1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import com.google.android.collect.Maps;
20
21import org.apache.commons.codec.binary.Base64;
22
23import android.annotation.SdkConstant;
24import android.annotation.SdkConstant.SdkConstantType;
25import android.content.ComponentName;
26import android.content.ContentQueryMap;
27import android.content.ContentResolver;
28import android.content.ContentValues;
29import android.content.Context;
30import android.content.IContentProvider;
31import android.content.Intent;
32import android.content.pm.ActivityInfo;
33import android.content.pm.PackageManager;
34import android.content.pm.ResolveInfo;
35import android.content.res.Configuration;
36import android.content.res.Resources;
37import android.database.Cursor;
38import android.database.SQLException;
39import android.net.Uri;
40import android.os.*;
41import android.telephony.TelephonyManager;
42import android.text.TextUtils;
43import android.util.AndroidException;
44import android.util.Config;
45import android.util.Log;
46
47import java.net.URISyntaxException;
48import java.security.MessageDigest;
49import java.security.NoSuchAlgorithmException;
50import java.util.Collections;
51import java.util.HashMap;
52import java.util.HashSet;
53import java.util.Map;
54
55
56/**
57 * The Settings provider contains global system-level device preferences.
58 */
59public final class Settings {
60
61    // Intent actions for Settings
62
63    /**
64     * Activity Action: Show system settings.
65     * <p>
66     * Input: Nothing.
67     * <p>
68     * Output: nothing.
69     */
70    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
71    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
72
73    /**
74     * Activity Action: Show settings to allow configuration of APNs.
75     * <p>
76     * Input: Nothing.
77     * <p>
78     * Output: nothing.
79     */
80    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
81    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
82
83    /**
84     * Activity Action: Show settings to allow configuration of current location
85     * sources.
86     * <p>
87     * In some cases, a matching Activity may not exist, so ensure you
88     * safeguard against this.
89     * <p>
90     * Input: Nothing.
91     * <p>
92     * Output: Nothing.
93     */
94    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
95    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
96            "android.settings.LOCATION_SOURCE_SETTINGS";
97
98    /**
99     * Activity Action: Show settings to allow configuration of wireless controls
100     * such as Wi-Fi, Bluetooth and Mobile networks.
101     * <p>
102     * In some cases, a matching Activity may not exist, so ensure you
103     * safeguard against this.
104     * <p>
105     * Input: Nothing.
106     * <p>
107     * Output: Nothing.
108     */
109    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
110    public static final String ACTION_WIRELESS_SETTINGS =
111            "android.settings.WIRELESS_SETTINGS";
112
113    /**
114     * Activity Action: Show settings to allow entering/exiting airplane mode.
115     * <p>
116     * In some cases, a matching Activity may not exist, so ensure you
117     * safeguard against this.
118     * <p>
119     * Input: Nothing.
120     * <p>
121     * Output: Nothing.
122     */
123    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
124    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
125            "android.settings.AIRPLANE_MODE_SETTINGS";
126
127    /**
128     * Activity Action: Show settings for accessibility modules.
129     * <p>
130     * In some cases, a matching Activity may not exist, so ensure you
131     * safeguard against this.
132     * <p>
133     * Input: Nothing.
134     * <p>
135     * Output: Nothing.
136     */
137    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
138    public static final String ACTION_ACCESSIBILITY_SETTINGS =
139            "android.settings.ACCESSIBILITY_SETTINGS";
140
141    /**
142     * Activity Action: Show settings to allow configuration of security and
143     * location privacy.
144     * <p>
145     * In some cases, a matching Activity may not exist, so ensure you
146     * safeguard against this.
147     * <p>
148     * Input: Nothing.
149     * <p>
150     * Output: Nothing.
151     */
152    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
153    public static final String ACTION_SECURITY_SETTINGS =
154            "android.settings.SECURITY_SETTINGS";
155
156    /**
157     * Activity Action: Show settings to allow configuration of privacy options.
158     * <p>
159     * In some cases, a matching Activity may not exist, so ensure you
160     * safeguard against this.
161     * <p>
162     * Input: Nothing.
163     * <p>
164     * Output: Nothing.
165     */
166    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
167    public static final String ACTION_PRIVACY_SETTINGS =
168            "android.settings.PRIVACY_SETTINGS";
169
170    /**
171     * Activity Action: Show settings to allow configuration of Wi-Fi.
172
173     * <p>
174     * In some cases, a matching Activity may not exist, so ensure you
175     * safeguard against this.
176     * <p>
177     * Input: Nothing.
178     * <p>
179     * Output: Nothing.
180
181     */
182    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
183    public static final String ACTION_WIFI_SETTINGS =
184            "android.settings.WIFI_SETTINGS";
185
186    /**
187     * Activity Action: Show settings to allow configuration of a static IP
188     * address for Wi-Fi.
189     * <p>
190     * In some cases, a matching Activity may not exist, so ensure you safeguard
191     * against this.
192     * <p>
193     * Input: Nothing.
194     * <p>
195     * Output: Nothing.
196     */
197    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
198    public static final String ACTION_WIFI_IP_SETTINGS =
199            "android.settings.WIFI_IP_SETTINGS";
200
201    /**
202     * Activity Action: Show settings to allow configuration of Bluetooth.
203     * <p>
204     * In some cases, a matching Activity may not exist, so ensure you
205     * safeguard against this.
206     * <p>
207     * Input: Nothing.
208     * <p>
209     * Output: Nothing.
210     */
211    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
212    public static final String ACTION_BLUETOOTH_SETTINGS =
213            "android.settings.BLUETOOTH_SETTINGS";
214
215    /**
216     * Activity Action: Show settings to allow configuration of date and time.
217     * <p>
218     * In some cases, a matching Activity may not exist, so ensure you
219     * safeguard against this.
220     * <p>
221     * Input: Nothing.
222     * <p>
223     * Output: Nothing.
224     */
225    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
226    public static final String ACTION_DATE_SETTINGS =
227            "android.settings.DATE_SETTINGS";
228
229    /**
230     * Activity Action: Show settings to allow configuration of sound and volume.
231     * <p>
232     * In some cases, a matching Activity may not exist, so ensure you
233     * safeguard against this.
234     * <p>
235     * Input: Nothing.
236     * <p>
237     * Output: Nothing.
238     */
239    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
240    public static final String ACTION_SOUND_SETTINGS =
241            "android.settings.SOUND_SETTINGS";
242
243    /**
244     * Activity Action: Show settings to allow configuration of display.
245     * <p>
246     * In some cases, a matching Activity may not exist, so ensure you
247     * safeguard against this.
248     * <p>
249     * Input: Nothing.
250     * <p>
251     * Output: Nothing.
252     */
253    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
254    public static final String ACTION_DISPLAY_SETTINGS =
255            "android.settings.DISPLAY_SETTINGS";
256
257    /**
258     * Activity Action: Show settings to allow configuration of locale.
259     * <p>
260     * In some cases, a matching Activity may not exist, so ensure you
261     * safeguard against this.
262     * <p>
263     * Input: Nothing.
264     * <p>
265     * Output: Nothing.
266     */
267    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
268    public static final String ACTION_LOCALE_SETTINGS =
269            "android.settings.LOCALE_SETTINGS";
270
271    /**
272     * Activity Action: Show settings to configure input methods, in particular
273     * allowing the user to enable input methods.
274     * <p>
275     * In some cases, a matching Activity may not exist, so ensure you
276     * safeguard against this.
277     * <p>
278     * Input: Nothing.
279     * <p>
280     * Output: Nothing.
281     */
282    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
283    public static final String ACTION_INPUT_METHOD_SETTINGS =
284            "android.settings.INPUT_METHOD_SETTINGS";
285
286    /**
287     * Activity Action: Show settings to manage the user input dictionary.
288     * <p>
289     * In some cases, a matching Activity may not exist, so ensure you
290     * safeguard against this.
291     * <p>
292     * Input: Nothing.
293     * <p>
294     * Output: Nothing.
295     */
296    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
297    public static final String ACTION_USER_DICTIONARY_SETTINGS =
298            "android.settings.USER_DICTIONARY_SETTINGS";
299
300    /**
301     * Activity Action: Show settings to allow configuration of application-related settings.
302     * <p>
303     * In some cases, a matching Activity may not exist, so ensure you
304     * safeguard against this.
305     * <p>
306     * Input: Nothing.
307     * <p>
308     * Output: Nothing.
309     */
310    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
311    public static final String ACTION_APPLICATION_SETTINGS =
312            "android.settings.APPLICATION_SETTINGS";
313
314    /**
315     * Activity Action: Show settings to allow configuration of application
316     * development-related settings.
317     * <p>
318     * In some cases, a matching Activity may not exist, so ensure you safeguard
319     * against this.
320     * <p>
321     * Input: Nothing.
322     * <p>
323     * Output: Nothing.
324     */
325    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
326    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
327            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
328
329    /**
330     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
331     * <p>
332     * In some cases, a matching Activity may not exist, so ensure you
333     * safeguard against this.
334     * <p>
335     * Input: Nothing.
336     * <p>
337     * Output: Nothing.
338     */
339    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
340    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
341            "android.settings.QUICK_LAUNCH_SETTINGS";
342
343    /**
344     * Activity Action: Show settings to manage installed applications.
345     * <p>
346     * In some cases, a matching Activity may not exist, so ensure you
347     * safeguard against this.
348     * <p>
349     * Input: Nothing.
350     * <p>
351     * Output: Nothing.
352     */
353    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
354    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
355            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
356
357    /**
358     * Activity Action: Show settings to manage all applications.
359     * <p>
360     * In some cases, a matching Activity may not exist, so ensure you
361     * safeguard against this.
362     * <p>
363     * Input: Nothing.
364     * <p>
365     * Output: Nothing.
366     */
367    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
368    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
369            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
370
371    /**
372     * Activity Action: Show screen of details about a particular application.
373     * <p>
374     * In some cases, a matching Activity may not exist, so ensure you
375     * safeguard against this.
376     * <p>
377     * Input: The Intent's data URI specifies the application package name
378     * to be shown, with the "package" scheme.  That is "package:com.my.app".
379     * <p>
380     * Output: Nothing.
381     */
382    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
383    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
384            "android.settings.APPLICATION_DETAILS_SETTINGS";
385
386    /**
387     * Activity Action: Show settings for system update functionality.
388     * <p>
389     * In some cases, a matching Activity may not exist, so ensure you
390     * safeguard against this.
391     * <p>
392     * Input: Nothing.
393     * <p>
394     * Output: Nothing.
395     *
396     * @hide
397     */
398    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
399    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
400            "android.settings.SYSTEM_UPDATE_SETTINGS";
401
402    /**
403     * Activity Action: Show settings to allow configuration of sync settings.
404     * <p>
405     * In some cases, a matching Activity may not exist, so ensure you
406     * safeguard against this.
407     * <p>
408     * The account types available to add via the add account button may be restricted by adding an
409     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
410     * authorities. Only account types which can sync with that content provider will be offered to
411     * the user.
412     * <p>
413     * Input: Nothing.
414     * <p>
415     * Output: Nothing.
416     */
417    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
418    public static final String ACTION_SYNC_SETTINGS =
419            "android.settings.SYNC_SETTINGS";
420
421    /**
422     * Activity Action: Show add account screen for creating a new account.
423     * <p>
424     * In some cases, a matching Activity may not exist, so ensure you
425     * safeguard against this.
426     * <p>
427     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
428     * extra to the Intent with one or more syncable content provider's authorities.  Only account
429     * types which can sync with that content provider will be offered to the user.
430     * <p>
431     * Input: Nothing.
432     * <p>
433     * Output: Nothing.
434     */
435    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
436    public static final String ACTION_ADD_ACCOUNT =
437            "android.settings.ADD_ACCOUNT_SETTINGS";
438
439    /**
440     * Activity Action: Show settings for selecting the network operator.
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_NETWORK_OPERATOR_SETTINGS =
451            "android.settings.NETWORK_OPERATOR_SETTINGS";
452
453    /**
454     * Activity Action: Show settings for selection of 2G/3G.
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_DATA_ROAMING_SETTINGS =
465            "android.settings.DATA_ROAMING_SETTINGS";
466
467    /**
468     * Activity Action: Show settings for internal storage.
469     * <p>
470     * In some cases, a matching Activity may not exist, so ensure you
471     * safeguard against this.
472     * <p>
473     * Input: Nothing.
474     * <p>
475     * Output: Nothing.
476     */
477    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
478    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
479            "android.settings.INTERNAL_STORAGE_SETTINGS";
480    /**
481     * Activity Action: Show settings for memory card storage.
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_MEMORY_CARD_SETTINGS =
492            "android.settings.MEMORY_CARD_SETTINGS";
493
494    /**
495     * Activity Action: Show settings for global search.
496     * <p>
497     * In some cases, a matching Activity may not exist, so ensure you
498     * safeguard against this.
499     * <p>
500     * Input: Nothing.
501     * <p>
502     * Output: Nothing
503     */
504    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
505    public static final String ACTION_SEARCH_SETTINGS =
506        "android.search.action.SEARCH_SETTINGS";
507
508    /**
509     * Activity Action: Show general device information settings (serial
510     * number, software version, phone number, etc.).
511     * <p>
512     * In some cases, a matching Activity may not exist, so ensure you
513     * safeguard against this.
514     * <p>
515     * Input: Nothing.
516     * <p>
517     * Output: Nothing
518     */
519    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
520    public static final String ACTION_DEVICE_INFO_SETTINGS =
521        "android.settings.DEVICE_INFO_SETTINGS";
522
523    // End of Intent actions for Settings
524
525    /**
526     * @hide - Private call() method on SettingsProvider to read from 'system' table.
527     */
528    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
529
530    /**
531     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
532     */
533    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
534
535    /**
536     * Activity Extra: Limit available options in launched activity based on the given authority.
537     * <p>
538     * This can be passed as an extra field in an Activity Intent with one or more syncable content
539     * provider's authorities as a String[]. This field is used by some intents to alter the
540     * behavior of the called activity.
541     * <p>
542     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
543     * on the authority given.
544     */
545    public static final String EXTRA_AUTHORITIES =
546            "authorities";
547
548    private static final String JID_RESOURCE_PREFIX = "android";
549
550    public static final String AUTHORITY = "settings";
551
552    private static final String TAG = "Settings";
553    private static final boolean LOCAL_LOGV = Config.LOGV || false;
554
555    public static class SettingNotFoundException extends AndroidException {
556        public SettingNotFoundException(String msg) {
557            super(msg);
558        }
559    }
560
561    /**
562     * Common base for tables of name/value settings.
563     */
564    public static class NameValueTable implements BaseColumns {
565        public static final String NAME = "name";
566        public static final String VALUE = "value";
567
568        protected static boolean putString(ContentResolver resolver, Uri uri,
569                String name, String value) {
570            // The database will take care of replacing duplicates.
571            try {
572                ContentValues values = new ContentValues();
573                values.put(NAME, name);
574                values.put(VALUE, value);
575                resolver.insert(uri, values);
576                return true;
577            } catch (SQLException e) {
578                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
579                return false;
580            }
581        }
582
583        public static Uri getUriFor(Uri uri, String name) {
584            return Uri.withAppendedPath(uri, name);
585        }
586    }
587
588    // Thread-safe.
589    private static class NameValueCache {
590        private final String mVersionSystemProperty;
591        private final Uri mUri;
592
593        private static final String[] SELECT_VALUE =
594            new String[] { Settings.NameValueTable.VALUE };
595        private static final String NAME_EQ_PLACEHOLDER = "name=?";
596
597        // Must synchronize on 'this' to access mValues and mValuesVersion.
598        private final HashMap<String, String> mValues = new HashMap<String, String>();
599        private long mValuesVersion = 0;
600
601        // Initially null; set lazily and held forever.  Synchronized on 'this'.
602        private IContentProvider mContentProvider = null;
603
604        // The method we'll call (or null, to not use) on the provider
605        // for the fast path of retrieving settings.
606        private final String mCallCommand;
607
608        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
609            mVersionSystemProperty = versionSystemProperty;
610            mUri = uri;
611            mCallCommand = callCommand;
612        }
613
614        public String getString(ContentResolver cr, String name) {
615            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
616
617            synchronized (this) {
618                if (mValuesVersion != newValuesVersion) {
619                    if (LOCAL_LOGV) {
620                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
621                                newValuesVersion + " != cached " + mValuesVersion);
622                    }
623
624                    mValues.clear();
625                    mValuesVersion = newValuesVersion;
626                }
627
628                if (mValues.containsKey(name)) {
629                    return mValues.get(name);  // Could be null, that's OK -- negative caching
630                }
631            }
632
633            IContentProvider cp = null;
634            synchronized (this) {
635                cp = mContentProvider;
636                if (cp == null) {
637                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
638                }
639            }
640
641            // Try the fast path first, not using query().  If this
642            // fails (alternate Settings provider that doesn't support
643            // this interface?) then we fall back to the query/table
644            // interface.
645            if (mCallCommand != null) {
646                try {
647                    Bundle b = cp.call(mCallCommand, name, null);
648                    if (b != null) {
649                        String value = b.getPairValue();
650                        synchronized (this) {
651                            mValues.put(name, value);
652                        }
653                        return value;
654                    }
655                    // If the response Bundle is null, we fall through
656                    // to the query interface below.
657                } catch (RemoteException e) {
658                    // Not supported by the remote side?  Fall through
659                    // to query().
660                }
661            }
662
663            Cursor c = null;
664            try {
665                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
666                             new String[]{name}, null);
667                if (c == null) {
668                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
669                    return null;
670                }
671
672                String value = c.moveToNext() ? c.getString(0) : null;
673                synchronized (this) {
674                    mValues.put(name, value);
675                }
676                if (LOCAL_LOGV) {
677                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
678                            name + " = " + (value == null ? "(null)" : value));
679                }
680                return value;
681            } catch (RemoteException e) {
682                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
683                return null;  // Return null, but don't cache it.
684            } finally {
685                if (c != null) c.close();
686            }
687        }
688    }
689
690    /**
691     * System settings, containing miscellaneous system preferences.  This
692     * table holds simple name/value pairs.  There are convenience
693     * functions for accessing individual settings entries.
694     */
695    public static final class System extends NameValueTable {
696        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
697
698        // Populated lazily, guarded by class object:
699        private static NameValueCache sNameValueCache = null;
700
701        private static final HashSet<String> MOVED_TO_SECURE;
702        static {
703            MOVED_TO_SECURE = new HashSet<String>(30);
704            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
705            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
706            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
707            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
708            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
709            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
710            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
711            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
712            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
713            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
714            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
715            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
716            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
717            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
718            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
719            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
720            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
721            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
722            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
723            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
724            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
725            MOVED_TO_SECURE.add(Secure.WIFI_ON);
726            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
727            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
728            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
729            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
730            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
731            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
732            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
733            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
734            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
735            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
736            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
737        }
738
739        /**
740         * Look up a name in the database.
741         * @param resolver to access the database with
742         * @param name to look up in the table
743         * @return the corresponding value, or null if not present
744         */
745        public synchronized static String getString(ContentResolver resolver, String name) {
746            if (MOVED_TO_SECURE.contains(name)) {
747                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
748                        + " to android.provider.Settings.Secure, returning read-only value.");
749                return Secure.getString(resolver, name);
750            }
751            if (sNameValueCache == null) {
752                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
753                                                     CALL_METHOD_GET_SYSTEM);
754            }
755            return sNameValueCache.getString(resolver, name);
756        }
757
758        /**
759         * Store a name/value pair into the database.
760         * @param resolver to access the database with
761         * @param name to store
762         * @param value to associate with the name
763         * @return true if the value was set, false on database errors
764         */
765        public static boolean putString(ContentResolver resolver, String name, String value) {
766            if (MOVED_TO_SECURE.contains(name)) {
767                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
768                        + " to android.provider.Settings.Secure, value is unchanged.");
769                return false;
770            }
771            return putString(resolver, CONTENT_URI, name, value);
772        }
773
774        /**
775         * Construct the content URI for a particular name/value pair,
776         * useful for monitoring changes with a ContentObserver.
777         * @param name to look up in the table
778         * @return the corresponding content URI, or null if not present
779         */
780        public static Uri getUriFor(String name) {
781            if (MOVED_TO_SECURE.contains(name)) {
782                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
783                    + " to android.provider.Settings.Secure, returning Secure URI.");
784                return Secure.getUriFor(Secure.CONTENT_URI, name);
785            }
786            return getUriFor(CONTENT_URI, name);
787        }
788
789        /**
790         * Convenience function for retrieving a single system settings value
791         * as an integer.  Note that internally setting values are always
792         * stored as strings; this function converts the string to an integer
793         * for you.  The default value will be returned if the setting is
794         * not defined or not an integer.
795         *
796         * @param cr The ContentResolver to access.
797         * @param name The name of the setting to retrieve.
798         * @param def Value to return if the setting is not defined.
799         *
800         * @return The setting's current value, or 'def' if it is not defined
801         * or not a valid integer.
802         */
803        public static int getInt(ContentResolver cr, String name, int def) {
804            String v = getString(cr, name);
805            try {
806                return v != null ? Integer.parseInt(v) : def;
807            } catch (NumberFormatException e) {
808                return def;
809            }
810        }
811
812        /**
813         * Convenience function for retrieving a single system settings value
814         * as an integer.  Note that internally setting values are always
815         * stored as strings; this function converts the string to an integer
816         * for you.
817         * <p>
818         * This version does not take a default value.  If the setting has not
819         * been set, or the string value is not a number,
820         * it throws {@link SettingNotFoundException}.
821         *
822         * @param cr The ContentResolver to access.
823         * @param name The name of the setting to retrieve.
824         *
825         * @throws SettingNotFoundException Thrown if a setting by the given
826         * name can't be found or the setting value is not an integer.
827         *
828         * @return The setting's current value.
829         */
830        public static int getInt(ContentResolver cr, String name)
831                throws SettingNotFoundException {
832            String v = getString(cr, name);
833            try {
834                return Integer.parseInt(v);
835            } catch (NumberFormatException e) {
836                throw new SettingNotFoundException(name);
837            }
838        }
839
840        /**
841         * Convenience function for updating a single settings value as an
842         * integer. This will either create a new entry in the table if the
843         * given name does not exist, or modify the value of the existing row
844         * with that name.  Note that internally setting values are always
845         * stored as strings, so this function converts the given value to a
846         * string before storing it.
847         *
848         * @param cr The ContentResolver to access.
849         * @param name The name of the setting to modify.
850         * @param value The new value for the setting.
851         * @return true if the value was set, false on database errors
852         */
853        public static boolean putInt(ContentResolver cr, String name, int value) {
854            return putString(cr, name, Integer.toString(value));
855        }
856
857        /**
858         * Convenience function for retrieving a single system settings value
859         * as a {@code long}.  Note that internally setting values are always
860         * stored as strings; this function converts the string to a {@code long}
861         * for you.  The default value will be returned if the setting is
862         * not defined or not a {@code long}.
863         *
864         * @param cr The ContentResolver to access.
865         * @param name The name of the setting to retrieve.
866         * @param def Value to return if the setting is not defined.
867         *
868         * @return The setting's current value, or 'def' if it is not defined
869         * or not a valid {@code long}.
870         */
871        public static long getLong(ContentResolver cr, String name, long def) {
872            String valString = getString(cr, name);
873            long value;
874            try {
875                value = valString != null ? Long.parseLong(valString) : def;
876            } catch (NumberFormatException e) {
877                value = def;
878            }
879            return value;
880        }
881
882        /**
883         * Convenience function for retrieving a single system settings value
884         * as a {@code long}.  Note that internally setting values are always
885         * stored as strings; this function converts the string to a {@code long}
886         * for you.
887         * <p>
888         * This version does not take a default value.  If the setting has not
889         * been set, or the string value is not a number,
890         * it throws {@link SettingNotFoundException}.
891         *
892         * @param cr The ContentResolver to access.
893         * @param name The name of the setting to retrieve.
894         *
895         * @return The setting's current value.
896         * @throws SettingNotFoundException Thrown if a setting by the given
897         * name can't be found or the setting value is not an integer.
898         */
899        public static long getLong(ContentResolver cr, String name)
900                throws SettingNotFoundException {
901            String valString = getString(cr, name);
902            try {
903                return Long.parseLong(valString);
904            } catch (NumberFormatException e) {
905                throw new SettingNotFoundException(name);
906            }
907        }
908
909        /**
910         * Convenience function for updating a single settings value as a long
911         * integer. This will either create a new entry in the table if the
912         * given name does not exist, or modify the value of the existing row
913         * with that name.  Note that internally setting values are always
914         * stored as strings, so this function converts the given value to a
915         * string before storing it.
916         *
917         * @param cr The ContentResolver to access.
918         * @param name The name of the setting to modify.
919         * @param value The new value for the setting.
920         * @return true if the value was set, false on database errors
921         */
922        public static boolean putLong(ContentResolver cr, String name, long value) {
923            return putString(cr, name, Long.toString(value));
924        }
925
926        /**
927         * Convenience function for retrieving a single system settings value
928         * as a floating point number.  Note that internally setting values are
929         * always stored as strings; this function converts the string to an
930         * float for you. The default value will be returned if the setting
931         * is not defined or not a valid float.
932         *
933         * @param cr The ContentResolver to access.
934         * @param name The name of the setting to retrieve.
935         * @param def Value to return if the setting is not defined.
936         *
937         * @return The setting's current value, or 'def' if it is not defined
938         * or not a valid float.
939         */
940        public static float getFloat(ContentResolver cr, String name, float def) {
941            String v = getString(cr, name);
942            try {
943                return v != null ? Float.parseFloat(v) : def;
944            } catch (NumberFormatException e) {
945                return def;
946            }
947        }
948
949        /**
950         * Convenience function for retrieving a single system settings value
951         * as a float.  Note that internally setting values are always
952         * stored as strings; this function converts the string to a float
953         * for you.
954         * <p>
955         * This version does not take a default value.  If the setting has not
956         * been set, or the string value is not a number,
957         * it throws {@link SettingNotFoundException}.
958         *
959         * @param cr The ContentResolver to access.
960         * @param name The name of the setting to retrieve.
961         *
962         * @throws SettingNotFoundException Thrown if a setting by the given
963         * name can't be found or the setting value is not a float.
964         *
965         * @return The setting's current value.
966         */
967        public static float getFloat(ContentResolver cr, String name)
968                throws SettingNotFoundException {
969            String v = getString(cr, name);
970            try {
971                return Float.parseFloat(v);
972            } catch (NumberFormatException e) {
973                throw new SettingNotFoundException(name);
974            }
975        }
976
977        /**
978         * Convenience function for updating a single settings value as a
979         * floating point number. This will either create a new entry in the
980         * table if the given name does not exist, or modify the value of the
981         * existing row with that name.  Note that internally setting values
982         * are always stored as strings, so this function converts the given
983         * value to a string before storing it.
984         *
985         * @param cr The ContentResolver to access.
986         * @param name The name of the setting to modify.
987         * @param value The new value for the setting.
988         * @return true if the value was set, false on database errors
989         */
990        public static boolean putFloat(ContentResolver cr, String name, float value) {
991            return putString(cr, name, Float.toString(value));
992        }
993
994        /**
995         * Convenience function to read all of the current
996         * configuration-related settings into a
997         * {@link Configuration} object.
998         *
999         * @param cr The ContentResolver to access.
1000         * @param outConfig Where to place the configuration settings.
1001         */
1002        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1003            outConfig.fontScale = Settings.System.getFloat(
1004                cr, FONT_SCALE, outConfig.fontScale);
1005            if (outConfig.fontScale < 0) {
1006                outConfig.fontScale = 1;
1007            }
1008        }
1009
1010        /**
1011         * Convenience function to write a batch of configuration-related
1012         * settings from a {@link Configuration} object.
1013         *
1014         * @param cr The ContentResolver to access.
1015         * @param config The settings to write.
1016         * @return true if the values were set, false on database errors
1017         */
1018        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1019            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1020        }
1021
1022        /** @hide */
1023        public static boolean hasInterestingConfigurationChanges(int changes) {
1024            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1025        }
1026
1027        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1028            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1029        }
1030
1031        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1032            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1033        }
1034
1035        /**
1036         * The content:// style URL for this table
1037         */
1038        public static final Uri CONTENT_URI =
1039            Uri.parse("content://" + AUTHORITY + "/system");
1040
1041        /**
1042         * Whether we keep the device on while the device is plugged in.
1043         * Supported values are:
1044         * <ul>
1045         * <li>{@code 0} to never stay on while plugged in</li>
1046         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1047         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1048         * </ul>
1049         * These values can be OR-ed together.
1050         */
1051        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1052
1053        /**
1054         * What happens when the user presses the end call button if they're not
1055         * on a call.<br/>
1056         * <b>Values:</b><br/>
1057         * 0 - The end button does nothing.<br/>
1058         * 1 - The end button goes to the home screen.<br/>
1059         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1060         * 3 - The end button goes to the home screen.  If the user is already on the
1061         * home screen, it puts the device to sleep.
1062         */
1063        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1064
1065        /**
1066         * END_BUTTON_BEHAVIOR value for "go home".
1067         * @hide
1068         */
1069        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1070
1071        /**
1072         * END_BUTTON_BEHAVIOR value for "go to sleep".
1073         * @hide
1074         */
1075        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1076
1077        /**
1078         * END_BUTTON_BEHAVIOR default value.
1079         * @hide
1080         */
1081        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1082
1083        /**
1084         * Whether Airplane Mode is on.
1085         */
1086        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1087
1088        /**
1089         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1090         */
1091        public static final String RADIO_BLUETOOTH = "bluetooth";
1092
1093        /**
1094         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1095         */
1096        public static final String RADIO_WIFI = "wifi";
1097
1098        /**
1099         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1100         */
1101        public static final String RADIO_CELL = "cell";
1102
1103        /**
1104         * Constant for use in AIRPLANE_MODE_RADIOS to specify WiMAX radio.
1105         * @hide
1106         */
1107        public static final String RADIO_WIMAX = "wimax";
1108
1109        /**
1110         * A comma separated list of radios that need to be disabled when airplane mode
1111         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1112         * included in the comma separated list.
1113         */
1114        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1115
1116        /**
1117         * A comma separated list of radios that should to be disabled when airplane mode
1118         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1119         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1120         * will be turned off when entering airplane mode, but the user will be able to reenable
1121         * Wifi in the Settings app.
1122         *
1123         * {@hide}
1124         */
1125        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1126
1127        /**
1128         * The policy for deciding when Wi-Fi should go to sleep (which will in
1129         * turn switch to using the mobile data as an Internet connection).
1130         * <p>
1131         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1132         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1133         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1134         */
1135        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1136
1137        /**
1138         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1139         * policy, which is to sleep shortly after the turning off
1140         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1141         */
1142        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1143
1144        /**
1145         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1146         * the device is on battery, and never go to sleep when the device is
1147         * plugged in.
1148         */
1149        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1150
1151        /**
1152         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1153         */
1154        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1155
1156        /**
1157         * Whether to use static IP and other static network attributes.
1158         * <p>
1159         * Set to 1 for true and 0 for false.
1160         */
1161        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1162
1163        /**
1164         * The static IP address.
1165         * <p>
1166         * Example: "192.168.1.51"
1167         */
1168        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1169
1170        /**
1171         * If using static IP, the gateway's IP address.
1172         * <p>
1173         * Example: "192.168.1.1"
1174         */
1175        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1176
1177        /**
1178         * If using static IP, the net mask.
1179         * <p>
1180         * Example: "255.255.255.0"
1181         */
1182        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1183
1184        /**
1185         * If using static IP, the primary DNS's IP address.
1186         * <p>
1187         * Example: "192.168.1.1"
1188         */
1189        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1190
1191        /**
1192         * If using static IP, the secondary DNS's IP address.
1193         * <p>
1194         * Example: "192.168.1.2"
1195         */
1196        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1197
1198        /**
1199         * The number of radio channels that are allowed in the local
1200         * 802.11 regulatory domain.
1201         * @hide
1202         */
1203        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1204
1205        /**
1206         * Determines whether remote devices may discover and/or connect to
1207         * this device.
1208         * <P>Type: INT</P>
1209         * 2 -- discoverable and connectable
1210         * 1 -- connectable but not discoverable
1211         * 0 -- neither connectable nor discoverable
1212         */
1213        public static final String BLUETOOTH_DISCOVERABILITY =
1214            "bluetooth_discoverability";
1215
1216        /**
1217         * Bluetooth discoverability timeout.  If this value is nonzero, then
1218         * Bluetooth becomes discoverable for a certain number of seconds,
1219         * after which is becomes simply connectable.  The value is in seconds.
1220         */
1221        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1222            "bluetooth_discoverability_timeout";
1223
1224        /**
1225         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1226         * instead
1227         */
1228        @Deprecated
1229        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1230
1231        /**
1232         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1233         * instead
1234         */
1235        @Deprecated
1236        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1237
1238        /**
1239         * @deprecated Use
1240         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1241         * instead
1242         */
1243        @Deprecated
1244        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1245            "lock_pattern_tactile_feedback_enabled";
1246
1247
1248        /**
1249         * A formatted string of the next alarm that is set, or the empty string
1250         * if there is no alarm set.
1251         */
1252        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1253
1254        /**
1255         * Scaling factor for fonts, float.
1256         */
1257        public static final String FONT_SCALE = "font_scale";
1258
1259        /**
1260         * Name of an application package to be debugged.
1261         */
1262        public static final String DEBUG_APP = "debug_app";
1263
1264        /**
1265         * If 1, when launching DEBUG_APP it will wait for the debugger before
1266         * starting user code.  If 0, it will run normally.
1267         */
1268        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1269
1270        /**
1271         * Whether or not to dim the screen. 0=no  1=yes
1272         */
1273        public static final String DIM_SCREEN = "dim_screen";
1274
1275        /**
1276         * The timeout before the screen turns off.
1277         */
1278        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1279
1280        /**
1281         * If 0, the compatibility mode is off for all applications.
1282         * If 1, older applications run under compatibility mode.
1283         * TODO: remove this settings before code freeze (bug/1907571)
1284         * @hide
1285         */
1286        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1287
1288        /**
1289         * The screen backlight brightness between 0 and 255.
1290         */
1291        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1292
1293        /**
1294         * Control whether to enable automatic brightness mode.
1295         */
1296        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1297
1298        /**
1299         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1300         */
1301        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1302
1303        /**
1304         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1305         */
1306        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1307
1308        /**
1309         * Control whether the process CPU usage meter should be shown.
1310         */
1311        public static final String SHOW_PROCESSES = "show_processes";
1312
1313        /**
1314         * If 1, the activity manager will aggressively finish activities and
1315         * processes as soon as they are no longer needed.  If 0, the normal
1316         * extended lifetime is used.
1317         */
1318        public static final String ALWAYS_FINISH_ACTIVITIES =
1319                "always_finish_activities";
1320
1321
1322        /**
1323         * Ringer mode. This is used internally, changing this value will not
1324         * change the ringer mode. See AudioManager.
1325         */
1326        public static final String MODE_RINGER = "mode_ringer";
1327
1328        /**
1329         * Determines which streams are affected by ringer mode changes. The
1330         * stream type's bit should be set to 1 if it should be muted when going
1331         * into an inaudible ringer mode.
1332         */
1333        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1334
1335         /**
1336          * Determines which streams are affected by mute. The
1337          * stream type's bit should be set to 1 if it should be muted when a mute request
1338          * is received.
1339          */
1340         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1341
1342        /**
1343         * Whether vibrate is on for different events. This is used internally,
1344         * changing this value will not change the vibrate. See AudioManager.
1345         */
1346        public static final String VIBRATE_ON = "vibrate_on";
1347
1348        /**
1349         * Ringer volume. This is used internally, changing this value will not
1350         * change the volume. See AudioManager.
1351         */
1352        public static final String VOLUME_RING = "volume_ring";
1353
1354        /**
1355         * System/notifications volume. This is used internally, changing this
1356         * value will not change the volume. See AudioManager.
1357         */
1358        public static final String VOLUME_SYSTEM = "volume_system";
1359
1360        /**
1361         * Voice call volume. This is used internally, changing this value will
1362         * not change the volume. See AudioManager.
1363         */
1364        public static final String VOLUME_VOICE = "volume_voice";
1365
1366        /**
1367         * Music/media/gaming volume. This is used internally, changing this
1368         * value will not change the volume. See AudioManager.
1369         */
1370        public static final String VOLUME_MUSIC = "volume_music";
1371
1372        /**
1373         * Alarm volume. This is used internally, changing this
1374         * value will not change the volume. See AudioManager.
1375         */
1376        public static final String VOLUME_ALARM = "volume_alarm";
1377
1378        /**
1379         * Notification volume. This is used internally, changing this
1380         * value will not change the volume. See AudioManager.
1381         */
1382        public static final String VOLUME_NOTIFICATION = "volume_notification";
1383
1384        /**
1385         * Bluetooth Headset volume. This is used internally, changing this value will
1386         * not change the volume. See AudioManager.
1387         */
1388        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1389
1390        /**
1391         * Whether the notifications should use the ring volume (value of 1) or
1392         * a separate notification volume (value of 0). In most cases, users
1393         * will have this enabled so the notification and ringer volumes will be
1394         * the same. However, power users can disable this and use the separate
1395         * notification volume control.
1396         * <p>
1397         * Note: This is a one-off setting that will be removed in the future
1398         * when there is profile support. For this reason, it is kept hidden
1399         * from the public APIs.
1400         *
1401         * @hide
1402         */
1403        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1404            "notifications_use_ring_volume";
1405
1406        /**
1407         * Whether silent mode should allow vibration feedback. This is used
1408         * internally in AudioService and the Sound settings activity to
1409         * coordinate decoupling of vibrate and silent modes. This setting
1410         * will likely be removed in a future release with support for
1411         * audio/vibe feedback profiles.
1412         *
1413         * @hide
1414         */
1415        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1416
1417        /**
1418         * The mapping of stream type (integer) to its setting.
1419         */
1420        public static final String[] VOLUME_SETTINGS = {
1421            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1422            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1423        };
1424
1425        /**
1426         * Appended to various volume related settings to record the previous
1427         * values before they the settings were affected by a silent/vibrate
1428         * ringer mode change.
1429         */
1430        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1431
1432        /**
1433         * Persistent store for the system-wide default ringtone URI.
1434         * <p>
1435         * If you need to play the default ringtone at any given time, it is recommended
1436         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1437         * to the set default ringtone at the time of playing.
1438         *
1439         * @see #DEFAULT_RINGTONE_URI
1440         */
1441        public static final String RINGTONE = "ringtone";
1442
1443        /**
1444         * A {@link Uri} that will point to the current default ringtone at any
1445         * given time.
1446         * <p>
1447         * If the current default ringtone is in the DRM provider and the caller
1448         * does not have permission, the exception will be a
1449         * FileNotFoundException.
1450         */
1451        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1452
1453        /**
1454         * Persistent store for the system-wide default notification sound.
1455         *
1456         * @see #RINGTONE
1457         * @see #DEFAULT_NOTIFICATION_URI
1458         */
1459        public static final String NOTIFICATION_SOUND = "notification_sound";
1460
1461        /**
1462         * A {@link Uri} that will point to the current default notification
1463         * sound at any given time.
1464         *
1465         * @see #DEFAULT_RINGTONE_URI
1466         */
1467        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1468
1469        /**
1470         * Persistent store for the system-wide default alarm alert.
1471         *
1472         * @see #RINGTONE
1473         * @see #DEFAULT_ALARM_ALERT_URI
1474         */
1475        public static final String ALARM_ALERT = "alarm_alert";
1476
1477        /**
1478         * A {@link Uri} that will point to the current default alarm alert at
1479         * any given time.
1480         *
1481         * @see #DEFAULT_ALARM_ALERT_URI
1482         */
1483        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1484
1485        /**
1486         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1487         */
1488        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1489
1490        /**
1491         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1492         */
1493        public static final String TEXT_AUTO_CAPS = "auto_caps";
1494
1495        /**
1496         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1497         * feature converts two spaces to a "." and space.
1498         */
1499        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1500
1501        /**
1502         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1503         */
1504        public static final String TEXT_SHOW_PASSWORD = "show_password";
1505
1506        public static final String SHOW_GTALK_SERVICE_STATUS =
1507                "SHOW_GTALK_SERVICE_STATUS";
1508
1509        /**
1510         * Name of activity to use for wallpaper on the home screen.
1511         */
1512        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1513
1514        /**
1515         * Value to specify if the user prefers the date, time and time zone
1516         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1517         */
1518        public static final String AUTO_TIME = "auto_time";
1519
1520        /**
1521         * Display times as 12 or 24 hours
1522         *   12
1523         *   24
1524         */
1525        public static final String TIME_12_24 = "time_12_24";
1526
1527        /**
1528         * Date format string
1529         *   mm/dd/yyyy
1530         *   dd/mm/yyyy
1531         *   yyyy/mm/dd
1532         */
1533        public static final String DATE_FORMAT = "date_format";
1534
1535        /**
1536         * Whether the setup wizard has been run before (on first boot), or if
1537         * it still needs to be run.
1538         *
1539         * nonzero = it has been run in the past
1540         * 0 = it has not been run in the past
1541         */
1542        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1543
1544        /**
1545         * Scaling factor for normal window animations. Setting to 0 will disable window
1546         * animations.
1547         */
1548        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1549
1550        /**
1551         * Scaling factor for activity transition animations. Setting to 0 will disable window
1552         * animations.
1553         */
1554        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1555
1556        /**
1557         * Scaling factor for normal window animations. Setting to 0 will disable window
1558         * animations.
1559         * @hide
1560         */
1561        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1562
1563        /**
1564         * Control whether the accelerometer will be used to change screen
1565         * orientation.  If 0, it will not be used unless explicitly requested
1566         * by the application; if 1, it will be used by default unless explicitly
1567         * disabled by the application.
1568         */
1569        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1570
1571        /**
1572         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1573         * boolean (1 or 0).
1574         */
1575        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1576
1577        /**
1578         * CDMA only settings
1579         * DTMF tone type played by the dialer when dialing.
1580         *                 0 = Normal
1581         *                 1 = Long
1582         * @hide
1583         */
1584        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1585
1586        /**
1587         * CDMA only settings
1588         * Emergency Tone  0 = Off
1589         *                 1 = Alert
1590         *                 2 = Vibrate
1591         * @hide
1592         */
1593        public static final String EMERGENCY_TONE = "emergency_tone";
1594
1595        /**
1596         * CDMA only settings
1597         * Whether the auto retry is enabled. The value is
1598         * boolean (1 or 0).
1599         * @hide
1600         */
1601        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1602
1603        /**
1604         * Whether the hearing aid is enabled. The value is
1605         * boolean (1 or 0).
1606         * @hide
1607         */
1608        public static final String HEARING_AID = "hearing_aid";
1609
1610        /**
1611         * CDMA only settings
1612         * TTY Mode
1613         * 0 = OFF
1614         * 1 = FULL
1615         * 2 = VCO
1616         * 3 = HCO
1617         * @hide
1618         */
1619        public static final String TTY_MODE = "tty_mode";
1620
1621        /**
1622         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1623         * boolean (1 or 0).
1624         */
1625        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1626
1627        /**
1628         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1629         * boolean (1 or 0).
1630         */
1631        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1632
1633        /**
1634         * Whether live web suggestions while the user types into search dialogs are
1635         * enabled. Browsers and other search UIs should respect this, as it allows
1636         * a user to avoid sending partial queries to a search engine, if it poses
1637         * any privacy concern. The value is boolean (1 or 0).
1638         */
1639        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1640
1641        /**
1642         * Whether the notification LED should repeatedly flash when a notification is
1643         * pending. The value is boolean (1 or 0).
1644         * @hide
1645         */
1646        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1647
1648        /**
1649         * Show pointer location on screen?
1650         * 0 = no
1651         * 1 = yes
1652         * @hide
1653         */
1654        public static final String POINTER_LOCATION = "pointer_location";
1655
1656        /**
1657         * Whether to play a sound for low-battery alerts.
1658         * @hide
1659         */
1660        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1661
1662        /**
1663         * Whether to play a sound for dock events.
1664         * @hide
1665         */
1666        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1667
1668        /**
1669         * Whether to play sounds when the keyguard is shown and dismissed.
1670         * @hide
1671         */
1672        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1673
1674        /**
1675         * URI for the low battery sound file.
1676         * @hide
1677         */
1678        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1679
1680        /**
1681         * URI for the desk dock "in" event sound.
1682         * @hide
1683         */
1684        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1685
1686        /**
1687         * URI for the desk dock "out" event sound.
1688         * @hide
1689         */
1690        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1691
1692        /**
1693         * URI for the car dock "in" event sound.
1694         * @hide
1695         */
1696        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1697
1698        /**
1699         * URI for the car dock "out" event sound.
1700         * @hide
1701         */
1702        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1703
1704        /**
1705         * URI for the "device locked" (keyguard shown) sound.
1706         * @hide
1707         */
1708        public static final String LOCK_SOUND = "lock_sound";
1709
1710        /**
1711         * URI for the "device unlocked" (keyguard dismissed) sound.
1712         * @hide
1713         */
1714        public static final String UNLOCK_SOUND = "unlock_sound";
1715
1716        /**
1717         * Receive incoming SIP calls?
1718         * 0 = no
1719         * 1 = yes
1720         * @hide
1721         */
1722        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1723
1724        /**
1725         * Call Preference String.
1726         * "SIP_ALWAYS" : Always use SIP with network access
1727         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1728         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1729         * @hide
1730         */
1731        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1732
1733        /**
1734         * One of the sip call options: Always use SIP with network access.
1735         * @hide
1736         */
1737        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1738
1739        /**
1740         * One of the sip call options: Only if destination is a SIP address.
1741         * @hide
1742         */
1743        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1744
1745        /**
1746         * One of the sip call options: Always ask me each time.
1747         * @hide
1748         */
1749        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1750
1751        /**
1752         * Settings to backup. This is here so that it's in the same place as the settings
1753         * keys and easy to update.
1754         * @hide
1755         */
1756        public static final String[] SETTINGS_TO_BACKUP = {
1757            STAY_ON_WHILE_PLUGGED_IN,
1758            WIFI_SLEEP_POLICY,
1759            WIFI_USE_STATIC_IP,
1760            WIFI_STATIC_IP,
1761            WIFI_STATIC_GATEWAY,
1762            WIFI_STATIC_NETMASK,
1763            WIFI_STATIC_DNS1,
1764            WIFI_STATIC_DNS2,
1765            BLUETOOTH_DISCOVERABILITY,
1766            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1767            DIM_SCREEN,
1768            SCREEN_OFF_TIMEOUT,
1769            SCREEN_BRIGHTNESS,
1770            SCREEN_BRIGHTNESS_MODE,
1771            VIBRATE_ON,
1772            NOTIFICATIONS_USE_RING_VOLUME,
1773            MODE_RINGER,
1774            MODE_RINGER_STREAMS_AFFECTED,
1775            MUTE_STREAMS_AFFECTED,
1776            VOLUME_VOICE,
1777            VOLUME_SYSTEM,
1778            VOLUME_RING,
1779            VOLUME_MUSIC,
1780            VOLUME_ALARM,
1781            VOLUME_NOTIFICATION,
1782            VOLUME_BLUETOOTH_SCO,
1783            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1784            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1785            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1786            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1787            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1788            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1789            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1790            VIBRATE_IN_SILENT,
1791            TEXT_AUTO_REPLACE,
1792            TEXT_AUTO_CAPS,
1793            TEXT_AUTO_PUNCTUATE,
1794            TEXT_SHOW_PASSWORD,
1795            AUTO_TIME,
1796            TIME_12_24,
1797            DATE_FORMAT,
1798            ACCELEROMETER_ROTATION,
1799            DTMF_TONE_WHEN_DIALING,
1800            DTMF_TONE_TYPE_WHEN_DIALING,
1801            EMERGENCY_TONE,
1802            CALL_AUTO_RETRY,
1803            HEARING_AID,
1804            TTY_MODE,
1805            SOUND_EFFECTS_ENABLED,
1806            HAPTIC_FEEDBACK_ENABLED,
1807            POWER_SOUNDS_ENABLED,
1808            DOCK_SOUNDS_ENABLED,
1809            LOCKSCREEN_SOUNDS_ENABLED,
1810            SHOW_WEB_SUGGESTIONS,
1811            NOTIFICATION_LIGHT_PULSE,
1812            SIP_CALL_OPTIONS,
1813            SIP_RECEIVE_CALLS,
1814        };
1815
1816        // Settings moved to Settings.Secure
1817
1818        /**
1819         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1820         * instead
1821         */
1822        @Deprecated
1823        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1824
1825        /**
1826         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1827         */
1828        @Deprecated
1829        public static final String ANDROID_ID = Secure.ANDROID_ID;
1830
1831        /**
1832         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1833         */
1834        @Deprecated
1835        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1836
1837        /**
1838         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1839         */
1840        @Deprecated
1841        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1842
1843        /**
1844         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1845         */
1846        @Deprecated
1847        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1848
1849        /**
1850         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1851         */
1852        @Deprecated
1853        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1854
1855        /**
1856         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1857         */
1858        @Deprecated
1859        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1860
1861        /**
1862         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1863         * instead
1864         */
1865        @Deprecated
1866        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1867
1868        /**
1869         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1870         */
1871        @Deprecated
1872        public static final String LOGGING_ID = Secure.LOGGING_ID;
1873
1874        /**
1875         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1876         */
1877        @Deprecated
1878        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1879
1880        /**
1881         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1882         * instead
1883         */
1884        @Deprecated
1885        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1886
1887        /**
1888         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1889         * instead
1890         */
1891        @Deprecated
1892        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1893
1894        /**
1895         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1896         * instead
1897         */
1898        @Deprecated
1899        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1900            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1901
1902        /**
1903         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1904         */
1905        @Deprecated
1906        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1907
1908        /**
1909         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1910         */
1911        @Deprecated
1912        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1913
1914        /**
1915         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1916         */
1917        @Deprecated
1918        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1919
1920       /**
1921         * @deprecated Use
1922         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1923         */
1924        @Deprecated
1925        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1926
1927        /**
1928         * @deprecated Use
1929         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1930         */
1931        @Deprecated
1932        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1933                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1934
1935        /**
1936         * @deprecated Use
1937         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1938         */
1939        @Deprecated
1940        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1941            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1942
1943        /**
1944         * @deprecated Use
1945         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1946         */
1947        @Deprecated
1948        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1949            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1950
1951        /**
1952         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1953         * instead
1954         */
1955        @Deprecated
1956        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1957
1958        /**
1959         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1960         */
1961        @Deprecated
1962        public static final String WIFI_ON = Secure.WIFI_ON;
1963
1964        /**
1965         * @deprecated Use
1966         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1967         * instead
1968         */
1969        @Deprecated
1970        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1971                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1972
1973        /**
1974         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1975         */
1976        @Deprecated
1977        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1978
1979        /**
1980         * @deprecated Use
1981         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1982         */
1983        @Deprecated
1984        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1985                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1986
1987        /**
1988         * @deprecated Use
1989         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1990         */
1991        @Deprecated
1992        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1993                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1994
1995        /**
1996         * @deprecated Use
1997         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1998         * instead
1999         */
2000        @Deprecated
2001        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2002                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2003
2004        /**
2005         * @deprecated Use
2006         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2007         */
2008        @Deprecated
2009        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2010            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2011
2012        /**
2013         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2014         * instead
2015         */
2016        @Deprecated
2017        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2018
2019        /**
2020         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2021         */
2022        @Deprecated
2023        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2024
2025        /**
2026         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2027         */
2028        @Deprecated
2029        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2030
2031        /**
2032         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2033         * instead
2034         */
2035        @Deprecated
2036        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2037
2038        /**
2039         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2040         * instead
2041         */
2042        @Deprecated
2043        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2044            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2045    }
2046
2047    /**
2048     * Secure system settings, containing system preferences that applications
2049     * can read but are not allowed to write.  These are for preferences that
2050     * the user must explicitly modify through the system UI or specialized
2051     * APIs for those values, not modified directly by applications.
2052     */
2053    public static final class Secure extends NameValueTable {
2054        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2055
2056        // Populated lazily, guarded by class object:
2057        private static NameValueCache sNameValueCache = null;
2058
2059        /**
2060         * Look up a name in the database.
2061         * @param resolver to access the database with
2062         * @param name to look up in the table
2063         * @return the corresponding value, or null if not present
2064         */
2065        public synchronized static String getString(ContentResolver resolver, String name) {
2066            if (sNameValueCache == null) {
2067                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2068                                                     CALL_METHOD_GET_SECURE);
2069            }
2070            return sNameValueCache.getString(resolver, name);
2071        }
2072
2073        /**
2074         * Store a name/value pair into the database.
2075         * @param resolver to access the database with
2076         * @param name to store
2077         * @param value to associate with the name
2078         * @return true if the value was set, false on database errors
2079         */
2080        public static boolean putString(ContentResolver resolver,
2081                String name, String value) {
2082            return putString(resolver, CONTENT_URI, name, value);
2083        }
2084
2085        /**
2086         * Construct the content URI for a particular name/value pair,
2087         * useful for monitoring changes with a ContentObserver.
2088         * @param name to look up in the table
2089         * @return the corresponding content URI, or null if not present
2090         */
2091        public static Uri getUriFor(String name) {
2092            return getUriFor(CONTENT_URI, name);
2093        }
2094
2095        /**
2096         * Convenience function for retrieving a single secure settings value
2097         * as an integer.  Note that internally setting values are always
2098         * stored as strings; this function converts the string to an integer
2099         * for you.  The default value will be returned if the setting is
2100         * not defined or not an integer.
2101         *
2102         * @param cr The ContentResolver to access.
2103         * @param name The name of the setting to retrieve.
2104         * @param def Value to return if the setting is not defined.
2105         *
2106         * @return The setting's current value, or 'def' if it is not defined
2107         * or not a valid integer.
2108         */
2109        public static int getInt(ContentResolver cr, String name, int def) {
2110            String v = getString(cr, name);
2111            try {
2112                return v != null ? Integer.parseInt(v) : def;
2113            } catch (NumberFormatException e) {
2114                return def;
2115            }
2116        }
2117
2118        /**
2119         * Convenience function for retrieving a single secure settings value
2120         * as an integer.  Note that internally setting values are always
2121         * stored as strings; this function converts the string to an integer
2122         * for you.
2123         * <p>
2124         * This version does not take a default value.  If the setting has not
2125         * been set, or the string value is not a number,
2126         * it throws {@link SettingNotFoundException}.
2127         *
2128         * @param cr The ContentResolver to access.
2129         * @param name The name of the setting to retrieve.
2130         *
2131         * @throws SettingNotFoundException Thrown if a setting by the given
2132         * name can't be found or the setting value is not an integer.
2133         *
2134         * @return The setting's current value.
2135         */
2136        public static int getInt(ContentResolver cr, String name)
2137                throws SettingNotFoundException {
2138            String v = getString(cr, name);
2139            try {
2140                return Integer.parseInt(v);
2141            } catch (NumberFormatException e) {
2142                throw new SettingNotFoundException(name);
2143            }
2144        }
2145
2146        /**
2147         * Convenience function for updating a single settings value as an
2148         * integer. This will either create a new entry in the table if the
2149         * given name does not exist, or modify the value of the existing row
2150         * with that name.  Note that internally setting values are always
2151         * stored as strings, so this function converts the given value to a
2152         * string before storing it.
2153         *
2154         * @param cr The ContentResolver to access.
2155         * @param name The name of the setting to modify.
2156         * @param value The new value for the setting.
2157         * @return true if the value was set, false on database errors
2158         */
2159        public static boolean putInt(ContentResolver cr, String name, int value) {
2160            return putString(cr, name, Integer.toString(value));
2161        }
2162
2163        /**
2164         * Convenience function for retrieving a single secure settings value
2165         * as a {@code long}.  Note that internally setting values are always
2166         * stored as strings; this function converts the string to a {@code long}
2167         * for you.  The default value will be returned if the setting is
2168         * not defined or not a {@code long}.
2169         *
2170         * @param cr The ContentResolver to access.
2171         * @param name The name of the setting to retrieve.
2172         * @param def Value to return if the setting is not defined.
2173         *
2174         * @return The setting's current value, or 'def' if it is not defined
2175         * or not a valid {@code long}.
2176         */
2177        public static long getLong(ContentResolver cr, String name, long def) {
2178            String valString = getString(cr, name);
2179            long value;
2180            try {
2181                value = valString != null ? Long.parseLong(valString) : def;
2182            } catch (NumberFormatException e) {
2183                value = def;
2184            }
2185            return value;
2186        }
2187
2188        /**
2189         * Convenience function for retrieving a single secure settings value
2190         * as a {@code long}.  Note that internally setting values are always
2191         * stored as strings; this function converts the string to a {@code long}
2192         * for you.
2193         * <p>
2194         * This version does not take a default value.  If the setting has not
2195         * been set, or the string value is not a number,
2196         * it throws {@link SettingNotFoundException}.
2197         *
2198         * @param cr The ContentResolver to access.
2199         * @param name The name of the setting to retrieve.
2200         *
2201         * @return The setting's current value.
2202         * @throws SettingNotFoundException Thrown if a setting by the given
2203         * name can't be found or the setting value is not an integer.
2204         */
2205        public static long getLong(ContentResolver cr, String name)
2206                throws SettingNotFoundException {
2207            String valString = getString(cr, name);
2208            try {
2209                return Long.parseLong(valString);
2210            } catch (NumberFormatException e) {
2211                throw new SettingNotFoundException(name);
2212            }
2213        }
2214
2215        /**
2216         * Convenience function for updating a secure settings value as a long
2217         * integer. This will either create a new entry in the table if the
2218         * given name does not exist, or modify the value of the existing row
2219         * with that name.  Note that internally setting values are always
2220         * stored as strings, so this function converts the given value to a
2221         * string before storing it.
2222         *
2223         * @param cr The ContentResolver to access.
2224         * @param name The name of the setting to modify.
2225         * @param value The new value for the setting.
2226         * @return true if the value was set, false on database errors
2227         */
2228        public static boolean putLong(ContentResolver cr, String name, long value) {
2229            return putString(cr, name, Long.toString(value));
2230        }
2231
2232        /**
2233         * Convenience function for retrieving a single secure settings value
2234         * as a floating point number.  Note that internally setting values are
2235         * always stored as strings; this function converts the string to an
2236         * float for you. The default value will be returned if the setting
2237         * is not defined or not a valid float.
2238         *
2239         * @param cr The ContentResolver to access.
2240         * @param name The name of the setting to retrieve.
2241         * @param def Value to return if the setting is not defined.
2242         *
2243         * @return The setting's current value, or 'def' if it is not defined
2244         * or not a valid float.
2245         */
2246        public static float getFloat(ContentResolver cr, String name, float def) {
2247            String v = getString(cr, name);
2248            try {
2249                return v != null ? Float.parseFloat(v) : def;
2250            } catch (NumberFormatException e) {
2251                return def;
2252            }
2253        }
2254
2255        /**
2256         * Convenience function for retrieving a single secure settings value
2257         * as a float.  Note that internally setting values are always
2258         * stored as strings; this function converts the string to a float
2259         * for you.
2260         * <p>
2261         * This version does not take a default value.  If the setting has not
2262         * been set, or the string value is not a number,
2263         * it throws {@link SettingNotFoundException}.
2264         *
2265         * @param cr The ContentResolver to access.
2266         * @param name The name of the setting to retrieve.
2267         *
2268         * @throws SettingNotFoundException Thrown if a setting by the given
2269         * name can't be found or the setting value is not a float.
2270         *
2271         * @return The setting's current value.
2272         */
2273        public static float getFloat(ContentResolver cr, String name)
2274                throws SettingNotFoundException {
2275            String v = getString(cr, name);
2276            try {
2277                return Float.parseFloat(v);
2278            } catch (NumberFormatException e) {
2279                throw new SettingNotFoundException(name);
2280            }
2281        }
2282
2283        /**
2284         * Convenience function for updating a single settings value as a
2285         * floating point number. This will either create a new entry in the
2286         * table if the given name does not exist, or modify the value of the
2287         * existing row with that name.  Note that internally setting values
2288         * are always stored as strings, so this function converts the given
2289         * value to a string before storing it.
2290         *
2291         * @param cr The ContentResolver to access.
2292         * @param name The name of the setting to modify.
2293         * @param value The new value for the setting.
2294         * @return true if the value was set, false on database errors
2295         */
2296        public static boolean putFloat(ContentResolver cr, String name, float value) {
2297            return putString(cr, name, Float.toString(value));
2298        }
2299
2300        /**
2301         * The content:// style URL for this table
2302         */
2303        public static final Uri CONTENT_URI =
2304            Uri.parse("content://" + AUTHORITY + "/secure");
2305
2306        /**
2307         * Whether ADB is enabled.
2308         */
2309        public static final String ADB_ENABLED = "adb_enabled";
2310
2311        /**
2312         * Setting to allow mock locations and location provider status to be injected into the
2313         * LocationManager service for testing purposes during application development.  These
2314         * locations and status values  override actual location and status information generated
2315         * by network, gps, or other location providers.
2316         */
2317        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2318
2319        /**
2320         * A 64-bit number (as a hex string) that is randomly
2321         * generated on the device's first boot and should remain
2322         * constant for the lifetime of the device.  (The value may
2323         * change if a factory reset is performed on the device.)
2324         */
2325        public static final String ANDROID_ID = "android_id";
2326
2327        /**
2328         * Whether bluetooth is enabled/disabled
2329         * 0=disabled. 1=enabled.
2330         */
2331        public static final String BLUETOOTH_ON = "bluetooth_on";
2332
2333        /**
2334         * Get the key that retrieves a bluetooth headset's priority.
2335         * @hide
2336         */
2337        public static final String getBluetoothHeadsetPriorityKey(String address) {
2338            return ("bluetooth_headset_priority_" + address.toUpperCase());
2339        }
2340
2341        /**
2342         * Get the key that retrieves a bluetooth a2dp sink's priority.
2343         * @hide
2344         */
2345        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2346            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2347        }
2348
2349        /**
2350         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2351         */
2352        public static final String DATA_ROAMING = "data_roaming";
2353
2354        /**
2355         * Setting to record the input method used by default, holding the ID
2356         * of the desired method.
2357         */
2358        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2359
2360        /**
2361         * Whether the device has been provisioned (0 = false, 1 = true)
2362         */
2363        public static final String DEVICE_PROVISIONED = "device_provisioned";
2364
2365        /**
2366         * List of input methods that are currently enabled.  This is a string
2367         * containing the IDs of all enabled input methods, each ID separated
2368         * by ':'.
2369         */
2370        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2371
2372        /**
2373         * List of system input methods that are currently disabled.  This is a string
2374         * containing the IDs of all disabled input methods, each ID separated
2375         * by ':'.
2376         * @hide
2377         */
2378        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2379
2380        /**
2381         * Host name and port for a user-selected proxy.
2382         */
2383        public static final String HTTP_PROXY = "http_proxy";
2384
2385        /**
2386         * Whether the package installer should allow installation of apps downloaded from
2387         * sources other than the Android Market (vending machine).
2388         *
2389         * 1 = allow installing from other sources
2390         * 0 = only allow installing from the Android Market
2391         */
2392        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2393
2394        /**
2395         * Comma-separated list of location providers that activities may access.
2396         */
2397        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2398
2399        /**
2400         * Whether autolock is enabled (0 = false, 1 = true)
2401         */
2402        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2403
2404        /**
2405         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2406         */
2407        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2408
2409        /**
2410         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2411         */
2412        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2413            "lock_pattern_tactile_feedback_enabled";
2414
2415        /**
2416         * Whether assisted GPS should be enabled or not.
2417         * @hide
2418         */
2419        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2420
2421        /**
2422         * The Logging ID (a unique 64-bit value) as a hex string.
2423         * Used as a pseudonymous identifier for logging.
2424         * @deprecated This identifier is poorly initialized and has
2425         * many collisions.  It should not be used.
2426         */
2427        @Deprecated
2428        public static final String LOGGING_ID = "logging_id";
2429
2430        /**
2431         * User preference for which network(s) should be used. Only the
2432         * connectivity service should touch this.
2433         */
2434        public static final String NETWORK_PREFERENCE = "network_preference";
2435
2436        /**
2437         * Used to disable Tethering on a device - defaults to true
2438         * @hide
2439         */
2440        public static final String TETHER_SUPPORTED = "tether_supported";
2441
2442        /**
2443         * Used to require DUN APN on the device or not - defaults to a build config value
2444         * which defaults to false
2445         * @hide
2446         */
2447        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2448
2449        /**
2450         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2451         * corresponding build config values are set it will override the APN DB
2452         * values.
2453         * Consists of a comma seperated list of strings:
2454         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2455         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2456         * @hide
2457         */
2458        public static final String TETHER_DUN_APN = "tether_dun_apn";
2459
2460        /**
2461         * No longer supported.
2462         */
2463        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2464
2465        /**
2466         * No longer supported.
2467         */
2468        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2469
2470        /**
2471         * No longer supported.
2472         */
2473        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2474
2475        /**
2476         * Settings classname to launch when Settings is clicked from All
2477         * Applications.  Needed because of user testing between the old
2478         * and new Settings apps.
2479         */
2480        // TODO: 881807
2481        public static final String SETTINGS_CLASSNAME = "settings_classname";
2482
2483        /**
2484         * USB Mass Storage Enabled
2485         */
2486        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2487
2488        /**
2489         * If this setting is set (to anything), then all references
2490         * to Gmail on the device must change to Google Mail.
2491         */
2492        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2493
2494        /**
2495         * If accessibility is enabled.
2496         */
2497        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2498
2499        /**
2500         * List of the enabled accessibility providers.
2501         */
2502        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2503            "enabled_accessibility_services";
2504
2505        /**
2506         * Setting to always use the default text-to-speech settings regardless
2507         * of the application settings.
2508         * 1 = override application settings,
2509         * 0 = use application settings (if specified).
2510         */
2511        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2512
2513        /**
2514         * Default text-to-speech engine speech rate. 100 = 1x
2515         */
2516        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2517
2518        /**
2519         * Default text-to-speech engine pitch. 100 = 1x
2520         */
2521        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2522
2523        /**
2524         * Default text-to-speech engine.
2525         */
2526        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2527
2528        /**
2529         * Default text-to-speech language.
2530         */
2531        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2532
2533        /**
2534         * Default text-to-speech country.
2535         */
2536        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2537
2538        /**
2539         * Default text-to-speech locale variant.
2540         */
2541        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2542
2543        /**
2544         * Space delimited list of plugin packages that are enabled.
2545         */
2546        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2547
2548        /**
2549         * Whether to notify the user of open networks.
2550         * <p>
2551         * If not connected and the scan results have an open network, we will
2552         * put this notification up. If we attempt to connect to a network or
2553         * the open network(s) disappear, we remove the notification. When we
2554         * show the notification, we will not show it again for
2555         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2556         */
2557        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2558                "wifi_networks_available_notification_on";
2559
2560        /**
2561         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2562         * Connecting to a network will reset the timer.
2563         */
2564        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2565                "wifi_networks_available_repeat_delay";
2566
2567        /**
2568         * Whether to nofity the user of WiMAX network.
2569         * If WiMAX is connected or disconnected, we will put this notification up.
2570         * @hide
2571         */
2572        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2573                "wimax_networks_available_notification_on";
2574
2575        /**
2576         * The number of radio channels that are allowed in the local
2577         * 802.11 regulatory domain.
2578         * @hide
2579         */
2580        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2581
2582        /**
2583         * When the number of open networks exceeds this number, the
2584         * least-recently-used excess networks will be removed.
2585         */
2586        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2587
2588        /**
2589         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2590         */
2591        public static final String WIFI_ON = "wifi_on";
2592
2593        /**
2594         * Used to save the Wifi_ON state prior to tethering.
2595         * This state will be checked to restore Wifi after
2596         * the user turns off tethering.
2597         *
2598         * @hide
2599         */
2600        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2601
2602        /**
2603         * The acceptable packet loss percentage (range 0 - 100) before trying
2604         * another AP on the same network.
2605         */
2606        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2607                "wifi_watchdog_acceptable_packet_loss_percentage";
2608
2609        /**
2610         * The number of access points required for a network in order for the
2611         * watchdog to monitor it.
2612         */
2613        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2614
2615        /**
2616         * The delay between background checks.
2617         */
2618        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2619                "wifi_watchdog_background_check_delay_ms";
2620
2621        /**
2622         * Whether the Wi-Fi watchdog is enabled for background checking even
2623         * after it thinks the user has connected to a good access point.
2624         */
2625        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2626                "wifi_watchdog_background_check_enabled";
2627
2628        /**
2629         * The timeout for a background ping
2630         */
2631        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2632                "wifi_watchdog_background_check_timeout_ms";
2633
2634        /**
2635         * The number of initial pings to perform that *may* be ignored if they
2636         * fail. Again, if these fail, they will *not* be used in packet loss
2637         * calculation. For example, one network always seemed to time out for
2638         * the first couple pings, so this is set to 3 by default.
2639         */
2640        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2641            "wifi_watchdog_initial_ignored_ping_count";
2642
2643        /**
2644         * The maximum number of access points (per network) to attempt to test.
2645         * If this number is reached, the watchdog will no longer monitor the
2646         * initial connection state for the network. This is a safeguard for
2647         * networks containing multiple APs whose DNS does not respond to pings.
2648         */
2649        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2650
2651        /**
2652         * Whether the Wi-Fi watchdog is enabled.
2653         */
2654        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2655
2656        /**
2657         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2658         */
2659        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2660
2661        /**
2662         * The number of pings to test if an access point is a good connection.
2663         */
2664        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2665
2666        /**
2667         * The delay between pings.
2668         */
2669        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2670
2671        /**
2672         * The timeout per ping.
2673         */
2674        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2675
2676        /**
2677         * The maximum number of times we will retry a connection to an access
2678         * point for which we have failed in acquiring an IP address from DHCP.
2679         * A value of N means that we will make N+1 connection attempts in all.
2680         */
2681        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2682
2683        /**
2684         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2685         * data connectivity to be established after a disconnect from Wi-Fi.
2686         */
2687        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2688            "wifi_mobile_data_transition_wakelock_timeout_ms";
2689
2690        /**
2691         * Whether the Wimax should be on.  Only the WiMAX service should touch this.
2692         * @hide
2693         */
2694        public static final String WIMAX_ON = "wimax_on";
2695
2696        /**
2697         * Whether background data usage is allowed by the user. See
2698         * ConnectivityManager for more info.
2699         */
2700        public static final String BACKGROUND_DATA = "background_data";
2701
2702        /**
2703         * Origins for which browsers should allow geolocation by default.
2704         * The value is a space-separated list of origins.
2705         */
2706        public static final String ALLOWED_GEOLOCATION_ORIGINS
2707                = "allowed_geolocation_origins";
2708
2709        /**
2710         * Whether mobile data connections are allowed by the user.  See
2711         * ConnectivityManager for more info.
2712         * @hide
2713         */
2714        public static final String MOBILE_DATA = "mobile_data";
2715
2716        /**
2717         * The CDMA roaming mode 0 = Home Networks, CDMA default
2718         *                       1 = Roaming on Affiliated networks
2719         *                       2 = Roaming on any networks
2720         * @hide
2721         */
2722        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2723
2724        /**
2725         * The CDMA subscription mode 0 = RUIM/SIM (default)
2726         *                                1 = NV
2727         * @hide
2728         */
2729        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2730
2731        /**
2732         * The preferred network mode   7 = Global
2733         *                              6 = EvDo only
2734         *                              5 = CDMA w/o EvDo
2735         *                              4 = CDMA / EvDo auto
2736         *                              3 = GSM / WCDMA auto
2737         *                              2 = WCDMA only
2738         *                              1 = GSM only
2739         *                              0 = GSM / WCDMA preferred
2740         * @hide
2741         */
2742        public static final String PREFERRED_NETWORK_MODE =
2743                "preferred_network_mode";
2744
2745        /**
2746         * The preferred TTY mode     0 = TTy Off, CDMA default
2747         *                            1 = TTY Full
2748         *                            2 = TTY HCO
2749         *                            3 = TTY VCO
2750         * @hide
2751         */
2752        public static final String PREFERRED_TTY_MODE =
2753                "preferred_tty_mode";
2754
2755
2756        /**
2757         * CDMA Cell Broadcast SMS
2758         *                            0 = CDMA Cell Broadcast SMS disabled
2759         *                            1 = CDMA Cell Broadcast SMS enabled
2760         * @hide
2761         */
2762        public static final String CDMA_CELL_BROADCAST_SMS =
2763                "cdma_cell_broadcast_sms";
2764
2765        /**
2766         * The cdma subscription 0 = Subscription from RUIM, when available
2767         *                       1 = Subscription from NV
2768         * @hide
2769         */
2770        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2771                "preferred_cdma_subscription";
2772
2773        /**
2774         * Whether the enhanced voice privacy mode is enabled.
2775         * 0 = normal voice privacy
2776         * 1 = enhanced voice privacy
2777         * @hide
2778         */
2779        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2780
2781        /**
2782         * Whether the TTY mode mode is enabled.
2783         * 0 = disabled
2784         * 1 = enabled
2785         * @hide
2786         */
2787        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2788
2789        /**
2790         * Controls whether settings backup is enabled.
2791         * Type: int ( 0 = disabled, 1 = enabled )
2792         * @hide
2793         */
2794        public static final String BACKUP_ENABLED = "backup_enabled";
2795
2796        /**
2797         * Controls whether application data is automatically restored from backup
2798         * at install time.
2799         * Type: int ( 0 = disabled, 1 = enabled )
2800         * @hide
2801         */
2802        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2803
2804        /**
2805         * Indicates whether settings backup has been fully provisioned.
2806         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2807         * @hide
2808         */
2809        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2810
2811        /**
2812         * Component of the transport to use for backup/restore.
2813         * @hide
2814         */
2815        public static final String BACKUP_TRANSPORT = "backup_transport";
2816
2817        /**
2818         * Version for which the setup wizard was last shown.  Bumped for
2819         * each release when there is new setup information to show.
2820         * @hide
2821         */
2822        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2823
2824        /**
2825         * How frequently (in seconds) to check the memory status of the
2826         * device.
2827         * @hide
2828         */
2829        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2830
2831        /**
2832         * Max frequency (in seconds) to log memory check stats, in realtime
2833         * seconds.  This allows for throttling of logs when the device is
2834         * running for large amounts of time.
2835         * @hide
2836         */
2837        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2838                "memcheck_log_realtime_interval";
2839
2840        /**
2841         * Boolean indicating whether rebooting due to system memory checks
2842         * is enabled.
2843         * @hide
2844         */
2845        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2846
2847        /**
2848         * How many bytes the system process must be below to avoid scheduling
2849         * a soft reboot.  This reboot will happen when it is next determined
2850         * to be a good time.
2851         * @hide
2852         */
2853        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2854
2855        /**
2856         * How many bytes the system process must be below to avoid scheduling
2857         * a hard reboot.  This reboot will happen immediately.
2858         * @hide
2859         */
2860        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2861
2862        /**
2863         * How many bytes the phone process must be below to avoid scheduling
2864         * a soft restart.  This restart will happen when it is next determined
2865         * to be a good time.
2866         * @hide
2867         */
2868        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2869
2870        /**
2871         * How many bytes the phone process must be below to avoid scheduling
2872         * a hard restart.  This restart will happen immediately.
2873         * @hide
2874         */
2875        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2876
2877        /**
2878         * Boolean indicating whether restarting the phone process due to
2879         * memory checks is enabled.
2880         * @hide
2881         */
2882        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2883
2884        /**
2885         * First time during the day it is okay to kill processes
2886         * or reboot the device due to low memory situations.  This number is
2887         * in seconds since midnight.
2888         * @hide
2889         */
2890        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2891
2892        /**
2893         * Last time during the day it is okay to kill processes
2894         * or reboot the device due to low memory situations.  This number is
2895         * in seconds since midnight.
2896         * @hide
2897         */
2898        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2899
2900        /**
2901         * How long the screen must have been off in order to kill processes
2902         * or reboot.  This number is in seconds.  A value of -1 means to
2903         * entirely disregard whether the screen is on.
2904         * @hide
2905         */
2906        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2907
2908        /**
2909         * How much time there must be until the next alarm in order to kill processes
2910         * or reboot.  This number is in seconds.  Note: this value must be
2911         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2912         * always see an alarm scheduled within its time.
2913         * @hide
2914         */
2915        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2916
2917        /**
2918         * How frequently to check whether it is a good time to restart things,
2919         * if the device is in a bad state.  This number is in seconds.  Note:
2920         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2921         * the alarm to schedule the recheck will always appear within the
2922         * minimum "do not execute now" time.
2923         * @hide
2924         */
2925        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2926
2927        /**
2928         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2929         * will occur.
2930         * @hide
2931         */
2932        public static final String REBOOT_INTERVAL = "reboot_interval";
2933
2934        /**
2935         * First time during the day it is okay to force a reboot of the
2936         * device (if REBOOT_INTERVAL is set).  This number is
2937         * in seconds since midnight.
2938         * @hide
2939         */
2940        public static final String REBOOT_START_TIME = "reboot_start_time";
2941
2942        /**
2943         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2944         * a reboot can be executed.  If 0, a reboot will always be executed at
2945         * exactly the given time.  Otherwise, it will only be executed if
2946         * the device is idle within the window.
2947         * @hide
2948         */
2949        public static final String REBOOT_WINDOW = "reboot_window";
2950
2951        /**
2952         * Threshold values for the duration and level of a discharge cycle, under
2953         * which we log discharge cycle info.
2954         * @hide
2955         */
2956        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
2957                "battery_discharge_duration_threshold";
2958        /** @hide */
2959        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
2960
2961        /**
2962         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
2963         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
2964         * will never display the "Report" button.
2965         * Type: int ( 0 = disallow, 1 = allow )
2966         * @hide
2967         */
2968        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
2969
2970        /**
2971         * Nonzero causes Log.wtf() to crash.
2972         * @hide
2973         */
2974        public static final String WTF_IS_FATAL = "wtf_is_fatal";
2975
2976        /**
2977         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
2978         * @hide
2979         */
2980        public static final String DROPBOX_AGE_SECONDS =
2981                "dropbox_age_seconds";
2982        /**
2983         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
2984         * @hide
2985         */
2986        public static final String DROPBOX_MAX_FILES =
2987                "dropbox_max_files";
2988        /**
2989         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
2990         * @hide
2991         */
2992        public static final String DROPBOX_QUOTA_KB =
2993                "dropbox_quota_kb";
2994        /**
2995         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
2996         * @hide
2997         */
2998        public static final String DROPBOX_QUOTA_PERCENT =
2999                "dropbox_quota_percent";
3000        /**
3001         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3002         * @hide
3003         */
3004        public static final String DROPBOX_RESERVE_PERCENT =
3005                "dropbox_reserve_percent";
3006        /**
3007         * Prefix for per-tag dropbox disable/enable settings.
3008         * @hide
3009         */
3010        public static final String DROPBOX_TAG_PREFIX =
3011                "dropbox:";
3012        /**
3013         * Lines of logcat to include with system crash/ANR/etc. reports,
3014         * as a prefix of the dropbox tag of the report type.
3015         * For example, "logcat_for_system_server_anr" controls the lines
3016         * of logcat captured with system server ANR reports.  0 to disable.
3017         * @hide
3018         */
3019        public static final String ERROR_LOGCAT_PREFIX =
3020                "logcat_for_";
3021
3022
3023        /**
3024         * Screen timeout in milliseconds corresponding to the
3025         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3026         * possible screen timeout behavior.)
3027         * @hide
3028         */
3029        public static final String SHORT_KEYLIGHT_DELAY_MS =
3030                "short_keylight_delay_ms";
3031
3032        /**
3033         * The interval in minutes after which the amount of free storage left on the
3034         * device is logged to the event log
3035         * @hide
3036         */
3037        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3038                "sys_free_storage_log_interval";
3039
3040        /**
3041         * Threshold for the amount of change in disk free space required to report the amount of
3042         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3043         * frequently.
3044         * @hide
3045         */
3046        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3047                "disk_free_change_reporting_threshold";
3048
3049
3050        /**
3051         * Minimum percentage of free storage on the device that is used to determine if
3052         * the device is running low on storage.
3053         * Say this value is set to 10, the device is considered running low on storage
3054         * if 90% or more of the device storage is filled up.
3055         * @hide
3056         */
3057        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3058                "sys_storage_threshold_percentage";
3059
3060        /**
3061         * Minimum bytes of free storage on the device before the data
3062         * partition is considered full. By default, 1 MB is reserved
3063         * to avoid system-wide SQLite disk full exceptions.
3064         * @hide
3065         */
3066        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3067                "sys_storage_full_threshold_bytes";
3068
3069        /**
3070         * The interval in milliseconds after which Wi-Fi is considered idle.
3071         * When idle, it is possible for the device to be switched from Wi-Fi to
3072         * the mobile data network.
3073         * @hide
3074         */
3075        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3076
3077        /**
3078         * The interval in milliseconds at which to check packet counts on the
3079         * mobile data interface when screen is on, to detect possible data
3080         * connection problems.
3081         * @hide
3082         */
3083        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3084                "pdp_watchdog_poll_interval_ms";
3085
3086        /**
3087         * The interval in milliseconds at which to check packet counts on the
3088         * mobile data interface when screen is off, to detect possible data
3089         * connection problems.
3090         * @hide
3091         */
3092        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3093                "pdp_watchdog_long_poll_interval_ms";
3094
3095        /**
3096         * The interval in milliseconds at which to check packet counts on the
3097         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3098         * outgoing packets has been reached without incoming packets.
3099         * @hide
3100         */
3101        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3102                "pdp_watchdog_error_poll_interval_ms";
3103
3104        /**
3105         * The number of outgoing packets sent without seeing an incoming packet
3106         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3107         * device is logged to the event log
3108         * @hide
3109         */
3110        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3111                "pdp_watchdog_trigger_packet_count";
3112
3113        /**
3114         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3115         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3116         * attempting data connection recovery.
3117         * @hide
3118         */
3119        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3120                "pdp_watchdog_error_poll_count";
3121
3122        /**
3123         * The number of failed PDP reset attempts before moving to something more
3124         * drastic: re-registering to the network.
3125         * @hide
3126         */
3127        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3128                "pdp_watchdog_max_pdp_reset_fail_count";
3129
3130        /**
3131         * Address to ping as a last sanity check before attempting any recovery.
3132         * Unset or set to "0.0.0.0" to skip this check.
3133         * @hide
3134         */
3135        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3136
3137        /**
3138         * The "-w deadline" parameter for the ping, ie, the max time in
3139         * seconds to spend pinging.
3140         * @hide
3141         */
3142        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3143
3144        /**
3145         * The interval in milliseconds at which to check gprs registration
3146         * after the first registration mismatch of gprs and voice service,
3147         * to detect possible data network registration problems.
3148         *
3149         * @hide
3150         */
3151        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3152                "gprs_register_check_period_ms";
3153
3154        /**
3155         * The length of time in milli-seconds that automatic small adjustments to
3156         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3157         * @hide
3158         */
3159        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3160
3161        /**
3162         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3163         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3164         * exceeded.
3165         * @hide
3166         */
3167        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3168
3169        /**
3170         * The maximum reconnect delay for short network outages or when the network is suspended
3171         * due to phone use.
3172         * @hide
3173         */
3174        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3175                "sync_max_retry_delay_in_seconds";
3176
3177        /**
3178         * The interval in milliseconds at which to check the number of SMS sent
3179         * out without asking for use permit, to limit the un-authorized SMS
3180         * usage.
3181         * @hide
3182         */
3183        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3184                "sms_outgoing_check_interval_ms";
3185
3186        /**
3187         * The number of outgoing SMS sent without asking for user permit
3188         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3189         * @hide
3190         */
3191        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3192                "sms_outgoing_check_max_count";
3193
3194        /**
3195         * The number of promoted sources in GlobalSearch.
3196         * @hide
3197         */
3198        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3199        /**
3200         * The maximum number of suggestions returned by GlobalSearch.
3201         * @hide
3202         */
3203        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3204        /**
3205         * The number of suggestions GlobalSearch will ask each non-web search source for.
3206         * @hide
3207         */
3208        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3209        /**
3210         * The number of suggestions the GlobalSearch will ask the web search source for.
3211         * @hide
3212         */
3213        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3214                "search_web_results_override_limit";
3215        /**
3216         * The number of milliseconds that GlobalSearch will wait for suggestions from
3217         * promoted sources before continuing with all other sources.
3218         * @hide
3219         */
3220        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3221                "search_promoted_source_deadline_millis";
3222        /**
3223         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3224         * @hide
3225         */
3226        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3227        /**
3228         * The maximum number of milliseconds that GlobalSearch shows the previous results
3229         * after receiving a new query.
3230         * @hide
3231         */
3232        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3233        /**
3234         * The maximum age of log data used for shortcuts in GlobalSearch.
3235         * @hide
3236         */
3237        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3238        /**
3239         * The maximum age of log data used for source ranking in GlobalSearch.
3240         * @hide
3241         */
3242        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3243                "search_max_source_event_age_millis";
3244        /**
3245         * The minimum number of impressions needed to rank a source in GlobalSearch.
3246         * @hide
3247         */
3248        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3249                "search_min_impressions_for_source_ranking";
3250        /**
3251         * The minimum number of clicks needed to rank a source in GlobalSearch.
3252         * @hide
3253         */
3254        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3255                "search_min_clicks_for_source_ranking";
3256        /**
3257         * The maximum number of shortcuts shown by GlobalSearch.
3258         * @hide
3259         */
3260        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3261        /**
3262         * The size of the core thread pool for suggestion queries in GlobalSearch.
3263         * @hide
3264         */
3265        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3266                "search_query_thread_core_pool_size";
3267        /**
3268         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3269         * @hide
3270         */
3271        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3272                "search_query_thread_max_pool_size";
3273        /**
3274         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3275         * @hide
3276         */
3277        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3278                "search_shortcut_refresh_core_pool_size";
3279        /**
3280         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3281         * @hide
3282         */
3283        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3284                "search_shortcut_refresh_max_pool_size";
3285        /**
3286         * The maximun time that excess threads in the GlobalSeach thread pools will
3287         * wait before terminating.
3288         * @hide
3289         */
3290        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3291                "search_thread_keepalive_seconds";
3292        /**
3293         * The maximum number of concurrent suggestion queries to each source.
3294         * @hide
3295         */
3296        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3297                "search_per_source_concurrent_query_limit";
3298
3299        /**
3300         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3301         * @hide
3302         */
3303        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3304
3305        /**
3306         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3307         * @hide
3308         */
3309        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3310
3311        /**
3312         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3313         * @hide
3314         */
3315        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3316
3317        /**
3318         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3319         * @hide
3320         */
3321        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3322
3323        /**
3324         * If nonzero, ANRs in invisible background processes bring up a dialog.
3325         * Otherwise, the process will be silently killed.
3326         * @hide
3327         */
3328        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3329
3330        /**
3331         * The {@link ComponentName} string of the service to be used as the voice recognition
3332         * service.
3333         *
3334         * @hide
3335         */
3336        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3337
3338        /**
3339         * What happens when the user presses the Power button while in-call
3340         * and the screen is on.<br/>
3341         * <b>Values:</b><br/>
3342         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3343         * 2 - The Power button hangs up the current call.<br/>
3344         *
3345         * @hide
3346         */
3347        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3348
3349        /**
3350         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3351         * @hide
3352         */
3353        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3354
3355        /**
3356         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3357         * @hide
3358         */
3359        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3360
3361        /**
3362         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3363         * @hide
3364         */
3365        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3366                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3367
3368        /**
3369         * The current night mode that has been selected by the user.  Owned
3370         * and controlled by UiModeManagerService.  Constants are as per
3371         * UiModeManager.
3372         * @hide
3373         */
3374        public static final String UI_NIGHT_MODE = "ui_night_mode";
3375
3376        /**
3377         * Let user pick default install location.
3378         * @hide
3379         */
3380        public static final String SET_INSTALL_LOCATION = "set_install_location";
3381
3382        /**
3383         * Default install location value.
3384         * 0 = auto, let system decide
3385         * 1 = internal
3386         * 2 = sdcard
3387         * @hide
3388         */
3389        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3390
3391        /**
3392         * The bandwidth throttle polling freqency in seconds
3393         * @hide
3394         */
3395        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3396
3397        /**
3398         * The bandwidth throttle threshold (long)
3399         * @hide
3400         */
3401        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3402
3403        /**
3404         * The bandwidth throttle value (kbps)
3405         * @hide
3406         */
3407        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3408
3409        /**
3410         * The bandwidth throttle reset calendar day (1-28)
3411         * @hide
3412         */
3413        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3414
3415        /**
3416         * The throttling notifications we should send
3417         * @hide
3418         */
3419        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3420
3421        /**
3422         * Help URI for data throttling policy
3423         * @hide
3424         */
3425        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3426
3427        /**
3428         * The length of time in Sec that we allow our notion of NTP time
3429         * to be cached before we refresh it
3430         * @hide
3431         */
3432        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3433                "throttle_max_ntp_cache_age_sec";
3434
3435        /**
3436         * The maximum size, in bytes, of a download that the download manager will transfer over
3437         * a non-wifi connection.
3438         * @hide
3439         */
3440        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3441                "download_manager_max_bytes_over_mobile";
3442
3443        /**
3444         * The recommended maximum size, in bytes, of a download that the download manager should
3445         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3446         * have the option to start the download over the mobile connection anyway.
3447         * @hide
3448         */
3449        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3450                "download_manager_recommended_max_bytes_over_mobile";
3451
3452        /**
3453         * ms during which to consume extra events related to Inet connection condition
3454         * after a transtion to fully-connected
3455         * @hide
3456         */
3457        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3458                "inet_condition_debounce_up_delay";
3459
3460        /**
3461         * ms during which to consume extra events related to Inet connection condtion
3462         * after a transtion to partly-connected
3463         * @hide
3464         */
3465        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3466                "inet_condition_debounce_down_delay";
3467
3468        /**
3469         * @hide
3470         */
3471        public static final String[] SETTINGS_TO_BACKUP = {
3472            ADB_ENABLED,
3473            ALLOW_MOCK_LOCATION,
3474            PARENTAL_CONTROL_ENABLED,
3475            PARENTAL_CONTROL_REDIRECT_URL,
3476            USB_MASS_STORAGE_ENABLED,
3477            ACCESSIBILITY_ENABLED,
3478            BACKUP_AUTO_RESTORE,
3479            ENABLED_ACCESSIBILITY_SERVICES,
3480            TTS_USE_DEFAULTS,
3481            TTS_DEFAULT_RATE,
3482            TTS_DEFAULT_PITCH,
3483            TTS_DEFAULT_SYNTH,
3484            TTS_DEFAULT_LANG,
3485            TTS_DEFAULT_COUNTRY,
3486            TTS_ENABLED_PLUGINS,
3487            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3488            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3489            WIFI_NUM_ALLOWED_CHANNELS,
3490            WIFI_NUM_OPEN_NETWORKS_KEPT,
3491            MOUNT_PLAY_NOTIFICATION_SND,
3492            MOUNT_UMS_AUTOSTART,
3493            MOUNT_UMS_PROMPT,
3494            MOUNT_UMS_NOTIFY_ENABLED,
3495            UI_NIGHT_MODE
3496        };
3497
3498        /**
3499         * Helper method for determining if a location provider is enabled.
3500         * @param cr the content resolver to use
3501         * @param provider the location provider to query
3502         * @return true if the provider is enabled
3503         */
3504        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3505            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3506            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3507        }
3508
3509        /**
3510         * Thread-safe method for enabling or disabling a single location provider.
3511         * @param cr the content resolver to use
3512         * @param provider the location provider to enable or disable
3513         * @param enabled true if the provider should be enabled
3514         */
3515        public static final void setLocationProviderEnabled(ContentResolver cr,
3516                String provider, boolean enabled) {
3517            // to ensure thread safety, we write the provider name with a '+' or '-'
3518            // and let the SettingsProvider handle it rather than reading and modifying
3519            // the list of enabled providers.
3520            if (enabled) {
3521                provider = "+" + provider;
3522            } else {
3523                provider = "-" + provider;
3524            }
3525            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3526        }
3527    }
3528
3529    /**
3530     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3531     * Intent URL, allowing it to be either a web page or a particular
3532     * application activity.
3533     *
3534     * @hide
3535     */
3536    public static final class Bookmarks implements BaseColumns
3537    {
3538        private static final String TAG = "Bookmarks";
3539
3540        /**
3541         * The content:// style URL for this table
3542         */
3543        public static final Uri CONTENT_URI =
3544            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3545
3546        /**
3547         * The row ID.
3548         * <p>Type: INTEGER</p>
3549         */
3550        public static final String ID = "_id";
3551
3552        /**
3553         * Descriptive name of the bookmark that can be displayed to the user.
3554         * If this is empty, the title should be resolved at display time (use
3555         * {@link #getTitle(Context, Cursor)} any time you want to display the
3556         * title of a bookmark.)
3557         * <P>
3558         * Type: TEXT
3559         * </P>
3560         */
3561        public static final String TITLE = "title";
3562
3563        /**
3564         * Arbitrary string (displayed to the user) that allows bookmarks to be
3565         * organized into categories.  There are some special names for
3566         * standard folders, which all start with '@'.  The label displayed for
3567         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3568         * the folder name does not change so you can consistently query for
3569         * the folder regardless of the current locale.
3570         *
3571         * <P>Type: TEXT</P>
3572         *
3573         */
3574        public static final String FOLDER = "folder";
3575
3576        /**
3577         * The Intent URL of the bookmark, describing what it points to.  This
3578         * value is given to {@link android.content.Intent#getIntent} to create
3579         * an Intent that can be launched.
3580         * <P>Type: TEXT</P>
3581         */
3582        public static final String INTENT = "intent";
3583
3584        /**
3585         * Optional shortcut character associated with this bookmark.
3586         * <P>Type: INTEGER</P>
3587         */
3588        public static final String SHORTCUT = "shortcut";
3589
3590        /**
3591         * The order in which the bookmark should be displayed
3592         * <P>Type: INTEGER</P>
3593         */
3594        public static final String ORDERING = "ordering";
3595
3596        private static final String[] sIntentProjection = { INTENT };
3597        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3598        private static final String sShortcutSelection = SHORTCUT + "=?";
3599
3600        /**
3601         * Convenience function to retrieve the bookmarked Intent for a
3602         * particular shortcut key.
3603         *
3604         * @param cr The ContentResolver to query.
3605         * @param shortcut The shortcut key.
3606         *
3607         * @return Intent The bookmarked URL, or null if there is no bookmark
3608         *         matching the given shortcut.
3609         */
3610        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3611        {
3612            Intent intent = null;
3613
3614            Cursor c = cr.query(CONTENT_URI,
3615                    sIntentProjection, sShortcutSelection,
3616                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3617            // Keep trying until we find a valid shortcut
3618            try {
3619                while (intent == null && c.moveToNext()) {
3620                    try {
3621                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3622                        intent = Intent.getIntent(intentURI);
3623                    } catch (java.net.URISyntaxException e) {
3624                        // The stored URL is bad...  ignore it.
3625                    } catch (IllegalArgumentException e) {
3626                        // Column not found
3627                        Log.w(TAG, "Intent column not found", e);
3628                    }
3629                }
3630            } finally {
3631                if (c != null) c.close();
3632            }
3633
3634            return intent;
3635        }
3636
3637        /**
3638         * Add a new bookmark to the system.
3639         *
3640         * @param cr The ContentResolver to query.
3641         * @param intent The desired target of the bookmark.
3642         * @param title Bookmark title that is shown to the user; null if none
3643         *            or it should be resolved to the intent's title.
3644         * @param folder Folder in which to place the bookmark; null if none.
3645         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3646         *            this is non-zero and there is an existing bookmark entry
3647         *            with this same shortcut, then that existing shortcut is
3648         *            cleared (the bookmark is not removed).
3649         * @return The unique content URL for the new bookmark entry.
3650         */
3651        public static Uri add(ContentResolver cr,
3652                                           Intent intent,
3653                                           String title,
3654                                           String folder,
3655                                           char shortcut,
3656                                           int ordering)
3657        {
3658            // If a shortcut is supplied, and it is already defined for
3659            // another bookmark, then remove the old definition.
3660            if (shortcut != 0) {
3661                Cursor c = cr.query(CONTENT_URI,
3662                        sShortcutProjection, sShortcutSelection,
3663                        new String[] { String.valueOf((int) shortcut) }, null);
3664                try {
3665                    if (c.moveToFirst()) {
3666                        while (c.getCount() > 0) {
3667                            if (!c.deleteRow()) {
3668                                Log.w(TAG, "Could not delete existing shortcut row");
3669                            }
3670                        }
3671                    }
3672                } finally {
3673                    if (c != null) c.close();
3674                }
3675            }
3676
3677            ContentValues values = new ContentValues();
3678            if (title != null) values.put(TITLE, title);
3679            if (folder != null) values.put(FOLDER, folder);
3680            values.put(INTENT, intent.toURI());
3681            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3682            values.put(ORDERING, ordering);
3683            return cr.insert(CONTENT_URI, values);
3684        }
3685
3686        /**
3687         * Return the folder name as it should be displayed to the user.  This
3688         * takes care of localizing special folders.
3689         *
3690         * @param r Resources object for current locale; only need access to
3691         *          system resources.
3692         * @param folder The value found in the {@link #FOLDER} column.
3693         *
3694         * @return CharSequence The label for this folder that should be shown
3695         *         to the user.
3696         */
3697        public static CharSequence getLabelForFolder(Resources r, String folder) {
3698            return folder;
3699        }
3700
3701        /**
3702         * Return the title as it should be displayed to the user. This takes
3703         * care of localizing bookmarks that point to activities.
3704         *
3705         * @param context A context.
3706         * @param cursor A cursor pointing to the row whose title should be
3707         *        returned. The cursor must contain at least the {@link #TITLE}
3708         *        and {@link #INTENT} columns.
3709         * @return A title that is localized and can be displayed to the user,
3710         *         or the empty string if one could not be found.
3711         */
3712        public static CharSequence getTitle(Context context, Cursor cursor) {
3713            int titleColumn = cursor.getColumnIndex(TITLE);
3714            int intentColumn = cursor.getColumnIndex(INTENT);
3715            if (titleColumn == -1 || intentColumn == -1) {
3716                throw new IllegalArgumentException(
3717                        "The cursor must contain the TITLE and INTENT columns.");
3718            }
3719
3720            String title = cursor.getString(titleColumn);
3721            if (!TextUtils.isEmpty(title)) {
3722                return title;
3723            }
3724
3725            String intentUri = cursor.getString(intentColumn);
3726            if (TextUtils.isEmpty(intentUri)) {
3727                return "";
3728            }
3729
3730            Intent intent;
3731            try {
3732                intent = Intent.getIntent(intentUri);
3733            } catch (URISyntaxException e) {
3734                return "";
3735            }
3736
3737            PackageManager packageManager = context.getPackageManager();
3738            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3739            return info != null ? info.loadLabel(packageManager) : "";
3740        }
3741    }
3742
3743    /**
3744     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3745     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3746     * from the GoogleLoginService.
3747     *
3748     * @param androidId The Android ID for this device.
3749     * @return The device ID that should be used when connecting to the mobile gtalk server.
3750     * @hide
3751     */
3752    public static String getGTalkDeviceId(long androidId) {
3753        return "android-" + Long.toHexString(androidId);
3754    }
3755}
3756