Settings.java revision 2c09a9c0e960163a16ad1d06055aa6ee9635c693
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 settings to enable/disable input method subtypes.
284     * <p>
285     * In some cases, a matching Activity may not exist, so ensure you
286     * safeguard against this.
287     * <p>
288     * To tell which input method's subtypes are displayed in the settings, add
289     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
290     * If there is no extra in this Intent, subtypes from all installed input methods
291     * will be displayed in the settings.
292     *
293     * @see android.view.inputmethod.InputMethodInfo#getId
294     * <p>
295     * Input: Nothing.
296     * <p>
297     * Output: Nothing.
298     */
299    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
300    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
301            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
302
303    /**
304     * Activity Action: Show settings to manage the user input dictionary.
305     * <p>
306     * In some cases, a matching Activity may not exist, so ensure you
307     * safeguard against this.
308     * <p>
309     * Input: Nothing.
310     * <p>
311     * Output: Nothing.
312     */
313    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
314    public static final String ACTION_USER_DICTIONARY_SETTINGS =
315            "android.settings.USER_DICTIONARY_SETTINGS";
316
317    /**
318     * Activity Action: Show settings to allow configuration of application-related settings.
319     * <p>
320     * In some cases, a matching Activity may not exist, so ensure you
321     * safeguard against this.
322     * <p>
323     * Input: Nothing.
324     * <p>
325     * Output: Nothing.
326     */
327    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
328    public static final String ACTION_APPLICATION_SETTINGS =
329            "android.settings.APPLICATION_SETTINGS";
330
331    /**
332     * Activity Action: Show settings to allow configuration of application
333     * development-related settings.
334     * <p>
335     * In some cases, a matching Activity may not exist, so ensure you safeguard
336     * against this.
337     * <p>
338     * Input: Nothing.
339     * <p>
340     * Output: Nothing.
341     */
342    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
343    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
344            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
345
346    /**
347     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
348     * <p>
349     * In some cases, a matching Activity may not exist, so ensure you
350     * safeguard against this.
351     * <p>
352     * Input: Nothing.
353     * <p>
354     * Output: Nothing.
355     */
356    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
357    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
358            "android.settings.QUICK_LAUNCH_SETTINGS";
359
360    /**
361     * Activity Action: Show settings to manage installed applications.
362     * <p>
363     * In some cases, a matching Activity may not exist, so ensure you
364     * safeguard against this.
365     * <p>
366     * Input: Nothing.
367     * <p>
368     * Output: Nothing.
369     */
370    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
371    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
372            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
373
374    /**
375     * Activity Action: Show settings to manage all applications.
376     * <p>
377     * In some cases, a matching Activity may not exist, so ensure you
378     * safeguard against this.
379     * <p>
380     * Input: Nothing.
381     * <p>
382     * Output: Nothing.
383     */
384    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
385    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
386            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
387
388    /**
389     * Activity Action: Show screen of details about a particular application.
390     * <p>
391     * In some cases, a matching Activity may not exist, so ensure you
392     * safeguard against this.
393     * <p>
394     * Input: The Intent's data URI specifies the application package name
395     * to be shown, with the "package" scheme.  That is "package:com.my.app".
396     * <p>
397     * Output: Nothing.
398     */
399    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
400    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
401            "android.settings.APPLICATION_DETAILS_SETTINGS";
402
403    /**
404     * Activity Action: Show settings for system update functionality.
405     * <p>
406     * In some cases, a matching Activity may not exist, so ensure you
407     * safeguard against this.
408     * <p>
409     * Input: Nothing.
410     * <p>
411     * Output: Nothing.
412     *
413     * @hide
414     */
415    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
416    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
417            "android.settings.SYSTEM_UPDATE_SETTINGS";
418
419    /**
420     * Activity Action: Show settings to allow configuration of sync settings.
421     * <p>
422     * In some cases, a matching Activity may not exist, so ensure you
423     * safeguard against this.
424     * <p>
425     * The account types available to add via the add account button may be restricted by adding an
426     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
427     * authorities. Only account types which can sync with that content provider will be offered to
428     * the user.
429     * <p>
430     * Input: Nothing.
431     * <p>
432     * Output: Nothing.
433     */
434    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
435    public static final String ACTION_SYNC_SETTINGS =
436            "android.settings.SYNC_SETTINGS";
437
438    /**
439     * Activity Action: Show add account screen for creating a new account.
440     * <p>
441     * In some cases, a matching Activity may not exist, so ensure you
442     * safeguard against this.
443     * <p>
444     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
445     * extra to the Intent with one or more syncable content provider's authorities.  Only account
446     * types which can sync with that content provider will be offered to the user.
447     * <p>
448     * Input: Nothing.
449     * <p>
450     * Output: Nothing.
451     */
452    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
453    public static final String ACTION_ADD_ACCOUNT =
454            "android.settings.ADD_ACCOUNT_SETTINGS";
455
456    /**
457     * Activity Action: Show settings for selecting the network operator.
458     * <p>
459     * In some cases, a matching Activity may not exist, so ensure you
460     * safeguard against this.
461     * <p>
462     * Input: Nothing.
463     * <p>
464     * Output: Nothing.
465     */
466    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
467    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
468            "android.settings.NETWORK_OPERATOR_SETTINGS";
469
470    /**
471     * Activity Action: Show settings for selection of 2G/3G.
472     * <p>
473     * In some cases, a matching Activity may not exist, so ensure you
474     * safeguard against this.
475     * <p>
476     * Input: Nothing.
477     * <p>
478     * Output: Nothing.
479     */
480    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
481    public static final String ACTION_DATA_ROAMING_SETTINGS =
482            "android.settings.DATA_ROAMING_SETTINGS";
483
484    /**
485     * Activity Action: Show settings for internal storage.
486     * <p>
487     * In some cases, a matching Activity may not exist, so ensure you
488     * safeguard against this.
489     * <p>
490     * Input: Nothing.
491     * <p>
492     * Output: Nothing.
493     */
494    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
495    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
496            "android.settings.INTERNAL_STORAGE_SETTINGS";
497    /**
498     * Activity Action: Show settings for memory card storage.
499     * <p>
500     * In some cases, a matching Activity may not exist, so ensure you
501     * safeguard against this.
502     * <p>
503     * Input: Nothing.
504     * <p>
505     * Output: Nothing.
506     */
507    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
508    public static final String ACTION_MEMORY_CARD_SETTINGS =
509            "android.settings.MEMORY_CARD_SETTINGS";
510
511    /**
512     * Activity Action: Show settings for global search.
513     * <p>
514     * In some cases, a matching Activity may not exist, so ensure you
515     * safeguard against this.
516     * <p>
517     * Input: Nothing.
518     * <p>
519     * Output: Nothing
520     */
521    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
522    public static final String ACTION_SEARCH_SETTINGS =
523        "android.search.action.SEARCH_SETTINGS";
524
525    /**
526     * Activity Action: Show general device information settings (serial
527     * number, software version, phone number, etc.).
528     * <p>
529     * In some cases, a matching Activity may not exist, so ensure you
530     * safeguard against this.
531     * <p>
532     * Input: Nothing.
533     * <p>
534     * Output: Nothing
535     */
536    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
537    public static final String ACTION_DEVICE_INFO_SETTINGS =
538        "android.settings.DEVICE_INFO_SETTINGS";
539
540    // End of Intent actions for Settings
541
542    /**
543     * @hide - Private call() method on SettingsProvider to read from 'system' table.
544     */
545    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
546
547    /**
548     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
549     */
550    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
551
552    /**
553     * Activity Extra: Limit available options in launched activity based on the given authority.
554     * <p>
555     * This can be passed as an extra field in an Activity Intent with one or more syncable content
556     * provider's authorities as a String[]. This field is used by some intents to alter the
557     * behavior of the called activity.
558     * <p>
559     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
560     * on the authority given.
561     */
562    public static final String EXTRA_AUTHORITIES =
563            "authorities";
564
565    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
566
567    private static final String JID_RESOURCE_PREFIX = "android";
568
569    public static final String AUTHORITY = "settings";
570
571    private static final String TAG = "Settings";
572    private static final boolean LOCAL_LOGV = Config.LOGV || false;
573
574    public static class SettingNotFoundException extends AndroidException {
575        public SettingNotFoundException(String msg) {
576            super(msg);
577        }
578    }
579
580    /**
581     * Common base for tables of name/value settings.
582     */
583    public static class NameValueTable implements BaseColumns {
584        public static final String NAME = "name";
585        public static final String VALUE = "value";
586
587        protected static boolean putString(ContentResolver resolver, Uri uri,
588                String name, String value) {
589            // The database will take care of replacing duplicates.
590            try {
591                ContentValues values = new ContentValues();
592                values.put(NAME, name);
593                values.put(VALUE, value);
594                resolver.insert(uri, values);
595                return true;
596            } catch (SQLException e) {
597                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
598                return false;
599            }
600        }
601
602        public static Uri getUriFor(Uri uri, String name) {
603            return Uri.withAppendedPath(uri, name);
604        }
605    }
606
607    // Thread-safe.
608    private static class NameValueCache {
609        private final String mVersionSystemProperty;
610        private final Uri mUri;
611
612        private static final String[] SELECT_VALUE =
613            new String[] { Settings.NameValueTable.VALUE };
614        private static final String NAME_EQ_PLACEHOLDER = "name=?";
615
616        // Must synchronize on 'this' to access mValues and mValuesVersion.
617        private final HashMap<String, String> mValues = new HashMap<String, String>();
618        private long mValuesVersion = 0;
619
620        // Initially null; set lazily and held forever.  Synchronized on 'this'.
621        private IContentProvider mContentProvider = null;
622
623        // The method we'll call (or null, to not use) on the provider
624        // for the fast path of retrieving settings.
625        private final String mCallCommand;
626
627        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
628            mVersionSystemProperty = versionSystemProperty;
629            mUri = uri;
630            mCallCommand = callCommand;
631        }
632
633        public String getString(ContentResolver cr, String name) {
634            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
635
636            synchronized (this) {
637                if (mValuesVersion != newValuesVersion) {
638                    if (LOCAL_LOGV) {
639                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
640                                newValuesVersion + " != cached " + mValuesVersion);
641                    }
642
643                    mValues.clear();
644                    mValuesVersion = newValuesVersion;
645                }
646
647                if (mValues.containsKey(name)) {
648                    return mValues.get(name);  // Could be null, that's OK -- negative caching
649                }
650            }
651
652            IContentProvider cp = null;
653            synchronized (this) {
654                cp = mContentProvider;
655                if (cp == null) {
656                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
657                }
658            }
659
660            // Try the fast path first, not using query().  If this
661            // fails (alternate Settings provider that doesn't support
662            // this interface?) then we fall back to the query/table
663            // interface.
664            if (mCallCommand != null) {
665                try {
666                    Bundle b = cp.call(mCallCommand, name, null);
667                    if (b != null) {
668                        String value = b.getPairValue();
669                        synchronized (this) {
670                            mValues.put(name, value);
671                        }
672                        return value;
673                    }
674                    // If the response Bundle is null, we fall through
675                    // to the query interface below.
676                } catch (RemoteException e) {
677                    // Not supported by the remote side?  Fall through
678                    // to query().
679                }
680            }
681
682            Cursor c = null;
683            try {
684                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
685                             new String[]{name}, null);
686                if (c == null) {
687                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
688                    return null;
689                }
690
691                String value = c.moveToNext() ? c.getString(0) : null;
692                synchronized (this) {
693                    mValues.put(name, value);
694                }
695                if (LOCAL_LOGV) {
696                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
697                            name + " = " + (value == null ? "(null)" : value));
698                }
699                return value;
700            } catch (RemoteException e) {
701                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
702                return null;  // Return null, but don't cache it.
703            } finally {
704                if (c != null) c.close();
705            }
706        }
707    }
708
709    /**
710     * System settings, containing miscellaneous system preferences.  This
711     * table holds simple name/value pairs.  There are convenience
712     * functions for accessing individual settings entries.
713     */
714    public static final class System extends NameValueTable {
715        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
716
717        // Populated lazily, guarded by class object:
718        private static NameValueCache sNameValueCache = null;
719
720        private static final HashSet<String> MOVED_TO_SECURE;
721        static {
722            MOVED_TO_SECURE = new HashSet<String>(30);
723            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
724            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
725            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
726            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
727            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
728            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
729            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
730            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
731            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
732            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
733            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
734            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
735            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
736            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
737            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
738            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
739            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
740            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
741            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
742            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
743            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
744            MOVED_TO_SECURE.add(Secure.WIFI_ON);
745            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
746            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
747            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
748            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
749            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
750            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
751            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
752            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
753            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
754            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
755            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
756        }
757
758        /**
759         * Look up a name in the database.
760         * @param resolver to access the database with
761         * @param name to look up in the table
762         * @return the corresponding value, or null if not present
763         */
764        public synchronized static String getString(ContentResolver resolver, String name) {
765            if (MOVED_TO_SECURE.contains(name)) {
766                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
767                        + " to android.provider.Settings.Secure, returning read-only value.");
768                return Secure.getString(resolver, name);
769            }
770            if (sNameValueCache == null) {
771                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
772                                                     CALL_METHOD_GET_SYSTEM);
773            }
774            return sNameValueCache.getString(resolver, name);
775        }
776
777        /**
778         * Store a name/value pair into the database.
779         * @param resolver to access the database with
780         * @param name to store
781         * @param value to associate with the name
782         * @return true if the value was set, false on database errors
783         */
784        public static boolean putString(ContentResolver resolver, String name, String value) {
785            if (MOVED_TO_SECURE.contains(name)) {
786                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
787                        + " to android.provider.Settings.Secure, value is unchanged.");
788                return false;
789            }
790            return putString(resolver, CONTENT_URI, name, value);
791        }
792
793        /**
794         * Construct the content URI for a particular name/value pair,
795         * useful for monitoring changes with a ContentObserver.
796         * @param name to look up in the table
797         * @return the corresponding content URI, or null if not present
798         */
799        public static Uri getUriFor(String name) {
800            if (MOVED_TO_SECURE.contains(name)) {
801                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
802                    + " to android.provider.Settings.Secure, returning Secure URI.");
803                return Secure.getUriFor(Secure.CONTENT_URI, name);
804            }
805            return getUriFor(CONTENT_URI, name);
806        }
807
808        /**
809         * Convenience function for retrieving a single system settings value
810         * as an integer.  Note that internally setting values are always
811         * stored as strings; this function converts the string to an integer
812         * for you.  The default value will be returned if the setting is
813         * not defined or not an integer.
814         *
815         * @param cr The ContentResolver to access.
816         * @param name The name of the setting to retrieve.
817         * @param def Value to return if the setting is not defined.
818         *
819         * @return The setting's current value, or 'def' if it is not defined
820         * or not a valid integer.
821         */
822        public static int getInt(ContentResolver cr, String name, int def) {
823            String v = getString(cr, name);
824            try {
825                return v != null ? Integer.parseInt(v) : def;
826            } catch (NumberFormatException e) {
827                return def;
828            }
829        }
830
831        /**
832         * Convenience function for retrieving a single system settings value
833         * as an integer.  Note that internally setting values are always
834         * stored as strings; this function converts the string to an integer
835         * for you.
836         * <p>
837         * This version does not take a default value.  If the setting has not
838         * been set, or the string value is not a number,
839         * it throws {@link SettingNotFoundException}.
840         *
841         * @param cr The ContentResolver to access.
842         * @param name The name of the setting to retrieve.
843         *
844         * @throws SettingNotFoundException Thrown if a setting by the given
845         * name can't be found or the setting value is not an integer.
846         *
847         * @return The setting's current value.
848         */
849        public static int getInt(ContentResolver cr, String name)
850                throws SettingNotFoundException {
851            String v = getString(cr, name);
852            try {
853                return Integer.parseInt(v);
854            } catch (NumberFormatException e) {
855                throw new SettingNotFoundException(name);
856            }
857        }
858
859        /**
860         * Convenience function for updating a single settings value as an
861         * integer. This will either create a new entry in the table if the
862         * given name does not exist, or modify the value of the existing row
863         * with that name.  Note that internally setting values are always
864         * stored as strings, so this function converts the given value to a
865         * string before storing it.
866         *
867         * @param cr The ContentResolver to access.
868         * @param name The name of the setting to modify.
869         * @param value The new value for the setting.
870         * @return true if the value was set, false on database errors
871         */
872        public static boolean putInt(ContentResolver cr, String name, int value) {
873            return putString(cr, name, Integer.toString(value));
874        }
875
876        /**
877         * Convenience function for retrieving a single system settings value
878         * as a {@code long}.  Note that internally setting values are always
879         * stored as strings; this function converts the string to a {@code long}
880         * for you.  The default value will be returned if the setting is
881         * not defined or not a {@code long}.
882         *
883         * @param cr The ContentResolver to access.
884         * @param name The name of the setting to retrieve.
885         * @param def Value to return if the setting is not defined.
886         *
887         * @return The setting's current value, or 'def' if it is not defined
888         * or not a valid {@code long}.
889         */
890        public static long getLong(ContentResolver cr, String name, long def) {
891            String valString = getString(cr, name);
892            long value;
893            try {
894                value = valString != null ? Long.parseLong(valString) : def;
895            } catch (NumberFormatException e) {
896                value = def;
897            }
898            return value;
899        }
900
901        /**
902         * Convenience function for retrieving a single system settings value
903         * as a {@code long}.  Note that internally setting values are always
904         * stored as strings; this function converts the string to a {@code long}
905         * for you.
906         * <p>
907         * This version does not take a default value.  If the setting has not
908         * been set, or the string value is not a number,
909         * it throws {@link SettingNotFoundException}.
910         *
911         * @param cr The ContentResolver to access.
912         * @param name The name of the setting to retrieve.
913         *
914         * @return The setting's current value.
915         * @throws SettingNotFoundException Thrown if a setting by the given
916         * name can't be found or the setting value is not an integer.
917         */
918        public static long getLong(ContentResolver cr, String name)
919                throws SettingNotFoundException {
920            String valString = getString(cr, name);
921            try {
922                return Long.parseLong(valString);
923            } catch (NumberFormatException e) {
924                throw new SettingNotFoundException(name);
925            }
926        }
927
928        /**
929         * Convenience function for updating a single settings value as a long
930         * integer. This will either create a new entry in the table if the
931         * given name does not exist, or modify the value of the existing row
932         * with that name.  Note that internally setting values are always
933         * stored as strings, so this function converts the given value to a
934         * string before storing it.
935         *
936         * @param cr The ContentResolver to access.
937         * @param name The name of the setting to modify.
938         * @param value The new value for the setting.
939         * @return true if the value was set, false on database errors
940         */
941        public static boolean putLong(ContentResolver cr, String name, long value) {
942            return putString(cr, name, Long.toString(value));
943        }
944
945        /**
946         * Convenience function for retrieving a single system settings value
947         * as a floating point number.  Note that internally setting values are
948         * always stored as strings; this function converts the string to an
949         * float for you. The default value will be returned if the setting
950         * is not defined or not a valid float.
951         *
952         * @param cr The ContentResolver to access.
953         * @param name The name of the setting to retrieve.
954         * @param def Value to return if the setting is not defined.
955         *
956         * @return The setting's current value, or 'def' if it is not defined
957         * or not a valid float.
958         */
959        public static float getFloat(ContentResolver cr, String name, float def) {
960            String v = getString(cr, name);
961            try {
962                return v != null ? Float.parseFloat(v) : def;
963            } catch (NumberFormatException e) {
964                return def;
965            }
966        }
967
968        /**
969         * Convenience function for retrieving a single system settings value
970         * as a float.  Note that internally setting values are always
971         * stored as strings; this function converts the string to a float
972         * for you.
973         * <p>
974         * This version does not take a default value.  If the setting has not
975         * been set, or the string value is not a number,
976         * it throws {@link SettingNotFoundException}.
977         *
978         * @param cr The ContentResolver to access.
979         * @param name The name of the setting to retrieve.
980         *
981         * @throws SettingNotFoundException Thrown if a setting by the given
982         * name can't be found or the setting value is not a float.
983         *
984         * @return The setting's current value.
985         */
986        public static float getFloat(ContentResolver cr, String name)
987                throws SettingNotFoundException {
988            String v = getString(cr, name);
989            if (v == null) {
990                throw new SettingNotFoundException(name);
991            }
992            try {
993                return Float.parseFloat(v);
994            } catch (NumberFormatException e) {
995                throw new SettingNotFoundException(name);
996            }
997        }
998
999        /**
1000         * Convenience function for updating a single settings value as a
1001         * floating point number. This will either create a new entry in the
1002         * table if the given name does not exist, or modify the value of the
1003         * existing row with that name.  Note that internally setting values
1004         * are always stored as strings, so this function converts the given
1005         * value to a string before storing it.
1006         *
1007         * @param cr The ContentResolver to access.
1008         * @param name The name of the setting to modify.
1009         * @param value The new value for the setting.
1010         * @return true if the value was set, false on database errors
1011         */
1012        public static boolean putFloat(ContentResolver cr, String name, float value) {
1013            return putString(cr, name, Float.toString(value));
1014        }
1015
1016        /**
1017         * Convenience function to read all of the current
1018         * configuration-related settings into a
1019         * {@link Configuration} object.
1020         *
1021         * @param cr The ContentResolver to access.
1022         * @param outConfig Where to place the configuration settings.
1023         */
1024        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1025            outConfig.fontScale = Settings.System.getFloat(
1026                cr, FONT_SCALE, outConfig.fontScale);
1027            if (outConfig.fontScale < 0) {
1028                outConfig.fontScale = 1;
1029            }
1030        }
1031
1032        /**
1033         * Convenience function to write a batch of configuration-related
1034         * settings from a {@link Configuration} object.
1035         *
1036         * @param cr The ContentResolver to access.
1037         * @param config The settings to write.
1038         * @return true if the values were set, false on database errors
1039         */
1040        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1041            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1042        }
1043
1044        /** @hide */
1045        public static boolean hasInterestingConfigurationChanges(int changes) {
1046            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1047        }
1048
1049        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1050            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1051        }
1052
1053        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1054            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1055        }
1056
1057        /**
1058         * The content:// style URL for this table
1059         */
1060        public static final Uri CONTENT_URI =
1061            Uri.parse("content://" + AUTHORITY + "/system");
1062
1063        /**
1064         * Whether we keep the device on while the device is plugged in.
1065         * Supported values are:
1066         * <ul>
1067         * <li>{@code 0} to never stay on while plugged in</li>
1068         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1069         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1070         * </ul>
1071         * These values can be OR-ed together.
1072         */
1073        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1074
1075        /**
1076         * What happens when the user presses the end call button if they're not
1077         * on a call.<br/>
1078         * <b>Values:</b><br/>
1079         * 0 - The end button does nothing.<br/>
1080         * 1 - The end button goes to the home screen.<br/>
1081         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1082         * 3 - The end button goes to the home screen.  If the user is already on the
1083         * home screen, it puts the device to sleep.
1084         */
1085        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1086
1087        /**
1088         * END_BUTTON_BEHAVIOR value for "go home".
1089         * @hide
1090         */
1091        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1092
1093        /**
1094         * END_BUTTON_BEHAVIOR value for "go to sleep".
1095         * @hide
1096         */
1097        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1098
1099        /**
1100         * END_BUTTON_BEHAVIOR default value.
1101         * @hide
1102         */
1103        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1104
1105        /**
1106         * Whether Airplane Mode is on.
1107         */
1108        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1109
1110        /**
1111         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1112         */
1113        public static final String RADIO_BLUETOOTH = "bluetooth";
1114
1115        /**
1116         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1117         */
1118        public static final String RADIO_WIFI = "wifi";
1119
1120        /**
1121         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1122         */
1123        public static final String RADIO_CELL = "cell";
1124
1125        /**
1126         * A comma separated list of radios that need to be disabled when airplane mode
1127         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1128         * included in the comma separated list.
1129         */
1130        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1131
1132        /**
1133         * A comma separated list of radios that should to be disabled when airplane mode
1134         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1135         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1136         * will be turned off when entering airplane mode, but the user will be able to reenable
1137         * Wifi in the Settings app.
1138         *
1139         * {@hide}
1140         */
1141        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1142
1143        /**
1144         * The policy for deciding when Wi-Fi should go to sleep (which will in
1145         * turn switch to using the mobile data as an Internet connection).
1146         * <p>
1147         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1148         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1149         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1150         */
1151        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1152
1153        /**
1154         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1155         * policy, which is to sleep shortly after the turning off
1156         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1157         */
1158        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1159
1160        /**
1161         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1162         * the device is on battery, and never go to sleep when the device is
1163         * plugged in.
1164         */
1165        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1166
1167        /**
1168         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1169         */
1170        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1171
1172        //TODO: deprecate static IP constants
1173        /**
1174         * Whether to use static IP and other static network attributes.
1175         * <p>
1176         * Set to 1 for true and 0 for false.
1177         */
1178        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1179
1180        /**
1181         * The static IP address.
1182         * <p>
1183         * Example: "192.168.1.51"
1184         */
1185        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1186
1187        /**
1188         * If using static IP, the gateway's IP address.
1189         * <p>
1190         * Example: "192.168.1.1"
1191         */
1192        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1193
1194        /**
1195         * If using static IP, the net mask.
1196         * <p>
1197         * Example: "255.255.255.0"
1198         */
1199        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1200
1201        /**
1202         * If using static IP, the primary DNS's IP address.
1203         * <p>
1204         * Example: "192.168.1.1"
1205         */
1206        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1207
1208        /**
1209         * If using static IP, the secondary DNS's IP address.
1210         * <p>
1211         * Example: "192.168.1.2"
1212         */
1213        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1214
1215
1216        /**
1217         * Determines whether remote devices may discover and/or connect to
1218         * this device.
1219         * <P>Type: INT</P>
1220         * 2 -- discoverable and connectable
1221         * 1 -- connectable but not discoverable
1222         * 0 -- neither connectable nor discoverable
1223         */
1224        public static final String BLUETOOTH_DISCOVERABILITY =
1225            "bluetooth_discoverability";
1226
1227        /**
1228         * Bluetooth discoverability timeout.  If this value is nonzero, then
1229         * Bluetooth becomes discoverable for a certain number of seconds,
1230         * after which is becomes simply connectable.  The value is in seconds.
1231         */
1232        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1233            "bluetooth_discoverability_timeout";
1234
1235        /**
1236         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1237         * instead
1238         */
1239        @Deprecated
1240        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1241
1242        /**
1243         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1244         * instead
1245         */
1246        @Deprecated
1247        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1248
1249        /**
1250         * @deprecated Use
1251         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1252         * instead
1253         */
1254        @Deprecated
1255        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1256            "lock_pattern_tactile_feedback_enabled";
1257
1258
1259        /**
1260         * A formatted string of the next alarm that is set, or the empty string
1261         * if there is no alarm set.
1262         */
1263        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1264
1265        /**
1266         * Scaling factor for fonts, float.
1267         */
1268        public static final String FONT_SCALE = "font_scale";
1269
1270        /**
1271         * Name of an application package to be debugged.
1272         */
1273        public static final String DEBUG_APP = "debug_app";
1274
1275        /**
1276         * If 1, when launching DEBUG_APP it will wait for the debugger before
1277         * starting user code.  If 0, it will run normally.
1278         */
1279        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1280
1281        /**
1282         * Whether or not to dim the screen. 0=no  1=yes
1283         */
1284        public static final String DIM_SCREEN = "dim_screen";
1285
1286        /**
1287         * The timeout before the screen turns off.
1288         */
1289        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1290
1291        /**
1292         * If 0, the compatibility mode is off for all applications.
1293         * If 1, older applications run under compatibility mode.
1294         * TODO: remove this settings before code freeze (bug/1907571)
1295         * @hide
1296         */
1297        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1298
1299        /**
1300         * The screen backlight brightness between 0 and 255.
1301         */
1302        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1303
1304        /**
1305         * Control whether to enable automatic brightness mode.
1306         */
1307        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1308
1309        /**
1310         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1311         */
1312        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1313
1314        /**
1315         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1316         */
1317        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1318
1319        /**
1320         * Control whether the process CPU usage meter should be shown.
1321         */
1322        public static final String SHOW_PROCESSES = "show_processes";
1323
1324        /**
1325         * If 1, the activity manager will aggressively finish activities and
1326         * processes as soon as they are no longer needed.  If 0, the normal
1327         * extended lifetime is used.
1328         */
1329        public static final String ALWAYS_FINISH_ACTIVITIES =
1330                "always_finish_activities";
1331
1332
1333        /**
1334         * Ringer mode. This is used internally, changing this value will not
1335         * change the ringer mode. See AudioManager.
1336         */
1337        public static final String MODE_RINGER = "mode_ringer";
1338
1339        /**
1340         * Determines which streams are affected by ringer mode changes. The
1341         * stream type's bit should be set to 1 if it should be muted when going
1342         * into an inaudible ringer mode.
1343         */
1344        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1345
1346         /**
1347          * Determines which streams are affected by mute. The
1348          * stream type's bit should be set to 1 if it should be muted when a mute request
1349          * is received.
1350          */
1351         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1352
1353        /**
1354         * Whether vibrate is on for different events. This is used internally,
1355         * changing this value will not change the vibrate. See AudioManager.
1356         */
1357        public static final String VIBRATE_ON = "vibrate_on";
1358
1359        /**
1360         * Ringer volume. This is used internally, changing this value will not
1361         * change the volume. See AudioManager.
1362         */
1363        public static final String VOLUME_RING = "volume_ring";
1364
1365        /**
1366         * System/notifications volume. This is used internally, changing this
1367         * value will not change the volume. See AudioManager.
1368         */
1369        public static final String VOLUME_SYSTEM = "volume_system";
1370
1371        /**
1372         * Voice call volume. This is used internally, changing this value will
1373         * not change the volume. See AudioManager.
1374         */
1375        public static final String VOLUME_VOICE = "volume_voice";
1376
1377        /**
1378         * Music/media/gaming volume. This is used internally, changing this
1379         * value will not change the volume. See AudioManager.
1380         */
1381        public static final String VOLUME_MUSIC = "volume_music";
1382
1383        /**
1384         * Alarm volume. This is used internally, changing this
1385         * value will not change the volume. See AudioManager.
1386         */
1387        public static final String VOLUME_ALARM = "volume_alarm";
1388
1389        /**
1390         * Notification volume. This is used internally, changing this
1391         * value will not change the volume. See AudioManager.
1392         */
1393        public static final String VOLUME_NOTIFICATION = "volume_notification";
1394
1395        /**
1396         * Bluetooth Headset volume. This is used internally, changing this value will
1397         * not change the volume. See AudioManager.
1398         */
1399        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1400
1401        /**
1402         * Whether the notifications should use the ring volume (value of 1) or
1403         * a separate notification volume (value of 0). In most cases, users
1404         * will have this enabled so the notification and ringer volumes will be
1405         * the same. However, power users can disable this and use the separate
1406         * notification volume control.
1407         * <p>
1408         * Note: This is a one-off setting that will be removed in the future
1409         * when there is profile support. For this reason, it is kept hidden
1410         * from the public APIs.
1411         *
1412         * @hide
1413         */
1414        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1415            "notifications_use_ring_volume";
1416
1417        /**
1418         * Whether silent mode should allow vibration feedback. This is used
1419         * internally in AudioService and the Sound settings activity to
1420         * coordinate decoupling of vibrate and silent modes. This setting
1421         * will likely be removed in a future release with support for
1422         * audio/vibe feedback profiles.
1423         *
1424         * @hide
1425         */
1426        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1427
1428        /**
1429         * The mapping of stream type (integer) to its setting.
1430         */
1431        public static final String[] VOLUME_SETTINGS = {
1432            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1433            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1434        };
1435
1436        /**
1437         * Appended to various volume related settings to record the previous
1438         * values before they the settings were affected by a silent/vibrate
1439         * ringer mode change.
1440         */
1441        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1442
1443        /**
1444         * Persistent store for the system-wide default ringtone URI.
1445         * <p>
1446         * If you need to play the default ringtone at any given time, it is recommended
1447         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1448         * to the set default ringtone at the time of playing.
1449         *
1450         * @see #DEFAULT_RINGTONE_URI
1451         */
1452        public static final String RINGTONE = "ringtone";
1453
1454        /**
1455         * A {@link Uri} that will point to the current default ringtone at any
1456         * given time.
1457         * <p>
1458         * If the current default ringtone is in the DRM provider and the caller
1459         * does not have permission, the exception will be a
1460         * FileNotFoundException.
1461         */
1462        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1463
1464        /**
1465         * Persistent store for the system-wide default notification sound.
1466         *
1467         * @see #RINGTONE
1468         * @see #DEFAULT_NOTIFICATION_URI
1469         */
1470        public static final String NOTIFICATION_SOUND = "notification_sound";
1471
1472        /**
1473         * A {@link Uri} that will point to the current default notification
1474         * sound at any given time.
1475         *
1476         * @see #DEFAULT_RINGTONE_URI
1477         */
1478        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1479
1480        /**
1481         * Persistent store for the system-wide default alarm alert.
1482         *
1483         * @see #RINGTONE
1484         * @see #DEFAULT_ALARM_ALERT_URI
1485         */
1486        public static final String ALARM_ALERT = "alarm_alert";
1487
1488        /**
1489         * A {@link Uri} that will point to the current default alarm alert at
1490         * any given time.
1491         *
1492         * @see #DEFAULT_ALARM_ALERT_URI
1493         */
1494        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1495
1496        /**
1497         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1498         */
1499        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1500
1501        /**
1502         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1503         */
1504        public static final String TEXT_AUTO_CAPS = "auto_caps";
1505
1506        /**
1507         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1508         * feature converts two spaces to a "." and space.
1509         */
1510        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1511
1512        /**
1513         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1514         */
1515        public static final String TEXT_SHOW_PASSWORD = "show_password";
1516
1517        public static final String SHOW_GTALK_SERVICE_STATUS =
1518                "SHOW_GTALK_SERVICE_STATUS";
1519
1520        /**
1521         * Name of activity to use for wallpaper on the home screen.
1522         */
1523        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1524
1525        /**
1526         * Value to specify if the user prefers the date, time and time zone
1527         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1528         */
1529        public static final String AUTO_TIME = "auto_time";
1530
1531        /**
1532         * Value to specify if the user prefers the time zone
1533         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1534         */
1535        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1536
1537        /**
1538         * Display times as 12 or 24 hours
1539         *   12
1540         *   24
1541         */
1542        public static final String TIME_12_24 = "time_12_24";
1543
1544        /**
1545         * Date format string
1546         *   mm/dd/yyyy
1547         *   dd/mm/yyyy
1548         *   yyyy/mm/dd
1549         */
1550        public static final String DATE_FORMAT = "date_format";
1551
1552        /**
1553         * Whether the setup wizard has been run before (on first boot), or if
1554         * it still needs to be run.
1555         *
1556         * nonzero = it has been run in the past
1557         * 0 = it has not been run in the past
1558         */
1559        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1560
1561        /**
1562         * Scaling factor for normal window animations. Setting to 0 will disable window
1563         * animations.
1564         */
1565        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1566
1567        /**
1568         * Scaling factor for activity transition animations. Setting to 0 will disable window
1569         * animations.
1570         */
1571        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1572
1573        /**
1574         * Scaling factor for normal window animations. Setting to 0 will disable window
1575         * animations.
1576         * @hide
1577         */
1578        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1579
1580        /**
1581         * Control whether the accelerometer will be used to change screen
1582         * orientation.  If 0, it will not be used unless explicitly requested
1583         * by the application; if 1, it will be used by default unless explicitly
1584         * disabled by the application.
1585         */
1586        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1587
1588        /**
1589         * Default screen rotation when no other policy applies.
1590         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1591         * preference, this rotation value will be used. Must be one of the
1592         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1593         *
1594         * @see Display#getRotation
1595         */
1596        public static final String USER_ROTATION = "user_rotation";
1597
1598        /**
1599         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1600         * boolean (1 or 0).
1601         */
1602        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1603
1604        /**
1605         * CDMA only settings
1606         * DTMF tone type played by the dialer when dialing.
1607         *                 0 = Normal
1608         *                 1 = Long
1609         * @hide
1610         */
1611        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1612
1613        /**
1614         * CDMA only settings
1615         * Emergency Tone  0 = Off
1616         *                 1 = Alert
1617         *                 2 = Vibrate
1618         * @hide
1619         */
1620        public static final String EMERGENCY_TONE = "emergency_tone";
1621
1622        /**
1623         * CDMA only settings
1624         * Whether the auto retry is enabled. The value is
1625         * boolean (1 or 0).
1626         * @hide
1627         */
1628        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1629
1630        /**
1631         * Whether the hearing aid is enabled. The value is
1632         * boolean (1 or 0).
1633         * @hide
1634         */
1635        public static final String HEARING_AID = "hearing_aid";
1636
1637        /**
1638         * CDMA only settings
1639         * TTY Mode
1640         * 0 = OFF
1641         * 1 = FULL
1642         * 2 = VCO
1643         * 3 = HCO
1644         * @hide
1645         */
1646        public static final String TTY_MODE = "tty_mode";
1647
1648        /**
1649         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1650         * boolean (1 or 0).
1651         */
1652        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1653
1654        /**
1655         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1656         * boolean (1 or 0).
1657         */
1658        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1659
1660        /**
1661         * @deprecated Each application that shows web suggestions should have its own
1662         * setting for this.
1663         */
1664        @Deprecated
1665        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1666
1667        /**
1668         * Whether the notification LED should repeatedly flash when a notification is
1669         * pending. The value is boolean (1 or 0).
1670         * @hide
1671         */
1672        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1673
1674        /**
1675         * Show pointer location on screen?
1676         * 0 = no
1677         * 1 = yes
1678         * @hide
1679         */
1680        public static final String POINTER_LOCATION = "pointer_location";
1681
1682        /**
1683         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1684         * orientationplot.py tool.
1685         * 0 = no
1686         * 1 = yes
1687         * @hide
1688         */
1689        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1690                "window_orientation_listener_log";
1691
1692        /**
1693         * Whether to play a sound for low-battery alerts.
1694         * @hide
1695         */
1696        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1697
1698        /**
1699         * Whether to play a sound for dock events.
1700         * @hide
1701         */
1702        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1703
1704        /**
1705         * Whether to play sounds when the keyguard is shown and dismissed.
1706         * @hide
1707         */
1708        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1709
1710        /**
1711         * URI for the low battery sound file.
1712         * @hide
1713         */
1714        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1715
1716        /**
1717         * URI for the desk dock "in" event sound.
1718         * @hide
1719         */
1720        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1721
1722        /**
1723         * URI for the desk dock "out" event sound.
1724         * @hide
1725         */
1726        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1727
1728        /**
1729         * URI for the car dock "in" event sound.
1730         * @hide
1731         */
1732        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1733
1734        /**
1735         * URI for the car dock "out" event sound.
1736         * @hide
1737         */
1738        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1739
1740        /**
1741         * URI for the "device locked" (keyguard shown) sound.
1742         * @hide
1743         */
1744        public static final String LOCK_SOUND = "lock_sound";
1745
1746        /**
1747         * URI for the "device unlocked" (keyguard dismissed) sound.
1748         * @hide
1749         */
1750        public static final String UNLOCK_SOUND = "unlock_sound";
1751
1752        /**
1753         * True if we should appear as a PTP device instead of MTP.
1754         * @hide
1755         */
1756        public static final String USE_PTP_INTERFACE = "use_ptp_interface";
1757
1758        /**
1759         * Receive incoming SIP calls?
1760         * 0 = no
1761         * 1 = yes
1762         * @hide
1763         */
1764        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1765
1766        /**
1767         * Call Preference String.
1768         * "SIP_ALWAYS" : Always use SIP with network access
1769         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1770         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1771         * @hide
1772         */
1773        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1774
1775        /**
1776         * One of the sip call options: Always use SIP with network access.
1777         * @hide
1778         */
1779        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1780
1781        /**
1782         * One of the sip call options: Only if destination is a SIP address.
1783         * @hide
1784         */
1785        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1786
1787        /**
1788         * One of the sip call options: Always ask me each time.
1789         * @hide
1790         */
1791        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1792
1793        /**
1794         * Settings to backup. This is here so that it's in the same place as the settings
1795         * keys and easy to update.
1796         * @hide
1797         */
1798        public static final String[] SETTINGS_TO_BACKUP = {
1799            STAY_ON_WHILE_PLUGGED_IN,
1800            WIFI_USE_STATIC_IP,
1801            WIFI_STATIC_IP,
1802            WIFI_STATIC_GATEWAY,
1803            WIFI_STATIC_NETMASK,
1804            WIFI_STATIC_DNS1,
1805            WIFI_STATIC_DNS2,
1806            BLUETOOTH_DISCOVERABILITY,
1807            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1808            DIM_SCREEN,
1809            SCREEN_OFF_TIMEOUT,
1810            SCREEN_BRIGHTNESS,
1811            SCREEN_BRIGHTNESS_MODE,
1812            VIBRATE_ON,
1813            MODE_RINGER,
1814            MODE_RINGER_STREAMS_AFFECTED,
1815            MUTE_STREAMS_AFFECTED,
1816            VOLUME_VOICE,
1817            VOLUME_SYSTEM,
1818            VOLUME_RING,
1819            VOLUME_MUSIC,
1820            VOLUME_ALARM,
1821            VOLUME_NOTIFICATION,
1822            VOLUME_BLUETOOTH_SCO,
1823            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1824            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1825            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1826            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1827            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1828            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1829            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1830            VIBRATE_IN_SILENT,
1831            TEXT_AUTO_REPLACE,
1832            TEXT_AUTO_CAPS,
1833            TEXT_AUTO_PUNCTUATE,
1834            TEXT_SHOW_PASSWORD,
1835            AUTO_TIME,
1836            AUTO_TIME_ZONE,
1837            TIME_12_24,
1838            DATE_FORMAT,
1839            ACCELEROMETER_ROTATION,
1840            USER_ROTATION,
1841            DTMF_TONE_WHEN_DIALING,
1842            DTMF_TONE_TYPE_WHEN_DIALING,
1843            EMERGENCY_TONE,
1844            CALL_AUTO_RETRY,
1845            HEARING_AID,
1846            TTY_MODE,
1847            SOUND_EFFECTS_ENABLED,
1848            HAPTIC_FEEDBACK_ENABLED,
1849            POWER_SOUNDS_ENABLED,
1850            DOCK_SOUNDS_ENABLED,
1851            LOCKSCREEN_SOUNDS_ENABLED,
1852            SHOW_WEB_SUGGESTIONS,
1853            NOTIFICATION_LIGHT_PULSE,
1854            USE_PTP_INTERFACE,
1855            SIP_CALL_OPTIONS,
1856            SIP_RECEIVE_CALLS,
1857        };
1858
1859        // Settings moved to Settings.Secure
1860
1861        /**
1862         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1863         * instead
1864         */
1865        @Deprecated
1866        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1867
1868        /**
1869         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1870         */
1871        @Deprecated
1872        public static final String ANDROID_ID = Secure.ANDROID_ID;
1873
1874        /**
1875         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1876         */
1877        @Deprecated
1878        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1879
1880        /**
1881         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1882         */
1883        @Deprecated
1884        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1885
1886        /**
1887         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1888         */
1889        @Deprecated
1890        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1891
1892        /**
1893         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1894         */
1895        @Deprecated
1896        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1897
1898        /**
1899         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1900         */
1901        @Deprecated
1902        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1903
1904        /**
1905         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1906         * instead
1907         */
1908        @Deprecated
1909        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1910
1911        /**
1912         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1913         */
1914        @Deprecated
1915        public static final String LOGGING_ID = Secure.LOGGING_ID;
1916
1917        /**
1918         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1919         */
1920        @Deprecated
1921        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1922
1923        /**
1924         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1925         * instead
1926         */
1927        @Deprecated
1928        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1929
1930        /**
1931         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1932         * instead
1933         */
1934        @Deprecated
1935        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1936
1937        /**
1938         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1939         * instead
1940         */
1941        @Deprecated
1942        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1943            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1944
1945        /**
1946         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1947         */
1948        @Deprecated
1949        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1950
1951        /**
1952         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1953         */
1954        @Deprecated
1955        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1956
1957        /**
1958         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1959         */
1960        @Deprecated
1961        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1962
1963       /**
1964         * @deprecated Use
1965         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1966         */
1967        @Deprecated
1968        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1969
1970        /**
1971         * @deprecated Use
1972         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1973         */
1974        @Deprecated
1975        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1976                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1977
1978        /**
1979         * @deprecated Use
1980         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1981         */
1982        @Deprecated
1983        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1984            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1985
1986        /**
1987         * @deprecated Use
1988         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1989         */
1990        @Deprecated
1991        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1992            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1993
1994        /**
1995         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1996         * instead
1997         */
1998        @Deprecated
1999        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2000
2001        /**
2002         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2003         */
2004        @Deprecated
2005        public static final String WIFI_ON = Secure.WIFI_ON;
2006
2007        /**
2008         * @deprecated Use
2009         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2010         * instead
2011         */
2012        @Deprecated
2013        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2014                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2015
2016        /**
2017         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2018         */
2019        @Deprecated
2020        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2021
2022        /**
2023         * @deprecated Use
2024         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2025         */
2026        @Deprecated
2027        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2028                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2029
2030        /**
2031         * @deprecated Use
2032         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2033         */
2034        @Deprecated
2035        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2036                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2037
2038        /**
2039         * @deprecated Use
2040         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2041         * instead
2042         */
2043        @Deprecated
2044        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2045                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2046
2047        /**
2048         * @deprecated Use
2049         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2050         */
2051        @Deprecated
2052        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2053            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2054
2055        /**
2056         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2057         * instead
2058         */
2059        @Deprecated
2060        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2061
2062        /**
2063         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2064         */
2065        @Deprecated
2066        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2067
2068        /**
2069         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2070         */
2071        @Deprecated
2072        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2073
2074        /**
2075         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2076         * instead
2077         */
2078        @Deprecated
2079        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2080
2081        /**
2082         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2083         * instead
2084         */
2085        @Deprecated
2086        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2087            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2088    }
2089
2090    /**
2091     * Secure system settings, containing system preferences that applications
2092     * can read but are not allowed to write.  These are for preferences that
2093     * the user must explicitly modify through the system UI or specialized
2094     * APIs for those values, not modified directly by applications.
2095     */
2096    public static final class Secure extends NameValueTable {
2097        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2098
2099        // Populated lazily, guarded by class object:
2100        private static NameValueCache sNameValueCache = null;
2101
2102        /**
2103         * Look up a name in the database.
2104         * @param resolver to access the database with
2105         * @param name to look up in the table
2106         * @return the corresponding value, or null if not present
2107         */
2108        public synchronized static String getString(ContentResolver resolver, String name) {
2109            if (sNameValueCache == null) {
2110                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2111                                                     CALL_METHOD_GET_SECURE);
2112            }
2113            return sNameValueCache.getString(resolver, name);
2114        }
2115
2116        /**
2117         * Store a name/value pair into the database.
2118         * @param resolver to access the database with
2119         * @param name to store
2120         * @param value to associate with the name
2121         * @return true if the value was set, false on database errors
2122         */
2123        public static boolean putString(ContentResolver resolver,
2124                String name, String value) {
2125            return putString(resolver, CONTENT_URI, name, value);
2126        }
2127
2128        /**
2129         * Construct the content URI for a particular name/value pair,
2130         * useful for monitoring changes with a ContentObserver.
2131         * @param name to look up in the table
2132         * @return the corresponding content URI, or null if not present
2133         */
2134        public static Uri getUriFor(String name) {
2135            return getUriFor(CONTENT_URI, name);
2136        }
2137
2138        /**
2139         * Convenience function for retrieving a single secure settings value
2140         * as an integer.  Note that internally setting values are always
2141         * stored as strings; this function converts the string to an integer
2142         * for you.  The default value will be returned if the setting is
2143         * not defined or not an integer.
2144         *
2145         * @param cr The ContentResolver to access.
2146         * @param name The name of the setting to retrieve.
2147         * @param def Value to return if the setting is not defined.
2148         *
2149         * @return The setting's current value, or 'def' if it is not defined
2150         * or not a valid integer.
2151         */
2152        public static int getInt(ContentResolver cr, String name, int def) {
2153            String v = getString(cr, name);
2154            try {
2155                return v != null ? Integer.parseInt(v) : def;
2156            } catch (NumberFormatException e) {
2157                return def;
2158            }
2159        }
2160
2161        /**
2162         * Convenience function for retrieving a single secure settings value
2163         * as an integer.  Note that internally setting values are always
2164         * stored as strings; this function converts the string to an integer
2165         * for you.
2166         * <p>
2167         * This version does not take a default value.  If the setting has not
2168         * been set, or the string value is not a number,
2169         * it throws {@link SettingNotFoundException}.
2170         *
2171         * @param cr The ContentResolver to access.
2172         * @param name The name of the setting to retrieve.
2173         *
2174         * @throws SettingNotFoundException Thrown if a setting by the given
2175         * name can't be found or the setting value is not an integer.
2176         *
2177         * @return The setting's current value.
2178         */
2179        public static int getInt(ContentResolver cr, String name)
2180                throws SettingNotFoundException {
2181            String v = getString(cr, name);
2182            try {
2183                return Integer.parseInt(v);
2184            } catch (NumberFormatException e) {
2185                throw new SettingNotFoundException(name);
2186            }
2187        }
2188
2189        /**
2190         * Convenience function for updating a single settings value as an
2191         * integer. This will either create a new entry in the table if the
2192         * given name does not exist, or modify the value of the existing row
2193         * with that name.  Note that internally setting values are always
2194         * stored as strings, so this function converts the given value to a
2195         * string before storing it.
2196         *
2197         * @param cr The ContentResolver to access.
2198         * @param name The name of the setting to modify.
2199         * @param value The new value for the setting.
2200         * @return true if the value was set, false on database errors
2201         */
2202        public static boolean putInt(ContentResolver cr, String name, int value) {
2203            return putString(cr, name, Integer.toString(value));
2204        }
2205
2206        /**
2207         * Convenience function for retrieving a single secure settings value
2208         * as a {@code long}.  Note that internally setting values are always
2209         * stored as strings; this function converts the string to a {@code long}
2210         * for you.  The default value will be returned if the setting is
2211         * not defined or not a {@code long}.
2212         *
2213         * @param cr The ContentResolver to access.
2214         * @param name The name of the setting to retrieve.
2215         * @param def Value to return if the setting is not defined.
2216         *
2217         * @return The setting's current value, or 'def' if it is not defined
2218         * or not a valid {@code long}.
2219         */
2220        public static long getLong(ContentResolver cr, String name, long def) {
2221            String valString = getString(cr, name);
2222            long value;
2223            try {
2224                value = valString != null ? Long.parseLong(valString) : def;
2225            } catch (NumberFormatException e) {
2226                value = def;
2227            }
2228            return value;
2229        }
2230
2231        /**
2232         * Convenience function for retrieving a single secure settings value
2233         * as a {@code long}.  Note that internally setting values are always
2234         * stored as strings; this function converts the string to a {@code long}
2235         * for you.
2236         * <p>
2237         * This version does not take a default value.  If the setting has not
2238         * been set, or the string value is not a number,
2239         * it throws {@link SettingNotFoundException}.
2240         *
2241         * @param cr The ContentResolver to access.
2242         * @param name The name of the setting to retrieve.
2243         *
2244         * @return The setting's current value.
2245         * @throws SettingNotFoundException Thrown if a setting by the given
2246         * name can't be found or the setting value is not an integer.
2247         */
2248        public static long getLong(ContentResolver cr, String name)
2249                throws SettingNotFoundException {
2250            String valString = getString(cr, name);
2251            try {
2252                return Long.parseLong(valString);
2253            } catch (NumberFormatException e) {
2254                throw new SettingNotFoundException(name);
2255            }
2256        }
2257
2258        /**
2259         * Convenience function for updating a secure settings value as a long
2260         * integer. This will either create a new entry in the table if the
2261         * given name does not exist, or modify the value of the existing row
2262         * with that name.  Note that internally setting values are always
2263         * stored as strings, so this function converts the given value to a
2264         * string before storing it.
2265         *
2266         * @param cr The ContentResolver to access.
2267         * @param name The name of the setting to modify.
2268         * @param value The new value for the setting.
2269         * @return true if the value was set, false on database errors
2270         */
2271        public static boolean putLong(ContentResolver cr, String name, long value) {
2272            return putString(cr, name, Long.toString(value));
2273        }
2274
2275        /**
2276         * Convenience function for retrieving a single secure settings value
2277         * as a floating point number.  Note that internally setting values are
2278         * always stored as strings; this function converts the string to an
2279         * float for you. The default value will be returned if the setting
2280         * is not defined or not a valid float.
2281         *
2282         * @param cr The ContentResolver to access.
2283         * @param name The name of the setting to retrieve.
2284         * @param def Value to return if the setting is not defined.
2285         *
2286         * @return The setting's current value, or 'def' if it is not defined
2287         * or not a valid float.
2288         */
2289        public static float getFloat(ContentResolver cr, String name, float def) {
2290            String v = getString(cr, name);
2291            try {
2292                return v != null ? Float.parseFloat(v) : def;
2293            } catch (NumberFormatException e) {
2294                return def;
2295            }
2296        }
2297
2298        /**
2299         * Convenience function for retrieving a single secure settings value
2300         * as a float.  Note that internally setting values are always
2301         * stored as strings; this function converts the string to a float
2302         * for you.
2303         * <p>
2304         * This version does not take a default value.  If the setting has not
2305         * been set, or the string value is not a number,
2306         * it throws {@link SettingNotFoundException}.
2307         *
2308         * @param cr The ContentResolver to access.
2309         * @param name The name of the setting to retrieve.
2310         *
2311         * @throws SettingNotFoundException Thrown if a setting by the given
2312         * name can't be found or the setting value is not a float.
2313         *
2314         * @return The setting's current value.
2315         */
2316        public static float getFloat(ContentResolver cr, String name)
2317                throws SettingNotFoundException {
2318            String v = getString(cr, name);
2319            if (v == null) {
2320                throw new SettingNotFoundException(name);
2321            }
2322            try {
2323                return Float.parseFloat(v);
2324            } catch (NumberFormatException e) {
2325                throw new SettingNotFoundException(name);
2326            }
2327        }
2328
2329        /**
2330         * Convenience function for updating a single settings value as a
2331         * floating point number. This will either create a new entry in the
2332         * table if the given name does not exist, or modify the value of the
2333         * existing row with that name.  Note that internally setting values
2334         * are always stored as strings, so this function converts the given
2335         * value to a string before storing it.
2336         *
2337         * @param cr The ContentResolver to access.
2338         * @param name The name of the setting to modify.
2339         * @param value The new value for the setting.
2340         * @return true if the value was set, false on database errors
2341         */
2342        public static boolean putFloat(ContentResolver cr, String name, float value) {
2343            return putString(cr, name, Float.toString(value));
2344        }
2345
2346        /**
2347         * The content:// style URL for this table
2348         */
2349        public static final Uri CONTENT_URI =
2350            Uri.parse("content://" + AUTHORITY + "/secure");
2351
2352        /**
2353         * Whether ADB is enabled.
2354         */
2355        public static final String ADB_ENABLED = "adb_enabled";
2356
2357        /**
2358         * Setting to allow mock locations and location provider status to be injected into the
2359         * LocationManager service for testing purposes during application development.  These
2360         * locations and status values  override actual location and status information generated
2361         * by network, gps, or other location providers.
2362         */
2363        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2364
2365        /**
2366         * A 64-bit number (as a hex string) that is randomly
2367         * generated on the device's first boot and should remain
2368         * constant for the lifetime of the device.  (The value may
2369         * change if a factory reset is performed on the device.)
2370         */
2371        public static final String ANDROID_ID = "android_id";
2372
2373        /**
2374         * Whether bluetooth is enabled/disabled
2375         * 0=disabled. 1=enabled.
2376         */
2377        public static final String BLUETOOTH_ON = "bluetooth_on";
2378
2379        /**
2380         * Get the key that retrieves a bluetooth headset's priority.
2381         * @hide
2382         */
2383        public static final String getBluetoothHeadsetPriorityKey(String address) {
2384            return ("bluetooth_headset_priority_" + address.toUpperCase());
2385        }
2386
2387        /**
2388         * Get the key that retrieves a bluetooth a2dp sink's priority.
2389         * @hide
2390         */
2391        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2392            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2393        }
2394
2395        /**
2396         * Get the key that retrieves a bluetooth Input Device's priority.
2397         * @hide
2398         */
2399        public static final String getBluetoothInputDevicePriorityKey(String address) {
2400            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2401        }
2402
2403        /**
2404         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2405         */
2406        public static final String DATA_ROAMING = "data_roaming";
2407
2408        /**
2409         * Setting to record the input method used by default, holding the ID
2410         * of the desired method.
2411         */
2412        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2413
2414        /**
2415         * Setting to record the input method subtype used by default, holding the ID
2416         * of the desired method.
2417         */
2418        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2419                "selected_input_method_subtype";
2420
2421        /**
2422         * Setting to record the history of input method subtype, holding the pair of ID of IME
2423         * and its last used subtype.
2424         * @hide
2425         */
2426        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2427                "input_methods_subtype_history";
2428
2429        /**
2430         * Setting to record the visibility of input method selector
2431         */
2432        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2433                "input_method_selector_visibility";
2434
2435        /**
2436         * Whether the device has been provisioned (0 = false, 1 = true)
2437         */
2438        public static final String DEVICE_PROVISIONED = "device_provisioned";
2439
2440        /**
2441         * List of input methods that are currently enabled.  This is a string
2442         * containing the IDs of all enabled input methods, each ID separated
2443         * by ':'.
2444         */
2445        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2446
2447        /**
2448         * List of system input methods that are currently disabled.  This is a string
2449         * containing the IDs of all disabled input methods, each ID separated
2450         * by ':'.
2451         * @hide
2452         */
2453        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2454
2455        /**
2456         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2457         * TODO - deprecate in favor of global_http_proxy_host, etc
2458         */
2459        public static final String HTTP_PROXY = "http_proxy";
2460
2461        /**
2462         * Host name for global http proxy.  Set via ConnectivityManager.
2463         * @hide
2464         */
2465        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2466
2467        /**
2468         * Integer host port for global http proxy.  Set via ConnectivityManager.
2469         * @hide
2470         */
2471        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2472
2473        /**
2474         * Exclusion list for global proxy. This string contains a list of comma-separated
2475         * domains where the global proxy does not apply. Domains should be listed in a comma-
2476         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2477         * Use ConnectivityManager to set/get.
2478         * @hide
2479         */
2480        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2481                "global_http_proxy_exclusion_list";
2482
2483        /**
2484         * Enables the UI setting to allow the user to specify the global HTTP proxy
2485         * and associated exclusion list.
2486         * @hide
2487         */
2488        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2489
2490        /**
2491         * Setting for default DNS in case nobody suggests one
2492         * @hide
2493         */
2494        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2495
2496        /**
2497         * Whether the package installer should allow installation of apps downloaded from
2498         * sources other than the Android Market (vending machine).
2499         *
2500         * 1 = allow installing from other sources
2501         * 0 = only allow installing from the Android Market
2502         */
2503        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2504
2505        /**
2506         * Comma-separated list of location providers that activities may access.
2507         */
2508        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2509
2510        /**
2511         * Whether autolock is enabled (0 = false, 1 = true)
2512         */
2513        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2514
2515        /**
2516         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2517         */
2518        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2519
2520        /**
2521         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2522         */
2523        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2524            "lock_pattern_tactile_feedback_enabled";
2525
2526        /**
2527         * This preference allows the device to be locked given time after screen goes off,
2528         * subject to current DeviceAdmin policy limits.
2529         * @hide
2530         */
2531        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2532
2533
2534        /**
2535         * This preference contains the string that shows for owner info on LockScren.
2536         * @hide
2537         */
2538        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2539
2540        /**
2541         * This preference enables showing the owner info on LockScren.
2542         * @hide
2543         */
2544        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2545            "lock_screen_owner_info_enabled";
2546
2547        /**
2548         * The saved value for WindowManagerService.setForcedDisplaySize().
2549         * Two integers separated by a comma.  If unset, then use the real display size.
2550         * @hide
2551         */
2552        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2553
2554        /**
2555         * Whether assisted GPS should be enabled or not.
2556         * @hide
2557         */
2558        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2559
2560        /**
2561         * The Logging ID (a unique 64-bit value) as a hex string.
2562         * Used as a pseudonymous identifier for logging.
2563         * @deprecated This identifier is poorly initialized and has
2564         * many collisions.  It should not be used.
2565         */
2566        @Deprecated
2567        public static final String LOGGING_ID = "logging_id";
2568
2569        /**
2570         * User preference for which network(s) should be used. Only the
2571         * connectivity service should touch this.
2572         */
2573        public static final String NETWORK_PREFERENCE = "network_preference";
2574
2575        /**
2576         * Used to disable Tethering on a device - defaults to true
2577         * @hide
2578         */
2579        public static final String TETHER_SUPPORTED = "tether_supported";
2580
2581        /**
2582         * Used to require DUN APN on the device or not - defaults to a build config value
2583         * which defaults to false
2584         * @hide
2585         */
2586        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2587
2588        /**
2589         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2590         * corresponding build config values are set it will override the APN DB
2591         * values.
2592         * Consists of a comma seperated list of strings:
2593         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2594         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2595         * @hide
2596         */
2597        public static final String TETHER_DUN_APN = "tether_dun_apn";
2598
2599        /**
2600         * No longer supported.
2601         */
2602        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2603
2604        /**
2605         * No longer supported.
2606         */
2607        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2608
2609        /**
2610         * No longer supported.
2611         */
2612        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2613
2614        /**
2615         * A positive value indicates how often the SamplingProfiler
2616         * should take snapshots. Zero value means SamplingProfiler
2617         * is disabled.
2618         *
2619         * @hide
2620         */
2621        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2622
2623        /**
2624         * Settings classname to launch when Settings is clicked from All
2625         * Applications.  Needed because of user testing between the old
2626         * and new Settings apps.
2627         */
2628        // TODO: 881807
2629        public static final String SETTINGS_CLASSNAME = "settings_classname";
2630
2631        /**
2632         * USB Mass Storage Enabled
2633         */
2634        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2635
2636        /**
2637         * If this setting is set (to anything), then all references
2638         * to Gmail on the device must change to Google Mail.
2639         */
2640        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2641
2642        /**
2643         * If accessibility is enabled.
2644         */
2645        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2646
2647        /**
2648         * List of the enabled accessibility providers.
2649         */
2650        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2651            "enabled_accessibility_services";
2652
2653        /**
2654         * If injection of accessibility enhancing JavaScript scripts
2655         * is enabled.
2656         * <p>
2657         *   Note: Accessibility injecting scripts are served by the
2658         *   Google infrastructure and enable users with disabilities to
2659         *   efficiantly navigate in and explore web content.
2660         * </p>
2661         * <p>
2662         *   This property represents a boolean value.
2663         * </p>
2664         * @hide
2665         */
2666        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2667            "accessibility_script_injection";
2668
2669        /**
2670         * Key bindings for navigation in built-in accessibility support for web content.
2671         * <p>
2672         *   Note: These key bindings are for the built-in accessibility navigation for
2673         *   web content which is used as a fall back solution if JavaScript in a WebView
2674         *   is not enabled or the user has not opted-in script injection from Google.
2675         * </p>
2676         * <p>
2677         *   The bindings are separated by semi-colon. A binding is a mapping from
2678         *   a key to a sequence of actions (for more details look at
2679         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2680         *   string representation of an integer obtained from a meta state (optional) shifted
2681         *   sixteen times left and bitwise ored with a key code. An action is represented
2682         *   as a hexademical string representation of an integer where the first two digits
2683         *   are navigation action index, the second, the third, and the fourth digit pairs
2684         *   represent the action arguments. The separate actions in a binding are colon
2685         *   separated. The key and the action sequence it maps to are separated by equals.
2686         * </p>
2687         * <p>
2688         *   For example, the binding below maps the DPAD right button to traverse the
2689         *   current navigation axis once without firing an accessibility event and to
2690         *   perform the same traversal again but to fire an event:
2691         *   <code>
2692         *     0x16=0x01000100:0x01000101;
2693         *   </code>
2694         * </p>
2695         * <p>
2696         *   The goal of this binding is to enable dynamic rebinding of keys to
2697         *   navigation actions for web content without requiring a framework change.
2698         * </p>
2699         * <p>
2700         *   This property represents a string value.
2701         * </p>
2702         * @hide
2703         */
2704        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2705            "accessibility_web_content_key_bindings";
2706
2707        /**
2708         * The timout for considering a press to be a long press in milliseconds.
2709         * @hide
2710         */
2711        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2712
2713        /**
2714         * Setting to always use the default text-to-speech settings regardless
2715         * of the application settings.
2716         * 1 = override application settings,
2717         * 0 = use application settings (if specified).
2718         */
2719        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2720
2721        /**
2722         * Default text-to-speech engine speech rate. 100 = 1x
2723         */
2724        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2725
2726        /**
2727         * Default text-to-speech engine pitch. 100 = 1x
2728         */
2729        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2730
2731        /**
2732         * Default text-to-speech engine.
2733         */
2734        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2735
2736        /**
2737         * Default text-to-speech language.
2738         */
2739        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2740
2741        /**
2742         * Default text-to-speech country.
2743         */
2744        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2745
2746        /**
2747         * Default text-to-speech locale variant.
2748         */
2749        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2750
2751        /**
2752         * Space delimited list of plugin packages that are enabled.
2753         */
2754        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2755
2756        /**
2757         * Whether to notify the user of open networks.
2758         * <p>
2759         * If not connected and the scan results have an open network, we will
2760         * put this notification up. If we attempt to connect to a network or
2761         * the open network(s) disappear, we remove the notification. When we
2762         * show the notification, we will not show it again for
2763         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2764         */
2765        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2766                "wifi_networks_available_notification_on";
2767
2768        /**
2769         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2770         * Connecting to a network will reset the timer.
2771         */
2772        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2773                "wifi_networks_available_repeat_delay";
2774
2775        /**
2776         * 802.11 country code in ISO 3166 format
2777         * @hide
2778         */
2779        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2780
2781
2782        /**
2783         * When the number of open networks exceeds this number, the
2784         * least-recently-used excess networks will be removed.
2785         */
2786        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2787
2788        /**
2789         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2790         */
2791        public static final String WIFI_ON = "wifi_on";
2792
2793        /**
2794         * Used to save the Wifi_ON state prior to tethering.
2795         * This state will be checked to restore Wifi after
2796         * the user turns off tethering.
2797         *
2798         * @hide
2799         */
2800        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2801
2802        /**
2803         * AP SSID
2804         *
2805         * @hide
2806         */
2807        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2808
2809        /**
2810         * AP security
2811         *
2812         * @hide
2813         */
2814        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2815
2816        /**
2817         * AP passphrase
2818         *
2819         * @hide
2820         */
2821        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2822
2823        /**
2824         * The acceptable packet loss percentage (range 0 - 100) before trying
2825         * another AP on the same network.
2826         */
2827        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2828                "wifi_watchdog_acceptable_packet_loss_percentage";
2829
2830        /**
2831         * The number of access points required for a network in order for the
2832         * watchdog to monitor it.
2833         */
2834        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2835
2836        /**
2837         * The delay between background checks.
2838         */
2839        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2840                "wifi_watchdog_background_check_delay_ms";
2841
2842        /**
2843         * Whether the Wi-Fi watchdog is enabled for background checking even
2844         * after it thinks the user has connected to a good access point.
2845         */
2846        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2847                "wifi_watchdog_background_check_enabled";
2848
2849        /**
2850         * The timeout for a background ping
2851         */
2852        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2853                "wifi_watchdog_background_check_timeout_ms";
2854
2855        /**
2856         * The number of initial pings to perform that *may* be ignored if they
2857         * fail. Again, if these fail, they will *not* be used in packet loss
2858         * calculation. For example, one network always seemed to time out for
2859         * the first couple pings, so this is set to 3 by default.
2860         */
2861        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2862            "wifi_watchdog_initial_ignored_ping_count";
2863
2864        /**
2865         * The maximum number of access points (per network) to attempt to test.
2866         * If this number is reached, the watchdog will no longer monitor the
2867         * initial connection state for the network. This is a safeguard for
2868         * networks containing multiple APs whose DNS does not respond to pings.
2869         */
2870        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2871
2872        /**
2873         * Whether the Wi-Fi watchdog is enabled.
2874         */
2875        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2876
2877        /**
2878         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2879         */
2880        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2881
2882        /**
2883         * The number of pings to test if an access point is a good connection.
2884         */
2885        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2886
2887        /**
2888         * The delay between pings.
2889         */
2890        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2891
2892        /**
2893         * The timeout per ping.
2894         */
2895        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2896
2897        /**
2898         * The maximum number of times we will retry a connection to an access
2899         * point for which we have failed in acquiring an IP address from DHCP.
2900         * A value of N means that we will make N+1 connection attempts in all.
2901         */
2902        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2903
2904        /**
2905         * The operational wifi frequency band
2906         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
2907         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
2908         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
2909         *
2910         * @hide
2911         */
2912        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
2913
2914        /**
2915         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2916         * data connectivity to be established after a disconnect from Wi-Fi.
2917         */
2918        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2919            "wifi_mobile_data_transition_wakelock_timeout_ms";
2920
2921        /**
2922         * Whether background data usage is allowed by the user. See
2923         * ConnectivityManager for more info.
2924         */
2925        public static final String BACKGROUND_DATA = "background_data";
2926
2927        /**
2928         * Origins for which browsers should allow geolocation by default.
2929         * The value is a space-separated list of origins.
2930         */
2931        public static final String ALLOWED_GEOLOCATION_ORIGINS
2932                = "allowed_geolocation_origins";
2933
2934        /**
2935         * Whether mobile data connections are allowed by the user.  See
2936         * ConnectivityManager for more info.
2937         * @hide
2938         */
2939        public static final String MOBILE_DATA = "mobile_data";
2940
2941        /**
2942         * The CDMA roaming mode 0 = Home Networks, CDMA default
2943         *                       1 = Roaming on Affiliated networks
2944         *                       2 = Roaming on any networks
2945         * @hide
2946         */
2947        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2948
2949        /**
2950         * The CDMA subscription mode 0 = RUIM/SIM (default)
2951         *                                1 = NV
2952         * @hide
2953         */
2954        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2955
2956        /**
2957         * The preferred network mode   7 = Global
2958         *                              6 = EvDo only
2959         *                              5 = CDMA w/o EvDo
2960         *                              4 = CDMA / EvDo auto
2961         *                              3 = GSM / WCDMA auto
2962         *                              2 = WCDMA only
2963         *                              1 = GSM only
2964         *                              0 = GSM / WCDMA preferred
2965         * @hide
2966         */
2967        public static final String PREFERRED_NETWORK_MODE =
2968                "preferred_network_mode";
2969
2970        /**
2971         * The preferred TTY mode     0 = TTy Off, CDMA default
2972         *                            1 = TTY Full
2973         *                            2 = TTY HCO
2974         *                            3 = TTY VCO
2975         * @hide
2976         */
2977        public static final String PREFERRED_TTY_MODE =
2978                "preferred_tty_mode";
2979
2980
2981        /**
2982         * CDMA Cell Broadcast SMS
2983         *                            0 = CDMA Cell Broadcast SMS disabled
2984         *                            1 = CDMA Cell Broadcast SMS enabled
2985         * @hide
2986         */
2987        public static final String CDMA_CELL_BROADCAST_SMS =
2988                "cdma_cell_broadcast_sms";
2989
2990        /**
2991         * The cdma subscription 0 = Subscription from RUIM, when available
2992         *                       1 = Subscription from NV
2993         * @hide
2994         */
2995        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2996                "preferred_cdma_subscription";
2997
2998        /**
2999         * Whether the enhanced voice privacy mode is enabled.
3000         * 0 = normal voice privacy
3001         * 1 = enhanced voice privacy
3002         * @hide
3003         */
3004        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3005
3006        /**
3007         * Whether the TTY mode mode is enabled.
3008         * 0 = disabled
3009         * 1 = enabled
3010         * @hide
3011         */
3012        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3013
3014        /**
3015         * Controls whether settings backup is enabled.
3016         * Type: int ( 0 = disabled, 1 = enabled )
3017         * @hide
3018         */
3019        public static final String BACKUP_ENABLED = "backup_enabled";
3020
3021        /**
3022         * Controls whether application data is automatically restored from backup
3023         * at install time.
3024         * Type: int ( 0 = disabled, 1 = enabled )
3025         * @hide
3026         */
3027        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3028
3029        /**
3030         * Indicates whether settings backup has been fully provisioned.
3031         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3032         * @hide
3033         */
3034        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3035
3036        /**
3037         * Component of the transport to use for backup/restore.
3038         * @hide
3039         */
3040        public static final String BACKUP_TRANSPORT = "backup_transport";
3041
3042        /**
3043         * Version for which the setup wizard was last shown.  Bumped for
3044         * each release when there is new setup information to show.
3045         * @hide
3046         */
3047        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3048
3049        /**
3050         * How frequently (in seconds) to check the memory status of the
3051         * device.
3052         * @hide
3053         */
3054        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3055
3056        /**
3057         * Max frequency (in seconds) to log memory check stats, in realtime
3058         * seconds.  This allows for throttling of logs when the device is
3059         * running for large amounts of time.
3060         * @hide
3061         */
3062        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3063                "memcheck_log_realtime_interval";
3064
3065        /**
3066         * Boolean indicating whether rebooting due to system memory checks
3067         * is enabled.
3068         * @hide
3069         */
3070        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3071
3072        /**
3073         * How many bytes the system process must be below to avoid scheduling
3074         * a soft reboot.  This reboot will happen when it is next determined
3075         * to be a good time.
3076         * @hide
3077         */
3078        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3079
3080        /**
3081         * How many bytes the system process must be below to avoid scheduling
3082         * a hard reboot.  This reboot will happen immediately.
3083         * @hide
3084         */
3085        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3086
3087        /**
3088         * How many bytes the phone process must be below to avoid scheduling
3089         * a soft restart.  This restart will happen when it is next determined
3090         * to be a good time.
3091         * @hide
3092         */
3093        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3094
3095        /**
3096         * How many bytes the phone process must be below to avoid scheduling
3097         * a hard restart.  This restart will happen immediately.
3098         * @hide
3099         */
3100        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3101
3102        /**
3103         * Boolean indicating whether restarting the phone process due to
3104         * memory checks is enabled.
3105         * @hide
3106         */
3107        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3108
3109        /**
3110         * First time during the day it is okay to kill processes
3111         * or reboot the device due to low memory situations.  This number is
3112         * in seconds since midnight.
3113         * @hide
3114         */
3115        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3116
3117        /**
3118         * Last time during the day it is okay to kill processes
3119         * or reboot the device due to low memory situations.  This number is
3120         * in seconds since midnight.
3121         * @hide
3122         */
3123        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3124
3125        /**
3126         * How long the screen must have been off in order to kill processes
3127         * or reboot.  This number is in seconds.  A value of -1 means to
3128         * entirely disregard whether the screen is on.
3129         * @hide
3130         */
3131        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3132
3133        /**
3134         * How much time there must be until the next alarm in order to kill processes
3135         * or reboot.  This number is in seconds.  Note: this value must be
3136         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3137         * always see an alarm scheduled within its time.
3138         * @hide
3139         */
3140        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3141
3142        /**
3143         * How frequently to check whether it is a good time to restart things,
3144         * if the device is in a bad state.  This number is in seconds.  Note:
3145         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3146         * the alarm to schedule the recheck will always appear within the
3147         * minimum "do not execute now" time.
3148         * @hide
3149         */
3150        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3151
3152        /**
3153         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3154         * will occur.
3155         * @hide
3156         */
3157        public static final String REBOOT_INTERVAL = "reboot_interval";
3158
3159        /**
3160         * First time during the day it is okay to force a reboot of the
3161         * device (if REBOOT_INTERVAL is set).  This number is
3162         * in seconds since midnight.
3163         * @hide
3164         */
3165        public static final String REBOOT_START_TIME = "reboot_start_time";
3166
3167        /**
3168         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3169         * a reboot can be executed.  If 0, a reboot will always be executed at
3170         * exactly the given time.  Otherwise, it will only be executed if
3171         * the device is idle within the window.
3172         * @hide
3173         */
3174        public static final String REBOOT_WINDOW = "reboot_window";
3175
3176        /**
3177         * Threshold values for the duration and level of a discharge cycle, under
3178         * which we log discharge cycle info.
3179         * @hide
3180         */
3181        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3182                "battery_discharge_duration_threshold";
3183        /** @hide */
3184        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3185
3186        /**
3187         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3188         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3189         * will never display the "Report" button.
3190         * Type: int ( 0 = disallow, 1 = allow )
3191         * @hide
3192         */
3193        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3194
3195        /**
3196         * Nonzero causes Log.wtf() to crash.
3197         * @hide
3198         */
3199        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3200
3201        /**
3202         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3203         * @hide
3204         */
3205        public static final String DROPBOX_AGE_SECONDS =
3206                "dropbox_age_seconds";
3207        /**
3208         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3209         * @hide
3210         */
3211        public static final String DROPBOX_MAX_FILES =
3212                "dropbox_max_files";
3213        /**
3214         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3215         * @hide
3216         */
3217        public static final String DROPBOX_QUOTA_KB =
3218                "dropbox_quota_kb";
3219        /**
3220         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3221         * @hide
3222         */
3223        public static final String DROPBOX_QUOTA_PERCENT =
3224                "dropbox_quota_percent";
3225        /**
3226         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3227         * @hide
3228         */
3229        public static final String DROPBOX_RESERVE_PERCENT =
3230                "dropbox_reserve_percent";
3231        /**
3232         * Prefix for per-tag dropbox disable/enable settings.
3233         * @hide
3234         */
3235        public static final String DROPBOX_TAG_PREFIX =
3236                "dropbox:";
3237        /**
3238         * Lines of logcat to include with system crash/ANR/etc. reports,
3239         * as a prefix of the dropbox tag of the report type.
3240         * For example, "logcat_for_system_server_anr" controls the lines
3241         * of logcat captured with system server ANR reports.  0 to disable.
3242         * @hide
3243         */
3244        public static final String ERROR_LOGCAT_PREFIX =
3245                "logcat_for_";
3246
3247
3248        /**
3249         * Screen timeout in milliseconds corresponding to the
3250         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3251         * possible screen timeout behavior.)
3252         * @hide
3253         */
3254        public static final String SHORT_KEYLIGHT_DELAY_MS =
3255                "short_keylight_delay_ms";
3256
3257        /**
3258         * The interval in minutes after which the amount of free storage left on the
3259         * device is logged to the event log
3260         * @hide
3261         */
3262        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3263                "sys_free_storage_log_interval";
3264
3265        /**
3266         * Threshold for the amount of change in disk free space required to report the amount of
3267         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3268         * frequently.
3269         * @hide
3270         */
3271        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3272                "disk_free_change_reporting_threshold";
3273
3274
3275        /**
3276         * Minimum percentage of free storage on the device that is used to determine if
3277         * the device is running low on storage.  The default is 10.
3278         * <p>Say this value is set to 10, the device is considered running low on storage
3279         * if 90% or more of the device storage is filled up.
3280         * @hide
3281         */
3282        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3283                "sys_storage_threshold_percentage";
3284
3285        /**
3286         * Maximum byte size of the low storage threshold.  This is to ensure
3287         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3288         * an overly large threshold for large storage devices.  Currently this
3289         * must be less than 2GB.  This default is 500MB.
3290         * @hide
3291         */
3292        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3293                "sys_storage_threshold_max_bytes";
3294
3295        /**
3296         * Minimum bytes of free storage on the device before the data
3297         * partition is considered full. By default, 1 MB is reserved
3298         * to avoid system-wide SQLite disk full exceptions.
3299         * @hide
3300         */
3301        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3302                "sys_storage_full_threshold_bytes";
3303
3304        /**
3305         * The interval in milliseconds after which Wi-Fi is considered idle.
3306         * When idle, it is possible for the device to be switched from Wi-Fi to
3307         * the mobile data network.
3308         * @hide
3309         */
3310        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3311
3312        /**
3313         * The interval in milliseconds to issue scans when the driver is
3314         * started. This is necessary to allow wifi to connect to an
3315         * access point when the driver is suspended.
3316         * @hide
3317         */
3318        public static final String WIFI_SCAN_INTERVAL_MS = "wifi_scan_interval_ms";
3319
3320        /**
3321         * The interval in milliseconds at which to check packet counts on the
3322         * mobile data interface when screen is on, to detect possible data
3323         * connection problems.
3324         * @hide
3325         */
3326        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3327                "pdp_watchdog_poll_interval_ms";
3328
3329        /**
3330         * The interval in milliseconds at which to check packet counts on the
3331         * mobile data interface when screen is off, to detect possible data
3332         * connection problems.
3333         * @hide
3334         */
3335        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3336                "pdp_watchdog_long_poll_interval_ms";
3337
3338        /**
3339         * The interval in milliseconds at which to check packet counts on the
3340         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3341         * outgoing packets has been reached without incoming packets.
3342         * @hide
3343         */
3344        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3345                "pdp_watchdog_error_poll_interval_ms";
3346
3347        /**
3348         * The number of outgoing packets sent without seeing an incoming packet
3349         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3350         * device is logged to the event log
3351         * @hide
3352         */
3353        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3354                "pdp_watchdog_trigger_packet_count";
3355
3356        /**
3357         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3358         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3359         * attempting data connection recovery.
3360         * @hide
3361         */
3362        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3363                "pdp_watchdog_error_poll_count";
3364
3365        /**
3366         * The number of failed PDP reset attempts before moving to something more
3367         * drastic: re-registering to the network.
3368         * @hide
3369         */
3370        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3371                "pdp_watchdog_max_pdp_reset_fail_count";
3372
3373        /**
3374         * The interval in milliseconds at which to check gprs registration
3375         * after the first registration mismatch of gprs and voice service,
3376         * to detect possible data network registration problems.
3377         *
3378         * @hide
3379         */
3380        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3381                "gprs_register_check_period_ms";
3382
3383        /**
3384         * The length of time in milli-seconds that automatic small adjustments to
3385         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3386         * @hide
3387         */
3388        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3389
3390        /**
3391         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3392         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3393         * exceeded.
3394         * @hide
3395         */
3396        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3397
3398        /**
3399         * The maximum reconnect delay for short network outages or when the network is suspended
3400         * due to phone use.
3401         * @hide
3402         */
3403        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3404                "sync_max_retry_delay_in_seconds";
3405
3406        /**
3407         * The interval in milliseconds at which to check the number of SMS sent
3408         * out without asking for use permit, to limit the un-authorized SMS
3409         * usage.
3410         * @hide
3411         */
3412        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3413                "sms_outgoing_check_interval_ms";
3414
3415        /**
3416         * The number of outgoing SMS sent without asking for user permit
3417         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3418         * @hide
3419         */
3420        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3421                "sms_outgoing_check_max_count";
3422
3423        /**
3424         * The number of promoted sources in GlobalSearch.
3425         * @hide
3426         */
3427        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3428        /**
3429         * The maximum number of suggestions returned by GlobalSearch.
3430         * @hide
3431         */
3432        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3433        /**
3434         * The number of suggestions GlobalSearch will ask each non-web search source for.
3435         * @hide
3436         */
3437        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3438        /**
3439         * The number of suggestions the GlobalSearch will ask the web search source for.
3440         * @hide
3441         */
3442        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3443                "search_web_results_override_limit";
3444        /**
3445         * The number of milliseconds that GlobalSearch will wait for suggestions from
3446         * promoted sources before continuing with all other sources.
3447         * @hide
3448         */
3449        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3450                "search_promoted_source_deadline_millis";
3451        /**
3452         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3453         * @hide
3454         */
3455        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3456        /**
3457         * The maximum number of milliseconds that GlobalSearch shows the previous results
3458         * after receiving a new query.
3459         * @hide
3460         */
3461        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3462        /**
3463         * The maximum age of log data used for shortcuts in GlobalSearch.
3464         * @hide
3465         */
3466        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3467        /**
3468         * The maximum age of log data used for source ranking in GlobalSearch.
3469         * @hide
3470         */
3471        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3472                "search_max_source_event_age_millis";
3473        /**
3474         * The minimum number of impressions needed to rank a source in GlobalSearch.
3475         * @hide
3476         */
3477        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3478                "search_min_impressions_for_source_ranking";
3479        /**
3480         * The minimum number of clicks needed to rank a source in GlobalSearch.
3481         * @hide
3482         */
3483        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3484                "search_min_clicks_for_source_ranking";
3485        /**
3486         * The maximum number of shortcuts shown by GlobalSearch.
3487         * @hide
3488         */
3489        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3490        /**
3491         * The size of the core thread pool for suggestion queries in GlobalSearch.
3492         * @hide
3493         */
3494        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3495                "search_query_thread_core_pool_size";
3496        /**
3497         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3498         * @hide
3499         */
3500        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3501                "search_query_thread_max_pool_size";
3502        /**
3503         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3504         * @hide
3505         */
3506        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3507                "search_shortcut_refresh_core_pool_size";
3508        /**
3509         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3510         * @hide
3511         */
3512        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3513                "search_shortcut_refresh_max_pool_size";
3514        /**
3515         * The maximun time that excess threads in the GlobalSeach thread pools will
3516         * wait before terminating.
3517         * @hide
3518         */
3519        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3520                "search_thread_keepalive_seconds";
3521        /**
3522         * The maximum number of concurrent suggestion queries to each source.
3523         * @hide
3524         */
3525        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3526                "search_per_source_concurrent_query_limit";
3527
3528        /**
3529         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3530         * @hide
3531         */
3532        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3533
3534        /**
3535         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3536         * @hide
3537         */
3538        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3539
3540        /**
3541         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3542         * @hide
3543         */
3544        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3545
3546        /**
3547         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3548         * @hide
3549         */
3550        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3551
3552        /**
3553         * If nonzero, ANRs in invisible background processes bring up a dialog.
3554         * Otherwise, the process will be silently killed.
3555         * @hide
3556         */
3557        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3558
3559        /**
3560         * The {@link ComponentName} string of the service to be used as the voice recognition
3561         * service.
3562         *
3563         * @hide
3564         */
3565        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3566
3567        /**
3568         * What happens when the user presses the Power button while in-call
3569         * and the screen is on.<br/>
3570         * <b>Values:</b><br/>
3571         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3572         * 2 - The Power button hangs up the current call.<br/>
3573         *
3574         * @hide
3575         */
3576        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3577
3578        /**
3579         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3580         * @hide
3581         */
3582        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3583
3584        /**
3585         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3586         * @hide
3587         */
3588        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3589
3590        /**
3591         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3592         * @hide
3593         */
3594        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3595                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3596
3597        /**
3598         * The current night mode that has been selected by the user.  Owned
3599         * and controlled by UiModeManagerService.  Constants are as per
3600         * UiModeManager.
3601         * @hide
3602         */
3603        public static final String UI_NIGHT_MODE = "ui_night_mode";
3604
3605        /**
3606         * Let user pick default install location.
3607         * @hide
3608         */
3609        public static final String SET_INSTALL_LOCATION = "set_install_location";
3610
3611        /**
3612         * Default install location value.
3613         * 0 = auto, let system decide
3614         * 1 = internal
3615         * 2 = sdcard
3616         * @hide
3617         */
3618        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3619
3620        /**
3621         * The bandwidth throttle polling freqency in seconds
3622         * @hide
3623         */
3624        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3625
3626        /**
3627         * The bandwidth throttle threshold (long)
3628         * @hide
3629         */
3630        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3631
3632        /**
3633         * The bandwidth throttle value (kbps)
3634         * @hide
3635         */
3636        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3637
3638        /**
3639         * The bandwidth throttle reset calendar day (1-28)
3640         * @hide
3641         */
3642        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3643
3644        /**
3645         * The throttling notifications we should send
3646         * @hide
3647         */
3648        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3649
3650        /**
3651         * Help URI for data throttling policy
3652         * @hide
3653         */
3654        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3655
3656        /**
3657         * The length of time in Sec that we allow our notion of NTP time
3658         * to be cached before we refresh it
3659         * @hide
3660         */
3661        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3662                "throttle_max_ntp_cache_age_sec";
3663
3664        /**
3665         * The maximum size, in bytes, of a download that the download manager will transfer over
3666         * a non-wifi connection.
3667         * @hide
3668         */
3669        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3670                "download_manager_max_bytes_over_mobile";
3671
3672        /**
3673         * The recommended maximum size, in bytes, of a download that the download manager should
3674         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3675         * have the option to start the download over the mobile connection anyway.
3676         * @hide
3677         */
3678        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3679                "download_manager_recommended_max_bytes_over_mobile";
3680
3681        /**
3682         * ms during which to consume extra events related to Inet connection condition
3683         * after a transtion to fully-connected
3684         * @hide
3685         */
3686        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3687                "inet_condition_debounce_up_delay";
3688
3689        /**
3690         * ms during which to consume extra events related to Inet connection condtion
3691         * after a transtion to partly-connected
3692         * @hide
3693         */
3694        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3695                "inet_condition_debounce_down_delay";
3696
3697        /**
3698         * URL to open browser on to allow user to manage a prepay account
3699         * @hide
3700         */
3701        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
3702                "setup_prepaid_data_service_url";
3703
3704        /**
3705         * URL to attempt a GET on to see if this is a prepay device
3706         * @hide
3707         */
3708        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
3709                "setup_prepaid_detection_target_url";
3710
3711        /**
3712         * Host to check for a redirect to after an attempt to GET
3713         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
3714         * this is a prepaid device with zero balance.)
3715         * @hide
3716         */
3717        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
3718                "setup_prepaid_detection_redir_host";
3719
3720        /**
3721         * @hide
3722         */
3723        public static final String[] SETTINGS_TO_BACKUP = {
3724            ADB_ENABLED,
3725            ALLOW_MOCK_LOCATION,
3726            PARENTAL_CONTROL_ENABLED,
3727            PARENTAL_CONTROL_REDIRECT_URL,
3728            USB_MASS_STORAGE_ENABLED,
3729            ACCESSIBILITY_ENABLED,
3730            ACCESSIBILITY_SCRIPT_INJECTION,
3731            BACKUP_AUTO_RESTORE,
3732            ENABLED_ACCESSIBILITY_SERVICES,
3733            TTS_USE_DEFAULTS,
3734            TTS_DEFAULT_RATE,
3735            TTS_DEFAULT_PITCH,
3736            TTS_DEFAULT_SYNTH,
3737            TTS_DEFAULT_LANG,
3738            TTS_DEFAULT_COUNTRY,
3739            TTS_ENABLED_PLUGINS,
3740            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3741            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3742            WIFI_NUM_OPEN_NETWORKS_KEPT,
3743            MOUNT_PLAY_NOTIFICATION_SND,
3744            MOUNT_UMS_AUTOSTART,
3745            MOUNT_UMS_PROMPT,
3746            MOUNT_UMS_NOTIFY_ENABLED,
3747            UI_NIGHT_MODE
3748        };
3749
3750        /**
3751         * Helper method for determining if a location provider is enabled.
3752         * @param cr the content resolver to use
3753         * @param provider the location provider to query
3754         * @return true if the provider is enabled
3755         */
3756        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3757            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3758            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3759        }
3760
3761        /**
3762         * Thread-safe method for enabling or disabling a single location provider.
3763         * @param cr the content resolver to use
3764         * @param provider the location provider to enable or disable
3765         * @param enabled true if the provider should be enabled
3766         */
3767        public static final void setLocationProviderEnabled(ContentResolver cr,
3768                String provider, boolean enabled) {
3769            // to ensure thread safety, we write the provider name with a '+' or '-'
3770            // and let the SettingsProvider handle it rather than reading and modifying
3771            // the list of enabled providers.
3772            if (enabled) {
3773                provider = "+" + provider;
3774            } else {
3775                provider = "-" + provider;
3776            }
3777            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3778        }
3779    }
3780
3781    /**
3782     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3783     * Intent URL, allowing it to be either a web page or a particular
3784     * application activity.
3785     *
3786     * @hide
3787     */
3788    public static final class Bookmarks implements BaseColumns
3789    {
3790        private static final String TAG = "Bookmarks";
3791
3792        /**
3793         * The content:// style URL for this table
3794         */
3795        public static final Uri CONTENT_URI =
3796            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3797
3798        /**
3799         * The row ID.
3800         * <p>Type: INTEGER</p>
3801         */
3802        public static final String ID = "_id";
3803
3804        /**
3805         * Descriptive name of the bookmark that can be displayed to the user.
3806         * If this is empty, the title should be resolved at display time (use
3807         * {@link #getTitle(Context, Cursor)} any time you want to display the
3808         * title of a bookmark.)
3809         * <P>
3810         * Type: TEXT
3811         * </P>
3812         */
3813        public static final String TITLE = "title";
3814
3815        /**
3816         * Arbitrary string (displayed to the user) that allows bookmarks to be
3817         * organized into categories.  There are some special names for
3818         * standard folders, which all start with '@'.  The label displayed for
3819         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3820         * the folder name does not change so you can consistently query for
3821         * the folder regardless of the current locale.
3822         *
3823         * <P>Type: TEXT</P>
3824         *
3825         */
3826        public static final String FOLDER = "folder";
3827
3828        /**
3829         * The Intent URL of the bookmark, describing what it points to.  This
3830         * value is given to {@link android.content.Intent#getIntent} to create
3831         * an Intent that can be launched.
3832         * <P>Type: TEXT</P>
3833         */
3834        public static final String INTENT = "intent";
3835
3836        /**
3837         * Optional shortcut character associated with this bookmark.
3838         * <P>Type: INTEGER</P>
3839         */
3840        public static final String SHORTCUT = "shortcut";
3841
3842        /**
3843         * The order in which the bookmark should be displayed
3844         * <P>Type: INTEGER</P>
3845         */
3846        public static final String ORDERING = "ordering";
3847
3848        private static final String[] sIntentProjection = { INTENT };
3849        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3850        private static final String sShortcutSelection = SHORTCUT + "=?";
3851
3852        /**
3853         * Convenience function to retrieve the bookmarked Intent for a
3854         * particular shortcut key.
3855         *
3856         * @param cr The ContentResolver to query.
3857         * @param shortcut The shortcut key.
3858         *
3859         * @return Intent The bookmarked URL, or null if there is no bookmark
3860         *         matching the given shortcut.
3861         */
3862        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3863        {
3864            Intent intent = null;
3865
3866            Cursor c = cr.query(CONTENT_URI,
3867                    sIntentProjection, sShortcutSelection,
3868                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3869            // Keep trying until we find a valid shortcut
3870            try {
3871                while (intent == null && c.moveToNext()) {
3872                    try {
3873                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3874                        intent = Intent.parseUri(intentURI, 0);
3875                    } catch (java.net.URISyntaxException e) {
3876                        // The stored URL is bad...  ignore it.
3877                    } catch (IllegalArgumentException e) {
3878                        // Column not found
3879                        Log.w(TAG, "Intent column not found", e);
3880                    }
3881                }
3882            } finally {
3883                if (c != null) c.close();
3884            }
3885
3886            return intent;
3887        }
3888
3889        /**
3890         * Add a new bookmark to the system.
3891         *
3892         * @param cr The ContentResolver to query.
3893         * @param intent The desired target of the bookmark.
3894         * @param title Bookmark title that is shown to the user; null if none
3895         *            or it should be resolved to the intent's title.
3896         * @param folder Folder in which to place the bookmark; null if none.
3897         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3898         *            this is non-zero and there is an existing bookmark entry
3899         *            with this same shortcut, then that existing shortcut is
3900         *            cleared (the bookmark is not removed).
3901         * @return The unique content URL for the new bookmark entry.
3902         */
3903        public static Uri add(ContentResolver cr,
3904                                           Intent intent,
3905                                           String title,
3906                                           String folder,
3907                                           char shortcut,
3908                                           int ordering)
3909        {
3910            // If a shortcut is supplied, and it is already defined for
3911            // another bookmark, then remove the old definition.
3912            if (shortcut != 0) {
3913                cr.delete(CONTENT_URI, sShortcutSelection,
3914                        new String[] { String.valueOf((int) shortcut) });
3915            }
3916
3917            ContentValues values = new ContentValues();
3918            if (title != null) values.put(TITLE, title);
3919            if (folder != null) values.put(FOLDER, folder);
3920            values.put(INTENT, intent.toUri(0));
3921            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3922            values.put(ORDERING, ordering);
3923            return cr.insert(CONTENT_URI, values);
3924        }
3925
3926        /**
3927         * Return the folder name as it should be displayed to the user.  This
3928         * takes care of localizing special folders.
3929         *
3930         * @param r Resources object for current locale; only need access to
3931         *          system resources.
3932         * @param folder The value found in the {@link #FOLDER} column.
3933         *
3934         * @return CharSequence The label for this folder that should be shown
3935         *         to the user.
3936         */
3937        public static CharSequence getLabelForFolder(Resources r, String folder) {
3938            return folder;
3939        }
3940
3941        /**
3942         * Return the title as it should be displayed to the user. This takes
3943         * care of localizing bookmarks that point to activities.
3944         *
3945         * @param context A context.
3946         * @param cursor A cursor pointing to the row whose title should be
3947         *        returned. The cursor must contain at least the {@link #TITLE}
3948         *        and {@link #INTENT} columns.
3949         * @return A title that is localized and can be displayed to the user,
3950         *         or the empty string if one could not be found.
3951         */
3952        public static CharSequence getTitle(Context context, Cursor cursor) {
3953            int titleColumn = cursor.getColumnIndex(TITLE);
3954            int intentColumn = cursor.getColumnIndex(INTENT);
3955            if (titleColumn == -1 || intentColumn == -1) {
3956                throw new IllegalArgumentException(
3957                        "The cursor must contain the TITLE and INTENT columns.");
3958            }
3959
3960            String title = cursor.getString(titleColumn);
3961            if (!TextUtils.isEmpty(title)) {
3962                return title;
3963            }
3964
3965            String intentUri = cursor.getString(intentColumn);
3966            if (TextUtils.isEmpty(intentUri)) {
3967                return "";
3968            }
3969
3970            Intent intent;
3971            try {
3972                intent = Intent.parseUri(intentUri, 0);
3973            } catch (URISyntaxException e) {
3974                return "";
3975            }
3976
3977            PackageManager packageManager = context.getPackageManager();
3978            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3979            return info != null ? info.loadLabel(packageManager) : "";
3980        }
3981    }
3982
3983    /**
3984     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3985     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3986     * from the GoogleLoginService.
3987     *
3988     * @param androidId The Android ID for this device.
3989     * @return The device ID that should be used when connecting to the mobile gtalk server.
3990     * @hide
3991     */
3992    public static String getGTalkDeviceId(long androidId) {
3993        return "android-" + Long.toHexString(androidId);
3994    }
3995}
3996