Settings.java revision 434203a277cd2f237a71508a3d5a7d1602126cd5
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.Config;
45import android.util.Log;
46
47import java.net.URISyntaxException;
48import java.util.HashMap;
49import java.util.HashSet;
50
51
52/**
53 * The Settings provider contains global system-level device preferences.
54 */
55public final class Settings {
56
57    // Intent actions for Settings
58
59    /**
60     * Activity Action: Show system settings.
61     * <p>
62     * Input: Nothing.
63     * <p>
64     * Output: nothing.
65     */
66    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
67    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
68
69    /**
70     * Activity Action: Show settings to allow configuration of APNs.
71     * <p>
72     * Input: Nothing.
73     * <p>
74     * Output: nothing.
75     */
76    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
77    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
78
79    /**
80     * Activity Action: Show settings to allow configuration of current location
81     * sources.
82     * <p>
83     * In some cases, a matching Activity may not exist, so ensure you
84     * safeguard against this.
85     * <p>
86     * Input: Nothing.
87     * <p>
88     * Output: Nothing.
89     */
90    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
91    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
92            "android.settings.LOCATION_SOURCE_SETTINGS";
93
94    /**
95     * Activity Action: Show settings to allow configuration of wireless controls
96     * such as Wi-Fi, Bluetooth and Mobile networks.
97     * <p>
98     * In some cases, a matching Activity may not exist, so ensure you
99     * safeguard against this.
100     * <p>
101     * Input: Nothing.
102     * <p>
103     * Output: Nothing.
104     */
105    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
106    public static final String ACTION_WIRELESS_SETTINGS =
107            "android.settings.WIRELESS_SETTINGS";
108
109    /**
110     * Activity Action: Show settings to allow entering/exiting airplane mode.
111     * <p>
112     * In some cases, a matching Activity may not exist, so ensure you
113     * safeguard against this.
114     * <p>
115     * Input: Nothing.
116     * <p>
117     * Output: Nothing.
118     */
119    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
120    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
121            "android.settings.AIRPLANE_MODE_SETTINGS";
122
123    /**
124     * Activity Action: Show settings for accessibility modules.
125     * <p>
126     * In some cases, a matching Activity may not exist, so ensure you
127     * safeguard against this.
128     * <p>
129     * Input: Nothing.
130     * <p>
131     * Output: Nothing.
132     */
133    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
134    public static final String ACTION_ACCESSIBILITY_SETTINGS =
135            "android.settings.ACCESSIBILITY_SETTINGS";
136
137    /**
138     * Activity Action: Show settings to allow configuration of security and
139     * location privacy.
140     * <p>
141     * In some cases, a matching Activity may not exist, so ensure you
142     * safeguard against this.
143     * <p>
144     * Input: Nothing.
145     * <p>
146     * Output: Nothing.
147     */
148    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
149    public static final String ACTION_SECURITY_SETTINGS =
150            "android.settings.SECURITY_SETTINGS";
151
152    /**
153     * Activity Action: Show settings to allow configuration of privacy options.
154     * <p>
155     * In some cases, a matching Activity may not exist, so ensure you
156     * safeguard against this.
157     * <p>
158     * Input: Nothing.
159     * <p>
160     * Output: Nothing.
161     */
162    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
163    public static final String ACTION_PRIVACY_SETTINGS =
164            "android.settings.PRIVACY_SETTINGS";
165
166    /**
167     * Activity Action: Show settings to allow configuration of Wi-Fi.
168
169     * <p>
170     * In some cases, a matching Activity may not exist, so ensure you
171     * safeguard against this.
172     * <p>
173     * Input: Nothing.
174     * <p>
175     * Output: Nothing.
176
177     */
178    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
179    public static final String ACTION_WIFI_SETTINGS =
180            "android.settings.WIFI_SETTINGS";
181
182    /**
183     * Activity Action: Show settings to allow configuration of a static IP
184     * address for Wi-Fi.
185     * <p>
186     * In some cases, a matching Activity may not exist, so ensure you safeguard
187     * against this.
188     * <p>
189     * Input: Nothing.
190     * <p>
191     * Output: Nothing.
192     */
193    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
194    public static final String ACTION_WIFI_IP_SETTINGS =
195            "android.settings.WIFI_IP_SETTINGS";
196
197    /**
198     * Activity Action: Show settings to allow configuration of Bluetooth.
199     * <p>
200     * In some cases, a matching Activity may not exist, so ensure you
201     * safeguard against this.
202     * <p>
203     * Input: Nothing.
204     * <p>
205     * Output: Nothing.
206     */
207    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
208    public static final String ACTION_BLUETOOTH_SETTINGS =
209            "android.settings.BLUETOOTH_SETTINGS";
210
211    /**
212     * Activity Action: Show settings to allow configuration of date and time.
213     * <p>
214     * In some cases, a matching Activity may not exist, so ensure you
215     * safeguard against this.
216     * <p>
217     * Input: Nothing.
218     * <p>
219     * Output: Nothing.
220     */
221    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
222    public static final String ACTION_DATE_SETTINGS =
223            "android.settings.DATE_SETTINGS";
224
225    /**
226     * Activity Action: Show settings to allow configuration of sound and volume.
227     * <p>
228     * In some cases, a matching Activity may not exist, so ensure you
229     * safeguard against this.
230     * <p>
231     * Input: Nothing.
232     * <p>
233     * Output: Nothing.
234     */
235    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
236    public static final String ACTION_SOUND_SETTINGS =
237            "android.settings.SOUND_SETTINGS";
238
239    /**
240     * Activity Action: Show settings to allow configuration of display.
241     * <p>
242     * In some cases, a matching Activity may not exist, so ensure you
243     * safeguard against this.
244     * <p>
245     * Input: Nothing.
246     * <p>
247     * Output: Nothing.
248     */
249    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
250    public static final String ACTION_DISPLAY_SETTINGS =
251            "android.settings.DISPLAY_SETTINGS";
252
253    /**
254     * Activity Action: Show settings to allow configuration of locale.
255     * <p>
256     * In some cases, a matching Activity may not exist, so ensure you
257     * safeguard against this.
258     * <p>
259     * Input: Nothing.
260     * <p>
261     * Output: Nothing.
262     */
263    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
264    public static final String ACTION_LOCALE_SETTINGS =
265            "android.settings.LOCALE_SETTINGS";
266
267    /**
268     * Activity Action: Show settings to configure input methods, in particular
269     * allowing the user to enable input methods.
270     * <p>
271     * In some cases, a matching Activity may not exist, so ensure you
272     * safeguard against this.
273     * <p>
274     * Input: Nothing.
275     * <p>
276     * Output: Nothing.
277     */
278    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
279    public static final String ACTION_INPUT_METHOD_SETTINGS =
280            "android.settings.INPUT_METHOD_SETTINGS";
281
282    /**
283     * Activity Action: Show enabler activity to enable/disable input methods and subtypes.
284     * <p>
285     * In some cases, a matching Activity may not exist, so ensure you
286     * safeguard against this.
287     * <p>
288     * Input: Nothing.
289     * <p>
290     * Output: Nothing.
291     */
292    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
293    public static final String ACTION_INPUT_METHOD_AND_SUBTYPE_ENABLER =
294            "android.settings.INPUT_METHOD_AND_SUBTYPE_ENABLER";
295
296    /**
297     * Activity Action: Show settings to manage the user input dictionary.
298     * <p>
299     * In some cases, a matching Activity may not exist, so ensure you
300     * safeguard against this.
301     * <p>
302     * Input: Nothing.
303     * <p>
304     * Output: Nothing.
305     */
306    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
307    public static final String ACTION_USER_DICTIONARY_SETTINGS =
308            "android.settings.USER_DICTIONARY_SETTINGS";
309
310    /**
311     * Activity Action: Show settings to allow configuration of application-related settings.
312     * <p>
313     * In some cases, a matching Activity may not exist, so ensure you
314     * safeguard against this.
315     * <p>
316     * Input: Nothing.
317     * <p>
318     * Output: Nothing.
319     */
320    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
321    public static final String ACTION_APPLICATION_SETTINGS =
322            "android.settings.APPLICATION_SETTINGS";
323
324    /**
325     * Activity Action: Show settings to allow configuration of application
326     * development-related settings.
327     * <p>
328     * In some cases, a matching Activity may not exist, so ensure you safeguard
329     * against this.
330     * <p>
331     * Input: Nothing.
332     * <p>
333     * Output: Nothing.
334     */
335    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
336    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
337            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
338
339    /**
340     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
341     * <p>
342     * In some cases, a matching Activity may not exist, so ensure you
343     * safeguard against this.
344     * <p>
345     * Input: Nothing.
346     * <p>
347     * Output: Nothing.
348     */
349    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
350    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
351            "android.settings.QUICK_LAUNCH_SETTINGS";
352
353    /**
354     * Activity Action: Show settings to manage installed applications.
355     * <p>
356     * In some cases, a matching Activity may not exist, so ensure you
357     * safeguard against this.
358     * <p>
359     * Input: Nothing.
360     * <p>
361     * Output: Nothing.
362     */
363    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
364    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
365            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
366
367    /**
368     * Activity Action: Show settings to manage all applications.
369     * <p>
370     * In some cases, a matching Activity may not exist, so ensure you
371     * safeguard against this.
372     * <p>
373     * Input: Nothing.
374     * <p>
375     * Output: Nothing.
376     */
377    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
378    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
379            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
380
381    /**
382     * Activity Action: Show screen of details about a particular application.
383     * <p>
384     * In some cases, a matching Activity may not exist, so ensure you
385     * safeguard against this.
386     * <p>
387     * Input: The Intent's data URI specifies the application package name
388     * to be shown, with the "package" scheme.  That is "package:com.my.app".
389     * <p>
390     * Output: Nothing.
391     */
392    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
393    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
394            "android.settings.APPLICATION_DETAILS_SETTINGS";
395
396    /**
397     * Activity Action: Show settings for system update functionality.
398     * <p>
399     * In some cases, a matching Activity may not exist, so ensure you
400     * safeguard against this.
401     * <p>
402     * Input: Nothing.
403     * <p>
404     * Output: Nothing.
405     *
406     * @hide
407     */
408    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
409    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
410            "android.settings.SYSTEM_UPDATE_SETTINGS";
411
412    /**
413     * Activity Action: Show settings to allow configuration of sync settings.
414     * <p>
415     * In some cases, a matching Activity may not exist, so ensure you
416     * safeguard against this.
417     * <p>
418     * The account types available to add via the add account button may be restricted by adding an
419     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
420     * authorities. Only account types which can sync with that content provider will be offered to
421     * the user.
422     * <p>
423     * Input: Nothing.
424     * <p>
425     * Output: Nothing.
426     */
427    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
428    public static final String ACTION_SYNC_SETTINGS =
429            "android.settings.SYNC_SETTINGS";
430
431    /**
432     * Activity Action: Show add account screen for creating a new account.
433     * <p>
434     * In some cases, a matching Activity may not exist, so ensure you
435     * safeguard against this.
436     * <p>
437     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
438     * extra to the Intent with one or more syncable content provider's authorities.  Only account
439     * types which can sync with that content provider will be offered to the user.
440     * <p>
441     * Input: Nothing.
442     * <p>
443     * Output: Nothing.
444     */
445    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
446    public static final String ACTION_ADD_ACCOUNT =
447            "android.settings.ADD_ACCOUNT_SETTINGS";
448
449    /**
450     * Activity Action: Show settings for selecting the network operator.
451     * <p>
452     * In some cases, a matching Activity may not exist, so ensure you
453     * safeguard against this.
454     * <p>
455     * Input: Nothing.
456     * <p>
457     * Output: Nothing.
458     */
459    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
460    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
461            "android.settings.NETWORK_OPERATOR_SETTINGS";
462
463    /**
464     * Activity Action: Show settings for selection of 2G/3G.
465     * <p>
466     * In some cases, a matching Activity may not exist, so ensure you
467     * safeguard against this.
468     * <p>
469     * Input: Nothing.
470     * <p>
471     * Output: Nothing.
472     */
473    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
474    public static final String ACTION_DATA_ROAMING_SETTINGS =
475            "android.settings.DATA_ROAMING_SETTINGS";
476
477    /**
478     * Activity Action: Show settings for internal storage.
479     * <p>
480     * In some cases, a matching Activity may not exist, so ensure you
481     * safeguard against this.
482     * <p>
483     * Input: Nothing.
484     * <p>
485     * Output: Nothing.
486     */
487    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
488    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
489            "android.settings.INTERNAL_STORAGE_SETTINGS";
490    /**
491     * Activity Action: Show settings for memory card storage.
492     * <p>
493     * In some cases, a matching Activity may not exist, so ensure you
494     * safeguard against this.
495     * <p>
496     * Input: Nothing.
497     * <p>
498     * Output: Nothing.
499     */
500    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
501    public static final String ACTION_MEMORY_CARD_SETTINGS =
502            "android.settings.MEMORY_CARD_SETTINGS";
503
504    /**
505     * Activity Action: Show settings for global search.
506     * <p>
507     * In some cases, a matching Activity may not exist, so ensure you
508     * safeguard against this.
509     * <p>
510     * Input: Nothing.
511     * <p>
512     * Output: Nothing
513     */
514    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
515    public static final String ACTION_SEARCH_SETTINGS =
516        "android.search.action.SEARCH_SETTINGS";
517
518    /**
519     * Activity Action: Show general device information settings (serial
520     * number, software version, phone number, etc.).
521     * <p>
522     * In some cases, a matching Activity may not exist, so ensure you
523     * safeguard against this.
524     * <p>
525     * Input: Nothing.
526     * <p>
527     * Output: Nothing
528     */
529    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
530    public static final String ACTION_DEVICE_INFO_SETTINGS =
531        "android.settings.DEVICE_INFO_SETTINGS";
532
533    // End of Intent actions for Settings
534
535    /**
536     * @hide - Private call() method on SettingsProvider to read from 'system' table.
537     */
538    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
539
540    /**
541     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
542     */
543    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
544
545    /**
546     * Activity Extra: Limit available options in launched activity based on the given authority.
547     * <p>
548     * This can be passed as an extra field in an Activity Intent with one or more syncable content
549     * provider's authorities as a String[]. This field is used by some intents to alter the
550     * behavior of the called activity.
551     * <p>
552     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
553     * on the authority given.
554     */
555    public static final String EXTRA_AUTHORITIES =
556            "authorities";
557
558    private static final String JID_RESOURCE_PREFIX = "android";
559
560    public static final String AUTHORITY = "settings";
561
562    private static final String TAG = "Settings";
563    private static final boolean LOCAL_LOGV = Config.LOGV || false;
564
565    public static class SettingNotFoundException extends AndroidException {
566        public SettingNotFoundException(String msg) {
567            super(msg);
568        }
569    }
570
571    /**
572     * Common base for tables of name/value settings.
573     */
574    public static class NameValueTable implements BaseColumns {
575        public static final String NAME = "name";
576        public static final String VALUE = "value";
577
578        protected static boolean putString(ContentResolver resolver, Uri uri,
579                String name, String value) {
580            // The database will take care of replacing duplicates.
581            try {
582                ContentValues values = new ContentValues();
583                values.put(NAME, name);
584                values.put(VALUE, value);
585                resolver.insert(uri, values);
586                return true;
587            } catch (SQLException e) {
588                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
589                return false;
590            }
591        }
592
593        public static Uri getUriFor(Uri uri, String name) {
594            return Uri.withAppendedPath(uri, name);
595        }
596    }
597
598    // Thread-safe.
599    private static class NameValueCache {
600        private final String mVersionSystemProperty;
601        private final Uri mUri;
602
603        private static final String[] SELECT_VALUE =
604            new String[] { Settings.NameValueTable.VALUE };
605        private static final String NAME_EQ_PLACEHOLDER = "name=?";
606
607        // Must synchronize on 'this' to access mValues and mValuesVersion.
608        private final HashMap<String, String> mValues = new HashMap<String, String>();
609        private long mValuesVersion = 0;
610
611        // Initially null; set lazily and held forever.  Synchronized on 'this'.
612        private IContentProvider mContentProvider = null;
613
614        // The method we'll call (or null, to not use) on the provider
615        // for the fast path of retrieving settings.
616        private final String mCallCommand;
617
618        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
619            mVersionSystemProperty = versionSystemProperty;
620            mUri = uri;
621            mCallCommand = callCommand;
622        }
623
624        public String getString(ContentResolver cr, String name) {
625            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
626
627            synchronized (this) {
628                if (mValuesVersion != newValuesVersion) {
629                    if (LOCAL_LOGV) {
630                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
631                                newValuesVersion + " != cached " + mValuesVersion);
632                    }
633
634                    mValues.clear();
635                    mValuesVersion = newValuesVersion;
636                }
637
638                if (mValues.containsKey(name)) {
639                    return mValues.get(name);  // Could be null, that's OK -- negative caching
640                }
641            }
642
643            IContentProvider cp = null;
644            synchronized (this) {
645                cp = mContentProvider;
646                if (cp == null) {
647                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
648                }
649            }
650
651            // Try the fast path first, not using query().  If this
652            // fails (alternate Settings provider that doesn't support
653            // this interface?) then we fall back to the query/table
654            // interface.
655            if (mCallCommand != null) {
656                try {
657                    Bundle b = cp.call(mCallCommand, name, null);
658                    if (b != null) {
659                        String value = b.getPairValue();
660                        synchronized (this) {
661                            mValues.put(name, value);
662                        }
663                        return value;
664                    }
665                    // If the response Bundle is null, we fall through
666                    // to the query interface below.
667                } catch (RemoteException e) {
668                    // Not supported by the remote side?  Fall through
669                    // to query().
670                }
671            }
672
673            Cursor c = null;
674            try {
675                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
676                             new String[]{name}, null);
677                if (c == null) {
678                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
679                    return null;
680                }
681
682                String value = c.moveToNext() ? c.getString(0) : null;
683                synchronized (this) {
684                    mValues.put(name, value);
685                }
686                if (LOCAL_LOGV) {
687                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
688                            name + " = " + (value == null ? "(null)" : value));
689                }
690                return value;
691            } catch (RemoteException e) {
692                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
693                return null;  // Return null, but don't cache it.
694            } finally {
695                if (c != null) c.close();
696            }
697        }
698    }
699
700    /**
701     * System settings, containing miscellaneous system preferences.  This
702     * table holds simple name/value pairs.  There are convenience
703     * functions for accessing individual settings entries.
704     */
705    public static final class System extends NameValueTable {
706        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
707
708        // Populated lazily, guarded by class object:
709        private static NameValueCache sNameValueCache = null;
710
711        private static final HashSet<String> MOVED_TO_SECURE;
712        static {
713            MOVED_TO_SECURE = new HashSet<String>(30);
714            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
715            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
716            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
717            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
718            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
719            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
720            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
721            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
722            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
723            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
724            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
725            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
726            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
727            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
728            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
729            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
730            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
731            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
732            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
733            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
734            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
735            MOVED_TO_SECURE.add(Secure.WIFI_ON);
736            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
737            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
738            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
739            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
740            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
741            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
742            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
743            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
744            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
745            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
746            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
747        }
748
749        /**
750         * Look up a name in the database.
751         * @param resolver to access the database with
752         * @param name to look up in the table
753         * @return the corresponding value, or null if not present
754         */
755        public synchronized static String getString(ContentResolver resolver, String name) {
756            if (MOVED_TO_SECURE.contains(name)) {
757                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
758                        + " to android.provider.Settings.Secure, returning read-only value.");
759                return Secure.getString(resolver, name);
760            }
761            if (sNameValueCache == null) {
762                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
763                                                     CALL_METHOD_GET_SYSTEM);
764            }
765            return sNameValueCache.getString(resolver, name);
766        }
767
768        /**
769         * Store a name/value pair into the database.
770         * @param resolver to access the database with
771         * @param name to store
772         * @param value to associate with the name
773         * @return true if the value was set, false on database errors
774         */
775        public static boolean putString(ContentResolver resolver, String name, String value) {
776            if (MOVED_TO_SECURE.contains(name)) {
777                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
778                        + " to android.provider.Settings.Secure, value is unchanged.");
779                return false;
780            }
781            return putString(resolver, CONTENT_URI, name, value);
782        }
783
784        /**
785         * Construct the content URI for a particular name/value pair,
786         * useful for monitoring changes with a ContentObserver.
787         * @param name to look up in the table
788         * @return the corresponding content URI, or null if not present
789         */
790        public static Uri getUriFor(String name) {
791            if (MOVED_TO_SECURE.contains(name)) {
792                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
793                    + " to android.provider.Settings.Secure, returning Secure URI.");
794                return Secure.getUriFor(Secure.CONTENT_URI, name);
795            }
796            return getUriFor(CONTENT_URI, name);
797        }
798
799        /**
800         * Convenience function for retrieving a single system settings value
801         * as an integer.  Note that internally setting values are always
802         * stored as strings; this function converts the string to an integer
803         * for you.  The default value will be returned if the setting is
804         * not defined or not an integer.
805         *
806         * @param cr The ContentResolver to access.
807         * @param name The name of the setting to retrieve.
808         * @param def Value to return if the setting is not defined.
809         *
810         * @return The setting's current value, or 'def' if it is not defined
811         * or not a valid integer.
812         */
813        public static int getInt(ContentResolver cr, String name, int def) {
814            String v = getString(cr, name);
815            try {
816                return v != null ? Integer.parseInt(v) : def;
817            } catch (NumberFormatException e) {
818                return def;
819            }
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.
827         * <p>
828         * This version does not take a default value.  If the setting has not
829         * been set, or the string value is not a number,
830         * it throws {@link SettingNotFoundException}.
831         *
832         * @param cr The ContentResolver to access.
833         * @param name The name of the setting to retrieve.
834         *
835         * @throws SettingNotFoundException Thrown if a setting by the given
836         * name can't be found or the setting value is not an integer.
837         *
838         * @return The setting's current value.
839         */
840        public static int getInt(ContentResolver cr, String name)
841                throws SettingNotFoundException {
842            String v = getString(cr, name);
843            try {
844                return Integer.parseInt(v);
845            } catch (NumberFormatException e) {
846                throw new SettingNotFoundException(name);
847            }
848        }
849
850        /**
851         * Convenience function for updating a single settings value as an
852         * integer. This will either create a new entry in the table if the
853         * given name does not exist, or modify the value of the existing row
854         * with that name.  Note that internally setting values are always
855         * stored as strings, so this function converts the given value to a
856         * string before storing it.
857         *
858         * @param cr The ContentResolver to access.
859         * @param name The name of the setting to modify.
860         * @param value The new value for the setting.
861         * @return true if the value was set, false on database errors
862         */
863        public static boolean putInt(ContentResolver cr, String name, int value) {
864            return putString(cr, name, Integer.toString(value));
865        }
866
867        /**
868         * Convenience function for retrieving a single system settings value
869         * as a {@code long}.  Note that internally setting values are always
870         * stored as strings; this function converts the string to a {@code long}
871         * for you.  The default value will be returned if the setting is
872         * not defined or not a {@code long}.
873         *
874         * @param cr The ContentResolver to access.
875         * @param name The name of the setting to retrieve.
876         * @param def Value to return if the setting is not defined.
877         *
878         * @return The setting's current value, or 'def' if it is not defined
879         * or not a valid {@code long}.
880         */
881        public static long getLong(ContentResolver cr, String name, long def) {
882            String valString = getString(cr, name);
883            long value;
884            try {
885                value = valString != null ? Long.parseLong(valString) : def;
886            } catch (NumberFormatException e) {
887                value = def;
888            }
889            return value;
890        }
891
892        /**
893         * Convenience function for retrieving a single system settings value
894         * as a {@code long}.  Note that internally setting values are always
895         * stored as strings; this function converts the string to a {@code long}
896         * for you.
897         * <p>
898         * This version does not take a default value.  If the setting has not
899         * been set, or the string value is not a number,
900         * it throws {@link SettingNotFoundException}.
901         *
902         * @param cr The ContentResolver to access.
903         * @param name The name of the setting to retrieve.
904         *
905         * @return The setting's current value.
906         * @throws SettingNotFoundException Thrown if a setting by the given
907         * name can't be found or the setting value is not an integer.
908         */
909        public static long getLong(ContentResolver cr, String name)
910                throws SettingNotFoundException {
911            String valString = getString(cr, name);
912            try {
913                return Long.parseLong(valString);
914            } catch (NumberFormatException e) {
915                throw new SettingNotFoundException(name);
916            }
917        }
918
919        /**
920         * Convenience function for updating a single settings value as a long
921         * integer. This will either create a new entry in the table if the
922         * given name does not exist, or modify the value of the existing row
923         * with that name.  Note that internally setting values are always
924         * stored as strings, so this function converts the given value to a
925         * string before storing it.
926         *
927         * @param cr The ContentResolver to access.
928         * @param name The name of the setting to modify.
929         * @param value The new value for the setting.
930         * @return true if the value was set, false on database errors
931         */
932        public static boolean putLong(ContentResolver cr, String name, long value) {
933            return putString(cr, name, Long.toString(value));
934        }
935
936        /**
937         * Convenience function for retrieving a single system settings value
938         * as a floating point number.  Note that internally setting values are
939         * always stored as strings; this function converts the string to an
940         * float for you. The default value will be returned if the setting
941         * is not defined or not a valid float.
942         *
943         * @param cr The ContentResolver to access.
944         * @param name The name of the setting to retrieve.
945         * @param def Value to return if the setting is not defined.
946         *
947         * @return The setting's current value, or 'def' if it is not defined
948         * or not a valid float.
949         */
950        public static float getFloat(ContentResolver cr, String name, float def) {
951            String v = getString(cr, name);
952            try {
953                return v != null ? Float.parseFloat(v) : def;
954            } catch (NumberFormatException e) {
955                return def;
956            }
957        }
958
959        /**
960         * Convenience function for retrieving a single system settings value
961         * as a float.  Note that internally setting values are always
962         * stored as strings; this function converts the string to a float
963         * for you.
964         * <p>
965         * This version does not take a default value.  If the setting has not
966         * been set, or the string value is not a number,
967         * it throws {@link SettingNotFoundException}.
968         *
969         * @param cr The ContentResolver to access.
970         * @param name The name of the setting to retrieve.
971         *
972         * @throws SettingNotFoundException Thrown if a setting by the given
973         * name can't be found or the setting value is not a float.
974         *
975         * @return The setting's current value.
976         */
977        public static float getFloat(ContentResolver cr, String name)
978                throws SettingNotFoundException {
979            String v = getString(cr, name);
980            try {
981                return Float.parseFloat(v);
982            } catch (NumberFormatException e) {
983                throw new SettingNotFoundException(name);
984            }
985        }
986
987        /**
988         * Convenience function for updating a single settings value as a
989         * floating point number. This will either create a new entry in the
990         * table if the given name does not exist, or modify the value of the
991         * existing row with that name.  Note that internally setting values
992         * are always stored as strings, so this function converts the given
993         * value to a string before storing it.
994         *
995         * @param cr The ContentResolver to access.
996         * @param name The name of the setting to modify.
997         * @param value The new value for the setting.
998         * @return true if the value was set, false on database errors
999         */
1000        public static boolean putFloat(ContentResolver cr, String name, float value) {
1001            return putString(cr, name, Float.toString(value));
1002        }
1003
1004        /**
1005         * Convenience function to read all of the current
1006         * configuration-related settings into a
1007         * {@link Configuration} object.
1008         *
1009         * @param cr The ContentResolver to access.
1010         * @param outConfig Where to place the configuration settings.
1011         */
1012        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1013            outConfig.fontScale = Settings.System.getFloat(
1014                cr, FONT_SCALE, outConfig.fontScale);
1015            if (outConfig.fontScale < 0) {
1016                outConfig.fontScale = 1;
1017            }
1018        }
1019
1020        /**
1021         * Convenience function to write a batch of configuration-related
1022         * settings from a {@link Configuration} object.
1023         *
1024         * @param cr The ContentResolver to access.
1025         * @param config The settings to write.
1026         * @return true if the values were set, false on database errors
1027         */
1028        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1029            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1030        }
1031
1032        /** @hide */
1033        public static boolean hasInterestingConfigurationChanges(int changes) {
1034            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1035        }
1036
1037        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1038            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1039        }
1040
1041        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1042            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1043        }
1044
1045        /**
1046         * The content:// style URL for this table
1047         */
1048        public static final Uri CONTENT_URI =
1049            Uri.parse("content://" + AUTHORITY + "/system");
1050
1051        /**
1052         * Whether we keep the device on while the device is plugged in.
1053         * Supported values are:
1054         * <ul>
1055         * <li>{@code 0} to never stay on while plugged in</li>
1056         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1057         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1058         * </ul>
1059         * These values can be OR-ed together.
1060         */
1061        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1062
1063        /**
1064         * What happens when the user presses the end call button if they're not
1065         * on a call.<br/>
1066         * <b>Values:</b><br/>
1067         * 0 - The end button does nothing.<br/>
1068         * 1 - The end button goes to the home screen.<br/>
1069         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1070         * 3 - The end button goes to the home screen.  If the user is already on the
1071         * home screen, it puts the device to sleep.
1072         */
1073        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1074
1075        /**
1076         * END_BUTTON_BEHAVIOR value for "go home".
1077         * @hide
1078         */
1079        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1080
1081        /**
1082         * END_BUTTON_BEHAVIOR value for "go to sleep".
1083         * @hide
1084         */
1085        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1086
1087        /**
1088         * END_BUTTON_BEHAVIOR default value.
1089         * @hide
1090         */
1091        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1092
1093        /**
1094         * Whether Airplane Mode is on.
1095         */
1096        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1097
1098        /**
1099         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1100         */
1101        public static final String RADIO_BLUETOOTH = "bluetooth";
1102
1103        /**
1104         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1105         */
1106        public static final String RADIO_WIFI = "wifi";
1107
1108        /**
1109         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1110         */
1111        public static final String RADIO_CELL = "cell";
1112
1113        /**
1114         * A comma separated list of radios that need to be disabled when airplane mode
1115         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1116         * included in the comma separated list.
1117         */
1118        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1119
1120        /**
1121         * A comma separated list of radios that should to be disabled when airplane mode
1122         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1123         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1124         * will be turned off when entering airplane mode, but the user will be able to reenable
1125         * Wifi in the Settings app.
1126         *
1127         * {@hide}
1128         */
1129        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1130
1131        /**
1132         * The policy for deciding when Wi-Fi should go to sleep (which will in
1133         * turn switch to using the mobile data as an Internet connection).
1134         * <p>
1135         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1136         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1137         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1138         */
1139        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1140
1141        /**
1142         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1143         * policy, which is to sleep shortly after the turning off
1144         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1145         */
1146        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1147
1148        /**
1149         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1150         * the device is on battery, and never go to sleep when the device is
1151         * plugged in.
1152         */
1153        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1154
1155        /**
1156         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1157         */
1158        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1159
1160        //TODO: deprecate static IP constants
1161        /**
1162         * Whether to use static IP and other static network attributes.
1163         * <p>
1164         * Set to 1 for true and 0 for false.
1165         */
1166        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1167
1168        /**
1169         * The static IP address.
1170         * <p>
1171         * Example: "192.168.1.51"
1172         */
1173        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1174
1175        /**
1176         * If using static IP, the gateway's IP address.
1177         * <p>
1178         * Example: "192.168.1.1"
1179         */
1180        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1181
1182        /**
1183         * If using static IP, the net mask.
1184         * <p>
1185         * Example: "255.255.255.0"
1186         */
1187        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1188
1189        /**
1190         * If using static IP, the primary DNS's IP address.
1191         * <p>
1192         * Example: "192.168.1.1"
1193         */
1194        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1195
1196        /**
1197         * If using static IP, the secondary DNS's IP address.
1198         * <p>
1199         * Example: "192.168.1.2"
1200         */
1201        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1202
1203
1204        /**
1205         * Determines whether remote devices may discover and/or connect to
1206         * this device.
1207         * <P>Type: INT</P>
1208         * 2 -- discoverable and connectable
1209         * 1 -- connectable but not discoverable
1210         * 0 -- neither connectable nor discoverable
1211         */
1212        public static final String BLUETOOTH_DISCOVERABILITY =
1213            "bluetooth_discoverability";
1214
1215        /**
1216         * Bluetooth discoverability timeout.  If this value is nonzero, then
1217         * Bluetooth becomes discoverable for a certain number of seconds,
1218         * after which is becomes simply connectable.  The value is in seconds.
1219         */
1220        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1221            "bluetooth_discoverability_timeout";
1222
1223        /**
1224         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1225         * instead
1226         */
1227        @Deprecated
1228        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1229
1230        /**
1231         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1232         * instead
1233         */
1234        @Deprecated
1235        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1236
1237        /**
1238         * @deprecated Use
1239         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1240         * instead
1241         */
1242        @Deprecated
1243        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1244            "lock_pattern_tactile_feedback_enabled";
1245
1246
1247        /**
1248         * A formatted string of the next alarm that is set, or the empty string
1249         * if there is no alarm set.
1250         */
1251        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1252
1253        /**
1254         * Scaling factor for fonts, float.
1255         */
1256        public static final String FONT_SCALE = "font_scale";
1257
1258        /**
1259         * Name of an application package to be debugged.
1260         */
1261        public static final String DEBUG_APP = "debug_app";
1262
1263        /**
1264         * If 1, when launching DEBUG_APP it will wait for the debugger before
1265         * starting user code.  If 0, it will run normally.
1266         */
1267        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1268
1269        /**
1270         * Whether or not to dim the screen. 0=no  1=yes
1271         */
1272        public static final String DIM_SCREEN = "dim_screen";
1273
1274        /**
1275         * The timeout before the screen turns off.
1276         */
1277        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1278
1279        /**
1280         * If 0, the compatibility mode is off for all applications.
1281         * If 1, older applications run under compatibility mode.
1282         * TODO: remove this settings before code freeze (bug/1907571)
1283         * @hide
1284         */
1285        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1286
1287        /**
1288         * The screen backlight brightness between 0 and 255.
1289         */
1290        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1291
1292        /**
1293         * Control whether to enable automatic brightness mode.
1294         */
1295        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1296
1297        /**
1298         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1299         */
1300        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1301
1302        /**
1303         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1304         */
1305        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1306
1307        /**
1308         * Control whether the process CPU usage meter should be shown.
1309         */
1310        public static final String SHOW_PROCESSES = "show_processes";
1311
1312        /**
1313         * If 1, the activity manager will aggressively finish activities and
1314         * processes as soon as they are no longer needed.  If 0, the normal
1315         * extended lifetime is used.
1316         */
1317        public static final String ALWAYS_FINISH_ACTIVITIES =
1318                "always_finish_activities";
1319
1320
1321        /**
1322         * Ringer mode. This is used internally, changing this value will not
1323         * change the ringer mode. See AudioManager.
1324         */
1325        public static final String MODE_RINGER = "mode_ringer";
1326
1327        /**
1328         * Determines which streams are affected by ringer mode changes. The
1329         * stream type's bit should be set to 1 if it should be muted when going
1330         * into an inaudible ringer mode.
1331         */
1332        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1333
1334         /**
1335          * Determines which streams are affected by mute. The
1336          * stream type's bit should be set to 1 if it should be muted when a mute request
1337          * is received.
1338          */
1339         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1340
1341        /**
1342         * Whether vibrate is on for different events. This is used internally,
1343         * changing this value will not change the vibrate. See AudioManager.
1344         */
1345        public static final String VIBRATE_ON = "vibrate_on";
1346
1347        /**
1348         * Ringer volume. This is used internally, changing this value will not
1349         * change the volume. See AudioManager.
1350         */
1351        public static final String VOLUME_RING = "volume_ring";
1352
1353        /**
1354         * System/notifications volume. This is used internally, changing this
1355         * value will not change the volume. See AudioManager.
1356         */
1357        public static final String VOLUME_SYSTEM = "volume_system";
1358
1359        /**
1360         * Voice call volume. This is used internally, changing this value will
1361         * not change the volume. See AudioManager.
1362         */
1363        public static final String VOLUME_VOICE = "volume_voice";
1364
1365        /**
1366         * Music/media/gaming volume. This is used internally, changing this
1367         * value will not change the volume. See AudioManager.
1368         */
1369        public static final String VOLUME_MUSIC = "volume_music";
1370
1371        /**
1372         * Alarm volume. This is used internally, changing this
1373         * value will not change the volume. See AudioManager.
1374         */
1375        public static final String VOLUME_ALARM = "volume_alarm";
1376
1377        /**
1378         * Notification volume. This is used internally, changing this
1379         * value will not change the volume. See AudioManager.
1380         */
1381        public static final String VOLUME_NOTIFICATION = "volume_notification";
1382
1383        /**
1384         * Bluetooth Headset volume. This is used internally, changing this value will
1385         * not change the volume. See AudioManager.
1386         */
1387        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1388
1389        /**
1390         * Whether the notifications should use the ring volume (value of 1) or
1391         * a separate notification volume (value of 0). In most cases, users
1392         * will have this enabled so the notification and ringer volumes will be
1393         * the same. However, power users can disable this and use the separate
1394         * notification volume control.
1395         * <p>
1396         * Note: This is a one-off setting that will be removed in the future
1397         * when there is profile support. For this reason, it is kept hidden
1398         * from the public APIs.
1399         *
1400         * @hide
1401         */
1402        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1403            "notifications_use_ring_volume";
1404
1405        /**
1406         * Whether silent mode should allow vibration feedback. This is used
1407         * internally in AudioService and the Sound settings activity to
1408         * coordinate decoupling of vibrate and silent modes. This setting
1409         * will likely be removed in a future release with support for
1410         * audio/vibe feedback profiles.
1411         *
1412         * @hide
1413         */
1414        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1415
1416        /**
1417         * The mapping of stream type (integer) to its setting.
1418         */
1419        public static final String[] VOLUME_SETTINGS = {
1420            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1421            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1422        };
1423
1424        /**
1425         * Appended to various volume related settings to record the previous
1426         * values before they the settings were affected by a silent/vibrate
1427         * ringer mode change.
1428         */
1429        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1430
1431        /**
1432         * Persistent store for the system-wide default ringtone URI.
1433         * <p>
1434         * If you need to play the default ringtone at any given time, it is recommended
1435         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1436         * to the set default ringtone at the time of playing.
1437         *
1438         * @see #DEFAULT_RINGTONE_URI
1439         */
1440        public static final String RINGTONE = "ringtone";
1441
1442        /**
1443         * A {@link Uri} that will point to the current default ringtone at any
1444         * given time.
1445         * <p>
1446         * If the current default ringtone is in the DRM provider and the caller
1447         * does not have permission, the exception will be a
1448         * FileNotFoundException.
1449         */
1450        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1451
1452        /**
1453         * Persistent store for the system-wide default notification sound.
1454         *
1455         * @see #RINGTONE
1456         * @see #DEFAULT_NOTIFICATION_URI
1457         */
1458        public static final String NOTIFICATION_SOUND = "notification_sound";
1459
1460        /**
1461         * A {@link Uri} that will point to the current default notification
1462         * sound at any given time.
1463         *
1464         * @see #DEFAULT_RINGTONE_URI
1465         */
1466        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1467
1468        /**
1469         * Persistent store for the system-wide default alarm alert.
1470         *
1471         * @see #RINGTONE
1472         * @see #DEFAULT_ALARM_ALERT_URI
1473         */
1474        public static final String ALARM_ALERT = "alarm_alert";
1475
1476        /**
1477         * A {@link Uri} that will point to the current default alarm alert at
1478         * any given time.
1479         *
1480         * @see #DEFAULT_ALARM_ALERT_URI
1481         */
1482        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1483
1484        /**
1485         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1486         */
1487        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1488
1489        /**
1490         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1491         */
1492        public static final String TEXT_AUTO_CAPS = "auto_caps";
1493
1494        /**
1495         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1496         * feature converts two spaces to a "." and space.
1497         */
1498        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1499
1500        /**
1501         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1502         */
1503        public static final String TEXT_SHOW_PASSWORD = "show_password";
1504
1505        public static final String SHOW_GTALK_SERVICE_STATUS =
1506                "SHOW_GTALK_SERVICE_STATUS";
1507
1508        /**
1509         * Name of activity to use for wallpaper on the home screen.
1510         */
1511        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1512
1513        /**
1514         * Value to specify if the user prefers the date, time and time zone
1515         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1516         */
1517        public static final String AUTO_TIME = "auto_time";
1518
1519        /**
1520         * Value to specify if the user prefers the time zone
1521         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1522         */
1523        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1524
1525        /**
1526         * Display times as 12 or 24 hours
1527         *   12
1528         *   24
1529         */
1530        public static final String TIME_12_24 = "time_12_24";
1531
1532        /**
1533         * Date format string
1534         *   mm/dd/yyyy
1535         *   dd/mm/yyyy
1536         *   yyyy/mm/dd
1537         */
1538        public static final String DATE_FORMAT = "date_format";
1539
1540        /**
1541         * Whether the setup wizard has been run before (on first boot), or if
1542         * it still needs to be run.
1543         *
1544         * nonzero = it has been run in the past
1545         * 0 = it has not been run in the past
1546         */
1547        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1548
1549        /**
1550         * Scaling factor for normal window animations. Setting to 0 will disable window
1551         * animations.
1552         */
1553        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1554
1555        /**
1556         * Scaling factor for activity transition animations. Setting to 0 will disable window
1557         * animations.
1558         */
1559        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1560
1561        /**
1562         * Scaling factor for normal window animations. Setting to 0 will disable window
1563         * animations.
1564         * @hide
1565         */
1566        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1567
1568        /**
1569         * Control whether the accelerometer will be used to change screen
1570         * orientation.  If 0, it will not be used unless explicitly requested
1571         * by the application; if 1, it will be used by default unless explicitly
1572         * disabled by the application.
1573         */
1574        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1575
1576        /**
1577         * Default screen rotation when no other policy applies.
1578         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1579         * preference, this rotation value will be used. Must be one of the
1580         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1581         *
1582         * @see Display#getRotation
1583         */
1584        public static final String USER_ROTATION = "user_rotation";
1585
1586        /**
1587         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1588         * boolean (1 or 0).
1589         */
1590        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1591
1592        /**
1593         * CDMA only settings
1594         * DTMF tone type played by the dialer when dialing.
1595         *                 0 = Normal
1596         *                 1 = Long
1597         * @hide
1598         */
1599        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1600
1601        /**
1602         * CDMA only settings
1603         * Emergency Tone  0 = Off
1604         *                 1 = Alert
1605         *                 2 = Vibrate
1606         * @hide
1607         */
1608        public static final String EMERGENCY_TONE = "emergency_tone";
1609
1610        /**
1611         * CDMA only settings
1612         * Whether the auto retry is enabled. The value is
1613         * boolean (1 or 0).
1614         * @hide
1615         */
1616        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1617
1618        /**
1619         * Whether the hearing aid is enabled. The value is
1620         * boolean (1 or 0).
1621         * @hide
1622         */
1623        public static final String HEARING_AID = "hearing_aid";
1624
1625        /**
1626         * CDMA only settings
1627         * TTY Mode
1628         * 0 = OFF
1629         * 1 = FULL
1630         * 2 = VCO
1631         * 3 = HCO
1632         * @hide
1633         */
1634        public static final String TTY_MODE = "tty_mode";
1635
1636        /**
1637         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1638         * boolean (1 or 0).
1639         */
1640        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1641
1642        /**
1643         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1644         * boolean (1 or 0).
1645         */
1646        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1647
1648        /**
1649         * @deprecated Each application that shows web suggestions should have its own
1650         * setting for this.
1651         */
1652        @Deprecated
1653        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1654
1655        /**
1656         * Whether the notification LED should repeatedly flash when a notification is
1657         * pending. The value is boolean (1 or 0).
1658         * @hide
1659         */
1660        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1661
1662        /**
1663         * Show pointer location on screen?
1664         * 0 = no
1665         * 1 = yes
1666         * @hide
1667         */
1668        public static final String POINTER_LOCATION = "pointer_location";
1669
1670        /**
1671         * Whether to play a sound for low-battery alerts.
1672         * @hide
1673         */
1674        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1675
1676        /**
1677         * Whether to play a sound for dock events.
1678         * @hide
1679         */
1680        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1681
1682        /**
1683         * Whether to play sounds when the keyguard is shown and dismissed.
1684         * @hide
1685         */
1686        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1687
1688        /**
1689         * URI for the low battery sound file.
1690         * @hide
1691         */
1692        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1693
1694        /**
1695         * URI for the desk dock "in" event sound.
1696         * @hide
1697         */
1698        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1699
1700        /**
1701         * URI for the desk dock "out" event sound.
1702         * @hide
1703         */
1704        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1705
1706        /**
1707         * URI for the car dock "in" event sound.
1708         * @hide
1709         */
1710        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1711
1712        /**
1713         * URI for the car dock "out" event sound.
1714         * @hide
1715         */
1716        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1717
1718        /**
1719         * URI for the "device locked" (keyguard shown) sound.
1720         * @hide
1721         */
1722        public static final String LOCK_SOUND = "lock_sound";
1723
1724        /**
1725         * URI for the "device unlocked" (keyguard dismissed) sound.
1726         * @hide
1727         */
1728        public static final String UNLOCK_SOUND = "unlock_sound";
1729
1730        /**
1731         * True if we should appear as a PTP device instead of MTP.
1732         * @hide
1733         */
1734        public static final String USE_PTP_INTERFACE = "use_ptp_interface";
1735
1736        /**
1737         * Receive incoming SIP calls?
1738         * 0 = no
1739         * 1 = yes
1740         * @hide
1741         */
1742        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1743
1744        /**
1745         * Call Preference String.
1746         * "SIP_ALWAYS" : Always use SIP with network access
1747         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1748         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1749         * @hide
1750         */
1751        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1752
1753        /**
1754         * One of the sip call options: Always use SIP with network access.
1755         * @hide
1756         */
1757        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1758
1759        /**
1760         * One of the sip call options: Only if destination is a SIP address.
1761         * @hide
1762         */
1763        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1764
1765        /**
1766         * One of the sip call options: Always ask me each time.
1767         * @hide
1768         */
1769        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1770
1771        /**
1772         * Settings to backup. This is here so that it's in the same place as the settings
1773         * keys and easy to update.
1774         * @hide
1775         */
1776        public static final String[] SETTINGS_TO_BACKUP = {
1777            STAY_ON_WHILE_PLUGGED_IN,
1778            WIFI_SLEEP_POLICY,
1779            WIFI_USE_STATIC_IP,
1780            WIFI_STATIC_IP,
1781            WIFI_STATIC_GATEWAY,
1782            WIFI_STATIC_NETMASK,
1783            WIFI_STATIC_DNS1,
1784            WIFI_STATIC_DNS2,
1785            BLUETOOTH_DISCOVERABILITY,
1786            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1787            DIM_SCREEN,
1788            SCREEN_OFF_TIMEOUT,
1789            SCREEN_BRIGHTNESS,
1790            SCREEN_BRIGHTNESS_MODE,
1791            VIBRATE_ON,
1792            NOTIFICATIONS_USE_RING_VOLUME,
1793            MODE_RINGER,
1794            MODE_RINGER_STREAMS_AFFECTED,
1795            MUTE_STREAMS_AFFECTED,
1796            VOLUME_VOICE,
1797            VOLUME_SYSTEM,
1798            VOLUME_RING,
1799            VOLUME_MUSIC,
1800            VOLUME_ALARM,
1801            VOLUME_NOTIFICATION,
1802            VOLUME_BLUETOOTH_SCO,
1803            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1804            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1805            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1806            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1807            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1808            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1809            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1810            VIBRATE_IN_SILENT,
1811            TEXT_AUTO_REPLACE,
1812            TEXT_AUTO_CAPS,
1813            TEXT_AUTO_PUNCTUATE,
1814            TEXT_SHOW_PASSWORD,
1815            AUTO_TIME,
1816            AUTO_TIME_ZONE,
1817            TIME_12_24,
1818            DATE_FORMAT,
1819            ACCELEROMETER_ROTATION,
1820            USER_ROTATION,
1821            DTMF_TONE_WHEN_DIALING,
1822            DTMF_TONE_TYPE_WHEN_DIALING,
1823            EMERGENCY_TONE,
1824            CALL_AUTO_RETRY,
1825            HEARING_AID,
1826            TTY_MODE,
1827            SOUND_EFFECTS_ENABLED,
1828            HAPTIC_FEEDBACK_ENABLED,
1829            POWER_SOUNDS_ENABLED,
1830            DOCK_SOUNDS_ENABLED,
1831            LOCKSCREEN_SOUNDS_ENABLED,
1832            SHOW_WEB_SUGGESTIONS,
1833            NOTIFICATION_LIGHT_PULSE,
1834            USE_PTP_INTERFACE,
1835            SIP_CALL_OPTIONS,
1836            SIP_RECEIVE_CALLS,
1837        };
1838
1839        // Settings moved to Settings.Secure
1840
1841        /**
1842         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1843         * instead
1844         */
1845        @Deprecated
1846        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1847
1848        /**
1849         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1850         */
1851        @Deprecated
1852        public static final String ANDROID_ID = Secure.ANDROID_ID;
1853
1854        /**
1855         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1856         */
1857        @Deprecated
1858        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1859
1860        /**
1861         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1862         */
1863        @Deprecated
1864        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1865
1866        /**
1867         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1868         */
1869        @Deprecated
1870        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1871
1872        /**
1873         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1874         */
1875        @Deprecated
1876        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1877
1878        /**
1879         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1880         */
1881        @Deprecated
1882        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1883
1884        /**
1885         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1886         * instead
1887         */
1888        @Deprecated
1889        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1890
1891        /**
1892         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1893         */
1894        @Deprecated
1895        public static final String LOGGING_ID = Secure.LOGGING_ID;
1896
1897        /**
1898         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1899         */
1900        @Deprecated
1901        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1902
1903        /**
1904         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1905         * instead
1906         */
1907        @Deprecated
1908        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1909
1910        /**
1911         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1912         * instead
1913         */
1914        @Deprecated
1915        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1916
1917        /**
1918         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1919         * instead
1920         */
1921        @Deprecated
1922        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1923            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1924
1925        /**
1926         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1927         */
1928        @Deprecated
1929        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1930
1931        /**
1932         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1933         */
1934        @Deprecated
1935        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1936
1937        /**
1938         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1939         */
1940        @Deprecated
1941        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1942
1943       /**
1944         * @deprecated Use
1945         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1946         */
1947        @Deprecated
1948        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1949
1950        /**
1951         * @deprecated Use
1952         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1953         */
1954        @Deprecated
1955        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1956                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1957
1958        /**
1959         * @deprecated Use
1960         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1961         */
1962        @Deprecated
1963        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1964            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1965
1966        /**
1967         * @deprecated Use
1968         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1969         */
1970        @Deprecated
1971        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1972            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1973
1974        /**
1975         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1976         * instead
1977         */
1978        @Deprecated
1979        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1980
1981        /**
1982         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1983         */
1984        @Deprecated
1985        public static final String WIFI_ON = Secure.WIFI_ON;
1986
1987        /**
1988         * @deprecated Use
1989         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1990         * instead
1991         */
1992        @Deprecated
1993        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1994                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1995
1996        /**
1997         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1998         */
1999        @Deprecated
2000        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2001
2002        /**
2003         * @deprecated Use
2004         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2005         */
2006        @Deprecated
2007        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2008                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2009
2010        /**
2011         * @deprecated Use
2012         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2013         */
2014        @Deprecated
2015        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2016                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2017
2018        /**
2019         * @deprecated Use
2020         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2021         * instead
2022         */
2023        @Deprecated
2024        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2025                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2026
2027        /**
2028         * @deprecated Use
2029         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2030         */
2031        @Deprecated
2032        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2033            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2034
2035        /**
2036         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2037         * instead
2038         */
2039        @Deprecated
2040        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2041
2042        /**
2043         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2044         */
2045        @Deprecated
2046        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2047
2048        /**
2049         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2050         */
2051        @Deprecated
2052        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2053
2054        /**
2055         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2056         * instead
2057         */
2058        @Deprecated
2059        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2060
2061        /**
2062         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2063         * instead
2064         */
2065        @Deprecated
2066        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2067            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2068    }
2069
2070    /**
2071     * Secure system settings, containing system preferences that applications
2072     * can read but are not allowed to write.  These are for preferences that
2073     * the user must explicitly modify through the system UI or specialized
2074     * APIs for those values, not modified directly by applications.
2075     */
2076    public static final class Secure extends NameValueTable {
2077        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2078
2079        // Populated lazily, guarded by class object:
2080        private static NameValueCache sNameValueCache = null;
2081
2082        /**
2083         * Look up a name in the database.
2084         * @param resolver to access the database with
2085         * @param name to look up in the table
2086         * @return the corresponding value, or null if not present
2087         */
2088        public synchronized static String getString(ContentResolver resolver, String name) {
2089            if (sNameValueCache == null) {
2090                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2091                                                     CALL_METHOD_GET_SECURE);
2092            }
2093            return sNameValueCache.getString(resolver, name);
2094        }
2095
2096        /**
2097         * Store a name/value pair into the database.
2098         * @param resolver to access the database with
2099         * @param name to store
2100         * @param value to associate with the name
2101         * @return true if the value was set, false on database errors
2102         */
2103        public static boolean putString(ContentResolver resolver,
2104                String name, String value) {
2105            return putString(resolver, CONTENT_URI, name, value);
2106        }
2107
2108        /**
2109         * Construct the content URI for a particular name/value pair,
2110         * useful for monitoring changes with a ContentObserver.
2111         * @param name to look up in the table
2112         * @return the corresponding content URI, or null if not present
2113         */
2114        public static Uri getUriFor(String name) {
2115            return getUriFor(CONTENT_URI, name);
2116        }
2117
2118        /**
2119         * Convenience function for retrieving a single secure settings value
2120         * as an integer.  Note that internally setting values are always
2121         * stored as strings; this function converts the string to an integer
2122         * for you.  The default value will be returned if the setting is
2123         * not defined or not an integer.
2124         *
2125         * @param cr The ContentResolver to access.
2126         * @param name The name of the setting to retrieve.
2127         * @param def Value to return if the setting is not defined.
2128         *
2129         * @return The setting's current value, or 'def' if it is not defined
2130         * or not a valid integer.
2131         */
2132        public static int getInt(ContentResolver cr, String name, int def) {
2133            String v = getString(cr, name);
2134            try {
2135                return v != null ? Integer.parseInt(v) : def;
2136            } catch (NumberFormatException e) {
2137                return def;
2138            }
2139        }
2140
2141        /**
2142         * Convenience function for retrieving a single secure settings value
2143         * as an integer.  Note that internally setting values are always
2144         * stored as strings; this function converts the string to an integer
2145         * for you.
2146         * <p>
2147         * This version does not take a default value.  If the setting has not
2148         * been set, or the string value is not a number,
2149         * it throws {@link SettingNotFoundException}.
2150         *
2151         * @param cr The ContentResolver to access.
2152         * @param name The name of the setting to retrieve.
2153         *
2154         * @throws SettingNotFoundException Thrown if a setting by the given
2155         * name can't be found or the setting value is not an integer.
2156         *
2157         * @return The setting's current value.
2158         */
2159        public static int getInt(ContentResolver cr, String name)
2160                throws SettingNotFoundException {
2161            String v = getString(cr, name);
2162            try {
2163                return Integer.parseInt(v);
2164            } catch (NumberFormatException e) {
2165                throw new SettingNotFoundException(name);
2166            }
2167        }
2168
2169        /**
2170         * Convenience function for updating a single settings value as an
2171         * integer. This will either create a new entry in the table if the
2172         * given name does not exist, or modify the value of the existing row
2173         * with that name.  Note that internally setting values are always
2174         * stored as strings, so this function converts the given value to a
2175         * string before storing it.
2176         *
2177         * @param cr The ContentResolver to access.
2178         * @param name The name of the setting to modify.
2179         * @param value The new value for the setting.
2180         * @return true if the value was set, false on database errors
2181         */
2182        public static boolean putInt(ContentResolver cr, String name, int value) {
2183            return putString(cr, name, Integer.toString(value));
2184        }
2185
2186        /**
2187         * Convenience function for retrieving a single secure settings value
2188         * as a {@code long}.  Note that internally setting values are always
2189         * stored as strings; this function converts the string to a {@code long}
2190         * for you.  The default value will be returned if the setting is
2191         * not defined or not a {@code long}.
2192         *
2193         * @param cr The ContentResolver to access.
2194         * @param name The name of the setting to retrieve.
2195         * @param def Value to return if the setting is not defined.
2196         *
2197         * @return The setting's current value, or 'def' if it is not defined
2198         * or not a valid {@code long}.
2199         */
2200        public static long getLong(ContentResolver cr, String name, long def) {
2201            String valString = getString(cr, name);
2202            long value;
2203            try {
2204                value = valString != null ? Long.parseLong(valString) : def;
2205            } catch (NumberFormatException e) {
2206                value = def;
2207            }
2208            return value;
2209        }
2210
2211        /**
2212         * Convenience function for retrieving a single secure settings value
2213         * as a {@code long}.  Note that internally setting values are always
2214         * stored as strings; this function converts the string to a {@code long}
2215         * for you.
2216         * <p>
2217         * This version does not take a default value.  If the setting has not
2218         * been set, or the string value is not a number,
2219         * it throws {@link SettingNotFoundException}.
2220         *
2221         * @param cr The ContentResolver to access.
2222         * @param name The name of the setting to retrieve.
2223         *
2224         * @return The setting's current value.
2225         * @throws SettingNotFoundException Thrown if a setting by the given
2226         * name can't be found or the setting value is not an integer.
2227         */
2228        public static long getLong(ContentResolver cr, String name)
2229                throws SettingNotFoundException {
2230            String valString = getString(cr, name);
2231            try {
2232                return Long.parseLong(valString);
2233            } catch (NumberFormatException e) {
2234                throw new SettingNotFoundException(name);
2235            }
2236        }
2237
2238        /**
2239         * Convenience function for updating a secure settings value as a long
2240         * integer. This will either create a new entry in the table if the
2241         * given name does not exist, or modify the value of the existing row
2242         * with that name.  Note that internally setting values are always
2243         * stored as strings, so this function converts the given value to a
2244         * string before storing it.
2245         *
2246         * @param cr The ContentResolver to access.
2247         * @param name The name of the setting to modify.
2248         * @param value The new value for the setting.
2249         * @return true if the value was set, false on database errors
2250         */
2251        public static boolean putLong(ContentResolver cr, String name, long value) {
2252            return putString(cr, name, Long.toString(value));
2253        }
2254
2255        /**
2256         * Convenience function for retrieving a single secure settings value
2257         * as a floating point number.  Note that internally setting values are
2258         * always stored as strings; this function converts the string to an
2259         * float for you. The default value will be returned if the setting
2260         * is not defined or not a valid float.
2261         *
2262         * @param cr The ContentResolver to access.
2263         * @param name The name of the setting to retrieve.
2264         * @param def Value to return if the setting is not defined.
2265         *
2266         * @return The setting's current value, or 'def' if it is not defined
2267         * or not a valid float.
2268         */
2269        public static float getFloat(ContentResolver cr, String name, float def) {
2270            String v = getString(cr, name);
2271            try {
2272                return v != null ? Float.parseFloat(v) : def;
2273            } catch (NumberFormatException e) {
2274                return def;
2275            }
2276        }
2277
2278        /**
2279         * Convenience function for retrieving a single secure settings value
2280         * as a float.  Note that internally setting values are always
2281         * stored as strings; this function converts the string to a float
2282         * for you.
2283         * <p>
2284         * This version does not take a default value.  If the setting has not
2285         * been set, or the string value is not a number,
2286         * it throws {@link SettingNotFoundException}.
2287         *
2288         * @param cr The ContentResolver to access.
2289         * @param name The name of the setting to retrieve.
2290         *
2291         * @throws SettingNotFoundException Thrown if a setting by the given
2292         * name can't be found or the setting value is not a float.
2293         *
2294         * @return The setting's current value.
2295         */
2296        public static float getFloat(ContentResolver cr, String name)
2297                throws SettingNotFoundException {
2298            String v = getString(cr, name);
2299            try {
2300                return Float.parseFloat(v);
2301            } catch (NumberFormatException e) {
2302                throw new SettingNotFoundException(name);
2303            }
2304        }
2305
2306        /**
2307         * Convenience function for updating a single settings value as a
2308         * floating point number. This will either create a new entry in the
2309         * table if the given name does not exist, or modify the value of the
2310         * existing row with that name.  Note that internally setting values
2311         * are always stored as strings, so this function converts the given
2312         * value to a string before storing it.
2313         *
2314         * @param cr The ContentResolver to access.
2315         * @param name The name of the setting to modify.
2316         * @param value The new value for the setting.
2317         * @return true if the value was set, false on database errors
2318         */
2319        public static boolean putFloat(ContentResolver cr, String name, float value) {
2320            return putString(cr, name, Float.toString(value));
2321        }
2322
2323        /**
2324         * The content:// style URL for this table
2325         */
2326        public static final Uri CONTENT_URI =
2327            Uri.parse("content://" + AUTHORITY + "/secure");
2328
2329        /**
2330         * Whether ADB is enabled.
2331         */
2332        public static final String ADB_ENABLED = "adb_enabled";
2333
2334        /**
2335         * Setting to allow mock locations and location provider status to be injected into the
2336         * LocationManager service for testing purposes during application development.  These
2337         * locations and status values  override actual location and status information generated
2338         * by network, gps, or other location providers.
2339         */
2340        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2341
2342        /**
2343         * A 64-bit number (as a hex string) that is randomly
2344         * generated on the device's first boot and should remain
2345         * constant for the lifetime of the device.  (The value may
2346         * change if a factory reset is performed on the device.)
2347         */
2348        public static final String ANDROID_ID = "android_id";
2349
2350        /**
2351         * Whether bluetooth is enabled/disabled
2352         * 0=disabled. 1=enabled.
2353         */
2354        public static final String BLUETOOTH_ON = "bluetooth_on";
2355
2356        /**
2357         * Get the key that retrieves a bluetooth headset's priority.
2358         * @hide
2359         */
2360        public static final String getBluetoothHeadsetPriorityKey(String address) {
2361            return ("bluetooth_headset_priority_" + address.toUpperCase());
2362        }
2363
2364        /**
2365         * Get the key that retrieves a bluetooth a2dp sink's priority.
2366         * @hide
2367         */
2368        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2369            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2370        }
2371
2372        /**
2373         * Get the key that retrieves a bluetooth Input Device's priority.
2374         * @hide
2375         */
2376        public static final String getBluetoothInputDevicePriorityKey(String address) {
2377            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2378        }
2379
2380        /**
2381         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2382         */
2383        public static final String DATA_ROAMING = "data_roaming";
2384
2385        /**
2386         * Setting to record the input method used by default, holding the ID
2387         * of the desired method.
2388         */
2389        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2390
2391        /**
2392         * Setting to record the input method subtype used by default, holding the ID
2393         * of the desired method.
2394         */
2395        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2396                "selected_input_method_subtype";
2397
2398        /**
2399         * Setting to record the history of input method subtype, holding the pair of ID of IME
2400         * and its last used subtype.
2401         * @hide
2402         */
2403        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2404                "input_methods_subtype_history";
2405
2406        /**
2407         * Whether the device has been provisioned (0 = false, 1 = true)
2408         */
2409        public static final String DEVICE_PROVISIONED = "device_provisioned";
2410
2411        /**
2412         * List of input methods that are currently enabled.  This is a string
2413         * containing the IDs of all enabled input methods, each ID separated
2414         * by ':'.
2415         */
2416        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2417
2418        /**
2419         * List of system input methods that are currently disabled.  This is a string
2420         * containing the IDs of all disabled input methods, each ID separated
2421         * by ':'.
2422         * @hide
2423         */
2424        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2425
2426        /**
2427         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2428         * TODO - deprecate in favor of global_http_proxy_host, etc
2429         */
2430        public static final String HTTP_PROXY = "http_proxy";
2431
2432        /**
2433         * Host name for global http proxy.  Set via ConnectivityManager.
2434         * @hide
2435         */
2436        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2437
2438        /**
2439         * Integer host port for global http proxy.  Set via ConnectivityManager.
2440         * @hide
2441         */
2442        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2443
2444        /**
2445         * Exclusion list for global proxy. This string contains a list of comma-separated
2446         * domains where the global proxy does not apply. Domains should be listed in a comma-
2447         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2448         * Use ConnectivityManager to set/get.
2449         * @hide
2450         */
2451        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2452                "global_http_proxy_exclusion_list";
2453
2454        /**
2455         * Enables the UI setting to allow the user to specify the global HTTP proxy
2456         * and associated exclusion list.
2457         * @hide
2458         */
2459        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2460
2461        /**
2462         * Setting for default DNS in case nobody suggests one
2463         * @hide
2464         */
2465        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2466
2467        /**
2468         * Whether the package installer should allow installation of apps downloaded from
2469         * sources other than the Android Market (vending machine).
2470         *
2471         * 1 = allow installing from other sources
2472         * 0 = only allow installing from the Android Market
2473         */
2474        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2475
2476        /**
2477         * Comma-separated list of location providers that activities may access.
2478         */
2479        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2480
2481        /**
2482         * Whether autolock is enabled (0 = false, 1 = true)
2483         */
2484        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2485
2486        /**
2487         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2488         */
2489        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2490
2491        /**
2492         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2493         */
2494        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2495            "lock_pattern_tactile_feedback_enabled";
2496
2497        /**
2498         * This preference allows the device to be locked given time after screen goes off,
2499         * subject to current DeviceAdmin policy limits.
2500         * @hide
2501         */
2502        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2503
2504
2505        /**
2506         * This preference contains the string that shows for owner info on LockScren.
2507         * @hide
2508         */
2509        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2510
2511        /**
2512         * This preference enables showing the owner info on LockScren.
2513         * @hide
2514         */
2515        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2516            "lock_screen_owner_info_enabled";
2517
2518        /**
2519         * Whether assisted GPS should be enabled or not.
2520         * @hide
2521         */
2522        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2523
2524        /**
2525         * The Logging ID (a unique 64-bit value) as a hex string.
2526         * Used as a pseudonymous identifier for logging.
2527         * @deprecated This identifier is poorly initialized and has
2528         * many collisions.  It should not be used.
2529         */
2530        @Deprecated
2531        public static final String LOGGING_ID = "logging_id";
2532
2533        /**
2534         * User preference for which network(s) should be used. Only the
2535         * connectivity service should touch this.
2536         */
2537        public static final String NETWORK_PREFERENCE = "network_preference";
2538
2539        /**
2540         * Used to disable Tethering on a device - defaults to true
2541         * @hide
2542         */
2543        public static final String TETHER_SUPPORTED = "tether_supported";
2544
2545        /**
2546         * Used to require DUN APN on the device or not - defaults to a build config value
2547         * which defaults to false
2548         * @hide
2549         */
2550        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2551
2552        /**
2553         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2554         * corresponding build config values are set it will override the APN DB
2555         * values.
2556         * Consists of a comma seperated list of strings:
2557         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2558         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2559         * @hide
2560         */
2561        public static final String TETHER_DUN_APN = "tether_dun_apn";
2562
2563        /**
2564         * No longer supported.
2565         */
2566        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2567
2568        /**
2569         * No longer supported.
2570         */
2571        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2572
2573        /**
2574         * No longer supported.
2575         */
2576        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2577
2578        /**
2579         * A positive value indicates the frequency of SamplingProfiler
2580         * taking snapshots in hertz. Zero value means SamplingProfiler is disabled.
2581         *
2582         * @hide
2583         */
2584        public static final String SAMPLING_PROFILER_HZ = "sampling_profiler_hz";
2585
2586        /**
2587         * Settings classname to launch when Settings is clicked from All
2588         * Applications.  Needed because of user testing between the old
2589         * and new Settings apps.
2590         */
2591        // TODO: 881807
2592        public static final String SETTINGS_CLASSNAME = "settings_classname";
2593
2594        /**
2595         * USB Mass Storage Enabled
2596         */
2597        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2598
2599        /**
2600         * If this setting is set (to anything), then all references
2601         * to Gmail on the device must change to Google Mail.
2602         */
2603        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2604
2605        /**
2606         * If accessibility is enabled.
2607         */
2608        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2609
2610        /**
2611         * List of the enabled accessibility providers.
2612         */
2613        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2614            "enabled_accessibility_services";
2615
2616        /**
2617         * If injection of accessibility enhancing JavaScript scripts
2618         * is enabled.
2619         * <p>
2620         *   Note: Accessibility injecting scripts are served by the
2621         *   Google infrastructure and enable users with disabilities to
2622         *   efficiantly navigate in and explore web content.
2623         * </p>
2624         * <p>
2625         *   This property represents a boolean value.
2626         * </p>
2627         * @hide
2628         */
2629        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2630            "accessibility_script_injection";
2631
2632        /**
2633         * Key bindings for navigation in built-in accessibility support for web content.
2634         * <p>
2635         *   Note: These key bindings are for the built-in accessibility navigation for
2636         *   web content which is used as a fall back solution if JavaScript in a WebView
2637         *   is not enabled or the user has not opted-in script injection from Google.
2638         * </p>
2639         * <p>
2640         *   The bindings are separated by semi-colon. A binding is a mapping from
2641         *   a key to a sequence of actions (for more details look at
2642         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2643         *   string representation of an integer obtained from a meta state (optional) shifted
2644         *   sixteen times left and bitwise ored with a key code. An action is represented
2645         *   as a hexademical string representation of an integer where the first two digits
2646         *   are navigation action index, the second, the third, and the fourth digit pairs
2647         *   represent the action arguments. The separate actions in a binding are colon
2648         *   separated. The key and the action sequence it maps to are separated by equals.
2649         * </p>
2650         * <p>
2651         *   For example, the binding below maps the DPAD right button to traverse the
2652         *   current navigation axis once without firing an accessibility event and to
2653         *   perform the same traversal again but to fire an event:
2654         *   <code>
2655         *     0x16=0x01000100:0x01000101;
2656         *   </code>
2657         * </p>
2658         * <p>
2659         *   The goal of this binding is to enable dynamic rebinding of keys to
2660         *   navigation actions for web content without requiring a framework change.
2661         * </p>
2662         * <p>
2663         *   This property represents a string value.
2664         * </p>
2665         * @hide
2666         */
2667        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2668            "accessibility_web_content_key_bindings";
2669
2670        /**
2671         * Setting to always use the default text-to-speech settings regardless
2672         * of the application settings.
2673         * 1 = override application settings,
2674         * 0 = use application settings (if specified).
2675         */
2676        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2677
2678        /**
2679         * Default text-to-speech engine speech rate. 100 = 1x
2680         */
2681        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2682
2683        /**
2684         * Default text-to-speech engine pitch. 100 = 1x
2685         */
2686        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2687
2688        /**
2689         * Default text-to-speech engine.
2690         */
2691        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2692
2693        /**
2694         * Default text-to-speech language.
2695         */
2696        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2697
2698        /**
2699         * Default text-to-speech country.
2700         */
2701        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2702
2703        /**
2704         * Default text-to-speech locale variant.
2705         */
2706        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2707
2708        /**
2709         * Space delimited list of plugin packages that are enabled.
2710         */
2711        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2712
2713        /**
2714         * Whether to notify the user of open networks.
2715         * <p>
2716         * If not connected and the scan results have an open network, we will
2717         * put this notification up. If we attempt to connect to a network or
2718         * the open network(s) disappear, we remove the notification. When we
2719         * show the notification, we will not show it again for
2720         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2721         */
2722        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2723                "wifi_networks_available_notification_on";
2724
2725        /**
2726         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2727         * Connecting to a network will reset the timer.
2728         */
2729        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2730                "wifi_networks_available_repeat_delay";
2731
2732        /**
2733         * 802.11 country code in ISO 3166 format
2734         * @hide
2735         */
2736        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2737
2738
2739        /**
2740         * When the number of open networks exceeds this number, the
2741         * least-recently-used excess networks will be removed.
2742         */
2743        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2744
2745        /**
2746         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2747         */
2748        public static final String WIFI_ON = "wifi_on";
2749
2750        /**
2751         * Used to save the Wifi_ON state prior to tethering.
2752         * This state will be checked to restore Wifi after
2753         * the user turns off tethering.
2754         *
2755         * @hide
2756         */
2757        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2758
2759        /**
2760         * AP SSID
2761         *
2762         * @hide
2763         */
2764        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2765
2766        /**
2767         * AP security
2768         *
2769         * @hide
2770         */
2771        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2772
2773        /**
2774         * AP passphrase
2775         *
2776         * @hide
2777         */
2778        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2779
2780        /**
2781         * The acceptable packet loss percentage (range 0 - 100) before trying
2782         * another AP on the same network.
2783         */
2784        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2785                "wifi_watchdog_acceptable_packet_loss_percentage";
2786
2787        /**
2788         * The number of access points required for a network in order for the
2789         * watchdog to monitor it.
2790         */
2791        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2792
2793        /**
2794         * The delay between background checks.
2795         */
2796        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2797                "wifi_watchdog_background_check_delay_ms";
2798
2799        /**
2800         * Whether the Wi-Fi watchdog is enabled for background checking even
2801         * after it thinks the user has connected to a good access point.
2802         */
2803        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2804                "wifi_watchdog_background_check_enabled";
2805
2806        /**
2807         * The timeout for a background ping
2808         */
2809        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2810                "wifi_watchdog_background_check_timeout_ms";
2811
2812        /**
2813         * The number of initial pings to perform that *may* be ignored if they
2814         * fail. Again, if these fail, they will *not* be used in packet loss
2815         * calculation. For example, one network always seemed to time out for
2816         * the first couple pings, so this is set to 3 by default.
2817         */
2818        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2819            "wifi_watchdog_initial_ignored_ping_count";
2820
2821        /**
2822         * The maximum number of access points (per network) to attempt to test.
2823         * If this number is reached, the watchdog will no longer monitor the
2824         * initial connection state for the network. This is a safeguard for
2825         * networks containing multiple APs whose DNS does not respond to pings.
2826         */
2827        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2828
2829        /**
2830         * Whether the Wi-Fi watchdog is enabled.
2831         */
2832        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2833
2834        /**
2835         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2836         */
2837        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2838
2839        /**
2840         * The number of pings to test if an access point is a good connection.
2841         */
2842        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2843
2844        /**
2845         * The delay between pings.
2846         */
2847        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2848
2849        /**
2850         * The timeout per ping.
2851         */
2852        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2853
2854        /**
2855         * The maximum number of times we will retry a connection to an access
2856         * point for which we have failed in acquiring an IP address from DHCP.
2857         * A value of N means that we will make N+1 connection attempts in all.
2858         */
2859        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2860
2861        /**
2862         * The operational wifi frequency band
2863         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
2864         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
2865         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
2866         *
2867         * @hide
2868         */
2869        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
2870
2871        /**
2872         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2873         * data connectivity to be established after a disconnect from Wi-Fi.
2874         */
2875        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2876            "wifi_mobile_data_transition_wakelock_timeout_ms";
2877
2878        /**
2879         * Whether background data usage is allowed by the user. See
2880         * ConnectivityManager for more info.
2881         */
2882        public static final String BACKGROUND_DATA = "background_data";
2883
2884        /**
2885         * Origins for which browsers should allow geolocation by default.
2886         * The value is a space-separated list of origins.
2887         */
2888        public static final String ALLOWED_GEOLOCATION_ORIGINS
2889                = "allowed_geolocation_origins";
2890
2891        /**
2892         * Whether mobile data connections are allowed by the user.  See
2893         * ConnectivityManager for more info.
2894         * @hide
2895         */
2896        public static final String MOBILE_DATA = "mobile_data";
2897
2898        /**
2899         * The CDMA roaming mode 0 = Home Networks, CDMA default
2900         *                       1 = Roaming on Affiliated networks
2901         *                       2 = Roaming on any networks
2902         * @hide
2903         */
2904        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2905
2906        /**
2907         * The CDMA subscription mode 0 = RUIM/SIM (default)
2908         *                                1 = NV
2909         * @hide
2910         */
2911        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2912
2913        /**
2914         * The preferred network mode   7 = Global
2915         *                              6 = EvDo only
2916         *                              5 = CDMA w/o EvDo
2917         *                              4 = CDMA / EvDo auto
2918         *                              3 = GSM / WCDMA auto
2919         *                              2 = WCDMA only
2920         *                              1 = GSM only
2921         *                              0 = GSM / WCDMA preferred
2922         * @hide
2923         */
2924        public static final String PREFERRED_NETWORK_MODE =
2925                "preferred_network_mode";
2926
2927        /**
2928         * The preferred TTY mode     0 = TTy Off, CDMA default
2929         *                            1 = TTY Full
2930         *                            2 = TTY HCO
2931         *                            3 = TTY VCO
2932         * @hide
2933         */
2934        public static final String PREFERRED_TTY_MODE =
2935                "preferred_tty_mode";
2936
2937
2938        /**
2939         * CDMA Cell Broadcast SMS
2940         *                            0 = CDMA Cell Broadcast SMS disabled
2941         *                            1 = CDMA Cell Broadcast SMS enabled
2942         * @hide
2943         */
2944        public static final String CDMA_CELL_BROADCAST_SMS =
2945                "cdma_cell_broadcast_sms";
2946
2947        /**
2948         * The cdma subscription 0 = Subscription from RUIM, when available
2949         *                       1 = Subscription from NV
2950         * @hide
2951         */
2952        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2953                "preferred_cdma_subscription";
2954
2955        /**
2956         * Whether the enhanced voice privacy mode is enabled.
2957         * 0 = normal voice privacy
2958         * 1 = enhanced voice privacy
2959         * @hide
2960         */
2961        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2962
2963        /**
2964         * Whether the TTY mode mode is enabled.
2965         * 0 = disabled
2966         * 1 = enabled
2967         * @hide
2968         */
2969        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2970
2971        /**
2972         * Controls whether settings backup is enabled.
2973         * Type: int ( 0 = disabled, 1 = enabled )
2974         * @hide
2975         */
2976        public static final String BACKUP_ENABLED = "backup_enabled";
2977
2978        /**
2979         * Controls whether application data is automatically restored from backup
2980         * at install time.
2981         * Type: int ( 0 = disabled, 1 = enabled )
2982         * @hide
2983         */
2984        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2985
2986        /**
2987         * Indicates whether settings backup has been fully provisioned.
2988         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2989         * @hide
2990         */
2991        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2992
2993        /**
2994         * Component of the transport to use for backup/restore.
2995         * @hide
2996         */
2997        public static final String BACKUP_TRANSPORT = "backup_transport";
2998
2999        /**
3000         * Version for which the setup wizard was last shown.  Bumped for
3001         * each release when there is new setup information to show.
3002         * @hide
3003         */
3004        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3005
3006        /**
3007         * How frequently (in seconds) to check the memory status of the
3008         * device.
3009         * @hide
3010         */
3011        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3012
3013        /**
3014         * Max frequency (in seconds) to log memory check stats, in realtime
3015         * seconds.  This allows for throttling of logs when the device is
3016         * running for large amounts of time.
3017         * @hide
3018         */
3019        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3020                "memcheck_log_realtime_interval";
3021
3022        /**
3023         * Boolean indicating whether rebooting due to system memory checks
3024         * is enabled.
3025         * @hide
3026         */
3027        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3028
3029        /**
3030         * How many bytes the system process must be below to avoid scheduling
3031         * a soft reboot.  This reboot will happen when it is next determined
3032         * to be a good time.
3033         * @hide
3034         */
3035        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3036
3037        /**
3038         * How many bytes the system process must be below to avoid scheduling
3039         * a hard reboot.  This reboot will happen immediately.
3040         * @hide
3041         */
3042        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3043
3044        /**
3045         * How many bytes the phone process must be below to avoid scheduling
3046         * a soft restart.  This restart will happen when it is next determined
3047         * to be a good time.
3048         * @hide
3049         */
3050        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3051
3052        /**
3053         * How many bytes the phone process must be below to avoid scheduling
3054         * a hard restart.  This restart will happen immediately.
3055         * @hide
3056         */
3057        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3058
3059        /**
3060         * Boolean indicating whether restarting the phone process due to
3061         * memory checks is enabled.
3062         * @hide
3063         */
3064        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3065
3066        /**
3067         * First time during the day it is okay to kill processes
3068         * or reboot the device due to low memory situations.  This number is
3069         * in seconds since midnight.
3070         * @hide
3071         */
3072        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3073
3074        /**
3075         * Last time during the day it is okay to kill processes
3076         * or reboot the device due to low memory situations.  This number is
3077         * in seconds since midnight.
3078         * @hide
3079         */
3080        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3081
3082        /**
3083         * How long the screen must have been off in order to kill processes
3084         * or reboot.  This number is in seconds.  A value of -1 means to
3085         * entirely disregard whether the screen is on.
3086         * @hide
3087         */
3088        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3089
3090        /**
3091         * How much time there must be until the next alarm in order to kill processes
3092         * or reboot.  This number is in seconds.  Note: this value must be
3093         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3094         * always see an alarm scheduled within its time.
3095         * @hide
3096         */
3097        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3098
3099        /**
3100         * How frequently to check whether it is a good time to restart things,
3101         * if the device is in a bad state.  This number is in seconds.  Note:
3102         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3103         * the alarm to schedule the recheck will always appear within the
3104         * minimum "do not execute now" time.
3105         * @hide
3106         */
3107        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3108
3109        /**
3110         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3111         * will occur.
3112         * @hide
3113         */
3114        public static final String REBOOT_INTERVAL = "reboot_interval";
3115
3116        /**
3117         * First time during the day it is okay to force a reboot of the
3118         * device (if REBOOT_INTERVAL is set).  This number is
3119         * in seconds since midnight.
3120         * @hide
3121         */
3122        public static final String REBOOT_START_TIME = "reboot_start_time";
3123
3124        /**
3125         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3126         * a reboot can be executed.  If 0, a reboot will always be executed at
3127         * exactly the given time.  Otherwise, it will only be executed if
3128         * the device is idle within the window.
3129         * @hide
3130         */
3131        public static final String REBOOT_WINDOW = "reboot_window";
3132
3133        /**
3134         * Threshold values for the duration and level of a discharge cycle, under
3135         * which we log discharge cycle info.
3136         * @hide
3137         */
3138        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3139                "battery_discharge_duration_threshold";
3140        /** @hide */
3141        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3142
3143        /**
3144         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3145         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3146         * will never display the "Report" button.
3147         * Type: int ( 0 = disallow, 1 = allow )
3148         * @hide
3149         */
3150        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3151
3152        /**
3153         * Nonzero causes Log.wtf() to crash.
3154         * @hide
3155         */
3156        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3157
3158        /**
3159         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3160         * @hide
3161         */
3162        public static final String DROPBOX_AGE_SECONDS =
3163                "dropbox_age_seconds";
3164        /**
3165         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3166         * @hide
3167         */
3168        public static final String DROPBOX_MAX_FILES =
3169                "dropbox_max_files";
3170        /**
3171         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3172         * @hide
3173         */
3174        public static final String DROPBOX_QUOTA_KB =
3175                "dropbox_quota_kb";
3176        /**
3177         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3178         * @hide
3179         */
3180        public static final String DROPBOX_QUOTA_PERCENT =
3181                "dropbox_quota_percent";
3182        /**
3183         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3184         * @hide
3185         */
3186        public static final String DROPBOX_RESERVE_PERCENT =
3187                "dropbox_reserve_percent";
3188        /**
3189         * Prefix for per-tag dropbox disable/enable settings.
3190         * @hide
3191         */
3192        public static final String DROPBOX_TAG_PREFIX =
3193                "dropbox:";
3194        /**
3195         * Lines of logcat to include with system crash/ANR/etc. reports,
3196         * as a prefix of the dropbox tag of the report type.
3197         * For example, "logcat_for_system_server_anr" controls the lines
3198         * of logcat captured with system server ANR reports.  0 to disable.
3199         * @hide
3200         */
3201        public static final String ERROR_LOGCAT_PREFIX =
3202                "logcat_for_";
3203
3204
3205        /**
3206         * Screen timeout in milliseconds corresponding to the
3207         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3208         * possible screen timeout behavior.)
3209         * @hide
3210         */
3211        public static final String SHORT_KEYLIGHT_DELAY_MS =
3212                "short_keylight_delay_ms";
3213
3214        /**
3215         * The interval in minutes after which the amount of free storage left on the
3216         * device is logged to the event log
3217         * @hide
3218         */
3219        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3220                "sys_free_storage_log_interval";
3221
3222        /**
3223         * Threshold for the amount of change in disk free space required to report the amount of
3224         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3225         * frequently.
3226         * @hide
3227         */
3228        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3229                "disk_free_change_reporting_threshold";
3230
3231
3232        /**
3233         * Minimum percentage of free storage on the device that is used to determine if
3234         * the device is running low on storage.
3235         * Say this value is set to 10, the device is considered running low on storage
3236         * if 90% or more of the device storage is filled up.
3237         * @hide
3238         */
3239        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3240                "sys_storage_threshold_percentage";
3241
3242        /**
3243         * Minimum bytes of free storage on the device before the data
3244         * partition is considered full. By default, 1 MB is reserved
3245         * to avoid system-wide SQLite disk full exceptions.
3246         * @hide
3247         */
3248        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3249                "sys_storage_full_threshold_bytes";
3250
3251        /**
3252         * The interval in milliseconds after which Wi-Fi is considered idle.
3253         * When idle, it is possible for the device to be switched from Wi-Fi to
3254         * the mobile data network.
3255         * @hide
3256         */
3257        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3258
3259        /**
3260         * The interval in milliseconds to issue scans when the driver is
3261         * started. This is necessary to allow wifi to connect to an
3262         * access point when the driver is suspended.
3263         * @hide
3264         */
3265        public static final String WIFI_SCAN_INTERVAL_MS = "wifi_scan_interval_ms";
3266
3267        /**
3268         * The interval in milliseconds at which to check packet counts on the
3269         * mobile data interface when screen is on, to detect possible data
3270         * connection problems.
3271         * @hide
3272         */
3273        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3274                "pdp_watchdog_poll_interval_ms";
3275
3276        /**
3277         * The interval in milliseconds at which to check packet counts on the
3278         * mobile data interface when screen is off, to detect possible data
3279         * connection problems.
3280         * @hide
3281         */
3282        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3283                "pdp_watchdog_long_poll_interval_ms";
3284
3285        /**
3286         * The interval in milliseconds at which to check packet counts on the
3287         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3288         * outgoing packets has been reached without incoming packets.
3289         * @hide
3290         */
3291        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3292                "pdp_watchdog_error_poll_interval_ms";
3293
3294        /**
3295         * The number of outgoing packets sent without seeing an incoming packet
3296         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3297         * device is logged to the event log
3298         * @hide
3299         */
3300        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3301                "pdp_watchdog_trigger_packet_count";
3302
3303        /**
3304         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3305         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3306         * attempting data connection recovery.
3307         * @hide
3308         */
3309        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3310                "pdp_watchdog_error_poll_count";
3311
3312        /**
3313         * The number of failed PDP reset attempts before moving to something more
3314         * drastic: re-registering to the network.
3315         * @hide
3316         */
3317        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3318                "pdp_watchdog_max_pdp_reset_fail_count";
3319
3320        /**
3321         * Address to ping as a last sanity check before attempting any recovery.
3322         * Unset or set to "0.0.0.0" to skip this check.
3323         * @hide
3324         */
3325        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3326
3327        /**
3328         * The "-w deadline" parameter for the ping, ie, the max time in
3329         * seconds to spend pinging.
3330         * @hide
3331         */
3332        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3333
3334        /**
3335         * The interval in milliseconds at which to check gprs registration
3336         * after the first registration mismatch of gprs and voice service,
3337         * to detect possible data network registration problems.
3338         *
3339         * @hide
3340         */
3341        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3342                "gprs_register_check_period_ms";
3343
3344        /**
3345         * The length of time in milli-seconds that automatic small adjustments to
3346         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3347         * @hide
3348         */
3349        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3350
3351        /**
3352         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3353         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3354         * exceeded.
3355         * @hide
3356         */
3357        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3358
3359        /**
3360         * The maximum reconnect delay for short network outages or when the network is suspended
3361         * due to phone use.
3362         * @hide
3363         */
3364        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3365                "sync_max_retry_delay_in_seconds";
3366
3367        /**
3368         * The interval in milliseconds at which to check the number of SMS sent
3369         * out without asking for use permit, to limit the un-authorized SMS
3370         * usage.
3371         * @hide
3372         */
3373        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3374                "sms_outgoing_check_interval_ms";
3375
3376        /**
3377         * The number of outgoing SMS sent without asking for user permit
3378         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3379         * @hide
3380         */
3381        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3382                "sms_outgoing_check_max_count";
3383
3384        /**
3385         * The number of promoted sources in GlobalSearch.
3386         * @hide
3387         */
3388        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3389        /**
3390         * The maximum number of suggestions returned by GlobalSearch.
3391         * @hide
3392         */
3393        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3394        /**
3395         * The number of suggestions GlobalSearch will ask each non-web search source for.
3396         * @hide
3397         */
3398        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3399        /**
3400         * The number of suggestions the GlobalSearch will ask the web search source for.
3401         * @hide
3402         */
3403        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3404                "search_web_results_override_limit";
3405        /**
3406         * The number of milliseconds that GlobalSearch will wait for suggestions from
3407         * promoted sources before continuing with all other sources.
3408         * @hide
3409         */
3410        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3411                "search_promoted_source_deadline_millis";
3412        /**
3413         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3414         * @hide
3415         */
3416        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3417        /**
3418         * The maximum number of milliseconds that GlobalSearch shows the previous results
3419         * after receiving a new query.
3420         * @hide
3421         */
3422        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3423        /**
3424         * The maximum age of log data used for shortcuts in GlobalSearch.
3425         * @hide
3426         */
3427        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3428        /**
3429         * The maximum age of log data used for source ranking in GlobalSearch.
3430         * @hide
3431         */
3432        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3433                "search_max_source_event_age_millis";
3434        /**
3435         * The minimum number of impressions needed to rank a source in GlobalSearch.
3436         * @hide
3437         */
3438        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3439                "search_min_impressions_for_source_ranking";
3440        /**
3441         * The minimum number of clicks needed to rank a source in GlobalSearch.
3442         * @hide
3443         */
3444        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3445                "search_min_clicks_for_source_ranking";
3446        /**
3447         * The maximum number of shortcuts shown by GlobalSearch.
3448         * @hide
3449         */
3450        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3451        /**
3452         * The size of the core thread pool for suggestion queries in GlobalSearch.
3453         * @hide
3454         */
3455        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3456                "search_query_thread_core_pool_size";
3457        /**
3458         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3459         * @hide
3460         */
3461        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3462                "search_query_thread_max_pool_size";
3463        /**
3464         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3465         * @hide
3466         */
3467        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3468                "search_shortcut_refresh_core_pool_size";
3469        /**
3470         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3471         * @hide
3472         */
3473        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3474                "search_shortcut_refresh_max_pool_size";
3475        /**
3476         * The maximun time that excess threads in the GlobalSeach thread pools will
3477         * wait before terminating.
3478         * @hide
3479         */
3480        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3481                "search_thread_keepalive_seconds";
3482        /**
3483         * The maximum number of concurrent suggestion queries to each source.
3484         * @hide
3485         */
3486        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3487                "search_per_source_concurrent_query_limit";
3488
3489        /**
3490         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3491         * @hide
3492         */
3493        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3494
3495        /**
3496         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3497         * @hide
3498         */
3499        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3500
3501        /**
3502         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3503         * @hide
3504         */
3505        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3506
3507        /**
3508         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3509         * @hide
3510         */
3511        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3512
3513        /**
3514         * If nonzero, ANRs in invisible background processes bring up a dialog.
3515         * Otherwise, the process will be silently killed.
3516         * @hide
3517         */
3518        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3519
3520        /**
3521         * The {@link ComponentName} string of the service to be used as the voice recognition
3522         * service.
3523         *
3524         * @hide
3525         */
3526        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3527
3528        /**
3529         * What happens when the user presses the Power button while in-call
3530         * and the screen is on.<br/>
3531         * <b>Values:</b><br/>
3532         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3533         * 2 - The Power button hangs up the current call.<br/>
3534         *
3535         * @hide
3536         */
3537        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3538
3539        /**
3540         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3541         * @hide
3542         */
3543        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3544
3545        /**
3546         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3547         * @hide
3548         */
3549        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3550
3551        /**
3552         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3553         * @hide
3554         */
3555        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3556                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3557
3558        /**
3559         * The current night mode that has been selected by the user.  Owned
3560         * and controlled by UiModeManagerService.  Constants are as per
3561         * UiModeManager.
3562         * @hide
3563         */
3564        public static final String UI_NIGHT_MODE = "ui_night_mode";
3565
3566        /**
3567         * Let user pick default install location.
3568         * @hide
3569         */
3570        public static final String SET_INSTALL_LOCATION = "set_install_location";
3571
3572        /**
3573         * Default install location value.
3574         * 0 = auto, let system decide
3575         * 1 = internal
3576         * 2 = sdcard
3577         * @hide
3578         */
3579        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3580
3581        /**
3582         * The bandwidth throttle polling freqency in seconds
3583         * @hide
3584         */
3585        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3586
3587        /**
3588         * The bandwidth throttle threshold (long)
3589         * @hide
3590         */
3591        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3592
3593        /**
3594         * The bandwidth throttle value (kbps)
3595         * @hide
3596         */
3597        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3598
3599        /**
3600         * The bandwidth throttle reset calendar day (1-28)
3601         * @hide
3602         */
3603        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3604
3605        /**
3606         * The throttling notifications we should send
3607         * @hide
3608         */
3609        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3610
3611        /**
3612         * Help URI for data throttling policy
3613         * @hide
3614         */
3615        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3616
3617        /**
3618         * The length of time in Sec that we allow our notion of NTP time
3619         * to be cached before we refresh it
3620         * @hide
3621         */
3622        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3623                "throttle_max_ntp_cache_age_sec";
3624
3625        /**
3626         * The maximum size, in bytes, of a download that the download manager will transfer over
3627         * a non-wifi connection.
3628         * @hide
3629         */
3630        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3631                "download_manager_max_bytes_over_mobile";
3632
3633        /**
3634         * The recommended maximum size, in bytes, of a download that the download manager should
3635         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3636         * have the option to start the download over the mobile connection anyway.
3637         * @hide
3638         */
3639        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3640                "download_manager_recommended_max_bytes_over_mobile";
3641
3642        /**
3643         * ms during which to consume extra events related to Inet connection condition
3644         * after a transtion to fully-connected
3645         * @hide
3646         */
3647        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3648                "inet_condition_debounce_up_delay";
3649
3650        /**
3651         * ms during which to consume extra events related to Inet connection condtion
3652         * after a transtion to partly-connected
3653         * @hide
3654         */
3655        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3656                "inet_condition_debounce_down_delay";
3657
3658        /**
3659         * @hide
3660         */
3661        public static final String[] SETTINGS_TO_BACKUP = {
3662            ADB_ENABLED,
3663            ALLOW_MOCK_LOCATION,
3664            PARENTAL_CONTROL_ENABLED,
3665            PARENTAL_CONTROL_REDIRECT_URL,
3666            USB_MASS_STORAGE_ENABLED,
3667            ACCESSIBILITY_ENABLED,
3668            ACCESSIBILITY_SCRIPT_INJECTION,
3669            BACKUP_AUTO_RESTORE,
3670            ENABLED_ACCESSIBILITY_SERVICES,
3671            TTS_USE_DEFAULTS,
3672            TTS_DEFAULT_RATE,
3673            TTS_DEFAULT_PITCH,
3674            TTS_DEFAULT_SYNTH,
3675            TTS_DEFAULT_LANG,
3676            TTS_DEFAULT_COUNTRY,
3677            TTS_ENABLED_PLUGINS,
3678            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3679            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3680            WIFI_COUNTRY_CODE,
3681            WIFI_NUM_OPEN_NETWORKS_KEPT,
3682            MOUNT_PLAY_NOTIFICATION_SND,
3683            MOUNT_UMS_AUTOSTART,
3684            MOUNT_UMS_PROMPT,
3685            MOUNT_UMS_NOTIFY_ENABLED,
3686            UI_NIGHT_MODE
3687        };
3688
3689        /**
3690         * Helper method for determining if a location provider is enabled.
3691         * @param cr the content resolver to use
3692         * @param provider the location provider to query
3693         * @return true if the provider is enabled
3694         */
3695        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3696            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3697            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3698        }
3699
3700        /**
3701         * Thread-safe method for enabling or disabling a single location provider.
3702         * @param cr the content resolver to use
3703         * @param provider the location provider to enable or disable
3704         * @param enabled true if the provider should be enabled
3705         */
3706        public static final void setLocationProviderEnabled(ContentResolver cr,
3707                String provider, boolean enabled) {
3708            // to ensure thread safety, we write the provider name with a '+' or '-'
3709            // and let the SettingsProvider handle it rather than reading and modifying
3710            // the list of enabled providers.
3711            if (enabled) {
3712                provider = "+" + provider;
3713            } else {
3714                provider = "-" + provider;
3715            }
3716            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3717        }
3718    }
3719
3720    /**
3721     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3722     * Intent URL, allowing it to be either a web page or a particular
3723     * application activity.
3724     *
3725     * @hide
3726     */
3727    public static final class Bookmarks implements BaseColumns
3728    {
3729        private static final String TAG = "Bookmarks";
3730
3731        /**
3732         * The content:// style URL for this table
3733         */
3734        public static final Uri CONTENT_URI =
3735            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3736
3737        /**
3738         * The row ID.
3739         * <p>Type: INTEGER</p>
3740         */
3741        public static final String ID = "_id";
3742
3743        /**
3744         * Descriptive name of the bookmark that can be displayed to the user.
3745         * If this is empty, the title should be resolved at display time (use
3746         * {@link #getTitle(Context, Cursor)} any time you want to display the
3747         * title of a bookmark.)
3748         * <P>
3749         * Type: TEXT
3750         * </P>
3751         */
3752        public static final String TITLE = "title";
3753
3754        /**
3755         * Arbitrary string (displayed to the user) that allows bookmarks to be
3756         * organized into categories.  There are some special names for
3757         * standard folders, which all start with '@'.  The label displayed for
3758         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3759         * the folder name does not change so you can consistently query for
3760         * the folder regardless of the current locale.
3761         *
3762         * <P>Type: TEXT</P>
3763         *
3764         */
3765        public static final String FOLDER = "folder";
3766
3767        /**
3768         * The Intent URL of the bookmark, describing what it points to.  This
3769         * value is given to {@link android.content.Intent#getIntent} to create
3770         * an Intent that can be launched.
3771         * <P>Type: TEXT</P>
3772         */
3773        public static final String INTENT = "intent";
3774
3775        /**
3776         * Optional shortcut character associated with this bookmark.
3777         * <P>Type: INTEGER</P>
3778         */
3779        public static final String SHORTCUT = "shortcut";
3780
3781        /**
3782         * The order in which the bookmark should be displayed
3783         * <P>Type: INTEGER</P>
3784         */
3785        public static final String ORDERING = "ordering";
3786
3787        private static final String[] sIntentProjection = { INTENT };
3788        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3789        private static final String sShortcutSelection = SHORTCUT + "=?";
3790
3791        /**
3792         * Convenience function to retrieve the bookmarked Intent for a
3793         * particular shortcut key.
3794         *
3795         * @param cr The ContentResolver to query.
3796         * @param shortcut The shortcut key.
3797         *
3798         * @return Intent The bookmarked URL, or null if there is no bookmark
3799         *         matching the given shortcut.
3800         */
3801        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3802        {
3803            Intent intent = null;
3804
3805            Cursor c = cr.query(CONTENT_URI,
3806                    sIntentProjection, sShortcutSelection,
3807                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3808            // Keep trying until we find a valid shortcut
3809            try {
3810                while (intent == null && c.moveToNext()) {
3811                    try {
3812                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3813                        intent = Intent.parseUri(intentURI, 0);
3814                    } catch (java.net.URISyntaxException e) {
3815                        // The stored URL is bad...  ignore it.
3816                    } catch (IllegalArgumentException e) {
3817                        // Column not found
3818                        Log.w(TAG, "Intent column not found", e);
3819                    }
3820                }
3821            } finally {
3822                if (c != null) c.close();
3823            }
3824
3825            return intent;
3826        }
3827
3828        /**
3829         * Add a new bookmark to the system.
3830         *
3831         * @param cr The ContentResolver to query.
3832         * @param intent The desired target of the bookmark.
3833         * @param title Bookmark title that is shown to the user; null if none
3834         *            or it should be resolved to the intent's title.
3835         * @param folder Folder in which to place the bookmark; null if none.
3836         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3837         *            this is non-zero and there is an existing bookmark entry
3838         *            with this same shortcut, then that existing shortcut is
3839         *            cleared (the bookmark is not removed).
3840         * @return The unique content URL for the new bookmark entry.
3841         */
3842        public static Uri add(ContentResolver cr,
3843                                           Intent intent,
3844                                           String title,
3845                                           String folder,
3846                                           char shortcut,
3847                                           int ordering)
3848        {
3849            // If a shortcut is supplied, and it is already defined for
3850            // another bookmark, then remove the old definition.
3851            if (shortcut != 0) {
3852                cr.delete(CONTENT_URI, sShortcutSelection,
3853                        new String[] { String.valueOf((int) shortcut) });
3854            }
3855
3856            ContentValues values = new ContentValues();
3857            if (title != null) values.put(TITLE, title);
3858            if (folder != null) values.put(FOLDER, folder);
3859            values.put(INTENT, intent.toUri(0));
3860            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3861            values.put(ORDERING, ordering);
3862            return cr.insert(CONTENT_URI, values);
3863        }
3864
3865        /**
3866         * Return the folder name as it should be displayed to the user.  This
3867         * takes care of localizing special folders.
3868         *
3869         * @param r Resources object for current locale; only need access to
3870         *          system resources.
3871         * @param folder The value found in the {@link #FOLDER} column.
3872         *
3873         * @return CharSequence The label for this folder that should be shown
3874         *         to the user.
3875         */
3876        public static CharSequence getLabelForFolder(Resources r, String folder) {
3877            return folder;
3878        }
3879
3880        /**
3881         * Return the title as it should be displayed to the user. This takes
3882         * care of localizing bookmarks that point to activities.
3883         *
3884         * @param context A context.
3885         * @param cursor A cursor pointing to the row whose title should be
3886         *        returned. The cursor must contain at least the {@link #TITLE}
3887         *        and {@link #INTENT} columns.
3888         * @return A title that is localized and can be displayed to the user,
3889         *         or the empty string if one could not be found.
3890         */
3891        public static CharSequence getTitle(Context context, Cursor cursor) {
3892            int titleColumn = cursor.getColumnIndex(TITLE);
3893            int intentColumn = cursor.getColumnIndex(INTENT);
3894            if (titleColumn == -1 || intentColumn == -1) {
3895                throw new IllegalArgumentException(
3896                        "The cursor must contain the TITLE and INTENT columns.");
3897            }
3898
3899            String title = cursor.getString(titleColumn);
3900            if (!TextUtils.isEmpty(title)) {
3901                return title;
3902            }
3903
3904            String intentUri = cursor.getString(intentColumn);
3905            if (TextUtils.isEmpty(intentUri)) {
3906                return "";
3907            }
3908
3909            Intent intent;
3910            try {
3911                intent = Intent.parseUri(intentUri, 0);
3912            } catch (URISyntaxException e) {
3913                return "";
3914            }
3915
3916            PackageManager packageManager = context.getPackageManager();
3917            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3918            return info != null ? info.loadLabel(packageManager) : "";
3919        }
3920    }
3921
3922    /**
3923     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3924     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3925     * from the GoogleLoginService.
3926     *
3927     * @param androidId The Android ID for this device.
3928     * @return The device ID that should be used when connecting to the mobile gtalk server.
3929     * @hide
3930     */
3931    public static String getGTalkDeviceId(long androidId) {
3932        return "android-" + Long.toHexString(androidId);
3933    }
3934}
3935