Settings.java revision 0601eb7953cbf77d92826bef3ca37e208d922de7
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19
20
21import android.annotation.SdkConstant;
22import android.annotation.SdkConstant.SdkConstantType;
23import android.content.ComponentName;
24import android.content.ContentResolver;
25import android.content.ContentValues;
26import android.content.Context;
27import android.content.IContentProvider;
28import android.content.Intent;
29import android.content.pm.ActivityInfo;
30import android.content.pm.PackageManager;
31import android.content.pm.ResolveInfo;
32import android.content.res.Configuration;
33import android.content.res.Resources;
34import android.database.Cursor;
35import android.database.SQLException;
36import android.net.Uri;
37import android.net.wifi.WifiManager;
38import android.os.BatteryManager;
39import android.os.Bundle;
40import android.os.RemoteException;
41import android.os.SystemProperties;
42import android.text.TextUtils;
43import android.util.AndroidException;
44import android.util.Log;
45
46import java.net.URISyntaxException;
47import java.util.HashMap;
48import java.util.HashSet;
49
50
51/**
52 * The Settings provider contains global system-level device preferences.
53 */
54public final class Settings {
55
56    // Intent actions for Settings
57
58    /**
59     * Activity Action: Show system settings.
60     * <p>
61     * Input: Nothing.
62     * <p>
63     * Output: nothing.
64     */
65    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
66    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
67
68    /**
69     * Activity Action: Show settings to allow configuration of APNs.
70     * <p>
71     * Input: Nothing.
72     * <p>
73     * Output: nothing.
74     */
75    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
76    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
77
78    /**
79     * Activity Action: Show settings to allow configuration of current location
80     * sources.
81     * <p>
82     * In some cases, a matching Activity may not exist, so ensure you
83     * safeguard against this.
84     * <p>
85     * Input: Nothing.
86     * <p>
87     * Output: Nothing.
88     */
89    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
90    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
91            "android.settings.LOCATION_SOURCE_SETTINGS";
92
93    /**
94     * Activity Action: Show settings to allow configuration of wireless controls
95     * such as Wi-Fi, Bluetooth and Mobile networks.
96     * <p>
97     * In some cases, a matching Activity may not exist, so ensure you
98     * safeguard against this.
99     * <p>
100     * Input: Nothing.
101     * <p>
102     * Output: Nothing.
103     */
104    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
105    public static final String ACTION_WIRELESS_SETTINGS =
106            "android.settings.WIRELESS_SETTINGS";
107
108    /**
109     * Activity Action: Show settings to allow entering/exiting airplane mode.
110     * <p>
111     * In some cases, a matching Activity may not exist, so ensure you
112     * safeguard against this.
113     * <p>
114     * Input: Nothing.
115     * <p>
116     * Output: Nothing.
117     */
118    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
119    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
120            "android.settings.AIRPLANE_MODE_SETTINGS";
121
122    /**
123     * Activity Action: Show settings for accessibility modules.
124     * <p>
125     * In some cases, a matching Activity may not exist, so ensure you
126     * safeguard against this.
127     * <p>
128     * Input: Nothing.
129     * <p>
130     * Output: Nothing.
131     */
132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
133    public static final String ACTION_ACCESSIBILITY_SETTINGS =
134            "android.settings.ACCESSIBILITY_SETTINGS";
135
136    /**
137     * Activity Action: Show settings to allow configuration of security and
138     * location privacy.
139     * <p>
140     * In some cases, a matching Activity may not exist, so ensure you
141     * safeguard against this.
142     * <p>
143     * Input: Nothing.
144     * <p>
145     * Output: Nothing.
146     */
147    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
148    public static final String ACTION_SECURITY_SETTINGS =
149            "android.settings.SECURITY_SETTINGS";
150
151    /**
152     * Activity Action: Show settings to allow configuration of privacy options.
153     * <p>
154     * In some cases, a matching Activity may not exist, so ensure you
155     * safeguard against this.
156     * <p>
157     * Input: Nothing.
158     * <p>
159     * Output: Nothing.
160     */
161    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
162    public static final String ACTION_PRIVACY_SETTINGS =
163            "android.settings.PRIVACY_SETTINGS";
164
165    /**
166     * Activity Action: Show settings to allow configuration of Wi-Fi.
167
168     * <p>
169     * In some cases, a matching Activity may not exist, so ensure you
170     * safeguard against this.
171     * <p>
172     * Input: Nothing.
173     * <p>
174     * Output: Nothing.
175
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_WIFI_SETTINGS =
179            "android.settings.WIFI_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to allow configuration of a static IP
183     * address for Wi-Fi.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you safeguard
186     * against this.
187     * <p>
188     * Input: Nothing.
189     * <p>
190     * Output: Nothing.
191     */
192    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
193    public static final String ACTION_WIFI_IP_SETTINGS =
194            "android.settings.WIFI_IP_SETTINGS";
195
196    /**
197     * Activity Action: Show settings to allow configuration of Bluetooth.
198     * <p>
199     * In some cases, a matching Activity may not exist, so ensure you
200     * safeguard against this.
201     * <p>
202     * Input: Nothing.
203     * <p>
204     * Output: Nothing.
205     */
206    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
207    public static final String ACTION_BLUETOOTH_SETTINGS =
208            "android.settings.BLUETOOTH_SETTINGS";
209
210    /**
211     * Activity Action: Show settings to allow configuration of date and time.
212     * <p>
213     * In some cases, a matching Activity may not exist, so ensure you
214     * safeguard against this.
215     * <p>
216     * Input: Nothing.
217     * <p>
218     * Output: Nothing.
219     */
220    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
221    public static final String ACTION_DATE_SETTINGS =
222            "android.settings.DATE_SETTINGS";
223
224    /**
225     * Activity Action: Show settings to allow configuration of sound and volume.
226     * <p>
227     * In some cases, a matching Activity may not exist, so ensure you
228     * safeguard against this.
229     * <p>
230     * Input: Nothing.
231     * <p>
232     * Output: Nothing.
233     */
234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
235    public static final String ACTION_SOUND_SETTINGS =
236            "android.settings.SOUND_SETTINGS";
237
238    /**
239     * Activity Action: Show settings to allow configuration of display.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_DISPLAY_SETTINGS =
250            "android.settings.DISPLAY_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to allow configuration of locale.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261     */
262    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
263    public static final String ACTION_LOCALE_SETTINGS =
264            "android.settings.LOCALE_SETTINGS";
265
266    /**
267     * Activity Action: Show settings to configure input methods, in particular
268     * allowing the user to enable input methods.
269     * <p>
270     * In some cases, a matching Activity may not exist, so ensure you
271     * safeguard against this.
272     * <p>
273     * Input: Nothing.
274     * <p>
275     * Output: Nothing.
276     */
277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
278    public static final String ACTION_INPUT_METHOD_SETTINGS =
279            "android.settings.INPUT_METHOD_SETTINGS";
280
281    /**
282     * Activity Action: Show settings to enable/disable input method subtypes.
283     * <p>
284     * In some cases, a matching Activity may not exist, so ensure you
285     * safeguard against this.
286     * <p>
287     * To tell which input method's subtypes are displayed in the settings, add
288     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
289     * If there is no extra in this Intent, subtypes from all installed input methods
290     * will be displayed in the settings.
291     *
292     * @see android.view.inputmethod.InputMethodInfo#getId
293     * <p>
294     * Input: Nothing.
295     * <p>
296     * Output: Nothing.
297     */
298    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
299    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
300            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
301
302    /**
303     * Activity Action: Show settings to manage the user input dictionary.
304     * <p>
305     * In some cases, a matching Activity may not exist, so ensure you
306     * safeguard against this.
307     * <p>
308     * Input: Nothing.
309     * <p>
310     * Output: Nothing.
311     */
312    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
313    public static final String ACTION_USER_DICTIONARY_SETTINGS =
314            "android.settings.USER_DICTIONARY_SETTINGS";
315
316    /**
317     * Activity Action: Show settings to allow configuration of application-related settings.
318     * <p>
319     * In some cases, a matching Activity may not exist, so ensure you
320     * safeguard against this.
321     * <p>
322     * Input: Nothing.
323     * <p>
324     * Output: Nothing.
325     */
326    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
327    public static final String ACTION_APPLICATION_SETTINGS =
328            "android.settings.APPLICATION_SETTINGS";
329
330    /**
331     * Activity Action: Show settings to allow configuration of application
332     * development-related settings.
333     * <p>
334     * In some cases, a matching Activity may not exist, so ensure you safeguard
335     * against this.
336     * <p>
337     * Input: Nothing.
338     * <p>
339     * Output: Nothing.
340     */
341    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
342    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
343            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
344
345    /**
346     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
347     * <p>
348     * In some cases, a matching Activity may not exist, so ensure you
349     * safeguard against this.
350     * <p>
351     * Input: Nothing.
352     * <p>
353     * Output: Nothing.
354     */
355    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
356    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
357            "android.settings.QUICK_LAUNCH_SETTINGS";
358
359    /**
360     * Activity Action: Show settings to manage installed applications.
361     * <p>
362     * In some cases, a matching Activity may not exist, so ensure you
363     * safeguard against this.
364     * <p>
365     * Input: Nothing.
366     * <p>
367     * Output: Nothing.
368     */
369    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
370    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
371            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
372
373    /**
374     * Activity Action: Show settings to manage all applications.
375     * <p>
376     * In some cases, a matching Activity may not exist, so ensure you
377     * safeguard against this.
378     * <p>
379     * Input: Nothing.
380     * <p>
381     * Output: Nothing.
382     */
383    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
384    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
385            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
386
387    /**
388     * Activity Action: Show screen of details about a particular application.
389     * <p>
390     * In some cases, a matching Activity may not exist, so ensure you
391     * safeguard against this.
392     * <p>
393     * Input: The Intent's data URI specifies the application package name
394     * to be shown, with the "package" scheme.  That is "package:com.my.app".
395     * <p>
396     * Output: Nothing.
397     */
398    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
399    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
400            "android.settings.APPLICATION_DETAILS_SETTINGS";
401
402    /**
403     * Activity Action: Show settings for system update functionality.
404     * <p>
405     * In some cases, a matching Activity may not exist, so ensure you
406     * safeguard against this.
407     * <p>
408     * Input: Nothing.
409     * <p>
410     * Output: Nothing.
411     *
412     * @hide
413     */
414    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
415    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
416            "android.settings.SYSTEM_UPDATE_SETTINGS";
417
418    /**
419     * Activity Action: Show settings to allow configuration of sync settings.
420     * <p>
421     * In some cases, a matching Activity may not exist, so ensure you
422     * safeguard against this.
423     * <p>
424     * The account types available to add via the add account button may be restricted by adding an
425     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
426     * authorities. Only account types which can sync with that content provider will be offered to
427     * the user.
428     * <p>
429     * Input: Nothing.
430     * <p>
431     * Output: Nothing.
432     */
433    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
434    public static final String ACTION_SYNC_SETTINGS =
435            "android.settings.SYNC_SETTINGS";
436
437    /**
438     * Activity Action: Show add account screen for creating a new account.
439     * <p>
440     * In some cases, a matching Activity may not exist, so ensure you
441     * safeguard against this.
442     * <p>
443     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
444     * extra to the Intent with one or more syncable content provider's authorities.  Only account
445     * types which can sync with that content provider will be offered to the user.
446     * <p>
447     * Input: Nothing.
448     * <p>
449     * Output: Nothing.
450     */
451    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
452    public static final String ACTION_ADD_ACCOUNT =
453            "android.settings.ADD_ACCOUNT_SETTINGS";
454
455    /**
456     * Activity Action: Show settings for selecting the network operator.
457     * <p>
458     * In some cases, a matching Activity may not exist, so ensure you
459     * safeguard against this.
460     * <p>
461     * Input: Nothing.
462     * <p>
463     * Output: Nothing.
464     */
465    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
466    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
467            "android.settings.NETWORK_OPERATOR_SETTINGS";
468
469    /**
470     * Activity Action: Show settings for selection of 2G/3G.
471     * <p>
472     * In some cases, a matching Activity may not exist, so ensure you
473     * safeguard against this.
474     * <p>
475     * Input: Nothing.
476     * <p>
477     * Output: Nothing.
478     */
479    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
480    public static final String ACTION_DATA_ROAMING_SETTINGS =
481            "android.settings.DATA_ROAMING_SETTINGS";
482
483    /**
484     * Activity Action: Show settings for internal storage.
485     * <p>
486     * In some cases, a matching Activity may not exist, so ensure you
487     * safeguard against this.
488     * <p>
489     * Input: Nothing.
490     * <p>
491     * Output: Nothing.
492     */
493    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
494    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
495            "android.settings.INTERNAL_STORAGE_SETTINGS";
496    /**
497     * Activity Action: Show settings for memory card storage.
498     * <p>
499     * In some cases, a matching Activity may not exist, so ensure you
500     * safeguard against this.
501     * <p>
502     * Input: Nothing.
503     * <p>
504     * Output: Nothing.
505     */
506    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
507    public static final String ACTION_MEMORY_CARD_SETTINGS =
508            "android.settings.MEMORY_CARD_SETTINGS";
509
510    /**
511     * Activity Action: Show settings for global search.
512     * <p>
513     * In some cases, a matching Activity may not exist, so ensure you
514     * safeguard against this.
515     * <p>
516     * Input: Nothing.
517     * <p>
518     * Output: Nothing
519     */
520    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
521    public static final String ACTION_SEARCH_SETTINGS =
522        "android.search.action.SEARCH_SETTINGS";
523
524    /**
525     * Activity Action: Show general device information settings (serial
526     * number, software version, phone number, etc.).
527     * <p>
528     * In some cases, a matching Activity may not exist, so ensure you
529     * safeguard against this.
530     * <p>
531     * Input: Nothing.
532     * <p>
533     * Output: Nothing
534     */
535    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
536    public static final String ACTION_DEVICE_INFO_SETTINGS =
537        "android.settings.DEVICE_INFO_SETTINGS";
538
539    // End of Intent actions for Settings
540
541    /**
542     * @hide - Private call() method on SettingsProvider to read from 'system' table.
543     */
544    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
545
546    /**
547     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
548     */
549    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
550
551    /**
552     * Activity Extra: Limit available options in launched activity based on the given authority.
553     * <p>
554     * This can be passed as an extra field in an Activity Intent with one or more syncable content
555     * provider's authorities as a String[]. This field is used by some intents to alter the
556     * behavior of the called activity.
557     * <p>
558     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
559     * on the authority given.
560     */
561    public static final String EXTRA_AUTHORITIES =
562            "authorities";
563
564    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
565
566    private static final String JID_RESOURCE_PREFIX = "android";
567
568    public static final String AUTHORITY = "settings";
569
570    private static final String TAG = "Settings";
571    private static final boolean LOCAL_LOGV = false || false;
572
573    public static class SettingNotFoundException extends AndroidException {
574        public SettingNotFoundException(String msg) {
575            super(msg);
576        }
577    }
578
579    /**
580     * Common base for tables of name/value settings.
581     */
582    public static class NameValueTable implements BaseColumns {
583        public static final String NAME = "name";
584        public static final String VALUE = "value";
585
586        protected static boolean putString(ContentResolver resolver, Uri uri,
587                String name, String value) {
588            // The database will take care of replacing duplicates.
589            try {
590                ContentValues values = new ContentValues();
591                values.put(NAME, name);
592                values.put(VALUE, value);
593                resolver.insert(uri, values);
594                return true;
595            } catch (SQLException e) {
596                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
597                return false;
598            }
599        }
600
601        public static Uri getUriFor(Uri uri, String name) {
602            return Uri.withAppendedPath(uri, name);
603        }
604    }
605
606    // Thread-safe.
607    private static class NameValueCache {
608        private final String mVersionSystemProperty;
609        private final Uri mUri;
610
611        private static final String[] SELECT_VALUE =
612            new String[] { Settings.NameValueTable.VALUE };
613        private static final String NAME_EQ_PLACEHOLDER = "name=?";
614
615        // Must synchronize on 'this' to access mValues and mValuesVersion.
616        private final HashMap<String, String> mValues = new HashMap<String, String>();
617        private long mValuesVersion = 0;
618
619        // Initially null; set lazily and held forever.  Synchronized on 'this'.
620        private IContentProvider mContentProvider = null;
621
622        // The method we'll call (or null, to not use) on the provider
623        // for the fast path of retrieving settings.
624        private final String mCallCommand;
625
626        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
627            mVersionSystemProperty = versionSystemProperty;
628            mUri = uri;
629            mCallCommand = callCommand;
630        }
631
632        public String getString(ContentResolver cr, String name) {
633            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
634
635            synchronized (this) {
636                if (mValuesVersion != newValuesVersion) {
637                    if (LOCAL_LOGV) {
638                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
639                                newValuesVersion + " != cached " + mValuesVersion);
640                    }
641
642                    mValues.clear();
643                    mValuesVersion = newValuesVersion;
644                }
645
646                if (mValues.containsKey(name)) {
647                    return mValues.get(name);  // Could be null, that's OK -- negative caching
648                }
649            }
650
651            IContentProvider cp = null;
652            synchronized (this) {
653                cp = mContentProvider;
654                if (cp == null) {
655                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
656                }
657            }
658
659            // Try the fast path first, not using query().  If this
660            // fails (alternate Settings provider that doesn't support
661            // this interface?) then we fall back to the query/table
662            // interface.
663            if (mCallCommand != null) {
664                try {
665                    Bundle b = cp.call(mCallCommand, name, null);
666                    if (b != null) {
667                        String value = b.getPairValue();
668                        synchronized (this) {
669                            mValues.put(name, value);
670                        }
671                        return value;
672                    }
673                    // If the response Bundle is null, we fall through
674                    // to the query interface below.
675                } catch (RemoteException e) {
676                    // Not supported by the remote side?  Fall through
677                    // to query().
678                }
679            }
680
681            Cursor c = null;
682            try {
683                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
684                             new String[]{name}, null);
685                if (c == null) {
686                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
687                    return null;
688                }
689
690                String value = c.moveToNext() ? c.getString(0) : null;
691                synchronized (this) {
692                    mValues.put(name, value);
693                }
694                if (LOCAL_LOGV) {
695                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
696                            name + " = " + (value == null ? "(null)" : value));
697                }
698                return value;
699            } catch (RemoteException e) {
700                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
701                return null;  // Return null, but don't cache it.
702            } finally {
703                if (c != null) c.close();
704            }
705        }
706    }
707
708    /**
709     * System settings, containing miscellaneous system preferences.  This
710     * table holds simple name/value pairs.  There are convenience
711     * functions for accessing individual settings entries.
712     */
713    public static final class System extends NameValueTable {
714        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
715
716        // Populated lazily, guarded by class object:
717        private static NameValueCache sNameValueCache = null;
718
719        private static final HashSet<String> MOVED_TO_SECURE;
720        static {
721            MOVED_TO_SECURE = new HashSet<String>(30);
722            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
723            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
724            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
725            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
726            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
727            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
728            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
729            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
730            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
731            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
732            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
733            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
734            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
735            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
736            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
737            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
738            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
739            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
740            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
741            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
742            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
743            MOVED_TO_SECURE.add(Secure.WIFI_ON);
744            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
745            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
746            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
747            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
748            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
749            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
750            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
751            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
752            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
753            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
754            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
755        }
756
757        /**
758         * Look up a name in the database.
759         * @param resolver to access the database with
760         * @param name to look up in the table
761         * @return the corresponding value, or null if not present
762         */
763        public synchronized static String getString(ContentResolver resolver, String name) {
764            if (MOVED_TO_SECURE.contains(name)) {
765                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
766                        + " to android.provider.Settings.Secure, returning read-only value.");
767                return Secure.getString(resolver, name);
768            }
769            if (sNameValueCache == null) {
770                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
771                                                     CALL_METHOD_GET_SYSTEM);
772            }
773            return sNameValueCache.getString(resolver, name);
774        }
775
776        /**
777         * Store a name/value pair into the database.
778         * @param resolver to access the database with
779         * @param name to store
780         * @param value to associate with the name
781         * @return true if the value was set, false on database errors
782         */
783        public static boolean putString(ContentResolver resolver, String name, String value) {
784            if (MOVED_TO_SECURE.contains(name)) {
785                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
786                        + " to android.provider.Settings.Secure, value is unchanged.");
787                return false;
788            }
789            return putString(resolver, CONTENT_URI, name, value);
790        }
791
792        /**
793         * Construct the content URI for a particular name/value pair,
794         * useful for monitoring changes with a ContentObserver.
795         * @param name to look up in the table
796         * @return the corresponding content URI, or null if not present
797         */
798        public static Uri getUriFor(String name) {
799            if (MOVED_TO_SECURE.contains(name)) {
800                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
801                    + " to android.provider.Settings.Secure, returning Secure URI.");
802                return Secure.getUriFor(Secure.CONTENT_URI, name);
803            }
804            return getUriFor(CONTENT_URI, name);
805        }
806
807        /**
808         * Convenience function for retrieving a single system settings value
809         * as an integer.  Note that internally setting values are always
810         * stored as strings; this function converts the string to an integer
811         * for you.  The default value will be returned if the setting is
812         * not defined or not an integer.
813         *
814         * @param cr The ContentResolver to access.
815         * @param name The name of the setting to retrieve.
816         * @param def Value to return if the setting is not defined.
817         *
818         * @return The setting's current value, or 'def' if it is not defined
819         * or not a valid integer.
820         */
821        public static int getInt(ContentResolver cr, String name, int def) {
822            String v = getString(cr, name);
823            try {
824                return v != null ? Integer.parseInt(v) : def;
825            } catch (NumberFormatException e) {
826                return def;
827            }
828        }
829
830        /**
831         * Convenience function for retrieving a single system settings value
832         * as an integer.  Note that internally setting values are always
833         * stored as strings; this function converts the string to an integer
834         * for you.
835         * <p>
836         * This version does not take a default value.  If the setting has not
837         * been set, or the string value is not a number,
838         * it throws {@link SettingNotFoundException}.
839         *
840         * @param cr The ContentResolver to access.
841         * @param name The name of the setting to retrieve.
842         *
843         * @throws SettingNotFoundException Thrown if a setting by the given
844         * name can't be found or the setting value is not an integer.
845         *
846         * @return The setting's current value.
847         */
848        public static int getInt(ContentResolver cr, String name)
849                throws SettingNotFoundException {
850            String v = getString(cr, name);
851            try {
852                return Integer.parseInt(v);
853            } catch (NumberFormatException e) {
854                throw new SettingNotFoundException(name);
855            }
856        }
857
858        /**
859         * Convenience function for updating a single settings value as an
860         * integer. This will either create a new entry in the table if the
861         * given name does not exist, or modify the value of the existing row
862         * with that name.  Note that internally setting values are always
863         * stored as strings, so this function converts the given value to a
864         * string before storing it.
865         *
866         * @param cr The ContentResolver to access.
867         * @param name The name of the setting to modify.
868         * @param value The new value for the setting.
869         * @return true if the value was set, false on database errors
870         */
871        public static boolean putInt(ContentResolver cr, String name, int value) {
872            return putString(cr, name, Integer.toString(value));
873        }
874
875        /**
876         * Convenience function for retrieving a single system settings value
877         * as a {@code long}.  Note that internally setting values are always
878         * stored as strings; this function converts the string to a {@code long}
879         * for you.  The default value will be returned if the setting is
880         * not defined or not a {@code long}.
881         *
882         * @param cr The ContentResolver to access.
883         * @param name The name of the setting to retrieve.
884         * @param def Value to return if the setting is not defined.
885         *
886         * @return The setting's current value, or 'def' if it is not defined
887         * or not a valid {@code long}.
888         */
889        public static long getLong(ContentResolver cr, String name, long def) {
890            String valString = getString(cr, name);
891            long value;
892            try {
893                value = valString != null ? Long.parseLong(valString) : def;
894            } catch (NumberFormatException e) {
895                value = def;
896            }
897            return value;
898        }
899
900        /**
901         * Convenience function for retrieving a single system settings value
902         * as a {@code long}.  Note that internally setting values are always
903         * stored as strings; this function converts the string to a {@code long}
904         * for you.
905         * <p>
906         * This version does not take a default value.  If the setting has not
907         * been set, or the string value is not a number,
908         * it throws {@link SettingNotFoundException}.
909         *
910         * @param cr The ContentResolver to access.
911         * @param name The name of the setting to retrieve.
912         *
913         * @return The setting's current value.
914         * @throws SettingNotFoundException Thrown if a setting by the given
915         * name can't be found or the setting value is not an integer.
916         */
917        public static long getLong(ContentResolver cr, String name)
918                throws SettingNotFoundException {
919            String valString = getString(cr, name);
920            try {
921                return Long.parseLong(valString);
922            } catch (NumberFormatException e) {
923                throw new SettingNotFoundException(name);
924            }
925        }
926
927        /**
928         * Convenience function for updating a single settings value as a long
929         * integer. This will either create a new entry in the table if the
930         * given name does not exist, or modify the value of the existing row
931         * with that name.  Note that internally setting values are always
932         * stored as strings, so this function converts the given value to a
933         * string before storing it.
934         *
935         * @param cr The ContentResolver to access.
936         * @param name The name of the setting to modify.
937         * @param value The new value for the setting.
938         * @return true if the value was set, false on database errors
939         */
940        public static boolean putLong(ContentResolver cr, String name, long value) {
941            return putString(cr, name, Long.toString(value));
942        }
943
944        /**
945         * Convenience function for retrieving a single system settings value
946         * as a floating point number.  Note that internally setting values are
947         * always stored as strings; this function converts the string to an
948         * float for you. The default value will be returned if the setting
949         * is not defined or not a valid float.
950         *
951         * @param cr The ContentResolver to access.
952         * @param name The name of the setting to retrieve.
953         * @param def Value to return if the setting is not defined.
954         *
955         * @return The setting's current value, or 'def' if it is not defined
956         * or not a valid float.
957         */
958        public static float getFloat(ContentResolver cr, String name, float def) {
959            String v = getString(cr, name);
960            try {
961                return v != null ? Float.parseFloat(v) : def;
962            } catch (NumberFormatException e) {
963                return def;
964            }
965        }
966
967        /**
968         * Convenience function for retrieving a single system settings value
969         * as a float.  Note that internally setting values are always
970         * stored as strings; this function converts the string to a float
971         * for you.
972         * <p>
973         * This version does not take a default value.  If the setting has not
974         * been set, or the string value is not a number,
975         * it throws {@link SettingNotFoundException}.
976         *
977         * @param cr The ContentResolver to access.
978         * @param name The name of the setting to retrieve.
979         *
980         * @throws SettingNotFoundException Thrown if a setting by the given
981         * name can't be found or the setting value is not a float.
982         *
983         * @return The setting's current value.
984         */
985        public static float getFloat(ContentResolver cr, String name)
986                throws SettingNotFoundException {
987            String v = getString(cr, name);
988            if (v == null) {
989                throw new SettingNotFoundException(name);
990            }
991            try {
992                return Float.parseFloat(v);
993            } catch (NumberFormatException e) {
994                throw new SettingNotFoundException(name);
995            }
996        }
997
998        /**
999         * Convenience function for updating a single settings value as a
1000         * floating point number. This will either create a new entry in the
1001         * table if the given name does not exist, or modify the value of the
1002         * existing row with that name.  Note that internally setting values
1003         * are always stored as strings, so this function converts the given
1004         * value to a string before storing it.
1005         *
1006         * @param cr The ContentResolver to access.
1007         * @param name The name of the setting to modify.
1008         * @param value The new value for the setting.
1009         * @return true if the value was set, false on database errors
1010         */
1011        public static boolean putFloat(ContentResolver cr, String name, float value) {
1012            return putString(cr, name, Float.toString(value));
1013        }
1014
1015        /**
1016         * Convenience function to read all of the current
1017         * configuration-related settings into a
1018         * {@link Configuration} object.
1019         *
1020         * @param cr The ContentResolver to access.
1021         * @param outConfig Where to place the configuration settings.
1022         */
1023        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1024            outConfig.fontScale = Settings.System.getFloat(
1025                cr, FONT_SCALE, outConfig.fontScale);
1026            if (outConfig.fontScale < 0) {
1027                outConfig.fontScale = 1;
1028            }
1029        }
1030
1031        /**
1032         * Convenience function to write a batch of configuration-related
1033         * settings from a {@link Configuration} object.
1034         *
1035         * @param cr The ContentResolver to access.
1036         * @param config The settings to write.
1037         * @return true if the values were set, false on database errors
1038         */
1039        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1040            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1041        }
1042
1043        /** @hide */
1044        public static boolean hasInterestingConfigurationChanges(int changes) {
1045            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1046        }
1047
1048        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1049            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1050        }
1051
1052        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1053            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1054        }
1055
1056        /**
1057         * The content:// style URL for this table
1058         */
1059        public static final Uri CONTENT_URI =
1060            Uri.parse("content://" + AUTHORITY + "/system");
1061
1062        /**
1063         * Whether we keep the device on while the device is plugged in.
1064         * Supported values are:
1065         * <ul>
1066         * <li>{@code 0} to never stay on while plugged in</li>
1067         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1068         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1069         * </ul>
1070         * These values can be OR-ed together.
1071         */
1072        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1073
1074        /**
1075         * What happens when the user presses the end call button if they're not
1076         * on a call.<br/>
1077         * <b>Values:</b><br/>
1078         * 0 - The end button does nothing.<br/>
1079         * 1 - The end button goes to the home screen.<br/>
1080         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1081         * 3 - The end button goes to the home screen.  If the user is already on the
1082         * home screen, it puts the device to sleep.
1083         */
1084        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1085
1086        /**
1087         * END_BUTTON_BEHAVIOR value for "go home".
1088         * @hide
1089         */
1090        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1091
1092        /**
1093         * END_BUTTON_BEHAVIOR value for "go to sleep".
1094         * @hide
1095         */
1096        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1097
1098        /**
1099         * END_BUTTON_BEHAVIOR default value.
1100         * @hide
1101         */
1102        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1103
1104        /**
1105         * Is advanced settings mode turned on. 0 == no, 1 == yes
1106         * @hide
1107         */
1108        public static final String ADVANCED_SETTINGS = "advanced_settings";
1109
1110        /**
1111         * ADVANCED_SETTINGS default value.
1112         * @hide
1113         */
1114        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1115
1116        /**
1117         * Whether Airplane Mode is on.
1118         */
1119        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1120
1121        /**
1122         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1123         */
1124        public static final String RADIO_BLUETOOTH = "bluetooth";
1125
1126        /**
1127         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1128         */
1129        public static final String RADIO_WIFI = "wifi";
1130
1131        /**
1132         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1133         */
1134        public static final String RADIO_CELL = "cell";
1135
1136        /**
1137         * A comma separated list of radios that need to be disabled when airplane mode
1138         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1139         * included in the comma separated list.
1140         */
1141        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1142
1143        /**
1144         * A comma separated list of radios that should to be disabled when airplane mode
1145         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1146         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1147         * will be turned off when entering airplane mode, but the user will be able to reenable
1148         * Wifi in the Settings app.
1149         *
1150         * {@hide}
1151         */
1152        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1153
1154        /**
1155         * The policy for deciding when Wi-Fi should go to sleep (which will in
1156         * turn switch to using the mobile data as an Internet connection).
1157         * <p>
1158         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1159         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1160         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1161         */
1162        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1163
1164        /**
1165         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1166         * policy, which is to sleep shortly after the turning off
1167         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1168         */
1169        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1170
1171        /**
1172         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1173         * the device is on battery, and never go to sleep when the device is
1174         * plugged in.
1175         */
1176        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1177
1178        /**
1179         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1180         */
1181        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1182
1183        //TODO: deprecate static IP constants
1184        /**
1185         * Whether to use static IP and other static network attributes.
1186         * <p>
1187         * Set to 1 for true and 0 for false.
1188         */
1189        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1190
1191        /**
1192         * The static IP address.
1193         * <p>
1194         * Example: "192.168.1.51"
1195         */
1196        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1197
1198        /**
1199         * If using static IP, the gateway's IP address.
1200         * <p>
1201         * Example: "192.168.1.1"
1202         */
1203        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1204
1205        /**
1206         * If using static IP, the net mask.
1207         * <p>
1208         * Example: "255.255.255.0"
1209         */
1210        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1211
1212        /**
1213         * If using static IP, the primary DNS's IP address.
1214         * <p>
1215         * Example: "192.168.1.1"
1216         */
1217        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1218
1219        /**
1220         * If using static IP, the secondary DNS's IP address.
1221         * <p>
1222         * Example: "192.168.1.2"
1223         */
1224        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1225
1226
1227        /**
1228         * Determines whether remote devices may discover and/or connect to
1229         * this device.
1230         * <P>Type: INT</P>
1231         * 2 -- discoverable and connectable
1232         * 1 -- connectable but not discoverable
1233         * 0 -- neither connectable nor discoverable
1234         */
1235        public static final String BLUETOOTH_DISCOVERABILITY =
1236            "bluetooth_discoverability";
1237
1238        /**
1239         * Bluetooth discoverability timeout.  If this value is nonzero, then
1240         * Bluetooth becomes discoverable for a certain number of seconds,
1241         * after which is becomes simply connectable.  The value is in seconds.
1242         */
1243        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1244            "bluetooth_discoverability_timeout";
1245
1246        /**
1247         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1248         * instead
1249         */
1250        @Deprecated
1251        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1252
1253        /**
1254         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1255         * instead
1256         */
1257        @Deprecated
1258        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1259
1260        /**
1261         * @deprecated Use
1262         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1263         * instead
1264         */
1265        @Deprecated
1266        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1267            "lock_pattern_tactile_feedback_enabled";
1268
1269
1270        /**
1271         * A formatted string of the next alarm that is set, or the empty string
1272         * if there is no alarm set.
1273         */
1274        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1275
1276        /**
1277         * Scaling factor for fonts, float.
1278         */
1279        public static final String FONT_SCALE = "font_scale";
1280
1281        /**
1282         * Name of an application package to be debugged.
1283         */
1284        public static final String DEBUG_APP = "debug_app";
1285
1286        /**
1287         * If 1, when launching DEBUG_APP it will wait for the debugger before
1288         * starting user code.  If 0, it will run normally.
1289         */
1290        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1291
1292        /**
1293         * Whether or not to dim the screen. 0=no  1=yes
1294         */
1295        public static final String DIM_SCREEN = "dim_screen";
1296
1297        /**
1298         * The timeout before the screen turns off.
1299         */
1300        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1301
1302        /**
1303         * If 0, the compatibility mode is off for all applications.
1304         * If 1, older applications run under compatibility mode.
1305         * TODO: remove this settings before code freeze (bug/1907571)
1306         * @hide
1307         */
1308        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1309
1310        /**
1311         * The screen backlight brightness between 0 and 255.
1312         */
1313        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1314
1315        /**
1316         * Control whether to enable automatic brightness mode.
1317         */
1318        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1319
1320        /**
1321         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1322         */
1323        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1324
1325        /**
1326         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1327         */
1328        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1329
1330        /**
1331         * Control whether the process CPU usage meter should be shown.
1332         */
1333        public static final String SHOW_PROCESSES = "show_processes";
1334
1335        /**
1336         * If 1, the activity manager will aggressively finish activities and
1337         * processes as soon as they are no longer needed.  If 0, the normal
1338         * extended lifetime is used.
1339         */
1340        public static final String ALWAYS_FINISH_ACTIVITIES =
1341                "always_finish_activities";
1342
1343
1344        /**
1345         * Ringer mode. This is used internally, changing this value will not
1346         * change the ringer mode. See AudioManager.
1347         */
1348        public static final String MODE_RINGER = "mode_ringer";
1349
1350        /**
1351         * Determines which streams are affected by ringer mode changes. The
1352         * stream type's bit should be set to 1 if it should be muted when going
1353         * into an inaudible ringer mode.
1354         */
1355        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1356
1357         /**
1358          * Determines which streams are affected by mute. The
1359          * stream type's bit should be set to 1 if it should be muted when a mute request
1360          * is received.
1361          */
1362         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1363
1364        /**
1365         * Whether vibrate is on for different events. This is used internally,
1366         * changing this value will not change the vibrate. See AudioManager.
1367         */
1368        public static final String VIBRATE_ON = "vibrate_on";
1369
1370        /**
1371         * Ringer volume. This is used internally, changing this value will not
1372         * change the volume. See AudioManager.
1373         */
1374        public static final String VOLUME_RING = "volume_ring";
1375
1376        /**
1377         * System/notifications volume. This is used internally, changing this
1378         * value will not change the volume. See AudioManager.
1379         */
1380        public static final String VOLUME_SYSTEM = "volume_system";
1381
1382        /**
1383         * Voice call volume. This is used internally, changing this value will
1384         * not change the volume. See AudioManager.
1385         */
1386        public static final String VOLUME_VOICE = "volume_voice";
1387
1388        /**
1389         * Music/media/gaming volume. This is used internally, changing this
1390         * value will not change the volume. See AudioManager.
1391         */
1392        public static final String VOLUME_MUSIC = "volume_music";
1393
1394        /**
1395         * Alarm volume. This is used internally, changing this
1396         * value will not change the volume. See AudioManager.
1397         */
1398        public static final String VOLUME_ALARM = "volume_alarm";
1399
1400        /**
1401         * Notification volume. This is used internally, changing this
1402         * value will not change the volume. See AudioManager.
1403         */
1404        public static final String VOLUME_NOTIFICATION = "volume_notification";
1405
1406        /**
1407         * Bluetooth Headset volume. This is used internally, changing this value will
1408         * not change the volume. See AudioManager.
1409         */
1410        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1411
1412        /**
1413         * Whether the notifications should use the ring volume (value of 1) or
1414         * a separate notification volume (value of 0). In most cases, users
1415         * will have this enabled so the notification and ringer volumes will be
1416         * the same. However, power users can disable this and use the separate
1417         * notification volume control.
1418         * <p>
1419         * Note: This is a one-off setting that will be removed in the future
1420         * when there is profile support. For this reason, it is kept hidden
1421         * from the public APIs.
1422         *
1423         * @hide
1424         */
1425        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1426            "notifications_use_ring_volume";
1427
1428        /**
1429         * Whether silent mode should allow vibration feedback. This is used
1430         * internally in AudioService and the Sound settings activity to
1431         * coordinate decoupling of vibrate and silent modes. This setting
1432         * will likely be removed in a future release with support for
1433         * audio/vibe feedback profiles.
1434         *
1435         * @hide
1436         */
1437        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1438
1439        /**
1440         * The mapping of stream type (integer) to its setting.
1441         */
1442        public static final String[] VOLUME_SETTINGS = {
1443            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1444            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1445        };
1446
1447        /**
1448         * Appended to various volume related settings to record the previous
1449         * values before they the settings were affected by a silent/vibrate
1450         * ringer mode change.
1451         */
1452        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1453
1454        /**
1455         * Persistent store for the system-wide default ringtone URI.
1456         * <p>
1457         * If you need to play the default ringtone at any given time, it is recommended
1458         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1459         * to the set default ringtone at the time of playing.
1460         *
1461         * @see #DEFAULT_RINGTONE_URI
1462         */
1463        public static final String RINGTONE = "ringtone";
1464
1465        /**
1466         * A {@link Uri} that will point to the current default ringtone at any
1467         * given time.
1468         * <p>
1469         * If the current default ringtone is in the DRM provider and the caller
1470         * does not have permission, the exception will be a
1471         * FileNotFoundException.
1472         */
1473        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1474
1475        /**
1476         * Persistent store for the system-wide default notification sound.
1477         *
1478         * @see #RINGTONE
1479         * @see #DEFAULT_NOTIFICATION_URI
1480         */
1481        public static final String NOTIFICATION_SOUND = "notification_sound";
1482
1483        /**
1484         * A {@link Uri} that will point to the current default notification
1485         * sound at any given time.
1486         *
1487         * @see #DEFAULT_RINGTONE_URI
1488         */
1489        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1490
1491        /**
1492         * Persistent store for the system-wide default alarm alert.
1493         *
1494         * @see #RINGTONE
1495         * @see #DEFAULT_ALARM_ALERT_URI
1496         */
1497        public static final String ALARM_ALERT = "alarm_alert";
1498
1499        /**
1500         * A {@link Uri} that will point to the current default alarm alert at
1501         * any given time.
1502         *
1503         * @see #DEFAULT_ALARM_ALERT_URI
1504         */
1505        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1506
1507        /**
1508         * Persistent store for the system default media button event receiver.
1509         *
1510         * @hide
1511         */
1512        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1513
1514        /**
1515         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1516         */
1517        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1518
1519        /**
1520         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1521         */
1522        public static final String TEXT_AUTO_CAPS = "auto_caps";
1523
1524        /**
1525         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1526         * feature converts two spaces to a "." and space.
1527         */
1528        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1529
1530        /**
1531         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1532         */
1533        public static final String TEXT_SHOW_PASSWORD = "show_password";
1534
1535        public static final String SHOW_GTALK_SERVICE_STATUS =
1536                "SHOW_GTALK_SERVICE_STATUS";
1537
1538        /**
1539         * Name of activity to use for wallpaper on the home screen.
1540         */
1541        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1542
1543        /**
1544         * Value to specify if the user prefers the date, time and time zone
1545         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1546         */
1547        public static final String AUTO_TIME = "auto_time";
1548
1549        /**
1550         * Value to specify if the user prefers the time zone
1551         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1552         */
1553        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1554
1555        /**
1556         * Display times as 12 or 24 hours
1557         *   12
1558         *   24
1559         */
1560        public static final String TIME_12_24 = "time_12_24";
1561
1562        /**
1563         * Date format string
1564         *   mm/dd/yyyy
1565         *   dd/mm/yyyy
1566         *   yyyy/mm/dd
1567         */
1568        public static final String DATE_FORMAT = "date_format";
1569
1570        /**
1571         * Whether the setup wizard has been run before (on first boot), or if
1572         * it still needs to be run.
1573         *
1574         * nonzero = it has been run in the past
1575         * 0 = it has not been run in the past
1576         */
1577        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1578
1579        /**
1580         * Scaling factor for normal window animations. Setting to 0 will disable window
1581         * animations.
1582         */
1583        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1584
1585        /**
1586         * Scaling factor for activity transition animations. Setting to 0 will disable window
1587         * animations.
1588         */
1589        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1590
1591        /**
1592         * Scaling factor for normal window animations. Setting to 0 will disable window
1593         * animations.
1594         * @hide
1595         */
1596        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1597
1598        /**
1599         * Control whether the accelerometer will be used to change screen
1600         * orientation.  If 0, it will not be used unless explicitly requested
1601         * by the application; if 1, it will be used by default unless explicitly
1602         * disabled by the application.
1603         */
1604        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1605
1606        /**
1607         * Default screen rotation when no other policy applies.
1608         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1609         * preference, this rotation value will be used. Must be one of the
1610         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1611         *
1612         * @see Display#getRotation
1613         */
1614        public static final String USER_ROTATION = "user_rotation";
1615
1616        /**
1617         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1618         * boolean (1 or 0).
1619         */
1620        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1621
1622        /**
1623         * CDMA only settings
1624         * DTMF tone type played by the dialer when dialing.
1625         *                 0 = Normal
1626         *                 1 = Long
1627         * @hide
1628         */
1629        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1630
1631        /**
1632         * CDMA only settings
1633         * Emergency Tone  0 = Off
1634         *                 1 = Alert
1635         *                 2 = Vibrate
1636         * @hide
1637         */
1638        public static final String EMERGENCY_TONE = "emergency_tone";
1639
1640        /**
1641         * CDMA only settings
1642         * Whether the auto retry is enabled. The value is
1643         * boolean (1 or 0).
1644         * @hide
1645         */
1646        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1647
1648        /**
1649         * Whether the hearing aid is enabled. The value is
1650         * boolean (1 or 0).
1651         * @hide
1652         */
1653        public static final String HEARING_AID = "hearing_aid";
1654
1655        /**
1656         * CDMA only settings
1657         * TTY Mode
1658         * 0 = OFF
1659         * 1 = FULL
1660         * 2 = VCO
1661         * 3 = HCO
1662         * @hide
1663         */
1664        public static final String TTY_MODE = "tty_mode";
1665
1666        /**
1667         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1668         * boolean (1 or 0).
1669         */
1670        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1671
1672        /**
1673         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1674         * boolean (1 or 0).
1675         */
1676        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1677
1678        /**
1679         * @deprecated Each application that shows web suggestions should have its own
1680         * setting for this.
1681         */
1682        @Deprecated
1683        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1684
1685        /**
1686         * Whether the notification LED should repeatedly flash when a notification is
1687         * pending. The value is boolean (1 or 0).
1688         * @hide
1689         */
1690        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1691
1692        /**
1693         * Show pointer location on screen?
1694         * 0 = no
1695         * 1 = yes
1696         * @hide
1697         */
1698        public static final String POINTER_LOCATION = "pointer_location";
1699
1700        /**
1701         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1702         * orientationplot.py tool.
1703         * 0 = no
1704         * 1 = yes
1705         * @hide
1706         */
1707        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1708                "window_orientation_listener_log";
1709
1710        /**
1711         * Whether to play a sound for low-battery alerts.
1712         * @hide
1713         */
1714        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1715
1716        /**
1717         * Whether to play a sound for dock events.
1718         * @hide
1719         */
1720        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1721
1722        /**
1723         * Whether to play sounds when the keyguard is shown and dismissed.
1724         * @hide
1725         */
1726        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1727
1728        /**
1729         * URI for the low battery sound file.
1730         * @hide
1731         */
1732        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1733
1734        /**
1735         * URI for the desk dock "in" event sound.
1736         * @hide
1737         */
1738        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1739
1740        /**
1741         * URI for the desk dock "out" event sound.
1742         * @hide
1743         */
1744        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1745
1746        /**
1747         * URI for the car dock "in" event sound.
1748         * @hide
1749         */
1750        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1751
1752        /**
1753         * URI for the car dock "out" event sound.
1754         * @hide
1755         */
1756        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1757
1758        /**
1759         * URI for the "device locked" (keyguard shown) sound.
1760         * @hide
1761         */
1762        public static final String LOCK_SOUND = "lock_sound";
1763
1764        /**
1765         * URI for the "device unlocked" (keyguard dismissed) sound.
1766         * @hide
1767         */
1768        public static final String UNLOCK_SOUND = "unlock_sound";
1769
1770        /**
1771         * True if we should appear as a PTP device instead of MTP.
1772         * @hide
1773         */
1774        public static final String USE_PTP_INTERFACE = "use_ptp_interface";
1775
1776        /**
1777         * Receive incoming SIP calls?
1778         * 0 = no
1779         * 1 = yes
1780         * @hide
1781         */
1782        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1783
1784        /**
1785         * Call Preference String.
1786         * "SIP_ALWAYS" : Always use SIP with network access
1787         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1788         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1789         * @hide
1790         */
1791        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1792
1793        /**
1794         * One of the sip call options: Always use SIP with network access.
1795         * @hide
1796         */
1797        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1798
1799        /**
1800         * One of the sip call options: Only if destination is a SIP address.
1801         * @hide
1802         */
1803        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1804
1805        /**
1806         * One of the sip call options: Always ask me each time.
1807         * @hide
1808         */
1809        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1810
1811        /**
1812         * Settings to backup. This is here so that it's in the same place as the settings
1813         * keys and easy to update.
1814         * @hide
1815         */
1816        public static final String[] SETTINGS_TO_BACKUP = {
1817            STAY_ON_WHILE_PLUGGED_IN,
1818            WIFI_USE_STATIC_IP,
1819            WIFI_STATIC_IP,
1820            WIFI_STATIC_GATEWAY,
1821            WIFI_STATIC_NETMASK,
1822            WIFI_STATIC_DNS1,
1823            WIFI_STATIC_DNS2,
1824            BLUETOOTH_DISCOVERABILITY,
1825            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1826            DIM_SCREEN,
1827            SCREEN_OFF_TIMEOUT,
1828            SCREEN_BRIGHTNESS,
1829            SCREEN_BRIGHTNESS_MODE,
1830            VIBRATE_ON,
1831            MODE_RINGER,
1832            MODE_RINGER_STREAMS_AFFECTED,
1833            MUTE_STREAMS_AFFECTED,
1834            VOLUME_VOICE,
1835            VOLUME_SYSTEM,
1836            VOLUME_RING,
1837            VOLUME_MUSIC,
1838            VOLUME_ALARM,
1839            VOLUME_NOTIFICATION,
1840            VOLUME_BLUETOOTH_SCO,
1841            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1842            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1843            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1844            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1845            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1846            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1847            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1848            VIBRATE_IN_SILENT,
1849            TEXT_AUTO_REPLACE,
1850            TEXT_AUTO_CAPS,
1851            TEXT_AUTO_PUNCTUATE,
1852            TEXT_SHOW_PASSWORD,
1853            AUTO_TIME,
1854            AUTO_TIME_ZONE,
1855            TIME_12_24,
1856            DATE_FORMAT,
1857            ACCELEROMETER_ROTATION,
1858            USER_ROTATION,
1859            DTMF_TONE_WHEN_DIALING,
1860            DTMF_TONE_TYPE_WHEN_DIALING,
1861            EMERGENCY_TONE,
1862            CALL_AUTO_RETRY,
1863            HEARING_AID,
1864            TTY_MODE,
1865            SOUND_EFFECTS_ENABLED,
1866            HAPTIC_FEEDBACK_ENABLED,
1867            POWER_SOUNDS_ENABLED,
1868            DOCK_SOUNDS_ENABLED,
1869            LOCKSCREEN_SOUNDS_ENABLED,
1870            SHOW_WEB_SUGGESTIONS,
1871            NOTIFICATION_LIGHT_PULSE,
1872            USE_PTP_INTERFACE,
1873            SIP_CALL_OPTIONS,
1874            SIP_RECEIVE_CALLS,
1875        };
1876
1877        // Settings moved to Settings.Secure
1878
1879        /**
1880         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1881         * instead
1882         */
1883        @Deprecated
1884        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1885
1886        /**
1887         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1888         */
1889        @Deprecated
1890        public static final String ANDROID_ID = Secure.ANDROID_ID;
1891
1892        /**
1893         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1894         */
1895        @Deprecated
1896        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1897
1898        /**
1899         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1900         */
1901        @Deprecated
1902        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1903
1904        /**
1905         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1906         */
1907        @Deprecated
1908        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1909
1910        /**
1911         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1912         */
1913        @Deprecated
1914        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1915
1916        /**
1917         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1918         */
1919        @Deprecated
1920        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1921
1922        /**
1923         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1924         * instead
1925         */
1926        @Deprecated
1927        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1928
1929        /**
1930         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1931         */
1932        @Deprecated
1933        public static final String LOGGING_ID = Secure.LOGGING_ID;
1934
1935        /**
1936         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1937         */
1938        @Deprecated
1939        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1940
1941        /**
1942         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1943         * instead
1944         */
1945        @Deprecated
1946        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1947
1948        /**
1949         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1950         * instead
1951         */
1952        @Deprecated
1953        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1954
1955        /**
1956         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1957         * instead
1958         */
1959        @Deprecated
1960        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1961            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1962
1963        /**
1964         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1965         */
1966        @Deprecated
1967        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1968
1969        /**
1970         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1971         */
1972        @Deprecated
1973        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1974
1975        /**
1976         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1977         */
1978        @Deprecated
1979        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1980
1981       /**
1982         * @deprecated Use
1983         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1984         */
1985        @Deprecated
1986        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1987
1988        /**
1989         * @deprecated Use
1990         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1991         */
1992        @Deprecated
1993        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1994                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1995
1996        /**
1997         * @deprecated Use
1998         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1999         */
2000        @Deprecated
2001        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2002            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2003
2004        /**
2005         * @deprecated Use
2006         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2007         */
2008        @Deprecated
2009        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2010            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2011
2012        /**
2013         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2014         * instead
2015         */
2016        @Deprecated
2017        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2018
2019        /**
2020         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2021         */
2022        @Deprecated
2023        public static final String WIFI_ON = Secure.WIFI_ON;
2024
2025        /**
2026         * @deprecated Use
2027         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2028         * instead
2029         */
2030        @Deprecated
2031        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2032                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2033
2034        /**
2035         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2036         */
2037        @Deprecated
2038        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2039
2040        /**
2041         * @deprecated Use
2042         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2043         */
2044        @Deprecated
2045        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2046                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2047
2048        /**
2049         * @deprecated Use
2050         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2051         */
2052        @Deprecated
2053        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2054                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2055
2056        /**
2057         * @deprecated Use
2058         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2059         * instead
2060         */
2061        @Deprecated
2062        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2063                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2064
2065        /**
2066         * @deprecated Use
2067         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2068         */
2069        @Deprecated
2070        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2071            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2072
2073        /**
2074         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2075         * instead
2076         */
2077        @Deprecated
2078        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2079
2080        /**
2081         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2082         */
2083        @Deprecated
2084        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2085
2086        /**
2087         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2088         */
2089        @Deprecated
2090        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2091
2092        /**
2093         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2094         * instead
2095         */
2096        @Deprecated
2097        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2098
2099        /**
2100         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2101         * instead
2102         */
2103        @Deprecated
2104        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2105            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2106    }
2107
2108    /**
2109     * Secure system settings, containing system preferences that applications
2110     * can read but are not allowed to write.  These are for preferences that
2111     * the user must explicitly modify through the system UI or specialized
2112     * APIs for those values, not modified directly by applications.
2113     */
2114    public static final class Secure extends NameValueTable {
2115        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2116
2117        // Populated lazily, guarded by class object:
2118        private static NameValueCache sNameValueCache = null;
2119
2120        /**
2121         * Look up a name in the database.
2122         * @param resolver to access the database with
2123         * @param name to look up in the table
2124         * @return the corresponding value, or null if not present
2125         */
2126        public synchronized static String getString(ContentResolver resolver, String name) {
2127            if (sNameValueCache == null) {
2128                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2129                                                     CALL_METHOD_GET_SECURE);
2130            }
2131            return sNameValueCache.getString(resolver, name);
2132        }
2133
2134        /**
2135         * Store a name/value pair into the database.
2136         * @param resolver to access the database with
2137         * @param name to store
2138         * @param value to associate with the name
2139         * @return true if the value was set, false on database errors
2140         */
2141        public static boolean putString(ContentResolver resolver,
2142                String name, String value) {
2143            return putString(resolver, CONTENT_URI, name, value);
2144        }
2145
2146        /**
2147         * Construct the content URI for a particular name/value pair,
2148         * useful for monitoring changes with a ContentObserver.
2149         * @param name to look up in the table
2150         * @return the corresponding content URI, or null if not present
2151         */
2152        public static Uri getUriFor(String name) {
2153            return getUriFor(CONTENT_URI, name);
2154        }
2155
2156        /**
2157         * Convenience function for retrieving a single secure settings value
2158         * as an integer.  Note that internally setting values are always
2159         * stored as strings; this function converts the string to an integer
2160         * for you.  The default value will be returned if the setting is
2161         * not defined or not an integer.
2162         *
2163         * @param cr The ContentResolver to access.
2164         * @param name The name of the setting to retrieve.
2165         * @param def Value to return if the setting is not defined.
2166         *
2167         * @return The setting's current value, or 'def' if it is not defined
2168         * or not a valid integer.
2169         */
2170        public static int getInt(ContentResolver cr, String name, int def) {
2171            String v = getString(cr, name);
2172            try {
2173                return v != null ? Integer.parseInt(v) : def;
2174            } catch (NumberFormatException e) {
2175                return def;
2176            }
2177        }
2178
2179        /**
2180         * Convenience function for retrieving a single secure settings value
2181         * as an integer.  Note that internally setting values are always
2182         * stored as strings; this function converts the string to an integer
2183         * for you.
2184         * <p>
2185         * This version does not take a default value.  If the setting has not
2186         * been set, or the string value is not a number,
2187         * it throws {@link SettingNotFoundException}.
2188         *
2189         * @param cr The ContentResolver to access.
2190         * @param name The name of the setting to retrieve.
2191         *
2192         * @throws SettingNotFoundException Thrown if a setting by the given
2193         * name can't be found or the setting value is not an integer.
2194         *
2195         * @return The setting's current value.
2196         */
2197        public static int getInt(ContentResolver cr, String name)
2198                throws SettingNotFoundException {
2199            String v = getString(cr, name);
2200            try {
2201                return Integer.parseInt(v);
2202            } catch (NumberFormatException e) {
2203                throw new SettingNotFoundException(name);
2204            }
2205        }
2206
2207        /**
2208         * Convenience function for updating a single settings value as an
2209         * integer. This will either create a new entry in the table if the
2210         * given name does not exist, or modify the value of the existing row
2211         * with that name.  Note that internally setting values are always
2212         * stored as strings, so this function converts the given value to a
2213         * string before storing it.
2214         *
2215         * @param cr The ContentResolver to access.
2216         * @param name The name of the setting to modify.
2217         * @param value The new value for the setting.
2218         * @return true if the value was set, false on database errors
2219         */
2220        public static boolean putInt(ContentResolver cr, String name, int value) {
2221            return putString(cr, name, Integer.toString(value));
2222        }
2223
2224        /**
2225         * Convenience function for retrieving a single secure settings value
2226         * as a {@code long}.  Note that internally setting values are always
2227         * stored as strings; this function converts the string to a {@code long}
2228         * for you.  The default value will be returned if the setting is
2229         * not defined or not a {@code long}.
2230         *
2231         * @param cr The ContentResolver to access.
2232         * @param name The name of the setting to retrieve.
2233         * @param def Value to return if the setting is not defined.
2234         *
2235         * @return The setting's current value, or 'def' if it is not defined
2236         * or not a valid {@code long}.
2237         */
2238        public static long getLong(ContentResolver cr, String name, long def) {
2239            String valString = getString(cr, name);
2240            long value;
2241            try {
2242                value = valString != null ? Long.parseLong(valString) : def;
2243            } catch (NumberFormatException e) {
2244                value = def;
2245            }
2246            return value;
2247        }
2248
2249        /**
2250         * Convenience function for retrieving a single secure settings value
2251         * as a {@code long}.  Note that internally setting values are always
2252         * stored as strings; this function converts the string to a {@code long}
2253         * for you.
2254         * <p>
2255         * This version does not take a default value.  If the setting has not
2256         * been set, or the string value is not a number,
2257         * it throws {@link SettingNotFoundException}.
2258         *
2259         * @param cr The ContentResolver to access.
2260         * @param name The name of the setting to retrieve.
2261         *
2262         * @return The setting's current value.
2263         * @throws SettingNotFoundException Thrown if a setting by the given
2264         * name can't be found or the setting value is not an integer.
2265         */
2266        public static long getLong(ContentResolver cr, String name)
2267                throws SettingNotFoundException {
2268            String valString = getString(cr, name);
2269            try {
2270                return Long.parseLong(valString);
2271            } catch (NumberFormatException e) {
2272                throw new SettingNotFoundException(name);
2273            }
2274        }
2275
2276        /**
2277         * Convenience function for updating a secure settings value as a long
2278         * integer. This will either create a new entry in the table if the
2279         * given name does not exist, or modify the value of the existing row
2280         * with that name.  Note that internally setting values are always
2281         * stored as strings, so this function converts the given value to a
2282         * string before storing it.
2283         *
2284         * @param cr The ContentResolver to access.
2285         * @param name The name of the setting to modify.
2286         * @param value The new value for the setting.
2287         * @return true if the value was set, false on database errors
2288         */
2289        public static boolean putLong(ContentResolver cr, String name, long value) {
2290            return putString(cr, name, Long.toString(value));
2291        }
2292
2293        /**
2294         * Convenience function for retrieving a single secure settings value
2295         * as a floating point number.  Note that internally setting values are
2296         * always stored as strings; this function converts the string to an
2297         * float for you. The default value will be returned if the setting
2298         * is not defined or not a valid float.
2299         *
2300         * @param cr The ContentResolver to access.
2301         * @param name The name of the setting to retrieve.
2302         * @param def Value to return if the setting is not defined.
2303         *
2304         * @return The setting's current value, or 'def' if it is not defined
2305         * or not a valid float.
2306         */
2307        public static float getFloat(ContentResolver cr, String name, float def) {
2308            String v = getString(cr, name);
2309            try {
2310                return v != null ? Float.parseFloat(v) : def;
2311            } catch (NumberFormatException e) {
2312                return def;
2313            }
2314        }
2315
2316        /**
2317         * Convenience function for retrieving a single secure settings value
2318         * as a float.  Note that internally setting values are always
2319         * stored as strings; this function converts the string to a float
2320         * for you.
2321         * <p>
2322         * This version does not take a default value.  If the setting has not
2323         * been set, or the string value is not a number,
2324         * it throws {@link SettingNotFoundException}.
2325         *
2326         * @param cr The ContentResolver to access.
2327         * @param name The name of the setting to retrieve.
2328         *
2329         * @throws SettingNotFoundException Thrown if a setting by the given
2330         * name can't be found or the setting value is not a float.
2331         *
2332         * @return The setting's current value.
2333         */
2334        public static float getFloat(ContentResolver cr, String name)
2335                throws SettingNotFoundException {
2336            String v = getString(cr, name);
2337            if (v == null) {
2338                throw new SettingNotFoundException(name);
2339            }
2340            try {
2341                return Float.parseFloat(v);
2342            } catch (NumberFormatException e) {
2343                throw new SettingNotFoundException(name);
2344            }
2345        }
2346
2347        /**
2348         * Convenience function for updating a single settings value as a
2349         * floating point number. This will either create a new entry in the
2350         * table if the given name does not exist, or modify the value of the
2351         * existing row with that name.  Note that internally setting values
2352         * are always stored as strings, so this function converts the given
2353         * value to a string before storing it.
2354         *
2355         * @param cr The ContentResolver to access.
2356         * @param name The name of the setting to modify.
2357         * @param value The new value for the setting.
2358         * @return true if the value was set, false on database errors
2359         */
2360        public static boolean putFloat(ContentResolver cr, String name, float value) {
2361            return putString(cr, name, Float.toString(value));
2362        }
2363
2364        /**
2365         * The content:// style URL for this table
2366         */
2367        public static final Uri CONTENT_URI =
2368            Uri.parse("content://" + AUTHORITY + "/secure");
2369
2370        /**
2371         * Whether ADB is enabled.
2372         */
2373        public static final String ADB_ENABLED = "adb_enabled";
2374
2375        /**
2376         * Setting to allow mock locations and location provider status to be injected into the
2377         * LocationManager service for testing purposes during application development.  These
2378         * locations and status values  override actual location and status information generated
2379         * by network, gps, or other location providers.
2380         */
2381        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2382
2383        /**
2384         * A 64-bit number (as a hex string) that is randomly
2385         * generated on the device's first boot and should remain
2386         * constant for the lifetime of the device.  (The value may
2387         * change if a factory reset is performed on the device.)
2388         */
2389        public static final String ANDROID_ID = "android_id";
2390
2391        /**
2392         * Whether bluetooth is enabled/disabled
2393         * 0=disabled. 1=enabled.
2394         */
2395        public static final String BLUETOOTH_ON = "bluetooth_on";
2396
2397        /**
2398         * Get the key that retrieves a bluetooth headset's priority.
2399         * @hide
2400         */
2401        public static final String getBluetoothHeadsetPriorityKey(String address) {
2402            return ("bluetooth_headset_priority_" + address.toUpperCase());
2403        }
2404
2405        /**
2406         * Get the key that retrieves a bluetooth a2dp sink's priority.
2407         * @hide
2408         */
2409        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2410            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2411        }
2412
2413        /**
2414         * Get the key that retrieves a bluetooth Input Device's priority.
2415         * @hide
2416         */
2417        public static final String getBluetoothInputDevicePriorityKey(String address) {
2418            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2419        }
2420
2421        /**
2422         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2423         */
2424        public static final String DATA_ROAMING = "data_roaming";
2425
2426        /**
2427         * Setting to record the input method used by default, holding the ID
2428         * of the desired method.
2429         */
2430        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2431
2432        /**
2433         * Setting to record the input method subtype used by default, holding the ID
2434         * of the desired method.
2435         */
2436        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2437                "selected_input_method_subtype";
2438
2439        /**
2440         * Setting to record the history of input method subtype, holding the pair of ID of IME
2441         * and its last used subtype.
2442         * @hide
2443         */
2444        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2445                "input_methods_subtype_history";
2446
2447        /**
2448         * Setting to record the visibility of input method selector
2449         */
2450        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2451                "input_method_selector_visibility";
2452
2453        /**
2454         * Whether the device has been provisioned (0 = false, 1 = true)
2455         */
2456        public static final String DEVICE_PROVISIONED = "device_provisioned";
2457
2458        /**
2459         * List of input methods that are currently enabled.  This is a string
2460         * containing the IDs of all enabled input methods, each ID separated
2461         * by ':'.
2462         */
2463        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2464
2465        /**
2466         * List of system input methods that are currently disabled.  This is a string
2467         * containing the IDs of all disabled input methods, each ID separated
2468         * by ':'.
2469         * @hide
2470         */
2471        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2472
2473        /**
2474         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2475         * TODO - deprecate in favor of global_http_proxy_host, etc
2476         */
2477        public static final String HTTP_PROXY = "http_proxy";
2478
2479        /**
2480         * Host name for global http proxy.  Set via ConnectivityManager.
2481         * @hide
2482         */
2483        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2484
2485        /**
2486         * Integer host port for global http proxy.  Set via ConnectivityManager.
2487         * @hide
2488         */
2489        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2490
2491        /**
2492         * Exclusion list for global proxy. This string contains a list of comma-separated
2493         * domains where the global proxy does not apply. Domains should be listed in a comma-
2494         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2495         * Use ConnectivityManager to set/get.
2496         * @hide
2497         */
2498        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2499                "global_http_proxy_exclusion_list";
2500
2501        /**
2502         * Enables the UI setting to allow the user to specify the global HTTP proxy
2503         * and associated exclusion list.
2504         * @hide
2505         */
2506        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2507
2508        /**
2509         * Setting for default DNS in case nobody suggests one
2510         * @hide
2511         */
2512        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2513
2514        /**
2515         * Whether the package installer should allow installation of apps downloaded from
2516         * sources other than the Android Market (vending machine).
2517         *
2518         * 1 = allow installing from other sources
2519         * 0 = only allow installing from the Android Market
2520         */
2521        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2522
2523        /**
2524         * Comma-separated list of location providers that activities may access.
2525         */
2526        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2527
2528        /**
2529         * Whether autolock is enabled (0 = false, 1 = true)
2530         */
2531        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2532
2533        /**
2534         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2535         */
2536        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2537
2538        /**
2539         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2540         */
2541        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2542            "lock_pattern_tactile_feedback_enabled";
2543
2544        /**
2545         * This preference allows the device to be locked given time after screen goes off,
2546         * subject to current DeviceAdmin policy limits.
2547         * @hide
2548         */
2549        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2550
2551
2552        /**
2553         * This preference contains the string that shows for owner info on LockScren.
2554         * @hide
2555         */
2556        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2557
2558        /**
2559         * This preference enables showing the owner info on LockScren.
2560         * @hide
2561         */
2562        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2563            "lock_screen_owner_info_enabled";
2564
2565        /**
2566         * Whether assisted GPS should be enabled or not.
2567         * @hide
2568         */
2569        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2570
2571        /**
2572         * The Logging ID (a unique 64-bit value) as a hex string.
2573         * Used as a pseudonymous identifier for logging.
2574         * @deprecated This identifier is poorly initialized and has
2575         * many collisions.  It should not be used.
2576         */
2577        @Deprecated
2578        public static final String LOGGING_ID = "logging_id";
2579
2580        /**
2581         * User preference for which network(s) should be used. Only the
2582         * connectivity service should touch this.
2583         */
2584        public static final String NETWORK_PREFERENCE = "network_preference";
2585
2586        /**
2587         * Used to disable Tethering on a device - defaults to true
2588         * @hide
2589         */
2590        public static final String TETHER_SUPPORTED = "tether_supported";
2591
2592        /**
2593         * Used to require DUN APN on the device or not - defaults to a build config value
2594         * which defaults to false
2595         * @hide
2596         */
2597        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2598
2599        /**
2600         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2601         * corresponding build config values are set it will override the APN DB
2602         * values.
2603         * Consists of a comma seperated list of strings:
2604         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2605         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2606         * @hide
2607         */
2608        public static final String TETHER_DUN_APN = "tether_dun_apn";
2609
2610        /**
2611         * No longer supported.
2612         */
2613        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2614
2615        /**
2616         * No longer supported.
2617         */
2618        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2619
2620        /**
2621         * No longer supported.
2622         */
2623        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2624
2625        /**
2626         * A positive value indicates how often the SamplingProfiler
2627         * should take snapshots. Zero value means SamplingProfiler
2628         * is disabled.
2629         *
2630         * @hide
2631         */
2632        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2633
2634        /**
2635         * Settings classname to launch when Settings is clicked from All
2636         * Applications.  Needed because of user testing between the old
2637         * and new Settings apps.
2638         */
2639        // TODO: 881807
2640        public static final String SETTINGS_CLASSNAME = "settings_classname";
2641
2642        /**
2643         * USB Mass Storage Enabled
2644         */
2645        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2646
2647        /**
2648         * If this setting is set (to anything), then all references
2649         * to Gmail on the device must change to Google Mail.
2650         */
2651        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2652
2653        /**
2654         * If accessibility is enabled.
2655         */
2656        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2657
2658        /**
2659         * List of the enabled accessibility providers.
2660         */
2661        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2662            "enabled_accessibility_services";
2663
2664        /**
2665         * If injection of accessibility enhancing JavaScript scripts
2666         * is enabled.
2667         * <p>
2668         *   Note: Accessibility injecting scripts are served by the
2669         *   Google infrastructure and enable users with disabilities to
2670         *   efficiantly navigate in and explore web content.
2671         * </p>
2672         * <p>
2673         *   This property represents a boolean value.
2674         * </p>
2675         * @hide
2676         */
2677        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2678            "accessibility_script_injection";
2679
2680        /**
2681         * Key bindings for navigation in built-in accessibility support for web content.
2682         * <p>
2683         *   Note: These key bindings are for the built-in accessibility navigation for
2684         *   web content which is used as a fall back solution if JavaScript in a WebView
2685         *   is not enabled or the user has not opted-in script injection from Google.
2686         * </p>
2687         * <p>
2688         *   The bindings are separated by semi-colon. A binding is a mapping from
2689         *   a key to a sequence of actions (for more details look at
2690         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2691         *   string representation of an integer obtained from a meta state (optional) shifted
2692         *   sixteen times left and bitwise ored with a key code. An action is represented
2693         *   as a hexademical string representation of an integer where the first two digits
2694         *   are navigation action index, the second, the third, and the fourth digit pairs
2695         *   represent the action arguments. The separate actions in a binding are colon
2696         *   separated. The key and the action sequence it maps to are separated by equals.
2697         * </p>
2698         * <p>
2699         *   For example, the binding below maps the DPAD right button to traverse the
2700         *   current navigation axis once without firing an accessibility event and to
2701         *   perform the same traversal again but to fire an event:
2702         *   <code>
2703         *     0x16=0x01000100:0x01000101;
2704         *   </code>
2705         * </p>
2706         * <p>
2707         *   The goal of this binding is to enable dynamic rebinding of keys to
2708         *   navigation actions for web content without requiring a framework change.
2709         * </p>
2710         * <p>
2711         *   This property represents a string value.
2712         * </p>
2713         * @hide
2714         */
2715        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2716            "accessibility_web_content_key_bindings";
2717
2718        /**
2719         * The timout for considering a press to be a long press in milliseconds.
2720         * @hide
2721         */
2722        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2723
2724        /**
2725         * Setting to always use the default text-to-speech settings regardless
2726         * of the application settings.
2727         * 1 = override application settings,
2728         * 0 = use application settings (if specified).
2729         */
2730        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2731
2732        /**
2733         * Default text-to-speech engine speech rate. 100 = 1x
2734         */
2735        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2736
2737        /**
2738         * Default text-to-speech engine pitch. 100 = 1x
2739         */
2740        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2741
2742        /**
2743         * Default text-to-speech engine.
2744         */
2745        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2746
2747        /**
2748         * Default text-to-speech language.
2749         */
2750        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2751
2752        /**
2753         * Default text-to-speech country.
2754         */
2755        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2756
2757        /**
2758         * Default text-to-speech locale variant.
2759         */
2760        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2761
2762        /**
2763         * Space delimited list of plugin packages that are enabled.
2764         */
2765        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2766
2767        /**
2768         * Whether to notify the user of open networks.
2769         * <p>
2770         * If not connected and the scan results have an open network, we will
2771         * put this notification up. If we attempt to connect to a network or
2772         * the open network(s) disappear, we remove the notification. When we
2773         * show the notification, we will not show it again for
2774         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2775         */
2776        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2777                "wifi_networks_available_notification_on";
2778
2779        /**
2780         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2781         * Connecting to a network will reset the timer.
2782         */
2783        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2784                "wifi_networks_available_repeat_delay";
2785
2786        /**
2787         * 802.11 country code in ISO 3166 format
2788         * @hide
2789         */
2790        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
2791
2792
2793        /**
2794         * When the number of open networks exceeds this number, the
2795         * least-recently-used excess networks will be removed.
2796         */
2797        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2798
2799        /**
2800         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2801         */
2802        public static final String WIFI_ON = "wifi_on";
2803
2804        /**
2805         * Used to save the Wifi_ON state prior to tethering.
2806         * This state will be checked to restore Wifi after
2807         * the user turns off tethering.
2808         *
2809         * @hide
2810         */
2811        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2812
2813        /**
2814         * AP SSID
2815         *
2816         * @hide
2817         */
2818        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2819
2820        /**
2821         * AP security
2822         *
2823         * @hide
2824         */
2825        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2826
2827        /**
2828         * AP passphrase
2829         *
2830         * @hide
2831         */
2832        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2833
2834        /**
2835         * The acceptable packet loss percentage (range 0 - 100) before trying
2836         * another AP on the same network.
2837         */
2838        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2839                "wifi_watchdog_acceptable_packet_loss_percentage";
2840
2841        /**
2842         * The number of access points required for a network in order for the
2843         * watchdog to monitor it.
2844         */
2845        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2846
2847        /**
2848         * The delay between background checks.
2849         */
2850        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2851                "wifi_watchdog_background_check_delay_ms";
2852
2853        /**
2854         * Whether the Wi-Fi watchdog is enabled for background checking even
2855         * after it thinks the user has connected to a good access point.
2856         */
2857        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2858                "wifi_watchdog_background_check_enabled";
2859
2860        /**
2861         * The timeout for a background ping
2862         */
2863        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2864                "wifi_watchdog_background_check_timeout_ms";
2865
2866        /**
2867         * The number of initial pings to perform that *may* be ignored if they
2868         * fail. Again, if these fail, they will *not* be used in packet loss
2869         * calculation. For example, one network always seemed to time out for
2870         * the first couple pings, so this is set to 3 by default.
2871         */
2872        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2873            "wifi_watchdog_initial_ignored_ping_count";
2874
2875        /**
2876         * The maximum number of access points (per network) to attempt to test.
2877         * If this number is reached, the watchdog will no longer monitor the
2878         * initial connection state for the network. This is a safeguard for
2879         * networks containing multiple APs whose DNS does not respond to pings.
2880         */
2881        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2882
2883        /**
2884         * Whether the Wi-Fi watchdog is enabled.
2885         */
2886        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2887
2888        /**
2889         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2890         */
2891        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2892
2893        /**
2894         * The number of pings to test if an access point is a good connection.
2895         */
2896        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2897
2898        /**
2899         * The delay between pings.
2900         */
2901        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2902
2903        /**
2904         * The timeout per ping.
2905         */
2906        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2907
2908        /**
2909         * The maximum number of times we will retry a connection to an access
2910         * point for which we have failed in acquiring an IP address from DHCP.
2911         * A value of N means that we will make N+1 connection attempts in all.
2912         */
2913        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2914
2915        /**
2916         * The operational wifi frequency band
2917         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
2918         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
2919         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
2920         *
2921         * @hide
2922         */
2923        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
2924
2925        /**
2926         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2927         * data connectivity to be established after a disconnect from Wi-Fi.
2928         */
2929        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2930            "wifi_mobile_data_transition_wakelock_timeout_ms";
2931
2932        /**
2933         * Whether background data usage is allowed by the user. See
2934         * ConnectivityManager for more info.
2935         */
2936        public static final String BACKGROUND_DATA = "background_data";
2937
2938        /**
2939         * Origins for which browsers should allow geolocation by default.
2940         * The value is a space-separated list of origins.
2941         */
2942        public static final String ALLOWED_GEOLOCATION_ORIGINS
2943                = "allowed_geolocation_origins";
2944
2945        /**
2946         * Whether mobile data connections are allowed by the user.  See
2947         * ConnectivityManager for more info.
2948         * @hide
2949         */
2950        public static final String MOBILE_DATA = "mobile_data";
2951
2952        /**
2953         * The CDMA roaming mode 0 = Home Networks, CDMA default
2954         *                       1 = Roaming on Affiliated networks
2955         *                       2 = Roaming on any networks
2956         * @hide
2957         */
2958        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2959
2960        /**
2961         * The CDMA subscription mode 0 = RUIM/SIM (default)
2962         *                                1 = NV
2963         * @hide
2964         */
2965        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2966
2967        /**
2968         * The preferred network mode   7 = Global
2969         *                              6 = EvDo only
2970         *                              5 = CDMA w/o EvDo
2971         *                              4 = CDMA / EvDo auto
2972         *                              3 = GSM / WCDMA auto
2973         *                              2 = WCDMA only
2974         *                              1 = GSM only
2975         *                              0 = GSM / WCDMA preferred
2976         * @hide
2977         */
2978        public static final String PREFERRED_NETWORK_MODE =
2979                "preferred_network_mode";
2980
2981        /**
2982         * The preferred TTY mode     0 = TTy Off, CDMA default
2983         *                            1 = TTY Full
2984         *                            2 = TTY HCO
2985         *                            3 = TTY VCO
2986         * @hide
2987         */
2988        public static final String PREFERRED_TTY_MODE =
2989                "preferred_tty_mode";
2990
2991
2992        /**
2993         * CDMA Cell Broadcast SMS
2994         *                            0 = CDMA Cell Broadcast SMS disabled
2995         *                            1 = CDMA Cell Broadcast SMS enabled
2996         * @hide
2997         */
2998        public static final String CDMA_CELL_BROADCAST_SMS =
2999                "cdma_cell_broadcast_sms";
3000
3001        /**
3002         * The cdma subscription 0 = Subscription from RUIM, when available
3003         *                       1 = Subscription from NV
3004         * @hide
3005         */
3006        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3007                "preferred_cdma_subscription";
3008
3009        /**
3010         * Whether the enhanced voice privacy mode is enabled.
3011         * 0 = normal voice privacy
3012         * 1 = enhanced voice privacy
3013         * @hide
3014         */
3015        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3016
3017        /**
3018         * Whether the TTY mode mode is enabled.
3019         * 0 = disabled
3020         * 1 = enabled
3021         * @hide
3022         */
3023        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3024
3025        /**
3026         * Controls whether settings backup is enabled.
3027         * Type: int ( 0 = disabled, 1 = enabled )
3028         * @hide
3029         */
3030        public static final String BACKUP_ENABLED = "backup_enabled";
3031
3032        /**
3033         * Controls whether application data is automatically restored from backup
3034         * at install time.
3035         * Type: int ( 0 = disabled, 1 = enabled )
3036         * @hide
3037         */
3038        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3039
3040        /**
3041         * Indicates whether settings backup has been fully provisioned.
3042         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3043         * @hide
3044         */
3045        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3046
3047        /**
3048         * Component of the transport to use for backup/restore.
3049         * @hide
3050         */
3051        public static final String BACKUP_TRANSPORT = "backup_transport";
3052
3053        /**
3054         * Version for which the setup wizard was last shown.  Bumped for
3055         * each release when there is new setup information to show.
3056         * @hide
3057         */
3058        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3059
3060        /**
3061         * How frequently (in seconds) to check the memory status of the
3062         * device.
3063         * @hide
3064         */
3065        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3066
3067        /**
3068         * Max frequency (in seconds) to log memory check stats, in realtime
3069         * seconds.  This allows for throttling of logs when the device is
3070         * running for large amounts of time.
3071         * @hide
3072         */
3073        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3074                "memcheck_log_realtime_interval";
3075
3076        /**
3077         * Boolean indicating whether rebooting due to system memory checks
3078         * is enabled.
3079         * @hide
3080         */
3081        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3082
3083        /**
3084         * How many bytes the system process must be below to avoid scheduling
3085         * a soft reboot.  This reboot will happen when it is next determined
3086         * to be a good time.
3087         * @hide
3088         */
3089        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3090
3091        /**
3092         * How many bytes the system process must be below to avoid scheduling
3093         * a hard reboot.  This reboot will happen immediately.
3094         * @hide
3095         */
3096        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3097
3098        /**
3099         * How many bytes the phone process must be below to avoid scheduling
3100         * a soft restart.  This restart will happen when it is next determined
3101         * to be a good time.
3102         * @hide
3103         */
3104        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3105
3106        /**
3107         * How many bytes the phone process must be below to avoid scheduling
3108         * a hard restart.  This restart will happen immediately.
3109         * @hide
3110         */
3111        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3112
3113        /**
3114         * Boolean indicating whether restarting the phone process due to
3115         * memory checks is enabled.
3116         * @hide
3117         */
3118        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3119
3120        /**
3121         * First time during the day it is okay to kill processes
3122         * or reboot the device due to low memory situations.  This number is
3123         * in seconds since midnight.
3124         * @hide
3125         */
3126        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3127
3128        /**
3129         * Last time during the day it is okay to kill processes
3130         * or reboot the device due to low memory situations.  This number is
3131         * in seconds since midnight.
3132         * @hide
3133         */
3134        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3135
3136        /**
3137         * How long the screen must have been off in order to kill processes
3138         * or reboot.  This number is in seconds.  A value of -1 means to
3139         * entirely disregard whether the screen is on.
3140         * @hide
3141         */
3142        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3143
3144        /**
3145         * How much time there must be until the next alarm in order to kill processes
3146         * or reboot.  This number is in seconds.  Note: this value must be
3147         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3148         * always see an alarm scheduled within its time.
3149         * @hide
3150         */
3151        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3152
3153        /**
3154         * How frequently to check whether it is a good time to restart things,
3155         * if the device is in a bad state.  This number is in seconds.  Note:
3156         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3157         * the alarm to schedule the recheck will always appear within the
3158         * minimum "do not execute now" time.
3159         * @hide
3160         */
3161        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3162
3163        /**
3164         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3165         * will occur.
3166         * @hide
3167         */
3168        public static final String REBOOT_INTERVAL = "reboot_interval";
3169
3170        /**
3171         * First time during the day it is okay to force a reboot of the
3172         * device (if REBOOT_INTERVAL is set).  This number is
3173         * in seconds since midnight.
3174         * @hide
3175         */
3176        public static final String REBOOT_START_TIME = "reboot_start_time";
3177
3178        /**
3179         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3180         * a reboot can be executed.  If 0, a reboot will always be executed at
3181         * exactly the given time.  Otherwise, it will only be executed if
3182         * the device is idle within the window.
3183         * @hide
3184         */
3185        public static final String REBOOT_WINDOW = "reboot_window";
3186
3187        /**
3188         * Threshold values for the duration and level of a discharge cycle, under
3189         * which we log discharge cycle info.
3190         * @hide
3191         */
3192        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3193                "battery_discharge_duration_threshold";
3194        /** @hide */
3195        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3196
3197        /**
3198         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3199         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3200         * will never display the "Report" button.
3201         * Type: int ( 0 = disallow, 1 = allow )
3202         * @hide
3203         */
3204        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3205
3206        /**
3207         * Nonzero causes Log.wtf() to crash.
3208         * @hide
3209         */
3210        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3211
3212        /**
3213         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3214         * @hide
3215         */
3216        public static final String DROPBOX_AGE_SECONDS =
3217                "dropbox_age_seconds";
3218        /**
3219         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3220         * @hide
3221         */
3222        public static final String DROPBOX_MAX_FILES =
3223                "dropbox_max_files";
3224        /**
3225         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3226         * @hide
3227         */
3228        public static final String DROPBOX_QUOTA_KB =
3229                "dropbox_quota_kb";
3230        /**
3231         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3232         * @hide
3233         */
3234        public static final String DROPBOX_QUOTA_PERCENT =
3235                "dropbox_quota_percent";
3236        /**
3237         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3238         * @hide
3239         */
3240        public static final String DROPBOX_RESERVE_PERCENT =
3241                "dropbox_reserve_percent";
3242        /**
3243         * Prefix for per-tag dropbox disable/enable settings.
3244         * @hide
3245         */
3246        public static final String DROPBOX_TAG_PREFIX =
3247                "dropbox:";
3248        /**
3249         * Lines of logcat to include with system crash/ANR/etc. reports,
3250         * as a prefix of the dropbox tag of the report type.
3251         * For example, "logcat_for_system_server_anr" controls the lines
3252         * of logcat captured with system server ANR reports.  0 to disable.
3253         * @hide
3254         */
3255        public static final String ERROR_LOGCAT_PREFIX =
3256                "logcat_for_";
3257
3258
3259        /**
3260         * Screen timeout in milliseconds corresponding to the
3261         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3262         * possible screen timeout behavior.)
3263         * @hide
3264         */
3265        public static final String SHORT_KEYLIGHT_DELAY_MS =
3266                "short_keylight_delay_ms";
3267
3268        /**
3269         * The interval in minutes after which the amount of free storage left on the
3270         * device is logged to the event log
3271         * @hide
3272         */
3273        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3274                "sys_free_storage_log_interval";
3275
3276        /**
3277         * Threshold for the amount of change in disk free space required to report the amount of
3278         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3279         * frequently.
3280         * @hide
3281         */
3282        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3283                "disk_free_change_reporting_threshold";
3284
3285
3286        /**
3287         * Minimum percentage of free storage on the device that is used to determine if
3288         * the device is running low on storage.  The default is 10.
3289         * <p>Say this value is set to 10, the device is considered running low on storage
3290         * if 90% or more of the device storage is filled up.
3291         * @hide
3292         */
3293        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3294                "sys_storage_threshold_percentage";
3295
3296        /**
3297         * Maximum byte size of the low storage threshold.  This is to ensure
3298         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3299         * an overly large threshold for large storage devices.  Currently this
3300         * must be less than 2GB.  This default is 500MB.
3301         * @hide
3302         */
3303        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3304                "sys_storage_threshold_max_bytes";
3305
3306        /**
3307         * Minimum bytes of free storage on the device before the data
3308         * partition is considered full. By default, 1 MB is reserved
3309         * to avoid system-wide SQLite disk full exceptions.
3310         * @hide
3311         */
3312        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3313                "sys_storage_full_threshold_bytes";
3314
3315        /**
3316         * The interval in milliseconds after which Wi-Fi is considered idle.
3317         * When idle, it is possible for the device to be switched from Wi-Fi to
3318         * the mobile data network.
3319         * @hide
3320         */
3321        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3322
3323        /**
3324         * The interval in milliseconds to issue wake up scans when wifi needs
3325         * to connect. This is necessary to connect to an access point when
3326         * device is on the move and the screen is off.
3327         * @hide
3328         */
3329        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3330                "wifi_framework_scan_interval_ms";
3331
3332        /**
3333         * The interval in milliseconds to scan as used by the wifi supplicant
3334         * @hide
3335         */
3336        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3337                "wifi_supplicant_scan_interval_ms";
3338
3339        /**
3340         * The interval in milliseconds at which to check packet counts on the
3341         * mobile data interface when screen is on, to detect possible data
3342         * connection problems.
3343         * @hide
3344         */
3345        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3346                "pdp_watchdog_poll_interval_ms";
3347
3348        /**
3349         * The interval in milliseconds at which to check packet counts on the
3350         * mobile data interface when screen is off, to detect possible data
3351         * connection problems.
3352         * @hide
3353         */
3354        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3355                "pdp_watchdog_long_poll_interval_ms";
3356
3357        /**
3358         * The interval in milliseconds at which to check packet counts on the
3359         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3360         * outgoing packets has been reached without incoming packets.
3361         * @hide
3362         */
3363        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3364                "pdp_watchdog_error_poll_interval_ms";
3365
3366        /**
3367         * The number of outgoing packets sent without seeing an incoming packet
3368         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3369         * device is logged to the event log
3370         * @hide
3371         */
3372        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3373                "pdp_watchdog_trigger_packet_count";
3374
3375        /**
3376         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3377         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3378         * attempting data connection recovery.
3379         * @hide
3380         */
3381        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3382                "pdp_watchdog_error_poll_count";
3383
3384        /**
3385         * The number of failed PDP reset attempts before moving to something more
3386         * drastic: re-registering to the network.
3387         * @hide
3388         */
3389        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3390                "pdp_watchdog_max_pdp_reset_fail_count";
3391
3392        /**
3393         * The interval in milliseconds at which to check gprs registration
3394         * after the first registration mismatch of gprs and voice service,
3395         * to detect possible data network registration problems.
3396         *
3397         * @hide
3398         */
3399        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3400                "gprs_register_check_period_ms";
3401
3402        /**
3403         * The length of time in milli-seconds that automatic small adjustments to
3404         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3405         * @hide
3406         */
3407        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3408
3409        /**
3410         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3411         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3412         * exceeded.
3413         * @hide
3414         */
3415        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3416
3417        /**
3418         * The maximum reconnect delay for short network outages or when the network is suspended
3419         * due to phone use.
3420         * @hide
3421         */
3422        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3423                "sync_max_retry_delay_in_seconds";
3424
3425        /**
3426         * The interval in milliseconds at which to check the number of SMS sent
3427         * out without asking for use permit, to limit the un-authorized SMS
3428         * usage.
3429         * @hide
3430         */
3431        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3432                "sms_outgoing_check_interval_ms";
3433
3434        /**
3435         * The number of outgoing SMS sent without asking for user permit
3436         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3437         * @hide
3438         */
3439        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3440                "sms_outgoing_check_max_count";
3441
3442        /**
3443         * The number of promoted sources in GlobalSearch.
3444         * @hide
3445         */
3446        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3447        /**
3448         * The maximum number of suggestions returned by GlobalSearch.
3449         * @hide
3450         */
3451        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3452        /**
3453         * The number of suggestions GlobalSearch will ask each non-web search source for.
3454         * @hide
3455         */
3456        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3457        /**
3458         * The number of suggestions the GlobalSearch will ask the web search source for.
3459         * @hide
3460         */
3461        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3462                "search_web_results_override_limit";
3463        /**
3464         * The number of milliseconds that GlobalSearch will wait for suggestions from
3465         * promoted sources before continuing with all other sources.
3466         * @hide
3467         */
3468        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3469                "search_promoted_source_deadline_millis";
3470        /**
3471         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3472         * @hide
3473         */
3474        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3475        /**
3476         * The maximum number of milliseconds that GlobalSearch shows the previous results
3477         * after receiving a new query.
3478         * @hide
3479         */
3480        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3481        /**
3482         * The maximum age of log data used for shortcuts in GlobalSearch.
3483         * @hide
3484         */
3485        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3486        /**
3487         * The maximum age of log data used for source ranking in GlobalSearch.
3488         * @hide
3489         */
3490        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3491                "search_max_source_event_age_millis";
3492        /**
3493         * The minimum number of impressions needed to rank a source in GlobalSearch.
3494         * @hide
3495         */
3496        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3497                "search_min_impressions_for_source_ranking";
3498        /**
3499         * The minimum number of clicks needed to rank a source in GlobalSearch.
3500         * @hide
3501         */
3502        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3503                "search_min_clicks_for_source_ranking";
3504        /**
3505         * The maximum number of shortcuts shown by GlobalSearch.
3506         * @hide
3507         */
3508        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3509        /**
3510         * The size of the core thread pool for suggestion queries in GlobalSearch.
3511         * @hide
3512         */
3513        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3514                "search_query_thread_core_pool_size";
3515        /**
3516         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3517         * @hide
3518         */
3519        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3520                "search_query_thread_max_pool_size";
3521        /**
3522         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3523         * @hide
3524         */
3525        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3526                "search_shortcut_refresh_core_pool_size";
3527        /**
3528         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3529         * @hide
3530         */
3531        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3532                "search_shortcut_refresh_max_pool_size";
3533        /**
3534         * The maximun time that excess threads in the GlobalSeach thread pools will
3535         * wait before terminating.
3536         * @hide
3537         */
3538        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3539                "search_thread_keepalive_seconds";
3540        /**
3541         * The maximum number of concurrent suggestion queries to each source.
3542         * @hide
3543         */
3544        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3545                "search_per_source_concurrent_query_limit";
3546
3547        /**
3548         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3549         * @hide
3550         */
3551        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3552
3553        /**
3554         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3555         * @hide
3556         */
3557        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3558
3559        /**
3560         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3561         * @hide
3562         */
3563        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3564
3565        /**
3566         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3567         * @hide
3568         */
3569        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3570
3571        /**
3572         * If nonzero, ANRs in invisible background processes bring up a dialog.
3573         * Otherwise, the process will be silently killed.
3574         * @hide
3575         */
3576        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3577
3578        /**
3579         * The {@link ComponentName} string of the service to be used as the voice recognition
3580         * service.
3581         *
3582         * @hide
3583         */
3584        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3585
3586        /**
3587         * What happens when the user presses the Power button while in-call
3588         * and the screen is on.<br/>
3589         * <b>Values:</b><br/>
3590         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3591         * 2 - The Power button hangs up the current call.<br/>
3592         *
3593         * @hide
3594         */
3595        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3596
3597        /**
3598         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3599         * @hide
3600         */
3601        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3602
3603        /**
3604         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3605         * @hide
3606         */
3607        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3608
3609        /**
3610         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3611         * @hide
3612         */
3613        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3614                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3615
3616        /**
3617         * The current night mode that has been selected by the user.  Owned
3618         * and controlled by UiModeManagerService.  Constants are as per
3619         * UiModeManager.
3620         * @hide
3621         */
3622        public static final String UI_NIGHT_MODE = "ui_night_mode";
3623
3624        /**
3625         * Let user pick default install location.
3626         * @hide
3627         */
3628        public static final String SET_INSTALL_LOCATION = "set_install_location";
3629
3630        /**
3631         * Default install location value.
3632         * 0 = auto, let system decide
3633         * 1 = internal
3634         * 2 = sdcard
3635         * @hide
3636         */
3637        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3638
3639        /**
3640         * The bandwidth throttle polling freqency in seconds
3641         * @hide
3642         */
3643        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3644
3645        /**
3646         * The bandwidth throttle threshold (long)
3647         * @hide
3648         */
3649        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3650
3651        /**
3652         * The bandwidth throttle value (kbps)
3653         * @hide
3654         */
3655        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3656
3657        /**
3658         * The bandwidth throttle reset calendar day (1-28)
3659         * @hide
3660         */
3661        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3662
3663        /**
3664         * The throttling notifications we should send
3665         * @hide
3666         */
3667        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3668
3669        /**
3670         * Help URI for data throttling policy
3671         * @hide
3672         */
3673        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3674
3675        /**
3676         * The length of time in Sec that we allow our notion of NTP time
3677         * to be cached before we refresh it
3678         * @hide
3679         */
3680        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3681                "throttle_max_ntp_cache_age_sec";
3682
3683        /**
3684         * The maximum size, in bytes, of a download that the download manager will transfer over
3685         * a non-wifi connection.
3686         * @hide
3687         */
3688        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3689                "download_manager_max_bytes_over_mobile";
3690
3691        /**
3692         * The recommended maximum size, in bytes, of a download that the download manager should
3693         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3694         * have the option to start the download over the mobile connection anyway.
3695         * @hide
3696         */
3697        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3698                "download_manager_recommended_max_bytes_over_mobile";
3699
3700        /**
3701         * ms during which to consume extra events related to Inet connection condition
3702         * after a transtion to fully-connected
3703         * @hide
3704         */
3705        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3706                "inet_condition_debounce_up_delay";
3707
3708        /**
3709         * ms during which to consume extra events related to Inet connection condtion
3710         * after a transtion to partly-connected
3711         * @hide
3712         */
3713        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3714                "inet_condition_debounce_down_delay";
3715
3716        /**
3717         * URL to open browser on to allow user to manage a prepay account
3718         * @hide
3719         */
3720        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
3721                "setup_prepaid_data_service_url";
3722
3723        /**
3724         * URL to attempt a GET on to see if this is a prepay device
3725         * @hide
3726         */
3727        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
3728                "setup_prepaid_detection_target_url";
3729
3730        /**
3731         * Host to check for a redirect to after an attempt to GET
3732         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
3733         * this is a prepaid device with zero balance.)
3734         * @hide
3735         */
3736        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
3737                "setup_prepaid_detection_redir_host";
3738
3739        /**
3740         * The user's preferred "dream" (interactive screensaver) component.
3741         *
3742         * This component will be launched by the PhoneWindowManager after the user's chosen idle
3743         * timeout (specified by {@link #DREAM_TIMEOUT}).
3744         * @hide
3745         */
3746        public static final String DREAM_COMPONENT =
3747                "dream_component";
3748
3749        /**
3750         * The delay before a "dream" is started (set to 0 to disable).
3751         * @hide
3752         */
3753        public static final String DREAM_TIMEOUT =
3754                "dream_timeout";
3755
3756        /**
3757         * @hide
3758         */
3759        public static final String[] SETTINGS_TO_BACKUP = {
3760            ADB_ENABLED,
3761            ALLOW_MOCK_LOCATION,
3762            PARENTAL_CONTROL_ENABLED,
3763            PARENTAL_CONTROL_REDIRECT_URL,
3764            USB_MASS_STORAGE_ENABLED,
3765            ACCESSIBILITY_ENABLED,
3766            ACCESSIBILITY_SCRIPT_INJECTION,
3767            BACKUP_AUTO_RESTORE,
3768            ENABLED_ACCESSIBILITY_SERVICES,
3769            TTS_USE_DEFAULTS,
3770            TTS_DEFAULT_RATE,
3771            TTS_DEFAULT_PITCH,
3772            TTS_DEFAULT_SYNTH,
3773            TTS_DEFAULT_LANG,
3774            TTS_DEFAULT_COUNTRY,
3775            TTS_ENABLED_PLUGINS,
3776            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3777            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3778            WIFI_NUM_OPEN_NETWORKS_KEPT,
3779            MOUNT_PLAY_NOTIFICATION_SND,
3780            MOUNT_UMS_AUTOSTART,
3781            MOUNT_UMS_PROMPT,
3782            MOUNT_UMS_NOTIFY_ENABLED,
3783            UI_NIGHT_MODE
3784        };
3785
3786        /**
3787         * Helper method for determining if a location provider is enabled.
3788         * @param cr the content resolver to use
3789         * @param provider the location provider to query
3790         * @return true if the provider is enabled
3791         */
3792        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3793            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3794            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3795        }
3796
3797        /**
3798         * Thread-safe method for enabling or disabling a single location provider.
3799         * @param cr the content resolver to use
3800         * @param provider the location provider to enable or disable
3801         * @param enabled true if the provider should be enabled
3802         */
3803        public static final void setLocationProviderEnabled(ContentResolver cr,
3804                String provider, boolean enabled) {
3805            // to ensure thread safety, we write the provider name with a '+' or '-'
3806            // and let the SettingsProvider handle it rather than reading and modifying
3807            // the list of enabled providers.
3808            if (enabled) {
3809                provider = "+" + provider;
3810            } else {
3811                provider = "-" + provider;
3812            }
3813            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3814        }
3815    }
3816
3817    /**
3818     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3819     * Intent URL, allowing it to be either a web page or a particular
3820     * application activity.
3821     *
3822     * @hide
3823     */
3824    public static final class Bookmarks implements BaseColumns
3825    {
3826        private static final String TAG = "Bookmarks";
3827
3828        /**
3829         * The content:// style URL for this table
3830         */
3831        public static final Uri CONTENT_URI =
3832            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3833
3834        /**
3835         * The row ID.
3836         * <p>Type: INTEGER</p>
3837         */
3838        public static final String ID = "_id";
3839
3840        /**
3841         * Descriptive name of the bookmark that can be displayed to the user.
3842         * If this is empty, the title should be resolved at display time (use
3843         * {@link #getTitle(Context, Cursor)} any time you want to display the
3844         * title of a bookmark.)
3845         * <P>
3846         * Type: TEXT
3847         * </P>
3848         */
3849        public static final String TITLE = "title";
3850
3851        /**
3852         * Arbitrary string (displayed to the user) that allows bookmarks to be
3853         * organized into categories.  There are some special names for
3854         * standard folders, which all start with '@'.  The label displayed for
3855         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3856         * the folder name does not change so you can consistently query for
3857         * the folder regardless of the current locale.
3858         *
3859         * <P>Type: TEXT</P>
3860         *
3861         */
3862        public static final String FOLDER = "folder";
3863
3864        /**
3865         * The Intent URL of the bookmark, describing what it points to.  This
3866         * value is given to {@link android.content.Intent#getIntent} to create
3867         * an Intent that can be launched.
3868         * <P>Type: TEXT</P>
3869         */
3870        public static final String INTENT = "intent";
3871
3872        /**
3873         * Optional shortcut character associated with this bookmark.
3874         * <P>Type: INTEGER</P>
3875         */
3876        public static final String SHORTCUT = "shortcut";
3877
3878        /**
3879         * The order in which the bookmark should be displayed
3880         * <P>Type: INTEGER</P>
3881         */
3882        public static final String ORDERING = "ordering";
3883
3884        private static final String[] sIntentProjection = { INTENT };
3885        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3886        private static final String sShortcutSelection = SHORTCUT + "=?";
3887
3888        /**
3889         * Convenience function to retrieve the bookmarked Intent for a
3890         * particular shortcut key.
3891         *
3892         * @param cr The ContentResolver to query.
3893         * @param shortcut The shortcut key.
3894         *
3895         * @return Intent The bookmarked URL, or null if there is no bookmark
3896         *         matching the given shortcut.
3897         */
3898        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3899        {
3900            Intent intent = null;
3901
3902            Cursor c = cr.query(CONTENT_URI,
3903                    sIntentProjection, sShortcutSelection,
3904                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3905            // Keep trying until we find a valid shortcut
3906            try {
3907                while (intent == null && c.moveToNext()) {
3908                    try {
3909                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3910                        intent = Intent.parseUri(intentURI, 0);
3911                    } catch (java.net.URISyntaxException e) {
3912                        // The stored URL is bad...  ignore it.
3913                    } catch (IllegalArgumentException e) {
3914                        // Column not found
3915                        Log.w(TAG, "Intent column not found", e);
3916                    }
3917                }
3918            } finally {
3919                if (c != null) c.close();
3920            }
3921
3922            return intent;
3923        }
3924
3925        /**
3926         * Add a new bookmark to the system.
3927         *
3928         * @param cr The ContentResolver to query.
3929         * @param intent The desired target of the bookmark.
3930         * @param title Bookmark title that is shown to the user; null if none
3931         *            or it should be resolved to the intent's title.
3932         * @param folder Folder in which to place the bookmark; null if none.
3933         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3934         *            this is non-zero and there is an existing bookmark entry
3935         *            with this same shortcut, then that existing shortcut is
3936         *            cleared (the bookmark is not removed).
3937         * @return The unique content URL for the new bookmark entry.
3938         */
3939        public static Uri add(ContentResolver cr,
3940                                           Intent intent,
3941                                           String title,
3942                                           String folder,
3943                                           char shortcut,
3944                                           int ordering)
3945        {
3946            // If a shortcut is supplied, and it is already defined for
3947            // another bookmark, then remove the old definition.
3948            if (shortcut != 0) {
3949                cr.delete(CONTENT_URI, sShortcutSelection,
3950                        new String[] { String.valueOf((int) shortcut) });
3951            }
3952
3953            ContentValues values = new ContentValues();
3954            if (title != null) values.put(TITLE, title);
3955            if (folder != null) values.put(FOLDER, folder);
3956            values.put(INTENT, intent.toUri(0));
3957            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3958            values.put(ORDERING, ordering);
3959            return cr.insert(CONTENT_URI, values);
3960        }
3961
3962        /**
3963         * Return the folder name as it should be displayed to the user.  This
3964         * takes care of localizing special folders.
3965         *
3966         * @param r Resources object for current locale; only need access to
3967         *          system resources.
3968         * @param folder The value found in the {@link #FOLDER} column.
3969         *
3970         * @return CharSequence The label for this folder that should be shown
3971         *         to the user.
3972         */
3973        public static CharSequence getLabelForFolder(Resources r, String folder) {
3974            return folder;
3975        }
3976
3977        /**
3978         * Return the title as it should be displayed to the user. This takes
3979         * care of localizing bookmarks that point to activities.
3980         *
3981         * @param context A context.
3982         * @param cursor A cursor pointing to the row whose title should be
3983         *        returned. The cursor must contain at least the {@link #TITLE}
3984         *        and {@link #INTENT} columns.
3985         * @return A title that is localized and can be displayed to the user,
3986         *         or the empty string if one could not be found.
3987         */
3988        public static CharSequence getTitle(Context context, Cursor cursor) {
3989            int titleColumn = cursor.getColumnIndex(TITLE);
3990            int intentColumn = cursor.getColumnIndex(INTENT);
3991            if (titleColumn == -1 || intentColumn == -1) {
3992                throw new IllegalArgumentException(
3993                        "The cursor must contain the TITLE and INTENT columns.");
3994            }
3995
3996            String title = cursor.getString(titleColumn);
3997            if (!TextUtils.isEmpty(title)) {
3998                return title;
3999            }
4000
4001            String intentUri = cursor.getString(intentColumn);
4002            if (TextUtils.isEmpty(intentUri)) {
4003                return "";
4004            }
4005
4006            Intent intent;
4007            try {
4008                intent = Intent.parseUri(intentUri, 0);
4009            } catch (URISyntaxException e) {
4010                return "";
4011            }
4012
4013            PackageManager packageManager = context.getPackageManager();
4014            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4015            return info != null ? info.loadLabel(packageManager) : "";
4016        }
4017    }
4018
4019    /**
4020     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4021     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4022     * from the GoogleLoginService.
4023     *
4024     * @param androidId The Android ID for this device.
4025     * @return The device ID that should be used when connecting to the mobile gtalk server.
4026     * @hide
4027     */
4028    public static String getGTalkDeviceId(long androidId) {
4029        return "android-" + Long.toHexString(androidId);
4030    }
4031}
4032