Settings.java revision 1abf498e7fbd914d12843b3426c1f26bde3b2e79
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.Log;
42
43import java.net.URISyntaxException;
44import java.security.MessageDigest;
45import java.security.NoSuchAlgorithmException;
46import java.util.HashMap;
47import java.util.HashSet;
48
49
50/**
51 * The Settings provider contains global system-level device preferences.
52 */
53public final class Settings {
54
55    // Intent actions for Settings
56
57    /**
58     * Activity Action: Show system settings.
59     * <p>
60     * Input: Nothing.
61     * <p>
62     * Output: nothing.
63     */
64    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
65    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
66
67    /**
68     * Activity Action: Show settings to allow configuration of APNs.
69     * <p>
70     * Input: Nothing.
71     * <p>
72     * Output: nothing.
73     */
74    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
75    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
76
77    /**
78     * Activity Action: Show settings to allow configuration of current location
79     * sources.
80     * <p>
81     * In some cases, a matching Activity may not exist, so ensure you
82     * safeguard against this.
83     * <p>
84     * Input: Nothing.
85     * <p>
86     * Output: Nothing.
87     */
88    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
89    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
90            "android.settings.LOCATION_SOURCE_SETTINGS";
91
92    /**
93     * Activity Action: Show settings to allow configuration of wireless controls
94     * such as Wi-Fi, Bluetooth and Mobile networks.
95     * <p>
96     * In some cases, a matching Activity may not exist, so ensure you
97     * safeguard against this.
98     * <p>
99     * Input: Nothing.
100     * <p>
101     * Output: Nothing.
102     */
103    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
104    public static final String ACTION_WIRELESS_SETTINGS =
105            "android.settings.WIRELESS_SETTINGS";
106
107    /**
108     * Activity Action: Show settings to allow entering/exiting airplane mode.
109     * <p>
110     * In some cases, a matching Activity may not exist, so ensure you
111     * safeguard against this.
112     * <p>
113     * Input: Nothing.
114     * <p>
115     * Output: Nothing.
116     */
117    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
118    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
119            "android.settings.AIRPLANE_MODE_SETTINGS";
120
121    /**
122     * Activity Action: Show settings to allow configuration of security and
123     * location privacy.
124     * <p>
125     * In some cases, a matching Activity may not exist, so ensure you
126     * safeguard against this.
127     * <p>
128     * Input: Nothing.
129     * <p>
130     * Output: Nothing.
131     */
132    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
133    public static final String ACTION_SECURITY_SETTINGS =
134            "android.settings.SECURITY_SETTINGS";
135
136    /**
137     * Activity Action: Show settings to allow configuration of Wi-Fi.
138
139     * <p>
140     * In some cases, a matching Activity may not exist, so ensure you
141     * safeguard against this.
142     * <p>
143     * Input: Nothing.
144     * <p>
145     * Output: Nothing.
146
147     */
148    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
149    public static final String ACTION_WIFI_SETTINGS =
150            "android.settings.WIFI_SETTINGS";
151
152    /**
153     * Activity Action: Show settings to allow configuration of a static IP
154     * address for Wi-Fi.
155     * <p>
156     * In some cases, a matching Activity may not exist, so ensure you safeguard
157     * 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_WIFI_IP_SETTINGS =
165            "android.settings.WIFI_IP_SETTINGS";
166
167    /**
168     * Activity Action: Show settings to allow configuration of Bluetooth.
169     * <p>
170     * In some cases, a matching Activity may not exist, so ensure you
171     * safeguard against this.
172     * <p>
173     * Input: Nothing.
174     * <p>
175     * Output: Nothing.
176     */
177    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
178    public static final String ACTION_BLUETOOTH_SETTINGS =
179            "android.settings.BLUETOOTH_SETTINGS";
180
181    /**
182     * Activity Action: Show settings to allow configuration of date and time.
183     * <p>
184     * In some cases, a matching Activity may not exist, so ensure you
185     * safeguard against this.
186     * <p>
187     * Input: Nothing.
188     * <p>
189     * Output: Nothing.
190     */
191    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
192    public static final String ACTION_DATE_SETTINGS =
193            "android.settings.DATE_SETTINGS";
194
195    /**
196     * Activity Action: Show settings to allow configuration of sound and volume.
197     * <p>
198     * In some cases, a matching Activity may not exist, so ensure you
199     * safeguard against this.
200     * <p>
201     * Input: Nothing.
202     * <p>
203     * Output: Nothing.
204     */
205    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
206    public static final String ACTION_SOUND_SETTINGS =
207            "android.settings.SOUND_SETTINGS";
208
209    /**
210     * Activity Action: Show settings to allow configuration of display.
211     * <p>
212     * In some cases, a matching Activity may not exist, so ensure you
213     * safeguard against this.
214     * <p>
215     * Input: Nothing.
216     * <p>
217     * Output: Nothing.
218     */
219    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
220    public static final String ACTION_DISPLAY_SETTINGS =
221            "android.settings.DISPLAY_SETTINGS";
222
223    /**
224     * Activity Action: Show settings to allow configuration of locale.
225     * <p>
226     * In some cases, a matching Activity may not exist, so ensure you
227     * safeguard against this.
228     * <p>
229     * Input: Nothing.
230     * <p>
231     * Output: Nothing.
232     */
233    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
234    public static final String ACTION_LOCALE_SETTINGS =
235            "android.settings.LOCALE_SETTINGS";
236
237    /**
238     * Activity Action: Show settings to configure input methods, in particular
239     * allowing the user to enable input methods.
240     * <p>
241     * In some cases, a matching Activity may not exist, so ensure you
242     * safeguard against this.
243     * <p>
244     * Input: Nothing.
245     * <p>
246     * Output: Nothing.
247     */
248    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
249    public static final String ACTION_INPUT_METHOD_SETTINGS =
250            "android.settings.INPUT_METHOD_SETTINGS";
251
252    /**
253     * Activity Action: Show settings to manage the user input dictionary.
254     * <p>
255     * In some cases, a matching Activity may not exist, so ensure you
256     * safeguard against this.
257     * <p>
258     * Input: Nothing.
259     * <p>
260     * Output: Nothing.
261     */
262    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
263    public static final String ACTION_USER_DICTIONARY_SETTINGS =
264            "android.settings.USER_DICTIONARY_SETTINGS";
265
266    /**
267     * Activity Action: Show settings to allow configuration of application-related settings.
268     * <p>
269     * In some cases, a matching Activity may not exist, so ensure you
270     * safeguard against this.
271     * <p>
272     * Input: Nothing.
273     * <p>
274     * Output: Nothing.
275     */
276    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
277    public static final String ACTION_APPLICATION_SETTINGS =
278            "android.settings.APPLICATION_SETTINGS";
279
280    /**
281     * Activity Action: Show settings to allow configuration of application
282     * development-related settings.
283     * <p>
284     * In some cases, a matching Activity may not exist, so ensure you safeguard
285     * against this.
286     * <p>
287     * Input: Nothing.
288     * <p>
289     * Output: Nothing.
290     */
291    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
292    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
293            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
294
295    /**
296     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
297     * <p>
298     * In some cases, a matching Activity may not exist, so ensure you
299     * safeguard against this.
300     * <p>
301     * Input: Nothing.
302     * <p>
303     * Output: Nothing.
304     */
305    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
306    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
307            "android.settings.QUICK_LAUNCH_SETTINGS";
308
309    /**
310     * Activity Action: Show settings to manage installed applications.
311     * <p>
312     * In some cases, a matching Activity may not exist, so ensure you
313     * safeguard against this.
314     * <p>
315     * Input: Nothing.
316     * <p>
317     * Output: Nothing.
318     */
319    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
320    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
321            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
322
323    /**
324     * Activity Action: Show settings for system update functionality.
325     * <p>
326     * In some cases, a matching Activity may not exist, so ensure you
327     * safeguard against this.
328     * <p>
329     * Input: Nothing.
330     * <p>
331     * Output: Nothing.
332     *
333     * @hide
334     */
335    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
336    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
337            "android.settings.SYSTEM_UPDATE_SETTINGS";
338
339    /**
340     * Activity Action: Show settings to allow configuration of sync settings.
341     * <p>
342     * In some cases, a matching Activity may not exist, so ensure you
343     * safeguard against this.
344     * <p>
345     * Input: Nothing.
346     * <p>
347     * Output: Nothing.
348     */
349    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
350    public static final String ACTION_SYNC_SETTINGS =
351            "android.settings.SYNC_SETTINGS";
352
353    /**
354     * Activity Action: Show settings for selecting the network operator.
355     * <p>
356     * In some cases, a matching Activity may not exist, so ensure you
357     * safeguard against this.
358     * <p>
359     * Input: Nothing.
360     * <p>
361     * Output: Nothing.
362     */
363    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
364    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
365            "android.settings.NETWORK_OPERATOR_SETTINGS";
366
367    /**
368     * Activity Action: Show settings for selection of 2G/3G.
369     * <p>
370     * In some cases, a matching Activity may not exist, so ensure you
371     * safeguard against this.
372     * <p>
373     * Input: Nothing.
374     * <p>
375     * Output: Nothing.
376     */
377    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
378    public static final String ACTION_DATA_ROAMING_SETTINGS =
379            "android.settings.DATA_ROAMING_SETTINGS";
380
381    /**
382     * Activity Action: Show settings for internal storage.
383     * <p>
384     * In some cases, a matching Activity may not exist, so ensure you
385     * safeguard against this.
386     * <p>
387     * Input: Nothing.
388     * <p>
389     * Output: Nothing.
390     */
391    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
392    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
393            "android.settings.INTERNAL_STORAGE_SETTINGS";
394    /**
395     * Activity Action: Show settings for memory card storage.
396     * <p>
397     * In some cases, a matching Activity may not exist, so ensure you
398     * safeguard against this.
399     * <p>
400     * Input: Nothing.
401     * <p>
402     * Output: Nothing.
403     */
404    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
405    public static final String ACTION_MEMORY_CARD_SETTINGS =
406            "android.settings.MEMORY_CARD_SETTINGS";
407
408    // End of Intent actions for Settings
409
410    private static final String JID_RESOURCE_PREFIX = "android";
411
412    public static final String AUTHORITY = "settings";
413
414    private static final String TAG = "Settings";
415
416    public static class SettingNotFoundException extends AndroidException {
417        public SettingNotFoundException(String msg) {
418            super(msg);
419        }
420    }
421
422    /**
423     * Common base for tables of name/value settings.
424     */
425    public static class NameValueTable implements BaseColumns {
426        public static final String NAME = "name";
427        public static final String VALUE = "value";
428
429        protected static boolean putString(ContentResolver resolver, Uri uri,
430                String name, String value) {
431            // The database will take care of replacing duplicates.
432            try {
433                ContentValues values = new ContentValues();
434                values.put(NAME, name);
435                values.put(VALUE, value);
436                resolver.insert(uri, values);
437                return true;
438            } catch (SQLException e) {
439                Log.e(TAG, "Can't set key " + name + " in " + uri, e);
440                return false;
441            }
442        }
443
444        public static Uri getUriFor(Uri uri, String name) {
445            return Uri.withAppendedPath(uri, name);
446        }
447    }
448
449    private static class NameValueCache {
450        private final String mVersionSystemProperty;
451        private final HashMap<String, String> mValues = Maps.newHashMap();
452        private long mValuesVersion = 0;
453        private final Uri mUri;
454
455        NameValueCache(String versionSystemProperty, Uri uri) {
456            mVersionSystemProperty = versionSystemProperty;
457            mUri = uri;
458        }
459
460        String getString(ContentResolver cr, String name) {
461            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
462            if (mValuesVersion != newValuesVersion) {
463                mValues.clear();
464                mValuesVersion = newValuesVersion;
465            }
466            if (!mValues.containsKey(name)) {
467                String value = null;
468                Cursor c = null;
469                try {
470                    c = cr.query(mUri, new String[] { Settings.NameValueTable.VALUE },
471                            Settings.NameValueTable.NAME + "=?", new String[]{name}, null);
472                    if (c != null && c.moveToNext()) value = c.getString(0);
473                    mValues.put(name, value);
474                } catch (SQLException e) {
475                    // SQL error: return null, but don't cache it.
476                    Log.e(TAG, "Can't get key " + name + " from " + mUri, e);
477                } finally {
478                    if (c != null) c.close();
479                }
480                return value;
481            } else {
482                return mValues.get(name);
483            }
484        }
485    }
486
487    /**
488     * System settings, containing miscellaneous system preferences.  This
489     * table holds simple name/value pairs.  There are convenience
490     * functions for accessing individual settings entries.
491     */
492    public static final class System extends NameValueTable {
493        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
494
495        private static volatile NameValueCache mNameValueCache = null;
496
497        private static final HashSet<String> MOVED_TO_SECURE;
498        static {
499            MOVED_TO_SECURE = new HashSet<String>(30);
500            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
501            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
502            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
503            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
504            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
505            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
506            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
507            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
508            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
509            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
510            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
511            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
512            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
513            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
514            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
515            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
516            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
517            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
518            MOVED_TO_SECURE.add(Secure.WIFI_ON);
519            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
520            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
521            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
522            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
523            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
524            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
525            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
526            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
527            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
528            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
529            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
530        }
531
532        /**
533         * Look up a name in the database.
534         * @param resolver to access the database with
535         * @param name to look up in the table
536         * @return the corresponding value, or null if not present
537         */
538        public synchronized static String getString(ContentResolver resolver, String name) {
539            if (MOVED_TO_SECURE.contains(name)) {
540                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
541                        + " to android.provider.Settings.Secure, returning read-only value.");
542                return Secure.getString(resolver, name);
543            }
544            if (mNameValueCache == null) {
545                mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
546            }
547            return mNameValueCache.getString(resolver, name);
548        }
549
550        /**
551         * Store a name/value pair into the database.
552         * @param resolver to access the database with
553         * @param name to store
554         * @param value to associate with the name
555         * @return true if the value was set, false on database errors
556         */
557        public static boolean putString(ContentResolver resolver, String name, String value) {
558            if (MOVED_TO_SECURE.contains(name)) {
559                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
560                        + " to android.provider.Settings.Secure, value is unchanged.");
561                return false;
562            }
563            return putString(resolver, CONTENT_URI, name, value);
564        }
565
566        /**
567         * Construct the content URI for a particular name/value pair,
568         * useful for monitoring changes with a ContentObserver.
569         * @param name to look up in the table
570         * @return the corresponding content URI, or null if not present
571         */
572        public static Uri getUriFor(String name) {
573            if (MOVED_TO_SECURE.contains(name)) {
574                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
575                    + " to android.provider.Settings.Secure, returning Secure URI.");
576                return Secure.getUriFor(Secure.CONTENT_URI, name);
577            }
578            return getUriFor(CONTENT_URI, name);
579        }
580
581        /**
582         * Convenience function for retrieving a single system settings value
583         * as an integer.  Note that internally setting values are always
584         * stored as strings; this function converts the string to an integer
585         * for you.  The default value will be returned if the setting is
586         * not defined or not an integer.
587         *
588         * @param cr The ContentResolver to access.
589         * @param name The name of the setting to retrieve.
590         * @param def Value to return if the setting is not defined.
591         *
592         * @return The setting's current value, or 'def' if it is not defined
593         * or not a valid integer.
594         */
595        public static int getInt(ContentResolver cr, String name, int def) {
596            String v = getString(cr, name);
597            try {
598                return v != null ? Integer.parseInt(v) : def;
599            } catch (NumberFormatException e) {
600                return def;
601            }
602        }
603
604        /**
605         * Convenience function for retrieving a single system settings value
606         * as an integer.  Note that internally setting values are always
607         * stored as strings; this function converts the string to an integer
608         * for you.
609         * <p>
610         * This version does not take a default value.  If the setting has not
611         * been set, or the string value is not a number,
612         * it throws {@link SettingNotFoundException}.
613         *
614         * @param cr The ContentResolver to access.
615         * @param name The name of the setting to retrieve.
616         *
617         * @throws SettingNotFoundException Thrown if a setting by the given
618         * name can't be found or the setting value is not an integer.
619         *
620         * @return The setting's current value.
621         */
622        public static int getInt(ContentResolver cr, String name)
623                throws SettingNotFoundException {
624            String v = getString(cr, name);
625            try {
626                return Integer.parseInt(v);
627            } catch (NumberFormatException e) {
628                throw new SettingNotFoundException(name);
629            }
630        }
631
632        /**
633         * Convenience function for updating a single settings value as an
634         * integer. This will either create a new entry in the table if the
635         * given name does not exist, or modify the value of the existing row
636         * with that name.  Note that internally setting values are always
637         * stored as strings, so this function converts the given value to a
638         * string before storing it.
639         *
640         * @param cr The ContentResolver to access.
641         * @param name The name of the setting to modify.
642         * @param value The new value for the setting.
643         * @return true if the value was set, false on database errors
644         */
645        public static boolean putInt(ContentResolver cr, String name, int value) {
646            return putString(cr, name, Integer.toString(value));
647        }
648
649        /**
650         * Convenience function for retrieving a single system settings value
651         * as a {@code long}.  Note that internally setting values are always
652         * stored as strings; this function converts the string to a {@code long}
653         * for you.  The default value will be returned if the setting is
654         * not defined or not a {@code long}.
655         *
656         * @param cr The ContentResolver to access.
657         * @param name The name of the setting to retrieve.
658         * @param def Value to return if the setting is not defined.
659         *
660         * @return The setting's current value, or 'def' if it is not defined
661         * or not a valid {@code long}.
662         */
663        public static long getLong(ContentResolver cr, String name, long def) {
664            String valString = getString(cr, name);
665            long value;
666            try {
667                value = valString != null ? Long.parseLong(valString) : def;
668            } catch (NumberFormatException e) {
669                value = def;
670            }
671            return value;
672        }
673
674        /**
675         * Convenience function for retrieving a single system settings value
676         * as a {@code long}.  Note that internally setting values are always
677         * stored as strings; this function converts the string to a {@code long}
678         * for you.
679         * <p>
680         * This version does not take a default value.  If the setting has not
681         * been set, or the string value is not a number,
682         * it throws {@link SettingNotFoundException}.
683         *
684         * @param cr The ContentResolver to access.
685         * @param name The name of the setting to retrieve.
686         *
687         * @return The setting's current value.
688         * @throws SettingNotFoundException Thrown if a setting by the given
689         * name can't be found or the setting value is not an integer.
690         */
691        public static long getLong(ContentResolver cr, String name)
692                throws SettingNotFoundException {
693            String valString = getString(cr, name);
694            try {
695                return Long.parseLong(valString);
696            } catch (NumberFormatException e) {
697                throw new SettingNotFoundException(name);
698            }
699        }
700
701        /**
702         * Convenience function for updating a single settings value as a long
703         * integer. This will either create a new entry in the table if the
704         * given name does not exist, or modify the value of the existing row
705         * with that name.  Note that internally setting values are always
706         * stored as strings, so this function converts the given value to a
707         * string before storing it.
708         *
709         * @param cr The ContentResolver to access.
710         * @param name The name of the setting to modify.
711         * @param value The new value for the setting.
712         * @return true if the value was set, false on database errors
713         */
714        public static boolean putLong(ContentResolver cr, String name, long value) {
715            return putString(cr, name, Long.toString(value));
716        }
717
718        /**
719         * Convenience function for retrieving a single system settings value
720         * as a floating point number.  Note that internally setting values are
721         * always stored as strings; this function converts the string to an
722         * float for you. The default value will be returned if the setting
723         * is not defined or not a valid float.
724         *
725         * @param cr The ContentResolver to access.
726         * @param name The name of the setting to retrieve.
727         * @param def Value to return if the setting is not defined.
728         *
729         * @return The setting's current value, or 'def' if it is not defined
730         * or not a valid float.
731         */
732        public static float getFloat(ContentResolver cr, String name, float def) {
733            String v = getString(cr, name);
734            try {
735                return v != null ? Float.parseFloat(v) : def;
736            } catch (NumberFormatException e) {
737                return def;
738            }
739        }
740
741        /**
742         * Convenience function for retrieving a single system settings value
743         * as a float.  Note that internally setting values are always
744         * stored as strings; this function converts the string to a float
745         * for you.
746         * <p>
747         * This version does not take a default value.  If the setting has not
748         * been set, or the string value is not a number,
749         * it throws {@link SettingNotFoundException}.
750         *
751         * @param cr The ContentResolver to access.
752         * @param name The name of the setting to retrieve.
753         *
754         * @throws SettingNotFoundException Thrown if a setting by the given
755         * name can't be found or the setting value is not a float.
756         *
757         * @return The setting's current value.
758         */
759        public static float getFloat(ContentResolver cr, String name)
760                throws SettingNotFoundException {
761            String v = getString(cr, name);
762            try {
763                return Float.parseFloat(v);
764            } catch (NumberFormatException e) {
765                throw new SettingNotFoundException(name);
766            }
767        }
768
769        /**
770         * Convenience function for updating a single settings value as a
771         * floating point number. This will either create a new entry in the
772         * table if the given name does not exist, or modify the value of the
773         * existing row with that name.  Note that internally setting values
774         * are always stored as strings, so this function converts the given
775         * value to a string before storing it.
776         *
777         * @param cr The ContentResolver to access.
778         * @param name The name of the setting to modify.
779         * @param value The new value for the setting.
780         * @return true if the value was set, false on database errors
781         */
782        public static boolean putFloat(ContentResolver cr, String name, float value) {
783            return putString(cr, name, Float.toString(value));
784        }
785
786        /**
787         * Convenience function to read all of the current
788         * configuration-related settings into a
789         * {@link Configuration} object.
790         *
791         * @param cr The ContentResolver to access.
792         * @param outConfig Where to place the configuration settings.
793         */
794        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
795            outConfig.fontScale = Settings.System.getFloat(
796                cr, FONT_SCALE, outConfig.fontScale);
797            if (outConfig.fontScale < 0) {
798                outConfig.fontScale = 1;
799            }
800        }
801
802        /**
803         * Convenience function to write a batch of configuration-related
804         * settings from a {@link Configuration} object.
805         *
806         * @param cr The ContentResolver to access.
807         * @param config The settings to write.
808         * @return true if the values were set, false on database errors
809         */
810        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
811            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
812        }
813
814        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
815            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
816        }
817
818        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
819            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
820        }
821
822        /**
823         * The content:// style URL for this table
824         */
825        public static final Uri CONTENT_URI =
826            Uri.parse("content://" + AUTHORITY + "/system");
827
828        /**
829         * Whether we keep the device on while the device is plugged in.
830         * Supported values are:
831         * <ul>
832         * <li>{@code 0} to never stay on while plugged in</li>
833         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
834         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
835         * </ul>
836         * These values can be OR-ed together.
837         */
838        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
839
840        /**
841         * What happens when the user presses the end call button if they're not
842         * on a call.<br/>
843         * <b>Values:</b><br/>
844         * 0 - The end button does nothing.<br/>
845         * 1 - The end button goes to the home screen.<br/>
846         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
847         * 3 - The end button goes to the home screen.  If the user is already on the
848         * home screen, it puts the device to sleep.
849         */
850        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
851
852        /**
853         * Whether Airplane Mode is on.
854         */
855        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
856
857        /**
858         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
859         */
860        public static final String RADIO_BLUETOOTH = "bluetooth";
861
862        /**
863         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
864         */
865        public static final String RADIO_WIFI = "wifi";
866
867        /**
868         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
869         */
870        public static final String RADIO_CELL = "cell";
871
872        /**
873         * A comma separated list of radios that need to be disabled when airplane mode
874         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
875         * included in the comma separated list.
876         */
877        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
878
879        /**
880         * A comma separated list of radios that should to be disabled when airplane mode
881         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
882         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
883         * will be turned off when entering airplane mode, but the user will be able to reenable
884         * Wifi in the Settings app.
885         *
886         * {@hide}
887         */
888        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
889
890        /**
891         * The policy for deciding when Wi-Fi should go to sleep (which will in
892         * turn switch to using the mobile data as an Internet connection).
893         * <p>
894         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
895         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
896         * {@link #WIFI_SLEEP_POLICY_NEVER}.
897         */
898        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
899
900        /**
901         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
902         * policy, which is to sleep shortly after the turning off
903         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
904         */
905        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
906
907        /**
908         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
909         * the device is on battery, and never go to sleep when the device is
910         * plugged in.
911         */
912        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
913
914        /**
915         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
916         */
917        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
918
919        /**
920         * Whether to use static IP and other static network attributes.
921         * <p>
922         * Set to 1 for true and 0 for false.
923         */
924        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
925
926        /**
927         * The static IP address.
928         * <p>
929         * Example: "192.168.1.51"
930         */
931        public static final String WIFI_STATIC_IP = "wifi_static_ip";
932
933        /**
934         * If using static IP, the gateway's IP address.
935         * <p>
936         * Example: "192.168.1.1"
937         */
938        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
939
940        /**
941         * If using static IP, the net mask.
942         * <p>
943         * Example: "255.255.255.0"
944         */
945        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
946
947        /**
948         * If using static IP, the primary DNS's IP address.
949         * <p>
950         * Example: "192.168.1.1"
951         */
952        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
953
954        /**
955         * If using static IP, the secondary DNS's IP address.
956         * <p>
957         * Example: "192.168.1.2"
958         */
959        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
960
961        /**
962         * The number of radio channels that are allowed in the local
963         * 802.11 regulatory domain.
964         * @hide
965         */
966        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
967
968        /**
969         * Determines whether remote devices may discover and/or connect to
970         * this device.
971         * <P>Type: INT</P>
972         * 2 -- discoverable and connectable
973         * 1 -- connectable but not discoverable
974         * 0 -- neither connectable nor discoverable
975         */
976        public static final String BLUETOOTH_DISCOVERABILITY =
977            "bluetooth_discoverability";
978
979        /**
980         * Bluetooth discoverability timeout.  If this value is nonzero, then
981         * Bluetooth becomes discoverable for a certain number of seconds,
982         * after which is becomes simply connectable.  The value is in seconds.
983         */
984        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
985            "bluetooth_discoverability_timeout";
986
987        /**
988         * Whether autolock is enabled (0 = false, 1 = true)
989         */
990        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
991
992        /**
993         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
994         */
995        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
996
997        /**
998         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
999         */
1000        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1001            "lock_pattern_tactile_feedback_enabled";
1002
1003
1004        /**
1005         * A formatted string of the next alarm that is set, or the empty string
1006         * if there is no alarm set.
1007         */
1008        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1009
1010        /**
1011         * Scaling factor for fonts, float.
1012         */
1013        public static final String FONT_SCALE = "font_scale";
1014
1015        /**
1016         * Name of an application package to be debugged.
1017         */
1018        public static final String DEBUG_APP = "debug_app";
1019
1020        /**
1021         * If 1, when launching DEBUG_APP it will wait for the debugger before
1022         * starting user code.  If 0, it will run normally.
1023         */
1024        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1025
1026        /**
1027         * Whether or not to dim the screen. 0=no  1=yes
1028         */
1029        public static final String DIM_SCREEN = "dim_screen";
1030
1031        /**
1032         * The timeout before the screen turns off.
1033         */
1034        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1035
1036        /**
1037         * If 0, the compatibility mode is off for all applications.
1038         * If 1, older applications run under compatibility mode.
1039         * TODO: remove this settings before code freeze (bug/1907571)
1040         * @hide
1041         */
1042        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1043
1044        /**
1045         * The screen backlight brightness between 0 and 255.
1046         */
1047        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1048
1049        /**
1050         * Control whether the process CPU usage meter should be shown.
1051         */
1052        public static final String SHOW_PROCESSES = "show_processes";
1053
1054        /**
1055         * If 1, the activity manager will aggressively finish activities and
1056         * processes as soon as they are no longer needed.  If 0, the normal
1057         * extended lifetime is used.
1058         */
1059        public static final String ALWAYS_FINISH_ACTIVITIES =
1060                "always_finish_activities";
1061
1062
1063        /**
1064         * Ringer mode. This is used internally, changing this value will not
1065         * change the ringer mode. See AudioManager.
1066         */
1067        public static final String MODE_RINGER = "mode_ringer";
1068
1069        /**
1070         * Determines which streams are affected by ringer mode changes. The
1071         * stream type's bit should be set to 1 if it should be muted when going
1072         * into an inaudible ringer mode.
1073         */
1074        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1075
1076         /**
1077          * Determines which streams are affected by mute. The
1078          * stream type's bit should be set to 1 if it should be muted when a mute request
1079          * is received.
1080          */
1081         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1082
1083        /**
1084         * Whether vibrate is on for different events. This is used internally,
1085         * changing this value will not change the vibrate. See AudioManager.
1086         */
1087        public static final String VIBRATE_ON = "vibrate_on";
1088
1089        /**
1090         * Ringer volume. This is used internally, changing this value will not
1091         * change the volume. See AudioManager.
1092         */
1093        public static final String VOLUME_RING = "volume_ring";
1094
1095        /**
1096         * System/notifications volume. This is used internally, changing this
1097         * value will not change the volume. See AudioManager.
1098         */
1099        public static final String VOLUME_SYSTEM = "volume_system";
1100
1101        /**
1102         * Voice call volume. This is used internally, changing this value will
1103         * not change the volume. See AudioManager.
1104         */
1105        public static final String VOLUME_VOICE = "volume_voice";
1106
1107        /**
1108         * Music/media/gaming volume. This is used internally, changing this
1109         * value will not change the volume. See AudioManager.
1110         */
1111        public static final String VOLUME_MUSIC = "volume_music";
1112
1113        /**
1114         * Alarm volume. This is used internally, changing this
1115         * value will not change the volume. See AudioManager.
1116         */
1117        public static final String VOLUME_ALARM = "volume_alarm";
1118
1119        /**
1120         * Notification volume. This is used internally, changing this
1121         * value will not change the volume. See AudioManager.
1122         */
1123        public static final String VOLUME_NOTIFICATION = "volume_notification";
1124
1125        /**
1126         * Whether the notifications should use the ring volume (value of 1) or
1127         * a separate notification volume (value of 0). In most cases, users
1128         * will have this enabled so the notification and ringer volumes will be
1129         * the same. However, power users can disable this and use the separate
1130         * notification volume control.
1131         * <p>
1132         * Note: This is a one-off setting that will be removed in the future
1133         * when there is profile support. For this reason, it is kept hidden
1134         * from the public APIs.
1135         *
1136         * @hide
1137         */
1138        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1139            "notifications_use_ring_volume";
1140
1141        /**
1142         * The mapping of stream type (integer) to its setting.
1143         */
1144        public static final String[] VOLUME_SETTINGS = {
1145            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1146            VOLUME_ALARM, VOLUME_NOTIFICATION
1147        };
1148
1149        /**
1150         * Appended to various volume related settings to record the previous
1151         * values before they the settings were affected by a silent/vibrate
1152         * ringer mode change.
1153         */
1154        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1155
1156        /**
1157         * Persistent store for the system-wide default ringtone URI.
1158         * <p>
1159         * If you need to play the default ringtone at any given time, it is recommended
1160         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1161         * to the set default ringtone at the time of playing.
1162         *
1163         * @see #DEFAULT_RINGTONE_URI
1164         */
1165        public static final String RINGTONE = "ringtone";
1166
1167        /**
1168         * A {@link Uri} that will point to the current default ringtone at any
1169         * given time.
1170         * <p>
1171         * If the current default ringtone is in the DRM provider and the caller
1172         * does not have permission, the exception will be a
1173         * FileNotFoundException.
1174         */
1175        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1176
1177        /**
1178         * Persistent store for the system-wide default notification sound.
1179         *
1180         * @see #RINGTONE
1181         * @see #DEFAULT_NOTIFICATION_URI
1182         */
1183        public static final String NOTIFICATION_SOUND = "notification_sound";
1184
1185        /**
1186         * A {@link Uri} that will point to the current default notification
1187         * sound at any given time.
1188         *
1189         * @see #DEFAULT_RINGTONE_URI
1190         */
1191        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1192
1193        /**
1194         * Persistent store for the system-wide default alarm alert.
1195         *
1196         * @see #RINGTONE
1197         * @see #DEFAULT_ALARM_ALERT_URI
1198         */
1199        public static final String ALARM_ALERT = "alarm_alert";
1200
1201        /**
1202         * A {@link Uri} that will point to the current default alarm alert at
1203         * any given time.
1204         *
1205         * @see #DEFAULT_ALARM_ALERT_URI
1206         */
1207        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1208
1209        /**
1210         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1211         */
1212        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1213
1214        /**
1215         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1216         */
1217        public static final String TEXT_AUTO_CAPS = "auto_caps";
1218
1219        /**
1220         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1221         * feature converts two spaces to a "." and space.
1222         */
1223        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1224
1225        /**
1226         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1227         */
1228        public static final String TEXT_SHOW_PASSWORD = "show_password";
1229
1230        public static final String SHOW_GTALK_SERVICE_STATUS =
1231                "SHOW_GTALK_SERVICE_STATUS";
1232
1233        /**
1234         * Name of activity to use for wallpaper on the home screen.
1235         */
1236        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1237
1238        /**
1239         * Value to specify if the user prefers the date, time and time zone
1240         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1241         */
1242        public static final String AUTO_TIME = "auto_time";
1243
1244        /**
1245         * Display times as 12 or 24 hours
1246         *   12
1247         *   24
1248         */
1249        public static final String TIME_12_24 = "time_12_24";
1250
1251        /**
1252         * Date format string
1253         *   mm/dd/yyyy
1254         *   dd/mm/yyyy
1255         *   yyyy/mm/dd
1256         */
1257        public static final String DATE_FORMAT = "date_format";
1258
1259        /**
1260         * Whether the setup wizard has been run before (on first boot), or if
1261         * it still needs to be run.
1262         *
1263         * nonzero = it has been run in the past
1264         * 0 = it has not been run in the past
1265         */
1266        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1267
1268        /**
1269         * Scaling factor for normal window animations. Setting to 0 will disable window
1270         * animations.
1271         */
1272        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1273
1274        /**
1275         * Scaling factor for activity transition animations. Setting to 0 will disable window
1276         * animations.
1277         */
1278        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1279
1280        /**
1281         * Scaling factor for normal window animations. Setting to 0 will disable window
1282         * animations.
1283         * @hide
1284         */
1285        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1286
1287        /**
1288         * Control whether the accelerometer will be used to change screen
1289         * orientation.  If 0, it will not be used unless explicitly requested
1290         * by the application; if 1, it will be used by default unless explicitly
1291         * disabled by the application.
1292         */
1293        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1294
1295        /**
1296         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1297         * boolean (1 or 0).
1298         */
1299        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1300
1301        /**
1302         * CDMA only settings
1303         * DTMF tone type played by the dialer when dialing.
1304         *                 0 = Normal
1305         *                 1 = Long
1306         * @hide
1307         */
1308        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1309
1310        /**
1311         * CDMA only settings
1312         * Emergency Tone  0 = Off
1313         *                 1 = Alert
1314         *                 2 = Vibrate
1315         * @hide
1316         */
1317        public static final String EMERGENCY_TONE = "emergency_tone";
1318
1319        /**
1320         * CDMA only settings
1321         * Whether the auto retry is enabled. The value is
1322         * boolean (1 or 0).
1323         * @hide
1324         */
1325        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1326
1327        /**
1328         * Whether the hearing aid is enabled. The value is
1329         * boolean (1 or 0).
1330         * @hide
1331         */
1332        public static final String HEARING_AID = "hearing_aid";
1333
1334        /**
1335         * CDMA only settings
1336         * TTY Mode
1337         * 0 = OFF
1338         * 1 = FULL
1339         * 2 = VCO
1340         * 3 = HCO
1341         * @hide
1342         */
1343        public static final String TTY_MODE = "tty_mode";
1344
1345        /**
1346         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1347         * boolean (1 or 0).
1348         */
1349        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1350
1351        /**
1352         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1353         * boolean (1 or 0).
1354         */
1355        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1356
1357        /**
1358         * Whether live web suggestions while the user types into search dialogs are
1359         * enabled. Browsers and other search UIs should respect this, as it allows
1360         * a user to avoid sending partial queries to a search engine, if it poses
1361         * any privacy concern. The value is boolean (1 or 0).
1362         */
1363        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1364
1365        /**
1366         * Settings to backup. This is here so that it's in the same place as the settings
1367         * keys and easy to update.
1368         * @hide
1369         */
1370        public static final String[] SETTINGS_TO_BACKUP = {
1371            STAY_ON_WHILE_PLUGGED_IN,
1372            END_BUTTON_BEHAVIOR,
1373            WIFI_SLEEP_POLICY,
1374            WIFI_USE_STATIC_IP,
1375            WIFI_STATIC_IP,
1376            WIFI_STATIC_GATEWAY,
1377            WIFI_STATIC_NETMASK,
1378            WIFI_STATIC_DNS1,
1379            WIFI_STATIC_DNS2,
1380            BLUETOOTH_DISCOVERABILITY,
1381            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1382            DIM_SCREEN,
1383            SCREEN_OFF_TIMEOUT,
1384            SCREEN_BRIGHTNESS,
1385            VIBRATE_ON,
1386            NOTIFICATIONS_USE_RING_VOLUME,
1387            MODE_RINGER,
1388            MODE_RINGER_STREAMS_AFFECTED,
1389            MUTE_STREAMS_AFFECTED,
1390            VOLUME_VOICE,
1391            VOLUME_SYSTEM,
1392            VOLUME_RING,
1393            VOLUME_MUSIC,
1394            VOLUME_ALARM,
1395            VOLUME_NOTIFICATION,
1396            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1397            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
1398            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
1399            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
1400            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
1401            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
1402            TEXT_AUTO_REPLACE,
1403            TEXT_AUTO_CAPS,
1404            TEXT_AUTO_PUNCTUATE,
1405            TEXT_SHOW_PASSWORD,
1406            AUTO_TIME,
1407            TIME_12_24,
1408            DATE_FORMAT,
1409            ACCELEROMETER_ROTATION,
1410            DTMF_TONE_WHEN_DIALING,
1411            DTMF_TONE_TYPE_WHEN_DIALING,
1412            EMERGENCY_TONE,
1413            CALL_AUTO_RETRY,
1414            HEARING_AID,
1415            TTY_MODE,
1416            SOUND_EFFECTS_ENABLED,
1417            HAPTIC_FEEDBACK_ENABLED,
1418            SHOW_WEB_SUGGESTIONS
1419        };
1420
1421        // Settings moved to Settings.Secure
1422
1423        /**
1424         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
1425         * instead
1426         */
1427        @Deprecated
1428        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
1429
1430        /**
1431         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
1432         */
1433        @Deprecated
1434        public static final String ANDROID_ID = Secure.ANDROID_ID;
1435
1436        /**
1437         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
1438         */
1439        @Deprecated
1440        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
1441
1442        /**
1443         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
1444         */
1445        @Deprecated
1446        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
1447
1448        /**
1449         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
1450         */
1451        @Deprecated
1452        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
1453
1454        /**
1455         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
1456         */
1457        @Deprecated
1458        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
1459
1460        /**
1461         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
1462         */
1463        @Deprecated
1464        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
1465
1466        /**
1467         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
1468         * instead
1469         */
1470        @Deprecated
1471        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
1472
1473        /**
1474         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
1475         */
1476        @Deprecated
1477        public static final String LOGGING_ID = Secure.LOGGING_ID;
1478
1479        /**
1480         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
1481         */
1482        @Deprecated
1483        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
1484
1485        /**
1486         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
1487         * instead
1488         */
1489        @Deprecated
1490        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
1491
1492        /**
1493         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
1494         * instead
1495         */
1496        @Deprecated
1497        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
1498
1499        /**
1500         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
1501         * instead
1502         */
1503        @Deprecated
1504        public static final String PARENTAL_CONTROL_REDIRECT_URL =
1505            Secure.PARENTAL_CONTROL_REDIRECT_URL;
1506
1507        /**
1508         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
1509         */
1510        @Deprecated
1511        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
1512
1513        /**
1514         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
1515         */
1516        @Deprecated
1517        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
1518
1519        /**
1520         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
1521         */
1522        @Deprecated
1523        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
1524
1525//       /**
1526//         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT}
1527//         * instead
1528//         */
1529        @Deprecated
1530        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
1531
1532//        /**
1533//         * @deprecated Use
1534//         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS}
1535//         * instead
1536//         */
1537        @Deprecated
1538        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
1539                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
1540
1541        /**
1542         * @deprecated Use
1543         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
1544         */
1545        @Deprecated
1546        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
1547            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
1548
1549        /**
1550         * @deprecated Use
1551         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
1552         */
1553        @Deprecated
1554        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
1555            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
1556
1557        /**
1558         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
1559         * instead
1560         */
1561        @Deprecated
1562        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
1563
1564        /**
1565         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
1566         */
1567        @Deprecated
1568        public static final String WIFI_ON = Secure.WIFI_ON;
1569
1570        /**
1571         * @deprecated Use
1572         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
1573         * instead
1574         */
1575        @Deprecated
1576        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
1577                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
1578
1579        /**
1580         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
1581         */
1582        @Deprecated
1583        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
1584
1585        /**
1586         * @deprecated Use
1587         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
1588         */
1589        @Deprecated
1590        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
1591                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
1592
1593        /**
1594         * @deprecated Use
1595         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
1596         */
1597        @Deprecated
1598        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
1599                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
1600
1601        /**
1602         * @deprecated Use
1603         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
1604         * instead
1605         */
1606        @Deprecated
1607        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
1608                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
1609
1610        /**
1611         * @deprecated Use
1612         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
1613         */
1614        @Deprecated
1615        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
1616            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
1617
1618        /**
1619         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
1620         * instead
1621         */
1622        @Deprecated
1623        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
1624
1625        /**
1626         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
1627         */
1628        @Deprecated
1629        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
1630
1631        /**
1632         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
1633         */
1634        @Deprecated
1635        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
1636
1637        /**
1638         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
1639         * instead
1640         */
1641        @Deprecated
1642        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
1643
1644        /**
1645         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
1646         * instead
1647         */
1648        @Deprecated
1649        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
1650            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
1651    }
1652
1653    /**
1654     * Secure system settings, containing system preferences that applications
1655     * can read but are not allowed to write.  These are for preferences that
1656     * the user must explicitly modify through the system UI or specialized
1657     * APIs for those values, not modified directly by applications.
1658     */
1659    public static final class Secure extends NameValueTable {
1660        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
1661
1662        private static volatile NameValueCache mNameValueCache = null;
1663
1664        /**
1665         * Look up a name in the database.
1666         * @param resolver to access the database with
1667         * @param name to look up in the table
1668         * @return the corresponding value, or null if not present
1669         */
1670        public synchronized static String getString(ContentResolver resolver, String name) {
1671            if (mNameValueCache == null) {
1672                mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
1673            }
1674            return mNameValueCache.getString(resolver, name);
1675        }
1676
1677        /**
1678         * Store a name/value pair into the database.
1679         * @param resolver to access the database with
1680         * @param name to store
1681         * @param value to associate with the name
1682         * @return true if the value was set, false on database errors
1683         */
1684        public static boolean putString(ContentResolver resolver,
1685                String name, String value) {
1686            return putString(resolver, CONTENT_URI, name, value);
1687        }
1688
1689        /**
1690         * Construct the content URI for a particular name/value pair,
1691         * useful for monitoring changes with a ContentObserver.
1692         * @param name to look up in the table
1693         * @return the corresponding content URI, or null if not present
1694         */
1695        public static Uri getUriFor(String name) {
1696            return getUriFor(CONTENT_URI, name);
1697        }
1698
1699        /**
1700         * Convenience function for retrieving a single secure settings value
1701         * as an integer.  Note that internally setting values are always
1702         * stored as strings; this function converts the string to an integer
1703         * for you.  The default value will be returned if the setting is
1704         * not defined or not an integer.
1705         *
1706         * @param cr The ContentResolver to access.
1707         * @param name The name of the setting to retrieve.
1708         * @param def Value to return if the setting is not defined.
1709         *
1710         * @return The setting's current value, or 'def' if it is not defined
1711         * or not a valid integer.
1712         */
1713        public static int getInt(ContentResolver cr, String name, int def) {
1714            String v = getString(cr, name);
1715            try {
1716                return v != null ? Integer.parseInt(v) : def;
1717            } catch (NumberFormatException e) {
1718                return def;
1719            }
1720        }
1721
1722        /**
1723         * Convenience function for retrieving a single secure settings value
1724         * as an integer.  Note that internally setting values are always
1725         * stored as strings; this function converts the string to an integer
1726         * for you.
1727         * <p>
1728         * This version does not take a default value.  If the setting has not
1729         * been set, or the string value is not a number,
1730         * it throws {@link SettingNotFoundException}.
1731         *
1732         * @param cr The ContentResolver to access.
1733         * @param name The name of the setting to retrieve.
1734         *
1735         * @throws SettingNotFoundException Thrown if a setting by the given
1736         * name can't be found or the setting value is not an integer.
1737         *
1738         * @return The setting's current value.
1739         */
1740        public static int getInt(ContentResolver cr, String name)
1741                throws SettingNotFoundException {
1742            String v = getString(cr, name);
1743            try {
1744                return Integer.parseInt(v);
1745            } catch (NumberFormatException e) {
1746                throw new SettingNotFoundException(name);
1747            }
1748        }
1749
1750        /**
1751         * Convenience function for updating a single settings value as an
1752         * integer. This will either create a new entry in the table if the
1753         * given name does not exist, or modify the value of the existing row
1754         * with that name.  Note that internally setting values are always
1755         * stored as strings, so this function converts the given value to a
1756         * string before storing it.
1757         *
1758         * @param cr The ContentResolver to access.
1759         * @param name The name of the setting to modify.
1760         * @param value The new value for the setting.
1761         * @return true if the value was set, false on database errors
1762         */
1763        public static boolean putInt(ContentResolver cr, String name, int value) {
1764            return putString(cr, name, Integer.toString(value));
1765        }
1766
1767        /**
1768         * Convenience function for retrieving a single secure settings value
1769         * as a {@code long}.  Note that internally setting values are always
1770         * stored as strings; this function converts the string to a {@code long}
1771         * for you.  The default value will be returned if the setting is
1772         * not defined or not a {@code long}.
1773         *
1774         * @param cr The ContentResolver to access.
1775         * @param name The name of the setting to retrieve.
1776         * @param def Value to return if the setting is not defined.
1777         *
1778         * @return The setting's current value, or 'def' if it is not defined
1779         * or not a valid {@code long}.
1780         */
1781        public static long getLong(ContentResolver cr, String name, long def) {
1782            String valString = getString(cr, name);
1783            long value;
1784            try {
1785                value = valString != null ? Long.parseLong(valString) : def;
1786            } catch (NumberFormatException e) {
1787                value = def;
1788            }
1789            return value;
1790        }
1791
1792        /**
1793         * Convenience function for retrieving a single secure settings value
1794         * as a {@code long}.  Note that internally setting values are always
1795         * stored as strings; this function converts the string to a {@code long}
1796         * for you.
1797         * <p>
1798         * This version does not take a default value.  If the setting has not
1799         * been set, or the string value is not a number,
1800         * it throws {@link SettingNotFoundException}.
1801         *
1802         * @param cr The ContentResolver to access.
1803         * @param name The name of the setting to retrieve.
1804         *
1805         * @return The setting's current value.
1806         * @throws SettingNotFoundException Thrown if a setting by the given
1807         * name can't be found or the setting value is not an integer.
1808         */
1809        public static long getLong(ContentResolver cr, String name)
1810                throws SettingNotFoundException {
1811            String valString = getString(cr, name);
1812            try {
1813                return Long.parseLong(valString);
1814            } catch (NumberFormatException e) {
1815                throw new SettingNotFoundException(name);
1816            }
1817        }
1818
1819        /**
1820         * Convenience function for updating a secure settings value as a long
1821         * integer. This will either create a new entry in the table if the
1822         * given name does not exist, or modify the value of the existing row
1823         * with that name.  Note that internally setting values are always
1824         * stored as strings, so this function converts the given value to a
1825         * string before storing it.
1826         *
1827         * @param cr The ContentResolver to access.
1828         * @param name The name of the setting to modify.
1829         * @param value The new value for the setting.
1830         * @return true if the value was set, false on database errors
1831         */
1832        public static boolean putLong(ContentResolver cr, String name, long value) {
1833            return putString(cr, name, Long.toString(value));
1834        }
1835
1836        /**
1837         * Convenience function for retrieving a single secure settings value
1838         * as a floating point number.  Note that internally setting values are
1839         * always stored as strings; this function converts the string to an
1840         * float for you. The default value will be returned if the setting
1841         * is not defined or not a valid float.
1842         *
1843         * @param cr The ContentResolver to access.
1844         * @param name The name of the setting to retrieve.
1845         * @param def Value to return if the setting is not defined.
1846         *
1847         * @return The setting's current value, or 'def' if it is not defined
1848         * or not a valid float.
1849         */
1850        public static float getFloat(ContentResolver cr, String name, float def) {
1851            String v = getString(cr, name);
1852            try {
1853                return v != null ? Float.parseFloat(v) : def;
1854            } catch (NumberFormatException e) {
1855                return def;
1856            }
1857        }
1858
1859        /**
1860         * Convenience function for retrieving a single secure settings value
1861         * as a float.  Note that internally setting values are always
1862         * stored as strings; this function converts the string to a float
1863         * for you.
1864         * <p>
1865         * This version does not take a default value.  If the setting has not
1866         * been set, or the string value is not a number,
1867         * it throws {@link SettingNotFoundException}.
1868         *
1869         * @param cr The ContentResolver to access.
1870         * @param name The name of the setting to retrieve.
1871         *
1872         * @throws SettingNotFoundException Thrown if a setting by the given
1873         * name can't be found or the setting value is not a float.
1874         *
1875         * @return The setting's current value.
1876         */
1877        public static float getFloat(ContentResolver cr, String name)
1878                throws SettingNotFoundException {
1879            String v = getString(cr, name);
1880            try {
1881                return Float.parseFloat(v);
1882            } catch (NumberFormatException e) {
1883                throw new SettingNotFoundException(name);
1884            }
1885        }
1886
1887        /**
1888         * Convenience function for updating a single settings value as a
1889         * floating point number. This will either create a new entry in the
1890         * table if the given name does not exist, or modify the value of the
1891         * existing row with that name.  Note that internally setting values
1892         * are always stored as strings, so this function converts the given
1893         * value to a string before storing it.
1894         *
1895         * @param cr The ContentResolver to access.
1896         * @param name The name of the setting to modify.
1897         * @param value The new value for the setting.
1898         * @return true if the value was set, false on database errors
1899         */
1900        public static boolean putFloat(ContentResolver cr, String name, float value) {
1901            return putString(cr, name, Float.toString(value));
1902        }
1903
1904        /**
1905         * The content:// style URL for this table
1906         */
1907        public static final Uri CONTENT_URI =
1908            Uri.parse("content://" + AUTHORITY + "/secure");
1909
1910        /**
1911         * Whether ADB is enabled.
1912         */
1913        public static final String ADB_ENABLED = "adb_enabled";
1914
1915        /**
1916         * Setting to allow mock locations and location provider status to be injected into the
1917         * LocationManager service for testing purposes during application development.  These
1918         * locations and status values  override actual location and status information generated
1919         * by network, gps, or other location providers.
1920         */
1921        public static final String ALLOW_MOCK_LOCATION = "mock_location";
1922
1923        /**
1924         * The Android ID (a unique 64-bit value) as a hex string.
1925         * Identical to that obtained by calling
1926         * GoogleLoginService.getAndroidId(); it is also placed here
1927         * so you can get it without binding to a service.
1928         */
1929        public static final String ANDROID_ID = "android_id";
1930
1931        /**
1932         * Whether bluetooth is enabled/disabled
1933         * 0=disabled. 1=enabled.
1934         */
1935        public static final String BLUETOOTH_ON = "bluetooth_on";
1936
1937        /**
1938         * Get the key that retrieves a bluetooth headset's priority.
1939         * @hide
1940         */
1941        public static final String getBluetoothHeadsetPriorityKey(String address) {
1942            return ("bluetooth_headset_priority_" + address.toUpperCase());
1943        }
1944
1945        /**
1946         * Get the key that retrieves a bluetooth a2dp sink's priority.
1947         * @hide
1948         */
1949        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
1950            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
1951        }
1952
1953        /**
1954         * Whether or not data roaming is enabled. (0 = false, 1 = true)
1955         */
1956        public static final String DATA_ROAMING = "data_roaming";
1957
1958        /**
1959         * Setting to record the input method used by default, holding the ID
1960         * of the desired method.
1961         */
1962        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
1963
1964        /**
1965         * Whether the device has been provisioned (0 = false, 1 = true)
1966         */
1967        public static final String DEVICE_PROVISIONED = "device_provisioned";
1968
1969        /**
1970         * List of input methods that are currently enabled.  This is a string
1971         * containing the IDs of all enabled input methods, each ID separated
1972         * by ':'.
1973         */
1974        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
1975
1976        /**
1977         * Host name and port for a user-selected proxy.
1978         */
1979        public static final String HTTP_PROXY = "http_proxy";
1980
1981        /**
1982         * Whether the package installer should allow installation of apps downloaded from
1983         * sources other than the Android Market (vending machine).
1984         *
1985         * 1 = allow installing from other sources
1986         * 0 = only allow installing from the Android Market
1987         */
1988        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
1989
1990        /**
1991         * Comma-separated list of location providers that activities may access.
1992         */
1993        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
1994
1995        /**
1996         * Whether assisted GPS should be enabled or not.
1997         * @hide
1998         */
1999        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2000
2001        /**
2002         * The Logging ID (a unique 64-bit value) as a hex string.
2003         * Used as a pseudonymous identifier for logging.
2004         * @deprecated This identifier is poorly initialized and has
2005         * many collisions.  It should not be used.
2006         */
2007        @Deprecated
2008        public static final String LOGGING_ID = "logging_id";
2009
2010        /**
2011         * The Logging ID (a unique 64-bit value) as a hex string.
2012         * Used as a pseudonymous identifier for logging.
2013         * @hide
2014         */
2015        public static final String LOGGING_ID2 = "logging_id2";
2016
2017        /**
2018         * User preference for which network(s) should be used. Only the
2019         * connectivity service should touch this.
2020         */
2021        public static final String NETWORK_PREFERENCE = "network_preference";
2022
2023        /**
2024         */
2025        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2026
2027        /**
2028         */
2029        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2030
2031        /**
2032         */
2033        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2034
2035        /**
2036         * Settings classname to launch when Settings is clicked from All
2037         * Applications.  Needed because of user testing between the old
2038         * and new Settings apps.
2039         */
2040        // TODO: 881807
2041        public static final String SETTINGS_CLASSNAME = "settings_classname";
2042
2043        /**
2044         * USB Mass Storage Enabled
2045         */
2046        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2047
2048        /**
2049         * If this setting is set (to anything), then all references
2050         * to Gmail on the device must change to Google Mail.
2051         */
2052        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2053
2054        /**
2055         * If accessibility is enabled.
2056         */
2057        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2058
2059        /**
2060         * List of the enabled accessibility providers.
2061         */
2062        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2063            "enabled_accessibility_services";
2064
2065        /**
2066         * Setting to always use the default text-to-speech settings regardless
2067         * of the application settings.
2068         * 1 = override application settings,
2069         * 0 = use application settings (if specified).
2070         */
2071        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2072
2073        /**
2074         * Default text-to-speech engine speech rate. 100 = 1x
2075         */
2076        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2077
2078        /**
2079         * Default text-to-speech engine pitch. 100 = 1x
2080         */
2081        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2082
2083        /**
2084         * Default text-to-speech engine.
2085         */
2086        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2087
2088        /**
2089         * Default text-to-speech language.
2090         */
2091        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2092
2093        /**
2094         * Default text-to-speech country.
2095         */
2096        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
2097
2098        /**
2099         * Default text-to-speech locale variant.
2100         */
2101        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
2102
2103        /**
2104         * Whether to notify the user of open networks.
2105         * <p>
2106         * If not connected and the scan results have an open network, we will
2107         * put this notification up. If we attempt to connect to a network or
2108         * the open network(s) disappear, we remove the notification. When we
2109         * show the notification, we will not show it again for
2110         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
2111         */
2112        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2113                "wifi_networks_available_notification_on";
2114
2115        /**
2116         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
2117         * Connecting to a network will reset the timer.
2118         */
2119        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2120                "wifi_networks_available_repeat_delay";
2121
2122        /**
2123         * The number of radio channels that are allowed in the local
2124         * 802.11 regulatory domain.
2125         * @hide
2126         */
2127        public static final String WIFI_NUM_ALLOWED_CHANNELS = "wifi_num_allowed_channels";
2128
2129        /**
2130         * When the number of open networks exceeds this number, the
2131         * least-recently-used excess networks will be removed.
2132         */
2133        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
2134
2135        /**
2136         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
2137         */
2138        public static final String WIFI_ON = "wifi_on";
2139
2140        /**
2141         * The acceptable packet loss percentage (range 0 - 100) before trying
2142         * another AP on the same network.
2143         */
2144        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2145                "wifi_watchdog_acceptable_packet_loss_percentage";
2146
2147        /**
2148         * The number of access points required for a network in order for the
2149         * watchdog to monitor it.
2150         */
2151        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
2152
2153        /**
2154         * The delay between background checks.
2155         */
2156        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2157                "wifi_watchdog_background_check_delay_ms";
2158
2159        /**
2160         * Whether the Wi-Fi watchdog is enabled for background checking even
2161         * after it thinks the user has connected to a good access point.
2162         */
2163        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2164                "wifi_watchdog_background_check_enabled";
2165
2166        /**
2167         * The timeout for a background ping
2168         */
2169        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2170                "wifi_watchdog_background_check_timeout_ms";
2171
2172        /**
2173         * The number of initial pings to perform that *may* be ignored if they
2174         * fail. Again, if these fail, they will *not* be used in packet loss
2175         * calculation. For example, one network always seemed to time out for
2176         * the first couple pings, so this is set to 3 by default.
2177         */
2178        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2179            "wifi_watchdog_initial_ignored_ping_count";
2180
2181        /**
2182         * The maximum number of access points (per network) to attempt to test.
2183         * If this number is reached, the watchdog will no longer monitor the
2184         * initial connection state for the network. This is a safeguard for
2185         * networks containing multiple APs whose DNS does not respond to pings.
2186         */
2187        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
2188
2189        /**
2190         * Whether the Wi-Fi watchdog is enabled.
2191         */
2192        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
2193
2194        /**
2195         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
2196         */
2197        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
2198
2199        /**
2200         * The number of pings to test if an access point is a good connection.
2201         */
2202        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
2203
2204        /**
2205         * The delay between pings.
2206         */
2207        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
2208
2209        /**
2210         * The timeout per ping.
2211         */
2212        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
2213
2214        /**
2215         * The maximum number of times we will retry a connection to an access
2216         * point for which we have failed in acquiring an IP address from DHCP.
2217         * A value of N means that we will make N+1 connection attempts in all.
2218         */
2219        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
2220
2221        /**
2222         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
2223         * data connectivity to be established after a disconnect from Wi-Fi.
2224         */
2225        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2226            "wifi_mobile_data_transition_wakelock_timeout_ms";
2227
2228        /**
2229         * Whether background data usage is allowed by the user. See
2230         * ConnectivityManager for more info.
2231         */
2232        public static final String BACKGROUND_DATA = "background_data";
2233
2234        /**
2235         * The CDMA roaming mode 0 = Home Networks, CDMA default
2236         *                       1 = Roaming on Affiliated networks
2237         *                       2 = Roaming on any networks
2238         * @hide
2239         */
2240        public static final String CDMA_ROAMING_MODE = "roaming_settings";
2241
2242        /**
2243         * The CDMA subscription mode 0 = RUIM/SIM (default)
2244         *                                1 = NV
2245         * @hide
2246         */
2247        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
2248
2249        /**
2250         * The preferred network mode   7 = Global
2251         *                              6 = EvDo only
2252         *                              5 = CDMA w/o EvDo
2253         *                              4 = CDMA / EvDo auto
2254         *                              3 = GSM / WCDMA auto
2255         *                              2 = WCDMA only
2256         *                              1 = GSM only
2257         *                              0 = GSM / WCDMA preferred
2258         * @hide
2259         */
2260        public static final String PREFERRED_NETWORK_MODE =
2261                "preferred_network_mode";
2262
2263        /**
2264         * The preferred TTY mode     0 = TTy Off, CDMA default
2265         *                            1 = TTY Full
2266         *                            2 = TTY HCO
2267         *                            3 = TTY VCO
2268         * @hide
2269         */
2270        public static final String PREFERRED_TTY_MODE =
2271                "preferred_tty_mode";
2272
2273
2274        /**
2275         * CDMA Cell Broadcast SMS
2276         *                            0 = CDMA Cell Broadcast SMS disabled
2277         *                            1 = CDMA Cell Broadcast SMS enabled
2278         * @hide
2279         */
2280        public static final String CDMA_CELL_BROADCAST_SMS =
2281                "cdma_cell_broadcast_sms";
2282
2283        /**
2284         * The cdma subscription 0 = Subscription from RUIM, when available
2285         *                       1 = Subscription from NV
2286         * @hide
2287         */
2288        public static final String PREFERRED_CDMA_SUBSCRIPTION =
2289                "preferred_cdma_subscription";
2290
2291        /**
2292         * Whether the enhanced voice privacy mode is enabled.
2293         * 0 = normal voice privacy
2294         * 1 = enhanced voice privacy
2295         * @hide
2296         */
2297        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
2298
2299        /**
2300         * Whether the TTY mode mode is enabled.
2301         * 0 = disabled
2302         * 1 = enabled
2303         * @hide
2304         */
2305        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
2306
2307        /**
2308         * Flag for allowing service provider to use location information to improve products and
2309         * services.
2310         * Type: int ( 0 = disallow, 1 = allow )
2311         * @hide
2312         */
2313        public static final String USE_LOCATION_FOR_SERVICES = "use_location";
2314
2315        /**
2316         * Controls whether settings backup is enabled.
2317         * Type: int ( 0 = disabled, 1 = enabled )
2318         * @hide
2319         */
2320        public static final String BACKUP_ENABLED = "backup_enabled";
2321
2322        /**
2323         * Indicates whether settings backup has been fully provisioned.
2324         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
2325         * @hide
2326         */
2327        public static final String BACKUP_PROVISIONED = "backup_provisioned";
2328
2329        /**
2330         * Component of the transport to use for backup/restore.
2331         * @hide
2332         */
2333        public static final String BACKUP_TRANSPORT = "backup_transport";
2334
2335        /**
2336         * Version for which the setup wizard was last shown.  Bumped for
2337         * each release when there is new setup information to show.
2338         * @hide
2339         */
2340        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
2341
2342        /**
2343         * @hide
2344         */
2345        public static final String[] SETTINGS_TO_BACKUP = {
2346            ADB_ENABLED,
2347            ALLOW_MOCK_LOCATION,
2348            INSTALL_NON_MARKET_APPS,
2349            PARENTAL_CONTROL_ENABLED,
2350            PARENTAL_CONTROL_REDIRECT_URL,
2351            USB_MASS_STORAGE_ENABLED,
2352            ACCESSIBILITY_ENABLED,
2353            ENABLED_ACCESSIBILITY_SERVICES,
2354            TTS_USE_DEFAULTS,
2355            TTS_DEFAULT_RATE,
2356            TTS_DEFAULT_PITCH,
2357            TTS_DEFAULT_SYNTH,
2358            TTS_DEFAULT_LANG,
2359            TTS_DEFAULT_COUNTRY,
2360            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
2361            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
2362            WIFI_NUM_ALLOWED_CHANNELS,
2363            WIFI_NUM_OPEN_NETWORKS_KEPT,
2364            BACKGROUND_DATA,
2365            PREFERRED_NETWORK_MODE,
2366            PREFERRED_TTY_MODE,
2367            CDMA_CELL_BROADCAST_SMS,
2368            PREFERRED_CDMA_SUBSCRIPTION,
2369            ENHANCED_VOICE_PRIVACY_ENABLED
2370        };
2371
2372        /**
2373         * Helper method for determining if a location provider is enabled.
2374         * @param cr the content resolver to use
2375         * @param provider the location provider to query
2376         * @return true if the provider is enabled
2377         *
2378         * @hide
2379         */
2380        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
2381            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
2382            if (allowedProviders != null) {
2383                return (allowedProviders.equals(provider) ||
2384                        allowedProviders.contains("," + provider + ",") ||
2385                        allowedProviders.startsWith(provider + ",") ||
2386                        allowedProviders.endsWith("," + provider));
2387            }
2388            return false;
2389        }
2390
2391        /**
2392         * Thread-safe method for enabling or disabling a single location provider.
2393         * @param cr the content resolver to use
2394         * @param provider the location provider to enable or disable
2395         * @param enabled true if the provider should be enabled
2396         *
2397         * @hide
2398         */
2399        public static final void setLocationProviderEnabled(ContentResolver cr,
2400                String provider, boolean enabled) {
2401            // to ensure thread safety, we write the provider name with a '+' or '-'
2402            // and let the SettingsProvider handle it rather than reading and modifying
2403            // the list of enabled providers.
2404            if (enabled) {
2405                provider = "+" + provider;
2406            } else {
2407                provider = "-" + provider;
2408            }
2409            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
2410        }
2411    }
2412
2413    /**
2414     * Gservices settings, containing the network names for Google's
2415     * various services. This table holds simple name/addr pairs.
2416     * Addresses can be accessed through the getString() method.
2417     *
2418     * TODO: This should move to partner/google/... somewhere.
2419     *
2420     * @hide
2421     */
2422    public static final class Gservices extends NameValueTable {
2423        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_gservices_version";
2424
2425        /**
2426         * Intent action broadcast when the Gservices table is updated by the server.
2427         * This is broadcast once after settings change (so many values may have been updated).
2428         */
2429        @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2430        public static final String CHANGED_ACTION =
2431            "com.google.gservices.intent.action.GSERVICES_CHANGED";
2432
2433        /**
2434         * Intent action to override Gservices for testing.  (Requires WRITE_GSERVICES permission.)
2435         */
2436        @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
2437        public static final String OVERRIDE_ACTION =
2438            "com.google.gservices.intent.action.GSERVICES_OVERRIDE";
2439
2440        private static volatile NameValueCache mNameValueCache = null;
2441        private static final Object mNameValueCacheLock = new Object();
2442
2443        /**
2444         * Look up a name in the database.
2445         * @param resolver to access the database with
2446         * @param name to look up in the table
2447         * @return the corresponding value, or null if not present
2448         */
2449        public static String getString(ContentResolver resolver, String name) {
2450            synchronized (mNameValueCacheLock) {
2451                if (mNameValueCache == null) {
2452                    mNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI);
2453                }
2454                return mNameValueCache.getString(resolver, name);
2455            }
2456        }
2457
2458        /**
2459         * Store a name/value pair into the database.
2460         * @param resolver to access the database with
2461         * @param name to store
2462         * @param value to associate with the name
2463         * @return true if the value was set, false on database errors
2464         */
2465        public static boolean putString(ContentResolver resolver,
2466                String name, String value) {
2467            return putString(resolver, CONTENT_URI, name, value);
2468        }
2469
2470        /**
2471         * Look up the value for name in the database, convert it to an int using Integer.parseInt
2472         * and return it. If it is null or if a NumberFormatException is caught during the
2473         * conversion then return defValue.
2474         */
2475        public static int getInt(ContentResolver resolver, String name, int defValue) {
2476            String valString = getString(resolver, name);
2477            int value;
2478            try {
2479                value = valString != null ? Integer.parseInt(valString) : defValue;
2480            } catch (NumberFormatException e) {
2481                value = defValue;
2482            }
2483            return value;
2484        }
2485
2486        /**
2487         * Look up the value for name in the database, convert it to a long using Long.parseLong
2488         * and return it. If it is null or if a NumberFormatException is caught during the
2489         * conversion then return defValue.
2490         */
2491        public static long getLong(ContentResolver resolver, String name, long defValue) {
2492            String valString = getString(resolver, name);
2493            long value;
2494            try {
2495                value = valString != null ? Long.parseLong(valString) : defValue;
2496            } catch (NumberFormatException e) {
2497                value = defValue;
2498            }
2499            return value;
2500        }
2501
2502        /**
2503         * Construct the content URI for a particular name/value pair,
2504         * useful for monitoring changes with a ContentObserver.
2505         * @param name to look up in the table
2506         * @return the corresponding content URI, or null if not present
2507         */
2508        public static Uri getUriFor(String name) {
2509            return getUriFor(CONTENT_URI, name);
2510        }
2511
2512        /**
2513         * The content:// style URL for this table
2514         */
2515        public static final Uri CONTENT_URI =
2516                Uri.parse("content://" + AUTHORITY + "/gservices");
2517
2518        /**
2519         * MMS - URL to use for HTTP "x-wap-profile" header
2520         */
2521        public static final String MMS_X_WAP_PROFILE_URL
2522                = "mms_x_wap_profile_url";
2523
2524        /**
2525         * YouTube - the flag to indicate whether to use proxy
2526         */
2527        public static final String YOUTUBE_USE_PROXY
2528                = "youtube_use_proxy";
2529
2530        /**
2531         * MMS - maximum message size in bytes for a MMS message.
2532         */
2533        public static final String MMS_MAXIMUM_MESSAGE_SIZE
2534                = "mms_maximum_message_size";
2535
2536        /**
2537         * Event tags from the kernel event log to upload during checkin.
2538         */
2539        public static final String CHECKIN_EVENTS = "checkin_events";
2540
2541        /**
2542         * Comma-separated list of service names to dump and upload during checkin.
2543         */
2544        public static final String CHECKIN_DUMPSYS_LIST = "checkin_dumpsys_list";
2545
2546        /**
2547         * Comma-separated list of packages to specify for each service that is
2548         * dumped (currently only meaningful for user activity).
2549         */
2550        public static final String CHECKIN_PACKAGE_LIST = "checkin_package_list";
2551
2552        /**
2553         * The interval (in seconds) between periodic checkin attempts.
2554         */
2555        public static final String CHECKIN_INTERVAL = "checkin_interval";
2556
2557        /**
2558         * Boolean indicating if the market app should force market only checkins on
2559         * install/uninstall. Any non-0 value is considered true.
2560         */
2561        public static final String MARKET_FORCE_CHECKIN = "market_force_checkin";
2562
2563        /**
2564         * How frequently (in seconds) to check the memory status of the
2565         * device.
2566         */
2567        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
2568
2569        /**
2570         * Max frequency (in seconds) to log memory check stats, in realtime
2571         * seconds.  This allows for throttling of logs when the device is
2572         * running for large amounts of time.
2573         */
2574        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
2575                "memcheck_log_realtime_interval";
2576
2577        /**
2578         * Boolean indicating whether rebooting due to system memory checks
2579         * is enabled.
2580         */
2581        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
2582
2583        /**
2584         * How many bytes the system process must be below to avoid scheduling
2585         * a soft reboot.  This reboot will happen when it is next determined
2586         * to be a good time.
2587         */
2588        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
2589
2590        /**
2591         * How many bytes the system process must be below to avoid scheduling
2592         * a hard reboot.  This reboot will happen immediately.
2593         */
2594        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
2595
2596        /**
2597         * How many bytes the phone process must be below to avoid scheduling
2598         * a soft restart.  This restart will happen when it is next determined
2599         * to be a good time.
2600         */
2601        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
2602
2603        /**
2604         * How many bytes the phone process must be below to avoid scheduling
2605         * a hard restart.  This restart will happen immediately.
2606         */
2607        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
2608
2609        /**
2610         * Boolean indicating whether restarting the phone process due to
2611         * memory checks is enabled.
2612         */
2613        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
2614
2615        /**
2616         * First time during the day it is okay to kill processes
2617         * or reboot the device due to low memory situations.  This number is
2618         * in seconds since midnight.
2619         */
2620        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
2621
2622        /**
2623         * Last time during the day it is okay to kill processes
2624         * or reboot the device due to low memory situations.  This number is
2625         * in seconds since midnight.
2626         */
2627        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
2628
2629        /**
2630         * How long the screen must have been off in order to kill processes
2631         * or reboot.  This number is in seconds.  A value of -1 means to
2632         * entirely disregard whether the screen is on.
2633         */
2634        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
2635
2636        /**
2637         * How much time there must be until the next alarm in order to kill processes
2638         * or reboot.  This number is in seconds.  Note: this value must be
2639         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
2640         * always see an alarm scheduled within its time.
2641         */
2642        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
2643
2644        /**
2645         * How frequently to check whether it is a good time to restart things,
2646         * if the device is in a bad state.  This number is in seconds.  Note:
2647         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
2648         * the alarm to schedule the recheck will always appear within the
2649         * minimum "do not execute now" time.
2650         */
2651        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
2652
2653        /**
2654         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
2655         * will occur.
2656         */
2657        public static final String REBOOT_INTERVAL = "reboot_interval";
2658
2659        /**
2660         * First time during the day it is okay to force a reboot of the
2661         * device (if REBOOT_INTERVAL is set).  This number is
2662         * in seconds since midnight.
2663         */
2664        public static final String REBOOT_START_TIME = "reboot_start_time";
2665
2666        /**
2667         * The window of time (in seconds) after each REBOOT_INTERVAL in which
2668         * a reboot can be executed.  If 0, a reboot will always be executed at
2669         * exactly the given time.  Otherwise, it will only be executed if
2670         * the device is idle within the window.
2671         */
2672        public static final String REBOOT_WINDOW = "reboot_window";
2673
2674        /**
2675         * The minimum version of the server that is required in order for the device to accept
2676         * the server's recommendations about the initial sync settings to use. When this is unset,
2677         * blank or can't be interpreted as an integer then we will not ask the server for a
2678         * recommendation.
2679         */
2680        public static final String GMAIL_CONFIG_INFO_MIN_SERVER_VERSION =
2681                "gmail_config_info_min_server_version";
2682
2683        /**
2684         * Controls whether Gmail offers a preview button for images.
2685         */
2686        public static final String GMAIL_DISALLOW_IMAGE_PREVIEWS = "gmail_disallow_image_previews";
2687
2688        /**
2689         * The maximal size in bytes allowed for attachments when composing messages in Gmail
2690         */
2691        public static final String GMAIL_MAX_ATTACHMENT_SIZE = "gmail_max_attachment_size_bytes";
2692
2693        /**
2694         * The timeout in milliseconds that Gmail uses when opening a connection and reading
2695         * from it. A missing value or a value of -1 instructs Gmail to use the defaults provided
2696         * by GoogleHttpClient.
2697         */
2698        public static final String GMAIL_TIMEOUT_MS = "gmail_timeout_ms";
2699
2700        /**
2701         * Controls whether Gmail will request an expedited sync when a message is sent. Value must
2702         * be an integer where non-zero means true. Defaults to 1.
2703         */
2704        public static final String GMAIL_SEND_IMMEDIATELY = "gmail_send_immediately";
2705
2706        /**
2707         * Controls whether gmail buffers server responses.  Possible values are "memory", for a
2708         * memory-based buffer, or "file", for a temp-file-based buffer.  All other values
2709         * (including not set) disable buffering.
2710         */
2711        public static final String GMAIL_BUFFER_SERVER_RESPONSE = "gmail_buffer_server_response";
2712
2713        /**
2714         * The maximum size in bytes allowed for the provider to gzip a protocol buffer uploaded to
2715         * the server.
2716         */
2717        public static final String GMAIL_MAX_GZIP_SIZE = "gmail_max_gzip_size_bytes";
2718
2719        /**
2720         * Controls whether Gmail will discard uphill operations that repeatedly fail. Value must be
2721         * an integer where non-zero means true. Defaults to 1.
2722         */
2723        public static final String GMAIL_DISCARD_ERROR_UPHILL_OP = "gmail_discard_error_uphill_op";
2724
2725        /**
2726         * Controls how many attempts Gmail will try to upload an uphill operations before it
2727         * abandons the operation. Defaults to 20.
2728         */
2729        public static final String GMAIL_NUM_RETRY_UPHILL_OP = "gmail_num_retry_uphill_op";
2730
2731        /**
2732         * How much time in seconds Gmail will try to upload an uphill operations before it
2733         * abandons the operation. Defaults to 36400 (one day).
2734         */
2735        public static final String GMAIL_WAIT_TIME_RETRY_UPHILL_OP =
2736                "gmail_wait_time_retry_uphill_op";
2737
2738        /**
2739         * Controls if the protocol buffer version of the protocol will use a multipart request for
2740         * attachment uploads. Value must be an integer where non-zero means true. Defaults to 0.
2741         */
2742        public static final String GMAIL_USE_MULTIPART_PROTOBUF = "gmail_use_multipart_protobuf";
2743
2744        /**
2745         * the transcoder URL for mobile devices.
2746         */
2747        public static final String TRANSCODER_URL = "mobile_transcoder_url";
2748
2749        /**
2750         * URL that points to the privacy terms of the Google Talk service.
2751         */
2752        public static final String GTALK_TERMS_OF_SERVICE_URL = "gtalk_terms_of_service_url";
2753
2754        /**
2755         * Hostname of the GTalk server.
2756         */
2757        public static final String GTALK_SERVICE_HOSTNAME = "gtalk_hostname";
2758
2759        /**
2760         * Secure port of the GTalk server.
2761         */
2762        public static final String GTALK_SERVICE_SECURE_PORT = "gtalk_secure_port";
2763
2764        /**
2765         * The server configurable RMQ acking interval
2766         */
2767        public static final String GTALK_SERVICE_RMQ_ACK_INTERVAL = "gtalk_rmq_ack_interval";
2768
2769        /**
2770         * The minimum reconnect delay for short network outages or when the network is suspended
2771         * due to phone use.
2772         */
2773        public static final String GTALK_SERVICE_MIN_RECONNECT_DELAY_SHORT =
2774                "gtalk_min_reconnect_delay_short";
2775
2776        /**
2777         * The reconnect variant range for short network outages or when the network is suspended
2778         * due to phone use. A random number between 0 and this constant is computed and
2779         * added to {@link #GTALK_SERVICE_MIN_RECONNECT_DELAY_SHORT} to form the initial reconnect
2780         * delay.
2781         */
2782        public static final String GTALK_SERVICE_RECONNECT_VARIANT_SHORT =
2783                "gtalk_reconnect_variant_short";
2784
2785        /**
2786         * The minimum reconnect delay for long network outages
2787         */
2788        public static final String GTALK_SERVICE_MIN_RECONNECT_DELAY_LONG =
2789                "gtalk_min_reconnect_delay_long";
2790
2791        /**
2792         * The reconnect variant range for long network outages.  A random number between 0 and this
2793         * constant is computed and added to {@link #GTALK_SERVICE_MIN_RECONNECT_DELAY_LONG} to
2794         * form the initial reconnect delay.
2795         */
2796        public static final String GTALK_SERVICE_RECONNECT_VARIANT_LONG =
2797                "gtalk_reconnect_variant_long";
2798
2799        /**
2800         * The maximum reconnect delay time, in milliseconds.
2801         */
2802        public static final String GTALK_SERVICE_MAX_RECONNECT_DELAY =
2803                "gtalk_max_reconnect_delay";
2804
2805        /**
2806         * The network downtime that is considered "short" for the above calculations,
2807         * in milliseconds.
2808         */
2809        public static final String GTALK_SERVICE_SHORT_NETWORK_DOWNTIME =
2810                "gtalk_short_network_downtime";
2811
2812        /**
2813         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2814         * will reset the heartbeat timer. The away heartbeat should be used when the user is
2815         * logged into the GTalk app, but not actively using it.
2816         */
2817        public static final String GTALK_SERVICE_AWAY_HEARTBEAT_INTERVAL_MS =
2818                "gtalk_heartbeat_ping_interval_ms";  // keep the string backward compatible
2819
2820        /**
2821         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2822         * will reset the heartbeat timer. The active heartbeat should be used when the user is
2823         * actively using the GTalk app.
2824         */
2825        public static final String GTALK_SERVICE_ACTIVE_HEARTBEAT_INTERVAL_MS =
2826                "gtalk_active_heartbeat_ping_interval_ms";
2827
2828        /**
2829         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2830         * will reset the heartbeat timer. The sync heartbeat should be used when the user isn't
2831         * logged into the GTalk app, but auto-sync is enabled.
2832         */
2833        public static final String GTALK_SERVICE_SYNC_HEARTBEAT_INTERVAL_MS =
2834                "gtalk_sync_heartbeat_ping_interval_ms";
2835
2836        /**
2837         * How frequently we send heartbeat pings to the GTalk server. Receiving a server packet
2838         * will reset the heartbeat timer. The no sync heartbeat should be used when the user isn't
2839         * logged into the GTalk app, and auto-sync is not enabled.
2840         */
2841        public static final String GTALK_SERVICE_NOSYNC_HEARTBEAT_INTERVAL_MS =
2842                "gtalk_nosync_heartbeat_ping_interval_ms";
2843
2844        /**
2845         * The maximum heartbeat interval used while on the WIFI network.
2846         */
2847        public static final String GTALK_SERVICE_WIFI_MAX_HEARTBEAT_INTERVAL_MS =
2848                "gtalk_wifi_max_heartbeat_ping_interval_ms";
2849
2850        /**
2851         * How long we wait to receive a heartbeat ping acknowledgement (or another packet)
2852         * from the GTalk server, before deeming the connection dead.
2853         */
2854        public static final String GTALK_SERVICE_HEARTBEAT_ACK_TIMEOUT_MS =
2855                "gtalk_heartbeat_ack_timeout_ms";
2856
2857        /**
2858         * How long after screen is turned off before we consider the user to be idle.
2859         */
2860        public static final String GTALK_SERVICE_IDLE_TIMEOUT_MS =
2861                "gtalk_idle_timeout_ms";
2862
2863        /**
2864         * By default, GTalkService will always connect to the server regardless of the auto-sync
2865         * setting. However, if this parameter is true, then GTalkService will only connect
2866         * if auto-sync is enabled. Using the GTalk app will trigger the connection too.
2867         */
2868        public static final String GTALK_SERVICE_CONNECT_ON_AUTO_SYNC =
2869                "gtalk_connect_on_auto_sync";
2870
2871        /**
2872         * GTalkService holds a wakelock while broadcasting the intent for data message received.
2873         * It then automatically release the wakelock after a timeout. This setting controls what
2874         * the timeout should be.
2875         */
2876        public static final String GTALK_DATA_MESSAGE_WAKELOCK_MS =
2877                "gtalk_data_message_wakelock_ms";
2878
2879        /**
2880         * The socket read timeout used to control how long ssl handshake wait for reads before
2881         * timing out. This is needed so the ssl handshake doesn't hang for a long time in some
2882         * circumstances.
2883         */
2884        public static final String GTALK_SSL_HANDSHAKE_TIMEOUT_MS =
2885                "gtalk_ssl_handshake_timeout_ms";
2886
2887        /**
2888         * Compress the gtalk stream.
2889         */
2890        public static final String GTALK_COMPRESS = "gtalk_compress";
2891
2892        /**
2893         * This is the timeout for which Google Talk will send the message using bareJID. In a
2894         * established chat between two XMPP endpoints, Google Talk uses fullJID in the format
2895         * of user@domain/resource in order to send the message to the specific client. However,
2896         * if Google Talk hasn't received a message from that client after some time, it would
2897         * fall back to use the bareJID, which would broadcast the message to all clients for
2898         * the other user.
2899         */
2900        public static final String GTALK_USE_BARE_JID_TIMEOUT_MS = "gtalk_use_barejid_timeout_ms";
2901
2902        /**
2903         * This is the threshold of retry number when there is an authentication expired failure
2904         * for Google Talk. In some situation, e.g. when a Google Apps account is disabled chat
2905         * service, the connection keeps failing. This threshold controls when we should stop
2906         * the retrying.
2907         */
2908        public static final String GTALK_MAX_RETRIES_FOR_AUTH_EXPIRED =
2909                "gtalk_max_retries_for_auth_expired";
2910
2911        /**
2912         * a boolean setting indicating whether the GTalkService should use RMQ2 protocol or not.
2913         */
2914        public static final String GTALK_USE_RMQ2_PROTOCOL =
2915                "gtalk_use_rmq2";
2916
2917        /**
2918         * a boolean setting indicating whether the GTalkService should support both RMQ and
2919         * RMQ2 protocols. This setting is true for the transitional period when we need to
2920         * support both protocols.
2921         */
2922        public static final String GTALK_SUPPORT_RMQ_AND_RMQ2_PROTOCOLS =
2923                "gtalk_support_rmq_and_rmq2";
2924
2925        /**
2926         * a boolean setting controlling whether the rmq2 protocol will include stream ids in
2927         * the protobufs. This is used for debugging.
2928         */
2929        public static final String GTALK_RMQ2_INCLUDE_STREAM_ID =
2930                "gtalk_rmq2_include_stream_id";
2931
2932        /**
2933         * when receiving a chat message from the server, the message could be an older message
2934         * whose "time sent" is x seconds from now. If x is significant enough, we want to flag
2935         * it so the UI can give it some special treatment when displaying the "time sent" for
2936         * it. This setting is to control what x is.
2937         */
2938        public static final String GTALK_OLD_CHAT_MESSAGE_THREADHOLD_IN_SEC =
2939                "gtalk_old_chat_msg_threadhold_in_sec";
2940
2941        /**
2942         * a setting to control the max connection history record GTalkService stores.
2943         */
2944        public static final String GTALK_MAX_CONNECTION_HISTORY_RECORDS =
2945                "gtalk_max_conn_history_records";
2946
2947        /**
2948         * This is gdata url to lookup album and picture info from picasa web.
2949         */
2950        public static final String GTALK_PICASA_ALBUM_URL =
2951                "gtalk_picasa_album_url";
2952
2953        /**
2954         * This is the url to lookup picture info from flickr.
2955         */
2956        public static final String GTALK_FLICKR_PHOTO_INFO_URL =
2957                "gtalk_flickr_photo_info_url";
2958
2959        /**
2960         * This is the url to lookup an actual picture from flickr.
2961         */
2962        public static final String GTALK_FLICKR_PHOTO_URL =
2963                "gtalk_flickr_photo_url";
2964
2965        /**
2966         * This is the gdata url to lookup info on a youtube video.
2967         */
2968        public static final String GTALK_YOUTUBE_VIDEO_URL =
2969                "gtalk_youtube_video_url";
2970
2971        /**
2972         * This is the url for getting the app token for server-to-device push messaging.
2973         */
2974        public static final String PUSH_MESSAGING_REGISTRATION_URL =
2975                "push_messaging_registration_url";
2976
2977	/**
2978	 * Use android://&lt;it&gt; routing infos for Google Sync Server subcriptions.
2979	 */
2980	public static final String GSYNC_USE_RMQ2_ROUTING_INFO = "gsync_use_rmq2_routing_info";
2981
2982        /**
2983         * Enable use of ssl session caching.
2984         * 'db' - save each session in a (per process) database
2985         * 'file' - save each session in a (per process) file
2986         * not set or any other value - normal java in-memory caching
2987         */
2988        public static final String SSL_SESSION_CACHE = "ssl_session_cache";
2989
2990        /**
2991         * How many bytes long a message has to be, in order to be gzipped.
2992         */
2993        public static final String SYNC_MIN_GZIP_BYTES =
2994                "sync_min_gzip_bytes";
2995
2996        /**
2997         * The hash value of the current provisioning settings
2998         */
2999        public static final String PROVISIONING_DIGEST = "digest";
3000
3001        /**
3002         * Provisioning keys to block from server update
3003         */
3004        public static final String PROVISIONING_OVERRIDE = "override";
3005
3006        /**
3007         * "Generic" service name for  authentication requests.
3008         */
3009        public static final String GOOGLE_LOGIN_GENERIC_AUTH_SERVICE
3010                = "google_login_generic_auth_service";
3011
3012        /**
3013         * Frequency in milliseconds at which we should sync the locally installed Vending Machine
3014         * content with the server.
3015         */
3016        public static final String VENDING_SYNC_FREQUENCY_MS = "vending_sync_frequency_ms";
3017
3018        /**
3019         * Support URL that is opened in a browser when user clicks on 'Help and Info' in Vending
3020         * Machine.
3021         */
3022        public static final String VENDING_SUPPORT_URL = "vending_support_url";
3023
3024        /**
3025         * Indicates if Vending Machine requires a SIM to be in the phone to allow a purchase.
3026         *
3027         * true = SIM is required
3028         * false = SIM is not required
3029         */
3030        public static final String VENDING_REQUIRE_SIM_FOR_PURCHASE =
3031                "vending_require_sim_for_purchase";
3032
3033        /**
3034         * Indicates the Vending Machine backup state. It is set if the
3035         * Vending application has been backed up at least once.
3036         */
3037        public static final String VENDING_BACKUP_STATE = "vending_backup_state";
3038
3039        /**
3040         * The current version id of the Vending Machine terms of service.
3041         */
3042        public static final String VENDING_TOS_VERSION = "vending_tos_version";
3043
3044        /**
3045         * URL that points to the terms of service for Vending Machine.
3046         */
3047        public static final String VENDING_TOS_URL = "vending_tos_url";
3048
3049        /**
3050         * URL to navigate to in browser (not Market) when the terms of service
3051         * for Vending Machine could not be accessed due to bad network
3052         * connection.
3053         */
3054        public static final String VENDING_TOS_MISSING_URL = "vending_tos_missing_url";
3055
3056        /**
3057         * Whether to use sierraqa instead of sierra tokens for the purchase flow in
3058         * Vending Machine.
3059         *
3060         * true = use sierraqa
3061         * false = use sierra (default)
3062         */
3063        public static final String VENDING_USE_CHECKOUT_QA_SERVICE =
3064                "vending_use_checkout_qa_service";
3065
3066        /**
3067         * Default value to use for all/free/priced filter in Market.
3068         * Valid values: ALL, FREE, PAID (case insensitive)
3069         */
3070        public static final String VENDING_DEFAULT_FILTER = "vending_default_filter";
3071        /**
3072         * Ranking type value to use for the first category tab (currently popular)
3073         */
3074        public static final String VENDING_TAB_1_RANKING_TYPE = "vending_tab_1_ranking_type";
3075
3076        /**
3077         * Title string to use for first category tab.
3078         */
3079        public static final String VENDING_TAB_1_TITLE = "vending_tab_1_title";
3080
3081        /**
3082         * Ranking type value to use for the second category tab (currently newest)
3083         */
3084        public static final String VENDING_TAB_2_RANKING_TYPE = "vending_tab_2_ranking_type";
3085
3086        /**
3087         * Title string to use for second category tab.
3088         */
3089        public static final String VENDING_TAB_2_TITLE = "vending_tab_2_title";
3090
3091        /**
3092         * Frequency in milliseconds at which we should request MCS heartbeats
3093         * from the Vending Machine client.
3094         */
3095        public static final String VENDING_HEARTBEAT_FREQUENCY_MS =
3096                "vending_heartbeat_frequency_ms";
3097
3098        /**
3099         * Frequency in milliseconds at which we should resend pending download
3100         * requests to the API Server from the Vending Machine client.
3101         */
3102        public static final String VENDING_PENDING_DOWNLOAD_RESEND_FREQUENCY_MS =
3103                "vending_pd_resend_frequency_ms";
3104
3105        /**
3106         * Size of buffer in bytes for Vending to use when reading cache files.
3107         */
3108        public static final String VENDING_DISK_INPUT_BUFFER_BYTES =
3109                "vending_disk_input_buffer_bytes";
3110
3111        /**
3112         * Size of buffer in bytes for Vending to use when writing cache files.
3113         */
3114        public static final String VENDING_DISK_OUTPUT_BUFFER_BYTES =
3115                "vending_disk_output_buffer_bytes";
3116
3117        /**
3118         * Frequency in milliseconds at which we should cycle through the promoted applications
3119         * on the home screen or the categories page.
3120         */
3121        public static final String VENDING_PROMO_REFRESH_FREQUENCY_MS =
3122                "vending_promo_refresh_freq_ms";
3123
3124        /**
3125         * URL that points to the legal terms of service to display in Settings.
3126         * <p>
3127         * This should be a https URL. For a pretty user-friendly URL, use
3128         * {@link #SETTINGS_TOS_PRETTY_URL}.
3129         */
3130        public static final String SETTINGS_TOS_URL = "settings_tos_url";
3131
3132        /**
3133         * URL that points to the legal terms of service to display in Settings.
3134         * <p>
3135         * This should be a pretty http URL. For the URL the device will access
3136         * via Settings, use {@link #SETTINGS_TOS_URL}.
3137         */
3138        public static final String SETTINGS_TOS_PRETTY_URL = "settings_tos_pretty_url";
3139
3140        /**
3141         * URL that points to the contributors to display in Settings.
3142         * <p>
3143         * This should be a https URL. For a pretty user-friendly URL, use
3144         * {@link #SETTINGS_CONTRIBUTORS_PRETTY_URL}.
3145         */
3146        public static final String SETTINGS_CONTRIBUTORS_URL = "settings_contributors_url";
3147
3148        /**
3149         * URL that points to the contributors to display in Settings.
3150         * <p>
3151         * This should be a pretty http URL. For the URL the device will access
3152         * via Settings, use {@link #SETTINGS_CONTRIBUTORS_URL}.
3153         */
3154        public static final String SETTINGS_CONTRIBUTORS_PRETTY_URL =
3155                "settings_contributors_pretty_url";
3156
3157        /**
3158         * URL that points to the Terms Of Service for the device.
3159         * <p>
3160         * This should be a pretty http URL.
3161         */
3162        public static final String SETUP_GOOGLE_TOS_URL = "setup_google_tos_url";
3163
3164        /**
3165         * URL that points to the Android privacy policy for the device.
3166         * <p>
3167         * This should be a pretty http URL.
3168         */
3169        public static final String SETUP_ANDROID_PRIVACY_URL = "setup_android_privacy_url";
3170
3171        /**
3172         * URL that points to the Google privacy policy for the device.
3173         * <p>
3174         * This should be a pretty http URL.
3175         */
3176        public static final String SETUP_GOOGLE_PRIVACY_URL = "setup_google_privacy_url";
3177
3178        /**
3179         * Request an MSISDN token for various Google services.
3180         */
3181        public static final String USE_MSISDN_TOKEN = "use_msisdn_token";
3182
3183        /**
3184         * RSA public key used to encrypt passwords stored in the database.
3185         */
3186        public static final String GLS_PUBLIC_KEY = "google_login_public_key";
3187
3188        /**
3189         * Only check parental control status if this is set to "true".
3190         */
3191        public static final String PARENTAL_CONTROL_CHECK_ENABLED =
3192                "parental_control_check_enabled";
3193
3194        /**
3195         * The list of applications we need to block if parental control is
3196         * enabled.
3197         */
3198        public static final String PARENTAL_CONTROL_APPS_LIST =
3199                "parental_control_apps_list";
3200
3201        /**
3202         * Duration in which parental control status is valid.
3203         */
3204        public static final String PARENTAL_CONTROL_TIMEOUT_IN_MS =
3205                "parental_control_timeout_in_ms";
3206
3207        /**
3208         * When parental control is off, we expect to get this string from the
3209         * litmus url.
3210         */
3211        public static final String PARENTAL_CONTROL_EXPECTED_RESPONSE =
3212                "parental_control_expected_response";
3213
3214        /**
3215         * When the litmus url returns a 302, declare parental control to be on
3216         * only if the redirect url matches this regular expression.
3217         */
3218        public static final String PARENTAL_CONTROL_REDIRECT_REGEX =
3219                "parental_control_redirect_regex";
3220
3221        /**
3222         * Threshold for the amount of change in disk free space required to report the amount of
3223         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3224         * frequently.
3225         */
3226        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3227                "disk_free_change_reporting_threshold";
3228
3229        /**
3230         * Prefix for new Google services published by the checkin
3231         * server.
3232         */
3233        public static final String GOOGLE_SERVICES_PREFIX
3234                = "google_services:";
3235
3236        /**
3237         * The maximum reconnect delay for short network outages or when the network is suspended
3238         * due to phone use.
3239         */
3240        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3241                "sync_max_retry_delay_in_seconds";
3242
3243        /**
3244         * Minimum percentage of free storage on the device that is used to determine if
3245         * the device is running low on storage.
3246         * Say this value is set to 10, the device is considered running low on storage
3247         * if 90% or more of the device storage is filled up.
3248         */
3249        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3250                "sys_storage_threshold_percentage";
3251
3252        /**
3253         * The interval in minutes after which the amount of free storage left on the
3254         * device is logged to the event log
3255         */
3256        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3257                "sys_free_storage_log_interval";
3258
3259        /**
3260         * The interval in milliseconds at which to check the number of SMS sent
3261         * out without asking for use permit, to limit the un-authorized SMS
3262         * usage.
3263         */
3264        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3265                "sms_outgoing_check_interval_ms";
3266
3267        /**
3268         * The number of outgoing SMS sent without asking for user permit
3269         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3270         */
3271        public static final String SMS_OUTGOING_CEHCK_MAX_COUNT =
3272                "sms_outgoing_check_max_count";
3273
3274        /**
3275         * The interval in milliseconds at which to check packet counts on the
3276         * mobile data interface when screen is on, to detect possible data
3277         * connection problems.
3278         */
3279        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3280                "pdp_watchdog_poll_interval_ms";
3281
3282        /**
3283         * The interval in milliseconds at which to check packet counts on the
3284         * mobile data interface when screen is off, to detect possible data
3285         * connection problems.
3286         */
3287        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3288                "pdp_watchdog_long_poll_interval_ms";
3289
3290        /**
3291         * The interval in milliseconds at which to check packet counts on the
3292         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3293         * outgoing packets has been reached without incoming packets.
3294         */
3295        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3296                "pdp_watchdog_error_poll_interval_ms";
3297
3298        /**
3299         * The number of outgoing packets sent without seeing an incoming packet
3300         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3301         * device is logged to the event log
3302         */
3303        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3304                "pdp_watchdog_trigger_packet_count";
3305
3306        /**
3307         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3308         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3309         * attempting data connection recovery.
3310         */
3311        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3312                "pdp_watchdog_error_poll_count";
3313
3314        /**
3315         * The number of failed PDP reset attempts before moving to something more
3316         * drastic: re-registering to the network.
3317         */
3318        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3319                "pdp_watchdog_max_pdp_reset_fail_count";
3320
3321        /**
3322         * Address to ping as a last sanity check before attempting any recovery.
3323         * Unset or set to "0.0.0.0" to skip this check.
3324         */
3325        public static final String PDP_WATCHDOG_PING_ADDRESS = "pdp_watchdog_ping_address";
3326
3327        /**
3328         * The "-w deadline" parameter for the ping, ie, the max time in
3329         * seconds to spend pinging.
3330         */
3331        public static final String PDP_WATCHDOG_PING_DEADLINE = "pdp_watchdog_ping_deadline";
3332
3333        /**
3334         * The interval in milliseconds at which to check gprs registration
3335         * after the first registration mismatch of gprs and voice service,
3336         * to detect possible data network registration problems.
3337         *
3338         */
3339        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3340                "gprs_register_check_period_ms";
3341
3342        /**
3343         * The interval in milliseconds after which Wi-Fi is considered idle.
3344         * When idle, it is possible for the device to be switched from Wi-Fi to
3345         * the mobile data network.
3346         */
3347        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3348
3349        /**
3350         * Screen timeout in milliseconds corresponding to the
3351         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3352         * possible screen timeout behavior.)
3353         */
3354        public static final String SHORT_KEYLIGHT_DELAY_MS =
3355                "short_keylight_delay_ms";
3356
3357        /**
3358         * List of test suites (local disk filename) for the automatic instrumentation test runner.
3359         * The file format is similar to automated_suites.xml, see AutoTesterService.
3360         * If this setting is missing or empty, the automatic test runner will not start.
3361         */
3362        public static final String AUTOTEST_SUITES_FILE = "autotest_suites_file";
3363
3364        /**
3365         * Interval between synchronous checkins forced by the automatic test runner.
3366         * If you set this to a value smaller than CHECKIN_INTERVAL, then the test runner's
3367         * frequent checkins will prevent asynchronous background checkins from interfering
3368         * with any performance measurements.
3369         */
3370        public static final String AUTOTEST_CHECKIN_SECONDS = "autotest_checkin_seconds";
3371
3372        /**
3373         * Interval between reboots forced by the automatic test runner.
3374         */
3375        public static final String AUTOTEST_REBOOT_SECONDS = "autotest_reboot_seconds";
3376
3377
3378        /**
3379         * Threshold values for the duration and level of a discharge cycle, under
3380         * which we log discharge cycle info.
3381         */
3382        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3383                "battery_discharge_duration_threshold";
3384        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3385
3386        /**
3387         * An email address that anr bugreports should be sent to.
3388         */
3389        public static final String ANR_BUGREPORT_RECIPIENT = "anr_bugreport_recipient";
3390
3391        /**
3392         * Flag for allowing service provider to use location information to improve products and
3393         * services.
3394         * Type: int ( 0 = disallow, 1 = allow )
3395         * @deprecated
3396         */
3397        public static final String USE_LOCATION_FOR_SERVICES = "use_location";
3398
3399        /**
3400         * The length of the calendar sync window into the future.
3401         * This specifies the number of days into the future for the sliding window sync.
3402         * Setting this to zero will disable sliding sync.
3403         */
3404        public static final String GOOGLE_CALENDAR_SYNC_WINDOW_DAYS =
3405                "google_calendar_sync_window_days";
3406
3407        /**
3408         * How often to update the calendar sync window.
3409         * The window will be advanced every n days.
3410         */
3411        public static final String GOOGLE_CALENDAR_SYNC_WINDOW_UPDATE_DAYS =
3412                "google_calendar_sync_window_update_days";
3413
3414        /**
3415         * @deprecated
3416         * @hide
3417         */
3418        @Deprecated  // Obviated by NameValueCache: just fetch the value directly.
3419        public static class QueryMap extends ContentQueryMap {
3420
3421            public QueryMap(ContentResolver contentResolver, Cursor cursor, boolean keepUpdated,
3422                    Handler handlerForUpdateNotifications) {
3423                super(cursor, NAME, keepUpdated, handlerForUpdateNotifications);
3424            }
3425
3426            public QueryMap(ContentResolver contentResolver, boolean keepUpdated,
3427                    Handler handlerForUpdateNotifications) {
3428                this(contentResolver,
3429                        contentResolver.query(CONTENT_URI, null, null, null, null),
3430                        keepUpdated, handlerForUpdateNotifications);
3431            }
3432
3433            public String getString(String name) {
3434                ContentValues cv = getValues(name);
3435                if (cv == null) return null;
3436                return cv.getAsString(VALUE);
3437            }
3438        }
3439
3440    }
3441
3442    /**
3443     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
3444     * Intent URL, allowing it to be either a web page or a particular
3445     * application activity.
3446     *
3447     * @hide
3448     */
3449    public static final class Bookmarks implements BaseColumns
3450    {
3451        private static final String TAG = "Bookmarks";
3452
3453        /**
3454         * The content:// style URL for this table
3455         */
3456        public static final Uri CONTENT_URI =
3457            Uri.parse("content://" + AUTHORITY + "/bookmarks");
3458
3459        /**
3460         * The row ID.
3461         * <p>Type: INTEGER</p>
3462         */
3463        public static final String ID = "_id";
3464
3465        /**
3466         * Descriptive name of the bookmark that can be displayed to the user.
3467         * If this is empty, the title should be resolved at display time (use
3468         * {@link #getTitle(Context, Cursor)} any time you want to display the
3469         * title of a bookmark.)
3470         * <P>
3471         * Type: TEXT
3472         * </P>
3473         */
3474        public static final String TITLE = "title";
3475
3476        /**
3477         * Arbitrary string (displayed to the user) that allows bookmarks to be
3478         * organized into categories.  There are some special names for
3479         * standard folders, which all start with '@'.  The label displayed for
3480         * the folder changes with the locale (via {@link #getLabelForFolder}) but
3481         * the folder name does not change so you can consistently query for
3482         * the folder regardless of the current locale.
3483         *
3484         * <P>Type: TEXT</P>
3485         *
3486         */
3487        public static final String FOLDER = "folder";
3488
3489        /**
3490         * The Intent URL of the bookmark, describing what it points to.  This
3491         * value is given to {@link android.content.Intent#getIntent} to create
3492         * an Intent that can be launched.
3493         * <P>Type: TEXT</P>
3494         */
3495        public static final String INTENT = "intent";
3496
3497        /**
3498         * Optional shortcut character associated with this bookmark.
3499         * <P>Type: INTEGER</P>
3500         */
3501        public static final String SHORTCUT = "shortcut";
3502
3503        /**
3504         * The order in which the bookmark should be displayed
3505         * <P>Type: INTEGER</P>
3506         */
3507        public static final String ORDERING = "ordering";
3508
3509        private static final String[] sIntentProjection = { INTENT };
3510        private static final String[] sShortcutProjection = { ID, SHORTCUT };
3511        private static final String sShortcutSelection = SHORTCUT + "=?";
3512
3513        /**
3514         * Convenience function to retrieve the bookmarked Intent for a
3515         * particular shortcut key.
3516         *
3517         * @param cr The ContentResolver to query.
3518         * @param shortcut The shortcut key.
3519         *
3520         * @return Intent The bookmarked URL, or null if there is no bookmark
3521         *         matching the given shortcut.
3522         */
3523        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
3524        {
3525            Intent intent = null;
3526
3527            Cursor c = cr.query(CONTENT_URI,
3528                    sIntentProjection, sShortcutSelection,
3529                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
3530            // Keep trying until we find a valid shortcut
3531            try {
3532                while (intent == null && c.moveToNext()) {
3533                    try {
3534                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
3535                        intent = Intent.getIntent(intentURI);
3536                    } catch (java.net.URISyntaxException e) {
3537                        // The stored URL is bad...  ignore it.
3538                    } catch (IllegalArgumentException e) {
3539                        // Column not found
3540                        Log.e(TAG, "Intent column not found", e);
3541                    }
3542                }
3543            } finally {
3544                if (c != null) c.close();
3545            }
3546
3547            return intent;
3548        }
3549
3550        /**
3551         * Add a new bookmark to the system.
3552         *
3553         * @param cr The ContentResolver to query.
3554         * @param intent The desired target of the bookmark.
3555         * @param title Bookmark title that is shown to the user; null if none
3556         *            or it should be resolved to the intent's title.
3557         * @param folder Folder in which to place the bookmark; null if none.
3558         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
3559         *            this is non-zero and there is an existing bookmark entry
3560         *            with this same shortcut, then that existing shortcut is
3561         *            cleared (the bookmark is not removed).
3562         * @return The unique content URL for the new bookmark entry.
3563         */
3564        public static Uri add(ContentResolver cr,
3565                                           Intent intent,
3566                                           String title,
3567                                           String folder,
3568                                           char shortcut,
3569                                           int ordering)
3570        {
3571            // If a shortcut is supplied, and it is already defined for
3572            // another bookmark, then remove the old definition.
3573            if (shortcut != 0) {
3574                Cursor c = cr.query(CONTENT_URI,
3575                        sShortcutProjection, sShortcutSelection,
3576                        new String[] { String.valueOf((int) shortcut) }, null);
3577                try {
3578                    if (c.moveToFirst()) {
3579                        while (c.getCount() > 0) {
3580                            if (!c.deleteRow()) {
3581                                Log.w(TAG, "Could not delete existing shortcut row");
3582                            }
3583                        }
3584                    }
3585                } finally {
3586                    if (c != null) c.close();
3587                }
3588            }
3589
3590            ContentValues values = new ContentValues();
3591            if (title != null) values.put(TITLE, title);
3592            if (folder != null) values.put(FOLDER, folder);
3593            values.put(INTENT, intent.toURI());
3594            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
3595            values.put(ORDERING, ordering);
3596            return cr.insert(CONTENT_URI, values);
3597        }
3598
3599        /**
3600         * Return the folder name as it should be displayed to the user.  This
3601         * takes care of localizing special folders.
3602         *
3603         * @param r Resources object for current locale; only need access to
3604         *          system resources.
3605         * @param folder The value found in the {@link #FOLDER} column.
3606         *
3607         * @return CharSequence The label for this folder that should be shown
3608         *         to the user.
3609         */
3610        public static CharSequence getLabelForFolder(Resources r, String folder) {
3611            return folder;
3612        }
3613
3614        /**
3615         * Return the title as it should be displayed to the user. This takes
3616         * care of localizing bookmarks that point to activities.
3617         *
3618         * @param context A context.
3619         * @param cursor A cursor pointing to the row whose title should be
3620         *        returned. The cursor must contain at least the {@link #TITLE}
3621         *        and {@link #INTENT} columns.
3622         * @return A title that is localized and can be displayed to the user,
3623         *         or the empty string if one could not be found.
3624         */
3625        public static CharSequence getTitle(Context context, Cursor cursor) {
3626            int titleColumn = cursor.getColumnIndex(TITLE);
3627            int intentColumn = cursor.getColumnIndex(INTENT);
3628            if (titleColumn == -1 || intentColumn == -1) {
3629                throw new IllegalArgumentException(
3630                        "The cursor must contain the TITLE and INTENT columns.");
3631            }
3632
3633            String title = cursor.getString(titleColumn);
3634            if (!TextUtils.isEmpty(title)) {
3635                return title;
3636            }
3637
3638            String intentUri = cursor.getString(intentColumn);
3639            if (TextUtils.isEmpty(intentUri)) {
3640                return "";
3641            }
3642
3643            Intent intent;
3644            try {
3645                intent = Intent.getIntent(intentUri);
3646            } catch (URISyntaxException e) {
3647                return "";
3648            }
3649
3650            PackageManager packageManager = context.getPackageManager();
3651            ResolveInfo info = packageManager.resolveActivity(intent, 0);
3652            return info != null ? info.loadLabel(packageManager) : "";
3653        }
3654    }
3655
3656    /**
3657     * Returns the device ID that we should use when connecting to the mobile gtalk server.
3658     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
3659     * from the GoogleLoginService.
3660     *
3661     * @param androidId The Android ID for this device.
3662     * @return The device ID that should be used when connecting to the mobile gtalk server.
3663     * @hide
3664     */
3665    public static String getGTalkDeviceId(long androidId) {
3666        return "android-" + Long.toHexString(androidId);
3667    }
3668}
3669