Settings.java revision 60d8762413e8daba5f73559786312a9ec5e3b827
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.provider;
18
19import com.google.android.collect.Maps;
20
21import org.apache.commons.codec.binary.Base64;
22
23import android.annotation.SdkConstant;
24import android.annotation.SdkConstant.SdkConstantType;
25import android.content.ContentQueryMap;
26import android.content.ContentResolver;
27import android.content.ContentValues;
28import android.content.Context;
29import android.content.Intent;
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.telephony.TelephonyManager;
39import android.text.TextUtils;
40import android.util.AndroidException;
41import android.util.Config;
42import android.util.Log;
43
44import java.net.URISyntaxException;
45import java.security.MessageDigest;
46import java.security.NoSuchAlgorithmException;
47import java.util.Collections;
48import java.util.HashMap;
49import java.util.HashSet;
50import java.util.Map;
51
52
53/**
54 * The Settings provider contains global system-level device preferences.
55 */
56public final class Settings {
57
58    // Intent actions for Settings
59
60    /**
61     * Activity Action: Show system settings.
62     * <p>
63     * Input: Nothing.
64     * <p>
65     * Output: nothing.
66     */
67    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
68    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
69
70    /**
71     * Activity Action: Show settings to allow configuration of APNs.
72     * <p>
73     * Input: Nothing.
74     * <p>
75     * Output: nothing.
76     */
77    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
78    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
79
80    /**
81     * Activity Action: Show settings to allow configuration of current location
82     * sources.
83     * <p>
84     * In some cases, a matching Activity may not exist, so ensure you
85     * safeguard against this.
86     * <p>
87     * Input: Nothing.
88     * <p>
89     * Output: Nothing.
90     */
91    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
92    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
93            "android.settings.LOCATION_SOURCE_SETTINGS";
94
95    /**
96     * Activity Action: Show settings to allow configuration of wireless controls
97     * such as Wi-Fi, Bluetooth and Mobile networks.
98     * <p>
99     * In some cases, a matching Activity may not exist, so ensure you
100     * safeguard against this.
101     * <p>
102     * Input: Nothing.
103     * <p>
104     * Output: Nothing.
105     */
106    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
107    public static final String ACTION_WIRELESS_SETTINGS =
108            "android.settings.WIRELESS_SETTINGS";
109
110    /**
111     * Activity Action: Show settings to allow entering/exiting airplane mode.
112     * <p>
113     * In some cases, a matching Activity may not exist, so ensure you
114     * safeguard against this.
115     * <p>
116     * Input: Nothing.
117     * <p>
118     * Output: Nothing.
119     */
120    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
121    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
122            "android.settings.AIRPLANE_MODE_SETTINGS";
123
124    /**
125     * Activity Action: Show settings for accessibility modules.
126     * <p>
127     * In some cases, a matching Activity may not exist, so ensure you
128     * safeguard against this.
129     * <p>
130     * Input: Nothing.
131     * <p>
132     * Output: Nothing.
133     */
134    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
135    public static final String ACTION_ACCESSIBILITY_SETTINGS =
136            "android.settings.ACCESSIBILITY_SETTINGS";
137
138    /**
139     * Activity Action: Show settings to allow configuration of security and
140     * location privacy.
141     * <p>
142     * In some cases, a matching Activity may not exist, so ensure you
143     * safeguard against this.
144     * <p>
145     * Input: Nothing.
146     * <p>
147     * Output: Nothing.
148     */
149    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
150    public static final String ACTION_SECURITY_SETTINGS =
151            "android.settings.SECURITY_SETTINGS";
152
153    /**
154     * Activity Action: Show settings to allow configuration of privacy options.
155     * <p>
156     * In some cases, a matching Activity may not exist, so ensure you
157     * safeguard against this.
158     * <p>
159     * Input: Nothing.
160     * <p>
161     * Output: Nothing.
162     */
163    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
164    public static final String ACTION_PRIVACY_SETTINGS =
165            "android.settings.PRIVACY_SETTINGS";
166
167    /**
168     * Activity Action: Show settings to allow configuration of Wi-Fi.
169
170     * <p>
171     * In some cases, a matching Activity may not exist, so ensure you
172     * safeguard against this.
173     * <p>
174     * Input: Nothing.
175     * <p>
176     * Output: Nothing.
177
178     */
179    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
180    public static final String ACTION_WIFI_SETTINGS =
181            "android.settings.WIFI_SETTINGS";
182
183    /**
184     * Activity Action: Show settings to allow configuration of a static IP
185     * address for Wi-Fi.
186     * <p>
187     * In some cases, a matching Activity may not exist, so ensure you safeguard
188     * against this.
189     * <p>
190     * Input: Nothing.
191     * <p>
192     * Output: Nothing.
193     */
194    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
195    public static final String ACTION_WIFI_IP_SETTINGS =
196            "android.settings.WIFI_IP_SETTINGS";
197
198    /**
199     * Activity Action: Show settings to allow configuration of Bluetooth.
200     * <p>
201     * In some cases, a matching Activity may not exist, so ensure you
202     * safeguard against this.
203     * <p>
204     * Input: Nothing.
205     * <p>
206     * Output: Nothing.
207     */
208    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
209    public static final String ACTION_BLUETOOTH_SETTINGS =
210            "android.settings.BLUETOOTH_SETTINGS";
211
212    /**
213     * Activity Action: Show settings to allow configuration of date and time.
214     * <p>
215     * In some cases, a matching Activity may not exist, so ensure you
216     * safeguard against this.
217     * <p>
218     * Input: Nothing.
219     * <p>
220     * Output: Nothing.
221     */
222    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
223    public static final String ACTION_DATE_SETTINGS =
224            "android.settings.DATE_SETTINGS";
225
226    /**
227     * Activity Action: Show settings to allow configuration of sound and volume.
228     * <p>
229     * In some cases, a matching Activity may not exist, so ensure you
230     * safeguard against this.
231     * <p>
232     * Input: Nothing.
233     * <p>
234     * Output: Nothing.
235     */
236    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
237    public static final String ACTION_SOUND_SETTINGS =
238            "android.settings.SOUND_SETTINGS";
239
240    /**
241     * Activity Action: Show settings to allow configuration of display.
242     * <p>
243     * In some cases, a matching Activity may not exist, so ensure you
244     * safeguard against this.
245     * <p>
246     * Input: Nothing.
247     * <p>
248     * Output: Nothing.
249     */
250    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
251    public static final String ACTION_DISPLAY_SETTINGS =
252            "android.settings.DISPLAY_SETTINGS";
253
254    /**
255     * Activity Action: Show settings to allow configuration of locale.
256     * <p>
257     * In some cases, a matching Activity may not exist, so ensure you
258     * safeguard against this.
259     * <p>
260     * Input: Nothing.
261     * <p>
262     * Output: Nothing.
263     */
264    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
265    public static final String ACTION_LOCALE_SETTINGS =
266            "android.settings.LOCALE_SETTINGS";
267
268    /**
269     * Activity Action: Show settings to configure input methods, in particular
270     * allowing the user to enable input methods.
271     * <p>
272     * In some cases, a matching Activity may not exist, so ensure you
273     * safeguard against this.
274     * <p>
275     * Input: Nothing.
276     * <p>
277     * Output: Nothing.
278     */
279    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
280    public static final String ACTION_INPUT_METHOD_SETTINGS =
281            "android.settings.INPUT_METHOD_SETTINGS";
282
283    /**
284     * Activity Action: Show settings to manage the user input dictionary.
285     * <p>
286     * In some cases, a matching Activity may not exist, so ensure you
287     * safeguard against this.
288     * <p>
289     * Input: Nothing.
290     * <p>
291     * Output: Nothing.
292     */
293    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
294    public static final String ACTION_USER_DICTIONARY_SETTINGS =
295            "android.settings.USER_DICTIONARY_SETTINGS";
296
297    /**
298     * Activity Action: Show settings to allow configuration of application-related settings.
299     * <p>
300     * In some cases, a matching Activity may not exist, so ensure you
301     * safeguard against this.
302     * <p>
303     * Input: Nothing.
304     * <p>
305     * Output: Nothing.
306     */
307    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
308    public static final String ACTION_APPLICATION_SETTINGS =
309            "android.settings.APPLICATION_SETTINGS";
310
311    /**
312     * Activity Action: Show settings to allow configuration of application
313     * development-related settings.
314     * <p>
315     * In some cases, a matching Activity may not exist, so ensure you safeguard
316     * against this.
317     * <p>
318     * Input: Nothing.
319     * <p>
320     * Output: Nothing.
321     */
322    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
323    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
324            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
325
326    /**
327     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
328     * <p>
329     * In some cases, a matching Activity may not exist, so ensure you
330     * safeguard against this.
331     * <p>
332     * Input: Nothing.
333     * <p>
334     * Output: Nothing.
335     */
336    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
337    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
338            "android.settings.QUICK_LAUNCH_SETTINGS";
339
340    /**
341     * Activity Action: Show settings to manage installed applications.
342     * <p>
343     * In some cases, a matching Activity may not exist, so ensure you
344     * safeguard against this.
345     * <p>
346     * Input: Nothing.
347     * <p>
348     * Output: Nothing.
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
352            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
353
354    /**
355     * Activity Action: Show settings for system update functionality.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     *
364     * @hide
365     */
366    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
367    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
368            "android.settings.SYSTEM_UPDATE_SETTINGS";
369
370    /**
371     * Activity Action: Show settings to allow configuration of sync settings.
372     * <p>
373     * In some cases, a matching Activity may not exist, so ensure you
374     * safeguard against this.
375     * <p>
376     * Input: Nothing.
377     * <p>
378     * Output: Nothing.
379     */
380    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
381    public static final String ACTION_SYNC_SETTINGS =
382            "android.settings.SYNC_SETTINGS";
383
384    /**
385     * Activity Action: Show settings for selecting the network operator.
386     * <p>
387     * In some cases, a matching Activity may not exist, so ensure you
388     * safeguard against this.
389     * <p>
390     * Input: Nothing.
391     * <p>
392     * Output: Nothing.
393     */
394    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
395    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
396            "android.settings.NETWORK_OPERATOR_SETTINGS";
397
398    /**
399     * Activity Action: Show settings for selection of 2G/3G.
400     * <p>
401     * In some cases, a matching Activity may not exist, so ensure you
402     * safeguard against this.
403     * <p>
404     * Input: Nothing.
405     * <p>
406     * Output: Nothing.
407     */
408    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
409    public static final String ACTION_DATA_ROAMING_SETTINGS =
410            "android.settings.DATA_ROAMING_SETTINGS";
411
412    /**
413     * Activity Action: Show settings for internal storage.
414     * <p>
415     * In some cases, a matching Activity may not exist, so ensure you
416     * safeguard against this.
417     * <p>
418     * Input: Nothing.
419     * <p>
420     * Output: Nothing.
421     */
422    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
423    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
424            "android.settings.INTERNAL_STORAGE_SETTINGS";
425    /**
426     * Activity Action: Show settings for memory card storage.
427     * <p>
428     * In some cases, a matching Activity may not exist, so ensure you
429     * safeguard against this.
430     * <p>
431     * Input: Nothing.
432     * <p>
433     * Output: Nothing.
434     */
435    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
436    public static final String ACTION_MEMORY_CARD_SETTINGS =
437            "android.settings.MEMORY_CARD_SETTINGS";
438
439    // End of Intent actions for Settings
440
441    private static final String JID_RESOURCE_PREFIX = "android";
442
443    public static final String AUTHORITY = "settings";
444
445    private static final String TAG = "Settings";
446    private static final boolean LOCAL_LOGV = Config.LOGV || false;
447
448    public static class SettingNotFoundException extends AndroidException {
449        public SettingNotFoundException(String msg) {
450            super(msg);
451        }
452    }
453
454    /**
455     * Common base for tables of name/value settings.
456     */
457    public static class NameValueTable implements BaseColumns {
458        public static final String NAME = "name";
459        public static final String VALUE = "value";
460
461        protected static boolean putString(ContentResolver resolver, Uri uri,
462                String name, String value) {
463            // The database will take care of replacing duplicates.
464            try {
465                ContentValues values = new ContentValues();
466                values.put(NAME, name);
467                values.put(VALUE, value);
468                resolver.insert(uri, values);
469                return true;
470            } catch (SQLException e) {
471                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
472                return false;
473            }
474        }
475
476        public static Uri getUriFor(Uri uri, String name) {
477            return Uri.withAppendedPath(uri, name);
478        }
479    }
480
481    private static class NameValueCache {
482        private final String mVersionSystemProperty;
483        private final Uri mUri;
484
485        // Must synchronize(mValues) to access mValues and mValuesVersion.
486        private final HashMap<String, String> mValues = new HashMap<String, String>();
487        private long mValuesVersion = 0;
488
489        public NameValueCache(String versionSystemProperty, Uri uri) {
490            mVersionSystemProperty = versionSystemProperty;
491            mUri = uri;
492        }
493
494        public String getString(ContentResolver cr, String name) {
495            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
496
497            synchronized (mValues) {
498                if (mValuesVersion != newValuesVersion) {
499                    if (LOCAL_LOGV) {
500                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
501                                newValuesVersion + " != cached " + mValuesVersion);
502                    }
503
504                    mValues.clear();
505                    mValuesVersion = newValuesVersion;
506                }
507
508                if (mValues.containsKey(name)) {
509                    return mValues.get(name);  // Could be null, that's OK -- negative caching
510                }
511            }
512
513            Cursor c = null;
514            try {
515                c = cr.query(mUri, new String[] { Settings.NameValueTable.VALUE },
516                        Settings.NameValueTable.NAME + "=?", new String[]{name}, null);
517                if (c == null) {
518                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
519                    return null;
520                }
521
522                String value = c.moveToNext() ? c.getString(0) : null;
523                synchronized (mValues) {
524                    mValues.put(name, value);
525                }
526                if (LOCAL_LOGV) {
527                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
528                            name + " = " + (value == null ? "(null)" : value));
529                }
530                return value;
531            } catch (SQLException e) {
532                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
533                return null;  // Return null, but don't cache it.
534            } finally {
535                if (c != null) c.close();
536            }
537        }
538    }
539
540    /**
541     * System settings, containing miscellaneous system preferences.  This
542     * table holds simple name/value pairs.  There are convenience
543     * functions for accessing individual settings entries.
544     */
545    public static final class System extends NameValueTable {
546        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
547
548        private static volatile NameValueCache mNameValueCache = null;
549
550        private static final HashSet<String> MOVED_TO_SECURE;
551        static {
552            MOVED_TO_SECURE = new HashSet<String>(30);
553            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
554            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
555            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
556            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
557            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
558            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
559            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
560            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
561            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
562            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
563            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
564            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
565            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
566            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
567            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
568            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
569            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
570            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
571            MOVED_TO_SECURE.add(Secure.WIFI_ON);
572            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
573            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
574            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
575            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
576            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
577            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
578            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
579            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
580            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
581            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
582            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
583        }
584
585        /**
586         * Look up a name in the database.
587         * @param resolver to access the database with
588         * @param name to look up in the table
589         * @return the corresponding value, or null if not present
590         */
591        public synchronized static String getString(ContentResolver resolver, String name) {
592            if (MOVED_TO_SECURE.contains(name)) {
593                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
594                        + " to android.provider.Settings.Secure, returning read-only value.");
595                return Secure.getString(resolver, name);
596            }
597            if (mNameValueCache == null) {
598                mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
599            }
600            return mNameValueCache.getString(resolver, name);
601        }
602
603        /**
604         * Store a name/value pair into the database.
605         * @param resolver to access the database with
606         * @param name to store
607         * @param value to associate with the name
608         * @return true if the value was set, false on database errors
609         */
610        public static boolean putString(ContentResolver resolver, String name, String value) {
611            if (MOVED_TO_SECURE.contains(name)) {
612                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
613                        + " to android.provider.Settings.Secure, value is unchanged.");
614                return false;
615            }
616            return putString(resolver, CONTENT_URI, name, value);
617        }
618
619        /**
620         * Construct the content URI for a particular name/value pair,
621         * useful for monitoring changes with a ContentObserver.
622         * @param name to look up in the table
623         * @return the corresponding content URI, or null if not present
624         */
625        public static Uri getUriFor(String name) {
626            if (MOVED_TO_SECURE.contains(name)) {
627                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
628                    + " to android.provider.Settings.Secure, returning Secure URI.");
629                return Secure.getUriFor(Secure.CONTENT_URI, name);
630            }
631            return getUriFor(CONTENT_URI, name);
632        }
633
634        /**
635         * Convenience function for retrieving a single system settings value
636         * as an integer.  Note that internally setting values are always
637         * stored as strings; this function converts the string to an integer
638         * for you.  The default value will be returned if the setting is
639         * not defined or not an integer.
640         *
641         * @param cr The ContentResolver to access.
642         * @param name The name of the setting to retrieve.
643         * @param def Value to return if the setting is not defined.
644         *
645         * @return The setting's current value, or 'def' if it is not defined
646         * or not a valid integer.
647         */
648        public static int getInt(ContentResolver cr, String name, int def) {
649            String v = getString(cr, name);
650            try {
651                return v != null ? Integer.parseInt(v) : def;
652            } catch (NumberFormatException e) {
653                return def;
654            }
655        }
656
657        /**
658         * Convenience function for retrieving a single system settings value
659         * as an integer.  Note that internally setting values are always
660         * stored as strings; this function converts the string to an integer
661         * for you.
662         * <p>
663         * This version does not take a default value.  If the setting has not
664         * been set, or the string value is not a number,
665         * it throws {@link SettingNotFoundException}.
666         *
667         * @param cr The ContentResolver to access.
668         * @param name The name of the setting to retrieve.
669         *
670         * @throws SettingNotFoundException Thrown if a setting by the given
671         * name can't be found or the setting value is not an integer.
672         *
673         * @return The setting's current value.
674         */
675        public static int getInt(ContentResolver cr, String name)
676                throws SettingNotFoundException {
677            String v = getString(cr, name);
678            try {
679                return Integer.parseInt(v);
680            } catch (NumberFormatException e) {
681                throw new SettingNotFoundException(name);
682            }
683        }
684
685        /**
686         * Convenience function for updating a single settings value as an
687         * integer. This will either create a new entry in the table if the
688         * given name does not exist, or modify the value of the existing row
689         * with that name.  Note that internally setting values are always
690         * stored as strings, so this function converts the given value to a
691         * string before storing it.
692         *
693         * @param cr The ContentResolver to access.
694         * @param name The name of the setting to modify.
695         * @param value The new value for the setting.
696         * @return true if the value was set, false on database errors
697         */
698        public static boolean putInt(ContentResolver cr, String name, int value) {
699            return putString(cr, name, Integer.toString(value));
700        }
701
702        /**
703         * Convenience function for retrieving a single system settings value
704         * as a {@code long}.  Note that internally setting values are always
705         * stored as strings; this function converts the string to a {@code long}
706         * for you.  The default value will be returned if the setting is
707         * not defined or not a {@code long}.
708         *
709         * @param cr The ContentResolver to access.
710         * @param name The name of the setting to retrieve.
711         * @param def Value to return if the setting is not defined.
712         *
713         * @return The setting's current value, or 'def' if it is not defined
714         * or not a valid {@code long}.
715         */
716        public static long getLong(ContentResolver cr, String name, long def) {
717            String valString = getString(cr, name);
718            long value;
719            try {
720                value = valString != null ? Long.parseLong(valString) : def;
721            } catch (NumberFormatException e) {
722                value = def;
723            }
724            return value;
725        }
726
727        /**
728         * Convenience function for retrieving a single system settings value
729         * as a {@code long}.  Note that internally setting values are always
730         * stored as strings; this function converts the string to a {@code long}
731         * for you.
732         * <p>
733         * This version does not take a default value.  If the setting has not
734         * been set, or the string value is not a number,
735         * it throws {@link SettingNotFoundException}.
736         *
737         * @param cr The ContentResolver to access.
738         * @param name The name of the setting to retrieve.
739         *
740         * @return The setting's current value.
741         * @throws SettingNotFoundException Thrown if a setting by the given
742         * name can't be found or the setting value is not an integer.
743         */
744        public static long getLong(ContentResolver cr, String name)
745                throws SettingNotFoundException {
746            String valString = getString(cr, name);
747            try {
748                return Long.parseLong(valString);
749            } catch (NumberFormatException e) {
750                throw new SettingNotFoundException(name);
751            }
752        }
753
754        /**
755         * Convenience function for updating a single settings value as a long
756         * integer. This will either create a new entry in the table if the
757         * given name does not exist, or modify the value of the existing row
758         * with that name.  Note that internally setting values are always
759         * stored as strings, so this function converts the given value to a
760         * string before storing it.
761         *
762         * @param cr The ContentResolver to access.
763         * @param name The name of the setting to modify.
764         * @param value The new value for the setting.
765         * @return true if the value was set, false on database errors
766         */
767        public static boolean putLong(ContentResolver cr, String name, long value) {
768            return putString(cr, name, Long.toString(value));
769        }
770
771        /**
772         * Convenience function for retrieving a single system settings value
773         * as a floating point number.  Note that internally setting values are
774         * always stored as strings; this function converts the string to an
775         * float for you. The default value will be returned if the setting
776         * is not defined or not a valid float.
777         *
778         * @param cr The ContentResolver to access.
779         * @param name The name of the setting to retrieve.
780         * @param def Value to return if the setting is not defined.
781         *
782         * @return The setting's current value, or 'def' if it is not defined
783         * or not a valid float.
784         */
785        public static float getFloat(ContentResolver cr, String name, float def) {
786            String v = getString(cr, name);
787            try {
788                return v != null ? Float.parseFloat(v) : def;
789            } catch (NumberFormatException e) {
790                return def;
791            }
792        }
793
794        /**
795         * Convenience function for retrieving a single system settings value
796         * as a float.  Note that internally setting values are always
797         * stored as strings; this function converts the string to a float
798         * for you.
799         * <p>
800         * This version does not take a default value.  If the setting has not
801         * been set, or the string value is not a number,
802         * it throws {@link SettingNotFoundException}.
803         *
804         * @param cr The ContentResolver to access.
805         * @param name The name of the setting to retrieve.
806         *
807         * @throws SettingNotFoundException Thrown if a setting by the given
808         * name can't be found or the setting value is not a float.
809         *
810         * @return The setting's current value.
811         */
812        public static float getFloat(ContentResolver cr, String name)
813                throws SettingNotFoundException {
814            String v = getString(cr, name);
815            try {
816                return Float.parseFloat(v);
817            } catch (NumberFormatException e) {
818                throw new SettingNotFoundException(name);
819            }
820        }
821
822        /**
823         * Convenience function for updating a single settings value as a
824         * floating point number. This will either create a new entry in the
825         * table if the given name does not exist, or modify the value of the
826         * existing row with that name.  Note that internally setting values
827         * are always stored as strings, so this function converts the given
828         * value to a string before storing it.
829         *
830         * @param cr The ContentResolver to access.
831         * @param name The name of the setting to modify.
832         * @param value The new value for the setting.
833         * @return true if the value was set, false on database errors
834         */
835        public static boolean putFloat(ContentResolver cr, String name, float value) {
836            return putString(cr, name, Float.toString(value));
837        }
838
839        /**
840         * Convenience function to read all of the current
841         * configuration-related settings into a
842         * {@link Configuration} object.
843         *
844         * @param cr The ContentResolver to access.
845         * @param outConfig Where to place the configuration settings.
846         */
847        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
848            outConfig.fontScale = Settings.System.getFloat(
849                cr, FONT_SCALE, outConfig.fontScale);
850            if (outConfig.fontScale < 0) {
851                outConfig.fontScale = 1;
852            }
853        }
854
855        /**
856         * Convenience function to write a batch of configuration-related
857         * settings from a {@link Configuration} object.
858         *
859         * @param cr The ContentResolver to access.
860         * @param config The settings to write.
861         * @return true if the values were set, false on database errors
862         */
863        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
864            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
865        }
866
867        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
868            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
869        }
870
871        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
872            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
873        }
874
875        /**
876         * The content:// style URL for this table
877         */
878        public static final Uri CONTENT_URI =
879            Uri.parse("content://" + AUTHORITY + "/system");
880
881        /**
882         * Whether we keep the device on while the device is plugged in.
883         * Supported values are:
884         * <ul>
885         * <li>{@code 0} to never stay on while plugged in</li>
886         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
887         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
888         * </ul>
889         * These values can be OR-ed together.
890         */
891        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
892
893        /**
894         * What happens when the user presses the end call button if they're not
895         * on a call.<br/>
896         * <b>Values:</b><br/>
897         * 0 - The end button does nothing.<br/>
898         * 1 - The end button goes to the home screen.<br/>
899         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
900         * 3 - The end button goes to the home screen.  If the user is already on the
901         * home screen, it puts the device to sleep.
902         */
903        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
904
905        /**
906         * Whether Airplane Mode is on.
907         */
908        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
909
910        /**
911         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
912         */
913        public static final String RADIO_BLUETOOTH = "bluetooth";
914
915        /**
916         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
917         */
918        public static final String RADIO_WIFI = "wifi";
919
920        /**
921         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
922         */
923        public static final String RADIO_CELL = "cell";
924
925        /**
926         * A comma separated list of radios that need to be disabled when airplane mode
927         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
928         * included in the comma separated list.
929         */
930        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
931
932        /**
933         * A comma separated list of radios that should to be disabled when airplane mode
934         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
935         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
936         * will be turned off when entering airplane mode, but the user will be able to reenable
937         * Wifi in the Settings app.
938         *
939         * {@hide}
940         */
941        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
942
943        /**
944         * The policy for deciding when Wi-Fi should go to sleep (which will in
945         * turn switch to using the mobile data as an Internet connection).
946         * <p>
947         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
948         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
949         * {@link #WIFI_SLEEP_POLICY_NEVER}.
950         */
951        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
952
953        /**
954         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
955         * policy, which is to sleep shortly after the turning off
956         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
957         */
958        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
959
960        /**
961         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
962         * the device is on battery, and never go to sleep when the device is
963         * plugged in.
964         */
965        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
966
967        /**
968         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
969         */
970        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
971
972        /**
973         * Whether to use static IP and other static network attributes.
974         * <p>
975         * Set to 1 for true and 0 for false.
976         */
977        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
978
979        /**
980         * The static IP address.
981         * <p>
982         * Example: "192.168.1.51"
983         */
984        public static final String WIFI_STATIC_IP = "wifi_static_ip";
985
986        /**
987         * If using static IP, the gateway's IP address.
988         * <p>
989         * Example: "192.168.1.1"
990         */
991        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
992
993        /**
994         * If using static IP, the net mask.
995         * <p>
996         * Example: "255.255.255.0"
997         */
998        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
999
1000        /**
1001         * If using static IP, the primary DNS's IP address.
1002         * <p>
1003         * Example: "192.168.1.1"
1004         */
1005        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1006
1007        /**
1008         * If using static IP, the secondary DNS's IP address.
1009         * <p>
1010         * Example: "192.168.1.2"
1011         */
1012        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1013
1014        /**
1015         * The number of radio channels that are allowed in the local
1016         * 802.11 regulatory domain.
1017         * @hide
1018         */
1019        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
1020
1021        /**
1022         * Determines whether remote devices may discover and/or connect to
1023         * this device.
1024         * <P>Type: INT</P>
1025         * 2 -- discoverable and connectable
1026         * 1 -- connectable but not discoverable
1027         * 0 -- neither connectable nor discoverable
1028         */
1029        public static final String BLUETOOTH_DISCOVERABILITY =
1030            "bluetooth_discoverability";
1031
1032        /**
1033         * Bluetooth discoverability timeout.  If this value is nonzero, then
1034         * Bluetooth becomes discoverable for a certain number of seconds,
1035         * after which is becomes simply connectable.  The value is in seconds.
1036         */
1037        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1038            "bluetooth_discoverability_timeout";
1039
1040        /**
1041         * Whether autolock is enabled (0 = false, 1 = true)
1042         */
1043        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
1044
1045        /**
1046         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
1047         */
1048        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1049
1050        /**
1051         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
1052         */
1053        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1054            "lock_pattern_tactile_feedback_enabled";
1055
1056
1057        /**
1058         * A formatted string of the next alarm that is set, or the empty string
1059         * if there is no alarm set.
1060         */
1061        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1062
1063        /**
1064         * Scaling factor for fonts, float.
1065         */
1066        public static final String FONT_SCALE = "font_scale";
1067
1068        /**
1069         * Name of an application package to be debugged.
1070         */
1071        public static final String DEBUG_APP = "debug_app";
1072
1073        /**
1074         * If 1, when launching DEBUG_APP it will wait for the debugger before
1075         * starting user code.  If 0, it will run normally.
1076         */
1077        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1078
1079        /**
1080         * Whether or not to dim the screen. 0=no  1=yes
1081         */
1082        public static final String DIM_SCREEN = "dim_screen";
1083
1084        /**
1085         * The timeout before the screen turns off.
1086         */
1087        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1088
1089        /**
1090         * If 0, the compatibility mode is off for all applications.
1091         * If 1, older applications run under compatibility mode.
1092         * TODO: remove this settings before code freeze (bug/1907571)
1093         * @hide
1094         */
1095        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1096
1097        /**
1098         * The screen backlight brightness between 0 and 255.
1099         */
1100        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1101
1102        /**
1103         * Control whether to enable automatic brightness mode.
1104         * @hide
1105         */
1106        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1107
1108        /**
1109         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1110         * @hide
1111         */
1112        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1113
1114        /**
1115         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1116         * @hide
1117         */
1118        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1119
1120        /**
1121         * Control whether the process CPU usage meter should be shown.
1122         */
1123        public static final String SHOW_PROCESSES = "show_processes";
1124
1125        /**
1126         * If 1, the activity manager will aggressively finish activities and
1127         * processes as soon as they are no longer needed.  If 0, the normal
1128         * extended lifetime is used.
1129         */
1130        public static final String ALWAYS_FINISH_ACTIVITIES =
1131                "always_finish_activities";
1132
1133
1134        /**
1135         * Ringer mode. This is used internally, changing this value will not
1136         * change the ringer mode. See AudioManager.
1137         */
1138        public static final String MODE_RINGER = "mode_ringer";
1139
1140        /**
1141         * Determines which streams are affected by ringer mode changes. The
1142         * stream type's bit should be set to 1 if it should be muted when going
1143         * into an inaudible ringer mode.
1144         */
1145        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1146
1147         /**
1148          * Determines which streams are affected by mute. The
1149          * stream type's bit should be set to 1 if it should be muted when a mute request
1150          * is received.
1151          */
1152         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1153
1154        /**
1155         * Whether vibrate is on for different events. This is used internally,
1156         * changing this value will not change the vibrate. See AudioManager.
1157         */
1158        public static final String VIBRATE_ON = "vibrate_on";
1159
1160        /**
1161         * Ringer volume. This is used internally, changing this value will not
1162         * change the volume. See AudioManager.
1163         */
1164        public static final String VOLUME_RING = "volume_ring";
1165
1166        /**
1167         * System/notifications volume. This is used internally, changing this
1168         * value will not change the volume. See AudioManager.
1169         */
1170        public static final String VOLUME_SYSTEM = "volume_system";
1171
1172        /**
1173         * Voice call volume. This is used internally, changing this value will
1174         * not change the volume. See AudioManager.
1175         */
1176        public static final String VOLUME_VOICE = "volume_voice";
1177
1178        /**
1179         * Music/media/gaming volume. This is used internally, changing this
1180         * value will not change the volume. See AudioManager.
1181         */
1182        public static final String VOLUME_MUSIC = "volume_music";
1183
1184        /**
1185         * Alarm volume. This is used internally, changing this
1186         * value will not change the volume. See AudioManager.
1187         */
1188        public static final String VOLUME_ALARM = "volume_alarm";
1189
1190        /**
1191         * Notification volume. This is used internally, changing this
1192         * value will not change the volume. See AudioManager.
1193         */
1194        public static final String VOLUME_NOTIFICATION = "volume_notification";
1195
1196        /**
1197         * Whether the notifications should use the ring volume (value of 1) or
1198         * a separate notification volume (value of 0). In most cases, users
1199         * will have this enabled so the notification and ringer volumes will be
1200         * the same. However, power users can disable this and use the separate
1201         * notification volume control.
1202         * <p>
1203         * Note: This is a one-off setting that will be removed in the future
1204         * when there is profile support. For this reason, it is kept hidden
1205         * from the public APIs.
1206         *
1207         * @hide
1208         */
1209        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1210            "notifications_use_ring_volume";
1211
1212        /**
1213         * The mapping of stream type (integer) to its setting.
1214         */
1215        public static final String[] VOLUME_SETTINGS = {
1216            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1217            VOLUME_ALARM, VOLUME_NOTIFICATION
1218        };
1219
1220        /**
1221         * Appended to various volume related settings to record the previous
1222         * values before they the settings were affected by a silent/vibrate
1223         * ringer mode change.
1224         */
1225        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1226
1227        /**
1228         * Persistent store for the system-wide default ringtone URI.
1229         * <p>
1230         * If you need to play the default ringtone at any given time, it is recommended
1231         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1232         * to the set default ringtone at the time of playing.
1233         *
1234         * @see #DEFAULT_RINGTONE_URI
1235         */
1236        public static final String RINGTONE = "ringtone";
1237
1238        /**
1239         * A {@link Uri} that will point to the current default ringtone at any
1240         * given time.
1241         * <p>
1242         * If the current default ringtone is in the DRM provider and the caller
1243         * does not have permission, the exception will be a
1244         * FileNotFoundException.
1245         */
1246        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1247
1248        /**
1249         * Persistent store for the system-wide default notification sound.
1250         *
1251         * @see #RINGTONE
1252         * @see #DEFAULT_NOTIFICATION_URI
1253         */
1254        public static final String NOTIFICATION_SOUND = "notification_sound";
1255
1256        /**
1257         * A {@link Uri} that will point to the current default notification
1258         * sound at any given time.
1259         *
1260         * @see #DEFAULT_RINGTONE_URI
1261         */
1262        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1263
1264        /**
1265         * Persistent store for the system-wide default alarm alert.
1266         *
1267         * @see #RINGTONE
1268         * @see #DEFAULT_ALARM_ALERT_URI
1269         */
1270        public static final String ALARM_ALERT = "alarm_alert";
1271
1272        /**
1273         * A {@link Uri} that will point to the current default alarm alert at
1274         * any given time.
1275         *
1276         * @see #DEFAULT_ALARM_ALERT_URI
1277         */
1278        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1279
1280        /**
1281         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1282         */
1283        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1284
1285        /**
1286         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1287         */
1288        public static final String TEXT_AUTO_CAPS = "auto_caps";
1289
1290        /**
1291         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1292         * feature converts two spaces to a "." and space.
1293         */
1294        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1295
1296        /**
1297         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1298         */
1299        public static final String TEXT_SHOW_PASSWORD = "show_password";
1300
1301        public static final String SHOW_GTALK_SERVICE_STATUS =
1302                "SHOW_GTALK_SERVICE_STATUS";
1303
1304        /**
1305         * Name of activity to use for wallpaper on the home screen.
1306         */
1307        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1308
1309        /**
1310         * Value to specify if the user prefers the date, time and time zone
1311         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1312         */
1313        public static final String AUTO_TIME = "auto_time";
1314
1315        /**
1316         * Display times as 12 or 24 hours
1317         *   12
1318         *   24
1319         */
1320        public static final String TIME_12_24 = "time_12_24";
1321
1322        /**
1323         * Date format string
1324         *   mm/dd/yyyy
1325         *   dd/mm/yyyy
1326         *   yyyy/mm/dd
1327         */
1328        public static final String DATE_FORMAT = "date_format";
1329
1330        /**
1331         * Whether the setup wizard has been run before (on first boot), or if
1332         * it still needs to be run.
1333         *
1334         * nonzero = it has been run in the past
1335         * 0 = it has not been run in the past
1336         */
1337        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1338
1339        /**
1340         * Scaling factor for normal window animations. Setting to 0 will disable window
1341         * animations.
1342         */
1343        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1344
1345        /**
1346         * Scaling factor for activity transition animations. Setting to 0 will disable window
1347         * animations.
1348         */
1349        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1350
1351        /**
1352         * Scaling factor for normal window animations. Setting to 0 will disable window
1353         * animations.
1354         * @hide
1355         */
1356        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1357
1358        /**
1359         * Control whether the accelerometer will be used to change screen
1360         * orientation.  If 0, it will not be used unless explicitly requested
1361         * by the application; if 1, it will be used by default unless explicitly
1362         * disabled by the application.
1363         */
1364        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1365
1366        /**
1367         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1368         * boolean (1 or 0).
1369         */
1370        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1371
1372        /**
1373         * CDMA only settings
1374         * DTMF tone type played by the dialer when dialing.
1375         *                 0 = Normal
1376         *                 1 = Long
1377         * @hide
1378         */
1379        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1380
1381        /**
1382         * CDMA only settings
1383         * Emergency Tone  0 = Off
1384         *                 1 = Alert
1385         *                 2 = Vibrate
1386         * @hide
1387         */
1388        public static final String EMERGENCY_TONE = "emergency_tone";
1389
1390        /**
1391         * CDMA only settings
1392         * Whether the auto retry is enabled. The value is
1393         * boolean (1 or 0).
1394         * @hide
1395         */
1396        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1397
1398        /**
1399         * Whether the hearing aid is enabled. The value is
1400         * boolean (1 or 0).
1401         * @hide
1402         */
1403        public static final String HEARING_AID = "hearing_aid";
1404
1405        /**
1406         * CDMA only settings
1407         * TTY Mode
1408         * 0 = OFF
1409         * 1 = FULL
1410         * 2 = VCO
1411         * 3 = HCO
1412         * @hide
1413         */
1414        public static final String TTY_MODE = "tty_mode";
1415
1416        /**
1417         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1418         * boolean (1 or 0).
1419         */
1420        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1421
1422        /**
1423         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1424         * boolean (1 or 0).
1425         */
1426        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1427
1428        /**
1429         * Whether live web suggestions while the user types into search dialogs are
1430         * enabled. Browsers and other search UIs should respect this, as it allows
1431         * a user to avoid sending partial queries to a search engine, if it poses
1432         * any privacy concern. The value is boolean (1 or 0).
1433         */
1434        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1435
1436        /**
1437         * Whether the notification LED should repeatedly flash when a notification is
1438         * pending. The value is boolean (1 or 0).
1439         * @hide
1440         */
1441        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1442
1443        /**
1444         * Settings to backup. This is here so that it's in the same place as the settings
1445         * keys and easy to update.
1446         * @hide
1447         */
1448        public static final String[] SETTINGS_TO_BACKUP = {
1449            STAY_ON_WHILE_PLUGGED_IN,
1450            WIFI_SLEEP_POLICY,
1451            WIFI_USE_STATIC_IP,
1452            WIFI_STATIC_IP,
1453            WIFI_STATIC_GATEWAY,
1454            WIFI_STATIC_NETMASK,
1455            WIFI_STATIC_DNS1,
1456            WIFI_STATIC_DNS2,
1457            BLUETOOTH_DISCOVERABILITY,
1458            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1459            DIM_SCREEN,
1460            SCREEN_OFF_TIMEOUT,
1461            SCREEN_BRIGHTNESS,
1462            SCREEN_BRIGHTNESS_MODE,
1463            VIBRATE_ON,
1464            NOTIFICATIONS_USE_RING_VOLUME,
1465            MODE_RINGER,
1466            MODE_RINGER_STREAMS_AFFECTED,
1467            MUTE_STREAMS_AFFECTED,
1468            VOLUME_VOICE,
1469            VOLUME_SYSTEM,
1470            VOLUME_RING,
1471            VOLUME_MUSIC,
1472            VOLUME_ALARM,
1473            VOLUME_NOTIFICATION,
1474            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1475            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1476            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1477            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1478            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1479            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1480            TEXT_AUTO_REPLACE,
1481            TEXT_AUTO_CAPS,
1482            TEXT_AUTO_PUNCTUATE,
1483            TEXT_SHOW_PASSWORD,
1484            AUTO_TIME,
1485            TIME_12_24,
1486            DATE_FORMAT,
1487            ACCELEROMETER_ROTATION,
1488            DTMF_TONE_WHEN_DIALING,
1489            DTMF_TONE_TYPE_WHEN_DIALING,
1490            EMERGENCY_TONE,
1491            CALL_AUTO_RETRY,
1492            HEARING_AID,
1493            TTY_MODE,
1494            SOUND_EFFECTS_ENABLED,
1495            HAPTIC_FEEDBACK_ENABLED,
1496            SHOW_WEB_SUGGESTIONS,
1497            NOTIFICATION_LIGHT_PULSE
1498        };
1499
1500        // Settings moved to Settings.Secure
1501
1502        /**
1503         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1504         * instead
1505         */
1506        @Deprecated
1507        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1508
1509        /**
1510         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1511         */
1512        @Deprecated
1513        public static final String ANDROID_ID = Secure.ANDROID_ID;
1514
1515        /**
1516         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1517         */
1518        @Deprecated
1519        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1520
1521        /**
1522         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1523         */
1524        @Deprecated
1525        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1526
1527        /**
1528         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1529         */
1530        @Deprecated
1531        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1532
1533        /**
1534         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1535         */
1536        @Deprecated
1537        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1538
1539        /**
1540         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1541         */
1542        @Deprecated
1543        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1544
1545        /**
1546         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1547         * instead
1548         */
1549        @Deprecated
1550        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1551
1552        /**
1553         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1554         */
1555        @Deprecated
1556        public static final String LOGGING_ID = Secure.LOGGING_ID;
1557
1558        /**
1559         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1560         */
1561        @Deprecated
1562        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1563
1564        /**
1565         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1566         * instead
1567         */
1568        @Deprecated
1569        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1570
1571        /**
1572         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1573         * instead
1574         */
1575        @Deprecated
1576        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1577
1578        /**
1579         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1580         * instead
1581         */
1582        @Deprecated
1583        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1584            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1585
1586        /**
1587         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1588         */
1589        @Deprecated
1590        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1591
1592        /**
1593         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1594         */
1595        @Deprecated
1596        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1597
1598        /**
1599         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1600         */
1601        @Deprecated
1602        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1603
1604       /**
1605         * @deprecated Use
1606         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
1607         */
1608        @Deprecated
1609        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1610
1611        /**
1612         * @deprecated Use
1613         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
1614         */
1615        @Deprecated
1616        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1617                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1618
1619        /**
1620         * @deprecated Use
1621         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1622         */
1623        @Deprecated
1624        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1625            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1626
1627        /**
1628         * @deprecated Use
1629         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1630         */
1631        @Deprecated
1632        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1633            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1634
1635        /**
1636         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1637         * instead
1638         */
1639        @Deprecated
1640        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1641
1642        /**
1643         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1644         */
1645        @Deprecated
1646        public static final String WIFI_ON = Secure.WIFI_ON;
1647
1648        /**
1649         * @deprecated Use
1650         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1651         * instead
1652         */
1653        @Deprecated
1654        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1655                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1656
1657        /**
1658         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1659         */
1660        @Deprecated
1661        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1662
1663        /**
1664         * @deprecated Use
1665         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1666         */
1667        @Deprecated
1668        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1669                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1670
1671        /**
1672         * @deprecated Use
1673         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1674         */
1675        @Deprecated
1676        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1677                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1678
1679        /**
1680         * @deprecated Use
1681         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1682         * instead
1683         */
1684        @Deprecated
1685        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1686                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1687
1688        /**
1689         * @deprecated Use
1690         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1691         */
1692        @Deprecated
1693        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1694            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1695
1696        /**
1697         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1698         * instead
1699         */
1700        @Deprecated
1701        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
1702
1703        /**
1704         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
1705         */
1706        @Deprecated
1707        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
1708
1709        /**
1710         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
1711         */
1712        @Deprecated
1713        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
1714
1715        /**
1716         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
1717         * instead
1718         */
1719        @Deprecated
1720        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
1721
1722        /**
1723         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
1724         * instead
1725         */
1726        @Deprecated
1727        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
1728            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
1729    }
1730
1731    /**
1732     * Secure system settings, containing system preferences that applications
1733     * can read but are not allowed to write.  These are for preferences that
1734     * the user must explicitly modify through the system UI or specialized
1735     * APIs for those values, not modified directly by applications.
1736     */
1737    public static final class Secure extends NameValueTable {
1738        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
1739
1740        private static volatile NameValueCache mNameValueCache = null;
1741
1742        /**
1743         * Look up a name in the database.
1744         * @param resolver to access the database with
1745         * @param name to look up in the table
1746         * @return the corresponding value, or null if not present
1747         */
1748        public synchronized static String getString(ContentResolver resolver, String name) {
1749            if (mNameValueCache == null) {
1750                mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
1751            }
1752            return mNameValueCache.getString(resolver, name);
1753        }
1754
1755        /**
1756         * Store a name/value pair into the database.
1757         * @param resolver to access the database with
1758         * @param name to store
1759         * @param value to associate with the name
1760         * @return true if the value was set, false on database errors
1761         */
1762        public static boolean putString(ContentResolver resolver,
1763                String name, String value) {
1764            return putString(resolver, CONTENT_URI, name, value);
1765        }
1766
1767        /**
1768         * Construct the content URI for a particular name/value pair,
1769         * useful for monitoring changes with a ContentObserver.
1770         * @param name to look up in the table
1771         * @return the corresponding content URI, or null if not present
1772         */
1773        public static Uri getUriFor(String name) {
1774            return getUriFor(CONTENT_URI, name);
1775        }
1776
1777        /**
1778         * Convenience function for retrieving a single secure settings value
1779         * as an integer.  Note that internally setting values are always
1780         * stored as strings; this function converts the string to an integer
1781         * for you.  The default value will be returned if the setting is
1782         * not defined or not an integer.
1783         *
1784         * @param cr The ContentResolver to access.
1785         * @param name The name of the setting to retrieve.
1786         * @param def Value to return if the setting is not defined.
1787         *
1788         * @return The setting's current value, or 'def' if it is not defined
1789         * or not a valid integer.
1790         */
1791        public static int getInt(ContentResolver cr, String name, int def) {
1792            String v = getString(cr, name);
1793            try {
1794                return v != null ? Integer.parseInt(v) : def;
1795            } catch (NumberFormatException e) {
1796                return def;
1797            }
1798        }
1799
1800        /**
1801         * Convenience function for retrieving a single secure settings value
1802         * as an integer.  Note that internally setting values are always
1803         * stored as strings; this function converts the string to an integer
1804         * for you.
1805         * <p>
1806         * This version does not take a default value.  If the setting has not
1807         * been set, or the string value is not a number,
1808         * it throws {@link SettingNotFoundException}.
1809         *
1810         * @param cr The ContentResolver to access.
1811         * @param name The name of the setting to retrieve.
1812         *
1813         * @throws SettingNotFoundException Thrown if a setting by the given
1814         * name can't be found or the setting value is not an integer.
1815         *
1816         * @return The setting's current value.
1817         */
1818        public static int getInt(ContentResolver cr, String name)
1819                throws SettingNotFoundException {
1820            String v = getString(cr, name);
1821            try {
1822                return Integer.parseInt(v);
1823            } catch (NumberFormatException e) {
1824                throw new SettingNotFoundException(name);
1825            }
1826        }
1827
1828        /**
1829         * Convenience function for updating a single settings value as an
1830         * integer. This will either create a new entry in the table if the
1831         * given name does not exist, or modify the value of the existing row
1832         * with that name.  Note that internally setting values are always
1833         * stored as strings, so this function converts the given value to a
1834         * string before storing it.
1835         *
1836         * @param cr The ContentResolver to access.
1837         * @param name The name of the setting to modify.
1838         * @param value The new value for the setting.
1839         * @return true if the value was set, false on database errors
1840         */
1841        public static boolean putInt(ContentResolver cr, String name, int value) {
1842            return putString(cr, name, Integer.toString(value));
1843        }
1844
1845        /**
1846         * Convenience function for retrieving a single secure settings value
1847         * as a {@code long}.  Note that internally setting values are always
1848         * stored as strings; this function converts the string to a {@code long}
1849         * for you.  The default value will be returned if the setting is
1850         * not defined or not a {@code long}.
1851         *
1852         * @param cr The ContentResolver to access.
1853         * @param name The name of the setting to retrieve.
1854         * @param def Value to return if the setting is not defined.
1855         *
1856         * @return The setting's current value, or 'def' if it is not defined
1857         * or not a valid {@code long}.
1858         */
1859        public static long getLong(ContentResolver cr, String name, long def) {
1860            String valString = getString(cr, name);
1861            long value;
1862            try {
1863                value = valString != null ? Long.parseLong(valString) : def;
1864            } catch (NumberFormatException e) {
1865                value = def;
1866            }
1867            return value;
1868        }
1869
1870        /**
1871         * Convenience function for retrieving a single secure settings value
1872         * as a {@code long}.  Note that internally setting values are always
1873         * stored as strings; this function converts the string to a {@code long}
1874         * for you.
1875         * <p>
1876         * This version does not take a default value.  If the setting has not
1877         * been set, or the string value is not a number,
1878         * it throws {@link SettingNotFoundException}.
1879         *
1880         * @param cr The ContentResolver to access.
1881         * @param name The name of the setting to retrieve.
1882         *
1883         * @return The setting's current value.
1884         * @throws SettingNotFoundException Thrown if a setting by the given
1885         * name can't be found or the setting value is not an integer.
1886         */
1887        public static long getLong(ContentResolver cr, String name)
1888                throws SettingNotFoundException {
1889            String valString = getString(cr, name);
1890            try {
1891                return Long.parseLong(valString);
1892            } catch (NumberFormatException e) {
1893                throw new SettingNotFoundException(name);
1894            }
1895        }
1896
1897        /**
1898         * Convenience function for updating a secure settings value as a long
1899         * integer. This will either create a new entry in the table if the
1900         * given name does not exist, or modify the value of the existing row
1901         * with that name.  Note that internally setting values are always
1902         * stored as strings, so this function converts the given value to a
1903         * string before storing it.
1904         *
1905         * @param cr The ContentResolver to access.
1906         * @param name The name of the setting to modify.
1907         * @param value The new value for the setting.
1908         * @return true if the value was set, false on database errors
1909         */
1910        public static boolean putLong(ContentResolver cr, String name, long value) {
1911            return putString(cr, name, Long.toString(value));
1912        }
1913
1914        /**
1915         * Convenience function for retrieving a single secure settings value
1916         * as a floating point number.  Note that internally setting values are
1917         * always stored as strings; this function converts the string to an
1918         * float for you. The default value will be returned if the setting
1919         * is not defined or not a valid float.
1920         *
1921         * @param cr The ContentResolver to access.
1922         * @param name The name of the setting to retrieve.
1923         * @param def Value to return if the setting is not defined.
1924         *
1925         * @return The setting's current value, or 'def' if it is not defined
1926         * or not a valid float.
1927         */
1928        public static float getFloat(ContentResolver cr, String name, float def) {
1929            String v = getString(cr, name);
1930            try {
1931                return v != null ? Float.parseFloat(v) : def;
1932            } catch (NumberFormatException e) {
1933                return def;
1934            }
1935        }
1936
1937        /**
1938         * Convenience function for retrieving a single secure settings value
1939         * as a float.  Note that internally setting values are always
1940         * stored as strings; this function converts the string to a float
1941         * for you.
1942         * <p>
1943         * This version does not take a default value.  If the setting has not
1944         * been set, or the string value is not a number,
1945         * it throws {@link SettingNotFoundException}.
1946         *
1947         * @param cr The ContentResolver to access.
1948         * @param name The name of the setting to retrieve.
1949         *
1950         * @throws SettingNotFoundException Thrown if a setting by the given
1951         * name can't be found or the setting value is not a float.
1952         *
1953         * @return The setting's current value.
1954         */
1955        public static float getFloat(ContentResolver cr, String name)
1956                throws SettingNotFoundException {
1957            String v = getString(cr, name);
1958            try {
1959                return Float.parseFloat(v);
1960            } catch (NumberFormatException e) {
1961                throw new SettingNotFoundException(name);
1962            }
1963        }
1964
1965        /**
1966         * Convenience function for updating a single settings value as a
1967         * floating point number. This will either create a new entry in the
1968         * table if the given name does not exist, or modify the value of the
1969         * existing row with that name.  Note that internally setting values
1970         * are always stored as strings, so this function converts the given
1971         * value to a string before storing it.
1972         *
1973         * @param cr The ContentResolver to access.
1974         * @param name The name of the setting to modify.
1975         * @param value The new value for the setting.
1976         * @return true if the value was set, false on database errors
1977         */
1978        public static boolean putFloat(ContentResolver cr, String name, float value) {
1979            return putString(cr, name, Float.toString(value));
1980        }
1981
1982        /**
1983         * The content:// style URL for this table
1984         */
1985        public static final Uri CONTENT_URI =
1986            Uri.parse("content://" + AUTHORITY + "/secure");
1987
1988        /**
1989         * Whether ADB is enabled.
1990         */
1991        public static final String ADB_ENABLED = "adb_enabled";
1992
1993        /**
1994         * Setting to allow mock locations and location provider status to be injected into the
1995         * LocationManager service for testing purposes during application development.  These
1996         * locations and status values  override actual location and status information generated
1997         * by network, gps, or other location providers.
1998         */
1999        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2000
2001        /**
2002         * The Android ID (a unique 64-bit value) as a hex string.
2003         * Identical to that obtained by calling
2004         * GoogleLoginService.getAndroidId(); it is also placed here
2005         * so you can get it without binding to a service.
2006         */
2007        public static final String ANDROID_ID = "android_id";
2008
2009        /**
2010         * Whether bluetooth is enabled/disabled
2011         * 0=disabled. 1=enabled.
2012         */
2013        public static final String BLUETOOTH_ON = "bluetooth_on";
2014
2015        /**
2016         * Get the key that retrieves a bluetooth headset's priority.
2017         * @hide
2018         */
2019        public static final String getBluetoothHeadsetPriorityKey(String address) {
2020            return ("bluetooth_headset_priority_" + address.toUpperCase());
2021        }
2022
2023        /**
2024         * Get the key that retrieves a bluetooth a2dp sink's priority.
2025         * @hide
2026         */
2027        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2028            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2029        }
2030
2031        /**
2032         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2033         */
2034        public static final String DATA_ROAMING = "data_roaming";
2035
2036        /**
2037         * Setting to record the input method used by default, holding the ID
2038         * of the desired method.
2039         */
2040        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2041
2042        /**
2043         * Whether the device has been provisioned (0 = false, 1 = true)
2044         */
2045        public static final String DEVICE_PROVISIONED = "device_provisioned";
2046
2047        /**
2048         * List of input methods that are currently enabled.  This is a string
2049         * containing the IDs of all enabled input methods, each ID separated
2050         * by ':'.
2051         */
2052        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2053
2054        /**
2055         * Host name and port for a user-selected proxy.
2056         */
2057        public static final String HTTP_PROXY = "http_proxy";
2058
2059        /**
2060         * Whether the package installer should allow installation of apps downloaded from
2061         * sources other than the Android Market (vending machine).
2062         *
2063         * 1 = allow installing from other sources
2064         * 0 = only allow installing from the Android Market
2065         */
2066        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2067
2068        /**
2069         * Comma-separated list of location providers that activities may access.
2070         */
2071        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2072
2073        /**
2074         * Whether assisted GPS should be enabled or not.
2075         * @hide
2076         */
2077        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2078
2079        /**
2080         * The Logging ID (a unique 64-bit value) as a hex string.
2081         * Used as a pseudonymous identifier for logging.
2082         * @deprecated This identifier is poorly initialized and has
2083         * many collisions.  It should not be used.
2084         */
2085        @Deprecated
2086        public static final String LOGGING_ID = "logging_id";
2087
2088        /**
2089         * The Logging ID (a unique 64-bit value) as a hex string.
2090         * Used as a pseudonymous identifier for logging.
2091         * @hide
2092         */
2093        public static final String LOGGING_ID2 = "logging_id2";
2094
2095        /**
2096         * User preference for which network(s) should be used. Only the
2097         * connectivity service should touch this.
2098         */
2099        public static final String NETWORK_PREFERENCE = "network_preference";
2100
2101        /**
2102         */
2103        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2104
2105        /**
2106         */
2107        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2108
2109        /**
2110         */
2111        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2112
2113        /**
2114         * Settings classname to launch when Settings is clicked from All
2115         * Applications.  Needed because of user testing between the old
2116         * and new Settings apps.
2117         */
2118        // TODO: 881807
2119        public static final String SETTINGS_CLASSNAME = "settings_classname";
2120
2121        /**
2122         * USB Mass Storage Enabled
2123         */
2124        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2125
2126        /**
2127         * If this setting is set (to anything), then all references
2128         * to Gmail on the device must change to Google Mail.
2129         */
2130        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2131
2132        /**
2133         * If accessibility is enabled.
2134         */
2135        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2136
2137        /**
2138         * List of the enabled accessibility providers.
2139         */
2140        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2141            "enabled_accessibility_services";
2142
2143        /**
2144         * Setting to always use the default text-to-speech settings regardless
2145         * of the application settings.
2146         * 1 = override application settings,
2147         * 0 = use application settings (if specified).
2148         */
2149        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2150
2151        /**
2152         * Default text-to-speech engine speech rate. 100 = 1x
2153         */
2154        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2155
2156        /**
2157         * Default text-to-speech engine pitch. 100 = 1x
2158         */
2159        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2160
2161        /**
2162         * Default text-to-speech engine.
2163         */
2164        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2165
2166        /**
2167         * Default text-to-speech language.
2168         */
2169        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2170
2171        /**
2172         * Default text-to-speech country.
2173         */
2174        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2175
2176        /**
2177         * Default text-to-speech locale variant.
2178         */
2179        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2180
2181        /**
2182         * Whether to notify the user of open networks.
2183         * <p>
2184         * If not connected and the scan results have an open network, we will
2185         * put this notification up. If we attempt to connect to a network or
2186         * the open network(s) disappear, we remove the notification. When we
2187         * show the notification, we will not show it again for
2188         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2189         */
2190        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2191                "wifi_networks_available_notification_on";
2192
2193        /**
2194         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2195         * Connecting to a network will reset the timer.
2196         */
2197        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2198                "wifi_networks_available_repeat_delay";
2199
2200        /**
2201         * The number of radio channels that are allowed in the local
2202         * 802.11 regulatory domain.
2203         * @hide
2204         */
2205        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2206
2207        /**
2208         * When the number of open networks exceeds this number, the
2209         * least-recently-used excess networks will be removed.
2210         */
2211        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2212
2213        /**
2214         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2215         */
2216        public static final String WIFI_ON = "wifi_on";
2217
2218        /**
2219         * The acceptable packet loss percentage (range 0 - 100) before trying
2220         * another AP on the same network.
2221         */
2222        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2223                "wifi_watchdog_acceptable_packet_loss_percentage";
2224
2225        /**
2226         * The number of access points required for a network in order for the
2227         * watchdog to monitor it.
2228         */
2229        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2230
2231        /**
2232         * The delay between background checks.
2233         */
2234        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2235                "wifi_watchdog_background_check_delay_ms";
2236
2237        /**
2238         * Whether the Wi-Fi watchdog is enabled for background checking even
2239         * after it thinks the user has connected to a good access point.
2240         */
2241        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2242                "wifi_watchdog_background_check_enabled";
2243
2244        /**
2245         * The timeout for a background ping
2246         */
2247        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2248                "wifi_watchdog_background_check_timeout_ms";
2249
2250        /**
2251         * The number of initial pings to perform that *may* be ignored if they
2252         * fail. Again, if these fail, they will *not* be used in packet loss
2253         * calculation. For example, one network always seemed to time out for
2254         * the first couple pings, so this is set to 3 by default.
2255         */
2256        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2257            "wifi_watchdog_initial_ignored_ping_count";
2258
2259        /**
2260         * The maximum number of access points (per network) to attempt to test.
2261         * If this number is reached, the watchdog will no longer monitor the
2262         * initial connection state for the network. This is a safeguard for
2263         * networks containing multiple APs whose DNS does not respond to pings.
2264         */
2265        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2266
2267        /**
2268         * Whether the Wi-Fi watchdog is enabled.
2269         */
2270        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2271
2272        /**
2273         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2274         */
2275        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2276
2277        /**
2278         * The number of pings to test if an access point is a good connection.
2279         */
2280        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2281
2282        /**
2283         * The delay between pings.
2284         */
2285        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2286
2287        /**
2288         * The timeout per ping.
2289         */
2290        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2291
2292        /**
2293         * The maximum number of times we will retry a connection to an access
2294         * point for which we have failed in acquiring an IP address from DHCP.
2295         * A value of N means that we will make N+1 connection attempts in all.
2296         */
2297        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2298
2299        /**
2300         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2301         * data connectivity to be established after a disconnect from Wi-Fi.
2302         */
2303        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2304            "wifi_mobile_data_transition_wakelock_timeout_ms";
2305
2306        /**
2307         * Whether background data usage is allowed by the user. See
2308         * ConnectivityManager for more info.
2309         */
2310        public static final String BACKGROUND_DATA = "background_data";
2311
2312        /**
2313         * The time in msec, when the LAST_KMSG file was send to the checkin server.
2314         * We will only send the LAST_KMSG file if it was modified after this time.
2315         *
2316         * @hide
2317         */
2318        public static final String CHECKIN_SEND_LAST_KMSG_TIME = "checkin_kmsg_time";
2319
2320        /**
2321         * The time in msec, when the apanic_console file was send to the checkin server.
2322         * We will only send the apanic_console file if it was modified after this time.
2323         *
2324         * @hide
2325         */
2326        public static final String CHECKIN_SEND_APANIC_CONSOLE_TIME =
2327            "checkin_apanic_console_time";
2328
2329        /**
2330         * The time in msec, when the apanic_thread file was send to the checkin server.
2331         * We will only send the apanic_thread file if it was modified after this time.
2332         *
2333         * @hide
2334         */
2335        public static final String CHECKIN_SEND_APANIC_THREAD_TIME =
2336            "checkin_apanic_thread_time";
2337
2338        /**
2339         * The CDMA roaming mode 0 = Home Networks, CDMA default
2340         *                       1 = Roaming on Affiliated networks
2341         *                       2 = Roaming on any networks
2342         * @hide
2343         */
2344        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2345
2346        /**
2347         * The CDMA subscription mode 0 = RUIM/SIM (default)
2348         *                                1 = NV
2349         * @hide
2350         */
2351        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2352
2353        /**
2354         * The preferred network mode   7 = Global
2355         *                              6 = EvDo only
2356         *                              5 = CDMA w/o EvDo
2357         *                              4 = CDMA / EvDo auto
2358         *                              3 = GSM / WCDMA auto
2359         *                              2 = WCDMA only
2360         *                              1 = GSM only
2361         *                              0 = GSM / WCDMA preferred
2362         * @hide
2363         */
2364        public static final String PREFERRED_NETWORK_MODE =
2365                "preferred_network_mode";
2366
2367        /**
2368         * The preferred TTY mode     0 = TTy Off, CDMA default
2369         *                            1 = TTY Full
2370         *                            2 = TTY HCO
2371         *                            3 = TTY VCO
2372         * @hide
2373         */
2374        public static final String PREFERRED_TTY_MODE =
2375                "preferred_tty_mode";
2376
2377
2378        /**
2379         * CDMA Cell Broadcast SMS
2380         *                            0 = CDMA Cell Broadcast SMS disabled
2381         *                            1 = CDMA Cell Broadcast SMS enabled
2382         * @hide
2383         */
2384        public static final String CDMA_CELL_BROADCAST_SMS =
2385                "cdma_cell_broadcast_sms";
2386
2387        /**
2388         * The cdma subscription 0 = Subscription from RUIM, when available
2389         *                       1 = Subscription from NV
2390         * @hide
2391         */
2392        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2393                "preferred_cdma_subscription";
2394
2395        /**
2396         * Whether the enhanced voice privacy mode is enabled.
2397         * 0 = normal voice privacy
2398         * 1 = enhanced voice privacy
2399         * @hide
2400         */
2401        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2402
2403        /**
2404         * Whether the TTY mode mode is enabled.
2405         * 0 = disabled
2406         * 1 = enabled
2407         * @hide
2408         */
2409        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2410
2411        /**
2412         * Flag for allowing service provider to use location information to improve products and
2413         * services.
2414         * Type: int ( 0 = disallow, 1 = allow )
2415         * @hide
2416         */
2417        public static final String USE_LOCATION_FOR_SERVICES = "use_location";
2418
2419        /**
2420         * Controls whether settings backup is enabled.
2421         * Type: int ( 0 = disabled, 1 = enabled )
2422         * @hide
2423         */
2424        public static final String BACKUP_ENABLED = "backup_enabled";
2425
2426        /**
2427         * Indicates whether settings backup has been fully provisioned.
2428         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2429         * @hide
2430         */
2431        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2432
2433        /**
2434         * Component of the transport to use for backup/restore.
2435         * @hide
2436         */
2437        public static final String BACKUP_TRANSPORT = "backup_transport";
2438
2439        /**
2440         * Version for which the setup wizard was last shown.  Bumped for
2441         * each release when there is new setup information to show.
2442         * @hide
2443         */
2444        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2445
2446        /**
2447         * @hide
2448         */
2449        public static final String[] SETTINGS_TO_BACKUP = {
2450            ADB_ENABLED,
2451            ALLOW_MOCK_LOCATION,
2452            PARENTAL_CONTROL_ENABLED,
2453            PARENTAL_CONTROL_REDIRECT_URL,
2454            USB_MASS_STORAGE_ENABLED,
2455            ACCESSIBILITY_ENABLED,
2456            ENABLED_ACCESSIBILITY_SERVICES,
2457            TTS_USE_DEFAULTS,
2458            TTS_DEFAULT_RATE,
2459            TTS_DEFAULT_PITCH,
2460            TTS_DEFAULT_SYNTH,
2461            TTS_DEFAULT_LANG,
2462            TTS_DEFAULT_COUNTRY,
2463            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
2464            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
2465            WIFI_NUM_ALLOWED_CHANNELS,
2466            WIFI_NUM_OPEN_NETWORKS_KEPT,
2467        };
2468
2469        /**
2470         * Helper method for determining if a location provider is enabled.
2471         * @param cr the content resolver to use
2472         * @param provider the location provider to query
2473         * @return true if the provider is enabled
2474         *
2475         * @hide
2476         */
2477        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
2478            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
2479            if (allowedProviders != null) {
2480                return (allowedProviders.equals(provider) ||
2481                        allowedProviders.contains("," + provider + ",") ||
2482                        allowedProviders.startsWith(provider + ",") ||
2483                        allowedProviders.endsWith("," + provider));
2484            }
2485            return false;
2486        }
2487
2488        /**
2489         * Thread-safe method for enabling or disabling a single location provider.
2490         * @param cr the content resolver to use
2491         * @param provider the location provider to enable or disable
2492         * @param enabled true if the provider should be enabled
2493         *
2494         * @hide
2495         */
2496        public static final void setLocationProviderEnabled(ContentResolver cr,
2497                String provider, boolean enabled) {
2498            // to ensure thread safety, we write the provider name with a '+' or '-'
2499            // and let the SettingsProvider handle it rather than reading and modifying
2500            // the list of enabled providers.
2501            if (enabled) {
2502                provider = "+" + provider;
2503            } else {
2504                provider = "-" + provider;
2505            }
2506            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
2507        }
2508    }
2509
2510    /**
2511     * Gservices settings, containing the network names for Google's
2512     * various services. This table holds simple name/addr pairs.
2513     * Addresses can be accessed through the getString() method.
2514     *
2515     * TODO: This should move to partner/google/... somewhere.
2516     *
2517     * @hide
2518     */
2519    public static final class Gservices extends NameValueTable {
2520        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_gservices_version";
2521
2522        /**
2523         * Intent action broadcast when the Gservices table is updated by the server.
2524         * This is broadcast once after settings change (so many values may have been updated).
2525         */
2526        @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2527        public static final String CHANGED_ACTION =
2528            "com.google.gservices.intent.action.GSERVICES_CHANGED";
2529
2530        /**
2531         * Intent action to override Gservices for testing.  (Requires WRITE_GSERVICES permission.)
2532         */
2533        @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2534        public static final String OVERRIDE_ACTION =
2535            "com.google.gservices.intent.action.GSERVICES_OVERRIDE";
2536
2537        /**
2538         * Intent action to set Gservices with new values.  (Requires WRITE_GSERVICES permission.)
2539         */
2540        @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2541        public static final String UPDATE_ACTION =
2542            "com.google.gservices.intent.action.GSERVICES_UPDATE";
2543
2544        private static volatile NameValueCache mNameValueCache = null;
2545        private static final Object mNameValueCacheLock = new Object();
2546
2547        /**
2548         * Look up a name in the database.
2549         * @param resolver to access the database with
2550         * @param name to look up in the table
2551         * @return the corresponding value, or null if not present
2552         */
2553        public static String getString(ContentResolver resolver, String name) {
2554            synchronized (mNameValueCacheLock) {
2555                if (mNameValueCache == null) {
2556                    mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
2557                }
2558                return mNameValueCache.getString(resolver, name);
2559            }
2560        }
2561
2562        /**
2563         * Store a name/value pair into the database.
2564         * @param resolver to access the database with
2565         * @param name to store
2566         * @param value to associate with the name
2567         * @return true if the value was set, false on database errors
2568         */
2569        public static boolean putString(ContentResolver resolver,
2570                String name, String value) {
2571            return putString(resolver, CONTENT_URI, name, value);
2572        }
2573
2574        /**
2575         * Look up the value for name in the database, convert it to an int using Integer.parseInt
2576         * and return it. If it is null or if a NumberFormatException is caught during the
2577         * conversion then return defValue.
2578         */
2579        public static int getInt(ContentResolver resolver, String name, int defValue) {
2580            String valString = getString(resolver, name);
2581            int value;
2582            try {
2583                value = valString != null ? Integer.parseInt(valString) : defValue;
2584            } catch (NumberFormatException e) {
2585                value = defValue;
2586            }
2587            return value;
2588        }
2589
2590        /**
2591         * Look up the value for name in the database, convert it to a long using Long.parseLong
2592         * and return it. If it is null or if a NumberFormatException is caught during the
2593         * conversion then return defValue.
2594         */
2595        public static long getLong(ContentResolver resolver, String name, long defValue) {
2596            String valString = getString(resolver, name);
2597            long value;
2598            try {
2599                value = valString != null ? Long.parseLong(valString) : defValue;
2600            } catch (NumberFormatException e) {
2601                value = defValue;
2602            }
2603            return value;
2604        }
2605
2606        /**
2607         * Construct the content URI for a particular name/value pair,
2608         * useful for monitoring changes with a ContentObserver.
2609         * @param name to look up in the table
2610         * @return the corresponding content URI, or null if not present
2611         */
2612        public static Uri getUriFor(String name) {
2613            return getUriFor(CONTENT_URI, name);
2614        }
2615
2616        /**
2617         * The content:// style URL for this table
2618         */
2619        public static final Uri CONTENT_URI =
2620                Uri.parse("content://" + AUTHORITY + "/gservices");
2621
2622        /**
2623         * MMS - URL to use for HTTP "x-wap-profile" header
2624         */
2625        public static final String MMS_X_WAP_PROFILE_URL
2626                = "mms_x_wap_profile_url";
2627
2628        /**
2629         * YouTube - the flag to indicate whether to use proxy
2630         */
2631        public static final String YOUTUBE_USE_PROXY
2632                = "youtube_use_proxy";
2633
2634        /**
2635         * MMS - maximum message size in bytes for a MMS message.
2636         */
2637        public static final String MMS_MAXIMUM_MESSAGE_SIZE
2638                = "mms_maximum_message_size";
2639
2640        /**
2641         * Event tags from the kernel event log to upload during checkin.
2642         */
2643        public static final String CHECKIN_EVENTS = "checkin_events";
2644
2645        /**
2646         * Comma-separated list of service names to dump and upload during checkin.
2647         */
2648        public static final String CHECKIN_DUMPSYS_LIST = "checkin_dumpsys_list";
2649
2650        /**
2651         * Comma-separated list of packages to specify for each service that is
2652         * dumped (currently only meaningful for user activity).
2653         */
2654        public static final String CHECKIN_PACKAGE_LIST = "checkin_package_list";
2655
2656        /**
2657         * The interval (in seconds) between periodic checkin attempts.
2658         */
2659        public static final String CHECKIN_INTERVAL = "checkin_interval";
2660
2661        /**
2662         * The interval (in seconds) between event log aggregation runs.
2663         */
2664        public static final String AGGREGATION_INTERVAL_SECONDS = "aggregation_interval_seconds";
2665
2666        /**
2667         * Boolean indicating if the market app should force market only checkins on
2668         * install/uninstall. Any non-0 value is considered true.
2669         */
2670        public static final String MARKET_FORCE_CHECKIN = "market_force_checkin";
2671
2672        /**
2673         * How frequently (in seconds) to check the memory status of the
2674         * device.
2675         */
2676        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2677
2678        /**
2679         * Max frequency (in seconds) to log memory check stats, in realtime
2680         * seconds.  This allows for throttling of logs when the device is
2681         * running for large amounts of time.
2682         */
2683        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2684                "memcheck_log_realtime_interval";
2685
2686        /**
2687         * Boolean indicating whether rebooting due to system memory checks
2688         * is enabled.
2689         */
2690        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2691
2692        /**
2693         * How many bytes the system process must be below to avoid scheduling
2694         * a soft reboot.  This reboot will happen when it is next determined
2695         * to be a good time.
2696         */
2697        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2698
2699        /**
2700         * How many bytes the system process must be below to avoid scheduling
2701         * a hard reboot.  This reboot will happen immediately.
2702         */
2703        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2704
2705        /**
2706         * How many bytes the phone process must be below to avoid scheduling
2707         * a soft restart.  This restart will happen when it is next determined
2708         * to be a good time.
2709         */
2710        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2711
2712        /**
2713         * How many bytes the phone process must be below to avoid scheduling
2714         * a hard restart.  This restart will happen immediately.
2715         */
2716        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2717
2718        /**
2719         * Boolean indicating whether restarting the phone process due to
2720         * memory checks is enabled.
2721         */
2722        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2723
2724        /**
2725         * First time during the day it is okay to kill processes
2726         * or reboot the device due to low memory situations.  This number is
2727         * in seconds since midnight.
2728         */
2729        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2730
2731        /**
2732         * Last time during the day it is okay to kill processes
2733         * or reboot the device due to low memory situations.  This number is
2734         * in seconds since midnight.
2735         */
2736        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2737
2738        /**
2739         * How long the screen must have been off in order to kill processes
2740         * or reboot.  This number is in seconds.  A value of -1 means to
2741         * entirely disregard whether the screen is on.
2742         */
2743        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2744
2745        /**
2746         * How much time there must be until the next alarm in order to kill processes
2747         * or reboot.  This number is in seconds.  Note: this value must be
2748         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2749         * always see an alarm scheduled within its time.
2750         */
2751        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2752
2753        /**
2754         * How frequently to check whether it is a good time to restart things,
2755         * if the device is in a bad state.  This number is in seconds.  Note:
2756         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2757         * the alarm to schedule the recheck will always appear within the
2758         * minimum "do not execute now" time.
2759         */
2760        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2761
2762        /**
2763         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2764         * will occur.
2765         */
2766        public static final String REBOOT_INTERVAL = "reboot_interval";
2767
2768        /**
2769         * First time during the day it is okay to force a reboot of the
2770         * device (if REBOOT_INTERVAL is set).  This number is
2771         * in seconds since midnight.
2772         */
2773        public static final String REBOOT_START_TIME = "reboot_start_time";
2774
2775        /**
2776         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2777         * a reboot can be executed.  If 0, a reboot will always be executed at
2778         * exactly the given time.  Otherwise, it will only be executed if
2779         * the device is idle within the window.
2780         */
2781        public static final String REBOOT_WINDOW = "reboot_window";
2782
2783        /**
2784         * The minimum version of the server that is required in order for the device to accept
2785         * the server's recommendations about the initial sync settings to use. When this is unset,
2786         * blank or can't be interpreted as an integer then we will not ask the server for a
2787         * recommendation.
2788         */
2789        public static final String GMAIL_CONFIG_INFO_MIN_SERVER_VERSION =
2790                "gmail_config_info_min_server_version";
2791
2792        /**
2793         * Controls whether Gmail offers a preview button for images.
2794         */
2795        public static final String GMAIL_DISALLOW_IMAGE_PREVIEWS = "gmail_disallow_image_previews";
2796
2797        /**
2798         * The maximal size in bytes allowed for attachments when composing messages in Gmail
2799         */
2800        public static final String GMAIL_MAX_ATTACHMENT_SIZE = "gmail_max_attachment_size_bytes";
2801
2802        /**
2803         * The timeout in milliseconds that Gmail uses when opening a connection and reading
2804         * from it. A missing value or a value of -1 instructs Gmail to use the defaults provided
2805         * by GoogleHttpClient.
2806         */
2807        public static final String GMAIL_TIMEOUT_MS = "gmail_timeout_ms";
2808
2809        /**
2810         * Controls whether Gmail will request an expedited sync when a message is sent. Value must
2811         * be an integer where non-zero means true. Defaults to 1.
2812         */
2813        public static final String GMAIL_SEND_IMMEDIATELY = "gmail_send_immediately";
2814
2815        /**
2816         * Controls whether gmail buffers server responses.  Possible values are "memory", for a
2817         * memory-based buffer, or "file", for a temp-file-based buffer.  All other values
2818         * (including not set) disable buffering.
2819         */
2820        public static final String GMAIL_BUFFER_SERVER_RESPONSE = "gmail_buffer_server_response";
2821
2822        /**
2823         * The maximum size in bytes allowed for the provider to gzip a protocol buffer uploaded to
2824         * the server.
2825         */
2826        public static final String GMAIL_MAX_GZIP_SIZE = "gmail_max_gzip_size_bytes";
2827
2828        /**
2829         * Controls whether Gmail will discard uphill operations that repeatedly fail. Value must be
2830         * an integer where non-zero means true. Defaults to 1. This flag controls Donut devices.
2831         */
2832        public static final String GMAIL_DISCARD_ERROR_UPHILL_OP = "gmail_discard_error_uphill_op";
2833
2834        /**
2835         * Controls whether Gmail will discard uphill operations that repeatedly fail. Value must be
2836         * an integer where non-zero means true. Defaults to 1. This flag controls Eclair and
2837         * future devices.
2838         */
2839        public static final String GMAIL_DISCARD_ERROR_UPHILL_OP_NEW =
2840            "gmail_discard_error_uphill_op_new";
2841
2842        /**
2843         * Controls how many attempts Gmail will try to upload an uphill operations before it
2844         * abandons the operation. Defaults to 20.
2845         */
2846        public static final String GMAIL_NUM_RETRY_UPHILL_OP = "gmail_num_retry_uphill_op";
2847
2848        /**
2849         * How much time in seconds Gmail will try to upload an uphill operations before it
2850         * abandons the operation. Defaults to 36400 (one day).
2851         */
2852        public static final String GMAIL_WAIT_TIME_RETRY_UPHILL_OP =
2853                "gmail_wait_time_retry_uphill_op";
2854
2855        /**
2856         * Controls if Gmail should delay sending operations that have previously failed.
2857         */
2858        public static final String GMAIL_DELAY_BAD_OP = "gmail_delay_bad_op";
2859
2860        /**
2861         * Controls if the protocol buffer version of the protocol will use a multipart request for
2862         * attachment uploads. Value must be an integer where non-zero means true. Defaults to 0.
2863         */
2864        public static final String GMAIL_USE_MULTIPART_PROTOBUF = "gmail_use_multipart_protobuf";
2865
2866        /**
2867         * the transcoder URL for mobile devices.
2868         */
2869        public static final String TRANSCODER_URL = "mobile_transcoder_url";
2870
2871        /**
2872         * URL that points to the privacy terms of the Google Talk service.
2873         */
2874        public static final String GTALK_TERMS_OF_SERVICE_URL = "gtalk_terms_of_service_url";
2875
2876        /**
2877         * Hostname of the GTalk server.
2878         */
2879        public static final String GTALK_SERVICE_HOSTNAME = "gtalk_hostname";
2880
2881        /**
2882         * Secure port of the GTalk server.
2883         */
2884        public static final String GTALK_SERVICE_SECURE_PORT = "gtalk_secure_port";
2885
2886        /**
2887         * The server configurable RMQ acking interval
2888         */
2889        public static final String GTALK_SERVICE_RMQ_ACK_INTERVAL = "gtalk_rmq_ack_interval";
2890
2891        /**
2892         * The minimum reconnect delay for short network outages or when the network is suspended
2893         * due to phone use.
2894         */
2895        public static final String GTALK_SERVICE_MIN_RECONNECT_DELAY_SHORT =
2896                "gtalk_min_reconnect_delay_short";
2897
2898        /**
2899         * The reconnect variant range for short network outages or when the network is suspended
2900         * due to phone use. A random number between 0 and this constant is computed and
2901         * added to {@link #GTALK_SERVICE_MIN_RECONNECT_DELAY_SHORT} to form the initial reconnect
2902         * delay.
2903         */
2904        public static final String GTALK_SERVICE_RECONNECT_VARIANT_SHORT =
2905                "gtalk_reconnect_variant_short";
2906
2907        /**
2908         * The minimum reconnect delay for long network outages
2909         */
2910        public static final String GTALK_SERVICE_MIN_RECONNECT_DELAY_LONG =
2911                "gtalk_min_reconnect_delay_long";
2912
2913        /**
2914         * The reconnect variant range for long network outages.  A random number between 0 and this
2915         * constant is computed and added to {@link #GTALK_SERVICE_MIN_RECONNECT_DELAY_LONG} to
2916         * form the initial reconnect delay.
2917         */
2918        public static final String GTALK_SERVICE_RECONNECT_VARIANT_LONG =
2919                "gtalk_reconnect_variant_long";
2920
2921        /**
2922         * The maximum reconnect delay time, in milliseconds.
2923         */
2924        public static final String GTALK_SERVICE_MAX_RECONNECT_DELAY =
2925                "gtalk_max_reconnect_delay";
2926
2927        /**
2928         * The network downtime that is considered "short" for the above calculations,
2929         * in milliseconds.
2930         */
2931        public static final String GTALK_SERVICE_SHORT_NETWORK_DOWNTIME =
2932                "gtalk_short_network_downtime";
2933
2934        /**
2935         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2936         * will reset the heartbeat timer. The away heartbeat should be used when the user is
2937         * logged into the GTalk app, but not actively using it.
2938         */
2939        public static final String GTALK_SERVICE_AWAY_HEARTBEAT_INTERVAL_MS =
2940                "gtalk_heartbeat_ping_interval_ms";  // keep the string backward compatible
2941
2942        /**
2943         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2944         * will reset the heartbeat timer. The active heartbeat should be used when the user is
2945         * actively using the GTalk app.
2946         */
2947        public static final String GTALK_SERVICE_ACTIVE_HEARTBEAT_INTERVAL_MS =
2948                "gtalk_active_heartbeat_ping_interval_ms";
2949
2950        /**
2951         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2952         * will reset the heartbeat timer. The sync heartbeat should be used when the user isn't
2953         * logged into the GTalk app, but auto-sync is enabled.
2954         */
2955        public static final String GTALK_SERVICE_SYNC_HEARTBEAT_INTERVAL_MS =
2956                "gtalk_sync_heartbeat_ping_interval_ms";
2957
2958        /**
2959         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2960         * will reset the heartbeat timer. The no sync heartbeat should be used when the user isn't
2961         * logged into the GTalk app, and auto-sync is not enabled.
2962         */
2963        public static final String GTALK_SERVICE_NOSYNC_HEARTBEAT_INTERVAL_MS =
2964                "gtalk_nosync_heartbeat_ping_interval_ms";
2965
2966        /**
2967         * The maximum heartbeat interval used while on the WIFI network.
2968         */
2969        public static final String GTALK_SERVICE_WIFI_MAX_HEARTBEAT_INTERVAL_MS =
2970                "gtalk_wifi_max_heartbeat_ping_interval_ms";
2971
2972        /**
2973         * How long we wait to receive a heartbeat ping acknowledgement (or another packet)
2974         * from the GTalk server, before deeming the connection dead.
2975         */
2976        public static final String GTALK_SERVICE_HEARTBEAT_ACK_TIMEOUT_MS =
2977                "gtalk_heartbeat_ack_timeout_ms";
2978
2979        /**
2980         * How long after screen is turned off before we consider the user to be idle.
2981         */
2982        public static final String GTALK_SERVICE_IDLE_TIMEOUT_MS =
2983                "gtalk_idle_timeout_ms";
2984
2985        /**
2986         * By default, GTalkService will always connect to the server regardless of the auto-sync
2987         * setting. However, if this parameter is true, then GTalkService will only connect
2988         * if auto-sync is enabled. Using the GTalk app will trigger the connection too.
2989         */
2990        public static final String GTALK_SERVICE_CONNECT_ON_AUTO_SYNC =
2991                "gtalk_connect_on_auto_sync";
2992
2993        /**
2994         * GTalkService holds a wakelock while broadcasting the intent for data message received.
2995         * It then automatically release the wakelock after a timeout. This setting controls what
2996         * the timeout should be.
2997         */
2998        public static final String GTALK_DATA_MESSAGE_WAKELOCK_MS =
2999                "gtalk_data_message_wakelock_ms";
3000
3001        /**
3002         * The socket read timeout used to control how long ssl handshake wait for reads before
3003         * timing out. This is needed so the ssl handshake doesn't hang for a long time in some
3004         * circumstances.
3005         */
3006        public static final String GTALK_SSL_HANDSHAKE_TIMEOUT_MS =
3007                "gtalk_ssl_handshake_timeout_ms";
3008
3009        /**
3010         * Compress the gtalk stream.
3011         */
3012        public static final String GTALK_COMPRESS = "gtalk_compress";
3013
3014        /**
3015         * This is the timeout for which Google Talk will send the message using bareJID. In a
3016         * established chat between two XMPP endpoints, Google Talk uses fullJID in the format
3017         * of user@domain/resource in order to send the message to the specific client. However,
3018         * if Google Talk hasn't received a message from that client after some time, it would
3019         * fall back to use the bareJID, which would broadcast the message to all clients for
3020         * the other user.
3021         */
3022        public static final String GTALK_USE_BARE_JID_TIMEOUT_MS = "gtalk_use_barejid_timeout_ms";
3023
3024        /**
3025         * This is the threshold of retry number when there is an authentication expired failure
3026         * for Google Talk. In some situation, e.g. when a Google Apps account is disabled chat
3027         * service, the connection keeps failing. This threshold controls when we should stop
3028         * the retrying.
3029         */
3030        public static final String GTALK_MAX_RETRIES_FOR_AUTH_EXPIRED =
3031                "gtalk_max_retries_for_auth_expired";
3032
3033        /**
3034         * a boolean setting indicating whether the GTalkService should use RMQ2 protocol or not.
3035         */
3036        public static final String GTALK_USE_RMQ2_PROTOCOL =
3037                "gtalk_use_rmq2";
3038
3039        /**
3040         * a boolean setting indicating whether the GTalkService should support both RMQ and
3041         * RMQ2 protocols. This setting is true for the transitional period when we need to
3042         * support both protocols.
3043         */
3044        public static final String GTALK_SUPPORT_RMQ_AND_RMQ2_PROTOCOLS =
3045                "gtalk_support_rmq_and_rmq2";
3046
3047        /**
3048         * a boolean setting controlling whether the rmq2 protocol will include stream ids in
3049         * the protobufs. This is used for debugging.
3050         */
3051        public static final String GTALK_RMQ2_INCLUDE_STREAM_ID =
3052                "gtalk_rmq2_include_stream_id";
3053
3054        /**
3055         * when receiving a chat message from the server, the message could be an older message
3056         * whose "time sent" is x seconds from now. If x is significant enough, we want to flag
3057         * it so the UI can give it some special treatment when displaying the "time sent" for
3058         * it. This setting is to control what x is.
3059         */
3060        public static final String GTALK_OLD_CHAT_MESSAGE_THRESHOLD_IN_SEC =
3061                "gtalk_old_chat_msg_threshold_in_sec";
3062
3063        /**
3064         * a setting to control the max connection history record GTalkService stores.
3065         */
3066        public static final String GTALK_MAX_CONNECTION_HISTORY_RECORDS =
3067                "gtalk_max_conn_history_records";
3068
3069        /**
3070         * This is gdata url to lookup album and picture info from picasa web. It also controls
3071         * whether url scraping for picasa is enabled (NULL to disable).
3072         */
3073        public static final String GTALK_PICASA_ALBUM_URL =
3074                "gtalk_picasa_album_url";
3075
3076        /**
3077         * This is the url to lookup picture info from flickr. It also controls
3078         * whether url scraping for flickr is enabled (NULL to disable).
3079         */
3080        public static final String GTALK_FLICKR_PHOTO_INFO_URL =
3081                "gtalk_flickr_photo_info_url";
3082
3083        /**
3084         * This is the url to lookup an actual picture from flickr.
3085         */
3086        public static final String GTALK_FLICKR_PHOTO_URL =
3087                "gtalk_flickr_photo_url";
3088
3089        /**
3090         * This is the gdata url to lookup info on a youtube video. It also controls
3091         * whether url scraping for youtube is enabled (NULL to disable).
3092         */
3093        public static final String GTALK_YOUTUBE_VIDEO_URL =
3094                "gtalk_youtube_video_url";
3095
3096        /**
3097         * Enable/disable GTalk URL scraping for JPG images ("true" to enable).
3098         */
3099        public static final String GTALK_URL_SCRAPING_FOR_JPG =
3100                "gtalk_url_scraping_for_jpg";
3101
3102        /**
3103         * Chat message lifetime (for pruning old chat messages).
3104         */
3105        public static final String GTALK_CHAT_MESSAGE_LIFETIME =
3106                "gtalk_chat_message_lifetime";
3107
3108        /**
3109         * OTR message lifetime (for pruning old otr messages).
3110         */
3111        public static final String GTALK_OTR_MESSAGE_LIFETIME =
3112                "gtalk_otr_message_lifetime";
3113
3114        /**
3115         * Chat expiration time, i.e., time since last message in the chat (for pruning old chats).
3116         */
3117        public static final String GTALK_CHAT_EXPIRATION_TIME =
3118                "gtalk_chat_expiration_time";
3119
3120        /**
3121         * This is the url for getting the app token for server-to-device push messaging.
3122         */
3123        public static final String PUSH_MESSAGING_REGISTRATION_URL =
3124                "push_messaging_registration_url";
3125
3126        /**
3127         * Use android://&lt;it&gt; routing infos for Google Sync Server subcriptions.
3128         */
3129        public static final String GSYNC_USE_RMQ2_ROUTING_INFO = "gsync_use_rmq2_routing_info";
3130
3131        /**
3132         * Enable use of ssl session caching.
3133         * 'db' - save each session in a (per process) database
3134         * 'file' - save each session in a (per process) file
3135         * not set or any other value - normal java in-memory caching
3136         */
3137        public static final String SSL_SESSION_CACHE = "ssl_session_cache";
3138
3139        /**
3140         * How many bytes long a message has to be, in order to be gzipped.
3141         */
3142        public static final String SYNC_MIN_GZIP_BYTES =
3143                "sync_min_gzip_bytes";
3144
3145        /**
3146         * The hash value of the current provisioning settings
3147         */
3148        public static final String PROVISIONING_DIGEST = "digest";
3149
3150        /**
3151         * Provisioning keys to block from server update
3152         */
3153        public static final String PROVISIONING_OVERRIDE = "override";
3154
3155        /**
3156         * "Generic" service name for  authentication requests.
3157         */
3158        public static final String GOOGLE_LOGIN_GENERIC_AUTH_SERVICE
3159                = "google_login_generic_auth_service";
3160
3161        /**
3162         * Duration in milliseconds after setup at which market does not reconcile applications
3163         * which are installed during restore.
3164         */
3165        public static final String VENDING_RESTORE_WINDOW_MS = "vending_restore_window_ms";
3166
3167
3168        /**
3169         * Frequency in milliseconds at which we should sync the locally installed Vending Machine
3170         * content with the server.
3171         */
3172        public static final String VENDING_SYNC_FREQUENCY_MS = "vending_sync_frequency_ms";
3173
3174        /**
3175         * Support URL that is opened in a browser when user clicks on 'Help and Info' in Vending
3176         * Machine.
3177         */
3178        public static final String VENDING_SUPPORT_URL = "vending_support_url";
3179
3180        /**
3181         * Indicates if Vending Machine requires a SIM to be in the phone to allow a purchase.
3182         *
3183         * true = SIM is required
3184         * false = SIM is not required
3185         */
3186        public static final String VENDING_REQUIRE_SIM_FOR_PURCHASE =
3187                "vending_require_sim_for_purchase";
3188
3189        /**
3190         * Indicates the Vending Machine backup state. It is set if the
3191         * Vending application has been backed up at least once.
3192         */
3193        public static final String VENDING_BACKUP_STATE = "vending_backup_state";
3194
3195        /**
3196         * The current version id of the Vending Machine terms of service.
3197         */
3198        public static final String VENDING_TOS_VERSION = "vending_tos_version";
3199
3200        /**
3201         * URL that points to the terms of service for Vending Machine.
3202         */
3203        public static final String VENDING_TOS_URL = "vending_tos_url";
3204
3205        /**
3206         * URL to navigate to in browser (not Market) when the terms of service
3207         * for Vending Machine could not be accessed due to bad network
3208         * connection.
3209         */
3210        public static final String VENDING_TOS_MISSING_URL = "vending_tos_missing_url";
3211
3212        /**
3213         * Whether to use sierraqa instead of sierra tokens for the purchase flow in
3214         * Vending Machine.
3215         *
3216         * true = use sierraqa
3217         * false = use sierra (default)
3218         */
3219        public static final String VENDING_USE_CHECKOUT_QA_SERVICE =
3220                "vending_use_checkout_qa_service";
3221
3222        /**
3223         * Default value to use for all/free/priced filter in Market.
3224         * Valid values: ALL, FREE, PAID (case insensitive)
3225         */
3226        public static final String VENDING_DEFAULT_FILTER = "vending_default_filter";
3227        /**
3228         * Ranking type value to use for the first category tab (currently popular)
3229         */
3230        public static final String VENDING_TAB_1_RANKING_TYPE = "vending_tab_1_ranking_type";
3231
3232        /**
3233         * Title string to use for first category tab.
3234         */
3235        public static final String VENDING_TAB_1_TITLE = "vending_tab_1_title";
3236
3237        /**
3238         * Ranking type value to use for the second category tab (currently newest)
3239         */
3240        public static final String VENDING_TAB_2_RANKING_TYPE = "vending_tab_2_ranking_type";
3241
3242        /**
3243         * Title string to use for second category tab.
3244         */
3245        public static final String VENDING_TAB_2_TITLE = "vending_tab_2_title";
3246
3247        /**
3248         * Frequency in milliseconds at which we should request MCS heartbeats
3249         * from the Vending Machine client.
3250         */
3251        public static final String VENDING_HEARTBEAT_FREQUENCY_MS =
3252                "vending_heartbeat_frequency_ms";
3253
3254        /**
3255         * Frequency in milliseconds at which we should resend pending download
3256         * requests to the API Server from the Vending Machine client.
3257         */
3258        public static final String VENDING_PENDING_DOWNLOAD_RESEND_FREQUENCY_MS =
3259                "vending_pd_resend_frequency_ms";
3260
3261        /**
3262         * Time before an asset in the 'DOWNLOADING' state is considered ready
3263         * for an install kick on the client.
3264         */
3265        public static final String VENDING_DOWNLOADING_KICK_TIMEOUT_MS =
3266                "vending_downloading_kick_ms";
3267
3268        /**
3269         * Size of buffer in bytes for Vending to use when reading cache files.
3270         */
3271        public static final String VENDING_DISK_INPUT_BUFFER_BYTES =
3272                "vending_disk_input_buffer_bytes";
3273
3274        /**
3275         * Size of buffer in bytes for Vending to use when writing cache files.
3276         */
3277        public static final String VENDING_DISK_OUTPUT_BUFFER_BYTES =
3278                "vending_disk_output_buffer_bytes";
3279
3280        /**
3281         * Frequency in milliseconds at which we should cycle through the promoted applications
3282         * on the home screen or the categories page.
3283         */
3284        public static final String VENDING_PROMO_REFRESH_FREQUENCY_MS =
3285                "vending_promo_refresh_freq_ms";
3286
3287        /**
3288         * Frequency in milliseconds when we should refresh the provisioning information from
3289         * the carrier backend.
3290         */
3291        public static final String VENDING_CARRIER_PROVISIONING_REFRESH_FREQUENCY_MS =
3292                "vending_carrier_ref_freq_ms";
3293
3294        /**
3295         * Interval in milliseconds after which a failed provisioning request should be retried.
3296         */
3297        public static final String VENDING_CARRIER_PROVISIONING_RETRY_MS =
3298            "vending_carrier_prov_retry_ms";
3299
3300        /**
3301         * Buffer in milliseconds for carrier credentials to be considered valid.
3302         */
3303        public static final String VENDING_CARRIER_CREDENTIALS_BUFFER_MS =
3304            "vending_carrier_cred_buf_ms";
3305
3306        /**
3307         * Whether to turn on performance logging in the Market client.
3308         */
3309        public static final String VENDING_LOG_PERFORMANCE =
3310            "vending_log_perf";
3311
3312        /**
3313         * URL that points to the legal terms of service to display in Settings.
3314         * <p>
3315         * This should be a https URL. For a pretty user-friendly URL, use
3316         * {@link #SETTINGS_TOS_PRETTY_URL}.
3317         */
3318        public static final String SETTINGS_TOS_URL = "settings_tos_url";
3319
3320        /**
3321         * URL that points to the legal terms of service to display in Settings.
3322         * <p>
3323         * This should be a pretty http URL. For the URL the device will access
3324         * via Settings, use {@link #SETTINGS_TOS_URL}.
3325         */
3326        public static final String SETTINGS_TOS_PRETTY_URL = "settings_tos_pretty_url";
3327
3328        /**
3329         * URL that points to the contributors to display in Settings.
3330         * <p>
3331         * This should be a https URL. For a pretty user-friendly URL, use
3332         * {@link #SETTINGS_CONTRIBUTORS_PRETTY_URL}.
3333         */
3334        public static final String SETTINGS_CONTRIBUTORS_URL = "settings_contributors_url";
3335
3336        /**
3337         * URL that points to the contributors to display in Settings.
3338         * <p>
3339         * This should be a pretty http URL. For the URL the device will access
3340         * via Settings, use {@link #SETTINGS_CONTRIBUTORS_URL}.
3341         */
3342        public static final String SETTINGS_CONTRIBUTORS_PRETTY_URL =
3343                "settings_contributors_pretty_url";
3344
3345        /**
3346         * URL that points to the Terms Of Service for the device.
3347         * <p>
3348         * This should be a pretty http URL.
3349         */
3350        public static final String SETUP_GOOGLE_TOS_URL = "setup_google_tos_url";
3351
3352        /**
3353         * URL that points to the Android privacy policy for the device.
3354         * <p>
3355         * This should be a pretty http URL.
3356         */
3357        public static final String SETUP_ANDROID_PRIVACY_URL = "setup_android_privacy_url";
3358
3359        /**
3360         * URL that points to the Google privacy policy for the device.
3361         * <p>
3362         * This should be a pretty http URL.
3363         */
3364        public static final String SETUP_GOOGLE_PRIVACY_URL = "setup_google_privacy_url";
3365
3366        /**
3367         * Request an MSISDN token for various Google services.
3368         */
3369        public static final String USE_MSISDN_TOKEN = "use_msisdn_token";
3370
3371        /**
3372         * RSA public key used to encrypt passwords stored in the database.
3373         */
3374        public static final String GLS_PUBLIC_KEY = "google_login_public_key";
3375
3376        /**
3377         * Only check parental control status if this is set to "true".
3378         */
3379        public static final String PARENTAL_CONTROL_CHECK_ENABLED =
3380                "parental_control_check_enabled";
3381
3382        /**
3383         * The list of applications we need to block if parental control is
3384         * enabled.
3385         */
3386        public static final String PARENTAL_CONTROL_APPS_LIST =
3387                "parental_control_apps_list";
3388
3389        /**
3390         * Duration in which parental control status is valid.
3391         */
3392        public static final String PARENTAL_CONTROL_TIMEOUT_IN_MS =
3393                "parental_control_timeout_in_ms";
3394
3395        /**
3396         * When parental control is off, we expect to get this string from the
3397         * litmus url.
3398         */
3399        public static final String PARENTAL_CONTROL_EXPECTED_RESPONSE =
3400                "parental_control_expected_response";
3401
3402        /**
3403         * When the litmus url returns a 302, declare parental control to be on
3404         * only if the redirect url matches this regular expression.
3405         */
3406        public static final String PARENTAL_CONTROL_REDIRECT_REGEX =
3407                "parental_control_redirect_regex";
3408
3409        /**
3410         * Threshold for the amount of change in disk free space required to report the amount of
3411         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3412         * frequently.
3413         */
3414        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3415                "disk_free_change_reporting_threshold";
3416
3417        /**
3418         * Prefix for new Google services published by the checkin
3419         * server.
3420         */
3421        public static final String GOOGLE_SERVICES_PREFIX
3422                = "google_services:";
3423
3424        /**
3425         * The maximum reconnect delay for short network outages or when the network is suspended
3426         * due to phone use.
3427         */
3428        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3429                "sync_max_retry_delay_in_seconds";
3430
3431        /**
3432         * Minimum percentage of free storage on the device that is used to determine if
3433         * the device is running low on storage.
3434         * Say this value is set to 10, the device is considered running low on storage
3435         * if 90% or more of the device storage is filled up.
3436         */
3437        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3438                "sys_storage_threshold_percentage";
3439
3440        /**
3441         * The interval in minutes after which the amount of free storage left on the
3442         * device is logged to the event log
3443         */
3444        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3445                "sys_free_storage_log_interval";
3446
3447        /**
3448         * The interval in milliseconds at which to check the number of SMS sent
3449         * out without asking for use permit, to limit the un-authorized SMS
3450         * usage.
3451         */
3452        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3453                "sms_outgoing_check_interval_ms";
3454
3455        /**
3456         * The number of outgoing SMS sent without asking for user permit
3457         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3458         */
3459        public static final String SMS_OUTGOING_CEHCK_MAX_COUNT =
3460                "sms_outgoing_check_max_count";
3461
3462        /**
3463         * The interval in milliseconds at which to check packet counts on the
3464         * mobile data interface when screen is on, to detect possible data
3465         * connection problems.
3466         */
3467        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3468                "pdp_watchdog_poll_interval_ms";
3469
3470        /**
3471         * The interval in milliseconds at which to check packet counts on the
3472         * mobile data interface when screen is off, to detect possible data
3473         * connection problems.
3474         */
3475        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3476                "pdp_watchdog_long_poll_interval_ms";
3477
3478        /**
3479         * The interval in milliseconds at which to check packet counts on the
3480         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3481         * outgoing packets has been reached without incoming packets.
3482         */
3483        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3484                "pdp_watchdog_error_poll_interval_ms";
3485
3486        /**
3487         * The number of outgoing packets sent without seeing an incoming packet
3488         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3489         * device is logged to the event log
3490         */
3491        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3492                "pdp_watchdog_trigger_packet_count";
3493
3494        /**
3495         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3496         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3497         * attempting data connection recovery.
3498         */
3499        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3500                "pdp_watchdog_error_poll_count";
3501
3502        /**
3503         * The number of failed PDP reset attempts before moving to something more
3504         * drastic: re-registering to the network.
3505         */
3506        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3507                "pdp_watchdog_max_pdp_reset_fail_count";
3508
3509        /**
3510         * Address to ping as a last sanity check before attempting any recovery.
3511         * Unset or set to "0.0.0.0" to skip this check.
3512         */
3513        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3514
3515        /**
3516         * The "-w deadline" parameter for the ping, ie, the max time in
3517         * seconds to spend pinging.
3518         */
3519        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3520
3521        /**
3522         * The interval in milliseconds at which to check gprs registration
3523         * after the first registration mismatch of gprs and voice service,
3524         * to detect possible data network registration problems.
3525         *
3526         */
3527        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3528                "gprs_register_check_period_ms";
3529
3530        /**
3531         * The interval in milliseconds after which Wi-Fi is considered idle.
3532         * When idle, it is possible for the device to be switched from Wi-Fi to
3533         * the mobile data network.
3534         */
3535        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3536
3537        /**
3538         * Screen timeout in milliseconds corresponding to the
3539         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3540         * possible screen timeout behavior.)
3541         */
3542        public static final String SHORT_KEYLIGHT_DELAY_MS =
3543                "short_keylight_delay_ms";
3544
3545        /**
3546         * List of test suites (local disk filename) for the automatic instrumentation test runner.
3547         * The file format is similar to automated_suites.xml, see AutoTesterService.
3548         * If this setting is missing or empty, the automatic test runner will not start.
3549         */
3550        public static final String AUTOTEST_SUITES_FILE = "autotest_suites_file";
3551
3552        /**
3553         * Interval between synchronous checkins forced by the automatic test runner.
3554         * If you set this to a value smaller than CHECKIN_INTERVAL, then the test runner's
3555         * frequent checkins will prevent asynchronous background checkins from interfering
3556         * with any performance measurements.
3557         */
3558        public static final String AUTOTEST_CHECKIN_SECONDS = "autotest_checkin_seconds";
3559
3560        /**
3561         * Interval between reboots forced by the automatic test runner.
3562         */
3563        public static final String AUTOTEST_REBOOT_SECONDS = "autotest_reboot_seconds";
3564
3565
3566        /**
3567         * Threshold values for the duration and level of a discharge cycle, under
3568         * which we log discharge cycle info.
3569         */
3570        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3571                "battery_discharge_duration_threshold";
3572        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3573
3574        /**
3575         * An email address that anr bugreports should be sent to.
3576         */
3577        public static final String ANR_BUGREPORT_RECIPIENT = "anr_bugreport_recipient";
3578
3579        /**
3580         * Flag for allowing service provider to use location information to improve products and
3581         * services.
3582         * Type: int ( 0 = disallow, 1 = allow )
3583         * @deprecated
3584         */
3585        public static final String USE_LOCATION_FOR_SERVICES = "use_location";
3586
3587        /**
3588         * The number of promoted sources in GlobalSearch.
3589         */
3590        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3591        /**
3592         * The maximum number of suggestions returned by GlobalSearch.
3593         */
3594        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3595        /**
3596         * The number of suggestions GlobalSearch will ask each non-web search source for.
3597         */
3598        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3599        /**
3600         * The number of suggestions the GlobalSearch will ask the web search source for.
3601         */
3602        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3603                "search_web_results_override_limit";
3604        /**
3605         * The number of milliseconds that GlobalSearch will wait for suggestions from
3606         * promoted sources before continuing with all other sources.
3607         */
3608        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3609                "search_promoted_source_deadline_millis";
3610        /**
3611         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3612         */
3613        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3614        /**
3615         * The maximum number of milliseconds that GlobalSearch shows the previous results
3616         * after receiving a new query.
3617         */
3618        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3619        /**
3620         * The maximum age of log data used for shortcuts in GlobalSearch.
3621         */
3622        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3623        /**
3624         * The maximum age of log data used for source ranking in GlobalSearch.
3625         */
3626        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3627                "search_max_source_event_age_millis";
3628        /**
3629         * The minimum number of impressions needed to rank a source in GlobalSearch.
3630         */
3631        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3632                "search_min_impressions_for_source_ranking";
3633        /**
3634         * The minimum number of clicks needed to rank a source in GlobalSearch.
3635         */
3636        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3637                "search_min_clicks_for_source_ranking";
3638        /**
3639         * The maximum number of shortcuts shown by GlobalSearch.
3640         */
3641        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3642        /**
3643         * The size of the core thread pool for suggestion queries in GlobalSearch.
3644         */
3645        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3646                "search_query_thread_core_pool_size";
3647        /**
3648         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3649         */
3650        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3651                "search_query_thread_max_pool_size";
3652        /**
3653         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3654         */
3655        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3656                "search_shortcut_refresh_core_pool_size";
3657        /**
3658         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3659         */
3660        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3661                "search_shortcut_refresh_max_pool_size";
3662        /**
3663         * The maximun time that excess threads in the GlobalSeach thread pools will
3664         * wait before terminating.
3665         */
3666        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3667                "search_thread_keepalive_seconds";
3668        /**
3669         * The maximum number of concurrent suggestion queries to each source.
3670         */
3671        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3672                "search_per_source_concurrent_query_limit";
3673        /**
3674         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3675         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3676         * will never display the "Report" button.
3677         * Type: int ( 0 = disallow, 1 = allow )
3678         */
3679        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3680
3681        /**
3682         * Maximum size of /proc/last_kmsg content to upload after reboot.
3683         */
3684        public static final String LAST_KMSG_KB = "last_kmsg_kb";
3685
3686        /**
3687         * Maximum age of entries kept by {@link android.os.IDropBox}.
3688         */
3689        public static final String DROPBOX_AGE_SECONDS =
3690                "dropbox_age_seconds";
3691        /**
3692         * Maximum amount of disk space used by {@link android.os.IDropBox} no matter what.
3693         */
3694        public static final String DROPBOX_QUOTA_KB =
3695                "dropbox_quota_kb";
3696        /**
3697         * Percent of free disk (excluding reserve) which {@link android.os.IDropBox} will use.
3698         */
3699        public static final String DROPBOX_QUOTA_PERCENT =
3700                "dropbox_quota_percent";
3701        /**
3702         * Percent of total disk which {@link android.os.IDropBox} will never dip into.
3703         */
3704        public static final String DROPBOX_RESERVE_PERCENT =
3705                "dropbox_reserve_percent";
3706        /**
3707         * Prefix for per-tag dropbox disable/enable settings.
3708         */
3709        public static final String DROPBOX_TAG_PREFIX =
3710                "dropbox:";
3711
3712        /**
3713         * Nonzero causes Log.wtf() to crash.
3714         */
3715        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3716
3717        /**
3718         * The length of time in milli-seconds that automatic small adjustments to
3719         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3720         */
3721        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3722
3723        /**
3724         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3725         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3726         * exceeded.
3727         */
3728        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3729
3730        /**
3731         * @deprecated
3732         * @hide
3733         */
3734        @Deprecated  // Obviated by NameValueCache: just fetch the value directly.
3735        public static class QueryMap extends ContentQueryMap {
3736
3737            public QueryMap(ContentResolver contentResolver, Cursor cursor, boolean keepUpdated,
3738                    Handler handlerForUpdateNotifications) {
3739                super(cursor, NAME, keepUpdated, handlerForUpdateNotifications);
3740            }
3741
3742            public QueryMap(ContentResolver contentResolver, boolean keepUpdated,
3743                    Handler handlerForUpdateNotifications) {
3744                this(contentResolver,
3745                        contentResolver.query(CONTENT_URI, null, null, null, null),
3746                        keepUpdated, handlerForUpdateNotifications);
3747            }
3748
3749            public String getString(String name) {
3750                ContentValues cv = getValues(name);
3751                if (cv == null) return null;
3752                return cv.getAsString(VALUE);
3753            }
3754        }
3755
3756    }
3757
3758    /**
3759     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3760     * Intent URL, allowing it to be either a web page or a particular
3761     * application activity.
3762     *
3763     * @hide
3764     */
3765    public static final class Bookmarks implements BaseColumns
3766    {
3767        private static final String TAG = "Bookmarks";
3768
3769        /**
3770         * The content:// style URL for this table
3771         */
3772        public static final Uri CONTENT_URI =
3773            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3774
3775        /**
3776         * The row ID.
3777         * <p>Type: INTEGER</p>
3778         */
3779        public static final String ID = "_id";
3780
3781        /**
3782         * Descriptive name of the bookmark that can be displayed to the user.
3783         * If this is empty, the title should be resolved at display time (use
3784         * {@link #getTitle(Context, Cursor)} any time you want to display the
3785         * title of a bookmark.)
3786         * <P>
3787         * Type: TEXT
3788         * </P>
3789         */
3790        public static final String TITLE = "title";
3791
3792        /**
3793         * Arbitrary string (displayed to the user) that allows bookmarks to be
3794         * organized into categories.  There are some special names for
3795         * standard folders, which all start with '@'.  The label displayed for
3796         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3797         * the folder name does not change so you can consistently query for
3798         * the folder regardless of the current locale.
3799         *
3800         * <P>Type: TEXT</P>
3801         *
3802         */
3803        public static final String FOLDER = "folder";
3804
3805        /**
3806         * The Intent URL of the bookmark, describing what it points to.  This
3807         * value is given to {@link android.content.Intent#getIntent} to create
3808         * an Intent that can be launched.
3809         * <P>Type: TEXT</P>
3810         */
3811        public static final String INTENT = "intent";
3812
3813        /**
3814         * Optional shortcut character associated with this bookmark.
3815         * <P>Type: INTEGER</P>
3816         */
3817        public static final String SHORTCUT = "shortcut";
3818
3819        /**
3820         * The order in which the bookmark should be displayed
3821         * <P>Type: INTEGER</P>
3822         */
3823        public static final String ORDERING = "ordering";
3824
3825        private static final String[] sIntentProjection = { INTENT };
3826        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3827        private static final String sShortcutSelection = SHORTCUT + "=?";
3828
3829        /**
3830         * Convenience function to retrieve the bookmarked Intent for a
3831         * particular shortcut key.
3832         *
3833         * @param cr The ContentResolver to query.
3834         * @param shortcut The shortcut key.
3835         *
3836         * @return Intent The bookmarked URL, or null if there is no bookmark
3837         *         matching the given shortcut.
3838         */
3839        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3840        {
3841            Intent intent = null;
3842
3843            Cursor c = cr.query(CONTENT_URI,
3844                    sIntentProjection, sShortcutSelection,
3845                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3846            // Keep trying until we find a valid shortcut
3847            try {
3848                while (intent == null && c.moveToNext()) {
3849                    try {
3850                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3851                        intent = Intent.getIntent(intentURI);
3852                    } catch (java.net.URISyntaxException e) {
3853                        // The stored URL is bad...  ignore it.
3854                    } catch (IllegalArgumentException e) {
3855                        // Column not found
3856                        Log.w(TAG, "Intent column not found", e);
3857                    }
3858                }
3859            } finally {
3860                if (c != null) c.close();
3861            }
3862
3863            return intent;
3864        }
3865
3866        /**
3867         * Add a new bookmark to the system.
3868         *
3869         * @param cr The ContentResolver to query.
3870         * @param intent The desired target of the bookmark.
3871         * @param title Bookmark title that is shown to the user; null if none
3872         *            or it should be resolved to the intent's title.
3873         * @param folder Folder in which to place the bookmark; null if none.
3874         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3875         *            this is non-zero and there is an existing bookmark entry
3876         *            with this same shortcut, then that existing shortcut is
3877         *            cleared (the bookmark is not removed).
3878         * @return The unique content URL for the new bookmark entry.
3879         */
3880        public static Uri add(ContentResolver cr,
3881                                           Intent intent,
3882                                           String title,
3883                                           String folder,
3884                                           char shortcut,
3885                                           int ordering)
3886        {
3887            // If a shortcut is supplied, and it is already defined for
3888            // another bookmark, then remove the old definition.
3889            if (shortcut != 0) {
3890                Cursor c = cr.query(CONTENT_URI,
3891                        sShortcutProjection, sShortcutSelection,
3892                        new String[] { String.valueOf((int) shortcut) }, null);
3893                try {
3894                    if (c.moveToFirst()) {
3895                        while (c.getCount() > 0) {
3896                            if (!c.deleteRow()) {
3897                                Log.w(TAG, "Could not delete existing shortcut row");
3898                            }
3899                        }
3900                    }
3901                } finally {
3902                    if (c != null) c.close();
3903                }
3904            }
3905
3906            ContentValues values = new ContentValues();
3907            if (title != null) values.put(TITLE, title);
3908            if (folder != null) values.put(FOLDER, folder);
3909            values.put(INTENT, intent.toURI());
3910            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3911            values.put(ORDERING, ordering);
3912            return cr.insert(CONTENT_URI, values);
3913        }
3914
3915        /**
3916         * Return the folder name as it should be displayed to the user.  This
3917         * takes care of localizing special folders.
3918         *
3919         * @param r Resources object for current locale; only need access to
3920         *          system resources.
3921         * @param folder The value found in the {@link #FOLDER} column.
3922         *
3923         * @return CharSequence The label for this folder that should be shown
3924         *         to the user.
3925         */
3926        public static CharSequence getLabelForFolder(Resources r, String folder) {
3927            return folder;
3928        }
3929
3930        /**
3931         * Return the title as it should be displayed to the user. This takes
3932         * care of localizing bookmarks that point to activities.
3933         *
3934         * @param context A context.
3935         * @param cursor A cursor pointing to the row whose title should be
3936         *        returned. The cursor must contain at least the {@link #TITLE}
3937         *        and {@link #INTENT} columns.
3938         * @return A title that is localized and can be displayed to the user,
3939         *         or the empty string if one could not be found.
3940         */
3941        public static CharSequence getTitle(Context context, Cursor cursor) {
3942            int titleColumn = cursor.getColumnIndex(TITLE);
3943            int intentColumn = cursor.getColumnIndex(INTENT);
3944            if (titleColumn == -1 || intentColumn == -1) {
3945                throw new IllegalArgumentException(
3946                        "The cursor must contain the TITLE and INTENT columns.");
3947            }
3948
3949            String title = cursor.getString(titleColumn);
3950            if (!TextUtils.isEmpty(title)) {
3951                return title;
3952            }
3953
3954            String intentUri = cursor.getString(intentColumn);
3955            if (TextUtils.isEmpty(intentUri)) {
3956                return "";
3957            }
3958
3959            Intent intent;
3960            try {
3961                intent = Intent.getIntent(intentUri);
3962            } catch (URISyntaxException e) {
3963                return "";
3964            }
3965
3966            PackageManager packageManager = context.getPackageManager();
3967            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3968            return info != null ? info.loadLabel(packageManager) : "";
3969        }
3970    }
3971
3972    /**
3973     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3974     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3975     * from the GoogleLoginService.
3976     *
3977     * @param androidId The Android ID for this device.
3978     * @return The device ID that should be used when connecting to the mobile gtalk server.
3979     * @hide
3980     */
3981    public static String getGTalkDeviceId(long androidId) {
3982        return "android-" + Long.toHexString(androidId);
3983    }
3984}
3985