Settings.java revision 3c60eeb1332661833638c863b2978422c2846140
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         */
1414        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
1415
1416        /**
1417         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1418         */
1419        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1420
1421        /**
1422         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
1423         */
1424        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1425
1426        /**
1427         * Control whether the process CPU usage meter should be shown.
1428         */
1429        public static final String SHOW_PROCESSES = "show_processes";
1430
1431        /**
1432         * If 1, the activity manager will aggressively finish activities and
1433         * processes as soon as they are no longer needed.  If 0, the normal
1434         * extended lifetime is used.
1435         */
1436        public static final String ALWAYS_FINISH_ACTIVITIES =
1437                "always_finish_activities";
1438
1439
1440        /**
1441         * Ringer mode. This is used internally, changing this value will not
1442         * change the ringer mode. See AudioManager.
1443         */
1444        public static final String MODE_RINGER = "mode_ringer";
1445
1446        /**
1447         * Determines which streams are affected by ringer mode changes. The
1448         * stream type's bit should be set to 1 if it should be muted when going
1449         * into an inaudible ringer mode.
1450         */
1451        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1452
1453         /**
1454          * Determines which streams are affected by mute. The
1455          * stream type's bit should be set to 1 if it should be muted when a mute request
1456          * is received.
1457          */
1458         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1459
1460        /**
1461         * Whether vibrate is on for different events. This is used internally,
1462         * changing this value will not change the vibrate. See AudioManager.
1463         */
1464        public static final String VIBRATE_ON = "vibrate_on";
1465
1466        /**
1467         * If 1, redirects the system vibrator to all currently attached input devices
1468         * that support vibration.  If there are no such input devices, then the system
1469         * vibrator is used instead.
1470         * If 0, does not register the system vibrator.
1471         *
1472         * This setting is mainly intended to provide a compatibility mechanism for
1473         * applications that only know about the system vibrator and do not use the
1474         * input device vibrator API.
1475         *
1476         * @hide
1477         */
1478        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
1479
1480        /**
1481         * Ringer volume. This is used internally, changing this value will not
1482         * change the volume. See AudioManager.
1483         */
1484        public static final String VOLUME_RING = "volume_ring";
1485
1486        /**
1487         * System/notifications volume. This is used internally, changing this
1488         * value will not change the volume. See AudioManager.
1489         */
1490        public static final String VOLUME_SYSTEM = "volume_system";
1491
1492        /**
1493         * Voice call volume. This is used internally, changing this value will
1494         * not change the volume. See AudioManager.
1495         */
1496        public static final String VOLUME_VOICE = "volume_voice";
1497
1498        /**
1499         * Music/media/gaming volume. This is used internally, changing this
1500         * value will not change the volume. See AudioManager.
1501         */
1502        public static final String VOLUME_MUSIC = "volume_music";
1503
1504        /**
1505         * Alarm volume. This is used internally, changing this
1506         * value will not change the volume. See AudioManager.
1507         */
1508        public static final String VOLUME_ALARM = "volume_alarm";
1509
1510        /**
1511         * Notification volume. This is used internally, changing this
1512         * value will not change the volume. See AudioManager.
1513         */
1514        public static final String VOLUME_NOTIFICATION = "volume_notification";
1515
1516        /**
1517         * Bluetooth Headset volume. This is used internally, changing this value will
1518         * not change the volume. See AudioManager.
1519         */
1520        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1521
1522        /**
1523         * Master volume (float in the range 0.0f to 1.0f).
1524         * @hide
1525         */
1526        public static final String VOLUME_MASTER = "volume_master";
1527
1528        /**
1529         * Master volume mute (int 1 = mute, 0 = not muted).
1530         *
1531         * @hide
1532         */
1533        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
1534
1535        /**
1536         * Whether the notifications should use the ring volume (value of 1) or
1537         * a separate notification volume (value of 0). In most cases, users
1538         * will have this enabled so the notification and ringer volumes will be
1539         * the same. However, power users can disable this and use the separate
1540         * notification volume control.
1541         * <p>
1542         * Note: This is a one-off setting that will be removed in the future
1543         * when there is profile support. For this reason, it is kept hidden
1544         * from the public APIs.
1545         *
1546         * @hide
1547         * @deprecated
1548         */
1549        @Deprecated
1550        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1551            "notifications_use_ring_volume";
1552
1553        /**
1554         * Whether silent mode should allow vibration feedback. This is used
1555         * internally in AudioService and the Sound settings activity to
1556         * coordinate decoupling of vibrate and silent modes. This setting
1557         * will likely be removed in a future release with support for
1558         * audio/vibe feedback profiles.
1559         *
1560         * Not used anymore. On devices with vibrator, the user explicitly selects
1561         * silent or vibrate mode.
1562         * Kept for use by legacy database upgrade code in DatabaseHelper.
1563         * @hide
1564         */
1565        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1566
1567        /**
1568         * The mapping of stream type (integer) to its setting.
1569         */
1570        public static final String[] VOLUME_SETTINGS = {
1571            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1572            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1573        };
1574
1575        /**
1576         * Appended to various volume related settings to record the previous
1577         * values before they the settings were affected by a silent/vibrate
1578         * ringer mode change.
1579         */
1580        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1581
1582        /**
1583         * Persistent store for the system-wide default ringtone URI.
1584         * <p>
1585         * If you need to play the default ringtone at any given time, it is recommended
1586         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1587         * to the set default ringtone at the time of playing.
1588         *
1589         * @see #DEFAULT_RINGTONE_URI
1590         */
1591        public static final String RINGTONE = "ringtone";
1592
1593        /**
1594         * A {@link Uri} that will point to the current default ringtone at any
1595         * given time.
1596         * <p>
1597         * If the current default ringtone is in the DRM provider and the caller
1598         * does not have permission, the exception will be a
1599         * FileNotFoundException.
1600         */
1601        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1602
1603        /**
1604         * Persistent store for the system-wide default notification sound.
1605         *
1606         * @see #RINGTONE
1607         * @see #DEFAULT_NOTIFICATION_URI
1608         */
1609        public static final String NOTIFICATION_SOUND = "notification_sound";
1610
1611        /**
1612         * A {@link Uri} that will point to the current default notification
1613         * sound at any given time.
1614         *
1615         * @see #DEFAULT_RINGTONE_URI
1616         */
1617        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1618
1619        /**
1620         * Persistent store for the system-wide default alarm alert.
1621         *
1622         * @see #RINGTONE
1623         * @see #DEFAULT_ALARM_ALERT_URI
1624         */
1625        public static final String ALARM_ALERT = "alarm_alert";
1626
1627        /**
1628         * A {@link Uri} that will point to the current default alarm alert at
1629         * any given time.
1630         *
1631         * @see #DEFAULT_ALARM_ALERT_URI
1632         */
1633        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1634
1635        /**
1636         * Persistent store for the system default media button event receiver.
1637         *
1638         * @hide
1639         */
1640        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1641
1642        /**
1643         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1644         */
1645        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1646
1647        /**
1648         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1649         */
1650        public static final String TEXT_AUTO_CAPS = "auto_caps";
1651
1652        /**
1653         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1654         * feature converts two spaces to a "." and space.
1655         */
1656        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1657
1658        /**
1659         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1660         */
1661        public static final String TEXT_SHOW_PASSWORD = "show_password";
1662
1663        public static final String SHOW_GTALK_SERVICE_STATUS =
1664                "SHOW_GTALK_SERVICE_STATUS";
1665
1666        /**
1667         * Name of activity to use for wallpaper on the home screen.
1668         */
1669        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1670
1671        /**
1672         * Value to specify if the user prefers the date, time and time zone
1673         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1674         */
1675        public static final String AUTO_TIME = "auto_time";
1676
1677        /**
1678         * Value to specify if the user prefers the time zone
1679         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1680         */
1681        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1682
1683        /**
1684         * Display times as 12 or 24 hours
1685         *   12
1686         *   24
1687         */
1688        public static final String TIME_12_24 = "time_12_24";
1689
1690        /**
1691         * Date format string
1692         *   mm/dd/yyyy
1693         *   dd/mm/yyyy
1694         *   yyyy/mm/dd
1695         */
1696        public static final String DATE_FORMAT = "date_format";
1697
1698        /**
1699         * Whether the setup wizard has been run before (on first boot), or if
1700         * it still needs to be run.
1701         *
1702         * nonzero = it has been run in the past
1703         * 0 = it has not been run in the past
1704         */
1705        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1706
1707        /**
1708         * Scaling factor for normal window animations. Setting to 0 will disable window
1709         * animations.
1710         */
1711        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1712
1713        /**
1714         * Scaling factor for activity transition animations. Setting to 0 will disable window
1715         * animations.
1716         */
1717        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1718
1719        /**
1720         * Scaling factor for Animator-based animations. This affects both the start delay and
1721         * duration of all such animations. Setting to 0 will cause animations to end immediately.
1722         * The default value is 1.
1723         */
1724        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
1725
1726        /**
1727         * Scaling factor for normal window animations. Setting to 0 will disable window
1728         * animations.
1729         * @hide
1730         */
1731        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1732
1733        /**
1734         * Control whether the accelerometer will be used to change screen
1735         * orientation.  If 0, it will not be used unless explicitly requested
1736         * by the application; if 1, it will be used by default unless explicitly
1737         * disabled by the application.
1738         */
1739        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1740
1741        /**
1742         * Default screen rotation when no other policy applies.
1743         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1744         * preference, this rotation value will be used. Must be one of the
1745         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1746         *
1747         * @see Display#getRotation
1748         */
1749        public static final String USER_ROTATION = "user_rotation";
1750
1751        /**
1752         * Whether the phone vibrates when it is ringing due to an incoming call. This will
1753         * be used by Phone and Setting apps; it shouldn't affect other apps.
1754         * The value is boolean (1 or 0).
1755         *
1756         * Note: this is not same as "vibrate on ring", which had been available until ICS.
1757         * It was about AudioManager's setting and thus affected all the applications which
1758         * relied on the setting, while this is purely about the vibration setting for incoming
1759         * calls.
1760         *
1761         * @hide
1762         */
1763        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
1764
1765        /**
1766         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1767         * boolean (1 or 0).
1768         */
1769        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1770
1771        /**
1772         * CDMA only settings
1773         * DTMF tone type played by the dialer when dialing.
1774         *                 0 = Normal
1775         *                 1 = Long
1776         * @hide
1777         */
1778        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1779
1780        /**
1781         * CDMA only settings
1782         * Emergency Tone  0 = Off
1783         *                 1 = Alert
1784         *                 2 = Vibrate
1785         * @hide
1786         */
1787        public static final String EMERGENCY_TONE = "emergency_tone";
1788
1789        /**
1790         * CDMA only settings
1791         * Whether the auto retry is enabled. The value is
1792         * boolean (1 or 0).
1793         * @hide
1794         */
1795        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1796
1797        /**
1798         * Whether the hearing aid is enabled. The value is
1799         * boolean (1 or 0).
1800         * @hide
1801         */
1802        public static final String HEARING_AID = "hearing_aid";
1803
1804        /**
1805         * CDMA only settings
1806         * TTY Mode
1807         * 0 = OFF
1808         * 1 = FULL
1809         * 2 = VCO
1810         * 3 = HCO
1811         * @hide
1812         */
1813        public static final String TTY_MODE = "tty_mode";
1814
1815        /**
1816         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1817         * boolean (1 or 0).
1818         */
1819        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1820
1821        /**
1822         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1823         * boolean (1 or 0).
1824         */
1825        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1826
1827        /**
1828         * @deprecated Each application that shows web suggestions should have its own
1829         * setting for this.
1830         */
1831        @Deprecated
1832        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1833
1834        /**
1835         * Whether the notification LED should repeatedly flash when a notification is
1836         * pending. The value is boolean (1 or 0).
1837         * @hide
1838         */
1839        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1840
1841        /**
1842         * Show pointer location on screen?
1843         * 0 = no
1844         * 1 = yes
1845         * @hide
1846         */
1847        public static final String POINTER_LOCATION = "pointer_location";
1848
1849        /**
1850         * Show touch positions on screen?
1851         * 0 = no
1852         * 1 = yes
1853         * @hide
1854         */
1855        public static final String SHOW_TOUCHES = "show_touches";
1856
1857        /**
1858         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1859         * orientationplot.py tool.
1860         * 0 = no
1861         * 1 = yes
1862         * @hide
1863         */
1864        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1865                "window_orientation_listener_log";
1866
1867        /**
1868         * Whether to play a sound for low-battery alerts.
1869         * @hide
1870         */
1871        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1872
1873        /**
1874         * Whether to play a sound for dock events.
1875         * @hide
1876         */
1877        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1878
1879        /**
1880         * Whether to play sounds when the keyguard is shown and dismissed.
1881         * @hide
1882         */
1883        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1884
1885        /**
1886         * Whether the lockscreen should be completely disabled.
1887         * @hide
1888         */
1889        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
1890
1891        /**
1892         * URI for the low battery sound file.
1893         * @hide
1894         */
1895        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1896
1897        /**
1898         * URI for the desk dock "in" event sound.
1899         * @hide
1900         */
1901        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1902
1903        /**
1904         * URI for the desk dock "out" event sound.
1905         * @hide
1906         */
1907        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1908
1909        /**
1910         * URI for the car dock "in" event sound.
1911         * @hide
1912         */
1913        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1914
1915        /**
1916         * URI for the car dock "out" event sound.
1917         * @hide
1918         */
1919        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1920
1921        /**
1922         * URI for the "device locked" (keyguard shown) sound.
1923         * @hide
1924         */
1925        public static final String LOCK_SOUND = "lock_sound";
1926
1927        /**
1928         * URI for the "device unlocked" (keyguard dismissed) sound.
1929         * @hide
1930         */
1931        public static final String UNLOCK_SOUND = "unlock_sound";
1932
1933        /**
1934         * Receive incoming SIP calls?
1935         * 0 = no
1936         * 1 = yes
1937         * @hide
1938         */
1939        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1940
1941        /**
1942         * Call Preference String.
1943         * "SIP_ALWAYS" : Always use SIP with network access
1944         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1945         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1946         * @hide
1947         */
1948        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1949
1950        /**
1951         * One of the sip call options: Always use SIP with network access.
1952         * @hide
1953         */
1954        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1955
1956        /**
1957         * One of the sip call options: Only if destination is a SIP address.
1958         * @hide
1959         */
1960        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1961
1962        /**
1963         * One of the sip call options: Always ask me each time.
1964         * @hide
1965         */
1966        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1967
1968        /**
1969         * Pointer speed setting.
1970         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1971         *   -7 = slowest
1972         *    0 = default speed
1973         *   +7 = fastest
1974         * @hide
1975         */
1976        public static final String POINTER_SPEED = "pointer_speed";
1977
1978        /**
1979         * Settings to backup. This is here so that it's in the same place as the settings
1980         * keys and easy to update.
1981         *
1982         * NOTE: Settings are backed up and restored in the order they appear
1983         *       in this array. If you have one setting depending on another,
1984         *       make sure that they are ordered appropriately.
1985         *
1986         * @hide
1987         */
1988        public static final String[] SETTINGS_TO_BACKUP = {
1989            STAY_ON_WHILE_PLUGGED_IN,
1990            WIFI_USE_STATIC_IP,
1991            WIFI_STATIC_IP,
1992            WIFI_STATIC_GATEWAY,
1993            WIFI_STATIC_NETMASK,
1994            WIFI_STATIC_DNS1,
1995            WIFI_STATIC_DNS2,
1996            BLUETOOTH_DISCOVERABILITY,
1997            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1998            DIM_SCREEN,
1999            SCREEN_OFF_TIMEOUT,
2000            SCREEN_BRIGHTNESS,
2001            SCREEN_BRIGHTNESS_MODE,
2002            SCREEN_AUTO_BRIGHTNESS_ADJ,
2003            VIBRATE_INPUT_DEVICES,
2004            MODE_RINGER,
2005            MODE_RINGER_STREAMS_AFFECTED,
2006            MUTE_STREAMS_AFFECTED,
2007            VOLUME_VOICE,
2008            VOLUME_SYSTEM,
2009            VOLUME_RING,
2010            VOLUME_MUSIC,
2011            VOLUME_ALARM,
2012            VOLUME_NOTIFICATION,
2013            VOLUME_BLUETOOTH_SCO,
2014            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
2015            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
2016            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
2017            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
2018            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
2019            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
2020            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
2021            TEXT_AUTO_REPLACE,
2022            TEXT_AUTO_CAPS,
2023            TEXT_AUTO_PUNCTUATE,
2024            TEXT_SHOW_PASSWORD,
2025            AUTO_TIME,
2026            AUTO_TIME_ZONE,
2027            TIME_12_24,
2028            DATE_FORMAT,
2029            ACCELEROMETER_ROTATION,
2030            USER_ROTATION,
2031            DTMF_TONE_WHEN_DIALING,
2032            DTMF_TONE_TYPE_WHEN_DIALING,
2033            EMERGENCY_TONE,
2034            CALL_AUTO_RETRY,
2035            HEARING_AID,
2036            TTY_MODE,
2037            SOUND_EFFECTS_ENABLED,
2038            HAPTIC_FEEDBACK_ENABLED,
2039            POWER_SOUNDS_ENABLED,
2040            DOCK_SOUNDS_ENABLED,
2041            LOCKSCREEN_SOUNDS_ENABLED,
2042            SHOW_WEB_SUGGESTIONS,
2043            NOTIFICATION_LIGHT_PULSE,
2044            SIP_CALL_OPTIONS,
2045            SIP_RECEIVE_CALLS,
2046            POINTER_SPEED,
2047            VIBRATE_WHEN_RINGING
2048        };
2049
2050        // Settings moved to Settings.Secure
2051
2052        /**
2053         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
2054         * instead
2055         */
2056        @Deprecated
2057        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
2058
2059        /**
2060         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
2061         */
2062        @Deprecated
2063        public static final String ANDROID_ID = Secure.ANDROID_ID;
2064
2065        /**
2066         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
2067         */
2068        @Deprecated
2069        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
2070
2071        /**
2072         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
2073         */
2074        @Deprecated
2075        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
2076
2077        /**
2078         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
2079         */
2080        @Deprecated
2081        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
2082
2083        /**
2084         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
2085         */
2086        @Deprecated
2087        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
2088
2089        /**
2090         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
2091         */
2092        @Deprecated
2093        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2094
2095        /**
2096         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2097         * instead
2098         */
2099        @Deprecated
2100        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2101
2102        /**
2103         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2104         */
2105        @Deprecated
2106        public static final String LOGGING_ID = Secure.LOGGING_ID;
2107
2108        /**
2109         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2110         */
2111        @Deprecated
2112        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2113
2114        /**
2115         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2116         * instead
2117         */
2118        @Deprecated
2119        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2120
2121        /**
2122         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2123         * instead
2124         */
2125        @Deprecated
2126        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2127
2128        /**
2129         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2130         * instead
2131         */
2132        @Deprecated
2133        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2134            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2135
2136        /**
2137         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2138         */
2139        @Deprecated
2140        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2141
2142        /**
2143         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2144         */
2145        @Deprecated
2146        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2147
2148        /**
2149         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2150         */
2151        @Deprecated
2152        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2153
2154       /**
2155         * @deprecated Use
2156         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2157         */
2158        @Deprecated
2159        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2160
2161        /**
2162         * @deprecated Use
2163         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2164         */
2165        @Deprecated
2166        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2167                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2168
2169        /**
2170         * @deprecated Use
2171         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2172         */
2173        @Deprecated
2174        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2175            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2176
2177        /**
2178         * @deprecated Use
2179         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2180         */
2181        @Deprecated
2182        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2183            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2184
2185        /**
2186         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2187         * instead
2188         */
2189        @Deprecated
2190        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2191
2192        /**
2193         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2194         */
2195        @Deprecated
2196        public static final String WIFI_ON = Secure.WIFI_ON;
2197
2198        /**
2199         * @deprecated Use
2200         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2201         * instead
2202         */
2203        @Deprecated
2204        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2205                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2206
2207        /**
2208         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2209         */
2210        @Deprecated
2211        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2212
2213        /**
2214         * @deprecated Use
2215         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2216         */
2217        @Deprecated
2218        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2219                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2220
2221        /**
2222         * @deprecated Use
2223         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2224         */
2225        @Deprecated
2226        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2227                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2228
2229        /**
2230         * @deprecated Use
2231         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2232         * instead
2233         */
2234        @Deprecated
2235        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2236                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2237
2238        /**
2239         * @deprecated Use
2240         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2241         */
2242        @Deprecated
2243        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2244            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2245
2246        /**
2247         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2248         * instead
2249         */
2250        @Deprecated
2251        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2252
2253        /**
2254         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2255         */
2256        @Deprecated
2257        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2258
2259        /**
2260         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2261         */
2262        @Deprecated
2263        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2264
2265        /**
2266         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2267         * instead
2268         */
2269        @Deprecated
2270        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2271
2272        /**
2273         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2274         * instead
2275         */
2276        @Deprecated
2277        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2278            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2279    }
2280
2281    /**
2282     * Secure system settings, containing system preferences that applications
2283     * can read but are not allowed to write.  These are for preferences that
2284     * the user must explicitly modify through the system UI or specialized
2285     * APIs for those values, not modified directly by applications.
2286     */
2287    public static final class Secure extends NameValueTable {
2288        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2289
2290        // Populated lazily, guarded by class object:
2291        private static NameValueCache sNameValueCache = null;
2292
2293        private static ILockSettings sLockSettings = null;
2294
2295        private static boolean sIsSystemProcess;
2296        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
2297        static {
2298            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
2299            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
2300            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
2301            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
2302        }
2303
2304        /**
2305         * Look up a name in the database.
2306         * @param resolver to access the database with
2307         * @param name to look up in the table
2308         * @return the corresponding value, or null if not present
2309         */
2310        public synchronized static String getString(ContentResolver resolver, String name) {
2311            if (sNameValueCache == null) {
2312                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2313                                                     CALL_METHOD_GET_SECURE);
2314            }
2315
2316            if (sLockSettings == null) {
2317                sLockSettings = ILockSettings.Stub.asInterface(
2318                        (IBinder) ServiceManager.getService("lock_settings"));
2319                sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
2320            }
2321            if (sLockSettings != null && !sIsSystemProcess
2322                    && MOVED_TO_LOCK_SETTINGS.contains(name)) {
2323                try {
2324                    return sLockSettings.getString(name, "0", UserId.getCallingUserId());
2325                } catch (RemoteException re) {
2326                    // Fall through
2327                }
2328            }
2329
2330            return sNameValueCache.getString(resolver, name);
2331        }
2332
2333        /**
2334         * Store a name/value pair into the database.
2335         * @param resolver to access the database with
2336         * @param name to store
2337         * @param value to associate with the name
2338         * @return true if the value was set, false on database errors
2339         */
2340        public static boolean putString(ContentResolver resolver,
2341                String name, String value) {
2342            return putString(resolver, CONTENT_URI, name, value);
2343        }
2344
2345        /**
2346         * Construct the content URI for a particular name/value pair,
2347         * useful for monitoring changes with a ContentObserver.
2348         * @param name to look up in the table
2349         * @return the corresponding content URI, or null if not present
2350         */
2351        public static Uri getUriFor(String name) {
2352            return getUriFor(CONTENT_URI, name);
2353        }
2354
2355        /**
2356         * Convenience function for retrieving a single secure settings value
2357         * as an integer.  Note that internally setting values are always
2358         * stored as strings; this function converts the string to an integer
2359         * for you.  The default value will be returned if the setting is
2360         * not defined or not an integer.
2361         *
2362         * @param cr The ContentResolver to access.
2363         * @param name The name of the setting to retrieve.
2364         * @param def Value to return if the setting is not defined.
2365         *
2366         * @return The setting's current value, or 'def' if it is not defined
2367         * or not a valid integer.
2368         */
2369        public static int getInt(ContentResolver cr, String name, int def) {
2370            String v = getString(cr, name);
2371            try {
2372                return v != null ? Integer.parseInt(v) : def;
2373            } catch (NumberFormatException e) {
2374                return def;
2375            }
2376        }
2377
2378        /**
2379         * Convenience function for retrieving a single secure settings value
2380         * as an integer.  Note that internally setting values are always
2381         * stored as strings; this function converts the string to an integer
2382         * for you.
2383         * <p>
2384         * This version does not take a default value.  If the setting has not
2385         * been set, or the string value is not a number,
2386         * it throws {@link SettingNotFoundException}.
2387         *
2388         * @param cr The ContentResolver to access.
2389         * @param name The name of the setting to retrieve.
2390         *
2391         * @throws SettingNotFoundException Thrown if a setting by the given
2392         * name can't be found or the setting value is not an integer.
2393         *
2394         * @return The setting's current value.
2395         */
2396        public static int getInt(ContentResolver cr, String name)
2397                throws SettingNotFoundException {
2398            String v = getString(cr, name);
2399            try {
2400                return Integer.parseInt(v);
2401            } catch (NumberFormatException e) {
2402                throw new SettingNotFoundException(name);
2403            }
2404        }
2405
2406        /**
2407         * Convenience function for updating a single settings value as an
2408         * integer. This will either create a new entry in the table if the
2409         * given name does not exist, or modify the value of the existing row
2410         * with that name.  Note that internally setting values are always
2411         * stored as strings, so this function converts the given value to a
2412         * string before storing it.
2413         *
2414         * @param cr The ContentResolver to access.
2415         * @param name The name of the setting to modify.
2416         * @param value The new value for the setting.
2417         * @return true if the value was set, false on database errors
2418         */
2419        public static boolean putInt(ContentResolver cr, String name, int value) {
2420            return putString(cr, name, Integer.toString(value));
2421        }
2422
2423        /**
2424         * Convenience function for retrieving a single secure settings value
2425         * as a {@code long}.  Note that internally setting values are always
2426         * stored as strings; this function converts the string to a {@code long}
2427         * for you.  The default value will be returned if the setting is
2428         * not defined or not a {@code long}.
2429         *
2430         * @param cr The ContentResolver to access.
2431         * @param name The name of the setting to retrieve.
2432         * @param def Value to return if the setting is not defined.
2433         *
2434         * @return The setting's current value, or 'def' if it is not defined
2435         * or not a valid {@code long}.
2436         */
2437        public static long getLong(ContentResolver cr, String name, long def) {
2438            String valString = getString(cr, name);
2439            long value;
2440            try {
2441                value = valString != null ? Long.parseLong(valString) : def;
2442            } catch (NumberFormatException e) {
2443                value = def;
2444            }
2445            return value;
2446        }
2447
2448        /**
2449         * Convenience function for retrieving a single secure settings value
2450         * as a {@code long}.  Note that internally setting values are always
2451         * stored as strings; this function converts the string to a {@code long}
2452         * for you.
2453         * <p>
2454         * This version does not take a default value.  If the setting has not
2455         * been set, or the string value is not a number,
2456         * it throws {@link SettingNotFoundException}.
2457         *
2458         * @param cr The ContentResolver to access.
2459         * @param name The name of the setting to retrieve.
2460         *
2461         * @return The setting's current value.
2462         * @throws SettingNotFoundException Thrown if a setting by the given
2463         * name can't be found or the setting value is not an integer.
2464         */
2465        public static long getLong(ContentResolver cr, String name)
2466                throws SettingNotFoundException {
2467            String valString = getString(cr, name);
2468            try {
2469                return Long.parseLong(valString);
2470            } catch (NumberFormatException e) {
2471                throw new SettingNotFoundException(name);
2472            }
2473        }
2474
2475        /**
2476         * Convenience function for updating a secure settings value as a long
2477         * integer. This will either create a new entry in the table if the
2478         * given name does not exist, or modify the value of the existing row
2479         * with that name.  Note that internally setting values are always
2480         * stored as strings, so this function converts the given value to a
2481         * string before storing it.
2482         *
2483         * @param cr The ContentResolver to access.
2484         * @param name The name of the setting to modify.
2485         * @param value The new value for the setting.
2486         * @return true if the value was set, false on database errors
2487         */
2488        public static boolean putLong(ContentResolver cr, String name, long value) {
2489            return putString(cr, name, Long.toString(value));
2490        }
2491
2492        /**
2493         * Convenience function for retrieving a single secure settings value
2494         * as a floating point number.  Note that internally setting values are
2495         * always stored as strings; this function converts the string to an
2496         * float for you. The default value will be returned if the setting
2497         * is not defined or not a valid float.
2498         *
2499         * @param cr The ContentResolver to access.
2500         * @param name The name of the setting to retrieve.
2501         * @param def Value to return if the setting is not defined.
2502         *
2503         * @return The setting's current value, or 'def' if it is not defined
2504         * or not a valid float.
2505         */
2506        public static float getFloat(ContentResolver cr, String name, float def) {
2507            String v = getString(cr, name);
2508            try {
2509                return v != null ? Float.parseFloat(v) : def;
2510            } catch (NumberFormatException e) {
2511                return def;
2512            }
2513        }
2514
2515        /**
2516         * Convenience function for retrieving a single secure settings value
2517         * as a float.  Note that internally setting values are always
2518         * stored as strings; this function converts the string to a float
2519         * for you.
2520         * <p>
2521         * This version does not take a default value.  If the setting has not
2522         * been set, or the string value is not a number,
2523         * it throws {@link SettingNotFoundException}.
2524         *
2525         * @param cr The ContentResolver to access.
2526         * @param name The name of the setting to retrieve.
2527         *
2528         * @throws SettingNotFoundException Thrown if a setting by the given
2529         * name can't be found or the setting value is not a float.
2530         *
2531         * @return The setting's current value.
2532         */
2533        public static float getFloat(ContentResolver cr, String name)
2534                throws SettingNotFoundException {
2535            String v = getString(cr, name);
2536            if (v == null) {
2537                throw new SettingNotFoundException(name);
2538            }
2539            try {
2540                return Float.parseFloat(v);
2541            } catch (NumberFormatException e) {
2542                throw new SettingNotFoundException(name);
2543            }
2544        }
2545
2546        /**
2547         * Convenience function for updating a single settings value as a
2548         * floating point number. This will either create a new entry in the
2549         * table if the given name does not exist, or modify the value of the
2550         * existing row with that name.  Note that internally setting values
2551         * are always stored as strings, so this function converts the given
2552         * value to a string before storing it.
2553         *
2554         * @param cr The ContentResolver to access.
2555         * @param name The name of the setting to modify.
2556         * @param value The new value for the setting.
2557         * @return true if the value was set, false on database errors
2558         */
2559        public static boolean putFloat(ContentResolver cr, String name, float value) {
2560            return putString(cr, name, Float.toString(value));
2561        }
2562
2563        /**
2564         * The content:// style URL for this table
2565         */
2566        public static final Uri CONTENT_URI =
2567            Uri.parse("content://" + AUTHORITY + "/secure");
2568
2569        /**
2570         * Whether user has enabled development settings.
2571         */
2572        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
2573
2574        /**
2575         * Whether ADB is enabled.
2576         */
2577        public static final String ADB_ENABLED = "adb_enabled";
2578
2579        /**
2580         * Setting to allow mock locations and location provider status to be injected into the
2581         * LocationManager service for testing purposes during application development.  These
2582         * locations and status values  override actual location and status information generated
2583         * by network, gps, or other location providers.
2584         */
2585        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2586
2587        /**
2588         * A 64-bit number (as a hex string) that is randomly
2589         * generated on the device's first boot and should remain
2590         * constant for the lifetime of the device.  (The value may
2591         * change if a factory reset is performed on the device.)
2592         */
2593        public static final String ANDROID_ID = "android_id";
2594
2595        /**
2596         * Whether bluetooth is enabled/disabled
2597         * 0=disabled. 1=enabled.
2598         */
2599        public static final String BLUETOOTH_ON = "bluetooth_on";
2600
2601        /**
2602         * Get the key that retrieves a bluetooth headset's priority.
2603         * @hide
2604         */
2605        public static final String getBluetoothHeadsetPriorityKey(String address) {
2606            return ("bluetooth_headset_priority_" + address.toUpperCase());
2607        }
2608
2609        /**
2610         * Get the key that retrieves a bluetooth a2dp sink's priority.
2611         * @hide
2612         */
2613        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2614            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2615        }
2616
2617        /**
2618         * Get the key that retrieves a bluetooth Input Device's priority.
2619         * @hide
2620         */
2621        public static final String getBluetoothInputDevicePriorityKey(String address) {
2622            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2623        }
2624
2625        /**
2626         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2627         */
2628        public static final String DATA_ROAMING = "data_roaming";
2629
2630        /**
2631         * Setting to record the input method used by default, holding the ID
2632         * of the desired method.
2633         */
2634        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2635
2636        /**
2637         * Setting to record the input method subtype used by default, holding the ID
2638         * of the desired method.
2639         */
2640        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2641                "selected_input_method_subtype";
2642
2643        /**
2644         * Setting to record the history of input method subtype, holding the pair of ID of IME
2645         * and its last used subtype.
2646         * @hide
2647         */
2648        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2649                "input_methods_subtype_history";
2650
2651        /**
2652         * Setting to record the visibility of input method selector
2653         */
2654        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2655                "input_method_selector_visibility";
2656
2657        /**
2658         * Whether the device has been provisioned (0 = false, 1 = true)
2659         */
2660        public static final String DEVICE_PROVISIONED = "device_provisioned";
2661
2662        /**
2663         * List of input methods that are currently enabled.  This is a string
2664         * containing the IDs of all enabled input methods, each ID separated
2665         * by ':'.
2666         */
2667        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2668
2669        /**
2670         * List of system input methods that are currently disabled.  This is a string
2671         * containing the IDs of all disabled input methods, each ID separated
2672         * by ':'.
2673         * @hide
2674         */
2675        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2676
2677        /**
2678         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2679         * TODO - deprecate in favor of global_http_proxy_host, etc
2680         */
2681        public static final String HTTP_PROXY = "http_proxy";
2682
2683        /**
2684         * Host name for global http proxy.  Set via ConnectivityManager.
2685         * @hide
2686         */
2687        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2688
2689        /**
2690         * Integer host port for global http proxy.  Set via ConnectivityManager.
2691         * @hide
2692         */
2693        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2694
2695        /**
2696         * Exclusion list for global proxy. This string contains a list of comma-separated
2697         * domains where the global proxy does not apply. Domains should be listed in a comma-
2698         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2699         * Use ConnectivityManager to set/get.
2700         * @hide
2701         */
2702        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2703                "global_http_proxy_exclusion_list";
2704
2705        /**
2706         * Enables the UI setting to allow the user to specify the global HTTP proxy
2707         * and associated exclusion list.
2708         * @hide
2709         */
2710        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2711
2712        /**
2713         * Setting for default DNS in case nobody suggests one
2714         * @hide
2715         */
2716        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2717
2718        /**
2719         * Whether the package installer should allow installation of apps downloaded from
2720         * sources other than Google Play.
2721         *
2722         * 1 = allow installing from other sources
2723         * 0 = only allow installing from Google Play
2724         */
2725        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2726
2727        /**
2728         * Comma-separated list of location providers that activities may access.
2729         */
2730        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2731
2732        /**
2733         * A flag containing settings used for biometric weak
2734         * @hide
2735         */
2736        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
2737                "lock_biometric_weak_flags";
2738
2739        /**
2740         * Whether autolock is enabled (0 = false, 1 = true)
2741         */
2742        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2743
2744        /**
2745         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2746         */
2747        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2748
2749        /**
2750         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2751         */
2752        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2753            "lock_pattern_tactile_feedback_enabled";
2754
2755        /**
2756         * This preference allows the device to be locked given time after screen goes off,
2757         * subject to current DeviceAdmin policy limits.
2758         * @hide
2759         */
2760        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2761
2762
2763        /**
2764         * This preference contains the string that shows for owner info on LockScren.
2765         * @hide
2766         */
2767        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2768
2769        /**
2770         * This preference enables showing the owner info on LockScren.
2771         * @hide
2772         */
2773        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2774            "lock_screen_owner_info_enabled";
2775
2776        /**
2777         * The saved value for WindowManagerService.setForcedDisplaySize().
2778         * Two integers separated by a comma.  If unset, then use the real display size.
2779         * @hide
2780         */
2781        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2782
2783        /**
2784         * Whether assisted GPS should be enabled or not.
2785         * @hide
2786         */
2787        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2788
2789        /**
2790         * The Logging ID (a unique 64-bit value) as a hex string.
2791         * Used as a pseudonymous identifier for logging.
2792         * @deprecated This identifier is poorly initialized and has
2793         * many collisions.  It should not be used.
2794         */
2795        @Deprecated
2796        public static final String LOGGING_ID = "logging_id";
2797
2798        /**
2799         * User preference for which network(s) should be used. Only the
2800         * connectivity service should touch this.
2801         */
2802        public static final String NETWORK_PREFERENCE = "network_preference";
2803
2804        /**
2805         * Used to disable Tethering on a device - defaults to true
2806         * @hide
2807         */
2808        public static final String TETHER_SUPPORTED = "tether_supported";
2809
2810        /**
2811         * Used to require DUN APN on the device or not - defaults to a build config value
2812         * which defaults to false
2813         * @hide
2814         */
2815        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2816
2817        /**
2818         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2819         * corresponding build config values are set it will override the APN DB
2820         * values.
2821         * Consists of a comma seperated list of strings:
2822         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2823         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2824         * @hide
2825         */
2826        public static final String TETHER_DUN_APN = "tether_dun_apn";
2827
2828        /**
2829         * No longer supported.
2830         */
2831        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2832
2833        /**
2834         * No longer supported.
2835         */
2836        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2837
2838        /**
2839         * No longer supported.
2840         */
2841        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2842
2843        /**
2844         * A positive value indicates how often the SamplingProfiler
2845         * should take snapshots. Zero value means SamplingProfiler
2846         * is disabled.
2847         *
2848         * @hide
2849         */
2850        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2851
2852        /**
2853         * Settings classname to launch when Settings is clicked from All
2854         * Applications.  Needed because of user testing between the old
2855         * and new Settings apps.
2856         */
2857        // TODO: 881807
2858        public static final String SETTINGS_CLASSNAME = "settings_classname";
2859
2860        /**
2861         * USB Mass Storage Enabled
2862         */
2863        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2864
2865        /**
2866         * If this setting is set (to anything), then all references
2867         * to Gmail on the device must change to Google Mail.
2868         */
2869        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2870
2871        /**
2872         * If accessibility is enabled.
2873         */
2874        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2875
2876        /**
2877         * If touch exploration is enabled.
2878         */
2879        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2880
2881        /**
2882         * List of the enabled accessibility providers.
2883         */
2884        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2885            "enabled_accessibility_services";
2886
2887        /**
2888         * Whether to speak passwords while in accessibility mode.
2889         */
2890        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2891
2892        /**
2893         * If injection of accessibility enhancing JavaScript screen-reader
2894         * is enabled.
2895         * <p>
2896         *   Note: The JavaScript based screen-reader is served by the
2897         *   Google infrastructure and enable users with disabilities to
2898         *   efficiantly navigate in and explore web content.
2899         * </p>
2900         * <p>
2901         *   This property represents a boolean value.
2902         * </p>
2903         * @hide
2904         */
2905        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2906            "accessibility_script_injection";
2907
2908        /**
2909         * The URL for the injected JavaScript based screen-reader used
2910         * for providing accessiblity of content in WebView.
2911         * <p>
2912         *   Note: The JavaScript based screen-reader is served by the
2913         *   Google infrastructure and enable users with disabilities to
2914         *   efficiently navigate in and explore web content.
2915         * </p>
2916         * <p>
2917         *   This property represents a string value.
2918         * </p>
2919         * @hide
2920         */
2921        public static final String ACCESSIBILITY_SCREEN_READER_URL =
2922            "accessibility_script_injection_url";
2923
2924        /**
2925         * Key bindings for navigation in built-in accessibility support for web content.
2926         * <p>
2927         *   Note: These key bindings are for the built-in accessibility navigation for
2928         *   web content which is used as a fall back solution if JavaScript in a WebView
2929         *   is not enabled or the user has not opted-in script injection from Google.
2930         * </p>
2931         * <p>
2932         *   The bindings are separated by semi-colon. A binding is a mapping from
2933         *   a key to a sequence of actions (for more details look at
2934         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2935         *   string representation of an integer obtained from a meta state (optional) shifted
2936         *   sixteen times left and bitwise ored with a key code. An action is represented
2937         *   as a hexademical string representation of an integer where the first two digits
2938         *   are navigation action index, the second, the third, and the fourth digit pairs
2939         *   represent the action arguments. The separate actions in a binding are colon
2940         *   separated. The key and the action sequence it maps to are separated by equals.
2941         * </p>
2942         * <p>
2943         *   For example, the binding below maps the DPAD right button to traverse the
2944         *   current navigation axis once without firing an accessibility event and to
2945         *   perform the same traversal again but to fire an event:
2946         *   <code>
2947         *     0x16=0x01000100:0x01000101;
2948         *   </code>
2949         * </p>
2950         * <p>
2951         *   The goal of this binding is to enable dynamic rebinding of keys to
2952         *   navigation actions for web content without requiring a framework change.
2953         * </p>
2954         * <p>
2955         *   This property represents a string value.
2956         * </p>
2957         * @hide
2958         */
2959        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2960            "accessibility_web_content_key_bindings";
2961
2962        /**
2963         * The timout for considering a press to be a long press in milliseconds.
2964         * @hide
2965         */
2966        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2967
2968        /**
2969         * Setting to always use the default text-to-speech settings regardless
2970         * of the application settings.
2971         * 1 = override application settings,
2972         * 0 = use application settings (if specified).
2973         *
2974         * @deprecated  The value of this setting is no longer respected by
2975         * the framework text to speech APIs as of the Ice Cream Sandwich release.
2976         */
2977        @Deprecated
2978        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2979
2980        /**
2981         * Default text-to-speech engine speech rate. 100 = 1x
2982         */
2983        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2984
2985        /**
2986         * Default text-to-speech engine pitch. 100 = 1x
2987         */
2988        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2989
2990        /**
2991         * Default text-to-speech engine.
2992         */
2993        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2994
2995        /**
2996         * Default text-to-speech language.
2997         *
2998         * @deprecated this setting is no longer in use, as of the Ice Cream
2999         * Sandwich release. Apps should never need to read this setting directly,
3000         * instead can query the TextToSpeech framework classes for the default
3001         * locale. {@link TextToSpeech#getLanguage()}.
3002         */
3003        @Deprecated
3004        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
3005
3006        /**
3007         * Default text-to-speech country.
3008         *
3009         * @deprecated this setting is no longer in use, as of the Ice Cream
3010         * Sandwich release. Apps should never need to read this setting directly,
3011         * instead can query the TextToSpeech framework classes for the default
3012         * locale. {@link TextToSpeech#getLanguage()}.
3013         */
3014        @Deprecated
3015        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
3016
3017        /**
3018         * Default text-to-speech locale variant.
3019         *
3020         * @deprecated this setting is no longer in use, as of the Ice Cream
3021         * Sandwich release. Apps should never need to read this setting directly,
3022         * instead can query the TextToSpeech framework classes for the
3023         * locale that is in use {@link TextToSpeech#getLanguage()}.
3024         */
3025        @Deprecated
3026        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
3027
3028        /**
3029         * Stores the default tts locales on a per engine basis. Stored as
3030         * a comma seperated list of values, each value being of the form
3031         * {@code engine_name:locale} for example,
3032         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
3033         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
3034         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
3035         * setting directly, and can query the TextToSpeech framework classes
3036         * for the locale that is in use.
3037         *
3038         * @hide
3039         */
3040        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
3041
3042        /**
3043         * Space delimited list of plugin packages that are enabled.
3044         */
3045        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
3046
3047        /**
3048         * Whether to notify the user of open networks.
3049         * <p>
3050         * If not connected and the scan results have an open network, we will
3051         * put this notification up. If we attempt to connect to a network or
3052         * the open network(s) disappear, we remove the notification. When we
3053         * show the notification, we will not show it again for
3054         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
3055         */
3056        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3057                "wifi_networks_available_notification_on";
3058        /**
3059         * {@hide}
3060         */
3061        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3062                "wimax_networks_available_notification_on";
3063
3064        /**
3065         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
3066         * Connecting to a network will reset the timer.
3067         */
3068        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3069                "wifi_networks_available_repeat_delay";
3070
3071        /**
3072         * 802.11 country code in ISO 3166 format
3073         * @hide
3074         */
3075        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
3076
3077
3078        /**
3079         * When the number of open networks exceeds this number, the
3080         * least-recently-used excess networks will be removed.
3081         */
3082        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
3083
3084        /**
3085         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
3086         */
3087        public static final String WIFI_ON = "wifi_on";
3088
3089        /**
3090         * Used to save the Wifi_ON state prior to tethering.
3091         * This state will be checked to restore Wifi after
3092         * the user turns off tethering.
3093         *
3094         * @hide
3095         */
3096        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
3097
3098        /**
3099         * AP SSID
3100         *
3101         * @hide
3102         */
3103        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
3104
3105        /**
3106         * AP security
3107         *
3108         * @hide
3109         */
3110        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
3111
3112        /**
3113         * AP passphrase
3114         *
3115         * @hide
3116         */
3117        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
3118
3119        /**
3120         * The acceptable packet loss percentage (range 0 - 100) before trying
3121         * another AP on the same network.
3122         */
3123        @Deprecated
3124        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3125                "wifi_watchdog_acceptable_packet_loss_percentage";
3126
3127        /**
3128         * The number of access points required for a network in order for the
3129         * watchdog to monitor it.
3130         */
3131        @Deprecated
3132        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
3133
3134        /**
3135         * The delay between background checks.
3136         */
3137        @Deprecated
3138        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3139                "wifi_watchdog_background_check_delay_ms";
3140
3141        /**
3142         * Whether the Wi-Fi watchdog is enabled for background checking even
3143         * after it thinks the user has connected to a good access point.
3144         */
3145        @Deprecated
3146        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3147                "wifi_watchdog_background_check_enabled";
3148
3149        /**
3150         * The timeout for a background ping
3151         */
3152        @Deprecated
3153        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3154                "wifi_watchdog_background_check_timeout_ms";
3155
3156        /**
3157         * The number of initial pings to perform that *may* be ignored if they
3158         * fail. Again, if these fail, they will *not* be used in packet loss
3159         * calculation. For example, one network always seemed to time out for
3160         * the first couple pings, so this is set to 3 by default.
3161         */
3162        @Deprecated
3163        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3164            "wifi_watchdog_initial_ignored_ping_count";
3165
3166        /**
3167         * The maximum number of access points (per network) to attempt to test.
3168         * If this number is reached, the watchdog will no longer monitor the
3169         * initial connection state for the network. This is a safeguard for
3170         * networks containing multiple APs whose DNS does not respond to pings.
3171         */
3172        @Deprecated
3173        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3174
3175        /**
3176         * Whether the Wi-Fi watchdog is enabled.
3177         */
3178        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3179
3180        /**
3181         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3182         */
3183        @Deprecated
3184        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3185
3186        /**
3187         * The number of pings to test if an access point is a good connection.
3188         */
3189        @Deprecated
3190        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3191
3192        /**
3193         * The delay between pings.
3194         */
3195        @Deprecated
3196        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3197
3198        /**
3199         * The timeout per ping.
3200         */
3201        @Deprecated
3202        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3203
3204        /**
3205         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3206         * @hide
3207         */
3208        public static final String WIFI_WATCHDOG_ARP_CHECK_INTERVAL_MS =
3209                "wifi_watchdog_arp_interval_ms";
3210
3211        /**
3212         * ms delay interval between rssi polling when the signal is known to be weak
3213         * @hide
3214         */
3215        public static final String WIFI_WATCHDOG_RSSI_FETCH_INTERVAL_MS =
3216                "wifi_watchdog_rssi_fetch_interval_ms";
3217
3218
3219        /**
3220         * ms delay before rechecking a connect SSID for walled garden with a http download.
3221         * @hide
3222         */
3223        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3224                "wifi_watchdog_walled_garden_interval_ms";
3225
3226        /**
3227         * Number of ARP pings per check.
3228         * @hide
3229         */
3230        public static final String WIFI_WATCHDOG_NUM_ARP_PINGS = "wifi_watchdog_num_arp_pings";
3231
3232        /**
3233         * Minimum number of responses to the arp pings to consider the test 'successful'.
3234         * @hide
3235         */
3236        public static final String WIFI_WATCHDOG_MIN_ARP_RESPONSES =
3237                "wifi_watchdog_min_arp_responses";
3238
3239        /**
3240         * Timeout on ARP pings
3241         * @hide
3242         */
3243        public static final String WIFI_WATCHDOG_ARP_PING_TIMEOUT_MS =
3244                "wifi_watchdog_arp_ping_timeout_ms";
3245
3246        /**
3247         * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
3248         * the setting needs to be set to 0 to disable it.
3249         * @hide
3250         */
3251        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3252                "wifi_watchdog_poor_network_test_enabled";
3253
3254        /**
3255         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3256         * the setting needs to be set to 0 to disable it.
3257         * @hide
3258         */
3259        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3260                "wifi_watchdog_walled_garden_test_enabled";
3261
3262        /**
3263         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3264         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3265         * is not part of the title string to notify the user on the presence of a walled garden.
3266         * @hide
3267         */
3268        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3269                "wifi_watchdog_walled_garden_url";
3270
3271        /**
3272         * The maximum number of times we will retry a connection to an access
3273         * point for which we have failed in acquiring an IP address from DHCP.
3274         * A value of N means that we will make N+1 connection attempts in all.
3275         */
3276        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3277
3278        /**
3279         * The operational wifi frequency band
3280         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3281         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3282         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3283         *
3284         * @hide
3285         */
3286        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3287
3288        /**
3289         * The Wi-Fi peer-to-peer device name
3290         * @hide
3291         */
3292        public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
3293
3294        /**
3295         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3296         * data connectivity to be established after a disconnect from Wi-Fi.
3297         */
3298        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3299            "wifi_mobile_data_transition_wakelock_timeout_ms";
3300
3301        /**
3302         * Whether network service discovery is enabled.
3303         * @hide
3304         */
3305        public static final String NSD_ON = "nsd_on";
3306
3307        /**
3308         * Whether background data usage is allowed by the user. See
3309         * ConnectivityManager for more info.
3310         */
3311        @Deprecated
3312        public static final String BACKGROUND_DATA = "background_data";
3313
3314        /**
3315         * Origins for which browsers should allow geolocation by default.
3316         * The value is a space-separated list of origins.
3317         */
3318        public static final String ALLOWED_GEOLOCATION_ORIGINS
3319                = "allowed_geolocation_origins";
3320
3321        /**
3322         * Whether mobile data connections are allowed by the user.  See
3323         * ConnectivityManager for more info.
3324         * @hide
3325         */
3326        public static final String MOBILE_DATA = "mobile_data";
3327
3328        /**
3329         * The CDMA roaming mode 0 = Home Networks, CDMA default
3330         *                       1 = Roaming on Affiliated networks
3331         *                       2 = Roaming on any networks
3332         * @hide
3333         */
3334        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3335
3336        /**
3337         * The CDMA subscription mode 0 = RUIM/SIM (default)
3338         *                                1 = NV
3339         * @hide
3340         */
3341        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3342
3343        /**
3344         * The preferred network mode   7 = Global
3345         *                              6 = EvDo only
3346         *                              5 = CDMA w/o EvDo
3347         *                              4 = CDMA / EvDo auto
3348         *                              3 = GSM / WCDMA auto
3349         *                              2 = WCDMA only
3350         *                              1 = GSM only
3351         *                              0 = GSM / WCDMA preferred
3352         * @hide
3353         */
3354        public static final String PREFERRED_NETWORK_MODE =
3355                "preferred_network_mode";
3356
3357        /**
3358         * The preferred TTY mode     0 = TTy Off, CDMA default
3359         *                            1 = TTY Full
3360         *                            2 = TTY HCO
3361         *                            3 = TTY VCO
3362         * @hide
3363         */
3364        public static final String PREFERRED_TTY_MODE =
3365                "preferred_tty_mode";
3366
3367
3368        /**
3369         * CDMA Cell Broadcast SMS
3370         *                            0 = CDMA Cell Broadcast SMS disabled
3371         *                            1 = CDMA Cell Broadcast SMS enabled
3372         * @hide
3373         */
3374        public static final String CDMA_CELL_BROADCAST_SMS =
3375                "cdma_cell_broadcast_sms";
3376
3377        /**
3378         * The cdma subscription 0 = Subscription from RUIM, when available
3379         *                       1 = Subscription from NV
3380         * @hide
3381         */
3382        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3383                "preferred_cdma_subscription";
3384
3385        /**
3386         * Whether the enhanced voice privacy mode is enabled.
3387         * 0 = normal voice privacy
3388         * 1 = enhanced voice privacy
3389         * @hide
3390         */
3391        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3392
3393        /**
3394         * Whether the TTY mode mode is enabled.
3395         * 0 = disabled
3396         * 1 = enabled
3397         * @hide
3398         */
3399        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3400
3401        /**
3402         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3403         * @hide
3404         */
3405        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3406
3407        /**
3408         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3409         * @hide
3410         */
3411        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3412
3413        /**
3414         * Controls whether settings backup is enabled.
3415         * Type: int ( 0 = disabled, 1 = enabled )
3416         * @hide
3417         */
3418        public static final String BACKUP_ENABLED = "backup_enabled";
3419
3420        /**
3421         * Controls whether application data is automatically restored from backup
3422         * at install time.
3423         * Type: int ( 0 = disabled, 1 = enabled )
3424         * @hide
3425         */
3426        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3427
3428        /**
3429         * Indicates whether settings backup has been fully provisioned.
3430         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3431         * @hide
3432         */
3433        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3434
3435        /**
3436         * Component of the transport to use for backup/restore.
3437         * @hide
3438         */
3439        public static final String BACKUP_TRANSPORT = "backup_transport";
3440
3441        /**
3442         * Version for which the setup wizard was last shown.  Bumped for
3443         * each release when there is new setup information to show.
3444         * @hide
3445         */
3446        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3447
3448        /**
3449         * How frequently (in seconds) to check the memory status of the
3450         * device.
3451         * @hide
3452         */
3453        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3454
3455        /**
3456         * Max frequency (in seconds) to log memory check stats, in realtime
3457         * seconds.  This allows for throttling of logs when the device is
3458         * running for large amounts of time.
3459         * @hide
3460         */
3461        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3462                "memcheck_log_realtime_interval";
3463
3464        /**
3465         * Boolean indicating whether rebooting due to system memory checks
3466         * is enabled.
3467         * @hide
3468         */
3469        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3470
3471        /**
3472         * How many bytes the system process must be below to avoid scheduling
3473         * a soft reboot.  This reboot will happen when it is next determined
3474         * to be a good time.
3475         * @hide
3476         */
3477        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3478
3479        /**
3480         * How many bytes the system process must be below to avoid scheduling
3481         * a hard reboot.  This reboot will happen immediately.
3482         * @hide
3483         */
3484        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3485
3486        /**
3487         * How many bytes the phone process must be below to avoid scheduling
3488         * a soft restart.  This restart will happen when it is next determined
3489         * to be a good time.
3490         * @hide
3491         */
3492        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3493
3494        /**
3495         * How many bytes the phone process must be below to avoid scheduling
3496         * a hard restart.  This restart will happen immediately.
3497         * @hide
3498         */
3499        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3500
3501        /**
3502         * Boolean indicating whether restarting the phone process due to
3503         * memory checks is enabled.
3504         * @hide
3505         */
3506        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3507
3508        /**
3509         * First time during the day it is okay to kill processes
3510         * or reboot the device due to low memory situations.  This number is
3511         * in seconds since midnight.
3512         * @hide
3513         */
3514        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3515
3516        /**
3517         * Last time during the day it is okay to kill processes
3518         * or reboot the device due to low memory situations.  This number is
3519         * in seconds since midnight.
3520         * @hide
3521         */
3522        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3523
3524        /**
3525         * How long the screen must have been off in order to kill processes
3526         * or reboot.  This number is in seconds.  A value of -1 means to
3527         * entirely disregard whether the screen is on.
3528         * @hide
3529         */
3530        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3531
3532        /**
3533         * How much time there must be until the next alarm in order to kill processes
3534         * or reboot.  This number is in seconds.  Note: this value must be
3535         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3536         * always see an alarm scheduled within its time.
3537         * @hide
3538         */
3539        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3540
3541        /**
3542         * How frequently to check whether it is a good time to restart things,
3543         * if the device is in a bad state.  This number is in seconds.  Note:
3544         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3545         * the alarm to schedule the recheck will always appear within the
3546         * minimum "do not execute now" time.
3547         * @hide
3548         */
3549        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3550
3551        /**
3552         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3553         * will occur.
3554         * @hide
3555         */
3556        public static final String REBOOT_INTERVAL = "reboot_interval";
3557
3558        /**
3559         * First time during the day it is okay to force a reboot of the
3560         * device (if REBOOT_INTERVAL is set).  This number is
3561         * in seconds since midnight.
3562         * @hide
3563         */
3564        public static final String REBOOT_START_TIME = "reboot_start_time";
3565
3566        /**
3567         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3568         * a reboot can be executed.  If 0, a reboot will always be executed at
3569         * exactly the given time.  Otherwise, it will only be executed if
3570         * the device is idle within the window.
3571         * @hide
3572         */
3573        public static final String REBOOT_WINDOW = "reboot_window";
3574
3575        /**
3576         * Threshold values for the duration and level of a discharge cycle, under
3577         * which we log discharge cycle info.
3578         * @hide
3579         */
3580        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3581                "battery_discharge_duration_threshold";
3582        /** @hide */
3583        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3584
3585        /**
3586         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3587         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3588         * will never display the "Report" button.
3589         * Type: int ( 0 = disallow, 1 = allow )
3590         * @hide
3591         */
3592        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3593
3594        /**
3595         * Nonzero causes Log.wtf() to crash.
3596         * @hide
3597         */
3598        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3599
3600        /**
3601         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3602         * @hide
3603         */
3604        public static final String DROPBOX_AGE_SECONDS =
3605                "dropbox_age_seconds";
3606        /**
3607         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3608         * @hide
3609         */
3610        public static final String DROPBOX_MAX_FILES =
3611                "dropbox_max_files";
3612        /**
3613         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3614         * @hide
3615         */
3616        public static final String DROPBOX_QUOTA_KB =
3617                "dropbox_quota_kb";
3618        /**
3619         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3620         * @hide
3621         */
3622        public static final String DROPBOX_QUOTA_PERCENT =
3623                "dropbox_quota_percent";
3624        /**
3625         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3626         * @hide
3627         */
3628        public static final String DROPBOX_RESERVE_PERCENT =
3629                "dropbox_reserve_percent";
3630        /**
3631         * Prefix for per-tag dropbox disable/enable settings.
3632         * @hide
3633         */
3634        public static final String DROPBOX_TAG_PREFIX =
3635                "dropbox:";
3636        /**
3637         * Lines of logcat to include with system crash/ANR/etc. reports,
3638         * as a prefix of the dropbox tag of the report type.
3639         * For example, "logcat_for_system_server_anr" controls the lines
3640         * of logcat captured with system server ANR reports.  0 to disable.
3641         * @hide
3642         */
3643        public static final String ERROR_LOGCAT_PREFIX =
3644                "logcat_for_";
3645
3646
3647        /**
3648         * Screen timeout in milliseconds corresponding to the
3649         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3650         * possible screen timeout behavior.)
3651         * @hide
3652         */
3653        public static final String SHORT_KEYLIGHT_DELAY_MS =
3654                "short_keylight_delay_ms";
3655
3656        /**
3657         * The interval in minutes after which the amount of free storage left on the
3658         * device is logged to the event log
3659         * @hide
3660         */
3661        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3662                "sys_free_storage_log_interval";
3663
3664        /**
3665         * Threshold for the amount of change in disk free space required to report the amount of
3666         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3667         * frequently.
3668         * @hide
3669         */
3670        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3671                "disk_free_change_reporting_threshold";
3672
3673
3674        /**
3675         * Minimum percentage of free storage on the device that is used to determine if
3676         * the device is running low on storage.  The default is 10.
3677         * <p>Say this value is set to 10, the device is considered running low on storage
3678         * if 90% or more of the device storage is filled up.
3679         * @hide
3680         */
3681        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3682                "sys_storage_threshold_percentage";
3683
3684        /**
3685         * Maximum byte size of the low storage threshold.  This is to ensure
3686         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3687         * an overly large threshold for large storage devices.  Currently this
3688         * must be less than 2GB.  This default is 500MB.
3689         * @hide
3690         */
3691        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3692                "sys_storage_threshold_max_bytes";
3693
3694        /**
3695         * Minimum bytes of free storage on the device before the data
3696         * partition is considered full. By default, 1 MB is reserved
3697         * to avoid system-wide SQLite disk full exceptions.
3698         * @hide
3699         */
3700        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3701                "sys_storage_full_threshold_bytes";
3702
3703        /**
3704         * The interval in milliseconds after which Wi-Fi is considered idle.
3705         * When idle, it is possible for the device to be switched from Wi-Fi to
3706         * the mobile data network.
3707         * @hide
3708         */
3709        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3710
3711        /**
3712         * The interval in milliseconds to issue wake up scans when wifi needs
3713         * to connect. This is necessary to connect to an access point when
3714         * device is on the move and the screen is off.
3715         * @hide
3716         */
3717        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3718                "wifi_framework_scan_interval_ms";
3719
3720        /**
3721         * The interval in milliseconds to scan as used by the wifi supplicant
3722         * @hide
3723         */
3724        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3725                "wifi_supplicant_scan_interval_ms";
3726
3727        /**
3728         * The interval in milliseconds at which to check packet counts on the
3729         * mobile data interface when screen is on, to detect possible data
3730         * connection problems.
3731         * @hide
3732         */
3733        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3734                "pdp_watchdog_poll_interval_ms";
3735
3736        /**
3737         * The interval in milliseconds at which to check packet counts on the
3738         * mobile data interface when screen is off, to detect possible data
3739         * connection problems.
3740         * @hide
3741         */
3742        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3743                "pdp_watchdog_long_poll_interval_ms";
3744
3745        /**
3746         * The interval in milliseconds at which to check packet counts on the
3747         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3748         * outgoing packets has been reached without incoming packets.
3749         * @hide
3750         */
3751        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3752                "pdp_watchdog_error_poll_interval_ms";
3753
3754        /**
3755         * The number of outgoing packets sent without seeing an incoming packet
3756         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3757         * device is logged to the event log
3758         * @hide
3759         */
3760        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3761                "pdp_watchdog_trigger_packet_count";
3762
3763        /**
3764         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3765         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3766         * attempting data connection recovery.
3767         * @hide
3768         */
3769        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3770                "pdp_watchdog_error_poll_count";
3771
3772        /**
3773         * The number of failed PDP reset attempts before moving to something more
3774         * drastic: re-registering to the network.
3775         * @hide
3776         */
3777        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3778                "pdp_watchdog_max_pdp_reset_fail_count";
3779
3780        /**
3781         * The number of milliseconds to delay when checking for data stalls during
3782         * non-aggressive detection. (screen is turned off.)
3783         * @hide
3784         */
3785        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3786                "data_stall_alarm_non_aggressive_delay_in_ms";
3787
3788        /**
3789         * The number of milliseconds to delay when checking for data stalls during
3790         * aggressive detection. (screen on or suspected data stall)
3791         * @hide
3792         */
3793        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3794                "data_stall_alarm_aggressive_delay_in_ms";
3795
3796        /**
3797         * The interval in milliseconds at which to check gprs registration
3798         * after the first registration mismatch of gprs and voice service,
3799         * to detect possible data network registration problems.
3800         *
3801         * @hide
3802         */
3803        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3804                "gprs_register_check_period_ms";
3805
3806        /**
3807         * The length of time in milli-seconds that automatic small adjustments to
3808         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3809         * @hide
3810         */
3811        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3812
3813        /**
3814         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3815         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3816         * exceeded.
3817         * @hide
3818         */
3819        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3820
3821        /**
3822         * The maximum reconnect delay for short network outages or when the network is suspended
3823         * due to phone use.
3824         * @hide
3825         */
3826        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3827                "sync_max_retry_delay_in_seconds";
3828
3829        /**
3830         * The interval in milliseconds at which to check the number of SMS sent
3831         * out without asking for use permit, to limit the un-authorized SMS
3832         * usage.
3833         * @hide
3834         */
3835        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3836                "sms_outgoing_check_interval_ms";
3837
3838        /**
3839         * The number of outgoing SMS sent without asking for user permit
3840         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3841         * @hide
3842         */
3843        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3844                "sms_outgoing_check_max_count";
3845
3846        /**
3847         * The global search provider chosen by the user (if multiple global
3848         * search providers are installed). This will be the provider returned
3849         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3850         * installed. This setting is stored as a flattened component name as
3851         * per {@link ComponentName#flattenToString()}.
3852         *
3853         * @hide
3854         */
3855        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3856                "search_global_search_activity";
3857
3858        /**
3859         * The number of promoted sources in GlobalSearch.
3860         * @hide
3861         */
3862        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3863        /**
3864         * The maximum number of suggestions returned by GlobalSearch.
3865         * @hide
3866         */
3867        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3868        /**
3869         * The number of suggestions GlobalSearch will ask each non-web search source for.
3870         * @hide
3871         */
3872        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3873        /**
3874         * The number of suggestions the GlobalSearch will ask the web search source for.
3875         * @hide
3876         */
3877        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3878                "search_web_results_override_limit";
3879        /**
3880         * The number of milliseconds that GlobalSearch will wait for suggestions from
3881         * promoted sources before continuing with all other sources.
3882         * @hide
3883         */
3884        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3885                "search_promoted_source_deadline_millis";
3886        /**
3887         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3888         * @hide
3889         */
3890        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3891        /**
3892         * The maximum number of milliseconds that GlobalSearch shows the previous results
3893         * after receiving a new query.
3894         * @hide
3895         */
3896        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3897        /**
3898         * The maximum age of log data used for shortcuts in GlobalSearch.
3899         * @hide
3900         */
3901        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3902        /**
3903         * The maximum age of log data used for source ranking in GlobalSearch.
3904         * @hide
3905         */
3906        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3907                "search_max_source_event_age_millis";
3908        /**
3909         * The minimum number of impressions needed to rank a source in GlobalSearch.
3910         * @hide
3911         */
3912        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3913                "search_min_impressions_for_source_ranking";
3914        /**
3915         * The minimum number of clicks needed to rank a source in GlobalSearch.
3916         * @hide
3917         */
3918        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3919                "search_min_clicks_for_source_ranking";
3920        /**
3921         * The maximum number of shortcuts shown by GlobalSearch.
3922         * @hide
3923         */
3924        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3925        /**
3926         * The size of the core thread pool for suggestion queries in GlobalSearch.
3927         * @hide
3928         */
3929        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3930                "search_query_thread_core_pool_size";
3931        /**
3932         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3933         * @hide
3934         */
3935        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3936                "search_query_thread_max_pool_size";
3937        /**
3938         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3939         * @hide
3940         */
3941        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3942                "search_shortcut_refresh_core_pool_size";
3943        /**
3944         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3945         * @hide
3946         */
3947        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3948                "search_shortcut_refresh_max_pool_size";
3949        /**
3950         * The maximun time that excess threads in the GlobalSeach thread pools will
3951         * wait before terminating.
3952         * @hide
3953         */
3954        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3955                "search_thread_keepalive_seconds";
3956        /**
3957         * The maximum number of concurrent suggestion queries to each source.
3958         * @hide
3959         */
3960        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3961                "search_per_source_concurrent_query_limit";
3962
3963        /**
3964         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3965         * @hide
3966         */
3967        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3968
3969        /**
3970         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3971         * @hide
3972         */
3973        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3974
3975        /**
3976         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3977         * @hide
3978         */
3979        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3980
3981        /**
3982         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3983         * @hide
3984         */
3985        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3986
3987        /**
3988         * If nonzero, ANRs in invisible background processes bring up a dialog.
3989         * Otherwise, the process will be silently killed.
3990         * @hide
3991         */
3992        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3993
3994        /**
3995         * The {@link ComponentName} string of the service to be used as the voice recognition
3996         * service.
3997         *
3998         * @hide
3999         */
4000        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
4001
4002
4003        /**
4004         * The {@link ComponentName} string of the selected spell checker service which is
4005         * one of the services managed by the text service manager.
4006         *
4007         * @hide
4008         */
4009        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
4010
4011        /**
4012         * The {@link ComponentName} string of the selected subtype of the selected spell checker
4013         * service which is one of the services managed by the text service manager.
4014         *
4015         * @hide
4016         */
4017        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
4018                "selected_spell_checker_subtype";
4019
4020        /**
4021         * The {@link ComponentName} string whether spell checker is enabled or not.
4022         *
4023         * @hide
4024         */
4025        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
4026
4027        /**
4028         * What happens when the user presses the Power button while in-call
4029         * and the screen is on.<br/>
4030         * <b>Values:</b><br/>
4031         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
4032         * 2 - The Power button hangs up the current call.<br/>
4033         *
4034         * @hide
4035         */
4036        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
4037
4038        /**
4039         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
4040         * @hide
4041         */
4042        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
4043
4044        /**
4045         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
4046         * @hide
4047         */
4048        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
4049
4050        /**
4051         * INCALL_POWER_BUTTON_BEHAVIOR default value.
4052         * @hide
4053         */
4054        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
4055                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
4056
4057        /**
4058         * The current night mode that has been selected by the user.  Owned
4059         * and controlled by UiModeManagerService.  Constants are as per
4060         * UiModeManager.
4061         * @hide
4062         */
4063        public static final String UI_NIGHT_MODE = "ui_night_mode";
4064
4065        /**
4066         * Let user pick default install location.
4067         * @hide
4068         */
4069        public static final String SET_INSTALL_LOCATION = "set_install_location";
4070
4071        /**
4072         * Default install location value.
4073         * 0 = auto, let system decide
4074         * 1 = internal
4075         * 2 = sdcard
4076         * @hide
4077         */
4078        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
4079
4080        /**
4081         * The bandwidth throttle polling freqency in seconds
4082         * @hide
4083         */
4084        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
4085
4086        /**
4087         * The bandwidth throttle threshold (long)
4088         * @hide
4089         */
4090        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
4091
4092        /**
4093         * The bandwidth throttle value (kbps)
4094         * @hide
4095         */
4096        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
4097
4098        /**
4099         * The bandwidth throttle reset calendar day (1-28)
4100         * @hide
4101         */
4102        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
4103
4104        /**
4105         * The throttling notifications we should send
4106         * @hide
4107         */
4108        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
4109
4110        /**
4111         * Help URI for data throttling policy
4112         * @hide
4113         */
4114        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
4115
4116        /**
4117         * The length of time in Sec that we allow our notion of NTP time
4118         * to be cached before we refresh it
4119         * @hide
4120         */
4121        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
4122                "throttle_max_ntp_cache_age_sec";
4123
4124        /**
4125         * The maximum size, in bytes, of a download that the download manager will transfer over
4126         * a non-wifi connection.
4127         * @hide
4128         */
4129        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
4130                "download_manager_max_bytes_over_mobile";
4131
4132        /**
4133         * The recommended maximum size, in bytes, of a download that the download manager should
4134         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
4135         * have the option to start the download over the mobile connection anyway.
4136         * @hide
4137         */
4138        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4139                "download_manager_recommended_max_bytes_over_mobile";
4140
4141        /**
4142         * ms during which to consume extra events related to Inet connection condition
4143         * after a transtion to fully-connected
4144         * @hide
4145         */
4146        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4147                "inet_condition_debounce_up_delay";
4148
4149        /**
4150         * ms during which to consume extra events related to Inet connection condtion
4151         * after a transtion to partly-connected
4152         * @hide
4153         */
4154        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4155                "inet_condition_debounce_down_delay";
4156
4157        /**
4158         * URL to open browser on to allow user to manage a prepay account
4159         * @hide
4160         */
4161        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4162                "setup_prepaid_data_service_url";
4163
4164        /**
4165         * URL to attempt a GET on to see if this is a prepay device
4166         * @hide
4167         */
4168        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4169                "setup_prepaid_detection_target_url";
4170
4171        /**
4172         * Host to check for a redirect to after an attempt to GET
4173         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4174         * this is a prepaid device with zero balance.)
4175         * @hide
4176         */
4177        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4178                "setup_prepaid_detection_redir_host";
4179
4180        /**
4181         * Whether the screensaver is enabled.
4182         * @hide
4183         */
4184        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
4185
4186        /**
4187         * The user's chosen screensaver component.
4188         *
4189         * This component will be launched by the PhoneWindowManager after a timeout when not on
4190         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
4191         * @hide
4192         */
4193        public static final String SCREENSAVER_COMPONENT = "screensaver_component";
4194
4195        /**
4196         * Whether the screensaver should be automatically launched when the device is inserted
4197         * into a (desk) dock.
4198         * @hide
4199         */
4200        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
4201
4202        /** {@hide} */
4203        public static final String NETSTATS_ENABLED = "netstats_enabled";
4204        /** {@hide} */
4205        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4206        /** {@hide} */
4207        public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
4208        /** {@hide} */
4209        public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
4210        /** {@hide} */
4211        public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
4212
4213        /** {@hide} */
4214        public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
4215        /** {@hide} */
4216        public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
4217        /** {@hide} */
4218        public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
4219        /** {@hide} */
4220        public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
4221
4222        /** {@hide} */
4223        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4224        /** {@hide} */
4225        public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
4226        /** {@hide} */
4227        public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
4228        /** {@hide} */
4229        public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
4230
4231        /** {@hide} */
4232        public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
4233        /** {@hide} */
4234        public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
4235        /** {@hide} */
4236        public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
4237        /** {@hide} */
4238        public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
4239
4240        /** Preferred NTP server. {@hide} */
4241        public static final String NTP_SERVER = "ntp_server";
4242        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4243        public static final String NTP_TIMEOUT = "ntp_timeout";
4244
4245        /** Autofill server address (Used in WebView/browser). {@hide} */
4246        public static final String WEB_AUTOFILL_QUERY_URL =
4247            "web_autofill_query_url";
4248
4249        /** Whether package verification is enabled. {@hide} */
4250        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4251
4252        /** Timeout for package verification. {@hide} */
4253        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4254
4255        /**
4256         * Duration in milliseconds before pre-authorized URIs for the contacts
4257         * provider should expire.
4258         * @hide
4259         */
4260        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4261                "contacts_preauth_uri_expiration";
4262
4263        /**
4264         * This are the settings to be backed up.
4265         *
4266         * NOTE: Settings are backed up and restored in the order they appear
4267         *       in this array. If you have one setting depending on another,
4268         *       make sure that they are ordered appropriately.
4269         *
4270         * @hide
4271         */
4272        public static final String[] SETTINGS_TO_BACKUP = {
4273            ADB_ENABLED,
4274            ALLOW_MOCK_LOCATION,
4275            PARENTAL_CONTROL_ENABLED,
4276            PARENTAL_CONTROL_REDIRECT_URL,
4277            USB_MASS_STORAGE_ENABLED,
4278            ACCESSIBILITY_SCRIPT_INJECTION,
4279            BACKUP_AUTO_RESTORE,
4280            ENABLED_ACCESSIBILITY_SERVICES,
4281            TOUCH_EXPLORATION_ENABLED,
4282            ACCESSIBILITY_ENABLED,
4283            ACCESSIBILITY_SPEAK_PASSWORD,
4284            TTS_USE_DEFAULTS,
4285            TTS_DEFAULT_RATE,
4286            TTS_DEFAULT_PITCH,
4287            TTS_DEFAULT_SYNTH,
4288            TTS_DEFAULT_LANG,
4289            TTS_DEFAULT_COUNTRY,
4290            TTS_ENABLED_PLUGINS,
4291            TTS_DEFAULT_LOCALE,
4292            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4293            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4294            WIFI_NUM_OPEN_NETWORKS_KEPT,
4295            MOUNT_PLAY_NOTIFICATION_SND,
4296            MOUNT_UMS_AUTOSTART,
4297            MOUNT_UMS_PROMPT,
4298            MOUNT_UMS_NOTIFY_ENABLED,
4299            UI_NIGHT_MODE,
4300            LOCK_SCREEN_OWNER_INFO,
4301            LOCK_SCREEN_OWNER_INFO_ENABLED
4302        };
4303
4304        /**
4305         * Helper method for determining if a location provider is enabled.
4306         * @param cr the content resolver to use
4307         * @param provider the location provider to query
4308         * @return true if the provider is enabled
4309         */
4310        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4311            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4312            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4313        }
4314
4315        /**
4316         * Thread-safe method for enabling or disabling a single location provider.
4317         * @param cr the content resolver to use
4318         * @param provider the location provider to enable or disable
4319         * @param enabled true if the provider should be enabled
4320         */
4321        public static final void setLocationProviderEnabled(ContentResolver cr,
4322                String provider, boolean enabled) {
4323            // to ensure thread safety, we write the provider name with a '+' or '-'
4324            // and let the SettingsProvider handle it rather than reading and modifying
4325            // the list of enabled providers.
4326            if (enabled) {
4327                provider = "+" + provider;
4328            } else {
4329                provider = "-" + provider;
4330            }
4331            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4332        }
4333    }
4334
4335    /**
4336     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4337     * Intent URL, allowing it to be either a web page or a particular
4338     * application activity.
4339     *
4340     * @hide
4341     */
4342    public static final class Bookmarks implements BaseColumns
4343    {
4344        private static final String TAG = "Bookmarks";
4345
4346        /**
4347         * The content:// style URL for this table
4348         */
4349        public static final Uri CONTENT_URI =
4350            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4351
4352        /**
4353         * The row ID.
4354         * <p>Type: INTEGER</p>
4355         */
4356        public static final String ID = "_id";
4357
4358        /**
4359         * Descriptive name of the bookmark that can be displayed to the user.
4360         * If this is empty, the title should be resolved at display time (use
4361         * {@link #getTitle(Context, Cursor)} any time you want to display the
4362         * title of a bookmark.)
4363         * <P>
4364         * Type: TEXT
4365         * </P>
4366         */
4367        public static final String TITLE = "title";
4368
4369        /**
4370         * Arbitrary string (displayed to the user) that allows bookmarks to be
4371         * organized into categories.  There are some special names for
4372         * standard folders, which all start with '@'.  The label displayed for
4373         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4374         * the folder name does not change so you can consistently query for
4375         * the folder regardless of the current locale.
4376         *
4377         * <P>Type: TEXT</P>
4378         *
4379         */
4380        public static final String FOLDER = "folder";
4381
4382        /**
4383         * The Intent URL of the bookmark, describing what it points to.  This
4384         * value is given to {@link android.content.Intent#getIntent} to create
4385         * an Intent that can be launched.
4386         * <P>Type: TEXT</P>
4387         */
4388        public static final String INTENT = "intent";
4389
4390        /**
4391         * Optional shortcut character associated with this bookmark.
4392         * <P>Type: INTEGER</P>
4393         */
4394        public static final String SHORTCUT = "shortcut";
4395
4396        /**
4397         * The order in which the bookmark should be displayed
4398         * <P>Type: INTEGER</P>
4399         */
4400        public static final String ORDERING = "ordering";
4401
4402        private static final String[] sIntentProjection = { INTENT };
4403        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4404        private static final String sShortcutSelection = SHORTCUT + "=?";
4405
4406        /**
4407         * Convenience function to retrieve the bookmarked Intent for a
4408         * particular shortcut key.
4409         *
4410         * @param cr The ContentResolver to query.
4411         * @param shortcut The shortcut key.
4412         *
4413         * @return Intent The bookmarked URL, or null if there is no bookmark
4414         *         matching the given shortcut.
4415         */
4416        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4417        {
4418            Intent intent = null;
4419
4420            Cursor c = cr.query(CONTENT_URI,
4421                    sIntentProjection, sShortcutSelection,
4422                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4423            // Keep trying until we find a valid shortcut
4424            try {
4425                while (intent == null && c.moveToNext()) {
4426                    try {
4427                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4428                        intent = Intent.parseUri(intentURI, 0);
4429                    } catch (java.net.URISyntaxException e) {
4430                        // The stored URL is bad...  ignore it.
4431                    } catch (IllegalArgumentException e) {
4432                        // Column not found
4433                        Log.w(TAG, "Intent column not found", e);
4434                    }
4435                }
4436            } finally {
4437                if (c != null) c.close();
4438            }
4439
4440            return intent;
4441        }
4442
4443        /**
4444         * Add a new bookmark to the system.
4445         *
4446         * @param cr The ContentResolver to query.
4447         * @param intent The desired target of the bookmark.
4448         * @param title Bookmark title that is shown to the user; null if none
4449         *            or it should be resolved to the intent's title.
4450         * @param folder Folder in which to place the bookmark; null if none.
4451         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4452         *            this is non-zero and there is an existing bookmark entry
4453         *            with this same shortcut, then that existing shortcut is
4454         *            cleared (the bookmark is not removed).
4455         * @return The unique content URL for the new bookmark entry.
4456         */
4457        public static Uri add(ContentResolver cr,
4458                                           Intent intent,
4459                                           String title,
4460                                           String folder,
4461                                           char shortcut,
4462                                           int ordering)
4463        {
4464            // If a shortcut is supplied, and it is already defined for
4465            // another bookmark, then remove the old definition.
4466            if (shortcut != 0) {
4467                cr.delete(CONTENT_URI, sShortcutSelection,
4468                        new String[] { String.valueOf((int) shortcut) });
4469            }
4470
4471            ContentValues values = new ContentValues();
4472            if (title != null) values.put(TITLE, title);
4473            if (folder != null) values.put(FOLDER, folder);
4474            values.put(INTENT, intent.toUri(0));
4475            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4476            values.put(ORDERING, ordering);
4477            return cr.insert(CONTENT_URI, values);
4478        }
4479
4480        /**
4481         * Return the folder name as it should be displayed to the user.  This
4482         * takes care of localizing special folders.
4483         *
4484         * @param r Resources object for current locale; only need access to
4485         *          system resources.
4486         * @param folder The value found in the {@link #FOLDER} column.
4487         *
4488         * @return CharSequence The label for this folder that should be shown
4489         *         to the user.
4490         */
4491        public static CharSequence getLabelForFolder(Resources r, String folder) {
4492            return folder;
4493        }
4494
4495        /**
4496         * Return the title as it should be displayed to the user. This takes
4497         * care of localizing bookmarks that point to activities.
4498         *
4499         * @param context A context.
4500         * @param cursor A cursor pointing to the row whose title should be
4501         *        returned. The cursor must contain at least the {@link #TITLE}
4502         *        and {@link #INTENT} columns.
4503         * @return A title that is localized and can be displayed to the user,
4504         *         or the empty string if one could not be found.
4505         */
4506        public static CharSequence getTitle(Context context, Cursor cursor) {
4507            int titleColumn = cursor.getColumnIndex(TITLE);
4508            int intentColumn = cursor.getColumnIndex(INTENT);
4509            if (titleColumn == -1 || intentColumn == -1) {
4510                throw new IllegalArgumentException(
4511                        "The cursor must contain the TITLE and INTENT columns.");
4512            }
4513
4514            String title = cursor.getString(titleColumn);
4515            if (!TextUtils.isEmpty(title)) {
4516                return title;
4517            }
4518
4519            String intentUri = cursor.getString(intentColumn);
4520            if (TextUtils.isEmpty(intentUri)) {
4521                return "";
4522            }
4523
4524            Intent intent;
4525            try {
4526                intent = Intent.parseUri(intentUri, 0);
4527            } catch (URISyntaxException e) {
4528                return "";
4529            }
4530
4531            PackageManager packageManager = context.getPackageManager();
4532            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4533            return info != null ? info.loadLabel(packageManager) : "";
4534        }
4535    }
4536
4537    /**
4538     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4539     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4540     * from the GoogleLoginService.
4541     *
4542     * @param androidId The Android ID for this device.
4543     * @return The device ID that should be used when connecting to the mobile gtalk server.
4544     * @hide
4545     */
4546    public static String getGTalkDeviceId(long androidId) {
4547        return "android-" + Long.toHexString(androidId);
4548    }
4549}
4550