Settings.java revision 7dda67a8a18e6e06af4be6942ac95f05c6e33d08
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19
20
21import android.annotation.SdkConstant;
22import android.annotation.SdkConstant.SdkConstantType;
23import android.content.ComponentName;
24import android.content.ContentResolver;
25import android.content.ContentValues;
26import android.content.Context;
27import android.content.IContentProvider;
28import android.content.Intent;
29import android.content.pm.ActivityInfo;
30import android.content.pm.PackageManager;
31import android.content.pm.ResolveInfo;
32import android.content.res.Configuration;
33import android.content.res.Resources;
34import android.database.Cursor;
35import android.database.SQLException;
36import android.net.Uri;
37import android.os.BatteryManager;
38import android.os.Bundle;
39import android.os.RemoteException;
40import android.os.SystemProperties;
41import android.text.TextUtils;
42import android.util.AndroidException;
43import android.util.Config;
44import android.util.Log;
45
46import java.net.URISyntaxException;
47import java.util.HashMap;
48import java.util.HashSet;
49
50
51/**
52 * The Settings provider contains global system-level device preferences.
53 */
54public final class Settings {
55
56    // Intent actions for Settings
57
58    /**
59     * Activity Action: Show system settings.
60     * <p>
61     * Input: Nothing.
62     * <p>
63     * Output: nothing.
64     */
65    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
66    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
67
68    /**
69     * Activity Action: Show settings to allow configuration of APNs.
70     * <p>
71     * Input: Nothing.
72     * <p>
73     * Output: nothing.
74     */
75    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
76    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
77
78    /**
79     * Activity Action: Show settings to allow configuration of current location
80     * sources.
81     * <p>
82     * In some cases, a matching Activity may not exist, so ensure you
83     * safeguard against this.
84     * <p>
85     * Input: Nothing.
86     * <p>
87     * Output: Nothing.
88     */
89    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
90    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
91            "android.settings.LOCATION_SOURCE_SETTINGS";
92
93    /**
94     * Activity Action: Show settings to allow configuration of wireless controls
95     * such as Wi-Fi, Bluetooth and Mobile networks.
96     * <p>
97     * In some cases, a matching Activity may not exist, so ensure you
98     * safeguard against this.
99     * <p>
100     * Input: Nothing.
101     * <p>
102     * Output: Nothing.
103     */
104    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
105    public static final String ACTION_WIRELESS_SETTINGS =
106            "android.settings.WIRELESS_SETTINGS";
107
108    /**
109     * Activity Action: Show settings to allow entering/exiting airplane mode.
110     * <p>
111     * In some cases, a matching Activity may not exist, so ensure you
112     * safeguard against this.
113     * <p>
114     * Input: Nothing.
115     * <p>
116     * Output: Nothing.
117     */
118    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
119    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
120            "android.settings.AIRPLANE_MODE_SETTINGS";
121
122    /**
123     * Activity Action: Show settings for accessibility modules.
124     * <p>
125     * In some cases, a matching Activity may not exist, so ensure you
126     * safeguard against this.
127     * <p>
128     * Input: Nothing.
129     * <p>
130     * Output: Nothing.
131     */
132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
133    public static final String ACTION_ACCESSIBILITY_SETTINGS =
134            "android.settings.ACCESSIBILITY_SETTINGS";
135
136    /**
137     * Activity Action: Show settings to allow configuration of security and
138     * location privacy.
139     * <p>
140     * In some cases, a matching Activity may not exist, so ensure you
141     * safeguard against this.
142     * <p>
143     * Input: Nothing.
144     * <p>
145     * Output: Nothing.
146     */
147    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
148    public static final String ACTION_SECURITY_SETTINGS =
149            "android.settings.SECURITY_SETTINGS";
150
151    /**
152     * Activity Action: Show settings to allow configuration of privacy options.
153     * <p>
154     * In some cases, a matching Activity may not exist, so ensure you
155     * safeguard against this.
156     * <p>
157     * Input: Nothing.
158     * <p>
159     * Output: Nothing.
160     */
161    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
162    public static final String ACTION_PRIVACY_SETTINGS =
163            "android.settings.PRIVACY_SETTINGS";
164
165    /**
166     * Activity Action: Show settings to allow configuration of Wi-Fi.
167
168     * <p>
169     * In some cases, a matching Activity may not exist, so ensure you
170     * safeguard against this.
171     * <p>
172     * Input: Nothing.
173     * <p>
174     * Output: Nothing.
175
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_WIFI_SETTINGS =
179            "android.settings.WIFI_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to allow configuration of a static IP
183     * address for Wi-Fi.
184     * <p>
185     * In some cases, a matching Activity may not exist, so ensure you safeguard
186     * against this.
187     * <p>
188     * Input: Nothing.
189     * <p>
190     * Output: Nothing.
191     */
192    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
193    public static final String ACTION_WIFI_IP_SETTINGS =
194            "android.settings.WIFI_IP_SETTINGS";
195
196    /**
197     * Activity Action: Show settings to allow configuration of Bluetooth.
198     * <p>
199     * In some cases, a matching Activity may not exist, so ensure you
200     * safeguard against this.
201     * <p>
202     * Input: Nothing.
203     * <p>
204     * Output: Nothing.
205     */
206    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
207    public static final String ACTION_BLUETOOTH_SETTINGS =
208            "android.settings.BLUETOOTH_SETTINGS";
209
210    /**
211     * Activity Action: Show settings to allow configuration of date and time.
212     * <p>
213     * In some cases, a matching Activity may not exist, so ensure you
214     * safeguard against this.
215     * <p>
216     * Input: Nothing.
217     * <p>
218     * Output: Nothing.
219     */
220    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
221    public static final String ACTION_DATE_SETTINGS =
222            "android.settings.DATE_SETTINGS";
223
224    /**
225     * Activity Action: Show settings to allow configuration of sound and volume.
226     * <p>
227     * In some cases, a matching Activity may not exist, so ensure you
228     * safeguard against this.
229     * <p>
230     * Input: Nothing.
231     * <p>
232     * Output: Nothing.
233     */
234    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
235    public static final String ACTION_SOUND_SETTINGS =
236            "android.settings.SOUND_SETTINGS";
237
238    /**
239     * Activity Action: Show settings to allow configuration of display.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_DISPLAY_SETTINGS =
250            "android.settings.DISPLAY_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to allow configuration of locale.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261     */
262    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
263    public static final String ACTION_LOCALE_SETTINGS =
264            "android.settings.LOCALE_SETTINGS";
265
266    /**
267     * Activity Action: Show settings to configure input methods, in particular
268     * allowing the user to enable input methods.
269     * <p>
270     * In some cases, a matching Activity may not exist, so ensure you
271     * safeguard against this.
272     * <p>
273     * Input: Nothing.
274     * <p>
275     * Output: Nothing.
276     */
277    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
278    public static final String ACTION_INPUT_METHOD_SETTINGS =
279            "android.settings.INPUT_METHOD_SETTINGS";
280
281    /**
282     * Activity Action: Show settings to manage the user input dictionary.
283     * <p>
284     * In some cases, a matching Activity may not exist, so ensure you
285     * safeguard against this.
286     * <p>
287     * Input: Nothing.
288     * <p>
289     * Output: Nothing.
290     */
291    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
292    public static final String ACTION_USER_DICTIONARY_SETTINGS =
293            "android.settings.USER_DICTIONARY_SETTINGS";
294
295    /**
296     * Activity Action: Show settings to allow configuration of application-related settings.
297     * <p>
298     * In some cases, a matching Activity may not exist, so ensure you
299     * safeguard against this.
300     * <p>
301     * Input: Nothing.
302     * <p>
303     * Output: Nothing.
304     */
305    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
306    public static final String ACTION_APPLICATION_SETTINGS =
307            "android.settings.APPLICATION_SETTINGS";
308
309    /**
310     * Activity Action: Show settings to allow configuration of application
311     * development-related settings.
312     * <p>
313     * In some cases, a matching Activity may not exist, so ensure you safeguard
314     * against this.
315     * <p>
316     * Input: Nothing.
317     * <p>
318     * Output: Nothing.
319     */
320    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
321    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
322            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
323
324    /**
325     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
326     * <p>
327     * In some cases, a matching Activity may not exist, so ensure you
328     * safeguard against this.
329     * <p>
330     * Input: Nothing.
331     * <p>
332     * Output: Nothing.
333     */
334    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
335    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
336            "android.settings.QUICK_LAUNCH_SETTINGS";
337
338    /**
339     * Activity Action: Show settings to manage installed applications.
340     * <p>
341     * In some cases, a matching Activity may not exist, so ensure you
342     * safeguard against this.
343     * <p>
344     * Input: Nothing.
345     * <p>
346     * Output: Nothing.
347     */
348    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
349    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
350            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
351
352    /**
353     * Activity Action: Show screen of details about a particular application.
354     * <p>
355     * In some cases, a matching Activity may not exist, so ensure you
356     * safeguard against this.
357     * <p>
358     * Input: The Intent's data URI specifies the application package name
359     * to be shown, with the "package" scheme.  That is "package:com.my.app".
360     * <p>
361     * Output: Nothing.
362     */
363    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
364    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
365            "android.settings.APPLICATION_DETAILS_SETTINGS";
366
367    /**
368     * Activity Action: Show settings for system update functionality.
369     * <p>
370     * In some cases, a matching Activity may not exist, so ensure you
371     * safeguard against this.
372     * <p>
373     * Input: Nothing.
374     * <p>
375     * Output: Nothing.
376     *
377     * @hide
378     */
379    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
380    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
381            "android.settings.SYSTEM_UPDATE_SETTINGS";
382
383    /**
384     * Activity Action: Show settings to allow configuration of sync settings.
385     * <p>
386     * In some cases, a matching Activity may not exist, so ensure you
387     * safeguard against this.
388     * <p>
389     * The account types available to add via the add account button may be restricted by adding an
390     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
391     * authorities. Only account types which can sync with that content provider will be offered to
392     * the user.
393     * <p>
394     * Input: Nothing.
395     * <p>
396     * Output: Nothing.
397     */
398    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
399    public static final String ACTION_SYNC_SETTINGS =
400            "android.settings.SYNC_SETTINGS";
401
402    /**
403     * Activity Action: Show add account screen for creating a new account.
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 may be restricted by adding an {@link #EXTRA_AUTHORITIES}
409     * extra to the Intent with one or more syncable content provider's authorities.  Only account
410     * types which can sync with that content provider will be offered to the user.
411     * <p>
412     * Input: Nothing.
413     * <p>
414     * Output: Nothing.
415     */
416    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
417    public static final String ACTION_ADD_ACCOUNT =
418            "android.settings.ADD_ACCOUNT_SETTINGS";
419
420    /**
421     * Activity Action: Show settings for selecting the network operator.
422     * <p>
423     * In some cases, a matching Activity may not exist, so ensure you
424     * safeguard against this.
425     * <p>
426     * Input: Nothing.
427     * <p>
428     * Output: Nothing.
429     */
430    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
431    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
432            "android.settings.NETWORK_OPERATOR_SETTINGS";
433
434    /**
435     * Activity Action: Show settings for selection of 2G/3G.
436     * <p>
437     * In some cases, a matching Activity may not exist, so ensure you
438     * safeguard against this.
439     * <p>
440     * Input: Nothing.
441     * <p>
442     * Output: Nothing.
443     */
444    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
445    public static final String ACTION_DATA_ROAMING_SETTINGS =
446            "android.settings.DATA_ROAMING_SETTINGS";
447
448    /**
449     * Activity Action: Show settings for internal storage.
450     * <p>
451     * In some cases, a matching Activity may not exist, so ensure you
452     * safeguard against this.
453     * <p>
454     * Input: Nothing.
455     * <p>
456     * Output: Nothing.
457     */
458    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
459    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
460            "android.settings.INTERNAL_STORAGE_SETTINGS";
461    /**
462     * Activity Action: Show settings for memory card storage.
463     * <p>
464     * In some cases, a matching Activity may not exist, so ensure you
465     * safeguard against this.
466     * <p>
467     * Input: Nothing.
468     * <p>
469     * Output: Nothing.
470     */
471    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
472    public static final String ACTION_MEMORY_CARD_SETTINGS =
473            "android.settings.MEMORY_CARD_SETTINGS";
474
475    /**
476     * Activity Action: Show settings for global search.
477     * <p>
478     * In some cases, a matching Activity may not exist, so ensure you
479     * safeguard against this.
480     * <p>
481     * Input: Nothing.
482     * <p>
483     * Output: Nothing
484     */
485    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
486    public static final String ACTION_SEARCH_SETTINGS =
487        "android.search.action.SEARCH_SETTINGS";
488
489    /**
490     * Activity Action: Show general device information settings (serial
491     * number, software version, phone number, etc.).
492     * <p>
493     * In some cases, a matching Activity may not exist, so ensure you
494     * safeguard against this.
495     * <p>
496     * Input: Nothing.
497     * <p>
498     * Output: Nothing
499     */
500    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
501    public static final String ACTION_DEVICE_INFO_SETTINGS =
502        "android.settings.DEVICE_INFO_SETTINGS";
503
504    // End of Intent actions for Settings
505
506    /**
507     * @hide - Private call() method on SettingsProvider to read from 'system' table.
508     */
509    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
510
511    /**
512     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
513     */
514    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
515
516    /**
517     * Activity Extra: Limit available options in launched activity based on the given authority.
518     * <p>
519     * This can be passed as an extra field in an Activity Intent with one or more syncable content
520     * provider's authorities as a String[]. This field is used by some intents to alter the
521     * behavior of the called activity.
522     * <p>
523     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
524     * on the authority given.
525     */
526    public static final String EXTRA_AUTHORITIES =
527            "authorities";
528
529    private static final String JID_RESOURCE_PREFIX = "android";
530
531    public static final String AUTHORITY = "settings";
532
533    private static final String TAG = "Settings";
534    private static final boolean LOCAL_LOGV = Config.LOGV || false;
535
536    public static class SettingNotFoundException extends AndroidException {
537        public SettingNotFoundException(String msg) {
538            super(msg);
539        }
540    }
541
542    /**
543     * Common base for tables of name/value settings.
544     */
545    public static class NameValueTable implements BaseColumns {
546        public static final String NAME = "name";
547        public static final String VALUE = "value";
548
549        protected static boolean putString(ContentResolver resolver, Uri uri,
550                String name, String value) {
551            // The database will take care of replacing duplicates.
552            try {
553                ContentValues values = new ContentValues();
554                values.put(NAME, name);
555                values.put(VALUE, value);
556                resolver.insert(uri, values);
557                return true;
558            } catch (SQLException e) {
559                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
560                return false;
561            }
562        }
563
564        public static Uri getUriFor(Uri uri, String name) {
565            return Uri.withAppendedPath(uri, name);
566        }
567    }
568
569    // Thread-safe.
570    private static class NameValueCache {
571        private final String mVersionSystemProperty;
572        private final Uri mUri;
573
574        private static final String[] SELECT_VALUE =
575            new String[] { Settings.NameValueTable.VALUE };
576        private static final String NAME_EQ_PLACEHOLDER = "name=?";
577
578        // Must synchronize on 'this' to access mValues and mValuesVersion.
579        private final HashMap<String, String> mValues = new HashMap<String, String>();
580        private long mValuesVersion = 0;
581
582        // Initially null; set lazily and held forever.  Synchronized on 'this'.
583        private IContentProvider mContentProvider = null;
584
585        // The method we'll call (or null, to not use) on the provider
586        // for the fast path of retrieving settings.
587        private final String mCallCommand;
588
589        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
590            mVersionSystemProperty = versionSystemProperty;
591            mUri = uri;
592            mCallCommand = callCommand;
593        }
594
595        public String getString(ContentResolver cr, String name) {
596            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
597
598            synchronized (this) {
599                if (mValuesVersion != newValuesVersion) {
600                    if (LOCAL_LOGV) {
601                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
602                                newValuesVersion + " != cached " + mValuesVersion);
603                    }
604
605                    mValues.clear();
606                    mValuesVersion = newValuesVersion;
607                }
608
609                if (mValues.containsKey(name)) {
610                    return mValues.get(name);  // Could be null, that's OK -- negative caching
611                }
612            }
613
614            IContentProvider cp = null;
615            synchronized (this) {
616                cp = mContentProvider;
617                if (cp == null) {
618                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
619                }
620            }
621
622            // Try the fast path first, not using query().  If this
623            // fails (alternate Settings provider that doesn't support
624            // this interface?) then we fall back to the query/table
625            // interface.
626            if (mCallCommand != null) {
627                try {
628                    Bundle b = cp.call(mCallCommand, name, null);
629                    if (b != null) {
630                        String value = b.getPairValue();
631                        synchronized (this) {
632                            mValues.put(name, value);
633                        }
634                        return value;
635                    }
636                    // If the response Bundle is null, we fall through
637                    // to the query interface below.
638                } catch (RemoteException e) {
639                    // Not supported by the remote side?  Fall through
640                    // to query().
641                }
642            }
643
644            Cursor c = null;
645            try {
646                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
647                             new String[]{name}, null);
648                if (c == null) {
649                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
650                    return null;
651                }
652
653                String value = c.moveToNext() ? c.getString(0) : null;
654                synchronized (this) {
655                    mValues.put(name, value);
656                }
657                if (LOCAL_LOGV) {
658                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
659                            name + " = " + (value == null ? "(null)" : value));
660                }
661                return value;
662            } catch (RemoteException e) {
663                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
664                return null;  // Return null, but don't cache it.
665            } finally {
666                if (c != null) c.close();
667            }
668        }
669    }
670
671    /**
672     * System settings, containing miscellaneous system preferences.  This
673     * table holds simple name/value pairs.  There are convenience
674     * functions for accessing individual settings entries.
675     */
676    public static final class System extends NameValueTable {
677        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
678
679        // Populated lazily, guarded by class object:
680        private static NameValueCache sNameValueCache = null;
681
682        private static final HashSet<String> MOVED_TO_SECURE;
683        static {
684            MOVED_TO_SECURE = new HashSet<String>(30);
685            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
686            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
687            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
688            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
689            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
690            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
691            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
692            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
693            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
694            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
695            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
696            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
697            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
698            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
699            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
700            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
701            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
702            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
703            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
704            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
705            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
706            MOVED_TO_SECURE.add(Secure.WIFI_ON);
707            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
708            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
709            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
710            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
711            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
712            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
713            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
714            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
715            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
716            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
717            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
718        }
719
720        /**
721         * Look up a name in the database.
722         * @param resolver to access the database with
723         * @param name to look up in the table
724         * @return the corresponding value, or null if not present
725         */
726        public synchronized static String getString(ContentResolver resolver, String name) {
727            if (MOVED_TO_SECURE.contains(name)) {
728                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
729                        + " to android.provider.Settings.Secure, returning read-only value.");
730                return Secure.getString(resolver, name);
731            }
732            if (sNameValueCache == null) {
733                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
734                                                     CALL_METHOD_GET_SYSTEM);
735            }
736            return sNameValueCache.getString(resolver, name);
737        }
738
739        /**
740         * Store a name/value pair into the database.
741         * @param resolver to access the database with
742         * @param name to store
743         * @param value to associate with the name
744         * @return true if the value was set, false on database errors
745         */
746        public static boolean putString(ContentResolver resolver, String name, String value) {
747            if (MOVED_TO_SECURE.contains(name)) {
748                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
749                        + " to android.provider.Settings.Secure, value is unchanged.");
750                return false;
751            }
752            return putString(resolver, CONTENT_URI, name, value);
753        }
754
755        /**
756         * Construct the content URI for a particular name/value pair,
757         * useful for monitoring changes with a ContentObserver.
758         * @param name to look up in the table
759         * @return the corresponding content URI, or null if not present
760         */
761        public static Uri getUriFor(String name) {
762            if (MOVED_TO_SECURE.contains(name)) {
763                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
764                    + " to android.provider.Settings.Secure, returning Secure URI.");
765                return Secure.getUriFor(Secure.CONTENT_URI, name);
766            }
767            return getUriFor(CONTENT_URI, name);
768        }
769
770        /**
771         * Convenience function for retrieving a single system settings value
772         * as an integer.  Note that internally setting values are always
773         * stored as strings; this function converts the string to an integer
774         * for you.  The default value will be returned if the setting is
775         * not defined or not an integer.
776         *
777         * @param cr The ContentResolver to access.
778         * @param name The name of the setting to retrieve.
779         * @param def Value to return if the setting is not defined.
780         *
781         * @return The setting's current value, or 'def' if it is not defined
782         * or not a valid integer.
783         */
784        public static int getInt(ContentResolver cr, String name, int def) {
785            String v = getString(cr, name);
786            try {
787                return v != null ? Integer.parseInt(v) : def;
788            } catch (NumberFormatException e) {
789                return def;
790            }
791        }
792
793        /**
794         * Convenience function for retrieving a single system settings value
795         * as an integer.  Note that internally setting values are always
796         * stored as strings; this function converts the string to an integer
797         * for you.
798         * <p>
799         * This version does not take a default value.  If the setting has not
800         * been set, or the string value is not a number,
801         * it throws {@link SettingNotFoundException}.
802         *
803         * @param cr The ContentResolver to access.
804         * @param name The name of the setting to retrieve.
805         *
806         * @throws SettingNotFoundException Thrown if a setting by the given
807         * name can't be found or the setting value is not an integer.
808         *
809         * @return The setting's current value.
810         */
811        public static int getInt(ContentResolver cr, String name)
812                throws SettingNotFoundException {
813            String v = getString(cr, name);
814            try {
815                return Integer.parseInt(v);
816            } catch (NumberFormatException e) {
817                throw new SettingNotFoundException(name);
818            }
819        }
820
821        /**
822         * Convenience function for updating a single settings value as an
823         * integer. This will either create a new entry in the table if the
824         * given name does not exist, or modify the value of the existing row
825         * with that name.  Note that internally setting values are always
826         * stored as strings, so this function converts the given value to a
827         * string before storing it.
828         *
829         * @param cr The ContentResolver to access.
830         * @param name The name of the setting to modify.
831         * @param value The new value for the setting.
832         * @return true if the value was set, false on database errors
833         */
834        public static boolean putInt(ContentResolver cr, String name, int value) {
835            return putString(cr, name, Integer.toString(value));
836        }
837
838        /**
839         * Convenience function for retrieving a single system settings value
840         * as a {@code long}.  Note that internally setting values are always
841         * stored as strings; this function converts the string to a {@code long}
842         * for you.  The default value will be returned if the setting is
843         * not defined or not a {@code long}.
844         *
845         * @param cr The ContentResolver to access.
846         * @param name The name of the setting to retrieve.
847         * @param def Value to return if the setting is not defined.
848         *
849         * @return The setting's current value, or 'def' if it is not defined
850         * or not a valid {@code long}.
851         */
852        public static long getLong(ContentResolver cr, String name, long def) {
853            String valString = getString(cr, name);
854            long value;
855            try {
856                value = valString != null ? Long.parseLong(valString) : def;
857            } catch (NumberFormatException e) {
858                value = def;
859            }
860            return value;
861        }
862
863        /**
864         * Convenience function for retrieving a single system settings value
865         * as a {@code long}.  Note that internally setting values are always
866         * stored as strings; this function converts the string to a {@code long}
867         * for you.
868         * <p>
869         * This version does not take a default value.  If the setting has not
870         * been set, or the string value is not a number,
871         * it throws {@link SettingNotFoundException}.
872         *
873         * @param cr The ContentResolver to access.
874         * @param name The name of the setting to retrieve.
875         *
876         * @return The setting's current value.
877         * @throws SettingNotFoundException Thrown if a setting by the given
878         * name can't be found or the setting value is not an integer.
879         */
880        public static long getLong(ContentResolver cr, String name)
881                throws SettingNotFoundException {
882            String valString = getString(cr, name);
883            try {
884                return Long.parseLong(valString);
885            } catch (NumberFormatException e) {
886                throw new SettingNotFoundException(name);
887            }
888        }
889
890        /**
891         * Convenience function for updating a single settings value as a long
892         * integer. This will either create a new entry in the table if the
893         * given name does not exist, or modify the value of the existing row
894         * with that name.  Note that internally setting values are always
895         * stored as strings, so this function converts the given value to a
896         * string before storing it.
897         *
898         * @param cr The ContentResolver to access.
899         * @param name The name of the setting to modify.
900         * @param value The new value for the setting.
901         * @return true if the value was set, false on database errors
902         */
903        public static boolean putLong(ContentResolver cr, String name, long value) {
904            return putString(cr, name, Long.toString(value));
905        }
906
907        /**
908         * Convenience function for retrieving a single system settings value
909         * as a floating point number.  Note that internally setting values are
910         * always stored as strings; this function converts the string to an
911         * float for you. The default value will be returned if the setting
912         * is not defined or not a valid float.
913         *
914         * @param cr The ContentResolver to access.
915         * @param name The name of the setting to retrieve.
916         * @param def Value to return if the setting is not defined.
917         *
918         * @return The setting's current value, or 'def' if it is not defined
919         * or not a valid float.
920         */
921        public static float getFloat(ContentResolver cr, String name, float def) {
922            String v = getString(cr, name);
923            try {
924                return v != null ? Float.parseFloat(v) : def;
925            } catch (NumberFormatException e) {
926                return def;
927            }
928        }
929
930        /**
931         * Convenience function for retrieving a single system settings value
932         * as a float.  Note that internally setting values are always
933         * stored as strings; this function converts the string to a float
934         * for you.
935         * <p>
936         * This version does not take a default value.  If the setting has not
937         * been set, or the string value is not a number,
938         * it throws {@link SettingNotFoundException}.
939         *
940         * @param cr The ContentResolver to access.
941         * @param name The name of the setting to retrieve.
942         *
943         * @throws SettingNotFoundException Thrown if a setting by the given
944         * name can't be found or the setting value is not a float.
945         *
946         * @return The setting's current value.
947         */
948        public static float getFloat(ContentResolver cr, String name)
949                throws SettingNotFoundException {
950            String v = getString(cr, name);
951            try {
952                return Float.parseFloat(v);
953            } catch (NumberFormatException e) {
954                throw new SettingNotFoundException(name);
955            }
956        }
957
958        /**
959         * Convenience function for updating a single settings value as a
960         * floating point number. This will either create a new entry in the
961         * table if the given name does not exist, or modify the value of the
962         * existing row with that name.  Note that internally setting values
963         * are always stored as strings, so this function converts the given
964         * value to a string before storing it.
965         *
966         * @param cr The ContentResolver to access.
967         * @param name The name of the setting to modify.
968         * @param value The new value for the setting.
969         * @return true if the value was set, false on database errors
970         */
971        public static boolean putFloat(ContentResolver cr, String name, float value) {
972            return putString(cr, name, Float.toString(value));
973        }
974
975        /**
976         * Convenience function to read all of the current
977         * configuration-related settings into a
978         * {@link Configuration} object.
979         *
980         * @param cr The ContentResolver to access.
981         * @param outConfig Where to place the configuration settings.
982         */
983        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
984            outConfig.fontScale = Settings.System.getFloat(
985                cr, FONT_SCALE, outConfig.fontScale);
986            if (outConfig.fontScale < 0) {
987                outConfig.fontScale = 1;
988            }
989        }
990
991        /**
992         * Convenience function to write a batch of configuration-related
993         * settings from a {@link Configuration} object.
994         *
995         * @param cr The ContentResolver to access.
996         * @param config The settings to write.
997         * @return true if the values were set, false on database errors
998         */
999        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1000            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1001        }
1002
1003        /** @hide */
1004        public static boolean hasInterestingConfigurationChanges(int changes) {
1005            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1006        }
1007
1008        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1009            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1010        }
1011
1012        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1013            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1014        }
1015
1016        /**
1017         * The content:// style URL for this table
1018         */
1019        public static final Uri CONTENT_URI =
1020            Uri.parse("content://" + AUTHORITY + "/system");
1021
1022        /**
1023         * Whether we keep the device on while the device is plugged in.
1024         * Supported values are:
1025         * <ul>
1026         * <li>{@code 0} to never stay on while plugged in</li>
1027         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1028         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1029         * </ul>
1030         * These values can be OR-ed together.
1031         */
1032        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1033
1034        /**
1035         * What happens when the user presses the end call button if they're not
1036         * on a call.<br/>
1037         * <b>Values:</b><br/>
1038         * 0 - The end button does nothing.<br/>
1039         * 1 - The end button goes to the home screen.<br/>
1040         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1041         * 3 - The end button goes to the home screen.  If the user is already on the
1042         * home screen, it puts the device to sleep.
1043         */
1044        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1045
1046        /**
1047         * END_BUTTON_BEHAVIOR value for "go home".
1048         * @hide
1049         */
1050        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1051
1052        /**
1053         * END_BUTTON_BEHAVIOR value for "go to sleep".
1054         * @hide
1055         */
1056        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1057
1058        /**
1059         * END_BUTTON_BEHAVIOR default value.
1060         * @hide
1061         */
1062        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1063
1064        /**
1065         * Whether Airplane Mode is on.
1066         */
1067        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1068
1069        /**
1070         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1071         */
1072        public static final String RADIO_BLUETOOTH = "bluetooth";
1073
1074        /**
1075         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1076         */
1077        public static final String RADIO_WIFI = "wifi";
1078
1079        /**
1080         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1081         */
1082        public static final String RADIO_CELL = "cell";
1083
1084        /**
1085         * A comma separated list of radios that need to be disabled when airplane mode
1086         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1087         * included in the comma separated list.
1088         */
1089        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1090
1091        /**
1092         * A comma separated list of radios that should to be disabled when airplane mode
1093         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1094         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1095         * will be turned off when entering airplane mode, but the user will be able to reenable
1096         * Wifi in the Settings app.
1097         *
1098         * {@hide}
1099         */
1100        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1101
1102        /**
1103         * The policy for deciding when Wi-Fi should go to sleep (which will in
1104         * turn switch to using the mobile data as an Internet connection).
1105         * <p>
1106         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1107         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1108         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1109         */
1110        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1111
1112        /**
1113         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1114         * policy, which is to sleep shortly after the turning off
1115         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1116         */
1117        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1118
1119        /**
1120         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1121         * the device is on battery, and never go to sleep when the device is
1122         * plugged in.
1123         */
1124        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1125
1126        /**
1127         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1128         */
1129        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1130
1131        //TODO: deprecate static IP constants
1132        /**
1133         * Whether to use static IP and other static network attributes.
1134         * <p>
1135         * Set to 1 for true and 0 for false.
1136         */
1137        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1138
1139        /**
1140         * The static IP address.
1141         * <p>
1142         * Example: "192.168.1.51"
1143         */
1144        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1145
1146        /**
1147         * If using static IP, the gateway's IP address.
1148         * <p>
1149         * Example: "192.168.1.1"
1150         */
1151        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1152
1153        /**
1154         * If using static IP, the net mask.
1155         * <p>
1156         * Example: "255.255.255.0"
1157         */
1158        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1159
1160        /**
1161         * If using static IP, the primary DNS's IP address.
1162         * <p>
1163         * Example: "192.168.1.1"
1164         */
1165        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1166
1167        /**
1168         * If using static IP, the secondary DNS's IP address.
1169         * <p>
1170         * Example: "192.168.1.2"
1171         */
1172        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1173
1174        /**
1175         * The number of radio channels that are allowed in the local
1176         * 802.11 regulatory domain.
1177         * @hide
1178         */
1179        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1180
1181        /**
1182         * Determines whether remote devices may discover and/or connect to
1183         * this device.
1184         * <P>Type: INT</P>
1185         * 2 -- discoverable and connectable
1186         * 1 -- connectable but not discoverable
1187         * 0 -- neither connectable nor discoverable
1188         */
1189        public static final String BLUETOOTH_DISCOVERABILITY =
1190            "bluetooth_discoverability";
1191
1192        /**
1193         * Bluetooth discoverability timeout.  If this value is nonzero, then
1194         * Bluetooth becomes discoverable for a certain number of seconds,
1195         * after which is becomes simply connectable.  The value is in seconds.
1196         */
1197        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1198            "bluetooth_discoverability_timeout";
1199
1200        /**
1201         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1202         * instead
1203         */
1204        @Deprecated
1205        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1206
1207        /**
1208         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1209         * instead
1210         */
1211        @Deprecated
1212        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1213
1214        /**
1215         * @deprecated Use
1216         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1217         * instead
1218         */
1219        @Deprecated
1220        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1221            "lock_pattern_tactile_feedback_enabled";
1222
1223
1224        /**
1225         * A formatted string of the next alarm that is set, or the empty string
1226         * if there is no alarm set.
1227         */
1228        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1229
1230        /**
1231         * Scaling factor for fonts, float.
1232         */
1233        public static final String FONT_SCALE = "font_scale";
1234
1235        /**
1236         * Name of an application package to be debugged.
1237         */
1238        public static final String DEBUG_APP = "debug_app";
1239
1240        /**
1241         * If 1, when launching DEBUG_APP it will wait for the debugger before
1242         * starting user code.  If 0, it will run normally.
1243         */
1244        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1245
1246        /**
1247         * Whether or not to dim the screen. 0=no  1=yes
1248         */
1249        public static final String DIM_SCREEN = "dim_screen";
1250
1251        /**
1252         * The timeout before the screen turns off.
1253         */
1254        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1255
1256        /**
1257         * If 0, the compatibility mode is off for all applications.
1258         * If 1, older applications run under compatibility mode.
1259         * TODO: remove this settings before code freeze (bug/1907571)
1260         * @hide
1261         */
1262        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1263
1264        /**
1265         * The screen backlight brightness between 0 and 255.
1266         */
1267        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1268
1269        /**
1270         * Control whether to enable automatic brightness mode.
1271         */
1272        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1273
1274        /**
1275         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1276         */
1277        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1278
1279        /**
1280         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1281         */
1282        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1283
1284        /**
1285         * Control whether the process CPU usage meter should be shown.
1286         */
1287        public static final String SHOW_PROCESSES = "show_processes";
1288
1289        /**
1290         * If 1, the activity manager will aggressively finish activities and
1291         * processes as soon as they are no longer needed.  If 0, the normal
1292         * extended lifetime is used.
1293         */
1294        public static final String ALWAYS_FINISH_ACTIVITIES =
1295                "always_finish_activities";
1296
1297
1298        /**
1299         * Ringer mode. This is used internally, changing this value will not
1300         * change the ringer mode. See AudioManager.
1301         */
1302        public static final String MODE_RINGER = "mode_ringer";
1303
1304        /**
1305         * Determines which streams are affected by ringer mode changes. The
1306         * stream type's bit should be set to 1 if it should be muted when going
1307         * into an inaudible ringer mode.
1308         */
1309        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1310
1311         /**
1312          * Determines which streams are affected by mute. The
1313          * stream type's bit should be set to 1 if it should be muted when a mute request
1314          * is received.
1315          */
1316         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1317
1318        /**
1319         * Whether vibrate is on for different events. This is used internally,
1320         * changing this value will not change the vibrate. See AudioManager.
1321         */
1322        public static final String VIBRATE_ON = "vibrate_on";
1323
1324        /**
1325         * Ringer volume. This is used internally, changing this value will not
1326         * change the volume. See AudioManager.
1327         */
1328        public static final String VOLUME_RING = "volume_ring";
1329
1330        /**
1331         * System/notifications volume. This is used internally, changing this
1332         * value will not change the volume. See AudioManager.
1333         */
1334        public static final String VOLUME_SYSTEM = "volume_system";
1335
1336        /**
1337         * Voice call volume. This is used internally, changing this value will
1338         * not change the volume. See AudioManager.
1339         */
1340        public static final String VOLUME_VOICE = "volume_voice";
1341
1342        /**
1343         * Music/media/gaming volume. This is used internally, changing this
1344         * value will not change the volume. See AudioManager.
1345         */
1346        public static final String VOLUME_MUSIC = "volume_music";
1347
1348        /**
1349         * Alarm volume. This is used internally, changing this
1350         * value will not change the volume. See AudioManager.
1351         */
1352        public static final String VOLUME_ALARM = "volume_alarm";
1353
1354        /**
1355         * Notification volume. This is used internally, changing this
1356         * value will not change the volume. See AudioManager.
1357         */
1358        public static final String VOLUME_NOTIFICATION = "volume_notification";
1359
1360        /**
1361         * Bluetooth Headset volume. This is used internally, changing this value will
1362         * not change the volume. See AudioManager.
1363         */
1364        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1365
1366        /**
1367         * Whether the notifications should use the ring volume (value of 1) or
1368         * a separate notification volume (value of 0). In most cases, users
1369         * will have this enabled so the notification and ringer volumes will be
1370         * the same. However, power users can disable this and use the separate
1371         * notification volume control.
1372         * <p>
1373         * Note: This is a one-off setting that will be removed in the future
1374         * when there is profile support. For this reason, it is kept hidden
1375         * from the public APIs.
1376         *
1377         * @hide
1378         */
1379        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1380            "notifications_use_ring_volume";
1381
1382        /**
1383         * Whether silent mode should allow vibration feedback. This is used
1384         * internally in AudioService and the Sound settings activity to
1385         * coordinate decoupling of vibrate and silent modes. This setting
1386         * will likely be removed in a future release with support for
1387         * audio/vibe feedback profiles.
1388         *
1389         * @hide
1390         */
1391        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1392
1393        /**
1394         * The mapping of stream type (integer) to its setting.
1395         */
1396        public static final String[] VOLUME_SETTINGS = {
1397            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1398            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1399        };
1400
1401        /**
1402         * Appended to various volume related settings to record the previous
1403         * values before they the settings were affected by a silent/vibrate
1404         * ringer mode change.
1405         */
1406        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1407
1408        /**
1409         * Persistent store for the system-wide default ringtone URI.
1410         * <p>
1411         * If you need to play the default ringtone at any given time, it is recommended
1412         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1413         * to the set default ringtone at the time of playing.
1414         *
1415         * @see #DEFAULT_RINGTONE_URI
1416         */
1417        public static final String RINGTONE = "ringtone";
1418
1419        /**
1420         * A {@link Uri} that will point to the current default ringtone at any
1421         * given time.
1422         * <p>
1423         * If the current default ringtone is in the DRM provider and the caller
1424         * does not have permission, the exception will be a
1425         * FileNotFoundException.
1426         */
1427        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1428
1429        /**
1430         * Persistent store for the system-wide default notification sound.
1431         *
1432         * @see #RINGTONE
1433         * @see #DEFAULT_NOTIFICATION_URI
1434         */
1435        public static final String NOTIFICATION_SOUND = "notification_sound";
1436
1437        /**
1438         * A {@link Uri} that will point to the current default notification
1439         * sound at any given time.
1440         *
1441         * @see #DEFAULT_RINGTONE_URI
1442         */
1443        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1444
1445        /**
1446         * Persistent store for the system-wide default alarm alert.
1447         *
1448         * @see #RINGTONE
1449         * @see #DEFAULT_ALARM_ALERT_URI
1450         */
1451        public static final String ALARM_ALERT = "alarm_alert";
1452
1453        /**
1454         * A {@link Uri} that will point to the current default alarm alert at
1455         * any given time.
1456         *
1457         * @see #DEFAULT_ALARM_ALERT_URI
1458         */
1459        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1460
1461        /**
1462         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1463         */
1464        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1465
1466        /**
1467         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1468         */
1469        public static final String TEXT_AUTO_CAPS = "auto_caps";
1470
1471        /**
1472         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1473         * feature converts two spaces to a "." and space.
1474         */
1475        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1476
1477        /**
1478         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1479         */
1480        public static final String TEXT_SHOW_PASSWORD = "show_password";
1481
1482        public static final String SHOW_GTALK_SERVICE_STATUS =
1483                "SHOW_GTALK_SERVICE_STATUS";
1484
1485        /**
1486         * Name of activity to use for wallpaper on the home screen.
1487         */
1488        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1489
1490        /**
1491         * Value to specify if the user prefers the date, time and time zone
1492         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1493         */
1494        public static final String AUTO_TIME = "auto_time";
1495
1496        /**
1497         * Display times as 12 or 24 hours
1498         *   12
1499         *   24
1500         */
1501        public static final String TIME_12_24 = "time_12_24";
1502
1503        /**
1504         * Date format string
1505         *   mm/dd/yyyy
1506         *   dd/mm/yyyy
1507         *   yyyy/mm/dd
1508         */
1509        public static final String DATE_FORMAT = "date_format";
1510
1511        /**
1512         * Whether the setup wizard has been run before (on first boot), or if
1513         * it still needs to be run.
1514         *
1515         * nonzero = it has been run in the past
1516         * 0 = it has not been run in the past
1517         */
1518        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1519
1520        /**
1521         * Scaling factor for normal window animations. Setting to 0 will disable window
1522         * animations.
1523         */
1524        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1525
1526        /**
1527         * Scaling factor for activity transition animations. Setting to 0 will disable window
1528         * animations.
1529         */
1530        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1531
1532        /**
1533         * Scaling factor for normal window animations. Setting to 0 will disable window
1534         * animations.
1535         * @hide
1536         */
1537        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1538
1539        /**
1540         * Control whether the accelerometer will be used to change screen
1541         * orientation.  If 0, it will not be used unless explicitly requested
1542         * by the application; if 1, it will be used by default unless explicitly
1543         * disabled by the application.
1544         */
1545        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1546
1547        /**
1548         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1549         * boolean (1 or 0).
1550         */
1551        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1552
1553        /**
1554         * CDMA only settings
1555         * DTMF tone type played by the dialer when dialing.
1556         *                 0 = Normal
1557         *                 1 = Long
1558         * @hide
1559         */
1560        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1561
1562        /**
1563         * CDMA only settings
1564         * Emergency Tone  0 = Off
1565         *                 1 = Alert
1566         *                 2 = Vibrate
1567         * @hide
1568         */
1569        public static final String EMERGENCY_TONE = "emergency_tone";
1570
1571        /**
1572         * CDMA only settings
1573         * Whether the auto retry is enabled. The value is
1574         * boolean (1 or 0).
1575         * @hide
1576         */
1577        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1578
1579        /**
1580         * Whether the hearing aid is enabled. The value is
1581         * boolean (1 or 0).
1582         * @hide
1583         */
1584        public static final String HEARING_AID = "hearing_aid";
1585
1586        /**
1587         * CDMA only settings
1588         * TTY Mode
1589         * 0 = OFF
1590         * 1 = FULL
1591         * 2 = VCO
1592         * 3 = HCO
1593         * @hide
1594         */
1595        public static final String TTY_MODE = "tty_mode";
1596
1597        /**
1598         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1599         * boolean (1 or 0).
1600         */
1601        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1602
1603        /**
1604         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1605         * boolean (1 or 0).
1606         */
1607        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1608
1609        /**
1610         * Whether live web suggestions while the user types into search dialogs are
1611         * enabled. Browsers and other search UIs should respect this, as it allows
1612         * a user to avoid sending partial queries to a search engine, if it poses
1613         * any privacy concern. The value is boolean (1 or 0).
1614         */
1615        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1616
1617        /**
1618         * Whether the notification LED should repeatedly flash when a notification is
1619         * pending. The value is boolean (1 or 0).
1620         * @hide
1621         */
1622        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1623
1624        /**
1625         * Show pointer location on screen?
1626         * 0 = no
1627         * 1 = yes
1628         * @hide
1629         */
1630        public static final String POINTER_LOCATION = "pointer_location";
1631
1632        /**
1633         * Whether to play a sound for low-battery alerts.
1634         * @hide
1635         */
1636        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1637
1638        /**
1639         * Whether to play a sound for dock events.
1640         * @hide
1641         */
1642        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1643
1644        /**
1645         * Whether to play sounds when the keyguard is shown and dismissed.
1646         * @hide
1647         */
1648        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1649
1650        /**
1651         * URI for the low battery sound file.
1652         * @hide
1653         */
1654        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1655
1656        /**
1657         * URI for the desk dock "in" event sound.
1658         * @hide
1659         */
1660        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1661
1662        /**
1663         * URI for the desk dock "out" event sound.
1664         * @hide
1665         */
1666        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1667
1668        /**
1669         * URI for the car dock "in" event sound.
1670         * @hide
1671         */
1672        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1673
1674        /**
1675         * URI for the car dock "out" event sound.
1676         * @hide
1677         */
1678        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1679
1680        /**
1681         * URI for the "device locked" (keyguard shown) sound.
1682         * @hide
1683         */
1684        public static final String LOCK_SOUND = "lock_sound";
1685
1686        /**
1687         * URI for the "device unlocked" (keyguard dismissed) sound.
1688         * @hide
1689         */
1690        public static final String UNLOCK_SOUND = "unlock_sound";
1691
1692        /**
1693         * True if we should appear as a PTP device instead of MTP.
1694         * @hide
1695         */
1696        public static final String USE_PTP_INTERFACE = "use_ptp_interface";
1697
1698        /**
1699         * Receive incoming SIP calls?
1700         * 0 = no
1701         * 1 = yes
1702         * @hide
1703         */
1704        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1705
1706        /**
1707         * Call Preference String.
1708         * "SIP_ALWAYS" : Always use SIP with network access
1709         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1710         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1711         * @hide
1712         */
1713        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1714
1715        /**
1716         * One of the sip call options: Always use SIP with network access.
1717         * @hide
1718         */
1719        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1720
1721        /**
1722         * One of the sip call options: Only if destination is a SIP address.
1723         * @hide
1724         */
1725        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1726
1727        /**
1728         * One of the sip call options: Always ask me each time.
1729         * @hide
1730         */
1731        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1732
1733        /**
1734         * Settings to backup. This is here so that it's in the same place as the settings
1735         * keys and easy to update.
1736         * @hide
1737         */
1738        public static final String[] SETTINGS_TO_BACKUP = {
1739            STAY_ON_WHILE_PLUGGED_IN,
1740            WIFI_SLEEP_POLICY,
1741            WIFI_USE_STATIC_IP,
1742            WIFI_STATIC_IP,
1743            WIFI_STATIC_GATEWAY,
1744            WIFI_STATIC_NETMASK,
1745            WIFI_STATIC_DNS1,
1746            WIFI_STATIC_DNS2,
1747            BLUETOOTH_DISCOVERABILITY,
1748            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1749            DIM_SCREEN,
1750            SCREEN_OFF_TIMEOUT,
1751            SCREEN_BRIGHTNESS,
1752            SCREEN_BRIGHTNESS_MODE,
1753            VIBRATE_ON,
1754            NOTIFICATIONS_USE_RING_VOLUME,
1755            MODE_RINGER,
1756            MODE_RINGER_STREAMS_AFFECTED,
1757            MUTE_STREAMS_AFFECTED,
1758            VOLUME_VOICE,
1759            VOLUME_SYSTEM,
1760            VOLUME_RING,
1761            VOLUME_MUSIC,
1762            VOLUME_ALARM,
1763            VOLUME_NOTIFICATION,
1764            VOLUME_BLUETOOTH_SCO,
1765            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1766            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1767            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1768            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1769            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1770            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1771            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1772            VIBRATE_IN_SILENT,
1773            TEXT_AUTO_REPLACE,
1774            TEXT_AUTO_CAPS,
1775            TEXT_AUTO_PUNCTUATE,
1776            TEXT_SHOW_PASSWORD,
1777            AUTO_TIME,
1778            TIME_12_24,
1779            DATE_FORMAT,
1780            ACCELEROMETER_ROTATION,
1781            DTMF_TONE_WHEN_DIALING,
1782            DTMF_TONE_TYPE_WHEN_DIALING,
1783            EMERGENCY_TONE,
1784            CALL_AUTO_RETRY,
1785            HEARING_AID,
1786            TTY_MODE,
1787            SOUND_EFFECTS_ENABLED,
1788            HAPTIC_FEEDBACK_ENABLED,
1789            POWER_SOUNDS_ENABLED,
1790            DOCK_SOUNDS_ENABLED,
1791            LOCKSCREEN_SOUNDS_ENABLED,
1792            SHOW_WEB_SUGGESTIONS,
1793            NOTIFICATION_LIGHT_PULSE,
1794            USE_PTP_INTERFACE,
1795            SIP_CALL_OPTIONS,
1796            SIP_RECEIVE_CALLS
1797        };
1798
1799        // Settings moved to Settings.Secure
1800
1801        /**
1802         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1803         * instead
1804         */
1805        @Deprecated
1806        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1807
1808        /**
1809         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1810         */
1811        @Deprecated
1812        public static final String ANDROID_ID = Secure.ANDROID_ID;
1813
1814        /**
1815         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1816         */
1817        @Deprecated
1818        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1819
1820        /**
1821         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1822         */
1823        @Deprecated
1824        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1825
1826        /**
1827         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1828         */
1829        @Deprecated
1830        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1831
1832        /**
1833         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1834         */
1835        @Deprecated
1836        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1837
1838        /**
1839         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1840         */
1841        @Deprecated
1842        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1843
1844        /**
1845         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1846         * instead
1847         */
1848        @Deprecated
1849        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1850
1851        /**
1852         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1853         */
1854        @Deprecated
1855        public static final String LOGGING_ID = Secure.LOGGING_ID;
1856
1857        /**
1858         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1859         */
1860        @Deprecated
1861        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1862
1863        /**
1864         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1865         * instead
1866         */
1867        @Deprecated
1868        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1869
1870        /**
1871         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1872         * instead
1873         */
1874        @Deprecated
1875        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1876
1877        /**
1878         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1879         * instead
1880         */
1881        @Deprecated
1882        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1883            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1884
1885        /**
1886         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1887         */
1888        @Deprecated
1889        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1890
1891        /**
1892         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1893         */
1894        @Deprecated
1895        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1896
1897        /**
1898         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1899         */
1900        @Deprecated
1901        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1902
1903       /**
1904         * @deprecated Use
1905         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1906         */
1907        @Deprecated
1908        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1909
1910        /**
1911         * @deprecated Use
1912         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1913         */
1914        @Deprecated
1915        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1916                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1917
1918        /**
1919         * @deprecated Use
1920         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1921         */
1922        @Deprecated
1923        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1924            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1925
1926        /**
1927         * @deprecated Use
1928         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1929         */
1930        @Deprecated
1931        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1932            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1933
1934        /**
1935         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1936         * instead
1937         */
1938        @Deprecated
1939        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1940
1941        /**
1942         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1943         */
1944        @Deprecated
1945        public static final String WIFI_ON = Secure.WIFI_ON;
1946
1947        /**
1948         * @deprecated Use
1949         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1950         * instead
1951         */
1952        @Deprecated
1953        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1954                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1955
1956        /**
1957         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1958         */
1959        @Deprecated
1960        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1961
1962        /**
1963         * @deprecated Use
1964         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1965         */
1966        @Deprecated
1967        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1968                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1969
1970        /**
1971         * @deprecated Use
1972         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1973         */
1974        @Deprecated
1975        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1976                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1977
1978        /**
1979         * @deprecated Use
1980         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1981         * instead
1982         */
1983        @Deprecated
1984        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1985                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1986
1987        /**
1988         * @deprecated Use
1989         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1990         */
1991        @Deprecated
1992        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1993            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1994
1995        /**
1996         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1997         * instead
1998         */
1999        @Deprecated
2000        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2001
2002        /**
2003         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2004         */
2005        @Deprecated
2006        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2007
2008        /**
2009         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2010         */
2011        @Deprecated
2012        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2013
2014        /**
2015         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2016         * instead
2017         */
2018        @Deprecated
2019        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2020
2021        /**
2022         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2023         * instead
2024         */
2025        @Deprecated
2026        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2027            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2028    }
2029
2030    /**
2031     * Secure system settings, containing system preferences that applications
2032     * can read but are not allowed to write.  These are for preferences that
2033     * the user must explicitly modify through the system UI or specialized
2034     * APIs for those values, not modified directly by applications.
2035     */
2036    public static final class Secure extends NameValueTable {
2037        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2038
2039        // Populated lazily, guarded by class object:
2040        private static NameValueCache sNameValueCache = null;
2041
2042        /**
2043         * Look up a name in the database.
2044         * @param resolver to access the database with
2045         * @param name to look up in the table
2046         * @return the corresponding value, or null if not present
2047         */
2048        public synchronized static String getString(ContentResolver resolver, String name) {
2049            if (sNameValueCache == null) {
2050                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2051                                                     CALL_METHOD_GET_SECURE);
2052            }
2053            return sNameValueCache.getString(resolver, name);
2054        }
2055
2056        /**
2057         * Store a name/value pair into the database.
2058         * @param resolver to access the database with
2059         * @param name to store
2060         * @param value to associate with the name
2061         * @return true if the value was set, false on database errors
2062         */
2063        public static boolean putString(ContentResolver resolver,
2064                String name, String value) {
2065            return putString(resolver, CONTENT_URI, name, value);
2066        }
2067
2068        /**
2069         * Construct the content URI for a particular name/value pair,
2070         * useful for monitoring changes with a ContentObserver.
2071         * @param name to look up in the table
2072         * @return the corresponding content URI, or null if not present
2073         */
2074        public static Uri getUriFor(String name) {
2075            return getUriFor(CONTENT_URI, name);
2076        }
2077
2078        /**
2079         * Convenience function for retrieving a single secure settings value
2080         * as an integer.  Note that internally setting values are always
2081         * stored as strings; this function converts the string to an integer
2082         * for you.  The default value will be returned if the setting is
2083         * not defined or not an integer.
2084         *
2085         * @param cr The ContentResolver to access.
2086         * @param name The name of the setting to retrieve.
2087         * @param def Value to return if the setting is not defined.
2088         *
2089         * @return The setting's current value, or 'def' if it is not defined
2090         * or not a valid integer.
2091         */
2092        public static int getInt(ContentResolver cr, String name, int def) {
2093            String v = getString(cr, name);
2094            try {
2095                return v != null ? Integer.parseInt(v) : def;
2096            } catch (NumberFormatException e) {
2097                return def;
2098            }
2099        }
2100
2101        /**
2102         * Convenience function for retrieving a single secure settings value
2103         * as an integer.  Note that internally setting values are always
2104         * stored as strings; this function converts the string to an integer
2105         * for you.
2106         * <p>
2107         * This version does not take a default value.  If the setting has not
2108         * been set, or the string value is not a number,
2109         * it throws {@link SettingNotFoundException}.
2110         *
2111         * @param cr The ContentResolver to access.
2112         * @param name The name of the setting to retrieve.
2113         *
2114         * @throws SettingNotFoundException Thrown if a setting by the given
2115         * name can't be found or the setting value is not an integer.
2116         *
2117         * @return The setting's current value.
2118         */
2119        public static int getInt(ContentResolver cr, String name)
2120                throws SettingNotFoundException {
2121            String v = getString(cr, name);
2122            try {
2123                return Integer.parseInt(v);
2124            } catch (NumberFormatException e) {
2125                throw new SettingNotFoundException(name);
2126            }
2127        }
2128
2129        /**
2130         * Convenience function for updating a single settings value as an
2131         * integer. This will either create a new entry in the table if the
2132         * given name does not exist, or modify the value of the existing row
2133         * with that name.  Note that internally setting values are always
2134         * stored as strings, so this function converts the given value to a
2135         * string before storing it.
2136         *
2137         * @param cr The ContentResolver to access.
2138         * @param name The name of the setting to modify.
2139         * @param value The new value for the setting.
2140         * @return true if the value was set, false on database errors
2141         */
2142        public static boolean putInt(ContentResolver cr, String name, int value) {
2143            return putString(cr, name, Integer.toString(value));
2144        }
2145
2146        /**
2147         * Convenience function for retrieving a single secure settings value
2148         * as a {@code long}.  Note that internally setting values are always
2149         * stored as strings; this function converts the string to a {@code long}
2150         * for you.  The default value will be returned if the setting is
2151         * not defined or not a {@code long}.
2152         *
2153         * @param cr The ContentResolver to access.
2154         * @param name The name of the setting to retrieve.
2155         * @param def Value to return if the setting is not defined.
2156         *
2157         * @return The setting's current value, or 'def' if it is not defined
2158         * or not a valid {@code long}.
2159         */
2160        public static long getLong(ContentResolver cr, String name, long def) {
2161            String valString = getString(cr, name);
2162            long value;
2163            try {
2164                value = valString != null ? Long.parseLong(valString) : def;
2165            } catch (NumberFormatException e) {
2166                value = def;
2167            }
2168            return value;
2169        }
2170
2171        /**
2172         * Convenience function for retrieving a single secure settings value
2173         * as a {@code long}.  Note that internally setting values are always
2174         * stored as strings; this function converts the string to a {@code long}
2175         * for you.
2176         * <p>
2177         * This version does not take a default value.  If the setting has not
2178         * been set, or the string value is not a number,
2179         * it throws {@link SettingNotFoundException}.
2180         *
2181         * @param cr The ContentResolver to access.
2182         * @param name The name of the setting to retrieve.
2183         *
2184         * @return The setting's current value.
2185         * @throws SettingNotFoundException Thrown if a setting by the given
2186         * name can't be found or the setting value is not an integer.
2187         */
2188        public static long getLong(ContentResolver cr, String name)
2189                throws SettingNotFoundException {
2190            String valString = getString(cr, name);
2191            try {
2192                return Long.parseLong(valString);
2193            } catch (NumberFormatException e) {
2194                throw new SettingNotFoundException(name);
2195            }
2196        }
2197
2198        /**
2199         * Convenience function for updating a secure settings value as a long
2200         * integer. This will either create a new entry in the table if the
2201         * given name does not exist, or modify the value of the existing row
2202         * with that name.  Note that internally setting values are always
2203         * stored as strings, so this function converts the given value to a
2204         * string before storing it.
2205         *
2206         * @param cr The ContentResolver to access.
2207         * @param name The name of the setting to modify.
2208         * @param value The new value for the setting.
2209         * @return true if the value was set, false on database errors
2210         */
2211        public static boolean putLong(ContentResolver cr, String name, long value) {
2212            return putString(cr, name, Long.toString(value));
2213        }
2214
2215        /**
2216         * Convenience function for retrieving a single secure settings value
2217         * as a floating point number.  Note that internally setting values are
2218         * always stored as strings; this function converts the string to an
2219         * float for you. The default value will be returned if the setting
2220         * is not defined or not a valid float.
2221         *
2222         * @param cr The ContentResolver to access.
2223         * @param name The name of the setting to retrieve.
2224         * @param def Value to return if the setting is not defined.
2225         *
2226         * @return The setting's current value, or 'def' if it is not defined
2227         * or not a valid float.
2228         */
2229        public static float getFloat(ContentResolver cr, String name, float def) {
2230            String v = getString(cr, name);
2231            try {
2232                return v != null ? Float.parseFloat(v) : def;
2233            } catch (NumberFormatException e) {
2234                return def;
2235            }
2236        }
2237
2238        /**
2239         * Convenience function for retrieving a single secure settings value
2240         * as a float.  Note that internally setting values are always
2241         * stored as strings; this function converts the string to a float
2242         * for you.
2243         * <p>
2244         * This version does not take a default value.  If the setting has not
2245         * been set, or the string value is not a number,
2246         * it throws {@link SettingNotFoundException}.
2247         *
2248         * @param cr The ContentResolver to access.
2249         * @param name The name of the setting to retrieve.
2250         *
2251         * @throws SettingNotFoundException Thrown if a setting by the given
2252         * name can't be found or the setting value is not a float.
2253         *
2254         * @return The setting's current value.
2255         */
2256        public static float getFloat(ContentResolver cr, String name)
2257                throws SettingNotFoundException {
2258            String v = getString(cr, name);
2259            try {
2260                return Float.parseFloat(v);
2261            } catch (NumberFormatException e) {
2262                throw new SettingNotFoundException(name);
2263            }
2264        }
2265
2266        /**
2267         * Convenience function for updating a single settings value as a
2268         * floating point number. This will either create a new entry in the
2269         * table if the given name does not exist, or modify the value of the
2270         * existing row with that name.  Note that internally setting values
2271         * are always stored as strings, so this function converts the given
2272         * value to a string before storing it.
2273         *
2274         * @param cr The ContentResolver to access.
2275         * @param name The name of the setting to modify.
2276         * @param value The new value for the setting.
2277         * @return true if the value was set, false on database errors
2278         */
2279        public static boolean putFloat(ContentResolver cr, String name, float value) {
2280            return putString(cr, name, Float.toString(value));
2281        }
2282
2283        /**
2284         * The content:// style URL for this table
2285         */
2286        public static final Uri CONTENT_URI =
2287            Uri.parse("content://" + AUTHORITY + "/secure");
2288
2289        /**
2290         * Whether ADB is enabled.
2291         */
2292        public static final String ADB_ENABLED = "adb_enabled";
2293
2294        /**
2295         * Setting to allow mock locations and location provider status to be injected into the
2296         * LocationManager service for testing purposes during application development.  These
2297         * locations and status values  override actual location and status information generated
2298         * by network, gps, or other location providers.
2299         */
2300        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2301
2302        /**
2303         * A 64-bit number (as a hex string) that is randomly
2304         * generated on the device's first boot and should remain
2305         * constant for the lifetime of the device.  (The value may
2306         * change if a factory reset is performed on the device.)
2307         */
2308        public static final String ANDROID_ID = "android_id";
2309
2310        /**
2311         * Whether bluetooth is enabled/disabled
2312         * 0=disabled. 1=enabled.
2313         */
2314        public static final String BLUETOOTH_ON = "bluetooth_on";
2315
2316        /**
2317         * Get the key that retrieves a bluetooth headset's priority.
2318         * @hide
2319         */
2320        public static final String getBluetoothHeadsetPriorityKey(String address) {
2321            return ("bluetooth_headset_priority_" + address.toUpperCase());
2322        }
2323
2324        /**
2325         * Get the key that retrieves a bluetooth a2dp sink's priority.
2326         * @hide
2327         */
2328        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2329            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2330        }
2331
2332        /**
2333         * Get the key that retrieves a bluetooth Input Device's priority.
2334         * @hide
2335         */
2336        public static final String getBluetoothInputDevicePriorityKey(String address) {
2337            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2338        }
2339
2340        /**
2341         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2342         */
2343        public static final String DATA_ROAMING = "data_roaming";
2344
2345        /**
2346         * Setting to record the input method used by default, holding the ID
2347         * of the desired method.
2348         */
2349        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2350
2351        /**
2352         * Whether the device has been provisioned (0 = false, 1 = true)
2353         */
2354        public static final String DEVICE_PROVISIONED = "device_provisioned";
2355
2356        /**
2357         * List of input methods that are currently enabled.  This is a string
2358         * containing the IDs of all enabled input methods, each ID separated
2359         * by ':'.
2360         */
2361        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2362
2363        /**
2364         * List of system input methods that are currently disabled.  This is a string
2365         * containing the IDs of all disabled input methods, each ID separated
2366         * by ':'.
2367         * @hide
2368         */
2369        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2370
2371        /**
2372         * Host name and port for global proxy.
2373         */
2374        public static final String HTTP_PROXY = "http_proxy";
2375
2376        /**
2377         * Exclusion list for global proxy. This string contains a list of comma-separated
2378         * domains where the global proxy does not apply. Domains should be listed in a comma-
2379         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2380         * @hide
2381         */
2382        public static final String HTTP_PROXY_EXCLUSION_LIST = "http_proxy_exclusion_list";
2383
2384        /**
2385         * Enables the UI setting to allow the user to specify the global HTTP proxy
2386         * and associated exclusion list.
2387         * @hide
2388         */
2389        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2390
2391        /**
2392         * Setting for default DNS in case nobody suggests one
2393         * @hide
2394         */
2395        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2396
2397        /**
2398         * Whether the package installer should allow installation of apps downloaded from
2399         * sources other than the Android Market (vending machine).
2400         *
2401         * 1 = allow installing from other sources
2402         * 0 = only allow installing from the Android Market
2403         */
2404        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2405
2406        /**
2407         * Comma-separated list of location providers that activities may access.
2408         */
2409        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2410
2411        /**
2412         * Whether autolock is enabled (0 = false, 1 = true)
2413         */
2414        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2415
2416        /**
2417         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2418         */
2419        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2420
2421        /**
2422         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2423         */
2424        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2425            "lock_pattern_tactile_feedback_enabled";
2426
2427        /**
2428         * This preference allows the device to be locked given time after screen goes off,
2429         * subject to current DeviceAdmin policy limits.
2430         * @hide
2431         */
2432        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2433
2434
2435        /**
2436         * Whether assisted GPS should be enabled or not.
2437         * @hide
2438         */
2439        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2440
2441        /**
2442         * The Logging ID (a unique 64-bit value) as a hex string.
2443         * Used as a pseudonymous identifier for logging.
2444         * @deprecated This identifier is poorly initialized and has
2445         * many collisions.  It should not be used.
2446         */
2447        @Deprecated
2448        public static final String LOGGING_ID = "logging_id";
2449
2450        /**
2451         * User preference for which network(s) should be used. Only the
2452         * connectivity service should touch this.
2453         */
2454        public static final String NETWORK_PREFERENCE = "network_preference";
2455
2456        /**
2457         * Used to disable Tethering on a device - defaults to true
2458         * @hide
2459         */
2460        public static final String TETHER_SUPPORTED = "tether_supported";
2461
2462        /**
2463         * Used to require DUN APN on the device or not - defaults to a build config value
2464         * which defaults to false
2465         * @hide
2466         */
2467        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2468
2469        /**
2470         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2471         * corresponding build config values are set it will override the APN DB
2472         * values.
2473         * Consists of a comma seperated list of strings:
2474         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2475         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2476         * @hide
2477         */
2478        public static final String TETHER_DUN_APN = "tether_dun_apn";
2479
2480        /**
2481         * No longer supported.
2482         */
2483        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2484
2485        /**
2486         * No longer supported.
2487         */
2488        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2489
2490        /**
2491         * No longer supported.
2492         */
2493        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2494
2495        /**
2496         * A positive value indicates the frequency of SamplingProfiler
2497         * taking snapshots in hertz. Zero value means SamplingProfiler is disabled.
2498         *
2499         * @hide
2500         */
2501        public static final String SAMPLING_PROFILER_HZ = "sampling_profiler_hz";
2502
2503        /**
2504         * Settings classname to launch when Settings is clicked from All
2505         * Applications.  Needed because of user testing between the old
2506         * and new Settings apps.
2507         */
2508        // TODO: 881807
2509        public static final String SETTINGS_CLASSNAME = "settings_classname";
2510
2511        /**
2512         * USB Mass Storage Enabled
2513         */
2514        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2515
2516        /**
2517         * If this setting is set (to anything), then all references
2518         * to Gmail on the device must change to Google Mail.
2519         */
2520        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2521
2522        /**
2523         * If accessibility is enabled.
2524         */
2525        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2526
2527        /**
2528         * List of the enabled accessibility providers.
2529         */
2530        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2531            "enabled_accessibility_services";
2532
2533        /**
2534         * If injection of accessibility enhancing JavaScript scripts
2535         * is enabled.
2536         * <p>
2537         *   Note: Accessibility injecting scripts are served by the
2538         *   Google infrastructure and enable users with disabilities to
2539         *   efficiantly navigate in and explore web content.
2540         * </p>
2541         * <p>
2542         *   This property represents a boolean value.
2543         * </p>
2544         * @hide
2545         */
2546        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2547            "accessibility_script_injection";
2548
2549        /**
2550         * Key bindings for navigation in built-in accessibility support for web content.
2551         * <p>
2552         *   Note: These key bindings are for the built-in accessibility navigation for
2553         *   web content which is used as a fall back solution if JavaScript in a WebView
2554         *   is not enabled or the user has not opted-in script injection from Google.
2555         * </p>
2556         * <p>
2557         *   The bindings are separated by semi-colon. A binding is a mapping from
2558         *   a key to a sequence of actions (for more details look at
2559         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2560         *   string representation of an integer obtained from a meta state (optional) shifted
2561         *   sixteen times left and bitwise ored with a key code. An action is represented
2562         *   as a hexademical string representation of an integer where the first two digits
2563         *   are navigation action index, the second, the third, and the fourth digit pairs
2564         *   represent the action arguments. The separate actions in a binding are colon
2565         *   separated. The key and the action sequence it maps to are separated by equals.
2566         * </p>
2567         * <p>
2568         *   For example, the binding below maps the DPAD right button to traverse the
2569         *   current navigation axis once without firing an accessibility event and to
2570         *   perform the same traversal again but to fire an event:
2571         *   <code>
2572         *     0x16=0x01000100:0x01000101;
2573         *   </code>
2574         * </p>
2575         * <p>
2576         *   The goal of this binding is to enable dynamic rebinding of keys to
2577         *   navigation actions for web content without requiring a framework change.
2578         * </p>
2579         * <p>
2580         *   This property represents a string value.
2581         * </p>
2582         * @hide
2583         */
2584        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2585            "accessibility_web_content_key_bindings";
2586
2587        /**
2588         * Setting to always use the default text-to-speech settings regardless
2589         * of the application settings.
2590         * 1 = override application settings,
2591         * 0 = use application settings (if specified).
2592         */
2593        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2594
2595        /**
2596         * Default text-to-speech engine speech rate. 100 = 1x
2597         */
2598        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2599
2600        /**
2601         * Default text-to-speech engine pitch. 100 = 1x
2602         */
2603        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2604
2605        /**
2606         * Default text-to-speech engine.
2607         */
2608        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2609
2610        /**
2611         * Default text-to-speech language.
2612         */
2613        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2614
2615        /**
2616         * Default text-to-speech country.
2617         */
2618        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2619
2620        /**
2621         * Default text-to-speech locale variant.
2622         */
2623        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2624
2625        /**
2626         * Space delimited list of plugin packages that are enabled.
2627         */
2628        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2629
2630        /**
2631         * Whether to notify the user of open networks.
2632         * <p>
2633         * If not connected and the scan results have an open network, we will
2634         * put this notification up. If we attempt to connect to a network or
2635         * the open network(s) disappear, we remove the notification. When we
2636         * show the notification, we will not show it again for
2637         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2638         */
2639        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2640                "wifi_networks_available_notification_on";
2641
2642        /**
2643         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2644         * Connecting to a network will reset the timer.
2645         */
2646        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2647                "wifi_networks_available_repeat_delay";
2648
2649        /**
2650         * The number of radio channels that are allowed in the local
2651         * 802.11 regulatory domain.
2652         * @hide
2653         */
2654        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2655
2656        /**
2657         * When the number of open networks exceeds this number, the
2658         * least-recently-used excess networks will be removed.
2659         */
2660        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2661
2662        /**
2663         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2664         */
2665        public static final String WIFI_ON = "wifi_on";
2666
2667        /**
2668         * Used to save the Wifi_ON state prior to tethering.
2669         * This state will be checked to restore Wifi after
2670         * the user turns off tethering.
2671         *
2672         * @hide
2673         */
2674        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2675
2676        /**
2677         * AP SSID
2678         *
2679         * @hide
2680         */
2681        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2682
2683        /**
2684         * AP security
2685         *
2686         * @hide
2687         */
2688        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2689
2690        /**
2691         * AP passphrase
2692         *
2693         * @hide
2694         */
2695        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2696
2697        /**
2698         * The acceptable packet loss percentage (range 0 - 100) before trying
2699         * another AP on the same network.
2700         */
2701        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2702                "wifi_watchdog_acceptable_packet_loss_percentage";
2703
2704        /**
2705         * The number of access points required for a network in order for the
2706         * watchdog to monitor it.
2707         */
2708        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2709
2710        /**
2711         * The delay between background checks.
2712         */
2713        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2714                "wifi_watchdog_background_check_delay_ms";
2715
2716        /**
2717         * Whether the Wi-Fi watchdog is enabled for background checking even
2718         * after it thinks the user has connected to a good access point.
2719         */
2720        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2721                "wifi_watchdog_background_check_enabled";
2722
2723        /**
2724         * The timeout for a background ping
2725         */
2726        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2727                "wifi_watchdog_background_check_timeout_ms";
2728
2729        /**
2730         * The number of initial pings to perform that *may* be ignored if they
2731         * fail. Again, if these fail, they will *not* be used in packet loss
2732         * calculation. For example, one network always seemed to time out for
2733         * the first couple pings, so this is set to 3 by default.
2734         */
2735        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2736            "wifi_watchdog_initial_ignored_ping_count";
2737
2738        /**
2739         * The maximum number of access points (per network) to attempt to test.
2740         * If this number is reached, the watchdog will no longer monitor the
2741         * initial connection state for the network. This is a safeguard for
2742         * networks containing multiple APs whose DNS does not respond to pings.
2743         */
2744        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2745
2746        /**
2747         * Whether the Wi-Fi watchdog is enabled.
2748         */
2749        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2750
2751        /**
2752         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2753         */
2754        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2755
2756        /**
2757         * The number of pings to test if an access point is a good connection.
2758         */
2759        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2760
2761        /**
2762         * The delay between pings.
2763         */
2764        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2765
2766        /**
2767         * The timeout per ping.
2768         */
2769        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2770
2771        /**
2772         * The maximum number of times we will retry a connection to an access
2773         * point for which we have failed in acquiring an IP address from DHCP.
2774         * A value of N means that we will make N+1 connection attempts in all.
2775         */
2776        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2777
2778        /**
2779         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2780         * data connectivity to be established after a disconnect from Wi-Fi.
2781         */
2782        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2783            "wifi_mobile_data_transition_wakelock_timeout_ms";
2784
2785        /**
2786         * Whether background data usage is allowed by the user. See
2787         * ConnectivityManager for more info.
2788         */
2789        public static final String BACKGROUND_DATA = "background_data";
2790
2791        /**
2792         * Origins for which browsers should allow geolocation by default.
2793         * The value is a space-separated list of origins.
2794         */
2795        public static final String ALLOWED_GEOLOCATION_ORIGINS
2796                = "allowed_geolocation_origins";
2797
2798        /**
2799         * Whether mobile data connections are allowed by the user.  See
2800         * ConnectivityManager for more info.
2801         * @hide
2802         */
2803        public static final String MOBILE_DATA = "mobile_data";
2804
2805        /**
2806         * The CDMA roaming mode 0 = Home Networks, CDMA default
2807         *                       1 = Roaming on Affiliated networks
2808         *                       2 = Roaming on any networks
2809         * @hide
2810         */
2811        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2812
2813        /**
2814         * The CDMA subscription mode 0 = RUIM/SIM (default)
2815         *                                1 = NV
2816         * @hide
2817         */
2818        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2819
2820        /**
2821         * The preferred network mode   7 = Global
2822         *                              6 = EvDo only
2823         *                              5 = CDMA w/o EvDo
2824         *                              4 = CDMA / EvDo auto
2825         *                              3 = GSM / WCDMA auto
2826         *                              2 = WCDMA only
2827         *                              1 = GSM only
2828         *                              0 = GSM / WCDMA preferred
2829         * @hide
2830         */
2831        public static final String PREFERRED_NETWORK_MODE =
2832                "preferred_network_mode";
2833
2834        /**
2835         * The preferred TTY mode     0 = TTy Off, CDMA default
2836         *                            1 = TTY Full
2837         *                            2 = TTY HCO
2838         *                            3 = TTY VCO
2839         * @hide
2840         */
2841        public static final String PREFERRED_TTY_MODE =
2842                "preferred_tty_mode";
2843
2844
2845        /**
2846         * CDMA Cell Broadcast SMS
2847         *                            0 = CDMA Cell Broadcast SMS disabled
2848         *                            1 = CDMA Cell Broadcast SMS enabled
2849         * @hide
2850         */
2851        public static final String CDMA_CELL_BROADCAST_SMS =
2852                "cdma_cell_broadcast_sms";
2853
2854        /**
2855         * The cdma subscription 0 = Subscription from RUIM, when available
2856         *                       1 = Subscription from NV
2857         * @hide
2858         */
2859        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2860                "preferred_cdma_subscription";
2861
2862        /**
2863         * Whether the enhanced voice privacy mode is enabled.
2864         * 0 = normal voice privacy
2865         * 1 = enhanced voice privacy
2866         * @hide
2867         */
2868        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2869
2870        /**
2871         * Whether the TTY mode mode is enabled.
2872         * 0 = disabled
2873         * 1 = enabled
2874         * @hide
2875         */
2876        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2877
2878        /**
2879         * Controls whether settings backup is enabled.
2880         * Type: int ( 0 = disabled, 1 = enabled )
2881         * @hide
2882         */
2883        public static final String BACKUP_ENABLED = "backup_enabled";
2884
2885        /**
2886         * Controls whether application data is automatically restored from backup
2887         * at install time.
2888         * Type: int ( 0 = disabled, 1 = enabled )
2889         * @hide
2890         */
2891        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2892
2893        /**
2894         * Indicates whether settings backup has been fully provisioned.
2895         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2896         * @hide
2897         */
2898        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2899
2900        /**
2901         * Component of the transport to use for backup/restore.
2902         * @hide
2903         */
2904        public static final String BACKUP_TRANSPORT = "backup_transport";
2905
2906        /**
2907         * Version for which the setup wizard was last shown.  Bumped for
2908         * each release when there is new setup information to show.
2909         * @hide
2910         */
2911        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2912
2913        /**
2914         * How frequently (in seconds) to check the memory status of the
2915         * device.
2916         * @hide
2917         */
2918        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2919
2920        /**
2921         * Max frequency (in seconds) to log memory check stats, in realtime
2922         * seconds.  This allows for throttling of logs when the device is
2923         * running for large amounts of time.
2924         * @hide
2925         */
2926        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2927                "memcheck_log_realtime_interval";
2928
2929        /**
2930         * Boolean indicating whether rebooting due to system memory checks
2931         * is enabled.
2932         * @hide
2933         */
2934        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2935
2936        /**
2937         * How many bytes the system process must be below to avoid scheduling
2938         * a soft reboot.  This reboot will happen when it is next determined
2939         * to be a good time.
2940         * @hide
2941         */
2942        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2943
2944        /**
2945         * How many bytes the system process must be below to avoid scheduling
2946         * a hard reboot.  This reboot will happen immediately.
2947         * @hide
2948         */
2949        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2950
2951        /**
2952         * How many bytes the phone process must be below to avoid scheduling
2953         * a soft restart.  This restart will happen when it is next determined
2954         * to be a good time.
2955         * @hide
2956         */
2957        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2958
2959        /**
2960         * How many bytes the phone process must be below to avoid scheduling
2961         * a hard restart.  This restart will happen immediately.
2962         * @hide
2963         */
2964        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2965
2966        /**
2967         * Boolean indicating whether restarting the phone process due to
2968         * memory checks is enabled.
2969         * @hide
2970         */
2971        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2972
2973        /**
2974         * First time during the day it is okay to kill processes
2975         * or reboot the device due to low memory situations.  This number is
2976         * in seconds since midnight.
2977         * @hide
2978         */
2979        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2980
2981        /**
2982         * Last time during the day it is okay to kill processes
2983         * or reboot the device due to low memory situations.  This number is
2984         * in seconds since midnight.
2985         * @hide
2986         */
2987        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2988
2989        /**
2990         * How long the screen must have been off in order to kill processes
2991         * or reboot.  This number is in seconds.  A value of -1 means to
2992         * entirely disregard whether the screen is on.
2993         * @hide
2994         */
2995        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2996
2997        /**
2998         * How much time there must be until the next alarm in order to kill processes
2999         * or reboot.  This number is in seconds.  Note: this value must be
3000         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3001         * always see an alarm scheduled within its time.
3002         * @hide
3003         */
3004        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3005
3006        /**
3007         * How frequently to check whether it is a good time to restart things,
3008         * if the device is in a bad state.  This number is in seconds.  Note:
3009         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3010         * the alarm to schedule the recheck will always appear within the
3011         * minimum "do not execute now" time.
3012         * @hide
3013         */
3014        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3015
3016        /**
3017         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3018         * will occur.
3019         * @hide
3020         */
3021        public static final String REBOOT_INTERVAL = "reboot_interval";
3022
3023        /**
3024         * First time during the day it is okay to force a reboot of the
3025         * device (if REBOOT_INTERVAL is set).  This number is
3026         * in seconds since midnight.
3027         * @hide
3028         */
3029        public static final String REBOOT_START_TIME = "reboot_start_time";
3030
3031        /**
3032         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3033         * a reboot can be executed.  If 0, a reboot will always be executed at
3034         * exactly the given time.  Otherwise, it will only be executed if
3035         * the device is idle within the window.
3036         * @hide
3037         */
3038        public static final String REBOOT_WINDOW = "reboot_window";
3039
3040        /**
3041         * Threshold values for the duration and level of a discharge cycle, under
3042         * which we log discharge cycle info.
3043         * @hide
3044         */
3045        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3046                "battery_discharge_duration_threshold";
3047        /** @hide */
3048        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3049
3050        /**
3051         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3052         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3053         * will never display the "Report" button.
3054         * Type: int ( 0 = disallow, 1 = allow )
3055         * @hide
3056         */
3057        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3058
3059        /**
3060         * Nonzero causes Log.wtf() to crash.
3061         * @hide
3062         */
3063        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3064
3065        /**
3066         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3067         * @hide
3068         */
3069        public static final String DROPBOX_AGE_SECONDS =
3070                "dropbox_age_seconds";
3071        /**
3072         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3073         * @hide
3074         */
3075        public static final String DROPBOX_MAX_FILES =
3076                "dropbox_max_files";
3077        /**
3078         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3079         * @hide
3080         */
3081        public static final String DROPBOX_QUOTA_KB =
3082                "dropbox_quota_kb";
3083        /**
3084         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3085         * @hide
3086         */
3087        public static final String DROPBOX_QUOTA_PERCENT =
3088                "dropbox_quota_percent";
3089        /**
3090         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3091         * @hide
3092         */
3093        public static final String DROPBOX_RESERVE_PERCENT =
3094                "dropbox_reserve_percent";
3095        /**
3096         * Prefix for per-tag dropbox disable/enable settings.
3097         * @hide
3098         */
3099        public static final String DROPBOX_TAG_PREFIX =
3100                "dropbox:";
3101        /**
3102         * Lines of logcat to include with system crash/ANR/etc. reports,
3103         * as a prefix of the dropbox tag of the report type.
3104         * For example, "logcat_for_system_server_anr" controls the lines
3105         * of logcat captured with system server ANR reports.  0 to disable.
3106         * @hide
3107         */
3108        public static final String ERROR_LOGCAT_PREFIX =
3109                "logcat_for_";
3110
3111
3112        /**
3113         * Screen timeout in milliseconds corresponding to the
3114         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3115         * possible screen timeout behavior.)
3116         * @hide
3117         */
3118        public static final String SHORT_KEYLIGHT_DELAY_MS =
3119                "short_keylight_delay_ms";
3120
3121        /**
3122         * The interval in minutes after which the amount of free storage left on the
3123         * device is logged to the event log
3124         * @hide
3125         */
3126        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3127                "sys_free_storage_log_interval";
3128
3129        /**
3130         * Threshold for the amount of change in disk free space required to report the amount of
3131         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3132         * frequently.
3133         * @hide
3134         */
3135        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3136                "disk_free_change_reporting_threshold";
3137
3138
3139        /**
3140         * Minimum percentage of free storage on the device that is used to determine if
3141         * the device is running low on storage.
3142         * Say this value is set to 10, the device is considered running low on storage
3143         * if 90% or more of the device storage is filled up.
3144         * @hide
3145         */
3146        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3147                "sys_storage_threshold_percentage";
3148
3149        /**
3150         * Minimum bytes of free storage on the device before the data
3151         * partition is considered full. By default, 1 MB is reserved
3152         * to avoid system-wide SQLite disk full exceptions.
3153         * @hide
3154         */
3155        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3156                "sys_storage_full_threshold_bytes";
3157
3158        /**
3159         * The interval in milliseconds after which Wi-Fi is considered idle.
3160         * When idle, it is possible for the device to be switched from Wi-Fi to
3161         * the mobile data network.
3162         * @hide
3163         */
3164        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3165
3166        /**
3167         * The interval in milliseconds at which to check packet counts on the
3168         * mobile data interface when screen is on, to detect possible data
3169         * connection problems.
3170         * @hide
3171         */
3172        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3173                "pdp_watchdog_poll_interval_ms";
3174
3175        /**
3176         * The interval in milliseconds at which to check packet counts on the
3177         * mobile data interface when screen is off, to detect possible data
3178         * connection problems.
3179         * @hide
3180         */
3181        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3182                "pdp_watchdog_long_poll_interval_ms";
3183
3184        /**
3185         * The interval in milliseconds at which to check packet counts on the
3186         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3187         * outgoing packets has been reached without incoming packets.
3188         * @hide
3189         */
3190        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3191                "pdp_watchdog_error_poll_interval_ms";
3192
3193        /**
3194         * The number of outgoing packets sent without seeing an incoming packet
3195         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3196         * device is logged to the event log
3197         * @hide
3198         */
3199        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3200                "pdp_watchdog_trigger_packet_count";
3201
3202        /**
3203         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3204         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3205         * attempting data connection recovery.
3206         * @hide
3207         */
3208        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3209                "pdp_watchdog_error_poll_count";
3210
3211        /**
3212         * The number of failed PDP reset attempts before moving to something more
3213         * drastic: re-registering to the network.
3214         * @hide
3215         */
3216        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3217                "pdp_watchdog_max_pdp_reset_fail_count";
3218
3219        /**
3220         * Address to ping as a last sanity check before attempting any recovery.
3221         * Unset or set to "0.0.0.0" to skip this check.
3222         * @hide
3223         */
3224        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3225
3226        /**
3227         * The "-w deadline" parameter for the ping, ie, the max time in
3228         * seconds to spend pinging.
3229         * @hide
3230         */
3231        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3232
3233        /**
3234         * The interval in milliseconds at which to check gprs registration
3235         * after the first registration mismatch of gprs and voice service,
3236         * to detect possible data network registration problems.
3237         *
3238         * @hide
3239         */
3240        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3241                "gprs_register_check_period_ms";
3242
3243        /**
3244         * The length of time in milli-seconds that automatic small adjustments to
3245         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3246         * @hide
3247         */
3248        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3249
3250        /**
3251         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3252         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3253         * exceeded.
3254         * @hide
3255         */
3256        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3257
3258        /**
3259         * The maximum reconnect delay for short network outages or when the network is suspended
3260         * due to phone use.
3261         * @hide
3262         */
3263        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3264                "sync_max_retry_delay_in_seconds";
3265
3266        /**
3267         * The interval in milliseconds at which to check the number of SMS sent
3268         * out without asking for use permit, to limit the un-authorized SMS
3269         * usage.
3270         * @hide
3271         */
3272        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3273                "sms_outgoing_check_interval_ms";
3274
3275        /**
3276         * The number of outgoing SMS sent without asking for user permit
3277         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3278         * @hide
3279         */
3280        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3281                "sms_outgoing_check_max_count";
3282
3283        /**
3284         * The number of promoted sources in GlobalSearch.
3285         * @hide
3286         */
3287        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3288        /**
3289         * The maximum number of suggestions returned by GlobalSearch.
3290         * @hide
3291         */
3292        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3293        /**
3294         * The number of suggestions GlobalSearch will ask each non-web search source for.
3295         * @hide
3296         */
3297        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3298        /**
3299         * The number of suggestions the GlobalSearch will ask the web search source for.
3300         * @hide
3301         */
3302        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3303                "search_web_results_override_limit";
3304        /**
3305         * The number of milliseconds that GlobalSearch will wait for suggestions from
3306         * promoted sources before continuing with all other sources.
3307         * @hide
3308         */
3309        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3310                "search_promoted_source_deadline_millis";
3311        /**
3312         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3313         * @hide
3314         */
3315        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3316        /**
3317         * The maximum number of milliseconds that GlobalSearch shows the previous results
3318         * after receiving a new query.
3319         * @hide
3320         */
3321        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3322        /**
3323         * The maximum age of log data used for shortcuts in GlobalSearch.
3324         * @hide
3325         */
3326        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3327        /**
3328         * The maximum age of log data used for source ranking in GlobalSearch.
3329         * @hide
3330         */
3331        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3332                "search_max_source_event_age_millis";
3333        /**
3334         * The minimum number of impressions needed to rank a source in GlobalSearch.
3335         * @hide
3336         */
3337        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3338                "search_min_impressions_for_source_ranking";
3339        /**
3340         * The minimum number of clicks needed to rank a source in GlobalSearch.
3341         * @hide
3342         */
3343        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3344                "search_min_clicks_for_source_ranking";
3345        /**
3346         * The maximum number of shortcuts shown by GlobalSearch.
3347         * @hide
3348         */
3349        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3350        /**
3351         * The size of the core thread pool for suggestion queries in GlobalSearch.
3352         * @hide
3353         */
3354        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3355                "search_query_thread_core_pool_size";
3356        /**
3357         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3358         * @hide
3359         */
3360        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3361                "search_query_thread_max_pool_size";
3362        /**
3363         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3364         * @hide
3365         */
3366        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3367                "search_shortcut_refresh_core_pool_size";
3368        /**
3369         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3370         * @hide
3371         */
3372        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3373                "search_shortcut_refresh_max_pool_size";
3374        /**
3375         * The maximun time that excess threads in the GlobalSeach thread pools will
3376         * wait before terminating.
3377         * @hide
3378         */
3379        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3380                "search_thread_keepalive_seconds";
3381        /**
3382         * The maximum number of concurrent suggestion queries to each source.
3383         * @hide
3384         */
3385        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3386                "search_per_source_concurrent_query_limit";
3387
3388        /**
3389         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3390         * @hide
3391         */
3392        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3393
3394        /**
3395         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3396         * @hide
3397         */
3398        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3399
3400        /**
3401         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3402         * @hide
3403         */
3404        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3405
3406        /**
3407         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3408         * @hide
3409         */
3410        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3411
3412        /**
3413         * If nonzero, ANRs in invisible background processes bring up a dialog.
3414         * Otherwise, the process will be silently killed.
3415         * @hide
3416         */
3417        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3418
3419        /**
3420         * The {@link ComponentName} string of the service to be used as the voice recognition
3421         * service.
3422         *
3423         * @hide
3424         */
3425        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3426
3427        /**
3428         * What happens when the user presses the Power button while in-call
3429         * and the screen is on.<br/>
3430         * <b>Values:</b><br/>
3431         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3432         * 2 - The Power button hangs up the current call.<br/>
3433         *
3434         * @hide
3435         */
3436        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3437
3438        /**
3439         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3440         * @hide
3441         */
3442        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3443
3444        /**
3445         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3446         * @hide
3447         */
3448        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3449
3450        /**
3451         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3452         * @hide
3453         */
3454        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3455                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3456
3457        /**
3458         * The current night mode that has been selected by the user.  Owned
3459         * and controlled by UiModeManagerService.  Constants are as per
3460         * UiModeManager.
3461         * @hide
3462         */
3463        public static final String UI_NIGHT_MODE = "ui_night_mode";
3464
3465        /**
3466         * Let user pick default install location.
3467         * @hide
3468         */
3469        public static final String SET_INSTALL_LOCATION = "set_install_location";
3470
3471        /**
3472         * Default install location value.
3473         * 0 = auto, let system decide
3474         * 1 = internal
3475         * 2 = sdcard
3476         * @hide
3477         */
3478        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3479
3480        /**
3481         * The bandwidth throttle polling freqency in seconds
3482         * @hide
3483         */
3484        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3485
3486        /**
3487         * The bandwidth throttle threshold (long)
3488         * @hide
3489         */
3490        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3491
3492        /**
3493         * The bandwidth throttle value (kbps)
3494         * @hide
3495         */
3496        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3497
3498        /**
3499         * The bandwidth throttle reset calendar day (1-28)
3500         * @hide
3501         */
3502        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3503
3504        /**
3505         * The throttling notifications we should send
3506         * @hide
3507         */
3508        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3509
3510        /**
3511         * Help URI for data throttling policy
3512         * @hide
3513         */
3514        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3515
3516        /**
3517         * The length of time in Sec that we allow our notion of NTP time
3518         * to be cached before we refresh it
3519         * @hide
3520         */
3521        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3522                "throttle_max_ntp_cache_age_sec";
3523
3524        /**
3525         * The maximum size, in bytes, of a download that the download manager will transfer over
3526         * a non-wifi connection.
3527         * @hide
3528         */
3529        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3530                "download_manager_max_bytes_over_mobile";
3531
3532        /**
3533         * The recommended maximum size, in bytes, of a download that the download manager should
3534         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
3535         * have the option to start the download over the mobile connection anyway.
3536         * @hide
3537         */
3538        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
3539                "download_manager_recommended_max_bytes_over_mobile";
3540
3541        /**
3542         * ms during which to consume extra events related to Inet connection condition
3543         * after a transtion to fully-connected
3544         * @hide
3545         */
3546        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
3547                "inet_condition_debounce_up_delay";
3548
3549        /**
3550         * ms during which to consume extra events related to Inet connection condtion
3551         * after a transtion to partly-connected
3552         * @hide
3553         */
3554        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
3555                "inet_condition_debounce_down_delay";
3556
3557        /**
3558         * @hide
3559         */
3560        public static final String[] SETTINGS_TO_BACKUP = {
3561            ADB_ENABLED,
3562            ALLOW_MOCK_LOCATION,
3563            PARENTAL_CONTROL_ENABLED,
3564            PARENTAL_CONTROL_REDIRECT_URL,
3565            USB_MASS_STORAGE_ENABLED,
3566            ACCESSIBILITY_ENABLED,
3567            ACCESSIBILITY_SCRIPT_INJECTION,
3568            BACKUP_AUTO_RESTORE,
3569            ENABLED_ACCESSIBILITY_SERVICES,
3570            TTS_USE_DEFAULTS,
3571            TTS_DEFAULT_RATE,
3572            TTS_DEFAULT_PITCH,
3573            TTS_DEFAULT_SYNTH,
3574            TTS_DEFAULT_LANG,
3575            TTS_DEFAULT_COUNTRY,
3576            TTS_ENABLED_PLUGINS,
3577            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3578            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3579            WIFI_NUM_ALLOWED_CHANNELS,
3580            WIFI_NUM_OPEN_NETWORKS_KEPT,
3581            MOUNT_PLAY_NOTIFICATION_SND,
3582            MOUNT_UMS_AUTOSTART,
3583            MOUNT_UMS_PROMPT,
3584            MOUNT_UMS_NOTIFY_ENABLED,
3585            UI_NIGHT_MODE
3586        };
3587
3588        /**
3589         * Helper method for determining if a location provider is enabled.
3590         * @param cr the content resolver to use
3591         * @param provider the location provider to query
3592         * @return true if the provider is enabled
3593         */
3594        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3595            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3596            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
3597        }
3598
3599        /**
3600         * Thread-safe method for enabling or disabling a single location provider.
3601         * @param cr the content resolver to use
3602         * @param provider the location provider to enable or disable
3603         * @param enabled true if the provider should be enabled
3604         */
3605        public static final void setLocationProviderEnabled(ContentResolver cr,
3606                String provider, boolean enabled) {
3607            // to ensure thread safety, we write the provider name with a '+' or '-'
3608            // and let the SettingsProvider handle it rather than reading and modifying
3609            // the list of enabled providers.
3610            if (enabled) {
3611                provider = "+" + provider;
3612            } else {
3613                provider = "-" + provider;
3614            }
3615            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3616        }
3617    }
3618
3619    /**
3620     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3621     * Intent URL, allowing it to be either a web page or a particular
3622     * application activity.
3623     *
3624     * @hide
3625     */
3626    public static final class Bookmarks implements BaseColumns
3627    {
3628        private static final String TAG = "Bookmarks";
3629
3630        /**
3631         * The content:// style URL for this table
3632         */
3633        public static final Uri CONTENT_URI =
3634            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3635
3636        /**
3637         * The row ID.
3638         * <p>Type: INTEGER</p>
3639         */
3640        public static final String ID = "_id";
3641
3642        /**
3643         * Descriptive name of the bookmark that can be displayed to the user.
3644         * If this is empty, the title should be resolved at display time (use
3645         * {@link #getTitle(Context, Cursor)} any time you want to display the
3646         * title of a bookmark.)
3647         * <P>
3648         * Type: TEXT
3649         * </P>
3650         */
3651        public static final String TITLE = "title";
3652
3653        /**
3654         * Arbitrary string (displayed to the user) that allows bookmarks to be
3655         * organized into categories.  There are some special names for
3656         * standard folders, which all start with '@'.  The label displayed for
3657         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3658         * the folder name does not change so you can consistently query for
3659         * the folder regardless of the current locale.
3660         *
3661         * <P>Type: TEXT</P>
3662         *
3663         */
3664        public static final String FOLDER = "folder";
3665
3666        /**
3667         * The Intent URL of the bookmark, describing what it points to.  This
3668         * value is given to {@link android.content.Intent#getIntent} to create
3669         * an Intent that can be launched.
3670         * <P>Type: TEXT</P>
3671         */
3672        public static final String INTENT = "intent";
3673
3674        /**
3675         * Optional shortcut character associated with this bookmark.
3676         * <P>Type: INTEGER</P>
3677         */
3678        public static final String SHORTCUT = "shortcut";
3679
3680        /**
3681         * The order in which the bookmark should be displayed
3682         * <P>Type: INTEGER</P>
3683         */
3684        public static final String ORDERING = "ordering";
3685
3686        private static final String[] sIntentProjection = { INTENT };
3687        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3688        private static final String sShortcutSelection = SHORTCUT + "=?";
3689
3690        /**
3691         * Convenience function to retrieve the bookmarked Intent for a
3692         * particular shortcut key.
3693         *
3694         * @param cr The ContentResolver to query.
3695         * @param shortcut The shortcut key.
3696         *
3697         * @return Intent The bookmarked URL, or null if there is no bookmark
3698         *         matching the given shortcut.
3699         */
3700        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3701        {
3702            Intent intent = null;
3703
3704            Cursor c = cr.query(CONTENT_URI,
3705                    sIntentProjection, sShortcutSelection,
3706                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3707            // Keep trying until we find a valid shortcut
3708            try {
3709                while (intent == null && c.moveToNext()) {
3710                    try {
3711                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3712                        intent = Intent.parseUri(intentURI, 0);
3713                    } catch (java.net.URISyntaxException e) {
3714                        // The stored URL is bad...  ignore it.
3715                    } catch (IllegalArgumentException e) {
3716                        // Column not found
3717                        Log.w(TAG, "Intent column not found", e);
3718                    }
3719                }
3720            } finally {
3721                if (c != null) c.close();
3722            }
3723
3724            return intent;
3725        }
3726
3727        /**
3728         * Add a new bookmark to the system.
3729         *
3730         * @param cr The ContentResolver to query.
3731         * @param intent The desired target of the bookmark.
3732         * @param title Bookmark title that is shown to the user; null if none
3733         *            or it should be resolved to the intent's title.
3734         * @param folder Folder in which to place the bookmark; null if none.
3735         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3736         *            this is non-zero and there is an existing bookmark entry
3737         *            with this same shortcut, then that existing shortcut is
3738         *            cleared (the bookmark is not removed).
3739         * @return The unique content URL for the new bookmark entry.
3740         */
3741        public static Uri add(ContentResolver cr,
3742                                           Intent intent,
3743                                           String title,
3744                                           String folder,
3745                                           char shortcut,
3746                                           int ordering)
3747        {
3748            // If a shortcut is supplied, and it is already defined for
3749            // another bookmark, then remove the old definition.
3750            if (shortcut != 0) {
3751                cr.delete(CONTENT_URI, sShortcutSelection,
3752                        new String[] { String.valueOf((int) shortcut) });
3753            }
3754
3755            ContentValues values = new ContentValues();
3756            if (title != null) values.put(TITLE, title);
3757            if (folder != null) values.put(FOLDER, folder);
3758            values.put(INTENT, intent.toUri(0));
3759            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3760            values.put(ORDERING, ordering);
3761            return cr.insert(CONTENT_URI, values);
3762        }
3763
3764        /**
3765         * Return the folder name as it should be displayed to the user.  This
3766         * takes care of localizing special folders.
3767         *
3768         * @param r Resources object for current locale; only need access to
3769         *          system resources.
3770         * @param folder The value found in the {@link #FOLDER} column.
3771         *
3772         * @return CharSequence The label for this folder that should be shown
3773         *         to the user.
3774         */
3775        public static CharSequence getLabelForFolder(Resources r, String folder) {
3776            return folder;
3777        }
3778
3779        /**
3780         * Return the title as it should be displayed to the user. This takes
3781         * care of localizing bookmarks that point to activities.
3782         *
3783         * @param context A context.
3784         * @param cursor A cursor pointing to the row whose title should be
3785         *        returned. The cursor must contain at least the {@link #TITLE}
3786         *        and {@link #INTENT} columns.
3787         * @return A title that is localized and can be displayed to the user,
3788         *         or the empty string if one could not be found.
3789         */
3790        public static CharSequence getTitle(Context context, Cursor cursor) {
3791            int titleColumn = cursor.getColumnIndex(TITLE);
3792            int intentColumn = cursor.getColumnIndex(INTENT);
3793            if (titleColumn == -1 || intentColumn == -1) {
3794                throw new IllegalArgumentException(
3795                        "The cursor must contain the TITLE and INTENT columns.");
3796            }
3797
3798            String title = cursor.getString(titleColumn);
3799            if (!TextUtils.isEmpty(title)) {
3800                return title;
3801            }
3802
3803            String intentUri = cursor.getString(intentColumn);
3804            if (TextUtils.isEmpty(intentUri)) {
3805                return "";
3806            }
3807
3808            Intent intent;
3809            try {
3810                intent = Intent.parseUri(intentUri, 0);
3811            } catch (URISyntaxException e) {
3812                return "";
3813            }
3814
3815            PackageManager packageManager = context.getPackageManager();
3816            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3817            return info != null ? info.loadLabel(packageManager) : "";
3818        }
3819    }
3820
3821    /**
3822     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3823     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3824     * from the GoogleLoginService.
3825     *
3826     * @param androidId The Android ID for this device.
3827     * @return The device ID that should be used when connecting to the mobile gtalk server.
3828     * @hide
3829     */
3830    public static String getGTalkDeviceId(long androidId) {
3831        return "android-" + Long.toHexString(androidId);
3832    }
3833}
3834