Settings.java revision dde331cebd87982faded6818ad5f9927ff994c96
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.app.SearchManager;
22import android.content.ComponentName;
23import android.content.ContentResolver;
24import android.content.ContentValues;
25import android.content.Context;
26import android.content.IContentProvider;
27import android.content.Intent;
28import android.content.pm.ActivityInfo;
29import android.content.pm.PackageManager;
30import android.content.pm.ResolveInfo;
31import android.content.res.Configuration;
32import android.content.res.Resources;
33import android.database.Cursor;
34import android.database.SQLException;
35import android.net.Uri;
36import android.net.wifi.WifiManager;
37import android.os.BatteryManager;
38import android.os.Bundle;
39import android.os.IBinder;
40import android.os.Process;
41import android.os.RemoteException;
42import android.os.ServiceManager;
43import android.os.SystemProperties;
44import android.os.UserId;
45import android.speech.tts.TextToSpeech;
46import android.text.TextUtils;
47import android.util.AndroidException;
48import android.util.Log;
49import android.view.WindowOrientationListener;
50
51import com.android.internal.widget.ILockSettings;
52
53import java.net.URISyntaxException;
54import java.util.HashMap;
55import java.util.HashSet;
56
57/**
58 * The Settings provider contains global system-level device preferences.
59 */
60public final class Settings {
61
62    // Intent actions for Settings
63
64    /**
65     * Activity Action: Show system settings.
66     * <p>
67     * Input: Nothing.
68     * <p>
69     * Output: Nothing.
70     */
71    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
72    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
73
74    /**
75     * Activity Action: Show settings to allow configuration of APNs.
76     * <p>
77     * Input: Nothing.
78     * <p>
79     * Output: Nothing.
80     */
81    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
82    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
83
84    /**
85     * Activity Action: Show settings to allow configuration of current location
86     * sources.
87     * <p>
88     * In some cases, a matching Activity may not exist, so ensure you
89     * safeguard against this.
90     * <p>
91     * Input: Nothing.
92     * <p>
93     * Output: Nothing.
94     */
95    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
96    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
97            "android.settings.LOCATION_SOURCE_SETTINGS";
98
99    /**
100     * Activity Action: Show settings to allow configuration of wireless controls
101     * such as Wi-Fi, Bluetooth and Mobile networks.
102     * <p>
103     * In some cases, a matching Activity may not exist, so ensure you
104     * safeguard against this.
105     * <p>
106     * Input: Nothing.
107     * <p>
108     * Output: Nothing.
109     */
110    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
111    public static final String ACTION_WIRELESS_SETTINGS =
112            "android.settings.WIRELESS_SETTINGS";
113
114    /**
115     * Activity Action: Show settings to allow entering/exiting airplane mode.
116     * <p>
117     * In some cases, a matching Activity may not exist, so ensure you
118     * safeguard against this.
119     * <p>
120     * Input: Nothing.
121     * <p>
122     * Output: Nothing.
123     */
124    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
125    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
126            "android.settings.AIRPLANE_MODE_SETTINGS";
127
128    /**
129     * Activity Action: Show settings for accessibility modules.
130     * <p>
131     * In some cases, a matching Activity may not exist, so ensure you
132     * safeguard against this.
133     * <p>
134     * Input: Nothing.
135     * <p>
136     * Output: Nothing.
137     */
138    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
139    public static final String ACTION_ACCESSIBILITY_SETTINGS =
140            "android.settings.ACCESSIBILITY_SETTINGS";
141
142    /**
143     * Activity Action: Show settings to allow configuration of security and
144     * location privacy.
145     * <p>
146     * In some cases, a matching Activity may not exist, so ensure you
147     * safeguard against this.
148     * <p>
149     * Input: Nothing.
150     * <p>
151     * Output: Nothing.
152     */
153    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
154    public static final String ACTION_SECURITY_SETTINGS =
155            "android.settings.SECURITY_SETTINGS";
156
157    /**
158     * Activity Action: Show settings to allow configuration of privacy options.
159     * <p>
160     * In some cases, a matching Activity may not exist, so ensure you
161     * safeguard against this.
162     * <p>
163     * Input: Nothing.
164     * <p>
165     * Output: Nothing.
166     */
167    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
168    public static final String ACTION_PRIVACY_SETTINGS =
169            "android.settings.PRIVACY_SETTINGS";
170
171    /**
172     * Activity Action: Show settings to allow configuration of Wi-Fi.
173
174     * <p>
175     * In some cases, a matching Activity may not exist, so ensure you
176     * safeguard against this.
177     * <p>
178     * Input: Nothing.
179     * <p>
180     * Output: Nothing.
181
182     */
183    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
184    public static final String ACTION_WIFI_SETTINGS =
185            "android.settings.WIFI_SETTINGS";
186
187    /**
188     * Activity Action: Show settings to allow configuration of a static IP
189     * address for Wi-Fi.
190     * <p>
191     * In some cases, a matching Activity may not exist, so ensure you safeguard
192     * against this.
193     * <p>
194     * Input: Nothing.
195     * <p>
196     * Output: Nothing.
197     */
198    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
199    public static final String ACTION_WIFI_IP_SETTINGS =
200            "android.settings.WIFI_IP_SETTINGS";
201
202    /**
203     * Activity Action: Show settings to allow configuration of Bluetooth.
204     * <p>
205     * In some cases, a matching Activity may not exist, so ensure you
206     * safeguard against this.
207     * <p>
208     * Input: Nothing.
209     * <p>
210     * Output: Nothing.
211     */
212    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
213    public static final String ACTION_BLUETOOTH_SETTINGS =
214            "android.settings.BLUETOOTH_SETTINGS";
215
216    /**
217     * Activity Action: Show settings to allow configuration of date and time.
218     * <p>
219     * In some cases, a matching Activity may not exist, so ensure you
220     * safeguard against this.
221     * <p>
222     * Input: Nothing.
223     * <p>
224     * Output: Nothing.
225     */
226    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
227    public static final String ACTION_DATE_SETTINGS =
228            "android.settings.DATE_SETTINGS";
229
230    /**
231     * Activity Action: Show settings to allow configuration of sound and volume.
232     * <p>
233     * In some cases, a matching Activity may not exist, so ensure you
234     * safeguard against this.
235     * <p>
236     * Input: Nothing.
237     * <p>
238     * Output: Nothing.
239     */
240    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
241    public static final String ACTION_SOUND_SETTINGS =
242            "android.settings.SOUND_SETTINGS";
243
244    /**
245     * Activity Action: Show settings to allow configuration of display.
246     * <p>
247     * In some cases, a matching Activity may not exist, so ensure you
248     * safeguard against this.
249     * <p>
250     * Input: Nothing.
251     * <p>
252     * Output: Nothing.
253     */
254    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
255    public static final String ACTION_DISPLAY_SETTINGS =
256            "android.settings.DISPLAY_SETTINGS";
257
258    /**
259     * Activity Action: Show settings to allow configuration of locale.
260     * <p>
261     * In some cases, a matching Activity may not exist, so ensure you
262     * safeguard against this.
263     * <p>
264     * Input: Nothing.
265     * <p>
266     * Output: Nothing.
267     */
268    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
269    public static final String ACTION_LOCALE_SETTINGS =
270            "android.settings.LOCALE_SETTINGS";
271
272    /**
273     * Activity Action: Show settings to configure input methods, in particular
274     * allowing the user to enable input methods.
275     * <p>
276     * In some cases, a matching Activity may not exist, so ensure you
277     * safeguard against this.
278     * <p>
279     * Input: Nothing.
280     * <p>
281     * Output: Nothing.
282     */
283    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
284    public static final String ACTION_INPUT_METHOD_SETTINGS =
285            "android.settings.INPUT_METHOD_SETTINGS";
286
287    /**
288     * Activity Action: Show settings to enable/disable input method subtypes.
289     * <p>
290     * In some cases, a matching Activity may not exist, so ensure you
291     * safeguard against this.
292     * <p>
293     * To tell which input method's subtypes are displayed in the settings, add
294     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
295     * If there is no extra in this Intent, subtypes from all installed input methods
296     * will be displayed in the settings.
297     *
298     * @see android.view.inputmethod.InputMethodInfo#getId
299     * <p>
300     * Input: Nothing.
301     * <p>
302     * Output: Nothing.
303     */
304    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
305    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
306            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
307
308    /**
309     * Activity Action: Show a dialog to select input method.
310     * <p>
311     * In some cases, a matching Activity may not exist, so ensure you
312     * safeguard against this.
313     * <p>
314     * Input: Nothing.
315     * <p>
316     * Output: Nothing.
317     * @hide
318     */
319    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
320    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
321            "android.settings.SHOW_INPUT_METHOD_PICKER";
322
323    /**
324     * Activity Action: Show settings to manage the user input dictionary.
325     * <p>
326     * In some cases, a matching Activity may not exist, so ensure you
327     * safeguard against this.
328     * <p>
329     * Input: Nothing.
330     * <p>
331     * Output: Nothing.
332     */
333    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
334    public static final String ACTION_USER_DICTIONARY_SETTINGS =
335            "android.settings.USER_DICTIONARY_SETTINGS";
336
337    /**
338     * Activity Action: Adds a word to the user dictionary.
339     * <p>
340     * In some cases, a matching Activity may not exist, so ensure you
341     * safeguard against this.
342     * <p>
343     * Input: An extra with key <code>word</code> that contains the word
344     * that should be added to the dictionary.
345     * <p>
346     * Output: Nothing.
347     *
348     * @hide
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_USER_DICTIONARY_INSERT =
352            "com.android.settings.USER_DICTIONARY_INSERT";
353
354    /**
355     * Activity Action: Show settings to allow configuration of application-related settings.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     */
364    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
365    public static final String ACTION_APPLICATION_SETTINGS =
366            "android.settings.APPLICATION_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of application
370     * development-related settings.
371     * <p>
372     * In some cases, a matching Activity may not exist, so ensure you safeguard
373     * against this.
374     * <p>
375     * Input: Nothing.
376     * <p>
377     * Output: Nothing.
378     */
379    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
380    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
381            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
382
383    /**
384     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
385     * <p>
386     * In some cases, a matching Activity may not exist, so ensure you
387     * safeguard against this.
388     * <p>
389     * Input: Nothing.
390     * <p>
391     * Output: Nothing.
392     */
393    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
394    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
395            "android.settings.QUICK_LAUNCH_SETTINGS";
396
397    /**
398     * Activity Action: Show settings to manage installed applications.
399     * <p>
400     * In some cases, a matching Activity may not exist, so ensure you
401     * safeguard against this.
402     * <p>
403     * Input: Nothing.
404     * <p>
405     * Output: Nothing.
406     */
407    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
408    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
409            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
410
411    /**
412     * Activity Action: Show settings to manage all applications.
413     * <p>
414     * In some cases, a matching Activity may not exist, so ensure you
415     * safeguard against this.
416     * <p>
417     * Input: Nothing.
418     * <p>
419     * Output: Nothing.
420     */
421    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
422    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
423            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
424
425    /**
426     * Activity Action: Show screen of details about a particular application.
427     * <p>
428     * In some cases, a matching Activity may not exist, so ensure you
429     * safeguard against this.
430     * <p>
431     * Input: The Intent's data URI specifies the application package name
432     * to be shown, with the "package" scheme.  That is "package:com.my.app".
433     * <p>
434     * Output: Nothing.
435     */
436    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
437    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
438            "android.settings.APPLICATION_DETAILS_SETTINGS";
439
440    /**
441     * Activity Action: Show settings for system update functionality.
442     * <p>
443     * In some cases, a matching Activity may not exist, so ensure you
444     * safeguard against this.
445     * <p>
446     * Input: Nothing.
447     * <p>
448     * Output: Nothing.
449     *
450     * @hide
451     */
452    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
453    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
454            "android.settings.SYSTEM_UPDATE_SETTINGS";
455
456    /**
457     * Activity Action: Show settings to allow configuration of sync settings.
458     * <p>
459     * In some cases, a matching Activity may not exist, so ensure you
460     * safeguard against this.
461     * <p>
462     * The account types available to add via the add account button may be restricted by adding an
463     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
464     * authorities. Only account types which can sync with that content provider will be offered to
465     * the user.
466     * <p>
467     * Input: Nothing.
468     * <p>
469     * Output: Nothing.
470     */
471    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
472    public static final String ACTION_SYNC_SETTINGS =
473            "android.settings.SYNC_SETTINGS";
474
475    /**
476     * Activity Action: Show add account screen for creating a new account.
477     * <p>
478     * In some cases, a matching Activity may not exist, so ensure you
479     * safeguard against this.
480     * <p>
481     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
482     * extra to the Intent with one or more syncable content provider's authorities.  Only account
483     * types which can sync with that content provider will be offered to the user.
484     * <p>
485     * Input: Nothing.
486     * <p>
487     * Output: Nothing.
488     */
489    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
490    public static final String ACTION_ADD_ACCOUNT =
491            "android.settings.ADD_ACCOUNT_SETTINGS";
492
493    /**
494     * Activity Action: Show settings for selecting the network operator.
495     * <p>
496     * In some cases, a matching Activity may not exist, so ensure you
497     * safeguard against this.
498     * <p>
499     * Input: Nothing.
500     * <p>
501     * Output: Nothing.
502     */
503    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
504    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
505            "android.settings.NETWORK_OPERATOR_SETTINGS";
506
507    /**
508     * Activity Action: Show settings for selection of 2G/3G.
509     * <p>
510     * In some cases, a matching Activity may not exist, so ensure you
511     * safeguard against this.
512     * <p>
513     * Input: Nothing.
514     * <p>
515     * Output: Nothing.
516     */
517    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
518    public static final String ACTION_DATA_ROAMING_SETTINGS =
519            "android.settings.DATA_ROAMING_SETTINGS";
520
521    /**
522     * Activity Action: Show settings for internal storage.
523     * <p>
524     * In some cases, a matching Activity may not exist, so ensure you
525     * safeguard against this.
526     * <p>
527     * Input: Nothing.
528     * <p>
529     * Output: Nothing.
530     */
531    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
532    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
533            "android.settings.INTERNAL_STORAGE_SETTINGS";
534    /**
535     * Activity Action: Show settings for memory card storage.
536     * <p>
537     * In some cases, a matching Activity may not exist, so ensure you
538     * safeguard against this.
539     * <p>
540     * Input: Nothing.
541     * <p>
542     * Output: Nothing.
543     */
544    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
545    public static final String ACTION_MEMORY_CARD_SETTINGS =
546            "android.settings.MEMORY_CARD_SETTINGS";
547
548    /**
549     * Activity Action: Show settings for global search.
550     * <p>
551     * In some cases, a matching Activity may not exist, so ensure you
552     * safeguard against this.
553     * <p>
554     * Input: Nothing.
555     * <p>
556     * Output: Nothing
557     */
558    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
559    public static final String ACTION_SEARCH_SETTINGS =
560        "android.search.action.SEARCH_SETTINGS";
561
562    /**
563     * Activity Action: Show general device information settings (serial
564     * number, software version, phone number, etc.).
565     * <p>
566     * In some cases, a matching Activity may not exist, so ensure you
567     * safeguard against this.
568     * <p>
569     * Input: Nothing.
570     * <p>
571     * Output: Nothing
572     */
573    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
574    public static final String ACTION_DEVICE_INFO_SETTINGS =
575        "android.settings.DEVICE_INFO_SETTINGS";
576
577    /**
578     * Activity Action: Show NFC settings.
579     * <p>
580     * This shows UI that allows NFC to be turned on or off.
581     * <p>
582     * In some cases, a matching Activity may not exist, so ensure you
583     * safeguard against this.
584     * <p>
585     * Input: Nothing.
586     * <p>
587     * Output: Nothing
588     * @see android.nfc.NfcAdapter#isEnabled()
589     */
590    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
591    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
592
593    /**
594     * Activity Action: Show NFC Sharing settings.
595     * <p>
596     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
597     * off.
598     * <p>
599     * In some cases, a matching Activity may not exist, so ensure you
600     * safeguard against this.
601     * <p>
602     * Input: Nothing.
603     * <p>
604     * Output: Nothing
605     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
606     */
607    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
608    public static final String ACTION_NFCSHARING_SETTINGS =
609        "android.settings.NFCSHARING_SETTINGS";
610
611    // End of Intent actions for Settings
612
613    /**
614     * @hide - Private call() method on SettingsProvider to read from 'system' table.
615     */
616    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
617
618    /**
619     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
620     */
621    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
622
623    /**
624     * Activity Extra: Limit available options in launched activity based on the given authority.
625     * <p>
626     * This can be passed as an extra field in an Activity Intent with one or more syncable content
627     * provider's authorities as a String[]. This field is used by some intents to alter the
628     * behavior of the called activity.
629     * <p>
630     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
631     * on the authority given.
632     */
633    public static final String EXTRA_AUTHORITIES =
634            "authorities";
635
636    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
637
638    private static final String JID_RESOURCE_PREFIX = "android";
639
640    public static final String AUTHORITY = "settings";
641
642    private static final String TAG = "Settings";
643    private static final boolean LOCAL_LOGV = false || false;
644
645    public static class SettingNotFoundException extends AndroidException {
646        public SettingNotFoundException(String msg) {
647            super(msg);
648        }
649    }
650
651    /**
652     * Common base for tables of name/value settings.
653     */
654    public static class NameValueTable implements BaseColumns {
655        public static final String NAME = "name";
656        public static final String VALUE = "value";
657
658        protected static boolean putString(ContentResolver resolver, Uri uri,
659                String name, String value) {
660            // The database will take care of replacing duplicates.
661            try {
662                ContentValues values = new ContentValues();
663                values.put(NAME, name);
664                values.put(VALUE, value);
665                resolver.insert(uri, values);
666                return true;
667            } catch (SQLException e) {
668                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
669                return false;
670            }
671        }
672
673        public static Uri getUriFor(Uri uri, String name) {
674            return Uri.withAppendedPath(uri, name);
675        }
676    }
677
678    // Thread-safe.
679    private static class NameValueCache {
680        private final String mVersionSystemProperty;
681        private final Uri mUri;
682
683        private static final String[] SELECT_VALUE =
684            new String[] { Settings.NameValueTable.VALUE };
685        private static final String NAME_EQ_PLACEHOLDER = "name=?";
686
687        // Must synchronize on 'this' to access mValues and mValuesVersion.
688        private final HashMap<String, String> mValues = new HashMap<String, String>();
689        private long mValuesVersion = 0;
690
691        // Initially null; set lazily and held forever.  Synchronized on 'this'.
692        private IContentProvider mContentProvider = null;
693
694        // The method we'll call (or null, to not use) on the provider
695        // for the fast path of retrieving settings.
696        private final String mCallCommand;
697
698        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
699            mVersionSystemProperty = versionSystemProperty;
700            mUri = uri;
701            mCallCommand = callCommand;
702        }
703
704        public String getString(ContentResolver cr, String name) {
705            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
706
707            synchronized (this) {
708                if (mValuesVersion != newValuesVersion) {
709                    if (LOCAL_LOGV) {
710                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
711                                newValuesVersion + " != cached " + mValuesVersion);
712                    }
713
714                    mValues.clear();
715                    mValuesVersion = newValuesVersion;
716                }
717
718                if (mValues.containsKey(name)) {
719                    return mValues.get(name);  // Could be null, that's OK -- negative caching
720                }
721            }
722
723            IContentProvider cp = null;
724            synchronized (this) {
725                cp = mContentProvider;
726                if (cp == null) {
727                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
728                }
729            }
730
731            // Try the fast path first, not using query().  If this
732            // fails (alternate Settings provider that doesn't support
733            // this interface?) then we fall back to the query/table
734            // interface.
735            if (mCallCommand != null) {
736                try {
737                    Bundle b = cp.call(mCallCommand, name, null);
738                    if (b != null) {
739                        String value = b.getPairValue();
740                        synchronized (this) {
741                            mValues.put(name, value);
742                        }
743                        return value;
744                    }
745                    // If the response Bundle is null, we fall through
746                    // to the query interface below.
747                } catch (RemoteException e) {
748                    // Not supported by the remote side?  Fall through
749                    // to query().
750                }
751            }
752
753            Cursor c = null;
754            try {
755                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
756                             new String[]{name}, null, null);
757                if (c == null) {
758                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
759                    return null;
760                }
761
762                String value = c.moveToNext() ? c.getString(0) : null;
763                synchronized (this) {
764                    mValues.put(name, value);
765                }
766                if (LOCAL_LOGV) {
767                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
768                            name + " = " + (value == null ? "(null)" : value));
769                }
770                return value;
771            } catch (RemoteException e) {
772                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
773                return null;  // Return null, but don't cache it.
774            } finally {
775                if (c != null) c.close();
776            }
777        }
778    }
779
780    /**
781     * System settings, containing miscellaneous system preferences.  This
782     * table holds simple name/value pairs.  There are convenience
783     * functions for accessing individual settings entries.
784     */
785    public static final class System extends NameValueTable {
786        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
787
788        // Populated lazily, guarded by class object:
789        private static NameValueCache sNameValueCache = null;
790
791        private static final HashSet<String> MOVED_TO_SECURE;
792        static {
793            MOVED_TO_SECURE = new HashSet<String>(30);
794            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
795            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
796            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
797            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
798            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
799            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
800            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
801            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
802            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
803            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
804            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
805            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
806            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
807            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
808            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
809            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
810            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
811            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
812            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
813            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
814            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
815            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
816            MOVED_TO_SECURE.add(Secure.WIFI_ON);
817            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
818            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
819            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
820            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
821            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
822            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
823            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
824            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
825            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
826            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
827            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
828        }
829
830        /**
831         * Look up a name in the database.
832         * @param resolver to access the database with
833         * @param name to look up in the table
834         * @return the corresponding value, or null if not present
835         */
836        public synchronized static String getString(ContentResolver resolver, String name) {
837            if (MOVED_TO_SECURE.contains(name)) {
838                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
839                        + " to android.provider.Settings.Secure, returning read-only value.");
840                return Secure.getString(resolver, name);
841            }
842            if (sNameValueCache == null) {
843                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
844                                                     CALL_METHOD_GET_SYSTEM);
845            }
846            return sNameValueCache.getString(resolver, name);
847        }
848
849        /**
850         * Store a name/value pair into the database.
851         * @param resolver to access the database with
852         * @param name to store
853         * @param value to associate with the name
854         * @return true if the value was set, false on database errors
855         */
856        public static boolean putString(ContentResolver resolver, String name, String value) {
857            if (MOVED_TO_SECURE.contains(name)) {
858                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
859                        + " to android.provider.Settings.Secure, value is unchanged.");
860                return false;
861            }
862            return putString(resolver, CONTENT_URI, name, value);
863        }
864
865        /**
866         * Construct the content URI for a particular name/value pair,
867         * useful for monitoring changes with a ContentObserver.
868         * @param name to look up in the table
869         * @return the corresponding content URI, or null if not present
870         */
871        public static Uri getUriFor(String name) {
872            if (MOVED_TO_SECURE.contains(name)) {
873                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
874                    + " to android.provider.Settings.Secure, returning Secure URI.");
875                return Secure.getUriFor(Secure.CONTENT_URI, name);
876            }
877            return getUriFor(CONTENT_URI, name);
878        }
879
880        /**
881         * Convenience function for retrieving a single system settings value
882         * as an integer.  Note that internally setting values are always
883         * stored as strings; this function converts the string to an integer
884         * for you.  The default value will be returned if the setting is
885         * not defined or not an integer.
886         *
887         * @param cr The ContentResolver to access.
888         * @param name The name of the setting to retrieve.
889         * @param def Value to return if the setting is not defined.
890         *
891         * @return The setting's current value, or 'def' if it is not defined
892         * or not a valid integer.
893         */
894        public static int getInt(ContentResolver cr, String name, int def) {
895            String v = getString(cr, name);
896            try {
897                return v != null ? Integer.parseInt(v) : def;
898            } catch (NumberFormatException e) {
899                return def;
900            }
901        }
902
903        /**
904         * Convenience function for retrieving a single system settings value
905         * as an integer.  Note that internally setting values are always
906         * stored as strings; this function converts the string to an integer
907         * for you.
908         * <p>
909         * This version does not take a default value.  If the setting has not
910         * been set, or the string value is not a number,
911         * it throws {@link SettingNotFoundException}.
912         *
913         * @param cr The ContentResolver to access.
914         * @param name The name of the setting to retrieve.
915         *
916         * @throws SettingNotFoundException Thrown if a setting by the given
917         * name can't be found or the setting value is not an integer.
918         *
919         * @return The setting's current value.
920         */
921        public static int getInt(ContentResolver cr, String name)
922                throws SettingNotFoundException {
923            String v = getString(cr, name);
924            try {
925                return Integer.parseInt(v);
926            } catch (NumberFormatException e) {
927                throw new SettingNotFoundException(name);
928            }
929        }
930
931        /**
932         * Convenience function for updating a single settings value as an
933         * integer. This will either create a new entry in the table if the
934         * given name does not exist, or modify the value of the existing row
935         * with that name.  Note that internally setting values are always
936         * stored as strings, so this function converts the given value to a
937         * string before storing it.
938         *
939         * @param cr The ContentResolver to access.
940         * @param name The name of the setting to modify.
941         * @param value The new value for the setting.
942         * @return true if the value was set, false on database errors
943         */
944        public static boolean putInt(ContentResolver cr, String name, int value) {
945            return putString(cr, name, Integer.toString(value));
946        }
947
948        /**
949         * Convenience function for retrieving a single system settings value
950         * as a {@code long}.  Note that internally setting values are always
951         * stored as strings; this function converts the string to a {@code long}
952         * for you.  The default value will be returned if the setting is
953         * not defined or not a {@code long}.
954         *
955         * @param cr The ContentResolver to access.
956         * @param name The name of the setting to retrieve.
957         * @param def Value to return if the setting is not defined.
958         *
959         * @return The setting's current value, or 'def' if it is not defined
960         * or not a valid {@code long}.
961         */
962        public static long getLong(ContentResolver cr, String name, long def) {
963            String valString = getString(cr, name);
964            long value;
965            try {
966                value = valString != null ? Long.parseLong(valString) : def;
967            } catch (NumberFormatException e) {
968                value = def;
969            }
970            return value;
971        }
972
973        /**
974         * Convenience function for retrieving a single system settings value
975         * as a {@code long}.  Note that internally setting values are always
976         * stored as strings; this function converts the string to a {@code long}
977         * for you.
978         * <p>
979         * This version does not take a default value.  If the setting has not
980         * been set, or the string value is not a number,
981         * it throws {@link SettingNotFoundException}.
982         *
983         * @param cr The ContentResolver to access.
984         * @param name The name of the setting to retrieve.
985         *
986         * @return The setting's current value.
987         * @throws SettingNotFoundException Thrown if a setting by the given
988         * name can't be found or the setting value is not an integer.
989         */
990        public static long getLong(ContentResolver cr, String name)
991                throws SettingNotFoundException {
992            String valString = getString(cr, name);
993            try {
994                return Long.parseLong(valString);
995            } catch (NumberFormatException e) {
996                throw new SettingNotFoundException(name);
997            }
998        }
999
1000        /**
1001         * Convenience function for updating a single settings value as a long
1002         * integer. This will either create a new entry in the table if the
1003         * given name does not exist, or modify the value of the existing row
1004         * with that name.  Note that internally setting values are always
1005         * stored as strings, so this function converts the given value to a
1006         * string before storing it.
1007         *
1008         * @param cr The ContentResolver to access.
1009         * @param name The name of the setting to modify.
1010         * @param value The new value for the setting.
1011         * @return true if the value was set, false on database errors
1012         */
1013        public static boolean putLong(ContentResolver cr, String name, long value) {
1014            return putString(cr, name, Long.toString(value));
1015        }
1016
1017        /**
1018         * Convenience function for retrieving a single system settings value
1019         * as a floating point number.  Note that internally setting values are
1020         * always stored as strings; this function converts the string to an
1021         * float for you. The default value will be returned if the setting
1022         * is not defined or not a valid float.
1023         *
1024         * @param cr The ContentResolver to access.
1025         * @param name The name of the setting to retrieve.
1026         * @param def Value to return if the setting is not defined.
1027         *
1028         * @return The setting's current value, or 'def' if it is not defined
1029         * or not a valid float.
1030         */
1031        public static float getFloat(ContentResolver cr, String name, float def) {
1032            String v = getString(cr, name);
1033            try {
1034                return v != null ? Float.parseFloat(v) : def;
1035            } catch (NumberFormatException e) {
1036                return def;
1037            }
1038        }
1039
1040        /**
1041         * Convenience function for retrieving a single system settings value
1042         * as a float.  Note that internally setting values are always
1043         * stored as strings; this function converts the string to a float
1044         * for you.
1045         * <p>
1046         * This version does not take a default value.  If the setting has not
1047         * been set, or the string value is not a number,
1048         * it throws {@link SettingNotFoundException}.
1049         *
1050         * @param cr The ContentResolver to access.
1051         * @param name The name of the setting to retrieve.
1052         *
1053         * @throws SettingNotFoundException Thrown if a setting by the given
1054         * name can't be found or the setting value is not a float.
1055         *
1056         * @return The setting's current value.
1057         */
1058        public static float getFloat(ContentResolver cr, String name)
1059                throws SettingNotFoundException {
1060            String v = getString(cr, name);
1061            if (v == null) {
1062                throw new SettingNotFoundException(name);
1063            }
1064            try {
1065                return Float.parseFloat(v);
1066            } catch (NumberFormatException e) {
1067                throw new SettingNotFoundException(name);
1068            }
1069        }
1070
1071        /**
1072         * Convenience function for updating a single settings value as a
1073         * floating point number. This will either create a new entry in the
1074         * table if the given name does not exist, or modify the value of the
1075         * existing row with that name.  Note that internally setting values
1076         * are always stored as strings, so this function converts the given
1077         * value to a string before storing it.
1078         *
1079         * @param cr The ContentResolver to access.
1080         * @param name The name of the setting to modify.
1081         * @param value The new value for the setting.
1082         * @return true if the value was set, false on database errors
1083         */
1084        public static boolean putFloat(ContentResolver cr, String name, float value) {
1085            return putString(cr, name, Float.toString(value));
1086        }
1087
1088        /**
1089         * Convenience function to read all of the current
1090         * configuration-related settings into a
1091         * {@link Configuration} object.
1092         *
1093         * @param cr The ContentResolver to access.
1094         * @param outConfig Where to place the configuration settings.
1095         */
1096        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1097            outConfig.fontScale = Settings.System.getFloat(
1098                cr, FONT_SCALE, outConfig.fontScale);
1099            if (outConfig.fontScale < 0) {
1100                outConfig.fontScale = 1;
1101            }
1102        }
1103
1104        /**
1105         * @hide Erase the fields in the Configuration that should be applied
1106         * by the settings.
1107         */
1108        public static void clearConfiguration(Configuration inoutConfig) {
1109            inoutConfig.fontScale = 0;
1110        }
1111
1112        /**
1113         * Convenience function to write a batch of configuration-related
1114         * settings from a {@link Configuration} object.
1115         *
1116         * @param cr The ContentResolver to access.
1117         * @param config The settings to write.
1118         * @return true if the values were set, false on database errors
1119         */
1120        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1121            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1122        }
1123
1124        /** @hide */
1125        public static boolean hasInterestingConfigurationChanges(int changes) {
1126            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1127        }
1128
1129        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1130            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1131        }
1132
1133        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1134            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1135        }
1136
1137        /**
1138         * The content:// style URL for this table
1139         */
1140        public static final Uri CONTENT_URI =
1141            Uri.parse("content://" + AUTHORITY + "/system");
1142
1143        /**
1144         * Whether we keep the device on while the device is plugged in.
1145         * Supported values are:
1146         * <ul>
1147         * <li>{@code 0} to never stay on while plugged in</li>
1148         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1149         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1150         * </ul>
1151         * These values can be OR-ed together.
1152         */
1153        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1154
1155        /**
1156         * What happens when the user presses the end call button if they're not
1157         * on a call.<br/>
1158         * <b>Values:</b><br/>
1159         * 0 - The end button does nothing.<br/>
1160         * 1 - The end button goes to the home screen.<br/>
1161         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1162         * 3 - The end button goes to the home screen.  If the user is already on the
1163         * home screen, it puts the device to sleep.
1164         */
1165        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1166
1167        /**
1168         * END_BUTTON_BEHAVIOR value for "go home".
1169         * @hide
1170         */
1171        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1172
1173        /**
1174         * END_BUTTON_BEHAVIOR value for "go to sleep".
1175         * @hide
1176         */
1177        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1178
1179        /**
1180         * END_BUTTON_BEHAVIOR default value.
1181         * @hide
1182         */
1183        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1184
1185        /**
1186         * Is advanced settings mode turned on. 0 == no, 1 == yes
1187         * @hide
1188         */
1189        public static final String ADVANCED_SETTINGS = "advanced_settings";
1190
1191        /**
1192         * ADVANCED_SETTINGS default value.
1193         * @hide
1194         */
1195        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1196
1197        /**
1198         * Whether Airplane Mode is on.
1199         */
1200        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1201
1202        /**
1203         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1204         */
1205        public static final String RADIO_BLUETOOTH = "bluetooth";
1206
1207        /**
1208         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1209         */
1210        public static final String RADIO_WIFI = "wifi";
1211
1212        /**
1213         * {@hide}
1214         */
1215        public static final String RADIO_WIMAX = "wimax";
1216        /**
1217         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1218         */
1219        public static final String RADIO_CELL = "cell";
1220
1221        /**
1222         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
1223         */
1224        public static final String RADIO_NFC = "nfc";
1225
1226        /**
1227         * A comma separated list of radios that need to be disabled when airplane mode
1228         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1229         * included in the comma separated list.
1230         */
1231        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1232
1233        /**
1234         * A comma separated list of radios that should to be disabled when airplane mode
1235         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1236         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1237         * will be turned off when entering airplane mode, but the user will be able to reenable
1238         * Wifi in the Settings app.
1239         *
1240         * {@hide}
1241         */
1242        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1243
1244        /**
1245         * The policy for deciding when Wi-Fi should go to sleep (which will in
1246         * turn switch to using the mobile data as an Internet connection).
1247         * <p>
1248         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1249         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1250         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1251         */
1252        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1253
1254        /**
1255         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1256         * policy, which is to sleep shortly after the turning off
1257         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1258         */
1259        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1260
1261        /**
1262         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1263         * the device is on battery, and never go to sleep when the device is
1264         * plugged in.
1265         */
1266        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1267
1268        /**
1269         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1270         */
1271        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1272
1273        //TODO: deprecate static IP constants
1274        /**
1275         * Whether to use static IP and other static network attributes.
1276         * <p>
1277         * Set to 1 for true and 0 for false.
1278         */
1279        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1280
1281        /**
1282         * The static IP address.
1283         * <p>
1284         * Example: "192.168.1.51"
1285         */
1286        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1287
1288        /**
1289         * If using static IP, the gateway's IP address.
1290         * <p>
1291         * Example: "192.168.1.1"
1292         */
1293        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1294
1295        /**
1296         * If using static IP, the net mask.
1297         * <p>
1298         * Example: "255.255.255.0"
1299         */
1300        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1301
1302        /**
1303         * If using static IP, the primary DNS's IP address.
1304         * <p>
1305         * Example: "192.168.1.1"
1306         */
1307        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1308
1309        /**
1310         * If using static IP, the secondary DNS's IP address.
1311         * <p>
1312         * Example: "192.168.1.2"
1313         */
1314        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1315
1316
1317        /**
1318         * Determines whether remote devices may discover and/or connect to
1319         * this device.
1320         * <P>Type: INT</P>
1321         * 2 -- discoverable and connectable
1322         * 1 -- connectable but not discoverable
1323         * 0 -- neither connectable nor discoverable
1324         */
1325        public static final String BLUETOOTH_DISCOVERABILITY =
1326            "bluetooth_discoverability";
1327
1328        /**
1329         * Bluetooth discoverability timeout.  If this value is nonzero, then
1330         * Bluetooth becomes discoverable for a certain number of seconds,
1331         * after which is becomes simply connectable.  The value is in seconds.
1332         */
1333        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1334            "bluetooth_discoverability_timeout";
1335
1336        /**
1337         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1338         * instead
1339         */
1340        @Deprecated
1341        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1342
1343        /**
1344         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1345         * instead
1346         */
1347        @Deprecated
1348        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1349
1350        /**
1351         * @deprecated Use
1352         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1353         * instead
1354         */
1355        @Deprecated
1356        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1357            "lock_pattern_tactile_feedback_enabled";
1358
1359
1360        /**
1361         * A formatted string of the next alarm that is set, or the empty string
1362         * if there is no alarm set.
1363         */
1364        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1365
1366        /**
1367         * Scaling factor for fonts, float.
1368         */
1369        public static final String FONT_SCALE = "font_scale";
1370
1371        /**
1372         * Name of an application package to be debugged.
1373         */
1374        public static final String DEBUG_APP = "debug_app";
1375
1376        /**
1377         * If 1, when launching DEBUG_APP it will wait for the debugger before
1378         * starting user code.  If 0, it will run normally.
1379         */
1380        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1381
1382        /**
1383         * Whether or not to dim the screen. 0=no  1=yes
1384         */
1385        public static final String DIM_SCREEN = "dim_screen";
1386
1387        /**
1388         * The timeout before the screen turns off.
1389         */
1390        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1391
1392        /**
1393         * If 0, the compatibility mode is off for all applications.
1394         * If 1, older applications run under compatibility mode.
1395         * TODO: remove this settings before code freeze (bug/1907571)
1396         * @hide
1397         */
1398        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1399
1400        /**
1401         * The screen backlight brightness between 0 and 255.
1402         */
1403        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1404
1405        /**
1406         * Control whether to enable automatic brightness mode.
1407         */
1408        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1409
1410        /**
1411         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
1412         * or less (<0.0 >-1.0) bright.
1413         * @hide
1414         */
1415        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
1416
1417        /**
1418         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1419         */
1420        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1421
1422        /**
1423         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
1424         */
1425        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1426
1427        /**
1428         * Control whether the process CPU usage meter should be shown.
1429         */
1430        public static final String SHOW_PROCESSES = "show_processes";
1431
1432        /**
1433         * If 1, the activity manager will aggressively finish activities and
1434         * processes as soon as they are no longer needed.  If 0, the normal
1435         * extended lifetime is used.
1436         */
1437        public static final String ALWAYS_FINISH_ACTIVITIES =
1438                "always_finish_activities";
1439
1440
1441        /**
1442         * Ringer mode. This is used internally, changing this value will not
1443         * change the ringer mode. See AudioManager.
1444         */
1445        public static final String MODE_RINGER = "mode_ringer";
1446
1447        /**
1448         * Determines which streams are affected by ringer mode changes. The
1449         * stream type's bit should be set to 1 if it should be muted when going
1450         * into an inaudible ringer mode.
1451         */
1452        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1453
1454         /**
1455          * Determines which streams are affected by mute. The
1456          * stream type's bit should be set to 1 if it should be muted when a mute request
1457          * is received.
1458          */
1459         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1460
1461        /**
1462         * Whether vibrate is on for different events. This is used internally,
1463         * changing this value will not change the vibrate. See AudioManager.
1464         */
1465        public static final String VIBRATE_ON = "vibrate_on";
1466
1467        /**
1468         * If 1, redirects the system vibrator to all currently attached input devices
1469         * that support vibration.  If there are no such input devices, then the system
1470         * vibrator is used instead.
1471         * If 0, does not register the system vibrator.
1472         *
1473         * This setting is mainly intended to provide a compatibility mechanism for
1474         * applications that only know about the system vibrator and do not use the
1475         * input device vibrator API.
1476         *
1477         * @hide
1478         */
1479        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
1480
1481        /**
1482         * Ringer volume. This is used internally, changing this value will not
1483         * change the volume. See AudioManager.
1484         */
1485        public static final String VOLUME_RING = "volume_ring";
1486
1487        /**
1488         * System/notifications volume. This is used internally, changing this
1489         * value will not change the volume. See AudioManager.
1490         */
1491        public static final String VOLUME_SYSTEM = "volume_system";
1492
1493        /**
1494         * Voice call volume. This is used internally, changing this value will
1495         * not change the volume. See AudioManager.
1496         */
1497        public static final String VOLUME_VOICE = "volume_voice";
1498
1499        /**
1500         * Music/media/gaming volume. This is used internally, changing this
1501         * value will not change the volume. See AudioManager.
1502         */
1503        public static final String VOLUME_MUSIC = "volume_music";
1504
1505        /**
1506         * Alarm volume. This is used internally, changing this
1507         * value will not change the volume. See AudioManager.
1508         */
1509        public static final String VOLUME_ALARM = "volume_alarm";
1510
1511        /**
1512         * Notification volume. This is used internally, changing this
1513         * value will not change the volume. See AudioManager.
1514         */
1515        public static final String VOLUME_NOTIFICATION = "volume_notification";
1516
1517        /**
1518         * Bluetooth Headset volume. This is used internally, changing this value will
1519         * not change the volume. See AudioManager.
1520         */
1521        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1522
1523        /**
1524         * Master volume (float in the range 0.0f to 1.0f).
1525         * @hide
1526         */
1527        public static final String VOLUME_MASTER = "volume_master";
1528
1529        /**
1530         * Master volume mute (int 1 = mute, 0 = not muted).
1531         *
1532         * @hide
1533         */
1534        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
1535
1536        /**
1537         * Whether the notifications should use the ring volume (value of 1) or
1538         * a separate notification volume (value of 0). In most cases, users
1539         * will have this enabled so the notification and ringer volumes will be
1540         * the same. However, power users can disable this and use the separate
1541         * notification volume control.
1542         * <p>
1543         * Note: This is a one-off setting that will be removed in the future
1544         * when there is profile support. For this reason, it is kept hidden
1545         * from the public APIs.
1546         *
1547         * @hide
1548         * @deprecated
1549         */
1550        @Deprecated
1551        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1552            "notifications_use_ring_volume";
1553
1554        /**
1555         * Whether silent mode should allow vibration feedback. This is used
1556         * internally in AudioService and the Sound settings activity to
1557         * coordinate decoupling of vibrate and silent modes. This setting
1558         * will likely be removed in a future release with support for
1559         * audio/vibe feedback profiles.
1560         *
1561         * Not used anymore. On devices with vibrator, the user explicitly selects
1562         * silent or vibrate mode.
1563         * Kept for use by legacy database upgrade code in DatabaseHelper.
1564         * @hide
1565         */
1566        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1567
1568        /**
1569         * The mapping of stream type (integer) to its setting.
1570         */
1571        public static final String[] VOLUME_SETTINGS = {
1572            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1573            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1574        };
1575
1576        /**
1577         * Appended to various volume related settings to record the previous
1578         * values before they the settings were affected by a silent/vibrate
1579         * ringer mode change.
1580         */
1581        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1582
1583        /**
1584         * Persistent store for the system-wide default ringtone URI.
1585         * <p>
1586         * If you need to play the default ringtone at any given time, it is recommended
1587         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1588         * to the set default ringtone at the time of playing.
1589         *
1590         * @see #DEFAULT_RINGTONE_URI
1591         */
1592        public static final String RINGTONE = "ringtone";
1593
1594        /**
1595         * A {@link Uri} that will point to the current default ringtone at any
1596         * given time.
1597         * <p>
1598         * If the current default ringtone is in the DRM provider and the caller
1599         * does not have permission, the exception will be a
1600         * FileNotFoundException.
1601         */
1602        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1603
1604        /**
1605         * Persistent store for the system-wide default notification sound.
1606         *
1607         * @see #RINGTONE
1608         * @see #DEFAULT_NOTIFICATION_URI
1609         */
1610        public static final String NOTIFICATION_SOUND = "notification_sound";
1611
1612        /**
1613         * A {@link Uri} that will point to the current default notification
1614         * sound at any given time.
1615         *
1616         * @see #DEFAULT_RINGTONE_URI
1617         */
1618        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1619
1620        /**
1621         * Persistent store for the system-wide default alarm alert.
1622         *
1623         * @see #RINGTONE
1624         * @see #DEFAULT_ALARM_ALERT_URI
1625         */
1626        public static final String ALARM_ALERT = "alarm_alert";
1627
1628        /**
1629         * A {@link Uri} that will point to the current default alarm alert at
1630         * any given time.
1631         *
1632         * @see #DEFAULT_ALARM_ALERT_URI
1633         */
1634        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1635
1636        /**
1637         * Persistent store for the system default media button event receiver.
1638         *
1639         * @hide
1640         */
1641        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1642
1643        /**
1644         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1645         */
1646        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1647
1648        /**
1649         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1650         */
1651        public static final String TEXT_AUTO_CAPS = "auto_caps";
1652
1653        /**
1654         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1655         * feature converts two spaces to a "." and space.
1656         */
1657        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1658
1659        /**
1660         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1661         */
1662        public static final String TEXT_SHOW_PASSWORD = "show_password";
1663
1664        public static final String SHOW_GTALK_SERVICE_STATUS =
1665                "SHOW_GTALK_SERVICE_STATUS";
1666
1667        /**
1668         * Name of activity to use for wallpaper on the home screen.
1669         */
1670        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1671
1672        /**
1673         * Value to specify if the user prefers the date, time and time zone
1674         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1675         */
1676        public static final String AUTO_TIME = "auto_time";
1677
1678        /**
1679         * Value to specify if the user prefers the time zone
1680         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1681         */
1682        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1683
1684        /**
1685         * Display times as 12 or 24 hours
1686         *   12
1687         *   24
1688         */
1689        public static final String TIME_12_24 = "time_12_24";
1690
1691        /**
1692         * Date format string
1693         *   mm/dd/yyyy
1694         *   dd/mm/yyyy
1695         *   yyyy/mm/dd
1696         */
1697        public static final String DATE_FORMAT = "date_format";
1698
1699        /**
1700         * Whether the setup wizard has been run before (on first boot), or if
1701         * it still needs to be run.
1702         *
1703         * nonzero = it has been run in the past
1704         * 0 = it has not been run in the past
1705         */
1706        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1707
1708        /**
1709         * Scaling factor for normal window animations. Setting to 0 will disable window
1710         * animations.
1711         */
1712        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1713
1714        /**
1715         * Scaling factor for activity transition animations. Setting to 0 will disable window
1716         * animations.
1717         */
1718        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1719
1720        /**
1721         * Scaling factor for Animator-based animations. This affects both the start delay and
1722         * duration of all such animations. Setting to 0 will cause animations to end immediately.
1723         * The default value is 1.
1724         */
1725        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
1726
1727        /**
1728         * Scaling factor for normal window animations. Setting to 0 will disable window
1729         * animations.
1730         * @hide
1731         */
1732        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1733
1734        /**
1735         * Control whether the accelerometer will be used to change screen
1736         * orientation.  If 0, it will not be used unless explicitly requested
1737         * by the application; if 1, it will be used by default unless explicitly
1738         * disabled by the application.
1739         */
1740        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1741
1742        /**
1743         * Default screen rotation when no other policy applies.
1744         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1745         * preference, this rotation value will be used. Must be one of the
1746         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1747         *
1748         * @see Display#getRotation
1749         */
1750        public static final String USER_ROTATION = "user_rotation";
1751
1752        /**
1753         * Control whether the rotation lock toggle in the System UI should be hidden.
1754         * Typically this is done for accessibility purposes to make it harder for
1755         * the user to accidentally toggle the rotation lock while the display rotation
1756         * has been locked for accessibility.
1757         *
1758         * If 0, then rotation lock toggle is not hidden for accessibility (although it may be
1759         * unavailable for other reasons).  If 1, then the rotation lock toggle is hidden.
1760         *
1761         * @hide
1762         */
1763        public static final String HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY =
1764                "hide_rotation_lock_toggle_for_accessibility";
1765
1766        /**
1767         * Whether the phone vibrates when it is ringing due to an incoming call. This will
1768         * be used by Phone and Setting apps; it shouldn't affect other apps.
1769         * The value is boolean (1 or 0).
1770         *
1771         * Note: this is not same as "vibrate on ring", which had been available until ICS.
1772         * It was about AudioManager's setting and thus affected all the applications which
1773         * relied on the setting, while this is purely about the vibration setting for incoming
1774         * calls.
1775         *
1776         * @hide
1777         */
1778        public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
1779
1780        /**
1781         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1782         * boolean (1 or 0).
1783         */
1784        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1785
1786        /**
1787         * CDMA only settings
1788         * DTMF tone type played by the dialer when dialing.
1789         *                 0 = Normal
1790         *                 1 = Long
1791         * @hide
1792         */
1793        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1794
1795        /**
1796         * CDMA only settings
1797         * Emergency Tone  0 = Off
1798         *                 1 = Alert
1799         *                 2 = Vibrate
1800         * @hide
1801         */
1802        public static final String EMERGENCY_TONE = "emergency_tone";
1803
1804        /**
1805         * CDMA only settings
1806         * Whether the auto retry is enabled. The value is
1807         * boolean (1 or 0).
1808         * @hide
1809         */
1810        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1811
1812        /**
1813         * Whether the hearing aid is enabled. The value is
1814         * boolean (1 or 0).
1815         * @hide
1816         */
1817        public static final String HEARING_AID = "hearing_aid";
1818
1819        /**
1820         * CDMA only settings
1821         * TTY Mode
1822         * 0 = OFF
1823         * 1 = FULL
1824         * 2 = VCO
1825         * 3 = HCO
1826         * @hide
1827         */
1828        public static final String TTY_MODE = "tty_mode";
1829
1830        /**
1831         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1832         * boolean (1 or 0).
1833         */
1834        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1835
1836        /**
1837         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1838         * boolean (1 or 0).
1839         */
1840        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1841
1842        /**
1843         * @deprecated Each application that shows web suggestions should have its own
1844         * setting for this.
1845         */
1846        @Deprecated
1847        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1848
1849        /**
1850         * Whether the notification LED should repeatedly flash when a notification is
1851         * pending. The value is boolean (1 or 0).
1852         * @hide
1853         */
1854        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1855
1856        /**
1857         * Show pointer location on screen?
1858         * 0 = no
1859         * 1 = yes
1860         * @hide
1861         */
1862        public static final String POINTER_LOCATION = "pointer_location";
1863
1864        /**
1865         * Show touch positions on screen?
1866         * 0 = no
1867         * 1 = yes
1868         * @hide
1869         */
1870        public static final String SHOW_TOUCHES = "show_touches";
1871
1872        /**
1873         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1874         * orientationplot.py tool.
1875         * 0 = no
1876         * 1 = yes
1877         * @hide
1878         */
1879        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1880                "window_orientation_listener_log";
1881
1882        /**
1883         * Whether to play a sound for low-battery alerts.
1884         * @hide
1885         */
1886        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1887
1888        /**
1889         * Whether to play a sound for dock events.
1890         * @hide
1891         */
1892        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1893
1894        /**
1895         * Whether to play sounds when the keyguard is shown and dismissed.
1896         * @hide
1897         */
1898        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1899
1900        /**
1901         * Whether the lockscreen should be completely disabled.
1902         * @hide
1903         */
1904        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
1905
1906        /**
1907         * URI for the low battery sound file.
1908         * @hide
1909         */
1910        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1911
1912        /**
1913         * URI for the desk dock "in" event sound.
1914         * @hide
1915         */
1916        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1917
1918        /**
1919         * URI for the desk dock "out" event sound.
1920         * @hide
1921         */
1922        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1923
1924        /**
1925         * URI for the car dock "in" event sound.
1926         * @hide
1927         */
1928        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1929
1930        /**
1931         * URI for the car dock "out" event sound.
1932         * @hide
1933         */
1934        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1935
1936        /**
1937         * URI for the "device locked" (keyguard shown) sound.
1938         * @hide
1939         */
1940        public static final String LOCK_SOUND = "lock_sound";
1941
1942        /**
1943         * URI for the "device unlocked" (keyguard dismissed) sound.
1944         * @hide
1945         */
1946        public static final String UNLOCK_SOUND = "unlock_sound";
1947
1948        /**
1949         * Receive incoming SIP calls?
1950         * 0 = no
1951         * 1 = yes
1952         * @hide
1953         */
1954        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1955
1956        /**
1957         * Call Preference String.
1958         * "SIP_ALWAYS" : Always use SIP with network access
1959         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1960         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1961         * @hide
1962         */
1963        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1964
1965        /**
1966         * One of the sip call options: Always use SIP with network access.
1967         * @hide
1968         */
1969        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1970
1971        /**
1972         * One of the sip call options: Only if destination is a SIP address.
1973         * @hide
1974         */
1975        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1976
1977        /**
1978         * One of the sip call options: Always ask me each time.
1979         * @hide
1980         */
1981        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1982
1983        /**
1984         * Pointer speed setting.
1985         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1986         *   -7 = slowest
1987         *    0 = default speed
1988         *   +7 = fastest
1989         * @hide
1990         */
1991        public static final String POINTER_SPEED = "pointer_speed";
1992
1993        /**
1994         * Settings to backup. This is here so that it's in the same place as the settings
1995         * keys and easy to update.
1996         *
1997         * NOTE: Settings are backed up and restored in the order they appear
1998         *       in this array. If you have one setting depending on another,
1999         *       make sure that they are ordered appropriately.
2000         *
2001         * @hide
2002         */
2003        public static final String[] SETTINGS_TO_BACKUP = {
2004            STAY_ON_WHILE_PLUGGED_IN,
2005            WIFI_USE_STATIC_IP,
2006            WIFI_STATIC_IP,
2007            WIFI_STATIC_GATEWAY,
2008            WIFI_STATIC_NETMASK,
2009            WIFI_STATIC_DNS1,
2010            WIFI_STATIC_DNS2,
2011            BLUETOOTH_DISCOVERABILITY,
2012            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
2013            DIM_SCREEN,
2014            SCREEN_OFF_TIMEOUT,
2015            SCREEN_BRIGHTNESS,
2016            SCREEN_BRIGHTNESS_MODE,
2017            SCREEN_AUTO_BRIGHTNESS_ADJ,
2018            VIBRATE_INPUT_DEVICES,
2019            MODE_RINGER,
2020            MODE_RINGER_STREAMS_AFFECTED,
2021            MUTE_STREAMS_AFFECTED,
2022            VOLUME_VOICE,
2023            VOLUME_SYSTEM,
2024            VOLUME_RING,
2025            VOLUME_MUSIC,
2026            VOLUME_ALARM,
2027            VOLUME_NOTIFICATION,
2028            VOLUME_BLUETOOTH_SCO,
2029            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
2030            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
2031            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
2032            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
2033            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
2034            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
2035            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
2036            TEXT_AUTO_REPLACE,
2037            TEXT_AUTO_CAPS,
2038            TEXT_AUTO_PUNCTUATE,
2039            TEXT_SHOW_PASSWORD,
2040            AUTO_TIME,
2041            AUTO_TIME_ZONE,
2042            TIME_12_24,
2043            DATE_FORMAT,
2044            DTMF_TONE_WHEN_DIALING,
2045            DTMF_TONE_TYPE_WHEN_DIALING,
2046            EMERGENCY_TONE,
2047            CALL_AUTO_RETRY,
2048            HEARING_AID,
2049            TTY_MODE,
2050            SOUND_EFFECTS_ENABLED,
2051            HAPTIC_FEEDBACK_ENABLED,
2052            POWER_SOUNDS_ENABLED,
2053            DOCK_SOUNDS_ENABLED,
2054            LOCKSCREEN_SOUNDS_ENABLED,
2055            SHOW_WEB_SUGGESTIONS,
2056            NOTIFICATION_LIGHT_PULSE,
2057            SIP_CALL_OPTIONS,
2058            SIP_RECEIVE_CALLS,
2059            POINTER_SPEED,
2060            VIBRATE_WHEN_RINGING
2061        };
2062
2063        // Settings moved to Settings.Secure
2064
2065        /**
2066         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
2067         * instead
2068         */
2069        @Deprecated
2070        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
2071
2072        /**
2073         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
2074         */
2075        @Deprecated
2076        public static final String ANDROID_ID = Secure.ANDROID_ID;
2077
2078        /**
2079         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
2080         */
2081        @Deprecated
2082        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
2083
2084        /**
2085         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
2086         */
2087        @Deprecated
2088        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
2089
2090        /**
2091         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
2092         */
2093        @Deprecated
2094        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
2095
2096        /**
2097         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
2098         */
2099        @Deprecated
2100        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
2101
2102        /**
2103         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
2104         */
2105        @Deprecated
2106        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2107
2108        /**
2109         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2110         * instead
2111         */
2112        @Deprecated
2113        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2114
2115        /**
2116         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2117         */
2118        @Deprecated
2119        public static final String LOGGING_ID = Secure.LOGGING_ID;
2120
2121        /**
2122         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2123         */
2124        @Deprecated
2125        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2126
2127        /**
2128         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2129         * instead
2130         */
2131        @Deprecated
2132        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2133
2134        /**
2135         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2136         * instead
2137         */
2138        @Deprecated
2139        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2140
2141        /**
2142         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2143         * instead
2144         */
2145        @Deprecated
2146        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2147            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2148
2149        /**
2150         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2151         */
2152        @Deprecated
2153        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2154
2155        /**
2156         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2157         */
2158        @Deprecated
2159        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2160
2161        /**
2162         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2163         */
2164        @Deprecated
2165        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2166
2167       /**
2168         * @deprecated Use
2169         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2170         */
2171        @Deprecated
2172        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2173
2174        /**
2175         * @deprecated Use
2176         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2177         */
2178        @Deprecated
2179        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2180                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2181
2182        /**
2183         * @deprecated Use
2184         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2185         */
2186        @Deprecated
2187        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2188            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2189
2190        /**
2191         * @deprecated Use
2192         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2193         */
2194        @Deprecated
2195        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2196            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2197
2198        /**
2199         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2200         * instead
2201         */
2202        @Deprecated
2203        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2204
2205        /**
2206         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2207         */
2208        @Deprecated
2209        public static final String WIFI_ON = Secure.WIFI_ON;
2210
2211        /**
2212         * @deprecated Use
2213         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2214         * instead
2215         */
2216        @Deprecated
2217        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2218                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2219
2220        /**
2221         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2222         */
2223        @Deprecated
2224        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2225
2226        /**
2227         * @deprecated Use
2228         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2229         */
2230        @Deprecated
2231        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2232                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2233
2234        /**
2235         * @deprecated Use
2236         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2237         */
2238        @Deprecated
2239        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2240                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2241
2242        /**
2243         * @deprecated Use
2244         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2245         * instead
2246         */
2247        @Deprecated
2248        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2249                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2250
2251        /**
2252         * @deprecated Use
2253         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2254         */
2255        @Deprecated
2256        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2257            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2258
2259        /**
2260         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2261         * instead
2262         */
2263        @Deprecated
2264        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2265
2266        /**
2267         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2268         */
2269        @Deprecated
2270        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2271
2272        /**
2273         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2274         */
2275        @Deprecated
2276        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2277
2278        /**
2279         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2280         * instead
2281         */
2282        @Deprecated
2283        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2284
2285        /**
2286         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2287         * instead
2288         */
2289        @Deprecated
2290        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2291            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2292    }
2293
2294    /**
2295     * Secure system settings, containing system preferences that applications
2296     * can read but are not allowed to write.  These are for preferences that
2297     * the user must explicitly modify through the system UI or specialized
2298     * APIs for those values, not modified directly by applications.
2299     */
2300    public static final class Secure extends NameValueTable {
2301        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2302
2303        // Populated lazily, guarded by class object:
2304        private static NameValueCache sNameValueCache = null;
2305
2306        private static ILockSettings sLockSettings = null;
2307
2308        private static boolean sIsSystemProcess;
2309        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
2310        static {
2311            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
2312            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
2313            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
2314            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
2315        }
2316
2317        /**
2318         * Look up a name in the database.
2319         * @param resolver to access the database with
2320         * @param name to look up in the table
2321         * @return the corresponding value, or null if not present
2322         */
2323        public synchronized static String getString(ContentResolver resolver, String name) {
2324            if (sNameValueCache == null) {
2325                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2326                                                     CALL_METHOD_GET_SECURE);
2327            }
2328
2329            if (sLockSettings == null) {
2330                sLockSettings = ILockSettings.Stub.asInterface(
2331                        (IBinder) ServiceManager.getService("lock_settings"));
2332                sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
2333            }
2334            if (sLockSettings != null && !sIsSystemProcess
2335                    && MOVED_TO_LOCK_SETTINGS.contains(name)) {
2336                try {
2337                    return sLockSettings.getString(name, "0", UserId.getCallingUserId());
2338                } catch (RemoteException re) {
2339                    // Fall through
2340                }
2341            }
2342
2343            return sNameValueCache.getString(resolver, name);
2344        }
2345
2346        /**
2347         * Store a name/value pair into the database.
2348         * @param resolver to access the database with
2349         * @param name to store
2350         * @param value to associate with the name
2351         * @return true if the value was set, false on database errors
2352         */
2353        public static boolean putString(ContentResolver resolver,
2354                String name, String value) {
2355            return putString(resolver, CONTENT_URI, name, value);
2356        }
2357
2358        /**
2359         * Construct the content URI for a particular name/value pair,
2360         * useful for monitoring changes with a ContentObserver.
2361         * @param name to look up in the table
2362         * @return the corresponding content URI, or null if not present
2363         */
2364        public static Uri getUriFor(String name) {
2365            return getUriFor(CONTENT_URI, name);
2366        }
2367
2368        /**
2369         * Convenience function for retrieving a single secure settings value
2370         * as an integer.  Note that internally setting values are always
2371         * stored as strings; this function converts the string to an integer
2372         * for you.  The default value will be returned if the setting is
2373         * not defined or not an integer.
2374         *
2375         * @param cr The ContentResolver to access.
2376         * @param name The name of the setting to retrieve.
2377         * @param def Value to return if the setting is not defined.
2378         *
2379         * @return The setting's current value, or 'def' if it is not defined
2380         * or not a valid integer.
2381         */
2382        public static int getInt(ContentResolver cr, String name, int def) {
2383            String v = getString(cr, name);
2384            try {
2385                return v != null ? Integer.parseInt(v) : def;
2386            } catch (NumberFormatException e) {
2387                return def;
2388            }
2389        }
2390
2391        /**
2392         * Convenience function for retrieving a single secure settings value
2393         * as an integer.  Note that internally setting values are always
2394         * stored as strings; this function converts the string to an integer
2395         * for you.
2396         * <p>
2397         * This version does not take a default value.  If the setting has not
2398         * been set, or the string value is not a number,
2399         * it throws {@link SettingNotFoundException}.
2400         *
2401         * @param cr The ContentResolver to access.
2402         * @param name The name of the setting to retrieve.
2403         *
2404         * @throws SettingNotFoundException Thrown if a setting by the given
2405         * name can't be found or the setting value is not an integer.
2406         *
2407         * @return The setting's current value.
2408         */
2409        public static int getInt(ContentResolver cr, String name)
2410                throws SettingNotFoundException {
2411            String v = getString(cr, name);
2412            try {
2413                return Integer.parseInt(v);
2414            } catch (NumberFormatException e) {
2415                throw new SettingNotFoundException(name);
2416            }
2417        }
2418
2419        /**
2420         * Convenience function for updating a single settings value as an
2421         * integer. This will either create a new entry in the table if the
2422         * given name does not exist, or modify the value of the existing row
2423         * with that name.  Note that internally setting values are always
2424         * stored as strings, so this function converts the given value to a
2425         * string before storing it.
2426         *
2427         * @param cr The ContentResolver to access.
2428         * @param name The name of the setting to modify.
2429         * @param value The new value for the setting.
2430         * @return true if the value was set, false on database errors
2431         */
2432        public static boolean putInt(ContentResolver cr, String name, int value) {
2433            return putString(cr, name, Integer.toString(value));
2434        }
2435
2436        /**
2437         * Convenience function for retrieving a single secure settings value
2438         * as a {@code long}.  Note that internally setting values are always
2439         * stored as strings; this function converts the string to a {@code long}
2440         * for you.  The default value will be returned if the setting is
2441         * not defined or not a {@code long}.
2442         *
2443         * @param cr The ContentResolver to access.
2444         * @param name The name of the setting to retrieve.
2445         * @param def Value to return if the setting is not defined.
2446         *
2447         * @return The setting's current value, or 'def' if it is not defined
2448         * or not a valid {@code long}.
2449         */
2450        public static long getLong(ContentResolver cr, String name, long def) {
2451            String valString = getString(cr, name);
2452            long value;
2453            try {
2454                value = valString != null ? Long.parseLong(valString) : def;
2455            } catch (NumberFormatException e) {
2456                value = def;
2457            }
2458            return value;
2459        }
2460
2461        /**
2462         * Convenience function for retrieving a single secure settings value
2463         * as a {@code long}.  Note that internally setting values are always
2464         * stored as strings; this function converts the string to a {@code long}
2465         * for you.
2466         * <p>
2467         * This version does not take a default value.  If the setting has not
2468         * been set, or the string value is not a number,
2469         * it throws {@link SettingNotFoundException}.
2470         *
2471         * @param cr The ContentResolver to access.
2472         * @param name The name of the setting to retrieve.
2473         *
2474         * @return The setting's current value.
2475         * @throws SettingNotFoundException Thrown if a setting by the given
2476         * name can't be found or the setting value is not an integer.
2477         */
2478        public static long getLong(ContentResolver cr, String name)
2479                throws SettingNotFoundException {
2480            String valString = getString(cr, name);
2481            try {
2482                return Long.parseLong(valString);
2483            } catch (NumberFormatException e) {
2484                throw new SettingNotFoundException(name);
2485            }
2486        }
2487
2488        /**
2489         * Convenience function for updating a secure settings value as a long
2490         * integer. This will either create a new entry in the table if the
2491         * given name does not exist, or modify the value of the existing row
2492         * with that name.  Note that internally setting values are always
2493         * stored as strings, so this function converts the given value to a
2494         * string before storing it.
2495         *
2496         * @param cr The ContentResolver to access.
2497         * @param name The name of the setting to modify.
2498         * @param value The new value for the setting.
2499         * @return true if the value was set, false on database errors
2500         */
2501        public static boolean putLong(ContentResolver cr, String name, long value) {
2502            return putString(cr, name, Long.toString(value));
2503        }
2504
2505        /**
2506         * Convenience function for retrieving a single secure settings value
2507         * as a floating point number.  Note that internally setting values are
2508         * always stored as strings; this function converts the string to an
2509         * float for you. The default value will be returned if the setting
2510         * is not defined or not a valid float.
2511         *
2512         * @param cr The ContentResolver to access.
2513         * @param name The name of the setting to retrieve.
2514         * @param def Value to return if the setting is not defined.
2515         *
2516         * @return The setting's current value, or 'def' if it is not defined
2517         * or not a valid float.
2518         */
2519        public static float getFloat(ContentResolver cr, String name, float def) {
2520            String v = getString(cr, name);
2521            try {
2522                return v != null ? Float.parseFloat(v) : def;
2523            } catch (NumberFormatException e) {
2524                return def;
2525            }
2526        }
2527
2528        /**
2529         * Convenience function for retrieving a single secure settings value
2530         * as a float.  Note that internally setting values are always
2531         * stored as strings; this function converts the string to a float
2532         * for you.
2533         * <p>
2534         * This version does not take a default value.  If the setting has not
2535         * been set, or the string value is not a number,
2536         * it throws {@link SettingNotFoundException}.
2537         *
2538         * @param cr The ContentResolver to access.
2539         * @param name The name of the setting to retrieve.
2540         *
2541         * @throws SettingNotFoundException Thrown if a setting by the given
2542         * name can't be found or the setting value is not a float.
2543         *
2544         * @return The setting's current value.
2545         */
2546        public static float getFloat(ContentResolver cr, String name)
2547                throws SettingNotFoundException {
2548            String v = getString(cr, name);
2549            if (v == null) {
2550                throw new SettingNotFoundException(name);
2551            }
2552            try {
2553                return Float.parseFloat(v);
2554            } catch (NumberFormatException e) {
2555                throw new SettingNotFoundException(name);
2556            }
2557        }
2558
2559        /**
2560         * Convenience function for updating a single settings value as a
2561         * floating point number. This will either create a new entry in the
2562         * table if the given name does not exist, or modify the value of the
2563         * existing row with that name.  Note that internally setting values
2564         * are always stored as strings, so this function converts the given
2565         * value to a string before storing it.
2566         *
2567         * @param cr The ContentResolver to access.
2568         * @param name The name of the setting to modify.
2569         * @param value The new value for the setting.
2570         * @return true if the value was set, false on database errors
2571         */
2572        public static boolean putFloat(ContentResolver cr, String name, float value) {
2573            return putString(cr, name, Float.toString(value));
2574        }
2575
2576        /**
2577         * The content:// style URL for this table
2578         */
2579        public static final Uri CONTENT_URI =
2580            Uri.parse("content://" + AUTHORITY + "/secure");
2581
2582        /**
2583         * Whether user has enabled development settings.
2584         */
2585        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
2586
2587        /**
2588         * Whether ADB is enabled.
2589         */
2590        public static final String ADB_ENABLED = "adb_enabled";
2591
2592        /**
2593         * Setting to allow mock locations and location provider status to be injected into the
2594         * LocationManager service for testing purposes during application development.  These
2595         * locations and status values  override actual location and status information generated
2596         * by network, gps, or other location providers.
2597         */
2598        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2599
2600        /**
2601         * A 64-bit number (as a hex string) that is randomly
2602         * generated on the device's first boot and should remain
2603         * constant for the lifetime of the device.  (The value may
2604         * change if a factory reset is performed on the device.)
2605         */
2606        public static final String ANDROID_ID = "android_id";
2607
2608        /**
2609         * Whether bluetooth is enabled/disabled
2610         * 0=disabled. 1=enabled.
2611         */
2612        public static final String BLUETOOTH_ON = "bluetooth_on";
2613
2614        /**
2615         * Get the key that retrieves a bluetooth headset's priority.
2616         * @hide
2617         */
2618        public static final String getBluetoothHeadsetPriorityKey(String address) {
2619            return ("bluetooth_headset_priority_" + address.toUpperCase());
2620        }
2621
2622        /**
2623         * Get the key that retrieves a bluetooth a2dp sink's priority.
2624         * @hide
2625         */
2626        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2627            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2628        }
2629
2630        /**
2631         * Get the key that retrieves a bluetooth Input Device's priority.
2632         * @hide
2633         */
2634        public static final String getBluetoothInputDevicePriorityKey(String address) {
2635            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2636        }
2637
2638        /**
2639         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2640         */
2641        public static final String DATA_ROAMING = "data_roaming";
2642
2643        /**
2644         * Setting to record the input method used by default, holding the ID
2645         * of the desired method.
2646         */
2647        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2648
2649        /**
2650         * Setting to record the input method subtype used by default, holding the ID
2651         * of the desired method.
2652         */
2653        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2654                "selected_input_method_subtype";
2655
2656        /**
2657         * Setting to record the history of input method subtype, holding the pair of ID of IME
2658         * and its last used subtype.
2659         * @hide
2660         */
2661        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2662                "input_methods_subtype_history";
2663
2664        /**
2665         * Setting to record the visibility of input method selector
2666         */
2667        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2668                "input_method_selector_visibility";
2669
2670        /**
2671         * Whether the device has been provisioned (0 = false, 1 = true)
2672         */
2673        public static final String DEVICE_PROVISIONED = "device_provisioned";
2674
2675        /**
2676         * List of input methods that are currently enabled.  This is a string
2677         * containing the IDs of all enabled input methods, each ID separated
2678         * by ':'.
2679         */
2680        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2681
2682        /**
2683         * List of system input methods that are currently disabled.  This is a string
2684         * containing the IDs of all disabled input methods, each ID separated
2685         * by ':'.
2686         * @hide
2687         */
2688        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2689
2690        /**
2691         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2692         * TODO - deprecate in favor of global_http_proxy_host, etc
2693         */
2694        public static final String HTTP_PROXY = "http_proxy";
2695
2696        /**
2697         * Host name for global http proxy.  Set via ConnectivityManager.
2698         * @hide
2699         */
2700        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2701
2702        /**
2703         * Integer host port for global http proxy.  Set via ConnectivityManager.
2704         * @hide
2705         */
2706        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2707
2708        /**
2709         * Exclusion list for global proxy. This string contains a list of comma-separated
2710         * domains where the global proxy does not apply. Domains should be listed in a comma-
2711         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2712         * Use ConnectivityManager to set/get.
2713         * @hide
2714         */
2715        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2716                "global_http_proxy_exclusion_list";
2717
2718        /**
2719         * Enables the UI setting to allow the user to specify the global HTTP proxy
2720         * and associated exclusion list.
2721         * @hide
2722         */
2723        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2724
2725        /**
2726         * Setting for default DNS in case nobody suggests one
2727         * @hide
2728         */
2729        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2730
2731        /**
2732         * Whether the package installer should allow installation of apps downloaded from
2733         * sources other than Google Play.
2734         *
2735         * 1 = allow installing from other sources
2736         * 0 = only allow installing from Google Play
2737         */
2738        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2739
2740        /**
2741         * Comma-separated list of location providers that activities may access.
2742         */
2743        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2744
2745        /**
2746         * A flag containing settings used for biometric weak
2747         * @hide
2748         */
2749        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
2750                "lock_biometric_weak_flags";
2751
2752        /**
2753         * Whether autolock is enabled (0 = false, 1 = true)
2754         */
2755        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2756
2757        /**
2758         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2759         */
2760        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2761
2762        /**
2763         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2764         */
2765        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2766            "lock_pattern_tactile_feedback_enabled";
2767
2768        /**
2769         * This preference allows the device to be locked given time after screen goes off,
2770         * subject to current DeviceAdmin policy limits.
2771         * @hide
2772         */
2773        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2774
2775
2776        /**
2777         * This preference contains the string that shows for owner info on LockScren.
2778         * @hide
2779         */
2780        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2781
2782        /**
2783         * This preference enables showing the owner info on LockScren.
2784         * @hide
2785         */
2786        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2787            "lock_screen_owner_info_enabled";
2788
2789        /**
2790         * The saved value for WindowManagerService.setForcedDisplaySize().
2791         * Two integers separated by a comma.  If unset, then use the real display size.
2792         * @hide
2793         */
2794        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2795
2796        /**
2797         * The saved value for WindowManagerService.setForcedDisplayDensity().
2798         * One integer in dpi.  If unset, then use the real display density.
2799         * @hide
2800         */
2801        public static final String DISPLAY_DENSITY_FORCED = "display_density_forced";
2802
2803        /**
2804         * Whether assisted GPS should be enabled or not.
2805         * @hide
2806         */
2807        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2808
2809        /**
2810         * The Logging ID (a unique 64-bit value) as a hex string.
2811         * Used as a pseudonymous identifier for logging.
2812         * @deprecated This identifier is poorly initialized and has
2813         * many collisions.  It should not be used.
2814         */
2815        @Deprecated
2816        public static final String LOGGING_ID = "logging_id";
2817
2818        /**
2819         * User preference for which network(s) should be used. Only the
2820         * connectivity service should touch this.
2821         */
2822        public static final String NETWORK_PREFERENCE = "network_preference";
2823
2824        /**
2825         * Used to disable Tethering on a device - defaults to true
2826         * @hide
2827         */
2828        public static final String TETHER_SUPPORTED = "tether_supported";
2829
2830        /**
2831         * Used to require DUN APN on the device or not - defaults to a build config value
2832         * which defaults to false
2833         * @hide
2834         */
2835        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2836
2837        /**
2838         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2839         * corresponding build config values are set it will override the APN DB
2840         * values.
2841         * Consists of a comma seperated list of strings:
2842         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2843         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2844         * @hide
2845         */
2846        public static final String TETHER_DUN_APN = "tether_dun_apn";
2847
2848        /**
2849         * No longer supported.
2850         */
2851        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2852
2853        /**
2854         * No longer supported.
2855         */
2856        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2857
2858        /**
2859         * No longer supported.
2860         */
2861        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2862
2863        /**
2864         * A positive value indicates how often the SamplingProfiler
2865         * should take snapshots. Zero value means SamplingProfiler
2866         * is disabled.
2867         *
2868         * @hide
2869         */
2870        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2871
2872        /**
2873         * Settings classname to launch when Settings is clicked from All
2874         * Applications.  Needed because of user testing between the old
2875         * and new Settings apps.
2876         */
2877        // TODO: 881807
2878        public static final String SETTINGS_CLASSNAME = "settings_classname";
2879
2880        /**
2881         * USB Mass Storage Enabled
2882         */
2883        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2884
2885        /**
2886         * If this setting is set (to anything), then all references
2887         * to Gmail on the device must change to Google Mail.
2888         */
2889        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2890
2891        /**
2892         * If accessibility is enabled.
2893         */
2894        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2895
2896        /**
2897         * If touch exploration is enabled.
2898         */
2899        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2900
2901        /**
2902         * List of the enabled accessibility providers.
2903         */
2904        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2905            "enabled_accessibility_services";
2906
2907        /**
2908         * List of the accessibility services to which the user has graned
2909         * permission to put the device into touch exploration mode.
2910         *
2911         * @hide
2912         */
2913        public static final String TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES =
2914            "touch_exploration_granted_accessibility_services";
2915
2916        /**
2917         * Whether to speak passwords while in accessibility mode.
2918         */
2919        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2920
2921        /**
2922         * If injection of accessibility enhancing JavaScript screen-reader
2923         * is enabled.
2924         * <p>
2925         *   Note: The JavaScript based screen-reader is served by the
2926         *   Google infrastructure and enable users with disabilities to
2927         *   efficiantly navigate in and explore web content.
2928         * </p>
2929         * <p>
2930         *   This property represents a boolean value.
2931         * </p>
2932         * @hide
2933         */
2934        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2935            "accessibility_script_injection";
2936
2937        /**
2938         * The URL for the injected JavaScript based screen-reader used
2939         * for providing accessiblity of content in WebView.
2940         * <p>
2941         *   Note: The JavaScript based screen-reader is served by the
2942         *   Google infrastructure and enable users with disabilities to
2943         *   efficiently navigate in and explore web content.
2944         * </p>
2945         * <p>
2946         *   This property represents a string value.
2947         * </p>
2948         * @hide
2949         */
2950        public static final String ACCESSIBILITY_SCREEN_READER_URL =
2951            "accessibility_script_injection_url";
2952
2953        /**
2954         * Key bindings for navigation in built-in accessibility support for web content.
2955         * <p>
2956         *   Note: These key bindings are for the built-in accessibility navigation for
2957         *   web content which is used as a fall back solution if JavaScript in a WebView
2958         *   is not enabled or the user has not opted-in script injection from Google.
2959         * </p>
2960         * <p>
2961         *   The bindings are separated by semi-colon. A binding is a mapping from
2962         *   a key to a sequence of actions (for more details look at
2963         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2964         *   string representation of an integer obtained from a meta state (optional) shifted
2965         *   sixteen times left and bitwise ored with a key code. An action is represented
2966         *   as a hexademical string representation of an integer where the first two digits
2967         *   are navigation action index, the second, the third, and the fourth digit pairs
2968         *   represent the action arguments. The separate actions in a binding are colon
2969         *   separated. The key and the action sequence it maps to are separated by equals.
2970         * </p>
2971         * <p>
2972         *   For example, the binding below maps the DPAD right button to traverse the
2973         *   current navigation axis once without firing an accessibility event and to
2974         *   perform the same traversal again but to fire an event:
2975         *   <code>
2976         *     0x16=0x01000100:0x01000101;
2977         *   </code>
2978         * </p>
2979         * <p>
2980         *   The goal of this binding is to enable dynamic rebinding of keys to
2981         *   navigation actions for web content without requiring a framework change.
2982         * </p>
2983         * <p>
2984         *   This property represents a string value.
2985         * </p>
2986         * @hide
2987         */
2988        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2989            "accessibility_web_content_key_bindings";
2990
2991        /**
2992         * The timout for considering a press to be a long press in milliseconds.
2993         * @hide
2994         */
2995        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2996
2997        /**
2998         * Setting to always use the default text-to-speech settings regardless
2999         * of the application settings.
3000         * 1 = override application settings,
3001         * 0 = use application settings (if specified).
3002         *
3003         * @deprecated  The value of this setting is no longer respected by
3004         * the framework text to speech APIs as of the Ice Cream Sandwich release.
3005         */
3006        @Deprecated
3007        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
3008
3009        /**
3010         * Default text-to-speech engine speech rate. 100 = 1x
3011         */
3012        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
3013
3014        /**
3015         * Default text-to-speech engine pitch. 100 = 1x
3016         */
3017        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
3018
3019        /**
3020         * Default text-to-speech engine.
3021         */
3022        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
3023
3024        /**
3025         * Default text-to-speech language.
3026         *
3027         * @deprecated this setting is no longer in use, as of the Ice Cream
3028         * Sandwich release. Apps should never need to read this setting directly,
3029         * instead can query the TextToSpeech framework classes for the default
3030         * locale. {@link TextToSpeech#getLanguage()}.
3031         */
3032        @Deprecated
3033        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
3034
3035        /**
3036         * Default text-to-speech country.
3037         *
3038         * @deprecated this setting is no longer in use, as of the Ice Cream
3039         * Sandwich release. Apps should never need to read this setting directly,
3040         * instead can query the TextToSpeech framework classes for the default
3041         * locale. {@link TextToSpeech#getLanguage()}.
3042         */
3043        @Deprecated
3044        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
3045
3046        /**
3047         * Default text-to-speech locale variant.
3048         *
3049         * @deprecated this setting is no longer in use, as of the Ice Cream
3050         * Sandwich release. Apps should never need to read this setting directly,
3051         * instead can query the TextToSpeech framework classes for the
3052         * locale that is in use {@link TextToSpeech#getLanguage()}.
3053         */
3054        @Deprecated
3055        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
3056
3057        /**
3058         * Stores the default tts locales on a per engine basis. Stored as
3059         * a comma seperated list of values, each value being of the form
3060         * {@code engine_name:locale} for example,
3061         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
3062         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
3063         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
3064         * setting directly, and can query the TextToSpeech framework classes
3065         * for the locale that is in use.
3066         *
3067         * @hide
3068         */
3069        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
3070
3071        /**
3072         * Space delimited list of plugin packages that are enabled.
3073         */
3074        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
3075
3076        /**
3077         * Whether to notify the user of open networks.
3078         * <p>
3079         * If not connected and the scan results have an open network, we will
3080         * put this notification up. If we attempt to connect to a network or
3081         * the open network(s) disappear, we remove the notification. When we
3082         * show the notification, we will not show it again for
3083         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
3084         */
3085        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3086                "wifi_networks_available_notification_on";
3087        /**
3088         * {@hide}
3089         */
3090        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3091                "wimax_networks_available_notification_on";
3092
3093        /**
3094         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
3095         * Connecting to a network will reset the timer.
3096         */
3097        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3098                "wifi_networks_available_repeat_delay";
3099
3100        /**
3101         * 802.11 country code in ISO 3166 format
3102         * @hide
3103         */
3104        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
3105
3106
3107        /**
3108         * When the number of open networks exceeds this number, the
3109         * least-recently-used excess networks will be removed.
3110         */
3111        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
3112
3113        /**
3114         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
3115         */
3116        public static final String WIFI_ON = "wifi_on";
3117
3118        /**
3119         * Used to save the Wifi_ON state prior to tethering.
3120         * This state will be checked to restore Wifi after
3121         * the user turns off tethering.
3122         *
3123         * @hide
3124         */
3125        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
3126
3127        /**
3128         * AP SSID
3129         *
3130         * @hide
3131         */
3132        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
3133
3134        /**
3135         * AP security
3136         *
3137         * @hide
3138         */
3139        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
3140
3141        /**
3142         * AP passphrase
3143         *
3144         * @hide
3145         */
3146        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
3147
3148        /**
3149         * The acceptable packet loss percentage (range 0 - 100) before trying
3150         * another AP on the same network.
3151         */
3152        @Deprecated
3153        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3154                "wifi_watchdog_acceptable_packet_loss_percentage";
3155
3156        /**
3157         * The number of access points required for a network in order for the
3158         * watchdog to monitor it.
3159         */
3160        @Deprecated
3161        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
3162
3163        /**
3164         * The delay between background checks.
3165         */
3166        @Deprecated
3167        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3168                "wifi_watchdog_background_check_delay_ms";
3169
3170        /**
3171         * Whether the Wi-Fi watchdog is enabled for background checking even
3172         * after it thinks the user has connected to a good access point.
3173         */
3174        @Deprecated
3175        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3176                "wifi_watchdog_background_check_enabled";
3177
3178        /**
3179         * The timeout for a background ping
3180         */
3181        @Deprecated
3182        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3183                "wifi_watchdog_background_check_timeout_ms";
3184
3185        /**
3186         * The number of initial pings to perform that *may* be ignored if they
3187         * fail. Again, if these fail, they will *not* be used in packet loss
3188         * calculation. For example, one network always seemed to time out for
3189         * the first couple pings, so this is set to 3 by default.
3190         */
3191        @Deprecated
3192        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3193            "wifi_watchdog_initial_ignored_ping_count";
3194
3195        /**
3196         * The maximum number of access points (per network) to attempt to test.
3197         * If this number is reached, the watchdog will no longer monitor the
3198         * initial connection state for the network. This is a safeguard for
3199         * networks containing multiple APs whose DNS does not respond to pings.
3200         */
3201        @Deprecated
3202        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3203
3204        /**
3205         * Whether the Wi-Fi watchdog is enabled.
3206         */
3207        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3208
3209        /**
3210         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3211         */
3212        @Deprecated
3213        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3214
3215        /**
3216         * The number of pings to test if an access point is a good connection.
3217         */
3218        @Deprecated
3219        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3220
3221        /**
3222         * The delay between pings.
3223         */
3224        @Deprecated
3225        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3226
3227        /**
3228         * The timeout per ping.
3229         */
3230        @Deprecated
3231        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3232
3233        /**
3234         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3235         * @hide
3236         */
3237        public static final String WIFI_WATCHDOG_ARP_CHECK_INTERVAL_MS =
3238                "wifi_watchdog_arp_interval_ms";
3239
3240        /**
3241         * ms delay interval between rssi polling when the signal is known to be weak
3242         * @hide
3243         */
3244        public static final String WIFI_WATCHDOG_RSSI_FETCH_INTERVAL_MS =
3245                "wifi_watchdog_rssi_fetch_interval_ms";
3246
3247
3248        /**
3249         * ms delay before rechecking a connect SSID for walled garden with a http download.
3250         * @hide
3251         */
3252        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3253                "wifi_watchdog_walled_garden_interval_ms";
3254
3255        /**
3256         * Number of ARP pings per check.
3257         * @hide
3258         */
3259        public static final String WIFI_WATCHDOG_NUM_ARP_PINGS = "wifi_watchdog_num_arp_pings";
3260
3261        /**
3262         * Minimum number of responses to the arp pings to consider the test 'successful'.
3263         * @hide
3264         */
3265        public static final String WIFI_WATCHDOG_MIN_ARP_RESPONSES =
3266                "wifi_watchdog_min_arp_responses";
3267
3268        /**
3269         * Timeout on ARP pings
3270         * @hide
3271         */
3272        public static final String WIFI_WATCHDOG_ARP_PING_TIMEOUT_MS =
3273                "wifi_watchdog_arp_ping_timeout_ms";
3274
3275        /**
3276         * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
3277         * the setting needs to be set to 0 to disable it.
3278         * @hide
3279         */
3280        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3281                "wifi_watchdog_poor_network_test_enabled";
3282
3283        /**
3284         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3285         * the setting needs to be set to 0 to disable it.
3286         * @hide
3287         */
3288        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3289                "wifi_watchdog_walled_garden_test_enabled";
3290
3291        /**
3292         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3293         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3294         * is not part of the title string to notify the user on the presence of a walled garden.
3295         * @hide
3296         */
3297        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3298                "wifi_watchdog_walled_garden_url";
3299
3300        /**
3301         * The maximum number of times we will retry a connection to an access
3302         * point for which we have failed in acquiring an IP address from DHCP.
3303         * A value of N means that we will make N+1 connection attempts in all.
3304         */
3305        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3306
3307        /**
3308         * The operational wifi frequency band
3309         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3310         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3311         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3312         *
3313         * @hide
3314         */
3315        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3316
3317        /**
3318         * The Wi-Fi peer-to-peer device name
3319         * @hide
3320         */
3321        public static final String WIFI_P2P_DEVICE_NAME = "wifi_p2p_device_name";
3322
3323        /**
3324         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3325         * data connectivity to be established after a disconnect from Wi-Fi.
3326         */
3327        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3328            "wifi_mobile_data_transition_wakelock_timeout_ms";
3329
3330        /**
3331         * Whether network service discovery is enabled.
3332         * @hide
3333         */
3334        public static final String NSD_ON = "nsd_on";
3335
3336        /**
3337         * Whether background data usage is allowed by the user. See
3338         * ConnectivityManager for more info.
3339         */
3340        @Deprecated
3341        public static final String BACKGROUND_DATA = "background_data";
3342
3343        /**
3344         * Origins for which browsers should allow geolocation by default.
3345         * The value is a space-separated list of origins.
3346         */
3347        public static final String ALLOWED_GEOLOCATION_ORIGINS
3348                = "allowed_geolocation_origins";
3349
3350        /**
3351         * Whether mobile data connections are allowed by the user.  See
3352         * ConnectivityManager for more info.
3353         * @hide
3354         */
3355        public static final String MOBILE_DATA = "mobile_data";
3356
3357        /**
3358         * The CDMA roaming mode 0 = Home Networks, CDMA default
3359         *                       1 = Roaming on Affiliated networks
3360         *                       2 = Roaming on any networks
3361         * @hide
3362         */
3363        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3364
3365        /**
3366         * The CDMA subscription mode 0 = RUIM/SIM (default)
3367         *                                1 = NV
3368         * @hide
3369         */
3370        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3371
3372        /**
3373         * The preferred network mode   7 = Global
3374         *                              6 = EvDo only
3375         *                              5 = CDMA w/o EvDo
3376         *                              4 = CDMA / EvDo auto
3377         *                              3 = GSM / WCDMA auto
3378         *                              2 = WCDMA only
3379         *                              1 = GSM only
3380         *                              0 = GSM / WCDMA preferred
3381         * @hide
3382         */
3383        public static final String PREFERRED_NETWORK_MODE =
3384                "preferred_network_mode";
3385
3386        /**
3387         * The preferred TTY mode     0 = TTy Off, CDMA default
3388         *                            1 = TTY Full
3389         *                            2 = TTY HCO
3390         *                            3 = TTY VCO
3391         * @hide
3392         */
3393        public static final String PREFERRED_TTY_MODE =
3394                "preferred_tty_mode";
3395
3396
3397        /**
3398         * CDMA Cell Broadcast SMS
3399         *                            0 = CDMA Cell Broadcast SMS disabled
3400         *                            1 = CDMA Cell Broadcast SMS enabled
3401         * @hide
3402         */
3403        public static final String CDMA_CELL_BROADCAST_SMS =
3404                "cdma_cell_broadcast_sms";
3405
3406        /**
3407         * The cdma subscription 0 = Subscription from RUIM, when available
3408         *                       1 = Subscription from NV
3409         * @hide
3410         */
3411        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3412                "preferred_cdma_subscription";
3413
3414        /**
3415         * Whether the enhanced voice privacy mode is enabled.
3416         * 0 = normal voice privacy
3417         * 1 = enhanced voice privacy
3418         * @hide
3419         */
3420        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3421
3422        /**
3423         * Whether the TTY mode mode is enabled.
3424         * 0 = disabled
3425         * 1 = enabled
3426         * @hide
3427         */
3428        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3429
3430        /**
3431         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3432         * @hide
3433         */
3434        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3435
3436        /**
3437         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3438         * @hide
3439         */
3440        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3441
3442        /**
3443         * Controls whether settings backup is enabled.
3444         * Type: int ( 0 = disabled, 1 = enabled )
3445         * @hide
3446         */
3447        public static final String BACKUP_ENABLED = "backup_enabled";
3448
3449        /**
3450         * Controls whether application data is automatically restored from backup
3451         * at install time.
3452         * Type: int ( 0 = disabled, 1 = enabled )
3453         * @hide
3454         */
3455        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3456
3457        /**
3458         * Indicates whether settings backup has been fully provisioned.
3459         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3460         * @hide
3461         */
3462        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3463
3464        /**
3465         * Component of the transport to use for backup/restore.
3466         * @hide
3467         */
3468        public static final String BACKUP_TRANSPORT = "backup_transport";
3469
3470        /**
3471         * Version for which the setup wizard was last shown.  Bumped for
3472         * each release when there is new setup information to show.
3473         * @hide
3474         */
3475        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3476
3477        /**
3478         * How frequently (in seconds) to check the memory status of the
3479         * device.
3480         * @hide
3481         */
3482        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3483
3484        /**
3485         * Max frequency (in seconds) to log memory check stats, in realtime
3486         * seconds.  This allows for throttling of logs when the device is
3487         * running for large amounts of time.
3488         * @hide
3489         */
3490        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3491                "memcheck_log_realtime_interval";
3492
3493        /**
3494         * Boolean indicating whether rebooting due to system memory checks
3495         * is enabled.
3496         * @hide
3497         */
3498        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3499
3500        /**
3501         * How many bytes the system process must be below to avoid scheduling
3502         * a soft reboot.  This reboot will happen when it is next determined
3503         * to be a good time.
3504         * @hide
3505         */
3506        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3507
3508        /**
3509         * How many bytes the system process must be below to avoid scheduling
3510         * a hard reboot.  This reboot will happen immediately.
3511         * @hide
3512         */
3513        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3514
3515        /**
3516         * How many bytes the phone process must be below to avoid scheduling
3517         * a soft restart.  This restart will happen when it is next determined
3518         * to be a good time.
3519         * @hide
3520         */
3521        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3522
3523        /**
3524         * How many bytes the phone process must be below to avoid scheduling
3525         * a hard restart.  This restart will happen immediately.
3526         * @hide
3527         */
3528        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3529
3530        /**
3531         * Boolean indicating whether restarting the phone process due to
3532         * memory checks is enabled.
3533         * @hide
3534         */
3535        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3536
3537        /**
3538         * First time during the day it is okay to kill processes
3539         * or reboot the device due to low memory situations.  This number is
3540         * in seconds since midnight.
3541         * @hide
3542         */
3543        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3544
3545        /**
3546         * Last time during the day it is okay to kill processes
3547         * or reboot the device due to low memory situations.  This number is
3548         * in seconds since midnight.
3549         * @hide
3550         */
3551        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3552
3553        /**
3554         * How long the screen must have been off in order to kill processes
3555         * or reboot.  This number is in seconds.  A value of -1 means to
3556         * entirely disregard whether the screen is on.
3557         * @hide
3558         */
3559        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3560
3561        /**
3562         * How much time there must be until the next alarm in order to kill processes
3563         * or reboot.  This number is in seconds.  Note: this value must be
3564         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3565         * always see an alarm scheduled within its time.
3566         * @hide
3567         */
3568        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3569
3570        /**
3571         * How frequently to check whether it is a good time to restart things,
3572         * if the device is in a bad state.  This number is in seconds.  Note:
3573         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3574         * the alarm to schedule the recheck will always appear within the
3575         * minimum "do not execute now" time.
3576         * @hide
3577         */
3578        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3579
3580        /**
3581         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3582         * will occur.
3583         * @hide
3584         */
3585        public static final String REBOOT_INTERVAL = "reboot_interval";
3586
3587        /**
3588         * First time during the day it is okay to force a reboot of the
3589         * device (if REBOOT_INTERVAL is set).  This number is
3590         * in seconds since midnight.
3591         * @hide
3592         */
3593        public static final String REBOOT_START_TIME = "reboot_start_time";
3594
3595        /**
3596         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3597         * a reboot can be executed.  If 0, a reboot will always be executed at
3598         * exactly the given time.  Otherwise, it will only be executed if
3599         * the device is idle within the window.
3600         * @hide
3601         */
3602        public static final String REBOOT_WINDOW = "reboot_window";
3603
3604        /**
3605         * Threshold values for the duration and level of a discharge cycle, under
3606         * which we log discharge cycle info.
3607         * @hide
3608         */
3609        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3610                "battery_discharge_duration_threshold";
3611        /** @hide */
3612        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3613
3614        /**
3615         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3616         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3617         * will never display the "Report" button.
3618         * Type: int ( 0 = disallow, 1 = allow )
3619         * @hide
3620         */
3621        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3622
3623        /**
3624         * Nonzero causes Log.wtf() to crash.
3625         * @hide
3626         */
3627        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3628
3629        /**
3630         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3631         * @hide
3632         */
3633        public static final String DROPBOX_AGE_SECONDS =
3634                "dropbox_age_seconds";
3635        /**
3636         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3637         * @hide
3638         */
3639        public static final String DROPBOX_MAX_FILES =
3640                "dropbox_max_files";
3641        /**
3642         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3643         * @hide
3644         */
3645        public static final String DROPBOX_QUOTA_KB =
3646                "dropbox_quota_kb";
3647        /**
3648         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3649         * @hide
3650         */
3651        public static final String DROPBOX_QUOTA_PERCENT =
3652                "dropbox_quota_percent";
3653        /**
3654         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3655         * @hide
3656         */
3657        public static final String DROPBOX_RESERVE_PERCENT =
3658                "dropbox_reserve_percent";
3659        /**
3660         * Prefix for per-tag dropbox disable/enable settings.
3661         * @hide
3662         */
3663        public static final String DROPBOX_TAG_PREFIX =
3664                "dropbox:";
3665        /**
3666         * Lines of logcat to include with system crash/ANR/etc. reports,
3667         * as a prefix of the dropbox tag of the report type.
3668         * For example, "logcat_for_system_server_anr" controls the lines
3669         * of logcat captured with system server ANR reports.  0 to disable.
3670         * @hide
3671         */
3672        public static final String ERROR_LOGCAT_PREFIX =
3673                "logcat_for_";
3674
3675
3676        /**
3677         * Screen timeout in milliseconds corresponding to the
3678         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3679         * possible screen timeout behavior.)
3680         * @hide
3681         */
3682        public static final String SHORT_KEYLIGHT_DELAY_MS =
3683                "short_keylight_delay_ms";
3684
3685        /**
3686         * The interval in minutes after which the amount of free storage left on the
3687         * device is logged to the event log
3688         * @hide
3689         */
3690        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3691                "sys_free_storage_log_interval";
3692
3693        /**
3694         * Threshold for the amount of change in disk free space required to report the amount of
3695         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3696         * frequently.
3697         * @hide
3698         */
3699        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3700                "disk_free_change_reporting_threshold";
3701
3702
3703        /**
3704         * Minimum percentage of free storage on the device that is used to determine if
3705         * the device is running low on storage.  The default is 10.
3706         * <p>Say this value is set to 10, the device is considered running low on storage
3707         * if 90% or more of the device storage is filled up.
3708         * @hide
3709         */
3710        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3711                "sys_storage_threshold_percentage";
3712
3713        /**
3714         * Maximum byte size of the low storage threshold.  This is to ensure
3715         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3716         * an overly large threshold for large storage devices.  Currently this
3717         * must be less than 2GB.  This default is 500MB.
3718         * @hide
3719         */
3720        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3721                "sys_storage_threshold_max_bytes";
3722
3723        /**
3724         * Minimum bytes of free storage on the device before the data
3725         * partition is considered full. By default, 1 MB is reserved
3726         * to avoid system-wide SQLite disk full exceptions.
3727         * @hide
3728         */
3729        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3730                "sys_storage_full_threshold_bytes";
3731
3732        /**
3733         * The interval in milliseconds after which Wi-Fi is considered idle.
3734         * When idle, it is possible for the device to be switched from Wi-Fi to
3735         * the mobile data network.
3736         * @hide
3737         */
3738        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3739
3740        /**
3741         * The interval in milliseconds to issue wake up scans when wifi needs
3742         * to connect. This is necessary to connect to an access point when
3743         * device is on the move and the screen is off.
3744         * @hide
3745         */
3746        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3747                "wifi_framework_scan_interval_ms";
3748
3749        /**
3750         * The interval in milliseconds to scan as used by the wifi supplicant
3751         * @hide
3752         */
3753        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3754                "wifi_supplicant_scan_interval_ms";
3755
3756        /**
3757         * The interval in milliseconds at which to check packet counts on the
3758         * mobile data interface when screen is on, to detect possible data
3759         * connection problems.
3760         * @hide
3761         */
3762        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3763                "pdp_watchdog_poll_interval_ms";
3764
3765        /**
3766         * The interval in milliseconds at which to check packet counts on the
3767         * mobile data interface when screen is off, to detect possible data
3768         * connection problems.
3769         * @hide
3770         */
3771        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3772                "pdp_watchdog_long_poll_interval_ms";
3773
3774        /**
3775         * The interval in milliseconds at which to check packet counts on the
3776         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3777         * outgoing packets has been reached without incoming packets.
3778         * @hide
3779         */
3780        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3781                "pdp_watchdog_error_poll_interval_ms";
3782
3783        /**
3784         * The number of outgoing packets sent without seeing an incoming packet
3785         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3786         * device is logged to the event log
3787         * @hide
3788         */
3789        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3790                "pdp_watchdog_trigger_packet_count";
3791
3792        /**
3793         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3794         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3795         * attempting data connection recovery.
3796         * @hide
3797         */
3798        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3799                "pdp_watchdog_error_poll_count";
3800
3801        /**
3802         * The number of failed PDP reset attempts before moving to something more
3803         * drastic: re-registering to the network.
3804         * @hide
3805         */
3806        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3807                "pdp_watchdog_max_pdp_reset_fail_count";
3808
3809        /**
3810         * The number of milliseconds to delay when checking for data stalls during
3811         * non-aggressive detection. (screen is turned off.)
3812         * @hide
3813         */
3814        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3815                "data_stall_alarm_non_aggressive_delay_in_ms";
3816
3817        /**
3818         * The number of milliseconds to delay when checking for data stalls during
3819         * aggressive detection. (screen on or suspected data stall)
3820         * @hide
3821         */
3822        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3823                "data_stall_alarm_aggressive_delay_in_ms";
3824
3825        /**
3826         * The interval in milliseconds at which to check gprs registration
3827         * after the first registration mismatch of gprs and voice service,
3828         * to detect possible data network registration problems.
3829         *
3830         * @hide
3831         */
3832        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3833                "gprs_register_check_period_ms";
3834
3835        /**
3836         * The length of time in milli-seconds that automatic small adjustments to
3837         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3838         * @hide
3839         */
3840        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3841
3842        /**
3843         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3844         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3845         * exceeded.
3846         * @hide
3847         */
3848        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3849
3850        /**
3851         * The maximum reconnect delay for short network outages or when the network is suspended
3852         * due to phone use.
3853         * @hide
3854         */
3855        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3856                "sync_max_retry_delay_in_seconds";
3857
3858        /**
3859         * The interval in milliseconds at which to check the number of SMS sent
3860         * out without asking for use permit, to limit the un-authorized SMS
3861         * usage.
3862         * @hide
3863         */
3864        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3865                "sms_outgoing_check_interval_ms";
3866
3867        /**
3868         * The number of outgoing SMS sent without asking for user permit
3869         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3870         * @hide
3871         */
3872        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3873                "sms_outgoing_check_max_count";
3874
3875        /**
3876         * The global search provider chosen by the user (if multiple global
3877         * search providers are installed). This will be the provider returned
3878         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3879         * installed. This setting is stored as a flattened component name as
3880         * per {@link ComponentName#flattenToString()}.
3881         *
3882         * @hide
3883         */
3884        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3885                "search_global_search_activity";
3886
3887        /**
3888         * The number of promoted sources in GlobalSearch.
3889         * @hide
3890         */
3891        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3892        /**
3893         * The maximum number of suggestions returned by GlobalSearch.
3894         * @hide
3895         */
3896        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3897        /**
3898         * The number of suggestions GlobalSearch will ask each non-web search source for.
3899         * @hide
3900         */
3901        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3902        /**
3903         * The number of suggestions the GlobalSearch will ask the web search source for.
3904         * @hide
3905         */
3906        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3907                "search_web_results_override_limit";
3908        /**
3909         * The number of milliseconds that GlobalSearch will wait for suggestions from
3910         * promoted sources before continuing with all other sources.
3911         * @hide
3912         */
3913        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3914                "search_promoted_source_deadline_millis";
3915        /**
3916         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3917         * @hide
3918         */
3919        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3920        /**
3921         * The maximum number of milliseconds that GlobalSearch shows the previous results
3922         * after receiving a new query.
3923         * @hide
3924         */
3925        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3926        /**
3927         * The maximum age of log data used for shortcuts in GlobalSearch.
3928         * @hide
3929         */
3930        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3931        /**
3932         * The maximum age of log data used for source ranking in GlobalSearch.
3933         * @hide
3934         */
3935        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3936                "search_max_source_event_age_millis";
3937        /**
3938         * The minimum number of impressions needed to rank a source in GlobalSearch.
3939         * @hide
3940         */
3941        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3942                "search_min_impressions_for_source_ranking";
3943        /**
3944         * The minimum number of clicks needed to rank a source in GlobalSearch.
3945         * @hide
3946         */
3947        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3948                "search_min_clicks_for_source_ranking";
3949        /**
3950         * The maximum number of shortcuts shown by GlobalSearch.
3951         * @hide
3952         */
3953        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3954        /**
3955         * The size of the core thread pool for suggestion queries in GlobalSearch.
3956         * @hide
3957         */
3958        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3959                "search_query_thread_core_pool_size";
3960        /**
3961         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3962         * @hide
3963         */
3964        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3965                "search_query_thread_max_pool_size";
3966        /**
3967         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3968         * @hide
3969         */
3970        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3971                "search_shortcut_refresh_core_pool_size";
3972        /**
3973         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3974         * @hide
3975         */
3976        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3977                "search_shortcut_refresh_max_pool_size";
3978        /**
3979         * The maximun time that excess threads in the GlobalSeach thread pools will
3980         * wait before terminating.
3981         * @hide
3982         */
3983        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3984                "search_thread_keepalive_seconds";
3985        /**
3986         * The maximum number of concurrent suggestion queries to each source.
3987         * @hide
3988         */
3989        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3990                "search_per_source_concurrent_query_limit";
3991
3992        /**
3993         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3994         * @hide
3995         */
3996        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3997
3998        /**
3999         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
4000         * @hide
4001         */
4002        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
4003
4004        /**
4005         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
4006         * @hide
4007         */
4008        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
4009
4010        /**
4011         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
4012         * @hide
4013         */
4014        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
4015
4016        /**
4017         * If nonzero, ANRs in invisible background processes bring up a dialog.
4018         * Otherwise, the process will be silently killed.
4019         * @hide
4020         */
4021        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
4022
4023        /**
4024         * The {@link ComponentName} string of the service to be used as the voice recognition
4025         * service.
4026         *
4027         * @hide
4028         */
4029        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
4030
4031
4032        /**
4033         * The {@link ComponentName} string of the selected spell checker service which is
4034         * one of the services managed by the text service manager.
4035         *
4036         * @hide
4037         */
4038        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
4039
4040        /**
4041         * The {@link ComponentName} string of the selected subtype of the selected spell checker
4042         * service which is one of the services managed by the text service manager.
4043         *
4044         * @hide
4045         */
4046        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
4047                "selected_spell_checker_subtype";
4048
4049        /**
4050         * The {@link ComponentName} string whether spell checker is enabled or not.
4051         *
4052         * @hide
4053         */
4054        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
4055
4056        /**
4057         * What happens when the user presses the Power button while in-call
4058         * and the screen is on.<br/>
4059         * <b>Values:</b><br/>
4060         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
4061         * 2 - The Power button hangs up the current call.<br/>
4062         *
4063         * @hide
4064         */
4065        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
4066
4067        /**
4068         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
4069         * @hide
4070         */
4071        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
4072
4073        /**
4074         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
4075         * @hide
4076         */
4077        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
4078
4079        /**
4080         * INCALL_POWER_BUTTON_BEHAVIOR default value.
4081         * @hide
4082         */
4083        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
4084                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
4085
4086        /**
4087         * The current night mode that has been selected by the user.  Owned
4088         * and controlled by UiModeManagerService.  Constants are as per
4089         * UiModeManager.
4090         * @hide
4091         */
4092        public static final String UI_NIGHT_MODE = "ui_night_mode";
4093
4094        /**
4095         * Let user pick default install location.
4096         * @hide
4097         */
4098        public static final String SET_INSTALL_LOCATION = "set_install_location";
4099
4100        /**
4101         * Default install location value.
4102         * 0 = auto, let system decide
4103         * 1 = internal
4104         * 2 = sdcard
4105         * @hide
4106         */
4107        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
4108
4109        /**
4110         * The bandwidth throttle polling freqency in seconds
4111         * @hide
4112         */
4113        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
4114
4115        /**
4116         * The bandwidth throttle threshold (long)
4117         * @hide
4118         */
4119        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
4120
4121        /**
4122         * The bandwidth throttle value (kbps)
4123         * @hide
4124         */
4125        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
4126
4127        /**
4128         * The bandwidth throttle reset calendar day (1-28)
4129         * @hide
4130         */
4131        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
4132
4133        /**
4134         * The throttling notifications we should send
4135         * @hide
4136         */
4137        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
4138
4139        /**
4140         * Help URI for data throttling policy
4141         * @hide
4142         */
4143        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
4144
4145        /**
4146         * The length of time in Sec that we allow our notion of NTP time
4147         * to be cached before we refresh it
4148         * @hide
4149         */
4150        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
4151                "throttle_max_ntp_cache_age_sec";
4152
4153        /**
4154         * The maximum size, in bytes, of a download that the download manager will transfer over
4155         * a non-wifi connection.
4156         * @hide
4157         */
4158        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
4159                "download_manager_max_bytes_over_mobile";
4160
4161        /**
4162         * The recommended maximum size, in bytes, of a download that the download manager should
4163         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
4164         * have the option to start the download over the mobile connection anyway.
4165         * @hide
4166         */
4167        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4168                "download_manager_recommended_max_bytes_over_mobile";
4169
4170        /**
4171         * ms during which to consume extra events related to Inet connection condition
4172         * after a transtion to fully-connected
4173         * @hide
4174         */
4175        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4176                "inet_condition_debounce_up_delay";
4177
4178        /**
4179         * ms during which to consume extra events related to Inet connection condtion
4180         * after a transtion to partly-connected
4181         * @hide
4182         */
4183        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4184                "inet_condition_debounce_down_delay";
4185
4186        /**
4187         * URL to open browser on to allow user to manage a prepay account
4188         * @hide
4189         */
4190        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4191                "setup_prepaid_data_service_url";
4192
4193        /**
4194         * URL to attempt a GET on to see if this is a prepay device
4195         * @hide
4196         */
4197        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4198                "setup_prepaid_detection_target_url";
4199
4200        /**
4201         * Host to check for a redirect to after an attempt to GET
4202         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4203         * this is a prepaid device with zero balance.)
4204         * @hide
4205         */
4206        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4207                "setup_prepaid_detection_redir_host";
4208
4209        /**
4210         * Whether the screensaver is enabled.
4211         * @hide
4212         */
4213        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
4214
4215        /**
4216         * The user's chosen screensaver component.
4217         *
4218         * This component will be launched by the PhoneWindowManager after a timeout when not on
4219         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
4220         * @hide
4221         */
4222        public static final String SCREENSAVER_COMPONENT = "screensaver_component";
4223
4224        /**
4225         * Whether the screensaver should be automatically launched when the device is inserted
4226         * into a (desk) dock.
4227         * @hide
4228         */
4229        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
4230
4231        /** {@hide} */
4232        public static final String NETSTATS_ENABLED = "netstats_enabled";
4233        /** {@hide} */
4234        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4235        /** {@hide} */
4236        public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
4237        /** {@hide} */
4238        public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
4239        /** {@hide} */
4240        public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
4241        /** {@hide} */
4242        public static final String NETSTATS_REPORT_XT_OVER_DEV = "netstats_report_xt_over_dev";
4243
4244        /** {@hide} */
4245        public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
4246        /** {@hide} */
4247        public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
4248        /** {@hide} */
4249        public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
4250        /** {@hide} */
4251        public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
4252
4253        /** {@hide} */
4254        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4255        /** {@hide} */
4256        public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
4257        /** {@hide} */
4258        public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
4259        /** {@hide} */
4260        public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
4261
4262        /** {@hide} */
4263        public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
4264        /** {@hide} */
4265        public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
4266        /** {@hide} */
4267        public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
4268        /** {@hide} */
4269        public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
4270
4271        /** Preferred NTP server. {@hide} */
4272        public static final String NTP_SERVER = "ntp_server";
4273        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4274        public static final String NTP_TIMEOUT = "ntp_timeout";
4275
4276        /** Autofill server address (Used in WebView/browser). {@hide} */
4277        public static final String WEB_AUTOFILL_QUERY_URL =
4278            "web_autofill_query_url";
4279
4280        /** Whether package verification is enabled. {@hide} */
4281        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4282
4283        /** Timeout for package verification. {@hide} */
4284        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4285
4286        /** Default response code for package verification. {@hide} */
4287        public static final String PACKAGE_VERIFIER_DEFAULT_RESPONSE = "verifier_default_response";
4288
4289        /** {@hide} */
4290        public static final String
4291                READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT = "read_external_storage_enforced_default";
4292
4293        /**
4294         * Duration in milliseconds before pre-authorized URIs for the contacts
4295         * provider should expire.
4296         * @hide
4297         */
4298        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4299                "contacts_preauth_uri_expiration";
4300
4301        /**
4302         * Prefix for SMS short code regex patterns (country code is appended).
4303         * @see com.android.internal.telephony.SmsUsageMonitor
4304         * @hide
4305         */
4306        public static final String SMS_SHORT_CODES_PREFIX = "sms_short_codes_";
4307
4308        /**
4309         * This are the settings to be backed up.
4310         *
4311         * NOTE: Settings are backed up and restored in the order they appear
4312         *       in this array. If you have one setting depending on another,
4313         *       make sure that they are ordered appropriately.
4314         *
4315         * @hide
4316         */
4317        public static final String[] SETTINGS_TO_BACKUP = {
4318            ADB_ENABLED,
4319            ALLOW_MOCK_LOCATION,
4320            PARENTAL_CONTROL_ENABLED,
4321            PARENTAL_CONTROL_REDIRECT_URL,
4322            USB_MASS_STORAGE_ENABLED,
4323            ACCESSIBILITY_SCRIPT_INJECTION,
4324            BACKUP_AUTO_RESTORE,
4325            ENABLED_ACCESSIBILITY_SERVICES,
4326            TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
4327            TOUCH_EXPLORATION_ENABLED,
4328            ACCESSIBILITY_ENABLED,
4329            ACCESSIBILITY_SPEAK_PASSWORD,
4330            TTS_USE_DEFAULTS,
4331            TTS_DEFAULT_RATE,
4332            TTS_DEFAULT_PITCH,
4333            TTS_DEFAULT_SYNTH,
4334            TTS_DEFAULT_LANG,
4335            TTS_DEFAULT_COUNTRY,
4336            TTS_ENABLED_PLUGINS,
4337            TTS_DEFAULT_LOCALE,
4338            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4339            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4340            WIFI_NUM_OPEN_NETWORKS_KEPT,
4341            MOUNT_PLAY_NOTIFICATION_SND,
4342            MOUNT_UMS_AUTOSTART,
4343            MOUNT_UMS_PROMPT,
4344            MOUNT_UMS_NOTIFY_ENABLED,
4345            UI_NIGHT_MODE,
4346            LOCK_SCREEN_OWNER_INFO,
4347            LOCK_SCREEN_OWNER_INFO_ENABLED
4348        };
4349
4350        /**
4351         * Helper method for determining if a location provider is enabled.
4352         * @param cr the content resolver to use
4353         * @param provider the location provider to query
4354         * @return true if the provider is enabled
4355         */
4356        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4357            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4358            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4359        }
4360
4361        /**
4362         * Thread-safe method for enabling or disabling a single location provider.
4363         * @param cr the content resolver to use
4364         * @param provider the location provider to enable or disable
4365         * @param enabled true if the provider should be enabled
4366         */
4367        public static final void setLocationProviderEnabled(ContentResolver cr,
4368                String provider, boolean enabled) {
4369            // to ensure thread safety, we write the provider name with a '+' or '-'
4370            // and let the SettingsProvider handle it rather than reading and modifying
4371            // the list of enabled providers.
4372            if (enabled) {
4373                provider = "+" + provider;
4374            } else {
4375                provider = "-" + provider;
4376            }
4377            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4378        }
4379    }
4380
4381    /**
4382     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4383     * Intent URL, allowing it to be either a web page or a particular
4384     * application activity.
4385     *
4386     * @hide
4387     */
4388    public static final class Bookmarks implements BaseColumns
4389    {
4390        private static final String TAG = "Bookmarks";
4391
4392        /**
4393         * The content:// style URL for this table
4394         */
4395        public static final Uri CONTENT_URI =
4396            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4397
4398        /**
4399         * The row ID.
4400         * <p>Type: INTEGER</p>
4401         */
4402        public static final String ID = "_id";
4403
4404        /**
4405         * Descriptive name of the bookmark that can be displayed to the user.
4406         * If this is empty, the title should be resolved at display time (use
4407         * {@link #getTitle(Context, Cursor)} any time you want to display the
4408         * title of a bookmark.)
4409         * <P>
4410         * Type: TEXT
4411         * </P>
4412         */
4413        public static final String TITLE = "title";
4414
4415        /**
4416         * Arbitrary string (displayed to the user) that allows bookmarks to be
4417         * organized into categories.  There are some special names for
4418         * standard folders, which all start with '@'.  The label displayed for
4419         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4420         * the folder name does not change so you can consistently query for
4421         * the folder regardless of the current locale.
4422         *
4423         * <P>Type: TEXT</P>
4424         *
4425         */
4426        public static final String FOLDER = "folder";
4427
4428        /**
4429         * The Intent URL of the bookmark, describing what it points to.  This
4430         * value is given to {@link android.content.Intent#getIntent} to create
4431         * an Intent that can be launched.
4432         * <P>Type: TEXT</P>
4433         */
4434        public static final String INTENT = "intent";
4435
4436        /**
4437         * Optional shortcut character associated with this bookmark.
4438         * <P>Type: INTEGER</P>
4439         */
4440        public static final String SHORTCUT = "shortcut";
4441
4442        /**
4443         * The order in which the bookmark should be displayed
4444         * <P>Type: INTEGER</P>
4445         */
4446        public static final String ORDERING = "ordering";
4447
4448        private static final String[] sIntentProjection = { INTENT };
4449        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4450        private static final String sShortcutSelection = SHORTCUT + "=?";
4451
4452        /**
4453         * Convenience function to retrieve the bookmarked Intent for a
4454         * particular shortcut key.
4455         *
4456         * @param cr The ContentResolver to query.
4457         * @param shortcut The shortcut key.
4458         *
4459         * @return Intent The bookmarked URL, or null if there is no bookmark
4460         *         matching the given shortcut.
4461         */
4462        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4463        {
4464            Intent intent = null;
4465
4466            Cursor c = cr.query(CONTENT_URI,
4467                    sIntentProjection, sShortcutSelection,
4468                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4469            // Keep trying until we find a valid shortcut
4470            try {
4471                while (intent == null && c.moveToNext()) {
4472                    try {
4473                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4474                        intent = Intent.parseUri(intentURI, 0);
4475                    } catch (java.net.URISyntaxException e) {
4476                        // The stored URL is bad...  ignore it.
4477                    } catch (IllegalArgumentException e) {
4478                        // Column not found
4479                        Log.w(TAG, "Intent column not found", e);
4480                    }
4481                }
4482            } finally {
4483                if (c != null) c.close();
4484            }
4485
4486            return intent;
4487        }
4488
4489        /**
4490         * Add a new bookmark to the system.
4491         *
4492         * @param cr The ContentResolver to query.
4493         * @param intent The desired target of the bookmark.
4494         * @param title Bookmark title that is shown to the user; null if none
4495         *            or it should be resolved to the intent's title.
4496         * @param folder Folder in which to place the bookmark; null if none.
4497         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4498         *            this is non-zero and there is an existing bookmark entry
4499         *            with this same shortcut, then that existing shortcut is
4500         *            cleared (the bookmark is not removed).
4501         * @return The unique content URL for the new bookmark entry.
4502         */
4503        public static Uri add(ContentResolver cr,
4504                                           Intent intent,
4505                                           String title,
4506                                           String folder,
4507                                           char shortcut,
4508                                           int ordering)
4509        {
4510            // If a shortcut is supplied, and it is already defined for
4511            // another bookmark, then remove the old definition.
4512            if (shortcut != 0) {
4513                cr.delete(CONTENT_URI, sShortcutSelection,
4514                        new String[] { String.valueOf((int) shortcut) });
4515            }
4516
4517            ContentValues values = new ContentValues();
4518            if (title != null) values.put(TITLE, title);
4519            if (folder != null) values.put(FOLDER, folder);
4520            values.put(INTENT, intent.toUri(0));
4521            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4522            values.put(ORDERING, ordering);
4523            return cr.insert(CONTENT_URI, values);
4524        }
4525
4526        /**
4527         * Return the folder name as it should be displayed to the user.  This
4528         * takes care of localizing special folders.
4529         *
4530         * @param r Resources object for current locale; only need access to
4531         *          system resources.
4532         * @param folder The value found in the {@link #FOLDER} column.
4533         *
4534         * @return CharSequence The label for this folder that should be shown
4535         *         to the user.
4536         */
4537        public static CharSequence getLabelForFolder(Resources r, String folder) {
4538            return folder;
4539        }
4540
4541        /**
4542         * Return the title as it should be displayed to the user. This takes
4543         * care of localizing bookmarks that point to activities.
4544         *
4545         * @param context A context.
4546         * @param cursor A cursor pointing to the row whose title should be
4547         *        returned. The cursor must contain at least the {@link #TITLE}
4548         *        and {@link #INTENT} columns.
4549         * @return A title that is localized and can be displayed to the user,
4550         *         or the empty string if one could not be found.
4551         */
4552        public static CharSequence getTitle(Context context, Cursor cursor) {
4553            int titleColumn = cursor.getColumnIndex(TITLE);
4554            int intentColumn = cursor.getColumnIndex(INTENT);
4555            if (titleColumn == -1 || intentColumn == -1) {
4556                throw new IllegalArgumentException(
4557                        "The cursor must contain the TITLE and INTENT columns.");
4558            }
4559
4560            String title = cursor.getString(titleColumn);
4561            if (!TextUtils.isEmpty(title)) {
4562                return title;
4563            }
4564
4565            String intentUri = cursor.getString(intentColumn);
4566            if (TextUtils.isEmpty(intentUri)) {
4567                return "";
4568            }
4569
4570            Intent intent;
4571            try {
4572                intent = Intent.parseUri(intentUri, 0);
4573            } catch (URISyntaxException e) {
4574                return "";
4575            }
4576
4577            PackageManager packageManager = context.getPackageManager();
4578            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4579            return info != null ? info.loadLabel(packageManager) : "";
4580        }
4581    }
4582
4583    /**
4584     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4585     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4586     * from the GoogleLoginService.
4587     *
4588     * @param androidId The Android ID for this device.
4589     * @return The device ID that should be used when connecting to the mobile gtalk server.
4590     * @hide
4591     */
4592    public static String getGTalkDeviceId(long androidId) {
4593        return "android-" + Long.toHexString(androidId);
4594    }
4595}
4596