Settings.java revision 05fefe62eedda9a694aee056ef34e0a01288fd58
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import com.google.android.collect.Maps;
20
21import org.apache.commons.codec.binary.Base64;
22
23import android.annotation.SdkConstant;
24import android.annotation.SdkConstant.SdkConstantType;
25import android.content.ComponentName;
26import android.content.ContentQueryMap;
27import android.content.ContentResolver;
28import android.content.ContentValues;
29import android.content.Context;
30import android.content.IContentProvider;
31import android.content.Intent;
32import android.content.pm.ActivityInfo;
33import android.content.pm.PackageManager;
34import android.content.pm.ResolveInfo;
35import android.content.res.Configuration;
36import android.content.res.Resources;
37import android.database.Cursor;
38import android.database.SQLException;
39import android.net.Uri;
40import android.os.*;
41import android.telephony.TelephonyManager;
42import android.text.TextUtils;
43import android.util.AndroidException;
44import android.util.Config;
45import android.util.Log;
46
47import java.net.URISyntaxException;
48import java.security.MessageDigest;
49import java.security.NoSuchAlgorithmException;
50import java.util.Collections;
51import java.util.HashMap;
52import java.util.HashSet;
53import java.util.Map;
54
55
56/**
57 * The Settings provider contains global system-level device preferences.
58 */
59public final class Settings {
60
61    // Intent actions for Settings
62
63    /**
64     * Activity Action: Show system settings.
65     * <p>
66     * Input: Nothing.
67     * <p>
68     * Output: nothing.
69     */
70    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
71    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
72
73    /**
74     * Activity Action: Show settings to allow configuration of APNs.
75     * <p>
76     * Input: Nothing.
77     * <p>
78     * Output: nothing.
79     */
80    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
81    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
82
83    /**
84     * Activity Action: Show settings to allow configuration of current location
85     * sources.
86     * <p>
87     * In some cases, a matching Activity may not exist, so ensure you
88     * safeguard against this.
89     * <p>
90     * Input: Nothing.
91     * <p>
92     * Output: Nothing.
93     */
94    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
95    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
96            "android.settings.LOCATION_SOURCE_SETTINGS";
97
98    /**
99     * Activity Action: Show settings to allow configuration of wireless controls
100     * such as Wi-Fi, Bluetooth and Mobile networks.
101     * <p>
102     * In some cases, a matching Activity may not exist, so ensure you
103     * safeguard against this.
104     * <p>
105     * Input: Nothing.
106     * <p>
107     * Output: Nothing.
108     */
109    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
110    public static final String ACTION_WIRELESS_SETTINGS =
111            "android.settings.WIRELESS_SETTINGS";
112
113    /**
114     * Activity Action: Show settings to allow entering/exiting airplane mode.
115     * <p>
116     * In some cases, a matching Activity may not exist, so ensure you
117     * safeguard against this.
118     * <p>
119     * Input: Nothing.
120     * <p>
121     * Output: Nothing.
122     */
123    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
124    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
125            "android.settings.AIRPLANE_MODE_SETTINGS";
126
127    /**
128     * Activity Action: Show settings for accessibility modules.
129     * <p>
130     * In some cases, a matching Activity may not exist, so ensure you
131     * safeguard against this.
132     * <p>
133     * Input: Nothing.
134     * <p>
135     * Output: Nothing.
136     */
137    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
138    public static final String ACTION_ACCESSIBILITY_SETTINGS =
139            "android.settings.ACCESSIBILITY_SETTINGS";
140
141    /**
142     * Activity Action: Show settings to allow configuration of security and
143     * location privacy.
144     * <p>
145     * In some cases, a matching Activity may not exist, so ensure you
146     * safeguard against this.
147     * <p>
148     * Input: Nothing.
149     * <p>
150     * Output: Nothing.
151     */
152    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
153    public static final String ACTION_SECURITY_SETTINGS =
154            "android.settings.SECURITY_SETTINGS";
155
156    /**
157     * Activity Action: Show settings to allow configuration of privacy options.
158     * <p>
159     * In some cases, a matching Activity may not exist, so ensure you
160     * safeguard against this.
161     * <p>
162     * Input: Nothing.
163     * <p>
164     * Output: Nothing.
165     */
166    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
167    public static final String ACTION_PRIVACY_SETTINGS =
168            "android.settings.PRIVACY_SETTINGS";
169
170    /**
171     * Activity Action: Show settings to allow configuration of Wi-Fi.
172
173     * <p>
174     * In some cases, a matching Activity may not exist, so ensure you
175     * safeguard against this.
176     * <p>
177     * Input: Nothing.
178     * <p>
179     * Output: Nothing.
180
181     */
182    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
183    public static final String ACTION_WIFI_SETTINGS =
184            "android.settings.WIFI_SETTINGS";
185
186    /**
187     * Activity Action: Show settings to allow configuration of a static IP
188     * address for Wi-Fi.
189     * <p>
190     * In some cases, a matching Activity may not exist, so ensure you safeguard
191     * against this.
192     * <p>
193     * Input: Nothing.
194     * <p>
195     * Output: Nothing.
196     */
197    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
198    public static final String ACTION_WIFI_IP_SETTINGS =
199            "android.settings.WIFI_IP_SETTINGS";
200
201    /**
202     * Activity Action: Show settings to allow configuration of Bluetooth.
203     * <p>
204     * In some cases, a matching Activity may not exist, so ensure you
205     * safeguard against this.
206     * <p>
207     * Input: Nothing.
208     * <p>
209     * Output: Nothing.
210     */
211    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
212    public static final String ACTION_BLUETOOTH_SETTINGS =
213            "android.settings.BLUETOOTH_SETTINGS";
214
215    /**
216     * Activity Action: Show settings to allow configuration of date and time.
217     * <p>
218     * In some cases, a matching Activity may not exist, so ensure you
219     * safeguard against this.
220     * <p>
221     * Input: Nothing.
222     * <p>
223     * Output: Nothing.
224     */
225    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
226    public static final String ACTION_DATE_SETTINGS =
227            "android.settings.DATE_SETTINGS";
228
229    /**
230     * Activity Action: Show settings to allow configuration of sound and volume.
231     * <p>
232     * In some cases, a matching Activity may not exist, so ensure you
233     * safeguard against this.
234     * <p>
235     * Input: Nothing.
236     * <p>
237     * Output: Nothing.
238     */
239    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
240    public static final String ACTION_SOUND_SETTINGS =
241            "android.settings.SOUND_SETTINGS";
242
243    /**
244     * Activity Action: Show settings to allow configuration of display.
245     * <p>
246     * In some cases, a matching Activity may not exist, so ensure you
247     * safeguard against this.
248     * <p>
249     * Input: Nothing.
250     * <p>
251     * Output: Nothing.
252     */
253    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
254    public static final String ACTION_DISPLAY_SETTINGS =
255            "android.settings.DISPLAY_SETTINGS";
256
257    /**
258     * Activity Action: Show settings to allow configuration of locale.
259     * <p>
260     * In some cases, a matching Activity may not exist, so ensure you
261     * safeguard against this.
262     * <p>
263     * Input: Nothing.
264     * <p>
265     * Output: Nothing.
266     */
267    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
268    public static final String ACTION_LOCALE_SETTINGS =
269            "android.settings.LOCALE_SETTINGS";
270
271    /**
272     * Activity Action: Show settings to configure input methods, in particular
273     * allowing the user to enable input methods.
274     * <p>
275     * In some cases, a matching Activity may not exist, so ensure you
276     * safeguard against this.
277     * <p>
278     * Input: Nothing.
279     * <p>
280     * Output: Nothing.
281     */
282    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
283    public static final String ACTION_INPUT_METHOD_SETTINGS =
284            "android.settings.INPUT_METHOD_SETTINGS";
285
286    /**
287     * Activity Action: Show settings to manage the user input dictionary.
288     * <p>
289     * In some cases, a matching Activity may not exist, so ensure you
290     * safeguard against this.
291     * <p>
292     * Input: Nothing.
293     * <p>
294     * Output: Nothing.
295     */
296    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
297    public static final String ACTION_USER_DICTIONARY_SETTINGS =
298            "android.settings.USER_DICTIONARY_SETTINGS";
299
300    /**
301     * Activity Action: Show settings to allow configuration of application-related settings.
302     * <p>
303     * In some cases, a matching Activity may not exist, so ensure you
304     * safeguard against this.
305     * <p>
306     * Input: Nothing.
307     * <p>
308     * Output: Nothing.
309     */
310    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
311    public static final String ACTION_APPLICATION_SETTINGS =
312            "android.settings.APPLICATION_SETTINGS";
313
314    /**
315     * Activity Action: Show settings to allow configuration of application
316     * development-related settings.
317     * <p>
318     * In some cases, a matching Activity may not exist, so ensure you safeguard
319     * against this.
320     * <p>
321     * Input: Nothing.
322     * <p>
323     * Output: Nothing.
324     */
325    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
326    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
327            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
328
329    /**
330     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
331     * <p>
332     * In some cases, a matching Activity may not exist, so ensure you
333     * safeguard against this.
334     * <p>
335     * Input: Nothing.
336     * <p>
337     * Output: Nothing.
338     */
339    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
340    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
341            "android.settings.QUICK_LAUNCH_SETTINGS";
342
343    /**
344     * Activity Action: Show settings to manage installed applications.
345     * <p>
346     * In some cases, a matching Activity may not exist, so ensure you
347     * safeguard against this.
348     * <p>
349     * Input: Nothing.
350     * <p>
351     * Output: Nothing.
352     */
353    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
354    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
355            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
356
357    /**
358     * Activity Action: Show settings for system update functionality.
359     * <p>
360     * In some cases, a matching Activity may not exist, so ensure you
361     * safeguard against this.
362     * <p>
363     * Input: Nothing.
364     * <p>
365     * Output: Nothing.
366     *
367     * @hide
368     */
369    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
370    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
371            "android.settings.SYSTEM_UPDATE_SETTINGS";
372
373    /**
374     * Activity Action: Show settings to allow configuration of sync settings.
375     * <p>
376     * In some cases, a matching Activity may not exist, so ensure you
377     * safeguard against this.
378     * <p>
379     * The account types available to add via the add account button may be restricted by adding an
380     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
381     * authorities. Only account types which can sync with that content provider will be offered to
382     * the user.
383     * <p>
384     * Input: Nothing.
385     * <p>
386     * Output: Nothing.
387     */
388    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
389    public static final String ACTION_SYNC_SETTINGS =
390            "android.settings.SYNC_SETTINGS";
391
392    /**
393     * Activity Action: Show add account screen for creating a new account.
394     * <p>
395     * In some cases, a matching Activity may not exist, so ensure you
396     * safeguard against this.
397     * <p>
398     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
399     * extra to the Intent with one or more syncable content provider's authorities.  Only account
400     * types which can sync with that content provider will be offered to the user.
401     * <p>
402     * Input: Nothing.
403     * <p>
404     * Output: Nothing.
405     */
406    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
407    public static final String ACTION_ADD_ACCOUNT =
408            "android.settings.ADD_ACCOUNT_SETTINGS";
409
410    /**
411     * Activity Action: Show settings for selecting the network operator.
412     * <p>
413     * In some cases, a matching Activity may not exist, so ensure you
414     * safeguard against this.
415     * <p>
416     * Input: Nothing.
417     * <p>
418     * Output: Nothing.
419     */
420    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
421    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
422            "android.settings.NETWORK_OPERATOR_SETTINGS";
423
424    /**
425     * Activity Action: Show settings for selection of 2G/3G.
426     * <p>
427     * In some cases, a matching Activity may not exist, so ensure you
428     * safeguard against this.
429     * <p>
430     * Input: Nothing.
431     * <p>
432     * Output: Nothing.
433     */
434    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
435    public static final String ACTION_DATA_ROAMING_SETTINGS =
436            "android.settings.DATA_ROAMING_SETTINGS";
437
438    /**
439     * Activity Action: Show settings for internal storage.
440     * <p>
441     * In some cases, a matching Activity may not exist, so ensure you
442     * safeguard against this.
443     * <p>
444     * Input: Nothing.
445     * <p>
446     * Output: Nothing.
447     */
448    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
449    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
450            "android.settings.INTERNAL_STORAGE_SETTINGS";
451    /**
452     * Activity Action: Show settings for memory card storage.
453     * <p>
454     * In some cases, a matching Activity may not exist, so ensure you
455     * safeguard against this.
456     * <p>
457     * Input: Nothing.
458     * <p>
459     * Output: Nothing.
460     */
461    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
462    public static final String ACTION_MEMORY_CARD_SETTINGS =
463            "android.settings.MEMORY_CARD_SETTINGS";
464
465    /**
466     * Activity Action: Show settings for global search.
467     * <p>
468     * In some cases, a matching Activity may not exist, so ensure you
469     * safeguard against this.
470     * <p>
471     * Input: Nothing.
472     * <p>
473     * Output: Nothing
474     */
475    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
476    public static final String ACTION_SEARCH_SETTINGS =
477        "android.search.action.SEARCH_SETTINGS";
478
479    /**
480     * Activity Action: Show general device information settings (serial
481     * number, software version, phone number, etc.).
482     * <p>
483     * In some cases, a matching Activity may not exist, so ensure you
484     * safeguard against this.
485     * <p>
486     * Input: Nothing.
487     * <p>
488     * Output: Nothing
489     */
490    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
491    public static final String ACTION_DEVICE_INFO_SETTINGS =
492        "android.settings.DEVICE_INFO_SETTINGS";
493
494    // End of Intent actions for Settings
495
496    /**
497     * @hide - Private call() method on SettingsProvider to read from 'system' table.
498     */
499    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
500
501    /**
502     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
503     */
504    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
505
506    /**
507     * Activity Extra: Limit available options in launched activity based on the given authority.
508     * <p>
509     * This can be passed as an extra field in an Activity Intent with one or more syncable content
510     * provider's authorities as a String[]. This field is used by some intents to alter the
511     * behavior of the called activity.
512     * <p>
513     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
514     * on the authority given.
515     */
516    public static final String EXTRA_AUTHORITIES =
517            "authorities";
518
519    private static final String JID_RESOURCE_PREFIX = "android";
520
521    public static final String AUTHORITY = "settings";
522
523    private static final String TAG = "Settings";
524    private static final boolean LOCAL_LOGV = Config.LOGV || false;
525
526    public static class SettingNotFoundException extends AndroidException {
527        public SettingNotFoundException(String msg) {
528            super(msg);
529        }
530    }
531
532    /**
533     * Common base for tables of name/value settings.
534     */
535    public static class NameValueTable implements BaseColumns {
536        public static final String NAME = "name";
537        public static final String VALUE = "value";
538
539        protected static boolean putString(ContentResolver resolver, Uri uri,
540                String name, String value) {
541            // The database will take care of replacing duplicates.
542            try {
543                ContentValues values = new ContentValues();
544                values.put(NAME, name);
545                values.put(VALUE, value);
546                resolver.insert(uri, values);
547                return true;
548            } catch (SQLException e) {
549                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
550                return false;
551            }
552        }
553
554        public static Uri getUriFor(Uri uri, String name) {
555            return Uri.withAppendedPath(uri, name);
556        }
557    }
558
559    // Thread-safe.
560    private static class NameValueCache {
561        private final String mVersionSystemProperty;
562        private final Uri mUri;
563
564        private static final String[] SELECT_VALUE =
565            new String[] { Settings.NameValueTable.VALUE };
566        private static final String NAME_EQ_PLACEHOLDER = "name=?";
567
568        // Must synchronize on 'this' to access mValues and mValuesVersion.
569        private final HashMap<String, String> mValues = new HashMap<String, String>();
570        private long mValuesVersion = 0;
571
572        // Initially null; set lazily and held forever.  Synchronized on 'this'.
573        private IContentProvider mContentProvider = null;
574
575        // The method we'll call (or null, to not use) on the provider
576        // for the fast path of retrieving settings.
577        private final String mCallCommand;
578
579        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
580            mVersionSystemProperty = versionSystemProperty;
581            mUri = uri;
582            mCallCommand = callCommand;
583        }
584
585        public String getString(ContentResolver cr, String name) {
586            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
587
588            synchronized (this) {
589                if (mValuesVersion != newValuesVersion) {
590                    if (LOCAL_LOGV) {
591                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
592                                newValuesVersion + " != cached " + mValuesVersion);
593                    }
594
595                    mValues.clear();
596                    mValuesVersion = newValuesVersion;
597                }
598
599                if (mValues.containsKey(name)) {
600                    return mValues.get(name);  // Could be null, that's OK -- negative caching
601                }
602            }
603
604            IContentProvider cp = null;
605            synchronized (this) {
606                cp = mContentProvider;
607                if (cp == null) {
608                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
609                }
610            }
611
612            // Try the fast path first, not using query().  If this
613            // fails (alternate Settings provider that doesn't support
614            // this interface?) then we fall back to the query/table
615            // interface.
616            if (mCallCommand != null) {
617                try {
618                    Bundle b = cp.call(mCallCommand, name, null);
619                    if (b != null) {
620                        String value = b.getPairValue();
621                        synchronized (this) {
622                            mValues.put(name, value);
623                        }
624                        return value;
625                    }
626                    // If the response Bundle is null, we fall through
627                    // to the query interface below.
628                } catch (RemoteException e) {
629                    // Not supported by the remote side?  Fall through
630                    // to query().
631                }
632            }
633
634            Cursor c = null;
635            try {
636                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
637                             new String[]{name}, null);
638                if (c == null) {
639                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
640                    return null;
641                }
642
643                String value = c.moveToNext() ? c.getString(0) : null;
644                synchronized (this) {
645                    mValues.put(name, value);
646                }
647                if (LOCAL_LOGV) {
648                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
649                            name + " = " + (value == null ? "(null)" : value));
650                }
651                return value;
652            } catch (RemoteException e) {
653                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
654                return null;  // Return null, but don't cache it.
655            } finally {
656                if (c != null) c.close();
657            }
658        }
659    }
660
661    /**
662     * System settings, containing miscellaneous system preferences.  This
663     * table holds simple name/value pairs.  There are convenience
664     * functions for accessing individual settings entries.
665     */
666    public static final class System extends NameValueTable {
667        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
668
669        // Populated lazily, guarded by class object:
670        private static NameValueCache sNameValueCache = null;
671
672        private static final HashSet<String> MOVED_TO_SECURE;
673        static {
674            MOVED_TO_SECURE = new HashSet<String>(30);
675            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
676            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
677            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
678            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
679            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
680            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
681            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
682            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
683            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
684            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
685            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
686            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
687            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
688            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
689            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
690            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
691            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
692            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
693            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
694            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
695            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
696            MOVED_TO_SECURE.add(Secure.WIFI_ON);
697            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
698            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
699            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
700            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
701            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
702            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
703            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
704            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
705            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
706            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
707            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
708        }
709
710        /**
711         * Look up a name in the database.
712         * @param resolver to access the database with
713         * @param name to look up in the table
714         * @return the corresponding value, or null if not present
715         */
716        public synchronized static String getString(ContentResolver resolver, String name) {
717            if (MOVED_TO_SECURE.contains(name)) {
718                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
719                        + " to android.provider.Settings.Secure, returning read-only value.");
720                return Secure.getString(resolver, name);
721            }
722            if (sNameValueCache == null) {
723                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
724                                                     CALL_METHOD_GET_SYSTEM);
725            }
726            return sNameValueCache.getString(resolver, name);
727        }
728
729        /**
730         * Store a name/value pair into the database.
731         * @param resolver to access the database with
732         * @param name to store
733         * @param value to associate with the name
734         * @return true if the value was set, false on database errors
735         */
736        public static boolean putString(ContentResolver resolver, String name, String value) {
737            if (MOVED_TO_SECURE.contains(name)) {
738                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
739                        + " to android.provider.Settings.Secure, value is unchanged.");
740                return false;
741            }
742            return putString(resolver, CONTENT_URI, name, value);
743        }
744
745        /**
746         * Construct the content URI for a particular name/value pair,
747         * useful for monitoring changes with a ContentObserver.
748         * @param name to look up in the table
749         * @return the corresponding content URI, or null if not present
750         */
751        public static Uri getUriFor(String name) {
752            if (MOVED_TO_SECURE.contains(name)) {
753                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
754                    + " to android.provider.Settings.Secure, returning Secure URI.");
755                return Secure.getUriFor(Secure.CONTENT_URI, name);
756            }
757            return getUriFor(CONTENT_URI, name);
758        }
759
760        /**
761         * Convenience function for retrieving a single system settings value
762         * as an integer.  Note that internally setting values are always
763         * stored as strings; this function converts the string to an integer
764         * for you.  The default value will be returned if the setting is
765         * not defined or not an integer.
766         *
767         * @param cr The ContentResolver to access.
768         * @param name The name of the setting to retrieve.
769         * @param def Value to return if the setting is not defined.
770         *
771         * @return The setting's current value, or 'def' if it is not defined
772         * or not a valid integer.
773         */
774        public static int getInt(ContentResolver cr, String name, int def) {
775            String v = getString(cr, name);
776            try {
777                return v != null ? Integer.parseInt(v) : def;
778            } catch (NumberFormatException e) {
779                return def;
780            }
781        }
782
783        /**
784         * Convenience function for retrieving a single system settings value
785         * as an integer.  Note that internally setting values are always
786         * stored as strings; this function converts the string to an integer
787         * for you.
788         * <p>
789         * This version does not take a default value.  If the setting has not
790         * been set, or the string value is not a number,
791         * it throws {@link SettingNotFoundException}.
792         *
793         * @param cr The ContentResolver to access.
794         * @param name The name of the setting to retrieve.
795         *
796         * @throws SettingNotFoundException Thrown if a setting by the given
797         * name can't be found or the setting value is not an integer.
798         *
799         * @return The setting's current value.
800         */
801        public static int getInt(ContentResolver cr, String name)
802                throws SettingNotFoundException {
803            String v = getString(cr, name);
804            try {
805                return Integer.parseInt(v);
806            } catch (NumberFormatException e) {
807                throw new SettingNotFoundException(name);
808            }
809        }
810
811        /**
812         * Convenience function for updating a single settings value as an
813         * integer. This will either create a new entry in the table if the
814         * given name does not exist, or modify the value of the existing row
815         * with that name.  Note that internally setting values are always
816         * stored as strings, so this function converts the given value to a
817         * string before storing it.
818         *
819         * @param cr The ContentResolver to access.
820         * @param name The name of the setting to modify.
821         * @param value The new value for the setting.
822         * @return true if the value was set, false on database errors
823         */
824        public static boolean putInt(ContentResolver cr, String name, int value) {
825            return putString(cr, name, Integer.toString(value));
826        }
827
828        /**
829         * Convenience function for retrieving a single system settings value
830         * as a {@code long}.  Note that internally setting values are always
831         * stored as strings; this function converts the string to a {@code long}
832         * for you.  The default value will be returned if the setting is
833         * not defined or not a {@code long}.
834         *
835         * @param cr The ContentResolver to access.
836         * @param name The name of the setting to retrieve.
837         * @param def Value to return if the setting is not defined.
838         *
839         * @return The setting's current value, or 'def' if it is not defined
840         * or not a valid {@code long}.
841         */
842        public static long getLong(ContentResolver cr, String name, long def) {
843            String valString = getString(cr, name);
844            long value;
845            try {
846                value = valString != null ? Long.parseLong(valString) : def;
847            } catch (NumberFormatException e) {
848                value = def;
849            }
850            return value;
851        }
852
853        /**
854         * Convenience function for retrieving a single system settings value
855         * as a {@code long}.  Note that internally setting values are always
856         * stored as strings; this function converts the string to a {@code long}
857         * for you.
858         * <p>
859         * This version does not take a default value.  If the setting has not
860         * been set, or the string value is not a number,
861         * it throws {@link SettingNotFoundException}.
862         *
863         * @param cr The ContentResolver to access.
864         * @param name The name of the setting to retrieve.
865         *
866         * @return The setting's current value.
867         * @throws SettingNotFoundException Thrown if a setting by the given
868         * name can't be found or the setting value is not an integer.
869         */
870        public static long getLong(ContentResolver cr, String name)
871                throws SettingNotFoundException {
872            String valString = getString(cr, name);
873            try {
874                return Long.parseLong(valString);
875            } catch (NumberFormatException e) {
876                throw new SettingNotFoundException(name);
877            }
878        }
879
880        /**
881         * Convenience function for updating a single settings value as a long
882         * integer. This will either create a new entry in the table if the
883         * given name does not exist, or modify the value of the existing row
884         * with that name.  Note that internally setting values are always
885         * stored as strings, so this function converts the given value to a
886         * string before storing it.
887         *
888         * @param cr The ContentResolver to access.
889         * @param name The name of the setting to modify.
890         * @param value The new value for the setting.
891         * @return true if the value was set, false on database errors
892         */
893        public static boolean putLong(ContentResolver cr, String name, long value) {
894            return putString(cr, name, Long.toString(value));
895        }
896
897        /**
898         * Convenience function for retrieving a single system settings value
899         * as a floating point number.  Note that internally setting values are
900         * always stored as strings; this function converts the string to an
901         * float for you. The default value will be returned if the setting
902         * is not defined or not a valid float.
903         *
904         * @param cr The ContentResolver to access.
905         * @param name The name of the setting to retrieve.
906         * @param def Value to return if the setting is not defined.
907         *
908         * @return The setting's current value, or 'def' if it is not defined
909         * or not a valid float.
910         */
911        public static float getFloat(ContentResolver cr, String name, float def) {
912            String v = getString(cr, name);
913            try {
914                return v != null ? Float.parseFloat(v) : def;
915            } catch (NumberFormatException e) {
916                return def;
917            }
918        }
919
920        /**
921         * Convenience function for retrieving a single system settings value
922         * as a float.  Note that internally setting values are always
923         * stored as strings; this function converts the string to a float
924         * for you.
925         * <p>
926         * This version does not take a default value.  If the setting has not
927         * been set, or the string value is not a number,
928         * it throws {@link SettingNotFoundException}.
929         *
930         * @param cr The ContentResolver to access.
931         * @param name The name of the setting to retrieve.
932         *
933         * @throws SettingNotFoundException Thrown if a setting by the given
934         * name can't be found or the setting value is not a float.
935         *
936         * @return The setting's current value.
937         */
938        public static float getFloat(ContentResolver cr, String name)
939                throws SettingNotFoundException {
940            String v = getString(cr, name);
941            try {
942                return Float.parseFloat(v);
943            } catch (NumberFormatException e) {
944                throw new SettingNotFoundException(name);
945            }
946        }
947
948        /**
949         * Convenience function for updating a single settings value as a
950         * floating point number. This will either create a new entry in the
951         * table if the given name does not exist, or modify the value of the
952         * existing row with that name.  Note that internally setting values
953         * are always stored as strings, so this function converts the given
954         * value to a string before storing it.
955         *
956         * @param cr The ContentResolver to access.
957         * @param name The name of the setting to modify.
958         * @param value The new value for the setting.
959         * @return true if the value was set, false on database errors
960         */
961        public static boolean putFloat(ContentResolver cr, String name, float value) {
962            return putString(cr, name, Float.toString(value));
963        }
964
965        /**
966         * Convenience function to read all of the current
967         * configuration-related settings into a
968         * {@link Configuration} object.
969         *
970         * @param cr The ContentResolver to access.
971         * @param outConfig Where to place the configuration settings.
972         */
973        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
974            outConfig.fontScale = Settings.System.getFloat(
975                cr, FONT_SCALE, outConfig.fontScale);
976            if (outConfig.fontScale < 0) {
977                outConfig.fontScale = 1;
978            }
979        }
980
981        /**
982         * Convenience function to write a batch of configuration-related
983         * settings from a {@link Configuration} object.
984         *
985         * @param cr The ContentResolver to access.
986         * @param config The settings to write.
987         * @return true if the values were set, false on database errors
988         */
989        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
990            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
991        }
992
993        /** @hide */
994        public static boolean hasInterestingConfigurationChanges(int changes) {
995            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
996        }
997
998        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
999            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1000        }
1001
1002        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1003            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1004        }
1005
1006        /**
1007         * The content:// style URL for this table
1008         */
1009        public static final Uri CONTENT_URI =
1010            Uri.parse("content://" + AUTHORITY + "/system");
1011
1012        /**
1013         * Whether we keep the device on while the device is plugged in.
1014         * Supported values are:
1015         * <ul>
1016         * <li>{@code 0} to never stay on while plugged in</li>
1017         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1018         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1019         * </ul>
1020         * These values can be OR-ed together.
1021         */
1022        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1023
1024        /**
1025         * What happens when the user presses the end call button if they're not
1026         * on a call.<br/>
1027         * <b>Values:</b><br/>
1028         * 0 - The end button does nothing.<br/>
1029         * 1 - The end button goes to the home screen.<br/>
1030         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1031         * 3 - The end button goes to the home screen.  If the user is already on the
1032         * home screen, it puts the device to sleep.
1033         */
1034        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1035
1036        /**
1037         * END_BUTTON_BEHAVIOR value for "go home".
1038         * @hide
1039         */
1040        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1041
1042        /**
1043         * END_BUTTON_BEHAVIOR value for "go to sleep".
1044         * @hide
1045         */
1046        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1047
1048        /**
1049         * END_BUTTON_BEHAVIOR default value.
1050         * @hide
1051         */
1052        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1053
1054        /**
1055         * Whether Airplane Mode is on.
1056         */
1057        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1058
1059        /**
1060         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1061         */
1062        public static final String RADIO_BLUETOOTH = "bluetooth";
1063
1064        /**
1065         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1066         */
1067        public static final String RADIO_WIFI = "wifi";
1068
1069        /**
1070         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1071         */
1072        public static final String RADIO_CELL = "cell";
1073
1074        /**
1075         * A comma separated list of radios that need to be disabled when airplane mode
1076         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1077         * included in the comma separated list.
1078         */
1079        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1080
1081        /**
1082         * A comma separated list of radios that should to be disabled when airplane mode
1083         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1084         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1085         * will be turned off when entering airplane mode, but the user will be able to reenable
1086         * Wifi in the Settings app.
1087         *
1088         * {@hide}
1089         */
1090        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1091
1092        /**
1093         * The policy for deciding when Wi-Fi should go to sleep (which will in
1094         * turn switch to using the mobile data as an Internet connection).
1095         * <p>
1096         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1097         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1098         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1099         */
1100        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1101
1102        /**
1103         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1104         * policy, which is to sleep shortly after the turning off
1105         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1106         */
1107        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1108
1109        /**
1110         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1111         * the device is on battery, and never go to sleep when the device is
1112         * plugged in.
1113         */
1114        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1115
1116        /**
1117         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1118         */
1119        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1120
1121        /**
1122         * Whether to use static IP and other static network attributes.
1123         * <p>
1124         * Set to 1 for true and 0 for false.
1125         */
1126        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1127
1128        /**
1129         * The static IP address.
1130         * <p>
1131         * Example: "192.168.1.51"
1132         */
1133        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1134
1135        /**
1136         * If using static IP, the gateway's IP address.
1137         * <p>
1138         * Example: "192.168.1.1"
1139         */
1140        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1141
1142        /**
1143         * If using static IP, the net mask.
1144         * <p>
1145         * Example: "255.255.255.0"
1146         */
1147        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1148
1149        /**
1150         * If using static IP, the primary DNS's IP address.
1151         * <p>
1152         * Example: "192.168.1.1"
1153         */
1154        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1155
1156        /**
1157         * If using static IP, the secondary DNS's IP address.
1158         * <p>
1159         * Example: "192.168.1.2"
1160         */
1161        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1162
1163        /**
1164         * The number of radio channels that are allowed in the local
1165         * 802.11 regulatory domain.
1166         * @hide
1167         */
1168        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1169
1170        /**
1171         * Determines whether remote devices may discover and/or connect to
1172         * this device.
1173         * <P>Type: INT</P>
1174         * 2 -- discoverable and connectable
1175         * 1 -- connectable but not discoverable
1176         * 0 -- neither connectable nor discoverable
1177         */
1178        public static final String BLUETOOTH_DISCOVERABILITY =
1179            "bluetooth_discoverability";
1180
1181        /**
1182         * Bluetooth discoverability timeout.  If this value is nonzero, then
1183         * Bluetooth becomes discoverable for a certain number of seconds,
1184         * after which is becomes simply connectable.  The value is in seconds.
1185         */
1186        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1187            "bluetooth_discoverability_timeout";
1188
1189        /**
1190         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1191         * instead
1192         */
1193        @Deprecated
1194        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1195
1196        /**
1197         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1198         * instead
1199         */
1200        @Deprecated
1201        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1202
1203        /**
1204         * @deprecated Use
1205         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1206         * instead
1207         */
1208        @Deprecated
1209        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1210            "lock_pattern_tactile_feedback_enabled";
1211
1212
1213        /**
1214         * A formatted string of the next alarm that is set, or the empty string
1215         * if there is no alarm set.
1216         */
1217        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1218
1219        /**
1220         * Scaling factor for fonts, float.
1221         */
1222        public static final String FONT_SCALE = "font_scale";
1223
1224        /**
1225         * Name of an application package to be debugged.
1226         */
1227        public static final String DEBUG_APP = "debug_app";
1228
1229        /**
1230         * If 1, when launching DEBUG_APP it will wait for the debugger before
1231         * starting user code.  If 0, it will run normally.
1232         */
1233        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1234
1235        /**
1236         * Whether or not to dim the screen. 0=no  1=yes
1237         */
1238        public static final String DIM_SCREEN = "dim_screen";
1239
1240        /**
1241         * The timeout before the screen turns off.
1242         */
1243        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1244
1245        /**
1246         * If 0, the compatibility mode is off for all applications.
1247         * If 1, older applications run under compatibility mode.
1248         * TODO: remove this settings before code freeze (bug/1907571)
1249         * @hide
1250         */
1251        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1252
1253        /**
1254         * The screen backlight brightness between 0 and 255.
1255         */
1256        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1257
1258        /**
1259         * Control whether to enable automatic brightness mode.
1260         */
1261        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1262
1263        /**
1264         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1265         */
1266        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1267
1268        /**
1269         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1270         */
1271        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1272
1273        /**
1274         * Control whether the process CPU usage meter should be shown.
1275         */
1276        public static final String SHOW_PROCESSES = "show_processes";
1277
1278        /**
1279         * If 1, the activity manager will aggressively finish activities and
1280         * processes as soon as they are no longer needed.  If 0, the normal
1281         * extended lifetime is used.
1282         */
1283        public static final String ALWAYS_FINISH_ACTIVITIES =
1284                "always_finish_activities";
1285
1286
1287        /**
1288         * Ringer mode. This is used internally, changing this value will not
1289         * change the ringer mode. See AudioManager.
1290         */
1291        public static final String MODE_RINGER = "mode_ringer";
1292
1293        /**
1294         * Determines which streams are affected by ringer mode changes. The
1295         * stream type's bit should be set to 1 if it should be muted when going
1296         * into an inaudible ringer mode.
1297         */
1298        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1299
1300         /**
1301          * Determines which streams are affected by mute. The
1302          * stream type's bit should be set to 1 if it should be muted when a mute request
1303          * is received.
1304          */
1305         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1306
1307        /**
1308         * Whether vibrate is on for different events. This is used internally,
1309         * changing this value will not change the vibrate. See AudioManager.
1310         */
1311        public static final String VIBRATE_ON = "vibrate_on";
1312
1313        /**
1314         * Ringer volume. This is used internally, changing this value will not
1315         * change the volume. See AudioManager.
1316         */
1317        public static final String VOLUME_RING = "volume_ring";
1318
1319        /**
1320         * System/notifications volume. This is used internally, changing this
1321         * value will not change the volume. See AudioManager.
1322         */
1323        public static final String VOLUME_SYSTEM = "volume_system";
1324
1325        /**
1326         * Voice call volume. This is used internally, changing this value will
1327         * not change the volume. See AudioManager.
1328         */
1329        public static final String VOLUME_VOICE = "volume_voice";
1330
1331        /**
1332         * Music/media/gaming volume. This is used internally, changing this
1333         * value will not change the volume. See AudioManager.
1334         */
1335        public static final String VOLUME_MUSIC = "volume_music";
1336
1337        /**
1338         * Alarm volume. This is used internally, changing this
1339         * value will not change the volume. See AudioManager.
1340         */
1341        public static final String VOLUME_ALARM = "volume_alarm";
1342
1343        /**
1344         * Notification volume. This is used internally, changing this
1345         * value will not change the volume. See AudioManager.
1346         */
1347        public static final String VOLUME_NOTIFICATION = "volume_notification";
1348
1349        /**
1350         * Bluetooth Headset volume. This is used internally, changing this value will
1351         * not change the volume. See AudioManager.
1352         */
1353        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1354
1355        /**
1356         * Whether the notifications should use the ring volume (value of 1) or
1357         * a separate notification volume (value of 0). In most cases, users
1358         * will have this enabled so the notification and ringer volumes will be
1359         * the same. However, power users can disable this and use the separate
1360         * notification volume control.
1361         * <p>
1362         * Note: This is a one-off setting that will be removed in the future
1363         * when there is profile support. For this reason, it is kept hidden
1364         * from the public APIs.
1365         *
1366         * @hide
1367         */
1368        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1369            "notifications_use_ring_volume";
1370
1371        /**
1372         * Whether silent mode should allow vibration feedback. This is used
1373         * internally in AudioService and the Sound settings activity to
1374         * coordinate decoupling of vibrate and silent modes. This setting
1375         * will likely be removed in a future release with support for
1376         * audio/vibe feedback profiles.
1377         *
1378         * @hide
1379         */
1380        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1381
1382        /**
1383         * The mapping of stream type (integer) to its setting.
1384         */
1385        public static final String[] VOLUME_SETTINGS = {
1386            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1387            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1388        };
1389
1390        /**
1391         * Appended to various volume related settings to record the previous
1392         * values before they the settings were affected by a silent/vibrate
1393         * ringer mode change.
1394         */
1395        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1396
1397        /**
1398         * Persistent store for the system-wide default ringtone URI.
1399         * <p>
1400         * If you need to play the default ringtone at any given time, it is recommended
1401         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1402         * to the set default ringtone at the time of playing.
1403         *
1404         * @see #DEFAULT_RINGTONE_URI
1405         */
1406        public static final String RINGTONE = "ringtone";
1407
1408        /**
1409         * A {@link Uri} that will point to the current default ringtone at any
1410         * given time.
1411         * <p>
1412         * If the current default ringtone is in the DRM provider and the caller
1413         * does not have permission, the exception will be a
1414         * FileNotFoundException.
1415         */
1416        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1417
1418        /**
1419         * Persistent store for the system-wide default notification sound.
1420         *
1421         * @see #RINGTONE
1422         * @see #DEFAULT_NOTIFICATION_URI
1423         */
1424        public static final String NOTIFICATION_SOUND = "notification_sound";
1425
1426        /**
1427         * A {@link Uri} that will point to the current default notification
1428         * sound at any given time.
1429         *
1430         * @see #DEFAULT_RINGTONE_URI
1431         */
1432        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1433
1434        /**
1435         * Persistent store for the system-wide default alarm alert.
1436         *
1437         * @see #RINGTONE
1438         * @see #DEFAULT_ALARM_ALERT_URI
1439         */
1440        public static final String ALARM_ALERT = "alarm_alert";
1441
1442        /**
1443         * A {@link Uri} that will point to the current default alarm alert at
1444         * any given time.
1445         *
1446         * @see #DEFAULT_ALARM_ALERT_URI
1447         */
1448        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1449
1450        /**
1451         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1452         */
1453        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1454
1455        /**
1456         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1457         */
1458        public static final String TEXT_AUTO_CAPS = "auto_caps";
1459
1460        /**
1461         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1462         * feature converts two spaces to a "." and space.
1463         */
1464        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1465
1466        /**
1467         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1468         */
1469        public static final String TEXT_SHOW_PASSWORD = "show_password";
1470
1471        public static final String SHOW_GTALK_SERVICE_STATUS =
1472                "SHOW_GTALK_SERVICE_STATUS";
1473
1474        /**
1475         * Name of activity to use for wallpaper on the home screen.
1476         */
1477        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1478
1479        /**
1480         * Value to specify if the user prefers the date, time and time zone
1481         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1482         */
1483        public static final String AUTO_TIME = "auto_time";
1484
1485        /**
1486         * Display times as 12 or 24 hours
1487         *   12
1488         *   24
1489         */
1490        public static final String TIME_12_24 = "time_12_24";
1491
1492        /**
1493         * Date format string
1494         *   mm/dd/yyyy
1495         *   dd/mm/yyyy
1496         *   yyyy/mm/dd
1497         */
1498        public static final String DATE_FORMAT = "date_format";
1499
1500        /**
1501         * Whether the setup wizard has been run before (on first boot), or if
1502         * it still needs to be run.
1503         *
1504         * nonzero = it has been run in the past
1505         * 0 = it has not been run in the past
1506         */
1507        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1508
1509        /**
1510         * Scaling factor for normal window animations. Setting to 0 will disable window
1511         * animations.
1512         */
1513        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1514
1515        /**
1516         * Scaling factor for activity transition animations. Setting to 0 will disable window
1517         * animations.
1518         */
1519        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1520
1521        /**
1522         * Scaling factor for normal window animations. Setting to 0 will disable window
1523         * animations.
1524         * @hide
1525         */
1526        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1527
1528        /**
1529         * Control whether the accelerometer will be used to change screen
1530         * orientation.  If 0, it will not be used unless explicitly requested
1531         * by the application; if 1, it will be used by default unless explicitly
1532         * disabled by the application.
1533         */
1534        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1535
1536        /**
1537         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1538         * boolean (1 or 0).
1539         */
1540        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1541
1542        /**
1543         * CDMA only settings
1544         * DTMF tone type played by the dialer when dialing.
1545         *                 0 = Normal
1546         *                 1 = Long
1547         * @hide
1548         */
1549        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1550
1551        /**
1552         * CDMA only settings
1553         * Emergency Tone  0 = Off
1554         *                 1 = Alert
1555         *                 2 = Vibrate
1556         * @hide
1557         */
1558        public static final String EMERGENCY_TONE = "emergency_tone";
1559
1560        /**
1561         * CDMA only settings
1562         * Whether the auto retry is enabled. The value is
1563         * boolean (1 or 0).
1564         * @hide
1565         */
1566        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1567
1568        /**
1569         * Whether the hearing aid is enabled. The value is
1570         * boolean (1 or 0).
1571         * @hide
1572         */
1573        public static final String HEARING_AID = "hearing_aid";
1574
1575        /**
1576         * CDMA only settings
1577         * TTY Mode
1578         * 0 = OFF
1579         * 1 = FULL
1580         * 2 = VCO
1581         * 3 = HCO
1582         * @hide
1583         */
1584        public static final String TTY_MODE = "tty_mode";
1585
1586        /**
1587         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1588         * boolean (1 or 0).
1589         */
1590        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1591
1592        /**
1593         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1594         * boolean (1 or 0).
1595         */
1596        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1597
1598        /**
1599         * Whether live web suggestions while the user types into search dialogs are
1600         * enabled. Browsers and other search UIs should respect this, as it allows
1601         * a user to avoid sending partial queries to a search engine, if it poses
1602         * any privacy concern. The value is boolean (1 or 0).
1603         */
1604        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1605
1606        /**
1607         * Whether the notification LED should repeatedly flash when a notification is
1608         * pending. The value is boolean (1 or 0).
1609         * @hide
1610         */
1611        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1612
1613        /**
1614         * Show pointer location on screen?
1615         * 0 = no
1616         * 1 = yes
1617         * @hide
1618         */
1619        public static final String POINTER_LOCATION = "pointer_location";
1620
1621        /**
1622         * Whether to play a sound for low-battery alerts.
1623         * @hide
1624         */
1625        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1626
1627        /**
1628         * Whether to play a sound for dock events.
1629         * @hide
1630         */
1631        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1632
1633        /**
1634         * Whether to play sounds when the keyguard is shown and dismissed.
1635         * @hide
1636         */
1637        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1638
1639        /**
1640         * URI for the low battery sound file.
1641         * @hide
1642         */
1643        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1644
1645        /**
1646         * URI for the desk dock "in" event sound.
1647         * @hide
1648         */
1649        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1650
1651        /**
1652         * URI for the desk dock "out" event sound.
1653         * @hide
1654         */
1655        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1656
1657        /**
1658         * URI for the car dock "in" event sound.
1659         * @hide
1660         */
1661        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1662
1663        /**
1664         * URI for the car dock "out" event sound.
1665         * @hide
1666         */
1667        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1668
1669        /**
1670         * URI for the "device locked" (keyguard shown) sound.
1671         * @hide
1672         */
1673        public static final String LOCK_SOUND = "lock_sound";
1674
1675        /**
1676         * URI for the "device unlocked" (keyguard dismissed) sound.
1677         * @hide
1678         */
1679        public static final String UNLOCK_SOUND = "unlock_sound";
1680
1681        /**
1682         * Settings to backup. This is here so that it's in the same place as the settings
1683         * keys and easy to update.
1684         * @hide
1685         */
1686        public static final String[] SETTINGS_TO_BACKUP = {
1687            STAY_ON_WHILE_PLUGGED_IN,
1688            WIFI_SLEEP_POLICY,
1689            WIFI_USE_STATIC_IP,
1690            WIFI_STATIC_IP,
1691            WIFI_STATIC_GATEWAY,
1692            WIFI_STATIC_NETMASK,
1693            WIFI_STATIC_DNS1,
1694            WIFI_STATIC_DNS2,
1695            BLUETOOTH_DISCOVERABILITY,
1696            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1697            DIM_SCREEN,
1698            SCREEN_OFF_TIMEOUT,
1699            SCREEN_BRIGHTNESS,
1700            SCREEN_BRIGHTNESS_MODE,
1701            VIBRATE_ON,
1702            NOTIFICATIONS_USE_RING_VOLUME,
1703            MODE_RINGER,
1704            MODE_RINGER_STREAMS_AFFECTED,
1705            MUTE_STREAMS_AFFECTED,
1706            VOLUME_VOICE,
1707            VOLUME_SYSTEM,
1708            VOLUME_RING,
1709            VOLUME_MUSIC,
1710            VOLUME_ALARM,
1711            VOLUME_NOTIFICATION,
1712            VOLUME_BLUETOOTH_SCO,
1713            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1714            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1715            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1716            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1717            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1718            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1719            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1720            VIBRATE_IN_SILENT,
1721            TEXT_AUTO_REPLACE,
1722            TEXT_AUTO_CAPS,
1723            TEXT_AUTO_PUNCTUATE,
1724            TEXT_SHOW_PASSWORD,
1725            AUTO_TIME,
1726            TIME_12_24,
1727            DATE_FORMAT,
1728            ACCELEROMETER_ROTATION,
1729            DTMF_TONE_WHEN_DIALING,
1730            DTMF_TONE_TYPE_WHEN_DIALING,
1731            EMERGENCY_TONE,
1732            CALL_AUTO_RETRY,
1733            HEARING_AID,
1734            TTY_MODE,
1735            SOUND_EFFECTS_ENABLED,
1736            HAPTIC_FEEDBACK_ENABLED,
1737            POWER_SOUNDS_ENABLED,
1738            DOCK_SOUNDS_ENABLED,
1739            LOCKSCREEN_SOUNDS_ENABLED,
1740            SHOW_WEB_SUGGESTIONS,
1741            NOTIFICATION_LIGHT_PULSE
1742        };
1743
1744        // Settings moved to Settings.Secure
1745
1746        /**
1747         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1748         * instead
1749         */
1750        @Deprecated
1751        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1752
1753        /**
1754         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1755         */
1756        @Deprecated
1757        public static final String ANDROID_ID = Secure.ANDROID_ID;
1758
1759        /**
1760         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1761         */
1762        @Deprecated
1763        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1764
1765        /**
1766         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1767         */
1768        @Deprecated
1769        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1770
1771        /**
1772         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1773         */
1774        @Deprecated
1775        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1776
1777        /**
1778         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1779         */
1780        @Deprecated
1781        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1782
1783        /**
1784         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1785         */
1786        @Deprecated
1787        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1788
1789        /**
1790         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1791         * instead
1792         */
1793        @Deprecated
1794        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1795
1796        /**
1797         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1798         */
1799        @Deprecated
1800        public static final String LOGGING_ID = Secure.LOGGING_ID;
1801
1802        /**
1803         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1804         */
1805        @Deprecated
1806        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1807
1808        /**
1809         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1810         * instead
1811         */
1812        @Deprecated
1813        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1814
1815        /**
1816         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1817         * instead
1818         */
1819        @Deprecated
1820        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1821
1822        /**
1823         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1824         * instead
1825         */
1826        @Deprecated
1827        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1828            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1829
1830        /**
1831         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1832         */
1833        @Deprecated
1834        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1835
1836        /**
1837         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1838         */
1839        @Deprecated
1840        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1841
1842        /**
1843         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1844         */
1845        @Deprecated
1846        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1847
1848       /**
1849         * @deprecated Use
1850         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1851         */
1852        @Deprecated
1853        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1854
1855        /**
1856         * @deprecated Use
1857         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1858         */
1859        @Deprecated
1860        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1861                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1862
1863        /**
1864         * @deprecated Use
1865         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1866         */
1867        @Deprecated
1868        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1869            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1870
1871        /**
1872         * @deprecated Use
1873         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1874         */
1875        @Deprecated
1876        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1877            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1878
1879        /**
1880         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1881         * instead
1882         */
1883        @Deprecated
1884        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1885
1886        /**
1887         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1888         */
1889        @Deprecated
1890        public static final String WIFI_ON = Secure.WIFI_ON;
1891
1892        /**
1893         * @deprecated Use
1894         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1895         * instead
1896         */
1897        @Deprecated
1898        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1899                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1900
1901        /**
1902         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1903         */
1904        @Deprecated
1905        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1906
1907        /**
1908         * @deprecated Use
1909         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1910         */
1911        @Deprecated
1912        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1913                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1914
1915        /**
1916         * @deprecated Use
1917         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1918         */
1919        @Deprecated
1920        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1921                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1922
1923        /**
1924         * @deprecated Use
1925         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1926         * instead
1927         */
1928        @Deprecated
1929        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1930                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1931
1932        /**
1933         * @deprecated Use
1934         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1935         */
1936        @Deprecated
1937        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1938            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1939
1940        /**
1941         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1942         * instead
1943         */
1944        @Deprecated
1945        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
1946
1947        /**
1948         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
1949         */
1950        @Deprecated
1951        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
1952
1953        /**
1954         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
1955         */
1956        @Deprecated
1957        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
1958
1959        /**
1960         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
1961         * instead
1962         */
1963        @Deprecated
1964        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
1965
1966        /**
1967         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
1968         * instead
1969         */
1970        @Deprecated
1971        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
1972            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
1973    }
1974
1975    /**
1976     * Secure system settings, containing system preferences that applications
1977     * can read but are not allowed to write.  These are for preferences that
1978     * the user must explicitly modify through the system UI or specialized
1979     * APIs for those values, not modified directly by applications.
1980     */
1981    public static final class Secure extends NameValueTable {
1982        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
1983
1984        // Populated lazily, guarded by class object:
1985        private static NameValueCache sNameValueCache = null;
1986
1987        /**
1988         * Look up a name in the database.
1989         * @param resolver to access the database with
1990         * @param name to look up in the table
1991         * @return the corresponding value, or null if not present
1992         */
1993        public synchronized static String getString(ContentResolver resolver, String name) {
1994            if (sNameValueCache == null) {
1995                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
1996                                                     CALL_METHOD_GET_SECURE);
1997            }
1998            return sNameValueCache.getString(resolver, name);
1999        }
2000
2001        /**
2002         * Store a name/value pair into the database.
2003         * @param resolver to access the database with
2004         * @param name to store
2005         * @param value to associate with the name
2006         * @return true if the value was set, false on database errors
2007         */
2008        public static boolean putString(ContentResolver resolver,
2009                String name, String value) {
2010            return putString(resolver, CONTENT_URI, name, value);
2011        }
2012
2013        /**
2014         * Construct the content URI for a particular name/value pair,
2015         * useful for monitoring changes with a ContentObserver.
2016         * @param name to look up in the table
2017         * @return the corresponding content URI, or null if not present
2018         */
2019        public static Uri getUriFor(String name) {
2020            return getUriFor(CONTENT_URI, name);
2021        }
2022
2023        /**
2024         * Convenience function for retrieving a single secure settings value
2025         * as an integer.  Note that internally setting values are always
2026         * stored as strings; this function converts the string to an integer
2027         * for you.  The default value will be returned if the setting is
2028         * not defined or not an integer.
2029         *
2030         * @param cr The ContentResolver to access.
2031         * @param name The name of the setting to retrieve.
2032         * @param def Value to return if the setting is not defined.
2033         *
2034         * @return The setting's current value, or 'def' if it is not defined
2035         * or not a valid integer.
2036         */
2037        public static int getInt(ContentResolver cr, String name, int def) {
2038            String v = getString(cr, name);
2039            try {
2040                return v != null ? Integer.parseInt(v) : def;
2041            } catch (NumberFormatException e) {
2042                return def;
2043            }
2044        }
2045
2046        /**
2047         * Convenience function for retrieving a single secure settings value
2048         * as an integer.  Note that internally setting values are always
2049         * stored as strings; this function converts the string to an integer
2050         * for you.
2051         * <p>
2052         * This version does not take a default value.  If the setting has not
2053         * been set, or the string value is not a number,
2054         * it throws {@link SettingNotFoundException}.
2055         *
2056         * @param cr The ContentResolver to access.
2057         * @param name The name of the setting to retrieve.
2058         *
2059         * @throws SettingNotFoundException Thrown if a setting by the given
2060         * name can't be found or the setting value is not an integer.
2061         *
2062         * @return The setting's current value.
2063         */
2064        public static int getInt(ContentResolver cr, String name)
2065                throws SettingNotFoundException {
2066            String v = getString(cr, name);
2067            try {
2068                return Integer.parseInt(v);
2069            } catch (NumberFormatException e) {
2070                throw new SettingNotFoundException(name);
2071            }
2072        }
2073
2074        /**
2075         * Convenience function for updating a single settings value as an
2076         * integer. This will either create a new entry in the table if the
2077         * given name does not exist, or modify the value of the existing row
2078         * with that name.  Note that internally setting values are always
2079         * stored as strings, so this function converts the given value to a
2080         * string before storing it.
2081         *
2082         * @param cr The ContentResolver to access.
2083         * @param name The name of the setting to modify.
2084         * @param value The new value for the setting.
2085         * @return true if the value was set, false on database errors
2086         */
2087        public static boolean putInt(ContentResolver cr, String name, int value) {
2088            return putString(cr, name, Integer.toString(value));
2089        }
2090
2091        /**
2092         * Convenience function for retrieving a single secure settings value
2093         * as a {@code long}.  Note that internally setting values are always
2094         * stored as strings; this function converts the string to a {@code long}
2095         * for you.  The default value will be returned if the setting is
2096         * not defined or not a {@code long}.
2097         *
2098         * @param cr The ContentResolver to access.
2099         * @param name The name of the setting to retrieve.
2100         * @param def Value to return if the setting is not defined.
2101         *
2102         * @return The setting's current value, or 'def' if it is not defined
2103         * or not a valid {@code long}.
2104         */
2105        public static long getLong(ContentResolver cr, String name, long def) {
2106            String valString = getString(cr, name);
2107            long value;
2108            try {
2109                value = valString != null ? Long.parseLong(valString) : def;
2110            } catch (NumberFormatException e) {
2111                value = def;
2112            }
2113            return value;
2114        }
2115
2116        /**
2117         * Convenience function for retrieving a single secure settings value
2118         * as a {@code long}.  Note that internally setting values are always
2119         * stored as strings; this function converts the string to a {@code long}
2120         * for you.
2121         * <p>
2122         * This version does not take a default value.  If the setting has not
2123         * been set, or the string value is not a number,
2124         * it throws {@link SettingNotFoundException}.
2125         *
2126         * @param cr The ContentResolver to access.
2127         * @param name The name of the setting to retrieve.
2128         *
2129         * @return The setting's current value.
2130         * @throws SettingNotFoundException Thrown if a setting by the given
2131         * name can't be found or the setting value is not an integer.
2132         */
2133        public static long getLong(ContentResolver cr, String name)
2134                throws SettingNotFoundException {
2135            String valString = getString(cr, name);
2136            try {
2137                return Long.parseLong(valString);
2138            } catch (NumberFormatException e) {
2139                throw new SettingNotFoundException(name);
2140            }
2141        }
2142
2143        /**
2144         * Convenience function for updating a secure settings value as a long
2145         * integer. This will either create a new entry in the table if the
2146         * given name does not exist, or modify the value of the existing row
2147         * with that name.  Note that internally setting values are always
2148         * stored as strings, so this function converts the given value to a
2149         * string before storing it.
2150         *
2151         * @param cr The ContentResolver to access.
2152         * @param name The name of the setting to modify.
2153         * @param value The new value for the setting.
2154         * @return true if the value was set, false on database errors
2155         */
2156        public static boolean putLong(ContentResolver cr, String name, long value) {
2157            return putString(cr, name, Long.toString(value));
2158        }
2159
2160        /**
2161         * Convenience function for retrieving a single secure settings value
2162         * as a floating point number.  Note that internally setting values are
2163         * always stored as strings; this function converts the string to an
2164         * float for you. The default value will be returned if the setting
2165         * is not defined or not a valid float.
2166         *
2167         * @param cr The ContentResolver to access.
2168         * @param name The name of the setting to retrieve.
2169         * @param def Value to return if the setting is not defined.
2170         *
2171         * @return The setting's current value, or 'def' if it is not defined
2172         * or not a valid float.
2173         */
2174        public static float getFloat(ContentResolver cr, String name, float def) {
2175            String v = getString(cr, name);
2176            try {
2177                return v != null ? Float.parseFloat(v) : def;
2178            } catch (NumberFormatException e) {
2179                return def;
2180            }
2181        }
2182
2183        /**
2184         * Convenience function for retrieving a single secure settings value
2185         * as a float.  Note that internally setting values are always
2186         * stored as strings; this function converts the string to a float
2187         * for you.
2188         * <p>
2189         * This version does not take a default value.  If the setting has not
2190         * been set, or the string value is not a number,
2191         * it throws {@link SettingNotFoundException}.
2192         *
2193         * @param cr The ContentResolver to access.
2194         * @param name The name of the setting to retrieve.
2195         *
2196         * @throws SettingNotFoundException Thrown if a setting by the given
2197         * name can't be found or the setting value is not a float.
2198         *
2199         * @return The setting's current value.
2200         */
2201        public static float getFloat(ContentResolver cr, String name)
2202                throws SettingNotFoundException {
2203            String v = getString(cr, name);
2204            try {
2205                return Float.parseFloat(v);
2206            } catch (NumberFormatException e) {
2207                throw new SettingNotFoundException(name);
2208            }
2209        }
2210
2211        /**
2212         * Convenience function for updating a single settings value as a
2213         * floating point number. This will either create a new entry in the
2214         * table if the given name does not exist, or modify the value of the
2215         * existing row with that name.  Note that internally setting values
2216         * are always stored as strings, so this function converts the given
2217         * value to a string before storing it.
2218         *
2219         * @param cr The ContentResolver to access.
2220         * @param name The name of the setting to modify.
2221         * @param value The new value for the setting.
2222         * @return true if the value was set, false on database errors
2223         */
2224        public static boolean putFloat(ContentResolver cr, String name, float value) {
2225            return putString(cr, name, Float.toString(value));
2226        }
2227
2228        /**
2229         * The content:// style URL for this table
2230         */
2231        public static final Uri CONTENT_URI =
2232            Uri.parse("content://" + AUTHORITY + "/secure");
2233
2234        /**
2235         * Whether ADB is enabled.
2236         */
2237        public static final String ADB_ENABLED = "adb_enabled";
2238
2239        /**
2240         * Setting to allow mock locations and location provider status to be injected into the
2241         * LocationManager service for testing purposes during application development.  These
2242         * locations and status values  override actual location and status information generated
2243         * by network, gps, or other location providers.
2244         */
2245        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2246
2247        /**
2248         * A 64-bit number (as a hex string) that is randomly
2249         * generated on the device's first boot and should remain
2250         * constant for the lifetime of the device.  (The value may
2251         * change if a factory reset is performed on the device.)
2252         */
2253        public static final String ANDROID_ID = "android_id";
2254
2255        /**
2256         * Whether bluetooth is enabled/disabled
2257         * 0=disabled. 1=enabled.
2258         */
2259        public static final String BLUETOOTH_ON = "bluetooth_on";
2260
2261        /**
2262         * Get the key that retrieves a bluetooth headset's priority.
2263         * @hide
2264         */
2265        public static final String getBluetoothHeadsetPriorityKey(String address) {
2266            return ("bluetooth_headset_priority_" + address.toUpperCase());
2267        }
2268
2269        /**
2270         * Get the key that retrieves a bluetooth a2dp sink's priority.
2271         * @hide
2272         */
2273        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2274            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2275        }
2276
2277        /**
2278         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2279         */
2280        public static final String DATA_ROAMING = "data_roaming";
2281
2282        /**
2283         * Setting to record the input method used by default, holding the ID
2284         * of the desired method.
2285         */
2286        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2287
2288        /**
2289         * Whether the device has been provisioned (0 = false, 1 = true)
2290         */
2291        public static final String DEVICE_PROVISIONED = "device_provisioned";
2292
2293        /**
2294         * List of input methods that are currently enabled.  This is a string
2295         * containing the IDs of all enabled input methods, each ID separated
2296         * by ':'.
2297         */
2298        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2299
2300        /**
2301         * List of system input methods that are currently disabled.  This is a string
2302         * containing the IDs of all disabled input methods, each ID separated
2303         * by ':'.
2304         * @hide
2305         */
2306        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2307
2308        /**
2309         * Host name and port for a user-selected proxy.
2310         */
2311        public static final String HTTP_PROXY = "http_proxy";
2312
2313        /**
2314         * Whether the package installer should allow installation of apps downloaded from
2315         * sources other than the Android Market (vending machine).
2316         *
2317         * 1 = allow installing from other sources
2318         * 0 = only allow installing from the Android Market
2319         */
2320        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2321
2322        /**
2323         * Comma-separated list of location providers that activities may access.
2324         */
2325        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2326
2327        /**
2328         * Whether autolock is enabled (0 = false, 1 = true)
2329         */
2330        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2331
2332        /**
2333         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2334         */
2335        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2336
2337        /**
2338         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2339         */
2340        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2341            "lock_pattern_tactile_feedback_enabled";
2342
2343        /**
2344         * Whether assisted GPS should be enabled or not.
2345         * @hide
2346         */
2347        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2348
2349        /**
2350         * The Logging ID (a unique 64-bit value) as a hex string.
2351         * Used as a pseudonymous identifier for logging.
2352         * @deprecated This identifier is poorly initialized and has
2353         * many collisions.  It should not be used.
2354         */
2355        @Deprecated
2356        public static final String LOGGING_ID = "logging_id";
2357
2358        /**
2359         * User preference for which network(s) should be used. Only the
2360         * connectivity service should touch this.
2361         */
2362        public static final String NETWORK_PREFERENCE = "network_preference";
2363
2364        /**
2365         * Used to disable Tethering on a device - defaults to true
2366         * @hide
2367         */
2368        public static final String TETHER_SUPPORTED = "tether_supported";
2369
2370        /**
2371         * Used to require DUN APN on the device or not - defaults to a build config value
2372         * which defaults to false
2373         * @hide
2374         */
2375        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2376
2377        /**
2378         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2379         * corresponding build config values are set it will override the APN DB
2380         * values.
2381         * Consists of a comma seperated list of strings:
2382         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2383         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2384         * @hide
2385         */
2386        public static final String TETHER_DUN_APN = "tether_dun_apn";
2387
2388        /**
2389         * No longer supported.
2390         */
2391        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2392
2393        /**
2394         * No longer supported.
2395         */
2396        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2397
2398        /**
2399         * No longer supported.
2400         */
2401        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2402
2403        /**
2404         * Settings classname to launch when Settings is clicked from All
2405         * Applications.  Needed because of user testing between the old
2406         * and new Settings apps.
2407         */
2408        // TODO: 881807
2409        public static final String SETTINGS_CLASSNAME = "settings_classname";
2410
2411        /**
2412         * USB Mass Storage Enabled
2413         */
2414        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2415
2416        /**
2417         * If this setting is set (to anything), then all references
2418         * to Gmail on the device must change to Google Mail.
2419         */
2420        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2421
2422        /**
2423         * If accessibility is enabled.
2424         */
2425        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2426
2427        /**
2428         * List of the enabled accessibility providers.
2429         */
2430        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2431            "enabled_accessibility_services";
2432
2433        /**
2434         * Setting to always use the default text-to-speech settings regardless
2435         * of the application settings.
2436         * 1 = override application settings,
2437         * 0 = use application settings (if specified).
2438         */
2439        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2440
2441        /**
2442         * Default text-to-speech engine speech rate. 100 = 1x
2443         */
2444        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2445
2446        /**
2447         * Default text-to-speech engine pitch. 100 = 1x
2448         */
2449        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2450
2451        /**
2452         * Default text-to-speech engine.
2453         */
2454        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2455
2456        /**
2457         * Default text-to-speech language.
2458         */
2459        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2460
2461        /**
2462         * Default text-to-speech country.
2463         */
2464        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2465
2466        /**
2467         * Default text-to-speech locale variant.
2468         */
2469        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2470
2471        /**
2472         * Space delimited list of plugin packages that are enabled.
2473         */
2474        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2475
2476        /**
2477         * Whether to notify the user of open networks.
2478         * <p>
2479         * If not connected and the scan results have an open network, we will
2480         * put this notification up. If we attempt to connect to a network or
2481         * the open network(s) disappear, we remove the notification. When we
2482         * show the notification, we will not show it again for
2483         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2484         */
2485        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2486                "wifi_networks_available_notification_on";
2487
2488        /**
2489         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2490         * Connecting to a network will reset the timer.
2491         */
2492        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2493                "wifi_networks_available_repeat_delay";
2494
2495        /**
2496         * The number of radio channels that are allowed in the local
2497         * 802.11 regulatory domain.
2498         * @hide
2499         */
2500        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2501
2502        /**
2503         * When the number of open networks exceeds this number, the
2504         * least-recently-used excess networks will be removed.
2505         */
2506        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2507
2508        /**
2509         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2510         */
2511        public static final String WIFI_ON = "wifi_on";
2512
2513        /**
2514         * Used to save the Wifi_ON state prior to tethering.
2515         * This state will be checked to restore Wifi after
2516         * the user turns off tethering.
2517         *
2518         * @hide
2519         */
2520        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2521
2522        /**
2523         * AP SSID
2524         *
2525         * @hide
2526         */
2527        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2528
2529        /**
2530         * AP security
2531         *
2532         * @hide
2533         */
2534        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2535
2536        /**
2537         * AP passphrase
2538         *
2539         * @hide
2540         */
2541        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2542
2543        /**
2544         * The acceptable packet loss percentage (range 0 - 100) before trying
2545         * another AP on the same network.
2546         */
2547        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2548                "wifi_watchdog_acceptable_packet_loss_percentage";
2549
2550        /**
2551         * The number of access points required for a network in order for the
2552         * watchdog to monitor it.
2553         */
2554        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2555
2556        /**
2557         * The delay between background checks.
2558         */
2559        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2560                "wifi_watchdog_background_check_delay_ms";
2561
2562        /**
2563         * Whether the Wi-Fi watchdog is enabled for background checking even
2564         * after it thinks the user has connected to a good access point.
2565         */
2566        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2567                "wifi_watchdog_background_check_enabled";
2568
2569        /**
2570         * The timeout for a background ping
2571         */
2572        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2573                "wifi_watchdog_background_check_timeout_ms";
2574
2575        /**
2576         * The number of initial pings to perform that *may* be ignored if they
2577         * fail. Again, if these fail, they will *not* be used in packet loss
2578         * calculation. For example, one network always seemed to time out for
2579         * the first couple pings, so this is set to 3 by default.
2580         */
2581        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2582            "wifi_watchdog_initial_ignored_ping_count";
2583
2584        /**
2585         * The maximum number of access points (per network) to attempt to test.
2586         * If this number is reached, the watchdog will no longer monitor the
2587         * initial connection state for the network. This is a safeguard for
2588         * networks containing multiple APs whose DNS does not respond to pings.
2589         */
2590        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2591
2592        /**
2593         * Whether the Wi-Fi watchdog is enabled.
2594         */
2595        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2596
2597        /**
2598         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2599         */
2600        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2601
2602        /**
2603         * The number of pings to test if an access point is a good connection.
2604         */
2605        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2606
2607        /**
2608         * The delay between pings.
2609         */
2610        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2611
2612        /**
2613         * The timeout per ping.
2614         */
2615        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2616
2617        /**
2618         * The maximum number of times we will retry a connection to an access
2619         * point for which we have failed in acquiring an IP address from DHCP.
2620         * A value of N means that we will make N+1 connection attempts in all.
2621         */
2622        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2623
2624        /**
2625         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2626         * data connectivity to be established after a disconnect from Wi-Fi.
2627         */
2628        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2629            "wifi_mobile_data_transition_wakelock_timeout_ms";
2630
2631        /**
2632         * Whether background data usage is allowed by the user. See
2633         * ConnectivityManager for more info.
2634         */
2635        public static final String BACKGROUND_DATA = "background_data";
2636
2637        /**
2638         * Origins for which browsers should allow geolocation by default.
2639         * The value is a space-separated list of origins.
2640         */
2641        public static final String ALLOWED_GEOLOCATION_ORIGINS
2642                = "allowed_geolocation_origins";
2643
2644        /**
2645         * Whether mobile data connections are allowed by the user.  See
2646         * ConnectivityManager for more info.
2647         * @hide
2648         */
2649        public static final String MOBILE_DATA = "mobile_data";
2650
2651        /**
2652         * The CDMA roaming mode 0 = Home Networks, CDMA default
2653         *                       1 = Roaming on Affiliated networks
2654         *                       2 = Roaming on any networks
2655         * @hide
2656         */
2657        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2658
2659        /**
2660         * The CDMA subscription mode 0 = RUIM/SIM (default)
2661         *                                1 = NV
2662         * @hide
2663         */
2664        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2665
2666        /**
2667         * The preferred network mode   7 = Global
2668         *                              6 = EvDo only
2669         *                              5 = CDMA w/o EvDo
2670         *                              4 = CDMA / EvDo auto
2671         *                              3 = GSM / WCDMA auto
2672         *                              2 = WCDMA only
2673         *                              1 = GSM only
2674         *                              0 = GSM / WCDMA preferred
2675         * @hide
2676         */
2677        public static final String PREFERRED_NETWORK_MODE =
2678                "preferred_network_mode";
2679
2680        /**
2681         * The preferred TTY mode     0 = TTy Off, CDMA default
2682         *                            1 = TTY Full
2683         *                            2 = TTY HCO
2684         *                            3 = TTY VCO
2685         * @hide
2686         */
2687        public static final String PREFERRED_TTY_MODE =
2688                "preferred_tty_mode";
2689
2690
2691        /**
2692         * CDMA Cell Broadcast SMS
2693         *                            0 = CDMA Cell Broadcast SMS disabled
2694         *                            1 = CDMA Cell Broadcast SMS enabled
2695         * @hide
2696         */
2697        public static final String CDMA_CELL_BROADCAST_SMS =
2698                "cdma_cell_broadcast_sms";
2699
2700        /**
2701         * The cdma subscription 0 = Subscription from RUIM, when available
2702         *                       1 = Subscription from NV
2703         * @hide
2704         */
2705        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2706                "preferred_cdma_subscription";
2707
2708        /**
2709         * Whether the enhanced voice privacy mode is enabled.
2710         * 0 = normal voice privacy
2711         * 1 = enhanced voice privacy
2712         * @hide
2713         */
2714        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2715
2716        /**
2717         * Whether the TTY mode mode is enabled.
2718         * 0 = disabled
2719         * 1 = enabled
2720         * @hide
2721         */
2722        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2723
2724        /**
2725         * Controls whether settings backup is enabled.
2726         * Type: int ( 0 = disabled, 1 = enabled )
2727         * @hide
2728         */
2729        public static final String BACKUP_ENABLED = "backup_enabled";
2730
2731        /**
2732         * Controls whether application data is automatically restored from backup
2733         * at install time.
2734         * Type: int ( 0 = disabled, 1 = enabled )
2735         * @hide
2736         */
2737        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2738
2739        /**
2740         * Indicates whether settings backup has been fully provisioned.
2741         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2742         * @hide
2743         */
2744        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2745
2746        /**
2747         * Component of the transport to use for backup/restore.
2748         * @hide
2749         */
2750        public static final String BACKUP_TRANSPORT = "backup_transport";
2751
2752        /**
2753         * Version for which the setup wizard was last shown.  Bumped for
2754         * each release when there is new setup information to show.
2755         * @hide
2756         */
2757        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2758
2759        /**
2760         * How frequently (in seconds) to check the memory status of the
2761         * device.
2762         * @hide
2763         */
2764        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2765
2766        /**
2767         * Max frequency (in seconds) to log memory check stats, in realtime
2768         * seconds.  This allows for throttling of logs when the device is
2769         * running for large amounts of time.
2770         * @hide
2771         */
2772        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2773                "memcheck_log_realtime_interval";
2774
2775        /**
2776         * Boolean indicating whether rebooting due to system memory checks
2777         * is enabled.
2778         * @hide
2779         */
2780        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2781
2782        /**
2783         * How many bytes the system process must be below to avoid scheduling
2784         * a soft reboot.  This reboot will happen when it is next determined
2785         * to be a good time.
2786         * @hide
2787         */
2788        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2789
2790        /**
2791         * How many bytes the system process must be below to avoid scheduling
2792         * a hard reboot.  This reboot will happen immediately.
2793         * @hide
2794         */
2795        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2796
2797        /**
2798         * How many bytes the phone process must be below to avoid scheduling
2799         * a soft restart.  This restart will happen when it is next determined
2800         * to be a good time.
2801         * @hide
2802         */
2803        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2804
2805        /**
2806         * How many bytes the phone process must be below to avoid scheduling
2807         * a hard restart.  This restart will happen immediately.
2808         * @hide
2809         */
2810        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2811
2812        /**
2813         * Boolean indicating whether restarting the phone process due to
2814         * memory checks is enabled.
2815         * @hide
2816         */
2817        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2818
2819        /**
2820         * First time during the day it is okay to kill processes
2821         * or reboot the device due to low memory situations.  This number is
2822         * in seconds since midnight.
2823         * @hide
2824         */
2825        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2826
2827        /**
2828         * Last time during the day it is okay to kill processes
2829         * or reboot the device due to low memory situations.  This number is
2830         * in seconds since midnight.
2831         * @hide
2832         */
2833        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2834
2835        /**
2836         * How long the screen must have been off in order to kill processes
2837         * or reboot.  This number is in seconds.  A value of -1 means to
2838         * entirely disregard whether the screen is on.
2839         * @hide
2840         */
2841        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2842
2843        /**
2844         * How much time there must be until the next alarm in order to kill processes
2845         * or reboot.  This number is in seconds.  Note: this value must be
2846         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2847         * always see an alarm scheduled within its time.
2848         * @hide
2849         */
2850        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2851
2852        /**
2853         * How frequently to check whether it is a good time to restart things,
2854         * if the device is in a bad state.  This number is in seconds.  Note:
2855         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2856         * the alarm to schedule the recheck will always appear within the
2857         * minimum "do not execute now" time.
2858         * @hide
2859         */
2860        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2861
2862        /**
2863         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2864         * will occur.
2865         * @hide
2866         */
2867        public static final String REBOOT_INTERVAL = "reboot_interval";
2868
2869        /**
2870         * First time during the day it is okay to force a reboot of the
2871         * device (if REBOOT_INTERVAL is set).  This number is
2872         * in seconds since midnight.
2873         * @hide
2874         */
2875        public static final String REBOOT_START_TIME = "reboot_start_time";
2876
2877        /**
2878         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2879         * a reboot can be executed.  If 0, a reboot will always be executed at
2880         * exactly the given time.  Otherwise, it will only be executed if
2881         * the device is idle within the window.
2882         * @hide
2883         */
2884        public static final String REBOOT_WINDOW = "reboot_window";
2885
2886        /**
2887         * Threshold values for the duration and level of a discharge cycle, under
2888         * which we log discharge cycle info.
2889         * @hide
2890         */
2891        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
2892                "battery_discharge_duration_threshold";
2893        /** @hide */
2894        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
2895
2896        /**
2897         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
2898         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
2899         * will never display the "Report" button.
2900         * Type: int ( 0 = disallow, 1 = allow )
2901         * @hide
2902         */
2903        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
2904
2905        /**
2906         * Nonzero causes Log.wtf() to crash.
2907         * @hide
2908         */
2909        public static final String WTF_IS_FATAL = "wtf_is_fatal";
2910
2911        /**
2912         * Maximum age of entries kept by {@link android.os.IDropBox}.
2913         * @hide
2914         */
2915        public static final String DROPBOX_AGE_SECONDS =
2916                "dropbox_age_seconds";
2917        /**
2918         * Maximum number of entry files which {@link android.os.IDropBox} will keep around.
2919         * @hide
2920         */
2921        public static final String DROPBOX_MAX_FILES =
2922                "dropbox_max_files";
2923        /**
2924         * Maximum amount of disk space used by {@link android.os.IDropBox} no matter what.
2925         * @hide
2926         */
2927        public static final String DROPBOX_QUOTA_KB =
2928                "dropbox_quota_kb";
2929        /**
2930         * Percent of free disk (excluding reserve) which {@link android.os.IDropBox} will use.
2931         * @hide
2932         */
2933        public static final String DROPBOX_QUOTA_PERCENT =
2934                "dropbox_quota_percent";
2935        /**
2936         * Percent of total disk which {@link android.os.IDropBox} will never dip into.
2937         * @hide
2938         */
2939        public static final String DROPBOX_RESERVE_PERCENT =
2940                "dropbox_reserve_percent";
2941        /**
2942         * Prefix for per-tag dropbox disable/enable settings.
2943         * @hide
2944         */
2945        public static final String DROPBOX_TAG_PREFIX =
2946                "dropbox:";
2947        /**
2948         * Lines of logcat to include with system crash/ANR/etc. reports,
2949         * as a prefix of the dropbox tag of the report type.
2950         * For example, "logcat_for_system_server_anr" controls the lines
2951         * of logcat captured with system server ANR reports.  0 to disable.
2952         * @hide
2953         */
2954        public static final String ERROR_LOGCAT_PREFIX =
2955                "logcat_for_";
2956
2957
2958        /**
2959         * Screen timeout in milliseconds corresponding to the
2960         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
2961         * possible screen timeout behavior.)
2962         * @hide
2963         */
2964        public static final String SHORT_KEYLIGHT_DELAY_MS =
2965                "short_keylight_delay_ms";
2966
2967        /**
2968         * The interval in minutes after which the amount of free storage left on the
2969         * device is logged to the event log
2970         * @hide
2971         */
2972        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
2973                "sys_free_storage_log_interval";
2974
2975        /**
2976         * Threshold for the amount of change in disk free space required to report the amount of
2977         * free space. Used to prevent spamming the logs when the disk free space isn't changing
2978         * frequently.
2979         * @hide
2980         */
2981        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
2982                "disk_free_change_reporting_threshold";
2983
2984
2985        /**
2986         * Minimum percentage of free storage on the device that is used to determine if
2987         * the device is running low on storage.
2988         * Say this value is set to 10, the device is considered running low on storage
2989         * if 90% or more of the device storage is filled up.
2990         * @hide
2991         */
2992        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
2993                "sys_storage_threshold_percentage";
2994
2995        /**
2996         * The interval in milliseconds after which Wi-Fi is considered idle.
2997         * When idle, it is possible for the device to be switched from Wi-Fi to
2998         * the mobile data network.
2999         * @hide
3000         */
3001        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3002
3003        /**
3004         * The interval in milliseconds at which to check packet counts on the
3005         * mobile data interface when screen is on, to detect possible data
3006         * connection problems.
3007         * @hide
3008         */
3009        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3010                "pdp_watchdog_poll_interval_ms";
3011
3012        /**
3013         * The interval in milliseconds at which to check packet counts on the
3014         * mobile data interface when screen is off, to detect possible data
3015         * connection problems.
3016         * @hide
3017         */
3018        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3019                "pdp_watchdog_long_poll_interval_ms";
3020
3021        /**
3022         * The interval in milliseconds at which to check packet counts on the
3023         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3024         * outgoing packets has been reached without incoming packets.
3025         * @hide
3026         */
3027        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3028                "pdp_watchdog_error_poll_interval_ms";
3029
3030        /**
3031         * The number of outgoing packets sent without seeing an incoming packet
3032         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3033         * device is logged to the event log
3034         * @hide
3035         */
3036        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3037                "pdp_watchdog_trigger_packet_count";
3038
3039        /**
3040         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3041         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3042         * attempting data connection recovery.
3043         * @hide
3044         */
3045        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3046                "pdp_watchdog_error_poll_count";
3047
3048        /**
3049         * The number of failed PDP reset attempts before moving to something more
3050         * drastic: re-registering to the network.
3051         * @hide
3052         */
3053        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3054                "pdp_watchdog_max_pdp_reset_fail_count";
3055
3056        /**
3057         * Address to ping as a last sanity check before attempting any recovery.
3058         * Unset or set to "0.0.0.0" to skip this check.
3059         * @hide
3060         */
3061        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3062
3063        /**
3064         * The "-w deadline" parameter for the ping, ie, the max time in
3065         * seconds to spend pinging.
3066         * @hide
3067         */
3068        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3069
3070        /**
3071         * The interval in milliseconds at which to check gprs registration
3072         * after the first registration mismatch of gprs and voice service,
3073         * to detect possible data network registration problems.
3074         *
3075         * @hide
3076         */
3077        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3078                "gprs_register_check_period_ms";
3079
3080        /**
3081         * The length of time in milli-seconds that automatic small adjustments to
3082         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3083         * @hide
3084         */
3085        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3086
3087        /**
3088         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3089         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3090         * exceeded.
3091         * @hide
3092         */
3093        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3094
3095        /**
3096         * The maximum reconnect delay for short network outages or when the network is suspended
3097         * due to phone use.
3098         * @hide
3099         */
3100        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3101                "sync_max_retry_delay_in_seconds";
3102
3103        /**
3104         * The interval in milliseconds at which to check the number of SMS sent
3105         * out without asking for use permit, to limit the un-authorized SMS
3106         * usage.
3107         * @hide
3108         */
3109        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3110                "sms_outgoing_check_interval_ms";
3111
3112        /**
3113         * The number of outgoing SMS sent without asking for user permit
3114         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3115         * @hide
3116         */
3117        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3118                "sms_outgoing_check_max_count";
3119
3120        /**
3121         * The number of promoted sources in GlobalSearch.
3122         * @hide
3123         */
3124        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3125        /**
3126         * The maximum number of suggestions returned by GlobalSearch.
3127         * @hide
3128         */
3129        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3130        /**
3131         * The number of suggestions GlobalSearch will ask each non-web search source for.
3132         * @hide
3133         */
3134        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3135        /**
3136         * The number of suggestions the GlobalSearch will ask the web search source for.
3137         * @hide
3138         */
3139        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3140                "search_web_results_override_limit";
3141        /**
3142         * The number of milliseconds that GlobalSearch will wait for suggestions from
3143         * promoted sources before continuing with all other sources.
3144         * @hide
3145         */
3146        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3147                "search_promoted_source_deadline_millis";
3148        /**
3149         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3150         * @hide
3151         */
3152        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3153        /**
3154         * The maximum number of milliseconds that GlobalSearch shows the previous results
3155         * after receiving a new query.
3156         * @hide
3157         */
3158        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3159        /**
3160         * The maximum age of log data used for shortcuts in GlobalSearch.
3161         * @hide
3162         */
3163        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3164        /**
3165         * The maximum age of log data used for source ranking in GlobalSearch.
3166         * @hide
3167         */
3168        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3169                "search_max_source_event_age_millis";
3170        /**
3171         * The minimum number of impressions needed to rank a source in GlobalSearch.
3172         * @hide
3173         */
3174        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3175                "search_min_impressions_for_source_ranking";
3176        /**
3177         * The minimum number of clicks needed to rank a source in GlobalSearch.
3178         * @hide
3179         */
3180        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3181                "search_min_clicks_for_source_ranking";
3182        /**
3183         * The maximum number of shortcuts shown by GlobalSearch.
3184         * @hide
3185         */
3186        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3187        /**
3188         * The size of the core thread pool for suggestion queries in GlobalSearch.
3189         * @hide
3190         */
3191        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3192                "search_query_thread_core_pool_size";
3193        /**
3194         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3195         * @hide
3196         */
3197        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3198                "search_query_thread_max_pool_size";
3199        /**
3200         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3201         * @hide
3202         */
3203        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3204                "search_shortcut_refresh_core_pool_size";
3205        /**
3206         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3207         * @hide
3208         */
3209        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3210                "search_shortcut_refresh_max_pool_size";
3211        /**
3212         * The maximun time that excess threads in the GlobalSeach thread pools will
3213         * wait before terminating.
3214         * @hide
3215         */
3216        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3217                "search_thread_keepalive_seconds";
3218        /**
3219         * The maximum number of concurrent suggestion queries to each source.
3220         * @hide
3221         */
3222        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3223                "search_per_source_concurrent_query_limit";
3224
3225        /**
3226         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3227         * @hide
3228         */
3229        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3230
3231        /**
3232         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3233         * @hide
3234         */
3235        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3236
3237        /**
3238         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3239         * @hide
3240         */
3241        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3242
3243        /**
3244         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3245         * @hide
3246         */
3247        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3248
3249        /**
3250         * If nonzero, ANRs in invisible background processes bring up a dialog.
3251         * Otherwise, the process will be silently killed.
3252         * @hide
3253         */
3254        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3255
3256        /**
3257         * The {@link ComponentName} string of the service to be used as the voice recognition
3258         * service.
3259         *
3260         * @hide
3261         */
3262        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3263
3264        /**
3265         * What happens when the user presses the Power button while in-call
3266         * and the screen is on.<br/>
3267         * <b>Values:</b><br/>
3268         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3269         * 2 - The Power button hangs up the current call.<br/>
3270         *
3271         * @hide
3272         */
3273        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3274
3275        /**
3276         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3277         * @hide
3278         */
3279        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3280
3281        /**
3282         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3283         * @hide
3284         */
3285        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3286
3287        /**
3288         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3289         * @hide
3290         */
3291        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3292                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3293
3294        /**
3295         * The current night mode that has been selected by the user.  Owned
3296         * and controlled by UiModeManagerService.  Constants are as per
3297         * UiModeManager.
3298         * @hide
3299         */
3300        public static final String UI_NIGHT_MODE = "ui_night_mode";
3301
3302        /**
3303         * Let user pick default install location.
3304         * @hide
3305         */
3306        public static final String SET_INSTALL_LOCATION = "set_install_location";
3307
3308        /**
3309         * Default install location value.
3310         * 0 = auto, let system decide
3311         * 1 = internal
3312         * 2 = sdcard
3313         * @hide
3314         */
3315        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3316
3317        /**
3318         * The bandwidth throttle polling freqency in seconds
3319         * @hide
3320         */
3321        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3322
3323        /**
3324         * The bandwidth throttle threshold (long)
3325         * @hide
3326         */
3327        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3328
3329        /**
3330         * The bandwidth throttle value (kbps)
3331         * @hide
3332         */
3333        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3334
3335        /**
3336         * The bandwidth throttle reset calendar day (1-28)
3337         * @hide
3338         */
3339        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3340
3341        /**
3342         * The throttling notifications we should send
3343         * @hide
3344         */
3345        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3346
3347        /**
3348         * Help URI for data throttling policy
3349         * @hide
3350         */
3351        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3352
3353        /**
3354         * The length of time in Sec that we allow our notion of NTP time
3355         * to be cached before we refresh it
3356         * @hide
3357         */
3358        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3359                "throttle_max_ntp_cache_age_sec";
3360
3361
3362        /**
3363         * @hide
3364         */
3365        public static final String[] SETTINGS_TO_BACKUP = {
3366            ADB_ENABLED,
3367            ALLOW_MOCK_LOCATION,
3368            PARENTAL_CONTROL_ENABLED,
3369            PARENTAL_CONTROL_REDIRECT_URL,
3370            USB_MASS_STORAGE_ENABLED,
3371            ACCESSIBILITY_ENABLED,
3372            BACKUP_AUTO_RESTORE,
3373            ENABLED_ACCESSIBILITY_SERVICES,
3374            TTS_USE_DEFAULTS,
3375            TTS_DEFAULT_RATE,
3376            TTS_DEFAULT_PITCH,
3377            TTS_DEFAULT_SYNTH,
3378            TTS_DEFAULT_LANG,
3379            TTS_DEFAULT_COUNTRY,
3380            TTS_ENABLED_PLUGINS,
3381            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3382            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3383            WIFI_NUM_ALLOWED_CHANNELS,
3384            WIFI_NUM_OPEN_NETWORKS_KEPT,
3385            MOUNT_PLAY_NOTIFICATION_SND,
3386            MOUNT_UMS_AUTOSTART,
3387            MOUNT_UMS_PROMPT,
3388            MOUNT_UMS_NOTIFY_ENABLED,
3389            UI_NIGHT_MODE
3390        };
3391
3392        /**
3393         * Helper method for determining if a location provider is enabled.
3394         * @param cr the content resolver to use
3395         * @param provider the location provider to query
3396         * @return true if the provider is enabled
3397         */
3398        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3399            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3400            if (allowedProviders != null) {
3401                return (allowedProviders.equals(provider) ||
3402                        allowedProviders.contains("," + provider + ",") ||
3403                        allowedProviders.startsWith(provider + ",") ||
3404                        allowedProviders.endsWith("," + provider));
3405            }
3406            return false;
3407        }
3408
3409        /**
3410         * Thread-safe method for enabling or disabling a single location provider.
3411         * @param cr the content resolver to use
3412         * @param provider the location provider to enable or disable
3413         * @param enabled true if the provider should be enabled
3414         */
3415        public static final void setLocationProviderEnabled(ContentResolver cr,
3416                String provider, boolean enabled) {
3417            // to ensure thread safety, we write the provider name with a '+' or '-'
3418            // and let the SettingsProvider handle it rather than reading and modifying
3419            // the list of enabled providers.
3420            if (enabled) {
3421                provider = "+" + provider;
3422            } else {
3423                provider = "-" + provider;
3424            }
3425            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3426        }
3427    }
3428
3429    /**
3430     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3431     * Intent URL, allowing it to be either a web page or a particular
3432     * application activity.
3433     *
3434     * @hide
3435     */
3436    public static final class Bookmarks implements BaseColumns
3437    {
3438        private static final String TAG = "Bookmarks";
3439
3440        /**
3441         * The content:// style URL for this table
3442         */
3443        public static final Uri CONTENT_URI =
3444            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3445
3446        /**
3447         * The row ID.
3448         * <p>Type: INTEGER</p>
3449         */
3450        public static final String ID = "_id";
3451
3452        /**
3453         * Descriptive name of the bookmark that can be displayed to the user.
3454         * If this is empty, the title should be resolved at display time (use
3455         * {@link #getTitle(Context, Cursor)} any time you want to display the
3456         * title of a bookmark.)
3457         * <P>
3458         * Type: TEXT
3459         * </P>
3460         */
3461        public static final String TITLE = "title";
3462
3463        /**
3464         * Arbitrary string (displayed to the user) that allows bookmarks to be
3465         * organized into categories.  There are some special names for
3466         * standard folders, which all start with '@'.  The label displayed for
3467         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3468         * the folder name does not change so you can consistently query for
3469         * the folder regardless of the current locale.
3470         *
3471         * <P>Type: TEXT</P>
3472         *
3473         */
3474        public static final String FOLDER = "folder";
3475
3476        /**
3477         * The Intent URL of the bookmark, describing what it points to.  This
3478         * value is given to {@link android.content.Intent#getIntent} to create
3479         * an Intent that can be launched.
3480         * <P>Type: TEXT</P>
3481         */
3482        public static final String INTENT = "intent";
3483
3484        /**
3485         * Optional shortcut character associated with this bookmark.
3486         * <P>Type: INTEGER</P>
3487         */
3488        public static final String SHORTCUT = "shortcut";
3489
3490        /**
3491         * The order in which the bookmark should be displayed
3492         * <P>Type: INTEGER</P>
3493         */
3494        public static final String ORDERING = "ordering";
3495
3496        private static final String[] sIntentProjection = { INTENT };
3497        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3498        private static final String sShortcutSelection = SHORTCUT + "=?";
3499
3500        /**
3501         * Convenience function to retrieve the bookmarked Intent for a
3502         * particular shortcut key.
3503         *
3504         * @param cr The ContentResolver to query.
3505         * @param shortcut The shortcut key.
3506         *
3507         * @return Intent The bookmarked URL, or null if there is no bookmark
3508         *         matching the given shortcut.
3509         */
3510        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3511        {
3512            Intent intent = null;
3513
3514            Cursor c = cr.query(CONTENT_URI,
3515                    sIntentProjection, sShortcutSelection,
3516                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3517            // Keep trying until we find a valid shortcut
3518            try {
3519                while (intent == null && c.moveToNext()) {
3520                    try {
3521                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3522                        intent = Intent.getIntent(intentURI);
3523                    } catch (java.net.URISyntaxException e) {
3524                        // The stored URL is bad...  ignore it.
3525                    } catch (IllegalArgumentException e) {
3526                        // Column not found
3527                        Log.w(TAG, "Intent column not found", e);
3528                    }
3529                }
3530            } finally {
3531                if (c != null) c.close();
3532            }
3533
3534            return intent;
3535        }
3536
3537        /**
3538         * Add a new bookmark to the system.
3539         *
3540         * @param cr The ContentResolver to query.
3541         * @param intent The desired target of the bookmark.
3542         * @param title Bookmark title that is shown to the user; null if none
3543         *            or it should be resolved to the intent's title.
3544         * @param folder Folder in which to place the bookmark; null if none.
3545         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3546         *            this is non-zero and there is an existing bookmark entry
3547         *            with this same shortcut, then that existing shortcut is
3548         *            cleared (the bookmark is not removed).
3549         * @return The unique content URL for the new bookmark entry.
3550         */
3551        public static Uri add(ContentResolver cr,
3552                                           Intent intent,
3553                                           String title,
3554                                           String folder,
3555                                           char shortcut,
3556                                           int ordering)
3557        {
3558            // If a shortcut is supplied, and it is already defined for
3559            // another bookmark, then remove the old definition.
3560            if (shortcut != 0) {
3561                cr.delete(CONTENT_URI, sShortcutSelection,
3562                        new String[] { String.valueOf((int) shortcut) });
3563            }
3564
3565            ContentValues values = new ContentValues();
3566            if (title != null) values.put(TITLE, title);
3567            if (folder != null) values.put(FOLDER, folder);
3568            values.put(INTENT, intent.toURI());
3569            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3570            values.put(ORDERING, ordering);
3571            return cr.insert(CONTENT_URI, values);
3572        }
3573
3574        /**
3575         * Return the folder name as it should be displayed to the user.  This
3576         * takes care of localizing special folders.
3577         *
3578         * @param r Resources object for current locale; only need access to
3579         *          system resources.
3580         * @param folder The value found in the {@link #FOLDER} column.
3581         *
3582         * @return CharSequence The label for this folder that should be shown
3583         *         to the user.
3584         */
3585        public static CharSequence getLabelForFolder(Resources r, String folder) {
3586            return folder;
3587        }
3588
3589        /**
3590         * Return the title as it should be displayed to the user. This takes
3591         * care of localizing bookmarks that point to activities.
3592         *
3593         * @param context A context.
3594         * @param cursor A cursor pointing to the row whose title should be
3595         *        returned. The cursor must contain at least the {@link #TITLE}
3596         *        and {@link #INTENT} columns.
3597         * @return A title that is localized and can be displayed to the user,
3598         *         or the empty string if one could not be found.
3599         */
3600        public static CharSequence getTitle(Context context, Cursor cursor) {
3601            int titleColumn = cursor.getColumnIndex(TITLE);
3602            int intentColumn = cursor.getColumnIndex(INTENT);
3603            if (titleColumn == -1 || intentColumn == -1) {
3604                throw new IllegalArgumentException(
3605                        "The cursor must contain the TITLE and INTENT columns.");
3606            }
3607
3608            String title = cursor.getString(titleColumn);
3609            if (!TextUtils.isEmpty(title)) {
3610                return title;
3611            }
3612
3613            String intentUri = cursor.getString(intentColumn);
3614            if (TextUtils.isEmpty(intentUri)) {
3615                return "";
3616            }
3617
3618            Intent intent;
3619            try {
3620                intent = Intent.getIntent(intentUri);
3621            } catch (URISyntaxException e) {
3622                return "";
3623            }
3624
3625            PackageManager packageManager = context.getPackageManager();
3626            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3627            return info != null ? info.loadLabel(packageManager) : "";
3628        }
3629    }
3630
3631    /**
3632     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3633     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3634     * from the GoogleLoginService.
3635     *
3636     * @param androidId The Android ID for this device.
3637     * @return The device ID that should be used when connecting to the mobile gtalk server.
3638     * @hide
3639     */
3640    public static String getGTalkDeviceId(long androidId) {
3641        return "android-" + Long.toHexString(androidId);
3642    }
3643}
3644