Settings.java revision f8a450f62dc408b9051f494ae41d222467bc202b
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 screen of details about a particular application.
359     * <p>
360     * In some cases, a matching Activity may not exist, so ensure you
361     * safeguard against this.
362     * <p>
363     * Input: The Intent's data URI specifies the application package name
364     * to be shown, with the "package" scheme.  That is "package:com.my.app".
365     * <p>
366     * Output: Nothing.
367     */
368    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
369    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
370            "android.settings.APPLICATION_DETAILS_SETTINGS";
371
372    /**
373     * Activity Action: Show settings for system update functionality.
374     * <p>
375     * In some cases, a matching Activity may not exist, so ensure you
376     * safeguard against this.
377     * <p>
378     * Input: Nothing.
379     * <p>
380     * Output: Nothing.
381     *
382     * @hide
383     */
384    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
385    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
386            "android.settings.SYSTEM_UPDATE_SETTINGS";
387
388    /**
389     * Activity Action: Show settings to allow configuration of sync settings.
390     * <p>
391     * In some cases, a matching Activity may not exist, so ensure you
392     * safeguard against this.
393     * <p>
394     * The account types available to add via the add account button may be restricted by adding an
395     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
396     * authorities. Only account types which can sync with that content provider will be offered to
397     * the user.
398     * <p>
399     * Input: Nothing.
400     * <p>
401     * Output: Nothing.
402     */
403    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
404    public static final String ACTION_SYNC_SETTINGS =
405            "android.settings.SYNC_SETTINGS";
406
407    /**
408     * Activity Action: Show add account screen for creating a new account.
409     * <p>
410     * In some cases, a matching Activity may not exist, so ensure you
411     * safeguard against this.
412     * <p>
413     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
414     * extra to the Intent with one or more syncable content provider's authorities.  Only account
415     * types which can sync with that content provider will be offered to the user.
416     * <p>
417     * Input: Nothing.
418     * <p>
419     * Output: Nothing.
420     */
421    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
422    public static final String ACTION_ADD_ACCOUNT =
423            "android.settings.ADD_ACCOUNT_SETTINGS";
424
425    /**
426     * Activity Action: Show settings for selecting the network operator.
427     * <p>
428     * In some cases, a matching Activity may not exist, so ensure you
429     * safeguard against this.
430     * <p>
431     * Input: Nothing.
432     * <p>
433     * Output: Nothing.
434     */
435    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
436    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
437            "android.settings.NETWORK_OPERATOR_SETTINGS";
438
439    /**
440     * Activity Action: Show settings for selection of 2G/3G.
441     * <p>
442     * In some cases, a matching Activity may not exist, so ensure you
443     * safeguard against this.
444     * <p>
445     * Input: Nothing.
446     * <p>
447     * Output: Nothing.
448     */
449    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
450    public static final String ACTION_DATA_ROAMING_SETTINGS =
451            "android.settings.DATA_ROAMING_SETTINGS";
452
453    /**
454     * Activity Action: Show settings for internal storage.
455     * <p>
456     * In some cases, a matching Activity may not exist, so ensure you
457     * safeguard against this.
458     * <p>
459     * Input: Nothing.
460     * <p>
461     * Output: Nothing.
462     */
463    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
464    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
465            "android.settings.INTERNAL_STORAGE_SETTINGS";
466    /**
467     * Activity Action: Show settings for memory card storage.
468     * <p>
469     * In some cases, a matching Activity may not exist, so ensure you
470     * safeguard against this.
471     * <p>
472     * Input: Nothing.
473     * <p>
474     * Output: Nothing.
475     */
476    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
477    public static final String ACTION_MEMORY_CARD_SETTINGS =
478            "android.settings.MEMORY_CARD_SETTINGS";
479
480    /**
481     * Activity Action: Show settings for global search.
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_SEARCH_SETTINGS =
492        "android.search.action.SEARCH_SETTINGS";
493
494    /**
495     * Activity Action: Show general device information settings (serial
496     * number, software version, phone number, etc.).
497     * <p>
498     * In some cases, a matching Activity may not exist, so ensure you
499     * safeguard against this.
500     * <p>
501     * Input: Nothing.
502     * <p>
503     * Output: Nothing
504     */
505    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
506    public static final String ACTION_DEVICE_INFO_SETTINGS =
507        "android.settings.DEVICE_INFO_SETTINGS";
508
509    // End of Intent actions for Settings
510
511    /**
512     * @hide - Private call() method on SettingsProvider to read from 'system' table.
513     */
514    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
515
516    /**
517     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
518     */
519    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
520
521    /**
522     * Activity Extra: Limit available options in launched activity based on the given authority.
523     * <p>
524     * This can be passed as an extra field in an Activity Intent with one or more syncable content
525     * provider's authorities as a String[]. This field is used by some intents to alter the
526     * behavior of the called activity.
527     * <p>
528     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
529     * on the authority given.
530     */
531    public static final String EXTRA_AUTHORITIES =
532            "authorities";
533
534    private static final String JID_RESOURCE_PREFIX = "android";
535
536    public static final String AUTHORITY = "settings";
537
538    private static final String TAG = "Settings";
539    private static final boolean LOCAL_LOGV = Config.LOGV || false;
540
541    public static class SettingNotFoundException extends AndroidException {
542        public SettingNotFoundException(String msg) {
543            super(msg);
544        }
545    }
546
547    /**
548     * Common base for tables of name/value settings.
549     */
550    public static class NameValueTable implements BaseColumns {
551        public static final String NAME = "name";
552        public static final String VALUE = "value";
553
554        protected static boolean putString(ContentResolver resolver, Uri uri,
555                String name, String value) {
556            // The database will take care of replacing duplicates.
557            try {
558                ContentValues values = new ContentValues();
559                values.put(NAME, name);
560                values.put(VALUE, value);
561                resolver.insert(uri, values);
562                return true;
563            } catch (SQLException e) {
564                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
565                return false;
566            }
567        }
568
569        public static Uri getUriFor(Uri uri, String name) {
570            return Uri.withAppendedPath(uri, name);
571        }
572    }
573
574    // Thread-safe.
575    private static class NameValueCache {
576        private final String mVersionSystemProperty;
577        private final Uri mUri;
578
579        private static final String[] SELECT_VALUE =
580            new String[] { Settings.NameValueTable.VALUE };
581        private static final String NAME_EQ_PLACEHOLDER = "name=?";
582
583        // Must synchronize on 'this' to access mValues and mValuesVersion.
584        private final HashMap<String, String> mValues = new HashMap<String, String>();
585        private long mValuesVersion = 0;
586
587        // Initially null; set lazily and held forever.  Synchronized on 'this'.
588        private IContentProvider mContentProvider = null;
589
590        // The method we'll call (or null, to not use) on the provider
591        // for the fast path of retrieving settings.
592        private final String mCallCommand;
593
594        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
595            mVersionSystemProperty = versionSystemProperty;
596            mUri = uri;
597            mCallCommand = callCommand;
598        }
599
600        public String getString(ContentResolver cr, String name) {
601            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
602
603            synchronized (this) {
604                if (mValuesVersion != newValuesVersion) {
605                    if (LOCAL_LOGV) {
606                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
607                                newValuesVersion + " != cached " + mValuesVersion);
608                    }
609
610                    mValues.clear();
611                    mValuesVersion = newValuesVersion;
612                }
613
614                if (mValues.containsKey(name)) {
615                    return mValues.get(name);  // Could be null, that's OK -- negative caching
616                }
617            }
618
619            IContentProvider cp = null;
620            synchronized (this) {
621                cp = mContentProvider;
622                if (cp == null) {
623                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
624                }
625            }
626
627            // Try the fast path first, not using query().  If this
628            // fails (alternate Settings provider that doesn't support
629            // this interface?) then we fall back to the query/table
630            // interface.
631            if (mCallCommand != null) {
632                try {
633                    Bundle b = cp.call(mCallCommand, name, null);
634                    if (b != null) {
635                        String value = b.getPairValue();
636                        synchronized (this) {
637                            mValues.put(name, value);
638                        }
639                        return value;
640                    }
641                    // If the response Bundle is null, we fall through
642                    // to the query interface below.
643                } catch (RemoteException e) {
644                    // Not supported by the remote side?  Fall through
645                    // to query().
646                }
647            }
648
649            Cursor c = null;
650            try {
651                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
652                             new String[]{name}, null);
653                if (c == null) {
654                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
655                    return null;
656                }
657
658                String value = c.moveToNext() ? c.getString(0) : null;
659                synchronized (this) {
660                    mValues.put(name, value);
661                }
662                if (LOCAL_LOGV) {
663                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
664                            name + " = " + (value == null ? "(null)" : value));
665                }
666                return value;
667            } catch (RemoteException e) {
668                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
669                return null;  // Return null, but don't cache it.
670            } finally {
671                if (c != null) c.close();
672            }
673        }
674    }
675
676    /**
677     * System settings, containing miscellaneous system preferences.  This
678     * table holds simple name/value pairs.  There are convenience
679     * functions for accessing individual settings entries.
680     */
681    public static final class System extends NameValueTable {
682        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
683
684        // Populated lazily, guarded by class object:
685        private static NameValueCache sNameValueCache = null;
686
687        private static final HashSet<String> MOVED_TO_SECURE;
688        static {
689            MOVED_TO_SECURE = new HashSet<String>(30);
690            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
691            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
692            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
693            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
694            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
695            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
696            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
697            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
698            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
699            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
700            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
701            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
702            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
703            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
704            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
705            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
706            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
707            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
708            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
709            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
710            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
711            MOVED_TO_SECURE.add(Secure.WIFI_ON);
712            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
713            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
714            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
715            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
716            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
717            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
718            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
719            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
720            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
721            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
722            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
723        }
724
725        /**
726         * Look up a name in the database.
727         * @param resolver to access the database with
728         * @param name to look up in the table
729         * @return the corresponding value, or null if not present
730         */
731        public synchronized static String getString(ContentResolver resolver, String name) {
732            if (MOVED_TO_SECURE.contains(name)) {
733                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
734                        + " to android.provider.Settings.Secure, returning read-only value.");
735                return Secure.getString(resolver, name);
736            }
737            if (sNameValueCache == null) {
738                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
739                                                     CALL_METHOD_GET_SYSTEM);
740            }
741            return sNameValueCache.getString(resolver, name);
742        }
743
744        /**
745         * Store a name/value pair into the database.
746         * @param resolver to access the database with
747         * @param name to store
748         * @param value to associate with the name
749         * @return true if the value was set, false on database errors
750         */
751        public static boolean putString(ContentResolver resolver, String name, String value) {
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, value is unchanged.");
755                return false;
756            }
757            return putString(resolver, CONTENT_URI, name, value);
758        }
759
760        /**
761         * Construct the content URI for a particular name/value pair,
762         * useful for monitoring changes with a ContentObserver.
763         * @param name to look up in the table
764         * @return the corresponding content URI, or null if not present
765         */
766        public static Uri getUriFor(String name) {
767            if (MOVED_TO_SECURE.contains(name)) {
768                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
769                    + " to android.provider.Settings.Secure, returning Secure URI.");
770                return Secure.getUriFor(Secure.CONTENT_URI, name);
771            }
772            return getUriFor(CONTENT_URI, name);
773        }
774
775        /**
776         * Convenience function for retrieving a single system settings value
777         * as an integer.  Note that internally setting values are always
778         * stored as strings; this function converts the string to an integer
779         * for you.  The default value will be returned if the setting is
780         * not defined or not an integer.
781         *
782         * @param cr The ContentResolver to access.
783         * @param name The name of the setting to retrieve.
784         * @param def Value to return if the setting is not defined.
785         *
786         * @return The setting's current value, or 'def' if it is not defined
787         * or not a valid integer.
788         */
789        public static int getInt(ContentResolver cr, String name, int def) {
790            String v = getString(cr, name);
791            try {
792                return v != null ? Integer.parseInt(v) : def;
793            } catch (NumberFormatException e) {
794                return def;
795            }
796        }
797
798        /**
799         * Convenience function for retrieving a single system settings value
800         * as an integer.  Note that internally setting values are always
801         * stored as strings; this function converts the string to an integer
802         * for you.
803         * <p>
804         * This version does not take a default value.  If the setting has not
805         * been set, or the string value is not a number,
806         * it throws {@link SettingNotFoundException}.
807         *
808         * @param cr The ContentResolver to access.
809         * @param name The name of the setting to retrieve.
810         *
811         * @throws SettingNotFoundException Thrown if a setting by the given
812         * name can't be found or the setting value is not an integer.
813         *
814         * @return The setting's current value.
815         */
816        public static int getInt(ContentResolver cr, String name)
817                throws SettingNotFoundException {
818            String v = getString(cr, name);
819            try {
820                return Integer.parseInt(v);
821            } catch (NumberFormatException e) {
822                throw new SettingNotFoundException(name);
823            }
824        }
825
826        /**
827         * Convenience function for updating a single settings value as an
828         * integer. This will either create a new entry in the table if the
829         * given name does not exist, or modify the value of the existing row
830         * with that name.  Note that internally setting values are always
831         * stored as strings, so this function converts the given value to a
832         * string before storing it.
833         *
834         * @param cr The ContentResolver to access.
835         * @param name The name of the setting to modify.
836         * @param value The new value for the setting.
837         * @return true if the value was set, false on database errors
838         */
839        public static boolean putInt(ContentResolver cr, String name, int value) {
840            return putString(cr, name, Integer.toString(value));
841        }
842
843        /**
844         * Convenience function for retrieving a single system settings value
845         * as a {@code long}.  Note that internally setting values are always
846         * stored as strings; this function converts the string to a {@code long}
847         * for you.  The default value will be returned if the setting is
848         * not defined or not a {@code long}.
849         *
850         * @param cr The ContentResolver to access.
851         * @param name The name of the setting to retrieve.
852         * @param def Value to return if the setting is not defined.
853         *
854         * @return The setting's current value, or 'def' if it is not defined
855         * or not a valid {@code long}.
856         */
857        public static long getLong(ContentResolver cr, String name, long def) {
858            String valString = getString(cr, name);
859            long value;
860            try {
861                value = valString != null ? Long.parseLong(valString) : def;
862            } catch (NumberFormatException e) {
863                value = def;
864            }
865            return value;
866        }
867
868        /**
869         * Convenience function for retrieving a single system settings value
870         * as a {@code long}.  Note that internally setting values are always
871         * stored as strings; this function converts the string to a {@code long}
872         * for you.
873         * <p>
874         * This version does not take a default value.  If the setting has not
875         * been set, or the string value is not a number,
876         * it throws {@link SettingNotFoundException}.
877         *
878         * @param cr The ContentResolver to access.
879         * @param name The name of the setting to retrieve.
880         *
881         * @return The setting's current value.
882         * @throws SettingNotFoundException Thrown if a setting by the given
883         * name can't be found or the setting value is not an integer.
884         */
885        public static long getLong(ContentResolver cr, String name)
886                throws SettingNotFoundException {
887            String valString = getString(cr, name);
888            try {
889                return Long.parseLong(valString);
890            } catch (NumberFormatException e) {
891                throw new SettingNotFoundException(name);
892            }
893        }
894
895        /**
896         * Convenience function for updating a single settings value as a long
897         * integer. This will either create a new entry in the table if the
898         * given name does not exist, or modify the value of the existing row
899         * with that name.  Note that internally setting values are always
900         * stored as strings, so this function converts the given value to a
901         * string before storing it.
902         *
903         * @param cr The ContentResolver to access.
904         * @param name The name of the setting to modify.
905         * @param value The new value for the setting.
906         * @return true if the value was set, false on database errors
907         */
908        public static boolean putLong(ContentResolver cr, String name, long value) {
909            return putString(cr, name, Long.toString(value));
910        }
911
912        /**
913         * Convenience function for retrieving a single system settings value
914         * as a floating point number.  Note that internally setting values are
915         * always stored as strings; this function converts the string to an
916         * float for you. The default value will be returned if the setting
917         * is not defined or not a valid float.
918         *
919         * @param cr The ContentResolver to access.
920         * @param name The name of the setting to retrieve.
921         * @param def Value to return if the setting is not defined.
922         *
923         * @return The setting's current value, or 'def' if it is not defined
924         * or not a valid float.
925         */
926        public static float getFloat(ContentResolver cr, String name, float def) {
927            String v = getString(cr, name);
928            try {
929                return v != null ? Float.parseFloat(v) : def;
930            } catch (NumberFormatException e) {
931                return def;
932            }
933        }
934
935        /**
936         * Convenience function for retrieving a single system settings value
937         * as a float.  Note that internally setting values are always
938         * stored as strings; this function converts the string to a float
939         * for you.
940         * <p>
941         * This version does not take a default value.  If the setting has not
942         * been set, or the string value is not a number,
943         * it throws {@link SettingNotFoundException}.
944         *
945         * @param cr The ContentResolver to access.
946         * @param name The name of the setting to retrieve.
947         *
948         * @throws SettingNotFoundException Thrown if a setting by the given
949         * name can't be found or the setting value is not a float.
950         *
951         * @return The setting's current value.
952         */
953        public static float getFloat(ContentResolver cr, String name)
954                throws SettingNotFoundException {
955            String v = getString(cr, name);
956            try {
957                return Float.parseFloat(v);
958            } catch (NumberFormatException e) {
959                throw new SettingNotFoundException(name);
960            }
961        }
962
963        /**
964         * Convenience function for updating a single settings value as a
965         * floating point number. This will either create a new entry in the
966         * table if the given name does not exist, or modify the value of the
967         * existing row with that name.  Note that internally setting values
968         * are always stored as strings, so this function converts the given
969         * value to a string before storing it.
970         *
971         * @param cr The ContentResolver to access.
972         * @param name The name of the setting to modify.
973         * @param value The new value for the setting.
974         * @return true if the value was set, false on database errors
975         */
976        public static boolean putFloat(ContentResolver cr, String name, float value) {
977            return putString(cr, name, Float.toString(value));
978        }
979
980        /**
981         * Convenience function to read all of the current
982         * configuration-related settings into a
983         * {@link Configuration} object.
984         *
985         * @param cr The ContentResolver to access.
986         * @param outConfig Where to place the configuration settings.
987         */
988        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
989            outConfig.fontScale = Settings.System.getFloat(
990                cr, FONT_SCALE, outConfig.fontScale);
991            if (outConfig.fontScale < 0) {
992                outConfig.fontScale = 1;
993            }
994        }
995
996        /**
997         * Convenience function to write a batch of configuration-related
998         * settings from a {@link Configuration} object.
999         *
1000         * @param cr The ContentResolver to access.
1001         * @param config The settings to write.
1002         * @return true if the values were set, false on database errors
1003         */
1004        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1005            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1006        }
1007
1008        /** @hide */
1009        public static boolean hasInterestingConfigurationChanges(int changes) {
1010            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1011        }
1012
1013        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1014            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1015        }
1016
1017        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1018            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1019        }
1020
1021        /**
1022         * The content:// style URL for this table
1023         */
1024        public static final Uri CONTENT_URI =
1025            Uri.parse("content://" + AUTHORITY + "/system");
1026
1027        /**
1028         * Whether we keep the device on while the device is plugged in.
1029         * Supported values are:
1030         * <ul>
1031         * <li>{@code 0} to never stay on while plugged in</li>
1032         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1033         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1034         * </ul>
1035         * These values can be OR-ed together.
1036         */
1037        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1038
1039        /**
1040         * What happens when the user presses the end call button if they're not
1041         * on a call.<br/>
1042         * <b>Values:</b><br/>
1043         * 0 - The end button does nothing.<br/>
1044         * 1 - The end button goes to the home screen.<br/>
1045         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1046         * 3 - The end button goes to the home screen.  If the user is already on the
1047         * home screen, it puts the device to sleep.
1048         */
1049        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1050
1051        /**
1052         * END_BUTTON_BEHAVIOR value for "go home".
1053         * @hide
1054         */
1055        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1056
1057        /**
1058         * END_BUTTON_BEHAVIOR value for "go to sleep".
1059         * @hide
1060         */
1061        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1062
1063        /**
1064         * END_BUTTON_BEHAVIOR default value.
1065         * @hide
1066         */
1067        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1068
1069        /**
1070         * Whether Airplane Mode is on.
1071         */
1072        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1073
1074        /**
1075         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1076         */
1077        public static final String RADIO_BLUETOOTH = "bluetooth";
1078
1079        /**
1080         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1081         */
1082        public static final String RADIO_WIFI = "wifi";
1083
1084        /**
1085         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1086         */
1087        public static final String RADIO_CELL = "cell";
1088
1089        /**
1090         * A comma separated list of radios that need to be disabled when airplane mode
1091         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1092         * included in the comma separated list.
1093         */
1094        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1095
1096        /**
1097         * A comma separated list of radios that should to be disabled when airplane mode
1098         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1099         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1100         * will be turned off when entering airplane mode, but the user will be able to reenable
1101         * Wifi in the Settings app.
1102         *
1103         * {@hide}
1104         */
1105        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1106
1107        /**
1108         * The policy for deciding when Wi-Fi should go to sleep (which will in
1109         * turn switch to using the mobile data as an Internet connection).
1110         * <p>
1111         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1112         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1113         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1114         */
1115        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1116
1117        /**
1118         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1119         * policy, which is to sleep shortly after the turning off
1120         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1121         */
1122        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1123
1124        /**
1125         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1126         * the device is on battery, and never go to sleep when the device is
1127         * plugged in.
1128         */
1129        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1130
1131        /**
1132         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1133         */
1134        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1135
1136        /**
1137         * Whether to use static IP and other static network attributes.
1138         * <p>
1139         * Set to 1 for true and 0 for false.
1140         */
1141        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1142
1143        /**
1144         * The static IP address.
1145         * <p>
1146         * Example: "192.168.1.51"
1147         */
1148        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1149
1150        /**
1151         * If using static IP, the gateway's IP address.
1152         * <p>
1153         * Example: "192.168.1.1"
1154         */
1155        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1156
1157        /**
1158         * If using static IP, the net mask.
1159         * <p>
1160         * Example: "255.255.255.0"
1161         */
1162        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1163
1164        /**
1165         * If using static IP, the primary DNS's IP address.
1166         * <p>
1167         * Example: "192.168.1.1"
1168         */
1169        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1170
1171        /**
1172         * If using static IP, the secondary DNS's IP address.
1173         * <p>
1174         * Example: "192.168.1.2"
1175         */
1176        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1177
1178        /**
1179         * The number of radio channels that are allowed in the local
1180         * 802.11 regulatory domain.
1181         * @hide
1182         */
1183        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1184
1185        /**
1186         * Determines whether remote devices may discover and/or connect to
1187         * this device.
1188         * <P>Type: INT</P>
1189         * 2 -- discoverable and connectable
1190         * 1 -- connectable but not discoverable
1191         * 0 -- neither connectable nor discoverable
1192         */
1193        public static final String BLUETOOTH_DISCOVERABILITY =
1194            "bluetooth_discoverability";
1195
1196        /**
1197         * Bluetooth discoverability timeout.  If this value is nonzero, then
1198         * Bluetooth becomes discoverable for a certain number of seconds,
1199         * after which is becomes simply connectable.  The value is in seconds.
1200         */
1201        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1202            "bluetooth_discoverability_timeout";
1203
1204        /**
1205         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1206         * instead
1207         */
1208        @Deprecated
1209        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1210
1211        /**
1212         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1213         * instead
1214         */
1215        @Deprecated
1216        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1217
1218        /**
1219         * @deprecated Use
1220         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1221         * instead
1222         */
1223        @Deprecated
1224        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1225            "lock_pattern_tactile_feedback_enabled";
1226
1227
1228        /**
1229         * A formatted string of the next alarm that is set, or the empty string
1230         * if there is no alarm set.
1231         */
1232        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1233
1234        /**
1235         * Scaling factor for fonts, float.
1236         */
1237        public static final String FONT_SCALE = "font_scale";
1238
1239        /**
1240         * Name of an application package to be debugged.
1241         */
1242        public static final String DEBUG_APP = "debug_app";
1243
1244        /**
1245         * If 1, when launching DEBUG_APP it will wait for the debugger before
1246         * starting user code.  If 0, it will run normally.
1247         */
1248        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1249
1250        /**
1251         * Whether or not to dim the screen. 0=no  1=yes
1252         */
1253        public static final String DIM_SCREEN = "dim_screen";
1254
1255        /**
1256         * The timeout before the screen turns off.
1257         */
1258        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1259
1260        /**
1261         * If 0, the compatibility mode is off for all applications.
1262         * If 1, older applications run under compatibility mode.
1263         * TODO: remove this settings before code freeze (bug/1907571)
1264         * @hide
1265         */
1266        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1267
1268        /**
1269         * The screen backlight brightness between 0 and 255.
1270         */
1271        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1272
1273        /**
1274         * Control whether to enable automatic brightness mode.
1275         */
1276        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1277
1278        /**
1279         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1280         */
1281        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1282
1283        /**
1284         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1285         */
1286        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1287
1288        /**
1289         * Control whether the process CPU usage meter should be shown.
1290         */
1291        public static final String SHOW_PROCESSES = "show_processes";
1292
1293        /**
1294         * If 1, the activity manager will aggressively finish activities and
1295         * processes as soon as they are no longer needed.  If 0, the normal
1296         * extended lifetime is used.
1297         */
1298        public static final String ALWAYS_FINISH_ACTIVITIES =
1299                "always_finish_activities";
1300
1301
1302        /**
1303         * Ringer mode. This is used internally, changing this value will not
1304         * change the ringer mode. See AudioManager.
1305         */
1306        public static final String MODE_RINGER = "mode_ringer";
1307
1308        /**
1309         * Determines which streams are affected by ringer mode changes. The
1310         * stream type's bit should be set to 1 if it should be muted when going
1311         * into an inaudible ringer mode.
1312         */
1313        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1314
1315         /**
1316          * Determines which streams are affected by mute. The
1317          * stream type's bit should be set to 1 if it should be muted when a mute request
1318          * is received.
1319          */
1320         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1321
1322        /**
1323         * Whether vibrate is on for different events. This is used internally,
1324         * changing this value will not change the vibrate. See AudioManager.
1325         */
1326        public static final String VIBRATE_ON = "vibrate_on";
1327
1328        /**
1329         * Ringer volume. This is used internally, changing this value will not
1330         * change the volume. See AudioManager.
1331         */
1332        public static final String VOLUME_RING = "volume_ring";
1333
1334        /**
1335         * System/notifications volume. This is used internally, changing this
1336         * value will not change the volume. See AudioManager.
1337         */
1338        public static final String VOLUME_SYSTEM = "volume_system";
1339
1340        /**
1341         * Voice call volume. This is used internally, changing this value will
1342         * not change the volume. See AudioManager.
1343         */
1344        public static final String VOLUME_VOICE = "volume_voice";
1345
1346        /**
1347         * Music/media/gaming volume. This is used internally, changing this
1348         * value will not change the volume. See AudioManager.
1349         */
1350        public static final String VOLUME_MUSIC = "volume_music";
1351
1352        /**
1353         * Alarm volume. This is used internally, changing this
1354         * value will not change the volume. See AudioManager.
1355         */
1356        public static final String VOLUME_ALARM = "volume_alarm";
1357
1358        /**
1359         * Notification volume. This is used internally, changing this
1360         * value will not change the volume. See AudioManager.
1361         */
1362        public static final String VOLUME_NOTIFICATION = "volume_notification";
1363
1364        /**
1365         * Bluetooth Headset volume. This is used internally, changing this value will
1366         * not change the volume. See AudioManager.
1367         */
1368        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1369
1370        /**
1371         * Whether the notifications should use the ring volume (value of 1) or
1372         * a separate notification volume (value of 0). In most cases, users
1373         * will have this enabled so the notification and ringer volumes will be
1374         * the same. However, power users can disable this and use the separate
1375         * notification volume control.
1376         * <p>
1377         * Note: This is a one-off setting that will be removed in the future
1378         * when there is profile support. For this reason, it is kept hidden
1379         * from the public APIs.
1380         *
1381         * @hide
1382         */
1383        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1384            "notifications_use_ring_volume";
1385
1386        /**
1387         * Whether silent mode should allow vibration feedback. This is used
1388         * internally in AudioService and the Sound settings activity to
1389         * coordinate decoupling of vibrate and silent modes. This setting
1390         * will likely be removed in a future release with support for
1391         * audio/vibe feedback profiles.
1392         *
1393         * @hide
1394         */
1395        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1396
1397        /**
1398         * The mapping of stream type (integer) to its setting.
1399         */
1400        public static final String[] VOLUME_SETTINGS = {
1401            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1402            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1403        };
1404
1405        /**
1406         * Appended to various volume related settings to record the previous
1407         * values before they the settings were affected by a silent/vibrate
1408         * ringer mode change.
1409         */
1410        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1411
1412        /**
1413         * Persistent store for the system-wide default ringtone URI.
1414         * <p>
1415         * If you need to play the default ringtone at any given time, it is recommended
1416         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1417         * to the set default ringtone at the time of playing.
1418         *
1419         * @see #DEFAULT_RINGTONE_URI
1420         */
1421        public static final String RINGTONE = "ringtone";
1422
1423        /**
1424         * A {@link Uri} that will point to the current default ringtone at any
1425         * given time.
1426         * <p>
1427         * If the current default ringtone is in the DRM provider and the caller
1428         * does not have permission, the exception will be a
1429         * FileNotFoundException.
1430         */
1431        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1432
1433        /**
1434         * Persistent store for the system-wide default notification sound.
1435         *
1436         * @see #RINGTONE
1437         * @see #DEFAULT_NOTIFICATION_URI
1438         */
1439        public static final String NOTIFICATION_SOUND = "notification_sound";
1440
1441        /**
1442         * A {@link Uri} that will point to the current default notification
1443         * sound at any given time.
1444         *
1445         * @see #DEFAULT_RINGTONE_URI
1446         */
1447        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1448
1449        /**
1450         * Persistent store for the system-wide default alarm alert.
1451         *
1452         * @see #RINGTONE
1453         * @see #DEFAULT_ALARM_ALERT_URI
1454         */
1455        public static final String ALARM_ALERT = "alarm_alert";
1456
1457        /**
1458         * A {@link Uri} that will point to the current default alarm alert at
1459         * any given time.
1460         *
1461         * @see #DEFAULT_ALARM_ALERT_URI
1462         */
1463        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1464
1465        /**
1466         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1467         */
1468        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1469
1470        /**
1471         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1472         */
1473        public static final String TEXT_AUTO_CAPS = "auto_caps";
1474
1475        /**
1476         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1477         * feature converts two spaces to a "." and space.
1478         */
1479        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1480
1481        /**
1482         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1483         */
1484        public static final String TEXT_SHOW_PASSWORD = "show_password";
1485
1486        public static final String SHOW_GTALK_SERVICE_STATUS =
1487                "SHOW_GTALK_SERVICE_STATUS";
1488
1489        /**
1490         * Name of activity to use for wallpaper on the home screen.
1491         */
1492        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1493
1494        /**
1495         * Value to specify if the user prefers the date, time and time zone
1496         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1497         */
1498        public static final String AUTO_TIME = "auto_time";
1499
1500        /**
1501         * Display times as 12 or 24 hours
1502         *   12
1503         *   24
1504         */
1505        public static final String TIME_12_24 = "time_12_24";
1506
1507        /**
1508         * Date format string
1509         *   mm/dd/yyyy
1510         *   dd/mm/yyyy
1511         *   yyyy/mm/dd
1512         */
1513        public static final String DATE_FORMAT = "date_format";
1514
1515        /**
1516         * Whether the setup wizard has been run before (on first boot), or if
1517         * it still needs to be run.
1518         *
1519         * nonzero = it has been run in the past
1520         * 0 = it has not been run in the past
1521         */
1522        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1523
1524        /**
1525         * Scaling factor for normal window animations. Setting to 0 will disable window
1526         * animations.
1527         */
1528        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1529
1530        /**
1531         * Scaling factor for activity transition animations. Setting to 0 will disable window
1532         * animations.
1533         */
1534        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1535
1536        /**
1537         * Scaling factor for normal window animations. Setting to 0 will disable window
1538         * animations.
1539         * @hide
1540         */
1541        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1542
1543        /**
1544         * Control whether the accelerometer will be used to change screen
1545         * orientation.  If 0, it will not be used unless explicitly requested
1546         * by the application; if 1, it will be used by default unless explicitly
1547         * disabled by the application.
1548         */
1549        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1550
1551        /**
1552         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1553         * boolean (1 or 0).
1554         */
1555        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1556
1557        /**
1558         * CDMA only settings
1559         * DTMF tone type played by the dialer when dialing.
1560         *                 0 = Normal
1561         *                 1 = Long
1562         * @hide
1563         */
1564        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1565
1566        /**
1567         * CDMA only settings
1568         * Emergency Tone  0 = Off
1569         *                 1 = Alert
1570         *                 2 = Vibrate
1571         * @hide
1572         */
1573        public static final String EMERGENCY_TONE = "emergency_tone";
1574
1575        /**
1576         * CDMA only settings
1577         * Whether the auto retry is enabled. The value is
1578         * boolean (1 or 0).
1579         * @hide
1580         */
1581        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1582
1583        /**
1584         * Whether the hearing aid is enabled. The value is
1585         * boolean (1 or 0).
1586         * @hide
1587         */
1588        public static final String HEARING_AID = "hearing_aid";
1589
1590        /**
1591         * CDMA only settings
1592         * TTY Mode
1593         * 0 = OFF
1594         * 1 = FULL
1595         * 2 = VCO
1596         * 3 = HCO
1597         * @hide
1598         */
1599        public static final String TTY_MODE = "tty_mode";
1600
1601        /**
1602         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1603         * boolean (1 or 0).
1604         */
1605        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1606
1607        /**
1608         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1609         * boolean (1 or 0).
1610         */
1611        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1612
1613        /**
1614         * Whether live web suggestions while the user types into search dialogs are
1615         * enabled. Browsers and other search UIs should respect this, as it allows
1616         * a user to avoid sending partial queries to a search engine, if it poses
1617         * any privacy concern. The value is boolean (1 or 0).
1618         */
1619        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1620
1621        /**
1622         * Whether the notification LED should repeatedly flash when a notification is
1623         * pending. The value is boolean (1 or 0).
1624         * @hide
1625         */
1626        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1627
1628        /**
1629         * Show pointer location on screen?
1630         * 0 = no
1631         * 1 = yes
1632         * @hide
1633         */
1634        public static final String POINTER_LOCATION = "pointer_location";
1635
1636        /**
1637         * Whether to play a sound for low-battery alerts.
1638         * @hide
1639         */
1640        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1641
1642        /**
1643         * Whether to play a sound for dock events.
1644         * @hide
1645         */
1646        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1647
1648        /**
1649         * Whether to play sounds when the keyguard is shown and dismissed.
1650         * @hide
1651         */
1652        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1653
1654        /**
1655         * URI for the low battery sound file.
1656         * @hide
1657         */
1658        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1659
1660        /**
1661         * URI for the desk dock "in" event sound.
1662         * @hide
1663         */
1664        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1665
1666        /**
1667         * URI for the desk dock "out" event sound.
1668         * @hide
1669         */
1670        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1671
1672        /**
1673         * URI for the car dock "in" event sound.
1674         * @hide
1675         */
1676        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1677
1678        /**
1679         * URI for the car dock "out" event sound.
1680         * @hide
1681         */
1682        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1683
1684        /**
1685         * URI for the "device locked" (keyguard shown) sound.
1686         * @hide
1687         */
1688        public static final String LOCK_SOUND = "lock_sound";
1689
1690        /**
1691         * URI for the "device unlocked" (keyguard dismissed) sound.
1692         * @hide
1693         */
1694        public static final String UNLOCK_SOUND = "unlock_sound";
1695
1696        /**
1697         * Settings to backup. This is here so that it's in the same place as the settings
1698         * keys and easy to update.
1699         * @hide
1700         */
1701        public static final String[] SETTINGS_TO_BACKUP = {
1702            STAY_ON_WHILE_PLUGGED_IN,
1703            WIFI_SLEEP_POLICY,
1704            WIFI_USE_STATIC_IP,
1705            WIFI_STATIC_IP,
1706            WIFI_STATIC_GATEWAY,
1707            WIFI_STATIC_NETMASK,
1708            WIFI_STATIC_DNS1,
1709            WIFI_STATIC_DNS2,
1710            BLUETOOTH_DISCOVERABILITY,
1711            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1712            DIM_SCREEN,
1713            SCREEN_OFF_TIMEOUT,
1714            SCREEN_BRIGHTNESS,
1715            SCREEN_BRIGHTNESS_MODE,
1716            VIBRATE_ON,
1717            NOTIFICATIONS_USE_RING_VOLUME,
1718            MODE_RINGER,
1719            MODE_RINGER_STREAMS_AFFECTED,
1720            MUTE_STREAMS_AFFECTED,
1721            VOLUME_VOICE,
1722            VOLUME_SYSTEM,
1723            VOLUME_RING,
1724            VOLUME_MUSIC,
1725            VOLUME_ALARM,
1726            VOLUME_NOTIFICATION,
1727            VOLUME_BLUETOOTH_SCO,
1728            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1729            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1730            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1731            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1732            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1733            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1734            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1735            VIBRATE_IN_SILENT,
1736            TEXT_AUTO_REPLACE,
1737            TEXT_AUTO_CAPS,
1738            TEXT_AUTO_PUNCTUATE,
1739            TEXT_SHOW_PASSWORD,
1740            AUTO_TIME,
1741            TIME_12_24,
1742            DATE_FORMAT,
1743            ACCELEROMETER_ROTATION,
1744            DTMF_TONE_WHEN_DIALING,
1745            DTMF_TONE_TYPE_WHEN_DIALING,
1746            EMERGENCY_TONE,
1747            CALL_AUTO_RETRY,
1748            HEARING_AID,
1749            TTY_MODE,
1750            SOUND_EFFECTS_ENABLED,
1751            HAPTIC_FEEDBACK_ENABLED,
1752            POWER_SOUNDS_ENABLED,
1753            DOCK_SOUNDS_ENABLED,
1754            LOCKSCREEN_SOUNDS_ENABLED,
1755            SHOW_WEB_SUGGESTIONS,
1756            NOTIFICATION_LIGHT_PULSE
1757        };
1758
1759        // Settings moved to Settings.Secure
1760
1761        /**
1762         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1763         * instead
1764         */
1765        @Deprecated
1766        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1767
1768        /**
1769         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1770         */
1771        @Deprecated
1772        public static final String ANDROID_ID = Secure.ANDROID_ID;
1773
1774        /**
1775         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1776         */
1777        @Deprecated
1778        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1779
1780        /**
1781         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1782         */
1783        @Deprecated
1784        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1785
1786        /**
1787         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1788         */
1789        @Deprecated
1790        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1791
1792        /**
1793         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1794         */
1795        @Deprecated
1796        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1797
1798        /**
1799         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1800         */
1801        @Deprecated
1802        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1803
1804        /**
1805         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1806         * instead
1807         */
1808        @Deprecated
1809        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1810
1811        /**
1812         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1813         */
1814        @Deprecated
1815        public static final String LOGGING_ID = Secure.LOGGING_ID;
1816
1817        /**
1818         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1819         */
1820        @Deprecated
1821        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1822
1823        /**
1824         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1825         * instead
1826         */
1827        @Deprecated
1828        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1829
1830        /**
1831         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1832         * instead
1833         */
1834        @Deprecated
1835        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1836
1837        /**
1838         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1839         * instead
1840         */
1841        @Deprecated
1842        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1843            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1844
1845        /**
1846         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1847         */
1848        @Deprecated
1849        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1850
1851        /**
1852         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1853         */
1854        @Deprecated
1855        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1856
1857        /**
1858         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1859         */
1860        @Deprecated
1861        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1862
1863       /**
1864         * @deprecated Use
1865         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1866         */
1867        @Deprecated
1868        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1869
1870        /**
1871         * @deprecated Use
1872         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1873         */
1874        @Deprecated
1875        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1876                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1877
1878        /**
1879         * @deprecated Use
1880         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1881         */
1882        @Deprecated
1883        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1884            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1885
1886        /**
1887         * @deprecated Use
1888         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1889         */
1890        @Deprecated
1891        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1892            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1893
1894        /**
1895         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1896         * instead
1897         */
1898        @Deprecated
1899        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1900
1901        /**
1902         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1903         */
1904        @Deprecated
1905        public static final String WIFI_ON = Secure.WIFI_ON;
1906
1907        /**
1908         * @deprecated Use
1909         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1910         * instead
1911         */
1912        @Deprecated
1913        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1914                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1915
1916        /**
1917         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1918         */
1919        @Deprecated
1920        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1921
1922        /**
1923         * @deprecated Use
1924         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1925         */
1926        @Deprecated
1927        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1928                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1929
1930        /**
1931         * @deprecated Use
1932         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1933         */
1934        @Deprecated
1935        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1936                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1937
1938        /**
1939         * @deprecated Use
1940         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1941         * instead
1942         */
1943        @Deprecated
1944        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1945                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1946
1947        /**
1948         * @deprecated Use
1949         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1950         */
1951        @Deprecated
1952        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1953            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1954
1955        /**
1956         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1957         * instead
1958         */
1959        @Deprecated
1960        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
1961
1962        /**
1963         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
1964         */
1965        @Deprecated
1966        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
1967
1968        /**
1969         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
1970         */
1971        @Deprecated
1972        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
1973
1974        /**
1975         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
1976         * instead
1977         */
1978        @Deprecated
1979        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
1980
1981        /**
1982         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
1983         * instead
1984         */
1985        @Deprecated
1986        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
1987            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
1988    }
1989
1990    /**
1991     * Secure system settings, containing system preferences that applications
1992     * can read but are not allowed to write.  These are for preferences that
1993     * the user must explicitly modify through the system UI or specialized
1994     * APIs for those values, not modified directly by applications.
1995     */
1996    public static final class Secure extends NameValueTable {
1997        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
1998
1999        // Populated lazily, guarded by class object:
2000        private static NameValueCache sNameValueCache = null;
2001
2002        /**
2003         * Look up a name in the database.
2004         * @param resolver to access the database with
2005         * @param name to look up in the table
2006         * @return the corresponding value, or null if not present
2007         */
2008        public synchronized static String getString(ContentResolver resolver, String name) {
2009            if (sNameValueCache == null) {
2010                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2011                                                     CALL_METHOD_GET_SECURE);
2012            }
2013            return sNameValueCache.getString(resolver, name);
2014        }
2015
2016        /**
2017         * Store a name/value pair into the database.
2018         * @param resolver to access the database with
2019         * @param name to store
2020         * @param value to associate with the name
2021         * @return true if the value was set, false on database errors
2022         */
2023        public static boolean putString(ContentResolver resolver,
2024                String name, String value) {
2025            return putString(resolver, CONTENT_URI, name, value);
2026        }
2027
2028        /**
2029         * Construct the content URI for a particular name/value pair,
2030         * useful for monitoring changes with a ContentObserver.
2031         * @param name to look up in the table
2032         * @return the corresponding content URI, or null if not present
2033         */
2034        public static Uri getUriFor(String name) {
2035            return getUriFor(CONTENT_URI, name);
2036        }
2037
2038        /**
2039         * Convenience function for retrieving a single secure settings value
2040         * as an integer.  Note that internally setting values are always
2041         * stored as strings; this function converts the string to an integer
2042         * for you.  The default value will be returned if the setting is
2043         * not defined or not an integer.
2044         *
2045         * @param cr The ContentResolver to access.
2046         * @param name The name of the setting to retrieve.
2047         * @param def Value to return if the setting is not defined.
2048         *
2049         * @return The setting's current value, or 'def' if it is not defined
2050         * or not a valid integer.
2051         */
2052        public static int getInt(ContentResolver cr, String name, int def) {
2053            String v = getString(cr, name);
2054            try {
2055                return v != null ? Integer.parseInt(v) : def;
2056            } catch (NumberFormatException e) {
2057                return def;
2058            }
2059        }
2060
2061        /**
2062         * Convenience function for retrieving a single secure settings value
2063         * as an integer.  Note that internally setting values are always
2064         * stored as strings; this function converts the string to an integer
2065         * for you.
2066         * <p>
2067         * This version does not take a default value.  If the setting has not
2068         * been set, or the string value is not a number,
2069         * it throws {@link SettingNotFoundException}.
2070         *
2071         * @param cr The ContentResolver to access.
2072         * @param name The name of the setting to retrieve.
2073         *
2074         * @throws SettingNotFoundException Thrown if a setting by the given
2075         * name can't be found or the setting value is not an integer.
2076         *
2077         * @return The setting's current value.
2078         */
2079        public static int getInt(ContentResolver cr, String name)
2080                throws SettingNotFoundException {
2081            String v = getString(cr, name);
2082            try {
2083                return Integer.parseInt(v);
2084            } catch (NumberFormatException e) {
2085                throw new SettingNotFoundException(name);
2086            }
2087        }
2088
2089        /**
2090         * Convenience function for updating a single settings value as an
2091         * integer. This will either create a new entry in the table if the
2092         * given name does not exist, or modify the value of the existing row
2093         * with that name.  Note that internally setting values are always
2094         * stored as strings, so this function converts the given value to a
2095         * string before storing it.
2096         *
2097         * @param cr The ContentResolver to access.
2098         * @param name The name of the setting to modify.
2099         * @param value The new value for the setting.
2100         * @return true if the value was set, false on database errors
2101         */
2102        public static boolean putInt(ContentResolver cr, String name, int value) {
2103            return putString(cr, name, Integer.toString(value));
2104        }
2105
2106        /**
2107         * Convenience function for retrieving a single secure settings value
2108         * as a {@code long}.  Note that internally setting values are always
2109         * stored as strings; this function converts the string to a {@code long}
2110         * for you.  The default value will be returned if the setting is
2111         * not defined or not a {@code long}.
2112         *
2113         * @param cr The ContentResolver to access.
2114         * @param name The name of the setting to retrieve.
2115         * @param def Value to return if the setting is not defined.
2116         *
2117         * @return The setting's current value, or 'def' if it is not defined
2118         * or not a valid {@code long}.
2119         */
2120        public static long getLong(ContentResolver cr, String name, long def) {
2121            String valString = getString(cr, name);
2122            long value;
2123            try {
2124                value = valString != null ? Long.parseLong(valString) : def;
2125            } catch (NumberFormatException e) {
2126                value = def;
2127            }
2128            return value;
2129        }
2130
2131        /**
2132         * Convenience function for retrieving a single secure settings value
2133         * as a {@code long}.  Note that internally setting values are always
2134         * stored as strings; this function converts the string to a {@code long}
2135         * for you.
2136         * <p>
2137         * This version does not take a default value.  If the setting has not
2138         * been set, or the string value is not a number,
2139         * it throws {@link SettingNotFoundException}.
2140         *
2141         * @param cr The ContentResolver to access.
2142         * @param name The name of the setting to retrieve.
2143         *
2144         * @return The setting's current value.
2145         * @throws SettingNotFoundException Thrown if a setting by the given
2146         * name can't be found or the setting value is not an integer.
2147         */
2148        public static long getLong(ContentResolver cr, String name)
2149                throws SettingNotFoundException {
2150            String valString = getString(cr, name);
2151            try {
2152                return Long.parseLong(valString);
2153            } catch (NumberFormatException e) {
2154                throw new SettingNotFoundException(name);
2155            }
2156        }
2157
2158        /**
2159         * Convenience function for updating a secure settings value as a long
2160         * integer. This will either create a new entry in the table if the
2161         * given name does not exist, or modify the value of the existing row
2162         * with that name.  Note that internally setting values are always
2163         * stored as strings, so this function converts the given value to a
2164         * string before storing it.
2165         *
2166         * @param cr The ContentResolver to access.
2167         * @param name The name of the setting to modify.
2168         * @param value The new value for the setting.
2169         * @return true if the value was set, false on database errors
2170         */
2171        public static boolean putLong(ContentResolver cr, String name, long value) {
2172            return putString(cr, name, Long.toString(value));
2173        }
2174
2175        /**
2176         * Convenience function for retrieving a single secure settings value
2177         * as a floating point number.  Note that internally setting values are
2178         * always stored as strings; this function converts the string to an
2179         * float for you. The default value will be returned if the setting
2180         * is not defined or not a valid float.
2181         *
2182         * @param cr The ContentResolver to access.
2183         * @param name The name of the setting to retrieve.
2184         * @param def Value to return if the setting is not defined.
2185         *
2186         * @return The setting's current value, or 'def' if it is not defined
2187         * or not a valid float.
2188         */
2189        public static float getFloat(ContentResolver cr, String name, float def) {
2190            String v = getString(cr, name);
2191            try {
2192                return v != null ? Float.parseFloat(v) : def;
2193            } catch (NumberFormatException e) {
2194                return def;
2195            }
2196        }
2197
2198        /**
2199         * Convenience function for retrieving a single secure settings value
2200         * as a float.  Note that internally setting values are always
2201         * stored as strings; this function converts the string to a float
2202         * for you.
2203         * <p>
2204         * This version does not take a default value.  If the setting has not
2205         * been set, or the string value is not a number,
2206         * it throws {@link SettingNotFoundException}.
2207         *
2208         * @param cr The ContentResolver to access.
2209         * @param name The name of the setting to retrieve.
2210         *
2211         * @throws SettingNotFoundException Thrown if a setting by the given
2212         * name can't be found or the setting value is not a float.
2213         *
2214         * @return The setting's current value.
2215         */
2216        public static float getFloat(ContentResolver cr, String name)
2217                throws SettingNotFoundException {
2218            String v = getString(cr, name);
2219            try {
2220                return Float.parseFloat(v);
2221            } catch (NumberFormatException e) {
2222                throw new SettingNotFoundException(name);
2223            }
2224        }
2225
2226        /**
2227         * Convenience function for updating a single settings value as a
2228         * floating point number. This will either create a new entry in the
2229         * table if the given name does not exist, or modify the value of the
2230         * existing row with that name.  Note that internally setting values
2231         * are always stored as strings, so this function converts the given
2232         * value to a string before storing it.
2233         *
2234         * @param cr The ContentResolver to access.
2235         * @param name The name of the setting to modify.
2236         * @param value The new value for the setting.
2237         * @return true if the value was set, false on database errors
2238         */
2239        public static boolean putFloat(ContentResolver cr, String name, float value) {
2240            return putString(cr, name, Float.toString(value));
2241        }
2242
2243        /**
2244         * The content:// style URL for this table
2245         */
2246        public static final Uri CONTENT_URI =
2247            Uri.parse("content://" + AUTHORITY + "/secure");
2248
2249        /**
2250         * Whether ADB is enabled.
2251         */
2252        public static final String ADB_ENABLED = "adb_enabled";
2253
2254        /**
2255         * Setting to allow mock locations and location provider status to be injected into the
2256         * LocationManager service for testing purposes during application development.  These
2257         * locations and status values  override actual location and status information generated
2258         * by network, gps, or other location providers.
2259         */
2260        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2261
2262        /**
2263         * A 64-bit number (as a hex string) that is randomly
2264         * generated on the device's first boot and should remain
2265         * constant for the lifetime of the device.  (The value may
2266         * change if a factory reset is performed on the device.)
2267         */
2268        public static final String ANDROID_ID = "android_id";
2269
2270        /**
2271         * Whether bluetooth is enabled/disabled
2272         * 0=disabled. 1=enabled.
2273         */
2274        public static final String BLUETOOTH_ON = "bluetooth_on";
2275
2276        /**
2277         * Get the key that retrieves a bluetooth headset's priority.
2278         * @hide
2279         */
2280        public static final String getBluetoothHeadsetPriorityKey(String address) {
2281            return ("bluetooth_headset_priority_" + address.toUpperCase());
2282        }
2283
2284        /**
2285         * Get the key that retrieves a bluetooth a2dp sink's priority.
2286         * @hide
2287         */
2288        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2289            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2290        }
2291
2292        /**
2293         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2294         */
2295        public static final String DATA_ROAMING = "data_roaming";
2296
2297        /**
2298         * Setting to record the input method used by default, holding the ID
2299         * of the desired method.
2300         */
2301        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2302
2303        /**
2304         * Whether the device has been provisioned (0 = false, 1 = true)
2305         */
2306        public static final String DEVICE_PROVISIONED = "device_provisioned";
2307
2308        /**
2309         * List of input methods that are currently enabled.  This is a string
2310         * containing the IDs of all enabled input methods, each ID separated
2311         * by ':'.
2312         */
2313        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2314
2315        /**
2316         * List of system input methods that are currently disabled.  This is a string
2317         * containing the IDs of all disabled input methods, each ID separated
2318         * by ':'.
2319         * @hide
2320         */
2321        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2322
2323        /**
2324         * Host name and port for a user-selected proxy.
2325         */
2326        public static final String HTTP_PROXY = "http_proxy";
2327
2328        /**
2329         * Whether the package installer should allow installation of apps downloaded from
2330         * sources other than the Android Market (vending machine).
2331         *
2332         * 1 = allow installing from other sources
2333         * 0 = only allow installing from the Android Market
2334         */
2335        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2336
2337        /**
2338         * Comma-separated list of location providers that activities may access.
2339         */
2340        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2341
2342        /**
2343         * Whether autolock is enabled (0 = false, 1 = true)
2344         */
2345        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2346
2347        /**
2348         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2349         */
2350        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2351
2352        /**
2353         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2354         */
2355        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2356            "lock_pattern_tactile_feedback_enabled";
2357
2358        /**
2359         * Whether assisted GPS should be enabled or not.
2360         * @hide
2361         */
2362        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2363
2364        /**
2365         * The Logging ID (a unique 64-bit value) as a hex string.
2366         * Used as a pseudonymous identifier for logging.
2367         * @deprecated This identifier is poorly initialized and has
2368         * many collisions.  It should not be used.
2369         */
2370        @Deprecated
2371        public static final String LOGGING_ID = "logging_id";
2372
2373        /**
2374         * User preference for which network(s) should be used. Only the
2375         * connectivity service should touch this.
2376         */
2377        public static final String NETWORK_PREFERENCE = "network_preference";
2378
2379        /**
2380         * Used to disable Tethering on a device - defaults to true
2381         * @hide
2382         */
2383        public static final String TETHER_SUPPORTED = "tether_supported";
2384
2385        /**
2386         * Used to require DUN APN on the device or not - defaults to a build config value
2387         * which defaults to false
2388         * @hide
2389         */
2390        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2391
2392        /**
2393         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2394         * corresponding build config values are set it will override the APN DB
2395         * values.
2396         * Consists of a comma seperated list of strings:
2397         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2398         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2399         * @hide
2400         */
2401        public static final String TETHER_DUN_APN = "tether_dun_apn";
2402
2403        /**
2404         * No longer supported.
2405         */
2406        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2407
2408        /**
2409         * No longer supported.
2410         */
2411        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2412
2413        /**
2414         * No longer supported.
2415         */
2416        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2417
2418        /**
2419         * Settings classname to launch when Settings is clicked from All
2420         * Applications.  Needed because of user testing between the old
2421         * and new Settings apps.
2422         */
2423        // TODO: 881807
2424        public static final String SETTINGS_CLASSNAME = "settings_classname";
2425
2426        /**
2427         * USB Mass Storage Enabled
2428         */
2429        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2430
2431        /**
2432         * If this setting is set (to anything), then all references
2433         * to Gmail on the device must change to Google Mail.
2434         */
2435        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2436
2437        /**
2438         * If accessibility is enabled.
2439         */
2440        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2441
2442        /**
2443         * List of the enabled accessibility providers.
2444         */
2445        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2446            "enabled_accessibility_services";
2447
2448        /**
2449         * Setting to always use the default text-to-speech settings regardless
2450         * of the application settings.
2451         * 1 = override application settings,
2452         * 0 = use application settings (if specified).
2453         */
2454        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2455
2456        /**
2457         * Default text-to-speech engine speech rate. 100 = 1x
2458         */
2459        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2460
2461        /**
2462         * Default text-to-speech engine pitch. 100 = 1x
2463         */
2464        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2465
2466        /**
2467         * Default text-to-speech engine.
2468         */
2469        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2470
2471        /**
2472         * Default text-to-speech language.
2473         */
2474        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2475
2476        /**
2477         * Default text-to-speech country.
2478         */
2479        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2480
2481        /**
2482         * Default text-to-speech locale variant.
2483         */
2484        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2485
2486        /**
2487         * Space delimited list of plugin packages that are enabled.
2488         */
2489        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2490
2491        /**
2492         * Whether to notify the user of open networks.
2493         * <p>
2494         * If not connected and the scan results have an open network, we will
2495         * put this notification up. If we attempt to connect to a network or
2496         * the open network(s) disappear, we remove the notification. When we
2497         * show the notification, we will not show it again for
2498         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2499         */
2500        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2501                "wifi_networks_available_notification_on";
2502
2503        /**
2504         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2505         * Connecting to a network will reset the timer.
2506         */
2507        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2508                "wifi_networks_available_repeat_delay";
2509
2510        /**
2511         * The number of radio channels that are allowed in the local
2512         * 802.11 regulatory domain.
2513         * @hide
2514         */
2515        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2516
2517        /**
2518         * When the number of open networks exceeds this number, the
2519         * least-recently-used excess networks will be removed.
2520         */
2521        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2522
2523        /**
2524         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2525         */
2526        public static final String WIFI_ON = "wifi_on";
2527
2528        /**
2529         * Used to save the Wifi_ON state prior to tethering.
2530         * This state will be checked to restore Wifi after
2531         * the user turns off tethering.
2532         *
2533         * @hide
2534         */
2535        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2536
2537        /**
2538         * AP SSID
2539         *
2540         * @hide
2541         */
2542        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2543
2544        /**
2545         * AP security
2546         *
2547         * @hide
2548         */
2549        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2550
2551        /**
2552         * AP passphrase
2553         *
2554         * @hide
2555         */
2556        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2557
2558        /**
2559         * The acceptable packet loss percentage (range 0 - 100) before trying
2560         * another AP on the same network.
2561         */
2562        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2563                "wifi_watchdog_acceptable_packet_loss_percentage";
2564
2565        /**
2566         * The number of access points required for a network in order for the
2567         * watchdog to monitor it.
2568         */
2569        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2570
2571        /**
2572         * The delay between background checks.
2573         */
2574        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2575                "wifi_watchdog_background_check_delay_ms";
2576
2577        /**
2578         * Whether the Wi-Fi watchdog is enabled for background checking even
2579         * after it thinks the user has connected to a good access point.
2580         */
2581        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2582                "wifi_watchdog_background_check_enabled";
2583
2584        /**
2585         * The timeout for a background ping
2586         */
2587        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2588                "wifi_watchdog_background_check_timeout_ms";
2589
2590        /**
2591         * The number of initial pings to perform that *may* be ignored if they
2592         * fail. Again, if these fail, they will *not* be used in packet loss
2593         * calculation. For example, one network always seemed to time out for
2594         * the first couple pings, so this is set to 3 by default.
2595         */
2596        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2597            "wifi_watchdog_initial_ignored_ping_count";
2598
2599        /**
2600         * The maximum number of access points (per network) to attempt to test.
2601         * If this number is reached, the watchdog will no longer monitor the
2602         * initial connection state for the network. This is a safeguard for
2603         * networks containing multiple APs whose DNS does not respond to pings.
2604         */
2605        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2606
2607        /**
2608         * Whether the Wi-Fi watchdog is enabled.
2609         */
2610        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2611
2612        /**
2613         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2614         */
2615        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2616
2617        /**
2618         * The number of pings to test if an access point is a good connection.
2619         */
2620        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2621
2622        /**
2623         * The delay between pings.
2624         */
2625        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2626
2627        /**
2628         * The timeout per ping.
2629         */
2630        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2631
2632        /**
2633         * The maximum number of times we will retry a connection to an access
2634         * point for which we have failed in acquiring an IP address from DHCP.
2635         * A value of N means that we will make N+1 connection attempts in all.
2636         */
2637        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2638
2639        /**
2640         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2641         * data connectivity to be established after a disconnect from Wi-Fi.
2642         */
2643        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2644            "wifi_mobile_data_transition_wakelock_timeout_ms";
2645
2646        /**
2647         * Whether background data usage is allowed by the user. See
2648         * ConnectivityManager for more info.
2649         */
2650        public static final String BACKGROUND_DATA = "background_data";
2651
2652        /**
2653         * Origins for which browsers should allow geolocation by default.
2654         * The value is a space-separated list of origins.
2655         */
2656        public static final String ALLOWED_GEOLOCATION_ORIGINS
2657                = "allowed_geolocation_origins";
2658
2659        /**
2660         * Whether mobile data connections are allowed by the user.  See
2661         * ConnectivityManager for more info.
2662         * @hide
2663         */
2664        public static final String MOBILE_DATA = "mobile_data";
2665
2666        /**
2667         * The CDMA roaming mode 0 = Home Networks, CDMA default
2668         *                       1 = Roaming on Affiliated networks
2669         *                       2 = Roaming on any networks
2670         * @hide
2671         */
2672        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2673
2674        /**
2675         * The CDMA subscription mode 0 = RUIM/SIM (default)
2676         *                                1 = NV
2677         * @hide
2678         */
2679        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2680
2681        /**
2682         * The preferred network mode   7 = Global
2683         *                              6 = EvDo only
2684         *                              5 = CDMA w/o EvDo
2685         *                              4 = CDMA / EvDo auto
2686         *                              3 = GSM / WCDMA auto
2687         *                              2 = WCDMA only
2688         *                              1 = GSM only
2689         *                              0 = GSM / WCDMA preferred
2690         * @hide
2691         */
2692        public static final String PREFERRED_NETWORK_MODE =
2693                "preferred_network_mode";
2694
2695        /**
2696         * The preferred TTY mode     0 = TTy Off, CDMA default
2697         *                            1 = TTY Full
2698         *                            2 = TTY HCO
2699         *                            3 = TTY VCO
2700         * @hide
2701         */
2702        public static final String PREFERRED_TTY_MODE =
2703                "preferred_tty_mode";
2704
2705
2706        /**
2707         * CDMA Cell Broadcast SMS
2708         *                            0 = CDMA Cell Broadcast SMS disabled
2709         *                            1 = CDMA Cell Broadcast SMS enabled
2710         * @hide
2711         */
2712        public static final String CDMA_CELL_BROADCAST_SMS =
2713                "cdma_cell_broadcast_sms";
2714
2715        /**
2716         * The cdma subscription 0 = Subscription from RUIM, when available
2717         *                       1 = Subscription from NV
2718         * @hide
2719         */
2720        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2721                "preferred_cdma_subscription";
2722
2723        /**
2724         * Whether the enhanced voice privacy mode is enabled.
2725         * 0 = normal voice privacy
2726         * 1 = enhanced voice privacy
2727         * @hide
2728         */
2729        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2730
2731        /**
2732         * Whether the TTY mode mode is enabled.
2733         * 0 = disabled
2734         * 1 = enabled
2735         * @hide
2736         */
2737        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2738
2739        /**
2740         * Controls whether settings backup is enabled.
2741         * Type: int ( 0 = disabled, 1 = enabled )
2742         * @hide
2743         */
2744        public static final String BACKUP_ENABLED = "backup_enabled";
2745
2746        /**
2747         * Controls whether application data is automatically restored from backup
2748         * at install time.
2749         * Type: int ( 0 = disabled, 1 = enabled )
2750         * @hide
2751         */
2752        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2753
2754        /**
2755         * Indicates whether settings backup has been fully provisioned.
2756         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2757         * @hide
2758         */
2759        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2760
2761        /**
2762         * Component of the transport to use for backup/restore.
2763         * @hide
2764         */
2765        public static final String BACKUP_TRANSPORT = "backup_transport";
2766
2767        /**
2768         * Version for which the setup wizard was last shown.  Bumped for
2769         * each release when there is new setup information to show.
2770         * @hide
2771         */
2772        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2773
2774        /**
2775         * How frequently (in seconds) to check the memory status of the
2776         * device.
2777         * @hide
2778         */
2779        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2780
2781        /**
2782         * Max frequency (in seconds) to log memory check stats, in realtime
2783         * seconds.  This allows for throttling of logs when the device is
2784         * running for large amounts of time.
2785         * @hide
2786         */
2787        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2788                "memcheck_log_realtime_interval";
2789
2790        /**
2791         * Boolean indicating whether rebooting due to system memory checks
2792         * is enabled.
2793         * @hide
2794         */
2795        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2796
2797        /**
2798         * How many bytes the system process must be below to avoid scheduling
2799         * a soft reboot.  This reboot will happen when it is next determined
2800         * to be a good time.
2801         * @hide
2802         */
2803        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2804
2805        /**
2806         * How many bytes the system process must be below to avoid scheduling
2807         * a hard reboot.  This reboot will happen immediately.
2808         * @hide
2809         */
2810        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2811
2812        /**
2813         * How many bytes the phone process must be below to avoid scheduling
2814         * a soft restart.  This restart will happen when it is next determined
2815         * to be a good time.
2816         * @hide
2817         */
2818        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2819
2820        /**
2821         * How many bytes the phone process must be below to avoid scheduling
2822         * a hard restart.  This restart will happen immediately.
2823         * @hide
2824         */
2825        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2826
2827        /**
2828         * Boolean indicating whether restarting the phone process due to
2829         * memory checks is enabled.
2830         * @hide
2831         */
2832        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2833
2834        /**
2835         * First time during the day it is okay to kill processes
2836         * or reboot the device due to low memory situations.  This number is
2837         * in seconds since midnight.
2838         * @hide
2839         */
2840        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2841
2842        /**
2843         * Last time during the day it is okay to kill processes
2844         * or reboot the device due to low memory situations.  This number is
2845         * in seconds since midnight.
2846         * @hide
2847         */
2848        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2849
2850        /**
2851         * How long the screen must have been off in order to kill processes
2852         * or reboot.  This number is in seconds.  A value of -1 means to
2853         * entirely disregard whether the screen is on.
2854         * @hide
2855         */
2856        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2857
2858        /**
2859         * How much time there must be until the next alarm in order to kill processes
2860         * or reboot.  This number is in seconds.  Note: this value must be
2861         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2862         * always see an alarm scheduled within its time.
2863         * @hide
2864         */
2865        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2866
2867        /**
2868         * How frequently to check whether it is a good time to restart things,
2869         * if the device is in a bad state.  This number is in seconds.  Note:
2870         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2871         * the alarm to schedule the recheck will always appear within the
2872         * minimum "do not execute now" time.
2873         * @hide
2874         */
2875        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2876
2877        /**
2878         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2879         * will occur.
2880         * @hide
2881         */
2882        public static final String REBOOT_INTERVAL = "reboot_interval";
2883
2884        /**
2885         * First time during the day it is okay to force a reboot of the
2886         * device (if REBOOT_INTERVAL is set).  This number is
2887         * in seconds since midnight.
2888         * @hide
2889         */
2890        public static final String REBOOT_START_TIME = "reboot_start_time";
2891
2892        /**
2893         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2894         * a reboot can be executed.  If 0, a reboot will always be executed at
2895         * exactly the given time.  Otherwise, it will only be executed if
2896         * the device is idle within the window.
2897         * @hide
2898         */
2899        public static final String REBOOT_WINDOW = "reboot_window";
2900
2901        /**
2902         * Threshold values for the duration and level of a discharge cycle, under
2903         * which we log discharge cycle info.
2904         * @hide
2905         */
2906        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
2907                "battery_discharge_duration_threshold";
2908        /** @hide */
2909        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
2910
2911        /**
2912         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
2913         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
2914         * will never display the "Report" button.
2915         * Type: int ( 0 = disallow, 1 = allow )
2916         * @hide
2917         */
2918        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
2919
2920        /**
2921         * Nonzero causes Log.wtf() to crash.
2922         * @hide
2923         */
2924        public static final String WTF_IS_FATAL = "wtf_is_fatal";
2925
2926        /**
2927         * Maximum age of entries kept by {@link android.os.IDropBox}.
2928         * @hide
2929         */
2930        public static final String DROPBOX_AGE_SECONDS =
2931                "dropbox_age_seconds";
2932        /**
2933         * Maximum number of entry files which {@link android.os.IDropBox} will keep around.
2934         * @hide
2935         */
2936        public static final String DROPBOX_MAX_FILES =
2937                "dropbox_max_files";
2938        /**
2939         * Maximum amount of disk space used by {@link android.os.IDropBox} no matter what.
2940         * @hide
2941         */
2942        public static final String DROPBOX_QUOTA_KB =
2943                "dropbox_quota_kb";
2944        /**
2945         * Percent of free disk (excluding reserve) which {@link android.os.IDropBox} will use.
2946         * @hide
2947         */
2948        public static final String DROPBOX_QUOTA_PERCENT =
2949                "dropbox_quota_percent";
2950        /**
2951         * Percent of total disk which {@link android.os.IDropBox} will never dip into.
2952         * @hide
2953         */
2954        public static final String DROPBOX_RESERVE_PERCENT =
2955                "dropbox_reserve_percent";
2956        /**
2957         * Prefix for per-tag dropbox disable/enable settings.
2958         * @hide
2959         */
2960        public static final String DROPBOX_TAG_PREFIX =
2961                "dropbox:";
2962        /**
2963         * Lines of logcat to include with system crash/ANR/etc. reports,
2964         * as a prefix of the dropbox tag of the report type.
2965         * For example, "logcat_for_system_server_anr" controls the lines
2966         * of logcat captured with system server ANR reports.  0 to disable.
2967         * @hide
2968         */
2969        public static final String ERROR_LOGCAT_PREFIX =
2970                "logcat_for_";
2971
2972
2973        /**
2974         * Screen timeout in milliseconds corresponding to the
2975         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
2976         * possible screen timeout behavior.)
2977         * @hide
2978         */
2979        public static final String SHORT_KEYLIGHT_DELAY_MS =
2980                "short_keylight_delay_ms";
2981
2982        /**
2983         * The interval in minutes after which the amount of free storage left on the
2984         * device is logged to the event log
2985         * @hide
2986         */
2987        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
2988                "sys_free_storage_log_interval";
2989
2990        /**
2991         * Threshold for the amount of change in disk free space required to report the amount of
2992         * free space. Used to prevent spamming the logs when the disk free space isn't changing
2993         * frequently.
2994         * @hide
2995         */
2996        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
2997                "disk_free_change_reporting_threshold";
2998
2999
3000        /**
3001         * Minimum percentage of free storage on the device that is used to determine if
3002         * the device is running low on storage.
3003         * Say this value is set to 10, the device is considered running low on storage
3004         * if 90% or more of the device storage is filled up.
3005         * @hide
3006         */
3007        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3008                "sys_storage_threshold_percentage";
3009
3010        /**
3011         * The interval in milliseconds after which Wi-Fi is considered idle.
3012         * When idle, it is possible for the device to be switched from Wi-Fi to
3013         * the mobile data network.
3014         * @hide
3015         */
3016        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3017
3018        /**
3019         * The interval in milliseconds at which to check packet counts on the
3020         * mobile data interface when screen is on, to detect possible data
3021         * connection problems.
3022         * @hide
3023         */
3024        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3025                "pdp_watchdog_poll_interval_ms";
3026
3027        /**
3028         * The interval in milliseconds at which to check packet counts on the
3029         * mobile data interface when screen is off, to detect possible data
3030         * connection problems.
3031         * @hide
3032         */
3033        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3034                "pdp_watchdog_long_poll_interval_ms";
3035
3036        /**
3037         * The interval in milliseconds at which to check packet counts on the
3038         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3039         * outgoing packets has been reached without incoming packets.
3040         * @hide
3041         */
3042        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3043                "pdp_watchdog_error_poll_interval_ms";
3044
3045        /**
3046         * The number of outgoing packets sent without seeing an incoming packet
3047         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3048         * device is logged to the event log
3049         * @hide
3050         */
3051        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3052                "pdp_watchdog_trigger_packet_count";
3053
3054        /**
3055         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3056         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3057         * attempting data connection recovery.
3058         * @hide
3059         */
3060        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3061                "pdp_watchdog_error_poll_count";
3062
3063        /**
3064         * The number of failed PDP reset attempts before moving to something more
3065         * drastic: re-registering to the network.
3066         * @hide
3067         */
3068        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3069                "pdp_watchdog_max_pdp_reset_fail_count";
3070
3071        /**
3072         * Address to ping as a last sanity check before attempting any recovery.
3073         * Unset or set to "0.0.0.0" to skip this check.
3074         * @hide
3075         */
3076        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3077
3078        /**
3079         * The "-w deadline" parameter for the ping, ie, the max time in
3080         * seconds to spend pinging.
3081         * @hide
3082         */
3083        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3084
3085        /**
3086         * The interval in milliseconds at which to check gprs registration
3087         * after the first registration mismatch of gprs and voice service,
3088         * to detect possible data network registration problems.
3089         *
3090         * @hide
3091         */
3092        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3093                "gprs_register_check_period_ms";
3094
3095        /**
3096         * The length of time in milli-seconds that automatic small adjustments to
3097         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3098         * @hide
3099         */
3100        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3101
3102        /**
3103         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3104         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3105         * exceeded.
3106         * @hide
3107         */
3108        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3109
3110        /**
3111         * The maximum reconnect delay for short network outages or when the network is suspended
3112         * due to phone use.
3113         * @hide
3114         */
3115        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3116                "sync_max_retry_delay_in_seconds";
3117
3118        /**
3119         * The interval in milliseconds at which to check the number of SMS sent
3120         * out without asking for use permit, to limit the un-authorized SMS
3121         * usage.
3122         * @hide
3123         */
3124        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3125                "sms_outgoing_check_interval_ms";
3126
3127        /**
3128         * The number of outgoing SMS sent without asking for user permit
3129         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3130         * @hide
3131         */
3132        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3133                "sms_outgoing_check_max_count";
3134
3135        /**
3136         * The number of promoted sources in GlobalSearch.
3137         * @hide
3138         */
3139        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3140        /**
3141         * The maximum number of suggestions returned by GlobalSearch.
3142         * @hide
3143         */
3144        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3145        /**
3146         * The number of suggestions GlobalSearch will ask each non-web search source for.
3147         * @hide
3148         */
3149        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3150        /**
3151         * The number of suggestions the GlobalSearch will ask the web search source for.
3152         * @hide
3153         */
3154        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3155                "search_web_results_override_limit";
3156        /**
3157         * The number of milliseconds that GlobalSearch will wait for suggestions from
3158         * promoted sources before continuing with all other sources.
3159         * @hide
3160         */
3161        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3162                "search_promoted_source_deadline_millis";
3163        /**
3164         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3165         * @hide
3166         */
3167        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3168        /**
3169         * The maximum number of milliseconds that GlobalSearch shows the previous results
3170         * after receiving a new query.
3171         * @hide
3172         */
3173        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3174        /**
3175         * The maximum age of log data used for shortcuts in GlobalSearch.
3176         * @hide
3177         */
3178        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3179        /**
3180         * The maximum age of log data used for source ranking in GlobalSearch.
3181         * @hide
3182         */
3183        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3184                "search_max_source_event_age_millis";
3185        /**
3186         * The minimum number of impressions needed to rank a source in GlobalSearch.
3187         * @hide
3188         */
3189        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3190                "search_min_impressions_for_source_ranking";
3191        /**
3192         * The minimum number of clicks needed to rank a source in GlobalSearch.
3193         * @hide
3194         */
3195        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3196                "search_min_clicks_for_source_ranking";
3197        /**
3198         * The maximum number of shortcuts shown by GlobalSearch.
3199         * @hide
3200         */
3201        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3202        /**
3203         * The size of the core thread pool for suggestion queries in GlobalSearch.
3204         * @hide
3205         */
3206        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3207                "search_query_thread_core_pool_size";
3208        /**
3209         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3210         * @hide
3211         */
3212        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3213                "search_query_thread_max_pool_size";
3214        /**
3215         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3216         * @hide
3217         */
3218        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3219                "search_shortcut_refresh_core_pool_size";
3220        /**
3221         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3222         * @hide
3223         */
3224        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3225                "search_shortcut_refresh_max_pool_size";
3226        /**
3227         * The maximun time that excess threads in the GlobalSeach thread pools will
3228         * wait before terminating.
3229         * @hide
3230         */
3231        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3232                "search_thread_keepalive_seconds";
3233        /**
3234         * The maximum number of concurrent suggestion queries to each source.
3235         * @hide
3236         */
3237        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3238                "search_per_source_concurrent_query_limit";
3239
3240        /**
3241         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3242         * @hide
3243         */
3244        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3245
3246        /**
3247         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3248         * @hide
3249         */
3250        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3251
3252        /**
3253         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3254         * @hide
3255         */
3256        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3257
3258        /**
3259         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3260         * @hide
3261         */
3262        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3263
3264        /**
3265         * If nonzero, ANRs in invisible background processes bring up a dialog.
3266         * Otherwise, the process will be silently killed.
3267         * @hide
3268         */
3269        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3270
3271        /**
3272         * The {@link ComponentName} string of the service to be used as the voice recognition
3273         * service.
3274         *
3275         * @hide
3276         */
3277        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3278
3279        /**
3280         * What happens when the user presses the Power button while in-call
3281         * and the screen is on.<br/>
3282         * <b>Values:</b><br/>
3283         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3284         * 2 - The Power button hangs up the current call.<br/>
3285         *
3286         * @hide
3287         */
3288        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3289
3290        /**
3291         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3292         * @hide
3293         */
3294        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3295
3296        /**
3297         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3298         * @hide
3299         */
3300        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3301
3302        /**
3303         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3304         * @hide
3305         */
3306        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3307                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3308
3309        /**
3310         * The current night mode that has been selected by the user.  Owned
3311         * and controlled by UiModeManagerService.  Constants are as per
3312         * UiModeManager.
3313         * @hide
3314         */
3315        public static final String UI_NIGHT_MODE = "ui_night_mode";
3316
3317        /**
3318         * Let user pick default install location.
3319         * @hide
3320         */
3321        public static final String SET_INSTALL_LOCATION = "set_install_location";
3322
3323        /**
3324         * Default install location value.
3325         * 0 = auto, let system decide
3326         * 1 = internal
3327         * 2 = sdcard
3328         * @hide
3329         */
3330        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3331
3332        /**
3333         * The bandwidth throttle polling freqency in seconds
3334         * @hide
3335         */
3336        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3337
3338        /**
3339         * The bandwidth throttle threshold (long)
3340         * @hide
3341         */
3342        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3343
3344        /**
3345         * The bandwidth throttle value (kbps)
3346         * @hide
3347         */
3348        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3349
3350        /**
3351         * The bandwidth throttle reset calendar day (1-28)
3352         * @hide
3353         */
3354        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3355
3356        /**
3357         * The throttling notifications we should send
3358         * @hide
3359         */
3360        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3361
3362        /**
3363         * Help URI for data throttling policy
3364         * @hide
3365         */
3366        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3367
3368        /**
3369         * The length of time in Sec that we allow our notion of NTP time
3370         * to be cached before we refresh it
3371         * @hide
3372         */
3373        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3374                "throttle_max_ntp_cache_age_sec";
3375
3376
3377        /**
3378         * @hide
3379         */
3380        public static final String[] SETTINGS_TO_BACKUP = {
3381            ADB_ENABLED,
3382            ALLOW_MOCK_LOCATION,
3383            PARENTAL_CONTROL_ENABLED,
3384            PARENTAL_CONTROL_REDIRECT_URL,
3385            USB_MASS_STORAGE_ENABLED,
3386            ACCESSIBILITY_ENABLED,
3387            BACKUP_AUTO_RESTORE,
3388            ENABLED_ACCESSIBILITY_SERVICES,
3389            TTS_USE_DEFAULTS,
3390            TTS_DEFAULT_RATE,
3391            TTS_DEFAULT_PITCH,
3392            TTS_DEFAULT_SYNTH,
3393            TTS_DEFAULT_LANG,
3394            TTS_DEFAULT_COUNTRY,
3395            TTS_ENABLED_PLUGINS,
3396            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3397            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3398            WIFI_NUM_ALLOWED_CHANNELS,
3399            WIFI_NUM_OPEN_NETWORKS_KEPT,
3400            MOUNT_PLAY_NOTIFICATION_SND,
3401            MOUNT_UMS_AUTOSTART,
3402            MOUNT_UMS_PROMPT,
3403            MOUNT_UMS_NOTIFY_ENABLED,
3404            UI_NIGHT_MODE
3405        };
3406
3407        /**
3408         * Helper method for determining if a location provider is enabled.
3409         * @param cr the content resolver to use
3410         * @param provider the location provider to query
3411         * @return true if the provider is enabled
3412         */
3413        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3414            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3415            if (allowedProviders != null) {
3416                return (allowedProviders.equals(provider) ||
3417                        allowedProviders.contains("," + provider + ",") ||
3418                        allowedProviders.startsWith(provider + ",") ||
3419                        allowedProviders.endsWith("," + provider));
3420            }
3421            return false;
3422        }
3423
3424        /**
3425         * Thread-safe method for enabling or disabling a single location provider.
3426         * @param cr the content resolver to use
3427         * @param provider the location provider to enable or disable
3428         * @param enabled true if the provider should be enabled
3429         */
3430        public static final void setLocationProviderEnabled(ContentResolver cr,
3431                String provider, boolean enabled) {
3432            // to ensure thread safety, we write the provider name with a '+' or '-'
3433            // and let the SettingsProvider handle it rather than reading and modifying
3434            // the list of enabled providers.
3435            if (enabled) {
3436                provider = "+" + provider;
3437            } else {
3438                provider = "-" + provider;
3439            }
3440            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3441        }
3442    }
3443
3444    /**
3445     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3446     * Intent URL, allowing it to be either a web page or a particular
3447     * application activity.
3448     *
3449     * @hide
3450     */
3451    public static final class Bookmarks implements BaseColumns
3452    {
3453        private static final String TAG = "Bookmarks";
3454
3455        /**
3456         * The content:// style URL for this table
3457         */
3458        public static final Uri CONTENT_URI =
3459            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3460
3461        /**
3462         * The row ID.
3463         * <p>Type: INTEGER</p>
3464         */
3465        public static final String ID = "_id";
3466
3467        /**
3468         * Descriptive name of the bookmark that can be displayed to the user.
3469         * If this is empty, the title should be resolved at display time (use
3470         * {@link #getTitle(Context, Cursor)} any time you want to display the
3471         * title of a bookmark.)
3472         * <P>
3473         * Type: TEXT
3474         * </P>
3475         */
3476        public static final String TITLE = "title";
3477
3478        /**
3479         * Arbitrary string (displayed to the user) that allows bookmarks to be
3480         * organized into categories.  There are some special names for
3481         * standard folders, which all start with '@'.  The label displayed for
3482         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3483         * the folder name does not change so you can consistently query for
3484         * the folder regardless of the current locale.
3485         *
3486         * <P>Type: TEXT</P>
3487         *
3488         */
3489        public static final String FOLDER = "folder";
3490
3491        /**
3492         * The Intent URL of the bookmark, describing what it points to.  This
3493         * value is given to {@link android.content.Intent#getIntent} to create
3494         * an Intent that can be launched.
3495         * <P>Type: TEXT</P>
3496         */
3497        public static final String INTENT = "intent";
3498
3499        /**
3500         * Optional shortcut character associated with this bookmark.
3501         * <P>Type: INTEGER</P>
3502         */
3503        public static final String SHORTCUT = "shortcut";
3504
3505        /**
3506         * The order in which the bookmark should be displayed
3507         * <P>Type: INTEGER</P>
3508         */
3509        public static final String ORDERING = "ordering";
3510
3511        private static final String[] sIntentProjection = { INTENT };
3512        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3513        private static final String sShortcutSelection = SHORTCUT + "=?";
3514
3515        /**
3516         * Convenience function to retrieve the bookmarked Intent for a
3517         * particular shortcut key.
3518         *
3519         * @param cr The ContentResolver to query.
3520         * @param shortcut The shortcut key.
3521         *
3522         * @return Intent The bookmarked URL, or null if there is no bookmark
3523         *         matching the given shortcut.
3524         */
3525        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3526        {
3527            Intent intent = null;
3528
3529            Cursor c = cr.query(CONTENT_URI,
3530                    sIntentProjection, sShortcutSelection,
3531                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3532            // Keep trying until we find a valid shortcut
3533            try {
3534                while (intent == null && c.moveToNext()) {
3535                    try {
3536                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3537                        intent = Intent.getIntent(intentURI);
3538                    } catch (java.net.URISyntaxException e) {
3539                        // The stored URL is bad...  ignore it.
3540                    } catch (IllegalArgumentException e) {
3541                        // Column not found
3542                        Log.w(TAG, "Intent column not found", e);
3543                    }
3544                }
3545            } finally {
3546                if (c != null) c.close();
3547            }
3548
3549            return intent;
3550        }
3551
3552        /**
3553         * Add a new bookmark to the system.
3554         *
3555         * @param cr The ContentResolver to query.
3556         * @param intent The desired target of the bookmark.
3557         * @param title Bookmark title that is shown to the user; null if none
3558         *            or it should be resolved to the intent's title.
3559         * @param folder Folder in which to place the bookmark; null if none.
3560         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3561         *            this is non-zero and there is an existing bookmark entry
3562         *            with this same shortcut, then that existing shortcut is
3563         *            cleared (the bookmark is not removed).
3564         * @return The unique content URL for the new bookmark entry.
3565         */
3566        public static Uri add(ContentResolver cr,
3567                                           Intent intent,
3568                                           String title,
3569                                           String folder,
3570                                           char shortcut,
3571                                           int ordering)
3572        {
3573            // If a shortcut is supplied, and it is already defined for
3574            // another bookmark, then remove the old definition.
3575            if (shortcut != 0) {
3576                cr.delete(CONTENT_URI, sShortcutSelection,
3577                        new String[] { String.valueOf((int) shortcut) });
3578            }
3579
3580            ContentValues values = new ContentValues();
3581            if (title != null) values.put(TITLE, title);
3582            if (folder != null) values.put(FOLDER, folder);
3583            values.put(INTENT, intent.toURI());
3584            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3585            values.put(ORDERING, ordering);
3586            return cr.insert(CONTENT_URI, values);
3587        }
3588
3589        /**
3590         * Return the folder name as it should be displayed to the user.  This
3591         * takes care of localizing special folders.
3592         *
3593         * @param r Resources object for current locale; only need access to
3594         *          system resources.
3595         * @param folder The value found in the {@link #FOLDER} column.
3596         *
3597         * @return CharSequence The label for this folder that should be shown
3598         *         to the user.
3599         */
3600        public static CharSequence getLabelForFolder(Resources r, String folder) {
3601            return folder;
3602        }
3603
3604        /**
3605         * Return the title as it should be displayed to the user. This takes
3606         * care of localizing bookmarks that point to activities.
3607         *
3608         * @param context A context.
3609         * @param cursor A cursor pointing to the row whose title should be
3610         *        returned. The cursor must contain at least the {@link #TITLE}
3611         *        and {@link #INTENT} columns.
3612         * @return A title that is localized and can be displayed to the user,
3613         *         or the empty string if one could not be found.
3614         */
3615        public static CharSequence getTitle(Context context, Cursor cursor) {
3616            int titleColumn = cursor.getColumnIndex(TITLE);
3617            int intentColumn = cursor.getColumnIndex(INTENT);
3618            if (titleColumn == -1 || intentColumn == -1) {
3619                throw new IllegalArgumentException(
3620                        "The cursor must contain the TITLE and INTENT columns.");
3621            }
3622
3623            String title = cursor.getString(titleColumn);
3624            if (!TextUtils.isEmpty(title)) {
3625                return title;
3626            }
3627
3628            String intentUri = cursor.getString(intentColumn);
3629            if (TextUtils.isEmpty(intentUri)) {
3630                return "";
3631            }
3632
3633            Intent intent;
3634            try {
3635                intent = Intent.getIntent(intentUri);
3636            } catch (URISyntaxException e) {
3637                return "";
3638            }
3639
3640            PackageManager packageManager = context.getPackageManager();
3641            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3642            return info != null ? info.loadLabel(packageManager) : "";
3643        }
3644    }
3645
3646    /**
3647     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3648     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3649     * from the GoogleLoginService.
3650     *
3651     * @param androidId The Android ID for this device.
3652     * @return The device ID that should be used when connecting to the mobile gtalk server.
3653     * @hide
3654     */
3655    public static String getGTalkDeviceId(long androidId) {
3656        return "android-" + Long.toHexString(androidId);
3657    }
3658}
3659