Settings.java revision 1b60e7287723cc03efc4893e3bbf3b9e8ac1cba9
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.IBinder;
40import android.os.Process;
41import android.os.RemoteException;
42import android.os.ServiceManager;
43import android.os.SystemProperties;
44import android.os.UserId;
45import android.speech.tts.TextToSpeech;
46import android.text.TextUtils;
47import android.util.AndroidException;
48import android.util.Log;
49import android.view.WindowOrientationListener;
50
51import com.android.internal.widget.ILockSettings;
52
53import java.net.URISyntaxException;
54import java.util.HashMap;
55import java.util.HashSet;
56
57/**
58 * The Settings provider contains global system-level device preferences.
59 */
60public final class Settings {
61
62    // Intent actions for Settings
63
64    /**
65     * Activity Action: Show system settings.
66     * <p>
67     * Input: Nothing.
68     * <p>
69     * Output: Nothing.
70     */
71    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
72    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
73
74    /**
75     * Activity Action: Show settings to allow configuration of APNs.
76     * <p>
77     * Input: Nothing.
78     * <p>
79     * Output: Nothing.
80     */
81    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
82    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
83
84    /**
85     * Activity Action: Show settings to allow configuration of current location
86     * sources.
87     * <p>
88     * In some cases, a matching Activity may not exist, so ensure you
89     * safeguard against this.
90     * <p>
91     * Input: Nothing.
92     * <p>
93     * Output: Nothing.
94     */
95    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
96    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
97            "android.settings.LOCATION_SOURCE_SETTINGS";
98
99    /**
100     * Activity Action: Show settings to allow configuration of wireless controls
101     * such as Wi-Fi, Bluetooth and Mobile networks.
102     * <p>
103     * In some cases, a matching Activity may not exist, so ensure you
104     * safeguard against this.
105     * <p>
106     * Input: Nothing.
107     * <p>
108     * Output: Nothing.
109     */
110    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
111    public static final String ACTION_WIRELESS_SETTINGS =
112            "android.settings.WIRELESS_SETTINGS";
113
114    /**
115     * Activity Action: Show settings to allow entering/exiting airplane mode.
116     * <p>
117     * In some cases, a matching Activity may not exist, so ensure you
118     * safeguard against this.
119     * <p>
120     * Input: Nothing.
121     * <p>
122     * Output: Nothing.
123     */
124    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
125    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
126            "android.settings.AIRPLANE_MODE_SETTINGS";
127
128    /**
129     * Activity Action: Show settings for accessibility modules.
130     * <p>
131     * In some cases, a matching Activity may not exist, so ensure you
132     * safeguard against this.
133     * <p>
134     * Input: Nothing.
135     * <p>
136     * Output: Nothing.
137     */
138    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
139    public static final String ACTION_ACCESSIBILITY_SETTINGS =
140            "android.settings.ACCESSIBILITY_SETTINGS";
141
142    /**
143     * Activity Action: Show settings to allow configuration of security and
144     * location privacy.
145     * <p>
146     * In some cases, a matching Activity may not exist, so ensure you
147     * safeguard against this.
148     * <p>
149     * Input: Nothing.
150     * <p>
151     * Output: Nothing.
152     */
153    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
154    public static final String ACTION_SECURITY_SETTINGS =
155            "android.settings.SECURITY_SETTINGS";
156
157    /**
158     * Activity Action: Show settings to allow configuration of privacy options.
159     * <p>
160     * In some cases, a matching Activity may not exist, so ensure you
161     * safeguard against this.
162     * <p>
163     * Input: Nothing.
164     * <p>
165     * Output: Nothing.
166     */
167    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
168    public static final String ACTION_PRIVACY_SETTINGS =
169            "android.settings.PRIVACY_SETTINGS";
170
171    /**
172     * Activity Action: Show settings to allow configuration of Wi-Fi.
173
174     * <p>
175     * In some cases, a matching Activity may not exist, so ensure you
176     * safeguard against this.
177     * <p>
178     * Input: Nothing.
179     * <p>
180     * Output: Nothing.
181
182     */
183    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
184    public static final String ACTION_WIFI_SETTINGS =
185            "android.settings.WIFI_SETTINGS";
186
187    /**
188     * Activity Action: Show settings to allow configuration of a static IP
189     * address for Wi-Fi.
190     * <p>
191     * In some cases, a matching Activity may not exist, so ensure you safeguard
192     * against this.
193     * <p>
194     * Input: Nothing.
195     * <p>
196     * Output: Nothing.
197     */
198    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
199    public static final String ACTION_WIFI_IP_SETTINGS =
200            "android.settings.WIFI_IP_SETTINGS";
201
202    /**
203     * Activity Action: Show settings to allow configuration of Bluetooth.
204     * <p>
205     * In some cases, a matching Activity may not exist, so ensure you
206     * safeguard against this.
207     * <p>
208     * Input: Nothing.
209     * <p>
210     * Output: Nothing.
211     */
212    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
213    public static final String ACTION_BLUETOOTH_SETTINGS =
214            "android.settings.BLUETOOTH_SETTINGS";
215
216    /**
217     * Activity Action: Show settings to allow configuration of date and time.
218     * <p>
219     * In some cases, a matching Activity may not exist, so ensure you
220     * safeguard against this.
221     * <p>
222     * Input: Nothing.
223     * <p>
224     * Output: Nothing.
225     */
226    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
227    public static final String ACTION_DATE_SETTINGS =
228            "android.settings.DATE_SETTINGS";
229
230    /**
231     * Activity Action: Show settings to allow configuration of sound and volume.
232     * <p>
233     * In some cases, a matching Activity may not exist, so ensure you
234     * safeguard against this.
235     * <p>
236     * Input: Nothing.
237     * <p>
238     * Output: Nothing.
239     */
240    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
241    public static final String ACTION_SOUND_SETTINGS =
242            "android.settings.SOUND_SETTINGS";
243
244    /**
245     * Activity Action: Show settings to allow configuration of display.
246     * <p>
247     * In some cases, a matching Activity may not exist, so ensure you
248     * safeguard against this.
249     * <p>
250     * Input: Nothing.
251     * <p>
252     * Output: Nothing.
253     */
254    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
255    public static final String ACTION_DISPLAY_SETTINGS =
256            "android.settings.DISPLAY_SETTINGS";
257
258    /**
259     * Activity Action: Show settings to allow configuration of locale.
260     * <p>
261     * In some cases, a matching Activity may not exist, so ensure you
262     * safeguard against this.
263     * <p>
264     * Input: Nothing.
265     * <p>
266     * Output: Nothing.
267     */
268    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
269    public static final String ACTION_LOCALE_SETTINGS =
270            "android.settings.LOCALE_SETTINGS";
271
272    /**
273     * Activity Action: Show settings to configure input methods, in particular
274     * allowing the user to enable input methods.
275     * <p>
276     * In some cases, a matching Activity may not exist, so ensure you
277     * safeguard against this.
278     * <p>
279     * Input: Nothing.
280     * <p>
281     * Output: Nothing.
282     */
283    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
284    public static final String ACTION_INPUT_METHOD_SETTINGS =
285            "android.settings.INPUT_METHOD_SETTINGS";
286
287    /**
288     * Activity Action: Show settings to enable/disable input method subtypes.
289     * <p>
290     * In some cases, a matching Activity may not exist, so ensure you
291     * safeguard against this.
292     * <p>
293     * To tell which input method's subtypes are displayed in the settings, add
294     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
295     * If there is no extra in this Intent, subtypes from all installed input methods
296     * will be displayed in the settings.
297     *
298     * @see android.view.inputmethod.InputMethodInfo#getId
299     * <p>
300     * Input: Nothing.
301     * <p>
302     * Output: Nothing.
303     */
304    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
305    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
306            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
307
308    /**
309     * Activity Action: Show a dialog to select input method.
310     * <p>
311     * In some cases, a matching Activity may not exist, so ensure you
312     * safeguard against this.
313     * <p>
314     * Input: Nothing.
315     * <p>
316     * Output: Nothing.
317     * @hide
318     */
319    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
320    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
321            "android.settings.SHOW_INPUT_METHOD_PICKER";
322
323    /**
324     * Activity Action: Show settings to manage the user input dictionary.
325     * <p>
326     * In some cases, a matching Activity may not exist, so ensure you
327     * safeguard against this.
328     * <p>
329     * Input: Nothing.
330     * <p>
331     * Output: Nothing.
332     */
333    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
334    public static final String ACTION_USER_DICTIONARY_SETTINGS =
335            "android.settings.USER_DICTIONARY_SETTINGS";
336
337    /**
338     * Activity Action: Adds a word to the user dictionary.
339     * <p>
340     * In some cases, a matching Activity may not exist, so ensure you
341     * safeguard against this.
342     * <p>
343     * Input: An extra with key <code>word</code> that contains the word
344     * that should be added to the dictionary.
345     * <p>
346     * Output: Nothing.
347     *
348     * @hide
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_USER_DICTIONARY_INSERT =
352            "com.android.settings.USER_DICTIONARY_INSERT";
353
354    /**
355     * Activity Action: Show settings to allow configuration of application-related settings.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     */
364    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
365    public static final String ACTION_APPLICATION_SETTINGS =
366            "android.settings.APPLICATION_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of application
370     * development-related settings.
371     * <p>
372     * In some cases, a matching Activity may not exist, so ensure you safeguard
373     * against this.
374     * <p>
375     * Input: Nothing.
376     * <p>
377     * Output: Nothing.
378     */
379    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
380    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
381            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
382
383    /**
384     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
385     * <p>
386     * In some cases, a matching Activity may not exist, so ensure you
387     * safeguard against this.
388     * <p>
389     * Input: Nothing.
390     * <p>
391     * Output: Nothing.
392     */
393    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
394    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
395            "android.settings.QUICK_LAUNCH_SETTINGS";
396
397    /**
398     * Activity Action: Show settings to manage installed applications.
399     * <p>
400     * In some cases, a matching Activity may not exist, so ensure you
401     * safeguard against this.
402     * <p>
403     * Input: Nothing.
404     * <p>
405     * Output: Nothing.
406     */
407    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
408    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
409            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
410
411    /**
412     * Activity Action: Show settings to manage all applications.
413     * <p>
414     * In some cases, a matching Activity may not exist, so ensure you
415     * safeguard against this.
416     * <p>
417     * Input: Nothing.
418     * <p>
419     * Output: Nothing.
420     */
421    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
422    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
423            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
424
425    /**
426     * Activity Action: Show screen of details about a particular application.
427     * <p>
428     * In some cases, a matching Activity may not exist, so ensure you
429     * safeguard against this.
430     * <p>
431     * Input: The Intent's data URI specifies the application package name
432     * to be shown, with the "package" scheme.  That is "package:com.my.app".
433     * <p>
434     * Output: Nothing.
435     */
436    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
437    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
438            "android.settings.APPLICATION_DETAILS_SETTINGS";
439
440    /**
441     * Activity Action: Show settings for system update functionality.
442     * <p>
443     * In some cases, a matching Activity may not exist, so ensure you
444     * safeguard against this.
445     * <p>
446     * Input: Nothing.
447     * <p>
448     * Output: Nothing.
449     *
450     * @hide
451     */
452    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
453    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
454            "android.settings.SYSTEM_UPDATE_SETTINGS";
455
456    /**
457     * Activity Action: Show settings to allow configuration of sync settings.
458     * <p>
459     * In some cases, a matching Activity may not exist, so ensure you
460     * safeguard against this.
461     * <p>
462     * The account types available to add via the add account button may be restricted by adding an
463     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
464     * authorities. Only account types which can sync with that content provider will be offered to
465     * the user.
466     * <p>
467     * Input: Nothing.
468     * <p>
469     * Output: Nothing.
470     */
471    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
472    public static final String ACTION_SYNC_SETTINGS =
473            "android.settings.SYNC_SETTINGS";
474
475    /**
476     * Activity Action: Show add account screen for creating a new account.
477     * <p>
478     * In some cases, a matching Activity may not exist, so ensure you
479     * safeguard against this.
480     * <p>
481     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
482     * extra to the Intent with one or more syncable content provider's authorities.  Only account
483     * types which can sync with that content provider will be offered to the user.
484     * <p>
485     * Input: Nothing.
486     * <p>
487     * Output: Nothing.
488     */
489    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
490    public static final String ACTION_ADD_ACCOUNT =
491            "android.settings.ADD_ACCOUNT_SETTINGS";
492
493    /**
494     * Activity Action: Show settings for selecting the network operator.
495     * <p>
496     * In some cases, a matching Activity may not exist, so ensure you
497     * safeguard against this.
498     * <p>
499     * Input: Nothing.
500     * <p>
501     * Output: Nothing.
502     */
503    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
504    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
505            "android.settings.NETWORK_OPERATOR_SETTINGS";
506
507    /**
508     * Activity Action: Show settings for selection of 2G/3G.
509     * <p>
510     * In some cases, a matching Activity may not exist, so ensure you
511     * safeguard against this.
512     * <p>
513     * Input: Nothing.
514     * <p>
515     * Output: Nothing.
516     */
517    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
518    public static final String ACTION_DATA_ROAMING_SETTINGS =
519            "android.settings.DATA_ROAMING_SETTINGS";
520
521    /**
522     * Activity Action: Show settings for internal storage.
523     * <p>
524     * In some cases, a matching Activity may not exist, so ensure you
525     * safeguard against this.
526     * <p>
527     * Input: Nothing.
528     * <p>
529     * Output: Nothing.
530     */
531    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
532    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
533            "android.settings.INTERNAL_STORAGE_SETTINGS";
534    /**
535     * Activity Action: Show settings for memory card storage.
536     * <p>
537     * In some cases, a matching Activity may not exist, so ensure you
538     * safeguard against this.
539     * <p>
540     * Input: Nothing.
541     * <p>
542     * Output: Nothing.
543     */
544    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
545    public static final String ACTION_MEMORY_CARD_SETTINGS =
546            "android.settings.MEMORY_CARD_SETTINGS";
547
548    /**
549     * Activity Action: Show settings for global search.
550     * <p>
551     * In some cases, a matching Activity may not exist, so ensure you
552     * safeguard against this.
553     * <p>
554     * Input: Nothing.
555     * <p>
556     * Output: Nothing
557     */
558    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
559    public static final String ACTION_SEARCH_SETTINGS =
560        "android.search.action.SEARCH_SETTINGS";
561
562    /**
563     * Activity Action: Show general device information settings (serial
564     * number, software version, phone number, etc.).
565     * <p>
566     * In some cases, a matching Activity may not exist, so ensure you
567     * safeguard against this.
568     * <p>
569     * Input: Nothing.
570     * <p>
571     * Output: Nothing
572     */
573    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
574    public static final String ACTION_DEVICE_INFO_SETTINGS =
575        "android.settings.DEVICE_INFO_SETTINGS";
576
577    /**
578     * Activity Action: Show NFC settings.
579     * <p>
580     * This shows UI that allows NFC to be turned on or off.
581     * <p>
582     * In some cases, a matching Activity may not exist, so ensure you
583     * safeguard against this.
584     * <p>
585     * Input: Nothing.
586     * <p>
587     * Output: Nothing
588     * @see android.nfc.NfcAdapter#isEnabled()
589     */
590    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
591    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
592
593    /**
594     * Activity Action: Show NFC Sharing settings.
595     * <p>
596     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
597     * off.
598     * <p>
599     * In some cases, a matching Activity may not exist, so ensure you
600     * safeguard against this.
601     * <p>
602     * Input: Nothing.
603     * <p>
604     * Output: Nothing
605     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
606     */
607    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
608    public static final String ACTION_NFCSHARING_SETTINGS =
609        "android.settings.NFCSHARING_SETTINGS";
610
611    // End of Intent actions for Settings
612
613    /**
614     * @hide - Private call() method on SettingsProvider to read from 'system' table.
615     */
616    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
617
618    /**
619     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
620     */
621    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
622
623    /**
624     * Activity Extra: Limit available options in launched activity based on the given authority.
625     * <p>
626     * This can be passed as an extra field in an Activity Intent with one or more syncable content
627     * provider's authorities as a String[]. This field is used by some intents to alter the
628     * behavior of the called activity.
629     * <p>
630     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
631     * on the authority given.
632     */
633    public static final String EXTRA_AUTHORITIES =
634            "authorities";
635
636    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
637
638    private static final String JID_RESOURCE_PREFIX = "android";
639
640    public static final String AUTHORITY = "settings";
641
642    private static final String TAG = "Settings";
643    private static final boolean LOCAL_LOGV = false || false;
644
645    public static class SettingNotFoundException extends AndroidException {
646        public SettingNotFoundException(String msg) {
647            super(msg);
648        }
649    }
650
651    /**
652     * Common base for tables of name/value settings.
653     */
654    public static class NameValueTable implements BaseColumns {
655        public static final String NAME = "name";
656        public static final String VALUE = "value";
657
658        protected static boolean putString(ContentResolver resolver, Uri uri,
659                String name, String value) {
660            // The database will take care of replacing duplicates.
661            try {
662                ContentValues values = new ContentValues();
663                values.put(NAME, name);
664                values.put(VALUE, value);
665                resolver.insert(uri, values);
666                return true;
667            } catch (SQLException e) {
668                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
669                return false;
670            }
671        }
672
673        public static Uri getUriFor(Uri uri, String name) {
674            return Uri.withAppendedPath(uri, name);
675        }
676    }
677
678    // Thread-safe.
679    private static class NameValueCache {
680        private final String mVersionSystemProperty;
681        private final Uri mUri;
682
683        private static final String[] SELECT_VALUE =
684            new String[] { Settings.NameValueTable.VALUE };
685        private static final String NAME_EQ_PLACEHOLDER = "name=?";
686
687        // Must synchronize on 'this' to access mValues and mValuesVersion.
688        private final HashMap<String, String> mValues = new HashMap<String, String>();
689        private long mValuesVersion = 0;
690
691        // Initially null; set lazily and held forever.  Synchronized on 'this'.
692        private IContentProvider mContentProvider = null;
693
694        // The method we'll call (or null, to not use) on the provider
695        // for the fast path of retrieving settings.
696        private final String mCallCommand;
697
698        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
699            mVersionSystemProperty = versionSystemProperty;
700            mUri = uri;
701            mCallCommand = callCommand;
702        }
703
704        public String getString(ContentResolver cr, String name) {
705            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
706
707            synchronized (this) {
708                if (mValuesVersion != newValuesVersion) {
709                    if (LOCAL_LOGV) {
710                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
711                                newValuesVersion + " != cached " + mValuesVersion);
712                    }
713
714                    mValues.clear();
715                    mValuesVersion = newValuesVersion;
716                }
717
718                if (mValues.containsKey(name)) {
719                    return mValues.get(name);  // Could be null, that's OK -- negative caching
720                }
721            }
722
723            IContentProvider cp = null;
724            synchronized (this) {
725                cp = mContentProvider;
726                if (cp == null) {
727                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
728                }
729            }
730
731            // Try the fast path first, not using query().  If this
732            // fails (alternate Settings provider that doesn't support
733            // this interface?) then we fall back to the query/table
734            // interface.
735            if (mCallCommand != null) {
736                try {
737                    Bundle b = cp.call(mCallCommand, name, null);
738                    if (b != null) {
739                        String value = b.getPairValue();
740                        synchronized (this) {
741                            mValues.put(name, value);
742                        }
743                        return value;
744                    }
745                    // If the response Bundle is null, we fall through
746                    // to the query interface below.
747                } catch (RemoteException e) {
748                    // Not supported by the remote side?  Fall through
749                    // to query().
750                }
751            }
752
753            Cursor c = null;
754            try {
755                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
756                             new String[]{name}, null, null);
757                if (c == null) {
758                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
759                    return null;
760                }
761
762                String value = c.moveToNext() ? c.getString(0) : null;
763                synchronized (this) {
764                    mValues.put(name, value);
765                }
766                if (LOCAL_LOGV) {
767                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
768                            name + " = " + (value == null ? "(null)" : value));
769                }
770                return value;
771            } catch (RemoteException e) {
772                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
773                return null;  // Return null, but don't cache it.
774            } finally {
775                if (c != null) c.close();
776            }
777        }
778    }
779
780    /**
781     * System settings, containing miscellaneous system preferences.  This
782     * table holds simple name/value pairs.  There are convenience
783     * functions for accessing individual settings entries.
784     */
785    public static final class System extends NameValueTable {
786        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
787
788        // Populated lazily, guarded by class object:
789        private static NameValueCache sNameValueCache = null;
790
791        private static final HashSet<String> MOVED_TO_SECURE;
792        static {
793            MOVED_TO_SECURE = new HashSet<String>(30);
794            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
795            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
796            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
797            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
798            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
799            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
800            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
801            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
802            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
803            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
804            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
805            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
806            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
807            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
808            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
809            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
810            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
811            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
812            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
813            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
814            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
815            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
816            MOVED_TO_SECURE.add(Secure.WIFI_ON);
817            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
818            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
819            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
820            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
821            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
822            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
823            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
824            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
825            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
826            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
827            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
828        }
829
830        /**
831         * Look up a name in the database.
832         * @param resolver to access the database with
833         * @param name to look up in the table
834         * @return the corresponding value, or null if not present
835         */
836        public synchronized static String getString(ContentResolver resolver, String name) {
837            if (MOVED_TO_SECURE.contains(name)) {
838                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
839                        + " to android.provider.Settings.Secure, returning read-only value.");
840                return Secure.getString(resolver, name);
841            }
842            if (sNameValueCache == null) {
843                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
844                                                     CALL_METHOD_GET_SYSTEM);
845            }
846            return sNameValueCache.getString(resolver, name);
847        }
848
849        /**
850         * Store a name/value pair into the database.
851         * @param resolver to access the database with
852         * @param name to store
853         * @param value to associate with the name
854         * @return true if the value was set, false on database errors
855         */
856        public static boolean putString(ContentResolver resolver, String name, String value) {
857            if (MOVED_TO_SECURE.contains(name)) {
858                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
859                        + " to android.provider.Settings.Secure, value is unchanged.");
860                return false;
861            }
862            return putString(resolver, CONTENT_URI, name, value);
863        }
864
865        /**
866         * Construct the content URI for a particular name/value pair,
867         * useful for monitoring changes with a ContentObserver.
868         * @param name to look up in the table
869         * @return the corresponding content URI, or null if not present
870         */
871        public static Uri getUriFor(String name) {
872            if (MOVED_TO_SECURE.contains(name)) {
873                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
874                    + " to android.provider.Settings.Secure, returning Secure URI.");
875                return Secure.getUriFor(Secure.CONTENT_URI, name);
876            }
877            return getUriFor(CONTENT_URI, name);
878        }
879
880        /**
881         * Convenience function for retrieving a single system settings value
882         * as an integer.  Note that internally setting values are always
883         * stored as strings; this function converts the string to an integer
884         * for you.  The default value will be returned if the setting is
885         * not defined or not an integer.
886         *
887         * @param cr The ContentResolver to access.
888         * @param name The name of the setting to retrieve.
889         * @param def Value to return if the setting is not defined.
890         *
891         * @return The setting's current value, or 'def' if it is not defined
892         * or not a valid integer.
893         */
894        public static int getInt(ContentResolver cr, String name, int def) {
895            String v = getString(cr, name);
896            try {
897                return v != null ? Integer.parseInt(v) : def;
898            } catch (NumberFormatException e) {
899                return def;
900            }
901        }
902
903        /**
904         * Convenience function for retrieving a single system settings value
905         * as an integer.  Note that internally setting values are always
906         * stored as strings; this function converts the string to an integer
907         * for you.
908         * <p>
909         * This version does not take a default value.  If the setting has not
910         * been set, or the string value is not a number,
911         * it throws {@link SettingNotFoundException}.
912         *
913         * @param cr The ContentResolver to access.
914         * @param name The name of the setting to retrieve.
915         *
916         * @throws SettingNotFoundException Thrown if a setting by the given
917         * name can't be found or the setting value is not an integer.
918         *
919         * @return The setting's current value.
920         */
921        public static int getInt(ContentResolver cr, String name)
922                throws SettingNotFoundException {
923            String v = getString(cr, name);
924            try {
925                return Integer.parseInt(v);
926            } catch (NumberFormatException e) {
927                throw new SettingNotFoundException(name);
928            }
929        }
930
931        /**
932         * Convenience function for updating a single settings value as an
933         * integer. This will either create a new entry in the table if the
934         * given name does not exist, or modify the value of the existing row
935         * with that name.  Note that internally setting values are always
936         * stored as strings, so this function converts the given value to a
937         * string before storing it.
938         *
939         * @param cr The ContentResolver to access.
940         * @param name The name of the setting to modify.
941         * @param value The new value for the setting.
942         * @return true if the value was set, false on database errors
943         */
944        public static boolean putInt(ContentResolver cr, String name, int value) {
945            return putString(cr, name, Integer.toString(value));
946        }
947
948        /**
949         * Convenience function for retrieving a single system settings value
950         * as a {@code long}.  Note that internally setting values are always
951         * stored as strings; this function converts the string to a {@code long}
952         * for you.  The default value will be returned if the setting is
953         * not defined or not a {@code long}.
954         *
955         * @param cr The ContentResolver to access.
956         * @param name The name of the setting to retrieve.
957         * @param def Value to return if the setting is not defined.
958         *
959         * @return The setting's current value, or 'def' if it is not defined
960         * or not a valid {@code long}.
961         */
962        public static long getLong(ContentResolver cr, String name, long def) {
963            String valString = getString(cr, name);
964            long value;
965            try {
966                value = valString != null ? Long.parseLong(valString) : def;
967            } catch (NumberFormatException e) {
968                value = def;
969            }
970            return value;
971        }
972
973        /**
974         * Convenience function for retrieving a single system settings value
975         * as a {@code long}.  Note that internally setting values are always
976         * stored as strings; this function converts the string to a {@code long}
977         * for you.
978         * <p>
979         * This version does not take a default value.  If the setting has not
980         * been set, or the string value is not a number,
981         * it throws {@link SettingNotFoundException}.
982         *
983         * @param cr The ContentResolver to access.
984         * @param name The name of the setting to retrieve.
985         *
986         * @return The setting's current value.
987         * @throws SettingNotFoundException Thrown if a setting by the given
988         * name can't be found or the setting value is not an integer.
989         */
990        public static long getLong(ContentResolver cr, String name)
991                throws SettingNotFoundException {
992            String valString = getString(cr, name);
993            try {
994                return Long.parseLong(valString);
995            } catch (NumberFormatException e) {
996                throw new SettingNotFoundException(name);
997            }
998        }
999
1000        /**
1001         * Convenience function for updating a single settings value as a long
1002         * integer. This will either create a new entry in the table if the
1003         * given name does not exist, or modify the value of the existing row
1004         * with that name.  Note that internally setting values are always
1005         * stored as strings, so this function converts the given value to a
1006         * string before storing it.
1007         *
1008         * @param cr The ContentResolver to access.
1009         * @param name The name of the setting to modify.
1010         * @param value The new value for the setting.
1011         * @return true if the value was set, false on database errors
1012         */
1013        public static boolean putLong(ContentResolver cr, String name, long value) {
1014            return putString(cr, name, Long.toString(value));
1015        }
1016
1017        /**
1018         * Convenience function for retrieving a single system settings value
1019         * as a floating point number.  Note that internally setting values are
1020         * always stored as strings; this function converts the string to an
1021         * float for you. The default value will be returned if the setting
1022         * is not defined or not a valid float.
1023         *
1024         * @param cr The ContentResolver to access.
1025         * @param name The name of the setting to retrieve.
1026         * @param def Value to return if the setting is not defined.
1027         *
1028         * @return The setting's current value, or 'def' if it is not defined
1029         * or not a valid float.
1030         */
1031        public static float getFloat(ContentResolver cr, String name, float def) {
1032            String v = getString(cr, name);
1033            try {
1034                return v != null ? Float.parseFloat(v) : def;
1035            } catch (NumberFormatException e) {
1036                return def;
1037            }
1038        }
1039
1040        /**
1041         * Convenience function for retrieving a single system settings value
1042         * as a float.  Note that internally setting values are always
1043         * stored as strings; this function converts the string to a float
1044         * for you.
1045         * <p>
1046         * This version does not take a default value.  If the setting has not
1047         * been set, or the string value is not a number,
1048         * it throws {@link SettingNotFoundException}.
1049         *
1050         * @param cr The ContentResolver to access.
1051         * @param name The name of the setting to retrieve.
1052         *
1053         * @throws SettingNotFoundException Thrown if a setting by the given
1054         * name can't be found or the setting value is not a float.
1055         *
1056         * @return The setting's current value.
1057         */
1058        public static float getFloat(ContentResolver cr, String name)
1059                throws SettingNotFoundException {
1060            String v = getString(cr, name);
1061            if (v == null) {
1062                throw new SettingNotFoundException(name);
1063            }
1064            try {
1065                return Float.parseFloat(v);
1066            } catch (NumberFormatException e) {
1067                throw new SettingNotFoundException(name);
1068            }
1069        }
1070
1071        /**
1072         * Convenience function for updating a single settings value as a
1073         * floating point number. This will either create a new entry in the
1074         * table if the given name does not exist, or modify the value of the
1075         * existing row with that name.  Note that internally setting values
1076         * are always stored as strings, so this function converts the given
1077         * value to a string before storing it.
1078         *
1079         * @param cr The ContentResolver to access.
1080         * @param name The name of the setting to modify.
1081         * @param value The new value for the setting.
1082         * @return true if the value was set, false on database errors
1083         */
1084        public static boolean putFloat(ContentResolver cr, String name, float value) {
1085            return putString(cr, name, Float.toString(value));
1086        }
1087
1088        /**
1089         * Convenience function to read all of the current
1090         * configuration-related settings into a
1091         * {@link Configuration} object.
1092         *
1093         * @param cr The ContentResolver to access.
1094         * @param outConfig Where to place the configuration settings.
1095         */
1096        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1097            outConfig.fontScale = Settings.System.getFloat(
1098                cr, FONT_SCALE, outConfig.fontScale);
1099            if (outConfig.fontScale < 0) {
1100                outConfig.fontScale = 1;
1101            }
1102        }
1103
1104        /**
1105         * @hide Erase the fields in the Configuration that should be applied
1106         * by the settings.
1107         */
1108        public static void clearConfiguration(Configuration inoutConfig) {
1109            inoutConfig.fontScale = 0;
1110        }
1111
1112        /**
1113         * Convenience function to write a batch of configuration-related
1114         * settings from a {@link Configuration} object.
1115         *
1116         * @param cr The ContentResolver to access.
1117         * @param config The settings to write.
1118         * @return true if the values were set, false on database errors
1119         */
1120        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1121            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1122        }
1123
1124        /** @hide */
1125        public static boolean hasInterestingConfigurationChanges(int changes) {
1126            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1127        }
1128
1129        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1130            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1131        }
1132
1133        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1134            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1135        }
1136
1137        /**
1138         * The content:// style URL for this table
1139         */
1140        public static final Uri CONTENT_URI =
1141            Uri.parse("content://" + AUTHORITY + "/system");
1142
1143        /**
1144         * Whether we keep the device on while the device is plugged in.
1145         * Supported values are:
1146         * <ul>
1147         * <li>{@code 0} to never stay on while plugged in</li>
1148         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1149         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1150         * </ul>
1151         * These values can be OR-ed together.
1152         */
1153        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1154
1155        /**
1156         * What happens when the user presses the end call button if they're not
1157         * on a call.<br/>
1158         * <b>Values:</b><br/>
1159         * 0 - The end button does nothing.<br/>
1160         * 1 - The end button goes to the home screen.<br/>
1161         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1162         * 3 - The end button goes to the home screen.  If the user is already on the
1163         * home screen, it puts the device to sleep.
1164         */
1165        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1166
1167        /**
1168         * END_BUTTON_BEHAVIOR value for "go home".
1169         * @hide
1170         */
1171        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1172
1173        /**
1174         * END_BUTTON_BEHAVIOR value for "go to sleep".
1175         * @hide
1176         */
1177        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1178
1179        /**
1180         * END_BUTTON_BEHAVIOR default value.
1181         * @hide
1182         */
1183        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1184
1185        /**
1186         * Is advanced settings mode turned on. 0 == no, 1 == yes
1187         * @hide
1188         */
1189        public static final String ADVANCED_SETTINGS = "advanced_settings";
1190
1191        /**
1192         * ADVANCED_SETTINGS default value.
1193         * @hide
1194         */
1195        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1196
1197        /**
1198         * Whether Airplane Mode is on.
1199         */
1200        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1201
1202        /**
1203         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1204         */
1205        public static final String RADIO_BLUETOOTH = "bluetooth";
1206
1207        /**
1208         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1209         */
1210        public static final String RADIO_WIFI = "wifi";
1211
1212        /**
1213         * {@hide}
1214         */
1215        public static final String RADIO_WIMAX = "wimax";
1216        /**
1217         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1218         */
1219        public static final String RADIO_CELL = "cell";
1220
1221        /**
1222         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
1223         */
1224        public static final String RADIO_NFC = "nfc";
1225
1226        /**
1227         * A comma separated list of radios that need to be disabled when airplane mode
1228         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1229         * included in the comma separated list.
1230         */
1231        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1232
1233        /**
1234         * A comma separated list of radios that should to be disabled when airplane mode
1235         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1236         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1237         * will be turned off when entering airplane mode, but the user will be able to reenable
1238         * Wifi in the Settings app.
1239         *
1240         * {@hide}
1241         */
1242        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1243
1244        /**
1245         * The policy for deciding when Wi-Fi should go to sleep (which will in
1246         * turn switch to using the mobile data as an Internet connection).
1247         * <p>
1248         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1249         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1250         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1251         */
1252        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1253
1254        /**
1255         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1256         * policy, which is to sleep shortly after the turning off
1257         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1258         */
1259        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1260
1261        /**
1262         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1263         * the device is on battery, and never go to sleep when the device is
1264         * plugged in.
1265         */
1266        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1267
1268        /**
1269         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1270         */
1271        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1272
1273        //TODO: deprecate static IP constants
1274        /**
1275         * Whether to use static IP and other static network attributes.
1276         * <p>
1277         * Set to 1 for true and 0 for false.
1278         */
1279        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1280
1281        /**
1282         * The static IP address.
1283         * <p>
1284         * Example: "192.168.1.51"
1285         */
1286        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1287
1288        /**
1289         * If using static IP, the gateway's IP address.
1290         * <p>
1291         * Example: "192.168.1.1"
1292         */
1293        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1294
1295        /**
1296         * If using static IP, the net mask.
1297         * <p>
1298         * Example: "255.255.255.0"
1299         */
1300        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1301
1302        /**
1303         * If using static IP, the primary DNS's IP address.
1304         * <p>
1305         * Example: "192.168.1.1"
1306         */
1307        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1308
1309        /**
1310         * If using static IP, the secondary DNS's IP address.
1311         * <p>
1312         * Example: "192.168.1.2"
1313         */
1314        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1315
1316
1317        /**
1318         * Determines whether remote devices may discover and/or connect to
1319         * this device.
1320         * <P>Type: INT</P>
1321         * 2 -- discoverable and connectable
1322         * 1 -- connectable but not discoverable
1323         * 0 -- neither connectable nor discoverable
1324         */
1325        public static final String BLUETOOTH_DISCOVERABILITY =
1326            "bluetooth_discoverability";
1327
1328        /**
1329         * Bluetooth discoverability timeout.  If this value is nonzero, then
1330         * Bluetooth becomes discoverable for a certain number of seconds,
1331         * after which is becomes simply connectable.  The value is in seconds.
1332         */
1333        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1334            "bluetooth_discoverability_timeout";
1335
1336        /**
1337         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1338         * instead
1339         */
1340        @Deprecated
1341        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1342
1343        /**
1344         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1345         * instead
1346         */
1347        @Deprecated
1348        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1349
1350        /**
1351         * @deprecated Use
1352         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1353         * instead
1354         */
1355        @Deprecated
1356        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1357            "lock_pattern_tactile_feedback_enabled";
1358
1359
1360        /**
1361         * A formatted string of the next alarm that is set, or the empty string
1362         * if there is no alarm set.
1363         */
1364        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1365
1366        /**
1367         * Scaling factor for fonts, float.
1368         */
1369        public static final String FONT_SCALE = "font_scale";
1370
1371        /**
1372         * Name of an application package to be debugged.
1373         */
1374        public static final String DEBUG_APP = "debug_app";
1375
1376        /**
1377         * If 1, when launching DEBUG_APP it will wait for the debugger before
1378         * starting user code.  If 0, it will run normally.
1379         */
1380        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1381
1382        /**
1383         * Whether or not to dim the screen. 0=no  1=yes
1384         */
1385        public static final String DIM_SCREEN = "dim_screen";
1386
1387        /**
1388         * The timeout before the screen turns off.
1389         */
1390        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1391
1392        /**
1393         * If 0, the compatibility mode is off for all applications.
1394         * If 1, older applications run under compatibility mode.
1395         * TODO: remove this settings before code freeze (bug/1907571)
1396         * @hide
1397         */
1398        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1399
1400        /**
1401         * The screen backlight brightness between 0 and 255.
1402         */
1403        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1404
1405        /**
1406         * Control whether to enable automatic brightness mode.
1407         */
1408        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1409
1410        /**
1411         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
1412         * or less (<0.0 >-1.0) bright.
1413         * @hide
1414         */
1415        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
1416
1417        /**
1418         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1419         */
1420        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1421
1422        /**
1423         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
1424         */
1425        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1426
1427        /**
1428         * Control whether the process CPU usage meter should be shown.
1429         */
1430        public static final String SHOW_PROCESSES = "show_processes";
1431
1432        /**
1433         * If 1, the activity manager will aggressively finish activities and
1434         * processes as soon as they are no longer needed.  If 0, the normal
1435         * extended lifetime is used.
1436         */
1437        public static final String ALWAYS_FINISH_ACTIVITIES =
1438                "always_finish_activities";
1439
1440
1441        /**
1442         * Ringer mode. This is used internally, changing this value will not
1443         * change the ringer mode. See AudioManager.
1444         */
1445        public static final String MODE_RINGER = "mode_ringer";
1446
1447        /**
1448         * Determines which streams are affected by ringer mode changes. The
1449         * stream type's bit should be set to 1 if it should be muted when going
1450         * into an inaudible ringer mode.
1451         */
1452        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1453
1454         /**
1455          * Determines which streams are affected by mute. The
1456          * stream type's bit should be set to 1 if it should be muted when a mute request
1457          * is received.
1458          */
1459         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1460
1461        /**
1462         * Whether vibrate is on for different events. This is used internally,
1463         * changing this value will not change the vibrate. See AudioManager.
1464         */
1465        public static final String VIBRATE_ON = "vibrate_on";
1466
1467        /**
1468         * If 1, redirects the system vibrator to all currently attached input devices
1469         * that support vibration.  If there are no such input devices, then the system
1470         * vibrator is used instead.
1471         * If 0, does not register the system vibrator.
1472         *
1473         * This setting is mainly intended to provide a compatibility mechanism for
1474         * applications that only know about the system vibrator and do not use the
1475         * input device vibrator API.
1476         *
1477         * @hide
1478         */
1479        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
1480
1481        /**
1482         * Ringer volume. This is used internally, changing this value will not
1483         * change the volume. See AudioManager.
1484         */
1485        public static final String VOLUME_RING = "volume_ring";
1486
1487        /**
1488         * System/notifications volume. This is used internally, changing this
1489         * value will not change the volume. See AudioManager.
1490         */
1491        public static final String VOLUME_SYSTEM = "volume_system";
1492
1493        /**
1494         * Voice call volume. This is used internally, changing this value will
1495         * not change the volume. See AudioManager.
1496         */
1497        public static final String VOLUME_VOICE = "volume_voice";
1498
1499        /**
1500         * Music/media/gaming volume. This is used internally, changing this
1501         * value will not change the volume. See AudioManager.
1502         */
1503        public static final String VOLUME_MUSIC = "volume_music";
1504
1505        /**
1506         * Alarm volume. This is used internally, changing this
1507         * value will not change the volume. See AudioManager.
1508         */
1509        public static final String VOLUME_ALARM = "volume_alarm";
1510
1511        /**
1512         * Notification volume. This is used internally, changing this
1513         * value will not change the volume. See AudioManager.
1514         */
1515        public static final String VOLUME_NOTIFICATION = "volume_notification";
1516
1517        /**
1518         * Bluetooth Headset volume. This is used internally, changing this value will
1519         * not change the volume. See AudioManager.
1520         */
1521        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1522
1523        /**
1524         * Master volume (float in the range 0.0f to 1.0f).
1525         * @hide
1526         */
1527        public static final String VOLUME_MASTER = "volume_master";
1528
1529        /**
1530         * Master volume mute (int 1 = mute, 0 = not muted).
1531         *
1532         * @hide
1533         */
1534        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
1535
1536        /**
1537         * Whether the notifications should use the ring volume (value of 1) or
1538         * a separate notification volume (value of 0). In most cases, users
1539         * will have this enabled so the notification and ringer volumes will be
1540         * the same. However, power users can disable this and use the separate
1541         * notification volume control.
1542         * <p>
1543         * Note: This is a one-off setting that will be removed in the future
1544         * when there is profile support. For this reason, it is kept hidden
1545         * from the public APIs.
1546         *
1547         * @hide
1548         * @deprecated
1549         */
1550        @Deprecated
1551        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1552            "notifications_use_ring_volume";
1553
1554        /**
1555         * Whether silent mode should allow vibration feedback. This is used
1556         * internally in AudioService and the Sound settings activity to
1557         * coordinate decoupling of vibrate and silent modes. This setting
1558         * will likely be removed in a future release with support for
1559         * audio/vibe feedback profiles.
1560         *
1561         * Not used anymore. On devices with vibrator, the user explicitly selects
1562         * silent or vibrate mode.
1563         * Kept for use by legacy database upgrade code in DatabaseHelper.
1564         * @hide
1565         */
1566        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1567
1568        /**
1569         * The mapping of stream type (integer) to its setting.
1570         */
1571        public static final String[] VOLUME_SETTINGS = {
1572            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1573            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1574        };
1575
1576        /**
1577         * Appended to various volume related settings to record the previous
1578         * values before they the settings were affected by a silent/vibrate
1579         * ringer mode change.
1580         */
1581        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1582
1583        /**
1584         * Persistent store for the system-wide default ringtone URI.
1585         * <p>
1586         * If you need to play the default ringtone at any given time, it is recommended
1587         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1588         * to the set default ringtone at the time of playing.
1589         *
1590         * @see #DEFAULT_RINGTONE_URI
1591         */
1592        public static final String RINGTONE = "ringtone";
1593
1594        /**
1595         * A {@link Uri} that will point to the current default ringtone at any
1596         * given time.
1597         * <p>
1598         * If the current default ringtone is in the DRM provider and the caller
1599         * does not have permission, the exception will be a
1600         * FileNotFoundException.
1601         */
1602        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1603
1604        /**
1605         * Persistent store for the system-wide default notification sound.
1606         *
1607         * @see #RINGTONE
1608         * @see #DEFAULT_NOTIFICATION_URI
1609         */
1610        public static final String NOTIFICATION_SOUND = "notification_sound";
1611
1612        /**
1613         * A {@link Uri} that will point to the current default notification
1614         * sound at any given time.
1615         *
1616         * @see #DEFAULT_RINGTONE_URI
1617         */
1618        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1619
1620        /**
1621         * Persistent store for the system-wide default alarm alert.
1622         *
1623         * @see #RINGTONE
1624         * @see #DEFAULT_ALARM_ALERT_URI
1625         */
1626        public static final String ALARM_ALERT = "alarm_alert";
1627
1628        /**
1629         * A {@link Uri} that will point to the current default alarm alert at
1630         * any given time.
1631         *
1632         * @see #DEFAULT_ALARM_ALERT_URI
1633         */
1634        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1635
1636        /**
1637         * Persistent store for the system default media button event receiver.
1638         *
1639         * @hide
1640         */
1641        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1642
1643        /**
1644         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1645         */
1646        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1647
1648        /**
1649         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1650         */
1651        public static final String TEXT_AUTO_CAPS = "auto_caps";
1652
1653        /**
1654         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1655         * feature converts two spaces to a "." and space.
1656         */
1657        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1658
1659        /**
1660         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1661         */
1662        public static final String TEXT_SHOW_PASSWORD = "show_password";
1663
1664        public static final String SHOW_GTALK_SERVICE_STATUS =
1665                "SHOW_GTALK_SERVICE_STATUS";
1666
1667        /**
1668         * Name of activity to use for wallpaper on the home screen.
1669         */
1670        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1671
1672        /**
1673         * Value to specify if the user prefers the date, time and time zone
1674         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1675         */
1676        public static final String AUTO_TIME = "auto_time";
1677
1678        /**
1679         * Value to specify if the user prefers the time zone
1680         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1681         */
1682        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1683
1684        /**
1685         * Display times as 12 or 24 hours
1686         *   12
1687         *   24
1688         */
1689        public static final String TIME_12_24 = "time_12_24";
1690
1691        /**
1692         * Date format string
1693         *   mm/dd/yyyy
1694         *   dd/mm/yyyy
1695         *   yyyy/mm/dd
1696         */
1697        public static final String DATE_FORMAT = "date_format";
1698
1699        /**
1700         * Whether the setup wizard has been run before (on first boot), or if
1701         * it still needs to be run.
1702         *
1703         * nonzero = it has been run in the past
1704         * 0 = it has not been run in the past
1705         */
1706        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1707
1708        /**
1709         * Scaling factor for normal window animations. Setting to 0 will disable window
1710         * animations.
1711         */
1712        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1713
1714        /**
1715         * Scaling factor for activity transition animations. Setting to 0 will disable window
1716         * animations.
1717         */
1718        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1719
1720        /**
1721         * Scaling factor for Animator-based animations. This affects both the start delay and
1722         * duration of all such animations. Setting to 0 will cause animations to end immediately.
1723         * The default value is 1.
1724         */
1725        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
1726
1727        /**
1728         * Scaling factor for normal window animations. Setting to 0 will disable window
1729         * animations.
1730         * @hide
1731         */
1732        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1733
1734        /**
1735         * Control whether the accelerometer will be used to change screen
1736         * orientation.  If 0, it will not be used unless explicitly requested
1737         * by the application; if 1, it will be used by default unless explicitly
1738         * disabled by the application.
1739         */
1740        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1741
1742        /**
1743         * Default screen rotation when no other policy applies.
1744         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1745         * preference, this rotation value will be used. Must be one of the
1746         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1747         *
1748         * @see Display#getRotation
1749         */
1750        public static final String USER_ROTATION = "user_rotation";
1751
1752        /**
1753         * Control whether the rotation lock toggle in the System UI should be hidden.
1754         * Typically this is done for accessibility purposes to make it harder for
1755         * the user to accidentally toggle the rotation lock while the display rotation
1756         * has been locked for accessibility.
1757         *
1758         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
1759         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
1760         *
1761         * @hide
1762         */
1763        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
1764                "hide_rotation_lock_toggle_for_accessibility";
1765
1766        /**
1767         * Whether the phone vibrates when it is ringing due to an incoming call. This will
1768         * be used by Phone and Setting apps; it shouldn't affect other apps.
1769         * The value is boolean (1 or 0).
1770         *
1771         * Note: this is not same as "vibrate on ring", which had been available until ICS.
1772         * It was about AudioManager's setting and thus affected all the applications which
1773         * relied on the setting, while this is purely about the vibration setting for incoming
1774         * calls.
1775         *
1776         * @hide
1777         */
1778        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
1779
1780        /**
1781         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1782         * boolean (1 or 0).
1783         */
1784        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1785
1786        /**
1787         * CDMA only settings
1788         * DTMF tone type played by the dialer when dialing.
1789         *                 0 = Normal
1790         *                 1 = Long
1791         * @hide
1792         */
1793        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1794
1795        /**
1796         * CDMA only settings
1797         * Emergency Tone  0 = Off
1798         *                 1 = Alert
1799         *                 2 = Vibrate
1800         * @hide
1801         */
1802        public static final String EMERGENCY_TONE = "emergency_tone";
1803
1804        /**
1805         * CDMA only settings
1806         * Whether the auto retry is enabled. The value is
1807         * boolean (1 or 0).
1808         * @hide
1809         */
1810        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1811
1812        /**
1813         * Whether the hearing aid is enabled. The value is
1814         * boolean (1 or 0).
1815         * @hide
1816         */
1817        public static final String HEARING_AID = "hearing_aid";
1818
1819        /**
1820         * CDMA only settings
1821         * TTY Mode
1822         * 0 = OFF
1823         * 1 = FULL
1824         * 2 = VCO
1825         * 3 = HCO
1826         * @hide
1827         */
1828        public static final String TTY_MODE = "tty_mode";
1829
1830        /**
1831         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1832         * boolean (1 or 0).
1833         */
1834        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1835
1836        /**
1837         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1838         * boolean (1 or 0).
1839         */
1840        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1841
1842        /**
1843         * @deprecated Each application that shows web suggestions should have its own
1844         * setting for this.
1845         */
1846        @Deprecated
1847        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1848
1849        /**
1850         * Whether the notification LED should repeatedly flash when a notification is
1851         * pending. The value is boolean (1 or 0).
1852         * @hide
1853         */
1854        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1855
1856        /**
1857         * Show pointer location on screen?
1858         * 0 = no
1859         * 1 = yes
1860         * @hide
1861         */
1862        public static final String POINTER_LOCATION = "pointer_location";
1863
1864        /**
1865         * Show touch positions on screen?
1866         * 0 = no
1867         * 1 = yes
1868         * @hide
1869         */
1870        public static final String SHOW_TOUCHES = "show_touches";
1871
1872        /**
1873         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1874         * orientationplot.py tool.
1875         * 0 = no
1876         * 1 = yes
1877         * @hide
1878         */
1879        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1880                "window_orientation_listener_log";
1881
1882        /**
1883         * Whether to play a sound for low-battery alerts.
1884         * @hide
1885         */
1886        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1887
1888        /**
1889         * Whether to play a sound for dock events.
1890         * @hide
1891         */
1892        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1893
1894        /**
1895         * Whether to play sounds when the keyguard is shown and dismissed.
1896         * @hide
1897         */
1898        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1899
1900        /**
1901         * Whether the lockscreen should be completely disabled.
1902         * @hide
1903         */
1904        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
1905
1906        /**
1907         * URI for the low battery sound file.
1908         * @hide
1909         */
1910        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1911
1912        /**
1913         * URI for the desk dock "in" event sound.
1914         * @hide
1915         */
1916        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1917
1918        /**
1919         * URI for the desk dock "out" event sound.
1920         * @hide
1921         */
1922        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1923
1924        /**
1925         * URI for the car dock "in" event sound.
1926         * @hide
1927         */
1928        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1929
1930        /**
1931         * URI for the car dock "out" event sound.
1932         * @hide
1933         */
1934        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1935
1936        /**
1937         * URI for the "device locked" (keyguard shown) sound.
1938         * @hide
1939         */
1940        public static final String LOCK_SOUND = "lock_sound";
1941
1942        /**
1943         * URI for the "device unlocked" (keyguard dismissed) sound.
1944         * @hide
1945         */
1946        public static final String UNLOCK_SOUND = "unlock_sound";
1947
1948        /**
1949         * Receive incoming SIP calls?
1950         * 0 = no
1951         * 1 = yes
1952         * @hide
1953         */
1954        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1955
1956        /**
1957         * Call Preference String.
1958         * "SIP_ALWAYS" : Always use SIP with network access
1959         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1960         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1961         * @hide
1962         */
1963        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1964
1965        /**
1966         * One of the sip call options: Always use SIP with network access.
1967         * @hide
1968         */
1969        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1970
1971        /**
1972         * One of the sip call options: Only if destination is a SIP address.
1973         * @hide
1974         */
1975        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1976
1977        /**
1978         * One of the sip call options: Always ask me each time.
1979         * @hide
1980         */
1981        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1982
1983        /**
1984         * Pointer speed setting.
1985         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1986         *   -7 = slowest
1987         *    0 = default speed
1988         *   +7 = fastest
1989         * @hide
1990         */
1991        public static final String POINTER_SPEED = "pointer_speed";
1992
1993        /**
1994         * Settings to backup. This is here so that it's in the same place as the settings
1995         * keys and easy to update.
1996         *
1997         * NOTE: Settings are backed up and restored in the order they appear
1998         *       in this array. If you have one setting depending on another,
1999         *       make sure that they are ordered appropriately.
2000         *
2001         * @hide
2002         */
2003        public static final String[] SETTINGS_TO_BACKUP = {
2004            STAY_ON_WHILE_PLUGGED_IN,
2005            WIFI_USE_STATIC_IP,
2006            WIFI_STATIC_IP,
2007            WIFI_STATIC_GATEWAY,
2008            WIFI_STATIC_NETMASK,
2009            WIFI_STATIC_DNS1,
2010            WIFI_STATIC_DNS2,
2011            BLUETOOTH_DISCOVERABILITY,
2012            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
2013            DIM_SCREEN,
2014            SCREEN_OFF_TIMEOUT,
2015            SCREEN_BRIGHTNESS,
2016            SCREEN_BRIGHTNESS_MODE,
2017            SCREEN_AUTO_BRIGHTNESS_ADJ,
2018            VIBRATE_INPUT_DEVICES,
2019            MODE_RINGER,
2020            MODE_RINGER_STREAMS_AFFECTED,
2021            MUTE_STREAMS_AFFECTED,
2022            VOLUME_VOICE,
2023            VOLUME_SYSTEM,
2024            VOLUME_RING,
2025            VOLUME_MUSIC,
2026            VOLUME_ALARM,
2027            VOLUME_NOTIFICATION,
2028            VOLUME_BLUETOOTH_SCO,
2029            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
2030            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
2031            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
2032            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
2033            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
2034            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
2035            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
2036            TEXT_AUTO_REPLACE,
2037            TEXT_AUTO_CAPS,
2038            TEXT_AUTO_PUNCTUATE,
2039            TEXT_SHOW_PASSWORD,
2040            AUTO_TIME,
2041            AUTO_TIME_ZONE,
2042            TIME_12_24,
2043            DATE_FORMAT,
2044            ACCELEROMETER_ROTATION,
2045            USER_ROTATION,
2046            HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY,
2047            DTMF_TONE_WHEN_DIALING,
2048            DTMF_TONE_TYPE_WHEN_DIALING,
2049            EMERGENCY_TONE,
2050            CALL_AUTO_RETRY,
2051            HEARING_AID,
2052            TTY_MODE,
2053            SOUND_EFFECTS_ENABLED,
2054            HAPTIC_FEEDBACK_ENABLED,
2055            POWER_SOUNDS_ENABLED,
2056            DOCK_SOUNDS_ENABLED,
2057            LOCKSCREEN_SOUNDS_ENABLED,
2058            SHOW_WEB_SUGGESTIONS,
2059            NOTIFICATION_LIGHT_PULSE,
2060            SIP_CALL_OPTIONS,
2061            SIP_RECEIVE_CALLS,
2062            POINTER_SPEED,
2063            VIBRATE_WHEN_RINGING
2064        };
2065
2066        // Settings moved to Settings.Secure
2067
2068        /**
2069         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
2070         * instead
2071         */
2072        @Deprecated
2073        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
2074
2075        /**
2076         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
2077         */
2078        @Deprecated
2079        public static final String ANDROID_ID = Secure.ANDROID_ID;
2080
2081        /**
2082         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
2083         */
2084        @Deprecated
2085        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
2086
2087        /**
2088         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
2089         */
2090        @Deprecated
2091        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
2092
2093        /**
2094         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
2095         */
2096        @Deprecated
2097        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
2098
2099        /**
2100         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
2101         */
2102        @Deprecated
2103        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
2104
2105        /**
2106         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
2107         */
2108        @Deprecated
2109        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2110
2111        /**
2112         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2113         * instead
2114         */
2115        @Deprecated
2116        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2117
2118        /**
2119         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2120         */
2121        @Deprecated
2122        public static final String LOGGING_ID = Secure.LOGGING_ID;
2123
2124        /**
2125         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2126         */
2127        @Deprecated
2128        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2129
2130        /**
2131         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2132         * instead
2133         */
2134        @Deprecated
2135        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2136
2137        /**
2138         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2139         * instead
2140         */
2141        @Deprecated
2142        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2143
2144        /**
2145         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2146         * instead
2147         */
2148        @Deprecated
2149        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2150            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2151
2152        /**
2153         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2154         */
2155        @Deprecated
2156        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2157
2158        /**
2159         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2160         */
2161        @Deprecated
2162        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2163
2164        /**
2165         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2166         */
2167        @Deprecated
2168        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2169
2170       /**
2171         * @deprecated Use
2172         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2173         */
2174        @Deprecated
2175        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2176
2177        /**
2178         * @deprecated Use
2179         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2180         */
2181        @Deprecated
2182        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2183                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2184
2185        /**
2186         * @deprecated Use
2187         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2188         */
2189        @Deprecated
2190        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2191            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2192
2193        /**
2194         * @deprecated Use
2195         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2196         */
2197        @Deprecated
2198        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2199            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2200
2201        /**
2202         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2203         * instead
2204         */
2205        @Deprecated
2206        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2207
2208        /**
2209         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2210         */
2211        @Deprecated
2212        public static final String WIFI_ON = Secure.WIFI_ON;
2213
2214        /**
2215         * @deprecated Use
2216         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2217         * instead
2218         */
2219        @Deprecated
2220        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2221                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2222
2223        /**
2224         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2225         */
2226        @Deprecated
2227        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2228
2229        /**
2230         * @deprecated Use
2231         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2232         */
2233        @Deprecated
2234        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2235                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2236
2237        /**
2238         * @deprecated Use
2239         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2240         */
2241        @Deprecated
2242        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2243                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2244
2245        /**
2246         * @deprecated Use
2247         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2248         * instead
2249         */
2250        @Deprecated
2251        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2252                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2253
2254        /**
2255         * @deprecated Use
2256         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2257         */
2258        @Deprecated
2259        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2260            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2261
2262        /**
2263         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2264         * instead
2265         */
2266        @Deprecated
2267        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2268
2269        /**
2270         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2271         */
2272        @Deprecated
2273        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2274
2275        /**
2276         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2277         */
2278        @Deprecated
2279        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2280
2281        /**
2282         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2283         * instead
2284         */
2285        @Deprecated
2286        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2287
2288        /**
2289         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2290         * instead
2291         */
2292        @Deprecated
2293        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2294            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2295    }
2296
2297    /**
2298     * Secure system settings, containing system preferences that applications
2299     * can read but are not allowed to write.  These are for preferences that
2300     * the user must explicitly modify through the system UI or specialized
2301     * APIs for those values, not modified directly by applications.
2302     */
2303    public static final class Secure extends NameValueTable {
2304        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2305
2306        // Populated lazily, guarded by class object:
2307        private static NameValueCache sNameValueCache = null;
2308
2309        private static ILockSettings sLockSettings = null;
2310
2311        private static boolean sIsSystemProcess;
2312        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
2313        static {
2314            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
2315            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
2316            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
2317            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
2318        }
2319
2320        /**
2321         * Look up a name in the database.
2322         * @param resolver to access the database with
2323         * @param name to look up in the table
2324         * @return the corresponding value, or null if not present
2325         */
2326        public synchronized static String getString(ContentResolver resolver, String name) {
2327            if (sNameValueCache == null) {
2328                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2329                                                     CALL_METHOD_GET_SECURE);
2330            }
2331
2332            if (sLockSettings == null) {
2333                sLockSettings = ILockSettings.Stub.asInterface(
2334                        (IBinder) ServiceManager.getService("lock_settings"));
2335                sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
2336            }
2337            if (sLockSettings != null && !sIsSystemProcess
2338                    && MOVED_TO_LOCK_SETTINGS.contains(name)) {
2339                try {
2340                    return sLockSettings.getString(name, "0", UserId.getCallingUserId());
2341                } catch (RemoteException re) {
2342                    // Fall through
2343                }
2344            }
2345
2346            return sNameValueCache.getString(resolver, name);
2347        }
2348
2349        /**
2350         * Store a name/value pair into the database.
2351         * @param resolver to access the database with
2352         * @param name to store
2353         * @param value to associate with the name
2354         * @return true if the value was set, false on database errors
2355         */
2356        public static boolean putString(ContentResolver resolver,
2357                String name, String value) {
2358            return putString(resolver, CONTENT_URI, name, value);
2359        }
2360
2361        /**
2362         * Construct the content URI for a particular name/value pair,
2363         * useful for monitoring changes with a ContentObserver.
2364         * @param name to look up in the table
2365         * @return the corresponding content URI, or null if not present
2366         */
2367        public static Uri getUriFor(String name) {
2368            return getUriFor(CONTENT_URI, name);
2369        }
2370
2371        /**
2372         * Convenience function for retrieving a single secure settings value
2373         * as an integer.  Note that internally setting values are always
2374         * stored as strings; this function converts the string to an integer
2375         * for you.  The default value will be returned if the setting is
2376         * not defined or not an integer.
2377         *
2378         * @param cr The ContentResolver to access.
2379         * @param name The name of the setting to retrieve.
2380         * @param def Value to return if the setting is not defined.
2381         *
2382         * @return The setting's current value, or 'def' if it is not defined
2383         * or not a valid integer.
2384         */
2385        public static int getInt(ContentResolver cr, String name, int def) {
2386            String v = getString(cr, name);
2387            try {
2388                return v != null ? Integer.parseInt(v) : def;
2389            } catch (NumberFormatException e) {
2390                return def;
2391            }
2392        }
2393
2394        /**
2395         * Convenience function for retrieving a single secure settings value
2396         * as an integer.  Note that internally setting values are always
2397         * stored as strings; this function converts the string to an integer
2398         * for you.
2399         * <p>
2400         * This version does not take a default value.  If the setting has not
2401         * been set, or the string value is not a number,
2402         * it throws {@link SettingNotFoundException}.
2403         *
2404         * @param cr The ContentResolver to access.
2405         * @param name The name of the setting to retrieve.
2406         *
2407         * @throws SettingNotFoundException Thrown if a setting by the given
2408         * name can't be found or the setting value is not an integer.
2409         *
2410         * @return The setting's current value.
2411         */
2412        public static int getInt(ContentResolver cr, String name)
2413                throws SettingNotFoundException {
2414            String v = getString(cr, name);
2415            try {
2416                return Integer.parseInt(v);
2417            } catch (NumberFormatException e) {
2418                throw new SettingNotFoundException(name);
2419            }
2420        }
2421
2422        /**
2423         * Convenience function for updating a single settings value as an
2424         * integer. This will either create a new entry in the table if the
2425         * given name does not exist, or modify the value of the existing row
2426         * with that name.  Note that internally setting values are always
2427         * stored as strings, so this function converts the given value to a
2428         * string before storing it.
2429         *
2430         * @param cr The ContentResolver to access.
2431         * @param name The name of the setting to modify.
2432         * @param value The new value for the setting.
2433         * @return true if the value was set, false on database errors
2434         */
2435        public static boolean putInt(ContentResolver cr, String name, int value) {
2436            return putString(cr, name, Integer.toString(value));
2437        }
2438
2439        /**
2440         * Convenience function for retrieving a single secure settings value
2441         * as a {@code long}.  Note that internally setting values are always
2442         * stored as strings; this function converts the string to a {@code long}
2443         * for you.  The default value will be returned if the setting is
2444         * not defined or not a {@code long}.
2445         *
2446         * @param cr The ContentResolver to access.
2447         * @param name The name of the setting to retrieve.
2448         * @param def Value to return if the setting is not defined.
2449         *
2450         * @return The setting's current value, or 'def' if it is not defined
2451         * or not a valid {@code long}.
2452         */
2453        public static long getLong(ContentResolver cr, String name, long def) {
2454            String valString = getString(cr, name);
2455            long value;
2456            try {
2457                value = valString != null ? Long.parseLong(valString) : def;
2458            } catch (NumberFormatException e) {
2459                value = def;
2460            }
2461            return value;
2462        }
2463
2464        /**
2465         * Convenience function for retrieving a single secure settings value
2466         * as a {@code long}.  Note that internally setting values are always
2467         * stored as strings; this function converts the string to a {@code long}
2468         * for you.
2469         * <p>
2470         * This version does not take a default value.  If the setting has not
2471         * been set, or the string value is not a number,
2472         * it throws {@link SettingNotFoundException}.
2473         *
2474         * @param cr The ContentResolver to access.
2475         * @param name The name of the setting to retrieve.
2476         *
2477         * @return The setting's current value.
2478         * @throws SettingNotFoundException Thrown if a setting by the given
2479         * name can't be found or the setting value is not an integer.
2480         */
2481        public static long getLong(ContentResolver cr, String name)
2482                throws SettingNotFoundException {
2483            String valString = getString(cr, name);
2484            try {
2485                return Long.parseLong(valString);
2486            } catch (NumberFormatException e) {
2487                throw new SettingNotFoundException(name);
2488            }
2489        }
2490
2491        /**
2492         * Convenience function for updating a secure settings value as a long
2493         * integer. This will either create a new entry in the table if the
2494         * given name does not exist, or modify the value of the existing row
2495         * with that name.  Note that internally setting values are always
2496         * stored as strings, so this function converts the given value to a
2497         * string before storing it.
2498         *
2499         * @param cr The ContentResolver to access.
2500         * @param name The name of the setting to modify.
2501         * @param value The new value for the setting.
2502         * @return true if the value was set, false on database errors
2503         */
2504        public static boolean putLong(ContentResolver cr, String name, long value) {
2505            return putString(cr, name, Long.toString(value));
2506        }
2507
2508        /**
2509         * Convenience function for retrieving a single secure settings value
2510         * as a floating point number.  Note that internally setting values are
2511         * always stored as strings; this function converts the string to an
2512         * float for you. The default value will be returned if the setting
2513         * is not defined or not a valid float.
2514         *
2515         * @param cr The ContentResolver to access.
2516         * @param name The name of the setting to retrieve.
2517         * @param def Value to return if the setting is not defined.
2518         *
2519         * @return The setting's current value, or 'def' if it is not defined
2520         * or not a valid float.
2521         */
2522        public static float getFloat(ContentResolver cr, String name, float def) {
2523            String v = getString(cr, name);
2524            try {
2525                return v != null ? Float.parseFloat(v) : def;
2526            } catch (NumberFormatException e) {
2527                return def;
2528            }
2529        }
2530
2531        /**
2532         * Convenience function for retrieving a single secure settings value
2533         * as a float.  Note that internally setting values are always
2534         * stored as strings; this function converts the string to a float
2535         * for you.
2536         * <p>
2537         * This version does not take a default value.  If the setting has not
2538         * been set, or the string value is not a number,
2539         * it throws {@link SettingNotFoundException}.
2540         *
2541         * @param cr The ContentResolver to access.
2542         * @param name The name of the setting to retrieve.
2543         *
2544         * @throws SettingNotFoundException Thrown if a setting by the given
2545         * name can't be found or the setting value is not a float.
2546         *
2547         * @return The setting's current value.
2548         */
2549        public static float getFloat(ContentResolver cr, String name)
2550                throws SettingNotFoundException {
2551            String v = getString(cr, name);
2552            if (v == null) {
2553                throw new SettingNotFoundException(name);
2554            }
2555            try {
2556                return Float.parseFloat(v);
2557            } catch (NumberFormatException e) {
2558                throw new SettingNotFoundException(name);
2559            }
2560        }
2561
2562        /**
2563         * Convenience function for updating a single settings value as a
2564         * floating point number. This will either create a new entry in the
2565         * table if the given name does not exist, or modify the value of the
2566         * existing row with that name.  Note that internally setting values
2567         * are always stored as strings, so this function converts the given
2568         * value to a string before storing it.
2569         *
2570         * @param cr The ContentResolver to access.
2571         * @param name The name of the setting to modify.
2572         * @param value The new value for the setting.
2573         * @return true if the value was set, false on database errors
2574         */
2575        public static boolean putFloat(ContentResolver cr, String name, float value) {
2576            return putString(cr, name, Float.toString(value));
2577        }
2578
2579        /**
2580         * The content:// style URL for this table
2581         */
2582        public static final Uri CONTENT_URI =
2583            Uri.parse("content://" + AUTHORITY + "/secure");
2584
2585        /**
2586         * Whether user has enabled development settings.
2587         */
2588        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
2589
2590        /**
2591         * Whether ADB is enabled.
2592         */
2593        public static final String ADB_ENABLED = "adb_enabled";
2594
2595        /**
2596         * Setting to allow mock locations and location provider status to be injected into the
2597         * LocationManager service for testing purposes during application development.  These
2598         * locations and status values  override actual location and status information generated
2599         * by network, gps, or other location providers.
2600         */
2601        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2602
2603        /**
2604         * A 64-bit number (as a hex string) that is randomly
2605         * generated on the device's first boot and should remain
2606         * constant for the lifetime of the device.  (The value may
2607         * change if a factory reset is performed on the device.)
2608         */
2609        public static final String ANDROID_ID = "android_id";
2610
2611        /**
2612         * Whether bluetooth is enabled/disabled
2613         * 0=disabled. 1=enabled.
2614         */
2615        public static final String BLUETOOTH_ON = "bluetooth_on";
2616
2617        /**
2618         * Get the key that retrieves a bluetooth headset's priority.
2619         * @hide
2620         */
2621        public static final String getBluetoothHeadsetPriorityKey(String address) {
2622            return ("bluetooth_headset_priority_" + address.toUpperCase());
2623        }
2624
2625        /**
2626         * Get the key that retrieves a bluetooth a2dp sink's priority.
2627         * @hide
2628         */
2629        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2630            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2631        }
2632
2633        /**
2634         * Get the key that retrieves a bluetooth Input Device's priority.
2635         * @hide
2636         */
2637        public static final String getBluetoothInputDevicePriorityKey(String address) {
2638            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2639        }
2640
2641        /**
2642         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2643         */
2644        public static final String DATA_ROAMING = "data_roaming";
2645
2646        /**
2647         * Setting to record the input method used by default, holding the ID
2648         * of the desired method.
2649         */
2650        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2651
2652        /**
2653         * Setting to record the input method subtype used by default, holding the ID
2654         * of the desired method.
2655         */
2656        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2657                "selected_input_method_subtype";
2658
2659        /**
2660         * Setting to record the history of input method subtype, holding the pair of ID of IME
2661         * and its last used subtype.
2662         * @hide
2663         */
2664        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2665                "input_methods_subtype_history";
2666
2667        /**
2668         * Setting to record the visibility of input method selector
2669         */
2670        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2671                "input_method_selector_visibility";
2672
2673        /**
2674         * Whether the device has been provisioned (0 = false, 1 = true)
2675         */
2676        public static final String DEVICE_PROVISIONED = "device_provisioned";
2677
2678        /**
2679         * List of input methods that are currently enabled.  This is a string
2680         * containing the IDs of all enabled input methods, each ID separated
2681         * by ':'.
2682         */
2683        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2684
2685        /**
2686         * List of system input methods that are currently disabled.  This is a string
2687         * containing the IDs of all disabled input methods, each ID separated
2688         * by ':'.
2689         * @hide
2690         */
2691        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2692
2693        /**
2694         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2695         * TODO - deprecate in favor of global_http_proxy_host, etc
2696         */
2697        public static final String HTTP_PROXY = "http_proxy";
2698
2699        /**
2700         * Host name for global http proxy.  Set via ConnectivityManager.
2701         * @hide
2702         */
2703        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2704
2705        /**
2706         * Integer host port for global http proxy.  Set via ConnectivityManager.
2707         * @hide
2708         */
2709        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2710
2711        /**
2712         * Exclusion list for global proxy. This string contains a list of comma-separated
2713         * domains where the global proxy does not apply. Domains should be listed in a comma-
2714         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2715         * Use ConnectivityManager to set/get.
2716         * @hide
2717         */
2718        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2719                "global_http_proxy_exclusion_list";
2720
2721        /**
2722         * Enables the UI setting to allow the user to specify the global HTTP proxy
2723         * and associated exclusion list.
2724         * @hide
2725         */
2726        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2727
2728        /**
2729         * Setting for default DNS in case nobody suggests one
2730         * @hide
2731         */
2732        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2733
2734        /**
2735         * Whether the package installer should allow installation of apps downloaded from
2736         * sources other than Google Play.
2737         *
2738         * 1 = allow installing from other sources
2739         * 0 = only allow installing from Google Play
2740         */
2741        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2742
2743        /**
2744         * Comma-separated list of location providers that activities may access.
2745         */
2746        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2747
2748        /**
2749         * A flag containing settings used for biometric weak
2750         * @hide
2751         */
2752        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
2753                "lock_biometric_weak_flags";
2754
2755        /**
2756         * Whether autolock is enabled (0 = false, 1 = true)
2757         */
2758        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2759
2760        /**
2761         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2762         */
2763        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2764
2765        /**
2766         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2767         */
2768        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2769            "lock_pattern_tactile_feedback_enabled";
2770
2771        /**
2772         * This preference allows the device to be locked given time after screen goes off,
2773         * subject to current DeviceAdmin policy limits.
2774         * @hide
2775         */
2776        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2777
2778
2779        /**
2780         * This preference contains the string that shows for owner info on LockScren.
2781         * @hide
2782         */
2783        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2784
2785        /**
2786         * This preference enables showing the owner info on LockScren.
2787         * @hide
2788         */
2789        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2790            "lock_screen_owner_info_enabled";
2791
2792        /**
2793         * The saved value for WindowManagerService.setForcedDisplaySize().
2794         * Two integers separated by a comma.  If unset, then use the real display size.
2795         * @hide
2796         */
2797        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2798
2799        /**
2800         * Whether assisted GPS should be enabled or not.
2801         * @hide
2802         */
2803        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2804
2805        /**
2806         * The Logging ID (a unique 64-bit value) as a hex string.
2807         * Used as a pseudonymous identifier for logging.
2808         * @deprecated This identifier is poorly initialized and has
2809         * many collisions.  It should not be used.
2810         */
2811        @Deprecated
2812        public static final String LOGGING_ID = "logging_id";
2813
2814        /**
2815         * User preference for which network(s) should be used. Only the
2816         * connectivity service should touch this.
2817         */
2818        public static final String NETWORK_PREFERENCE = "network_preference";
2819
2820        /**
2821         * Used to disable Tethering on a device - defaults to true
2822         * @hide
2823         */
2824        public static final String TETHER_SUPPORTED = "tether_supported";
2825
2826        /**
2827         * Used to require DUN APN on the device or not - defaults to a build config value
2828         * which defaults to false
2829         * @hide
2830         */
2831        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2832
2833        /**
2834         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2835         * corresponding build config values are set it will override the APN DB
2836         * values.
2837         * Consists of a comma seperated list of strings:
2838         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2839         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2840         * @hide
2841         */
2842        public static final String TETHER_DUN_APN = "tether_dun_apn";
2843
2844        /**
2845         * No longer supported.
2846         */
2847        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2848
2849        /**
2850         * No longer supported.
2851         */
2852        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2853
2854        /**
2855         * No longer supported.
2856         */
2857        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2858
2859        /**
2860         * A positive value indicates how often the SamplingProfiler
2861         * should take snapshots. Zero value means SamplingProfiler
2862         * is disabled.
2863         *
2864         * @hide
2865         */
2866        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2867
2868        /**
2869         * Settings classname to launch when Settings is clicked from All
2870         * Applications.  Needed because of user testing between the old
2871         * and new Settings apps.
2872         */
2873        // TODO: 881807
2874        public static final String SETTINGS_CLASSNAME = "settings_classname";
2875
2876        /**
2877         * USB Mass Storage Enabled
2878         */
2879        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2880
2881        /**
2882         * If this setting is set (to anything), then all references
2883         * to Gmail on the device must change to Google Mail.
2884         */
2885        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2886
2887        /**
2888         * If accessibility is enabled.
2889         */
2890        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2891
2892        /**
2893         * If touch exploration is enabled.
2894         */
2895        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2896
2897        /**
2898         * List of the enabled accessibility providers.
2899         */
2900        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2901            "enabled_accessibility_services";
2902
2903        /**
2904         * List of the accessibility services to which the user has graned
2905         * permission to put the device into touch exploration mode.
2906         *
2907         * @hide
2908         */
2909        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
2910            "touch_exploration_granted_accessibility_services";
2911
2912        /**
2913         * Whether to speak passwords while in accessibility mode.
2914         */
2915        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2916
2917        /**
2918         * If injection of accessibility enhancing JavaScript screen-reader
2919         * is enabled.
2920         * <p>
2921         *   Note: The JavaScript based screen-reader is served by the
2922         *   Google infrastructure and enable users with disabilities to
2923         *   efficiantly navigate in and explore web content.
2924         * </p>
2925         * <p>
2926         *   This property represents a boolean value.
2927         * </p>
2928         * @hide
2929         */
2930        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2931            "accessibility_script_injection";
2932
2933        /**
2934         * The URL for the injected JavaScript based screen-reader used
2935         * for providing accessiblity of content in WebView.
2936         * <p>
2937         *   Note: The JavaScript based screen-reader is served by the
2938         *   Google infrastructure and enable users with disabilities to
2939         *   efficiently navigate in and explore web content.
2940         * </p>
2941         * <p>
2942         *   This property represents a string value.
2943         * </p>
2944         * @hide
2945         */
2946        public static final String ACCESSIBILITY_SCREEN_READER_URL =
2947            "accessibility_script_injection_url";
2948
2949        /**
2950         * Key bindings for navigation in built-in accessibility support for web content.
2951         * <p>
2952         *   Note: These key bindings are for the built-in accessibility navigation for
2953         *   web content which is used as a fall back solution if JavaScript in a WebView
2954         *   is not enabled or the user has not opted-in script injection from Google.
2955         * </p>
2956         * <p>
2957         *   The bindings are separated by semi-colon. A binding is a mapping from
2958         *   a key to a sequence of actions (for more details look at
2959         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2960         *   string representation of an integer obtained from a meta state (optional) shifted
2961         *   sixteen times left and bitwise ored with a key code. An action is represented
2962         *   as a hexademical string representation of an integer where the first two digits
2963         *   are navigation action index, the second, the third, and the fourth digit pairs
2964         *   represent the action arguments. The separate actions in a binding are colon
2965         *   separated. The key and the action sequence it maps to are separated by equals.
2966         * </p>
2967         * <p>
2968         *   For example, the binding below maps the DPAD right button to traverse the
2969         *   current navigation axis once without firing an accessibility event and to
2970         *   perform the same traversal again but to fire an event:
2971         *   <code>
2972         *     0x16=0x01000100:0x01000101;
2973         *   </code>
2974         * </p>
2975         * <p>
2976         *   The goal of this binding is to enable dynamic rebinding of keys to
2977         *   navigation actions for web content without requiring a framework change.
2978         * </p>
2979         * <p>
2980         *   This property represents a string value.
2981         * </p>
2982         * @hide
2983         */
2984        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2985            "accessibility_web_content_key_bindings";
2986
2987        /**
2988         * The timout for considering a press to be a long press in milliseconds.
2989         * @hide
2990         */
2991        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2992
2993        /**
2994         * Setting to always use the default text-to-speech settings regardless
2995         * of the application settings.
2996         * 1 = override application settings,
2997         * 0 = use application settings (if specified).
2998         *
2999         * @deprecated  The value of this setting is no longer respected by
3000         * the framework text to speech APIs as of the Ice Cream Sandwich release.
3001         */
3002        @Deprecated
3003        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
3004
3005        /**
3006         * Default text-to-speech engine speech rate. 100 = 1x
3007         */
3008        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
3009
3010        /**
3011         * Default text-to-speech engine pitch. 100 = 1x
3012         */
3013        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
3014
3015        /**
3016         * Default text-to-speech engine.
3017         */
3018        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
3019
3020        /**
3021         * Default text-to-speech language.
3022         *
3023         * @deprecated this setting is no longer in use, as of the Ice Cream
3024         * Sandwich release. Apps should never need to read this setting directly,
3025         * instead can query the TextToSpeech framework classes for the default
3026         * locale. {@link TextToSpeech#getLanguage()}.
3027         */
3028        @Deprecated
3029        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
3030
3031        /**
3032         * Default text-to-speech country.
3033         *
3034         * @deprecated this setting is no longer in use, as of the Ice Cream
3035         * Sandwich release. Apps should never need to read this setting directly,
3036         * instead can query the TextToSpeech framework classes for the default
3037         * locale. {@link TextToSpeech#getLanguage()}.
3038         */
3039        @Deprecated
3040        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
3041
3042        /**
3043         * Default text-to-speech locale variant.
3044         *
3045         * @deprecated this setting is no longer in use, as of the Ice Cream
3046         * Sandwich release. Apps should never need to read this setting directly,
3047         * instead can query the TextToSpeech framework classes for the
3048         * locale that is in use {@link TextToSpeech#getLanguage()}.
3049         */
3050        @Deprecated
3051        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
3052
3053        /**
3054         * Stores the default tts locales on a per engine basis. Stored as
3055         * a comma seperated list of values, each value being of the form
3056         * {@code engine_name:locale} for example,
3057         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
3058         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
3059         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
3060         * setting directly, and can query the TextToSpeech framework classes
3061         * for the locale that is in use.
3062         *
3063         * @hide
3064         */
3065        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
3066
3067        /**
3068         * Space delimited list of plugin packages that are enabled.
3069         */
3070        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
3071
3072        /**
3073         * Whether to notify the user of open networks.
3074         * <p>
3075         * If not connected and the scan results have an open network, we will
3076         * put this notification up. If we attempt to connect to a network or
3077         * the open network(s) disappear, we remove the notification. When we
3078         * show the notification, we will not show it again for
3079         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
3080         */
3081        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3082                "wifi_networks_available_notification_on";
3083        /**
3084         * {@hide}
3085         */
3086        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3087                "wimax_networks_available_notification_on";
3088
3089        /**
3090         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
3091         * Connecting to a network will reset the timer.
3092         */
3093        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3094                "wifi_networks_available_repeat_delay";
3095
3096        /**
3097         * 802.11 country code in ISO 3166 format
3098         * @hide
3099         */
3100        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
3101
3102
3103        /**
3104         * When the number of open networks exceeds this number, the
3105         * least-recently-used excess networks will be removed.
3106         */
3107        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
3108
3109        /**
3110         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
3111         */
3112        public static final String WIFI_ON = "wifi_on";
3113
3114        /**
3115         * Used to save the Wifi_ON state prior to tethering.
3116         * This state will be checked to restore Wifi after
3117         * the user turns off tethering.
3118         *
3119         * @hide
3120         */
3121        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
3122
3123        /**
3124         * AP SSID
3125         *
3126         * @hide
3127         */
3128        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
3129
3130        /**
3131         * AP security
3132         *
3133         * @hide
3134         */
3135        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
3136
3137        /**
3138         * AP passphrase
3139         *
3140         * @hide
3141         */
3142        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
3143
3144        /**
3145         * The acceptable packet loss percentage (range 0 - 100) before trying
3146         * another AP on the same network.
3147         */
3148        @Deprecated
3149        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3150                "wifi_watchdog_acceptable_packet_loss_percentage";
3151
3152        /**
3153         * The number of access points required for a network in order for the
3154         * watchdog to monitor it.
3155         */
3156        @Deprecated
3157        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
3158
3159        /**
3160         * The delay between background checks.
3161         */
3162        @Deprecated
3163        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3164                "wifi_watchdog_background_check_delay_ms";
3165
3166        /**
3167         * Whether the Wi-Fi watchdog is enabled for background checking even
3168         * after it thinks the user has connected to a good access point.
3169         */
3170        @Deprecated
3171        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3172                "wifi_watchdog_background_check_enabled";
3173
3174        /**
3175         * The timeout for a background ping
3176         */
3177        @Deprecated
3178        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3179                "wifi_watchdog_background_check_timeout_ms";
3180
3181        /**
3182         * The number of initial pings to perform that *may* be ignored if they
3183         * fail. Again, if these fail, they will *not* be used in packet loss
3184         * calculation. For example, one network always seemed to time out for
3185         * the first couple pings, so this is set to 3 by default.
3186         */
3187        @Deprecated
3188        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3189            "wifi_watchdog_initial_ignored_ping_count";
3190
3191        /**
3192         * The maximum number of access points (per network) to attempt to test.
3193         * If this number is reached, the watchdog will no longer monitor the
3194         * initial connection state for the network. This is a safeguard for
3195         * networks containing multiple APs whose DNS does not respond to pings.
3196         */
3197        @Deprecated
3198        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3199
3200        /**
3201         * Whether the Wi-Fi watchdog is enabled.
3202         */
3203        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3204
3205        /**
3206         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3207         */
3208        @Deprecated
3209        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3210
3211        /**
3212         * The number of pings to test if an access point is a good connection.
3213         */
3214        @Deprecated
3215        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3216
3217        /**
3218         * The delay between pings.
3219         */
3220        @Deprecated
3221        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3222
3223        /**
3224         * The timeout per ping.
3225         */
3226        @Deprecated
3227        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3228
3229        /**
3230         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3231         * @hide
3232         */
3233        public static final String WIFI_WATCHDOG_ARP_CHECK_INTERVAL_MS =
3234                "wifi_watchdog_arp_interval_ms";
3235
3236        /**
3237         * ms delay interval between rssi polling when the signal is known to be weak
3238         * @hide
3239         */
3240        public static final String WIFI_WATCHDOG_RSSI_FETCH_INTERVAL_MS =
3241                "wifi_watchdog_rssi_fetch_interval_ms";
3242
3243
3244        /**
3245         * ms delay before rechecking a connect SSID for walled garden with a http download.
3246         * @hide
3247         */
3248        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3249                "wifi_watchdog_walled_garden_interval_ms";
3250
3251        /**
3252         * Number of ARP pings per check.
3253         * @hide
3254         */
3255        public static final String WIFI_WATCHDOG_NUM_ARP_PINGS = "wifi_watchdog_num_arp_pings";
3256
3257        /**
3258         * Minimum number of responses to the arp pings to consider the test 'successful'.
3259         * @hide
3260         */
3261        public static final String WIFI_WATCHDOG_MIN_ARP_RESPONSES =
3262                "wifi_watchdog_min_arp_responses";
3263
3264        /**
3265         * Timeout on ARP pings
3266         * @hide
3267         */
3268        public static final String WIFI_WATCHDOG_ARP_PING_TIMEOUT_MS =
3269                "wifi_watchdog_arp_ping_timeout_ms";
3270
3271        /**
3272         * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
3273         * the setting needs to be set to 0 to disable it.
3274         * @hide
3275         */
3276        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3277                "wifi_watchdog_poor_network_test_enabled";
3278
3279        /**
3280         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3281         * the setting needs to be set to 0 to disable it.
3282         * @hide
3283         */
3284        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3285                "wifi_watchdog_walled_garden_test_enabled";
3286
3287        /**
3288         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3289         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3290         * is not part of the title string to notify the user on the presence of a walled garden.
3291         * @hide
3292         */
3293        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3294                "wifi_watchdog_walled_garden_url";
3295
3296        /**
3297         * The maximum number of times we will retry a connection to an access
3298         * point for which we have failed in acquiring an IP address from DHCP.
3299         * A value of N means that we will make N+1 connection attempts in all.
3300         */
3301        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3302
3303        /**
3304         * The operational wifi frequency band
3305         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3306         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3307         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3308         *
3309         * @hide
3310         */
3311        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3312
3313        /**
3314         * The Wi-Fi peer-to-peer device name
3315         * @hide
3316         */
3317        public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
3318
3319        /**
3320         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3321         * data connectivity to be established after a disconnect from Wi-Fi.
3322         */
3323        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3324            "wifi_mobile_data_transition_wakelock_timeout_ms";
3325
3326        /**
3327         * Whether network service discovery is enabled.
3328         * @hide
3329         */
3330        public static final String NSD_ON = "nsd_on";
3331
3332        /**
3333         * Whether background data usage is allowed by the user. See
3334         * ConnectivityManager for more info.
3335         */
3336        @Deprecated
3337        public static final String BACKGROUND_DATA = "background_data";
3338
3339        /**
3340         * Origins for which browsers should allow geolocation by default.
3341         * The value is a space-separated list of origins.
3342         */
3343        public static final String ALLOWED_GEOLOCATION_ORIGINS
3344                = "allowed_geolocation_origins";
3345
3346        /**
3347         * Whether mobile data connections are allowed by the user.  See
3348         * ConnectivityManager for more info.
3349         * @hide
3350         */
3351        public static final String MOBILE_DATA = "mobile_data";
3352
3353        /**
3354         * The CDMA roaming mode 0 = Home Networks, CDMA default
3355         *                       1 = Roaming on Affiliated networks
3356         *                       2 = Roaming on any networks
3357         * @hide
3358         */
3359        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3360
3361        /**
3362         * The CDMA subscription mode 0 = RUIM/SIM (default)
3363         *                                1 = NV
3364         * @hide
3365         */
3366        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3367
3368        /**
3369         * The preferred network mode   7 = Global
3370         *                              6 = EvDo only
3371         *                              5 = CDMA w/o EvDo
3372         *                              4 = CDMA / EvDo auto
3373         *                              3 = GSM / WCDMA auto
3374         *                              2 = WCDMA only
3375         *                              1 = GSM only
3376         *                              0 = GSM / WCDMA preferred
3377         * @hide
3378         */
3379        public static final String PREFERRED_NETWORK_MODE =
3380                "preferred_network_mode";
3381
3382        /**
3383         * The preferred TTY mode     0 = TTy Off, CDMA default
3384         *                            1 = TTY Full
3385         *                            2 = TTY HCO
3386         *                            3 = TTY VCO
3387         * @hide
3388         */
3389        public static final String PREFERRED_TTY_MODE =
3390                "preferred_tty_mode";
3391
3392
3393        /**
3394         * CDMA Cell Broadcast SMS
3395         *                            0 = CDMA Cell Broadcast SMS disabled
3396         *                            1 = CDMA Cell Broadcast SMS enabled
3397         * @hide
3398         */
3399        public static final String CDMA_CELL_BROADCAST_SMS =
3400                "cdma_cell_broadcast_sms";
3401
3402        /**
3403         * The cdma subscription 0 = Subscription from RUIM, when available
3404         *                       1 = Subscription from NV
3405         * @hide
3406         */
3407        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3408                "preferred_cdma_subscription";
3409
3410        /**
3411         * Whether the enhanced voice privacy mode is enabled.
3412         * 0 = normal voice privacy
3413         * 1 = enhanced voice privacy
3414         * @hide
3415         */
3416        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3417
3418        /**
3419         * Whether the TTY mode mode is enabled.
3420         * 0 = disabled
3421         * 1 = enabled
3422         * @hide
3423         */
3424        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3425
3426        /**
3427         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3428         * @hide
3429         */
3430        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3431
3432        /**
3433         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3434         * @hide
3435         */
3436        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3437
3438        /**
3439         * Controls whether settings backup is enabled.
3440         * Type: int ( 0 = disabled, 1 = enabled )
3441         * @hide
3442         */
3443        public static final String BACKUP_ENABLED = "backup_enabled";
3444
3445        /**
3446         * Controls whether application data is automatically restored from backup
3447         * at install time.
3448         * Type: int ( 0 = disabled, 1 = enabled )
3449         * @hide
3450         */
3451        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3452
3453        /**
3454         * Indicates whether settings backup has been fully provisioned.
3455         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3456         * @hide
3457         */
3458        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3459
3460        /**
3461         * Component of the transport to use for backup/restore.
3462         * @hide
3463         */
3464        public static final String BACKUP_TRANSPORT = "backup_transport";
3465
3466        /**
3467         * Version for which the setup wizard was last shown.  Bumped for
3468         * each release when there is new setup information to show.
3469         * @hide
3470         */
3471        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3472
3473        /**
3474         * How frequently (in seconds) to check the memory status of the
3475         * device.
3476         * @hide
3477         */
3478        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3479
3480        /**
3481         * Max frequency (in seconds) to log memory check stats, in realtime
3482         * seconds.  This allows for throttling of logs when the device is
3483         * running for large amounts of time.
3484         * @hide
3485         */
3486        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3487                "memcheck_log_realtime_interval";
3488
3489        /**
3490         * Boolean indicating whether rebooting due to system memory checks
3491         * is enabled.
3492         * @hide
3493         */
3494        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3495
3496        /**
3497         * How many bytes the system process must be below to avoid scheduling
3498         * a soft reboot.  This reboot will happen when it is next determined
3499         * to be a good time.
3500         * @hide
3501         */
3502        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3503
3504        /**
3505         * How many bytes the system process must be below to avoid scheduling
3506         * a hard reboot.  This reboot will happen immediately.
3507         * @hide
3508         */
3509        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3510
3511        /**
3512         * How many bytes the phone process must be below to avoid scheduling
3513         * a soft restart.  This restart will happen when it is next determined
3514         * to be a good time.
3515         * @hide
3516         */
3517        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3518
3519        /**
3520         * How many bytes the phone process must be below to avoid scheduling
3521         * a hard restart.  This restart will happen immediately.
3522         * @hide
3523         */
3524        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3525
3526        /**
3527         * Boolean indicating whether restarting the phone process due to
3528         * memory checks is enabled.
3529         * @hide
3530         */
3531        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3532
3533        /**
3534         * First time during the day it is okay to kill processes
3535         * or reboot the device due to low memory situations.  This number is
3536         * in seconds since midnight.
3537         * @hide
3538         */
3539        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3540
3541        /**
3542         * Last time during the day it is okay to kill processes
3543         * or reboot the device due to low memory situations.  This number is
3544         * in seconds since midnight.
3545         * @hide
3546         */
3547        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3548
3549        /**
3550         * How long the screen must have been off in order to kill processes
3551         * or reboot.  This number is in seconds.  A value of -1 means to
3552         * entirely disregard whether the screen is on.
3553         * @hide
3554         */
3555        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3556
3557        /**
3558         * How much time there must be until the next alarm in order to kill processes
3559         * or reboot.  This number is in seconds.  Note: this value must be
3560         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3561         * always see an alarm scheduled within its time.
3562         * @hide
3563         */
3564        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3565
3566        /**
3567         * How frequently to check whether it is a good time to restart things,
3568         * if the device is in a bad state.  This number is in seconds.  Note:
3569         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3570         * the alarm to schedule the recheck will always appear within the
3571         * minimum "do not execute now" time.
3572         * @hide
3573         */
3574        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3575
3576        /**
3577         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3578         * will occur.
3579         * @hide
3580         */
3581        public static final String REBOOT_INTERVAL = "reboot_interval";
3582
3583        /**
3584         * First time during the day it is okay to force a reboot of the
3585         * device (if REBOOT_INTERVAL is set).  This number is
3586         * in seconds since midnight.
3587         * @hide
3588         */
3589        public static final String REBOOT_START_TIME = "reboot_start_time";
3590
3591        /**
3592         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3593         * a reboot can be executed.  If 0, a reboot will always be executed at
3594         * exactly the given time.  Otherwise, it will only be executed if
3595         * the device is idle within the window.
3596         * @hide
3597         */
3598        public static final String REBOOT_WINDOW = "reboot_window";
3599
3600        /**
3601         * Threshold values for the duration and level of a discharge cycle, under
3602         * which we log discharge cycle info.
3603         * @hide
3604         */
3605        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3606                "battery_discharge_duration_threshold";
3607        /** @hide */
3608        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3609
3610        /**
3611         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3612         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3613         * will never display the "Report" button.
3614         * Type: int ( 0 = disallow, 1 = allow )
3615         * @hide
3616         */
3617        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3618
3619        /**
3620         * Nonzero causes Log.wtf() to crash.
3621         * @hide
3622         */
3623        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3624
3625        /**
3626         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3627         * @hide
3628         */
3629        public static final String DROPBOX_AGE_SECONDS =
3630                "dropbox_age_seconds";
3631        /**
3632         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3633         * @hide
3634         */
3635        public static final String DROPBOX_MAX_FILES =
3636                "dropbox_max_files";
3637        /**
3638         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3639         * @hide
3640         */
3641        public static final String DROPBOX_QUOTA_KB =
3642                "dropbox_quota_kb";
3643        /**
3644         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3645         * @hide
3646         */
3647        public static final String DROPBOX_QUOTA_PERCENT =
3648                "dropbox_quota_percent";
3649        /**
3650         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3651         * @hide
3652         */
3653        public static final String DROPBOX_RESERVE_PERCENT =
3654                "dropbox_reserve_percent";
3655        /**
3656         * Prefix for per-tag dropbox disable/enable settings.
3657         * @hide
3658         */
3659        public static final String DROPBOX_TAG_PREFIX =
3660                "dropbox:";
3661        /**
3662         * Lines of logcat to include with system crash/ANR/etc. reports,
3663         * as a prefix of the dropbox tag of the report type.
3664         * For example, "logcat_for_system_server_anr" controls the lines
3665         * of logcat captured with system server ANR reports.  0 to disable.
3666         * @hide
3667         */
3668        public static final String ERROR_LOGCAT_PREFIX =
3669                "logcat_for_";
3670
3671
3672        /**
3673         * Screen timeout in milliseconds corresponding to the
3674         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3675         * possible screen timeout behavior.)
3676         * @hide
3677         */
3678        public static final String SHORT_KEYLIGHT_DELAY_MS =
3679                "short_keylight_delay_ms";
3680
3681        /**
3682         * The interval in minutes after which the amount of free storage left on the
3683         * device is logged to the event log
3684         * @hide
3685         */
3686        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3687                "sys_free_storage_log_interval";
3688
3689        /**
3690         * Threshold for the amount of change in disk free space required to report the amount of
3691         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3692         * frequently.
3693         * @hide
3694         */
3695        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3696                "disk_free_change_reporting_threshold";
3697
3698
3699        /**
3700         * Minimum percentage of free storage on the device that is used to determine if
3701         * the device is running low on storage.  The default is 10.
3702         * <p>Say this value is set to 10, the device is considered running low on storage
3703         * if 90% or more of the device storage is filled up.
3704         * @hide
3705         */
3706        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3707                "sys_storage_threshold_percentage";
3708
3709        /**
3710         * Maximum byte size of the low storage threshold.  This is to ensure
3711         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3712         * an overly large threshold for large storage devices.  Currently this
3713         * must be less than 2GB.  This default is 500MB.
3714         * @hide
3715         */
3716        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3717                "sys_storage_threshold_max_bytes";
3718
3719        /**
3720         * Minimum bytes of free storage on the device before the data
3721         * partition is considered full. By default, 1 MB is reserved
3722         * to avoid system-wide SQLite disk full exceptions.
3723         * @hide
3724         */
3725        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3726                "sys_storage_full_threshold_bytes";
3727
3728        /**
3729         * The interval in milliseconds after which Wi-Fi is considered idle.
3730         * When idle, it is possible for the device to be switched from Wi-Fi to
3731         * the mobile data network.
3732         * @hide
3733         */
3734        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3735
3736        /**
3737         * The interval in milliseconds to issue wake up scans when wifi needs
3738         * to connect. This is necessary to connect to an access point when
3739         * device is on the move and the screen is off.
3740         * @hide
3741         */
3742        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3743                "wifi_framework_scan_interval_ms";
3744
3745        /**
3746         * The interval in milliseconds to scan as used by the wifi supplicant
3747         * @hide
3748         */
3749        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3750                "wifi_supplicant_scan_interval_ms";
3751
3752        /**
3753         * The interval in milliseconds at which to check packet counts on the
3754         * mobile data interface when screen is on, to detect possible data
3755         * connection problems.
3756         * @hide
3757         */
3758        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3759                "pdp_watchdog_poll_interval_ms";
3760
3761        /**
3762         * The interval in milliseconds at which to check packet counts on the
3763         * mobile data interface when screen is off, to detect possible data
3764         * connection problems.
3765         * @hide
3766         */
3767        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3768                "pdp_watchdog_long_poll_interval_ms";
3769
3770        /**
3771         * The interval in milliseconds at which to check packet counts on the
3772         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3773         * outgoing packets has been reached without incoming packets.
3774         * @hide
3775         */
3776        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3777                "pdp_watchdog_error_poll_interval_ms";
3778
3779        /**
3780         * The number of outgoing packets sent without seeing an incoming packet
3781         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3782         * device is logged to the event log
3783         * @hide
3784         */
3785        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3786                "pdp_watchdog_trigger_packet_count";
3787
3788        /**
3789         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3790         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3791         * attempting data connection recovery.
3792         * @hide
3793         */
3794        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3795                "pdp_watchdog_error_poll_count";
3796
3797        /**
3798         * The number of failed PDP reset attempts before moving to something more
3799         * drastic: re-registering to the network.
3800         * @hide
3801         */
3802        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3803                "pdp_watchdog_max_pdp_reset_fail_count";
3804
3805        /**
3806         * The number of milliseconds to delay when checking for data stalls during
3807         * non-aggressive detection. (screen is turned off.)
3808         * @hide
3809         */
3810        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3811                "data_stall_alarm_non_aggressive_delay_in_ms";
3812
3813        /**
3814         * The number of milliseconds to delay when checking for data stalls during
3815         * aggressive detection. (screen on or suspected data stall)
3816         * @hide
3817         */
3818        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3819                "data_stall_alarm_aggressive_delay_in_ms";
3820
3821        /**
3822         * The interval in milliseconds at which to check gprs registration
3823         * after the first registration mismatch of gprs and voice service,
3824         * to detect possible data network registration problems.
3825         *
3826         * @hide
3827         */
3828        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3829                "gprs_register_check_period_ms";
3830
3831        /**
3832         * The length of time in milli-seconds that automatic small adjustments to
3833         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3834         * @hide
3835         */
3836        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3837
3838        /**
3839         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3840         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3841         * exceeded.
3842         * @hide
3843         */
3844        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3845
3846        /**
3847         * The maximum reconnect delay for short network outages or when the network is suspended
3848         * due to phone use.
3849         * @hide
3850         */
3851        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3852                "sync_max_retry_delay_in_seconds";
3853
3854        /**
3855         * The interval in milliseconds at which to check the number of SMS sent
3856         * out without asking for use permit, to limit the un-authorized SMS
3857         * usage.
3858         * @hide
3859         */
3860        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3861                "sms_outgoing_check_interval_ms";
3862
3863        /**
3864         * The number of outgoing SMS sent without asking for user permit
3865         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3866         * @hide
3867         */
3868        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3869                "sms_outgoing_check_max_count";
3870
3871        /**
3872         * The global search provider chosen by the user (if multiple global
3873         * search providers are installed). This will be the provider returned
3874         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3875         * installed. This setting is stored as a flattened component name as
3876         * per {@link ComponentName#flattenToString()}.
3877         *
3878         * @hide
3879         */
3880        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3881                "search_global_search_activity";
3882
3883        /**
3884         * The number of promoted sources in GlobalSearch.
3885         * @hide
3886         */
3887        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3888        /**
3889         * The maximum number of suggestions returned by GlobalSearch.
3890         * @hide
3891         */
3892        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3893        /**
3894         * The number of suggestions GlobalSearch will ask each non-web search source for.
3895         * @hide
3896         */
3897        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3898        /**
3899         * The number of suggestions the GlobalSearch will ask the web search source for.
3900         * @hide
3901         */
3902        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3903                "search_web_results_override_limit";
3904        /**
3905         * The number of milliseconds that GlobalSearch will wait for suggestions from
3906         * promoted sources before continuing with all other sources.
3907         * @hide
3908         */
3909        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3910                "search_promoted_source_deadline_millis";
3911        /**
3912         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3913         * @hide
3914         */
3915        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3916        /**
3917         * The maximum number of milliseconds that GlobalSearch shows the previous results
3918         * after receiving a new query.
3919         * @hide
3920         */
3921        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3922        /**
3923         * The maximum age of log data used for shortcuts in GlobalSearch.
3924         * @hide
3925         */
3926        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3927        /**
3928         * The maximum age of log data used for source ranking in GlobalSearch.
3929         * @hide
3930         */
3931        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3932                "search_max_source_event_age_millis";
3933        /**
3934         * The minimum number of impressions needed to rank a source in GlobalSearch.
3935         * @hide
3936         */
3937        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3938                "search_min_impressions_for_source_ranking";
3939        /**
3940         * The minimum number of clicks needed to rank a source in GlobalSearch.
3941         * @hide
3942         */
3943        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3944                "search_min_clicks_for_source_ranking";
3945        /**
3946         * The maximum number of shortcuts shown by GlobalSearch.
3947         * @hide
3948         */
3949        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3950        /**
3951         * The size of the core thread pool for suggestion queries in GlobalSearch.
3952         * @hide
3953         */
3954        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3955                "search_query_thread_core_pool_size";
3956        /**
3957         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3958         * @hide
3959         */
3960        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3961                "search_query_thread_max_pool_size";
3962        /**
3963         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3964         * @hide
3965         */
3966        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3967                "search_shortcut_refresh_core_pool_size";
3968        /**
3969         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3970         * @hide
3971         */
3972        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3973                "search_shortcut_refresh_max_pool_size";
3974        /**
3975         * The maximun time that excess threads in the GlobalSeach thread pools will
3976         * wait before terminating.
3977         * @hide
3978         */
3979        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3980                "search_thread_keepalive_seconds";
3981        /**
3982         * The maximum number of concurrent suggestion queries to each source.
3983         * @hide
3984         */
3985        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3986                "search_per_source_concurrent_query_limit";
3987
3988        /**
3989         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3990         * @hide
3991         */
3992        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3993
3994        /**
3995         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3996         * @hide
3997         */
3998        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3999
4000        /**
4001         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
4002         * @hide
4003         */
4004        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
4005
4006        /**
4007         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
4008         * @hide
4009         */
4010        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
4011
4012        /**
4013         * If nonzero, ANRs in invisible background processes bring up a dialog.
4014         * Otherwise, the process will be silently killed.
4015         * @hide
4016         */
4017        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
4018
4019        /**
4020         * The {@link ComponentName} string of the service to be used as the voice recognition
4021         * service.
4022         *
4023         * @hide
4024         */
4025        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
4026
4027
4028        /**
4029         * The {@link ComponentName} string of the selected spell checker service which is
4030         * one of the services managed by the text service manager.
4031         *
4032         * @hide
4033         */
4034        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
4035
4036        /**
4037         * The {@link ComponentName} string of the selected subtype of the selected spell checker
4038         * service which is one of the services managed by the text service manager.
4039         *
4040         * @hide
4041         */
4042        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
4043                "selected_spell_checker_subtype";
4044
4045        /**
4046         * The {@link ComponentName} string whether spell checker is enabled or not.
4047         *
4048         * @hide
4049         */
4050        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
4051
4052        /**
4053         * What happens when the user presses the Power button while in-call
4054         * and the screen is on.<br/>
4055         * <b>Values:</b><br/>
4056         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
4057         * 2 - The Power button hangs up the current call.<br/>
4058         *
4059         * @hide
4060         */
4061        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
4062
4063        /**
4064         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
4065         * @hide
4066         */
4067        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
4068
4069        /**
4070         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
4071         * @hide
4072         */
4073        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
4074
4075        /**
4076         * INCALL_POWER_BUTTON_BEHAVIOR default value.
4077         * @hide
4078         */
4079        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
4080                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
4081
4082        /**
4083         * The current night mode that has been selected by the user.  Owned
4084         * and controlled by UiModeManagerService.  Constants are as per
4085         * UiModeManager.
4086         * @hide
4087         */
4088        public static final String UI_NIGHT_MODE = "ui_night_mode";
4089
4090        /**
4091         * Let user pick default install location.
4092         * @hide
4093         */
4094        public static final String SET_INSTALL_LOCATION = "set_install_location";
4095
4096        /**
4097         * Default install location value.
4098         * 0 = auto, let system decide
4099         * 1 = internal
4100         * 2 = sdcard
4101         * @hide
4102         */
4103        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
4104
4105        /**
4106         * The bandwidth throttle polling freqency in seconds
4107         * @hide
4108         */
4109        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
4110
4111        /**
4112         * The bandwidth throttle threshold (long)
4113         * @hide
4114         */
4115        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
4116
4117        /**
4118         * The bandwidth throttle value (kbps)
4119         * @hide
4120         */
4121        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
4122
4123        /**
4124         * The bandwidth throttle reset calendar day (1-28)
4125         * @hide
4126         */
4127        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
4128
4129        /**
4130         * The throttling notifications we should send
4131         * @hide
4132         */
4133        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
4134
4135        /**
4136         * Help URI for data throttling policy
4137         * @hide
4138         */
4139        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
4140
4141        /**
4142         * The length of time in Sec that we allow our notion of NTP time
4143         * to be cached before we refresh it
4144         * @hide
4145         */
4146        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
4147                "throttle_max_ntp_cache_age_sec";
4148
4149        /**
4150         * The maximum size, in bytes, of a download that the download manager will transfer over
4151         * a non-wifi connection.
4152         * @hide
4153         */
4154        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
4155                "download_manager_max_bytes_over_mobile";
4156
4157        /**
4158         * The recommended maximum size, in bytes, of a download that the download manager should
4159         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
4160         * have the option to start the download over the mobile connection anyway.
4161         * @hide
4162         */
4163        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4164                "download_manager_recommended_max_bytes_over_mobile";
4165
4166        /**
4167         * ms during which to consume extra events related to Inet connection condition
4168         * after a transtion to fully-connected
4169         * @hide
4170         */
4171        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4172                "inet_condition_debounce_up_delay";
4173
4174        /**
4175         * ms during which to consume extra events related to Inet connection condtion
4176         * after a transtion to partly-connected
4177         * @hide
4178         */
4179        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4180                "inet_condition_debounce_down_delay";
4181
4182        /**
4183         * URL to open browser on to allow user to manage a prepay account
4184         * @hide
4185         */
4186        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4187                "setup_prepaid_data_service_url";
4188
4189        /**
4190         * URL to attempt a GET on to see if this is a prepay device
4191         * @hide
4192         */
4193        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4194                "setup_prepaid_detection_target_url";
4195
4196        /**
4197         * Host to check for a redirect to after an attempt to GET
4198         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4199         * this is a prepaid device with zero balance.)
4200         * @hide
4201         */
4202        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4203                "setup_prepaid_detection_redir_host";
4204
4205        /**
4206         * Whether the screensaver is enabled.
4207         * @hide
4208         */
4209        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
4210
4211        /**
4212         * The user's chosen screensaver component.
4213         *
4214         * This component will be launched by the PhoneWindowManager after a timeout when not on
4215         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
4216         * @hide
4217         */
4218        public static final String SCREENSAVER_COMPONENT = "screensaver_component";
4219
4220        /**
4221         * Whether the screensaver should be automatically launched when the device is inserted
4222         * into a (desk) dock.
4223         * @hide
4224         */
4225        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
4226
4227        /** {@hide} */
4228        public static final String NETSTATS_ENABLED = "netstats_enabled";
4229        /** {@hide} */
4230        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4231        /** {@hide} */
4232        public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
4233        /** {@hide} */
4234        public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
4235        /** {@hide} */
4236        public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
4237        /** {@hide} */
4238        public static final String NETSTATS_REPORT_XT_OVER_DEV = "netstats_report_xt_over_dev";
4239
4240        /** {@hide} */
4241        public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
4242        /** {@hide} */
4243        public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
4244        /** {@hide} */
4245        public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
4246        /** {@hide} */
4247        public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
4248
4249        /** {@hide} */
4250        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4251        /** {@hide} */
4252        public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
4253        /** {@hide} */
4254        public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
4255        /** {@hide} */
4256        public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
4257
4258        /** {@hide} */
4259        public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
4260        /** {@hide} */
4261        public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
4262        /** {@hide} */
4263        public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
4264        /** {@hide} */
4265        public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
4266
4267        /** Preferred NTP server. {@hide} */
4268        public static final String NTP_SERVER = "ntp_server";
4269        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4270        public static final String NTP_TIMEOUT = "ntp_timeout";
4271
4272        /** Autofill server address (Used in WebView/browser). {@hide} */
4273        public static final String WEB_AUTOFILL_QUERY_URL =
4274            "web_autofill_query_url";
4275
4276        /** Whether package verification is enabled. {@hide} */
4277        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4278
4279        /** Timeout for package verification. {@hide} */
4280        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4281
4282        /** Default response code for package verification. {@hide} */
4283        public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
4284
4285        /** {@hide} */
4286        public static final String
4287                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
4288
4289        /**
4290         * Duration in milliseconds before pre-authorized URIs for the contacts
4291         * provider should expire.
4292         * @hide
4293         */
4294        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4295                "contacts_preauth_uri_expiration";
4296
4297        /**
4298         * Prefix for SMS short code regex patterns (country code is appended).
4299         * @see com.android.internal.telephony.SmsUsageMonitor
4300         * @hide
4301         */
4302        public static final String SMS_SHORT_CODES_PREFIX = "sms_short_codes_";
4303
4304        /**
4305         * This are the settings to be backed up.
4306         *
4307         * NOTE: Settings are backed up and restored in the order they appear
4308         *       in this array. If you have one setting depending on another,
4309         *       make sure that they are ordered appropriately.
4310         *
4311         * @hide
4312         */
4313        public static final String[] SETTINGS_TO_BACKUP = {
4314            ADB_ENABLED,
4315            ALLOW_MOCK_LOCATION,
4316            PARENTAL_CONTROL_ENABLED,
4317            PARENTAL_CONTROL_REDIRECT_URL,
4318            USB_MASS_STORAGE_ENABLED,
4319            ACCESSIBILITY_SCRIPT_INJECTION,
4320            BACKUP_AUTO_RESTORE,
4321            ENABLED_ACCESSIBILITY_SERVICES,
4322            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
4323            TOUCH_EXPLORATION_ENABLED,
4324            ACCESSIBILITY_ENABLED,
4325            ACCESSIBILITY_SPEAK_PASSWORD,
4326            TTS_USE_DEFAULTS,
4327            TTS_DEFAULT_RATE,
4328            TTS_DEFAULT_PITCH,
4329            TTS_DEFAULT_SYNTH,
4330            TTS_DEFAULT_LANG,
4331            TTS_DEFAULT_COUNTRY,
4332            TTS_ENABLED_PLUGINS,
4333            TTS_DEFAULT_LOCALE,
4334            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4335            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4336            WIFI_NUM_OPEN_NETWORKS_KEPT,
4337            MOUNT_PLAY_NOTIFICATION_SND,
4338            MOUNT_UMS_AUTOSTART,
4339            MOUNT_UMS_PROMPT,
4340            MOUNT_UMS_NOTIFY_ENABLED,
4341            UI_NIGHT_MODE,
4342            LOCK_SCREEN_OWNER_INFO,
4343            LOCK_SCREEN_OWNER_INFO_ENABLED
4344        };
4345
4346        /**
4347         * Helper method for determining if a location provider is enabled.
4348         * @param cr the content resolver to use
4349         * @param provider the location provider to query
4350         * @return true if the provider is enabled
4351         */
4352        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4353            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4354            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4355        }
4356
4357        /**
4358         * Thread-safe method for enabling or disabling a single location provider.
4359         * @param cr the content resolver to use
4360         * @param provider the location provider to enable or disable
4361         * @param enabled true if the provider should be enabled
4362         */
4363        public static final void setLocationProviderEnabled(ContentResolver cr,
4364                String provider, boolean enabled) {
4365            // to ensure thread safety, we write the provider name with a '+' or '-'
4366            // and let the SettingsProvider handle it rather than reading and modifying
4367            // the list of enabled providers.
4368            if (enabled) {
4369                provider = "+" + provider;
4370            } else {
4371                provider = "-" + provider;
4372            }
4373            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4374        }
4375    }
4376
4377    /**
4378     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4379     * Intent URL, allowing it to be either a web page or a particular
4380     * application activity.
4381     *
4382     * @hide
4383     */
4384    public static final class Bookmarks implements BaseColumns
4385    {
4386        private static final String TAG = "Bookmarks";
4387
4388        /**
4389         * The content:// style URL for this table
4390         */
4391        public static final Uri CONTENT_URI =
4392            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4393
4394        /**
4395         * The row ID.
4396         * <p>Type: INTEGER</p>
4397         */
4398        public static final String ID = "_id";
4399
4400        /**
4401         * Descriptive name of the bookmark that can be displayed to the user.
4402         * If this is empty, the title should be resolved at display time (use
4403         * {@link #getTitle(Context, Cursor)} any time you want to display the
4404         * title of a bookmark.)
4405         * <P>
4406         * Type: TEXT
4407         * </P>
4408         */
4409        public static final String TITLE = "title";
4410
4411        /**
4412         * Arbitrary string (displayed to the user) that allows bookmarks to be
4413         * organized into categories.  There are some special names for
4414         * standard folders, which all start with '@'.  The label displayed for
4415         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4416         * the folder name does not change so you can consistently query for
4417         * the folder regardless of the current locale.
4418         *
4419         * <P>Type: TEXT</P>
4420         *
4421         */
4422        public static final String FOLDER = "folder";
4423
4424        /**
4425         * The Intent URL of the bookmark, describing what it points to.  This
4426         * value is given to {@link android.content.Intent#getIntent} to create
4427         * an Intent that can be launched.
4428         * <P>Type: TEXT</P>
4429         */
4430        public static final String INTENT = "intent";
4431
4432        /**
4433         * Optional shortcut character associated with this bookmark.
4434         * <P>Type: INTEGER</P>
4435         */
4436        public static final String SHORTCUT = "shortcut";
4437
4438        /**
4439         * The order in which the bookmark should be displayed
4440         * <P>Type: INTEGER</P>
4441         */
4442        public static final String ORDERING = "ordering";
4443
4444        private static final String[] sIntentProjection = { INTENT };
4445        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4446        private static final String sShortcutSelection = SHORTCUT + "=?";
4447
4448        /**
4449         * Convenience function to retrieve the bookmarked Intent for a
4450         * particular shortcut key.
4451         *
4452         * @param cr The ContentResolver to query.
4453         * @param shortcut The shortcut key.
4454         *
4455         * @return Intent The bookmarked URL, or null if there is no bookmark
4456         *         matching the given shortcut.
4457         */
4458        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4459        {
4460            Intent intent = null;
4461
4462            Cursor c = cr.query(CONTENT_URI,
4463                    sIntentProjection, sShortcutSelection,
4464                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4465            // Keep trying until we find a valid shortcut
4466            try {
4467                while (intent == null && c.moveToNext()) {
4468                    try {
4469                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4470                        intent = Intent.parseUri(intentURI, 0);
4471                    } catch (java.net.URISyntaxException e) {
4472                        // The stored URL is bad...  ignore it.
4473                    } catch (IllegalArgumentException e) {
4474                        // Column not found
4475                        Log.w(TAG, "Intent column not found", e);
4476                    }
4477                }
4478            } finally {
4479                if (c != null) c.close();
4480            }
4481
4482            return intent;
4483        }
4484
4485        /**
4486         * Add a new bookmark to the system.
4487         *
4488         * @param cr The ContentResolver to query.
4489         * @param intent The desired target of the bookmark.
4490         * @param title Bookmark title that is shown to the user; null if none
4491         *            or it should be resolved to the intent's title.
4492         * @param folder Folder in which to place the bookmark; null if none.
4493         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4494         *            this is non-zero and there is an existing bookmark entry
4495         *            with this same shortcut, then that existing shortcut is
4496         *            cleared (the bookmark is not removed).
4497         * @return The unique content URL for the new bookmark entry.
4498         */
4499        public static Uri add(ContentResolver cr,
4500                                           Intent intent,
4501                                           String title,
4502                                           String folder,
4503                                           char shortcut,
4504                                           int ordering)
4505        {
4506            // If a shortcut is supplied, and it is already defined for
4507            // another bookmark, then remove the old definition.
4508            if (shortcut != 0) {
4509                cr.delete(CONTENT_URI, sShortcutSelection,
4510                        new String[] { String.valueOf((int) shortcut) });
4511            }
4512
4513            ContentValues values = new ContentValues();
4514            if (title != null) values.put(TITLE, title);
4515            if (folder != null) values.put(FOLDER, folder);
4516            values.put(INTENT, intent.toUri(0));
4517            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4518            values.put(ORDERING, ordering);
4519            return cr.insert(CONTENT_URI, values);
4520        }
4521
4522        /**
4523         * Return the folder name as it should be displayed to the user.  This
4524         * takes care of localizing special folders.
4525         *
4526         * @param r Resources object for current locale; only need access to
4527         *          system resources.
4528         * @param folder The value found in the {@link #FOLDER} column.
4529         *
4530         * @return CharSequence The label for this folder that should be shown
4531         *         to the user.
4532         */
4533        public static CharSequence getLabelForFolder(Resources r, String folder) {
4534            return folder;
4535        }
4536
4537        /**
4538         * Return the title as it should be displayed to the user. This takes
4539         * care of localizing bookmarks that point to activities.
4540         *
4541         * @param context A context.
4542         * @param cursor A cursor pointing to the row whose title should be
4543         *        returned. The cursor must contain at least the {@link #TITLE}
4544         *        and {@link #INTENT} columns.
4545         * @return A title that is localized and can be displayed to the user,
4546         *         or the empty string if one could not be found.
4547         */
4548        public static CharSequence getTitle(Context context, Cursor cursor) {
4549            int titleColumn = cursor.getColumnIndex(TITLE);
4550            int intentColumn = cursor.getColumnIndex(INTENT);
4551            if (titleColumn == -1 || intentColumn == -1) {
4552                throw new IllegalArgumentException(
4553                        "The cursor must contain the TITLE and INTENT columns.");
4554            }
4555
4556            String title = cursor.getString(titleColumn);
4557            if (!TextUtils.isEmpty(title)) {
4558                return title;
4559            }
4560
4561            String intentUri = cursor.getString(intentColumn);
4562            if (TextUtils.isEmpty(intentUri)) {
4563                return "";
4564            }
4565
4566            Intent intent;
4567            try {
4568                intent = Intent.parseUri(intentUri, 0);
4569            } catch (URISyntaxException e) {
4570                return "";
4571            }
4572
4573            PackageManager packageManager = context.getPackageManager();
4574            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4575            return info != null ? info.loadLabel(packageManager) : "";
4576        }
4577    }
4578
4579    /**
4580     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4581     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4582     * from the GoogleLoginService.
4583     *
4584     * @param androidId The Android ID for this device.
4585     * @return The device ID that should be used when connecting to the mobile gtalk server.
4586     * @hide
4587     */
4588    public static String getGTalkDeviceId(long androidId) {
4589        return "android-" + Long.toHexString(androidId);
4590    }
4591}
4592