Settings.java revision 3ef889bf561e59561ff2c6c4b2ffb586b9c5af5c
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 android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.app.SearchManager;
22import android.content.ComponentName;
23import android.content.ContentResolver;
24import android.content.ContentValues;
25import android.content.Context;
26import android.content.IContentProvider;
27import android.content.Intent;
28import android.content.pm.ActivityInfo;
29import android.content.pm.PackageManager;
30import android.content.pm.ResolveInfo;
31import android.content.res.Configuration;
32import android.content.res.Resources;
33import android.database.Cursor;
34import android.database.SQLException;
35import android.net.Uri;
36import android.net.wifi.WifiManager;
37import android.os.BatteryManager;
38import android.os.Bundle;
39import android.os.IBinder;
40import android.os.Process;
41import android.os.RemoteException;
42import android.os.ServiceManager;
43import android.os.SystemProperties;
44import android.os.UserId;
45import android.speech.tts.TextToSpeech;
46import android.text.TextUtils;
47import android.util.AndroidException;
48import android.util.Log;
49import android.view.WindowOrientationListener;
50
51import com.android.internal.widget.ILockSettings;
52
53import java.net.URISyntaxException;
54import java.util.HashMap;
55import java.util.HashSet;
56
57/**
58 * The Settings provider contains global system-level device preferences.
59 */
60public final class Settings {
61
62    // Intent actions for Settings
63
64    /**
65     * Activity Action: Show system settings.
66     * <p>
67     * Input: Nothing.
68     * <p>
69     * Output: Nothing.
70     */
71    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
72    public static final String ACTION_SETTINGS = "android.settings.SETTINGS";
73
74    /**
75     * Activity Action: Show settings to allow configuration of APNs.
76     * <p>
77     * Input: Nothing.
78     * <p>
79     * Output: Nothing.
80     */
81    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
82    public static final String ACTION_APN_SETTINGS = "android.settings.APN_SETTINGS";
83
84    /**
85     * Activity Action: Show settings to allow configuration of current location
86     * sources.
87     * <p>
88     * In some cases, a matching Activity may not exist, so ensure you
89     * safeguard against this.
90     * <p>
91     * Input: Nothing.
92     * <p>
93     * Output: Nothing.
94     */
95    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
96    public static final String ACTION_LOCATION_SOURCE_SETTINGS =
97            "android.settings.LOCATION_SOURCE_SETTINGS";
98
99    /**
100     * Activity Action: Show settings to allow configuration of wireless controls
101     * such as Wi-Fi, Bluetooth and Mobile networks.
102     * <p>
103     * In some cases, a matching Activity may not exist, so ensure you
104     * safeguard against this.
105     * <p>
106     * Input: Nothing.
107     * <p>
108     * Output: Nothing.
109     */
110    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
111    public static final String ACTION_WIRELESS_SETTINGS =
112            "android.settings.WIRELESS_SETTINGS";
113
114    /**
115     * Activity Action: Show settings to allow entering/exiting airplane mode.
116     * <p>
117     * In some cases, a matching Activity may not exist, so ensure you
118     * safeguard against this.
119     * <p>
120     * Input: Nothing.
121     * <p>
122     * Output: Nothing.
123     */
124    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
125    public static final String ACTION_AIRPLANE_MODE_SETTINGS =
126            "android.settings.AIRPLANE_MODE_SETTINGS";
127
128    /**
129     * Activity Action: Show settings for accessibility modules.
130     * <p>
131     * In some cases, a matching Activity may not exist, so ensure you
132     * safeguard against this.
133     * <p>
134     * Input: Nothing.
135     * <p>
136     * Output: Nothing.
137     */
138    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
139    public static final String ACTION_ACCESSIBILITY_SETTINGS =
140            "android.settings.ACCESSIBILITY_SETTINGS";
141
142    /**
143     * Activity Action: Show settings to allow configuration of security and
144     * location privacy.
145     * <p>
146     * In some cases, a matching Activity may not exist, so ensure you
147     * safeguard against this.
148     * <p>
149     * Input: Nothing.
150     * <p>
151     * Output: Nothing.
152     */
153    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
154    public static final String ACTION_SECURITY_SETTINGS =
155            "android.settings.SECURITY_SETTINGS";
156
157    /**
158     * Activity Action: Show settings to allow configuration of privacy options.
159     * <p>
160     * In some cases, a matching Activity may not exist, so ensure you
161     * safeguard against this.
162     * <p>
163     * Input: Nothing.
164     * <p>
165     * Output: Nothing.
166     */
167    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
168    public static final String ACTION_PRIVACY_SETTINGS =
169            "android.settings.PRIVACY_SETTINGS";
170
171    /**
172     * Activity Action: Show settings to allow configuration of Wi-Fi.
173
174     * <p>
175     * In some cases, a matching Activity may not exist, so ensure you
176     * safeguard against this.
177     * <p>
178     * Input: Nothing.
179     * <p>
180     * Output: Nothing.
181
182     */
183    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
184    public static final String ACTION_WIFI_SETTINGS =
185            "android.settings.WIFI_SETTINGS";
186
187    /**
188     * Activity Action: Show settings to allow configuration of a static IP
189     * address for Wi-Fi.
190     * <p>
191     * In some cases, a matching Activity may not exist, so ensure you safeguard
192     * against this.
193     * <p>
194     * Input: Nothing.
195     * <p>
196     * Output: Nothing.
197     */
198    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
199    public static final String ACTION_WIFI_IP_SETTINGS =
200            "android.settings.WIFI_IP_SETTINGS";
201
202    /**
203     * Activity Action: Show settings to allow configuration of Bluetooth.
204     * <p>
205     * In some cases, a matching Activity may not exist, so ensure you
206     * safeguard against this.
207     * <p>
208     * Input: Nothing.
209     * <p>
210     * Output: Nothing.
211     */
212    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
213    public static final String ACTION_BLUETOOTH_SETTINGS =
214            "android.settings.BLUETOOTH_SETTINGS";
215
216    /**
217     * Activity Action: Show settings to allow configuration of date and time.
218     * <p>
219     * In some cases, a matching Activity may not exist, so ensure you
220     * safeguard against this.
221     * <p>
222     * Input: Nothing.
223     * <p>
224     * Output: Nothing.
225     */
226    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
227    public static final String ACTION_DATE_SETTINGS =
228            "android.settings.DATE_SETTINGS";
229
230    /**
231     * Activity Action: Show settings to allow configuration of sound and volume.
232     * <p>
233     * In some cases, a matching Activity may not exist, so ensure you
234     * safeguard against this.
235     * <p>
236     * Input: Nothing.
237     * <p>
238     * Output: Nothing.
239     */
240    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
241    public static final String ACTION_SOUND_SETTINGS =
242            "android.settings.SOUND_SETTINGS";
243
244    /**
245     * Activity Action: Show settings to allow configuration of display.
246     * <p>
247     * In some cases, a matching Activity may not exist, so ensure you
248     * safeguard against this.
249     * <p>
250     * Input: Nothing.
251     * <p>
252     * Output: Nothing.
253     */
254    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
255    public static final String ACTION_DISPLAY_SETTINGS =
256            "android.settings.DISPLAY_SETTINGS";
257
258    /**
259     * Activity Action: Show settings to allow configuration of locale.
260     * <p>
261     * In some cases, a matching Activity may not exist, so ensure you
262     * safeguard against this.
263     * <p>
264     * Input: Nothing.
265     * <p>
266     * Output: Nothing.
267     */
268    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
269    public static final String ACTION_LOCALE_SETTINGS =
270            "android.settings.LOCALE_SETTINGS";
271
272    /**
273     * Activity Action: Show settings to configure input methods, in particular
274     * allowing the user to enable input methods.
275     * <p>
276     * In some cases, a matching Activity may not exist, so ensure you
277     * safeguard against this.
278     * <p>
279     * Input: Nothing.
280     * <p>
281     * Output: Nothing.
282     */
283    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
284    public static final String ACTION_INPUT_METHOD_SETTINGS =
285            "android.settings.INPUT_METHOD_SETTINGS";
286
287    /**
288     * Activity Action: Show settings to enable/disable input method subtypes.
289     * <p>
290     * In some cases, a matching Activity may not exist, so ensure you
291     * safeguard against this.
292     * <p>
293     * To tell which input method's subtypes are displayed in the settings, add
294     * {@link #EXTRA_INPUT_METHOD_ID} extra to this Intent with the input method id.
295     * If there is no extra in this Intent, subtypes from all installed input methods
296     * will be displayed in the settings.
297     *
298     * @see android.view.inputmethod.InputMethodInfo#getId
299     * <p>
300     * Input: Nothing.
301     * <p>
302     * Output: Nothing.
303     */
304    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
305    public static final String ACTION_INPUT_METHOD_SUBTYPE_SETTINGS =
306            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
307
308    /**
309     * Activity Action: Show a dialog to select input method.
310     * <p>
311     * In some cases, a matching Activity may not exist, so ensure you
312     * safeguard against this.
313     * <p>
314     * Input: Nothing.
315     * <p>
316     * Output: Nothing.
317     * @hide
318     */
319    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
320    public static final String ACTION_SHOW_INPUT_METHOD_PICKER =
321            "android.settings.SHOW_INPUT_METHOD_PICKER";
322
323    /**
324     * Activity Action: Show settings to manage the user input dictionary.
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    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
334    public static final String ACTION_USER_DICTIONARY_SETTINGS =
335            "android.settings.USER_DICTIONARY_SETTINGS";
336
337    /**
338     * Activity Action: Adds a word to the user dictionary.
339     * <p>
340     * In some cases, a matching Activity may not exist, so ensure you
341     * safeguard against this.
342     * <p>
343     * Input: An extra with key <code>word</code> that contains the word
344     * that should be added to the dictionary.
345     * <p>
346     * Output: Nothing.
347     *
348     * @hide
349     */
350    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
351    public static final String ACTION_USER_DICTIONARY_INSERT =
352            "com.android.settings.USER_DICTIONARY_INSERT";
353
354    /**
355     * Activity Action: Show settings to allow configuration of application-related settings.
356     * <p>
357     * In some cases, a matching Activity may not exist, so ensure you
358     * safeguard against this.
359     * <p>
360     * Input: Nothing.
361     * <p>
362     * Output: Nothing.
363     */
364    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
365    public static final String ACTION_APPLICATION_SETTINGS =
366            "android.settings.APPLICATION_SETTINGS";
367
368    /**
369     * Activity Action: Show settings to allow configuration of application
370     * development-related settings.
371     * <p>
372     * In some cases, a matching Activity may not exist, so ensure you safeguard
373     * against this.
374     * <p>
375     * Input: Nothing.
376     * <p>
377     * Output: Nothing.
378     */
379    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
380    public static final String ACTION_APPLICATION_DEVELOPMENT_SETTINGS =
381            "android.settings.APPLICATION_DEVELOPMENT_SETTINGS";
382
383    /**
384     * Activity Action: Show settings to allow configuration of quick launch shortcuts.
385     * <p>
386     * In some cases, a matching Activity may not exist, so ensure you
387     * safeguard against this.
388     * <p>
389     * Input: Nothing.
390     * <p>
391     * Output: Nothing.
392     */
393    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
394    public static final String ACTION_QUICK_LAUNCH_SETTINGS =
395            "android.settings.QUICK_LAUNCH_SETTINGS";
396
397    /**
398     * Activity Action: Show settings to manage installed applications.
399     * <p>
400     * In some cases, a matching Activity may not exist, so ensure you
401     * safeguard against this.
402     * <p>
403     * Input: Nothing.
404     * <p>
405     * Output: Nothing.
406     */
407    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
408    public static final String ACTION_MANAGE_APPLICATIONS_SETTINGS =
409            "android.settings.MANAGE_APPLICATIONS_SETTINGS";
410
411    /**
412     * Activity Action: Show settings to manage all applications.
413     * <p>
414     * In some cases, a matching Activity may not exist, so ensure you
415     * safeguard against this.
416     * <p>
417     * Input: Nothing.
418     * <p>
419     * Output: Nothing.
420     */
421    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
422    public static final String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS =
423            "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
424
425    /**
426     * Activity Action: Show screen of details about a particular application.
427     * <p>
428     * In some cases, a matching Activity may not exist, so ensure you
429     * safeguard against this.
430     * <p>
431     * Input: The Intent's data URI specifies the application package name
432     * to be shown, with the "package" scheme.  That is "package:com.my.app".
433     * <p>
434     * Output: Nothing.
435     */
436    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
437    public static final String ACTION_APPLICATION_DETAILS_SETTINGS =
438            "android.settings.APPLICATION_DETAILS_SETTINGS";
439
440    /**
441     * Activity Action: Show settings for system update functionality.
442     * <p>
443     * In some cases, a matching Activity may not exist, so ensure you
444     * safeguard against this.
445     * <p>
446     * Input: Nothing.
447     * <p>
448     * Output: Nothing.
449     *
450     * @hide
451     */
452    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
453    public static final String ACTION_SYSTEM_UPDATE_SETTINGS =
454            "android.settings.SYSTEM_UPDATE_SETTINGS";
455
456    /**
457     * Activity Action: Show settings to allow configuration of sync settings.
458     * <p>
459     * In some cases, a matching Activity may not exist, so ensure you
460     * safeguard against this.
461     * <p>
462     * The account types available to add via the add account button may be restricted by adding an
463     * {@link #EXTRA_AUTHORITIES} extra to this Intent with one or more syncable content provider's
464     * authorities. Only account types which can sync with that content provider will be offered to
465     * the user.
466     * <p>
467     * Input: Nothing.
468     * <p>
469     * Output: Nothing.
470     */
471    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
472    public static final String ACTION_SYNC_SETTINGS =
473            "android.settings.SYNC_SETTINGS";
474
475    /**
476     * Activity Action: Show add account screen for creating a new account.
477     * <p>
478     * In some cases, a matching Activity may not exist, so ensure you
479     * safeguard against this.
480     * <p>
481     * The account types available to add may be restricted by adding an {@link #EXTRA_AUTHORITIES}
482     * extra to the Intent with one or more syncable content provider's authorities.  Only account
483     * types which can sync with that content provider will be offered to the user.
484     * <p>
485     * Input: Nothing.
486     * <p>
487     * Output: Nothing.
488     */
489    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
490    public static final String ACTION_ADD_ACCOUNT =
491            "android.settings.ADD_ACCOUNT_SETTINGS";
492
493    /**
494     * Activity Action: Show settings for selecting the network operator.
495     * <p>
496     * In some cases, a matching Activity may not exist, so ensure you
497     * safeguard against this.
498     * <p>
499     * Input: Nothing.
500     * <p>
501     * Output: Nothing.
502     */
503    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
504    public static final String ACTION_NETWORK_OPERATOR_SETTINGS =
505            "android.settings.NETWORK_OPERATOR_SETTINGS";
506
507    /**
508     * Activity Action: Show settings for selection of 2G/3G.
509     * <p>
510     * In some cases, a matching Activity may not exist, so ensure you
511     * safeguard against this.
512     * <p>
513     * Input: Nothing.
514     * <p>
515     * Output: Nothing.
516     */
517    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
518    public static final String ACTION_DATA_ROAMING_SETTINGS =
519            "android.settings.DATA_ROAMING_SETTINGS";
520
521    /**
522     * Activity Action: Show settings for internal storage.
523     * <p>
524     * In some cases, a matching Activity may not exist, so ensure you
525     * safeguard against this.
526     * <p>
527     * Input: Nothing.
528     * <p>
529     * Output: Nothing.
530     */
531    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
532    public static final String ACTION_INTERNAL_STORAGE_SETTINGS =
533            "android.settings.INTERNAL_STORAGE_SETTINGS";
534    /**
535     * Activity Action: Show settings for memory card storage.
536     * <p>
537     * In some cases, a matching Activity may not exist, so ensure you
538     * safeguard against this.
539     * <p>
540     * Input: Nothing.
541     * <p>
542     * Output: Nothing.
543     */
544    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
545    public static final String ACTION_MEMORY_CARD_SETTINGS =
546            "android.settings.MEMORY_CARD_SETTINGS";
547
548    /**
549     * Activity Action: Show settings for global search.
550     * <p>
551     * In some cases, a matching Activity may not exist, so ensure you
552     * safeguard against this.
553     * <p>
554     * Input: Nothing.
555     * <p>
556     * Output: Nothing
557     */
558    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
559    public static final String ACTION_SEARCH_SETTINGS =
560        "android.search.action.SEARCH_SETTINGS";
561
562    /**
563     * Activity Action: Show general device information settings (serial
564     * number, software version, phone number, etc.).
565     * <p>
566     * In some cases, a matching Activity may not exist, so ensure you
567     * safeguard against this.
568     * <p>
569     * Input: Nothing.
570     * <p>
571     * Output: Nothing
572     */
573    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
574    public static final String ACTION_DEVICE_INFO_SETTINGS =
575        "android.settings.DEVICE_INFO_SETTINGS";
576
577    /**
578     * Activity Action: Show NFC settings.
579     * <p>
580     * This shows UI that allows NFC to be turned on or off.
581     * <p>
582     * In some cases, a matching Activity may not exist, so ensure you
583     * safeguard against this.
584     * <p>
585     * Input: Nothing.
586     * <p>
587     * Output: Nothing
588     * @see android.nfc.NfcAdapter#isEnabled()
589     */
590    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
591    public static final String ACTION_NFC_SETTINGS = "android.settings.NFC_SETTINGS";
592
593    /**
594     * Activity Action: Show NFC Sharing settings.
595     * <p>
596     * This shows UI that allows NDEF Push (Android Beam) to be turned on or
597     * off.
598     * <p>
599     * In some cases, a matching Activity may not exist, so ensure you
600     * safeguard against this.
601     * <p>
602     * Input: Nothing.
603     * <p>
604     * Output: Nothing
605     * @see android.nfc.NfcAdapter#isNdefPushEnabled()
606     */
607    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
608    public static final String ACTION_NFCSHARING_SETTINGS =
609        "android.settings.NFCSHARING_SETTINGS";
610
611    // End of Intent actions for Settings
612
613    /**
614     * @hide - Private call() method on SettingsProvider to read from 'system' table.
615     */
616    public static final String CALL_METHOD_GET_SYSTEM = "GET_system";
617
618    /**
619     * @hide - Private call() method on SettingsProvider to read from 'secure' table.
620     */
621    public static final String CALL_METHOD_GET_SECURE = "GET_secure";
622
623    /**
624     * Activity Extra: Limit available options in launched activity based on the given authority.
625     * <p>
626     * This can be passed as an extra field in an Activity Intent with one or more syncable content
627     * provider's authorities as a String[]. This field is used by some intents to alter the
628     * behavior of the called activity.
629     * <p>
630     * Example: The {@link #ACTION_ADD_ACCOUNT} intent restricts the account types available based
631     * on the authority given.
632     */
633    public static final String EXTRA_AUTHORITIES =
634            "authorities";
635
636    public static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
637
638    private static final String JID_RESOURCE_PREFIX = "android";
639
640    public static final String AUTHORITY = "settings";
641
642    private static final String TAG = "Settings";
643    private static final boolean LOCAL_LOGV = false || false;
644
645    public static class SettingNotFoundException extends AndroidException {
646        public SettingNotFoundException(String msg) {
647            super(msg);
648        }
649    }
650
651    /**
652     * Common base for tables of name/value settings.
653     */
654    public static class NameValueTable implements BaseColumns {
655        public static final String NAME = "name";
656        public static final String VALUE = "value";
657
658        protected static boolean putString(ContentResolver resolver, Uri uri,
659                String name, String value) {
660            // The database will take care of replacing duplicates.
661            try {
662                ContentValues values = new ContentValues();
663                values.put(NAME, name);
664                values.put(VALUE, value);
665                resolver.insert(uri, values);
666                return true;
667            } catch (SQLException e) {
668                Log.w(TAG, "Can't set key " + name + " in " + uri, e);
669                return false;
670            }
671        }
672
673        public static Uri getUriFor(Uri uri, String name) {
674            return Uri.withAppendedPath(uri, name);
675        }
676    }
677
678    // Thread-safe.
679    private static class NameValueCache {
680        private final String mVersionSystemProperty;
681        private final Uri mUri;
682
683        private static final String[] SELECT_VALUE =
684            new String[] { Settings.NameValueTable.VALUE };
685        private static final String NAME_EQ_PLACEHOLDER = "name=?";
686
687        // Must synchronize on 'this' to access mValues and mValuesVersion.
688        private final HashMap<String, String> mValues = new HashMap<String, String>();
689        private long mValuesVersion = 0;
690
691        // Initially null; set lazily and held forever.  Synchronized on 'this'.
692        private IContentProvider mContentProvider = null;
693
694        // The method we'll call (or null, to not use) on the provider
695        // for the fast path of retrieving settings.
696        private final String mCallCommand;
697
698        public NameValueCache(String versionSystemProperty, Uri uri, String callCommand) {
699            mVersionSystemProperty = versionSystemProperty;
700            mUri = uri;
701            mCallCommand = callCommand;
702        }
703
704        public String getString(ContentResolver cr, String name) {
705            long newValuesVersion = SystemProperties.getLong(mVersionSystemProperty, 0);
706
707            synchronized (this) {
708                if (mValuesVersion != newValuesVersion) {
709                    if (LOCAL_LOGV) {
710                        Log.v(TAG, "invalidate [" + mUri.getLastPathSegment() + "]: current " +
711                                newValuesVersion + " != cached " + mValuesVersion);
712                    }
713
714                    mValues.clear();
715                    mValuesVersion = newValuesVersion;
716                }
717
718                if (mValues.containsKey(name)) {
719                    return mValues.get(name);  // Could be null, that's OK -- negative caching
720                }
721            }
722
723            IContentProvider cp = null;
724            synchronized (this) {
725                cp = mContentProvider;
726                if (cp == null) {
727                    cp = mContentProvider = cr.acquireProvider(mUri.getAuthority());
728                }
729            }
730
731            // Try the fast path first, not using query().  If this
732            // fails (alternate Settings provider that doesn't support
733            // this interface?) then we fall back to the query/table
734            // interface.
735            if (mCallCommand != null) {
736                try {
737                    Bundle b = cp.call(mCallCommand, name, null);
738                    if (b != null) {
739                        String value = b.getPairValue();
740                        synchronized (this) {
741                            mValues.put(name, value);
742                        }
743                        return value;
744                    }
745                    // If the response Bundle is null, we fall through
746                    // to the query interface below.
747                } catch (RemoteException e) {
748                    // Not supported by the remote side?  Fall through
749                    // to query().
750                }
751            }
752
753            Cursor c = null;
754            try {
755                c = cp.query(mUri, SELECT_VALUE, NAME_EQ_PLACEHOLDER,
756                             new String[]{name}, null, null);
757                if (c == null) {
758                    Log.w(TAG, "Can't get key " + name + " from " + mUri);
759                    return null;
760                }
761
762                String value = c.moveToNext() ? c.getString(0) : null;
763                synchronized (this) {
764                    mValues.put(name, value);
765                }
766                if (LOCAL_LOGV) {
767                    Log.v(TAG, "cache miss [" + mUri.getLastPathSegment() + "]: " +
768                            name + " = " + (value == null ? "(null)" : value));
769                }
770                return value;
771            } catch (RemoteException e) {
772                Log.w(TAG, "Can't get key " + name + " from " + mUri, e);
773                return null;  // Return null, but don't cache it.
774            } finally {
775                if (c != null) c.close();
776            }
777        }
778    }
779
780    /**
781     * System settings, containing miscellaneous system preferences.  This
782     * table holds simple name/value pairs.  There are convenience
783     * functions for accessing individual settings entries.
784     */
785    public static final class System extends NameValueTable {
786        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_system_version";
787
788        // Populated lazily, guarded by class object:
789        private static NameValueCache sNameValueCache = null;
790
791        private static final HashSet<String> MOVED_TO_SECURE;
792        static {
793            MOVED_TO_SECURE = new HashSet<String>(30);
794            MOVED_TO_SECURE.add(Secure.ADB_ENABLED);
795            MOVED_TO_SECURE.add(Secure.ANDROID_ID);
796            MOVED_TO_SECURE.add(Secure.BLUETOOTH_ON);
797            MOVED_TO_SECURE.add(Secure.DATA_ROAMING);
798            MOVED_TO_SECURE.add(Secure.DEVICE_PROVISIONED);
799            MOVED_TO_SECURE.add(Secure.HTTP_PROXY);
800            MOVED_TO_SECURE.add(Secure.INSTALL_NON_MARKET_APPS);
801            MOVED_TO_SECURE.add(Secure.LOCATION_PROVIDERS_ALLOWED);
802            MOVED_TO_SECURE.add(Secure.LOCK_BIOMETRIC_WEAK_FLAGS);
803            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_ENABLED);
804            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_VISIBLE);
805            MOVED_TO_SECURE.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
806            MOVED_TO_SECURE.add(Secure.LOGGING_ID);
807            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_ENABLED);
808            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_LAST_UPDATE);
809            MOVED_TO_SECURE.add(Secure.PARENTAL_CONTROL_REDIRECT_URL);
810            MOVED_TO_SECURE.add(Secure.SETTINGS_CLASSNAME);
811            MOVED_TO_SECURE.add(Secure.USB_MASS_STORAGE_ENABLED);
812            MOVED_TO_SECURE.add(Secure.USE_GOOGLE_MAIL);
813            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON);
814            MOVED_TO_SECURE.add(Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY);
815            MOVED_TO_SECURE.add(Secure.WIFI_NUM_OPEN_NETWORKS_KEPT);
816            MOVED_TO_SECURE.add(Secure.WIFI_ON);
817            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE);
818            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_AP_COUNT);
819            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS);
820            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED);
821            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS);
822            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT);
823            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_MAX_AP_CHECKS);
824            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_ON);
825            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_COUNT);
826            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_DELAY_MS);
827            MOVED_TO_SECURE.add(Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS);
828        }
829
830        /**
831         * Look up a name in the database.
832         * @param resolver to access the database with
833         * @param name to look up in the table
834         * @return the corresponding value, or null if not present
835         */
836        public synchronized static String getString(ContentResolver resolver, String name) {
837            if (MOVED_TO_SECURE.contains(name)) {
838                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
839                        + " to android.provider.Settings.Secure, returning read-only value.");
840                return Secure.getString(resolver, name);
841            }
842            if (sNameValueCache == null) {
843                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
844                                                     CALL_METHOD_GET_SYSTEM);
845            }
846            return sNameValueCache.getString(resolver, name);
847        }
848
849        /**
850         * Store a name/value pair into the database.
851         * @param resolver to access the database with
852         * @param name to store
853         * @param value to associate with the name
854         * @return true if the value was set, false on database errors
855         */
856        public static boolean putString(ContentResolver resolver, String name, String value) {
857            if (MOVED_TO_SECURE.contains(name)) {
858                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
859                        + " to android.provider.Settings.Secure, value is unchanged.");
860                return false;
861            }
862            return putString(resolver, CONTENT_URI, name, value);
863        }
864
865        /**
866         * Construct the content URI for a particular name/value pair,
867         * useful for monitoring changes with a ContentObserver.
868         * @param name to look up in the table
869         * @return the corresponding content URI, or null if not present
870         */
871        public static Uri getUriFor(String name) {
872            if (MOVED_TO_SECURE.contains(name)) {
873                Log.w(TAG, "Setting " + name + " has moved from android.provider.Settings.System"
874                    + " to android.provider.Settings.Secure, returning Secure URI.");
875                return Secure.getUriFor(Secure.CONTENT_URI, name);
876            }
877            return getUriFor(CONTENT_URI, name);
878        }
879
880        /**
881         * Convenience function for retrieving a single system settings value
882         * as an integer.  Note that internally setting values are always
883         * stored as strings; this function converts the string to an integer
884         * for you.  The default value will be returned if the setting is
885         * not defined or not an integer.
886         *
887         * @param cr The ContentResolver to access.
888         * @param name The name of the setting to retrieve.
889         * @param def Value to return if the setting is not defined.
890         *
891         * @return The setting's current value, or 'def' if it is not defined
892         * or not a valid integer.
893         */
894        public static int getInt(ContentResolver cr, String name, int def) {
895            String v = getString(cr, name);
896            try {
897                return v != null ? Integer.parseInt(v) : def;
898            } catch (NumberFormatException e) {
899                return def;
900            }
901        }
902
903        /**
904         * Convenience function for retrieving a single system settings value
905         * as an integer.  Note that internally setting values are always
906         * stored as strings; this function converts the string to an integer
907         * for you.
908         * <p>
909         * This version does not take a default value.  If the setting has not
910         * been set, or the string value is not a number,
911         * it throws {@link SettingNotFoundException}.
912         *
913         * @param cr The ContentResolver to access.
914         * @param name The name of the setting to retrieve.
915         *
916         * @throws SettingNotFoundException Thrown if a setting by the given
917         * name can't be found or the setting value is not an integer.
918         *
919         * @return The setting's current value.
920         */
921        public static int getInt(ContentResolver cr, String name)
922                throws SettingNotFoundException {
923            String v = getString(cr, name);
924            try {
925                return Integer.parseInt(v);
926            } catch (NumberFormatException e) {
927                throw new SettingNotFoundException(name);
928            }
929        }
930
931        /**
932         * Convenience function for updating a single settings value as an
933         * integer. This will either create a new entry in the table if the
934         * given name does not exist, or modify the value of the existing row
935         * with that name.  Note that internally setting values are always
936         * stored as strings, so this function converts the given value to a
937         * string before storing it.
938         *
939         * @param cr The ContentResolver to access.
940         * @param name The name of the setting to modify.
941         * @param value The new value for the setting.
942         * @return true if the value was set, false on database errors
943         */
944        public static boolean putInt(ContentResolver cr, String name, int value) {
945            return putString(cr, name, Integer.toString(value));
946        }
947
948        /**
949         * Convenience function for retrieving a single system settings value
950         * as a {@code long}.  Note that internally setting values are always
951         * stored as strings; this function converts the string to a {@code long}
952         * for you.  The default value will be returned if the setting is
953         * not defined or not a {@code long}.
954         *
955         * @param cr The ContentResolver to access.
956         * @param name The name of the setting to retrieve.
957         * @param def Value to return if the setting is not defined.
958         *
959         * @return The setting's current value, or 'def' if it is not defined
960         * or not a valid {@code long}.
961         */
962        public static long getLong(ContentResolver cr, String name, long def) {
963            String valString = getString(cr, name);
964            long value;
965            try {
966                value = valString != null ? Long.parseLong(valString) : def;
967            } catch (NumberFormatException e) {
968                value = def;
969            }
970            return value;
971        }
972
973        /**
974         * Convenience function for retrieving a single system settings value
975         * as a {@code long}.  Note that internally setting values are always
976         * stored as strings; this function converts the string to a {@code long}
977         * for you.
978         * <p>
979         * This version does not take a default value.  If the setting has not
980         * been set, or the string value is not a number,
981         * it throws {@link SettingNotFoundException}.
982         *
983         * @param cr The ContentResolver to access.
984         * @param name The name of the setting to retrieve.
985         *
986         * @return The setting's current value.
987         * @throws SettingNotFoundException Thrown if a setting by the given
988         * name can't be found or the setting value is not an integer.
989         */
990        public static long getLong(ContentResolver cr, String name)
991                throws SettingNotFoundException {
992            String valString = getString(cr, name);
993            try {
994                return Long.parseLong(valString);
995            } catch (NumberFormatException e) {
996                throw new SettingNotFoundException(name);
997            }
998        }
999
1000        /**
1001         * Convenience function for updating a single settings value as a long
1002         * integer. This will either create a new entry in the table if the
1003         * given name does not exist, or modify the value of the existing row
1004         * with that name.  Note that internally setting values are always
1005         * stored as strings, so this function converts the given value to a
1006         * string before storing it.
1007         *
1008         * @param cr The ContentResolver to access.
1009         * @param name The name of the setting to modify.
1010         * @param value The new value for the setting.
1011         * @return true if the value was set, false on database errors
1012         */
1013        public static boolean putLong(ContentResolver cr, String name, long value) {
1014            return putString(cr, name, Long.toString(value));
1015        }
1016
1017        /**
1018         * Convenience function for retrieving a single system settings value
1019         * as a floating point number.  Note that internally setting values are
1020         * always stored as strings; this function converts the string to an
1021         * float for you. The default value will be returned if the setting
1022         * is not defined or not a valid float.
1023         *
1024         * @param cr The ContentResolver to access.
1025         * @param name The name of the setting to retrieve.
1026         * @param def Value to return if the setting is not defined.
1027         *
1028         * @return The setting's current value, or 'def' if it is not defined
1029         * or not a valid float.
1030         */
1031        public static float getFloat(ContentResolver cr, String name, float def) {
1032            String v = getString(cr, name);
1033            try {
1034                return v != null ? Float.parseFloat(v) : def;
1035            } catch (NumberFormatException e) {
1036                return def;
1037            }
1038        }
1039
1040        /**
1041         * Convenience function for retrieving a single system settings value
1042         * as a float.  Note that internally setting values are always
1043         * stored as strings; this function converts the string to a float
1044         * for you.
1045         * <p>
1046         * This version does not take a default value.  If the setting has not
1047         * been set, or the string value is not a number,
1048         * it throws {@link SettingNotFoundException}.
1049         *
1050         * @param cr The ContentResolver to access.
1051         * @param name The name of the setting to retrieve.
1052         *
1053         * @throws SettingNotFoundException Thrown if a setting by the given
1054         * name can't be found or the setting value is not a float.
1055         *
1056         * @return The setting's current value.
1057         */
1058        public static float getFloat(ContentResolver cr, String name)
1059                throws SettingNotFoundException {
1060            String v = getString(cr, name);
1061            if (v == null) {
1062                throw new SettingNotFoundException(name);
1063            }
1064            try {
1065                return Float.parseFloat(v);
1066            } catch (NumberFormatException e) {
1067                throw new SettingNotFoundException(name);
1068            }
1069        }
1070
1071        /**
1072         * Convenience function for updating a single settings value as a
1073         * floating point number. This will either create a new entry in the
1074         * table if the given name does not exist, or modify the value of the
1075         * existing row with that name.  Note that internally setting values
1076         * are always stored as strings, so this function converts the given
1077         * value to a string before storing it.
1078         *
1079         * @param cr The ContentResolver to access.
1080         * @param name The name of the setting to modify.
1081         * @param value The new value for the setting.
1082         * @return true if the value was set, false on database errors
1083         */
1084        public static boolean putFloat(ContentResolver cr, String name, float value) {
1085            return putString(cr, name, Float.toString(value));
1086        }
1087
1088        /**
1089         * Convenience function to read all of the current
1090         * configuration-related settings into a
1091         * {@link Configuration} object.
1092         *
1093         * @param cr The ContentResolver to access.
1094         * @param outConfig Where to place the configuration settings.
1095         */
1096        public static void getConfiguration(ContentResolver cr, Configuration outConfig) {
1097            outConfig.fontScale = Settings.System.getFloat(
1098                cr, FONT_SCALE, outConfig.fontScale);
1099            if (outConfig.fontScale < 0) {
1100                outConfig.fontScale = 1;
1101            }
1102        }
1103
1104        /**
1105         * @hide Erase the fields in the Configuration that should be applied
1106         * by the settings.
1107         */
1108        public static void clearConfiguration(Configuration inoutConfig) {
1109            inoutConfig.fontScale = 0;
1110        }
1111
1112        /**
1113         * Convenience function to write a batch of configuration-related
1114         * settings from a {@link Configuration} object.
1115         *
1116         * @param cr The ContentResolver to access.
1117         * @param config The settings to write.
1118         * @return true if the values were set, false on database errors
1119         */
1120        public static boolean putConfiguration(ContentResolver cr, Configuration config) {
1121            return Settings.System.putFloat(cr, FONT_SCALE, config.fontScale);
1122        }
1123
1124        /** @hide */
1125        public static boolean hasInterestingConfigurationChanges(int changes) {
1126            return (changes&ActivityInfo.CONFIG_FONT_SCALE) != 0;
1127        }
1128
1129        public static boolean getShowGTalkServiceStatus(ContentResolver cr) {
1130            return getInt(cr, SHOW_GTALK_SERVICE_STATUS, 0) != 0;
1131        }
1132
1133        public static void setShowGTalkServiceStatus(ContentResolver cr, boolean flag) {
1134            putInt(cr, SHOW_GTALK_SERVICE_STATUS, flag ? 1 : 0);
1135        }
1136
1137        /**
1138         * The content:// style URL for this table
1139         */
1140        public static final Uri CONTENT_URI =
1141            Uri.parse("content://" + AUTHORITY + "/system");
1142
1143        /**
1144         * Whether we keep the device on while the device is plugged in.
1145         * Supported values are:
1146         * <ul>
1147         * <li>{@code 0} to never stay on while plugged in</li>
1148         * <li>{@link BatteryManager#BATTERY_PLUGGED_AC} to stay on for AC charger</li>
1149         * <li>{@link BatteryManager#BATTERY_PLUGGED_USB} to stay on for USB charger</li>
1150         * </ul>
1151         * These values can be OR-ed together.
1152         */
1153        public static final String STAY_ON_WHILE_PLUGGED_IN = "stay_on_while_plugged_in";
1154
1155        /**
1156         * What happens when the user presses the end call button if they're not
1157         * on a call.<br/>
1158         * <b>Values:</b><br/>
1159         * 0 - The end button does nothing.<br/>
1160         * 1 - The end button goes to the home screen.<br/>
1161         * 2 - The end button puts the device to sleep and locks the keyguard.<br/>
1162         * 3 - The end button goes to the home screen.  If the user is already on the
1163         * home screen, it puts the device to sleep.
1164         */
1165        public static final String END_BUTTON_BEHAVIOR = "end_button_behavior";
1166
1167        /**
1168         * END_BUTTON_BEHAVIOR value for "go home".
1169         * @hide
1170         */
1171        public static final int END_BUTTON_BEHAVIOR_HOME = 0x1;
1172
1173        /**
1174         * END_BUTTON_BEHAVIOR value for "go to sleep".
1175         * @hide
1176         */
1177        public static final int END_BUTTON_BEHAVIOR_SLEEP = 0x2;
1178
1179        /**
1180         * END_BUTTON_BEHAVIOR default value.
1181         * @hide
1182         */
1183        public static final int END_BUTTON_BEHAVIOR_DEFAULT = END_BUTTON_BEHAVIOR_SLEEP;
1184
1185        /**
1186         * Is advanced settings mode turned on. 0 == no, 1 == yes
1187         * @hide
1188         */
1189        public static final String ADVANCED_SETTINGS = "advanced_settings";
1190
1191        /**
1192         * ADVANCED_SETTINGS default value.
1193         * @hide
1194         */
1195        public static final int ADVANCED_SETTINGS_DEFAULT = 0;
1196
1197        /**
1198         * Whether Airplane Mode is on.
1199         */
1200        public static final String AIRPLANE_MODE_ON = "airplane_mode_on";
1201
1202        /**
1203         * Constant for use in AIRPLANE_MODE_RADIOS to specify Bluetooth radio.
1204         */
1205        public static final String RADIO_BLUETOOTH = "bluetooth";
1206
1207        /**
1208         * Constant for use in AIRPLANE_MODE_RADIOS to specify Wi-Fi radio.
1209         */
1210        public static final String RADIO_WIFI = "wifi";
1211
1212        /**
1213         * {@hide}
1214         */
1215        public static final String RADIO_WIMAX = "wimax";
1216        /**
1217         * Constant for use in AIRPLANE_MODE_RADIOS to specify Cellular radio.
1218         */
1219        public static final String RADIO_CELL = "cell";
1220
1221        /**
1222         * Constant for use in AIRPLANE_MODE_RADIOS to specify NFC radio.
1223         */
1224        public static final String RADIO_NFC = "nfc";
1225
1226        /**
1227         * A comma separated list of radios that need to be disabled when airplane mode
1228         * is on. This overrides WIFI_ON and BLUETOOTH_ON, if Wi-Fi and bluetooth are
1229         * included in the comma separated list.
1230         */
1231        public static final String AIRPLANE_MODE_RADIOS = "airplane_mode_radios";
1232
1233        /**
1234         * A comma separated list of radios that should to be disabled when airplane mode
1235         * is on, but can be manually reenabled by the user.  For example, if RADIO_WIFI is
1236         * added to both AIRPLANE_MODE_RADIOS and AIRPLANE_MODE_TOGGLEABLE_RADIOS, then Wifi
1237         * will be turned off when entering airplane mode, but the user will be able to reenable
1238         * Wifi in the Settings app.
1239         *
1240         * {@hide}
1241         */
1242        public static final String AIRPLANE_MODE_TOGGLEABLE_RADIOS = "airplane_mode_toggleable_radios";
1243
1244        /**
1245         * The policy for deciding when Wi-Fi should go to sleep (which will in
1246         * turn switch to using the mobile data as an Internet connection).
1247         * <p>
1248         * Set to one of {@link #WIFI_SLEEP_POLICY_DEFAULT},
1249         * {@link #WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED}, or
1250         * {@link #WIFI_SLEEP_POLICY_NEVER}.
1251         */
1252        public static final String WIFI_SLEEP_POLICY = "wifi_sleep_policy";
1253
1254        /**
1255         * Value for {@link #WIFI_SLEEP_POLICY} to use the default Wi-Fi sleep
1256         * policy, which is to sleep shortly after the turning off
1257         * according to the {@link #STAY_ON_WHILE_PLUGGED_IN} setting.
1258         */
1259        public static final int WIFI_SLEEP_POLICY_DEFAULT = 0;
1260
1261        /**
1262         * Value for {@link #WIFI_SLEEP_POLICY} to use the default policy when
1263         * the device is on battery, and never go to sleep when the device is
1264         * plugged in.
1265         */
1266        public static final int WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = 1;
1267
1268        /**
1269         * Value for {@link #WIFI_SLEEP_POLICY} to never go to sleep.
1270         */
1271        public static final int WIFI_SLEEP_POLICY_NEVER = 2;
1272
1273        //TODO: deprecate static IP constants
1274        /**
1275         * Whether to use static IP and other static network attributes.
1276         * <p>
1277         * Set to 1 for true and 0 for false.
1278         */
1279        public static final String WIFI_USE_STATIC_IP = "wifi_use_static_ip";
1280
1281        /**
1282         * The static IP address.
1283         * <p>
1284         * Example: "192.168.1.51"
1285         */
1286        public static final String WIFI_STATIC_IP = "wifi_static_ip";
1287
1288        /**
1289         * If using static IP, the gateway's IP address.
1290         * <p>
1291         * Example: "192.168.1.1"
1292         */
1293        public static final String WIFI_STATIC_GATEWAY = "wifi_static_gateway";
1294
1295        /**
1296         * If using static IP, the net mask.
1297         * <p>
1298         * Example: "255.255.255.0"
1299         */
1300        public static final String WIFI_STATIC_NETMASK = "wifi_static_netmask";
1301
1302        /**
1303         * If using static IP, the primary DNS's IP address.
1304         * <p>
1305         * Example: "192.168.1.1"
1306         */
1307        public static final String WIFI_STATIC_DNS1 = "wifi_static_dns1";
1308
1309        /**
1310         * If using static IP, the secondary DNS's IP address.
1311         * <p>
1312         * Example: "192.168.1.2"
1313         */
1314        public static final String WIFI_STATIC_DNS2 = "wifi_static_dns2";
1315
1316
1317        /**
1318         * Determines whether remote devices may discover and/or connect to
1319         * this device.
1320         * <P>Type: INT</P>
1321         * 2 -- discoverable and connectable
1322         * 1 -- connectable but not discoverable
1323         * 0 -- neither connectable nor discoverable
1324         */
1325        public static final String BLUETOOTH_DISCOVERABILITY =
1326            "bluetooth_discoverability";
1327
1328        /**
1329         * Bluetooth discoverability timeout.  If this value is nonzero, then
1330         * Bluetooth becomes discoverable for a certain number of seconds,
1331         * after which is becomes simply connectable.  The value is in seconds.
1332         */
1333        public static final String BLUETOOTH_DISCOVERABILITY_TIMEOUT =
1334            "bluetooth_discoverability_timeout";
1335
1336        /**
1337         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_ENABLED}
1338         * instead
1339         */
1340        @Deprecated
1341        public static final String LOCK_PATTERN_ENABLED = Secure.LOCK_PATTERN_ENABLED;
1342
1343        /**
1344         * @deprecated Use {@link android.provider.Settings.Secure#LOCK_PATTERN_VISIBLE}
1345         * instead
1346         */
1347        @Deprecated
1348        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
1349
1350        /**
1351         * @deprecated Use
1352         * {@link android.provider.Settings.Secure#LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED}
1353         * instead
1354         */
1355        @Deprecated
1356        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
1357            "lock_pattern_tactile_feedback_enabled";
1358
1359
1360        /**
1361         * A formatted string of the next alarm that is set, or the empty string
1362         * if there is no alarm set.
1363         */
1364        public static final String NEXT_ALARM_FORMATTED = "next_alarm_formatted";
1365
1366        /**
1367         * Scaling factor for fonts, float.
1368         */
1369        public static final String FONT_SCALE = "font_scale";
1370
1371        /**
1372         * Name of an application package to be debugged.
1373         */
1374        public static final String DEBUG_APP = "debug_app";
1375
1376        /**
1377         * If 1, when launching DEBUG_APP it will wait for the debugger before
1378         * starting user code.  If 0, it will run normally.
1379         */
1380        public static final String WAIT_FOR_DEBUGGER = "wait_for_debugger";
1381
1382        /**
1383         * Whether or not to dim the screen. 0=no  1=yes
1384         */
1385        public static final String DIM_SCREEN = "dim_screen";
1386
1387        /**
1388         * The timeout before the screen turns off.
1389         */
1390        public static final String SCREEN_OFF_TIMEOUT = "screen_off_timeout";
1391
1392        /**
1393         * If 0, the compatibility mode is off for all applications.
1394         * If 1, older applications run under compatibility mode.
1395         * TODO: remove this settings before code freeze (bug/1907571)
1396         * @hide
1397         */
1398        public static final String COMPATIBILITY_MODE = "compatibility_mode";
1399
1400        /**
1401         * The screen backlight brightness between 0 and 255.
1402         */
1403        public static final String SCREEN_BRIGHTNESS = "screen_brightness";
1404
1405        /**
1406         * Control whether to enable automatic brightness mode.
1407         */
1408        public static final String SCREEN_BRIGHTNESS_MODE = "screen_brightness_mode";
1409
1410        /**
1411         * Adjustment to auto-brightness to make it generally more (>0.0 <1.0)
1412         * or less (<0.0 >-1.0) bright.
1413         */
1414        public static final String SCREEN_AUTO_BRIGHTNESS_ADJ = "screen_auto_brightness_adj";
1415
1416        /**
1417         * SCREEN_BRIGHTNESS_MODE value for manual mode.
1418         */
1419        public static final int SCREEN_BRIGHTNESS_MODE_MANUAL = 0;
1420
1421        /**
1422         * SCREEN_BRIGHTNESS_MODE value for automatic mode.
1423         */
1424        public static final int SCREEN_BRIGHTNESS_MODE_AUTOMATIC = 1;
1425
1426        /**
1427         * Control whether the process CPU usage meter should be shown.
1428         */
1429        public static final String SHOW_PROCESSES = "show_processes";
1430
1431        /**
1432         * If 1, the activity manager will aggressively finish activities and
1433         * processes as soon as they are no longer needed.  If 0, the normal
1434         * extended lifetime is used.
1435         */
1436        public static final String ALWAYS_FINISH_ACTIVITIES =
1437                "always_finish_activities";
1438
1439
1440        /**
1441         * Ringer mode. This is used internally, changing this value will not
1442         * change the ringer mode. See AudioManager.
1443         */
1444        public static final String MODE_RINGER = "mode_ringer";
1445
1446        /**
1447         * Determines which streams are affected by ringer mode changes. The
1448         * stream type's bit should be set to 1 if it should be muted when going
1449         * into an inaudible ringer mode.
1450         */
1451        public static final String MODE_RINGER_STREAMS_AFFECTED = "mode_ringer_streams_affected";
1452
1453         /**
1454          * Determines which streams are affected by mute. The
1455          * stream type's bit should be set to 1 if it should be muted when a mute request
1456          * is received.
1457          */
1458         public static final String MUTE_STREAMS_AFFECTED = "mute_streams_affected";
1459
1460        /**
1461         * Whether vibrate is on for different events. This is used internally,
1462         * changing this value will not change the vibrate. See AudioManager.
1463         */
1464        public static final String VIBRATE_ON = "vibrate_on";
1465
1466        /**
1467         * If 1, redirects the system vibrator to all currently attached input devices
1468         * that support vibration.  If there are no such input devices, then the system
1469         * vibrator is used instead.
1470         * If 0, does not register the system vibrator.
1471         *
1472         * This setting is mainly intended to provide a compatibility mechanism for
1473         * applications that only know about the system vibrator and do not use the
1474         * input device vibrator API.
1475         *
1476         * @hide
1477         */
1478        public static final String VIBRATE_INPUT_DEVICES = "vibrate_input_devices";
1479
1480        /**
1481         * Ringer volume. This is used internally, changing this value will not
1482         * change the volume. See AudioManager.
1483         */
1484        public static final String VOLUME_RING = "volume_ring";
1485
1486        /**
1487         * System/notifications volume. This is used internally, changing this
1488         * value will not change the volume. See AudioManager.
1489         */
1490        public static final String VOLUME_SYSTEM = "volume_system";
1491
1492        /**
1493         * Voice call volume. This is used internally, changing this value will
1494         * not change the volume. See AudioManager.
1495         */
1496        public static final String VOLUME_VOICE = "volume_voice";
1497
1498        /**
1499         * Music/media/gaming volume. This is used internally, changing this
1500         * value will not change the volume. See AudioManager.
1501         */
1502        public static final String VOLUME_MUSIC = "volume_music";
1503
1504        /**
1505         * Alarm volume. This is used internally, changing this
1506         * value will not change the volume. See AudioManager.
1507         */
1508        public static final String VOLUME_ALARM = "volume_alarm";
1509
1510        /**
1511         * Notification volume. This is used internally, changing this
1512         * value will not change the volume. See AudioManager.
1513         */
1514        public static final String VOLUME_NOTIFICATION = "volume_notification";
1515
1516        /**
1517         * Bluetooth Headset volume. This is used internally, changing this value will
1518         * not change the volume. See AudioManager.
1519         */
1520        public static final String VOLUME_BLUETOOTH_SCO = "volume_bluetooth_sco";
1521
1522        /**
1523         * Master volume (float in the range 0.0f to 1.0f).
1524         * @hide
1525         */
1526        public static final String VOLUME_MASTER = "volume_master";
1527
1528        /**
1529         * Master volume mute (int 1 = mute, 0 = not muted).
1530         *
1531         * @hide
1532         */
1533        public static final String VOLUME_MASTER_MUTE = "volume_master_mute";
1534
1535        /**
1536         * Whether the notifications should use the ring volume (value of 1) or
1537         * a separate notification volume (value of 0). In most cases, users
1538         * will have this enabled so the notification and ringer volumes will be
1539         * the same. However, power users can disable this and use the separate
1540         * notification volume control.
1541         * <p>
1542         * Note: This is a one-off setting that will be removed in the future
1543         * when there is profile support. For this reason, it is kept hidden
1544         * from the public APIs.
1545         *
1546         * @hide
1547         * @deprecated
1548         */
1549        @Deprecated
1550        public static final String NOTIFICATIONS_USE_RING_VOLUME =
1551            "notifications_use_ring_volume";
1552
1553        /**
1554         * Whether silent mode should allow vibration feedback. This is used
1555         * internally in AudioService and the Sound settings activity to
1556         * coordinate decoupling of vibrate and silent modes. This setting
1557         * will likely be removed in a future release with support for
1558         * audio/vibe feedback profiles.
1559         *
1560         * @hide
1561         */
1562        public static final String VIBRATE_IN_SILENT = "vibrate_in_silent";
1563
1564        /**
1565         * The mapping of stream type (integer) to its setting.
1566         */
1567        public static final String[] VOLUME_SETTINGS = {
1568            VOLUME_VOICE, VOLUME_SYSTEM, VOLUME_RING, VOLUME_MUSIC,
1569            VOLUME_ALARM, VOLUME_NOTIFICATION, VOLUME_BLUETOOTH_SCO
1570        };
1571
1572        /**
1573         * Appended to various volume related settings to record the previous
1574         * values before they the settings were affected by a silent/vibrate
1575         * ringer mode change.
1576         */
1577        public static final String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
1578
1579        /**
1580         * Persistent store for the system-wide default ringtone URI.
1581         * <p>
1582         * If you need to play the default ringtone at any given time, it is recommended
1583         * you give {@link #DEFAULT_RINGTONE_URI} to the media player.  It will resolve
1584         * to the set default ringtone at the time of playing.
1585         *
1586         * @see #DEFAULT_RINGTONE_URI
1587         */
1588        public static final String RINGTONE = "ringtone";
1589
1590        /**
1591         * A {@link Uri} that will point to the current default ringtone at any
1592         * given time.
1593         * <p>
1594         * If the current default ringtone is in the DRM provider and the caller
1595         * does not have permission, the exception will be a
1596         * FileNotFoundException.
1597         */
1598        public static final Uri DEFAULT_RINGTONE_URI = getUriFor(RINGTONE);
1599
1600        /**
1601         * Persistent store for the system-wide default notification sound.
1602         *
1603         * @see #RINGTONE
1604         * @see #DEFAULT_NOTIFICATION_URI
1605         */
1606        public static final String NOTIFICATION_SOUND = "notification_sound";
1607
1608        /**
1609         * A {@link Uri} that will point to the current default notification
1610         * sound at any given time.
1611         *
1612         * @see #DEFAULT_RINGTONE_URI
1613         */
1614        public static final Uri DEFAULT_NOTIFICATION_URI = getUriFor(NOTIFICATION_SOUND);
1615
1616        /**
1617         * Persistent store for the system-wide default alarm alert.
1618         *
1619         * @see #RINGTONE
1620         * @see #DEFAULT_ALARM_ALERT_URI
1621         */
1622        public static final String ALARM_ALERT = "alarm_alert";
1623
1624        /**
1625         * A {@link Uri} that will point to the current default alarm alert at
1626         * any given time.
1627         *
1628         * @see #DEFAULT_ALARM_ALERT_URI
1629         */
1630        public static final Uri DEFAULT_ALARM_ALERT_URI = getUriFor(ALARM_ALERT);
1631
1632        /**
1633         * Persistent store for the system default media button event receiver.
1634         *
1635         * @hide
1636         */
1637        public static final String MEDIA_BUTTON_RECEIVER = "media_button_receiver";
1638
1639        /**
1640         * Setting to enable Auto Replace (AutoText) in text editors. 1 = On, 0 = Off
1641         */
1642        public static final String TEXT_AUTO_REPLACE = "auto_replace";
1643
1644        /**
1645         * Setting to enable Auto Caps in text editors. 1 = On, 0 = Off
1646         */
1647        public static final String TEXT_AUTO_CAPS = "auto_caps";
1648
1649        /**
1650         * Setting to enable Auto Punctuate in text editors. 1 = On, 0 = Off. This
1651         * feature converts two spaces to a "." and space.
1652         */
1653        public static final String TEXT_AUTO_PUNCTUATE = "auto_punctuate";
1654
1655        /**
1656         * Setting to showing password characters in text editors. 1 = On, 0 = Off
1657         */
1658        public static final String TEXT_SHOW_PASSWORD = "show_password";
1659
1660        public static final String SHOW_GTALK_SERVICE_STATUS =
1661                "SHOW_GTALK_SERVICE_STATUS";
1662
1663        /**
1664         * Name of activity to use for wallpaper on the home screen.
1665         */
1666        public static final String WALLPAPER_ACTIVITY = "wallpaper_activity";
1667
1668        /**
1669         * Value to specify if the user prefers the date, time and time zone
1670         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1671         */
1672        public static final String AUTO_TIME = "auto_time";
1673
1674        /**
1675         * Value to specify if the user prefers the time zone
1676         * to be automatically fetched from the network (NITZ). 1=yes, 0=no
1677         */
1678        public static final String AUTO_TIME_ZONE = "auto_time_zone";
1679
1680        /**
1681         * Display times as 12 or 24 hours
1682         *   12
1683         *   24
1684         */
1685        public static final String TIME_12_24 = "time_12_24";
1686
1687        /**
1688         * Date format string
1689         *   mm/dd/yyyy
1690         *   dd/mm/yyyy
1691         *   yyyy/mm/dd
1692         */
1693        public static final String DATE_FORMAT = "date_format";
1694
1695        /**
1696         * Whether the setup wizard has been run before (on first boot), or if
1697         * it still needs to be run.
1698         *
1699         * nonzero = it has been run in the past
1700         * 0 = it has not been run in the past
1701         */
1702        public static final String SETUP_WIZARD_HAS_RUN = "setup_wizard_has_run";
1703
1704        /**
1705         * Scaling factor for normal window animations. Setting to 0 will disable window
1706         * animations.
1707         */
1708        public static final String WINDOW_ANIMATION_SCALE = "window_animation_scale";
1709
1710        /**
1711         * Scaling factor for activity transition animations. Setting to 0 will disable window
1712         * animations.
1713         */
1714        public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
1715
1716        /**
1717         * Scaling factor for Animator-based animations. This affects both the start delay and
1718         * duration of all such animations. Setting to 0 will cause animations to end immediately.
1719         * The default value is 1.
1720         */
1721        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
1722
1723        /**
1724         * Scaling factor for normal window animations. Setting to 0 will disable window
1725         * animations.
1726         * @hide
1727         */
1728        public static final String FANCY_IME_ANIMATIONS = "fancy_ime_animations";
1729
1730        /**
1731         * Control whether the accelerometer will be used to change screen
1732         * orientation.  If 0, it will not be used unless explicitly requested
1733         * by the application; if 1, it will be used by default unless explicitly
1734         * disabled by the application.
1735         */
1736        public static final String ACCELEROMETER_ROTATION = "accelerometer_rotation";
1737
1738        /**
1739         * Default screen rotation when no other policy applies.
1740         * When {@link #ACCELEROMETER_ROTATION} is zero and no on-screen Activity expresses a
1741         * preference, this rotation value will be used. Must be one of the
1742         * {@link android.view.Surface#ROTATION_0 Surface rotation constants}.
1743         *
1744         * @see Display#getRotation
1745         */
1746        public static final String USER_ROTATION = "user_rotation";
1747
1748        /**
1749         * Whether the audible DTMF tones are played by the dialer when dialing. The value is
1750         * boolean (1 or 0).
1751         */
1752        public static final String DTMF_TONE_WHEN_DIALING = "dtmf_tone";
1753
1754        /**
1755         * CDMA only settings
1756         * DTMF tone type played by the dialer when dialing.
1757         *                 0 = Normal
1758         *                 1 = Long
1759         * @hide
1760         */
1761        public static final String DTMF_TONE_TYPE_WHEN_DIALING = "dtmf_tone_type";
1762
1763        /**
1764         * CDMA only settings
1765         * Emergency Tone  0 = Off
1766         *                 1 = Alert
1767         *                 2 = Vibrate
1768         * @hide
1769         */
1770        public static final String EMERGENCY_TONE = "emergency_tone";
1771
1772        /**
1773         * CDMA only settings
1774         * Whether the auto retry is enabled. The value is
1775         * boolean (1 or 0).
1776         * @hide
1777         */
1778        public static final String CALL_AUTO_RETRY = "call_auto_retry";
1779
1780        /**
1781         * Whether the hearing aid is enabled. The value is
1782         * boolean (1 or 0).
1783         * @hide
1784         */
1785        public static final String HEARING_AID = "hearing_aid";
1786
1787        /**
1788         * CDMA only settings
1789         * TTY Mode
1790         * 0 = OFF
1791         * 1 = FULL
1792         * 2 = VCO
1793         * 3 = HCO
1794         * @hide
1795         */
1796        public static final String TTY_MODE = "tty_mode";
1797
1798        /**
1799         * Whether the sounds effects (key clicks, lid open ...) are enabled. The value is
1800         * boolean (1 or 0).
1801         */
1802        public static final String SOUND_EFFECTS_ENABLED = "sound_effects_enabled";
1803
1804        /**
1805         * Whether the haptic feedback (long presses, ...) are enabled. The value is
1806         * boolean (1 or 0).
1807         */
1808        public static final String HAPTIC_FEEDBACK_ENABLED = "haptic_feedback_enabled";
1809
1810        /**
1811         * @deprecated Each application that shows web suggestions should have its own
1812         * setting for this.
1813         */
1814        @Deprecated
1815        public static final String SHOW_WEB_SUGGESTIONS = "show_web_suggestions";
1816
1817        /**
1818         * Whether the notification LED should repeatedly flash when a notification is
1819         * pending. The value is boolean (1 or 0).
1820         * @hide
1821         */
1822        public static final String NOTIFICATION_LIGHT_PULSE = "notification_light_pulse";
1823
1824        /**
1825         * Show pointer location on screen?
1826         * 0 = no
1827         * 1 = yes
1828         * @hide
1829         */
1830        public static final String POINTER_LOCATION = "pointer_location";
1831
1832        /**
1833         * Show touch positions on screen?
1834         * 0 = no
1835         * 1 = yes
1836         * @hide
1837         */
1838        public static final String SHOW_TOUCHES = "show_touches";
1839
1840        /**
1841         * Log raw orientation data from {@link WindowOrientationListener} for use with the
1842         * orientationplot.py tool.
1843         * 0 = no
1844         * 1 = yes
1845         * @hide
1846         */
1847        public static final String WINDOW_ORIENTATION_LISTENER_LOG =
1848                "window_orientation_listener_log";
1849
1850        /**
1851         * Whether to play a sound for low-battery alerts.
1852         * @hide
1853         */
1854        public static final String POWER_SOUNDS_ENABLED = "power_sounds_enabled";
1855
1856        /**
1857         * Whether to play a sound for dock events.
1858         * @hide
1859         */
1860        public static final String DOCK_SOUNDS_ENABLED = "dock_sounds_enabled";
1861
1862        /**
1863         * Whether to play sounds when the keyguard is shown and dismissed.
1864         * @hide
1865         */
1866        public static final String LOCKSCREEN_SOUNDS_ENABLED = "lockscreen_sounds_enabled";
1867
1868        /**
1869         * Whether the lockscreen should be completely disabled.
1870         * @hide
1871         */
1872        public static final String LOCKSCREEN_DISABLED = "lockscreen.disabled";
1873
1874        /**
1875         * URI for the low battery sound file.
1876         * @hide
1877         */
1878        public static final String LOW_BATTERY_SOUND = "low_battery_sound";
1879
1880        /**
1881         * URI for the desk dock "in" event sound.
1882         * @hide
1883         */
1884        public static final String DESK_DOCK_SOUND = "desk_dock_sound";
1885
1886        /**
1887         * URI for the desk dock "out" event sound.
1888         * @hide
1889         */
1890        public static final String DESK_UNDOCK_SOUND = "desk_undock_sound";
1891
1892        /**
1893         * URI for the car dock "in" event sound.
1894         * @hide
1895         */
1896        public static final String CAR_DOCK_SOUND = "car_dock_sound";
1897
1898        /**
1899         * URI for the car dock "out" event sound.
1900         * @hide
1901         */
1902        public static final String CAR_UNDOCK_SOUND = "car_undock_sound";
1903
1904        /**
1905         * URI for the "device locked" (keyguard shown) sound.
1906         * @hide
1907         */
1908        public static final String LOCK_SOUND = "lock_sound";
1909
1910        /**
1911         * URI for the "device unlocked" (keyguard dismissed) sound.
1912         * @hide
1913         */
1914        public static final String UNLOCK_SOUND = "unlock_sound";
1915
1916        /**
1917         * Receive incoming SIP calls?
1918         * 0 = no
1919         * 1 = yes
1920         * @hide
1921         */
1922        public static final String SIP_RECEIVE_CALLS = "sip_receive_calls";
1923
1924        /**
1925         * Call Preference String.
1926         * "SIP_ALWAYS" : Always use SIP with network access
1927         * "SIP_ADDRESS_ONLY" : Only if destination is a SIP address
1928         * "SIP_ASK_ME_EACH_TIME" : Always ask me each time
1929         * @hide
1930         */
1931        public static final String SIP_CALL_OPTIONS = "sip_call_options";
1932
1933        /**
1934         * One of the sip call options: Always use SIP with network access.
1935         * @hide
1936         */
1937        public static final String SIP_ALWAYS = "SIP_ALWAYS";
1938
1939        /**
1940         * One of the sip call options: Only if destination is a SIP address.
1941         * @hide
1942         */
1943        public static final String SIP_ADDRESS_ONLY = "SIP_ADDRESS_ONLY";
1944
1945        /**
1946         * One of the sip call options: Always ask me each time.
1947         * @hide
1948         */
1949        public static final String SIP_ASK_ME_EACH_TIME = "SIP_ASK_ME_EACH_TIME";
1950
1951        /**
1952         * Pointer speed setting.
1953         * This is an integer value in a range between -7 and +7, so there are 15 possible values.
1954         *   -7 = slowest
1955         *    0 = default speed
1956         *   +7 = fastest
1957         * @hide
1958         */
1959        public static final String POINTER_SPEED = "pointer_speed";
1960
1961        /**
1962         * Settings to backup. This is here so that it's in the same place as the settings
1963         * keys and easy to update.
1964         *
1965         * NOTE: Settings are backed up and restored in the order they appear
1966         *       in this array. If you have one setting depending on another,
1967         *       make sure that they are ordered appropriately.
1968         *
1969         * @hide
1970         */
1971        public static final String[] SETTINGS_TO_BACKUP = {
1972            STAY_ON_WHILE_PLUGGED_IN,
1973            WIFI_USE_STATIC_IP,
1974            WIFI_STATIC_IP,
1975            WIFI_STATIC_GATEWAY,
1976            WIFI_STATIC_NETMASK,
1977            WIFI_STATIC_DNS1,
1978            WIFI_STATIC_DNS2,
1979            BLUETOOTH_DISCOVERABILITY,
1980            BLUETOOTH_DISCOVERABILITY_TIMEOUT,
1981            DIM_SCREEN,
1982            SCREEN_OFF_TIMEOUT,
1983            SCREEN_BRIGHTNESS,
1984            SCREEN_BRIGHTNESS_MODE,
1985            SCREEN_AUTO_BRIGHTNESS_ADJ,
1986            VIBRATE_ON,
1987            VIBRATE_INPUT_DEVICES,
1988            MODE_RINGER,
1989            MODE_RINGER_STREAMS_AFFECTED,
1990            MUTE_STREAMS_AFFECTED,
1991            VOLUME_VOICE,
1992            VOLUME_SYSTEM,
1993            VOLUME_RING,
1994            VOLUME_MUSIC,
1995            VOLUME_ALARM,
1996            VOLUME_NOTIFICATION,
1997            VOLUME_BLUETOOTH_SCO,
1998            VOLUME_VOICE + APPEND_FOR_LAST_AUDIBLE,
1999            VOLUME_SYSTEM + APPEND_FOR_LAST_AUDIBLE,
2000            VOLUME_RING + APPEND_FOR_LAST_AUDIBLE,
2001            VOLUME_MUSIC + APPEND_FOR_LAST_AUDIBLE,
2002            VOLUME_ALARM + APPEND_FOR_LAST_AUDIBLE,
2003            VOLUME_NOTIFICATION + APPEND_FOR_LAST_AUDIBLE,
2004            VOLUME_BLUETOOTH_SCO + APPEND_FOR_LAST_AUDIBLE,
2005            VIBRATE_IN_SILENT,
2006            TEXT_AUTO_REPLACE,
2007            TEXT_AUTO_CAPS,
2008            TEXT_AUTO_PUNCTUATE,
2009            TEXT_SHOW_PASSWORD,
2010            AUTO_TIME,
2011            AUTO_TIME_ZONE,
2012            TIME_12_24,
2013            DATE_FORMAT,
2014            ACCELEROMETER_ROTATION,
2015            USER_ROTATION,
2016            DTMF_TONE_WHEN_DIALING,
2017            DTMF_TONE_TYPE_WHEN_DIALING,
2018            EMERGENCY_TONE,
2019            CALL_AUTO_RETRY,
2020            HEARING_AID,
2021            TTY_MODE,
2022            SOUND_EFFECTS_ENABLED,
2023            HAPTIC_FEEDBACK_ENABLED,
2024            POWER_SOUNDS_ENABLED,
2025            DOCK_SOUNDS_ENABLED,
2026            LOCKSCREEN_SOUNDS_ENABLED,
2027            SHOW_WEB_SUGGESTIONS,
2028            NOTIFICATION_LIGHT_PULSE,
2029            SIP_CALL_OPTIONS,
2030            SIP_RECEIVE_CALLS,
2031            POINTER_SPEED,
2032        };
2033
2034        // Settings moved to Settings.Secure
2035
2036        /**
2037         * @deprecated Use {@link android.provider.Settings.Secure#ADB_ENABLED}
2038         * instead
2039         */
2040        @Deprecated
2041        public static final String ADB_ENABLED = Secure.ADB_ENABLED;
2042
2043        /**
2044         * @deprecated Use {@link android.provider.Settings.Secure#ANDROID_ID} instead
2045         */
2046        @Deprecated
2047        public static final String ANDROID_ID = Secure.ANDROID_ID;
2048
2049        /**
2050         * @deprecated Use {@link android.provider.Settings.Secure#BLUETOOTH_ON} instead
2051         */
2052        @Deprecated
2053        public static final String BLUETOOTH_ON = Secure.BLUETOOTH_ON;
2054
2055        /**
2056         * @deprecated Use {@link android.provider.Settings.Secure#DATA_ROAMING} instead
2057         */
2058        @Deprecated
2059        public static final String DATA_ROAMING = Secure.DATA_ROAMING;
2060
2061        /**
2062         * @deprecated Use {@link android.provider.Settings.Secure#DEVICE_PROVISIONED} instead
2063         */
2064        @Deprecated
2065        public static final String DEVICE_PROVISIONED = Secure.DEVICE_PROVISIONED;
2066
2067        /**
2068         * @deprecated Use {@link android.provider.Settings.Secure#HTTP_PROXY} instead
2069         */
2070        @Deprecated
2071        public static final String HTTP_PROXY = Secure.HTTP_PROXY;
2072
2073        /**
2074         * @deprecated Use {@link android.provider.Settings.Secure#INSTALL_NON_MARKET_APPS} instead
2075         */
2076        @Deprecated
2077        public static final String INSTALL_NON_MARKET_APPS = Secure.INSTALL_NON_MARKET_APPS;
2078
2079        /**
2080         * @deprecated Use {@link android.provider.Settings.Secure#LOCATION_PROVIDERS_ALLOWED}
2081         * instead
2082         */
2083        @Deprecated
2084        public static final String LOCATION_PROVIDERS_ALLOWED = Secure.LOCATION_PROVIDERS_ALLOWED;
2085
2086        /**
2087         * @deprecated Use {@link android.provider.Settings.Secure#LOGGING_ID} instead
2088         */
2089        @Deprecated
2090        public static final String LOGGING_ID = Secure.LOGGING_ID;
2091
2092        /**
2093         * @deprecated Use {@link android.provider.Settings.Secure#NETWORK_PREFERENCE} instead
2094         */
2095        @Deprecated
2096        public static final String NETWORK_PREFERENCE = Secure.NETWORK_PREFERENCE;
2097
2098        /**
2099         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_ENABLED}
2100         * instead
2101         */
2102        @Deprecated
2103        public static final String PARENTAL_CONTROL_ENABLED = Secure.PARENTAL_CONTROL_ENABLED;
2104
2105        /**
2106         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_LAST_UPDATE}
2107         * instead
2108         */
2109        @Deprecated
2110        public static final String PARENTAL_CONTROL_LAST_UPDATE = Secure.PARENTAL_CONTROL_LAST_UPDATE;
2111
2112        /**
2113         * @deprecated Use {@link android.provider.Settings.Secure#PARENTAL_CONTROL_REDIRECT_URL}
2114         * instead
2115         */
2116        @Deprecated
2117        public static final String PARENTAL_CONTROL_REDIRECT_URL =
2118            Secure.PARENTAL_CONTROL_REDIRECT_URL;
2119
2120        /**
2121         * @deprecated Use {@link android.provider.Settings.Secure#SETTINGS_CLASSNAME} instead
2122         */
2123        @Deprecated
2124        public static final String SETTINGS_CLASSNAME = Secure.SETTINGS_CLASSNAME;
2125
2126        /**
2127         * @deprecated Use {@link android.provider.Settings.Secure#USB_MASS_STORAGE_ENABLED} instead
2128         */
2129        @Deprecated
2130        public static final String USB_MASS_STORAGE_ENABLED = Secure.USB_MASS_STORAGE_ENABLED;
2131
2132        /**
2133         * @deprecated Use {@link android.provider.Settings.Secure#USE_GOOGLE_MAIL} instead
2134         */
2135        @Deprecated
2136        public static final String USE_GOOGLE_MAIL = Secure.USE_GOOGLE_MAIL;
2137
2138       /**
2139         * @deprecated Use
2140         * {@link android.provider.Settings.Secure#WIFI_MAX_DHCP_RETRY_COUNT} instead
2141         */
2142        @Deprecated
2143        public static final String WIFI_MAX_DHCP_RETRY_COUNT = Secure.WIFI_MAX_DHCP_RETRY_COUNT;
2144
2145        /**
2146         * @deprecated Use
2147         * {@link android.provider.Settings.Secure#WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS} instead
2148         */
2149        @Deprecated
2150        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
2151                Secure.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS;
2152
2153        /**
2154         * @deprecated Use
2155         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON} instead
2156         */
2157        @Deprecated
2158        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
2159            Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON;
2160
2161        /**
2162         * @deprecated Use
2163         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} instead
2164         */
2165        @Deprecated
2166        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
2167            Secure.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY;
2168
2169        /**
2170         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_NUM_OPEN_NETWORKS_KEPT}
2171         * instead
2172         */
2173        @Deprecated
2174        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = Secure.WIFI_NUM_OPEN_NETWORKS_KEPT;
2175
2176        /**
2177         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_ON} instead
2178         */
2179        @Deprecated
2180        public static final String WIFI_ON = Secure.WIFI_ON;
2181
2182        /**
2183         * @deprecated Use
2184         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE}
2185         * instead
2186         */
2187        @Deprecated
2188        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
2189                Secure.WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE;
2190
2191        /**
2192         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_AP_COUNT} instead
2193         */
2194        @Deprecated
2195        public static final String WIFI_WATCHDOG_AP_COUNT = Secure.WIFI_WATCHDOG_AP_COUNT;
2196
2197        /**
2198         * @deprecated Use
2199         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS} instead
2200         */
2201        @Deprecated
2202        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
2203                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS;
2204
2205        /**
2206         * @deprecated Use
2207         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED} instead
2208         */
2209        @Deprecated
2210        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
2211                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED;
2212
2213        /**
2214         * @deprecated Use
2215         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS}
2216         * instead
2217         */
2218        @Deprecated
2219        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
2220                Secure.WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS;
2221
2222        /**
2223         * @deprecated Use
2224         * {@link android.provider.Settings.Secure#WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT} instead
2225         */
2226        @Deprecated
2227        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
2228            Secure.WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT;
2229
2230        /**
2231         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_MAX_AP_CHECKS}
2232         * instead
2233         */
2234        @Deprecated
2235        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = Secure.WIFI_WATCHDOG_MAX_AP_CHECKS;
2236
2237        /**
2238         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_ON} instead
2239         */
2240        @Deprecated
2241        public static final String WIFI_WATCHDOG_ON = Secure.WIFI_WATCHDOG_ON;
2242
2243        /**
2244         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_COUNT} instead
2245         */
2246        @Deprecated
2247        public static final String WIFI_WATCHDOG_PING_COUNT = Secure.WIFI_WATCHDOG_PING_COUNT;
2248
2249        /**
2250         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_DELAY_MS}
2251         * instead
2252         */
2253        @Deprecated
2254        public static final String WIFI_WATCHDOG_PING_DELAY_MS = Secure.WIFI_WATCHDOG_PING_DELAY_MS;
2255
2256        /**
2257         * @deprecated Use {@link android.provider.Settings.Secure#WIFI_WATCHDOG_PING_TIMEOUT_MS}
2258         * instead
2259         */
2260        @Deprecated
2261        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS =
2262            Secure.WIFI_WATCHDOG_PING_TIMEOUT_MS;
2263    }
2264
2265    /**
2266     * Secure system settings, containing system preferences that applications
2267     * can read but are not allowed to write.  These are for preferences that
2268     * the user must explicitly modify through the system UI or specialized
2269     * APIs for those values, not modified directly by applications.
2270     */
2271    public static final class Secure extends NameValueTable {
2272        public static final String SYS_PROP_SETTING_VERSION = "sys.settings_secure_version";
2273
2274        // Populated lazily, guarded by class object:
2275        private static NameValueCache sNameValueCache = null;
2276
2277        private static ILockSettings sLockSettings = null;
2278
2279        private static boolean sIsSystemProcess;
2280        private static final HashSet<String> MOVED_TO_LOCK_SETTINGS;
2281        static {
2282            MOVED_TO_LOCK_SETTINGS = new HashSet<String>(3);
2283            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_ENABLED);
2284            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_VISIBLE);
2285            MOVED_TO_LOCK_SETTINGS.add(Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED);
2286        }
2287
2288        /**
2289         * Look up a name in the database.
2290         * @param resolver to access the database with
2291         * @param name to look up in the table
2292         * @return the corresponding value, or null if not present
2293         */
2294        public synchronized static String getString(ContentResolver resolver, String name) {
2295            if (sNameValueCache == null) {
2296                sNameValueCache = new NameValueCache(SYS_PROP_SETTING_VERSION, CONTENT_URI,
2297                                                     CALL_METHOD_GET_SECURE);
2298            }
2299
2300            if (sLockSettings == null) {
2301                sLockSettings = ILockSettings.Stub.asInterface(
2302                        (IBinder) ServiceManager.getService("lock_settings"));
2303                sIsSystemProcess = Process.myUid() == Process.SYSTEM_UID;
2304            }
2305            if (sLockSettings != null && !sIsSystemProcess
2306                    && MOVED_TO_LOCK_SETTINGS.contains(name)) {
2307                try {
2308                    return sLockSettings.getString(name, "0", UserId.getCallingUserId());
2309                } catch (RemoteException re) {
2310                    // Fall through
2311                }
2312            }
2313
2314            return sNameValueCache.getString(resolver, name);
2315        }
2316
2317        /**
2318         * Store a name/value pair into the database.
2319         * @param resolver to access the database with
2320         * @param name to store
2321         * @param value to associate with the name
2322         * @return true if the value was set, false on database errors
2323         */
2324        public static boolean putString(ContentResolver resolver,
2325                String name, String value) {
2326            return putString(resolver, CONTENT_URI, name, value);
2327        }
2328
2329        /**
2330         * Construct the content URI for a particular name/value pair,
2331         * useful for monitoring changes with a ContentObserver.
2332         * @param name to look up in the table
2333         * @return the corresponding content URI, or null if not present
2334         */
2335        public static Uri getUriFor(String name) {
2336            return getUriFor(CONTENT_URI, name);
2337        }
2338
2339        /**
2340         * Convenience function for retrieving a single secure settings value
2341         * as an integer.  Note that internally setting values are always
2342         * stored as strings; this function converts the string to an integer
2343         * for you.  The default value will be returned if the setting is
2344         * not defined or not an integer.
2345         *
2346         * @param cr The ContentResolver to access.
2347         * @param name The name of the setting to retrieve.
2348         * @param def Value to return if the setting is not defined.
2349         *
2350         * @return The setting's current value, or 'def' if it is not defined
2351         * or not a valid integer.
2352         */
2353        public static int getInt(ContentResolver cr, String name, int def) {
2354            String v = getString(cr, name);
2355            try {
2356                return v != null ? Integer.parseInt(v) : def;
2357            } catch (NumberFormatException e) {
2358                return def;
2359            }
2360        }
2361
2362        /**
2363         * Convenience function for retrieving a single secure settings value
2364         * as an integer.  Note that internally setting values are always
2365         * stored as strings; this function converts the string to an integer
2366         * for you.
2367         * <p>
2368         * This version does not take a default value.  If the setting has not
2369         * been set, or the string value is not a number,
2370         * it throws {@link SettingNotFoundException}.
2371         *
2372         * @param cr The ContentResolver to access.
2373         * @param name The name of the setting to retrieve.
2374         *
2375         * @throws SettingNotFoundException Thrown if a setting by the given
2376         * name can't be found or the setting value is not an integer.
2377         *
2378         * @return The setting's current value.
2379         */
2380        public static int getInt(ContentResolver cr, String name)
2381                throws SettingNotFoundException {
2382            String v = getString(cr, name);
2383            try {
2384                return Integer.parseInt(v);
2385            } catch (NumberFormatException e) {
2386                throw new SettingNotFoundException(name);
2387            }
2388        }
2389
2390        /**
2391         * Convenience function for updating a single settings value as an
2392         * integer. This will either create a new entry in the table if the
2393         * given name does not exist, or modify the value of the existing row
2394         * with that name.  Note that internally setting values are always
2395         * stored as strings, so this function converts the given value to a
2396         * string before storing it.
2397         *
2398         * @param cr The ContentResolver to access.
2399         * @param name The name of the setting to modify.
2400         * @param value The new value for the setting.
2401         * @return true if the value was set, false on database errors
2402         */
2403        public static boolean putInt(ContentResolver cr, String name, int value) {
2404            return putString(cr, name, Integer.toString(value));
2405        }
2406
2407        /**
2408         * Convenience function for retrieving a single secure settings value
2409         * as a {@code long}.  Note that internally setting values are always
2410         * stored as strings; this function converts the string to a {@code long}
2411         * for you.  The default value will be returned if the setting is
2412         * not defined or not a {@code long}.
2413         *
2414         * @param cr The ContentResolver to access.
2415         * @param name The name of the setting to retrieve.
2416         * @param def Value to return if the setting is not defined.
2417         *
2418         * @return The setting's current value, or 'def' if it is not defined
2419         * or not a valid {@code long}.
2420         */
2421        public static long getLong(ContentResolver cr, String name, long def) {
2422            String valString = getString(cr, name);
2423            long value;
2424            try {
2425                value = valString != null ? Long.parseLong(valString) : def;
2426            } catch (NumberFormatException e) {
2427                value = def;
2428            }
2429            return value;
2430        }
2431
2432        /**
2433         * Convenience function for retrieving a single secure settings value
2434         * as a {@code long}.  Note that internally setting values are always
2435         * stored as strings; this function converts the string to a {@code long}
2436         * for you.
2437         * <p>
2438         * This version does not take a default value.  If the setting has not
2439         * been set, or the string value is not a number,
2440         * it throws {@link SettingNotFoundException}.
2441         *
2442         * @param cr The ContentResolver to access.
2443         * @param name The name of the setting to retrieve.
2444         *
2445         * @return The setting's current value.
2446         * @throws SettingNotFoundException Thrown if a setting by the given
2447         * name can't be found or the setting value is not an integer.
2448         */
2449        public static long getLong(ContentResolver cr, String name)
2450                throws SettingNotFoundException {
2451            String valString = getString(cr, name);
2452            try {
2453                return Long.parseLong(valString);
2454            } catch (NumberFormatException e) {
2455                throw new SettingNotFoundException(name);
2456            }
2457        }
2458
2459        /**
2460         * Convenience function for updating a secure settings value as a long
2461         * integer. This will either create a new entry in the table if the
2462         * given name does not exist, or modify the value of the existing row
2463         * with that name.  Note that internally setting values are always
2464         * stored as strings, so this function converts the given value to a
2465         * string before storing it.
2466         *
2467         * @param cr The ContentResolver to access.
2468         * @param name The name of the setting to modify.
2469         * @param value The new value for the setting.
2470         * @return true if the value was set, false on database errors
2471         */
2472        public static boolean putLong(ContentResolver cr, String name, long value) {
2473            return putString(cr, name, Long.toString(value));
2474        }
2475
2476        /**
2477         * Convenience function for retrieving a single secure settings value
2478         * as a floating point number.  Note that internally setting values are
2479         * always stored as strings; this function converts the string to an
2480         * float for you. The default value will be returned if the setting
2481         * is not defined or not a valid float.
2482         *
2483         * @param cr The ContentResolver to access.
2484         * @param name The name of the setting to retrieve.
2485         * @param def Value to return if the setting is not defined.
2486         *
2487         * @return The setting's current value, or 'def' if it is not defined
2488         * or not a valid float.
2489         */
2490        public static float getFloat(ContentResolver cr, String name, float def) {
2491            String v = getString(cr, name);
2492            try {
2493                return v != null ? Float.parseFloat(v) : def;
2494            } catch (NumberFormatException e) {
2495                return def;
2496            }
2497        }
2498
2499        /**
2500         * Convenience function for retrieving a single secure settings value
2501         * as a float.  Note that internally setting values are always
2502         * stored as strings; this function converts the string to a float
2503         * for you.
2504         * <p>
2505         * This version does not take a default value.  If the setting has not
2506         * been set, or the string value is not a number,
2507         * it throws {@link SettingNotFoundException}.
2508         *
2509         * @param cr The ContentResolver to access.
2510         * @param name The name of the setting to retrieve.
2511         *
2512         * @throws SettingNotFoundException Thrown if a setting by the given
2513         * name can't be found or the setting value is not a float.
2514         *
2515         * @return The setting's current value.
2516         */
2517        public static float getFloat(ContentResolver cr, String name)
2518                throws SettingNotFoundException {
2519            String v = getString(cr, name);
2520            if (v == null) {
2521                throw new SettingNotFoundException(name);
2522            }
2523            try {
2524                return Float.parseFloat(v);
2525            } catch (NumberFormatException e) {
2526                throw new SettingNotFoundException(name);
2527            }
2528        }
2529
2530        /**
2531         * Convenience function for updating a single settings value as a
2532         * floating point number. This will either create a new entry in the
2533         * table if the given name does not exist, or modify the value of the
2534         * existing row with that name.  Note that internally setting values
2535         * are always stored as strings, so this function converts the given
2536         * value to a string before storing it.
2537         *
2538         * @param cr The ContentResolver to access.
2539         * @param name The name of the setting to modify.
2540         * @param value The new value for the setting.
2541         * @return true if the value was set, false on database errors
2542         */
2543        public static boolean putFloat(ContentResolver cr, String name, float value) {
2544            return putString(cr, name, Float.toString(value));
2545        }
2546
2547        /**
2548         * The content:// style URL for this table
2549         */
2550        public static final Uri CONTENT_URI =
2551            Uri.parse("content://" + AUTHORITY + "/secure");
2552
2553        /**
2554         * Whether user has enabled development settings.
2555         */
2556        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
2557
2558        /**
2559         * Whether ADB is enabled.
2560         */
2561        public static final String ADB_ENABLED = "adb_enabled";
2562
2563        /**
2564         * Setting to allow mock locations and location provider status to be injected into the
2565         * LocationManager service for testing purposes during application development.  These
2566         * locations and status values  override actual location and status information generated
2567         * by network, gps, or other location providers.
2568         */
2569        public static final String ALLOW_MOCK_LOCATION = "mock_location";
2570
2571        /**
2572         * A 64-bit number (as a hex string) that is randomly
2573         * generated on the device's first boot and should remain
2574         * constant for the lifetime of the device.  (The value may
2575         * change if a factory reset is performed on the device.)
2576         */
2577        public static final String ANDROID_ID = "android_id";
2578
2579        /**
2580         * Whether bluetooth is enabled/disabled
2581         * 0=disabled. 1=enabled.
2582         */
2583        public static final String BLUETOOTH_ON = "bluetooth_on";
2584
2585        /**
2586         * Get the key that retrieves a bluetooth headset's priority.
2587         * @hide
2588         */
2589        public static final String getBluetoothHeadsetPriorityKey(String address) {
2590            return ("bluetooth_headset_priority_" + address.toUpperCase());
2591        }
2592
2593        /**
2594         * Get the key that retrieves a bluetooth a2dp sink's priority.
2595         * @hide
2596         */
2597        public static final String getBluetoothA2dpSinkPriorityKey(String address) {
2598            return ("bluetooth_a2dp_sink_priority_" + address.toUpperCase());
2599        }
2600
2601        /**
2602         * Get the key that retrieves a bluetooth Input Device's priority.
2603         * @hide
2604         */
2605        public static final String getBluetoothInputDevicePriorityKey(String address) {
2606            return ("bluetooth_input_device_priority_" + address.toUpperCase());
2607        }
2608
2609        /**
2610         * Whether or not data roaming is enabled. (0 = false, 1 = true)
2611         */
2612        public static final String DATA_ROAMING = "data_roaming";
2613
2614        /**
2615         * Setting to record the input method used by default, holding the ID
2616         * of the desired method.
2617         */
2618        public static final String DEFAULT_INPUT_METHOD = "default_input_method";
2619
2620        /**
2621         * Setting to record the input method subtype used by default, holding the ID
2622         * of the desired method.
2623         */
2624        public static final String SELECTED_INPUT_METHOD_SUBTYPE =
2625                "selected_input_method_subtype";
2626
2627        /**
2628         * Setting to record the history of input method subtype, holding the pair of ID of IME
2629         * and its last used subtype.
2630         * @hide
2631         */
2632        public static final String INPUT_METHODS_SUBTYPE_HISTORY =
2633                "input_methods_subtype_history";
2634
2635        /**
2636         * Setting to record the visibility of input method selector
2637         */
2638        public static final String INPUT_METHOD_SELECTOR_VISIBILITY =
2639                "input_method_selector_visibility";
2640
2641        /**
2642         * Whether the device has been provisioned (0 = false, 1 = true)
2643         */
2644        public static final String DEVICE_PROVISIONED = "device_provisioned";
2645
2646        /**
2647         * List of input methods that are currently enabled.  This is a string
2648         * containing the IDs of all enabled input methods, each ID separated
2649         * by ':'.
2650         */
2651        public static final String ENABLED_INPUT_METHODS = "enabled_input_methods";
2652
2653        /**
2654         * List of system input methods that are currently disabled.  This is a string
2655         * containing the IDs of all disabled input methods, each ID separated
2656         * by ':'.
2657         * @hide
2658         */
2659        public static final String DISABLED_SYSTEM_INPUT_METHODS = "disabled_system_input_methods";
2660
2661        /**
2662         * Host name and port for global http proxy.  Uses ':' seperator for between host and port
2663         * TODO - deprecate in favor of global_http_proxy_host, etc
2664         */
2665        public static final String HTTP_PROXY = "http_proxy";
2666
2667        /**
2668         * Host name for global http proxy.  Set via ConnectivityManager.
2669         * @hide
2670         */
2671        public static final String GLOBAL_HTTP_PROXY_HOST = "global_http_proxy_host";
2672
2673        /**
2674         * Integer host port for global http proxy.  Set via ConnectivityManager.
2675         * @hide
2676         */
2677        public static final String GLOBAL_HTTP_PROXY_PORT = "global_http_proxy_port";
2678
2679        /**
2680         * Exclusion list for global proxy. This string contains a list of comma-separated
2681         * domains where the global proxy does not apply. Domains should be listed in a comma-
2682         * separated list. Example of acceptable formats: ".domain1.com,my.domain2.com"
2683         * Use ConnectivityManager to set/get.
2684         * @hide
2685         */
2686        public static final String GLOBAL_HTTP_PROXY_EXCLUSION_LIST =
2687                "global_http_proxy_exclusion_list";
2688
2689        /**
2690         * Enables the UI setting to allow the user to specify the global HTTP proxy
2691         * and associated exclusion list.
2692         * @hide
2693         */
2694        public static final String SET_GLOBAL_HTTP_PROXY = "set_global_http_proxy";
2695
2696        /**
2697         * Setting for default DNS in case nobody suggests one
2698         * @hide
2699         */
2700        public static final String DEFAULT_DNS_SERVER = "default_dns_server";
2701
2702        /**
2703         * Whether the package installer should allow installation of apps downloaded from
2704         * sources other than Google Play.
2705         *
2706         * 1 = allow installing from other sources
2707         * 0 = only allow installing from Google Play
2708         */
2709        public static final String INSTALL_NON_MARKET_APPS = "install_non_market_apps";
2710
2711        /**
2712         * Comma-separated list of location providers that activities may access.
2713         */
2714        public static final String LOCATION_PROVIDERS_ALLOWED = "location_providers_allowed";
2715
2716        /**
2717         * A flag containing settings used for biometric weak
2718         * @hide
2719         */
2720        public static final String LOCK_BIOMETRIC_WEAK_FLAGS =
2721                "lock_biometric_weak_flags";
2722
2723        /**
2724         * Whether autolock is enabled (0 = false, 1 = true)
2725         */
2726        public static final String LOCK_PATTERN_ENABLED = "lock_pattern_autolock";
2727
2728        /**
2729         * Whether lock pattern is visible as user enters (0 = false, 1 = true)
2730         */
2731        public static final String LOCK_PATTERN_VISIBLE = "lock_pattern_visible_pattern";
2732
2733        /**
2734         * Whether lock pattern will vibrate as user enters (0 = false, 1 = true)
2735         */
2736        public static final String LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED =
2737            "lock_pattern_tactile_feedback_enabled";
2738
2739        /**
2740         * This preference allows the device to be locked given time after screen goes off,
2741         * subject to current DeviceAdmin policy limits.
2742         * @hide
2743         */
2744        public static final String LOCK_SCREEN_LOCK_AFTER_TIMEOUT = "lock_screen_lock_after_timeout";
2745
2746
2747        /**
2748         * This preference contains the string that shows for owner info on LockScren.
2749         * @hide
2750         */
2751        public static final String LOCK_SCREEN_OWNER_INFO = "lock_screen_owner_info";
2752
2753        /**
2754         * This preference enables showing the owner info on LockScren.
2755         * @hide
2756         */
2757        public static final String LOCK_SCREEN_OWNER_INFO_ENABLED =
2758            "lock_screen_owner_info_enabled";
2759
2760        /**
2761         * The saved value for WindowManagerService.setForcedDisplaySize().
2762         * Two integers separated by a comma.  If unset, then use the real display size.
2763         * @hide
2764         */
2765        public static final String DISPLAY_SIZE_FORCED = "display_size_forced";
2766
2767        /**
2768         * Whether assisted GPS should be enabled or not.
2769         * @hide
2770         */
2771        public static final String ASSISTED_GPS_ENABLED = "assisted_gps_enabled";
2772
2773        /**
2774         * The Logging ID (a unique 64-bit value) as a hex string.
2775         * Used as a pseudonymous identifier for logging.
2776         * @deprecated This identifier is poorly initialized and has
2777         * many collisions.  It should not be used.
2778         */
2779        @Deprecated
2780        public static final String LOGGING_ID = "logging_id";
2781
2782        /**
2783         * User preference for which network(s) should be used. Only the
2784         * connectivity service should touch this.
2785         */
2786        public static final String NETWORK_PREFERENCE = "network_preference";
2787
2788        /**
2789         * Used to disable Tethering on a device - defaults to true
2790         * @hide
2791         */
2792        public static final String TETHER_SUPPORTED = "tether_supported";
2793
2794        /**
2795         * Used to require DUN APN on the device or not - defaults to a build config value
2796         * which defaults to false
2797         * @hide
2798         */
2799        public static final String TETHER_DUN_REQUIRED = "tether_dun_required";
2800
2801        /**
2802         * Used to hold a gservices-provisioned apn value for DUN.  If set, or the
2803         * corresponding build config values are set it will override the APN DB
2804         * values.
2805         * Consists of a comma seperated list of strings:
2806         * "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type"
2807         * note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN"
2808         * @hide
2809         */
2810        public static final String TETHER_DUN_APN = "tether_dun_apn";
2811
2812        /**
2813         * No longer supported.
2814         */
2815        public static final String PARENTAL_CONTROL_ENABLED = "parental_control_enabled";
2816
2817        /**
2818         * No longer supported.
2819         */
2820        public static final String PARENTAL_CONTROL_LAST_UPDATE = "parental_control_last_update";
2821
2822        /**
2823         * No longer supported.
2824         */
2825        public static final String PARENTAL_CONTROL_REDIRECT_URL = "parental_control_redirect_url";
2826
2827        /**
2828         * A positive value indicates how often the SamplingProfiler
2829         * should take snapshots. Zero value means SamplingProfiler
2830         * is disabled.
2831         *
2832         * @hide
2833         */
2834        public static final String SAMPLING_PROFILER_MS = "sampling_profiler_ms";
2835
2836        /**
2837         * Settings classname to launch when Settings is clicked from All
2838         * Applications.  Needed because of user testing between the old
2839         * and new Settings apps.
2840         */
2841        // TODO: 881807
2842        public static final String SETTINGS_CLASSNAME = "settings_classname";
2843
2844        /**
2845         * USB Mass Storage Enabled
2846         */
2847        public static final String USB_MASS_STORAGE_ENABLED = "usb_mass_storage_enabled";
2848
2849        /**
2850         * If this setting is set (to anything), then all references
2851         * to Gmail on the device must change to Google Mail.
2852         */
2853        public static final String USE_GOOGLE_MAIL = "use_google_mail";
2854
2855        /**
2856         * If accessibility is enabled.
2857         */
2858        public static final String ACCESSIBILITY_ENABLED = "accessibility_enabled";
2859
2860        /**
2861         * If touch exploration is enabled.
2862         */
2863        public static final String TOUCH_EXPLORATION_ENABLED = "touch_exploration_enabled";
2864
2865        /**
2866         * List of the enabled accessibility providers.
2867         */
2868        public static final String ENABLED_ACCESSIBILITY_SERVICES =
2869            "enabled_accessibility_services";
2870
2871        /**
2872         * Whether to speak passwords while in accessibility mode.
2873         */
2874        public static final String ACCESSIBILITY_SPEAK_PASSWORD = "speak_password";
2875
2876        /**
2877         * If injection of accessibility enhancing JavaScript screen-reader
2878         * is enabled.
2879         * <p>
2880         *   Note: The JavaScript based screen-reader is served by the
2881         *   Google infrastructure and enable users with disabilities to
2882         *   efficiantly navigate in and explore web content.
2883         * </p>
2884         * <p>
2885         *   This property represents a boolean value.
2886         * </p>
2887         * @hide
2888         */
2889        public static final String ACCESSIBILITY_SCRIPT_INJECTION =
2890            "accessibility_script_injection";
2891
2892        /**
2893         * The URL for the injected JavaScript based screen-reader used
2894         * for providing accessiblity of content in WebView.
2895         * <p>
2896         *   Note: The JavaScript based screen-reader is served by the
2897         *   Google infrastructure and enable users with disabilities to
2898         *   efficiently navigate in and explore web content.
2899         * </p>
2900         * <p>
2901         *   This property represents a string value.
2902         * </p>
2903         * @hide
2904         */
2905        public static final String ACCESSIBILITY_SCREEN_READER_URL =
2906            "accessibility_script_injection_url";
2907
2908        /**
2909         * Key bindings for navigation in built-in accessibility support for web content.
2910         * <p>
2911         *   Note: These key bindings are for the built-in accessibility navigation for
2912         *   web content which is used as a fall back solution if JavaScript in a WebView
2913         *   is not enabled or the user has not opted-in script injection from Google.
2914         * </p>
2915         * <p>
2916         *   The bindings are separated by semi-colon. A binding is a mapping from
2917         *   a key to a sequence of actions (for more details look at
2918         *   android.webkit.AccessibilityInjector). A key is represented as the hexademical
2919         *   string representation of an integer obtained from a meta state (optional) shifted
2920         *   sixteen times left and bitwise ored with a key code. An action is represented
2921         *   as a hexademical string representation of an integer where the first two digits
2922         *   are navigation action index, the second, the third, and the fourth digit pairs
2923         *   represent the action arguments. The separate actions in a binding are colon
2924         *   separated. The key and the action sequence it maps to are separated by equals.
2925         * </p>
2926         * <p>
2927         *   For example, the binding below maps the DPAD right button to traverse the
2928         *   current navigation axis once without firing an accessibility event and to
2929         *   perform the same traversal again but to fire an event:
2930         *   <code>
2931         *     0x16=0x01000100:0x01000101;
2932         *   </code>
2933         * </p>
2934         * <p>
2935         *   The goal of this binding is to enable dynamic rebinding of keys to
2936         *   navigation actions for web content without requiring a framework change.
2937         * </p>
2938         * <p>
2939         *   This property represents a string value.
2940         * </p>
2941         * @hide
2942         */
2943        public static final String ACCESSIBILITY_WEB_CONTENT_KEY_BINDINGS =
2944            "accessibility_web_content_key_bindings";
2945
2946        /**
2947         * The timout for considering a press to be a long press in milliseconds.
2948         * @hide
2949         */
2950        public static final String LONG_PRESS_TIMEOUT = "long_press_timeout";
2951
2952        /**
2953         * Setting to always use the default text-to-speech settings regardless
2954         * of the application settings.
2955         * 1 = override application settings,
2956         * 0 = use application settings (if specified).
2957         *
2958         * @deprecated  The value of this setting is no longer respected by
2959         * the framework text to speech APIs as of the Ice Cream Sandwich release.
2960         */
2961        @Deprecated
2962        public static final String TTS_USE_DEFAULTS = "tts_use_defaults";
2963
2964        /**
2965         * Default text-to-speech engine speech rate. 100 = 1x
2966         */
2967        public static final String TTS_DEFAULT_RATE = "tts_default_rate";
2968
2969        /**
2970         * Default text-to-speech engine pitch. 100 = 1x
2971         */
2972        public static final String TTS_DEFAULT_PITCH = "tts_default_pitch";
2973
2974        /**
2975         * Default text-to-speech engine.
2976         */
2977        public static final String TTS_DEFAULT_SYNTH = "tts_default_synth";
2978
2979        /**
2980         * Default text-to-speech language.
2981         *
2982         * @deprecated this setting is no longer in use, as of the Ice Cream
2983         * Sandwich release. Apps should never need to read this setting directly,
2984         * instead can query the TextToSpeech framework classes for the default
2985         * locale. {@link TextToSpeech#getLanguage()}.
2986         */
2987        @Deprecated
2988        public static final String TTS_DEFAULT_LANG = "tts_default_lang";
2989
2990        /**
2991         * Default text-to-speech country.
2992         *
2993         * @deprecated this setting is no longer in use, as of the Ice Cream
2994         * Sandwich release. Apps should never need to read this setting directly,
2995         * instead can query the TextToSpeech framework classes for the default
2996         * locale. {@link TextToSpeech#getLanguage()}.
2997         */
2998        @Deprecated
2999        public static final String TTS_DEFAULT_COUNTRY = "tts_default_country";
3000
3001        /**
3002         * Default text-to-speech locale variant.
3003         *
3004         * @deprecated this setting is no longer in use, as of the Ice Cream
3005         * Sandwich release. Apps should never need to read this setting directly,
3006         * instead can query the TextToSpeech framework classes for the
3007         * locale that is in use {@link TextToSpeech#getLanguage()}.
3008         */
3009        @Deprecated
3010        public static final String TTS_DEFAULT_VARIANT = "tts_default_variant";
3011
3012        /**
3013         * Stores the default tts locales on a per engine basis. Stored as
3014         * a comma seperated list of values, each value being of the form
3015         * {@code engine_name:locale} for example,
3016         * {@code com.foo.ttsengine:eng-USA,com.bar.ttsengine:esp-ESP}. This
3017         * supersedes {@link #TTS_DEFAULT_LANG}, {@link #TTS_DEFAULT_COUNTRY} and
3018         * {@link #TTS_DEFAULT_VARIANT}. Apps should never need to read this
3019         * setting directly, and can query the TextToSpeech framework classes
3020         * for the locale that is in use.
3021         *
3022         * @hide
3023         */
3024        public static final String TTS_DEFAULT_LOCALE = "tts_default_locale";
3025
3026        /**
3027         * Space delimited list of plugin packages that are enabled.
3028         */
3029        public static final String TTS_ENABLED_PLUGINS = "tts_enabled_plugins";
3030
3031        /**
3032         * Whether to notify the user of open networks.
3033         * <p>
3034         * If not connected and the scan results have an open network, we will
3035         * put this notification up. If we attempt to connect to a network or
3036         * the open network(s) disappear, we remove the notification. When we
3037         * show the notification, we will not show it again for
3038         * {@link android.provider.Settings.Secure#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
3039         */
3040        public static final String WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3041                "wifi_networks_available_notification_on";
3042        /**
3043         * {@hide}
3044         */
3045        public static final String WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON =
3046                "wimax_networks_available_notification_on";
3047
3048        /**
3049         * Delay (in seconds) before repeating the Wi-Fi networks available notification.
3050         * Connecting to a network will reset the timer.
3051         */
3052        public static final String WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY =
3053                "wifi_networks_available_repeat_delay";
3054
3055        /**
3056         * 802.11 country code in ISO 3166 format
3057         * @hide
3058         */
3059        public static final String WIFI_COUNTRY_CODE = "wifi_country_code";
3060
3061
3062        /**
3063         * When the number of open networks exceeds this number, the
3064         * least-recently-used excess networks will be removed.
3065         */
3066        public static final String WIFI_NUM_OPEN_NETWORKS_KEPT = "wifi_num_open_networks_kept";
3067
3068        /**
3069         * Whether the Wi-Fi should be on.  Only the Wi-Fi service should touch this.
3070         */
3071        public static final String WIFI_ON = "wifi_on";
3072
3073        /**
3074         * Used to save the Wifi_ON state prior to tethering.
3075         * This state will be checked to restore Wifi after
3076         * the user turns off tethering.
3077         *
3078         * @hide
3079         */
3080        public static final String WIFI_SAVED_STATE = "wifi_saved_state";
3081
3082        /**
3083         * AP SSID
3084         *
3085         * @hide
3086         */
3087        public static final String WIFI_AP_SSID = "wifi_ap_ssid";
3088
3089        /**
3090         * AP security
3091         *
3092         * @hide
3093         */
3094        public static final String WIFI_AP_SECURITY = "wifi_ap_security";
3095
3096        /**
3097         * AP passphrase
3098         *
3099         * @hide
3100         */
3101        public static final String WIFI_AP_PASSWD = "wifi_ap_passwd";
3102
3103        /**
3104         * The acceptable packet loss percentage (range 0 - 100) before trying
3105         * another AP on the same network.
3106         */
3107        @Deprecated
3108        public static final String WIFI_WATCHDOG_ACCEPTABLE_PACKET_LOSS_PERCENTAGE =
3109                "wifi_watchdog_acceptable_packet_loss_percentage";
3110
3111        /**
3112         * The number of access points required for a network in order for the
3113         * watchdog to monitor it.
3114         */
3115        @Deprecated
3116        public static final String WIFI_WATCHDOG_AP_COUNT = "wifi_watchdog_ap_count";
3117
3118        /**
3119         * The delay between background checks.
3120         */
3121        @Deprecated
3122        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_DELAY_MS =
3123                "wifi_watchdog_background_check_delay_ms";
3124
3125        /**
3126         * Whether the Wi-Fi watchdog is enabled for background checking even
3127         * after it thinks the user has connected to a good access point.
3128         */
3129        @Deprecated
3130        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_ENABLED =
3131                "wifi_watchdog_background_check_enabled";
3132
3133        /**
3134         * The timeout for a background ping
3135         */
3136        @Deprecated
3137        public static final String WIFI_WATCHDOG_BACKGROUND_CHECK_TIMEOUT_MS =
3138                "wifi_watchdog_background_check_timeout_ms";
3139
3140        /**
3141         * The number of initial pings to perform that *may* be ignored if they
3142         * fail. Again, if these fail, they will *not* be used in packet loss
3143         * calculation. For example, one network always seemed to time out for
3144         * the first couple pings, so this is set to 3 by default.
3145         */
3146        @Deprecated
3147        public static final String WIFI_WATCHDOG_INITIAL_IGNORED_PING_COUNT =
3148            "wifi_watchdog_initial_ignored_ping_count";
3149
3150        /**
3151         * The maximum number of access points (per network) to attempt to test.
3152         * If this number is reached, the watchdog will no longer monitor the
3153         * initial connection state for the network. This is a safeguard for
3154         * networks containing multiple APs whose DNS does not respond to pings.
3155         */
3156        @Deprecated
3157        public static final String WIFI_WATCHDOG_MAX_AP_CHECKS = "wifi_watchdog_max_ap_checks";
3158
3159        /**
3160         * Whether the Wi-Fi watchdog is enabled.
3161         */
3162        public static final String WIFI_WATCHDOG_ON = "wifi_watchdog_on";
3163
3164        /**
3165         * A comma-separated list of SSIDs for which the Wi-Fi watchdog should be enabled.
3166         */
3167        @Deprecated
3168        public static final String WIFI_WATCHDOG_WATCH_LIST = "wifi_watchdog_watch_list";
3169
3170        /**
3171         * The number of pings to test if an access point is a good connection.
3172         */
3173        @Deprecated
3174        public static final String WIFI_WATCHDOG_PING_COUNT = "wifi_watchdog_ping_count";
3175
3176        /**
3177         * The delay between pings.
3178         */
3179        @Deprecated
3180        public static final String WIFI_WATCHDOG_PING_DELAY_MS = "wifi_watchdog_ping_delay_ms";
3181
3182        /**
3183         * The timeout per ping.
3184         */
3185        @Deprecated
3186        public static final String WIFI_WATCHDOG_PING_TIMEOUT_MS = "wifi_watchdog_ping_timeout_ms";
3187
3188        /**
3189         * ms delay before rechecking an 'online' wifi connection when it is thought to be unstable.
3190         * @hide
3191         */
3192        public static final String WIFI_WATCHDOG_ARP_CHECK_INTERVAL_MS =
3193                "wifi_watchdog_arp_interval_ms";
3194
3195        /**
3196         * ms delay interval between rssi polling when the signal is known to be weak
3197         * @hide
3198         */
3199        public static final String WIFI_WATCHDOG_RSSI_FETCH_INTERVAL_MS =
3200                "wifi_watchdog_rssi_fetch_interval_ms";
3201
3202
3203        /**
3204         * ms delay before rechecking a connect SSID for walled garden with a http download.
3205         * @hide
3206         */
3207        public static final String WIFI_WATCHDOG_WALLED_GARDEN_INTERVAL_MS =
3208                "wifi_watchdog_walled_garden_interval_ms";
3209
3210        /**
3211         * Number of ARP pings per check.
3212         * @hide
3213         */
3214        public static final String WIFI_WATCHDOG_NUM_ARP_PINGS = "wifi_watchdog_num_arp_pings";
3215
3216        /**
3217         * Minimum number of responses to the arp pings to consider the test 'successful'.
3218         * @hide
3219         */
3220        public static final String WIFI_WATCHDOG_MIN_ARP_RESPONSES =
3221                "wifi_watchdog_min_arp_responses";
3222
3223        /**
3224         * Timeout on ARP pings
3225         * @hide
3226         */
3227        public static final String WIFI_WATCHDOG_ARP_PING_TIMEOUT_MS =
3228                "wifi_watchdog_arp_ping_timeout_ms";
3229
3230        /**
3231         * Setting to turn off poor network avoidance on Wi-Fi. Feature is enabled by default and
3232         * the setting needs to be set to 0 to disable it.
3233         * @hide
3234         */
3235        public static final String WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED =
3236                "wifi_watchdog_poor_network_test_enabled";
3237
3238        /**
3239         * Setting to turn off walled garden test on Wi-Fi. Feature is enabled by default and
3240         * the setting needs to be set to 0 to disable it.
3241         * @hide
3242         */
3243        public static final String WIFI_WATCHDOG_WALLED_GARDEN_TEST_ENABLED =
3244                "wifi_watchdog_walled_garden_test_enabled";
3245
3246        /**
3247         * The URL used for walled garden check upon a new conection. WifiWatchdogService
3248         * fetches the URL and checks to see if {@link #WIFI_WATCHDOG_WALLED_GARDEN_PATTERN}
3249         * is not part of the title string to notify the user on the presence of a walled garden.
3250         * @hide
3251         */
3252        public static final String WIFI_WATCHDOG_WALLED_GARDEN_URL =
3253                "wifi_watchdog_walled_garden_url";
3254
3255        /**
3256         * The maximum number of times we will retry a connection to an access
3257         * point for which we have failed in acquiring an IP address from DHCP.
3258         * A value of N means that we will make N+1 connection attempts in all.
3259         */
3260        public static final String WIFI_MAX_DHCP_RETRY_COUNT = "wifi_max_dhcp_retry_count";
3261
3262        /**
3263         * The operational wifi frequency band
3264         * Set to one of {@link WifiManager#WIFI_FREQUENCY_BAND_AUTO},
3265         * {@link WifiManager#WIFI_FREQUENCY_BAND_5GHZ} or
3266         * {@link WifiManager#WIFI_FREQUENCY_BAND_2GHZ}
3267         *
3268         * @hide
3269         */
3270        public static final String WIFI_FREQUENCY_BAND = "wifi_frequency_band";
3271
3272        /**
3273         * Maximum amount of time in milliseconds to hold a wakelock while waiting for mobile
3274         * data connectivity to be established after a disconnect from Wi-Fi.
3275         */
3276        public static final String WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS =
3277            "wifi_mobile_data_transition_wakelock_timeout_ms";
3278
3279        /**
3280         * Whether network service discovery is enabled.
3281         * @hide
3282         */
3283        public static final String NSD_ON = "nsd_on";
3284
3285        /**
3286         * Whether background data usage is allowed by the user. See
3287         * ConnectivityManager for more info.
3288         */
3289        @Deprecated
3290        public static final String BACKGROUND_DATA = "background_data";
3291
3292        /**
3293         * Origins for which browsers should allow geolocation by default.
3294         * The value is a space-separated list of origins.
3295         */
3296        public static final String ALLOWED_GEOLOCATION_ORIGINS
3297                = "allowed_geolocation_origins";
3298
3299        /**
3300         * Whether mobile data connections are allowed by the user.  See
3301         * ConnectivityManager for more info.
3302         * @hide
3303         */
3304        public static final String MOBILE_DATA = "mobile_data";
3305
3306        /**
3307         * The CDMA roaming mode 0 = Home Networks, CDMA default
3308         *                       1 = Roaming on Affiliated networks
3309         *                       2 = Roaming on any networks
3310         * @hide
3311         */
3312        public static final String CDMA_ROAMING_MODE = "roaming_settings";
3313
3314        /**
3315         * The CDMA subscription mode 0 = RUIM/SIM (default)
3316         *                                1 = NV
3317         * @hide
3318         */
3319        public static final String CDMA_SUBSCRIPTION_MODE = "subscription_mode";
3320
3321        /**
3322         * The preferred network mode   7 = Global
3323         *                              6 = EvDo only
3324         *                              5 = CDMA w/o EvDo
3325         *                              4 = CDMA / EvDo auto
3326         *                              3 = GSM / WCDMA auto
3327         *                              2 = WCDMA only
3328         *                              1 = GSM only
3329         *                              0 = GSM / WCDMA preferred
3330         * @hide
3331         */
3332        public static final String PREFERRED_NETWORK_MODE =
3333                "preferred_network_mode";
3334
3335        /**
3336         * The preferred TTY mode     0 = TTy Off, CDMA default
3337         *                            1 = TTY Full
3338         *                            2 = TTY HCO
3339         *                            3 = TTY VCO
3340         * @hide
3341         */
3342        public static final String PREFERRED_TTY_MODE =
3343                "preferred_tty_mode";
3344
3345
3346        /**
3347         * CDMA Cell Broadcast SMS
3348         *                            0 = CDMA Cell Broadcast SMS disabled
3349         *                            1 = CDMA Cell Broadcast SMS enabled
3350         * @hide
3351         */
3352        public static final String CDMA_CELL_BROADCAST_SMS =
3353                "cdma_cell_broadcast_sms";
3354
3355        /**
3356         * The cdma subscription 0 = Subscription from RUIM, when available
3357         *                       1 = Subscription from NV
3358         * @hide
3359         */
3360        public static final String PREFERRED_CDMA_SUBSCRIPTION =
3361                "preferred_cdma_subscription";
3362
3363        /**
3364         * Whether the enhanced voice privacy mode is enabled.
3365         * 0 = normal voice privacy
3366         * 1 = enhanced voice privacy
3367         * @hide
3368         */
3369        public static final String ENHANCED_VOICE_PRIVACY_ENABLED = "enhanced_voice_privacy_enabled";
3370
3371        /**
3372         * Whether the TTY mode mode is enabled.
3373         * 0 = disabled
3374         * 1 = enabled
3375         * @hide
3376         */
3377        public static final String TTY_MODE_ENABLED = "tty_mode_enabled";
3378
3379        /**
3380         * The number of milliseconds to delay before sending out Connectivyt Change broadcasts
3381         * @hide
3382         */
3383        public static final String CONNECTIVITY_CHANGE_DELAY = "connectivity_change_delay";
3384
3385        /**
3386         * Default value for CONNECTIVITY_CHANGE_DELAY in milliseconds.
3387         * @hide
3388         */
3389        public static final int CONNECTIVITY_CHANGE_DELAY_DEFAULT = 3000;
3390
3391        /**
3392         * Controls whether settings backup is enabled.
3393         * Type: int ( 0 = disabled, 1 = enabled )
3394         * @hide
3395         */
3396        public static final String BACKUP_ENABLED = "backup_enabled";
3397
3398        /**
3399         * Controls whether application data is automatically restored from backup
3400         * at install time.
3401         * Type: int ( 0 = disabled, 1 = enabled )
3402         * @hide
3403         */
3404        public static final String BACKUP_AUTO_RESTORE = "backup_auto_restore";
3405
3406        /**
3407         * Indicates whether settings backup has been fully provisioned.
3408         * Type: int ( 0 = unprovisioned, 1 = fully provisioned )
3409         * @hide
3410         */
3411        public static final String BACKUP_PROVISIONED = "backup_provisioned";
3412
3413        /**
3414         * Component of the transport to use for backup/restore.
3415         * @hide
3416         */
3417        public static final String BACKUP_TRANSPORT = "backup_transport";
3418
3419        /**
3420         * Version for which the setup wizard was last shown.  Bumped for
3421         * each release when there is new setup information to show.
3422         * @hide
3423         */
3424        public static final String LAST_SETUP_SHOWN = "last_setup_shown";
3425
3426        /**
3427         * How frequently (in seconds) to check the memory status of the
3428         * device.
3429         * @hide
3430         */
3431        public static final String MEMCHECK_INTERVAL = "memcheck_interval";
3432
3433        /**
3434         * Max frequency (in seconds) to log memory check stats, in realtime
3435         * seconds.  This allows for throttling of logs when the device is
3436         * running for large amounts of time.
3437         * @hide
3438         */
3439        public static final String MEMCHECK_LOG_REALTIME_INTERVAL =
3440                "memcheck_log_realtime_interval";
3441
3442        /**
3443         * Boolean indicating whether rebooting due to system memory checks
3444         * is enabled.
3445         * @hide
3446         */
3447        public static final String MEMCHECK_SYSTEM_ENABLED = "memcheck_system_enabled";
3448
3449        /**
3450         * How many bytes the system process must be below to avoid scheduling
3451         * a soft reboot.  This reboot will happen when it is next determined
3452         * to be a good time.
3453         * @hide
3454         */
3455        public static final String MEMCHECK_SYSTEM_SOFT_THRESHOLD = "memcheck_system_soft";
3456
3457        /**
3458         * How many bytes the system process must be below to avoid scheduling
3459         * a hard reboot.  This reboot will happen immediately.
3460         * @hide
3461         */
3462        public static final String MEMCHECK_SYSTEM_HARD_THRESHOLD = "memcheck_system_hard";
3463
3464        /**
3465         * How many bytes the phone process must be below to avoid scheduling
3466         * a soft restart.  This restart will happen when it is next determined
3467         * to be a good time.
3468         * @hide
3469         */
3470        public static final String MEMCHECK_PHONE_SOFT_THRESHOLD = "memcheck_phone_soft";
3471
3472        /**
3473         * How many bytes the phone process must be below to avoid scheduling
3474         * a hard restart.  This restart will happen immediately.
3475         * @hide
3476         */
3477        public static final String MEMCHECK_PHONE_HARD_THRESHOLD = "memcheck_phone_hard";
3478
3479        /**
3480         * Boolean indicating whether restarting the phone process due to
3481         * memory checks is enabled.
3482         * @hide
3483         */
3484        public static final String MEMCHECK_PHONE_ENABLED = "memcheck_phone_enabled";
3485
3486        /**
3487         * First time during the day it is okay to kill processes
3488         * or reboot the device due to low memory situations.  This number is
3489         * in seconds since midnight.
3490         * @hide
3491         */
3492        public static final String MEMCHECK_EXEC_START_TIME = "memcheck_exec_start_time";
3493
3494        /**
3495         * Last time during the day it is okay to kill processes
3496         * or reboot the device due to low memory situations.  This number is
3497         * in seconds since midnight.
3498         * @hide
3499         */
3500        public static final String MEMCHECK_EXEC_END_TIME = "memcheck_exec_end_time";
3501
3502        /**
3503         * How long the screen must have been off in order to kill processes
3504         * or reboot.  This number is in seconds.  A value of -1 means to
3505         * entirely disregard whether the screen is on.
3506         * @hide
3507         */
3508        public static final String MEMCHECK_MIN_SCREEN_OFF = "memcheck_min_screen_off";
3509
3510        /**
3511         * How much time there must be until the next alarm in order to kill processes
3512         * or reboot.  This number is in seconds.  Note: this value must be
3513         * smaller than {@link #MEMCHECK_RECHECK_INTERVAL} or else it will
3514         * always see an alarm scheduled within its time.
3515         * @hide
3516         */
3517        public static final String MEMCHECK_MIN_ALARM = "memcheck_min_alarm";
3518
3519        /**
3520         * How frequently to check whether it is a good time to restart things,
3521         * if the device is in a bad state.  This number is in seconds.  Note:
3522         * this value must be larger than {@link #MEMCHECK_MIN_ALARM} or else
3523         * the alarm to schedule the recheck will always appear within the
3524         * minimum "do not execute now" time.
3525         * @hide
3526         */
3527        public static final String MEMCHECK_RECHECK_INTERVAL = "memcheck_recheck_interval";
3528
3529        /**
3530         * How frequently (in DAYS) to reboot the device.  If 0, no reboots
3531         * will occur.
3532         * @hide
3533         */
3534        public static final String REBOOT_INTERVAL = "reboot_interval";
3535
3536        /**
3537         * First time during the day it is okay to force a reboot of the
3538         * device (if REBOOT_INTERVAL is set).  This number is
3539         * in seconds since midnight.
3540         * @hide
3541         */
3542        public static final String REBOOT_START_TIME = "reboot_start_time";
3543
3544        /**
3545         * The window of time (in seconds) after each REBOOT_INTERVAL in which
3546         * a reboot can be executed.  If 0, a reboot will always be executed at
3547         * exactly the given time.  Otherwise, it will only be executed if
3548         * the device is idle within the window.
3549         * @hide
3550         */
3551        public static final String REBOOT_WINDOW = "reboot_window";
3552
3553        /**
3554         * Threshold values for the duration and level of a discharge cycle, under
3555         * which we log discharge cycle info.
3556         * @hide
3557         */
3558        public static final String BATTERY_DISCHARGE_DURATION_THRESHOLD =
3559                "battery_discharge_duration_threshold";
3560        /** @hide */
3561        public static final String BATTERY_DISCHARGE_THRESHOLD = "battery_discharge_threshold";
3562
3563        /**
3564         * Flag for allowing ActivityManagerService to send ACTION_APP_ERROR intents
3565         * on application crashes and ANRs. If this is disabled, the crash/ANR dialog
3566         * will never display the "Report" button.
3567         * Type: int ( 0 = disallow, 1 = allow )
3568         * @hide
3569         */
3570        public static final String SEND_ACTION_APP_ERROR = "send_action_app_error";
3571
3572        /**
3573         * Nonzero causes Log.wtf() to crash.
3574         * @hide
3575         */
3576        public static final String WTF_IS_FATAL = "wtf_is_fatal";
3577
3578        /**
3579         * Maximum age of entries kept by {@link com.android.internal.os.IDropBoxManagerService}.
3580         * @hide
3581         */
3582        public static final String DROPBOX_AGE_SECONDS =
3583                "dropbox_age_seconds";
3584        /**
3585         * Maximum number of entry files which {@link com.android.internal.os.IDropBoxManagerService} will keep around.
3586         * @hide
3587         */
3588        public static final String DROPBOX_MAX_FILES =
3589                "dropbox_max_files";
3590        /**
3591         * Maximum amount of disk space used by {@link com.android.internal.os.IDropBoxManagerService} no matter what.
3592         * @hide
3593         */
3594        public static final String DROPBOX_QUOTA_KB =
3595                "dropbox_quota_kb";
3596        /**
3597         * Percent of free disk (excluding reserve) which {@link com.android.internal.os.IDropBoxManagerService} will use.
3598         * @hide
3599         */
3600        public static final String DROPBOX_QUOTA_PERCENT =
3601                "dropbox_quota_percent";
3602        /**
3603         * Percent of total disk which {@link com.android.internal.os.IDropBoxManagerService} will never dip into.
3604         * @hide
3605         */
3606        public static final String DROPBOX_RESERVE_PERCENT =
3607                "dropbox_reserve_percent";
3608        /**
3609         * Prefix for per-tag dropbox disable/enable settings.
3610         * @hide
3611         */
3612        public static final String DROPBOX_TAG_PREFIX =
3613                "dropbox:";
3614        /**
3615         * Lines of logcat to include with system crash/ANR/etc. reports,
3616         * as a prefix of the dropbox tag of the report type.
3617         * For example, "logcat_for_system_server_anr" controls the lines
3618         * of logcat captured with system server ANR reports.  0 to disable.
3619         * @hide
3620         */
3621        public static final String ERROR_LOGCAT_PREFIX =
3622                "logcat_for_";
3623
3624
3625        /**
3626         * Screen timeout in milliseconds corresponding to the
3627         * PowerManager's POKE_LOCK_SHORT_TIMEOUT flag (i.e. the fastest
3628         * possible screen timeout behavior.)
3629         * @hide
3630         */
3631        public static final String SHORT_KEYLIGHT_DELAY_MS =
3632                "short_keylight_delay_ms";
3633
3634        /**
3635         * The interval in minutes after which the amount of free storage left on the
3636         * device is logged to the event log
3637         * @hide
3638         */
3639        public static final String SYS_FREE_STORAGE_LOG_INTERVAL =
3640                "sys_free_storage_log_interval";
3641
3642        /**
3643         * Threshold for the amount of change in disk free space required to report the amount of
3644         * free space. Used to prevent spamming the logs when the disk free space isn't changing
3645         * frequently.
3646         * @hide
3647         */
3648        public static final String DISK_FREE_CHANGE_REPORTING_THRESHOLD =
3649                "disk_free_change_reporting_threshold";
3650
3651
3652        /**
3653         * Minimum percentage of free storage on the device that is used to determine if
3654         * the device is running low on storage.  The default is 10.
3655         * <p>Say this value is set to 10, the device is considered running low on storage
3656         * if 90% or more of the device storage is filled up.
3657         * @hide
3658         */
3659        public static final String SYS_STORAGE_THRESHOLD_PERCENTAGE =
3660                "sys_storage_threshold_percentage";
3661
3662        /**
3663         * Maximum byte size of the low storage threshold.  This is to ensure
3664         * that {@link #SYS_STORAGE_THRESHOLD_PERCENTAGE} does not result in
3665         * an overly large threshold for large storage devices.  Currently this
3666         * must be less than 2GB.  This default is 500MB.
3667         * @hide
3668         */
3669        public static final String SYS_STORAGE_THRESHOLD_MAX_BYTES =
3670                "sys_storage_threshold_max_bytes";
3671
3672        /**
3673         * Minimum bytes of free storage on the device before the data
3674         * partition is considered full. By default, 1 MB is reserved
3675         * to avoid system-wide SQLite disk full exceptions.
3676         * @hide
3677         */
3678        public static final String SYS_STORAGE_FULL_THRESHOLD_BYTES =
3679                "sys_storage_full_threshold_bytes";
3680
3681        /**
3682         * The interval in milliseconds after which Wi-Fi is considered idle.
3683         * When idle, it is possible for the device to be switched from Wi-Fi to
3684         * the mobile data network.
3685         * @hide
3686         */
3687        public static final String WIFI_IDLE_MS = "wifi_idle_ms";
3688
3689        /**
3690         * The interval in milliseconds to issue wake up scans when wifi needs
3691         * to connect. This is necessary to connect to an access point when
3692         * device is on the move and the screen is off.
3693         * @hide
3694         */
3695        public static final String WIFI_FRAMEWORK_SCAN_INTERVAL_MS =
3696                "wifi_framework_scan_interval_ms";
3697
3698        /**
3699         * The interval in milliseconds to scan as used by the wifi supplicant
3700         * @hide
3701         */
3702        public static final String WIFI_SUPPLICANT_SCAN_INTERVAL_MS =
3703                "wifi_supplicant_scan_interval_ms";
3704
3705        /**
3706         * The interval in milliseconds at which to check packet counts on the
3707         * mobile data interface when screen is on, to detect possible data
3708         * connection problems.
3709         * @hide
3710         */
3711        public static final String PDP_WATCHDOG_POLL_INTERVAL_MS =
3712                "pdp_watchdog_poll_interval_ms";
3713
3714        /**
3715         * The interval in milliseconds at which to check packet counts on the
3716         * mobile data interface when screen is off, to detect possible data
3717         * connection problems.
3718         * @hide
3719         */
3720        public static final String PDP_WATCHDOG_LONG_POLL_INTERVAL_MS =
3721                "pdp_watchdog_long_poll_interval_ms";
3722
3723        /**
3724         * The interval in milliseconds at which to check packet counts on the
3725         * mobile data interface after {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT}
3726         * outgoing packets has been reached without incoming packets.
3727         * @hide
3728         */
3729        public static final String PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS =
3730                "pdp_watchdog_error_poll_interval_ms";
3731
3732        /**
3733         * The number of outgoing packets sent without seeing an incoming packet
3734         * that triggers a countdown (of {@link #PDP_WATCHDOG_ERROR_POLL_COUNT}
3735         * device is logged to the event log
3736         * @hide
3737         */
3738        public static final String PDP_WATCHDOG_TRIGGER_PACKET_COUNT =
3739                "pdp_watchdog_trigger_packet_count";
3740
3741        /**
3742         * The number of polls to perform (at {@link #PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS})
3743         * after hitting {@link #PDP_WATCHDOG_TRIGGER_PACKET_COUNT} before
3744         * attempting data connection recovery.
3745         * @hide
3746         */
3747        public static final String PDP_WATCHDOG_ERROR_POLL_COUNT =
3748                "pdp_watchdog_error_poll_count";
3749
3750        /**
3751         * The number of failed PDP reset attempts before moving to something more
3752         * drastic: re-registering to the network.
3753         * @hide
3754         */
3755        public static final String PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT =
3756                "pdp_watchdog_max_pdp_reset_fail_count";
3757
3758        /**
3759         * The number of milliseconds to delay when checking for data stalls during
3760         * non-aggressive detection. (screen is turned off.)
3761         * @hide
3762         */
3763        public static final String DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS =
3764                "data_stall_alarm_non_aggressive_delay_in_ms";
3765
3766        /**
3767         * The number of milliseconds to delay when checking for data stalls during
3768         * aggressive detection. (screen on or suspected data stall)
3769         * @hide
3770         */
3771        public static final String DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS =
3772                "data_stall_alarm_aggressive_delay_in_ms";
3773
3774        /**
3775         * The interval in milliseconds at which to check gprs registration
3776         * after the first registration mismatch of gprs and voice service,
3777         * to detect possible data network registration problems.
3778         *
3779         * @hide
3780         */
3781        public static final String GPRS_REGISTER_CHECK_PERIOD_MS =
3782                "gprs_register_check_period_ms";
3783
3784        /**
3785         * The length of time in milli-seconds that automatic small adjustments to
3786         * SystemClock are ignored if NITZ_UPDATE_DIFF is not exceeded.
3787         * @hide
3788         */
3789        public static final String NITZ_UPDATE_SPACING = "nitz_update_spacing";
3790
3791        /**
3792         * If the NITZ_UPDATE_DIFF time is exceeded then an automatic adjustment
3793         * to SystemClock will be allowed even if NITZ_UPDATE_SPACING has not been
3794         * exceeded.
3795         * @hide
3796         */
3797        public static final String NITZ_UPDATE_DIFF = "nitz_update_diff";
3798
3799        /**
3800         * The maximum reconnect delay for short network outages or when the network is suspended
3801         * due to phone use.
3802         * @hide
3803         */
3804        public static final String SYNC_MAX_RETRY_DELAY_IN_SECONDS =
3805                "sync_max_retry_delay_in_seconds";
3806
3807        /**
3808         * The interval in milliseconds at which to check the number of SMS sent
3809         * out without asking for use permit, to limit the un-authorized SMS
3810         * usage.
3811         * @hide
3812         */
3813        public static final String SMS_OUTGOING_CHECK_INTERVAL_MS =
3814                "sms_outgoing_check_interval_ms";
3815
3816        /**
3817         * The number of outgoing SMS sent without asking for user permit
3818         * (of {@link #SMS_OUTGOING_CHECK_INTERVAL_MS}
3819         * @hide
3820         */
3821        public static final String SMS_OUTGOING_CHECK_MAX_COUNT =
3822                "sms_outgoing_check_max_count";
3823
3824        /**
3825         * The global search provider chosen by the user (if multiple global
3826         * search providers are installed). This will be the provider returned
3827         * by {@link SearchManager#getGlobalSearchActivity()} if it's still
3828         * installed. This setting is stored as a flattened component name as
3829         * per {@link ComponentName#flattenToString()}.
3830         *
3831         * @hide
3832         */
3833        public static final String SEARCH_GLOBAL_SEARCH_ACTIVITY =
3834                "search_global_search_activity";
3835
3836        /**
3837         * The number of promoted sources in GlobalSearch.
3838         * @hide
3839         */
3840        public static final String SEARCH_NUM_PROMOTED_SOURCES = "search_num_promoted_sources";
3841        /**
3842         * The maximum number of suggestions returned by GlobalSearch.
3843         * @hide
3844         */
3845        public static final String SEARCH_MAX_RESULTS_TO_DISPLAY = "search_max_results_to_display";
3846        /**
3847         * The number of suggestions GlobalSearch will ask each non-web search source for.
3848         * @hide
3849         */
3850        public static final String SEARCH_MAX_RESULTS_PER_SOURCE = "search_max_results_per_source";
3851        /**
3852         * The number of suggestions the GlobalSearch will ask the web search source for.
3853         * @hide
3854         */
3855        public static final String SEARCH_WEB_RESULTS_OVERRIDE_LIMIT =
3856                "search_web_results_override_limit";
3857        /**
3858         * The number of milliseconds that GlobalSearch will wait for suggestions from
3859         * promoted sources before continuing with all other sources.
3860         * @hide
3861         */
3862        public static final String SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS =
3863                "search_promoted_source_deadline_millis";
3864        /**
3865         * The number of milliseconds before GlobalSearch aborts search suggesiton queries.
3866         * @hide
3867         */
3868        public static final String SEARCH_SOURCE_TIMEOUT_MILLIS = "search_source_timeout_millis";
3869        /**
3870         * The maximum number of milliseconds that GlobalSearch shows the previous results
3871         * after receiving a new query.
3872         * @hide
3873         */
3874        public static final String SEARCH_PREFILL_MILLIS = "search_prefill_millis";
3875        /**
3876         * The maximum age of log data used for shortcuts in GlobalSearch.
3877         * @hide
3878         */
3879        public static final String SEARCH_MAX_STAT_AGE_MILLIS = "search_max_stat_age_millis";
3880        /**
3881         * The maximum age of log data used for source ranking in GlobalSearch.
3882         * @hide
3883         */
3884        public static final String SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS =
3885                "search_max_source_event_age_millis";
3886        /**
3887         * The minimum number of impressions needed to rank a source in GlobalSearch.
3888         * @hide
3889         */
3890        public static final String SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING =
3891                "search_min_impressions_for_source_ranking";
3892        /**
3893         * The minimum number of clicks needed to rank a source in GlobalSearch.
3894         * @hide
3895         */
3896        public static final String SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING =
3897                "search_min_clicks_for_source_ranking";
3898        /**
3899         * The maximum number of shortcuts shown by GlobalSearch.
3900         * @hide
3901         */
3902        public static final String SEARCH_MAX_SHORTCUTS_RETURNED = "search_max_shortcuts_returned";
3903        /**
3904         * The size of the core thread pool for suggestion queries in GlobalSearch.
3905         * @hide
3906         */
3907        public static final String SEARCH_QUERY_THREAD_CORE_POOL_SIZE =
3908                "search_query_thread_core_pool_size";
3909        /**
3910         * The maximum size of the thread pool for suggestion queries in GlobalSearch.
3911         * @hide
3912         */
3913        public static final String SEARCH_QUERY_THREAD_MAX_POOL_SIZE =
3914                "search_query_thread_max_pool_size";
3915        /**
3916         * The size of the core thread pool for shortcut refreshing in GlobalSearch.
3917         * @hide
3918         */
3919        public static final String SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE =
3920                "search_shortcut_refresh_core_pool_size";
3921        /**
3922         * The maximum size of the thread pool for shortcut refreshing in GlobalSearch.
3923         * @hide
3924         */
3925        public static final String SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE =
3926                "search_shortcut_refresh_max_pool_size";
3927        /**
3928         * The maximun time that excess threads in the GlobalSeach thread pools will
3929         * wait before terminating.
3930         * @hide
3931         */
3932        public static final String SEARCH_THREAD_KEEPALIVE_SECONDS =
3933                "search_thread_keepalive_seconds";
3934        /**
3935         * The maximum number of concurrent suggestion queries to each source.
3936         * @hide
3937         */
3938        public static final String SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT =
3939                "search_per_source_concurrent_query_limit";
3940
3941        /**
3942         * Whether or not alert sounds are played on MountService events. (0 = false, 1 = true)
3943         * @hide
3944         */
3945        public static final String MOUNT_PLAY_NOTIFICATION_SND = "mount_play_not_snd";
3946
3947        /**
3948         * Whether or not UMS auto-starts on UMS host detection. (0 = false, 1 = true)
3949         * @hide
3950         */
3951        public static final String MOUNT_UMS_AUTOSTART = "mount_ums_autostart";
3952
3953        /**
3954         * Whether or not a notification is displayed on UMS host detection. (0 = false, 1 = true)
3955         * @hide
3956         */
3957        public static final String MOUNT_UMS_PROMPT = "mount_ums_prompt";
3958
3959        /**
3960         * Whether or not a notification is displayed while UMS is enabled. (0 = false, 1 = true)
3961         * @hide
3962         */
3963        public static final String MOUNT_UMS_NOTIFY_ENABLED = "mount_ums_notify_enabled";
3964
3965        /**
3966         * If nonzero, ANRs in invisible background processes bring up a dialog.
3967         * Otherwise, the process will be silently killed.
3968         * @hide
3969         */
3970        public static final String ANR_SHOW_BACKGROUND = "anr_show_background";
3971
3972        /**
3973         * The {@link ComponentName} string of the service to be used as the voice recognition
3974         * service.
3975         *
3976         * @hide
3977         */
3978        public static final String VOICE_RECOGNITION_SERVICE = "voice_recognition_service";
3979
3980
3981        /**
3982         * The {@link ComponentName} string of the selected spell checker service which is
3983         * one of the services managed by the text service manager.
3984         *
3985         * @hide
3986         */
3987        public static final String SELECTED_SPELL_CHECKER = "selected_spell_checker";
3988
3989        /**
3990         * The {@link ComponentName} string of the selected subtype of the selected spell checker
3991         * service which is one of the services managed by the text service manager.
3992         *
3993         * @hide
3994         */
3995        public static final String SELECTED_SPELL_CHECKER_SUBTYPE =
3996                "selected_spell_checker_subtype";
3997
3998        /**
3999         * The {@link ComponentName} string whether spell checker is enabled or not.
4000         *
4001         * @hide
4002         */
4003        public static final String SPELL_CHECKER_ENABLED = "spell_checker_enabled";
4004
4005        /**
4006         * What happens when the user presses the Power button while in-call
4007         * and the screen is on.<br/>
4008         * <b>Values:</b><br/>
4009         * 1 - The Power button turns off the screen and locks the device. (Default behavior)<br/>
4010         * 2 - The Power button hangs up the current call.<br/>
4011         *
4012         * @hide
4013         */
4014        public static final String INCALL_POWER_BUTTON_BEHAVIOR = "incall_power_button_behavior";
4015
4016        /**
4017         * INCALL_POWER_BUTTON_BEHAVIOR value for "turn off screen".
4018         * @hide
4019         */
4020        public static final int INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF = 0x1;
4021
4022        /**
4023         * INCALL_POWER_BUTTON_BEHAVIOR value for "hang up".
4024         * @hide
4025         */
4026        public static final int INCALL_POWER_BUTTON_BEHAVIOR_HANGUP = 0x2;
4027
4028        /**
4029         * INCALL_POWER_BUTTON_BEHAVIOR default value.
4030         * @hide
4031         */
4032        public static final int INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT =
4033                INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
4034
4035        /**
4036         * The current night mode that has been selected by the user.  Owned
4037         * and controlled by UiModeManagerService.  Constants are as per
4038         * UiModeManager.
4039         * @hide
4040         */
4041        public static final String UI_NIGHT_MODE = "ui_night_mode";
4042
4043        /**
4044         * Let user pick default install location.
4045         * @hide
4046         */
4047        public static final String SET_INSTALL_LOCATION = "set_install_location";
4048
4049        /**
4050         * Default install location value.
4051         * 0 = auto, let system decide
4052         * 1 = internal
4053         * 2 = sdcard
4054         * @hide
4055         */
4056        public static final String DEFAULT_INSTALL_LOCATION = "default_install_location";
4057
4058        /**
4059         * The bandwidth throttle polling freqency in seconds
4060         * @hide
4061         */
4062        public static final String THROTTLE_POLLING_SEC = "throttle_polling_sec";
4063
4064        /**
4065         * The bandwidth throttle threshold (long)
4066         * @hide
4067         */
4068        public static final String THROTTLE_THRESHOLD_BYTES = "throttle_threshold_bytes";
4069
4070        /**
4071         * The bandwidth throttle value (kbps)
4072         * @hide
4073         */
4074        public static final String THROTTLE_VALUE_KBITSPS = "throttle_value_kbitsps";
4075
4076        /**
4077         * The bandwidth throttle reset calendar day (1-28)
4078         * @hide
4079         */
4080        public static final String THROTTLE_RESET_DAY = "throttle_reset_day";
4081
4082        /**
4083         * The throttling notifications we should send
4084         * @hide
4085         */
4086        public static final String THROTTLE_NOTIFICATION_TYPE = "throttle_notification_type";
4087
4088        /**
4089         * Help URI for data throttling policy
4090         * @hide
4091         */
4092        public static final String THROTTLE_HELP_URI = "throttle_help_uri";
4093
4094        /**
4095         * The length of time in Sec that we allow our notion of NTP time
4096         * to be cached before we refresh it
4097         * @hide
4098         */
4099        public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
4100                "throttle_max_ntp_cache_age_sec";
4101
4102        /**
4103         * The maximum size, in bytes, of a download that the download manager will transfer over
4104         * a non-wifi connection.
4105         * @hide
4106         */
4107        public static final String DOWNLOAD_MAX_BYTES_OVER_MOBILE =
4108                "download_manager_max_bytes_over_mobile";
4109
4110        /**
4111         * The recommended maximum size, in bytes, of a download that the download manager should
4112         * transfer over a non-wifi connection. Over this size, the use will be warned, but will
4113         * have the option to start the download over the mobile connection anyway.
4114         * @hide
4115         */
4116        public static final String DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE =
4117                "download_manager_recommended_max_bytes_over_mobile";
4118
4119        /**
4120         * ms during which to consume extra events related to Inet connection condition
4121         * after a transtion to fully-connected
4122         * @hide
4123         */
4124        public static final String INET_CONDITION_DEBOUNCE_UP_DELAY =
4125                "inet_condition_debounce_up_delay";
4126
4127        /**
4128         * ms during which to consume extra events related to Inet connection condtion
4129         * after a transtion to partly-connected
4130         * @hide
4131         */
4132        public static final String INET_CONDITION_DEBOUNCE_DOWN_DELAY =
4133                "inet_condition_debounce_down_delay";
4134
4135        /**
4136         * URL to open browser on to allow user to manage a prepay account
4137         * @hide
4138         */
4139        public static final String SETUP_PREPAID_DATA_SERVICE_URL =
4140                "setup_prepaid_data_service_url";
4141
4142        /**
4143         * URL to attempt a GET on to see if this is a prepay device
4144         * @hide
4145         */
4146        public static final String SETUP_PREPAID_DETECTION_TARGET_URL =
4147                "setup_prepaid_detection_target_url";
4148
4149        /**
4150         * Host to check for a redirect to after an attempt to GET
4151         * SETUP_PREPAID_DETECTION_TARGET_URL. (If we redirected there,
4152         * this is a prepaid device with zero balance.)
4153         * @hide
4154         */
4155        public static final String SETUP_PREPAID_DETECTION_REDIR_HOST =
4156                "setup_prepaid_detection_redir_host";
4157
4158        /**
4159         * Whether the screensaver is enabled.
4160         * @hide
4161         */
4162        public static final String SCREENSAVER_ENABLED = "screensaver_enabled";
4163
4164        /**
4165         * The user's chosen screensaver component.
4166         *
4167         * This component will be launched by the PhoneWindowManager after a timeout when not on
4168         * battery, or upon dock insertion (if SCREENSAVER_ACTIVATE_ON_DOCK is set to 1).
4169         * @hide
4170         */
4171        public static final String SCREENSAVER_COMPONENT = "screensaver_component";
4172
4173        /**
4174         * Whether the screensaver should be automatically launched when the device is inserted
4175         * into a (desk) dock.
4176         * @hide
4177         */
4178        public static final String SCREENSAVER_ACTIVATE_ON_DOCK = "screensaver_activate_on_dock";
4179
4180        /** {@hide} */
4181        public static final String NETSTATS_ENABLED = "netstats_enabled";
4182        /** {@hide} */
4183        public static final String NETSTATS_POLL_INTERVAL = "netstats_poll_interval";
4184        /** {@hide} */
4185        public static final String NETSTATS_TIME_CACHE_MAX_AGE = "netstats_time_cache_max_age";
4186        /** {@hide} */
4187        public static final String NETSTATS_GLOBAL_ALERT_BYTES = "netstats_global_alert_bytes";
4188        /** {@hide} */
4189        public static final String NETSTATS_SAMPLE_ENABLED = "netstats_sample_enabled";
4190
4191        /** {@hide} */
4192        public static final String NETSTATS_DEV_BUCKET_DURATION = "netstats_dev_bucket_duration";
4193        /** {@hide} */
4194        public static final String NETSTATS_DEV_PERSIST_BYTES = "netstats_dev_persist_bytes";
4195        /** {@hide} */
4196        public static final String NETSTATS_DEV_ROTATE_AGE = "netstats_dev_rotate_age";
4197        /** {@hide} */
4198        public static final String NETSTATS_DEV_DELETE_AGE = "netstats_dev_delete_age";
4199
4200        /** {@hide} */
4201        public static final String NETSTATS_UID_BUCKET_DURATION = "netstats_uid_bucket_duration";
4202        /** {@hide} */
4203        public static final String NETSTATS_UID_PERSIST_BYTES = "netstats_uid_persist_bytes";
4204        /** {@hide} */
4205        public static final String NETSTATS_UID_ROTATE_AGE = "netstats_uid_rotate_age";
4206        /** {@hide} */
4207        public static final String NETSTATS_UID_DELETE_AGE = "netstats_uid_delete_age";
4208
4209        /** {@hide} */
4210        public static final String NETSTATS_UID_TAG_BUCKET_DURATION = "netstats_uid_tag_bucket_duration";
4211        /** {@hide} */
4212        public static final String NETSTATS_UID_TAG_PERSIST_BYTES = "netstats_uid_tag_persist_bytes";
4213        /** {@hide} */
4214        public static final String NETSTATS_UID_TAG_ROTATE_AGE = "netstats_uid_tag_rotate_age";
4215        /** {@hide} */
4216        public static final String NETSTATS_UID_TAG_DELETE_AGE = "netstats_uid_tag_delete_age";
4217
4218        /** Preferred NTP server. {@hide} */
4219        public static final String NTP_SERVER = "ntp_server";
4220        /** Timeout in milliseconds to wait for NTP server. {@hide} */
4221        public static final String NTP_TIMEOUT = "ntp_timeout";
4222
4223        /** Autofill server address (Used in WebView/browser). {@hide} */
4224        public static final String WEB_AUTOFILL_QUERY_URL =
4225            "web_autofill_query_url";
4226
4227        /** Whether package verification is enabled. {@hide} */
4228        public static final String PACKAGE_VERIFIER_ENABLE = "verifier_enable";
4229
4230        /** Timeout for package verification. {@hide} */
4231        public static final String PACKAGE_VERIFIER_TIMEOUT = "verifier_timeout";
4232
4233        /**
4234         * Duration in milliseconds before pre-authorized URIs for the contacts
4235         * provider should expire.
4236         * @hide
4237         */
4238        public static final String CONTACTS_PREAUTH_URI_EXPIRATION =
4239                "contacts_preauth_uri_expiration";
4240
4241        /**
4242         * This are the settings to be backed up.
4243         *
4244         * NOTE: Settings are backed up and restored in the order they appear
4245         *       in this array. If you have one setting depending on another,
4246         *       make sure that they are ordered appropriately.
4247         *
4248         * @hide
4249         */
4250        public static final String[] SETTINGS_TO_BACKUP = {
4251            ADB_ENABLED,
4252            ALLOW_MOCK_LOCATION,
4253            PARENTAL_CONTROL_ENABLED,
4254            PARENTAL_CONTROL_REDIRECT_URL,
4255            USB_MASS_STORAGE_ENABLED,
4256            ACCESSIBILITY_SCRIPT_INJECTION,
4257            BACKUP_AUTO_RESTORE,
4258            ENABLED_ACCESSIBILITY_SERVICES,
4259            TOUCH_EXPLORATION_ENABLED,
4260            ACCESSIBILITY_ENABLED,
4261            ACCESSIBILITY_SPEAK_PASSWORD,
4262            TTS_USE_DEFAULTS,
4263            TTS_DEFAULT_RATE,
4264            TTS_DEFAULT_PITCH,
4265            TTS_DEFAULT_SYNTH,
4266            TTS_DEFAULT_LANG,
4267            TTS_DEFAULT_COUNTRY,
4268            TTS_ENABLED_PLUGINS,
4269            TTS_DEFAULT_LOCALE,
4270            WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
4271            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
4272            WIFI_NUM_OPEN_NETWORKS_KEPT,
4273            MOUNT_PLAY_NOTIFICATION_SND,
4274            MOUNT_UMS_AUTOSTART,
4275            MOUNT_UMS_PROMPT,
4276            MOUNT_UMS_NOTIFY_ENABLED,
4277            UI_NIGHT_MODE,
4278            LOCK_SCREEN_OWNER_INFO,
4279            LOCK_SCREEN_OWNER_INFO_ENABLED
4280        };
4281
4282        /**
4283         * Helper method for determining if a location provider is enabled.
4284         * @param cr the content resolver to use
4285         * @param provider the location provider to query
4286         * @return true if the provider is enabled
4287         */
4288        public static final boolean isLocationProviderEnabled(ContentResolver cr, String provider) {
4289            String allowedProviders = Settings.Secure.getString(cr, LOCATION_PROVIDERS_ALLOWED);
4290            return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
4291        }
4292
4293        /**
4294         * Thread-safe method for enabling or disabling a single location provider.
4295         * @param cr the content resolver to use
4296         * @param provider the location provider to enable or disable
4297         * @param enabled true if the provider should be enabled
4298         */
4299        public static final void setLocationProviderEnabled(ContentResolver cr,
4300                String provider, boolean enabled) {
4301            // to ensure thread safety, we write the provider name with a '+' or '-'
4302            // and let the SettingsProvider handle it rather than reading and modifying
4303            // the list of enabled providers.
4304            if (enabled) {
4305                provider = "+" + provider;
4306            } else {
4307                provider = "-" + provider;
4308            }
4309            putString(cr, Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider);
4310        }
4311    }
4312
4313    /**
4314     * User-defined bookmarks and shortcuts.  The target of each bookmark is an
4315     * Intent URL, allowing it to be either a web page or a particular
4316     * application activity.
4317     *
4318     * @hide
4319     */
4320    public static final class Bookmarks implements BaseColumns
4321    {
4322        private static final String TAG = "Bookmarks";
4323
4324        /**
4325         * The content:// style URL for this table
4326         */
4327        public static final Uri CONTENT_URI =
4328            Uri.parse("content://" + AUTHORITY + "/bookmarks");
4329
4330        /**
4331         * The row ID.
4332         * <p>Type: INTEGER</p>
4333         */
4334        public static final String ID = "_id";
4335
4336        /**
4337         * Descriptive name of the bookmark that can be displayed to the user.
4338         * If this is empty, the title should be resolved at display time (use
4339         * {@link #getTitle(Context, Cursor)} any time you want to display the
4340         * title of a bookmark.)
4341         * <P>
4342         * Type: TEXT
4343         * </P>
4344         */
4345        public static final String TITLE = "title";
4346
4347        /**
4348         * Arbitrary string (displayed to the user) that allows bookmarks to be
4349         * organized into categories.  There are some special names for
4350         * standard folders, which all start with '@'.  The label displayed for
4351         * the folder changes with the locale (via {@link #getLabelForFolder}) but
4352         * the folder name does not change so you can consistently query for
4353         * the folder regardless of the current locale.
4354         *
4355         * <P>Type: TEXT</P>
4356         *
4357         */
4358        public static final String FOLDER = "folder";
4359
4360        /**
4361         * The Intent URL of the bookmark, describing what it points to.  This
4362         * value is given to {@link android.content.Intent#getIntent} to create
4363         * an Intent that can be launched.
4364         * <P>Type: TEXT</P>
4365         */
4366        public static final String INTENT = "intent";
4367
4368        /**
4369         * Optional shortcut character associated with this bookmark.
4370         * <P>Type: INTEGER</P>
4371         */
4372        public static final String SHORTCUT = "shortcut";
4373
4374        /**
4375         * The order in which the bookmark should be displayed
4376         * <P>Type: INTEGER</P>
4377         */
4378        public static final String ORDERING = "ordering";
4379
4380        private static final String[] sIntentProjection = { INTENT };
4381        private static final String[] sShortcutProjection = { ID, SHORTCUT };
4382        private static final String sShortcutSelection = SHORTCUT + "=?";
4383
4384        /**
4385         * Convenience function to retrieve the bookmarked Intent for a
4386         * particular shortcut key.
4387         *
4388         * @param cr The ContentResolver to query.
4389         * @param shortcut The shortcut key.
4390         *
4391         * @return Intent The bookmarked URL, or null if there is no bookmark
4392         *         matching the given shortcut.
4393         */
4394        public static Intent getIntentForShortcut(ContentResolver cr, char shortcut)
4395        {
4396            Intent intent = null;
4397
4398            Cursor c = cr.query(CONTENT_URI,
4399                    sIntentProjection, sShortcutSelection,
4400                    new String[] { String.valueOf((int) shortcut) }, ORDERING);
4401            // Keep trying until we find a valid shortcut
4402            try {
4403                while (intent == null && c.moveToNext()) {
4404                    try {
4405                        String intentURI = c.getString(c.getColumnIndexOrThrow(INTENT));
4406                        intent = Intent.parseUri(intentURI, 0);
4407                    } catch (java.net.URISyntaxException e) {
4408                        // The stored URL is bad...  ignore it.
4409                    } catch (IllegalArgumentException e) {
4410                        // Column not found
4411                        Log.w(TAG, "Intent column not found", e);
4412                    }
4413                }
4414            } finally {
4415                if (c != null) c.close();
4416            }
4417
4418            return intent;
4419        }
4420
4421        /**
4422         * Add a new bookmark to the system.
4423         *
4424         * @param cr The ContentResolver to query.
4425         * @param intent The desired target of the bookmark.
4426         * @param title Bookmark title that is shown to the user; null if none
4427         *            or it should be resolved to the intent's title.
4428         * @param folder Folder in which to place the bookmark; null if none.
4429         * @param shortcut Shortcut that will invoke the bookmark; 0 if none. If
4430         *            this is non-zero and there is an existing bookmark entry
4431         *            with this same shortcut, then that existing shortcut is
4432         *            cleared (the bookmark is not removed).
4433         * @return The unique content URL for the new bookmark entry.
4434         */
4435        public static Uri add(ContentResolver cr,
4436                                           Intent intent,
4437                                           String title,
4438                                           String folder,
4439                                           char shortcut,
4440                                           int ordering)
4441        {
4442            // If a shortcut is supplied, and it is already defined for
4443            // another bookmark, then remove the old definition.
4444            if (shortcut != 0) {
4445                cr.delete(CONTENT_URI, sShortcutSelection,
4446                        new String[] { String.valueOf((int) shortcut) });
4447            }
4448
4449            ContentValues values = new ContentValues();
4450            if (title != null) values.put(TITLE, title);
4451            if (folder != null) values.put(FOLDER, folder);
4452            values.put(INTENT, intent.toUri(0));
4453            if (shortcut != 0) values.put(SHORTCUT, (int) shortcut);
4454            values.put(ORDERING, ordering);
4455            return cr.insert(CONTENT_URI, values);
4456        }
4457
4458        /**
4459         * Return the folder name as it should be displayed to the user.  This
4460         * takes care of localizing special folders.
4461         *
4462         * @param r Resources object for current locale; only need access to
4463         *          system resources.
4464         * @param folder The value found in the {@link #FOLDER} column.
4465         *
4466         * @return CharSequence The label for this folder that should be shown
4467         *         to the user.
4468         */
4469        public static CharSequence getLabelForFolder(Resources r, String folder) {
4470            return folder;
4471        }
4472
4473        /**
4474         * Return the title as it should be displayed to the user. This takes
4475         * care of localizing bookmarks that point to activities.
4476         *
4477         * @param context A context.
4478         * @param cursor A cursor pointing to the row whose title should be
4479         *        returned. The cursor must contain at least the {@link #TITLE}
4480         *        and {@link #INTENT} columns.
4481         * @return A title that is localized and can be displayed to the user,
4482         *         or the empty string if one could not be found.
4483         */
4484        public static CharSequence getTitle(Context context, Cursor cursor) {
4485            int titleColumn = cursor.getColumnIndex(TITLE);
4486            int intentColumn = cursor.getColumnIndex(INTENT);
4487            if (titleColumn == -1 || intentColumn == -1) {
4488                throw new IllegalArgumentException(
4489                        "The cursor must contain the TITLE and INTENT columns.");
4490            }
4491
4492            String title = cursor.getString(titleColumn);
4493            if (!TextUtils.isEmpty(title)) {
4494                return title;
4495            }
4496
4497            String intentUri = cursor.getString(intentColumn);
4498            if (TextUtils.isEmpty(intentUri)) {
4499                return "";
4500            }
4501
4502            Intent intent;
4503            try {
4504                intent = Intent.parseUri(intentUri, 0);
4505            } catch (URISyntaxException e) {
4506                return "";
4507            }
4508
4509            PackageManager packageManager = context.getPackageManager();
4510            ResolveInfo info = packageManager.resolveActivity(intent, 0);
4511            return info != null ? info.loadLabel(packageManager) : "";
4512        }
4513    }
4514
4515    /**
4516     * Returns the device ID that we should use when connecting to the mobile gtalk server.
4517     * This is a string like "android-0x1242", where the hex string is the Android ID obtained
4518     * from the GoogleLoginService.
4519     *
4520     * @param androidId The Android ID for this device.
4521     * @return The device ID that should be used when connecting to the mobile gtalk server.
4522     * @hide
4523     */
4524    public static String getGTalkDeviceId(long androidId) {
4525        return "android-" + Long.toHexString(androidId);
4526    }
4527}
4528