Settings.java revision c7ad9fa08011be920f3636cb93bf75a0af13ea14
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.*;
38import android.text.TextUtils;
39import android.util.AndroidException;
40import android.util.Config;
41import android.util.Log;
42
43import java.net.URISyntaxException;
44import java.util.HashMap;
45import java.util.HashSet;
46
47
48/**
49 * The Settings provider contains global system-level device preferences.
50 */
51public final class Settings {
52
53    // Intent actions for Settings
54
55    /**
56     * Activity Action: Show system settings.
57     * <p>
58     * Input: Nothing.
59     * <p>
60     * Output: nothing.
61     */
62    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
63    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
64
65    /**
66     * Activity Action: Show settings to allow configuration of APNs.
67     * <p>
68     * Input: Nothing.
69     * <p>
70     * Output: nothing.
71     */
72    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
73    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
74
75    /**
76     * Activity Action: Show settings to allow configuration of current location
77     * sources.
78     * <p>
79     * In some cases, a matching Activity may not exist, so ensure you
80     * safeguard against this.
81     * <p>
82     * Input: Nothing.
83     * <p>
84     * Output: Nothing.
85     */
86    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
87    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
88            "android.settings.LOCATION_SOURCE_SETTINGS";
89
90    /**
91     * Activity Action: Show settings to allow configuration of wireless controls
92     * such as Wi-Fi, Bluetooth and Mobile networks.
93     * <p>
94     * In some cases, a matching Activity may not exist, so ensure you
95     * safeguard against this.
96     * <p>
97     * Input: Nothing.
98     * <p>
99     * Output: Nothing.
100     */
101    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
102    public static final String ACTION_WIRELESS_SETTINGS =
103            "android.settings.WIRELESS_SETTINGS";
104
105    /**
106     * Activity Action: Show settings to allow entering/exiting airplane mode.
107     * <p>
108     * In some cases, a matching Activity may not exist, so ensure you
109     * safeguard against this.
110     * <p>
111     * Input: Nothing.
112     * <p>
113     * Output: Nothing.
114     */
115    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
116    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
117            "android.settings.AIRPLANE_MODE_SETTINGS";
118
119    /**
120     * Activity Action: Show settings for accessibility modules.
121     * <p>
122     * In some cases, a matching Activity may not exist, so ensure you
123     * safeguard against this.
124     * <p>
125     * Input: Nothing.
126     * <p>
127     * Output: Nothing.
128     */
129    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
130    public static final String ACTION_ACCESSIBILITY_SETTINGS =
131            "android.settings.ACCESSIBILITY_SETTINGS";
132
133    /**
134     * Activity Action: Show settings to allow configuration of security and
135     * location privacy.
136     * <p>
137     * In some cases, a matching Activity may not exist, so ensure you
138     * safeguard against this.
139     * <p>
140     * Input: Nothing.
141     * <p>
142     * Output: Nothing.
143     */
144    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
145    public static final String ACTION_SECURITY_SETTINGS =
146            "android.settings.SECURITY_SETTINGS";
147
148    /**
149     * Activity Action: Show settings to allow configuration of privacy options.
150     * <p>
151     * In some cases, a matching Activity may not exist, so ensure you
152     * safeguard against this.
153     * <p>
154     * Input: Nothing.
155     * <p>
156     * Output: Nothing.
157     */
158    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
159    public static final String ACTION_PRIVACY_SETTINGS =
160            "android.settings.PRIVACY_SETTINGS";
161
162    /**
163     * Activity Action: Show settings to allow configuration of Wi-Fi.
164
165     * <p>
166     * In some cases, a matching Activity may not exist, so ensure you
167     * safeguard against this.
168     * <p>
169     * Input: Nothing.
170     * <p>
171     * Output: Nothing.
172
173     */
174    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
175    public static final String ACTION_WIFI_SETTINGS =
176            "android.settings.WIFI_SETTINGS";
177
178    /**
179     * Activity Action: Show settings to allow configuration of a static IP
180     * address for Wi-Fi.
181     * <p>
182     * In some cases, a matching Activity may not exist, so ensure you safeguard
183     * against this.
184     * <p>
185     * Input: Nothing.
186     * <p>
187     * Output: Nothing.
188     */
189    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
190    public static final String ACTION_WIFI_IP_SETTINGS =
191            "android.settings.WIFI_IP_SETTINGS";
192
193    /**
194     * Activity Action: Show settings to allow configuration of Bluetooth.
195     * <p>
196     * In some cases, a matching Activity may not exist, so ensure you
197     * safeguard against this.
198     * <p>
199     * Input: Nothing.
200     * <p>
201     * Output: Nothing.
202     */
203    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
204    public static final String ACTION_BLUETOOTH_SETTINGS =
205            "android.settings.BLUETOOTH_SETTINGS";
206
207    /**
208     * Activity Action: Show settings to allow configuration of date and time.
209     * <p>
210     * In some cases, a matching Activity may not exist, so ensure you
211     * safeguard against this.
212     * <p>
213     * Input: Nothing.
214     * <p>
215     * Output: Nothing.
216     */
217    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
218    public static final String ACTION_DATE_SETTINGS =
219            "android.settings.DATE_SETTINGS";
220
221    /**
222     * Activity Action: Show settings to allow configuration of sound and volume.
223     * <p>
224     * In some cases, a matching Activity may not exist, so ensure you
225     * safeguard against this.
226     * <p>
227     * Input: Nothing.
228     * <p>
229     * Output: Nothing.
230     */
231    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
232    public static final String ACTION_SOUND_SETTINGS =
233            "android.settings.SOUND_SETTINGS";
234
235    /**
236     * Activity Action: Show settings to allow configuration of display.
237     * <p>
238     * In some cases, a matching Activity may not exist, so ensure you
239     * safeguard against this.
240     * <p>
241     * Input: Nothing.
242     * <p>
243     * Output: Nothing.
244     */
245    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
246    public static final String ACTION_DISPLAY_SETTINGS =
247            "android.settings.DISPLAY_SETTINGS";
248
249    /**
250     * Activity Action: Show settings to allow configuration of locale.
251     * <p>
252     * In some cases, a matching Activity may not exist, so ensure you
253     * safeguard against this.
254     * <p>
255     * Input: Nothing.
256     * <p>
257     * Output: Nothing.
258     */
259    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
260    public static final String ACTION_LOCALE_SETTINGS =
261            "android.settings.LOCALE_SETTINGS";
262
263    /**
264     * Activity Action: Show settings to configure input methods, in particular
265     * allowing the user to enable input methods.
266     * <p>
267     * In some cases, a matching Activity may not exist, so ensure you
268     * safeguard against this.
269     * <p>
270     * Input: Nothing.
271     * <p>
272     * Output: Nothing.
273     */
274    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
275    public static final String ACTION_INPUT_METHOD_SETTINGS =
276            "android.settings.INPUT_METHOD_SETTINGS";
277
278    /**
279     * Activity Action: Show settings to manage the user input dictionary.
280     * <p>
281     * In some cases, a matching Activity may not exist, so ensure you
282     * safeguard against this.
283     * <p>
284     * Input: Nothing.
285     * <p>
286     * Output: Nothing.
287     */
288    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
289    public static final String ACTION_USER_DICTIONARY_SETTINGS =
290            "android.settings.USER_DICTIONARY_SETTINGS";
291
292    /**
293     * Activity Action: Show settings to allow configuration of application-related settings.
294     * <p>
295     * In some cases, a matching Activity may not exist, so ensure you
296     * safeguard against this.
297     * <p>
298     * Input: Nothing.
299     * <p>
300     * Output: Nothing.
301     */
302    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
303    public static final String ACTION_APPLICATION_SETTINGS =
304            "android.settings.APPLICATION_SETTINGS";
305
306    /**
307     * Activity Action: Show settings to allow configuration of application
308     * development-related settings.
309     * <p>
310     * In some cases, a matching Activity may not exist, so ensure you safeguard
311     * against this.
312     * <p>
313     * Input: Nothing.
314     * <p>
315     * Output: Nothing.
316     */
317    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
318    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
319            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
320
321    /**
322     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
323     * <p>
324     * In some cases, a matching Activity may not exist, so ensure you
325     * safeguard against this.
326     * <p>
327     * Input: Nothing.
328     * <p>
329     * Output: Nothing.
330     */
331    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
332    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
333            "android.settings.QUICK_LAUNCH_SETTINGS";
334
335    /**
336     * Activity Action: Show settings to manage installed applications.
337     * <p>
338     * In some cases, a matching Activity may not exist, so ensure you
339     * safeguard against this.
340     * <p>
341     * Input: Nothing.
342     * <p>
343     * Output: Nothing.
344     */
345    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
346    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
347            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
348
349    /**
350     * Activity Action: Show screen of details about a particular application.
351     * <p>
352     * In some cases, a matching Activity may not exist, so ensure you
353     * safeguard against this.
354     * <p>
355     * Input: The Intent's data URI specifies the application package name
356     * to be shown, with the "package" scheme.  That is "package:com.my.app".
357     * <p>
358     * Output: Nothing.
359     */
360    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
361    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
362            "android.settings.APPLICATION_DETAILS_SETTINGS";
363
364    /**
365     * Activity Action: Show settings for system update functionality.
366     * <p>
367     * In some cases, a matching Activity may not exist, so ensure you
368     * safeguard against this.
369     * <p>
370     * Input: Nothing.
371     * <p>
372     * Output: Nothing.
373     *
374     * @hide
375     */
376    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
377    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
378            "android.settings.SYSTEM_UPDATE_SETTINGS";
379
380    /**
381     * Activity Action: Show settings to allow configuration of sync settings.
382     * <p>
383     * In some cases, a matching Activity may not exist, so ensure you
384     * safeguard against this.
385     * <p>
386     * The account types available to add via the add account button may be restricted by adding an
387     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
388     * authorities. Only account types which can sync with that content provider will be offered to
389     * the user.
390     * <p>
391     * Input: Nothing.
392     * <p>
393     * Output: Nothing.
394     */
395    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
396    public static final String ACTION_SYNC_SETTINGS =
397            "android.settings.SYNC_SETTINGS";
398
399    /**
400     * Activity Action: Show add account screen for creating a new account.
401     * <p>
402     * In some cases, a matching Activity may not exist, so ensure you
403     * safeguard against this.
404     * <p>
405     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
406     * extra to the Intent with one or more syncable content provider's authorities.  Only account
407     * types which can sync with that content provider will be offered to the user.
408     * <p>
409     * Input: Nothing.
410     * <p>
411     * Output: Nothing.
412     */
413    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
414    public static final String ACTION_ADD_ACCOUNT =
415            "android.settings.ADD_ACCOUNT_SETTINGS";
416
417    /**
418     * Activity Action: Show settings for selecting the network operator.
419     * <p>
420     * In some cases, a matching Activity may not exist, so ensure you
421     * safeguard against this.
422     * <p>
423     * Input: Nothing.
424     * <p>
425     * Output: Nothing.
426     */
427    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
428    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
429            "android.settings.NETWORK_OPERATOR_SETTINGS";
430
431    /**
432     * Activity Action: Show settings for selection of 2G/3G.
433     * <p>
434     * In some cases, a matching Activity may not exist, so ensure you
435     * safeguard against this.
436     * <p>
437     * Input: Nothing.
438     * <p>
439     * Output: Nothing.
440     */
441    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
442    public static final String ACTION_DATA_ROAMING_SETTINGS =
443            "android.settings.DATA_ROAMING_SETTINGS";
444
445    /**
446     * Activity Action: Show settings for internal storage.
447     * <p>
448     * In some cases, a matching Activity may not exist, so ensure you
449     * safeguard against this.
450     * <p>
451     * Input: Nothing.
452     * <p>
453     * Output: Nothing.
454     */
455    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
456    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
457            "android.settings.INTERNAL_STORAGE_SETTINGS";
458    /**
459     * Activity Action: Show settings for memory card storage.
460     * <p>
461     * In some cases, a matching Activity may not exist, so ensure you
462     * safeguard against this.
463     * <p>
464     * Input: Nothing.
465     * <p>
466     * Output: Nothing.
467     */
468    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
469    public static final String ACTION_MEMORY_CARD_SETTINGS =
470            "android.settings.MEMORY_CARD_SETTINGS";
471
472    /**
473     * Activity Action: Show settings for global search.
474     * <p>
475     * In some cases, a matching Activity may not exist, so ensure you
476     * safeguard against this.
477     * <p>
478     * Input: Nothing.
479     * <p>
480     * Output: Nothing
481     */
482    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
483    public static final String ACTION_SEARCH_SETTINGS =
484        "android.search.action.SEARCH_SETTINGS";
485
486    /**
487     * Activity Action: Show general device information settings (serial
488     * number, software version, phone number, etc.).
489     * <p>
490     * In some cases, a matching Activity may not exist, so ensure you
491     * safeguard against this.
492     * <p>
493     * Input: Nothing.
494     * <p>
495     * Output: Nothing
496     */
497    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
498    public static final String ACTION_DEVICE_INFO_SETTINGS =
499        "android.settings.DEVICE_INFO_SETTINGS";
500
501    // End of Intent actions for Settings
502
503    /**
504     * @hide - Private call() method on SettingsProvider to read from 'system' table.
505     */
506    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
507
508    /**
509     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
510     */
511    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
512
513    /**
514     * Activity Extra: Limit available options in launched activity based on the given authority.
515     * <p>
516     * This can be passed as an extra field in an Activity Intent with one or more syncable content
517     * provider's authorities as a String[]. This field is used by some intents to alter the
518     * behavior of the called activity.
519     * <p>
520     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
521     * on the authority given.
522     */
523    public static final String EXTRA_AUTHORITIES =
524            "authorities";
525
526    private static final String JID_RESOURCE_PREFIX = "android";
527
528    public static final String AUTHORITY = "settings";
529
530    private static final String TAG = "Settings";
531    private static final boolean LOCAL_LOGV = Config.LOGV || false;
532
533    public static class SettingNotFoundException extends AndroidException {
534        public SettingNotFoundException(String msg) {
535            super(msg);
536        }
537    }
538
539    /**
540     * Common base for tables of name/value settings.
541     */
542    public static class NameValueTable implements BaseColumns {
543        public static final String NAME = "name";
544        public static final String VALUE = "value";
545
546        protected static boolean putString(ContentResolver resolver, Uri uri,
547                String name, String value) {
548            // The database will take care of replacing duplicates.
549            try {
550                ContentValues values = new ContentValues();
551                values.put(NAME, name);
552                values.put(VALUE, value);
553                resolver.insert(uri, values);
554                return true;
555            } catch (SQLException e) {
556                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
557                return false;
558            }
559        }
560
561        public static Uri getUriFor(Uri uri, String name) {
562            return Uri.withAppendedPath(uri, name);
563        }
564    }
565
566    // Thread-safe.
567    private static class NameValueCache {
568        private final String mVersionSystemProperty;
569        private final Uri mUri;
570
571        private static final String[] SELECT_VALUE =
572            new String[] { Settings.NameValueTable.VALUE };
573        private static final String NAME_EQ_PLACEHOLDER = "name=?";
574
575        // Must synchronize on 'this' to access mValues and mValuesVersion.
576        private final HashMap<String, String> mValues = new HashMap<String, String>();
577        private long mValuesVersion = 0;
578
579        // Initially null; set lazily and held forever.  Synchronized on 'this'.
580        private IContentProvider mContentProvider = null;
581
582        // The method we'll call (or null, to not use) on the provider
583        // for the fast path of retrieving settings.
584        private final String mCallCommand;
585
586        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
587            mVersionSystemProperty = versionSystemProperty;
588            mUri = uri;
589            mCallCommand = callCommand;
590        }
591
592        public String getString(ContentResolver cr, String name) {
593            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
594
595            synchronized (this) {
596                if (mValuesVersion != newValuesVersion) {
597                    if (LOCAL_LOGV) {
598                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
599                                newValuesVersion + " != cached " + mValuesVersion);
600                    }
601
602                    mValues.clear();
603                    mValuesVersion = newValuesVersion;
604                }
605
606                if (mValues.containsKey(name)) {
607                    return mValues.get(name);  // Could be null, that's OK -- negative caching
608                }
609            }
610
611            IContentProvider cp = null;
612            synchronized (this) {
613                cp = mContentProvider;
614                if (cp == null) {
615                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
616                }
617            }
618
619            // Try the fast path first, not using query().  If this
620            // fails (alternate Settings provider that doesn't support
621            // this interface?) then we fall back to the query/table
622            // interface.
623            if (mCallCommand != null) {
624                try {
625                    Bundle b = cp.call(mCallCommand, name, null);
626                    if (b != null) {
627                        String value = b.getPairValue();
628                        synchronized (this) {
629                            mValues.put(name, value);
630                        }
631                        return value;
632                    }
633                    // If the response Bundle is null, we fall through
634                    // to the query interface below.
635                } catch (RemoteException e) {
636                    // Not supported by the remote side?  Fall through
637                    // to query().
638                }
639            }
640
641            Cursor c = null;
642            try {
643                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
644                             new String[]{name}, null);
645                if (c == null) {
646                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
647                    return null;
648                }
649
650                String value = c.moveToNext() ? c.getString(0) : null;
651                synchronized (this) {
652                    mValues.put(name, value);
653                }
654                if (LOCAL_LOGV) {
655                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
656                            name + " = " + (value == null ? "(null)" : value));
657                }
658                return value;
659            } catch (RemoteException e) {
660                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
661                return null;  // Return null, but don't cache it.
662            } finally {
663                if (c != null) c.close();
664            }
665        }
666    }
667
668    /**
669     * System settings, containing miscellaneous system preferences.  This
670     * table holds simple name/value pairs.  There are convenience
671     * functions for accessing individual settings entries.
672     */
673    public static final class System extends NameValueTable {
674        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
675
676        // Populated lazily, guarded by class object:
677        private static NameValueCache sNameValueCache = null;
678
679        private static final HashSet<String> MOVED_TO_SECURE;
680        static {
681            MOVED_TO_SECURE = new HashSet<String>(30);
682            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
683            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
684            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
685            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
686            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
687            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
688            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
689            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
690            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
691            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
692            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
693            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
694            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
695            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
696            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
697            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
698            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
699            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
700            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
701            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
702            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
703            MOVED_TO_SECURE.add(Secure.WIFI_ON);
704            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
705            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
706            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
707            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
708            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
709            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
710            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
711            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
712            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
713            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
714            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
715        }
716
717        /**
718         * Look up a name in the database.
719         * @param resolver to access the database with
720         * @param name to look up in the table
721         * @return the corresponding value, or null if not present
722         */
723        public synchronized static String getString(ContentResolver resolver, String name) {
724            if (MOVED_TO_SECURE.contains(name)) {
725                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
726                        + " to android.provider.Settings.Secure, returning read-only value.");
727                return Secure.getString(resolver, name);
728            }
729            if (sNameValueCache == null) {
730                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
731                                                     CALL_METHOD_GET_SYSTEM);
732            }
733            return sNameValueCache.getString(resolver, name);
734        }
735
736        /**
737         * Store a name/value pair into the database.
738         * @param resolver to access the database with
739         * @param name to store
740         * @param value to associate with the name
741         * @return true if the value was set, false on database errors
742         */
743        public static boolean putString(ContentResolver resolver, String name, String value) {
744            if (MOVED_TO_SECURE.contains(name)) {
745                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
746                        + " to android.provider.Settings.Secure, value is unchanged.");
747                return false;
748            }
749            return putString(resolver, CONTENT_URI, name, value);
750        }
751
752        /**
753         * Construct the content URI for a particular name/value pair,
754         * useful for monitoring changes with a ContentObserver.
755         * @param name to look up in the table
756         * @return the corresponding content URI, or null if not present
757         */
758        public static Uri getUriFor(String name) {
759            if (MOVED_TO_SECURE.contains(name)) {
760                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
761                    + " to android.provider.Settings.Secure, returning Secure URI.");
762                return Secure.getUriFor(Secure.CONTENT_URI, name);
763            }
764            return getUriFor(CONTENT_URI, name);
765        }
766
767        /**
768         * Convenience function for retrieving a single system settings value
769         * as an integer.  Note that internally setting values are always
770         * stored as strings; this function converts the string to an integer
771         * for you.  The default value will be returned if the setting is
772         * not defined or not an integer.
773         *
774         * @param cr The ContentResolver to access.
775         * @param name The name of the setting to retrieve.
776         * @param def Value to return if the setting is not defined.
777         *
778         * @return The setting's current value, or 'def' if it is not defined
779         * or not a valid integer.
780         */
781        public static int getInt(ContentResolver cr, String name, int def) {
782            String v = getString(cr, name);
783            try {
784                return v != null ? Integer.parseInt(v) : def;
785            } catch (NumberFormatException e) {
786                return def;
787            }
788        }
789
790        /**
791         * Convenience function for retrieving a single system settings value
792         * as an integer.  Note that internally setting values are always
793         * stored as strings; this function converts the string to an integer
794         * for you.
795         * <p>
796         * This version does not take a default value.  If the setting has not
797         * been set, or the string value is not a number,
798         * it throws {@link SettingNotFoundException}.
799         *
800         * @param cr The ContentResolver to access.
801         * @param name The name of the setting to retrieve.
802         *
803         * @throws SettingNotFoundException Thrown if a setting by the given
804         * name can't be found or the setting value is not an integer.
805         *
806         * @return The setting's current value.
807         */
808        public static int getInt(ContentResolver cr, String name)
809                throws SettingNotFoundException {
810            String v = getString(cr, name);
811            try {
812                return Integer.parseInt(v);
813            } catch (NumberFormatException e) {
814                throw new SettingNotFoundException(name);
815            }
816        }
817
818        /**
819         * Convenience function for updating a single settings value as an
820         * integer. This will either create a new entry in the table if the
821         * given name does not exist, or modify the value of the existing row
822         * with that name.  Note that internally setting values are always
823         * stored as strings, so this function converts the given value to a
824         * string before storing it.
825         *
826         * @param cr The ContentResolver to access.
827         * @param name The name of the setting to modify.
828         * @param value The new value for the setting.
829         * @return true if the value was set, false on database errors
830         */
831        public static boolean putInt(ContentResolver cr, String name, int value) {
832            return putString(cr, name, Integer.toString(value));
833        }
834
835        /**
836         * Convenience function for retrieving a single system settings value
837         * as a {@code long}.  Note that internally setting values are always
838         * stored as strings; this function converts the string to a {@code long}
839         * for you.  The default value will be returned if the setting is
840         * not defined or not a {@code long}.
841         *
842         * @param cr The ContentResolver to access.
843         * @param name The name of the setting to retrieve.
844         * @param def Value to return if the setting is not defined.
845         *
846         * @return The setting's current value, or 'def' if it is not defined
847         * or not a valid {@code long}.
848         */
849        public static long getLong(ContentResolver cr, String name, long def) {
850            String valString = getString(cr, name);
851            long value;
852            try {
853                value = valString != null ? Long.parseLong(valString) : def;
854            } catch (NumberFormatException e) {
855                value = def;
856            }
857            return value;
858        }
859
860        /**
861         * Convenience function for retrieving a single system settings value
862         * as a {@code long}.  Note that internally setting values are always
863         * stored as strings; this function converts the string to a {@code long}
864         * for you.
865         * <p>
866         * This version does not take a default value.  If the setting has not
867         * been set, or the string value is not a number,
868         * it throws {@link SettingNotFoundException}.
869         *
870         * @param cr The ContentResolver to access.
871         * @param name The name of the setting to retrieve.
872         *
873         * @return The setting's current value.
874         * @throws SettingNotFoundException Thrown if a setting by the given
875         * name can't be found or the setting value is not an integer.
876         */
877        public static long getLong(ContentResolver cr, String name)
878                throws SettingNotFoundException {
879            String valString = getString(cr, name);
880            try {
881                return Long.parseLong(valString);
882            } catch (NumberFormatException e) {
883                throw new SettingNotFoundException(name);
884            }
885        }
886
887        /**
888         * Convenience function for updating a single settings value as a long
889         * integer. This will either create a new entry in the table if the
890         * given name does not exist, or modify the value of the existing row
891         * with that name.  Note that internally setting values are always
892         * stored as strings, so this function converts the given value to a
893         * string before storing it.
894         *
895         * @param cr The ContentResolver to access.
896         * @param name The name of the setting to modify.
897         * @param value The new value for the setting.
898         * @return true if the value was set, false on database errors
899         */
900        public static boolean putLong(ContentResolver cr, String name, long value) {
901            return putString(cr, name, Long.toString(value));
902        }
903
904        /**
905         * Convenience function for retrieving a single system settings value
906         * as a floating point number.  Note that internally setting values are
907         * always stored as strings; this function converts the string to an
908         * float for you. The default value will be returned if the setting
909         * is not defined or not a valid float.
910         *
911         * @param cr The ContentResolver to access.
912         * @param name The name of the setting to retrieve.
913         * @param def Value to return if the setting is not defined.
914         *
915         * @return The setting's current value, or 'def' if it is not defined
916         * or not a valid float.
917         */
918        public static float getFloat(ContentResolver cr, String name, float def) {
919            String v = getString(cr, name);
920            try {
921                return v != null ? Float.parseFloat(v) : def;
922            } catch (NumberFormatException e) {
923                return def;
924            }
925        }
926
927        /**
928         * Convenience function for retrieving a single system settings value
929         * as a float.  Note that internally setting values are always
930         * stored as strings; this function converts the string to a float
931         * for you.
932         * <p>
933         * This version does not take a default value.  If the setting has not
934         * been set, or the string value is not a number,
935         * it throws {@link SettingNotFoundException}.
936         *
937         * @param cr The ContentResolver to access.
938         * @param name The name of the setting to retrieve.
939         *
940         * @throws SettingNotFoundException Thrown if a setting by the given
941         * name can't be found or the setting value is not a float.
942         *
943         * @return The setting's current value.
944         */
945        public static float getFloat(ContentResolver cr, String name)
946                throws SettingNotFoundException {
947            String v = getString(cr, name);
948            try {
949                return Float.parseFloat(v);
950            } catch (NumberFormatException e) {
951                throw new SettingNotFoundException(name);
952            }
953        }
954
955        /**
956         * Convenience function for updating a single settings value as a
957         * floating point number. This will either create a new entry in the
958         * table if the given name does not exist, or modify the value of the
959         * existing row with that name.  Note that internally setting values
960         * are always stored as strings, so this function converts the given
961         * value to a string before storing it.
962         *
963         * @param cr The ContentResolver to access.
964         * @param name The name of the setting to modify.
965         * @param value The new value for the setting.
966         * @return true if the value was set, false on database errors
967         */
968        public static boolean putFloat(ContentResolver cr, String name, float value) {
969            return putString(cr, name, Float.toString(value));
970        }
971
972        /**
973         * Convenience function to read all of the current
974         * configuration-related settings into a
975         * {@link Configuration} object.
976         *
977         * @param cr The ContentResolver to access.
978         * @param outConfig Where to place the configuration settings.
979         */
980        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
981            outConfig.fontScale = Settings.System.getFloat(
982                cr, FONT_SCALE, outConfig.fontScale);
983            if (outConfig.fontScale < 0) {
984                outConfig.fontScale = 1;
985            }
986        }
987
988        /**
989         * Convenience function to write a batch of configuration-related
990         * settings from a {@link Configuration} object.
991         *
992         * @param cr The ContentResolver to access.
993         * @param config The settings to write.
994         * @return true if the values were set, false on database errors
995         */
996        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
997            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
998        }
999
1000        /** @hide */
1001        public static boolean hasInterestingConfigurationChanges(int changes) {
1002            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1003        }
1004
1005        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1006            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1007        }
1008
1009        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1010            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1011        }
1012
1013        /**
1014         * The content:// style URL for this table
1015         */
1016        public static final Uri CONTENT_URI =
1017            Uri.parse("content://" + AUTHORITY + "/system");
1018
1019        /**
1020         * Whether we keep the device on while the device is plugged in.
1021         * Supported values are:
1022         * <ul>
1023         * <li>{@code 0} to never stay on while plugged in</li>
1024         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1025         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1026         * </ul>
1027         * These values can be OR-ed together.
1028         */
1029        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1030
1031        /**
1032         * What happens when the user presses the end call button if they're not
1033         * on a call.<br/>
1034         * <b>Values:</b><br/>
1035         * 0 - The end button does nothing.<br/>
1036         * 1 - The end button goes to the home screen.<br/>
1037         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1038         * 3 - The end button goes to the home screen.  If the user is already on the
1039         * home screen, it puts the device to sleep.
1040         */
1041        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1042
1043        /**
1044         * END_BUTTON_BEHAVIOR value for "go home".
1045         * @hide
1046         */
1047        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1048
1049        /**
1050         * END_BUTTON_BEHAVIOR value for "go to sleep".
1051         * @hide
1052         */
1053        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1054
1055        /**
1056         * END_BUTTON_BEHAVIOR default value.
1057         * @hide
1058         */
1059        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1060
1061        /**
1062         * Whether Airplane Mode is on.
1063         */
1064        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1065
1066        /**
1067         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1068         */
1069        public static final String RADIO_BLUETOOTH = "bluetooth";
1070
1071        /**
1072         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1073         */
1074        public static final String RADIO_WIFI = "wifi";
1075
1076        /**
1077         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1078         */
1079        public static final String RADIO_CELL = "cell";
1080
1081        /**
1082         * A comma separated list of radios that need to be disabled when airplane mode
1083         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1084         * included in the comma separated list.
1085         */
1086        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1087
1088        /**
1089         * A comma separated list of radios that should to be disabled when airplane mode
1090         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1091         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1092         * will be turned off when entering airplane mode, but the user will be able to reenable
1093         * Wifi in the Settings app.
1094         *
1095         * {@hide}
1096         */
1097        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1098
1099        /**
1100         * The policy for deciding when Wi-Fi should go to sleep (which will in
1101         * turn switch to using the mobile data as an Internet connection).
1102         * <p>
1103         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1104         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1105         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1106         */
1107        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1108
1109        /**
1110         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1111         * policy, which is to sleep shortly after the turning off
1112         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1113         */
1114        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1115
1116        /**
1117         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1118         * the device is on battery, and never go to sleep when the device is
1119         * plugged in.
1120         */
1121        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1122
1123        /**
1124         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1125         */
1126        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1127
1128        /**
1129         * Whether to use static IP and other static network attributes.
1130         * <p>
1131         * Set to 1 for true and 0 for false.
1132         */
1133        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1134
1135        /**
1136         * The static IP address.
1137         * <p>
1138         * Example: "192.168.1.51"
1139         */
1140        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1141
1142        /**
1143         * If using static IP, the gateway's IP address.
1144         * <p>
1145         * Example: "192.168.1.1"
1146         */
1147        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1148
1149        /**
1150         * If using static IP, the net mask.
1151         * <p>
1152         * Example: "255.255.255.0"
1153         */
1154        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1155
1156        /**
1157         * If using static IP, the primary DNS's IP address.
1158         * <p>
1159         * Example: "192.168.1.1"
1160         */
1161        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1162
1163        /**
1164         * If using static IP, the secondary DNS's IP address.
1165         * <p>
1166         * Example: "192.168.1.2"
1167         */
1168        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1169
1170        /**
1171         * The number of radio channels that are allowed in the local
1172         * 802.11 regulatory domain.
1173         * @hide
1174         */
1175        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1176
1177        /**
1178         * Determines whether remote devices may discover and/or connect to
1179         * this device.
1180         * <P>Type: INT</P>
1181         * 2 -- discoverable and connectable
1182         * 1 -- connectable but not discoverable
1183         * 0 -- neither connectable nor discoverable
1184         */
1185        public static final String BLUETOOTH_DISCOVERABILITY =
1186            "bluetooth_discoverability";
1187
1188        /**
1189         * Bluetooth discoverability timeout.  If this value is nonzero, then
1190         * Bluetooth becomes discoverable for a certain number of seconds,
1191         * after which is becomes simply connectable.  The value is in seconds.
1192         */
1193        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1194            "bluetooth_discoverability_timeout";
1195
1196        /**
1197         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1198         * instead
1199         */
1200        @Deprecated
1201        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1202
1203        /**
1204         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1205         * instead
1206         */
1207        @Deprecated
1208        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1209
1210        /**
1211         * @deprecated Use
1212         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1213         * instead
1214         */
1215        @Deprecated
1216        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1217            "lock_pattern_tactile_feedback_enabled";
1218
1219
1220        /**
1221         * A formatted string of the next alarm that is set, or the empty string
1222         * if there is no alarm set.
1223         */
1224        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1225
1226        /**
1227         * Scaling factor for fonts, float.
1228         */
1229        public static final String FONT_SCALE = "font_scale";
1230
1231        /**
1232         * Name of an application package to be debugged.
1233         */
1234        public static final String DEBUG_APP = "debug_app";
1235
1236        /**
1237         * If 1, when launching DEBUG_APP it will wait for the debugger before
1238         * starting user code.  If 0, it will run normally.
1239         */
1240        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1241
1242        /**
1243         * Whether or not to dim the screen. 0=no  1=yes
1244         */
1245        public static final String DIM_SCREEN = "dim_screen";
1246
1247        /**
1248         * The timeout before the screen turns off.
1249         */
1250        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1251
1252        /**
1253         * If 0, the compatibility mode is off for all applications.
1254         * If 1, older applications run under compatibility mode.
1255         * TODO: remove this settings before code freeze (bug/1907571)
1256         * @hide
1257         */
1258        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1259
1260        /**
1261         * The screen backlight brightness between 0 and 255.
1262         */
1263        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1264
1265        /**
1266         * Control whether to enable automatic brightness mode.
1267         */
1268        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1269
1270        /**
1271         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1272         */
1273        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1274
1275        /**
1276         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1277         */
1278        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1279
1280        /**
1281         * Control whether the process CPU usage meter should be shown.
1282         */
1283        public static final String SHOW_PROCESSES = "show_processes";
1284
1285        /**
1286         * If 1, the activity manager will aggressively finish activities and
1287         * processes as soon as they are no longer needed.  If 0, the normal
1288         * extended lifetime is used.
1289         */
1290        public static final String ALWAYS_FINISH_ACTIVITIES =
1291                "always_finish_activities";
1292
1293
1294        /**
1295         * Ringer mode. This is used internally, changing this value will not
1296         * change the ringer mode. See AudioManager.
1297         */
1298        public static final String MODE_RINGER = "mode_ringer";
1299
1300        /**
1301         * Determines which streams are affected by ringer mode changes. The
1302         * stream type's bit should be set to 1 if it should be muted when going
1303         * into an inaudible ringer mode.
1304         */
1305        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1306
1307         /**
1308          * Determines which streams are affected by mute. The
1309          * stream type's bit should be set to 1 if it should be muted when a mute request
1310          * is received.
1311          */
1312         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1313
1314        /**
1315         * Whether vibrate is on for different events. This is used internally,
1316         * changing this value will not change the vibrate. See AudioManager.
1317         */
1318        public static final String VIBRATE_ON = "vibrate_on";
1319
1320        /**
1321         * Ringer volume. This is used internally, changing this value will not
1322         * change the volume. See AudioManager.
1323         */
1324        public static final String VOLUME_RING = "volume_ring";
1325
1326        /**
1327         * System/notifications volume. This is used internally, changing this
1328         * value will not change the volume. See AudioManager.
1329         */
1330        public static final String VOLUME_SYSTEM = "volume_system";
1331
1332        /**
1333         * Voice call volume. This is used internally, changing this value will
1334         * not change the volume. See AudioManager.
1335         */
1336        public static final String VOLUME_VOICE = "volume_voice";
1337
1338        /**
1339         * Music/media/gaming volume. This is used internally, changing this
1340         * value will not change the volume. See AudioManager.
1341         */
1342        public static final String VOLUME_MUSIC = "volume_music";
1343
1344        /**
1345         * Alarm volume. This is used internally, changing this
1346         * value will not change the volume. See AudioManager.
1347         */
1348        public static final String VOLUME_ALARM = "volume_alarm";
1349
1350        /**
1351         * Notification volume. This is used internally, changing this
1352         * value will not change the volume. See AudioManager.
1353         */
1354        public static final String VOLUME_NOTIFICATION = "volume_notification";
1355
1356        /**
1357         * Bluetooth Headset volume. This is used internally, changing this value will
1358         * not change the volume. See AudioManager.
1359         */
1360        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1361
1362        /**
1363         * Whether the notifications should use the ring volume (value of 1) or
1364         * a separate notification volume (value of 0). In most cases, users
1365         * will have this enabled so the notification and ringer volumes will be
1366         * the same. However, power users can disable this and use the separate
1367         * notification volume control.
1368         * <p>
1369         * Note: This is a one-off setting that will be removed in the future
1370         * when there is profile support. For this reason, it is kept hidden
1371         * from the public APIs.
1372         *
1373         * @hide
1374         */
1375        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1376            "notifications_use_ring_volume";
1377
1378        /**
1379         * Whether silent mode should allow vibration feedback. This is used
1380         * internally in AudioService and the Sound settings activity to
1381         * coordinate decoupling of vibrate and silent modes. This setting
1382         * will likely be removed in a future release with support for
1383         * audio/vibe feedback profiles.
1384         *
1385         * @hide
1386         */
1387        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1388
1389        /**
1390         * The mapping of stream type (integer) to its setting.
1391         */
1392        public static final String[] VOLUME_SETTINGS = {
1393            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1394            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1395        };
1396
1397        /**
1398         * Appended to various volume related settings to record the previous
1399         * values before they the settings were affected by a silent/vibrate
1400         * ringer mode change.
1401         */
1402        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1403
1404        /**
1405         * Persistent store for the system-wide default ringtone URI.
1406         * <p>
1407         * If you need to play the default ringtone at any given time, it is recommended
1408         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1409         * to the set default ringtone at the time of playing.
1410         *
1411         * @see #DEFAULT_RINGTONE_URI
1412         */
1413        public static final String RINGTONE = "ringtone";
1414
1415        /**
1416         * A {@link Uri} that will point to the current default ringtone at any
1417         * given time.
1418         * <p>
1419         * If the current default ringtone is in the DRM provider and the caller
1420         * does not have permission, the exception will be a
1421         * FileNotFoundException.
1422         */
1423        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1424
1425        /**
1426         * Persistent store for the system-wide default notification sound.
1427         *
1428         * @see #RINGTONE
1429         * @see #DEFAULT_NOTIFICATION_URI
1430         */
1431        public static final String NOTIFICATION_SOUND = "notification_sound";
1432
1433        /**
1434         * A {@link Uri} that will point to the current default notification
1435         * sound at any given time.
1436         *
1437         * @see #DEFAULT_RINGTONE_URI
1438         */
1439        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1440
1441        /**
1442         * Persistent store for the system-wide default alarm alert.
1443         *
1444         * @see #RINGTONE
1445         * @see #DEFAULT_ALARM_ALERT_URI
1446         */
1447        public static final String ALARM_ALERT = "alarm_alert";
1448
1449        /**
1450         * A {@link Uri} that will point to the current default alarm alert at
1451         * any given time.
1452         *
1453         * @see #DEFAULT_ALARM_ALERT_URI
1454         */
1455        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1456
1457        /**
1458         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1459         */
1460        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1461
1462        /**
1463         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1464         */
1465        public static final String TEXT_AUTO_CAPS = "auto_caps";
1466
1467        /**
1468         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1469         * feature converts two spaces to a "." and space.
1470         */
1471        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1472
1473        /**
1474         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1475         */
1476        public static final String TEXT_SHOW_PASSWORD = "show_password";
1477
1478        public static final String SHOW_GTALK_SERVICE_STATUS =
1479                "SHOW_GTALK_SERVICE_STATUS";
1480
1481        /**
1482         * Name of activity to use for wallpaper on the home screen.
1483         */
1484        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1485
1486        /**
1487         * Value to specify if the user prefers the date, time and time zone
1488         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1489         */
1490        public static final String AUTO_TIME = "auto_time";
1491
1492        /**
1493         * Display times as 12 or 24 hours
1494         *   12
1495         *   24
1496         */
1497        public static final String TIME_12_24 = "time_12_24";
1498
1499        /**
1500         * Date format string
1501         *   mm/dd/yyyy
1502         *   dd/mm/yyyy
1503         *   yyyy/mm/dd
1504         */
1505        public static final String DATE_FORMAT = "date_format";
1506
1507        /**
1508         * Whether the setup wizard has been run before (on first boot), or if
1509         * it still needs to be run.
1510         *
1511         * nonzero = it has been run in the past
1512         * 0 = it has not been run in the past
1513         */
1514        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1515
1516        /**
1517         * Scaling factor for normal window animations. Setting to 0 will disable window
1518         * animations.
1519         */
1520        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1521
1522        /**
1523         * Scaling factor for activity transition animations. Setting to 0 will disable window
1524         * animations.
1525         */
1526        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1527
1528        /**
1529         * Scaling factor for normal window animations. Setting to 0 will disable window
1530         * animations.
1531         * @hide
1532         */
1533        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1534
1535        /**
1536         * Control whether the accelerometer will be used to change screen
1537         * orientation.  If 0, it will not be used unless explicitly requested
1538         * by the application; if 1, it will be used by default unless explicitly
1539         * disabled by the application.
1540         */
1541        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1542
1543        /**
1544         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1545         * boolean (1 or 0).
1546         */
1547        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1548
1549        /**
1550         * CDMA only settings
1551         * DTMF tone type played by the dialer when dialing.
1552         *                 0 = Normal
1553         *                 1 = Long
1554         * @hide
1555         */
1556        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1557
1558        /**
1559         * CDMA only settings
1560         * Emergency Tone  0 = Off
1561         *                 1 = Alert
1562         *                 2 = Vibrate
1563         * @hide
1564         */
1565        public static final String EMERGENCY_TONE = "emergency_tone";
1566
1567        /**
1568         * CDMA only settings
1569         * Whether the auto retry is enabled. The value is
1570         * boolean (1 or 0).
1571         * @hide
1572         */
1573        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1574
1575        /**
1576         * Whether the hearing aid is enabled. The value is
1577         * boolean (1 or 0).
1578         * @hide
1579         */
1580        public static final String HEARING_AID = "hearing_aid";
1581
1582        /**
1583         * CDMA only settings
1584         * TTY Mode
1585         * 0 = OFF
1586         * 1 = FULL
1587         * 2 = VCO
1588         * 3 = HCO
1589         * @hide
1590         */
1591        public static final String TTY_MODE = "tty_mode";
1592
1593        /**
1594         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1595         * boolean (1 or 0).
1596         */
1597        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1598
1599        /**
1600         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1601         * boolean (1 or 0).
1602         */
1603        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1604
1605        /**
1606         * Whether live web suggestions while the user types into search dialogs are
1607         * enabled. Browsers and other search UIs should respect this, as it allows
1608         * a user to avoid sending partial queries to a search engine, if it poses
1609         * any privacy concern. The value is boolean (1 or 0).
1610         */
1611        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1612
1613        /**
1614         * Whether the notification LED should repeatedly flash when a notification is
1615         * pending. The value is boolean (1 or 0).
1616         * @hide
1617         */
1618        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1619
1620        /**
1621         * Show pointer location on screen?
1622         * 0 = no
1623         * 1 = yes
1624         * @hide
1625         */
1626        public static final String POINTER_LOCATION = "pointer_location";
1627
1628        /**
1629         * Whether to play a sound for low-battery alerts.
1630         * @hide
1631         */
1632        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1633
1634        /**
1635         * Whether to play a sound for dock events.
1636         * @hide
1637         */
1638        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1639
1640        /**
1641         * Whether to play sounds when the keyguard is shown and dismissed.
1642         * @hide
1643         */
1644        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1645
1646        /**
1647         * URI for the low battery sound file.
1648         * @hide
1649         */
1650        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1651
1652        /**
1653         * URI for the desk dock "in" event sound.
1654         * @hide
1655         */
1656        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1657
1658        /**
1659         * URI for the desk dock "out" event sound.
1660         * @hide
1661         */
1662        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1663
1664        /**
1665         * URI for the car dock "in" event sound.
1666         * @hide
1667         */
1668        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1669
1670        /**
1671         * URI for the car dock "out" event sound.
1672         * @hide
1673         */
1674        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1675
1676        /**
1677         * URI for the "device locked" (keyguard shown) sound.
1678         * @hide
1679         */
1680        public static final String LOCK_SOUND = "lock_sound";
1681
1682        /**
1683         * URI for the "device unlocked" (keyguard dismissed) sound.
1684         * @hide
1685         */
1686        public static final String UNLOCK_SOUND = "unlock_sound";
1687
1688        /**
1689         * Settings to backup. This is here so that it's in the same place as the settings
1690         * keys and easy to update.
1691         * @hide
1692         */
1693        public static final String[] SETTINGS_TO_BACKUP = {
1694            STAY_ON_WHILE_PLUGGED_IN,
1695            WIFI_SLEEP_POLICY,
1696            WIFI_USE_STATIC_IP,
1697            WIFI_STATIC_IP,
1698            WIFI_STATIC_GATEWAY,
1699            WIFI_STATIC_NETMASK,
1700            WIFI_STATIC_DNS1,
1701            WIFI_STATIC_DNS2,
1702            BLUETOOTH_DISCOVERABILITY,
1703            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1704            DIM_SCREEN,
1705            SCREEN_OFF_TIMEOUT,
1706            SCREEN_BRIGHTNESS,
1707            SCREEN_BRIGHTNESS_MODE,
1708            VIBRATE_ON,
1709            NOTIFICATIONS_USE_RING_VOLUME,
1710            MODE_RINGER,
1711            MODE_RINGER_STREAMS_AFFECTED,
1712            MUTE_STREAMS_AFFECTED,
1713            VOLUME_VOICE,
1714            VOLUME_SYSTEM,
1715            VOLUME_RING,
1716            VOLUME_MUSIC,
1717            VOLUME_ALARM,
1718            VOLUME_NOTIFICATION,
1719            VOLUME_BLUETOOTH_SCO,
1720            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1721            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1722            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1723            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1724            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1725            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1726            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
1727            VIBRATE_IN_SILENT,
1728            TEXT_AUTO_REPLACE,
1729            TEXT_AUTO_CAPS,
1730            TEXT_AUTO_PUNCTUATE,
1731            TEXT_SHOW_PASSWORD,
1732            AUTO_TIME,
1733            TIME_12_24,
1734            DATE_FORMAT,
1735            ACCELEROMETER_ROTATION,
1736            DTMF_TONE_WHEN_DIALING,
1737            DTMF_TONE_TYPE_WHEN_DIALING,
1738            EMERGENCY_TONE,
1739            CALL_AUTO_RETRY,
1740            HEARING_AID,
1741            TTY_MODE,
1742            SOUND_EFFECTS_ENABLED,
1743            HAPTIC_FEEDBACK_ENABLED,
1744            POWER_SOUNDS_ENABLED,
1745            DOCK_SOUNDS_ENABLED,
1746            LOCKSCREEN_SOUNDS_ENABLED,
1747            SHOW_WEB_SUGGESTIONS,
1748            NOTIFICATION_LIGHT_PULSE
1749        };
1750
1751        // Settings moved to Settings.Secure
1752
1753        /**
1754         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1755         * instead
1756         */
1757        @Deprecated
1758        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1759
1760        /**
1761         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1762         */
1763        @Deprecated
1764        public static final String ANDROID_ID = Secure.ANDROID_ID;
1765
1766        /**
1767         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1768         */
1769        @Deprecated
1770        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1771
1772        /**
1773         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1774         */
1775        @Deprecated
1776        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1777
1778        /**
1779         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1780         */
1781        @Deprecated
1782        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1783
1784        /**
1785         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1786         */
1787        @Deprecated
1788        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1789
1790        /**
1791         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1792         */
1793        @Deprecated
1794        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1795
1796        /**
1797         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1798         * instead
1799         */
1800        @Deprecated
1801        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1802
1803        /**
1804         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1805         */
1806        @Deprecated
1807        public static final String LOGGING_ID = Secure.LOGGING_ID;
1808
1809        /**
1810         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1811         */
1812        @Deprecated
1813        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1814
1815        /**
1816         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1817         * instead
1818         */
1819        @Deprecated
1820        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1821
1822        /**
1823         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1824         * instead
1825         */
1826        @Deprecated
1827        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1828
1829        /**
1830         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1831         * instead
1832         */
1833        @Deprecated
1834        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1835            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1836
1837        /**
1838         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1839         */
1840        @Deprecated
1841        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1842
1843        /**
1844         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1845         */
1846        @Deprecated
1847        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1848
1849        /**
1850         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1851         */
1852        @Deprecated
1853        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1854
1855       /**
1856         * @deprecated Use
1857         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1858         */
1859        @Deprecated
1860        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1861
1862        /**
1863         * @deprecated Use
1864         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1865         */
1866        @Deprecated
1867        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1868                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1869
1870        /**
1871         * @deprecated Use
1872         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1873         */
1874        @Deprecated
1875        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1876            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1877
1878        /**
1879         * @deprecated Use
1880         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1881         */
1882        @Deprecated
1883        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1884            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1885
1886        /**
1887         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1888         * instead
1889         */
1890        @Deprecated
1891        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1892
1893        /**
1894         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1895         */
1896        @Deprecated
1897        public static final String WIFI_ON = Secure.WIFI_ON;
1898
1899        /**
1900         * @deprecated Use
1901         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1902         * instead
1903         */
1904        @Deprecated
1905        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1906                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1907
1908        /**
1909         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1910         */
1911        @Deprecated
1912        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1913
1914        /**
1915         * @deprecated Use
1916         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1917         */
1918        @Deprecated
1919        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1920                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1921
1922        /**
1923         * @deprecated Use
1924         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1925         */
1926        @Deprecated
1927        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1928                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1929
1930        /**
1931         * @deprecated Use
1932         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1933         * instead
1934         */
1935        @Deprecated
1936        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1937                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1938
1939        /**
1940         * @deprecated Use
1941         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1942         */
1943        @Deprecated
1944        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1945            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1946
1947        /**
1948         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1949         * instead
1950         */
1951        @Deprecated
1952        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
1953
1954        /**
1955         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
1956         */
1957        @Deprecated
1958        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
1959
1960        /**
1961         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
1962         */
1963        @Deprecated
1964        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
1965
1966        /**
1967         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
1968         * instead
1969         */
1970        @Deprecated
1971        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
1972
1973        /**
1974         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
1975         * instead
1976         */
1977        @Deprecated
1978        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
1979            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
1980    }
1981
1982    /**
1983     * Secure system settings, containing system preferences that applications
1984     * can read but are not allowed to write.  These are for preferences that
1985     * the user must explicitly modify through the system UI or specialized
1986     * APIs for those values, not modified directly by applications.
1987     */
1988    public static final class Secure extends NameValueTable {
1989        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
1990
1991        // Populated lazily, guarded by class object:
1992        private static NameValueCache sNameValueCache = null;
1993
1994        /**
1995         * Look up a name in the database.
1996         * @param resolver to access the database with
1997         * @param name to look up in the table
1998         * @return the corresponding value, or null if not present
1999         */
2000        public synchronized static String getString(ContentResolver resolver, String name) {
2001            if (sNameValueCache == null) {
2002                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2003                                                     CALL_METHOD_GET_SECURE);
2004            }
2005            return sNameValueCache.getString(resolver, name);
2006        }
2007
2008        /**
2009         * Store a name/value pair into the database.
2010         * @param resolver to access the database with
2011         * @param name to store
2012         * @param value to associate with the name
2013         * @return true if the value was set, false on database errors
2014         */
2015        public static boolean putString(ContentResolver resolver,
2016                String name, String value) {
2017            return putString(resolver, CONTENT_URI, name, value);
2018        }
2019
2020        /**
2021         * Construct the content URI for a particular name/value pair,
2022         * useful for monitoring changes with a ContentObserver.
2023         * @param name to look up in the table
2024         * @return the corresponding content URI, or null if not present
2025         */
2026        public static Uri getUriFor(String name) {
2027            return getUriFor(CONTENT_URI, name);
2028        }
2029
2030        /**
2031         * Convenience function for retrieving a single secure settings value
2032         * as an integer.  Note that internally setting values are always
2033         * stored as strings; this function converts the string to an integer
2034         * for you.  The default value will be returned if the setting is
2035         * not defined or not an integer.
2036         *
2037         * @param cr The ContentResolver to access.
2038         * @param name The name of the setting to retrieve.
2039         * @param def Value to return if the setting is not defined.
2040         *
2041         * @return The setting's current value, or 'def' if it is not defined
2042         * or not a valid integer.
2043         */
2044        public static int getInt(ContentResolver cr, String name, int def) {
2045            String v = getString(cr, name);
2046            try {
2047                return v != null ? Integer.parseInt(v) : def;
2048            } catch (NumberFormatException e) {
2049                return def;
2050            }
2051        }
2052
2053        /**
2054         * Convenience function for retrieving a single secure settings value
2055         * as an integer.  Note that internally setting values are always
2056         * stored as strings; this function converts the string to an integer
2057         * for you.
2058         * <p>
2059         * This version does not take a default value.  If the setting has not
2060         * been set, or the string value is not a number,
2061         * it throws {@link SettingNotFoundException}.
2062         *
2063         * @param cr The ContentResolver to access.
2064         * @param name The name of the setting to retrieve.
2065         *
2066         * @throws SettingNotFoundException Thrown if a setting by the given
2067         * name can't be found or the setting value is not an integer.
2068         *
2069         * @return The setting's current value.
2070         */
2071        public static int getInt(ContentResolver cr, String name)
2072                throws SettingNotFoundException {
2073            String v = getString(cr, name);
2074            try {
2075                return Integer.parseInt(v);
2076            } catch (NumberFormatException e) {
2077                throw new SettingNotFoundException(name);
2078            }
2079        }
2080
2081        /**
2082         * Convenience function for updating a single settings value as an
2083         * integer. This will either create a new entry in the table if the
2084         * given name does not exist, or modify the value of the existing row
2085         * with that name.  Note that internally setting values are always
2086         * stored as strings, so this function converts the given value to a
2087         * string before storing it.
2088         *
2089         * @param cr The ContentResolver to access.
2090         * @param name The name of the setting to modify.
2091         * @param value The new value for the setting.
2092         * @return true if the value was set, false on database errors
2093         */
2094        public static boolean putInt(ContentResolver cr, String name, int value) {
2095            return putString(cr, name, Integer.toString(value));
2096        }
2097
2098        /**
2099         * Convenience function for retrieving a single secure settings value
2100         * as a {@code long}.  Note that internally setting values are always
2101         * stored as strings; this function converts the string to a {@code long}
2102         * for you.  The default value will be returned if the setting is
2103         * not defined or not a {@code long}.
2104         *
2105         * @param cr The ContentResolver to access.
2106         * @param name The name of the setting to retrieve.
2107         * @param def Value to return if the setting is not defined.
2108         *
2109         * @return The setting's current value, or 'def' if it is not defined
2110         * or not a valid {@code long}.
2111         */
2112        public static long getLong(ContentResolver cr, String name, long def) {
2113            String valString = getString(cr, name);
2114            long value;
2115            try {
2116                value = valString != null ? Long.parseLong(valString) : def;
2117            } catch (NumberFormatException e) {
2118                value = def;
2119            }
2120            return value;
2121        }
2122
2123        /**
2124         * Convenience function for retrieving a single secure settings value
2125         * as a {@code long}.  Note that internally setting values are always
2126         * stored as strings; this function converts the string to a {@code long}
2127         * for you.
2128         * <p>
2129         * This version does not take a default value.  If the setting has not
2130         * been set, or the string value is not a number,
2131         * it throws {@link SettingNotFoundException}.
2132         *
2133         * @param cr The ContentResolver to access.
2134         * @param name The name of the setting to retrieve.
2135         *
2136         * @return The setting's current value.
2137         * @throws SettingNotFoundException Thrown if a setting by the given
2138         * name can't be found or the setting value is not an integer.
2139         */
2140        public static long getLong(ContentResolver cr, String name)
2141                throws SettingNotFoundException {
2142            String valString = getString(cr, name);
2143            try {
2144                return Long.parseLong(valString);
2145            } catch (NumberFormatException e) {
2146                throw new SettingNotFoundException(name);
2147            }
2148        }
2149
2150        /**
2151         * Convenience function for updating a secure settings value as a long
2152         * integer. This will either create a new entry in the table if the
2153         * given name does not exist, or modify the value of the existing row
2154         * with that name.  Note that internally setting values are always
2155         * stored as strings, so this function converts the given value to a
2156         * string before storing it.
2157         *
2158         * @param cr The ContentResolver to access.
2159         * @param name The name of the setting to modify.
2160         * @param value The new value for the setting.
2161         * @return true if the value was set, false on database errors
2162         */
2163        public static boolean putLong(ContentResolver cr, String name, long value) {
2164            return putString(cr, name, Long.toString(value));
2165        }
2166
2167        /**
2168         * Convenience function for retrieving a single secure settings value
2169         * as a floating point number.  Note that internally setting values are
2170         * always stored as strings; this function converts the string to an
2171         * float for you. The default value will be returned if the setting
2172         * is not defined or not a valid float.
2173         *
2174         * @param cr The ContentResolver to access.
2175         * @param name The name of the setting to retrieve.
2176         * @param def Value to return if the setting is not defined.
2177         *
2178         * @return The setting's current value, or 'def' if it is not defined
2179         * or not a valid float.
2180         */
2181        public static float getFloat(ContentResolver cr, String name, float def) {
2182            String v = getString(cr, name);
2183            try {
2184                return v != null ? Float.parseFloat(v) : def;
2185            } catch (NumberFormatException e) {
2186                return def;
2187            }
2188        }
2189
2190        /**
2191         * Convenience function for retrieving a single secure settings value
2192         * as a float.  Note that internally setting values are always
2193         * stored as strings; this function converts the string to a float
2194         * for you.
2195         * <p>
2196         * This version does not take a default value.  If the setting has not
2197         * been set, or the string value is not a number,
2198         * it throws {@link SettingNotFoundException}.
2199         *
2200         * @param cr The ContentResolver to access.
2201         * @param name The name of the setting to retrieve.
2202         *
2203         * @throws SettingNotFoundException Thrown if a setting by the given
2204         * name can't be found or the setting value is not a float.
2205         *
2206         * @return The setting's current value.
2207         */
2208        public static float getFloat(ContentResolver cr, String name)
2209                throws SettingNotFoundException {
2210            String v = getString(cr, name);
2211            try {
2212                return Float.parseFloat(v);
2213            } catch (NumberFormatException e) {
2214                throw new SettingNotFoundException(name);
2215            }
2216        }
2217
2218        /**
2219         * Convenience function for updating a single settings value as a
2220         * floating point number. This will either create a new entry in the
2221         * table if the given name does not exist, or modify the value of the
2222         * existing row with that name.  Note that internally setting values
2223         * are always stored as strings, so this function converts the given
2224         * value to a string before storing it.
2225         *
2226         * @param cr The ContentResolver to access.
2227         * @param name The name of the setting to modify.
2228         * @param value The new value for the setting.
2229         * @return true if the value was set, false on database errors
2230         */
2231        public static boolean putFloat(ContentResolver cr, String name, float value) {
2232            return putString(cr, name, Float.toString(value));
2233        }
2234
2235        /**
2236         * The content:// style URL for this table
2237         */
2238        public static final Uri CONTENT_URI =
2239            Uri.parse("content://" + AUTHORITY + "/secure");
2240
2241        /**
2242         * Whether ADB is enabled.
2243         */
2244        public static final String ADB_ENABLED = "adb_enabled";
2245
2246        /**
2247         * Setting to allow mock locations and location provider status to be injected into the
2248         * LocationManager service for testing purposes during application development.  These
2249         * locations and status values  override actual location and status information generated
2250         * by network, gps, or other location providers.
2251         */
2252        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2253
2254        /**
2255         * A 64-bit number (as a hex string) that is randomly
2256         * generated on the device's first boot and should remain
2257         * constant for the lifetime of the device.  (The value may
2258         * change if a factory reset is performed on the device.)
2259         */
2260        public static final String ANDROID_ID = "android_id";
2261
2262        /**
2263         * Whether bluetooth is enabled/disabled
2264         * 0=disabled. 1=enabled.
2265         */
2266        public static final String BLUETOOTH_ON = "bluetooth_on";
2267
2268        /**
2269         * Get the key that retrieves a bluetooth headset's priority.
2270         * @hide
2271         */
2272        public static final String getBluetoothHeadsetPriorityKey(String address) {
2273            return ("bluetooth_headset_priority_" + address.toUpperCase());
2274        }
2275
2276        /**
2277         * Get the key that retrieves a bluetooth a2dp sink's priority.
2278         * @hide
2279         */
2280        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2281            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2282        }
2283
2284        /**
2285         * Get the key that retrieves a bluetooth Input Device's priority.
2286         * @hide
2287         */
2288        public static final String getBluetoothInputDevicePriorityKey(String address) {
2289            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2290        }
2291
2292        /**
2293         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2294         */
2295        public static final String DATA_ROAMING = "data_roaming";
2296
2297        /**
2298         * Setting to record the input method used by default, holding the ID
2299         * of the desired method.
2300         */
2301        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2302
2303        /**
2304         * Whether the device has been provisioned (0 = false, 1 = true)
2305         */
2306        public static final String DEVICE_PROVISIONED = "device_provisioned";
2307
2308        /**
2309         * List of input methods that are currently enabled.  This is a string
2310         * containing the IDs of all enabled input methods, each ID separated
2311         * by ':'.
2312         */
2313        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2314
2315        /**
2316         * List of system input methods that are currently disabled.  This is a string
2317         * containing the IDs of all disabled input methods, each ID separated
2318         * by ':'.
2319         * @hide
2320         */
2321        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2322
2323        /**
2324         * Host name and port for global proxy.
2325         */
2326        public static final String HTTP_PROXY = "http_proxy";
2327
2328        /**
2329         * Exclusion list for global proxy. This string contains a list of comma-separated
2330         * domains where the global proxy does not apply. Domains should be listed in a comma-
2331         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2332         * @hide
2333         */
2334        public static final String HTTP_PROXY_EXCLUSION_LIST = "http_proxy_exclusion_list";
2335
2336        /**
2337         * Enables the UI setting to allow the user to specify the global HTTP proxy
2338         * and associated exclusion list.
2339         * @hide
2340         */
2341        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2342
2343        /**
2344         * Whether the package installer should allow installation of apps downloaded from
2345         * sources other than the Android Market (vending machine).
2346         *
2347         * 1 = allow installing from other sources
2348         * 0 = only allow installing from the Android Market
2349         */
2350        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2351
2352        /**
2353         * Comma-separated list of location providers that activities may access.
2354         */
2355        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2356
2357        /**
2358         * Whether autolock is enabled (0 = false, 1 = true)
2359         */
2360        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2361
2362        /**
2363         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2364         */
2365        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2366
2367        /**
2368         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2369         */
2370        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2371            "lock_pattern_tactile_feedback_enabled";
2372
2373        /**
2374         * Whether assisted GPS should be enabled or not.
2375         * @hide
2376         */
2377        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2378
2379        /**
2380         * The Logging ID (a unique 64-bit value) as a hex string.
2381         * Used as a pseudonymous identifier for logging.
2382         * @deprecated This identifier is poorly initialized and has
2383         * many collisions.  It should not be used.
2384         */
2385        @Deprecated
2386        public static final String LOGGING_ID = "logging_id";
2387
2388        /**
2389         * User preference for which network(s) should be used. Only the
2390         * connectivity service should touch this.
2391         */
2392        public static final String NETWORK_PREFERENCE = "network_preference";
2393
2394        /**
2395         * Used to disable Tethering on a device - defaults to true
2396         * @hide
2397         */
2398        public static final String TETHER_SUPPORTED = "tether_supported";
2399
2400        /**
2401         * Used to require DUN APN on the device or not - defaults to a build config value
2402         * which defaults to false
2403         * @hide
2404         */
2405        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2406
2407        /**
2408         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2409         * corresponding build config values are set it will override the APN DB
2410         * values.
2411         * Consists of a comma seperated list of strings:
2412         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2413         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2414         * @hide
2415         */
2416        public static final String TETHER_DUN_APN = "tether_dun_apn";
2417
2418        /**
2419         * No longer supported.
2420         */
2421        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2422
2423        /**
2424         * No longer supported.
2425         */
2426        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2427
2428        /**
2429         * No longer supported.
2430         */
2431        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2432
2433        /**
2434         * A positive value indicates the frequency of SamplingProfiler
2435         * taking snapshots in hertz. Zero value means SamplingProfiler is disabled.
2436         *
2437         * @hide
2438         */
2439        public static final String SAMPLING_PROFILER_HZ = "sampling_profiler_hz";
2440
2441        /**
2442         * Settings classname to launch when Settings is clicked from All
2443         * Applications.  Needed because of user testing between the old
2444         * and new Settings apps.
2445         */
2446        // TODO: 881807
2447        public static final String SETTINGS_CLASSNAME = "settings_classname";
2448
2449        /**
2450         * USB Mass Storage Enabled
2451         */
2452        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2453
2454        /**
2455         * If this setting is set (to anything), then all references
2456         * to Gmail on the device must change to Google Mail.
2457         */
2458        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2459
2460        /**
2461         * If accessibility is enabled.
2462         */
2463        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2464
2465        /**
2466         * List of the enabled accessibility providers.
2467         */
2468        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2469            "enabled_accessibility_services";
2470
2471        /**
2472         * Setting to always use the default text-to-speech settings regardless
2473         * of the application settings.
2474         * 1 = override application settings,
2475         * 0 = use application settings (if specified).
2476         */
2477        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2478
2479        /**
2480         * Default text-to-speech engine speech rate. 100 = 1x
2481         */
2482        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2483
2484        /**
2485         * Default text-to-speech engine pitch. 100 = 1x
2486         */
2487        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2488
2489        /**
2490         * Default text-to-speech engine.
2491         */
2492        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2493
2494        /**
2495         * Default text-to-speech language.
2496         */
2497        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2498
2499        /**
2500         * Default text-to-speech country.
2501         */
2502        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2503
2504        /**
2505         * Default text-to-speech locale variant.
2506         */
2507        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2508
2509        /**
2510         * Space delimited list of plugin packages that are enabled.
2511         */
2512        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
2513
2514        /**
2515         * Whether to notify the user of open networks.
2516         * <p>
2517         * If not connected and the scan results have an open network, we will
2518         * put this notification up. If we attempt to connect to a network or
2519         * the open network(s) disappear, we remove the notification. When we
2520         * show the notification, we will not show it again for
2521         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2522         */
2523        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2524                "wifi_networks_available_notification_on";
2525
2526        /**
2527         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2528         * Connecting to a network will reset the timer.
2529         */
2530        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2531                "wifi_networks_available_repeat_delay";
2532
2533        /**
2534         * The number of radio channels that are allowed in the local
2535         * 802.11 regulatory domain.
2536         * @hide
2537         */
2538        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2539
2540        /**
2541         * When the number of open networks exceeds this number, the
2542         * least-recently-used excess networks will be removed.
2543         */
2544        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2545
2546        /**
2547         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2548         */
2549        public static final String WIFI_ON = "wifi_on";
2550
2551        /**
2552         * Used to save the Wifi_ON state prior to tethering.
2553         * This state will be checked to restore Wifi after
2554         * the user turns off tethering.
2555         *
2556         * @hide
2557         */
2558        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
2559
2560        /**
2561         * AP SSID
2562         *
2563         * @hide
2564         */
2565        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
2566
2567        /**
2568         * AP security
2569         *
2570         * @hide
2571         */
2572        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
2573
2574        /**
2575         * AP passphrase
2576         *
2577         * @hide
2578         */
2579        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
2580
2581        /**
2582         * The acceptable packet loss percentage (range 0 - 100) before trying
2583         * another AP on the same network.
2584         */
2585        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2586                "wifi_watchdog_acceptable_packet_loss_percentage";
2587
2588        /**
2589         * The number of access points required for a network in order for the
2590         * watchdog to monitor it.
2591         */
2592        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2593
2594        /**
2595         * The delay between background checks.
2596         */
2597        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2598                "wifi_watchdog_background_check_delay_ms";
2599
2600        /**
2601         * Whether the Wi-Fi watchdog is enabled for background checking even
2602         * after it thinks the user has connected to a good access point.
2603         */
2604        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2605                "wifi_watchdog_background_check_enabled";
2606
2607        /**
2608         * The timeout for a background ping
2609         */
2610        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2611                "wifi_watchdog_background_check_timeout_ms";
2612
2613        /**
2614         * The number of initial pings to perform that *may* be ignored if they
2615         * fail. Again, if these fail, they will *not* be used in packet loss
2616         * calculation. For example, one network always seemed to time out for
2617         * the first couple pings, so this is set to 3 by default.
2618         */
2619        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2620            "wifi_watchdog_initial_ignored_ping_count";
2621
2622        /**
2623         * The maximum number of access points (per network) to attempt to test.
2624         * If this number is reached, the watchdog will no longer monitor the
2625         * initial connection state for the network. This is a safeguard for
2626         * networks containing multiple APs whose DNS does not respond to pings.
2627         */
2628        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2629
2630        /**
2631         * Whether the Wi-Fi watchdog is enabled.
2632         */
2633        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2634
2635        /**
2636         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2637         */
2638        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2639
2640        /**
2641         * The number of pings to test if an access point is a good connection.
2642         */
2643        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2644
2645        /**
2646         * The delay between pings.
2647         */
2648        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2649
2650        /**
2651         * The timeout per ping.
2652         */
2653        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2654
2655        /**
2656         * The maximum number of times we will retry a connection to an access
2657         * point for which we have failed in acquiring an IP address from DHCP.
2658         * A value of N means that we will make N+1 connection attempts in all.
2659         */
2660        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2661
2662        /**
2663         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2664         * data connectivity to be established after a disconnect from Wi-Fi.
2665         */
2666        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2667            "wifi_mobile_data_transition_wakelock_timeout_ms";
2668
2669        /**
2670         * Whether background data usage is allowed by the user. See
2671         * ConnectivityManager for more info.
2672         */
2673        public static final String BACKGROUND_DATA = "background_data";
2674
2675        /**
2676         * Origins for which browsers should allow geolocation by default.
2677         * The value is a space-separated list of origins.
2678         */
2679        public static final String ALLOWED_GEOLOCATION_ORIGINS
2680                = "allowed_geolocation_origins";
2681
2682        /**
2683         * Whether mobile data connections are allowed by the user.  See
2684         * ConnectivityManager for more info.
2685         * @hide
2686         */
2687        public static final String MOBILE_DATA = "mobile_data";
2688
2689        /**
2690         * The CDMA roaming mode 0 = Home Networks, CDMA default
2691         *                       1 = Roaming on Affiliated networks
2692         *                       2 = Roaming on any networks
2693         * @hide
2694         */
2695        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2696
2697        /**
2698         * The CDMA subscription mode 0 = RUIM/SIM (default)
2699         *                                1 = NV
2700         * @hide
2701         */
2702        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2703
2704        /**
2705         * The preferred network mode   7 = Global
2706         *                              6 = EvDo only
2707         *                              5 = CDMA w/o EvDo
2708         *                              4 = CDMA / EvDo auto
2709         *                              3 = GSM / WCDMA auto
2710         *                              2 = WCDMA only
2711         *                              1 = GSM only
2712         *                              0 = GSM / WCDMA preferred
2713         * @hide
2714         */
2715        public static final String PREFERRED_NETWORK_MODE =
2716                "preferred_network_mode";
2717
2718        /**
2719         * The preferred TTY mode     0 = TTy Off, CDMA default
2720         *                            1 = TTY Full
2721         *                            2 = TTY HCO
2722         *                            3 = TTY VCO
2723         * @hide
2724         */
2725        public static final String PREFERRED_TTY_MODE =
2726                "preferred_tty_mode";
2727
2728
2729        /**
2730         * CDMA Cell Broadcast SMS
2731         *                            0 = CDMA Cell Broadcast SMS disabled
2732         *                            1 = CDMA Cell Broadcast SMS enabled
2733         * @hide
2734         */
2735        public static final String CDMA_CELL_BROADCAST_SMS =
2736                "cdma_cell_broadcast_sms";
2737
2738        /**
2739         * The cdma subscription 0 = Subscription from RUIM, when available
2740         *                       1 = Subscription from NV
2741         * @hide
2742         */
2743        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2744                "preferred_cdma_subscription";
2745
2746        /**
2747         * Whether the enhanced voice privacy mode is enabled.
2748         * 0 = normal voice privacy
2749         * 1 = enhanced voice privacy
2750         * @hide
2751         */
2752        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2753
2754        /**
2755         * Whether the TTY mode mode is enabled.
2756         * 0 = disabled
2757         * 1 = enabled
2758         * @hide
2759         */
2760        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2761
2762        /**
2763         * Controls whether settings backup is enabled.
2764         * Type: int ( 0 = disabled, 1 = enabled )
2765         * @hide
2766         */
2767        public static final String BACKUP_ENABLED = "backup_enabled";
2768
2769        /**
2770         * Controls whether application data is automatically restored from backup
2771         * at install time.
2772         * Type: int ( 0 = disabled, 1 = enabled )
2773         * @hide
2774         */
2775        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
2776
2777        /**
2778         * Indicates whether settings backup has been fully provisioned.
2779         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2780         * @hide
2781         */
2782        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2783
2784        /**
2785         * Component of the transport to use for backup/restore.
2786         * @hide
2787         */
2788        public static final String BACKUP_TRANSPORT = "backup_transport";
2789
2790        /**
2791         * Version for which the setup wizard was last shown.  Bumped for
2792         * each release when there is new setup information to show.
2793         * @hide
2794         */
2795        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2796
2797        /**
2798         * How frequently (in seconds) to check the memory status of the
2799         * device.
2800         * @hide
2801         */
2802        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2803
2804        /**
2805         * Max frequency (in seconds) to log memory check stats, in realtime
2806         * seconds.  This allows for throttling of logs when the device is
2807         * running for large amounts of time.
2808         * @hide
2809         */
2810        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2811                "memcheck_log_realtime_interval";
2812
2813        /**
2814         * Boolean indicating whether rebooting due to system memory checks
2815         * is enabled.
2816         * @hide
2817         */
2818        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2819
2820        /**
2821         * How many bytes the system process must be below to avoid scheduling
2822         * a soft reboot.  This reboot will happen when it is next determined
2823         * to be a good time.
2824         * @hide
2825         */
2826        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2827
2828        /**
2829         * How many bytes the system process must be below to avoid scheduling
2830         * a hard reboot.  This reboot will happen immediately.
2831         * @hide
2832         */
2833        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2834
2835        /**
2836         * How many bytes the phone process must be below to avoid scheduling
2837         * a soft restart.  This restart will happen when it is next determined
2838         * to be a good time.
2839         * @hide
2840         */
2841        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2842
2843        /**
2844         * How many bytes the phone process must be below to avoid scheduling
2845         * a hard restart.  This restart will happen immediately.
2846         * @hide
2847         */
2848        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2849
2850        /**
2851         * Boolean indicating whether restarting the phone process due to
2852         * memory checks is enabled.
2853         * @hide
2854         */
2855        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2856
2857        /**
2858         * First time during the day it is okay to kill processes
2859         * or reboot the device due to low memory situations.  This number is
2860         * in seconds since midnight.
2861         * @hide
2862         */
2863        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2864
2865        /**
2866         * Last time during the day it is okay to kill processes
2867         * or reboot the device due to low memory situations.  This number is
2868         * in seconds since midnight.
2869         * @hide
2870         */
2871        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2872
2873        /**
2874         * How long the screen must have been off in order to kill processes
2875         * or reboot.  This number is in seconds.  A value of -1 means to
2876         * entirely disregard whether the screen is on.
2877         * @hide
2878         */
2879        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2880
2881        /**
2882         * How much time there must be until the next alarm in order to kill processes
2883         * or reboot.  This number is in seconds.  Note: this value must be
2884         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2885         * always see an alarm scheduled within its time.
2886         * @hide
2887         */
2888        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2889
2890        /**
2891         * How frequently to check whether it is a good time to restart things,
2892         * if the device is in a bad state.  This number is in seconds.  Note:
2893         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2894         * the alarm to schedule the recheck will always appear within the
2895         * minimum "do not execute now" time.
2896         * @hide
2897         */
2898        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2899
2900        /**
2901         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2902         * will occur.
2903         * @hide
2904         */
2905        public static final String REBOOT_INTERVAL = "reboot_interval";
2906
2907        /**
2908         * First time during the day it is okay to force a reboot of the
2909         * device (if REBOOT_INTERVAL is set).  This number is
2910         * in seconds since midnight.
2911         * @hide
2912         */
2913        public static final String REBOOT_START_TIME = "reboot_start_time";
2914
2915        /**
2916         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2917         * a reboot can be executed.  If 0, a reboot will always be executed at
2918         * exactly the given time.  Otherwise, it will only be executed if
2919         * the device is idle within the window.
2920         * @hide
2921         */
2922        public static final String REBOOT_WINDOW = "reboot_window";
2923
2924        /**
2925         * Threshold values for the duration and level of a discharge cycle, under
2926         * which we log discharge cycle info.
2927         * @hide
2928         */
2929        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
2930                "battery_discharge_duration_threshold";
2931        /** @hide */
2932        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
2933
2934        /**
2935         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
2936         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
2937         * will never display the "Report" button.
2938         * Type: int ( 0 = disallow, 1 = allow )
2939         * @hide
2940         */
2941        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
2942
2943        /**
2944         * Nonzero causes Log.wtf() to crash.
2945         * @hide
2946         */
2947        public static final String WTF_IS_FATAL = "wtf_is_fatal";
2948
2949        /**
2950         * Maximum age of entries kept by {@link android.os.IDropBox}.
2951         * @hide
2952         */
2953        public static final String DROPBOX_AGE_SECONDS =
2954                "dropbox_age_seconds";
2955        /**
2956         * Maximum number of entry files which {@link android.os.IDropBox} will keep around.
2957         * @hide
2958         */
2959        public static final String DROPBOX_MAX_FILES =
2960                "dropbox_max_files";
2961        /**
2962         * Maximum amount of disk space used by {@link android.os.IDropBox} no matter what.
2963         * @hide
2964         */
2965        public static final String DROPBOX_QUOTA_KB =
2966                "dropbox_quota_kb";
2967        /**
2968         * Percent of free disk (excluding reserve) which {@link android.os.IDropBox} will use.
2969         * @hide
2970         */
2971        public static final String DROPBOX_QUOTA_PERCENT =
2972                "dropbox_quota_percent";
2973        /**
2974         * Percent of total disk which {@link android.os.IDropBox} will never dip into.
2975         * @hide
2976         */
2977        public static final String DROPBOX_RESERVE_PERCENT =
2978                "dropbox_reserve_percent";
2979        /**
2980         * Prefix for per-tag dropbox disable/enable settings.
2981         * @hide
2982         */
2983        public static final String DROPBOX_TAG_PREFIX =
2984                "dropbox:";
2985        /**
2986         * Lines of logcat to include with system crash/ANR/etc. reports,
2987         * as a prefix of the dropbox tag of the report type.
2988         * For example, "logcat_for_system_server_anr" controls the lines
2989         * of logcat captured with system server ANR reports.  0 to disable.
2990         * @hide
2991         */
2992        public static final String ERROR_LOGCAT_PREFIX =
2993                "logcat_for_";
2994
2995
2996        /**
2997         * Screen timeout in milliseconds corresponding to the
2998         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
2999         * possible screen timeout behavior.)
3000         * @hide
3001         */
3002        public static final String SHORT_KEYLIGHT_DELAY_MS =
3003                "short_keylight_delay_ms";
3004
3005        /**
3006         * The interval in minutes after which the amount of free storage left on the
3007         * device is logged to the event log
3008         * @hide
3009         */
3010        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3011                "sys_free_storage_log_interval";
3012
3013        /**
3014         * Threshold for the amount of change in disk free space required to report the amount of
3015         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3016         * frequently.
3017         * @hide
3018         */
3019        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3020                "disk_free_change_reporting_threshold";
3021
3022
3023        /**
3024         * Minimum percentage of free storage on the device that is used to determine if
3025         * the device is running low on storage.
3026         * Say this value is set to 10, the device is considered running low on storage
3027         * if 90% or more of the device storage is filled up.
3028         * @hide
3029         */
3030        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3031                "sys_storage_threshold_percentage";
3032
3033        /**
3034         * The interval in milliseconds after which Wi-Fi is considered idle.
3035         * When idle, it is possible for the device to be switched from Wi-Fi to
3036         * the mobile data network.
3037         * @hide
3038         */
3039        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3040
3041        /**
3042         * The interval in milliseconds at which to check packet counts on the
3043         * mobile data interface when screen is on, to detect possible data
3044         * connection problems.
3045         * @hide
3046         */
3047        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3048                "pdp_watchdog_poll_interval_ms";
3049
3050        /**
3051         * The interval in milliseconds at which to check packet counts on the
3052         * mobile data interface when screen is off, to detect possible data
3053         * connection problems.
3054         * @hide
3055         */
3056        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3057                "pdp_watchdog_long_poll_interval_ms";
3058
3059        /**
3060         * The interval in milliseconds at which to check packet counts on the
3061         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3062         * outgoing packets has been reached without incoming packets.
3063         * @hide
3064         */
3065        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3066                "pdp_watchdog_error_poll_interval_ms";
3067
3068        /**
3069         * The number of outgoing packets sent without seeing an incoming packet
3070         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3071         * device is logged to the event log
3072         * @hide
3073         */
3074        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3075                "pdp_watchdog_trigger_packet_count";
3076
3077        /**
3078         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3079         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3080         * attempting data connection recovery.
3081         * @hide
3082         */
3083        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3084                "pdp_watchdog_error_poll_count";
3085
3086        /**
3087         * The number of failed PDP reset attempts before moving to something more
3088         * drastic: re-registering to the network.
3089         * @hide
3090         */
3091        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3092                "pdp_watchdog_max_pdp_reset_fail_count";
3093
3094        /**
3095         * Address to ping as a last sanity check before attempting any recovery.
3096         * Unset or set to "0.0.0.0" to skip this check.
3097         * @hide
3098         */
3099        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3100
3101        /**
3102         * The "-w deadline" parameter for the ping, ie, the max time in
3103         * seconds to spend pinging.
3104         * @hide
3105         */
3106        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3107
3108        /**
3109         * The interval in milliseconds at which to check gprs registration
3110         * after the first registration mismatch of gprs and voice service,
3111         * to detect possible data network registration problems.
3112         *
3113         * @hide
3114         */
3115        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3116                "gprs_register_check_period_ms";
3117
3118        /**
3119         * The length of time in milli-seconds that automatic small adjustments to
3120         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3121         * @hide
3122         */
3123        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3124
3125        /**
3126         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3127         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3128         * exceeded.
3129         * @hide
3130         */
3131        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3132
3133        /**
3134         * The maximum reconnect delay for short network outages or when the network is suspended
3135         * due to phone use.
3136         * @hide
3137         */
3138        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3139                "sync_max_retry_delay_in_seconds";
3140
3141        /**
3142         * The interval in milliseconds at which to check the number of SMS sent
3143         * out without asking for use permit, to limit the un-authorized SMS
3144         * usage.
3145         * @hide
3146         */
3147        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3148                "sms_outgoing_check_interval_ms";
3149
3150        /**
3151         * The number of outgoing SMS sent without asking for user permit
3152         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3153         * @hide
3154         */
3155        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3156                "sms_outgoing_check_max_count";
3157
3158        /**
3159         * The number of promoted sources in GlobalSearch.
3160         * @hide
3161         */
3162        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3163        /**
3164         * The maximum number of suggestions returned by GlobalSearch.
3165         * @hide
3166         */
3167        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3168        /**
3169         * The number of suggestions GlobalSearch will ask each non-web search source for.
3170         * @hide
3171         */
3172        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3173        /**
3174         * The number of suggestions the GlobalSearch will ask the web search source for.
3175         * @hide
3176         */
3177        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3178                "search_web_results_override_limit";
3179        /**
3180         * The number of milliseconds that GlobalSearch will wait for suggestions from
3181         * promoted sources before continuing with all other sources.
3182         * @hide
3183         */
3184        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3185                "search_promoted_source_deadline_millis";
3186        /**
3187         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3188         * @hide
3189         */
3190        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3191        /**
3192         * The maximum number of milliseconds that GlobalSearch shows the previous results
3193         * after receiving a new query.
3194         * @hide
3195         */
3196        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3197        /**
3198         * The maximum age of log data used for shortcuts in GlobalSearch.
3199         * @hide
3200         */
3201        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3202        /**
3203         * The maximum age of log data used for source ranking in GlobalSearch.
3204         * @hide
3205         */
3206        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3207                "search_max_source_event_age_millis";
3208        /**
3209         * The minimum number of impressions needed to rank a source in GlobalSearch.
3210         * @hide
3211         */
3212        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3213                "search_min_impressions_for_source_ranking";
3214        /**
3215         * The minimum number of clicks needed to rank a source in GlobalSearch.
3216         * @hide
3217         */
3218        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3219                "search_min_clicks_for_source_ranking";
3220        /**
3221         * The maximum number of shortcuts shown by GlobalSearch.
3222         * @hide
3223         */
3224        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3225        /**
3226         * The size of the core thread pool for suggestion queries in GlobalSearch.
3227         * @hide
3228         */
3229        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3230                "search_query_thread_core_pool_size";
3231        /**
3232         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3233         * @hide
3234         */
3235        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3236                "search_query_thread_max_pool_size";
3237        /**
3238         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3239         * @hide
3240         */
3241        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3242                "search_shortcut_refresh_core_pool_size";
3243        /**
3244         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3245         * @hide
3246         */
3247        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3248                "search_shortcut_refresh_max_pool_size";
3249        /**
3250         * The maximun time that excess threads in the GlobalSeach thread pools will
3251         * wait before terminating.
3252         * @hide
3253         */
3254        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3255                "search_thread_keepalive_seconds";
3256        /**
3257         * The maximum number of concurrent suggestion queries to each source.
3258         * @hide
3259         */
3260        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3261                "search_per_source_concurrent_query_limit";
3262
3263        /**
3264         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3265         * @hide
3266         */
3267        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3268
3269        /**
3270         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3271         * @hide
3272         */
3273        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3274
3275        /**
3276         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3277         * @hide
3278         */
3279        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3280
3281        /**
3282         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3283         * @hide
3284         */
3285        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3286
3287        /**
3288         * If nonzero, ANRs in invisible background processes bring up a dialog.
3289         * Otherwise, the process will be silently killed.
3290         * @hide
3291         */
3292        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3293
3294        /**
3295         * The {@link ComponentName} string of the service to be used as the voice recognition
3296         * service.
3297         *
3298         * @hide
3299         */
3300        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3301
3302        /**
3303         * What happens when the user presses the Power button while in-call
3304         * and the screen is on.<br/>
3305         * <b>Values:</b><br/>
3306         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
3307         * 2 - The Power button hangs up the current call.<br/>
3308         *
3309         * @hide
3310         */
3311        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
3312
3313        /**
3314         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
3315         * @hide
3316         */
3317        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
3318
3319        /**
3320         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
3321         * @hide
3322         */
3323        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
3324
3325        /**
3326         * INCALL_POWER_BUTTON_BEHAVIOR default value.
3327         * @hide
3328         */
3329        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
3330                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
3331
3332        /**
3333         * The current night mode that has been selected by the user.  Owned
3334         * and controlled by UiModeManagerService.  Constants are as per
3335         * UiModeManager.
3336         * @hide
3337         */
3338        public static final String UI_NIGHT_MODE = "ui_night_mode";
3339
3340        /**
3341         * Let user pick default install location.
3342         * @hide
3343         */
3344        public static final String SET_INSTALL_LOCATION = "set_install_location";
3345
3346        /**
3347         * Default install location value.
3348         * 0 = auto, let system decide
3349         * 1 = internal
3350         * 2 = sdcard
3351         * @hide
3352         */
3353        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
3354
3355        /**
3356         * The bandwidth throttle polling freqency in seconds
3357         * @hide
3358         */
3359        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
3360
3361        /**
3362         * The bandwidth throttle threshold (long)
3363         * @hide
3364         */
3365        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
3366
3367        /**
3368         * The bandwidth throttle value (kbps)
3369         * @hide
3370         */
3371        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
3372
3373        /**
3374         * The bandwidth throttle reset calendar day (1-28)
3375         * @hide
3376         */
3377        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
3378
3379        /**
3380         * The throttling notifications we should send
3381         * @hide
3382         */
3383        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
3384
3385        /**
3386         * Help URI for data throttling policy
3387         * @hide
3388         */
3389        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
3390
3391        /**
3392         * The length of time in Sec that we allow our notion of NTP time
3393         * to be cached before we refresh it
3394         * @hide
3395         */
3396        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
3397                "throttle_max_ntp_cache_age_sec";
3398
3399        /**
3400         * The maximum size, in bytes, of a download that the download manager will transfer over
3401         * a non-wifi connection.
3402         * @hide
3403         */
3404        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
3405                "download_manager_max_bytes_over_mobile";
3406
3407
3408        /**
3409         * @hide
3410         */
3411        public static final String[] SETTINGS_TO_BACKUP = {
3412            ADB_ENABLED,
3413            ALLOW_MOCK_LOCATION,
3414            PARENTAL_CONTROL_ENABLED,
3415            PARENTAL_CONTROL_REDIRECT_URL,
3416            USB_MASS_STORAGE_ENABLED,
3417            ACCESSIBILITY_ENABLED,
3418            BACKUP_AUTO_RESTORE,
3419            ENABLED_ACCESSIBILITY_SERVICES,
3420            TTS_USE_DEFAULTS,
3421            TTS_DEFAULT_RATE,
3422            TTS_DEFAULT_PITCH,
3423            TTS_DEFAULT_SYNTH,
3424            TTS_DEFAULT_LANG,
3425            TTS_DEFAULT_COUNTRY,
3426            TTS_ENABLED_PLUGINS,
3427            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
3428            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
3429            WIFI_NUM_ALLOWED_CHANNELS,
3430            WIFI_NUM_OPEN_NETWORKS_KEPT,
3431            MOUNT_PLAY_NOTIFICATION_SND,
3432            MOUNT_UMS_AUTOSTART,
3433            MOUNT_UMS_PROMPT,
3434            MOUNT_UMS_NOTIFY_ENABLED,
3435            UI_NIGHT_MODE
3436        };
3437
3438        /**
3439         * Helper method for determining if a location provider is enabled.
3440         * @param cr the content resolver to use
3441         * @param provider the location provider to query
3442         * @return true if the provider is enabled
3443         */
3444        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
3445            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
3446            if (allowedProviders != null) {
3447                return (allowedProviders.equals(provider) ||
3448                        allowedProviders.contains("," + provider + ",") ||
3449                        allowedProviders.startsWith(provider + ",") ||
3450                        allowedProviders.endsWith("," + provider));
3451            }
3452            return false;
3453        }
3454
3455        /**
3456         * Thread-safe method for enabling or disabling a single location provider.
3457         * @param cr the content resolver to use
3458         * @param provider the location provider to enable or disable
3459         * @param enabled true if the provider should be enabled
3460         */
3461        public static final void setLocationProviderEnabled(ContentResolver cr,
3462                String provider, boolean enabled) {
3463            // to ensure thread safety, we write the provider name with a '+' or '-'
3464            // and let the SettingsProvider handle it rather than reading and modifying
3465            // the list of enabled providers.
3466            if (enabled) {
3467                provider = "+" + provider;
3468            } else {
3469                provider = "-" + provider;
3470            }
3471            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
3472        }
3473    }
3474
3475    /**
3476     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3477     * Intent URL, allowing it to be either a web page or a particular
3478     * application activity.
3479     *
3480     * @hide
3481     */
3482    public static final class Bookmarks implements BaseColumns
3483    {
3484        private static final String TAG = "Bookmarks";
3485
3486        /**
3487         * The content:// style URL for this table
3488         */
3489        public static final Uri CONTENT_URI =
3490            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3491
3492        /**
3493         * The row ID.
3494         * <p>Type: INTEGER</p>
3495         */
3496        public static final String ID = "_id";
3497
3498        /**
3499         * Descriptive name of the bookmark that can be displayed to the user.
3500         * If this is empty, the title should be resolved at display time (use
3501         * {@link #getTitle(Context, Cursor)} any time you want to display the
3502         * title of a bookmark.)
3503         * <P>
3504         * Type: TEXT
3505         * </P>
3506         */
3507        public static final String TITLE = "title";
3508
3509        /**
3510         * Arbitrary string (displayed to the user) that allows bookmarks to be
3511         * organized into categories.  There are some special names for
3512         * standard folders, which all start with '@'.  The label displayed for
3513         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3514         * the folder name does not change so you can consistently query for
3515         * the folder regardless of the current locale.
3516         *
3517         * <P>Type: TEXT</P>
3518         *
3519         */
3520        public static final String FOLDER = "folder";
3521
3522        /**
3523         * The Intent URL of the bookmark, describing what it points to.  This
3524         * value is given to {@link android.content.Intent#getIntent} to create
3525         * an Intent that can be launched.
3526         * <P>Type: TEXT</P>
3527         */
3528        public static final String INTENT = "intent";
3529
3530        /**
3531         * Optional shortcut character associated with this bookmark.
3532         * <P>Type: INTEGER</P>
3533         */
3534        public static final String SHORTCUT = "shortcut";
3535
3536        /**
3537         * The order in which the bookmark should be displayed
3538         * <P>Type: INTEGER</P>
3539         */
3540        public static final String ORDERING = "ordering";
3541
3542        private static final String[] sIntentProjection = { INTENT };
3543        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3544        private static final String sShortcutSelection = SHORTCUT + "=?";
3545
3546        /**
3547         * Convenience function to retrieve the bookmarked Intent for a
3548         * particular shortcut key.
3549         *
3550         * @param cr The ContentResolver to query.
3551         * @param shortcut The shortcut key.
3552         *
3553         * @return Intent The bookmarked URL, or null if there is no bookmark
3554         *         matching the given shortcut.
3555         */
3556        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3557        {
3558            Intent intent = null;
3559
3560            Cursor c = cr.query(CONTENT_URI,
3561                    sIntentProjection, sShortcutSelection,
3562                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3563            // Keep trying until we find a valid shortcut
3564            try {
3565                while (intent == null && c.moveToNext()) {
3566                    try {
3567                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3568                        intent = Intent.parseUri(intentURI, 0);
3569                    } catch (java.net.URISyntaxException e) {
3570                        // The stored URL is bad...  ignore it.
3571                    } catch (IllegalArgumentException e) {
3572                        // Column not found
3573                        Log.w(TAG, "Intent column not found", e);
3574                    }
3575                }
3576            } finally {
3577                if (c != null) c.close();
3578            }
3579
3580            return intent;
3581        }
3582
3583        /**
3584         * Add a new bookmark to the system.
3585         *
3586         * @param cr The ContentResolver to query.
3587         * @param intent The desired target of the bookmark.
3588         * @param title Bookmark title that is shown to the user; null if none
3589         *            or it should be resolved to the intent's title.
3590         * @param folder Folder in which to place the bookmark; null if none.
3591         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3592         *            this is non-zero and there is an existing bookmark entry
3593         *            with this same shortcut, then that existing shortcut is
3594         *            cleared (the bookmark is not removed).
3595         * @return The unique content URL for the new bookmark entry.
3596         */
3597        public static Uri add(ContentResolver cr,
3598                                           Intent intent,
3599                                           String title,
3600                                           String folder,
3601                                           char shortcut,
3602                                           int ordering)
3603        {
3604            // If a shortcut is supplied, and it is already defined for
3605            // another bookmark, then remove the old definition.
3606            if (shortcut != 0) {
3607                cr.delete(CONTENT_URI, sShortcutSelection,
3608                        new String[] { String.valueOf((int) shortcut) });
3609            }
3610
3611            ContentValues values = new ContentValues();
3612            if (title != null) values.put(TITLE, title);
3613            if (folder != null) values.put(FOLDER, folder);
3614            values.put(INTENT, intent.toUri(0));
3615            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3616            values.put(ORDERING, ordering);
3617            return cr.insert(CONTENT_URI, values);
3618        }
3619
3620        /**
3621         * Return the folder name as it should be displayed to the user.  This
3622         * takes care of localizing special folders.
3623         *
3624         * @param r Resources object for current locale; only need access to
3625         *          system resources.
3626         * @param folder The value found in the {@link #FOLDER} column.
3627         *
3628         * @return CharSequence The label for this folder that should be shown
3629         *         to the user.
3630         */
3631        public static CharSequence getLabelForFolder(Resources r, String folder) {
3632            return folder;
3633        }
3634
3635        /**
3636         * Return the title as it should be displayed to the user. This takes
3637         * care of localizing bookmarks that point to activities.
3638         *
3639         * @param context A context.
3640         * @param cursor A cursor pointing to the row whose title should be
3641         *        returned. The cursor must contain at least the {@link #TITLE}
3642         *        and {@link #INTENT} columns.
3643         * @return A title that is localized and can be displayed to the user,
3644         *         or the empty string if one could not be found.
3645         */
3646        public static CharSequence getTitle(Context context, Cursor cursor) {
3647            int titleColumn = cursor.getColumnIndex(TITLE);
3648            int intentColumn = cursor.getColumnIndex(INTENT);
3649            if (titleColumn == -1 || intentColumn == -1) {
3650                throw new IllegalArgumentException(
3651                        "The cursor must contain the TITLE and INTENT columns.");
3652            }
3653
3654            String title = cursor.getString(titleColumn);
3655            if (!TextUtils.isEmpty(title)) {
3656                return title;
3657            }
3658
3659            String intentUri = cursor.getString(intentColumn);
3660            if (TextUtils.isEmpty(intentUri)) {
3661                return "";
3662            }
3663
3664            Intent intent;
3665            try {
3666                intent = Intent.parseUri(intentUri, 0);
3667            } catch (URISyntaxException e) {
3668                return "";
3669            }
3670
3671            PackageManager packageManager = context.getPackageManager();
3672            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3673            return info != null ? info.loadLabel(packageManager) : "";
3674        }
3675    }
3676
3677    /**
3678     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3679     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3680     * from the GoogleLoginService.
3681     *
3682     * @param androidId The Android ID for this device.
3683     * @return The device ID that should be used when connecting to the mobile gtalk server.
3684     * @hide
3685     */
3686    public static String getGTalkDeviceId(long androidId) {
3687        return "android-" + Long.toHexString(androidId);
3688    }
3689}
3690