        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
1408
1409        /**
1410         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1411         */
1412        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1413
1414        /**
1415         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1416         */
1417        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1418
1419        /**
1420         * Control whether the process CPU usage meter should be shown.
1421         */
1422        public static final String SHOW_PROCESSES = "show_processes";
1423
1424        /**
1425         * If 1, the activity manager will aggressively finish activities and
1426         * processes as soon as they are no longer needed.  If 0, the normal
1427         * extended lifetime is used.
1428         */
1429        public static final String ALWAYS_FINISH_ACTIVITIES =
1430                "always_finish_activities";
1431
1432
1433        /**
1434         * Ringer mode. This is used internally, changing this value will not
1435         * change the ringer mode. See AudioManager.
1436         */
1437        public static final String MODE_RINGER = "mode_ringer";
1438
1439        /**
1440         * Determines which streams are affected by ringer mode changes. The
1441         * stream type's bit should be set to 1 if it should be muted when going
1442         * into an inaudible ringer mode.
1443         */
1444        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1445
1446         /**
1447          * Determines which streams are affected by mute. The
1448          * stream type's bit should be set to 1 if it should be muted when a mute request
1449          * is received.
1450          */
1451         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1452
1453        /**
1454         * Whether vibrate is on for different events. This is used internally,
1455         * changing this value will not change the vibrate. See AudioManager.
1456         */
1457        public static final String VIBRATE_ON = "vibrate_on";
1458
1459        /**
1460         * Ringer volume. This is used internally, changing this value will not
1461         * change the volume. See AudioManager.
1462         */
1463        public static final String VOLUME_RING = "volume_ring";
1464
1465        /**
1466         * System/notifications volume. This is used internally, changing this
1467         * value will not change the volume. See AudioManager.
1468         */
1469        public static final String VOLUME_SYSTEM = "volume_system";
1470
1471        /**
1472         * Voice call volume. This is used internally, changing this value will
1473         * not change the volume. See AudioManager.
1474         */
1475        public static final String VOLUME_VOICE = "volume_voice";
1476
1477        /**
1478         * Music/media/gaming volume. This is used internally, changing this
1479         * value will not change the volume. See AudioManager.
1480         */
1481        public static final String VOLUME_MUSIC = "volume_music";
1482
1483        /**
1484         * Alarm volume. This is used internally, changing this
1485         * value will not change the volume. See AudioManager.
1486         */
1487        public static final String VOLUME_ALARM = "volume_alarm";
1488
1489        /**
1490         * Notification volume. This is used internally, changing this
1491         * value will not change the volume. See AudioManager.
1492         */
1493        public static final String VOLUME_NOTIFICATION = "volume_notification";
1494
1495        /**
1496         * Bluetooth Headset volume. This is used internally, changing this value will
1497         * not change the volume. See AudioManager.
1498         */
1499        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1500
1501        /**
1502         * Whether the notifications should use the ring volume (value of 1) or a separate
1503         * notification volume (value of 0). In most cases, users will have this enabled so the
1504         * notification and ringer volumes will be the same. However, power users can disable this
1505         * and use the separate notification volume control.
1506         * <p>
1507         * Note: This is a one-off setting that will be removed in the future when there is profile
1508         * support. For this reason, it is kept hidden from the public APIs.
1509         *
1510         * @hide
1511         * @deprecated
1512         */
1513        @Deprecated
1514        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1515            "notifications_use_ring_volume";
1516
1517        /**
1518         * Whether silent mode should allow vibration feedback. This is used
1519         * internally in AudioService and the Sound settings activity to
1520         * coordinate decoupling of vibrate and silent modes. This setting
1521         * will likely be removed in a future release with support for
1522         * audio/vibe feedback profiles.
1523         *
1524         * @hide
1525         */
1526        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1527
1528        /**
1529         * The mapping of stream type (integer) to its setting.
1530         */
1531        public static final String[] VOLUME_SETTINGS = {
1532            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1533            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1534        };
1535
1536        /**
1537         * Appended to various volume related settings to record the previous
1538         * values before they the settings were affected by a silent/vibrate
1539         * ringer mode change.
1540         */
1541        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1542
1543        /**
1544         * Persistent store for the system-wide default ringtone URI.
1545         * <p>
1546         * If you need to play the default ringtone at any given time, it is recommended
1547         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1548         * to the set default ringtone at the time of playing.
1549         *
1550         * @see #DEFAULT_RINGTONE_URI
1551         */
1552        public static final String RINGTONE = "ringtone";
1553
1554        /**
1555         * A {@link Uri} that will point to the current default ringtone at any
1556         * given time.
1557         * <p>
1558         * If the current default ringtone is in the DRM provider and the caller
1559         * does not have permission, the exception will be a
1560         * FileNotFoundException.
1561         */
1562        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1563
1564        /**
1565         * Persistent store for the system-wide default notification sound.
1566         *
1567         * @see #RINGTONE
1568         * @see #DEFAULT_NOTIFICATION_URI
1569         */
1570        public static final String NOTIFICATION_SOUND = "notification_sound";
1571
1572        /**
1573         * A {@link Uri} that will point to the current default notification
1574         * sound at any given time.
1575         *
1576         * @see #DEFAULT_RINGTONE_URI
1577         */
1578        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1579
1580        /**
1581         * Persistent store for the system-wide default alarm alert.
1582         *
1583         * @see #RINGTONE
1584         * @see #DEFAULT_ALARM_ALERT_URI
1585         */
1586        public static final String ALARM_ALERT = "alarm_alert";
1587
1588        /**
1589         * A {@link Uri} that will point to the current default alarm alert at
1590         * any given time.
1591         *
1592         * @see #DEFAULT_ALARM_ALERT_URI
1593         */
1594        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1595
1596        /**
1597         * Persistent store for the system default media button event receiver.
1598         *
1599         * @hide
1600         */
1601        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1602
1603        /**
1604         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1605         */
1606        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1607
1608        /**
1609         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1610         */
1611        public static final String TEXT_AUTO_CAPS = "auto_caps";
1612
1613        /**
1614         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1615         * feature converts two spaces to a "." and space.
1616         */
1617        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1618
1619        /**
1620         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1621         */
1622        public static final String TEXT_SHOW_PASSWORD = "show_password";
1623
1624        public static final String SHOW_GTALK_SERVICE_STATUS =
1625                "SHOW_GTALK_SERVICE_STATUS";
1626
1627        /**
1628         * Name of activity to use for wallpaper on the home screen.
1629         */
1630        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1631
1632        /**
1633         * Value to specify if the user prefers the date, time and time zone
1634         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1635         */
1636        public static final String AUTO_TIME = "auto_time";
1637
1638        /**
1639         * Value to specify if the user prefers the time zone
1640         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1641         */
1642        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1643
1644        /**
1645         * Display times as 12 or 24 hours
1646         *   12
1647         *   24
1648         */
1649        public static final String TIME_12_24 = "time_12_24";
1650
1651        /**
1652         * Date format string
1653         *   mm/dd/yyyy
1654         *   dd/mm/yyyy
1655         *   yyyy/mm/dd
1656         */
1657        public static final String DATE_FORMAT = "date_format";
1658
1659        /**
1660         * Whether the setup wizard has been run before (on first boot), or if
1661         * it still needs to be run.
1662         *
1663         * nonzero = it has been run in the past
1664         * 0 = it has not been run in the past
1665         */
1666        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1667
1668        /**
1669         * Scaling factor for normal window animations. Setting to 0 will disable window
1670         * animations.
1671         */
1672        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1673
1674        /**
1675         * Scaling factor for activity transition animations. Setting to 0 will disable window
1676         * animations.
1677         */
1678        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1679
1680        /**
1681         * Scaling factor for Animator-based animations. This affects both the start delay and
1682         * duration of all such animations. Setting to 0 will cause animations to end immediately.
1683         * The default value is 1.
1684         */
1685        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
1686
1687        /**
1688         * Scaling factor for normal window animations. Setting to 0 will disable window
1689         * animations.
1690         * @hide
1691         */
1692        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1693
1694        /**
1695         * Control whether the accelerometer will be used to change screen
1696         * orientation.  If 0, it will not be used unless explicitly requested
1697         * by the application; if 1, it will be used by default unless explicitly
1698         * disabled by the application.
1699         */
1700        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1701
1702        /**
1703         * Default screen rotation when no other policy applies.
1704         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1705         * preference, this rotation value will be used. Must be one of the
1706         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1707         *
1708         * @see Display#getRotation
1709         */
1710        public static final String USER_ROTATION = "user_rotation";
1711
1712        /**
1713         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1714         * boolean (1 or 0).
1715         */
1716        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1717
1718        /**
1719         * CDMA only settings
1720         * DTMF tone type played by the dialer when dialing.
1721         *                 0 = Normal
1722         *                 1 = Long
1723         * @hide
1724         */
1725        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1726
1727        /**
1728         * CDMA only settings
1729         * Emergency Tone  0 = Off
1730         *                 1 = Alert
1731         *                 2 = Vibrate
1732         * @hide
1733         */
1734        public static final String EMERGENCY_TONE = "emergency_tone";
1735
1736        /**
1737         * CDMA only settings
1738         * Whether the auto retry is enabled. The value is
1739         * boolean (1 or 0).
1740         * @hide
1741         */
1742        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1743
1744        /**
1745         * Whether the hearing aid is enabled. The value is
1746         * boolean (1 or 0).
1747         * @hide
1748         */
1749        public static final String HEARING_AID = "hearing_aid";
1750
1751        /**
1752         * CDMA only settings
1753         * TTY Mode
1754         * 0 = OFF
1755         * 1 = FULL
1756         * 2 = VCO
1757         * 3 = HCO
1758         * @hide
1759         */
1760        public static final String TTY_MODE = "tty_mode";
1761
1762        /**
1763         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1764         * boolean (1 or 0).
1765         */
1766        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1767
1768        /**
1769         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1770         * boolean (1 or 0).
1771         */
1772        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1773
1774        /**
1775         * @deprecated Each application that shows web suggestions should have its own
1776         * setting for this.
1777         */
1778        @Deprecated
1779        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1780
1781        /**
1782         * Whether the notification LED should repeatedly flash when a notification is
1783         * pending. The value is boolean (1 or 0).
1784         * @hide
1785         */
1786        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1787
1788        /**
1789         * Show pointer location on screen?
1790         * 0 = no
1791         * 1 = yes
1792         * @hide
1793         */
1794        public static final String POINTER_LOCATION = "pointer_location";
1795
1796        /**
1797         * Show touch positions on screen?
1798         * 0 = no
1799         * 1 = yes
1800         * @hide
1801         */
1802        public static final String SHOW_TOUCHES = "show_touches";
1803
1804        /**
1805         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1806         * orientationplot.py tool.
1807         * 0 = no
1808         * 1 = yes
1809         * @hide
1810         */
1811        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1812                "window_orientation_listener_log";
1813
1814        /**
1815         * Whether to play a sound for low-battery alerts.
1816         * @hide
1817         */
1818        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1819
1820        /**
1821         * Whether to play a sound for dock events.
1822         * @hide
1823         */
1824        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1825
1826        /**
1827         * Whether to play sounds when the keyguard is shown and dismissed.
1828         * @hide
1829         */
1830        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1831
1832        /**
1833         * URI for the low battery sound file.
1834         * @hide
1835         */
1836        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1837
1838        /**
1839         * URI for the desk dock "in" event sound.
1840         * @hide
1841         */
1842        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1843
1844        /**
1845         * URI for the desk dock "out" event sound.
1846         * @hide
1847         */
1848        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1849
1850        /**
1851         * URI for the car dock "in" event sound.
1852         * @hide
1853         */
1854        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1855
1856        /**
1857         * URI for the car dock "out" event sound.
1858         * @hide
1859         */
1860        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1861
1862        /**
1863         * URI for the "device locked" (keyguard shown) sound.
1864         * @hide
1865         */
1866        public static final String LOCK_SOUND = "lock_sound";
1867
1868        /**
1869         * URI for the "device unlocked" (keyguard dismissed) sound.
1870         * @hide
1871         */
1872        public static final String UNLOCK_SOUND = "unlock_sound";
1873
1874        /**
1875         * Receive incoming SIP calls?
1876         * 0 = no
1877         * 1 = yes
1878         * @hide
1879         */
1880        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1881
1882        /**
1883         * Call Preference String.
1884         * "SIP_ALWAYS" : Always use SIP with network access
1885         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1886         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1887         * @hide
1888         */
1889        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1890
1891        /**
1892         * One of the sip call options: Always use SIP with network access.
1893         * @hide
1894         */
1895        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1896
1897        /**
1898         * One of the sip call options: Only if destination is a SIP address.
1899         * @hide
1900         */
1901        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1902
1903        /**
1904         * One of the sip call options: Always ask me each time.
1905         * @hide
1906         */
1907        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1908
1909        /**
1910         * Pointer speed setting.
1911         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1912         *   -7 = slowest
1913         *    0 = default speed
1914         *   +7 = fastest
1915         * @hide
1916         */
1917        public static final String POINTER_SPEED = "pointer_speed";
1918
1919        /**
1920         * Settings to backup. This is here so that it's in the same place as the settings
1921         * keys and easy to update.
1922         *
1923         * NOTE: Settings are backed up and restored in the order they appear
1924         *       in this array. If you have one setting depending on another,
1925         *       make sure that they are ordered appropriately.
1926         *
1927         * @hide
1928         */
1929        public static final String[] SETTINGS_TO_BACKUP = {
1930            STAY_ON_WHILE_PLUGGED_IN,
1931            WIFI_USE_STATIC_IP,
1932            WIFI_STATIC_IP,
1933            WIFI_STATIC_GATEWAY,
1934            WIFI_STATIC_NETMASK,
1935            WIFI_STATIC_DNS1,
1936            WIFI_STATIC_DNS2,
1937            BLUETOOTH_DISCOVERABILITY,
1938            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1939            DIM_SCREEN,
1940            SCREEN_OFF_TIMEOUT,
1941            SCREEN_BRIGHTNESS,
1942            SCREEN_BRIGHTNESS_MODE,
1943            SCREEN_AUTO_BRIGHTNESS_ADJ,
1944            VIBRATE_ON,
1945            MODE_RINGER,
1946            MODE_RINGER_STREAMS_AFFECTED,
1947            MUTE_STREAMS_AFFECTED,
1948            VOLUME_VOICE,
1949            VOLUME_SYSTEM,
1950            VOLUME_RING,
1951            VOLUME_MUSIC,
1952            VOLUME_ALARM,
1953            VOLUME_NOTIFICATION,
1954            VOLUME_BLUETOOTH_SCO,
1955            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1956            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1957            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1958            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1959            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1960            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1961            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1962            VIBRATE_IN_SILENT,
1963            TEXT_AUTO_REPLACE,
1964            TEXT_AUTO_CAPS,
1965            TEXT_AUTO_PUNCTUATE,
1966            TEXT_SHOW_PASSWORD,
1967            AUTO_TIME,
1968            AUTO_TIME_ZONE,
1969            TIME_12_24,
1970            DATE_FORMAT,
1971            ACCELEROMETER_ROTATION,
1972            USER_ROTATION,
1973            DTMF_TONE_WHEN_DIALING,
1974            DTMF_TONE_TYPE_WHEN_DIALING,
1975            EMERGENCY_TONE,
1976            CALL_AUTO_RETRY,
1977            HEARING_AID,
1978            TTY_MODE,
1979            SOUND_EFFECTS_ENABLED,
1980            HAPTIC_FEEDBACK_ENABLED,
1981            POWER_SOUNDS_ENABLED,
1982            DOCK_SOUNDS_ENABLED,
1983            LOCKSCREEN_SOUNDS_ENABLED,
1984            SHOW_WEB_SUGGESTIONS,
1985            NOTIFICATION_LIGHT_PULSE,
1986            SIP_CALL_OPTIONS,
1987            SIP_RECEIVE_CALLS,
1988            POINTER_SPEED,
1989        };
1990
1991        // Settings moved to Settings.Secure
1992
1993        /**
1994         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1995         * instead
1996         */
1997        @Deprecated
1998        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1999
2000        /**
2001         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
2002         */
2003        @Deprecated
2004        public static final String ANDROID_ID = Secure.ANDROID_ID;
2005
2006        /**
2007         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
2008         */
2009        @Deprecated
2010        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
2011
2012        /**
2013         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
2014         */
2015        @Deprecated
2016        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
2017
2018        /**
2019         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
2020         */
2021        @Deprecated
2022        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
2023
2024        /**
2025         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
2026         */
2027        @Deprecated
2028        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
2029
2030        /**
2031         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
2032         */
2033        @Deprecated
2034        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2035
2036        /**
2037         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2038         * instead
2039         */
2040        @Deprecated
2041        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2042
2043        /**
2044         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2045         */
2046        @Deprecated
2047        public static final String LOGGING_ID = Secure.LOGGING_ID;
2048
2049        /**
2050         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2051         */
2052        @Deprecated
2053        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2054
2055        /**
2056         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2057         * instead
2058         */
2059        @Deprecated
2060        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2061
2062        /**
2063         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2064         * instead
2065         */
2066        @Deprecated
2067        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2068
2069        /**
2070         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2071         * instead
2072         */
2073        @Deprecated
2074        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2075            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2076
2077        /**
2078         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2079         */
2080        @Deprecated
2081        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2082
2083        /**
2084         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2085         */
2086        @Deprecated
2087        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2088
2089        /**
2090         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2091         */
2092        @Deprecated
2093        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2094
2095       /**
2096         * @deprecated Use
2097         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2098         */
2099        @Deprecated
2100        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2101
2102        /**
2103         * @deprecated Use
2104         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2105         */
2106        @Deprecated
2107        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2108                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2109
2110        /**
2111         * @deprecated Use
2112         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2113         */
2114        @Deprecated
2115        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2116            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2117
2118        /**
2119         * @deprecated Use
2120         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2121         */
2122        @Deprecated
2123        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2124            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2125
2126        /**
2127         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2128         * instead
2129         */
2130        @Deprecated
2131        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2132
2133        /**
2134         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2135         */
2136        @Deprecated
2137        public static final String WIFI_ON = Secure.WIFI_ON;
2138
2139        /**
2140         * @deprecated Use
2141         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2142         * instead
2143         */
2144        @Deprecated
2145        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2146                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2147
2148        /**
2149         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2150         */
2151        @Deprecated
2152        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2153
2154        /**
2155         * @deprecated Use
2156         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2157         */
2158        @Deprecated
2159        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2160                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2161
2162        /**
2163         * @deprecated Use
2164         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2165         */
2166        @Deprecated
2167        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2168                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2169
2170        /**
2171         * @deprecated Use
2172         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2173         * instead
2174         */
2175        @Deprecated
2176        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2177                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2178
2179        /**
2180         * @deprecated Use
2181         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2182         */
2183        @Deprecated
2184        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2185            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2186
2187        /**
2188         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2189         * instead
2190         */
2191        @Deprecated
2192        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2193
2194        /**
2195         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2196         */
2197        @Deprecated
2198        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2199
2200        /**
2201         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2202         */
2203        @Deprecated
2204        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2205
2206        /**
2207         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2208         * instead
2209         */
2210        @Deprecated
2211        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2212
2213        /**
2214         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2215         * instead
2216         */
2217        @Deprecated
2218        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2219            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2220    }
2221
2222    /**
2223     * Secure system settings, containing system preferences that applications
2224     * can read but are not allowed to write.  These are for preferences that
2225     * the user must explicitly modify through the system UI or specialized
2226     * APIs for those values, not modified directly by applications.
2227     */
2228    public static final class Secure extends NameValueTable {
2229        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2230
2231        // Populated lazily, guarded by class object:
2232        private static NameValueCache sNameValueCache = null;
2233
2234        /**
2235         * Look up a name in the database.
2236         * @param resolver to access the database with
2237         * @param name to look up in the table
2238         * @return the corresponding value, or null if not present
2239         */
2240        public synchronized static String getString(ContentResolver resolver, String name) {
2241            if (sNameValueCache == null) {
2242                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2243                                                     CALL_METHOD_GET_SECURE);
2244            }
2245            return sNameValueCache.getString(resolver, name);
2246        }
2247
2248        /**
2249         * Store a name/value pair into the database.
2250         * @param resolver to access the database with
2251         * @param name to store
2252         * @param value to associate with the name
2253         * @return true if the value was set, false on database errors
2254         */
2255        public static boolean putString(ContentResolver resolver,
2256                String name, String value) {
2257            return putString(resolver, CONTENT_URI, name, value);
2258        }
2259
2260        /**
2261         * Construct the content URI for a particular name/value pair,
2262         * useful for monitoring changes with a ContentObserver.
2263         * @param name to look up in the table
2264         * @return the corresponding content URI, or null if not present
2265         */
2266        public static Uri getUriFor(String name) {
2267            return getUriFor(CONTENT_URI, name);
2268        }
2269
2270        /**
2271         * Convenience function for retrieving a single secure settings value
2272         * as an integer.  Note that internally setting values are always
2273         * stored as strings; this function converts the string to an integer
2274         * for you.  The default value will be returned if the setting is
2275         * not defined or not an integer.
2276         *
2277         * @param cr The ContentResolver to access.
2278         * @param name The name of the setting to retrieve.
2279         * @param def Value to return if the setting is not defined.
2280         *
2281         * @return The setting's current value, or 'def' if it is not defined
2282         * or not a valid integer.
2283         */
2284        public static int getInt(ContentResolver cr, String name, int def) {
2285            String v = getString(cr, name);
2286            try {
2287                return v != null ? Integer.parseInt(v) : def;
2288            } catch (NumberFormatException e) {
2289                return def;
2290            }
2291        }
2292
2293        /**
2294         * Convenience function for retrieving a single secure settings value
2295         * as an integer.  Note that internally setting values are always
2296         * stored as strings; this function converts the string to an integer
2297         * for you.
2298         * <p>
2299         * This version does not take a default value.  If the setting has not
2300         * been set, or the string value is not a number,
2301         * it throws {@link SettingNotFoundException}.
2302         *
2303         * @param cr The ContentResolver to access.
2304         * @param name The name of the setting to retrieve.
2305         *
2306         * @throws SettingNotFoundException Thrown if a setting by the given
2307         * name can't be found or the setting value is not an integer.
2308         *
2309         * @return The setting's current value.
2310         */
2311        public static int getInt(ContentResolver cr, String name)
2312                throws SettingNotFoundException {
2313            String v = getString(cr, name);
2314            try {
2315                return Integer.parseInt(v);
2316            } catch (NumberFormatException e) {
2317                throw new SettingNotFoundException(name);
2318            }
2319        }
2320
2321        /**
2322         * Convenience function for updating a single settings value as an
2323         * integer. This will either create a new entry in the table if the
2324         * given name does not exist, or modify the value of the existing row
2325         * with that name.  Note that internally setting values are always
2326         * stored as strings, so this function converts the given value to a
2327         * string before storing it.
2328         *
2329         * @param cr The ContentResolver to access.
2330         * @param name The name of the setting to modify.
2331         * @param value The new value for the setting.
2332         * @return true if the value was set, false on database errors
2333         */
2334        public static boolean putInt(ContentResolver cr, String name, int value) {
2335            return putString(cr, name, Integer.toString(value));
2336        }
2337
2338        /**
2339         * Convenience function for retrieving a single secure settings value
2340         * as a {@code long}.  Note that internally setting values are always
2341         * stored as strings; this function converts the string to a {@code long}
2342         * for you.  The default value will be returned if the setting is
2343         * not defined or not a {@code long}.
2344         *
2345         * @param cr The ContentResolver to access.
2346         * @param name The name of the setting to retrieve.
2347         * @param def Value to return if the setting is not defined.
2348         *
2349         * @return The setting's current value, or 'def' if it is not defined
2350         * or not a valid {@code long}.
2351         */
2352        public static long getLong(ContentResolver cr, String name, long def) {
2353            String valString = getString(cr, name);
2354            long value;
2355            try {
2356                value = valString != null ? Long.parseLong(valString) : def;
2357            } catch (NumberFormatException e) {
2358                value = def;
2359            }
2360            return value;
2361        }
2362
2363        /**
2364         * Convenience function for retrieving a single secure settings value
2365         * as a {@code long}.  Note that internally setting values are always
2366         * stored as strings; this function converts the string to a {@code long}
2367         * for you.
2368         * <p>
2369         * This version does not take a default value.  If the setting has not
2370         * been set, or the string value is not a number,
2371         * it throws {@link SettingNotFoundException}.
2372         *
2373         * @param cr The ContentResolver to access.
2374         * @param name The name of the setting to retrieve.
2375         *
2376         * @return The setting's current value.
2377         * @throws SettingNotFoundException Thrown if a setting by the given
2378         * name can't be found or the setting value is not an integer.
2379         */
2380        public static long getLong(ContentResolver cr, String name)
2381                throws SettingNotFoundException {
2382            String valString = getString(cr, name);
2383            try {
2384                return Long.parseLong(valString);
2385            } catch (NumberFormatException e) {
2386                throw new SettingNotFoundException(name);
2387            }
2388        }
2389
2390        /**
2391         * Convenience function for updating a secure settings value as a long
2392         * integer. This will either create a new entry in the table if the
2393         * given name does not exist, or modify the value of the existing row
2394         * with that name.  Note that internally setting values are always
2395         * stored as strings, so this function converts the given value to a
2396         * string before storing it.
2397         *
2398         * @param cr The ContentResolver to access.
2399         * @param name The name of the setting to modify.
2400         * @param value The new value for the setting.
2401         * @return true if the value was set, false on database errors
2402         */
2403        public static boolean putLong(ContentResolver cr, String name, long value) {
2404            return putString(cr, name, Long.toString(value));
2405        }
2406
2407        /**
2408         * Convenience function for retrieving a single secure settings value
2409         * as a floating point number.  Note that internally setting values are
2410         * always stored as strings; this function converts the string to an
2411         * float for you. The default value will be returned if the setting
2412         * is not defined or not a valid float.
2413         *
2414         * @param cr The ContentResolver to access.
2415         * @param name The name of the setting to retrieve.
2416         * @param def Value to return if the setting is not defined.
2417         *
2418         * @return The setting's current value, or 'def' if it is not defined
2419         * or not a valid float.
2420         */
2421        public static float getFloat(ContentResolver cr, String name, float def) {
2422            String v = getString(cr, name);
2423            try {
2424                return v != null ? Float.parseFloat(v) : def;
2425            } catch (NumberFormatException e) {
2426                return def;
2427            }
2428        }
2429
2430        /**
2431         * Convenience function for retrieving a single secure settings value
2432         * as a float.  Note that internally setting values are always
2433         * stored as strings; this function converts the string to a float
2434         * for you.
2435         * <p>
2436         * This version does not take a default value.  If the setting has not
2437         * been set, or the string value is not a number,
2438         * it throws {@link SettingNotFoundException}.
2439         *
2440         * @param cr The ContentResolver to access.
2441         * @param name The name of the setting to retrieve.
2442         *
2443         * @throws SettingNotFoundException Thrown if a setting by the given
2444         * name can't be found or the setting value is not a float.
2445         *
2446         * @return The setting's current value.
2447         */
2448        public static float getFloat(ContentResolver cr, String name)
2449                throws SettingNotFoundException {
2450            String v = getString(cr, name);
2451            if (v == null) {
2452                throw new SettingNotFoundException(name);
2453            }
2454            try {
2455                return Float.parseFloat(v);
2456            } catch (NumberFormatException e) {
2457                throw new SettingNotFoundException(name);
2458            }
2459        }
2460
2461        /**
2462         * Convenience function for updating a single settings value as a
2463         * floating point number. This will either create a new entry in the
2464         * table if the given name does not exist, or modify the value of the
2465         * existing row with that name.  Note that internally setting values
2466         * are always stored as strings, so this function converts the given
2467         * value to a string before storing it.
2468         *
2469         * @param cr The ContentResolver to access.
2470         * @param name The name of the setting to modify.
2471         * @param value The new value for the setting.
2472         * @return true if the value was set, false on database errors
2473         */
2474        public static boolean putFloat(ContentResolver cr, String name, float value) {
2475            return putString(cr, name, Float.toString(value));
2476        }
2477
2478        /**
2479         * The content:// style URL for this table
2480         */
2481        public static final Uri CONTENT_URI =
2482            Uri.parse("content://" + AUTHORITY + "/secure");
2483
2484        /**
2485         * Whether user has enabled development settings.
2486         */
2487        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
2488
2489        /**
2490         * Whether ADB is enabled.
2491         */
2492        public static final String ADB_ENABLED = "adb_enabled";
2493
2494        /**
2495         * Setting to allow mock locations and location provider status to be injected into the
2496         * LocationManager service for testing purposes during application development.  These
2497         * locations and status values  override actual location and status information generated
2498         * by network, gps, or other location providers.
2499         */
2500        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2501
2502        /**
2503         * A 64-bit number (as a hex string) that is randomly
2504         * generated on the device's first boot and should remain
2505         * constant for the lifetime of the device.  (The value may
2506         * change if a factory reset is performed on the device.)
2507         */
2508        public static final String ANDROID_ID = "android_id";
2509
2510        /**
2511         * Whether bluetooth is enabled/disabled
2512         * 0=disabled. 1=enabled.
2513         */
2514        public static final String BLUETOOTH_ON = "bluetooth_on";
2515
2516        /**
2517         * Get the key that retrieves a bluetooth headset's priority.
2518         * @hide
2519         */
2520        public static final String getBluetoothHeadsetPriorityKey(String address) {
2521            return ("bluetooth_headset_priority_" + address.toUpperCase());
2522        }
2523
2524        /**
2525         * Get the key that retrieves a bluetooth a2dp sink's priority.
2526         * @hide
2527         */
2528        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2529            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2530        }
2531
2532        /**
2533         * Get the key that retrieves a bluetooth Input Device's priority.
2534         * @hide
2535         */
2536        public static final String getBluetoothInputDevicePriorityKey(String address) {
2537            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2538        }
2539
2540        /**
2541         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2542         */
2543        public static final String DATA_ROAMING = "data_roaming";
2544
2545        /**
2546         * Setting to record the input method used by default, holding the ID
2547         * of the desired method.
2548         */
2549        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2550
2551        /**
2552         * Setting to record the input method subtype used by default, holding the ID
2553         * of the desired method.
2554         */
2555        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2556                "selected_input_method_subtype";
2557
2558        /**
2559         * Setting to record the history of input method subtype, holding the pair of ID of IME
2560         * and its last used subtype.
2561         * @hide
2562         */
2563        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2564                "input_methods_subtype_history";
2565
2566        /**
2567         * Setting to record the visibility of input method selector
2568         */
2569        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2570                "input_method_selector_visibility";
2571
2572        /**
2573         * Whether the device has been provisioned (0 = false, 1 = true)
2574         */
2575        public static final String DEVICE_PROVISIONED = "device_provisioned";
2576
2577        /**
2578         * List of input methods that are currently enabled.  This is a string
2579         * containing the IDs of all enabled input methods, each ID separated
2580         * by ':'.
2581         */
2582        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2583
2584        /**
2585         * List of system input methods that are currently disabled.  This is a string
2586         * containing the IDs of all disabled input methods, each ID separated
2587         * by ':'.
2588         * @hide
2589         */
2590        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2591
2592        /**
2593         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2594         * TODO - deprecate in favor of global_http_proxy_host, etc
2595         */
2596        public static final String HTTP_PROXY = "http_proxy";
2597
2598        /**
2599         * Host name for global http proxy.  Set via ConnectivityManager.
2600         * @hide
2601         */
2602        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2603
2604        /**
2605         * Integer host port for global http proxy.  Set via ConnectivityManager.
2606         * @hide
2607         */
2608        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2609
2610        /**
2611         * Exclusion list for global proxy. This string contains a list of comma-separated
2612         * domains where the global proxy does not apply. Domains should be listed in a comma-
2613         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2614         * Use ConnectivityManager to set/get.
2615         * @hide
2616         */
2617        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2618                "global_http_proxy_exclusion_list";
2619
2620        /**
2621         * Enables the UI setting to allow the user to specify the global HTTP proxy
2622         * and associated exclusion list.
2623         * @hide
2624         */
2625        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2626
2627        /**
2628         * Setting for default DNS in case nobody suggests one
2629         * @hide
2630         */
2631        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2632
2633        /**
2634         * Whether the package installer should allow installation of apps downloaded from
2635         * sources other than the Android Market (vending machine).
2636         *
2637         * 1 = allow installing from other sources
2638         * 0 = only allow installing from the Android Market
2639         */
2640        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2641
2642        /**
2643         * Comma-separated list of location providers that activities may access.
2644         */
2645        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2646
2647        /**
2648         * Whether autolock is enabled (0 = false, 1 = true)
2649         */
2650        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2651
2652        /**
2653         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2654         */
2655        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2656
2657        /**
2658         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2659         */
2660        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2661            "lock_pattern_tactile_feedback_enabled";
2662
2663        /**
2664         * This preference allows the device to be locked given time after screen goes off,
2665         * subject to current DeviceAdmin policy limits.
2666         * @hide
2667         */
2668        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2669
2670
2671        /**
2672         * This preference contains the string that shows for owner info on LockScren.
2673         * @hide
2674         */
2675        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2676
2677        /**
2678         * This preference enables showing the owner info on LockScren.
2679         * @hide
2680         */
2681        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2682            "lock_screen_owner_info_enabled";
2683
2684        /**
2685         * The saved value for WindowManagerService.setForcedDisplaySize().
2686         * Two integers separated by a comma.  If unset, then use the real display size.
2687         * @hide
2688         */
2689        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2690
2691        /**
2692         * Whether assisted GPS should be enabled or not.
2693         * @hide
2694         */
2695        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2696
2697        /**
2698         * The Logging ID (a unique 64-bit value) as a hex string.
2699         * Used as a pseudonymous identifier for logging.
2700         * @deprecated This identifier is poorly initialized and has
2701         * many collisions.  It should not be used.
2702         */
2703        @Deprecated
2704        public static final String LOGGING_ID = "logging_id";
2705
2706        /**
2707         * User preference for which network(s) should be used. Only the
2708         * connectivity service should touch this.
2709         */
2710        public static final String NETWORK_PREFERENCE = "network_preference";
2711
2712        /**
2713         * Used to disable Tethering on a device - defaults to true
2714         * @hide
2715         */
2716        public static final String TETHER_SUPPORTED = "tether_supported";
2717
2718        /**
2719         * Used to require DUN APN on the device or not - defaults to a build config value
2720         * which defaults to false
2721         * @hide
2722         */
2723        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2724
2725        /**
2726         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2727         * corresponding build config values are set it will override the APN DB
2728         * values.
2729         * Consists of a comma seperated list of strings:
2730         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2731         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2732         * @hide
2733         */
2734        public static final String TETHER_DUN_APN = "tether_dun_apn";
2735
2736        /**
2737         * No longer supported.
2738         */
2739        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2740
2741        /**
2742         * No longer supported.
2743         */
2744        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2745
2746        /**
2747         * No longer supported.
2748         */
2749        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2750
2751        /**
2752         * A positive value indicates how often the SamplingProfiler
2753         * should take snapshots. Zero value means SamplingProfiler
2754         * is disabled.
2755         *
2756         * @hide
2757         */
2758        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2759
2760        /**
2761         * Settings classname to launch when Settings is clicked from All
2762         * Applications.  Needed because of user testing between the old
2763         * and new Settings apps.
2764         */
2765        // TODO: 881807
2766        public static final String SETTINGS_CLASSNAME = "settings_classname";
2767
2768        /**
2769         * USB Mass Storage Enabled
2770         */
2771        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2772
2773        /**
2774         * If this setting is set (to anything), then all references
2775         * to Gmail on the device must change to Google Mail.
2776         */
2777        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2778
2779        /**
2780         * If accessibility is enabled.
2781         */
2782        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2783
2784        /**
2785         * If touch exploration is enabled.
2786         */
2787        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2788
2789        /**
2790         * List of the enabled accessibility providers.
2791         */
2792        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2793            "enabled_accessibility_services";
2794
2795        /**
2796         * Whether to speak passwords while in accessibility mode.
2797         */
2798        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2799
2800        /**
2801         * If injection of accessibility enhancing JavaScript screen-reader
2802         * is enabled.
2803         * <p>
2804         *   Note: The JavaScript based screen-reader is served by the
2805         *   Google infrastructure and enable users with disabilities to
2806         *   efficiantly navigate in and explore web content.
2807         * </p>
2808         * <p>
2809         *   This property represents a boolean value.
2810         * </p>
2811         * @hide
2812         */
2813        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2814            "accessibility_script_injection";
2815
2816        /**
2817         * The URL for the injected JavaScript based screen-reader used
2818         * for providing accessiblity of content in WebView.
2819         * <p>
2820         *   Note: The JavaScript based screen-reader is served by the
2821         *   Google infrastructure and enable users with disabilities to
2822         *   efficiently navigate in and explore web content.
2823         * </p>
2824         * <p>
2825         *   This property represents a string value.
2826         * </p>
2827         * @hide
2828         */
2829        public static final String ACCESSIBILITY_SCREEN_READER_URL =
2830            "accessibility_script_injection_url";
2831
2832        /**
2833         * Key bindings for navigation in built-in accessibility support for web content.
2834         * <p>
2835         *   Note: These key bindings are for the built-in accessibility navigation for
2836         *   web content which is used as a fall back solution if JavaScript in a WebView
2837         *   is not enabled or the user has not opted-in script injection from Google.
2838         * </p>
2839         * <p>
2840         *   The bindings are separated by semi-colon. A binding is a mapping from
2841         *   a key to a sequence of actions (for more details look at
2842         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2843         *   string representation of an integer obtained from a meta state (optional) shifted
2844         *   sixteen times left and bitwise ored with a key code. An action is represented
2845         *   as a hexademical string representation of an integer where the first two digits
2846         *   are navigation action index, the second, the third, and the fourth digit pairs
2847         *   represent the action arguments. The separate actions in a binding are colon
2848         *   separated. The key and the action sequence it maps to are separated by equals.
2849         * </p>
2850         * <p>
2851         *   For example, the binding below maps the DPAD right button to traverse the
2852         *   current navigation axis once without firing an accessibility event and to
2853         *   perform the same traversal again but to fire an event:
2854         *   <code>
2855         *     0x16=0x01000100:0x01000101;
2856         *   </code>
2857         * </p>
2858         * <p>
2859         *   The goal of this binding is to enable dynamic rebinding of keys to
2860         *   navigation actions for web content without requiring a framework change.
2861         * </p>
2862         * <p>
2863         *   This property represents a string value.
2864         * </p>
2865         * @hide
2866         */
2867        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2868            "accessibility_web_content_key_bindings";
2869
2870        /**
2871         * The timout for considering a press to be a long press in milliseconds.
2872         * @hide
2873         */
2874        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2875
2876        /**
2877         * Setting to always use the default text-to-speech settings regardless
2878         * of the application settings.
2879         * 1 = override application settings,
2880         * 0 = use application settings (if specified).
2881         *
2882         * @deprecated  The value of this setting is no longer respected by
2883         * the framework text to speech APIs as of the Ice Cream Sandwich release.
2884         */
2885        @Deprecated
2886        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2887
2888        /**
2889         * Default text-to-speech engine speech rate. 100 = 1x
2890         */
2891        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2892
2893        /**
2894         * Default text-to-speech engine pitch. 100 = 1x
2895         */
2896        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2897
2898        /**
2899         * Default text-to-speech engine.
2900         */
2901        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2902
2903        /**
2904         * Default text-to-speech language.
2905         *
2906         * @deprecated this setting is no longer in use, as of the Ice Cream
2907         * Sandwich release. Apps should never need to read this setting directly,
2908         * instead can query the TextToSpeech framework classes for the default
2909         * locale. {@link TextToSpeech#getLanguage()}.
2910         */
2911        @Deprecated
2912        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2913
2914        /**
2915         * Default text-to-speech country.
2916         *
2917         * @deprecated this setting is no longer in use, as of the Ice Cream
2918         * Sandwich release. Apps should never need to read this setting directly,
2919         * instead can query the TextToSpeech framework classes for the default
2920         * locale. {@link TextToSpeech#getLanguage()}.
2921         */
2922        @Deprecated
2923        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2924
2925        /**
2926         * Default text-to-speech locale variant.
2927         *
2928         * @deprecated this setting is no longer in use, as of the Ice Cream
2929         * Sandwich release. Apps should never need to read this setting directly,
2930         * instead can query the TextToSpeech framework classes for the
2931         * locale that is in use {@link TextToSpeech#getLanguage()}.
2932         */
2933        @Deprecated
2934        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2935
2936        /**
2937         * Stores the default tts locales on a per engine basis. Stored as
2938         * a comma seperated list of values, each value being of the form
2939         * {@code engine_name:locale} for example,
2940         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
2941         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
2942         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
2943         * setting directly, and can query the TextToSpeech framework classes
2944         * for the locale that is in use.
2945         *
2946         * @hide
2947         */
2948        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
2949
2950        /**
2951         * Space delimited list of plugin packages that are enabled.
2952         */
2953        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2954
2955        /**
2956         * Whether to notify the user of open networks.
2957         * <p>
2958         * If not connected and the scan results have an open network, we will
2959         * put this notification up. If we attempt to connect to a network or
2960         * the open network(s) disappear, we remove the notification. When we
2961         * show the notification, we will not show it again for
2962         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2963         */
2964        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2965                "wifi_networks_available_notification_on";
2966        /**
2967         * {@hide}
2968         */
2969        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2970                "wimax_networks_available_notification_on";
2971
2972        /**
2973         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2974         * Connecting to a network will reset the timer.
2975         */
2976        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2977                "wifi_networks_available_repeat_delay";
2978
2979        /**
2980         * 802.11 country code in ISO 3166 format
2981         * @hide
2982         */
2983        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2984
2985
2986        /**
2987         * When the number of open networks exceeds this number, the
2988         * least-recently-used excess networks will be removed.
2989         */
2990        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2991
2992        /**
2993         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2994         */
2995        public static final String WIFI_ON = "wifi_on";
2996
2997        /**
2998         * Used to save the Wifi_ON state prior to tethering.
2999         * This state will be checked to restore Wifi after
3000         * the user turns off tethering.
3001         *
3002         * @hide
3003         */
3004        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
3005
3006        /**
3007         * AP SSID
3008         *
3009         * @hide
3010         */
3011        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
3012
3013        /**
3014         * AP security
3015         *
3016         * @hide
3017         */
3018        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
3019
3020        /**
3021         * AP passphrase
3022         *
3023         * @hide
3024         */
3025        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
3026
3027        /**
3028         * The acceptable packet loss percentage (range 0 - 100) before trying
3029         * another AP on the same network.
3030         */
3031        @Deprecated
3032        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3033                "wifi_watchdog_acceptable_packet_loss_percentage";
3034
3035        /**
3036         * The number of access points required for a network in order for the
3037         * watchdog to monitor it.
3038         */
3039        @Deprecated
3040        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
3041
3042        /**
3043         * The delay between background checks.
3044         */
3045        @Deprecated
3046        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3047                "wifi_watchdog_background_check_delay_ms";
3048
3049        /**
3050         * Whether the Wi-Fi watchdog is enabled for background checking even
3051         * after it thinks the user has connected to a good access point.
3052         */
3053        @Deprecated
3054        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3055                "wifi_watchdog_background_check_enabled";
3056
3057        /**
3058         * The timeout for a background ping
3059         */
3060        @Deprecated
3061        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3062                "wifi_watchdog_background_check_timeout_ms";
3063
3064        /**
3065         * The number of initial pings to perform that *may* be ignored if they
3066         * fail. Again, if these fail, they will *not* be used in packet loss
3067         * calculation. For example, one network always seemed to time out for
3068         * the first couple pings, so this is set to 3 by default.
3069         */
3070        @Deprecated
3071        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3072            "wifi_watchdog_initial_ignored_ping_count";
3073
3074        /**
3075         * The maximum number of access points (per network) to attempt to test.
3076         * If this number is reached, the watchdog will no longer monitor the
3077         * initial connection state for the network. This is a safeguard for
3078         * networks containing multiple APs whose DNS does not respond to pings.
3079         */
3080        @Deprecated
3081        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3082
3083        /**
3084         * Whether the Wi-Fi watchdog is enabled.
3085         */
3086        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3087
3088        /**
3089         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3090         */
3091        @Deprecated
3092        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3093
3094        /**
3095         * The number of pings to test if an access point is a good connection.
3096         */
3097        @Deprecated
3098        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3099
3100        /**
3101         * The delay between pings.
3102         */
3103        @Deprecated
3104        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3105
3106        /**
3107         * The timeout per ping.
3108         */
3109        @Deprecated
3110        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3111
3112        /**
3113         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3114         * @hide
3115         */
3116        public static final String WIFI_WATCHDOG_DNS_CHECK_SHORT_INTERVAL_MS =
3117                "wifi_watchdog_dns_check_short_interval_ms";
3118
3119        /**
3120         * ms delay before rechecking an 'online' wifi connection when it is thought to be stable.
3121         * @hide
3122         */
3123        public static final String WIFI_WATCHDOG_DNS_CHECK_LONG_INTERVAL_MS =
3124                "wifi_watchdog_dns_check_long_interval_ms";
3125
3126        /**
3127         * ms delay before rechecking a connect SSID for walled garden with a http download.
3128         * @hide
3129         */
3130        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3131                "wifi_watchdog_walled_garden_interval_ms";
3132
3133        /**
3134         * max blacklist calls on an SSID before full dns check failures disable the network.
3135         * @hide
3136         */
3137        public static final String WIFI_WATCHDOG_MAX_SSID_BLACKLISTS =
3138                "wifi_watchdog_max_ssid_blacklists";
3139
3140        /**
3141         * Number of dns pings per check.
3142         * @hide
3143         */
3144        public static final String WIFI_WATCHDOG_NUM_DNS_PINGS = "wifi_watchdog_num_dns_pings";
3145
3146        /**
3147         * Minimum number of responses to the dns pings to consider the test 'successful'.
3148         * @hide
3149         */
3150        public static final String WIFI_WATCHDOG_MIN_DNS_RESPONSES =
3151                "wifi_watchdog_min_dns_responses";
3152
3153        /**
3154         * Timeout on dns pings
3155         * @hide
3156         */
3157        public static final String WIFI_WATCHDOG_DNS_PING_TIMEOUT_MS =
3158                "wifi_watchdog_dns_ping_timeout_ms";
3159
3160        /**
3161         * We consider action from a 'blacklist' call to have finished by the end of
3162         * this interval.  If we are connected to the same AP with no network connection,
3163         * we are likely stuck on an SSID with no external connectivity.
3164         * @hide
3165         */
3166        public static final String WIFI_WATCHDOG_BLACKLIST_FOLLOWUP_INTERVAL_MS =
3167                "wifi_watchdog_blacklist_followup_interval_ms";
3168
3169        /**
3170         * Setting to turn off poor network avoidance on Wi-Fi. Feature is disabled by default and
3171         * the setting needs to be set to 1 to enable it.
3172         * @hide
3173         */
3174        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3175                "wifi_watchdog_poor_network_test_enabled";
3176
3177        /**
3178         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3179         * the setting needs to be set to 0 to disable it.
3180         * @hide
3181         */
3182        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3183                "wifi_watchdog_walled_garden_test_enabled";
3184
3185        /**
3186         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3187         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3188         * is not part of the title string to notify the user on the presence of a walled garden.
3189         * @hide
3190         */
3191        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3192                "wifi_watchdog_walled_garden_url";
3193
3194        /**
3195         * Boolean to determine whether to notify on disabling a network.  Secure setting used
3196         * to notify user only once.
3197         * @hide
3198         */
3199        public static final String WIFI_WATCHDOG_SHOW_DISABLED_NETWORK_POPUP =
3200                "wifi_watchdog_show_disabled_network_popup";
3201
3202        /**
3203         * The maximum number of times we will retry a connection to an access
3204         * point for which we have failed in acquiring an IP address from DHCP.
3205         * A value of N means that we will make N+1 connection attempts in all.
3206         */
3207        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3208
3209        /**
3210         * The operational wifi frequency band
3211         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3212         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3213         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3214         *
3215         * @hide
3216         */
3217        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3218
3219        /**
3220         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3221         * data connectivity to be established after a disconnect from Wi-Fi.
3222         */
3223        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3224            "wifi_mobile_data_transition_wakelock_timeout_ms";
3225
3226        /**
3227         * Whether background data usage is allowed by the user. See
3228         * ConnectivityManager for more info.
3229         */
3230        @Deprecated
3231        public static final String BACKGROUND_DATA = "background_data";
3232
3233        /**
3234         * Origins for which browsers should allow geolocation by default.
3235         * The value is a space-separated list of origins.
3236         */
3237        public static final String ALLOWED_GEOLOCATION_ORIGINS
3238                = "allowed_geolocation_origins";
3239
3240        /**
3241         * Whether mobile data connections are allowed by the user.  See
3242         * ConnectivityManager for more info.
3243         * @hide
3244         */
3245        public static final String MOBILE_DATA = "mobile_data";
3246
3247        /**
3248         * The CDMA roaming mode 0 = Home Networks, CDMA default
3249         *                       1 = Roaming on Affiliated networks
3250         *                       2 = Roaming on any networks
3251         * @hide
3252         */
3253        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3254
3255        /**
3256         * The CDMA subscription mode 0 = RUIM/SIM (default)
3257         *                                1 = NV
3258         * @hide
3259         */
3260        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3261
3262        /**
3263         * The preferred network mode   7 = Global
3264         *                              6 = EvDo only
3265         *                              5 = CDMA w/o EvDo
3266         *                              4 = CDMA / EvDo auto
3267         *                              3 = GSM / WCDMA auto
3268         *                              2 = WCDMA only
3269         *                              1 = GSM only
3270         *                              0 = GSM / WCDMA preferred
3271         * @hide
3272         */
3273        public static final String PREFERRED_NETWORK_MODE =
3274                "preferred_network_mode";
3275
3276        /**
3277         * The preferred TTY mode     0 = TTy Off, CDMA default
3278         *                            1 = TTY Full
3279         *                            2 = TTY HCO
3280         *                            3 = TTY VCO
3281         * @hide
3282         */
3283        public static final String PREFERRED_TTY_MODE =
3284                "preferred_tty_mode";
3285
3286
3287        /**
3288         * CDMA Cell Broadcast SMS
3289         *                            0 = CDMA Cell Broadcast SMS disabled
3290         *                            1 = CDMA Cell Broadcast SMS enabled
3291         * @hide
3292         */
3293        public static final String CDMA_CELL_BROADCAST_SMS =
3294                "cdma_cell_broadcast_sms";
3295
3296        /**
3297         * The cdma subscription 0 = Subscription from RUIM, when available
3298         *                       1 = Subscription from NV
3299         * @hide
3300         */
3301        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3302                "preferred_cdma_subscription";
3303
3304        /**
3305         * Whether the enhanced voice privacy mode is enabled.
3306         * 0 = normal voice privacy
3307         * 1 = enhanced voice privacy
3308         * @hide
3309         */
3310        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3311
3312        /**
3313         * Whether the TTY mode mode is enabled.
3314         * 0 = disabled
3315         * 1 = enabled
3316         * @hide
3317         */
3318        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3319
3320        /**
3321         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3322         * @hide
3323         */
3324        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3325
3326        /**
3327         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3328         * @hide
3329         */
3330        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3331
3332        /**
3333         * Controls whether settings backup is enabled.
3334         * Type: int ( 0 = disabled, 1 = enabled )
3335         * @hide
3336         */
3337        public static final String BACKUP_ENABLED = "backup_enabled";
3338
3339        /**
3340         * Controls whether application data is automatically restored from backup
3341         * at install time.
3342         * Type: int ( 0 = disabled, 1 = enabled )
3343         * @hide
3344         */
3345        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3346
3347        /**
3348         * Indicates whether settings backup has been fully provisioned.
3349         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3350         * @hide
3351         */
3352        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3353
3354        /**
3355         * Component of the transport to use for backup/restore.
3356         * @hide
3357         */
3358        public static final String BACKUP_TRANSPORT = "backup_transport";
3359
3360        /**
3361         * Version for which the setup wizard was last shown.  Bumped for
3362         * each release when there is new setup information to show.
3363         * @hide
3364         */
3365        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3366
3367        /**
3368         * How frequently (in seconds) to check the memory status of the
3369         * device.
3370         * @hide
3371         */
3372        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3373
3374        /**
3375         * Max frequency (in seconds) to log memory check stats, in realtime
3376         * seconds.  This allows for throttling of logs when the device is
3377         * running for large amounts of time.
3378         * @hide
3379         */
3380        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3381                "memcheck_log_realtime_interval";
3382
3383        /**
3384         * Boolean indicating whether rebooting due to system memory checks
3385         * is enabled.
3386         * @hide
3387         */
3388        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3389
3390        /**
3391         * How many bytes the system process must be below to avoid scheduling
3392         * a soft reboot.  This reboot will happen when it is next determined
3393         * to be a good time.
3394         * @hide
3395         */
3396        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3397
3398        /**
3399         * How many bytes the system process must be below to avoid scheduling
3400         * a hard reboot.  This reboot will happen immediately.
3401         * @hide
3402         */
3403        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3404
3405        /**
3406         * How many bytes the phone process must be below to avoid scheduling
3407         * a soft restart.  This restart will happen when it is next determined
3408         * to be a good time.
3409         * @hide
3410         */
3411        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3412
3413        /**
3414         * How many bytes the phone process must be below to avoid scheduling
3415         * a hard restart.  This restart will happen immediately.
3416         * @hide
3417         */
3418        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3419
3420        /**
3421         * Boolean indicating whether restarting the phone process due to
3422         * memory checks is enabled.
3423         * @hide
3424         */
3425        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3426
3427        /**
3428         * First time during the day it is okay to kill processes
3429         * or reboot the device due to low memory situations.  This number is
3430         * in seconds since midnight.
3431         * @hide
3432         */
3433        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3434
3435        /**
3436         * Last time during the day it is okay to kill processes
3437         * or reboot the device due to low memory situations.  This number is
3438         * in seconds since midnight.
3439         * @hide
3440         */
3441        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3442
3443        /**
3444         * How long the screen must have been off in order to kill processes
3445         * or reboot.  This number is in seconds.  A value of -1 means to
3446         * entirely disregard whether the screen is on.
3447         * @hide
3448         */
3449        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3450
3451        /**
3452         * How much time there must be until the next alarm in order to kill processes
3453         * or reboot.  This number is in seconds.  Note: this value must be
3454         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3455         * always see an alarm scheduled within its time.
3456         * @hide
3457         */
3458        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3459
3460        /**
3461         * How frequently to check whether it is a good time to restart things,
3462         * if the device is in a bad state.  This number is in seconds.  Note:
3463         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3464         * the alarm to schedule the recheck will always appear within the
3465         * minimum "do not execute now" time.
3466         * @hide
3467         */
3468        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3469
3470        /**
3471         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3472         * will occur.
3473         * @hide
3474         */
3475        public static final String REBOOT_INTERVAL = "reboot_interval";
3476
3477        /**
3478         * First time during the day it is okay to force a reboot of the
3479         * device (if REBOOT_INTERVAL is set).  This number is
3480         * in seconds since midnight.
3481         * @hide
3482         */
3483        public static final String REBOOT_START_TIME = "reboot_start_time";
3484
3485        /**
3486         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3487         * a reboot can be executed.  If 0, a reboot will always be executed at
3488         * exactly the given time.  Otherwise, it will only be executed if
3489         * the device is idle within the window.
3490         * @hide
3491         */
3492        public static final String REBOOT_WINDOW = "reboot_window";
3493
3494        /**
3495         * Threshold values for the duration and level of a discharge cycle, under
3496         * which we log discharge cycle info.
3497         * @hide
3498         */
3499        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3500                "battery_discharge_duration_threshold";
3501        /** @hide */
3502        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3503
3504        /**
3505         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3506         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3507         * will never display the "Report" button.
3508         * Type: int ( 0 = disallow, 1 = allow )
3509         * @hide
3510         */
3511        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3512
3513        /**
3514         * Nonzero causes Log.wtf() to crash.
3515         * @hide
3516         */
3517        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3518
3519        /**
3520         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3521         * @hide
3522         */
3523        public static final String DROPBOX_AGE_SECONDS =
3524                "dropbox_age_seconds";
3525        /**
3526         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3527         * @hide
3528         */
3529        public static final String DROPBOX_MAX_FILES =
3530                "dropbox_max_files";
3531        /**
3532         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3533         * @hide
3534         */
3535        public static final String DROPBOX_QUOTA_KB =
3536                "dropbox_quota_kb";
3537        /**
3538         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3539         * @hide
3540         */
3541        public static final String DROPBOX_QUOTA_PERCENT =
3542                "dropbox_quota_percent";
3543        /**
3544         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3545         * @hide
3546         */
3547        public static final String DROPBOX_RESERVE_PERCENT =
3548                "dropbox_reserve_percent";
3549        /**
3550         * Prefix for per-tag dropbox disable/enable settings.
3551         * @hide
3552         */
3553        public static final String DROPBOX_TAG_PREFIX =
3554                "dropbox:";
3555        /**
3556         * Lines of logcat to include with system crash/ANR/etc. reports,
3557         * as a prefix of the dropbox tag of the report type.
3558         * For example, "logcat_for_system_server_anr" controls the lines
3559         * of logcat captured with system server ANR reports.  0 to disable.
3560         * @hide
3561         */
3562        public static final String ERROR_LOGCAT_PREFIX =
3563                "logcat_for_";
3564
3565
3566        /**
3567         * Screen timeout in milliseconds corresponding to the
3568         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3569         * possible screen timeout behavior.)
3570         * @hide
3571         */
3572        public static final String SHORT_KEYLIGHT_DELAY_MS =
3573                "short_keylight_delay_ms";
3574
3575        /**
3576         * The interval in minutes after which the amount of free storage left on the
3577         * device is logged to the event log
3578         * @hide
3579         */
3580        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3581                "sys_free_storage_log_interval";
3582
3583        /**
3584         * Threshold for the amount of change in disk free space required to report the amount of
3585         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3586         * frequently.
3587         * @hide
3588         */
3589        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3590                "disk_free_change_reporting_threshold";
3591
3592
3593        /**
3594         * Minimum percentage of free storage on the device that is used to determine if
3595         * the device is running low on storage.  The default is 10.
3596         * <p>Say this value is set to 10, the device is considered running low on storage
3597         * if 90% or more of the device storage is filled up.
3598         * @hide
3599         */
3600        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3601                "sys_storage_threshold_percentage";
3602
3603        /**
3604         * Maximum byte size of the low storage threshold.  This is to ensure
3605         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3606         * an overly large threshold for large storage devices.  Currently this
3607         * must be less than 2GB.  This default is 500MB.
3608         * @hide
3609         */
3610        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3611                "sys_storage_threshold_max_bytes";
3612
3613        /**
3614         * Minimum bytes of free storage on the device before the data
3615         * partition is considered full. By default, 1 MB is reserved
3616         * to avoid system-wide SQLite disk full exceptions.
3617         * @hide
3618         */
3619        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3620                "sys_storage_full_threshold_bytes";
3621
3622        /**
3623         * The interval in milliseconds after which Wi-Fi is considered idle.
3624         * When idle, it is possible for the device to be switched from Wi-Fi to
3625         * the mobile data network.
3626         * @hide
3627         */
3628        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3629
3630        /**
3631         * The interval in milliseconds to issue wake up scans when wifi needs
3632         * to connect. This is necessary to connect to an access point when
3633         * device is on the move and the screen is off.
3634         * @hide
3635         */
3636        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3637                "wifi_framework_scan_interval_ms";
3638
3639        /**
3640         * The interval in milliseconds to scan as used by the wifi supplicant
3641         * @hide
3642         */
3643        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3644                "wifi_supplicant_scan_interval_ms";
3645
3646        /**
3647         * The interval in milliseconds at which to check packet counts on the
3648         * mobile data interface when screen is on, to detect possible data
3649         * connection problems.
3650         * @hide
3651         */
3652        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3653                "pdp_watchdog_poll_interval_ms";
3654
3655        /**
3656         * The interval in milliseconds at which to check packet counts on the
3657         * mobile data interface when screen is off, to detect possible data
3658         * connection problems.
3659         * @hide
3660         */
3661        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3662                "pdp_watchdog_long_poll_interval_ms";
3663
3664        /**
3665         * The interval in milliseconds at which to check packet counts on the
3666         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3667         * outgoing packets has been reached without incoming packets.
3668         * @hide
3669         */
3670        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3671                "pdp_watchdog_error_poll_interval_ms";
3672
3673        /**
3674         * The number of outgoing packets sent without seeing an incoming packet
3675         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3676         * device is logged to the event log
3677         * @hide
3678         */
3679        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3680                "pdp_watchdog_trigger_packet_count";
3681
3682        /**
3683         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3684         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3685         * attempting data connection recovery.
3686         * @hide
3687         */
3688        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3689                "pdp_watchdog_error_poll_count";
3690
3691        /**
3692         * The number of failed PDP reset attempts before moving to something more
3693         * drastic: re-registering to the network.
3694         * @hide
3695         */
3696        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3697                "pdp_watchdog_max_pdp_reset_fail_count";
3698
3699        /**
3700         * The number of milliseconds to delay when checking for data stalls during
3701         * non-aggressive detection. (screen is turned off.)
3702         * @hide
3703         */
3704        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3705                "data_stall_alarm_non_aggressive_delay_in_ms";
3706
3707        /**
3708         * The number of milliseconds to delay when checking for data stalls during
3709         * aggressive detection. (screen on or suspected data stall)
3710         * @hide
3711         */
3712        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3713                "data_stall_alarm_aggressive_delay_in_ms";
3714
3715        /**
3716         * The interval in milliseconds at which to check gprs registration
3717         * after the first registration mismatch of gprs and voice service,
3718         * to detect possible data network registration problems.
3719         *
3720         * @hide
3721         */
3722        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3723                "gprs_register_check_period_ms";
3724
3725        /**
3726         * The length of time in milli-seconds that automatic small adjustments to
3727         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3728         * @hide
3729         */
3730        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3731
3732        /**
3733         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3734         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3735         * exceeded.
3736         * @hide
3737         */
3738        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3739
3740        /**
3741         * The maximum reconnect delay for short network outages or when the network is suspended
3742         * due to phone use.
3743         * @hide
3744         */
3745        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3746                "sync_max_retry_delay_in_seconds";
3747
3748        /**
3749         * The interval in milliseconds at which to check the number of SMS sent
3750         * out without asking for use permit, to limit the un-authorized SMS
3751         * usage.
3752         * @hide
3753         */
3754        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3755                "sms_outgoing_check_interval_ms";
3756
3757        /**
3758         * The number of outgoing SMS sent without asking for user permit
3759         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3760         * @hide
3761         */
3762        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3763                "sms_outgoing_check_max_count";
3764
3765        /**
3766         * The global search provider chosen by the user (if multiple global
3767         * search providers are installed). This will be the provider returned
3768         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3769         * installed. This setting is stored as a flattened component name as
3770         * per {@link ComponentName#flattenToString()}.
3771         *
3772         * @hide
3773         */
3774        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3775                "search_global_search_activity";
3776
3777        /**
3778         * The number of promoted sources in GlobalSearch.
3779         * @hide
3780         */
3781        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3782        /**
3783         * The maximum number of suggestions returned by GlobalSearch.
3784         * @hide
3785         */
3786        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3787        /**
3788         * The number of suggestions GlobalSearch will ask each non-web search source for.
3789         * @hide
3790         */
3791        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3792        /**
3793         * The number of suggestions the GlobalSearch will ask the web search source for.
3794         * @hide
3795         */
3796        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3797                "search_web_results_override_limit";
3798        /**
3799         * The number of milliseconds that GlobalSearch will wait for suggestions from
3800         * promoted sources before continuing with all other sources.
3801         * @hide
3802         */
3803        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3804                "search_promoted_source_deadline_millis";
3805        /**
3806         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3807         * @hide
3808         */
3809        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3810        /**
3811         * The maximum number of milliseconds that GlobalSearch shows the previous results
3812         * after receiving a new query.
3813         * @hide
3814         */
3815        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3816        /**
3817         * The maximum age of log data used for shortcuts in GlobalSearch.
3818         * @hide
3819         */
3820        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3821        /**
3822         * The maximum age of log data used for source ranking in GlobalSearch.
3823         * @hide
3824         */
3825        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3826                "search_max_source_event_age_millis";
3827        /**
3828         * The minimum number of impressions needed to rank a source in GlobalSearch.
3829         * @hide
3830         */
3831        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3832                "search_min_impressions_for_source_ranking";
3833        /**
3834         * The minimum number of clicks needed to rank a source in GlobalSearch.
3835         * @hide
3836         */
3837        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3838                "search_min_clicks_for_source_ranking";
3839        /**
3840         * The maximum number of shortcuts shown by GlobalSearch.
3841         * @hide
3842         */
3843        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3844        /**
3845         * The size of the core thread pool for suggestion queries in GlobalSearch.
3846         * @hide
3847         */
3848        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3849                "search_query_thread_core_pool_size";
3850        /**
3851         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3852         * @hide
3853         */
3854        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3855                "search_query_thread_max_pool_size";
3856        /**
3857         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3858         * @hide
3859         */
3860        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3861                "search_shortcut_refresh_core_pool_size";
3862        /**
3863         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3864         * @hide
3865         */
3866        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3867                "search_shortcut_refresh_max_pool_size";
3868        /**
3869         * The maximun time that excess threads in the GlobalSeach thread pools will
3870         * wait before terminating.
3871         * @hide
3872         */
3873        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3874                "search_thread_keepalive_seconds";
3875        /**
3876         * The maximum number of concurrent suggestion queries to each source.
3877         * @hide
3878         */
3879        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3880                "search_per_source_concurrent_query_limit";
3881
3882        /**
3883         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3884         * @hide
3885         */
3886        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3887
3888        /**
3889         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3890         * @hide
3891         */
3892        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3893
3894        /**
3895         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3896         * @hide
3897         */
3898        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3899
3900        /**
3901         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3902         * @hide
3903         */
3904        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3905
3906        /**
3907         * If nonzero, ANRs in invisible background processes bring up a dialog.
3908         * Otherwise, the process will be silently killed.
3909         * @hide
3910         */
3911        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3912
3913        /**
3914         * The {@link ComponentName} string of the service to be used as the voice recognition
3915         * service.
3916         *
3917         * @hide
3918         */
3919        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3920
3921
3922        /**
3923         * The {@link ComponentName} string of the selected spell checker service which is
3924         * one of the services managed by the text service manager.
3925         *
3926         * @hide
3927         */
3928        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
3929
3930        /**
3931         * The {@link ComponentName} string of the selected subtype of the selected spell checker
3932         * service which is one of the services managed by the text service manager.
3933         *
3934         * @hide
3935         */
3936        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
3937                "selected_spell_checker_subtype";
3938
3939        /**
3940         * The {@link ComponentName} string whether spell checker is enabled or not.
3941         *
3942         * @hide
3943         */
3944        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
3945
3946        /**
3947         * What happens when the user presses the Power button while in-call
3948         * and the screen is on.<br/>
3949         * <b>Values:</b><br/>
3950         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3951         * 2 - The Power button hangs up the current call.<br/>
3952         *
3953         * @hide
3954         */
3955        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3956
3957        /**
3958         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3959         * @hide
3960         */
3961        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3962
3963        /**
3964         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3965         * @hide
3966         */
3967        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3968
3969        /**
3970         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3971         * @hide
3972         */
3973        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3974                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3975
3976        /**
3977         * The current night mode that has been selected by the user.  Owned
3978         * and controlled by UiModeManagerService.  Constants are as per
3979         * UiModeManager.
3980         * @hide
3981         */
3982        public static final String UI_NIGHT_MODE = "ui_night_mode";
3983
3984        /**
3985         * Let user pick default install location.
3986         * @hide
3987         */
3988        public static final String SET_INSTALL_LOCATION = "set_install_location";
3989
3990        /**
3991         * Default install location value.
3992         * 0 = auto, let system decide
3993         * 1 = internal
3994         * 2 = sdcard
3995         * @hide
3996         */
3997        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3998
3999        /**
4000         * The bandwidth throttle polling freqency in seconds
4001         * @hide
4002         */
4003        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
4004
4005        /**
4006         * The bandwidth throttle threshold (long)
4007         * @hide
4008         */
4009        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
4010
4011        /**
4012         * The bandwidth throttle value (kbps)
4013         * @hide
4014         */
4015        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
4016
4017        /**
4018         * The bandwidth throttle reset calendar day (1-28)
4019         * @hide
4020         */
4021        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
4022
4023        /**
4024         * The throttling notifications we should send
4025         * @hide
4026         */
4027        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
4028
4029        /**
4030         * Help URI for data throttling policy
4031         * @hide
4032         */
4033        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
4034
4035        /**
4036         * The length of time in Sec that we allow our notion of NTP time
4037         * to be cached before we refresh it
4038         * @hide
4039         */
4040        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
4041                "throttle_max_ntp_cache_age_sec";
4042
4043        /**
4044         * The maximum size, in bytes, of a download that the download manager will transfer over
4045         * a non-wifi connection.
4046         * @hide
4047         */
4048        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
4049                "download_manager_max_bytes_over_mobile";
4050
4051        /**
4052         * The recommended maximum size, in bytes, of a download that the download manager should
4053         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
4054         * have the option to start the download over the mobile connection anyway.
4055         * @hide
4056         */
4057        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4058                "download_manager_recommended_max_bytes_over_mobile";
4059
4060        /**
4061         * ms during which to consume extra events related to Inet connection condition
4062         * after a transtion to fully-connected
4063         * @hide
4064         */
4065        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4066                "inet_condition_debounce_up_delay";
4067
4068        /**
4069         * ms during which to consume extra events related to Inet connection condtion
4070         * after a transtion to partly-connected
4071         * @hide
4072         */
4073        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4074                "inet_condition_debounce_down_delay";
4075
4076        /**
4077         * URL to open browser on to allow user to manage a prepay account
4078         * @hide
4079         */
4080        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4081                "setup_prepaid_data_service_url";
4082
4083        /**
4084         * URL to attempt a GET on to see if this is a prepay device
4085         * @hide
4086         */
4087        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4088                "setup_prepaid_detection_target_url";
4089
4090        /**
4091         * Host to check for a redirect to after an attempt to GET
4092         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4093         * this is a prepaid device with zero balance.)
4094         * @hide
4095         */
4096        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4097                "setup_prepaid_detection_redir_host";
4098
4099        /**
4100         * Whether the screensaver is enabled.
4101         * @hide
4102         */
4103        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
4104
4105        /**
4106         * The user's chosen screensaver component.
4107         *
4108         * This component will be launched by the PhoneWindowManager after a timeout when not on
4109         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
4110         * @hide
4111         */
4112        public static final String SCREENSAVER_COMPONENT = "screensaver_component";
4113
4114        /**
4115         * Whether the screensaver should be automatically launched when the device is inserted
4116         * into a (desk) dock.
4117         * @hide
4118         */
4119        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
4120
4121        /** {@hide} */
4122        public static final String NETSTATS_ENABLED = "netstats_enabled";
4123        /** {@hide} */
4124        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4125        /** {@hide} */
4126        public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
4127        /** {@hide} */
4128        public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
4129        /** {@hide} */
4130        public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
4131
4132        /** {@hide} */
4133        public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
4134        /** {@hide} */
4135        public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
4136        /** {@hide} */
4137        public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
4138        /** {@hide} */
4139        public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
4140
4141        /** {@hide} */
4142        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4143        /** {@hide} */
4144        public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
4145        /** {@hide} */
4146        public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
4147        /** {@hide} */
4148        public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
4149
4150        /** {@hide} */
4151        public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
4152        /** {@hide} */
4153        public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
4154        /** {@hide} */
4155        public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
4156        /** {@hide} */
4157        public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
4158
4159        /** Preferred NTP server. {@hide} */
4160        public static final String NTP_SERVER = "ntp_server";
4161        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4162        public static final String NTP_TIMEOUT = "ntp_timeout";
4163
4164        /** Autofill server address (Used in WebView/browser). {@hide} */
4165        public static final String WEB_AUTOFILL_QUERY_URL =
4166            "web_autofill_query_url";
4167
4168        /** Whether package verification is enabled. {@hide} */
4169        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4170
4171        /** Timeout for package verification. {@hide} */
4172        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4173
4174        /**
4175         * Duration in milliseconds before pre-authorized URIs for the contacts
4176         * provider should expire.
4177         * @hide
4178         */
4179        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4180                "contacts_preauth_uri_expiration";
4181
4182        /**
4183         * This are the settings to be backed up.
4184         *
4185         * NOTE: Settings are backed up and restored in the order they appear
4186         *       in this array. If you have one setting depending on another,
4187         *       make sure that they are ordered appropriately.
4188         *
4189         * @hide
4190         */
4191        public static final String[] SETTINGS_TO_BACKUP = {
4192            ADB_ENABLED,
4193            ALLOW_MOCK_LOCATION,
4194            PARENTAL_CONTROL_ENABLED,
4195            PARENTAL_CONTROL_REDIRECT_URL,
4196            USB_MASS_STORAGE_ENABLED,
4197            ACCESSIBILITY_SCRIPT_INJECTION,
4198            BACKUP_AUTO_RESTORE,
4199            ENABLED_ACCESSIBILITY_SERVICES,
4200            TOUCH_EXPLORATION_ENABLED,
4201            ACCESSIBILITY_ENABLED,
4202            ACCESSIBILITY_SPEAK_PASSWORD,
4203            TTS_USE_DEFAULTS,
4204            TTS_DEFAULT_RATE,
4205            TTS_DEFAULT_PITCH,
4206            TTS_DEFAULT_SYNTH,
4207            TTS_DEFAULT_LANG,
4208            TTS_DEFAULT_COUNTRY,
4209            TTS_ENABLED_PLUGINS,
4210            TTS_DEFAULT_LOCALE,
4211            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4212            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4213            WIFI_NUM_OPEN_NETWORKS_KEPT,
4214            MOUNT_PLAY_NOTIFICATION_SND,
4215            MOUNT_UMS_AUTOSTART,
4216            MOUNT_UMS_PROMPT,
4217            MOUNT_UMS_NOTIFY_ENABLED,
4218            UI_NIGHT_MODE,
4219            LOCK_SCREEN_OWNER_INFO,
4220            LOCK_SCREEN_OWNER_INFO_ENABLED
4221        };
4222
4223        /**
4224         * Helper method for determining if a location provider is enabled.
4225         * @param cr the content resolver to use
4226         * @param provider the location provider to query
4227         * @return true if the provider is enabled
4228         */
4229        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4230            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4231            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4232        }
4233
4234        /**
4235         * Thread-safe method for enabling or disabling a single location provider.
4236         * @param cr the content resolver to use
4237         * @param provider the location provider to enable or disable
4238         * @param enabled true if the provider should be enabled
4239         */
4240        public static final void setLocationProviderEnabled(ContentResolver cr,
4241                String provider, boolean enabled) {
4242            // to ensure thread safety, we write the provider name with a '+' or '-'
4243            // and let the SettingsProvider handle it rather than reading and modifying
4244            // the list of enabled providers.
4245            if (enabled) {
4246                provider = "+" + provider;
4247            } else {
4248                provider = "-" + provider;
4249            }
4250            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4251        }
4252    }
4253
4254    /**
4255     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4256     * Intent URL, allowing it to be either a web page or a particular
4257     * application activity.
4258     *
4259     * @hide
4260     */
4261    public static final class Bookmarks implements BaseColumns
4262    {
4263        private static final String TAG = "Bookmarks";
4264
4265        /**
4266         * The content:// style URL for this table
4267         */
4268        public static final Uri CONTENT_URI =
4269            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4270
4271        /**
4272         * The row ID.
4273         * <p>Type: INTEGER</p>
4274         */
4275        public static final String ID = "_id";
4276
4277        /**
4278         * Descriptive name of the bookmark that can be displayed to the user.
4279         * If this is empty, the title should be resolved at display time (use
4280         * {@link #getTitle(Context, Cursor)} any time you want to display the
4281         * title of a bookmark.)
4282         * <P>
4283         * Type: TEXT
4284         * </P>
4285         */
4286        public static final String TITLE = "title";
4287
4288        /**
4289         * Arbitrary string (displayed to the user) that allows bookmarks to be
4290         * organized into categories.  There are some special names for
4291         * standard folders, which all start with '@'.  The label displayed for
4292         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4293         * the folder name does not change so you can consistently query for
4294         * the folder regardless of the current locale.
4295         *
4296         * <P>Type: TEXT</P>
4297         *
4298         */
4299        public static final String FOLDER = "folder";
4300
4301        /**
4302         * The Intent URL of the bookmark, describing what it points to.  This
4303         * value is given to {@link android.content.Intent#getIntent} to create
4304         * an Intent that can be launched.
4305         * <P>Type: TEXT</P>
4306         */
4307        public static final String INTENT = "intent";
4308
4309        /**
4310         * Optional shortcut character associated with this bookmark.
4311         * <P>Type: INTEGER</P>
4312         */
4313        public static final String SHORTCUT = "shortcut";
4314
4315        /**
4316         * The order in which the bookmark should be displayed
4317         * <P>Type: INTEGER</P>
4318         */
4319        public static final String ORDERING = "ordering";
4320
4321        private static final String[] sIntentProjection = { INTENT };
4322        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4323        private static final String sShortcutSelection = SHORTCUT + "=?";
4324
4325        /**
4326         * Convenience function to retrieve the bookmarked Intent for a
4327         * particular shortcut key.
4328         *
4329         * @param cr The ContentResolver to query.
4330         * @param shortcut The shortcut key.
4331         *
4332         * @return Intent The bookmarked URL, or null if there is no bookmark
4333         *         matching the given shortcut.
4334         */
4335        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4336        {
4337            Intent intent = null;
4338
4339            Cursor c = cr.query(CONTENT_URI,
4340                    sIntentProjection, sShortcutSelection,
4341                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4342            // Keep trying until we find a valid shortcut
4343            try {
4344                while (intent == null && c.moveToNext()) {
4345                    try {
4346                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4347                        intent = Intent.parseUri(intentURI, 0);
4348                    } catch (java.net.URISyntaxException e) {
4349                        // The stored URL is bad...  ignore it.
4350                    } catch (IllegalArgumentException e) {
4351                        // Column not found
4352                        Log.w(TAG, "Intent column not found", e);
4353                    }
4354                }
4355            } finally {
4356                if (c != null) c.close();
4357            }
4358
4359            return intent;
4360        }
4361
4362        /**
4363         * Add a new bookmark to the system.
4364         *
4365         * @param cr The ContentResolver to query.
4366         * @param intent The desired target of the bookmark.
4367         * @param title Bookmark title that is shown to the user; null if none
4368         *            or it should be resolved to the intent's title.
4369         * @param folder Folder in which to place the bookmark; null if none.
4370         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4371         *            this is non-zero and there is an existing bookmark entry
4372         *            with this same shortcut, then that existing shortcut is
4373         *            cleared (the bookmark is not removed).
4374         * @return The unique content URL for the new bookmark entry.
4375         */
4376        public static Uri add(ContentResolver cr,
4377                                           Intent intent,
4378                                           String title,
4379                                           String folder,
4380                                           char shortcut,
4381                                           int ordering)
4382        {
4383            // If a shortcut is supplied, and it is already defined for
4384            // another bookmark, then remove the old definition.
4385            if (shortcut != 0) {
4386                cr.delete(CONTENT_URI, sShortcutSelection,
4387                        new String[] { String.valueOf((int) shortcut) });
4388            }
4389
4390            ContentValues values = new ContentValues();
4391            if (title != null) values.put(TITLE, title);
4392            if (folder != null) values.put(FOLDER, folder);
4393            values.put(INTENT, intent.toUri(0));
4394            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4395            values.put(ORDERING, ordering);
4396            return cr.insert(CONTENT_URI, values);
4397        }
4398
4399        /**
4400         * Return the folder name as it should be displayed to the user.  This
4401         * takes care of localizing special folders.
4402         *
4403         * @param r Resources object for current locale; only need access to
4404         *          system resources.
4405         * @param folder The value found in the {@link #FOLDER} column.
4406         *
4407         * @return CharSequence The label for this folder that should be shown
4408         *         to the user.
4409         */
4410        public static CharSequence getLabelForFolder(Resources r, String folder) {
4411            return folder;
4412        }
4413
4414        /**
4415         * Return the title as it should be displayed to the user. This takes
4416         * care of localizing bookmarks that point to activities.
4417         *
4418         * @param context A context.
4419         * @param cursor A cursor pointing to the row whose title should be
4420         *        returned. The cursor must contain at least the {@link #TITLE}
4421         *        and {@link #INTENT} columns.
4422         * @return A title that is localized and can be displayed to the user,
4423         *         or the empty string if one could not be found.
4424         */
4425        public static CharSequence getTitle(Context context, Cursor cursor) {
4426            int titleColumn = cursor.getColumnIndex(TITLE);
4427            int intentColumn = cursor.getColumnIndex(INTENT);
4428            if (titleColumn == -1 || intentColumn == -1) {
4429                throw new IllegalArgumentException(
4430                        "The cursor must contain the TITLE and INTENT columns.");
4431            }
4432
4433            String title = cursor.getString(titleColumn);
4434            if (!TextUtils.isEmpty(title)) {
4435                return title;
4436            }
4437
4438            String intentUri = cursor.getString(intentColumn);
4439            if (TextUtils.isEmpty(intentUri)) {
4440                return "";
4441            }
4442
4443            Intent intent;
4444            try {
4445                intent = Intent.parseUri(intentUri, 0);
4446            } catch (URISyntaxException e) {
4447                return "";
4448            }
4449
4450            PackageManager packageManager = context.getPackageManager();
4451            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4452            return info != null ? info.loadLabel(packageManager) : "";
4453        }
4454    }
4455
4456    /**
4457     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4458     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4459     * from the GoogleLoginService.
4460     *
4461     * @param androidId The Android ID for this device.
4462     * @return The device ID that should be used when connecting to the mobile gtalk server.
4463     * @hide
4464     */
4465    public static String getGTalkDeviceId(long androidId) {
4466        return "android-" + Long.toHexString(androidId);
4467    }
4468}
4469