Settings.java revision c6080b3cc5dc8b3d5911399aec8df8895eeec07b
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
19
20
21import android.annotation.SdkConstant;
22import android.annotation.SdkConstant.SdkConstantType;
23import android.content.ComponentName;
24import android.content.ContentResolver;
25import android.content.ContentValues;
26import android.content.Context;
27import android.content.IContentProvider;
28import android.content.Intent;
29import android.content.pm.ActivityInfo;
30import android.content.pm.PackageManager;
31import android.content.pm.ResolveInfo;
32import android.content.res.Configuration;
33import android.content.res.Resources;
34import android.database.Cursor;
35import android.database.SQLException;
36import android.net.Uri;
37import android.net.wifi.WifiManager;
38import android.os.BatteryManager;
39import android.os.Bundle;
40import android.os.RemoteException;
41import android.os.SystemProperties;
42import android.text.TextUtils;
43import android.util.AndroidException;
44import android.util.Log;
45
46import java.net.URISyntaxException;
47import java.util.HashMap;
48import java.util.HashSet;
49
50
51/**
52 * The Settings provider contains global system-level device preferences.
53 */
54public final class Settings {
55
56    // Intent actions for Settings
57
58    /**
59     * Activity Action: Show system settings.
60     * <p>
61     * Input: Nothing.
62     * <p>
63     * Output: nothing.
64     */
65    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
66    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
67
68    /**
69     * Activity Action: Show settings to allow configuration of APNs.
70     * <p>
71     * Input: Nothing.
72     * <p>
73     * Output: nothing.
74     */
75    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
76    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
77
78    /**
79     * Activity Action: Show settings to allow configuration of current location
80     * sources.
81     * <p>
82     * In some cases, a matching Activity may not exist, so ensure you
83     * safeguard against this.
84     * <p>
85     * Input: Nothing.
86     * <p>
87     * Output: Nothing.
88     */
89    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
90    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
91            "android.settings.LOCATION_SOURCE_SETTINGS";
92
93    /**
94     * Activity Action: Show settings to allow configuration of wireless controls
95     * such as Wi-Fi, Bluetooth and Mobile networks.
96     * <p>
97     * In some cases, a matching Activity may not exist, so ensure you
98     * safeguard against this.
99     * <p>
100     * Input: Nothing.
101     * <p>
102     * Output: Nothing.
103     */
104    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
105    public static final String ACTION_WIRELESS_SETTINGS =
106            "android.settings.WIRELESS_SETTINGS";
107
108    /**
109     * Activity Action: Show settings to allow entering/exiting airplane mode.
110     * <p>
111     * In some cases, a matching Activity may not exist, so ensure you
112     * safeguard against this.
113     * <p>
114     * Input: Nothing.
115     * <p>
116     * Output: Nothing.
117     */
118    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
119    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
120            "android.settings.AIRPLANE_MODE_SETTINGS";
121
122    /**
123     * Activity Action: Show settings for accessibility modules.
124     * <p>
125     * In some cases, a matching Activity may not exist, so ensure you
126     * safeguard against this.
127     * <p>
128     * Input: Nothing.
129     * <p>
130     * Output: Nothing.
131     */
132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
133    public static final String ACTION_ACCESSIBILITY_SETTINGS =
134            "android.settings.ACCESSIBILITY_SETTINGS";
135
136    /**
137     * Activity Action: Show settings to allow configuration of security and
138     * location privacy.
139     * <p>
140     * In some cases, a matching Activity may not exist, so ensure you
141     * safeguard against this.
142     * <p>
143     * Input: Nothing.
144     * <p>
145     * Output: Nothing.
146     */
147    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
148    public static final String ACTION_SECURITY_SETTINGS =
149            "android.settings.SECURITY_SETTINGS";
150
151    /**
152     * Activity Action: Show settings to allow configuration of privacy options.
153     * <p>
154     * In some cases, a matching Activity may not exist, so ensure you
155     * safeguard against this.
156     * <p>
157     * Input: Nothing.
158     * <p>
159     * Output: Nothing.
160     */
161    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
162    public static final String ACTION_PRIVACY_SETTINGS =
163            "android.settings.PRIVACY_SETTINGS";
164
165    /**
166     * Activity Action: Show settings to allow configuration of Wi-Fi.
167
168     * <p>
169     * In some cases, a matching Activity may not exist, so ensure you
170     * safeguard against this.
171     * <p>
172     * Input: Nothing.
173     * <p>
174     * Output: Nothing.
175
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_WIFI_SETTINGS =
179            "android.settings.WIFI_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to allow configuration of a static IP
183     * address for Wi-Fi.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you safeguard
186     * against this.
187     * <p>
188     * Input: Nothing.
189     * <p>
190     * Output: Nothing.
191     */
192    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
193    public static final String ACTION_WIFI_IP_SETTINGS =
194            "android.settings.WIFI_IP_SETTINGS";
195
196    /**
197     * Activity Action: Show settings to allow configuration of Bluetooth.
198     * <p>
199     * In some cases, a matching Activity may not exist, so ensure you
200     * safeguard against this.
201     * <p>
202     * Input: Nothing.
203     * <p>
204     * Output: Nothing.
205     */
206    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
207    public static final String ACTION_BLUETOOTH_SETTINGS =
208            "android.settings.BLUETOOTH_SETTINGS";
209
210    /**
211     * Activity Action: Show settings to allow configuration of date and time.
212     * <p>
213     * In some cases, a matching Activity may not exist, so ensure you
214     * safeguard against this.
215     * <p>
216     * Input: Nothing.
217     * <p>
218     * Output: Nothing.
219     */
220    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
221    public static final String ACTION_DATE_SETTINGS =
222            "android.settings.DATE_SETTINGS";
223
224    /**
225     * Activity Action: Show settings to allow configuration of sound and volume.
226     * <p>
227     * In some cases, a matching Activity may not exist, so ensure you
228     * safeguard against this.
229     * <p>
230     * Input: Nothing.
231     * <p>
232     * Output: Nothing.
233     */
234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
235    public static final String ACTION_SOUND_SETTINGS =
236            "android.settings.SOUND_SETTINGS";
237
238    /**
239     * Activity Action: Show settings to allow configuration of display.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_DISPLAY_SETTINGS =
250            "android.settings.DISPLAY_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to allow configuration of locale.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261     */
262    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
263    public static final String ACTION_LOCALE_SETTINGS =
264            "android.settings.LOCALE_SETTINGS";
265
266    /**
267     * Activity Action: Show settings to configure input methods, in particular
268     * allowing the user to enable input methods.
269     * <p>
270     * In some cases, a matching Activity may not exist, so ensure you
271     * safeguard against this.
272     * <p>
273     * Input: Nothing.
274     * <p>
275     * Output: Nothing.
276     */
277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
278    public static final String ACTION_INPUT_METHOD_SETTINGS =
279            "android.settings.INPUT_METHOD_SETTINGS";
280
281    /**
282     * Activity Action: Show settings to enable/disable input method subtypes.
283     * <p>
284     * In some cases, a matching Activity may not exist, so ensure you
285     * safeguard against this.
286     * <p>
287     * To tell which input method's subtypes are displayed in the settings, add
288     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
289     * If there is no extra in this Intent, subtypes from all installed input methods
290     * will be displayed in the settings.
291     *
292     * @see android.view.inputmethod.InputMethodInfo#getId
293     * <p>
294     * Input: Nothing.
295     * <p>
296     * Output: Nothing.
297     */
298    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
299    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
300            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
301
302    /**
303     * Activity Action: Show a dialog to select input method.
304     * <p>
305     * In some cases, a matching Activity may not exist, so ensure you
306     * safeguard against this.
307     * <p>
308     * Input: Nothing.
309     * <p>
310     * Output: Nothing.
311     * @hide
312     */
313    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
314    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
315            "android.settings.SHOW_INPUT_METHOD_PICKER";
316
317    /**
318     * Activity Action: Show settings to manage the user input dictionary.
319     * <p>
320     * In some cases, a matching Activity may not exist, so ensure you
321     * safeguard against this.
322     * <p>
323     * Input: Nothing.
324     * <p>
325     * Output: Nothing.
326     */
327    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
328    public static final String ACTION_USER_DICTIONARY_SETTINGS =
329            "android.settings.USER_DICTIONARY_SETTINGS";
330
331    /**
332     * Activity Action: Show settings to allow configuration of application-related settings.
333     * <p>
334     * In some cases, a matching Activity may not exist, so ensure you
335     * safeguard against this.
336     * <p>
337     * Input: Nothing.
338     * <p>
339     * Output: Nothing.
340     */
341    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
342    public static final String ACTION_APPLICATION_SETTINGS =
343            "android.settings.APPLICATION_SETTINGS";
344
345    /**
346     * Activity Action: Show settings to allow configuration of application
347     * development-related settings.
348     * <p>
349     * In some cases, a matching Activity may not exist, so ensure you safeguard
350     * against this.
351     * <p>
352     * Input: Nothing.
353     * <p>
354     * Output: Nothing.
355     */
356    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
357    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
358            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
359
360    /**
361     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
362     * <p>
363     * In some cases, a matching Activity may not exist, so ensure you
364     * safeguard against this.
365     * <p>
366     * Input: Nothing.
367     * <p>
368     * Output: Nothing.
369     */
370    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
371    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
372            "android.settings.QUICK_LAUNCH_SETTINGS";
373
374    /**
375     * Activity Action: Show settings to manage installed applications.
376     * <p>
377     * In some cases, a matching Activity may not exist, so ensure you
378     * safeguard against this.
379     * <p>
380     * Input: Nothing.
381     * <p>
382     * Output: Nothing.
383     */
384    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
385    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
386            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
387
388    /**
389     * Activity Action: Show settings to manage all applications.
390     * <p>
391     * In some cases, a matching Activity may not exist, so ensure you
392     * safeguard against this.
393     * <p>
394     * Input: Nothing.
395     * <p>
396     * Output: Nothing.
397     */
398    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
399    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
400            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
401
402    /**
403     * Activity Action: Show screen of details about a particular application.
404     * <p>
405     * In some cases, a matching Activity may not exist, so ensure you
406     * safeguard against this.
407     * <p>
408     * Input: The Intent's data URI specifies the application package name
409     * to be shown, with the "package" scheme.  That is "package:com.my.app".
410     * <p>
411     * Output: Nothing.
412     */
413    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
414    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
415            "android.settings.APPLICATION_DETAILS_SETTINGS";
416
417    /**
418     * Activity Action: Show settings for system update functionality.
419     * <p>
420     * In some cases, a matching Activity may not exist, so ensure you
421     * safeguard against this.
422     * <p>
423     * Input: Nothing.
424     * <p>
425     * Output: Nothing.
426     *
427     * @hide
428     */
429    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
430    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
431            "android.settings.SYSTEM_UPDATE_SETTINGS";
432
433    /**
434     * Activity Action: Show settings to allow configuration of sync settings.
435     * <p>
436     * In some cases, a matching Activity may not exist, so ensure you
437     * safeguard against this.
438     * <p>
439     * The account types available to add via the add account button may be restricted by adding an
440     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
441     * authorities. Only account types which can sync with that content provider will be offered to
442     * the user.
443     * <p>
444     * Input: Nothing.
445     * <p>
446     * Output: Nothing.
447     */
448    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
449    public static final String ACTION_SYNC_SETTINGS =
450            "android.settings.SYNC_SETTINGS";
451
452    /**
453     * Activity Action: Show add account screen for creating a new account.
454     * <p>
455     * In some cases, a matching Activity may not exist, so ensure you
456     * safeguard against this.
457     * <p>
458     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
459     * extra to the Intent with one or more syncable content provider's authorities.  Only account
460     * types which can sync with that content provider will be offered to the user.
461     * <p>
462     * Input: Nothing.
463     * <p>
464     * Output: Nothing.
465     */
466    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
467    public static final String ACTION_ADD_ACCOUNT =
468            "android.settings.ADD_ACCOUNT_SETTINGS";
469
470    /**
471     * Activity Action: Show settings for selecting the network operator.
472     * <p>
473     * In some cases, a matching Activity may not exist, so ensure you
474     * safeguard against this.
475     * <p>
476     * Input: Nothing.
477     * <p>
478     * Output: Nothing.
479     */
480    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
481    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
482            "android.settings.NETWORK_OPERATOR_SETTINGS";
483
484    /**
485     * Activity Action: Show settings for selection of 2G/3G.
486     * <p>
487     * In some cases, a matching Activity may not exist, so ensure you
488     * safeguard against this.
489     * <p>
490     * Input: Nothing.
491     * <p>
492     * Output: Nothing.
493     */
494    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
495    public static final String ACTION_DATA_ROAMING_SETTINGS =
496            "android.settings.DATA_ROAMING_SETTINGS";
497
498    /**
499     * Activity Action: Show settings for internal storage.
500     * <p>
501     * In some cases, a matching Activity may not exist, so ensure you
502     * safeguard against this.
503     * <p>
504     * Input: Nothing.
505     * <p>
506     * Output: Nothing.
507     */
508    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
509    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
510            "android.settings.INTERNAL_STORAGE_SETTINGS";
511    /**
512     * Activity Action: Show settings for memory card storage.
513     * <p>
514     * In some cases, a matching Activity may not exist, so ensure you
515     * safeguard against this.
516     * <p>
517     * Input: Nothing.
518     * <p>
519     * Output: Nothing.
520     */
521    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
522    public static final String ACTION_MEMORY_CARD_SETTINGS =
523            "android.settings.MEMORY_CARD_SETTINGS";
524
525    /**
526     * Activity Action: Show settings for global search.
527     * <p>
528     * In some cases, a matching Activity may not exist, so ensure you
529     * safeguard against this.
530     * <p>
531     * Input: Nothing.
532     * <p>
533     * Output: Nothing
534     */
535    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
536    public static final String ACTION_SEARCH_SETTINGS =
537        "android.search.action.SEARCH_SETTINGS";
538
539    /**
540     * Activity Action: Show general device information settings (serial
541     * number, software version, phone number, etc.).
542     * <p>
543     * In some cases, a matching Activity may not exist, so ensure you
544     * safeguard against this.
545     * <p>
546     * Input: Nothing.
547     * <p>
548     * Output: Nothing
549     */
550    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
551    public static final String ACTION_DEVICE_INFO_SETTINGS =
552        "android.settings.DEVICE_INFO_SETTINGS";
553
554    // End of Intent actions for Settings
555
556    /**
557     * @hide - Private call() method on SettingsProvider to read from 'system' table.
558     */
559    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
560
561    /**
562     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
563     */
564    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
565
566    /**
567     * Activity Extra: Limit available options in launched activity based on the given authority.
568     * <p>
569     * This can be passed as an extra field in an Activity Intent with one or more syncable content
570     * provider's authorities as a String[]. This field is used by some intents to alter the
571     * behavior of the called activity.
572     * <p>
573     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
574     * on the authority given.
575     */
576    public static final String EXTRA_AUTHORITIES =
577            "authorities";
578
579    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
580
581    private static final String JID_RESOURCE_PREFIX = "android";
582
583    public static final String AUTHORITY = "settings";
584
585    private static final String TAG = "Settings";
586    private static final boolean LOCAL_LOGV = false || false;
587
588    public static class SettingNotFoundException extends AndroidException {
589        public SettingNotFoundException(String msg) {
590            super(msg);
591        }
592    }
593
594    /**
595     * Common base for tables of name/value settings.
596     */
597    public static class NameValueTable implements BaseColumns {
598        public static final String NAME = "name";
599        public static final String VALUE = "value";
600
601        protected static boolean putString(ContentResolver resolver, Uri uri,
602                String name, String value) {
603            // The database will take care of replacing duplicates.
604            try {
605                ContentValues values = new ContentValues();
606                values.put(NAME, name);
607                values.put(VALUE, value);
608                resolver.insert(uri, values);
609                return true;
610            } catch (SQLException e) {
611                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
612                return false;
613            }
614        }
615
616        public static Uri getUriFor(Uri uri, String name) {
617            return Uri.withAppendedPath(uri, name);
618        }
619    }
620
621    // Thread-safe.
622    private static class NameValueCache {
623        private final String mVersionSystemProperty;
624        private final Uri mUri;
625
626        private static final String[] SELECT_VALUE =
627            new String[] { Settings.NameValueTable.VALUE };
628        private static final String NAME_EQ_PLACEHOLDER = "name=?";
629
630        // Must synchronize on 'this' to access mValues and mValuesVersion.
631        private final HashMap<String, String> mValues = new HashMap<String, String>();
632        private long mValuesVersion = 0;
633
634        // Initially null; set lazily and held forever.  Synchronized on 'this'.
635        private IContentProvider mContentProvider = null;
636
637        // The method we'll call (or null, to not use) on the provider
638        // for the fast path of retrieving settings.
639        private final String mCallCommand;
640
641        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
642            mVersionSystemProperty = versionSystemProperty;
643            mUri = uri;
644            mCallCommand = callCommand;
645        }
646
647        public String getString(ContentResolver cr, String name) {
648            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
649
650            synchronized (this) {
651                if (mValuesVersion != newValuesVersion) {
652                    if (LOCAL_LOGV) {
653                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
654                                newValuesVersion + " != cached " + mValuesVersion);
655                    }
656
657                    mValues.clear();
658                    mValuesVersion = newValuesVersion;
659                }
660
661                if (mValues.containsKey(name)) {
662                    return mValues.get(name);  // Could be null, that's OK -- negative caching
663                }
664            }
665
666            IContentProvider cp = null;
667            synchronized (this) {
668                cp = mContentProvider;
669                if (cp == null) {
670                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
671                }
672            }
673
674            // Try the fast path first, not using query().  If this
675            // fails (alternate Settings provider that doesn't support
676            // this interface?) then we fall back to the query/table
677            // interface.
678            if (mCallCommand != null) {
679                try {
680                    Bundle b = cp.call(mCallCommand, name, null);
681                    if (b != null) {
682                        String value = b.getPairValue();
683                        synchronized (this) {
684                            mValues.put(name, value);
685                        }
686                        return value;
687                    }
688                    // If the response Bundle is null, we fall through
689                    // to the query interface below.
690                } catch (RemoteException e) {
691                    // Not supported by the remote side?  Fall through
692                    // to query().
693                }
694            }
695
696            Cursor c = null;
697            try {
698                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
699                             new String[]{name}, null);
700                if (c == null) {
701                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
702                    return null;
703                }
704
705                String value = c.moveToNext() ? c.getString(0) : null;
706                synchronized (this) {
707                    mValues.put(name, value);
708                }
709                if (LOCAL_LOGV) {
710                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
711                            name + " = " + (value == null ? "(null)" : value));
712                }
713                return value;
714            } catch (RemoteException e) {
715                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
716                return null;  // Return null, but don't cache it.
717            } finally {
718                if (c != null) c.close();
719            }
720        }
721    }
722
723    /**
724     * System settings, containing miscellaneous system preferences.  This
725     * table holds simple name/value pairs.  There are convenience
726     * functions for accessing individual settings entries.
727     */
728    public static final class System extends NameValueTable {
729        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
730
731        // Populated lazily, guarded by class object:
732        private static NameValueCache sNameValueCache = null;
733
734        private static final HashSet<String> MOVED_TO_SECURE;
735        static {
736            MOVED_TO_SECURE = new HashSet<String>(30);
737            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
738            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
739            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
740            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
741            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
742            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
743            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
744            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
745            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
746            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
747            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
748            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
749            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
750            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
751            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
752            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
753            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
754            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
755            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
756            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
757            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
758            MOVED_TO_SECURE.add(Secure.WIFI_ON);
759            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
760            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
761            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
762            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
763            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
764            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
765            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
766            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
767            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
768            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
769            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
770        }
771
772        /**
773         * Look up a name in the database.
774         * @param resolver to access the database with
775         * @param name to look up in the table
776         * @return the corresponding value, or null if not present
777         */
778        public synchronized static String getString(ContentResolver resolver, String name) {
779            if (MOVED_TO_SECURE.contains(name)) {
780                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
781                        + " to android.provider.Settings.Secure, returning read-only value.");
782                return Secure.getString(resolver, name);
783            }
784            if (sNameValueCache == null) {
785                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
786                                                     CALL_METHOD_GET_SYSTEM);
787            }
788            return sNameValueCache.getString(resolver, name);
789        }
790
791        /**
792         * Store a name/value pair into the database.
793         * @param resolver to access the database with
794         * @param name to store
795         * @param value to associate with the name
796         * @return true if the value was set, false on database errors
797         */
798        public static boolean putString(ContentResolver resolver, String name, String value) {
799            if (MOVED_TO_SECURE.contains(name)) {
800                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
801                        + " to android.provider.Settings.Secure, value is unchanged.");
802                return false;
803            }
804            return putString(resolver, CONTENT_URI, name, value);
805        }
806
807        /**
808         * Construct the content URI for a particular name/value pair,
809         * useful for monitoring changes with a ContentObserver.
810         * @param name to look up in the table
811         * @return the corresponding content URI, or null if not present
812         */
813        public static Uri getUriFor(String name) {
814            if (MOVED_TO_SECURE.contains(name)) {
815                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
816                    + " to android.provider.Settings.Secure, returning Secure URI.");
817                return Secure.getUriFor(Secure.CONTENT_URI, name);
818            }
819            return getUriFor(CONTENT_URI, name);
820        }
821
822        /**
823         * Convenience function for retrieving a single system settings value
824         * as an integer.  Note that internally setting values are always
825         * stored as strings; this function converts the string to an integer
826         * for you.  The default value will be returned if the setting is
827         * not defined or not an integer.
828         *
829         * @param cr The ContentResolver to access.
830         * @param name The name of the setting to retrieve.
831         * @param def Value to return if the setting is not defined.
832         *
833         * @return The setting's current value, or 'def' if it is not defined
834         * or not a valid integer.
835         */
836        public static int getInt(ContentResolver cr, String name, int def) {
837            String v = getString(cr, name);
838            try {
839                return v != null ? Integer.parseInt(v) : def;
840            } catch (NumberFormatException e) {
841                return def;
842            }
843        }
844
845        /**
846         * Convenience function for retrieving a single system settings value
847         * as an integer.  Note that internally setting values are always
848         * stored as strings; this function converts the string to an integer
849         * for you.
850         * <p>
851         * This version does not take a default value.  If the setting has not
852         * been set, or the string value is not a number,
853         * it throws {@link SettingNotFoundException}.
854         *
855         * @param cr The ContentResolver to access.
856         * @param name The name of the setting to retrieve.
857         *
858         * @throws SettingNotFoundException Thrown if a setting by the given
859         * name can't be found or the setting value is not an integer.
860         *
861         * @return The setting's current value.
862         */
863        public static int getInt(ContentResolver cr, String name)
864                throws SettingNotFoundException {
865            String v = getString(cr, name);
866            try {
867                return Integer.parseInt(v);
868            } catch (NumberFormatException e) {
869                throw new SettingNotFoundException(name);
870            }
871        }
872
873        /**
874         * Convenience function for updating a single settings value as an
875         * integer. This will either create a new entry in the table if the
876         * given name does not exist, or modify the value of the existing row
877         * with that name.  Note that internally setting values are always
878         * stored as strings, so this function converts the given value to a
879         * string before storing it.
880         *
881         * @param cr The ContentResolver to access.
882         * @param name The name of the setting to modify.
883         * @param value The new value for the setting.
884         * @return true if the value was set, false on database errors
885         */
886        public static boolean putInt(ContentResolver cr, String name, int value) {
887            return putString(cr, name, Integer.toString(value));
888        }
889
890        /**
891         * Convenience function for retrieving a single system settings value
892         * as a {@code long}.  Note that internally setting values are always
893         * stored as strings; this function converts the string to a {@code long}
894         * for you.  The default value will be returned if the setting is
895         * not defined or not a {@code long}.
896         *
897         * @param cr The ContentResolver to access.
898         * @param name The name of the setting to retrieve.
899         * @param def Value to return if the setting is not defined.
900         *
901         * @return The setting's current value, or 'def' if it is not defined
902         * or not a valid {@code long}.
903         */
904        public static long getLong(ContentResolver cr, String name, long def) {
905            String valString = getString(cr, name);
906            long value;
907            try {
908                value = valString != null ? Long.parseLong(valString) : def;
909            } catch (NumberFormatException e) {
910                value = def;
911            }
912            return value;
913        }
914
915        /**
916         * Convenience function for retrieving a single system settings value
917         * as a {@code long}.  Note that internally setting values are always
918         * stored as strings; this function converts the string to a {@code long}
919         * for you.
920         * <p>
921         * This version does not take a default value.  If the setting has not
922         * been set, or the string value is not a number,
923         * it throws {@link SettingNotFoundException}.
924         *
925         * @param cr The ContentResolver to access.
926         * @param name The name of the setting to retrieve.
927         *
928         * @return The setting's current value.
929         * @throws SettingNotFoundException Thrown if a setting by the given
930         * name can't be found or the setting value is not an integer.
931         */
932        public static long getLong(ContentResolver cr, String name)
933                throws SettingNotFoundException {
934            String valString = getString(cr, name);
935            try {
936                return Long.parseLong(valString);
937            } catch (NumberFormatException e) {
938                throw new SettingNotFoundException(name);
939            }
940        }
941
942        /**
943         * Convenience function for updating a single settings value as a long
944         * integer. This will either create a new entry in the table if the
945         * given name does not exist, or modify the value of the existing row
946         * with that name.  Note that internally setting values are always
947         * stored as strings, so this function converts the given value to a
948         * string before storing it.
949         *
950         * @param cr The ContentResolver to access.
951         * @param name The name of the setting to modify.
952         * @param value The new value for the setting.
953         * @return true if the value was set, false on database errors
954         */
955        public static boolean putLong(ContentResolver cr, String name, long value) {
956            return putString(cr, name, Long.toString(value));
957        }
958
959        /**
960         * Convenience function for retrieving a single system settings value
961         * as a floating point number.  Note that internally setting values are
962         * always stored as strings; this function converts the string to an
963         * float for you. The default value will be returned if the setting
964         * is not defined or not a valid float.
965         *
966         * @param cr The ContentResolver to access.
967         * @param name The name of the setting to retrieve.
968         * @param def Value to return if the setting is not defined.
969         *
970         * @return The setting's current value, or 'def' if it is not defined
971         * or not a valid float.
972         */
973        public static float getFloat(ContentResolver cr, String name, float def) {
974            String v = getString(cr, name);
975            try {
976                return v != null ? Float.parseFloat(v) : def;
977            } catch (NumberFormatException e) {
978                return def;
979            }
980        }
981
982        /**
983         * Convenience function for retrieving a single system settings value
984         * as a float.  Note that internally setting values are always
985         * stored as strings; this function converts the string to a float
986         * for you.
987         * <p>
988         * This version does not take a default value.  If the setting has not
989         * been set, or the string value is not a number,
990         * it throws {@link SettingNotFoundException}.
991         *
992         * @param cr The ContentResolver to access.
993         * @param name The name of the setting to retrieve.
994         *
995         * @throws SettingNotFoundException Thrown if a setting by the given
996         * name can't be found or the setting value is not a float.
997         *
998         * @return The setting's current value.
999         */
1000        public static float getFloat(ContentResolver cr, String name)
1001                throws SettingNotFoundException {
1002            String v = getString(cr, name);
1003            if (v == null) {
1004                throw new SettingNotFoundException(name);
1005            }
1006            try {
1007                return Float.parseFloat(v);
1008            } catch (NumberFormatException e) {
1009                throw new SettingNotFoundException(name);
1010            }
1011        }
1012
1013        /**
1014         * Convenience function for updating a single settings value as a
1015         * floating point number. This will either create a new entry in the
1016         * table if the given name does not exist, or modify the value of the
1017         * existing row with that name.  Note that internally setting values
1018         * are always stored as strings, so this function converts the given
1019         * value to a string before storing it.
1020         *
1021         * @param cr The ContentResolver to access.
1022         * @param name The name of the setting to modify.
1023         * @param value The new value for the setting.
1024         * @return true if the value was set, false on database errors
1025         */
1026        public static boolean putFloat(ContentResolver cr, String name, float value) {
1027            return putString(cr, name, Float.toString(value));
1028        }
1029
1030        /**
1031         * Convenience function to read all of the current
1032         * configuration-related settings into a
1033         * {@link Configuration} object.
1034         *
1035         * @param cr The ContentResolver to access.
1036         * @param outConfig Where to place the configuration settings.
1037         */
1038        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1039            outConfig.fontScale = Settings.System.getFloat(
1040                cr, FONT_SCALE, outConfig.fontScale);
1041            if (outConfig.fontScale < 0) {
1042                outConfig.fontScale = 1;
1043            }
1044        }
1045
1046        /**
1047         * Convenience function to write a batch of configuration-related
1048         * settings from a {@link Configuration} object.
1049         *
1050         * @param cr The ContentResolver to access.
1051         * @param config The settings to write.
1052         * @return true if the values were set, false on database errors
1053         */
1054        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1055            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1056        }
1057
1058        /** @hide */
1059        public static boolean hasInterestingConfigurationChanges(int changes) {
1060            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1061        }
1062
1063        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1064            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1065        }
1066
1067        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1068            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1069        }
1070
1071        /**
1072         * The content:// style URL for this table
1073         */
1074        public static final Uri CONTENT_URI =
1075            Uri.parse("content://" + AUTHORITY + "/system");
1076
1077        /**
1078         * Whether we keep the device on while the device is plugged in.
1079         * Supported values are:
1080         * <ul>
1081         * <li>{@code 0} to never stay on while plugged in</li>
1082         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1083         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1084         * </ul>
1085         * These values can be OR-ed together.
1086         */
1087        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1088
1089        /**
1090         * What happens when the user presses the end call button if they're not
1091         * on a call.<br/>
1092         * <b>Values:</b><br/>
1093         * 0 - The end button does nothing.<br/>
1094         * 1 - The end button goes to the home screen.<br/>
1095         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1096         * 3 - The end button goes to the home screen.  If the user is already on the
1097         * home screen, it puts the device to sleep.
1098         */
1099        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1100
1101        /**
1102         * END_BUTTON_BEHAVIOR value for "go home".
1103         * @hide
1104         */
1105        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1106
1107        /**
1108         * END_BUTTON_BEHAVIOR value for "go to sleep".
1109         * @hide
1110         */
1111        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1112
1113        /**
1114         * END_BUTTON_BEHAVIOR default value.
1115         * @hide
1116         */
1117        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1118
1119        /**
1120         * Is advanced settings mode turned on. 0 == no, 1 == yes
1121         * @hide
1122         */
1123        public static final String ADVANCED_SETTINGS = "advanced_settings";
1124
1125        /**
1126         * ADVANCED_SETTINGS default value.
1127         * @hide
1128         */
1129        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1130
1131        /**
1132         * Whether Airplane Mode is on.
1133         */
1134        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1135
1136        /**
1137         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1138         */
1139        public static final String RADIO_BLUETOOTH = "bluetooth";
1140
1141        /**
1142         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1143         */
1144        public static final String RADIO_WIFI = "wifi";
1145
1146        /**
1147         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1148         */
1149        public static final String RADIO_CELL = "cell";
1150
1151        /**
1152         * A comma separated list of radios that need to be disabled when airplane mode
1153         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1154         * included in the comma separated list.
1155         */
1156        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1157
1158        /**
1159         * A comma separated list of radios that should to be disabled when airplane mode
1160         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1161         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1162         * will be turned off when entering airplane mode, but the user will be able to reenable
1163         * Wifi in the Settings app.
1164         *
1165         * {@hide}
1166         */
1167        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1168
1169        /**
1170         * The policy for deciding when Wi-Fi should go to sleep (which will in
1171         * turn switch to using the mobile data as an Internet connection).
1172         * <p>
1173         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1174         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1175         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1176         */
1177        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1178
1179        /**
1180         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1181         * policy, which is to sleep shortly after the turning off
1182         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1183         */
1184        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1185
1186        /**
1187         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1188         * the device is on battery, and never go to sleep when the device is
1189         * plugged in.
1190         */
1191        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1192
1193        /**
1194         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1195         */
1196        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1197
1198        //TODO: deprecate static IP constants
1199        /**
1200         * Whether to use static IP and other static network attributes.
1201         * <p>
1202         * Set to 1 for true and 0 for false.
1203         */
1204        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1205
1206        /**
1207         * The static IP address.
1208         * <p>
1209         * Example: "192.168.1.51"
1210         */
1211        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1212
1213        /**
1214         * If using static IP, the gateway's IP address.
1215         * <p>
1216         * Example: "192.168.1.1"
1217         */
1218        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1219
1220        /**
1221         * If using static IP, the net mask.
1222         * <p>
1223         * Example: "255.255.255.0"
1224         */
1225        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1226
1227        /**
1228         * If using static IP, the primary DNS's IP address.
1229         * <p>
1230         * Example: "192.168.1.1"
1231         */
1232        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1233
1234        /**
1235         * If using static IP, the secondary DNS's IP address.
1236         * <p>
1237         * Example: "192.168.1.2"
1238         */
1239        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1240
1241
1242        /**
1243         * Determines whether remote devices may discover and/or connect to
1244         * this device.
1245         * <P>Type: INT</P>
1246         * 2 -- discoverable and connectable
1247         * 1 -- connectable but not discoverable
1248         * 0 -- neither connectable nor discoverable
1249         */
1250        public static final String BLUETOOTH_DISCOVERABILITY =
1251            "bluetooth_discoverability";
1252
1253        /**
1254         * Bluetooth discoverability timeout.  If this value is nonzero, then
1255         * Bluetooth becomes discoverable for a certain number of seconds,
1256         * after which is becomes simply connectable.  The value is in seconds.
1257         */
1258        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1259            "bluetooth_discoverability_timeout";
1260
1261        /**
1262         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1263         * instead
1264         */
1265        @Deprecated
1266        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1267
1268        /**
1269         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1270         * instead
1271         */
1272        @Deprecated
1273        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1274
1275        /**
1276         * @deprecated Use
1277         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1278         * instead
1279         */
1280        @Deprecated
1281        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1282            "lock_pattern_tactile_feedback_enabled";
1283
1284
1285        /**
1286         * A formatted string of the next alarm that is set, or the empty string
1287         * if there is no alarm set.
1288         */
1289        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1290
1291        /**
1292         * Scaling factor for fonts, float.
1293         */
1294        public static final String FONT_SCALE = "font_scale";
1295
1296        /**
1297         * Name of an application package to be debugged.
1298         */
1299        public static final String DEBUG_APP = "debug_app";
1300
1301        /**
1302         * If 1, when launching DEBUG_APP it will wait for the debugger before
1303         * starting user code.  If 0, it will run normally.
1304         */
1305        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1306
1307        /**
1308         * Whether or not to dim the screen. 0=no  1=yes
1309         */
1310        public static final String DIM_SCREEN = "dim_screen";
1311
1312        /**
1313         * The timeout before the screen turns off.
1314         */
1315        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1316
1317        /**
1318         * If 0, the compatibility mode is off for all applications.
1319         * If 1, older applications run under compatibility mode.
1320         * TODO: remove this settings before code freeze (bug/1907571)
1321         * @hide
1322         */
1323        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1324
1325        /**
1326         * The screen backlight brightness between 0 and 255.
1327         */
1328        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1329
1330        /**
1331         * Control whether to enable automatic brightness mode.
1332         */
1333        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1334
1335        /**
1336         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1337         */
1338        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1339
1340        /**
1341         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1342         */
1343        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1344
1345        /**
1346         * Control whether the process CPU usage meter should be shown.
1347         */
1348        public static final String SHOW_PROCESSES = "show_processes";
1349
1350        /**
1351         * If 1, the activity manager will aggressively finish activities and
1352         * processes as soon as they are no longer needed.  If 0, the normal
1353         * extended lifetime is used.
1354         */
1355        public static final String ALWAYS_FINISH_ACTIVITIES =
1356                "always_finish_activities";
1357
1358
1359        /**
1360         * Ringer mode. This is used internally, changing this value will not
1361         * change the ringer mode. See AudioManager.
1362         */
1363        public static final String MODE_RINGER = "mode_ringer";
1364
1365        /**
1366         * Determines which streams are affected by ringer mode changes. The
1367         * stream type's bit should be set to 1 if it should be muted when going
1368         * into an inaudible ringer mode.
1369         */
1370        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1371
1372         /**
1373          * Determines which streams are affected by mute. The
1374          * stream type's bit should be set to 1 if it should be muted when a mute request
1375          * is received.
1376          */
1377         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1378
1379        /**
1380         * Whether vibrate is on for different events. This is used internally,
1381         * changing this value will not change the vibrate. See AudioManager.
1382         */
1383        public static final String VIBRATE_ON = "vibrate_on";
1384
1385        /**
1386         * Ringer volume. This is used internally, changing this value will not
1387         * change the volume. See AudioManager.
1388         */
1389        public static final String VOLUME_RING = "volume_ring";
1390
1391        /**
1392         * System/notifications volume. This is used internally, changing this
1393         * value will not change the volume. See AudioManager.
1394         */
1395        public static final String VOLUME_SYSTEM = "volume_system";
1396
1397        /**
1398         * Voice call volume. This is used internally, changing this value will
1399         * not change the volume. See AudioManager.
1400         */
1401        public static final String VOLUME_VOICE = "volume_voice";
1402
1403        /**
1404         * Music/media/gaming volume. This is used internally, changing this
1405         * value will not change the volume. See AudioManager.
1406         */
1407        public static final String VOLUME_MUSIC = "volume_music";
1408
1409        /**
1410         * Alarm volume. This is used internally, changing this
1411         * value will not change the volume. See AudioManager.
1412         */
1413        public static final String VOLUME_ALARM = "volume_alarm";
1414
1415        /**
1416         * Notification volume. This is used internally, changing this
1417         * value will not change the volume. See AudioManager.
1418         */
1419        public static final String VOLUME_NOTIFICATION = "volume_notification";
1420
1421        /**
1422         * Bluetooth Headset volume. This is used internally, changing this value will
1423         * not change the volume. See AudioManager.
1424         */
1425        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1426
1427        /**
1428         * Whether the notifications should use the ring volume (value of 1) or
1429         * a separate notification volume (value of 0). In most cases, users
1430         * will have this enabled so the notification and ringer volumes will be
1431         * the same. However, power users can disable this and use the separate
1432         * notification volume control.
1433         * <p>
1434         * Note: This is a one-off setting that will be removed in the future
1435         * when there is profile support. For this reason, it is kept hidden
1436         * from the public APIs.
1437         *
1438         * @hide
1439         */
1440        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1441            "notifications_use_ring_volume";
1442
1443        /**
1444         * Whether silent mode should allow vibration feedback. This is used
1445         * internally in AudioService and the Sound settings activity to
1446         * coordinate decoupling of vibrate and silent modes. This setting
1447         * will likely be removed in a future release with support for
1448         * audio/vibe feedback profiles.
1449         *
1450         * @hide
1451         */
1452        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1453
1454        /**
1455         * The mapping of stream type (integer) to its setting.
1456         */
1457        public static final String[] VOLUME_SETTINGS = {
1458            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1459            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1460        };
1461
1462        /**
1463         * Appended to various volume related settings to record the previous
1464         * values before they the settings were affected by a silent/vibrate
1465         * ringer mode change.
1466         */
1467        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1468
1469        /**
1470         * Persistent store for the system-wide default ringtone URI.
1471         * <p>
1472         * If you need to play the default ringtone at any given time, it is recommended
1473         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1474         * to the set default ringtone at the time of playing.
1475         *
1476         * @see #DEFAULT_RINGTONE_URI
1477         */
1478        public static final String RINGTONE = "ringtone";
1479
1480        /**
1481         * A {@link Uri} that will point to the current default ringtone at any
1482         * given time.
1483         * <p>
1484         * If the current default ringtone is in the DRM provider and the caller
1485         * does not have permission, the exception will be a
1486         * FileNotFoundException.
1487         */
1488        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1489
1490        /**
1491         * Persistent store for the system-wide default notification sound.
1492         *
1493         * @see #RINGTONE
1494         * @see #DEFAULT_NOTIFICATION_URI
1495         */
1496        public static final String NOTIFICATION_SOUND = "notification_sound";
1497
1498        /**
1499         * A {@link Uri} that will point to the current default notification
1500         * sound at any given time.
1501         *
1502         * @see #DEFAULT_RINGTONE_URI
1503         */
1504        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1505
1506        /**
1507         * Persistent store for the system-wide default alarm alert.
1508         *
1509         * @see #RINGTONE
1510         * @see #DEFAULT_ALARM_ALERT_URI
1511         */
1512        public static final String ALARM_ALERT = "alarm_alert";
1513
1514        /**
1515         * A {@link Uri} that will point to the current default alarm alert at
1516         * any given time.
1517         *
1518         * @see #DEFAULT_ALARM_ALERT_URI
1519         */
1520        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1521
1522        /**
1523         * Persistent store for the system default media button event receiver.
1524         *
1525         * @hide
1526         */
1527        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1528
1529        /**
1530         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1531         */
1532        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1533
1534        /**
1535         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1536         */
1537        public static final String TEXT_AUTO_CAPS = "auto_caps";
1538
1539        /**
1540         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1541         * feature converts two spaces to a "." and space.
1542         */
1543        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1544
1545        /**
1546         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1547         */
1548        public static final String TEXT_SHOW_PASSWORD = "show_password";
1549
1550        public static final String SHOW_GTALK_SERVICE_STATUS =
1551                "SHOW_GTALK_SERVICE_STATUS";
1552
1553        /**
1554         * Name of activity to use for wallpaper on the home screen.
1555         */
1556        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1557
1558        /**
1559         * Value to specify if the user prefers the date, time and time zone
1560         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1561         */
1562        public static final String AUTO_TIME = "auto_time";
1563
1564        /**
1565         * Value to specify if the user prefers the time zone
1566         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1567         */
1568        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1569
1570        /**
1571         * Display times as 12 or 24 hours
1572         *   12
1573         *   24
1574         */
1575        public static final String TIME_12_24 = "time_12_24";
1576
1577        /**
1578         * Date format string
1579         *   mm/dd/yyyy
1580         *   dd/mm/yyyy
1581         *   yyyy/mm/dd
1582         */
1583        public static final String DATE_FORMAT = "date_format";
1584
1585        /**
1586         * Whether the setup wizard has been run before (on first boot), or if
1587         * it still needs to be run.
1588         *
1589         * nonzero = it has been run in the past
1590         * 0 = it has not been run in the past
1591         */
1592        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1593
1594        /**
1595         * Scaling factor for normal window animations. Setting to 0 will disable window
1596         * animations.
1597         */
1598        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1599
1600        /**
1601         * Scaling factor for activity transition animations. Setting to 0 will disable window
1602         * animations.
1603         */
1604        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1605
1606        /**
1607         * Scaling factor for normal window animations. Setting to 0 will disable window
1608         * animations.
1609         * @hide
1610         */
1611        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1612
1613        /**
1614         * Control whether the accelerometer will be used to change screen
1615         * orientation.  If 0, it will not be used unless explicitly requested
1616         * by the application; if 1, it will be used by default unless explicitly
1617         * disabled by the application.
1618         */
1619        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1620
1621        /**
1622         * Default screen rotation when no other policy applies.
1623         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1624         * preference, this rotation value will be used. Must be one of the
1625         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1626         *
1627         * @see Display#getRotation
1628         */
1629        public static final String USER_ROTATION = "user_rotation";
1630
1631        /**
1632         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1633         * boolean (1 or 0).
1634         */
1635        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1636
1637        /**
1638         * CDMA only settings
1639         * DTMF tone type played by the dialer when dialing.
1640         *                 0 = Normal
1641         *                 1 = Long
1642         * @hide
1643         */
1644        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1645
1646        /**
1647         * CDMA only settings
1648         * Emergency Tone  0 = Off
1649         *                 1 = Alert
1650         *                 2 = Vibrate
1651         * @hide
1652         */
1653        public static final String EMERGENCY_TONE = "emergency_tone";
1654
1655        /**
1656         * CDMA only settings
1657         * Whether the auto retry is enabled. The value is
1658         * boolean (1 or 0).
1659         * @hide
1660         */
1661        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1662
1663        /**
1664         * Whether the hearing aid is enabled. The value is
1665         * boolean (1 or 0).
1666         * @hide
1667         */
1668        public static final String HEARING_AID = "hearing_aid";
1669
1670        /**
1671         * CDMA only settings
1672         * TTY Mode
1673         * 0 = OFF
1674         * 1 = FULL
1675         * 2 = VCO
1676         * 3 = HCO
1677         * @hide
1678         */
1679        public static final String TTY_MODE = "tty_mode";
1680
1681        /**
1682         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1683         * boolean (1 or 0).
1684         */
1685        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1686
1687        /**
1688         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1689         * boolean (1 or 0).
1690         */
1691        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1692
1693        /**
1694         * @deprecated Each application that shows web suggestions should have its own
1695         * setting for this.
1696         */
1697        @Deprecated
1698        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1699
1700        /**
1701         * Whether the notification LED should repeatedly flash when a notification is
1702         * pending. The value is boolean (1 or 0).
1703         * @hide
1704         */
1705        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1706
1707        /**
1708         * Show pointer location on screen?
1709         * 0 = no
1710         * 1 = yes
1711         * @hide
1712         */
1713        public static final String POINTER_LOCATION = "pointer_location";
1714
1715        /**
1716         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1717         * orientationplot.py tool.
1718         * 0 = no
1719         * 1 = yes
1720         * @hide
1721         */
1722        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1723                "window_orientation_listener_log";
1724
1725        /**
1726         * Whether to play a sound for low-battery alerts.
1727         * @hide
1728         */
1729        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1730
1731        /**
1732         * Whether to play a sound for dock events.
1733         * @hide
1734         */
1735        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1736
1737        /**
1738         * Whether to play sounds when the keyguard is shown and dismissed.
1739         * @hide
1740         */
1741        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1742
1743        /**
1744         * URI for the low battery sound file.
1745         * @hide
1746         */
1747        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1748
1749        /**
1750         * URI for the desk dock "in" event sound.
1751         * @hide
1752         */
1753        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1754
1755        /**
1756         * URI for the desk dock "out" event sound.
1757         * @hide
1758         */
1759        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1760
1761        /**
1762         * URI for the car dock "in" event sound.
1763         * @hide
1764         */
1765        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1766
1767        /**
1768         * URI for the car dock "out" event sound.
1769         * @hide
1770         */
1771        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1772
1773        /**
1774         * URI for the "device locked" (keyguard shown) sound.
1775         * @hide
1776         */
1777        public static final String LOCK_SOUND = "lock_sound";
1778
1779        /**
1780         * URI for the "device unlocked" (keyguard dismissed) sound.
1781         * @hide
1782         */
1783        public static final String UNLOCK_SOUND = "unlock_sound";
1784
1785        /**
1786         * Receive incoming SIP calls?
1787         * 0 = no
1788         * 1 = yes
1789         * @hide
1790         */
1791        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1792
1793        /**
1794         * Call Preference String.
1795         * "SIP_ALWAYS" : Always use SIP with network access
1796         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1797         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1798         * @hide
1799         */
1800        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1801
1802        /**
1803         * One of the sip call options: Always use SIP with network access.
1804         * @hide
1805         */
1806        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1807
1808        /**
1809         * One of the sip call options: Only if destination is a SIP address.
1810         * @hide
1811         */
1812        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1813
1814        /**
1815         * One of the sip call options: Always ask me each time.
1816         * @hide
1817         */
1818        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1819
1820        /**
1821         * Pointer speed setting.
1822         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1823         *   -7 = slowest
1824         *    0 = default speed
1825         *   +7 = fastest
1826         * @hide
1827         */
1828        public static final String POINTER_SPEED = "pointer_speed";
1829
1830        /**
1831         * Settings to backup. This is here so that it's in the same place as the settings
1832         * keys and easy to update.
1833         * @hide
1834         */
1835        public static final String[] SETTINGS_TO_BACKUP = {
1836            STAY_ON_WHILE_PLUGGED_IN,
1837            WIFI_USE_STATIC_IP,
1838            WIFI_STATIC_IP,
1839            WIFI_STATIC_GATEWAY,
1840            WIFI_STATIC_NETMASK,
1841            WIFI_STATIC_DNS1,
1842            WIFI_STATIC_DNS2,
1843            BLUETOOTH_DISCOVERABILITY,
1844            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1845            DIM_SCREEN,
1846            SCREEN_OFF_TIMEOUT,
1847            SCREEN_BRIGHTNESS,
1848            SCREEN_BRIGHTNESS_MODE,
1849            VIBRATE_ON,
1850            MODE_RINGER,
1851            MODE_RINGER_STREAMS_AFFECTED,
1852            MUTE_STREAMS_AFFECTED,
1853            VOLUME_VOICE,
1854            VOLUME_SYSTEM,
1855            VOLUME_RING,
1856            VOLUME_MUSIC,
1857            VOLUME_ALARM,
1858            VOLUME_NOTIFICATION,
1859            VOLUME_BLUETOOTH_SCO,
1860            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1861            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1862            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1863            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1864            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1865            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1866            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1867            VIBRATE_IN_SILENT,
1868            TEXT_AUTO_REPLACE,
1869            TEXT_AUTO_CAPS,
1870            TEXT_AUTO_PUNCTUATE,
1871            TEXT_SHOW_PASSWORD,
1872            AUTO_TIME,
1873            AUTO_TIME_ZONE,
1874            TIME_12_24,
1875            DATE_FORMAT,
1876            ACCELEROMETER_ROTATION,
1877            USER_ROTATION,
1878            DTMF_TONE_WHEN_DIALING,
1879            DTMF_TONE_TYPE_WHEN_DIALING,
1880            EMERGENCY_TONE,
1881            CALL_AUTO_RETRY,
1882            HEARING_AID,
1883            TTY_MODE,
1884            SOUND_EFFECTS_ENABLED,
1885            HAPTIC_FEEDBACK_ENABLED,
1886            POWER_SOUNDS_ENABLED,
1887            DOCK_SOUNDS_ENABLED,
1888            LOCKSCREEN_SOUNDS_ENABLED,
1889            SHOW_WEB_SUGGESTIONS,
1890            NOTIFICATION_LIGHT_PULSE,
1891            SIP_CALL_OPTIONS,
1892            SIP_RECEIVE_CALLS,
1893            POINTER_SPEED,
1894        };
1895
1896        // Settings moved to Settings.Secure
1897
1898        /**
1899         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1900         * instead
1901         */
1902        @Deprecated
1903        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1904
1905        /**
1906         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1907         */
1908        @Deprecated
1909        public static final String ANDROID_ID = Secure.ANDROID_ID;
1910
1911        /**
1912         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1913         */
1914        @Deprecated
1915        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1916
1917        /**
1918         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1919         */
1920        @Deprecated
1921        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1922
1923        /**
1924         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1925         */
1926        @Deprecated
1927        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1928
1929        /**
1930         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1931         */
1932        @Deprecated
1933        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1934
1935        /**
1936         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1937         */
1938        @Deprecated
1939        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1940
1941        /**
1942         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1943         * instead
1944         */
1945        @Deprecated
1946        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1947
1948        /**
1949         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1950         */
1951        @Deprecated
1952        public static final String LOGGING_ID = Secure.LOGGING_ID;
1953
1954        /**
1955         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1956         */
1957        @Deprecated
1958        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1959
1960        /**
1961         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1962         * instead
1963         */
1964        @Deprecated
1965        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1966
1967        /**
1968         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1969         * instead
1970         */
1971        @Deprecated
1972        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1973
1974        /**
1975         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1976         * instead
1977         */
1978        @Deprecated
1979        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1980            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1981
1982        /**
1983         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1984         */
1985        @Deprecated
1986        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1987
1988        /**
1989         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1990         */
1991        @Deprecated
1992        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1993
1994        /**
1995         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1996         */
1997        @Deprecated
1998        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1999
2000       /**
2001         * @deprecated Use
2002         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2003         */
2004        @Deprecated
2005        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2006
2007        /**
2008         * @deprecated Use
2009         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2010         */
2011        @Deprecated
2012        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2013                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2014
2015        /**
2016         * @deprecated Use
2017         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2018         */
2019        @Deprecated
2020        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2021            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2022
2023        /**
2024         * @deprecated Use
2025         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2026         */
2027        @Deprecated
2028        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2029            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2030
2031        /**
2032         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2033         * instead
2034         */
2035        @Deprecated
2036        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2037
2038        /**
2039         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2040         */
2041        @Deprecated
2042        public static final String WIFI_ON = Secure.WIFI_ON;
2043
2044        /**
2045         * @deprecated Use
2046         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2047         * instead
2048         */
2049        @Deprecated
2050        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2051                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2052
2053        /**
2054         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2055         */
2056        @Deprecated
2057        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2058
2059        /**
2060         * @deprecated Use
2061         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2062         */
2063        @Deprecated
2064        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2065                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2066
2067        /**
2068         * @deprecated Use
2069         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2070         */
2071        @Deprecated
2072        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2073                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2074
2075        /**
2076         * @deprecated Use
2077         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2078         * instead
2079         */
2080        @Deprecated
2081        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2082                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2083
2084        /**
2085         * @deprecated Use
2086         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2087         */
2088        @Deprecated
2089        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2090            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2091
2092        /**
2093         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2094         * instead
2095         */
2096        @Deprecated
2097        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2098
2099        /**
2100         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2101         */
2102        @Deprecated
2103        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2104
2105        /**
2106         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2107         */
2108        @Deprecated
2109        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2110
2111        /**
2112         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2113         * instead
2114         */
2115        @Deprecated
2116        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2117
2118        /**
2119         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2120         * instead
2121         */
2122        @Deprecated
2123        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2124            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2125    }
2126
2127    /**
2128     * Secure system settings, containing system preferences that applications
2129     * can read but are not allowed to write.  These are for preferences that
2130     * the user must explicitly modify through the system UI or specialized
2131     * APIs for those values, not modified directly by applications.
2132     */
2133    public static final class Secure extends NameValueTable {
2134        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2135
2136        // Populated lazily, guarded by class object:
2137        private static NameValueCache sNameValueCache = null;
2138
2139        /**
2140         * Look up a name in the database.
2141         * @param resolver to access the database with
2142         * @param name to look up in the table
2143         * @return the corresponding value, or null if not present
2144         */
2145        public synchronized static String getString(ContentResolver resolver, String name) {
2146            if (sNameValueCache == null) {
2147                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2148                                                     CALL_METHOD_GET_SECURE);
2149            }
2150            return sNameValueCache.getString(resolver, name);
2151        }
2152
2153        /**
2154         * Store a name/value pair into the database.
2155         * @param resolver to access the database with
2156         * @param name to store
2157         * @param value to associate with the name
2158         * @return true if the value was set, false on database errors
2159         */
2160        public static boolean putString(ContentResolver resolver,
2161                String name, String value) {
2162            return putString(resolver, CONTENT_URI, name, value);
2163        }
2164
2165        /**
2166         * Construct the content URI for a particular name/value pair,
2167         * useful for monitoring changes with a ContentObserver.
2168         * @param name to look up in the table
2169         * @return the corresponding content URI, or null if not present
2170         */
2171        public static Uri getUriFor(String name) {
2172            return getUriFor(CONTENT_URI, name);
2173        }
2174
2175        /**
2176         * Convenience function for retrieving a single secure settings value
2177         * as an integer.  Note that internally setting values are always
2178         * stored as strings; this function converts the string to an integer
2179         * for you.  The default value will be returned if the setting is
2180         * not defined or not an integer.
2181         *
2182         * @param cr The ContentResolver to access.
2183         * @param name The name of the setting to retrieve.
2184         * @param def Value to return if the setting is not defined.
2185         *
2186         * @return The setting's current value, or 'def' if it is not defined
2187         * or not a valid integer.
2188         */
2189        public static int getInt(ContentResolver cr, String name, int def) {
2190            String v = getString(cr, name);
2191            try {
2192                return v != null ? Integer.parseInt(v) : def;
2193            } catch (NumberFormatException e) {
2194                return def;
2195            }
2196        }
2197
2198        /**
2199         * Convenience function for retrieving a single secure settings value
2200         * as an integer.  Note that internally setting values are always
2201         * stored as strings; this function converts the string to an integer
2202         * for you.
2203         * <p>
2204         * This version does not take a default value.  If the setting has not
2205         * been set, or the string value is not a number,
2206         * it throws {@link SettingNotFoundException}.
2207         *
2208         * @param cr The ContentResolver to access.
2209         * @param name The name of the setting to retrieve.
2210         *
2211         * @throws SettingNotFoundException Thrown if a setting by the given
2212         * name can't be found or the setting value is not an integer.
2213         *
2214         * @return The setting's current value.
2215         */
2216        public static int getInt(ContentResolver cr, String name)
2217                throws SettingNotFoundException {
2218            String v = getString(cr, name);
2219            try {
2220                return Integer.parseInt(v);
2221            } catch (NumberFormatException e) {
2222                throw new SettingNotFoundException(name);
2223            }
2224        }
2225
2226        /**
2227         * Convenience function for updating a single settings value as an
2228         * integer. This will either create a new entry in the table if the
2229         * given name does not exist, or modify the value of the existing row
2230         * with that name.  Note that internally setting values are always
2231         * stored as strings, so this function converts the given value to a
2232         * string before storing it.
2233         *
2234         * @param cr The ContentResolver to access.
2235         * @param name The name of the setting to modify.
2236         * @param value The new value for the setting.
2237         * @return true if the value was set, false on database errors
2238         */
2239        public static boolean putInt(ContentResolver cr, String name, int value) {
2240            return putString(cr, name, Integer.toString(value));
2241        }
2242
2243        /**
2244         * Convenience function for retrieving a single secure settings value
2245         * as a {@code long}.  Note that internally setting values are always
2246         * stored as strings; this function converts the string to a {@code long}
2247         * for you.  The default value will be returned if the setting is
2248         * not defined or not a {@code long}.
2249         *
2250         * @param cr The ContentResolver to access.
2251         * @param name The name of the setting to retrieve.
2252         * @param def Value to return if the setting is not defined.
2253         *
2254         * @return The setting's current value, or 'def' if it is not defined
2255         * or not a valid {@code long}.
2256         */
2257        public static long getLong(ContentResolver cr, String name, long def) {
2258            String valString = getString(cr, name);
2259            long value;
2260            try {
2261                value = valString != null ? Long.parseLong(valString) : def;
2262            } catch (NumberFormatException e) {
2263                value = def;
2264            }
2265            return value;
2266        }
2267
2268        /**
2269         * Convenience function for retrieving a single secure settings value
2270         * as a {@code long}.  Note that internally setting values are always
2271         * stored as strings; this function converts the string to a {@code long}
2272         * for you.
2273         * <p>
2274         * This version does not take a default value.  If the setting has not
2275         * been set, or the string value is not a number,
2276         * it throws {@link SettingNotFoundException}.
2277         *
2278         * @param cr The ContentResolver to access.
2279         * @param name The name of the setting to retrieve.
2280         *
2281         * @return The setting's current value.
2282         * @throws SettingNotFoundException Thrown if a setting by the given
2283         * name can't be found or the setting value is not an integer.
2284         */
2285        public static long getLong(ContentResolver cr, String name)
2286                throws SettingNotFoundException {
2287            String valString = getString(cr, name);
2288            try {
2289                return Long.parseLong(valString);
2290            } catch (NumberFormatException e) {
2291                throw new SettingNotFoundException(name);
2292            }
2293        }
2294
2295        /**
2296         * Convenience function for updating a secure settings value as a long
2297         * integer. This will either create a new entry in the table if the
2298         * given name does not exist, or modify the value of the existing row
2299         * with that name.  Note that internally setting values are always
2300         * stored as strings, so this function converts the given value to a
2301         * string before storing it.
2302         *
2303         * @param cr The ContentResolver to access.
2304         * @param name The name of the setting to modify.
2305         * @param value The new value for the setting.
2306         * @return true if the value was set, false on database errors
2307         */
2308        public static boolean putLong(ContentResolver cr, String name, long value) {
2309            return putString(cr, name, Long.toString(value));
2310        }
2311
2312        /**
2313         * Convenience function for retrieving a single secure settings value
2314         * as a floating point number.  Note that internally setting values are
2315         * always stored as strings; this function converts the string to an
2316         * float for you. The default value will be returned if the setting
2317         * is not defined or not a valid float.
2318         *
2319         * @param cr The ContentResolver to access.
2320         * @param name The name of the setting to retrieve.
2321         * @param def Value to return if the setting is not defined.
2322         *
2323         * @return The setting's current value, or 'def' if it is not defined
2324         * or not a valid float.
2325         */
2326        public static float getFloat(ContentResolver cr, String name, float def) {
2327            String v = getString(cr, name);
2328            try {
2329                return v != null ? Float.parseFloat(v) : def;
2330            } catch (NumberFormatException e) {
2331                return def;
2332            }
2333        }
2334
2335        /**
2336         * Convenience function for retrieving a single secure settings value
2337         * as a float.  Note that internally setting values are always
2338         * stored as strings; this function converts the string to a float
2339         * for you.
2340         * <p>
2341         * This version does not take a default value.  If the setting has not
2342         * been set, or the string value is not a number,
2343         * it throws {@link SettingNotFoundException}.
2344         *
2345         * @param cr The ContentResolver to access.
2346         * @param name The name of the setting to retrieve.
2347         *
2348         * @throws SettingNotFoundException Thrown if a setting by the given
2349         * name can't be found or the setting value is not a float.
2350         *
2351         * @return The setting's current value.
2352         */
2353        public static float getFloat(ContentResolver cr, String name)
2354                throws SettingNotFoundException {
2355            String v = getString(cr, name);
2356            if (v == null) {
2357                throw new SettingNotFoundException(name);
2358            }
2359            try {
2360                return Float.parseFloat(v);
2361            } catch (NumberFormatException e) {
2362                throw new SettingNotFoundException(name);
2363            }
2364        }
2365
2366        /**
2367         * Convenience function for updating a single settings value as a
2368         * floating point number. This will either create a new entry in the
2369         * table if the given name does not exist, or modify the value of the
2370         * existing row with that name.  Note that internally setting values
2371         * are always stored as strings, so this function converts the given
2372         * value to a string before storing it.
2373         *
2374         * @param cr The ContentResolver to access.
2375         * @param name The name of the setting to modify.
2376         * @param value The new value for the setting.
2377         * @return true if the value was set, false on database errors
2378         */
2379        public static boolean putFloat(ContentResolver cr, String name, float value) {
2380            return putString(cr, name, Float.toString(value));
2381        }
2382
2383        /**
2384         * The content:// style URL for this table
2385         */
2386        public static final Uri CONTENT_URI =
2387            Uri.parse("content://" + AUTHORITY + "/secure");
2388
2389        /**
2390         * Whether ADB is enabled.
2391         */
2392        public static final String ADB_ENABLED = "adb_enabled";
2393
2394        /**
2395         * Setting to allow mock locations and location provider status to be injected into the
2396         * LocationManager service for testing purposes during application development.  These
2397         * locations and status values  override actual location and status information generated
2398         * by network, gps, or other location providers.
2399         */
2400        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2401
2402        /**
2403         * A 64-bit number (as a hex string) that is randomly
2404         * generated on the device's first boot and should remain
2405         * constant for the lifetime of the device.  (The value may
2406         * change if a factory reset is performed on the device.)
2407         */
2408        public static final String ANDROID_ID = "android_id";
2409
2410        /**
2411         * Whether bluetooth is enabled/disabled
2412         * 0=disabled. 1=enabled.
2413         */
2414        public static final String BLUETOOTH_ON = "bluetooth_on";
2415
2416        /**
2417         * Get the key that retrieves a bluetooth headset's priority.
2418         * @hide
2419         */
2420        public static final String getBluetoothHeadsetPriorityKey(String address) {
2421            return ("bluetooth_headset_priority_" + address.toUpperCase());
2422        }
2423
2424        /**
2425         * Get the key that retrieves a bluetooth a2dp sink's priority.
2426         * @hide
2427         */
2428        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2429            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2430        }
2431
2432        /**
2433         * Get the key that retrieves a bluetooth Input Device's priority.
2434         * @hide
2435         */
2436        public static final String getBluetoothInputDevicePriorityKey(String address) {
2437            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2438        }
2439
2440        /**
2441         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2442         */
2443        public static final String DATA_ROAMING = "data_roaming";
2444
2445        /**
2446         * Setting to record the input method used by default, holding the ID
2447         * of the desired method.
2448         */
2449        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2450
2451        /**
2452         * Setting to record the input method subtype used by default, holding the ID
2453         * of the desired method.
2454         */
2455        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2456                "selected_input_method_subtype";
2457
2458        /**
2459         * Setting to record the history of input method subtype, holding the pair of ID of IME
2460         * and its last used subtype.
2461         * @hide
2462         */
2463        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2464                "input_methods_subtype_history";
2465
2466        /**
2467         * Setting to record the visibility of input method selector
2468         */
2469        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2470                "input_method_selector_visibility";
2471
2472        /**
2473         * Whether the device has been provisioned (0 = false, 1 = true)
2474         */
2475        public static final String DEVICE_PROVISIONED = "device_provisioned";
2476
2477        /**
2478         * List of input methods that are currently enabled.  This is a string
2479         * containing the IDs of all enabled input methods, each ID separated
2480         * by ':'.
2481         */
2482        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2483
2484        /**
2485         * List of system input methods that are currently disabled.  This is a string
2486         * containing the IDs of all disabled input methods, each ID separated
2487         * by ':'.
2488         * @hide
2489         */
2490        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2491
2492        /**
2493         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2494         * TODO - deprecate in favor of global_http_proxy_host, etc
2495         */
2496        public static final String HTTP_PROXY = "http_proxy";
2497
2498        /**
2499         * Host name for global http proxy.  Set via ConnectivityManager.
2500         * @hide
2501         */
2502        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2503
2504        /**
2505         * Integer host port for global http proxy.  Set via ConnectivityManager.
2506         * @hide
2507         */
2508        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2509
2510        /**
2511         * Exclusion list for global proxy. This string contains a list of comma-separated
2512         * domains where the global proxy does not apply. Domains should be listed in a comma-
2513         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2514         * Use ConnectivityManager to set/get.
2515         * @hide
2516         */
2517        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2518                "global_http_proxy_exclusion_list";
2519
2520        /**
2521         * Enables the UI setting to allow the user to specify the global HTTP proxy
2522         * and associated exclusion list.
2523         * @hide
2524         */
2525        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2526
2527        /**
2528         * Setting for default DNS in case nobody suggests one
2529         * @hide
2530         */
2531        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2532
2533        /**
2534         * Whether the package installer should allow installation of apps downloaded from
2535         * sources other than the Android Market (vending machine).
2536         *
2537         * 1 = allow installing from other sources
2538         * 0 = only allow installing from the Android Market
2539         */
2540        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2541
2542        /**
2543         * Comma-separated list of location providers that activities may access.
2544         */
2545        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2546
2547        /**
2548         * Whether autolock is enabled (0 = false, 1 = true)
2549         */
2550        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2551
2552        /**
2553         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2554         */
2555        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2556
2557        /**
2558         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2559         */
2560        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2561            "lock_pattern_tactile_feedback_enabled";
2562
2563        /**
2564         * This preference allows the device to be locked given time after screen goes off,
2565         * subject to current DeviceAdmin policy limits.
2566         * @hide
2567         */
2568        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2569
2570
2571        /**
2572         * This preference contains the string that shows for owner info on LockScren.
2573         * @hide
2574         */
2575        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2576
2577        /**
2578         * This preference enables showing the owner info on LockScren.
2579         * @hide
2580         */
2581        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2582            "lock_screen_owner_info_enabled";
2583
2584        /**
2585         * The saved value for WindowManagerService.setForcedDisplaySize().
2586         * Two integers separated by a comma.  If unset, then use the real display size.
2587         * @hide
2588         */
2589        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2590
2591        /**
2592         * Whether assisted GPS should be enabled or not.
2593         * @hide
2594         */
2595        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2596
2597        /**
2598         * The Logging ID (a unique 64-bit value) as a hex string.
2599         * Used as a pseudonymous identifier for logging.
2600         * @deprecated This identifier is poorly initialized and has
2601         * many collisions.  It should not be used.
2602         */
2603        @Deprecated
2604        public static final String LOGGING_ID = "logging_id";
2605
2606        /**
2607         * User preference for which network(s) should be used. Only the
2608         * connectivity service should touch this.
2609         */
2610        public static final String NETWORK_PREFERENCE = "network_preference";
2611
2612        /**
2613         * Used to disable Tethering on a device - defaults to true
2614         * @hide
2615         */
2616        public static final String TETHER_SUPPORTED = "tether_supported";
2617
2618        /**
2619         * Used to require DUN APN on the device or not - defaults to a build config value
2620         * which defaults to false
2621         * @hide
2622         */
2623        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2624
2625        /**
2626         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2627         * corresponding build config values are set it will override the APN DB
2628         * values.
2629         * Consists of a comma seperated list of strings:
2630         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2631         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2632         * @hide
2633         */
2634        public static final String TETHER_DUN_APN = "tether_dun_apn";
2635
2636        /**
2637         * No longer supported.
2638         */
2639        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2640
2641        /**
2642         * No longer supported.
2643         */
2644        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2645
2646        /**
2647         * No longer supported.
2648         */
2649        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2650
2651        /**
2652         * A positive value indicates how often the SamplingProfiler
2653         * should take snapshots. Zero value means SamplingProfiler
2654         * is disabled.
2655         *
2656         * @hide
2657         */
2658        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2659
2660        /**
2661         * Settings classname to launch when Settings is clicked from All
2662         * Applications.  Needed because of user testing between the old
2663         * and new Settings apps.
2664         */
2665        // TODO: 881807
2666        public static final String SETTINGS_CLASSNAME = "settings_classname";
2667
2668        /**
2669         * USB Mass Storage Enabled
2670         */
2671        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2672
2673        /**
2674         * If this setting is set (to anything), then all references
2675         * to Gmail on the device must change to Google Mail.
2676         */
2677        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2678
2679        /**
2680         * If accessibility is enabled.
2681         */
2682        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2683
2684        /**
2685         * List of the enabled accessibility providers.
2686         */
2687        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2688            "enabled_accessibility_services";
2689
2690        /**
2691         * If injection of accessibility enhancing JavaScript scripts
2692         * is enabled.
2693         * <p>
2694         *   Note: Accessibility injecting scripts are served by the
2695         *   Google infrastructure and enable users with disabilities to
2696         *   efficiantly navigate in and explore web content.
2697         * </p>
2698         * <p>
2699         *   This property represents a boolean value.
2700         * </p>
2701         * @hide
2702         */
2703        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2704            "accessibility_script_injection";
2705
2706        /**
2707         * Key bindings for navigation in built-in accessibility support for web content.
2708         * <p>
2709         *   Note: These key bindings are for the built-in accessibility navigation for
2710         *   web content which is used as a fall back solution if JavaScript in a WebView
2711         *   is not enabled or the user has not opted-in script injection from Google.
2712         * </p>
2713         * <p>
2714         *   The bindings are separated by semi-colon. A binding is a mapping from
2715         *   a key to a sequence of actions (for more details look at
2716         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2717         *   string representation of an integer obtained from a meta state (optional) shifted
2718         *   sixteen times left and bitwise ored with a key code. An action is represented
2719         *   as a hexademical string representation of an integer where the first two digits
2720         *   are navigation action index, the second, the third, and the fourth digit pairs
2721         *   represent the action arguments. The separate actions in a binding are colon
2722         *   separated. The key and the action sequence it maps to are separated by equals.
2723         * </p>
2724         * <p>
2725         *   For example, the binding below maps the DPAD right button to traverse the
2726         *   current navigation axis once without firing an accessibility event and to
2727         *   perform the same traversal again but to fire an event:
2728         *   <code>
2729         *     0x16=0x01000100:0x01000101;
2730         *   </code>
2731         * </p>
2732         * <p>
2733         *   The goal of this binding is to enable dynamic rebinding of keys to
2734         *   navigation actions for web content without requiring a framework change.
2735         * </p>
2736         * <p>
2737         *   This property represents a string value.
2738         * </p>
2739         * @hide
2740         */
2741        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2742            "accessibility_web_content_key_bindings";
2743
2744        /**
2745         * The timout for considering a press to be a long press in milliseconds.
2746         * @hide
2747         */
2748        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2749
2750        /**
2751         * Setting to always use the default text-to-speech settings regardless
2752         * of the application settings.
2753         * 1 = override application settings,
2754         * 0 = use application settings (if specified).
2755         */
2756        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2757
2758        /**
2759         * Default text-to-speech engine speech rate. 100 = 1x
2760         */
2761        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2762
2763        /**
2764         * Default text-to-speech engine pitch. 100 = 1x
2765         */
2766        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2767
2768        /**
2769         * Default text-to-speech engine.
2770         */
2771        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2772
2773        /**
2774         * Default text-to-speech language.
2775         */
2776        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2777
2778        /**
2779         * Default text-to-speech country.
2780         */
2781        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2782
2783        /**
2784         * Default text-to-speech locale variant.
2785         */
2786        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2787
2788        /**
2789         * Space delimited list of plugin packages that are enabled.
2790         */
2791        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2792
2793        /**
2794         * Whether to notify the user of open networks.
2795         * <p>
2796         * If not connected and the scan results have an open network, we will
2797         * put this notification up. If we attempt to connect to a network or
2798         * the open network(s) disappear, we remove the notification. When we
2799         * show the notification, we will not show it again for
2800         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2801         */
2802        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2803                "wifi_networks_available_notification_on";
2804
2805        /**
2806         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2807         * Connecting to a network will reset the timer.
2808         */
2809        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2810                "wifi_networks_available_repeat_delay";
2811
2812        /**
2813         * 802.11 country code in ISO 3166 format
2814         * @hide
2815         */
2816        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2817
2818
2819        /**
2820         * When the number of open networks exceeds this number, the
2821         * least-recently-used excess networks will be removed.
2822         */
2823        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2824
2825        /**
2826         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2827         */
2828        public static final String WIFI_ON = "wifi_on";
2829
2830        /**
2831         * Used to save the Wifi_ON state prior to tethering.
2832         * This state will be checked to restore Wifi after
2833         * the user turns off tethering.
2834         *
2835         * @hide
2836         */
2837        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2838
2839        /**
2840         * AP SSID
2841         *
2842         * @hide
2843         */
2844        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2845
2846        /**
2847         * AP security
2848         *
2849         * @hide
2850         */
2851        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2852
2853        /**
2854         * AP passphrase
2855         *
2856         * @hide
2857         */
2858        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2859
2860        /**
2861         * The acceptable packet loss percentage (range 0 - 100) before trying
2862         * another AP on the same network.
2863         */
2864        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2865                "wifi_watchdog_acceptable_packet_loss_percentage";
2866
2867        /**
2868         * The number of access points required for a network in order for the
2869         * watchdog to monitor it.
2870         */
2871        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2872
2873        /**
2874         * The delay between background checks.
2875         */
2876        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2877                "wifi_watchdog_background_check_delay_ms";
2878
2879        /**
2880         * Whether the Wi-Fi watchdog is enabled for background checking even
2881         * after it thinks the user has connected to a good access point.
2882         */
2883        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2884                "wifi_watchdog_background_check_enabled";
2885
2886        /**
2887         * The timeout for a background ping
2888         */
2889        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2890                "wifi_watchdog_background_check_timeout_ms";
2891
2892        /**
2893         * The number of initial pings to perform that *may* be ignored if they
2894         * fail. Again, if these fail, they will *not* be used in packet loss
2895         * calculation. For example, one network always seemed to time out for
2896         * the first couple pings, so this is set to 3 by default.
2897         */
2898        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2899            "wifi_watchdog_initial_ignored_ping_count";
2900
2901        /**
2902         * The maximum number of access points (per network) to attempt to test.
2903         * If this number is reached, the watchdog will no longer monitor the
2904         * initial connection state for the network. This is a safeguard for
2905         * networks containing multiple APs whose DNS does not respond to pings.
2906         */
2907        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2908
2909        /**
2910         * Whether the Wi-Fi watchdog is enabled.
2911         */
2912        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2913
2914        /**
2915         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2916         */
2917        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2918
2919        /**
2920         * The number of pings to test if an access point is a good connection.
2921         */
2922        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2923
2924        /**
2925         * The delay between pings.
2926         */
2927        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2928
2929        /**
2930         * The timeout per ping.
2931         */
2932        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2933
2934        /**
2935         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
2936         * the setting needs to be set to 0 to disable it.
2937         * @hide
2938         */
2939        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
2940                "wifi_watchdog_walled_garden_test_enabled";
2941
2942        /**
2943         * The URL used for walled garden check upon a new conection. WifiWatchdogService
2944         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
2945         * is not part of the title string to notify the user on the presence of a walled garden.
2946         * @hide
2947         */
2948        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
2949                "wifi_watchdog_walled_garden_url";
2950
2951        /**
2952         * The pattern string in the fetched URL used to detect a walled garden
2953         * @hide
2954         */
2955        public static final String WIFI_WATCHDOG_WALLED_GARDEN_PATTERN =
2956                "wifi_watchdog_walled_garden_pattern";
2957
2958        /**
2959         * The maximum number of times we will retry a connection to an access
2960         * point for which we have failed in acquiring an IP address from DHCP.
2961         * A value of N means that we will make N+1 connection attempts in all.
2962         */
2963        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2964
2965        /**
2966         * The operational wifi frequency band
2967         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
2968         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
2969         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
2970         *
2971         * @hide
2972         */
2973        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
2974
2975        /**
2976         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2977         * data connectivity to be established after a disconnect from Wi-Fi.
2978         */
2979        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2980            "wifi_mobile_data_transition_wakelock_timeout_ms";
2981
2982        /**
2983         * Whether background data usage is allowed by the user. See
2984         * ConnectivityManager for more info.
2985         */
2986        public static final String BACKGROUND_DATA = "background_data";
2987
2988        /**
2989         * Origins for which browsers should allow geolocation by default.
2990         * The value is a space-separated list of origins.
2991         */
2992        public static final String ALLOWED_GEOLOCATION_ORIGINS
2993                = "allowed_geolocation_origins";
2994
2995        /**
2996         * Whether mobile data connections are allowed by the user.  See
2997         * ConnectivityManager for more info.
2998         * @hide
2999         */
3000        public static final String MOBILE_DATA = "mobile_data";
3001
3002        /**
3003         * The CDMA roaming mode 0 = Home Networks, CDMA default
3004         *                       1 = Roaming on Affiliated networks
3005         *                       2 = Roaming on any networks
3006         * @hide
3007         */
3008        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3009
3010        /**
3011         * The CDMA subscription mode 0 = RUIM/SIM (default)
3012         *                                1 = NV
3013         * @hide
3014         */
3015        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3016
3017        /**
3018         * The preferred network mode   7 = Global
3019         *                              6 = EvDo only
3020         *                              5 = CDMA w/o EvDo
3021         *                              4 = CDMA / EvDo auto
3022         *                              3 = GSM / WCDMA auto
3023         *                              2 = WCDMA only
3024         *                              1 = GSM only
3025         *                              0 = GSM / WCDMA preferred
3026         * @hide
3027         */
3028        public static final String PREFERRED_NETWORK_MODE =
3029                "preferred_network_mode";
3030
3031        /**
3032         * The preferred TTY mode     0 = TTy Off, CDMA default
3033         *                            1 = TTY Full
3034         *                            2 = TTY HCO
3035         *                            3 = TTY VCO
3036         * @hide
3037         */
3038        public static final String PREFERRED_TTY_MODE =
3039                "preferred_tty_mode";
3040
3041
3042        /**
3043         * CDMA Cell Broadcast SMS
3044         *                            0 = CDMA Cell Broadcast SMS disabled
3045         *                            1 = CDMA Cell Broadcast SMS enabled
3046         * @hide
3047         */
3048        public static final String CDMA_CELL_BROADCAST_SMS =
3049                "cdma_cell_broadcast_sms";
3050
3051        /**
3052         * The cdma subscription 0 = Subscription from RUIM, when available
3053         *                       1 = Subscription from NV
3054         * @hide
3055         */
3056        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3057                "preferred_cdma_subscription";
3058
3059        /**
3060         * Whether the enhanced voice privacy mode is enabled.
3061         * 0 = normal voice privacy
3062         * 1 = enhanced voice privacy
3063         * @hide
3064         */
3065        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3066
3067        /**
3068         * Whether the TTY mode mode is enabled.
3069         * 0 = disabled
3070         * 1 = enabled
3071         * @hide
3072         */
3073        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3074
3075        /**
3076         * Controls whether settings backup is enabled.
3077         * Type: int ( 0 = disabled, 1 = enabled )
3078         * @hide
3079         */
3080        public static final String BACKUP_ENABLED = "backup_enabled";
3081
3082        /**
3083         * Controls whether application data is automatically restored from backup
3084         * at install time.
3085         * Type: int ( 0 = disabled, 1 = enabled )
3086         * @hide
3087         */
3088        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3089
3090        /**
3091         * Indicates whether settings backup has been fully provisioned.
3092         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3093         * @hide
3094         */
3095        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3096
3097        /**
3098         * Component of the transport to use for backup/restore.
3099         * @hide
3100         */
3101        public static final String BACKUP_TRANSPORT = "backup_transport";
3102
3103        /**
3104         * Version for which the setup wizard was last shown.  Bumped for
3105         * each release when there is new setup information to show.
3106         * @hide
3107         */
3108        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3109
3110        /**
3111         * How frequently (in seconds) to check the memory status of the
3112         * device.
3113         * @hide
3114         */
3115        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3116
3117        /**
3118         * Max frequency (in seconds) to log memory check stats, in realtime
3119         * seconds.  This allows for throttling of logs when the device is
3120         * running for large amounts of time.
3121         * @hide
3122         */
3123        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3124                "memcheck_log_realtime_interval";
3125
3126        /**
3127         * Boolean indicating whether rebooting due to system memory checks
3128         * is enabled.
3129         * @hide
3130         */
3131        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3132
3133        /**
3134         * How many bytes the system process must be below to avoid scheduling
3135         * a soft reboot.  This reboot will happen when it is next determined
3136         * to be a good time.
3137         * @hide
3138         */
3139        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3140
3141        /**
3142         * How many bytes the system process must be below to avoid scheduling
3143         * a hard reboot.  This reboot will happen immediately.
3144         * @hide
3145         */
3146        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3147
3148        /**
3149         * How many bytes the phone process must be below to avoid scheduling
3150         * a soft restart.  This restart will happen when it is next determined
3151         * to be a good time.
3152         * @hide
3153         */
3154        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3155
3156        /**
3157         * How many bytes the phone process must be below to avoid scheduling
3158         * a hard restart.  This restart will happen immediately.
3159         * @hide
3160         */
3161        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3162
3163        /**
3164         * Boolean indicating whether restarting the phone process due to
3165         * memory checks is enabled.
3166         * @hide
3167         */
3168        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3169
3170        /**
3171         * First time during the day it is okay to kill processes
3172         * or reboot the device due to low memory situations.  This number is
3173         * in seconds since midnight.
3174         * @hide
3175         */
3176        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3177
3178        /**
3179         * Last time during the day it is okay to kill processes
3180         * or reboot the device due to low memory situations.  This number is
3181         * in seconds since midnight.
3182         * @hide
3183         */
3184        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3185
3186        /**
3187         * How long the screen must have been off in order to kill processes
3188         * or reboot.  This number is in seconds.  A value of -1 means to
3189         * entirely disregard whether the screen is on.
3190         * @hide
3191         */
3192        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3193
3194        /**
3195         * How much time there must be until the next alarm in order to kill processes
3196         * or reboot.  This number is in seconds.  Note: this value must be
3197         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3198         * always see an alarm scheduled within its time.
3199         * @hide
3200         */
3201        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3202
3203        /**
3204         * How frequently to check whether it is a good time to restart things,
3205         * if the device is in a bad state.  This number is in seconds.  Note:
3206         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3207         * the alarm to schedule the recheck will always appear within the
3208         * minimum "do not execute now" time.
3209         * @hide
3210         */
3211        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3212
3213        /**
3214         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3215         * will occur.
3216         * @hide
3217         */
3218        public static final String REBOOT_INTERVAL = "reboot_interval";
3219
3220        /**
3221         * First time during the day it is okay to force a reboot of the
3222         * device (if REBOOT_INTERVAL is set).  This number is
3223         * in seconds since midnight.
3224         * @hide
3225         */
3226        public static final String REBOOT_START_TIME = "reboot_start_time";
3227
3228        /**
3229         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3230         * a reboot can be executed.  If 0, a reboot will always be executed at
3231         * exactly the given time.  Otherwise, it will only be executed if
3232         * the device is idle within the window.
3233         * @hide
3234         */
3235        public static final String REBOOT_WINDOW = "reboot_window";
3236
3237        /**
3238         * Threshold values for the duration and level of a discharge cycle, under
3239         * which we log discharge cycle info.
3240         * @hide
3241         */
3242        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3243                "battery_discharge_duration_threshold";
3244        /** @hide */
3245        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3246
3247        /**
3248         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3249         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3250         * will never display the "Report" button.
3251         * Type: int ( 0 = disallow, 1 = allow )
3252         * @hide
3253         */
3254        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3255
3256        /**
3257         * Nonzero causes Log.wtf() to crash.
3258         * @hide
3259         */
3260        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3261
3262        /**
3263         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3264         * @hide
3265         */
3266        public static final String DROPBOX_AGE_SECONDS =
3267                "dropbox_age_seconds";
3268        /**
3269         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3270         * @hide
3271         */
3272        public static final String DROPBOX_MAX_FILES =
3273                "dropbox_max_files";
3274        /**
3275         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3276         * @hide
3277         */
3278        public static final String DROPBOX_QUOTA_KB =
3279                "dropbox_quota_kb";
3280        /**
3281         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3282         * @hide
3283         */
3284        public static final String DROPBOX_QUOTA_PERCENT =
3285                "dropbox_quota_percent";
3286        /**
3287         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3288         * @hide
3289         */
3290        public static final String DROPBOX_RESERVE_PERCENT =
3291                "dropbox_reserve_percent";
3292        /**
3293         * Prefix for per-tag dropbox disable/enable settings.
3294         * @hide
3295         */
3296        public static final String DROPBOX_TAG_PREFIX =
3297                "dropbox:";
3298        /**
3299         * Lines of logcat to include with system crash/ANR/etc. reports,
3300         * as a prefix of the dropbox tag of the report type.
3301         * For example, "logcat_for_system_server_anr" controls the lines
3302         * of logcat captured with system server ANR reports.  0 to disable.
3303         * @hide
3304         */
3305        public static final String ERROR_LOGCAT_PREFIX =
3306                "logcat_for_";
3307
3308
3309        /**
3310         * Screen timeout in milliseconds corresponding to the
3311         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3312         * possible screen timeout behavior.)
3313         * @hide
3314         */
3315        public static final String SHORT_KEYLIGHT_DELAY_MS =
3316                "short_keylight_delay_ms";
3317
3318        /**
3319         * The interval in minutes after which the amount of free storage left on the
3320         * device is logged to the event log
3321         * @hide
3322         */
3323        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3324                "sys_free_storage_log_interval";
3325
3326        /**
3327         * Threshold for the amount of change in disk free space required to report the amount of
3328         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3329         * frequently.
3330         * @hide
3331         */
3332        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3333                "disk_free_change_reporting_threshold";
3334
3335
3336        /**
3337         * Minimum percentage of free storage on the device that is used to determine if
3338         * the device is running low on storage.  The default is 10.
3339         * <p>Say this value is set to 10, the device is considered running low on storage
3340         * if 90% or more of the device storage is filled up.
3341         * @hide
3342         */
3343        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3344                "sys_storage_threshold_percentage";
3345
3346        /**
3347         * Maximum byte size of the low storage threshold.  This is to ensure
3348         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3349         * an overly large threshold for large storage devices.  Currently this
3350         * must be less than 2GB.  This default is 500MB.
3351         * @hide
3352         */
3353        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3354                "sys_storage_threshold_max_bytes";
3355
3356        /**
3357         * Minimum bytes of free storage on the device before the data
3358         * partition is considered full. By default, 1 MB is reserved
3359         * to avoid system-wide SQLite disk full exceptions.
3360         * @hide
3361         */
3362        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3363                "sys_storage_full_threshold_bytes";
3364
3365        /**
3366         * The interval in milliseconds after which Wi-Fi is considered idle.
3367         * When idle, it is possible for the device to be switched from Wi-Fi to
3368         * the mobile data network.
3369         * @hide
3370         */
3371        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3372
3373        /**
3374         * The interval in milliseconds to issue wake up scans when wifi needs
3375         * to connect. This is necessary to connect to an access point when
3376         * device is on the move and the screen is off.
3377         * @hide
3378         */
3379        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3380                "wifi_framework_scan_interval_ms";
3381
3382        /**
3383         * The interval in milliseconds to scan as used by the wifi supplicant
3384         * @hide
3385         */
3386        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3387                "wifi_supplicant_scan_interval_ms";
3388
3389        /**
3390         * The interval in milliseconds at which to check packet counts on the
3391         * mobile data interface when screen is on, to detect possible data
3392         * connection problems.
3393         * @hide
3394         */
3395        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3396                "pdp_watchdog_poll_interval_ms";
3397
3398        /**
3399         * The interval in milliseconds at which to check packet counts on the
3400         * mobile data interface when screen is off, to detect possible data
3401         * connection problems.
3402         * @hide
3403         */
3404        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3405                "pdp_watchdog_long_poll_interval_ms";
3406
3407        /**
3408         * The interval in milliseconds at which to check packet counts on the
3409         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3410         * outgoing packets has been reached without incoming packets.
3411         * @hide
3412         */
3413        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3414                "pdp_watchdog_error_poll_interval_ms";
3415
3416        /**
3417         * The number of outgoing packets sent without seeing an incoming packet
3418         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3419         * device is logged to the event log
3420         * @hide
3421         */
3422        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3423                "pdp_watchdog_trigger_packet_count";
3424
3425        /**
3426         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3427         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3428         * attempting data connection recovery.
3429         * @hide
3430         */
3431        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3432                "pdp_watchdog_error_poll_count";
3433
3434        /**
3435         * The number of failed PDP reset attempts before moving to something more
3436         * drastic: re-registering to the network.
3437         * @hide
3438         */
3439        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3440                "pdp_watchdog_max_pdp_reset_fail_count";
3441
3442        /**
3443         * The interval in milliseconds at which to check gprs registration
3444         * after the first registration mismatch of gprs and voice service,
3445         * to detect possible data network registration problems.
3446         *
3447         * @hide
3448         */
3449        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3450                "gprs_register_check_period_ms";
3451
3452        /**
3453         * The length of time in milli-seconds that automatic small adjustments to
3454         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3455         * @hide
3456         */
3457        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3458
3459        /**
3460         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3461         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3462         * exceeded.
3463         * @hide
3464         */
3465        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3466
3467        /**
3468         * The maximum reconnect delay for short network outages or when the network is suspended
3469         * due to phone use.
3470         * @hide
3471         */
3472        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3473                "sync_max_retry_delay_in_seconds";
3474
3475        /**
3476         * The interval in milliseconds at which to check the number of SMS sent
3477         * out without asking for use permit, to limit the un-authorized SMS
3478         * usage.
3479         * @hide
3480         */
3481        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3482                "sms_outgoing_check_interval_ms";
3483
3484        /**
3485         * The number of outgoing SMS sent without asking for user permit
3486         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3487         * @hide
3488         */
3489        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3490                "sms_outgoing_check_max_count";
3491
3492        /**
3493         * The number of promoted sources in GlobalSearch.
3494         * @hide
3495         */
3496        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3497        /**
3498         * The maximum number of suggestions returned by GlobalSearch.
3499         * @hide
3500         */
3501        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3502        /**
3503         * The number of suggestions GlobalSearch will ask each non-web search source for.
3504         * @hide
3505         */
3506        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3507        /**
3508         * The number of suggestions the GlobalSearch will ask the web search source for.
3509         * @hide
3510         */
3511        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3512                "search_web_results_override_limit";
3513        /**
3514         * The number of milliseconds that GlobalSearch will wait for suggestions from
3515         * promoted sources before continuing with all other sources.
3516         * @hide
3517         */
3518        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3519                "search_promoted_source_deadline_millis";
3520        /**
3521         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3522         * @hide
3523         */
3524        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3525        /**
3526         * The maximum number of milliseconds that GlobalSearch shows the previous results
3527         * after receiving a new query.
3528         * @hide
3529         */
3530        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3531        /**
3532         * The maximum age of log data used for shortcuts in GlobalSearch.
3533         * @hide
3534         */
3535        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3536        /**
3537         * The maximum age of log data used for source ranking in GlobalSearch.
3538         * @hide
3539         */
3540        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3541                "search_max_source_event_age_millis";
3542        /**
3543         * The minimum number of impressions needed to rank a source in GlobalSearch.
3544         * @hide
3545         */
3546        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3547                "search_min_impressions_for_source_ranking";
3548        /**
3549         * The minimum number of clicks needed to rank a source in GlobalSearch.
3550         * @hide
3551         */
3552        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3553                "search_min_clicks_for_source_ranking";
3554        /**
3555         * The maximum number of shortcuts shown by GlobalSearch.
3556         * @hide
3557         */
3558        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3559        /**
3560         * The size of the core thread pool for suggestion queries in GlobalSearch.
3561         * @hide
3562         */
3563        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3564                "search_query_thread_core_pool_size";
3565        /**
3566         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3567         * @hide
3568         */
3569        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3570                "search_query_thread_max_pool_size";
3571        /**
3572         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3573         * @hide
3574         */
3575        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3576                "search_shortcut_refresh_core_pool_size";
3577        /**
3578         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3579         * @hide
3580         */
3581        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3582                "search_shortcut_refresh_max_pool_size";
3583        /**
3584         * The maximun time that excess threads in the GlobalSeach thread pools will
3585         * wait before terminating.
3586         * @hide
3587         */
3588        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3589                "search_thread_keepalive_seconds";
3590        /**
3591         * The maximum number of concurrent suggestion queries to each source.
3592         * @hide
3593         */
3594        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3595                "search_per_source_concurrent_query_limit";
3596
3597        /**
3598         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3599         * @hide
3600         */
3601        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3602
3603        /**
3604         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3605         * @hide
3606         */
3607        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3608
3609        /**
3610         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3611         * @hide
3612         */
3613        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3614
3615        /**
3616         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3617         * @hide
3618         */
3619        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3620
3621        /**
3622         * If nonzero, ANRs in invisible background processes bring up a dialog.
3623         * Otherwise, the process will be silently killed.
3624         * @hide
3625         */
3626        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3627
3628        /**
3629         * The {@link ComponentName} string of the service to be used as the voice recognition
3630         * service.
3631         *
3632         * @hide
3633         */
3634        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3635
3636        /**
3637         * What happens when the user presses the Power button while in-call
3638         * and the screen is on.<br/>
3639         * <b>Values:</b><br/>
3640         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3641         * 2 - The Power button hangs up the current call.<br/>
3642         *
3643         * @hide
3644         */
3645        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3646
3647        /**
3648         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3649         * @hide
3650         */
3651        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3652
3653        /**
3654         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3655         * @hide
3656         */
3657        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3658
3659        /**
3660         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3661         * @hide
3662         */
3663        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3664                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3665
3666        /**
3667         * The current night mode that has been selected by the user.  Owned
3668         * and controlled by UiModeManagerService.  Constants are as per
3669         * UiModeManager.
3670         * @hide
3671         */
3672        public static final String UI_NIGHT_MODE = "ui_night_mode";
3673
3674        /**
3675         * Let user pick default install location.
3676         * @hide
3677         */
3678        public static final String SET_INSTALL_LOCATION = "set_install_location";
3679
3680        /**
3681         * Default install location value.
3682         * 0 = auto, let system decide
3683         * 1 = internal
3684         * 2 = sdcard
3685         * @hide
3686         */
3687        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3688
3689        /**
3690         * The bandwidth throttle polling freqency in seconds
3691         * @hide
3692         */
3693        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3694
3695        /**
3696         * The bandwidth throttle threshold (long)
3697         * @hide
3698         */
3699        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3700
3701        /**
3702         * The bandwidth throttle value (kbps)
3703         * @hide
3704         */
3705        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3706
3707        /**
3708         * The bandwidth throttle reset calendar day (1-28)
3709         * @hide
3710         */
3711        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3712
3713        /**
3714         * The throttling notifications we should send
3715         * @hide
3716         */
3717        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3718
3719        /**
3720         * Help URI for data throttling policy
3721         * @hide
3722         */
3723        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3724
3725        /**
3726         * The length of time in Sec that we allow our notion of NTP time
3727         * to be cached before we refresh it
3728         * @hide
3729         */
3730        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3731                "throttle_max_ntp_cache_age_sec";
3732
3733        /**
3734         * The maximum size, in bytes, of a download that the download manager will transfer over
3735         * a non-wifi connection.
3736         * @hide
3737         */
3738        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3739                "download_manager_max_bytes_over_mobile";
3740
3741        /**
3742         * The recommended maximum size, in bytes, of a download that the download manager should
3743         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3744         * have the option to start the download over the mobile connection anyway.
3745         * @hide
3746         */
3747        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3748                "download_manager_recommended_max_bytes_over_mobile";
3749
3750        /**
3751         * ms during which to consume extra events related to Inet connection condition
3752         * after a transtion to fully-connected
3753         * @hide
3754         */
3755        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3756                "inet_condition_debounce_up_delay";
3757
3758        /**
3759         * ms during which to consume extra events related to Inet connection condtion
3760         * after a transtion to partly-connected
3761         * @hide
3762         */
3763        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3764                "inet_condition_debounce_down_delay";
3765
3766        /**
3767         * URL to open browser on to allow user to manage a prepay account
3768         * @hide
3769         */
3770        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
3771                "setup_prepaid_data_service_url";
3772
3773        /**
3774         * URL to attempt a GET on to see if this is a prepay device
3775         * @hide
3776         */
3777        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
3778                "setup_prepaid_detection_target_url";
3779
3780        /**
3781         * Host to check for a redirect to after an attempt to GET
3782         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
3783         * this is a prepaid device with zero balance.)
3784         * @hide
3785         */
3786        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
3787                "setup_prepaid_detection_redir_host";
3788
3789        /**
3790         * The user's preferred "dream" (interactive screensaver) component.
3791         *
3792         * This component will be launched by the PhoneWindowManager after the user's chosen idle
3793         * timeout (specified by {@link #DREAM_TIMEOUT}).
3794         * @hide
3795         */
3796        public static final String DREAM_COMPONENT =
3797                "dream_component";
3798
3799        /**
3800         * The delay before a "dream" is started (set to 0 to disable).
3801         * @hide
3802         */
3803        public static final String DREAM_TIMEOUT =
3804                "dream_timeout";
3805
3806        /** {@hide} */
3807        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
3808        /** {@hide} */
3809        public static final String NETSTATS_PERSIST_THRESHOLD = "netstats_persist_threshold";
3810        /** {@hide} */
3811        public static final String NETSTATS_NETWORK_BUCKET_DURATION = "netstats_network_bucket_duration";
3812        /** {@hide} */
3813        public static final String NETSTATS_NETWORK_MAX_HISTORY = "netstats_network_max_history";
3814        /** {@hide} */
3815        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
3816        /** {@hide} */
3817        public static final String NETSTATS_UID_MAX_HISTORY = "netstats_uid_max_history";
3818        /** {@hide} */
3819        public static final String NETSTATS_TAG_MAX_HISTORY = "netstats_tag_max_history";
3820
3821        /**
3822         * @hide
3823         */
3824        public static final String[] SETTINGS_TO_BACKUP = {
3825            ADB_ENABLED,
3826            ALLOW_MOCK_LOCATION,
3827            PARENTAL_CONTROL_ENABLED,
3828            PARENTAL_CONTROL_REDIRECT_URL,
3829            USB_MASS_STORAGE_ENABLED,
3830            ACCESSIBILITY_ENABLED,
3831            ACCESSIBILITY_SCRIPT_INJECTION,
3832            BACKUP_AUTO_RESTORE,
3833            ENABLED_ACCESSIBILITY_SERVICES,
3834            TTS_USE_DEFAULTS,
3835            TTS_DEFAULT_RATE,
3836            TTS_DEFAULT_PITCH,
3837            TTS_DEFAULT_SYNTH,
3838            TTS_DEFAULT_LANG,
3839            TTS_DEFAULT_COUNTRY,
3840            TTS_ENABLED_PLUGINS,
3841            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3842            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3843            WIFI_NUM_OPEN_NETWORKS_KEPT,
3844            MOUNT_PLAY_NOTIFICATION_SND,
3845            MOUNT_UMS_AUTOSTART,
3846            MOUNT_UMS_PROMPT,
3847            MOUNT_UMS_NOTIFY_ENABLED,
3848            UI_NIGHT_MODE
3849        };
3850
3851        /**
3852         * Helper method for determining if a location provider is enabled.
3853         * @param cr the content resolver to use
3854         * @param provider the location provider to query
3855         * @return true if the provider is enabled
3856         */
3857        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3858            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3859            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3860        }
3861
3862        /**
3863         * Thread-safe method for enabling or disabling a single location provider.
3864         * @param cr the content resolver to use
3865         * @param provider the location provider to enable or disable
3866         * @param enabled true if the provider should be enabled
3867         */
3868        public static final void setLocationProviderEnabled(ContentResolver cr,
3869                String provider, boolean enabled) {
3870            // to ensure thread safety, we write the provider name with a '+' or '-'
3871            // and let the SettingsProvider handle it rather than reading and modifying
3872            // the list of enabled providers.
3873            if (enabled) {
3874                provider = "+" + provider;
3875            } else {
3876                provider = "-" + provider;
3877            }
3878            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3879        }
3880    }
3881
3882    /**
3883     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3884     * Intent URL, allowing it to be either a web page or a particular
3885     * application activity.
3886     *
3887     * @hide
3888     */
3889    public static final class Bookmarks implements BaseColumns
3890    {
3891        private static final String TAG = "Bookmarks";
3892
3893        /**
3894         * The content:// style URL for this table
3895         */
3896        public static final Uri CONTENT_URI =
3897            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3898
3899        /**
3900         * The row ID.
3901         * <p>Type: INTEGER</p>
3902         */
3903        public static final String ID = "_id";
3904
3905        /**
3906         * Descriptive name of the bookmark that can be displayed to the user.
3907         * If this is empty, the title should be resolved at display time (use
3908         * {@link #getTitle(Context, Cursor)} any time you want to display the
3909         * title of a bookmark.)
3910         * <P>
3911         * Type: TEXT
3912         * </P>
3913         */
3914        public static final String TITLE = "title";
3915
3916        /**
3917         * Arbitrary string (displayed to the user) that allows bookmarks to be
3918         * organized into categories.  There are some special names for
3919         * standard folders, which all start with '@'.  The label displayed for
3920         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3921         * the folder name does not change so you can consistently query for
3922         * the folder regardless of the current locale.
3923         *
3924         * <P>Type: TEXT</P>
3925         *
3926         */
3927        public static final String FOLDER = "folder";
3928
3929        /**
3930         * The Intent URL of the bookmark, describing what it points to.  This
3931         * value is given to {@link android.content.Intent#getIntent} to create
3932         * an Intent that can be launched.
3933         * <P>Type: TEXT</P>
3934         */
3935        public static final String INTENT = "intent";
3936
3937        /**
3938         * Optional shortcut character associated with this bookmark.
3939         * <P>Type: INTEGER</P>
3940         */
3941        public static final String SHORTCUT = "shortcut";
3942
3943        /**
3944         * The order in which the bookmark should be displayed
3945         * <P>Type: INTEGER</P>
3946         */
3947        public static final String ORDERING = "ordering";
3948
3949        private static final String[] sIntentProjection = { INTENT };
3950        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3951        private static final String sShortcutSelection = SHORTCUT + "=?";
3952
3953        /**
3954         * Convenience function to retrieve the bookmarked Intent for a
3955         * particular shortcut key.
3956         *
3957         * @param cr The ContentResolver to query.
3958         * @param shortcut The shortcut key.
3959         *
3960         * @return Intent The bookmarked URL, or null if there is no bookmark
3961         *         matching the given shortcut.
3962         */
3963        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3964        {
3965            Intent intent = null;
3966
3967            Cursor c = cr.query(CONTENT_URI,
3968                    sIntentProjection, sShortcutSelection,
3969                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3970            // Keep trying until we find a valid shortcut
3971            try {
3972                while (intent == null && c.moveToNext()) {
3973                    try {
3974                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3975                        intent = Intent.parseUri(intentURI, 0);
3976                    } catch (java.net.URISyntaxException e) {
3977                        // The stored URL is bad...  ignore it.
3978                    } catch (IllegalArgumentException e) {
3979                        // Column not found
3980                        Log.w(TAG, "Intent column not found", e);
3981                    }
3982                }
3983            } finally {
3984                if (c != null) c.close();
3985            }
3986
3987            return intent;
3988        }
3989
3990        /**
3991         * Add a new bookmark to the system.
3992         *
3993         * @param cr The ContentResolver to query.
3994         * @param intent The desired target of the bookmark.
3995         * @param title Bookmark title that is shown to the user; null if none
3996         *            or it should be resolved to the intent's title.
3997         * @param folder Folder in which to place the bookmark; null if none.
3998         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3999         *            this is non-zero and there is an existing bookmark entry
4000         *            with this same shortcut, then that existing shortcut is
4001         *            cleared (the bookmark is not removed).
4002         * @return The unique content URL for the new bookmark entry.
4003         */
4004        public static Uri add(ContentResolver cr,
4005                                           Intent intent,
4006                                           String title,
4007                                           String folder,
4008                                           char shortcut,
4009                                           int ordering)
4010        {
4011            // If a shortcut is supplied, and it is already defined for
4012            // another bookmark, then remove the old definition.
4013            if (shortcut != 0) {
4014                cr.delete(CONTENT_URI, sShortcutSelection,
4015                        new String[] { String.valueOf((int) shortcut) });
4016            }
4017
4018            ContentValues values = new ContentValues();
4019            if (title != null) values.put(TITLE, title);
4020            if (folder != null) values.put(FOLDER, folder);
4021            values.put(INTENT, intent.toUri(0));
4022            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4023            values.put(ORDERING, ordering);
4024            return cr.insert(CONTENT_URI, values);
4025        }
4026
4027        /**
4028         * Return the folder name as it should be displayed to the user.  This
4029         * takes care of localizing special folders.
4030         *
4031         * @param r Resources object for current locale; only need access to
4032         *          system resources.
4033         * @param folder The value found in the {@link #FOLDER} column.
4034         *
4035         * @return CharSequence The label for this folder that should be shown
4036         *         to the user.
4037         */
4038        public static CharSequence getLabelForFolder(Resources r, String folder) {
4039            return folder;
4040        }
4041
4042        /**
4043         * Return the title as it should be displayed to the user. This takes
4044         * care of localizing bookmarks that point to activities.
4045         *
4046         * @param context A context.
4047         * @param cursor A cursor pointing to the row whose title should be
4048         *        returned. The cursor must contain at least the {@link #TITLE}
4049         *        and {@link #INTENT} columns.
4050         * @return A title that is localized and can be displayed to the user,
4051         *         or the empty string if one could not be found.
4052         */
4053        public static CharSequence getTitle(Context context, Cursor cursor) {
4054            int titleColumn = cursor.getColumnIndex(TITLE);
4055            int intentColumn = cursor.getColumnIndex(INTENT);
4056            if (titleColumn == -1 || intentColumn == -1) {
4057                throw new IllegalArgumentException(
4058                        "The cursor must contain the TITLE and INTENT columns.");
4059            }
4060
4061            String title = cursor.getString(titleColumn);
4062            if (!TextUtils.isEmpty(title)) {
4063                return title;
4064            }
4065
4066            String intentUri = cursor.getString(intentColumn);
4067            if (TextUtils.isEmpty(intentUri)) {
4068                return "";
4069            }
4070
4071            Intent intent;
4072            try {
4073                intent = Intent.parseUri(intentUri, 0);
4074            } catch (URISyntaxException e) {
4075                return "";
4076            }
4077
4078            PackageManager packageManager = context.getPackageManager();
4079            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4080            return info != null ? info.loadLabel(packageManager) : "";
4081        }
4082    }
4083
4084    /**
4085     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4086     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4087     * from the GoogleLoginService.
4088     *
4089     * @param androidId The Android ID for this device.
4090     * @return The device ID that should be used when connecting to the mobile gtalk server.
4091     * @hide
4092     */
4093    public static String getGTalkDeviceId(long androidId) {
4094        return "android-" + Long.toHexString(androidId);
4095    }
4096}
4097